Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1 | #include "Python.h" |
| 2 | #include "cStringIO.h" |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 3 | #include "structmember.h" |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 5 | PyDoc_STRVAR(cPickle_module_documentation, |
Tim Peters | 64c04d1 | 2003-02-01 06:27:59 +0000 | [diff] [blame] | 6 | "C implementation and optimization of the Python pickle module."); |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 7 | |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 8 | #ifndef Py_eval_input |
| 9 | #include <graminit.h> |
| 10 | #define Py_eval_input eval_input |
Guido van Rossum | c6ef204 | 1997-08-21 02:30:45 +0000 | [diff] [blame] | 11 | #endif /* Py_eval_input */ |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 12 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 13 | #define DEL_LIST_SLICE(list, from, to) (PyList_SetSlice(list, from, to, NULL)) |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 14 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 15 | #define WRITE_BUF_SIZE 256 |
| 16 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 17 | /* Bump this when new opcodes are added to the pickle protocol. */ |
Tim Peters | 8587b3c | 2003-02-13 15:44:41 +0000 | [diff] [blame] | 18 | #define HIGHEST_PROTOCOL 2 |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 19 | |
Tim Peters | 797ec24 | 2003-02-01 06:22:36 +0000 | [diff] [blame] | 20 | /* |
Martin v. Löwis | 9ac4927 | 2009-01-02 20:40:14 +0000 | [diff] [blame] | 21 | * Note: The UNICODE macro controls the TCHAR meaning of the win32 API. Since |
| 22 | * all headers have already been included here, we can safely redefine it. |
| 23 | */ |
| 24 | #ifdef UNICODE |
| 25 | # undef UNICODE |
| 26 | #endif |
| 27 | |
| 28 | /* |
Tim Peters | 797ec24 | 2003-02-01 06:22:36 +0000 | [diff] [blame] | 29 | * Pickle opcodes. These must be kept in synch with pickle.py. Extensive |
| 30 | * docs are in pickletools.py. |
| 31 | */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 32 | #define MARK '(' |
| 33 | #define STOP '.' |
| 34 | #define POP '0' |
| 35 | #define POP_MARK '1' |
| 36 | #define DUP '2' |
| 37 | #define FLOAT 'F' |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 38 | #define BINFLOAT 'G' |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 39 | #define INT 'I' |
| 40 | #define BININT 'J' |
| 41 | #define BININT1 'K' |
| 42 | #define LONG 'L' |
| 43 | #define BININT2 'M' |
| 44 | #define NONE 'N' |
| 45 | #define PERSID 'P' |
| 46 | #define BINPERSID 'Q' |
| 47 | #define REDUCE 'R' |
| 48 | #define STRING 'S' |
| 49 | #define BINSTRING 'T' |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 50 | #define SHORT_BINSTRING 'U' |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 51 | #define UNICODE 'V' |
| 52 | #define BINUNICODE 'X' |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 53 | #define APPEND 'a' |
| 54 | #define BUILD 'b' |
| 55 | #define GLOBAL 'c' |
| 56 | #define DICT 'd' |
| 57 | #define EMPTY_DICT '}' |
| 58 | #define APPENDS 'e' |
| 59 | #define GET 'g' |
| 60 | #define BINGET 'h' |
| 61 | #define INST 'i' |
| 62 | #define LONG_BINGET 'j' |
| 63 | #define LIST 'l' |
| 64 | #define EMPTY_LIST ']' |
| 65 | #define OBJ 'o' |
| 66 | #define PUT 'p' |
| 67 | #define BINPUT 'q' |
| 68 | #define LONG_BINPUT 'r' |
| 69 | #define SETITEM 's' |
| 70 | #define TUPLE 't' |
| 71 | #define EMPTY_TUPLE ')' |
| 72 | #define SETITEMS 'u' |
Tim Peters | 797ec24 | 2003-02-01 06:22:36 +0000 | [diff] [blame] | 73 | |
| 74 | /* Protocol 2. */ |
| 75 | #define PROTO '\x80' /* identify pickle protocol */ |
| 76 | #define NEWOBJ '\x81' /* build object by applying cls.__new__ to argtuple */ |
| 77 | #define EXT1 '\x82' /* push object from extension registry; 1-byte index */ |
| 78 | #define EXT2 '\x83' /* ditto, but 2-byte index */ |
| 79 | #define EXT4 '\x84' /* ditto, but 4-byte index */ |
| 80 | #define TUPLE1 '\x85' /* build 1-tuple from stack top */ |
| 81 | #define TUPLE2 '\x86' /* build 2-tuple from two topmost stack items */ |
| 82 | #define TUPLE3 '\x87' /* build 3-tuple from three topmost stack items */ |
| 83 | #define NEWTRUE '\x88' /* push True */ |
| 84 | #define NEWFALSE '\x89' /* push False */ |
| 85 | #define LONG1 '\x8a' /* push long from < 256 bytes */ |
| 86 | #define LONG4 '\x8b' /* push really big long */ |
| 87 | |
| 88 | /* There aren't opcodes -- they're ways to pickle bools before protocol 2, |
| 89 | * so that unpicklers written before bools were introduced unpickle them |
| 90 | * as ints, but unpicklers after can recognize that bools were intended. |
| 91 | * Note that protocol 2 added direct ways to pickle bools. |
| 92 | */ |
Jack Jansen | 3a96702 | 2002-06-26 20:40:42 +0000 | [diff] [blame] | 93 | #undef TRUE |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 94 | #define TRUE "I01\n" |
Jack Jansen | 3a96702 | 2002-06-26 20:40:42 +0000 | [diff] [blame] | 95 | #undef FALSE |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 96 | #define FALSE "I00\n" |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 97 | |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame] | 98 | /* Keep in synch with pickle.Pickler._BATCHSIZE. This is how many elements |
Tim Peters | 42f08ac | 2003-02-11 22:43:24 +0000 | [diff] [blame] | 99 | * batch_list/dict() pumps out before doing APPENDS/SETITEMS. Nothing will |
| 100 | * break if this gets out of synch with pickle.py, but it's unclear that |
| 101 | * would help anything either. |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame] | 102 | */ |
| 103 | #define BATCHSIZE 1000 |
| 104 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 105 | static char MARKv = MARK; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 106 | |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 107 | static PyObject *PickleError; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 108 | static PyObject *PicklingError; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 109 | static PyObject *UnpickleableError; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 110 | static PyObject *UnpicklingError; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 111 | static PyObject *BadPickleGet; |
| 112 | |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 113 | /* As the name says, an empty tuple. */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 114 | static PyObject *empty_tuple; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 115 | |
Georg Brandl | dffbf5f | 2008-05-20 07:49:57 +0000 | [diff] [blame] | 116 | /* copy_reg.dispatch_table, {type_object: pickling_function} */ |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 117 | static PyObject *dispatch_table; |
| 118 | |
| 119 | /* For EXT[124] opcodes. */ |
Georg Brandl | dffbf5f | 2008-05-20 07:49:57 +0000 | [diff] [blame] | 120 | /* copy_reg._extension_registry, {(module_name, function_name): code} */ |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 121 | static PyObject *extension_registry; |
Georg Brandl | dffbf5f | 2008-05-20 07:49:57 +0000 | [diff] [blame] | 122 | /* copy_reg._inverted_registry, {code: (module_name, function_name)} */ |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 123 | static PyObject *inverted_registry; |
Georg Brandl | dffbf5f | 2008-05-20 07:49:57 +0000 | [diff] [blame] | 124 | /* copy_reg._extension_cache, {code: object} */ |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 125 | static PyObject *extension_cache; |
| 126 | |
Georg Brandl | dffbf5f | 2008-05-20 07:49:57 +0000 | [diff] [blame] | 127 | /* For looking up name pairs in copy_reg._extension_registry. */ |
Tim Peters | 731098b | 2003-02-04 20:56:09 +0000 | [diff] [blame] | 128 | static PyObject *two_tuple; |
| 129 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 130 | static PyObject *__class___str, *__getinitargs___str, *__dict___str, |
| 131 | *__getstate___str, *__setstate___str, *__name___str, *__reduce___str, |
Guido van Rossum | b289b87 | 2003-02-19 01:45:13 +0000 | [diff] [blame] | 132 | *__reduce_ex___str, |
Tim Peters | 1f1b2d2 | 2003-02-01 02:16:37 +0000 | [diff] [blame] | 133 | *write_str, *append_str, |
Neal Norwitz | b183a25 | 2006-04-10 01:03:32 +0000 | [diff] [blame] | 134 | *read_str, *readline_str, *__main___str, |
Alexandre Vassalotti | 9510e4a | 2008-05-11 08:25:28 +0000 | [diff] [blame] | 135 | *copyreg_str, *dispatch_table_str; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 136 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 137 | /************************************************************************* |
| 138 | Internal Data type for pickle data. */ |
| 139 | |
| 140 | typedef struct { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 141 | PyObject_HEAD |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 142 | int length; /* number of initial slots in data currently used */ |
| 143 | int size; /* number of slots in data allocated */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 144 | PyObject **data; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 145 | } Pdata; |
| 146 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 147 | static void |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 148 | Pdata_dealloc(Pdata *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 149 | { |
| 150 | int i; |
| 151 | PyObject **p; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 152 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 153 | for (i = self->length, p = self->data; --i >= 0; p++) { |
| 154 | Py_DECREF(*p); |
| 155 | } |
| 156 | if (self->data) |
| 157 | free(self->data); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 158 | PyObject_Del(self); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 159 | } |
| 160 | |
| 161 | static PyTypeObject PdataType = { |
Martin v. Löwis | 6819210 | 2007-07-21 06:55:02 +0000 | [diff] [blame] | 162 | PyVarObject_HEAD_INIT(NULL, 0) "cPickle.Pdata", sizeof(Pdata), 0, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 163 | (destructor)Pdata_dealloc, |
| 164 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0L,0L,0L,0L, "" |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 165 | }; |
| 166 | |
Christian Heimes | e93237d | 2007-12-19 02:37:44 +0000 | [diff] [blame] | 167 | #define Pdata_Check(O) (Py_TYPE(O) == &PdataType) |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 168 | |
| 169 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 170 | Pdata_New(void) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 171 | { |
| 172 | Pdata *self; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 173 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 174 | if (!(self = PyObject_New(Pdata, &PdataType))) |
| 175 | return NULL; |
| 176 | self->size = 8; |
| 177 | self->length = 0; |
| 178 | self->data = malloc(self->size * sizeof(PyObject*)); |
| 179 | if (self->data) |
| 180 | return (PyObject*)self; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 181 | Py_DECREF(self); |
| 182 | return PyErr_NoMemory(); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 183 | } |
| 184 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 185 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 186 | stackUnderflow(void) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 187 | { |
| 188 | PyErr_SetString(UnpicklingError, "unpickling stack underflow"); |
| 189 | return -1; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 190 | } |
| 191 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 192 | /* Retain only the initial clearto items. If clearto >= the current |
| 193 | * number of items, this is a (non-erroneous) NOP. |
| 194 | */ |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 195 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 196 | Pdata_clear(Pdata *self, int clearto) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 197 | { |
| 198 | int i; |
| 199 | PyObject **p; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 200 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 201 | if (clearto < 0) return stackUnderflow(); |
| 202 | if (clearto >= self->length) return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 203 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 204 | for (i = self->length, p = self->data + clearto; |
| 205 | --i >= clearto; |
| 206 | p++) { |
Neal Norwitz | b59d08c | 2006-07-22 16:20:49 +0000 | [diff] [blame] | 207 | Py_CLEAR(*p); |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 208 | } |
| 209 | self->length = clearto; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 210 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 211 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 212 | } |
| 213 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 214 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 215 | Pdata_grow(Pdata *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 216 | { |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 217 | int bigger; |
| 218 | size_t nbytes; |
Neal Norwitz | b59d08c | 2006-07-22 16:20:49 +0000 | [diff] [blame] | 219 | PyObject **tmp; |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 220 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 221 | bigger = self->size << 1; |
Tim Peters | e0a3907 | 2003-02-03 15:45:56 +0000 | [diff] [blame] | 222 | if (bigger <= 0) /* was 0, or new value overflows */ |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 223 | goto nomemory; |
| 224 | if ((int)(size_t)bigger != bigger) |
| 225 | goto nomemory; |
| 226 | nbytes = (size_t)bigger * sizeof(PyObject *); |
| 227 | if (nbytes / sizeof(PyObject *) != (size_t)bigger) |
| 228 | goto nomemory; |
Neal Norwitz | b59d08c | 2006-07-22 16:20:49 +0000 | [diff] [blame] | 229 | tmp = realloc(self->data, nbytes); |
| 230 | if (tmp == NULL) |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 231 | goto nomemory; |
Neal Norwitz | b59d08c | 2006-07-22 16:20:49 +0000 | [diff] [blame] | 232 | self->data = tmp; |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 233 | self->size = bigger; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 234 | return 0; |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 235 | |
| 236 | nomemory: |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 237 | PyErr_NoMemory(); |
| 238 | return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 239 | } |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 240 | |
Tim Peters | e0a3907 | 2003-02-03 15:45:56 +0000 | [diff] [blame] | 241 | /* D is a Pdata*. Pop the topmost element and store it into V, which |
| 242 | * must be an lvalue holding PyObject*. On stack underflow, UnpicklingError |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 243 | * is raised and V is set to NULL. D and V may be evaluated several times. |
| 244 | */ |
| 245 | #define PDATA_POP(D, V) { \ |
Tim Peters | e0a3907 | 2003-02-03 15:45:56 +0000 | [diff] [blame] | 246 | if ((D)->length) \ |
| 247 | (V) = (D)->data[--((D)->length)]; \ |
| 248 | else { \ |
| 249 | PyErr_SetString(UnpicklingError, "bad pickle data"); \ |
| 250 | (V) = NULL; \ |
| 251 | } \ |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 252 | } |
| 253 | |
Tim Peters | e0a3907 | 2003-02-03 15:45:56 +0000 | [diff] [blame] | 254 | /* PDATA_PUSH and PDATA_APPEND both push rvalue PyObject* O on to Pdata* |
| 255 | * D. If the Pdata stack can't be grown to hold the new value, both |
| 256 | * raise MemoryError and execute "return ER". The difference is in ownership |
| 257 | * of O after: _PUSH transfers ownership of O from the caller to the stack |
| 258 | * (no incref of O is done, and in case of error O is decrefed), while |
| 259 | * _APPEND pushes a new reference. |
| 260 | */ |
| 261 | |
| 262 | /* Push O on stack D, giving ownership of O to the stack. */ |
| 263 | #define PDATA_PUSH(D, O, ER) { \ |
| 264 | if (((Pdata*)(D))->length == ((Pdata*)(D))->size && \ |
| 265 | Pdata_grow((Pdata*)(D)) < 0) { \ |
| 266 | Py_DECREF(O); \ |
| 267 | return ER; \ |
| 268 | } \ |
| 269 | ((Pdata*)(D))->data[((Pdata*)(D))->length++] = (O); \ |
| 270 | } |
| 271 | |
| 272 | /* Push O on stack D, pushing a new reference. */ |
| 273 | #define PDATA_APPEND(D, O, ER) { \ |
| 274 | if (((Pdata*)(D))->length == ((Pdata*)(D))->size && \ |
| 275 | Pdata_grow((Pdata*)(D)) < 0) \ |
| 276 | return ER; \ |
| 277 | Py_INCREF(O); \ |
| 278 | ((Pdata*)(D))->data[((Pdata*)(D))->length++] = (O); \ |
| 279 | } |
| 280 | |
| 281 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 282 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 283 | Pdata_popTuple(Pdata *self, int start) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 284 | { |
| 285 | PyObject *r; |
| 286 | int i, j, l; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 287 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 288 | l = self->length-start; |
| 289 | r = PyTuple_New(l); |
| 290 | if (r == NULL) |
| 291 | return NULL; |
| 292 | for (i = start, j = 0 ; j < l; i++, j++) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 293 | PyTuple_SET_ITEM(r, j, self->data[i]); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 294 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 295 | self->length = start; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 296 | return r; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 297 | } |
| 298 | |
| 299 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 300 | Pdata_popList(Pdata *self, int start) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 301 | { |
| 302 | PyObject *r; |
| 303 | int i, j, l; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 304 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 305 | l=self->length-start; |
| 306 | if (!( r=PyList_New(l))) return NULL; |
| 307 | for (i=start, j=0 ; j < l; i++, j++) |
| 308 | PyList_SET_ITEM(r, j, self->data[i]); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 309 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 310 | self->length=start; |
| 311 | return r; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 312 | } |
| 313 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 314 | /*************************************************************************/ |
| 315 | |
| 316 | #define ARG_TUP(self, o) { \ |
| 317 | if (self->arg || (self->arg=PyTuple_New(1))) { \ |
| 318 | Py_XDECREF(PyTuple_GET_ITEM(self->arg,0)); \ |
| 319 | PyTuple_SET_ITEM(self->arg,0,o); \ |
| 320 | } \ |
| 321 | else { \ |
| 322 | Py_DECREF(o); \ |
| 323 | } \ |
| 324 | } |
| 325 | |
| 326 | #define FREE_ARG_TUP(self) { \ |
Christian Heimes | e93237d | 2007-12-19 02:37:44 +0000 | [diff] [blame] | 327 | if (Py_REFCNT(self->arg) > 1) { \ |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 328 | Py_DECREF(self->arg); \ |
| 329 | self->arg=NULL; \ |
| 330 | } \ |
| 331 | } |
| 332 | |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 333 | typedef struct Picklerobject { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 334 | PyObject_HEAD |
| 335 | FILE *fp; |
| 336 | PyObject *write; |
| 337 | PyObject *file; |
| 338 | PyObject *memo; |
| 339 | PyObject *arg; |
| 340 | PyObject *pers_func; |
| 341 | PyObject *inst_pers_func; |
Tim Peters | 797ec24 | 2003-02-01 06:22:36 +0000 | [diff] [blame] | 342 | |
| 343 | /* pickle protocol number, >= 0 */ |
| 344 | int proto; |
| 345 | |
| 346 | /* bool, true if proto > 0 */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 347 | int bin; |
Tim Peters | 797ec24 | 2003-02-01 06:22:36 +0000 | [diff] [blame] | 348 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 349 | int fast; /* Fast mode doesn't save in memo, don't use if circ ref */ |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 350 | int (*write_func)(struct Picklerobject *, const char *, Py_ssize_t); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 351 | char *write_buf; |
| 352 | int buf_size; |
| 353 | PyObject *dispatch_table; |
| 354 | int fast_container; /* count nested container dumps */ |
| 355 | PyObject *fast_memo; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 356 | } Picklerobject; |
| 357 | |
Barry Warsaw | 52acb49 | 2001-12-21 20:04:22 +0000 | [diff] [blame] | 358 | #ifndef PY_CPICKLE_FAST_LIMIT |
| 359 | #define PY_CPICKLE_FAST_LIMIT 50 |
| 360 | #endif |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 361 | |
Jeremy Hylton | 938ace6 | 2002-07-17 16:30:39 +0000 | [diff] [blame] | 362 | static PyTypeObject Picklertype; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 363 | |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 364 | typedef struct Unpicklerobject { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 365 | PyObject_HEAD |
| 366 | FILE *fp; |
| 367 | PyObject *file; |
| 368 | PyObject *readline; |
| 369 | PyObject *read; |
| 370 | PyObject *memo; |
| 371 | PyObject *arg; |
| 372 | Pdata *stack; |
| 373 | PyObject *mark; |
| 374 | PyObject *pers_func; |
| 375 | PyObject *last_string; |
| 376 | int *marks; |
| 377 | int num_marks; |
| 378 | int marks_size; |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 379 | Py_ssize_t (*read_func)(struct Unpicklerobject *, char **, Py_ssize_t); |
| 380 | Py_ssize_t (*readline_func)(struct Unpicklerobject *, char **); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 381 | int buf_size; |
| 382 | char *buf; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 383 | PyObject *find_class; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 384 | } Unpicklerobject; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 385 | |
Jeremy Hylton | 938ace6 | 2002-07-17 16:30:39 +0000 | [diff] [blame] | 386 | static PyTypeObject Unpicklertype; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 387 | |
Thomas Wouters | 4789b3a | 2000-07-24 11:36:47 +0000 | [diff] [blame] | 388 | /* Forward decls that need the above structs */ |
| 389 | static int save(Picklerobject *, PyObject *, int); |
| 390 | static int put2(Picklerobject *, PyObject *); |
| 391 | |
Guido van Rossum | d385d59 | 1997-04-09 17:47:47 +0000 | [diff] [blame] | 392 | static |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 393 | PyObject * |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 394 | cPickle_ErrFormat(PyObject *ErrType, char *stringformat, char *format, ...) |
| 395 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 396 | va_list va; |
| 397 | PyObject *args=0, *retval=0; |
| 398 | va_start(va, format); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 399 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 400 | if (format) args = Py_VaBuildValue(format, va); |
| 401 | va_end(va); |
| 402 | if (format && ! args) return NULL; |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 403 | if (stringformat && !(retval=PyString_FromString(stringformat))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 404 | return NULL; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 405 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 406 | if (retval) { |
| 407 | if (args) { |
| 408 | PyObject *v; |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 409 | v=PyString_Format(retval, args); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 410 | Py_DECREF(retval); |
| 411 | Py_DECREF(args); |
| 412 | if (! v) return NULL; |
| 413 | retval=v; |
| 414 | } |
| 415 | } |
| 416 | else |
| 417 | if (args) retval=args; |
| 418 | else { |
| 419 | PyErr_SetObject(ErrType,Py_None); |
| 420 | return NULL; |
| 421 | } |
| 422 | PyErr_SetObject(ErrType,retval); |
| 423 | Py_DECREF(retval); |
| 424 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 425 | } |
| 426 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 427 | static int |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 428 | write_file(Picklerobject *self, const char *s, Py_ssize_t n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 429 | { |
| 430 | size_t nbyteswritten; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 431 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 432 | if (s == NULL) { |
| 433 | return 0; |
| 434 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 435 | |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 436 | if (n > INT_MAX) { |
| 437 | /* String too large */ |
| 438 | return -1; |
| 439 | } |
| 440 | |
Gregory P. Smith | c20adf8 | 2008-04-07 06:33:21 +0000 | [diff] [blame] | 441 | PyFile_IncUseCount((PyFileObject *)self->file); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 442 | Py_BEGIN_ALLOW_THREADS |
Jeremy Hylton | 7fa4bfa | 2002-07-18 20:58:57 +0000 | [diff] [blame] | 443 | nbyteswritten = fwrite(s, sizeof(char), n, self->fp); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 444 | Py_END_ALLOW_THREADS |
Gregory P. Smith | c20adf8 | 2008-04-07 06:33:21 +0000 | [diff] [blame] | 445 | PyFile_DecUseCount((PyFileObject *)self->file); |
Jeremy Hylton | 7fa4bfa | 2002-07-18 20:58:57 +0000 | [diff] [blame] | 446 | if (nbyteswritten != (size_t)n) { |
| 447 | PyErr_SetFromErrno(PyExc_IOError); |
| 448 | return -1; |
| 449 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 450 | |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 451 | return (int)n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 452 | } |
| 453 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 454 | static int |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 455 | write_cStringIO(Picklerobject *self, const char *s, Py_ssize_t n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 456 | { |
| 457 | if (s == NULL) { |
| 458 | return 0; |
| 459 | } |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 460 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 461 | if (PycStringIO->cwrite((PyObject *)self->file, s, n) != n) { |
| 462 | return -1; |
| 463 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 464 | |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 465 | return (int)n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 466 | } |
| 467 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 468 | static int |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 469 | write_none(Picklerobject *self, const char *s, Py_ssize_t n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 470 | { |
| 471 | if (s == NULL) return 0; |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 472 | if (n > INT_MAX) return -1; |
| 473 | return (int)n; |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 474 | } |
| 475 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 476 | static int |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 477 | write_other(Picklerobject *self, const char *s, Py_ssize_t _n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 478 | { |
| 479 | PyObject *py_str = 0, *junk = 0; |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 480 | int n; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 481 | |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 482 | if (_n > INT_MAX) |
| 483 | return -1; |
| 484 | n = (int)_n; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 485 | if (s == NULL) { |
| 486 | if (!( self->buf_size )) return 0; |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 487 | py_str = PyString_FromStringAndSize(self->write_buf, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 488 | self->buf_size); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 489 | if (!py_str) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 490 | return -1; |
| 491 | } |
| 492 | else { |
| 493 | if (self->buf_size && (n + self->buf_size) > WRITE_BUF_SIZE) { |
| 494 | if (write_other(self, NULL, 0) < 0) |
| 495 | return -1; |
| 496 | } |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 497 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 498 | if (n > WRITE_BUF_SIZE) { |
| 499 | if (!( py_str = |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 500 | PyString_FromStringAndSize(s, n))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 501 | return -1; |
| 502 | } |
| 503 | else { |
| 504 | memcpy(self->write_buf + self->buf_size, s, n); |
| 505 | self->buf_size += n; |
| 506 | return n; |
| 507 | } |
| 508 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 509 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 510 | if (self->write) { |
| 511 | /* object with write method */ |
| 512 | ARG_TUP(self, py_str); |
| 513 | if (self->arg) { |
| 514 | junk = PyObject_Call(self->write, self->arg, NULL); |
| 515 | FREE_ARG_TUP(self); |
| 516 | } |
| 517 | if (junk) Py_DECREF(junk); |
| 518 | else return -1; |
| 519 | } |
| 520 | else |
| 521 | PDATA_PUSH(self->file, py_str, -1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 522 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 523 | self->buf_size = 0; |
| 524 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 525 | } |
| 526 | |
| 527 | |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 528 | static Py_ssize_t |
| 529 | read_file(Unpicklerobject *self, char **s, Py_ssize_t n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 530 | { |
| 531 | size_t nbytesread; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 532 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 533 | if (self->buf_size == 0) { |
| 534 | int size; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 535 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 536 | size = ((n < 32) ? 32 : n); |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 537 | if (!( self->buf = (char *)malloc(size))) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 538 | PyErr_NoMemory(); |
| 539 | return -1; |
| 540 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 541 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 542 | self->buf_size = size; |
| 543 | } |
| 544 | else if (n > self->buf_size) { |
Kristján Valur Jónsson | 17b8e97 | 2007-04-25 00:10:50 +0000 | [diff] [blame] | 545 | char *newbuf = (char *)realloc(self->buf, n); |
| 546 | if (!newbuf) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 547 | PyErr_NoMemory(); |
| 548 | return -1; |
| 549 | } |
Kristján Valur Jónsson | 17b8e97 | 2007-04-25 00:10:50 +0000 | [diff] [blame] | 550 | self->buf = newbuf; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 551 | self->buf_size = n; |
| 552 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 553 | |
Gregory P. Smith | c20adf8 | 2008-04-07 06:33:21 +0000 | [diff] [blame] | 554 | PyFile_IncUseCount((PyFileObject *)self->file); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 555 | Py_BEGIN_ALLOW_THREADS |
| 556 | nbytesread = fread(self->buf, sizeof(char), n, self->fp); |
| 557 | Py_END_ALLOW_THREADS |
Gregory P. Smith | c20adf8 | 2008-04-07 06:33:21 +0000 | [diff] [blame] | 558 | PyFile_DecUseCount((PyFileObject *)self->file); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 559 | if (nbytesread != (size_t)n) { |
| 560 | if (feof(self->fp)) { |
| 561 | PyErr_SetNone(PyExc_EOFError); |
| 562 | return -1; |
| 563 | } |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 564 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 565 | PyErr_SetFromErrno(PyExc_IOError); |
| 566 | return -1; |
| 567 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 568 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 569 | *s = self->buf; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 570 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 571 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 572 | } |
| 573 | |
| 574 | |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 575 | static Py_ssize_t |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 576 | readline_file(Unpicklerobject *self, char **s) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 577 | { |
| 578 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 579 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 580 | if (self->buf_size == 0) { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 581 | if (!( self->buf = (char *)malloc(40))) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 582 | PyErr_NoMemory(); |
| 583 | return -1; |
| 584 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 585 | self->buf_size = 40; |
| 586 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 587 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 588 | i = 0; |
| 589 | while (1) { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 590 | int bigger; |
Kristján Valur Jónsson | 17b8e97 | 2007-04-25 00:10:50 +0000 | [diff] [blame] | 591 | char *newbuf; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 592 | for (; i < (self->buf_size - 1); i++) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 593 | if (feof(self->fp) || |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 594 | (self->buf[i] = getc(self->fp)) == '\n') { |
| 595 | self->buf[i + 1] = '\0'; |
| 596 | *s = self->buf; |
| 597 | return i + 1; |
| 598 | } |
| 599 | } |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 600 | bigger = self->buf_size << 1; |
| 601 | if (bigger <= 0) { /* overflow */ |
| 602 | PyErr_NoMemory(); |
| 603 | return -1; |
| 604 | } |
Kristján Valur Jónsson | 17b8e97 | 2007-04-25 00:10:50 +0000 | [diff] [blame] | 605 | newbuf = (char *)realloc(self->buf, bigger); |
| 606 | if (!newbuf) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 607 | PyErr_NoMemory(); |
| 608 | return -1; |
| 609 | } |
Kristján Valur Jónsson | 17b8e97 | 2007-04-25 00:10:50 +0000 | [diff] [blame] | 610 | self->buf = newbuf; |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 611 | self->buf_size = bigger; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 612 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 613 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 614 | |
| 615 | |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 616 | static Py_ssize_t |
| 617 | read_cStringIO(Unpicklerobject *self, char **s, Py_ssize_t n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 618 | { |
| 619 | char *ptr; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 620 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 621 | if (PycStringIO->cread((PyObject *)self->file, &ptr, n) != n) { |
| 622 | PyErr_SetNone(PyExc_EOFError); |
| 623 | return -1; |
| 624 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 625 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 626 | *s = ptr; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 627 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 628 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 629 | } |
| 630 | |
| 631 | |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 632 | static Py_ssize_t |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 633 | readline_cStringIO(Unpicklerobject *self, char **s) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 634 | { |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 635 | Py_ssize_t n; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 636 | char *ptr; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 637 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 638 | if ((n = PycStringIO->creadline((PyObject *)self->file, &ptr)) < 0) { |
| 639 | return -1; |
| 640 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 641 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 642 | *s = ptr; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 643 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 644 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 645 | } |
| 646 | |
| 647 | |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 648 | static Py_ssize_t |
| 649 | read_other(Unpicklerobject *self, char **s, Py_ssize_t n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 650 | { |
| 651 | PyObject *bytes, *str=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 652 | |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 653 | if (!( bytes = PyInt_FromSsize_t(n))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 654 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 655 | ARG_TUP(self, bytes); |
| 656 | if (self->arg) { |
| 657 | str = PyObject_Call(self->read, self->arg, NULL); |
| 658 | FREE_ARG_TUP(self); |
| 659 | } |
| 660 | if (! str) return -1; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 661 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 662 | Py_XDECREF(self->last_string); |
| 663 | self->last_string = str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 664 | |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 665 | if (! (*s = PyString_AsString(str))) return -1; |
Amaury Forgeot d'Arc | 74b3016 | 2009-07-23 19:26:02 +0000 | [diff] [blame] | 666 | |
| 667 | if (PyString_GET_SIZE(str) != n) { |
| 668 | PyErr_SetNone(PyExc_EOFError); |
| 669 | return -1; |
| 670 | } |
| 671 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 672 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 673 | } |
| 674 | |
| 675 | |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 676 | static Py_ssize_t |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 677 | readline_other(Unpicklerobject *self, char **s) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 678 | { |
| 679 | PyObject *str; |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 680 | Py_ssize_t str_size; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 681 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 682 | if (!( str = PyObject_CallObject(self->readline, empty_tuple))) { |
| 683 | return -1; |
| 684 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 685 | |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 686 | if ((str_size = PyString_Size(str)) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 687 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 688 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 689 | Py_XDECREF(self->last_string); |
| 690 | self->last_string = str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 691 | |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 692 | if (! (*s = PyString_AsString(str))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 693 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 694 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 695 | return str_size; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 696 | } |
| 697 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 698 | /* Copy the first n bytes from s into newly malloc'ed memory, plus a |
| 699 | * trailing 0 byte. Return a pointer to that, or NULL if out of memory. |
| 700 | * The caller is responsible for free()'ing the return value. |
| 701 | */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 702 | static char * |
Jeremy Hylton | af68c87 | 2005-12-10 18:50:16 +0000 | [diff] [blame] | 703 | pystrndup(const char *s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 704 | { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 705 | char *r = (char *)malloc(n+1); |
| 706 | if (r == NULL) |
| 707 | return (char*)PyErr_NoMemory(); |
| 708 | memcpy(r, s, n); |
| 709 | r[n] = 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 710 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 711 | } |
| 712 | |
| 713 | |
| 714 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 715 | get(Picklerobject *self, PyObject *id) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 716 | { |
| 717 | PyObject *value, *mv; |
| 718 | long c_value; |
| 719 | char s[30]; |
| 720 | size_t len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 721 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 722 | if (!( mv = PyDict_GetItem(self->memo, id))) { |
| 723 | PyErr_SetObject(PyExc_KeyError, id); |
| 724 | return -1; |
| 725 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 726 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 727 | if (!( value = PyTuple_GetItem(mv, 0))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 728 | return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 729 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 730 | if (!( PyInt_Check(value))) { |
| 731 | PyErr_SetString(PicklingError, "no int where int expected in memo"); |
| 732 | return -1; |
| 733 | } |
| 734 | c_value = PyInt_AS_LONG((PyIntObject*)value); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 735 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 736 | if (!self->bin) { |
| 737 | s[0] = GET; |
| 738 | PyOS_snprintf(s + 1, sizeof(s) - 1, "%ld\n", c_value); |
| 739 | len = strlen(s); |
| 740 | } |
| 741 | else if (Pdata_Check(self->file)) { |
| 742 | if (write_other(self, NULL, 0) < 0) return -1; |
| 743 | PDATA_APPEND(self->file, mv, -1); |
| 744 | return 0; |
| 745 | } |
| 746 | else { |
| 747 | if (c_value < 256) { |
| 748 | s[0] = BINGET; |
| 749 | s[1] = (int)(c_value & 0xff); |
| 750 | len = 2; |
| 751 | } |
| 752 | else { |
| 753 | s[0] = LONG_BINGET; |
| 754 | s[1] = (int)(c_value & 0xff); |
| 755 | s[2] = (int)((c_value >> 8) & 0xff); |
| 756 | s[3] = (int)((c_value >> 16) & 0xff); |
| 757 | s[4] = (int)((c_value >> 24) & 0xff); |
| 758 | len = 5; |
| 759 | } |
| 760 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 761 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 762 | if (self->write_func(self, s, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 763 | return -1; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 764 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 765 | return 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 766 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 767 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 768 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 769 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 770 | put(Picklerobject *self, PyObject *ob) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 771 | { |
Christian Heimes | e93237d | 2007-12-19 02:37:44 +0000 | [diff] [blame] | 772 | if (Py_REFCNT(ob) < 2 || self->fast) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 773 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 774 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 775 | return put2(self, ob); |
| 776 | } |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 777 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 778 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 779 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 780 | put2(Picklerobject *self, PyObject *ob) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 781 | { |
| 782 | char c_str[30]; |
| 783 | int p; |
| 784 | size_t len; |
| 785 | int res = -1; |
| 786 | PyObject *py_ob_id = 0, *memo_len = 0, *t = 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 787 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 788 | if (self->fast) |
| 789 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 790 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 791 | if ((p = PyDict_Size(self->memo)) < 0) |
| 792 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 793 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 794 | /* Make sure memo keys are positive! */ |
Tim Peters | 70b02d7 | 2003-02-02 17:26:40 +0000 | [diff] [blame] | 795 | /* XXX Why? |
| 796 | * XXX And does "positive" really mean non-negative? |
| 797 | * XXX pickle.py starts with PUT index 0, not 1. This makes for |
| 798 | * XXX gratuitous differences between the pickling modules. |
| 799 | */ |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 800 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 801 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 802 | if (!( py_ob_id = PyLong_FromVoidPtr(ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 803 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 804 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 805 | if (!( memo_len = PyInt_FromLong(p))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 806 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 807 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 808 | if (!( t = PyTuple_New(2))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 809 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 810 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 811 | PyTuple_SET_ITEM(t, 0, memo_len); |
| 812 | Py_INCREF(memo_len); |
| 813 | PyTuple_SET_ITEM(t, 1, ob); |
| 814 | Py_INCREF(ob); |
| 815 | |
| 816 | if (PyDict_SetItem(self->memo, py_ob_id, t) < 0) |
| 817 | goto finally; |
| 818 | |
| 819 | if (!self->bin) { |
| 820 | c_str[0] = PUT; |
| 821 | PyOS_snprintf(c_str + 1, sizeof(c_str) - 1, "%d\n", p); |
| 822 | len = strlen(c_str); |
| 823 | } |
| 824 | else if (Pdata_Check(self->file)) { |
| 825 | if (write_other(self, NULL, 0) < 0) return -1; |
| 826 | PDATA_APPEND(self->file, memo_len, -1); |
| 827 | res=0; /* Job well done ;) */ |
| 828 | goto finally; |
| 829 | } |
| 830 | else { |
| 831 | if (p >= 256) { |
| 832 | c_str[0] = LONG_BINPUT; |
| 833 | c_str[1] = (int)(p & 0xff); |
| 834 | c_str[2] = (int)((p >> 8) & 0xff); |
| 835 | c_str[3] = (int)((p >> 16) & 0xff); |
| 836 | c_str[4] = (int)((p >> 24) & 0xff); |
| 837 | len = 5; |
| 838 | } |
| 839 | else { |
| 840 | c_str[0] = BINPUT; |
| 841 | c_str[1] = p; |
| 842 | len = 2; |
| 843 | } |
| 844 | } |
| 845 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 846 | if (self->write_func(self, c_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 847 | goto finally; |
| 848 | |
| 849 | res = 0; |
| 850 | |
| 851 | finally: |
| 852 | Py_XDECREF(py_ob_id); |
| 853 | Py_XDECREF(memo_len); |
| 854 | Py_XDECREF(t); |
| 855 | |
| 856 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 857 | } |
| 858 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 859 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 860 | whichmodule(PyObject *global, PyObject *global_name) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 861 | { |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 862 | Py_ssize_t i, j; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 863 | PyObject *module = 0, *modules_dict = 0, |
| 864 | *global_name_attr = 0, *name = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 865 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 866 | module = PyObject_GetAttrString(global, "__module__"); |
Jeremy Hylton | f00368f | 2003-06-16 20:19:49 +0000 | [diff] [blame] | 867 | if (module) |
| 868 | return module; |
| 869 | if (PyErr_ExceptionMatches(PyExc_AttributeError)) |
| 870 | PyErr_Clear(); |
| 871 | else |
| 872 | return NULL; |
Guido van Rossum | 4518823 | 1997-09-28 05:38:51 +0000 | [diff] [blame] | 873 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 874 | if (!( modules_dict = PySys_GetObject("modules"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 875 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 876 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 877 | i = 0; |
| 878 | while ((j = PyDict_Next(modules_dict, &i, &name, &module))) { |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 879 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 880 | if (PyObject_Compare(name, __main___str)==0) continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 881 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 882 | global_name_attr = PyObject_GetAttr(module, global_name); |
| 883 | if (!global_name_attr) { |
Jeremy Hylton | f00368f | 2003-06-16 20:19:49 +0000 | [diff] [blame] | 884 | if (PyErr_ExceptionMatches(PyExc_AttributeError)) |
| 885 | PyErr_Clear(); |
| 886 | else |
| 887 | return NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 888 | continue; |
| 889 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 890 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 891 | if (global_name_attr != global) { |
| 892 | Py_DECREF(global_name_attr); |
| 893 | continue; |
| 894 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 895 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 896 | Py_DECREF(global_name_attr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 897 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 898 | break; |
| 899 | } |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 900 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 901 | /* The following implements the rule in pickle.py added in 1.5 |
| 902 | that used __main__ if no module is found. I don't actually |
| 903 | like this rule. jlf |
| 904 | */ |
| 905 | if (!j) { |
| 906 | j=1; |
| 907 | name=__main___str; |
| 908 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 909 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 910 | Py_INCREF(name); |
| 911 | return name; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 912 | } |
| 913 | |
| 914 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 915 | static int |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 916 | fast_save_enter(Picklerobject *self, PyObject *obj) |
| 917 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 918 | /* if fast_container < 0, we're doing an error exit. */ |
| 919 | if (++self->fast_container >= PY_CPICKLE_FAST_LIMIT) { |
| 920 | PyObject *key = NULL; |
| 921 | if (self->fast_memo == NULL) { |
| 922 | self->fast_memo = PyDict_New(); |
| 923 | if (self->fast_memo == NULL) { |
| 924 | self->fast_container = -1; |
| 925 | return 0; |
| 926 | } |
| 927 | } |
| 928 | key = PyLong_FromVoidPtr(obj); |
| 929 | if (key == NULL) |
| 930 | return 0; |
| 931 | if (PyDict_GetItem(self->fast_memo, key)) { |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 932 | Py_DECREF(key); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 933 | PyErr_Format(PyExc_ValueError, |
Tim Peters | 92c8bb3 | 2003-02-13 23:00:26 +0000 | [diff] [blame] | 934 | "fast mode: can't pickle cyclic objects " |
| 935 | "including object type %s at %p", |
Christian Heimes | e93237d | 2007-12-19 02:37:44 +0000 | [diff] [blame] | 936 | Py_TYPE(obj)->tp_name, obj); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 937 | self->fast_container = -1; |
| 938 | return 0; |
| 939 | } |
| 940 | if (PyDict_SetItem(self->fast_memo, key, Py_None) < 0) { |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 941 | Py_DECREF(key); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 942 | self->fast_container = -1; |
| 943 | return 0; |
| 944 | } |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 945 | Py_DECREF(key); |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 946 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 947 | return 1; |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 948 | } |
| 949 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 950 | int |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 951 | fast_save_leave(Picklerobject *self, PyObject *obj) |
| 952 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 953 | if (self->fast_container-- >= PY_CPICKLE_FAST_LIMIT) { |
| 954 | PyObject *key = PyLong_FromVoidPtr(obj); |
| 955 | if (key == NULL) |
| 956 | return 0; |
| 957 | if (PyDict_DelItem(self->fast_memo, key) < 0) { |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 958 | Py_DECREF(key); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 959 | return 0; |
| 960 | } |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 961 | Py_DECREF(key); |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 962 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 963 | return 1; |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 964 | } |
| 965 | |
| 966 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 967 | save_none(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 968 | { |
| 969 | static char none = NONE; |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 970 | if (self->write_func(self, &none, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 971 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 972 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 973 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 974 | } |
| 975 | |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 976 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 977 | save_bool(Picklerobject *self, PyObject *args) |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 978 | { |
Jeremy Hylton | af68c87 | 2005-12-10 18:50:16 +0000 | [diff] [blame] | 979 | static const char *buf[2] = {FALSE, TRUE}; |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 980 | static char len[2] = {sizeof(FALSE)-1, sizeof(TRUE)-1}; |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 981 | long l = PyInt_AS_LONG((PyIntObject *)args); |
| 982 | |
Tim Peters | 3c67d79 | 2003-02-02 17:59:11 +0000 | [diff] [blame] | 983 | if (self->proto >= 2) { |
| 984 | char opcode = l ? NEWTRUE : NEWFALSE; |
| 985 | if (self->write_func(self, &opcode, 1) < 0) |
| 986 | return -1; |
| 987 | } |
| 988 | else if (self->write_func(self, buf[l], len[l]) < 0) |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 989 | return -1; |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 990 | return 0; |
| 991 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 992 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 993 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 994 | save_int(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 995 | { |
| 996 | char c_str[32]; |
| 997 | long l = PyInt_AS_LONG((PyIntObject *)args); |
| 998 | int len = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 999 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1000 | if (!self->bin |
Guido van Rossum | de8d6d7 | 1997-05-13 18:00:44 +0000 | [diff] [blame] | 1001 | #if SIZEOF_LONG > 4 |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1002 | || l > 0x7fffffffL |
| 1003 | || l < -0x80000000L |
Guido van Rossum | de8d6d7 | 1997-05-13 18:00:44 +0000 | [diff] [blame] | 1004 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1005 | ) { |
| 1006 | /* Text-mode pickle, or long too big to fit in the 4-byte |
| 1007 | * signed BININT format: store as a string. |
| 1008 | */ |
| 1009 | c_str[0] = INT; |
| 1010 | PyOS_snprintf(c_str + 1, sizeof(c_str) - 1, "%ld\n", l); |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1011 | if (self->write_func(self, c_str, strlen(c_str)) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1012 | return -1; |
| 1013 | } |
| 1014 | else { |
| 1015 | /* Binary pickle and l fits in a signed 4-byte int. */ |
| 1016 | c_str[1] = (int)( l & 0xff); |
| 1017 | c_str[2] = (int)((l >> 8) & 0xff); |
| 1018 | c_str[3] = (int)((l >> 16) & 0xff); |
| 1019 | c_str[4] = (int)((l >> 24) & 0xff); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1020 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1021 | if ((c_str[4] == 0) && (c_str[3] == 0)) { |
| 1022 | if (c_str[2] == 0) { |
| 1023 | c_str[0] = BININT1; |
| 1024 | len = 2; |
| 1025 | } |
| 1026 | else { |
| 1027 | c_str[0] = BININT2; |
| 1028 | len = 3; |
| 1029 | } |
| 1030 | } |
| 1031 | else { |
| 1032 | c_str[0] = BININT; |
| 1033 | len = 5; |
| 1034 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1035 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1036 | if (self->write_func(self, c_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1037 | return -1; |
| 1038 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1039 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1040 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1041 | } |
| 1042 | |
| 1043 | |
| 1044 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1045 | save_long(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1046 | { |
Armin Rigo | 7ccbca9 | 2006-10-04 12:17:45 +0000 | [diff] [blame] | 1047 | Py_ssize_t size; |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 1048 | int res = -1; |
| 1049 | PyObject *repr = NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1050 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1051 | static char l = LONG; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1052 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 1053 | if (self->proto >= 2) { |
| 1054 | /* Linear-time pickling. */ |
| 1055 | size_t nbits; |
| 1056 | size_t nbytes; |
| 1057 | unsigned char *pdata; |
| 1058 | char c_str[5]; |
| 1059 | int i; |
| 1060 | int sign = _PyLong_Sign(args); |
| 1061 | |
| 1062 | if (sign == 0) { |
| 1063 | /* It's 0 -- an empty bytestring. */ |
| 1064 | c_str[0] = LONG1; |
| 1065 | c_str[1] = 0; |
| 1066 | i = self->write_func(self, c_str, 2); |
| 1067 | if (i < 0) goto finally; |
| 1068 | res = 0; |
| 1069 | goto finally; |
| 1070 | } |
| 1071 | nbits = _PyLong_NumBits(args); |
| 1072 | if (nbits == (size_t)-1 && PyErr_Occurred()) |
| 1073 | goto finally; |
| 1074 | /* How many bytes do we need? There are nbits >> 3 full |
| 1075 | * bytes of data, and nbits & 7 leftover bits. If there |
| 1076 | * are any leftover bits, then we clearly need another |
| 1077 | * byte. Wnat's not so obvious is that we *probably* |
| 1078 | * need another byte even if there aren't any leftovers: |
| 1079 | * the most-significant bit of the most-significant byte |
| 1080 | * acts like a sign bit, and it's usually got a sense |
| 1081 | * opposite of the one we need. The exception is longs |
| 1082 | * of the form -(2**(8*j-1)) for j > 0. Such a long is |
| 1083 | * its own 256's-complement, so has the right sign bit |
| 1084 | * even without the extra byte. That's a pain to check |
| 1085 | * for in advance, though, so we always grab an extra |
| 1086 | * byte at the start, and cut it back later if possible. |
| 1087 | */ |
| 1088 | nbytes = (nbits >> 3) + 1; |
Armin Rigo | 7ccbca9 | 2006-10-04 12:17:45 +0000 | [diff] [blame] | 1089 | if (nbytes > INT_MAX) { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 1090 | PyErr_SetString(PyExc_OverflowError, "long too large " |
| 1091 | "to pickle"); |
| 1092 | goto finally; |
| 1093 | } |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 1094 | repr = PyString_FromStringAndSize(NULL, (int)nbytes); |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 1095 | if (repr == NULL) goto finally; |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 1096 | pdata = (unsigned char *)PyString_AS_STRING(repr); |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 1097 | i = _PyLong_AsByteArray((PyLongObject *)args, |
| 1098 | pdata, nbytes, |
| 1099 | 1 /* little endian */, 1 /* signed */); |
| 1100 | if (i < 0) goto finally; |
| 1101 | /* If the long is negative, this may be a byte more than |
| 1102 | * needed. This is so iff the MSB is all redundant sign |
| 1103 | * bits. |
| 1104 | */ |
| 1105 | if (sign < 0 && nbytes > 1 && pdata[nbytes - 1] == 0xff && |
| 1106 | (pdata[nbytes - 2] & 0x80) != 0) |
| 1107 | --nbytes; |
| 1108 | |
| 1109 | if (nbytes < 256) { |
| 1110 | c_str[0] = LONG1; |
| 1111 | c_str[1] = (char)nbytes; |
| 1112 | size = 2; |
| 1113 | } |
| 1114 | else { |
| 1115 | c_str[0] = LONG4; |
| 1116 | size = (int)nbytes; |
| 1117 | for (i = 1; i < 5; i++) { |
| 1118 | c_str[i] = (char)(size & 0xff); |
| 1119 | size >>= 8; |
| 1120 | } |
| 1121 | size = 5; |
| 1122 | } |
| 1123 | i = self->write_func(self, c_str, size); |
| 1124 | if (i < 0) goto finally; |
| 1125 | i = self->write_func(self, (char *)pdata, (int)nbytes); |
| 1126 | if (i < 0) goto finally; |
| 1127 | res = 0; |
| 1128 | goto finally; |
| 1129 | } |
| 1130 | |
| 1131 | /* proto < 2: write the repr and newline. This is quadratic-time |
| 1132 | * (in the number of digits), in both directions. |
| 1133 | */ |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1134 | if (!( repr = PyObject_Repr(args))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1135 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1136 | |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 1137 | if ((size = PyString_Size(repr)) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1138 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1139 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1140 | if (self->write_func(self, &l, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1141 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1142 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1143 | if (self->write_func(self, |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 1144 | PyString_AS_STRING((PyStringObject *)repr), |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1145 | size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1146 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1147 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1148 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1149 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1150 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1151 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1152 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1153 | finally: |
| 1154 | Py_XDECREF(repr); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1155 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1156 | } |
| 1157 | |
| 1158 | |
| 1159 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1160 | save_float(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1161 | { |
| 1162 | double x = PyFloat_AS_DOUBLE((PyFloatObject *)args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1163 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1164 | if (self->bin) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1165 | char str[9]; |
Tim Peters | 9905b94 | 2003-03-20 20:53:32 +0000 | [diff] [blame] | 1166 | str[0] = BINFLOAT; |
| 1167 | if (_PyFloat_Pack8(x, (unsigned char *)&str[1], 0) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1168 | return -1; |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1169 | if (self->write_func(self, str, 9) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1170 | return -1; |
| 1171 | } |
| 1172 | else { |
| 1173 | char c_str[250]; |
| 1174 | c_str[0] = FLOAT; |
Eric Smith | 068f065 | 2009-04-25 21:40:15 +0000 | [diff] [blame] | 1175 | _PyOS_double_to_string(c_str + 1, sizeof(c_str) - 2, x, 'g', |
| 1176 | 17, 0, NULL); |
Georg Brandl | de9b624 | 2006-04-30 11:13:56 +0000 | [diff] [blame] | 1177 | /* Extend the formatted string with a newline character */ |
| 1178 | strcat(c_str, "\n"); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1179 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1180 | if (self->write_func(self, c_str, strlen(c_str)) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1181 | return -1; |
| 1182 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1183 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1184 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1185 | } |
| 1186 | |
| 1187 | |
| 1188 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1189 | save_string(Picklerobject *self, PyObject *args, int doput) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1190 | { |
| 1191 | int size, len; |
| 1192 | PyObject *repr=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1193 | |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 1194 | if ((size = PyString_Size(args)) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1195 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1196 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1197 | if (!self->bin) { |
| 1198 | char *repr_str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1199 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1200 | static char string = STRING; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1201 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1202 | if (!( repr = PyObject_Repr(args))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1203 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1204 | |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 1205 | if ((len = PyString_Size(repr)) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1206 | goto err; |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 1207 | repr_str = PyString_AS_STRING((PyStringObject *)repr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1208 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1209 | if (self->write_func(self, &string, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1210 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1211 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1212 | if (self->write_func(self, repr_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1213 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1214 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1215 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1216 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1217 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1218 | Py_XDECREF(repr); |
| 1219 | } |
| 1220 | else { |
| 1221 | int i; |
| 1222 | char c_str[5]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1223 | |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 1224 | if ((size = PyString_Size(args)) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1225 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1226 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1227 | if (size < 256) { |
| 1228 | c_str[0] = SHORT_BINSTRING; |
| 1229 | c_str[1] = size; |
| 1230 | len = 2; |
| 1231 | } |
Armin Rigo | 7ccbca9 | 2006-10-04 12:17:45 +0000 | [diff] [blame] | 1232 | else if (size <= INT_MAX) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1233 | c_str[0] = BINSTRING; |
| 1234 | for (i = 1; i < 5; i++) |
| 1235 | c_str[i] = (int)(size >> ((i - 1) * 8)); |
| 1236 | len = 5; |
| 1237 | } |
Armin Rigo | 7ccbca9 | 2006-10-04 12:17:45 +0000 | [diff] [blame] | 1238 | else |
| 1239 | return -1; /* string too large */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1240 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1241 | if (self->write_func(self, c_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1242 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1243 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1244 | if (size > 128 && Pdata_Check(self->file)) { |
| 1245 | if (write_other(self, NULL, 0) < 0) return -1; |
| 1246 | PDATA_APPEND(self->file, args, -1); |
| 1247 | } |
| 1248 | else { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1249 | if (self->write_func(self, |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 1250 | PyString_AS_STRING( |
| 1251 | (PyStringObject *)args), |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1252 | size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1253 | return -1; |
| 1254 | } |
| 1255 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1256 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1257 | if (doput) |
| 1258 | if (put(self, args) < 0) |
| 1259 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1260 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1261 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1262 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1263 | err: |
| 1264 | Py_XDECREF(repr); |
| 1265 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1266 | } |
| 1267 | |
| 1268 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1269 | #ifdef Py_USING_UNICODE |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1270 | /* A copy of PyUnicode_EncodeRawUnicodeEscape() that also translates |
| 1271 | backslash and newline characters to \uXXXX escapes. */ |
| 1272 | static PyObject * |
Alexandre Vassalotti | f852bf9 | 2008-12-27 07:08:47 +0000 | [diff] [blame] | 1273 | modified_EncodeRawUnicodeEscape(const Py_UNICODE *s, Py_ssize_t size) |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1274 | { |
Alexandre Vassalotti | f852bf9 | 2008-12-27 07:08:47 +0000 | [diff] [blame] | 1275 | PyObject *repr; |
| 1276 | char *p; |
| 1277 | char *q; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1278 | |
Alexandre Vassalotti | f852bf9 | 2008-12-27 07:08:47 +0000 | [diff] [blame] | 1279 | static const char *hexdigit = "0123456789abcdef"; |
| 1280 | #ifdef Py_UNICODE_WIDE |
| 1281 | const Py_ssize_t expandsize = 10; |
| 1282 | #else |
| 1283 | const Py_ssize_t expandsize = 6; |
| 1284 | #endif |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1285 | |
Alexandre Vassalotti | f852bf9 | 2008-12-27 07:08:47 +0000 | [diff] [blame] | 1286 | if (size > PY_SSIZE_T_MAX / expandsize) |
| 1287 | return PyErr_NoMemory(); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1288 | |
Alexandre Vassalotti | f852bf9 | 2008-12-27 07:08:47 +0000 | [diff] [blame] | 1289 | repr = PyString_FromStringAndSize(NULL, expandsize * size); |
| 1290 | if (repr == NULL) |
| 1291 | return NULL; |
| 1292 | if (size == 0) |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1293 | return repr; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1294 | |
Alexandre Vassalotti | f852bf9 | 2008-12-27 07:08:47 +0000 | [diff] [blame] | 1295 | p = q = PyString_AS_STRING(repr); |
| 1296 | while (size-- > 0) { |
| 1297 | Py_UNICODE ch = *s++; |
| 1298 | #ifdef Py_UNICODE_WIDE |
| 1299 | /* Map 32-bit characters to '\Uxxxxxxxx' */ |
| 1300 | if (ch >= 0x10000) { |
| 1301 | *p++ = '\\'; |
| 1302 | *p++ = 'U'; |
| 1303 | *p++ = hexdigit[(ch >> 28) & 0xf]; |
| 1304 | *p++ = hexdigit[(ch >> 24) & 0xf]; |
| 1305 | *p++ = hexdigit[(ch >> 20) & 0xf]; |
| 1306 | *p++ = hexdigit[(ch >> 16) & 0xf]; |
| 1307 | *p++ = hexdigit[(ch >> 12) & 0xf]; |
| 1308 | *p++ = hexdigit[(ch >> 8) & 0xf]; |
| 1309 | *p++ = hexdigit[(ch >> 4) & 0xf]; |
| 1310 | *p++ = hexdigit[ch & 15]; |
| 1311 | } |
| 1312 | else |
| 1313 | #else |
| 1314 | /* Map UTF-16 surrogate pairs to '\U00xxxxxx' */ |
| 1315 | if (ch >= 0xD800 && ch < 0xDC00) { |
| 1316 | Py_UNICODE ch2; |
| 1317 | Py_UCS4 ucs; |
| 1318 | |
| 1319 | ch2 = *s++; |
| 1320 | size--; |
| 1321 | if (ch2 >= 0xDC00 && ch2 <= 0xDFFF) { |
| 1322 | ucs = (((ch & 0x03FF) << 10) | (ch2 & 0x03FF)) + 0x00010000; |
| 1323 | *p++ = '\\'; |
| 1324 | *p++ = 'U'; |
| 1325 | *p++ = hexdigit[(ucs >> 28) & 0xf]; |
| 1326 | *p++ = hexdigit[(ucs >> 24) & 0xf]; |
| 1327 | *p++ = hexdigit[(ucs >> 20) & 0xf]; |
| 1328 | *p++ = hexdigit[(ucs >> 16) & 0xf]; |
| 1329 | *p++ = hexdigit[(ucs >> 12) & 0xf]; |
| 1330 | *p++ = hexdigit[(ucs >> 8) & 0xf]; |
| 1331 | *p++ = hexdigit[(ucs >> 4) & 0xf]; |
| 1332 | *p++ = hexdigit[ucs & 0xf]; |
| 1333 | continue; |
| 1334 | } |
| 1335 | /* Fall through: isolated surrogates are copied as-is */ |
| 1336 | s--; |
| 1337 | size++; |
| 1338 | } |
| 1339 | #endif |
| 1340 | /* Map 16-bit characters to '\uxxxx' */ |
| 1341 | if (ch >= 256 || ch == '\\' || ch == '\n') { |
| 1342 | *p++ = '\\'; |
| 1343 | *p++ = 'u'; |
| 1344 | *p++ = hexdigit[(ch >> 12) & 0xf]; |
| 1345 | *p++ = hexdigit[(ch >> 8) & 0xf]; |
| 1346 | *p++ = hexdigit[(ch >> 4) & 0xf]; |
| 1347 | *p++ = hexdigit[ch & 15]; |
| 1348 | } |
| 1349 | /* Copy everything else as-is */ |
| 1350 | else |
| 1351 | *p++ = (char) ch; |
| 1352 | } |
| 1353 | *p = '\0'; |
| 1354 | _PyString_Resize(&repr, p - q); |
| 1355 | return repr; |
| 1356 | } |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1357 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1358 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1359 | save_unicode(Picklerobject *self, PyObject *args, int doput) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1360 | { |
Armin Rigo | 7ccbca9 | 2006-10-04 12:17:45 +0000 | [diff] [blame] | 1361 | Py_ssize_t size, len; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1362 | PyObject *repr=0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1363 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1364 | if (!PyUnicode_Check(args)) |
| 1365 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1366 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1367 | if (!self->bin) { |
| 1368 | char *repr_str; |
| 1369 | static char string = UNICODE; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1370 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1371 | repr = modified_EncodeRawUnicodeEscape( |
| 1372 | PyUnicode_AS_UNICODE(args), PyUnicode_GET_SIZE(args)); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1373 | if (!repr) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1374 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1375 | |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 1376 | if ((len = PyString_Size(repr)) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1377 | goto err; |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 1378 | repr_str = PyString_AS_STRING((PyStringObject *)repr); |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1379 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1380 | if (self->write_func(self, &string, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1381 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1382 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1383 | if (self->write_func(self, repr_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1384 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1385 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1386 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1387 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1388 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1389 | Py_XDECREF(repr); |
| 1390 | } |
| 1391 | else { |
| 1392 | int i; |
| 1393 | char c_str[5]; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1394 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1395 | if (!( repr = PyUnicode_AsUTF8String(args))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1396 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1397 | |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 1398 | if ((size = PyString_Size(repr)) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1399 | goto err; |
Armin Rigo | 7ccbca9 | 2006-10-04 12:17:45 +0000 | [diff] [blame] | 1400 | if (size > INT_MAX) |
| 1401 | return -1; /* string too large */ |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1402 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1403 | c_str[0] = BINUNICODE; |
| 1404 | for (i = 1; i < 5; i++) |
| 1405 | c_str[i] = (int)(size >> ((i - 1) * 8)); |
| 1406 | len = 5; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1407 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1408 | if (self->write_func(self, c_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1409 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1410 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1411 | if (size > 128 && Pdata_Check(self->file)) { |
| 1412 | if (write_other(self, NULL, 0) < 0) |
| 1413 | goto err; |
| 1414 | PDATA_APPEND(self->file, repr, -1); |
| 1415 | } |
| 1416 | else { |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 1417 | if (self->write_func(self, PyString_AS_STRING(repr), |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1418 | size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1419 | goto err; |
| 1420 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1421 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1422 | Py_DECREF(repr); |
| 1423 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1424 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1425 | if (doput) |
| 1426 | if (put(self, args) < 0) |
| 1427 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1428 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1429 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1430 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1431 | err: |
| 1432 | Py_XDECREF(repr); |
| 1433 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1434 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1435 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1436 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1437 | /* A helper for save_tuple. Push the len elements in tuple t on the stack. */ |
| 1438 | static int |
Tim Peters | 6792014 | 2003-02-05 03:46:17 +0000 | [diff] [blame] | 1439 | store_tuple_elements(Picklerobject *self, PyObject *t, int len) |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1440 | { |
| 1441 | int i; |
| 1442 | int res = -1; /* guilty until proved innocent */ |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1443 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1444 | assert(PyTuple_Size(t) == len); |
| 1445 | |
| 1446 | for (i = 0; i < len; i++) { |
| 1447 | PyObject *element = PyTuple_GET_ITEM(t, i); |
| 1448 | |
| 1449 | if (element == NULL) |
| 1450 | goto finally; |
| 1451 | if (save(self, element, 0) < 0) |
| 1452 | goto finally; |
| 1453 | } |
| 1454 | res = 0; |
| 1455 | |
| 1456 | finally: |
| 1457 | return res; |
| 1458 | } |
| 1459 | |
| 1460 | /* Tuples are ubiquitous in the pickle protocols, so many techniques are |
| 1461 | * used across protocols to minimize the space needed to pickle them. |
Tim Peters | 6792014 | 2003-02-05 03:46:17 +0000 | [diff] [blame] | 1462 | * Tuples are also the only builtin immutable type that can be recursive |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1463 | * (a tuple can be reached from itself), and that requires some subtle |
| 1464 | * magic so that it works in all cases. IOW, this is a long routine. |
| 1465 | */ |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1466 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1467 | save_tuple(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1468 | { |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1469 | PyObject *py_tuple_id = NULL; |
| 1470 | int len, i; |
| 1471 | int res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1472 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1473 | static char tuple = TUPLE; |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1474 | static char pop = POP; |
| 1475 | static char pop_mark = POP_MARK; |
| 1476 | static char len2opcode[] = {EMPTY_TUPLE, TUPLE1, TUPLE2, TUPLE3}; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1477 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1478 | if ((len = PyTuple_Size(args)) < 0) |
| 1479 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1480 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1481 | if (len == 0) { |
| 1482 | char c_str[2]; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1483 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1484 | if (self->proto) { |
| 1485 | c_str[0] = EMPTY_TUPLE; |
| 1486 | len = 1; |
| 1487 | } |
| 1488 | else { |
| 1489 | c_str[0] = MARK; |
| 1490 | c_str[1] = TUPLE; |
| 1491 | len = 2; |
| 1492 | } |
| 1493 | if (self->write_func(self, c_str, len) >= 0) |
| 1494 | res = 0; |
| 1495 | /* Don't memoize an empty tuple. */ |
| 1496 | goto finally; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1497 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1498 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1499 | /* A non-empty tuple. */ |
| 1500 | |
| 1501 | /* id(tuple) isn't in the memo now. If it shows up there after |
| 1502 | * saving the tuple elements, the tuple must be recursive, in |
| 1503 | * which case we'll pop everything we put on the stack, and fetch |
| 1504 | * its value from the memo. |
| 1505 | */ |
| 1506 | py_tuple_id = PyLong_FromVoidPtr(args); |
| 1507 | if (py_tuple_id == NULL) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1508 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1509 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1510 | if (len <= 3 && self->proto >= 2) { |
| 1511 | /* Use TUPLE{1,2,3} opcodes. */ |
Tim Peters | 6792014 | 2003-02-05 03:46:17 +0000 | [diff] [blame] | 1512 | if (store_tuple_elements(self, args, len) < 0) |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1513 | goto finally; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1514 | if (PyDict_GetItem(self->memo, py_tuple_id)) { |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1515 | /* pop the len elements */ |
| 1516 | for (i = 0; i < len; ++i) |
| 1517 | if (self->write_func(self, &pop, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1518 | goto finally; |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1519 | /* fetch from memo */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1520 | if (get(self, py_tuple_id) < 0) |
| 1521 | goto finally; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1522 | res = 0; |
| 1523 | goto finally; |
| 1524 | } |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1525 | /* Not recursive. */ |
| 1526 | if (self->write_func(self, len2opcode + len, 1) < 0) |
| 1527 | goto finally; |
| 1528 | goto memoize; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1529 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1530 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1531 | /* proto < 2 and len > 0, or proto >= 2 and len > 3. |
| 1532 | * Generate MARK elt1 elt2 ... TUPLE |
| 1533 | */ |
| 1534 | if (self->write_func(self, &MARKv, 1) < 0) |
| 1535 | goto finally; |
| 1536 | |
Tim Peters | 6792014 | 2003-02-05 03:46:17 +0000 | [diff] [blame] | 1537 | if (store_tuple_elements(self, args, len) < 0) |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1538 | goto finally; |
| 1539 | |
| 1540 | if (PyDict_GetItem(self->memo, py_tuple_id)) { |
| 1541 | /* pop the stack stuff we pushed */ |
| 1542 | if (self->bin) { |
| 1543 | if (self->write_func(self, &pop_mark, 1) < 0) |
| 1544 | goto finally; |
| 1545 | } |
| 1546 | else { |
| 1547 | /* Note that we pop one more than len, to remove |
| 1548 | * the MARK too. |
| 1549 | */ |
| 1550 | for (i = 0; i <= len; i++) |
| 1551 | if (self->write_func(self, &pop, 1) < 0) |
| 1552 | goto finally; |
| 1553 | } |
| 1554 | /* fetch from memo */ |
| 1555 | if (get(self, py_tuple_id) >= 0) |
| 1556 | res = 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1557 | goto finally; |
| 1558 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1559 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1560 | /* Not recursive. */ |
| 1561 | if (self->write_func(self, &tuple, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1562 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1563 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1564 | memoize: |
| 1565 | if (put(self, args) >= 0) |
| 1566 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1567 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1568 | finally: |
| 1569 | Py_XDECREF(py_tuple_id); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1570 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1571 | } |
| 1572 | |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame] | 1573 | /* iter is an iterator giving items, and we batch up chunks of |
| 1574 | * MARK item item ... item APPENDS |
| 1575 | * opcode sequences. Calling code should have arranged to first create an |
| 1576 | * empty list, or list-like object, for the APPENDS to operate on. |
| 1577 | * Returns 0 on success, <0 on error. |
| 1578 | */ |
| 1579 | static int |
| 1580 | batch_list(Picklerobject *self, PyObject *iter) |
| 1581 | { |
Amaury Forgeot d'Arc | 24cb382 | 2008-09-11 20:56:13 +0000 | [diff] [blame] | 1582 | PyObject *obj = NULL; |
| 1583 | PyObject *firstitem = NULL; |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame] | 1584 | int i, n; |
| 1585 | |
| 1586 | static char append = APPEND; |
| 1587 | static char appends = APPENDS; |
| 1588 | |
| 1589 | assert(iter != NULL); |
| 1590 | |
| 1591 | if (self->proto == 0) { |
| 1592 | /* APPENDS isn't available; do one at a time. */ |
| 1593 | for (;;) { |
| 1594 | obj = PyIter_Next(iter); |
| 1595 | if (obj == NULL) { |
| 1596 | if (PyErr_Occurred()) |
| 1597 | return -1; |
| 1598 | break; |
| 1599 | } |
| 1600 | i = save(self, obj, 0); |
| 1601 | Py_DECREF(obj); |
| 1602 | if (i < 0) |
| 1603 | return -1; |
| 1604 | if (self->write_func(self, &append, 1) < 0) |
| 1605 | return -1; |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame] | 1606 | } |
| 1607 | return 0; |
| 1608 | } |
| 1609 | |
| 1610 | /* proto > 0: write in batches of BATCHSIZE. */ |
| 1611 | do { |
Amaury Forgeot d'Arc | 24cb382 | 2008-09-11 20:56:13 +0000 | [diff] [blame] | 1612 | /* Get first item */ |
| 1613 | firstitem = PyIter_Next(iter); |
| 1614 | if (firstitem == NULL) { |
| 1615 | if (PyErr_Occurred()) |
| 1616 | goto BatchFailed; |
| 1617 | |
| 1618 | /* nothing more to add */ |
| 1619 | break; |
| 1620 | } |
| 1621 | |
| 1622 | /* Try to get a second item */ |
| 1623 | obj = PyIter_Next(iter); |
| 1624 | if (obj == NULL) { |
| 1625 | if (PyErr_Occurred()) |
| 1626 | goto BatchFailed; |
| 1627 | |
| 1628 | /* Only one item to write */ |
| 1629 | if (save(self, firstitem, 0) < 0) |
| 1630 | goto BatchFailed; |
| 1631 | if (self->write_func(self, &append, 1) < 0) |
| 1632 | goto BatchFailed; |
| 1633 | Py_CLEAR(firstitem); |
| 1634 | break; |
| 1635 | } |
| 1636 | |
| 1637 | /* More than one item to write */ |
| 1638 | |
| 1639 | /* Pump out MARK, items, APPENDS. */ |
| 1640 | if (self->write_func(self, &MARKv, 1) < 0) |
| 1641 | goto BatchFailed; |
| 1642 | |
| 1643 | if (save(self, firstitem, 0) < 0) |
| 1644 | goto BatchFailed; |
| 1645 | Py_CLEAR(firstitem); |
| 1646 | n = 1; |
| 1647 | |
| 1648 | /* Fetch and save up to BATCHSIZE items */ |
| 1649 | while (obj) { |
| 1650 | if (save(self, obj, 0) < 0) |
| 1651 | goto BatchFailed; |
| 1652 | Py_CLEAR(obj); |
| 1653 | n += 1; |
| 1654 | |
| 1655 | if (n == BATCHSIZE) |
| 1656 | break; |
| 1657 | |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame] | 1658 | obj = PyIter_Next(iter); |
| 1659 | if (obj == NULL) { |
| 1660 | if (PyErr_Occurred()) |
| 1661 | goto BatchFailed; |
| 1662 | break; |
| 1663 | } |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame] | 1664 | } |
| 1665 | |
Amaury Forgeot d'Arc | 24cb382 | 2008-09-11 20:56:13 +0000 | [diff] [blame] | 1666 | if (self->write_func(self, &appends, 1) < 0) |
| 1667 | goto BatchFailed; |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame] | 1668 | |
Tim Peters | 90975f1 | 2003-02-12 05:28:58 +0000 | [diff] [blame] | 1669 | } while (n == BATCHSIZE); |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame] | 1670 | return 0; |
| 1671 | |
| 1672 | BatchFailed: |
Amaury Forgeot d'Arc | 24cb382 | 2008-09-11 20:56:13 +0000 | [diff] [blame] | 1673 | Py_XDECREF(firstitem); |
| 1674 | Py_XDECREF(obj); |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame] | 1675 | return -1; |
| 1676 | } |
| 1677 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1678 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1679 | save_list(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1680 | { |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame] | 1681 | int res = -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1682 | char s[3]; |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame] | 1683 | int len; |
| 1684 | PyObject *iter; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1685 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1686 | if (self->fast && !fast_save_enter(self, args)) |
| 1687 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1688 | |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame] | 1689 | /* Create an empty list. */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1690 | if (self->bin) { |
| 1691 | s[0] = EMPTY_LIST; |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame] | 1692 | len = 1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1693 | } |
| 1694 | else { |
| 1695 | s[0] = MARK; |
| 1696 | s[1] = LIST; |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame] | 1697 | len = 2; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1698 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1699 | |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame] | 1700 | if (self->write_func(self, s, len) < 0) |
| 1701 | goto finally; |
| 1702 | |
| 1703 | /* Get list length, and bow out early if empty. */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1704 | if ((len = PyList_Size(args)) < 0) |
| 1705 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1706 | |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame] | 1707 | /* Memoize. */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1708 | if (len == 0) { |
Tim Peters | 90975f1 | 2003-02-12 05:28:58 +0000 | [diff] [blame] | 1709 | if (put(self, args) >= 0) |
| 1710 | res = 0; |
| 1711 | goto finally; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1712 | } |
Tim Peters | 90975f1 | 2003-02-12 05:28:58 +0000 | [diff] [blame] | 1713 | if (put2(self, args) < 0) |
| 1714 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1715 | |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame] | 1716 | /* Materialize the list elements. */ |
| 1717 | iter = PyObject_GetIter(args); |
| 1718 | if (iter == NULL) |
| 1719 | goto finally; |
Facundo Batista | 763d309 | 2008-06-30 01:10:55 +0000 | [diff] [blame] | 1720 | |
| 1721 | if (Py_EnterRecursiveCall(" while pickling an object") == 0) |
| 1722 | { |
| 1723 | res = batch_list(self, iter); |
| 1724 | Py_LeaveRecursiveCall(); |
| 1725 | } |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame] | 1726 | Py_DECREF(iter); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1727 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1728 | finally: |
| 1729 | if (self->fast && !fast_save_leave(self, args)) |
| 1730 | res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1731 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1732 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1733 | } |
| 1734 | |
| 1735 | |
Tim Peters | 42f08ac | 2003-02-11 22:43:24 +0000 | [diff] [blame] | 1736 | /* iter is an iterator giving (key, value) pairs, and we batch up chunks of |
| 1737 | * MARK key value ... key value SETITEMS |
| 1738 | * opcode sequences. Calling code should have arranged to first create an |
| 1739 | * empty dict, or dict-like object, for the SETITEMS to operate on. |
| 1740 | * Returns 0 on success, <0 on error. |
| 1741 | * |
| 1742 | * This is very much like batch_list(). The difference between saving |
| 1743 | * elements directly, and picking apart two-tuples, is so long-winded at |
| 1744 | * the C level, though, that attempts to combine these routines were too |
| 1745 | * ugly to bear. |
| 1746 | */ |
| 1747 | static int |
| 1748 | batch_dict(Picklerobject *self, PyObject *iter) |
| 1749 | { |
Amaury Forgeot d'Arc | 24cb382 | 2008-09-11 20:56:13 +0000 | [diff] [blame] | 1750 | PyObject *p = NULL; |
| 1751 | PyObject *firstitem = NULL; |
Tim Peters | 42f08ac | 2003-02-11 22:43:24 +0000 | [diff] [blame] | 1752 | int i, n; |
| 1753 | |
| 1754 | static char setitem = SETITEM; |
| 1755 | static char setitems = SETITEMS; |
| 1756 | |
| 1757 | assert(iter != NULL); |
| 1758 | |
| 1759 | if (self->proto == 0) { |
| 1760 | /* SETITEMS isn't available; do one at a time. */ |
| 1761 | for (;;) { |
| 1762 | p = PyIter_Next(iter); |
| 1763 | if (p == NULL) { |
| 1764 | if (PyErr_Occurred()) |
| 1765 | return -1; |
| 1766 | break; |
| 1767 | } |
| 1768 | if (!PyTuple_Check(p) || PyTuple_Size(p) != 2) { |
| 1769 | PyErr_SetString(PyExc_TypeError, "dict items " |
| 1770 | "iterator must return 2-tuples"); |
| 1771 | return -1; |
| 1772 | } |
| 1773 | i = save(self, PyTuple_GET_ITEM(p, 0), 0); |
| 1774 | if (i >= 0) |
| 1775 | i = save(self, PyTuple_GET_ITEM(p, 1), 0); |
| 1776 | Py_DECREF(p); |
| 1777 | if (i < 0) |
| 1778 | return -1; |
| 1779 | if (self->write_func(self, &setitem, 1) < 0) |
| 1780 | return -1; |
Tim Peters | 42f08ac | 2003-02-11 22:43:24 +0000 | [diff] [blame] | 1781 | } |
| 1782 | return 0; |
| 1783 | } |
| 1784 | |
| 1785 | /* proto > 0: write in batches of BATCHSIZE. */ |
| 1786 | do { |
Amaury Forgeot d'Arc | 24cb382 | 2008-09-11 20:56:13 +0000 | [diff] [blame] | 1787 | /* Get first item */ |
| 1788 | firstitem = PyIter_Next(iter); |
| 1789 | if (firstitem == NULL) { |
| 1790 | if (PyErr_Occurred()) |
| 1791 | goto BatchFailed; |
| 1792 | |
| 1793 | /* nothing more to add */ |
| 1794 | break; |
| 1795 | } |
| 1796 | if (!PyTuple_Check(firstitem) || PyTuple_Size(firstitem) != 2) { |
| 1797 | PyErr_SetString(PyExc_TypeError, "dict items " |
| 1798 | "iterator must return 2-tuples"); |
| 1799 | goto BatchFailed; |
| 1800 | } |
| 1801 | |
| 1802 | /* Try to get a second item */ |
| 1803 | p = PyIter_Next(iter); |
| 1804 | if (p == NULL) { |
| 1805 | if (PyErr_Occurred()) |
| 1806 | goto BatchFailed; |
| 1807 | |
| 1808 | /* Only one item to write */ |
| 1809 | if (save(self, PyTuple_GET_ITEM(firstitem, 0), 0) < 0) |
| 1810 | goto BatchFailed; |
| 1811 | if (save(self, PyTuple_GET_ITEM(firstitem, 1), 0) < 0) |
| 1812 | goto BatchFailed; |
| 1813 | if (self->write_func(self, &setitem, 1) < 0) |
| 1814 | goto BatchFailed; |
| 1815 | Py_CLEAR(firstitem); |
| 1816 | break; |
| 1817 | } |
| 1818 | |
| 1819 | /* More than one item to write */ |
| 1820 | |
| 1821 | /* Pump out MARK, items, SETITEMS. */ |
| 1822 | if (self->write_func(self, &MARKv, 1) < 0) |
| 1823 | goto BatchFailed; |
| 1824 | |
| 1825 | if (save(self, PyTuple_GET_ITEM(firstitem, 0), 0) < 0) |
| 1826 | goto BatchFailed; |
| 1827 | if (save(self, PyTuple_GET_ITEM(firstitem, 1), 0) < 0) |
| 1828 | goto BatchFailed; |
| 1829 | Py_CLEAR(firstitem); |
| 1830 | n = 1; |
| 1831 | |
| 1832 | /* Fetch and save up to BATCHSIZE items */ |
| 1833 | while (p) { |
| 1834 | if (!PyTuple_Check(p) || PyTuple_Size(p) != 2) { |
| 1835 | PyErr_SetString(PyExc_TypeError, "dict items " |
| 1836 | "iterator must return 2-tuples"); |
| 1837 | goto BatchFailed; |
| 1838 | } |
| 1839 | if (save(self, PyTuple_GET_ITEM(p, 0), 0) < 0) |
| 1840 | goto BatchFailed; |
| 1841 | if (save(self, PyTuple_GET_ITEM(p, 1), 0) < 0) |
| 1842 | goto BatchFailed; |
| 1843 | Py_CLEAR(p); |
| 1844 | n += 1; |
| 1845 | |
| 1846 | if (n == BATCHSIZE) |
| 1847 | break; |
| 1848 | |
Tim Peters | 42f08ac | 2003-02-11 22:43:24 +0000 | [diff] [blame] | 1849 | p = PyIter_Next(iter); |
| 1850 | if (p == NULL) { |
| 1851 | if (PyErr_Occurred()) |
| 1852 | goto BatchFailed; |
| 1853 | break; |
| 1854 | } |
Tim Peters | 42f08ac | 2003-02-11 22:43:24 +0000 | [diff] [blame] | 1855 | } |
| 1856 | |
Amaury Forgeot d'Arc | 24cb382 | 2008-09-11 20:56:13 +0000 | [diff] [blame] | 1857 | if (self->write_func(self, &setitems, 1) < 0) |
| 1858 | goto BatchFailed; |
Tim Peters | 42f08ac | 2003-02-11 22:43:24 +0000 | [diff] [blame] | 1859 | |
Tim Peters | 90975f1 | 2003-02-12 05:28:58 +0000 | [diff] [blame] | 1860 | } while (n == BATCHSIZE); |
Tim Peters | 42f08ac | 2003-02-11 22:43:24 +0000 | [diff] [blame] | 1861 | return 0; |
| 1862 | |
| 1863 | BatchFailed: |
Amaury Forgeot d'Arc | 24cb382 | 2008-09-11 20:56:13 +0000 | [diff] [blame] | 1864 | Py_XDECREF(firstitem); |
| 1865 | Py_XDECREF(p); |
Tim Peters | 42f08ac | 2003-02-11 22:43:24 +0000 | [diff] [blame] | 1866 | return -1; |
| 1867 | } |
| 1868 | |
Collin Winter | 179bf21 | 2009-05-25 04:34:39 +0000 | [diff] [blame] | 1869 | /* This is a variant of batch_dict() above that specializes for dicts, with no |
| 1870 | * support for dict subclasses. Like batch_dict(), we batch up chunks of |
| 1871 | * MARK key value ... key value SETITEMS |
| 1872 | * opcode sequences. Calling code should have arranged to first create an |
| 1873 | * empty dict, or dict-like object, for the SETITEMS to operate on. |
| 1874 | * Returns 0 on success, -1 on error. |
| 1875 | * |
| 1876 | * Note that this currently doesn't work for protocol 0. |
| 1877 | */ |
| 1878 | static int |
| 1879 | batch_dict_exact(Picklerobject *self, PyObject *obj) |
| 1880 | { |
| 1881 | PyObject *key = NULL, *value = NULL; |
| 1882 | int i; |
| 1883 | Py_ssize_t dict_size, ppos = 0; |
| 1884 | |
| 1885 | static char setitem = SETITEM; |
| 1886 | static char setitems = SETITEMS; |
| 1887 | |
| 1888 | assert(obj != NULL); |
| 1889 | assert(self->proto > 0); |
| 1890 | |
| 1891 | dict_size = PyDict_Size(obj); |
| 1892 | |
| 1893 | /* Special-case len(d) == 1 to save space. */ |
| 1894 | if (dict_size == 1) { |
| 1895 | PyDict_Next(obj, &ppos, &key, &value); |
| 1896 | if (save(self, key, 0) < 0) |
| 1897 | return -1; |
| 1898 | if (save(self, value, 0) < 0) |
| 1899 | return -1; |
| 1900 | if (self->write_func(self, &setitem, 1) < 0) |
| 1901 | return -1; |
| 1902 | return 0; |
| 1903 | } |
| 1904 | |
| 1905 | /* Write in batches of BATCHSIZE. */ |
| 1906 | do { |
| 1907 | i = 0; |
| 1908 | if (self->write_func(self, &MARKv, 1) < 0) |
| 1909 | return -1; |
| 1910 | while (PyDict_Next(obj, &ppos, &key, &value)) { |
| 1911 | if (save(self, key, 0) < 0) |
| 1912 | return -1; |
| 1913 | if (save(self, value, 0) < 0) |
| 1914 | return -1; |
| 1915 | if (++i == BATCHSIZE) |
| 1916 | break; |
| 1917 | } |
| 1918 | if (self->write_func(self, &setitems, 1) < 0) |
| 1919 | return -1; |
| 1920 | if (PyDict_Size(obj) != dict_size) { |
| 1921 | PyErr_Format( |
| 1922 | PyExc_RuntimeError, |
| 1923 | "dictionary changed size during iteration"); |
| 1924 | return -1; |
| 1925 | } |
| 1926 | |
| 1927 | } while (i == BATCHSIZE); |
| 1928 | return 0; |
| 1929 | } |
| 1930 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1931 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1932 | save_dict(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1933 | { |
Tim Peters | 42f08ac | 2003-02-11 22:43:24 +0000 | [diff] [blame] | 1934 | int res = -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1935 | char s[3]; |
Tim Peters | 42f08ac | 2003-02-11 22:43:24 +0000 | [diff] [blame] | 1936 | int len; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1937 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1938 | if (self->fast && !fast_save_enter(self, args)) |
| 1939 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1940 | |
Tim Peters | 42f08ac | 2003-02-11 22:43:24 +0000 | [diff] [blame] | 1941 | /* Create an empty dict. */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1942 | if (self->bin) { |
| 1943 | s[0] = EMPTY_DICT; |
| 1944 | len = 1; |
| 1945 | } |
| 1946 | else { |
| 1947 | s[0] = MARK; |
| 1948 | s[1] = DICT; |
| 1949 | len = 2; |
| 1950 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1951 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1952 | if (self->write_func(self, s, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1953 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1954 | |
Tim Peters | 42f08ac | 2003-02-11 22:43:24 +0000 | [diff] [blame] | 1955 | /* Get dict size, and bow out early if empty. */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1956 | if ((len = PyDict_Size(args)) < 0) |
| 1957 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1958 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1959 | if (len == 0) { |
Tim Peters | 90975f1 | 2003-02-12 05:28:58 +0000 | [diff] [blame] | 1960 | if (put(self, args) >= 0) |
| 1961 | res = 0; |
| 1962 | goto finally; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1963 | } |
Tim Peters | 90975f1 | 2003-02-12 05:28:58 +0000 | [diff] [blame] | 1964 | if (put2(self, args) < 0) |
| 1965 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1966 | |
Tim Peters | 42f08ac | 2003-02-11 22:43:24 +0000 | [diff] [blame] | 1967 | /* Materialize the dict items. */ |
Collin Winter | 179bf21 | 2009-05-25 04:34:39 +0000 | [diff] [blame] | 1968 | if (PyDict_CheckExact(args) && self->proto > 0) { |
| 1969 | /* We can take certain shortcuts if we know this is a dict and |
| 1970 | not a dict subclass. */ |
| 1971 | if (Py_EnterRecursiveCall(" while pickling an object") == 0) { |
| 1972 | res = batch_dict_exact(self, args); |
| 1973 | Py_LeaveRecursiveCall(); |
| 1974 | } |
| 1975 | } else { |
| 1976 | PyObject *iter = PyObject_CallMethod(args, "iteritems", "()"); |
| 1977 | if (iter == NULL) |
| 1978 | goto finally; |
| 1979 | if (Py_EnterRecursiveCall(" while pickling an object") == 0) { |
| 1980 | res = batch_dict(self, iter); |
| 1981 | Py_LeaveRecursiveCall(); |
| 1982 | } |
| 1983 | Py_DECREF(iter); |
Facundo Batista | 763d309 | 2008-06-30 01:10:55 +0000 | [diff] [blame] | 1984 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1985 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1986 | finally: |
| 1987 | if (self->fast && !fast_save_leave(self, args)) |
| 1988 | res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1989 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1990 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1991 | } |
| 1992 | |
| 1993 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1994 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1995 | save_inst(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1996 | { |
| 1997 | PyObject *class = 0, *module = 0, *name = 0, *state = 0, |
| 1998 | *getinitargs_func = 0, *getstate_func = 0, *class_args = 0; |
| 1999 | char *module_str, *name_str; |
| 2000 | int module_size, name_size, res = -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2001 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2002 | static char inst = INST, obj = OBJ, build = BUILD; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2003 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2004 | if (self->fast && !fast_save_enter(self, args)) |
| 2005 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2006 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2007 | if (self->write_func(self, &MARKv, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2008 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2009 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2010 | if (!( class = PyObject_GetAttr(args, __class___str))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2011 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2012 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2013 | if (self->bin) { |
| 2014 | if (save(self, class, 0) < 0) |
| 2015 | goto finally; |
| 2016 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2017 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2018 | if ((getinitargs_func = PyObject_GetAttr(args, __getinitargs___str))) { |
| 2019 | PyObject *element = 0; |
| 2020 | int i, len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2021 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2022 | if (!( class_args = |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2023 | PyObject_Call(getinitargs_func, empty_tuple, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2024 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2025 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2026 | if ((len = PyObject_Size(class_args)) < 0) |
| 2027 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2028 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2029 | for (i = 0; i < len; i++) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2030 | if (!( element = PySequence_GetItem(class_args, i))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2031 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2032 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2033 | if (save(self, element, 0) < 0) { |
| 2034 | Py_DECREF(element); |
| 2035 | goto finally; |
| 2036 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2037 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2038 | Py_DECREF(element); |
| 2039 | } |
| 2040 | } |
| 2041 | else { |
Jeremy Hylton | f00368f | 2003-06-16 20:19:49 +0000 | [diff] [blame] | 2042 | if (PyErr_ExceptionMatches(PyExc_AttributeError)) |
| 2043 | PyErr_Clear(); |
| 2044 | else |
| 2045 | goto finally; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2046 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2047 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2048 | if (!self->bin) { |
| 2049 | if (!( name = ((PyClassObject *)class)->cl_name )) { |
| 2050 | PyErr_SetString(PicklingError, "class has no name"); |
| 2051 | goto finally; |
| 2052 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2053 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2054 | if (!( module = whichmodule(class, name))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2055 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2056 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2057 | |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 2058 | if ((module_size = PyString_Size(module)) < 0 || |
| 2059 | (name_size = PyString_Size(name)) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2060 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2061 | |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 2062 | module_str = PyString_AS_STRING((PyStringObject *)module); |
| 2063 | name_str = PyString_AS_STRING((PyStringObject *)name); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2064 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2065 | if (self->write_func(self, &inst, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2066 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2067 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2068 | if (self->write_func(self, module_str, module_size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2069 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2070 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2071 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2072 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2073 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2074 | if (self->write_func(self, name_str, name_size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2075 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2076 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2077 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2078 | goto finally; |
| 2079 | } |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2080 | else if (self->write_func(self, &obj, 1) < 0) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2081 | goto finally; |
| 2082 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2083 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2084 | if ((getstate_func = PyObject_GetAttr(args, __getstate___str))) { |
| 2085 | state = PyObject_Call(getstate_func, empty_tuple, NULL); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2086 | if (!state) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2087 | goto finally; |
| 2088 | } |
| 2089 | else { |
Jeremy Hylton | f00368f | 2003-06-16 20:19:49 +0000 | [diff] [blame] | 2090 | if (PyErr_ExceptionMatches(PyExc_AttributeError)) |
| 2091 | PyErr_Clear(); |
| 2092 | else |
| 2093 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2094 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2095 | if (!( state = PyObject_GetAttr(args, __dict___str))) { |
Jeremy Hylton | f00368f | 2003-06-16 20:19:49 +0000 | [diff] [blame] | 2096 | if (PyErr_ExceptionMatches(PyExc_AttributeError)) |
| 2097 | PyErr_Clear(); |
| 2098 | else |
| 2099 | goto finally; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2100 | res = 0; |
| 2101 | goto finally; |
| 2102 | } |
| 2103 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2104 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2105 | if (!PyDict_Check(state)) { |
| 2106 | if (put2(self, args) < 0) |
| 2107 | goto finally; |
| 2108 | } |
| 2109 | else { |
| 2110 | if (put(self, args) < 0) |
| 2111 | goto finally; |
| 2112 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2113 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2114 | if (save(self, state, 0) < 0) |
| 2115 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2116 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2117 | if (self->write_func(self, &build, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2118 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2119 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2120 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2121 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2122 | finally: |
| 2123 | if (self->fast && !fast_save_leave(self, args)) |
| 2124 | res = -1; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2125 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2126 | Py_XDECREF(module); |
| 2127 | Py_XDECREF(class); |
| 2128 | Py_XDECREF(state); |
| 2129 | Py_XDECREF(getinitargs_func); |
| 2130 | Py_XDECREF(getstate_func); |
| 2131 | Py_XDECREF(class_args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2132 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2133 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2134 | } |
| 2135 | |
| 2136 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2137 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2138 | save_global(Picklerobject *self, PyObject *args, PyObject *name) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2139 | { |
Jeremy Hylton | 9ee91f1 | 2002-07-11 22:02:33 +0000 | [diff] [blame] | 2140 | PyObject *global_name = 0, *module = 0, *mod = 0, *klass = 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2141 | char *name_str, *module_str; |
| 2142 | int module_size, name_size, res = -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2143 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2144 | static char global = GLOBAL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2145 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2146 | if (name) { |
| 2147 | global_name = name; |
| 2148 | Py_INCREF(global_name); |
| 2149 | } |
| 2150 | else { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2151 | if (!( global_name = PyObject_GetAttr(args, __name___str))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2152 | goto finally; |
| 2153 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2154 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2155 | if (!( module = whichmodule(args, global_name))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2156 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2157 | |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 2158 | if ((module_size = PyString_Size(module)) < 0 || |
| 2159 | (name_size = PyString_Size(global_name)) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2160 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2161 | |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 2162 | module_str = PyString_AS_STRING((PyStringObject *)module); |
| 2163 | name_str = PyString_AS_STRING((PyStringObject *)global_name); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2164 | |
Guido van Rossum | 75bfd05 | 2002-12-24 18:10:07 +0000 | [diff] [blame] | 2165 | /* XXX This can be doing a relative import. Clearly it shouldn't, |
| 2166 | but I don't know how to stop it. :-( */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2167 | mod = PyImport_ImportModule(module_str); |
| 2168 | if (mod == NULL) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2169 | cPickle_ErrFormat(PicklingError, |
Tim Peters | b9ce7cd | 2003-02-18 20:50:45 +0000 | [diff] [blame] | 2170 | "Can't pickle %s: import of module %s " |
| 2171 | "failed", |
| 2172 | "OS", args, module); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2173 | goto finally; |
| 2174 | } |
Jeremy Hylton | 0e1f7a8 | 2002-07-11 22:01:40 +0000 | [diff] [blame] | 2175 | klass = PyObject_GetAttrString(mod, name_str); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2176 | if (klass == NULL) { |
| 2177 | cPickle_ErrFormat(PicklingError, |
Tim Peters | b9ce7cd | 2003-02-18 20:50:45 +0000 | [diff] [blame] | 2178 | "Can't pickle %s: attribute lookup %s.%s " |
| 2179 | "failed", |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2180 | "OSS", args, module, global_name); |
| 2181 | goto finally; |
| 2182 | } |
| 2183 | if (klass != args) { |
Jeremy Hylton | 0e1f7a8 | 2002-07-11 22:01:40 +0000 | [diff] [blame] | 2184 | Py_DECREF(klass); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2185 | cPickle_ErrFormat(PicklingError, |
Tim Peters | 731098b | 2003-02-04 20:56:09 +0000 | [diff] [blame] | 2186 | "Can't pickle %s: it's not the same object " |
| 2187 | "as %s.%s", |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2188 | "OSS", args, module, global_name); |
| 2189 | goto finally; |
| 2190 | } |
Jeremy Hylton | 0e1f7a8 | 2002-07-11 22:01:40 +0000 | [diff] [blame] | 2191 | Py_DECREF(klass); |
Guido van Rossum | a92d16a | 2001-08-18 21:22:07 +0000 | [diff] [blame] | 2192 | |
Tim Peters | 731098b | 2003-02-04 20:56:09 +0000 | [diff] [blame] | 2193 | if (self->proto >= 2) { |
| 2194 | /* See whether this is in the extension registry, and if |
| 2195 | * so generate an EXT opcode. |
| 2196 | */ |
| 2197 | PyObject *py_code; /* extension code as Python object */ |
Tim Peters | 3e667d5 | 2003-02-04 21:47:44 +0000 | [diff] [blame] | 2198 | long code; /* extension code as C value */ |
Tim Peters | 731098b | 2003-02-04 20:56:09 +0000 | [diff] [blame] | 2199 | char c_str[5]; |
| 2200 | int n; |
| 2201 | |
| 2202 | PyTuple_SET_ITEM(two_tuple, 0, module); |
| 2203 | PyTuple_SET_ITEM(two_tuple, 1, global_name); |
| 2204 | py_code = PyDict_GetItem(extension_registry, two_tuple); |
| 2205 | if (py_code == NULL) |
| 2206 | goto gen_global; /* not registered */ |
| 2207 | |
| 2208 | /* Verify py_code has the right type and value. */ |
| 2209 | if (!PyInt_Check(py_code)) { |
| 2210 | cPickle_ErrFormat(PicklingError, "Can't pickle %s: " |
Tim Peters | 6288e23 | 2003-02-05 03:53:10 +0000 | [diff] [blame] | 2211 | "extension code %s isn't an integer", |
Tim Peters | 731098b | 2003-02-04 20:56:09 +0000 | [diff] [blame] | 2212 | "OO", args, py_code); |
| 2213 | goto finally; |
| 2214 | } |
| 2215 | code = PyInt_AS_LONG(py_code); |
| 2216 | if (code <= 0 || code > 0x7fffffffL) { |
| 2217 | cPickle_ErrFormat(PicklingError, "Can't pickle %s: " |
| 2218 | "extension code %ld is out of range", |
| 2219 | "Ol", args, code); |
| 2220 | goto finally; |
| 2221 | } |
| 2222 | |
| 2223 | /* Generate an EXT opcode. */ |
| 2224 | if (code <= 0xff) { |
| 2225 | c_str[0] = EXT1; |
| 2226 | c_str[1] = (char)code; |
| 2227 | n = 2; |
| 2228 | } |
| 2229 | else if (code <= 0xffff) { |
| 2230 | c_str[0] = EXT2; |
| 2231 | c_str[1] = (char)(code & 0xff); |
| 2232 | c_str[2] = (char)((code >> 8) & 0xff); |
| 2233 | n = 3; |
| 2234 | } |
| 2235 | else { |
| 2236 | c_str[0] = EXT4; |
| 2237 | c_str[1] = (char)(code & 0xff); |
| 2238 | c_str[2] = (char)((code >> 8) & 0xff); |
| 2239 | c_str[3] = (char)((code >> 16) & 0xff); |
| 2240 | c_str[4] = (char)((code >> 24) & 0xff); |
| 2241 | n = 5; |
| 2242 | } |
| 2243 | |
| 2244 | if (self->write_func(self, c_str, n) >= 0) |
| 2245 | res = 0; |
| 2246 | goto finally; /* and don't memoize */ |
| 2247 | } |
| 2248 | |
| 2249 | gen_global: |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2250 | if (self->write_func(self, &global, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2251 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2252 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2253 | if (self->write_func(self, module_str, module_size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2254 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2255 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2256 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2257 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2258 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2259 | if (self->write_func(self, name_str, name_size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2260 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2261 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2262 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2263 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2264 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2265 | if (put(self, args) < 0) |
| 2266 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2267 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2268 | res = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2269 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2270 | finally: |
| 2271 | Py_XDECREF(module); |
| 2272 | Py_XDECREF(global_name); |
| 2273 | Py_XDECREF(mod); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2274 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2275 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2276 | } |
| 2277 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2278 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2279 | save_pers(Picklerobject *self, PyObject *args, PyObject *f) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2280 | { |
| 2281 | PyObject *pid = 0; |
| 2282 | int size, res = -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2283 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2284 | static char persid = PERSID, binpersid = BINPERSID; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2285 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2286 | Py_INCREF(args); |
| 2287 | ARG_TUP(self, args); |
| 2288 | if (self->arg) { |
| 2289 | pid = PyObject_Call(f, self->arg, NULL); |
| 2290 | FREE_ARG_TUP(self); |
| 2291 | } |
| 2292 | if (! pid) return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2293 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2294 | if (pid != Py_None) { |
| 2295 | if (!self->bin) { |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 2296 | if (!PyString_Check(pid)) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2297 | PyErr_SetString(PicklingError, |
| 2298 | "persistent id must be string"); |
| 2299 | goto finally; |
| 2300 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2301 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2302 | if (self->write_func(self, &persid, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2303 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2304 | |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 2305 | if ((size = PyString_Size(pid)) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2306 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2307 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2308 | if (self->write_func(self, |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 2309 | PyString_AS_STRING( |
| 2310 | (PyStringObject *)pid), |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2311 | size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2312 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2313 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2314 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2315 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2316 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2317 | res = 1; |
| 2318 | goto finally; |
| 2319 | } |
| 2320 | else if (save(self, pid, 1) >= 0) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2321 | if (self->write_func(self, &binpersid, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2322 | res = -1; |
| 2323 | else |
| 2324 | res = 1; |
| 2325 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2326 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2327 | goto finally; |
| 2328 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2329 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2330 | res = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2331 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2332 | finally: |
| 2333 | Py_XDECREF(pid); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2334 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2335 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2336 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2337 | |
Tim Peters | 71fcda5 | 2003-02-14 23:05:28 +0000 | [diff] [blame] | 2338 | /* We're saving ob, and args is the 2-thru-5 tuple returned by the |
| 2339 | * appropriate __reduce__ method for ob. |
| 2340 | */ |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2341 | static int |
Amaury Forgeot d'Arc | 69a9c5b | 2008-10-30 21:18:34 +0000 | [diff] [blame] | 2342 | save_reduce(Picklerobject *self, PyObject *args, PyObject *fn, PyObject *ob) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2343 | { |
Tim Peters | 71fcda5 | 2003-02-14 23:05:28 +0000 | [diff] [blame] | 2344 | PyObject *callable; |
| 2345 | PyObject *argtup; |
Amaury Forgeot d'Arc | 69a9c5b | 2008-10-30 21:18:34 +0000 | [diff] [blame] | 2346 | PyObject *state = NULL; |
| 2347 | PyObject *listitems = Py_None; |
| 2348 | PyObject *dictitems = Py_None; |
| 2349 | Py_ssize_t size; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2350 | |
Tim Peters | 71fcda5 | 2003-02-14 23:05:28 +0000 | [diff] [blame] | 2351 | int use_newobj = self->proto >= 2; |
| 2352 | |
| 2353 | static char reduce = REDUCE; |
| 2354 | static char build = BUILD; |
| 2355 | static char newobj = NEWOBJ; |
| 2356 | |
Amaury Forgeot d'Arc | 69a9c5b | 2008-10-30 21:18:34 +0000 | [diff] [blame] | 2357 | size = PyTuple_Size(args); |
| 2358 | if (size < 2 || size > 5) { |
| 2359 | cPickle_ErrFormat(PicklingError, "tuple returned by " |
| 2360 | "%s must contain 2 through 5 elements", |
| 2361 | "O", fn); |
| 2362 | return -1; |
| 2363 | } |
| 2364 | |
Tim Peters | 71fcda5 | 2003-02-14 23:05:28 +0000 | [diff] [blame] | 2365 | if (! PyArg_UnpackTuple(args, "save_reduce", 2, 5, |
| 2366 | &callable, |
| 2367 | &argtup, |
| 2368 | &state, |
| 2369 | &listitems, |
| 2370 | &dictitems)) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2371 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2372 | |
Raymond Hettinger | a6b45cc | 2004-12-07 07:05:57 +0000 | [diff] [blame] | 2373 | if (!PyTuple_Check(argtup)) { |
Amaury Forgeot d'Arc | 69a9c5b | 2008-10-30 21:18:34 +0000 | [diff] [blame] | 2374 | cPickle_ErrFormat(PicklingError, "Second element of " |
| 2375 | "tuple returned by %s must be a tuple", |
| 2376 | "O", fn); |
Raymond Hettinger | a6b45cc | 2004-12-07 07:05:57 +0000 | [diff] [blame] | 2377 | return -1; |
| 2378 | } |
| 2379 | |
Tim Peters | 71fcda5 | 2003-02-14 23:05:28 +0000 | [diff] [blame] | 2380 | if (state == Py_None) |
| 2381 | state = NULL; |
Amaury Forgeot d'Arc | 69a9c5b | 2008-10-30 21:18:34 +0000 | [diff] [blame] | 2382 | |
Tim Peters | 71fcda5 | 2003-02-14 23:05:28 +0000 | [diff] [blame] | 2383 | if (listitems == Py_None) |
| 2384 | listitems = NULL; |
Amaury Forgeot d'Arc | 69a9c5b | 2008-10-30 21:18:34 +0000 | [diff] [blame] | 2385 | else if (!PyIter_Check(listitems)) { |
| 2386 | cPickle_ErrFormat(PicklingError, "Fourth element of " |
| 2387 | "tuple returned by %s must be an iterator, not %s", |
| 2388 | "Os", fn, Py_TYPE(listitems)->tp_name); |
| 2389 | return -1; |
| 2390 | } |
| 2391 | |
Tim Peters | 71fcda5 | 2003-02-14 23:05:28 +0000 | [diff] [blame] | 2392 | if (dictitems == Py_None) |
| 2393 | dictitems = NULL; |
Amaury Forgeot d'Arc | 69a9c5b | 2008-10-30 21:18:34 +0000 | [diff] [blame] | 2394 | else if (!PyIter_Check(dictitems)) { |
| 2395 | cPickle_ErrFormat(PicklingError, "Fifth element of " |
| 2396 | "tuple returned by %s must be an iterator, not %s", |
| 2397 | "Os", fn, Py_TYPE(dictitems)->tp_name); |
| 2398 | return -1; |
| 2399 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2400 | |
Tim Peters | 71fcda5 | 2003-02-14 23:05:28 +0000 | [diff] [blame] | 2401 | /* Protocol 2 special case: if callable's name is __newobj__, use |
| 2402 | * NEWOBJ. This consumes a lot of code. |
| 2403 | */ |
| 2404 | if (use_newobj) { |
| 2405 | PyObject *temp = PyObject_GetAttr(callable, __name___str); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2406 | |
Tim Peters | 71fcda5 | 2003-02-14 23:05:28 +0000 | [diff] [blame] | 2407 | if (temp == NULL) { |
Jeremy Hylton | f00368f | 2003-06-16 20:19:49 +0000 | [diff] [blame] | 2408 | if (PyErr_ExceptionMatches(PyExc_AttributeError)) |
| 2409 | PyErr_Clear(); |
| 2410 | else |
| 2411 | return -1; |
Tim Peters | 71fcda5 | 2003-02-14 23:05:28 +0000 | [diff] [blame] | 2412 | use_newobj = 0; |
| 2413 | } |
| 2414 | else { |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 2415 | use_newobj = PyString_Check(temp) && |
| 2416 | strcmp(PyString_AS_STRING(temp), |
Tim Peters | 71fcda5 | 2003-02-14 23:05:28 +0000 | [diff] [blame] | 2417 | "__newobj__") == 0; |
| 2418 | Py_DECREF(temp); |
| 2419 | } |
| 2420 | } |
| 2421 | if (use_newobj) { |
| 2422 | PyObject *cls; |
| 2423 | PyObject *newargtup; |
| 2424 | int n, i; |
| 2425 | |
| 2426 | /* Sanity checks. */ |
| 2427 | n = PyTuple_Size(argtup); |
| 2428 | if (n < 1) { |
| 2429 | PyErr_SetString(PicklingError, "__newobj__ arglist " |
| 2430 | "is empty"); |
| 2431 | return -1; |
| 2432 | } |
| 2433 | |
| 2434 | cls = PyTuple_GET_ITEM(argtup, 0); |
| 2435 | if (! PyObject_HasAttrString(cls, "__new__")) { |
| 2436 | PyErr_SetString(PicklingError, "args[0] from " |
| 2437 | "__newobj__ args has no __new__"); |
| 2438 | return -1; |
| 2439 | } |
| 2440 | |
| 2441 | /* XXX How could ob be NULL? */ |
| 2442 | if (ob != NULL) { |
| 2443 | PyObject *ob_dot_class; |
| 2444 | |
| 2445 | ob_dot_class = PyObject_GetAttr(ob, __class___str); |
Jeremy Hylton | f00368f | 2003-06-16 20:19:49 +0000 | [diff] [blame] | 2446 | if (ob_dot_class == NULL) { |
| 2447 | if (PyErr_ExceptionMatches( |
| 2448 | PyExc_AttributeError)) |
| 2449 | PyErr_Clear(); |
| 2450 | else |
| 2451 | return -1; |
| 2452 | } |
Tim Peters | 71fcda5 | 2003-02-14 23:05:28 +0000 | [diff] [blame] | 2453 | i = ob_dot_class != cls; /* true iff a problem */ |
| 2454 | Py_XDECREF(ob_dot_class); |
| 2455 | if (i) { |
| 2456 | PyErr_SetString(PicklingError, "args[0] from " |
| 2457 | "__newobj__ args has the wrong class"); |
| 2458 | return -1; |
| 2459 | } |
| 2460 | } |
| 2461 | |
| 2462 | /* Save the class and its __new__ arguments. */ |
| 2463 | if (save(self, cls, 0) < 0) |
| 2464 | return -1; |
| 2465 | |
| 2466 | newargtup = PyTuple_New(n-1); /* argtup[1:] */ |
| 2467 | if (newargtup == NULL) |
| 2468 | return -1; |
| 2469 | for (i = 1; i < n; ++i) { |
| 2470 | PyObject *temp = PyTuple_GET_ITEM(argtup, i); |
| 2471 | Py_INCREF(temp); |
| 2472 | PyTuple_SET_ITEM(newargtup, i-1, temp); |
| 2473 | } |
Neal Norwitz | 5a29dd3 | 2007-10-05 05:01:38 +0000 | [diff] [blame] | 2474 | i = save(self, newargtup, 0); |
Tim Peters | 71fcda5 | 2003-02-14 23:05:28 +0000 | [diff] [blame] | 2475 | Py_DECREF(newargtup); |
| 2476 | if (i < 0) |
| 2477 | return -1; |
| 2478 | |
| 2479 | /* Add NEWOBJ opcode. */ |
| 2480 | if (self->write_func(self, &newobj, 1) < 0) |
| 2481 | return -1; |
| 2482 | } |
| 2483 | else { |
| 2484 | /* Not using NEWOBJ. */ |
| 2485 | if (save(self, callable, 0) < 0 || |
| 2486 | save(self, argtup, 0) < 0 || |
| 2487 | self->write_func(self, &reduce, 1) < 0) |
| 2488 | return -1; |
| 2489 | } |
| 2490 | |
| 2491 | /* Memoize. */ |
| 2492 | /* XXX How can ob be NULL? */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2493 | if (ob != NULL) { |
| 2494 | if (state && !PyDict_Check(state)) { |
| 2495 | if (put2(self, ob) < 0) |
| 2496 | return -1; |
| 2497 | } |
Tim Peters | 71fcda5 | 2003-02-14 23:05:28 +0000 | [diff] [blame] | 2498 | else if (put(self, ob) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2499 | return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2500 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2501 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2502 | |
Tim Peters | 71fcda5 | 2003-02-14 23:05:28 +0000 | [diff] [blame] | 2503 | if (listitems && batch_list(self, listitems) < 0) |
| 2504 | return -1; |
| 2505 | |
| 2506 | if (dictitems && batch_dict(self, dictitems) < 0) |
| 2507 | return -1; |
| 2508 | |
| 2509 | if (state) { |
| 2510 | if (save(self, state, 0) < 0 || |
| 2511 | self->write_func(self, &build, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2512 | return -1; |
| 2513 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2514 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2515 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2516 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2517 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2518 | static int |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 2519 | save(Picklerobject *self, PyObject *args, int pers_save) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2520 | { |
| 2521 | PyTypeObject *type; |
Tim Peters | 71fcda5 | 2003-02-14 23:05:28 +0000 | [diff] [blame] | 2522 | PyObject *py_ob_id = 0, *__reduce__ = 0, *t = 0; |
Tim Peters | 71fcda5 | 2003-02-14 23:05:28 +0000 | [diff] [blame] | 2523 | int res = -1; |
Amaury Forgeot d'Arc | 69a9c5b | 2008-10-30 21:18:34 +0000 | [diff] [blame] | 2524 | int tmp; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2525 | |
Facundo Batista | 763d309 | 2008-06-30 01:10:55 +0000 | [diff] [blame] | 2526 | if (Py_EnterRecursiveCall(" while pickling an object")) |
| 2527 | return -1; |
Martin v. Löwis | 5a39530 | 2002-08-04 08:20:23 +0000 | [diff] [blame] | 2528 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2529 | if (!pers_save && self->pers_func) { |
| 2530 | if ((tmp = save_pers(self, args, self->pers_func)) != 0) { |
| 2531 | res = tmp; |
| 2532 | goto finally; |
| 2533 | } |
| 2534 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2535 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2536 | if (args == Py_None) { |
| 2537 | res = save_none(self, args); |
| 2538 | goto finally; |
| 2539 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2540 | |
Christian Heimes | e93237d | 2007-12-19 02:37:44 +0000 | [diff] [blame] | 2541 | type = Py_TYPE(args); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2542 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2543 | switch (type->tp_name[0]) { |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 2544 | case 'b': |
| 2545 | if (args == Py_False || args == Py_True) { |
| 2546 | res = save_bool(self, args); |
| 2547 | goto finally; |
| 2548 | } |
| 2549 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2550 | case 'i': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2551 | if (type == &PyInt_Type) { |
| 2552 | res = save_int(self, args); |
| 2553 | goto finally; |
| 2554 | } |
| 2555 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2556 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2557 | case 'l': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2558 | if (type == &PyLong_Type) { |
| 2559 | res = save_long(self, args); |
| 2560 | goto finally; |
| 2561 | } |
| 2562 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2563 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2564 | case 'f': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2565 | if (type == &PyFloat_Type) { |
| 2566 | res = save_float(self, args); |
| 2567 | goto finally; |
| 2568 | } |
| 2569 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2570 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2571 | case 't': |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 2572 | if (type == &PyTuple_Type && PyTuple_Size(args) == 0) { |
| 2573 | res = save_tuple(self, args); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2574 | goto finally; |
| 2575 | } |
| 2576 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2577 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2578 | case 's': |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 2579 | if ((type == &PyString_Type) && (PyString_GET_SIZE(args) < 2)) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2580 | res = save_string(self, args, 0); |
| 2581 | goto finally; |
| 2582 | } |
Facundo Batista | 1461886 | 2008-06-22 15:27:10 +0000 | [diff] [blame] | 2583 | break; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2584 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2585 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2586 | case 'u': |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 2587 | if ((type == &PyUnicode_Type) && (PyString_GET_SIZE(args) < 2)) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2588 | res = save_unicode(self, args, 0); |
| 2589 | goto finally; |
| 2590 | } |
Facundo Batista | 1461886 | 2008-06-22 15:27:10 +0000 | [diff] [blame] | 2591 | break; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2592 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2593 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2594 | |
Christian Heimes | e93237d | 2007-12-19 02:37:44 +0000 | [diff] [blame] | 2595 | if (Py_REFCNT(args) > 1) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2596 | if (!( py_ob_id = PyLong_FromVoidPtr(args))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2597 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2598 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2599 | if (PyDict_GetItem(self->memo, py_ob_id)) { |
| 2600 | if (get(self, py_ob_id) < 0) |
| 2601 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2602 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2603 | res = 0; |
| 2604 | goto finally; |
| 2605 | } |
| 2606 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2607 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2608 | switch (type->tp_name[0]) { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2609 | case 's': |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 2610 | if (type == &PyString_Type) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2611 | res = save_string(self, args, 1); |
| 2612 | goto finally; |
| 2613 | } |
| 2614 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2615 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2616 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2617 | case 'u': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2618 | if (type == &PyUnicode_Type) { |
| 2619 | res = save_unicode(self, args, 1); |
| 2620 | goto finally; |
| 2621 | } |
| 2622 | break; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2623 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2624 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2625 | case 't': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2626 | if (type == &PyTuple_Type) { |
| 2627 | res = save_tuple(self, args); |
| 2628 | goto finally; |
| 2629 | } |
| 2630 | if (type == &PyType_Type) { |
| 2631 | res = save_global(self, args, NULL); |
| 2632 | goto finally; |
| 2633 | } |
| 2634 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2635 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2636 | case 'l': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2637 | if (type == &PyList_Type) { |
| 2638 | res = save_list(self, args); |
| 2639 | goto finally; |
| 2640 | } |
| 2641 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2642 | |
| 2643 | case 'd': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2644 | if (type == &PyDict_Type) { |
| 2645 | res = save_dict(self, args); |
| 2646 | goto finally; |
| 2647 | } |
| 2648 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2649 | |
| 2650 | case 'i': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2651 | if (type == &PyInstance_Type) { |
| 2652 | res = save_inst(self, args); |
| 2653 | goto finally; |
| 2654 | } |
| 2655 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2656 | |
| 2657 | case 'c': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2658 | if (type == &PyClass_Type) { |
| 2659 | res = save_global(self, args, NULL); |
| 2660 | goto finally; |
| 2661 | } |
| 2662 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2663 | |
| 2664 | case 'f': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2665 | if (type == &PyFunction_Type) { |
| 2666 | res = save_global(self, args, NULL); |
Christian Tismer | 2460c62 | 2004-02-26 16:21:45 +0000 | [diff] [blame] | 2667 | if (res && PyErr_ExceptionMatches(PickleError)) { |
| 2668 | /* fall back to reduce */ |
| 2669 | PyErr_Clear(); |
| 2670 | break; |
| 2671 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2672 | goto finally; |
| 2673 | } |
| 2674 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2675 | |
| 2676 | case 'b': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2677 | if (type == &PyCFunction_Type) { |
| 2678 | res = save_global(self, args, NULL); |
| 2679 | goto finally; |
| 2680 | } |
| 2681 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2682 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2683 | if (!pers_save && self->inst_pers_func) { |
| 2684 | if ((tmp = save_pers(self, args, self->inst_pers_func)) != 0) { |
| 2685 | res = tmp; |
| 2686 | goto finally; |
| 2687 | } |
| 2688 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2689 | |
Jeremy Hylton | 39c6116 | 2002-07-16 19:47:43 +0000 | [diff] [blame] | 2690 | if (PyType_IsSubtype(type, &PyType_Type)) { |
| 2691 | res = save_global(self, args, NULL); |
| 2692 | goto finally; |
| 2693 | } |
| 2694 | |
Guido van Rossum | b289b87 | 2003-02-19 01:45:13 +0000 | [diff] [blame] | 2695 | /* Get a reduction callable, and call it. This may come from |
Georg Brandl | dffbf5f | 2008-05-20 07:49:57 +0000 | [diff] [blame] | 2696 | * copy_reg.dispatch_table, the object's __reduce_ex__ method, |
Guido van Rossum | b289b87 | 2003-02-19 01:45:13 +0000 | [diff] [blame] | 2697 | * or the object's __reduce__ method. |
Tim Peters | 71fcda5 | 2003-02-14 23:05:28 +0000 | [diff] [blame] | 2698 | */ |
Tim Peters | 5aa3da6 | 2003-02-13 21:03:57 +0000 | [diff] [blame] | 2699 | __reduce__ = PyDict_GetItem(dispatch_table, (PyObject *)type); |
| 2700 | if (__reduce__ != NULL) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2701 | Py_INCREF(__reduce__); |
Guido van Rossum | b289b87 | 2003-02-19 01:45:13 +0000 | [diff] [blame] | 2702 | Py_INCREF(args); |
| 2703 | ARG_TUP(self, args); |
| 2704 | if (self->arg) { |
| 2705 | t = PyObject_Call(__reduce__, self->arg, NULL); |
| 2706 | FREE_ARG_TUP(self); |
| 2707 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2708 | } |
| 2709 | else { |
Guido van Rossum | b289b87 | 2003-02-19 01:45:13 +0000 | [diff] [blame] | 2710 | /* Check for a __reduce_ex__ method. */ |
| 2711 | __reduce__ = PyObject_GetAttr(args, __reduce_ex___str); |
| 2712 | if (__reduce__ != NULL) { |
| 2713 | t = PyInt_FromLong(self->proto); |
| 2714 | if (t != NULL) { |
| 2715 | ARG_TUP(self, t); |
| 2716 | t = NULL; |
| 2717 | if (self->arg) { |
| 2718 | t = PyObject_Call(__reduce__, |
| 2719 | self->arg, NULL); |
| 2720 | FREE_ARG_TUP(self); |
| 2721 | } |
| 2722 | } |
| 2723 | } |
| 2724 | else { |
Jeremy Hylton | f00368f | 2003-06-16 20:19:49 +0000 | [diff] [blame] | 2725 | if (PyErr_ExceptionMatches(PyExc_AttributeError)) |
| 2726 | PyErr_Clear(); |
| 2727 | else |
| 2728 | goto finally; |
Guido van Rossum | b289b87 | 2003-02-19 01:45:13 +0000 | [diff] [blame] | 2729 | /* Check for a __reduce__ method. */ |
| 2730 | __reduce__ = PyObject_GetAttr(args, __reduce___str); |
| 2731 | if (__reduce__ != NULL) { |
| 2732 | t = PyObject_Call(__reduce__, |
| 2733 | empty_tuple, NULL); |
| 2734 | } |
| 2735 | else { |
| 2736 | PyErr_SetObject(UnpickleableError, args); |
| 2737 | goto finally; |
| 2738 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2739 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2740 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2741 | |
Tim Peters | 71fcda5 | 2003-02-14 23:05:28 +0000 | [diff] [blame] | 2742 | if (t == NULL) |
| 2743 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2744 | |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 2745 | if (PyString_Check(t)) { |
Tim Peters | 71fcda5 | 2003-02-14 23:05:28 +0000 | [diff] [blame] | 2746 | res = save_global(self, args, t); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2747 | goto finally; |
| 2748 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2749 | |
Amaury Forgeot d'Arc | 69a9c5b | 2008-10-30 21:18:34 +0000 | [diff] [blame] | 2750 | if (!PyTuple_Check(t)) { |
Tim Peters | 71fcda5 | 2003-02-14 23:05:28 +0000 | [diff] [blame] | 2751 | cPickle_ErrFormat(PicklingError, "Value returned by " |
| 2752 | "%s must be string or tuple", |
| 2753 | "O", __reduce__); |
| 2754 | goto finally; |
| 2755 | } |
| 2756 | |
Amaury Forgeot d'Arc | 69a9c5b | 2008-10-30 21:18:34 +0000 | [diff] [blame] | 2757 | res = save_reduce(self, t, __reduce__, args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2758 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2759 | finally: |
Facundo Batista | 763d309 | 2008-06-30 01:10:55 +0000 | [diff] [blame] | 2760 | Py_LeaveRecursiveCall(); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2761 | Py_XDECREF(py_ob_id); |
| 2762 | Py_XDECREF(__reduce__); |
| 2763 | Py_XDECREF(t); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2764 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2765 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2766 | } |
| 2767 | |
| 2768 | |
| 2769 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2770 | dump(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2771 | { |
| 2772 | static char stop = STOP; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2773 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 2774 | if (self->proto >= 2) { |
| 2775 | char bytes[2]; |
| 2776 | |
| 2777 | bytes[0] = PROTO; |
Tim Peters | 87482ea | 2003-02-02 16:16:30 +0000 | [diff] [blame] | 2778 | assert(self->proto >= 0 && self->proto < 256); |
| 2779 | bytes[1] = (char)self->proto; |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 2780 | if (self->write_func(self, bytes, 2) < 0) |
| 2781 | return -1; |
| 2782 | } |
| 2783 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2784 | if (save(self, args, 0) < 0) |
| 2785 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2786 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 2787 | if (self->write_func(self, &stop, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2788 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2789 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 2790 | if (self->write_func(self, NULL, 0) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2791 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2792 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2793 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2794 | } |
| 2795 | |
| 2796 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2797 | Pickle_clear_memo(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2798 | { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2799 | if (self->memo) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2800 | PyDict_Clear(self->memo); |
| 2801 | Py_INCREF(Py_None); |
| 2802 | return Py_None; |
| 2803 | } |
| 2804 | |
| 2805 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2806 | Pickle_getvalue(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2807 | { |
| 2808 | int l, i, rsize, ssize, clear=1, lm; |
| 2809 | long ik; |
| 2810 | PyObject *k, *r; |
| 2811 | char *s, *p, *have_get; |
| 2812 | Pdata *data; |
| 2813 | |
| 2814 | /* Can be called by Python code or C code */ |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2815 | if (args && !PyArg_ParseTuple(args, "|i:getvalue", &clear)) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2816 | return NULL; |
| 2817 | |
| 2818 | /* Check to make sure we are based on a list */ |
| 2819 | if (! Pdata_Check(self->file)) { |
| 2820 | PyErr_SetString(PicklingError, |
| 2821 | "Attempt to getvalue() a non-list-based pickler"); |
| 2822 | return NULL; |
| 2823 | } |
| 2824 | |
| 2825 | /* flush write buffer */ |
| 2826 | if (write_other(self, NULL, 0) < 0) return NULL; |
| 2827 | |
| 2828 | data=(Pdata*)self->file; |
| 2829 | l=data->length; |
| 2830 | |
| 2831 | /* set up an array to hold get/put status */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2832 | lm = PyDict_Size(self->memo); |
| 2833 | if (lm < 0) return NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2834 | lm++; |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2835 | have_get = malloc(lm); |
| 2836 | if (have_get == NULL) return PyErr_NoMemory(); |
| 2837 | memset(have_get, 0, lm); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2838 | |
| 2839 | /* Scan for gets. */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2840 | for (rsize = 0, i = l; --i >= 0; ) { |
| 2841 | k = data->data[i]; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2842 | |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 2843 | if (PyString_Check(k)) |
| 2844 | rsize += PyString_GET_SIZE(k); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2845 | |
| 2846 | else if (PyInt_Check(k)) { /* put */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2847 | ik = PyInt_AS_LONG((PyIntObject*)k); |
| 2848 | if (ik >= lm || ik == 0) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2849 | PyErr_SetString(PicklingError, |
| 2850 | "Invalid get data"); |
Neal Norwitz | 98a9600 | 2006-07-23 07:57:11 +0000 | [diff] [blame] | 2851 | goto err; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2852 | } |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2853 | if (have_get[ik]) /* with matching get */ |
| 2854 | rsize += ik < 256 ? 2 : 5; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2855 | } |
| 2856 | |
| 2857 | else if (! (PyTuple_Check(k) && |
| 2858 | PyTuple_GET_SIZE(k) == 2 && |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2859 | PyInt_Check((k = PyTuple_GET_ITEM(k, 0)))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2860 | ) { |
| 2861 | PyErr_SetString(PicklingError, |
| 2862 | "Unexpected data in internal list"); |
Neal Norwitz | 98a9600 | 2006-07-23 07:57:11 +0000 | [diff] [blame] | 2863 | goto err; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2864 | } |
| 2865 | |
| 2866 | else { /* put */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2867 | ik = PyInt_AS_LONG((PyIntObject *)k); |
| 2868 | if (ik >= lm || ik == 0) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2869 | PyErr_SetString(PicklingError, |
| 2870 | "Invalid get data"); |
| 2871 | return NULL; |
| 2872 | } |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2873 | have_get[ik] = 1; |
| 2874 | rsize += ik < 256 ? 2 : 5; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2875 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2876 | } |
| 2877 | |
| 2878 | /* Now generate the result */ |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 2879 | r = PyString_FromStringAndSize(NULL, rsize); |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2880 | if (r == NULL) goto err; |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 2881 | s = PyString_AS_STRING((PyStringObject *)r); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2882 | |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2883 | for (i = 0; i < l; i++) { |
| 2884 | k = data->data[i]; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2885 | |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 2886 | if (PyString_Check(k)) { |
| 2887 | ssize = PyString_GET_SIZE(k); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2888 | if (ssize) { |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 2889 | p=PyString_AS_STRING((PyStringObject *)k); |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2890 | while (--ssize >= 0) |
| 2891 | *s++ = *p++; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2892 | } |
| 2893 | } |
| 2894 | |
| 2895 | else if (PyTuple_Check(k)) { /* get */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2896 | ik = PyInt_AS_LONG((PyIntObject *) |
| 2897 | PyTuple_GET_ITEM(k, 0)); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2898 | if (ik < 256) { |
| 2899 | *s++ = BINGET; |
| 2900 | *s++ = (int)(ik & 0xff); |
| 2901 | } |
| 2902 | else { |
| 2903 | *s++ = LONG_BINGET; |
| 2904 | *s++ = (int)(ik & 0xff); |
| 2905 | *s++ = (int)((ik >> 8) & 0xff); |
| 2906 | *s++ = (int)((ik >> 16) & 0xff); |
| 2907 | *s++ = (int)((ik >> 24) & 0xff); |
| 2908 | } |
| 2909 | } |
| 2910 | |
| 2911 | else { /* put */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2912 | ik = PyInt_AS_LONG((PyIntObject*)k); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2913 | |
| 2914 | if (have_get[ik]) { /* with matching get */ |
| 2915 | if (ik < 256) { |
| 2916 | *s++ = BINPUT; |
| 2917 | *s++ = (int)(ik & 0xff); |
| 2918 | } |
| 2919 | else { |
| 2920 | *s++ = LONG_BINPUT; |
| 2921 | *s++ = (int)(ik & 0xff); |
| 2922 | *s++ = (int)((ik >> 8) & 0xff); |
| 2923 | *s++ = (int)((ik >> 16) & 0xff); |
| 2924 | *s++ = (int)((ik >> 24) & 0xff); |
| 2925 | } |
| 2926 | } |
| 2927 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2928 | } |
| 2929 | |
| 2930 | if (clear) { |
| 2931 | PyDict_Clear(self->memo); |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2932 | Pdata_clear(data, 0); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2933 | } |
| 2934 | |
| 2935 | free(have_get); |
| 2936 | return r; |
| 2937 | err: |
| 2938 | free(have_get); |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2939 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2940 | } |
| 2941 | |
| 2942 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2943 | Pickler_dump(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2944 | { |
| 2945 | PyObject *ob; |
| 2946 | int get=0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2947 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2948 | if (!( PyArg_ParseTuple(args, "O|i:dump", &ob, &get))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2949 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2950 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2951 | if (dump(self, ob) < 0) |
| 2952 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2953 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2954 | if (get) return Pickle_getvalue(self, NULL); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2955 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2956 | /* XXX Why does dump() return self? */ |
| 2957 | Py_INCREF(self); |
| 2958 | return (PyObject*)self; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2959 | } |
| 2960 | |
| 2961 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2962 | static struct PyMethodDef Pickler_methods[] = |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2963 | { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 2964 | {"dump", (PyCFunction)Pickler_dump, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 2965 | PyDoc_STR("dump(object) -- " |
| 2966 | "Write an object in pickle format to the object's pickle stream")}, |
Fred Drake | 0ebacc8 | 2002-05-01 20:36:39 +0000 | [diff] [blame] | 2967 | {"clear_memo", (PyCFunction)Pickle_clear_memo, METH_NOARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 2968 | PyDoc_STR("clear_memo() -- Clear the picklers memo")}, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 2969 | {"getvalue", (PyCFunction)Pickle_getvalue, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 2970 | PyDoc_STR("getvalue() -- Finish picking a list-based pickle")}, |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2971 | {NULL, NULL} /* sentinel */ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2972 | }; |
| 2973 | |
| 2974 | |
| 2975 | static Picklerobject * |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2976 | newPicklerobject(PyObject *file, int proto) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2977 | { |
| 2978 | Picklerobject *self; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2979 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2980 | if (proto < 0) |
Tim Peters | 8587b3c | 2003-02-13 15:44:41 +0000 | [diff] [blame] | 2981 | proto = HIGHEST_PROTOCOL; |
| 2982 | if (proto > HIGHEST_PROTOCOL) { |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2983 | PyErr_Format(PyExc_ValueError, "pickle protocol %d asked for; " |
| 2984 | "the highest available protocol is %d", |
Tim Peters | 8587b3c | 2003-02-13 15:44:41 +0000 | [diff] [blame] | 2985 | proto, HIGHEST_PROTOCOL); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2986 | return NULL; |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2987 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2988 | |
Jeremy Hylton | 4cf6319 | 2003-04-09 21:05:12 +0000 | [diff] [blame] | 2989 | self = PyObject_GC_New(Picklerobject, &Picklertype); |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2990 | if (self == NULL) |
| 2991 | return NULL; |
| 2992 | self->proto = proto; |
| 2993 | self->bin = proto > 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2994 | self->fp = NULL; |
| 2995 | self->write = NULL; |
| 2996 | self->memo = NULL; |
| 2997 | self->arg = NULL; |
| 2998 | self->pers_func = NULL; |
| 2999 | self->inst_pers_func = NULL; |
| 3000 | self->write_buf = NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3001 | self->fast = 0; |
| 3002 | self->fast_container = 0; |
| 3003 | self->fast_memo = NULL; |
| 3004 | self->buf_size = 0; |
| 3005 | self->dispatch_table = NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 3006 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 3007 | self->file = NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3008 | if (file) |
| 3009 | Py_INCREF(file); |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 3010 | else { |
| 3011 | file = Pdata_New(); |
| 3012 | if (file == NULL) |
| 3013 | goto err; |
| 3014 | } |
| 3015 | self->file = file; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 3016 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3017 | if (!( self->memo = PyDict_New())) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3018 | goto err; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 3019 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3020 | if (PyFile_Check(file)) { |
| 3021 | self->fp = PyFile_AsFile(file); |
| 3022 | if (self->fp == NULL) { |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 3023 | PyErr_SetString(PyExc_ValueError, |
| 3024 | "I/O operation on closed file"); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3025 | goto err; |
| 3026 | } |
| 3027 | self->write_func = write_file; |
Guido van Rossum | c91fcaa | 1999-03-29 20:00:14 +0000 | [diff] [blame] | 3028 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3029 | else if (PycStringIO_OutputCheck(file)) { |
| 3030 | self->write_func = write_cStringIO; |
| 3031 | } |
| 3032 | else if (file == Py_None) { |
| 3033 | self->write_func = write_none; |
| 3034 | } |
| 3035 | else { |
| 3036 | self->write_func = write_other; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 3037 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3038 | if (! Pdata_Check(file)) { |
| 3039 | self->write = PyObject_GetAttr(file, write_str); |
| 3040 | if (!self->write) { |
| 3041 | PyErr_Clear(); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3042 | PyErr_SetString(PyExc_TypeError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3043 | "argument must have 'write' " |
| 3044 | "attribute"); |
| 3045 | goto err; |
| 3046 | } |
| 3047 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 3048 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 3049 | self->write_buf = (char *)PyMem_Malloc(WRITE_BUF_SIZE); |
| 3050 | if (self->write_buf == NULL) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3051 | PyErr_NoMemory(); |
| 3052 | goto err; |
| 3053 | } |
| 3054 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 3055 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3056 | if (PyEval_GetRestricted()) { |
| 3057 | /* Restricted execution, get private tables */ |
Alexandre Vassalotti | 9510e4a | 2008-05-11 08:25:28 +0000 | [diff] [blame] | 3058 | PyObject *m = PyImport_Import(copyreg_str); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3059 | |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 3060 | if (m == NULL) |
| 3061 | goto err; |
| 3062 | self->dispatch_table = PyObject_GetAttr(m, dispatch_table_str); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3063 | Py_DECREF(m); |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 3064 | if (self->dispatch_table == NULL) |
| 3065 | goto err; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3066 | } |
| 3067 | else { |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 3068 | self->dispatch_table = dispatch_table; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3069 | Py_INCREF(dispatch_table); |
| 3070 | } |
Jeremy Hylton | 4cf6319 | 2003-04-09 21:05:12 +0000 | [diff] [blame] | 3071 | PyObject_GC_Track(self); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3072 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3073 | return self; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3074 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3075 | err: |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 3076 | Py_DECREF(self); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3077 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 3078 | } |
| 3079 | |
| 3080 | |
| 3081 | static PyObject * |
Martin v. Löwis | 544f119 | 2004-07-27 05:22:33 +0000 | [diff] [blame] | 3082 | get_Pickler(PyObject *self, PyObject *args, PyObject *kwds) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3083 | { |
Martin v. Löwis | 15e6274 | 2006-02-27 16:46:16 +0000 | [diff] [blame] | 3084 | static char *kwlist[] = {"file", "protocol", NULL}; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3085 | PyObject *file = NULL; |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 3086 | int proto = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 3087 | |
Tim Peters | 92c8bb3 | 2003-02-13 23:00:26 +0000 | [diff] [blame] | 3088 | /* XXX |
Martin v. Löwis | 544f119 | 2004-07-27 05:22:33 +0000 | [diff] [blame] | 3089 | * The documented signature is Pickler(file, protocol=0), but this |
Tim Peters | 92c8bb3 | 2003-02-13 23:00:26 +0000 | [diff] [blame] | 3090 | * accepts Pickler() and Pickler(integer) too. The meaning then |
| 3091 | * is clear as mud, undocumented, and not supported by pickle.py. |
| 3092 | * I'm told Zope uses this, but I haven't traced into this code |
| 3093 | * far enough to figure out what it means. |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 3094 | */ |
| 3095 | if (!PyArg_ParseTuple(args, "|i:Pickler", &proto)) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3096 | PyErr_Clear(); |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 3097 | proto = 0; |
Martin v. Löwis | 544f119 | 2004-07-27 05:22:33 +0000 | [diff] [blame] | 3098 | if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|i:Pickler", |
| 3099 | kwlist, &file, &proto)) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3100 | return NULL; |
| 3101 | } |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 3102 | return (PyObject *)newPicklerobject(file, proto); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 3103 | } |
| 3104 | |
| 3105 | |
| 3106 | static void |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3107 | Pickler_dealloc(Picklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3108 | { |
Jeremy Hylton | 4cf6319 | 2003-04-09 21:05:12 +0000 | [diff] [blame] | 3109 | PyObject_GC_UnTrack(self); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3110 | Py_XDECREF(self->write); |
| 3111 | Py_XDECREF(self->memo); |
| 3112 | Py_XDECREF(self->fast_memo); |
| 3113 | Py_XDECREF(self->arg); |
| 3114 | Py_XDECREF(self->file); |
| 3115 | Py_XDECREF(self->pers_func); |
| 3116 | Py_XDECREF(self->inst_pers_func); |
| 3117 | Py_XDECREF(self->dispatch_table); |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 3118 | PyMem_Free(self->write_buf); |
Christian Heimes | e93237d | 2007-12-19 02:37:44 +0000 | [diff] [blame] | 3119 | Py_TYPE(self)->tp_free((PyObject *)self); |
Jeremy Hylton | 4cf6319 | 2003-04-09 21:05:12 +0000 | [diff] [blame] | 3120 | } |
| 3121 | |
| 3122 | static int |
| 3123 | Pickler_traverse(Picklerobject *self, visitproc visit, void *arg) |
| 3124 | { |
Thomas Wouters | c6e5506 | 2006-04-15 21:47:09 +0000 | [diff] [blame] | 3125 | Py_VISIT(self->write); |
| 3126 | Py_VISIT(self->memo); |
| 3127 | Py_VISIT(self->fast_memo); |
| 3128 | Py_VISIT(self->arg); |
| 3129 | Py_VISIT(self->file); |
| 3130 | Py_VISIT(self->pers_func); |
| 3131 | Py_VISIT(self->inst_pers_func); |
| 3132 | Py_VISIT(self->dispatch_table); |
Jeremy Hylton | 4cf6319 | 2003-04-09 21:05:12 +0000 | [diff] [blame] | 3133 | return 0; |
| 3134 | } |
| 3135 | |
| 3136 | static int |
| 3137 | Pickler_clear(Picklerobject *self) |
| 3138 | { |
Thomas Wouters | edf17d8 | 2006-04-15 17:28:34 +0000 | [diff] [blame] | 3139 | Py_CLEAR(self->write); |
| 3140 | Py_CLEAR(self->memo); |
| 3141 | Py_CLEAR(self->fast_memo); |
| 3142 | Py_CLEAR(self->arg); |
| 3143 | Py_CLEAR(self->file); |
| 3144 | Py_CLEAR(self->pers_func); |
| 3145 | Py_CLEAR(self->inst_pers_func); |
| 3146 | Py_CLEAR(self->dispatch_table); |
Jeremy Hylton | 4cf6319 | 2003-04-09 21:05:12 +0000 | [diff] [blame] | 3147 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 3148 | } |
| 3149 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 3150 | static PyObject * |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 3151 | Pickler_get_pers_func(Picklerobject *p) |
| 3152 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3153 | if (p->pers_func == NULL) |
| 3154 | PyErr_SetString(PyExc_AttributeError, "persistent_id"); |
| 3155 | else |
| 3156 | Py_INCREF(p->pers_func); |
| 3157 | return p->pers_func; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 3158 | } |
| 3159 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 3160 | static int |
| 3161 | Pickler_set_pers_func(Picklerobject *p, PyObject *v) |
| 3162 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3163 | if (v == NULL) { |
| 3164 | PyErr_SetString(PyExc_TypeError, |
| 3165 | "attribute deletion is not supported"); |
| 3166 | return -1; |
| 3167 | } |
| 3168 | Py_XDECREF(p->pers_func); |
| 3169 | Py_INCREF(v); |
| 3170 | p->pers_func = v; |
| 3171 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 3172 | } |
| 3173 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 3174 | static int |
| 3175 | Pickler_set_inst_pers_func(Picklerobject *p, PyObject *v) |
| 3176 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3177 | if (v == NULL) { |
| 3178 | PyErr_SetString(PyExc_TypeError, |
| 3179 | "attribute deletion is not supported"); |
| 3180 | return -1; |
| 3181 | } |
| 3182 | Py_XDECREF(p->inst_pers_func); |
| 3183 | Py_INCREF(v); |
| 3184 | p->inst_pers_func = v; |
| 3185 | return 0; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 3186 | } |
| 3187 | |
| 3188 | static PyObject * |
| 3189 | Pickler_get_memo(Picklerobject *p) |
| 3190 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3191 | if (p->memo == NULL) |
| 3192 | PyErr_SetString(PyExc_AttributeError, "memo"); |
| 3193 | else |
| 3194 | Py_INCREF(p->memo); |
| 3195 | return p->memo; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 3196 | } |
| 3197 | |
| 3198 | static int |
| 3199 | Pickler_set_memo(Picklerobject *p, PyObject *v) |
| 3200 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3201 | if (v == NULL) { |
| 3202 | PyErr_SetString(PyExc_TypeError, |
| 3203 | "attribute deletion is not supported"); |
| 3204 | return -1; |
| 3205 | } |
| 3206 | if (!PyDict_Check(v)) { |
| 3207 | PyErr_SetString(PyExc_TypeError, "memo must be a dictionary"); |
| 3208 | return -1; |
| 3209 | } |
| 3210 | Py_XDECREF(p->memo); |
| 3211 | Py_INCREF(v); |
| 3212 | p->memo = v; |
| 3213 | return 0; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 3214 | } |
| 3215 | |
| 3216 | static PyObject * |
| 3217 | Pickler_get_error(Picklerobject *p) |
| 3218 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3219 | /* why is this an attribute on the Pickler? */ |
| 3220 | Py_INCREF(PicklingError); |
| 3221 | return PicklingError; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 3222 | } |
| 3223 | |
| 3224 | static PyMemberDef Pickler_members[] = { |
| 3225 | {"binary", T_INT, offsetof(Picklerobject, bin)}, |
| 3226 | {"fast", T_INT, offsetof(Picklerobject, fast)}, |
Jeremy Hylton | 3eb46f3 | 2001-10-16 17:10:49 +0000 | [diff] [blame] | 3227 | {NULL} |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 3228 | }; |
| 3229 | |
| 3230 | static PyGetSetDef Pickler_getsets[] = { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3231 | {"persistent_id", (getter)Pickler_get_pers_func, |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 3232 | (setter)Pickler_set_pers_func}, |
| 3233 | {"inst_persistent_id", NULL, (setter)Pickler_set_inst_pers_func}, |
| 3234 | {"memo", (getter)Pickler_get_memo, (setter)Pickler_set_memo}, |
Jeremy Hylton | 3eb46f3 | 2001-10-16 17:10:49 +0000 | [diff] [blame] | 3235 | {"PicklingError", (getter)Pickler_get_error, NULL}, |
| 3236 | {NULL} |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 3237 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 3238 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 3239 | PyDoc_STRVAR(Picklertype__doc__, |
| 3240 | "Objects that know how to pickle objects\n"); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 3241 | |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 3242 | static PyTypeObject Picklertype = { |
Martin v. Löwis | 6819210 | 2007-07-21 06:55:02 +0000 | [diff] [blame] | 3243 | PyVarObject_HEAD_INIT(NULL, 0) |
Guido van Rossum | 1464839 | 2001-12-08 18:02:58 +0000 | [diff] [blame] | 3244 | "cPickle.Pickler", /*tp_name*/ |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 3245 | sizeof(Picklerobject), /*tp_basicsize*/ |
| 3246 | 0, |
| 3247 | (destructor)Pickler_dealloc, /* tp_dealloc */ |
| 3248 | 0, /* tp_print */ |
| 3249 | 0, /* tp_getattr */ |
| 3250 | 0, /* tp_setattr */ |
| 3251 | 0, /* tp_compare */ |
| 3252 | 0, /* tp_repr */ |
| 3253 | 0, /* tp_as_number */ |
| 3254 | 0, /* tp_as_sequence */ |
| 3255 | 0, /* tp_as_mapping */ |
| 3256 | 0, /* tp_hash */ |
| 3257 | 0, /* tp_call */ |
| 3258 | 0, /* tp_str */ |
Jason Tishler | fb8595d | 2003-01-06 12:41:26 +0000 | [diff] [blame] | 3259 | PyObject_GenericGetAttr, /* tp_getattro */ |
| 3260 | PyObject_GenericSetAttr, /* tp_setattro */ |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 3261 | 0, /* tp_as_buffer */ |
Jeremy Hylton | 4cf6319 | 2003-04-09 21:05:12 +0000 | [diff] [blame] | 3262 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC, |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 3263 | Picklertype__doc__, /* tp_doc */ |
Jeremy Hylton | 4cf6319 | 2003-04-09 21:05:12 +0000 | [diff] [blame] | 3264 | (traverseproc)Pickler_traverse, /* tp_traverse */ |
| 3265 | (inquiry)Pickler_clear, /* tp_clear */ |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 3266 | 0, /* tp_richcompare */ |
| 3267 | 0, /* tp_weaklistoffset */ |
| 3268 | 0, /* tp_iter */ |
| 3269 | 0, /* tp_iternext */ |
| 3270 | Pickler_methods, /* tp_methods */ |
| 3271 | Pickler_members, /* tp_members */ |
| 3272 | Pickler_getsets, /* tp_getset */ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 3273 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 3274 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 3275 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3276 | find_class(PyObject *py_module_name, PyObject *py_global_name, PyObject *fc) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3277 | { |
| 3278 | PyObject *global = 0, *module; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 3279 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3280 | if (fc) { |
| 3281 | if (fc==Py_None) { |
Tim Peters | 92c8bb3 | 2003-02-13 23:00:26 +0000 | [diff] [blame] | 3282 | PyErr_SetString(UnpicklingError, "Global and instance " |
| 3283 | "pickles are not supported."); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3284 | return NULL; |
| 3285 | } |
Georg Brandl | 684fd0c | 2006-05-25 19:15:31 +0000 | [diff] [blame] | 3286 | return PyObject_CallFunctionObjArgs(fc, py_module_name, |
| 3287 | py_global_name, NULL); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3288 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 3289 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3290 | module = PySys_GetObject("modules"); |
| 3291 | if (module == NULL) |
| 3292 | return NULL; |
Jeremy Hylton | d105523 | 1998-08-11 19:52:51 +0000 | [diff] [blame] | 3293 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3294 | module = PyDict_GetItem(module, py_module_name); |
| 3295 | if (module == NULL) { |
| 3296 | module = PyImport_Import(py_module_name); |
| 3297 | if (!module) |
| 3298 | return NULL; |
| 3299 | global = PyObject_GetAttr(module, py_global_name); |
| 3300 | Py_DECREF(module); |
| 3301 | } |
| 3302 | else |
| 3303 | global = PyObject_GetAttr(module, py_global_name); |
| 3304 | return global; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 3305 | } |
| 3306 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 3307 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3308 | marker(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3309 | { |
| 3310 | if (self->num_marks < 1) { |
| 3311 | PyErr_SetString(UnpicklingError, "could not find MARK"); |
| 3312 | return -1; |
| 3313 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3314 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3315 | return self->marks[--self->num_marks]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3316 | } |
| 3317 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3318 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3319 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3320 | load_none(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3321 | { |
| 3322 | PDATA_APPEND(self->stack, Py_None, -1); |
| 3323 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3324 | } |
| 3325 | |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 3326 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3327 | bad_readline(void) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3328 | { |
| 3329 | PyErr_SetString(UnpicklingError, "pickle data was truncated"); |
| 3330 | return -1; |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 3331 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3332 | |
| 3333 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3334 | load_int(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3335 | { |
| 3336 | PyObject *py_int = 0; |
| 3337 | char *endptr, *s; |
| 3338 | int len, res = -1; |
| 3339 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3340 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3341 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3342 | if (len < 2) return bad_readline(); |
| 3343 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3344 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3345 | errno = 0; |
| 3346 | l = strtol(s, &endptr, 0); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3347 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3348 | if (errno || (*endptr != '\n') || (endptr[1] != '\0')) { |
| 3349 | /* Hm, maybe we've got something long. Let's try reading |
| 3350 | it as a Python long object. */ |
| 3351 | errno = 0; |
| 3352 | py_int = PyLong_FromString(s, NULL, 0); |
| 3353 | if (py_int == NULL) { |
| 3354 | PyErr_SetString(PyExc_ValueError, |
| 3355 | "could not convert string to int"); |
| 3356 | goto finally; |
| 3357 | } |
| 3358 | } |
| 3359 | else { |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 3360 | if (len == 3 && (l == 0 || l == 1)) { |
| 3361 | if (!( py_int = PyBool_FromLong(l))) goto finally; |
| 3362 | } |
| 3363 | else { |
| 3364 | if (!( py_int = PyInt_FromLong(l))) goto finally; |
| 3365 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3366 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3367 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3368 | free(s); |
| 3369 | PDATA_PUSH(self->stack, py_int, -1); |
| 3370 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3371 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3372 | finally: |
| 3373 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3374 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3375 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3376 | } |
| 3377 | |
Tim Peters | 3c67d79 | 2003-02-02 17:59:11 +0000 | [diff] [blame] | 3378 | static int |
| 3379 | load_bool(Unpicklerobject *self, PyObject *boolean) |
| 3380 | { |
| 3381 | assert(boolean == Py_True || boolean == Py_False); |
Tim Peters | e0a3907 | 2003-02-03 15:45:56 +0000 | [diff] [blame] | 3382 | PDATA_APPEND(self->stack, boolean, -1); |
Tim Peters | 3c67d79 | 2003-02-02 17:59:11 +0000 | [diff] [blame] | 3383 | return 0; |
| 3384 | } |
| 3385 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 3386 | /* s contains x bytes of a little-endian integer. Return its value as a |
| 3387 | * C int. Obscure: when x is 1 or 2, this is an unsigned little-endian |
| 3388 | * int, but when x is 4 it's a signed one. This is an historical source |
| 3389 | * of x-platform bugs. |
| 3390 | */ |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3391 | static long |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 3392 | calc_binint(char *s, int x) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3393 | { |
| 3394 | unsigned char c; |
| 3395 | int i; |
| 3396 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3397 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3398 | for (i = 0, l = 0L; i < x; i++) { |
| 3399 | c = (unsigned char)s[i]; |
| 3400 | l |= (long)c << (i * 8); |
| 3401 | } |
Tim Peters | bfa18f7 | 2001-04-10 01:54:42 +0000 | [diff] [blame] | 3402 | #if SIZEOF_LONG > 4 |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3403 | /* Unlike BININT1 and BININT2, BININT (more accurately BININT4) |
| 3404 | * is signed, so on a box with longs bigger than 4 bytes we need |
| 3405 | * to extend a BININT's sign bit to the full width. |
| 3406 | */ |
| 3407 | if (x == 4 && l & (1L << 31)) |
| 3408 | l |= (~0L) << 32; |
Tim Peters | bfa18f7 | 2001-04-10 01:54:42 +0000 | [diff] [blame] | 3409 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3410 | return l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3411 | } |
| 3412 | |
| 3413 | |
| 3414 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3415 | load_binintx(Unpicklerobject *self, char *s, int x) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3416 | { |
| 3417 | PyObject *py_int = 0; |
| 3418 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3419 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3420 | l = calc_binint(s, x); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3421 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3422 | if (!( py_int = PyInt_FromLong(l))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3423 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3424 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3425 | PDATA_PUSH(self->stack, py_int, -1); |
| 3426 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3427 | } |
| 3428 | |
| 3429 | |
| 3430 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3431 | load_binint(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3432 | { |
| 3433 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3434 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3435 | if (self->read_func(self, &s, 4) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3436 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3437 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3438 | return load_binintx(self, s, 4); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3439 | } |
| 3440 | |
| 3441 | |
| 3442 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3443 | load_binint1(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3444 | { |
| 3445 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3446 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3447 | if (self->read_func(self, &s, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3448 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3449 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3450 | return load_binintx(self, s, 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3451 | } |
| 3452 | |
| 3453 | |
| 3454 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3455 | load_binint2(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3456 | { |
| 3457 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3458 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3459 | if (self->read_func(self, &s, 2) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3460 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3461 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3462 | return load_binintx(self, s, 2); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3463 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3464 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3465 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3466 | load_long(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3467 | { |
| 3468 | PyObject *l = 0; |
| 3469 | char *end, *s; |
| 3470 | int len, res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3471 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3472 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3473 | if (len < 2) return bad_readline(); |
| 3474 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3475 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3476 | if (!( l = PyLong_FromString(s, &end, 0))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3477 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3478 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3479 | free(s); |
| 3480 | PDATA_PUSH(self->stack, l, -1); |
| 3481 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3482 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3483 | finally: |
| 3484 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3485 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3486 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3487 | } |
| 3488 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 3489 | /* 'size' bytes contain the # of bytes of little-endian 256's-complement |
| 3490 | * data following. |
| 3491 | */ |
| 3492 | static int |
| 3493 | load_counted_long(Unpicklerobject *self, int size) |
| 3494 | { |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 3495 | Py_ssize_t i; |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 3496 | char *nbytes; |
| 3497 | unsigned char *pdata; |
| 3498 | PyObject *along; |
| 3499 | |
| 3500 | assert(size == 1 || size == 4); |
| 3501 | i = self->read_func(self, &nbytes, size); |
| 3502 | if (i < 0) return -1; |
| 3503 | |
| 3504 | size = calc_binint(nbytes, size); |
| 3505 | if (size < 0) { |
| 3506 | /* Corrupt or hostile pickle -- we never write one like |
| 3507 | * this. |
| 3508 | */ |
Tim Peters | 0c7c48e | 2003-02-03 22:07:24 +0000 | [diff] [blame] | 3509 | PyErr_SetString(UnpicklingError, "LONG pickle has negative " |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 3510 | "byte count"); |
| 3511 | return -1; |
| 3512 | } |
| 3513 | |
| 3514 | if (size == 0) |
| 3515 | along = PyLong_FromLong(0L); |
| 3516 | else { |
| 3517 | /* Read the raw little-endian bytes & convert. */ |
Neal Norwitz | 529baf2 | 2003-02-02 17:08:33 +0000 | [diff] [blame] | 3518 | i = self->read_func(self, (char **)&pdata, size); |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 3519 | if (i < 0) return -1; |
| 3520 | along = _PyLong_FromByteArray(pdata, (size_t)size, |
| 3521 | 1 /* little endian */, 1 /* signed */); |
| 3522 | } |
| 3523 | if (along == NULL) |
| 3524 | return -1; |
| 3525 | PDATA_PUSH(self->stack, along, -1); |
| 3526 | return 0; |
| 3527 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3528 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3529 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3530 | load_float(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3531 | { |
| 3532 | PyObject *py_float = 0; |
| 3533 | char *endptr, *s; |
| 3534 | int len, res = -1; |
| 3535 | double d; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3536 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3537 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3538 | if (len < 2) return bad_readline(); |
| 3539 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3540 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3541 | errno = 0; |
Martin v. Löwis | 737ea82 | 2004-06-08 18:52:54 +0000 | [diff] [blame] | 3542 | d = PyOS_ascii_strtod(s, &endptr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3543 | |
Mark Dickinson | a3ecd2c | 2009-01-24 16:40:29 +0000 | [diff] [blame] | 3544 | if ((errno == ERANGE && !(fabs(d) <= 1.0)) || |
| 3545 | (endptr[0] != '\n') || (endptr[1] != '\0')) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3546 | PyErr_SetString(PyExc_ValueError, |
| 3547 | "could not convert string to float"); |
| 3548 | goto finally; |
| 3549 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3550 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3551 | if (!( py_float = PyFloat_FromDouble(d))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3552 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3553 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3554 | free(s); |
| 3555 | PDATA_PUSH(self->stack, py_float, -1); |
| 3556 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3557 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3558 | finally: |
| 3559 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3560 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3561 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3562 | } |
| 3563 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3564 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3565 | load_binfloat(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3566 | { |
Tim Peters | 9905b94 | 2003-03-20 20:53:32 +0000 | [diff] [blame] | 3567 | PyObject *py_float; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3568 | double x; |
| 3569 | char *p; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3570 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3571 | if (self->read_func(self, &p, 8) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3572 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3573 | |
Tim Peters | 9905b94 | 2003-03-20 20:53:32 +0000 | [diff] [blame] | 3574 | x = _PyFloat_Unpack8((unsigned char *)p, 0); |
| 3575 | if (x == -1.0 && PyErr_Occurred()) |
| 3576 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3577 | |
Tim Peters | 9905b94 | 2003-03-20 20:53:32 +0000 | [diff] [blame] | 3578 | py_float = PyFloat_FromDouble(x); |
| 3579 | if (py_float == NULL) |
| 3580 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3581 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3582 | PDATA_PUSH(self->stack, py_float, -1); |
| 3583 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3584 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3585 | |
| 3586 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3587 | load_string(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3588 | { |
| 3589 | PyObject *str = 0; |
Martin v. Löwis | 8a8da79 | 2002-08-14 07:46:28 +0000 | [diff] [blame] | 3590 | int len, res = -1; |
| 3591 | char *s, *p; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3592 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3593 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3594 | if (len < 2) return bad_readline(); |
| 3595 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3596 | |
Martin v. Löwis | 8a8da79 | 2002-08-14 07:46:28 +0000 | [diff] [blame] | 3597 | |
| 3598 | /* Strip outermost quotes */ |
| 3599 | while (s[len-1] <= ' ') |
| 3600 | len--; |
| 3601 | if(s[0]=='"' && s[len-1]=='"'){ |
| 3602 | s[len-1] = '\0'; |
| 3603 | p = s + 1 ; |
| 3604 | len -= 2; |
| 3605 | } else if(s[0]=='\'' && s[len-1]=='\''){ |
| 3606 | s[len-1] = '\0'; |
| 3607 | p = s + 1 ; |
| 3608 | len -= 2; |
| 3609 | } else |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3610 | goto insecure; |
| 3611 | /********************************************/ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 3612 | |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 3613 | str = PyString_DecodeEscape(p, len, NULL, 0, NULL); |
Neal Norwitz | 99dfe3c | 2006-08-02 04:27:11 +0000 | [diff] [blame] | 3614 | free(s); |
Martin v. Löwis | 8a8da79 | 2002-08-14 07:46:28 +0000 | [diff] [blame] | 3615 | if (str) { |
| 3616 | PDATA_PUSH(self->stack, str, -1); |
| 3617 | res = 0; |
| 3618 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3619 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3620 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3621 | insecure: |
| 3622 | free(s); |
| 3623 | PyErr_SetString(PyExc_ValueError,"insecure string pickle"); |
| 3624 | return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3625 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3626 | |
| 3627 | |
| 3628 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3629 | load_binstring(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3630 | { |
| 3631 | PyObject *py_string = 0; |
| 3632 | long l; |
| 3633 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3634 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3635 | if (self->read_func(self, &s, 4) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3636 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3637 | l = calc_binint(s, 4); |
Gregory P. Smith | 9d53457 | 2008-06-11 07:41:16 +0000 | [diff] [blame] | 3638 | if (l < 0) { |
| 3639 | /* Corrupt or hostile pickle -- we never write one like |
| 3640 | * this. |
| 3641 | */ |
| 3642 | PyErr_SetString(UnpicklingError, |
| 3643 | "BINSTRING pickle has negative byte count"); |
| 3644 | return -1; |
| 3645 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3646 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3647 | if (self->read_func(self, &s, l) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3648 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3649 | |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 3650 | if (!( py_string = PyString_FromStringAndSize(s, l))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3651 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3652 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3653 | PDATA_PUSH(self->stack, py_string, -1); |
| 3654 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3655 | } |
| 3656 | |
| 3657 | |
| 3658 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3659 | load_short_binstring(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3660 | { |
| 3661 | PyObject *py_string = 0; |
| 3662 | unsigned char l; |
| 3663 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3664 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3665 | if (self->read_func(self, &s, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3666 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3667 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3668 | l = (unsigned char)s[0]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3669 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3670 | if (self->read_func(self, &s, l) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3671 | |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 3672 | if (!( py_string = PyString_FromStringAndSize(s, l))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3673 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3674 | PDATA_PUSH(self->stack, py_string, -1); |
| 3675 | return 0; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3676 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3677 | |
| 3678 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3679 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3680 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3681 | load_unicode(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3682 | { |
| 3683 | PyObject *str = 0; |
| 3684 | int len, res = -1; |
| 3685 | char *s; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3686 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3687 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3688 | if (len < 1) return bad_readline(); |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3689 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3690 | if (!( str = PyUnicode_DecodeRawUnicodeEscape(s, len - 1, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3691 | goto finally; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3692 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3693 | PDATA_PUSH(self->stack, str, -1); |
| 3694 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3695 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3696 | finally: |
| 3697 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3698 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3699 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3700 | |
| 3701 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3702 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3703 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3704 | load_binunicode(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3705 | { |
| 3706 | PyObject *unicode; |
| 3707 | long l; |
| 3708 | char *s; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3709 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3710 | if (self->read_func(self, &s, 4) < 0) return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3711 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3712 | l = calc_binint(s, 4); |
Gregory P. Smith | 9d53457 | 2008-06-11 07:41:16 +0000 | [diff] [blame] | 3713 | if (l < 0) { |
| 3714 | /* Corrupt or hostile pickle -- we never write one like |
| 3715 | * this. |
| 3716 | */ |
| 3717 | PyErr_SetString(UnpicklingError, |
| 3718 | "BINUNICODE pickle has negative byte count"); |
| 3719 | return -1; |
| 3720 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3721 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3722 | if (self->read_func(self, &s, l) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3723 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3724 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3725 | if (!( unicode = PyUnicode_DecodeUTF8(s, l, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3726 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3727 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3728 | PDATA_PUSH(self->stack, unicode, -1); |
| 3729 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3730 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3731 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3732 | |
| 3733 | |
| 3734 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3735 | load_tuple(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3736 | { |
| 3737 | PyObject *tup; |
| 3738 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3739 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3740 | if ((i = marker(self)) < 0) return -1; |
| 3741 | if (!( tup=Pdata_popTuple(self->stack, i))) return -1; |
| 3742 | PDATA_PUSH(self->stack, tup, -1); |
| 3743 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3744 | } |
| 3745 | |
| 3746 | static int |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 3747 | load_counted_tuple(Unpicklerobject *self, int len) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3748 | { |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 3749 | PyObject *tup = PyTuple_New(len); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3750 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 3751 | if (tup == NULL) |
| 3752 | return -1; |
| 3753 | |
| 3754 | while (--len >= 0) { |
| 3755 | PyObject *element; |
| 3756 | |
| 3757 | PDATA_POP(self->stack, element); |
| 3758 | if (element == NULL) |
| 3759 | return -1; |
| 3760 | PyTuple_SET_ITEM(tup, len, element); |
| 3761 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3762 | PDATA_PUSH(self->stack, tup, -1); |
| 3763 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3764 | } |
| 3765 | |
| 3766 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3767 | load_empty_list(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3768 | { |
| 3769 | PyObject *list; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3770 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3771 | if (!( list=PyList_New(0))) return -1; |
| 3772 | PDATA_PUSH(self->stack, list, -1); |
| 3773 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3774 | } |
| 3775 | |
| 3776 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3777 | load_empty_dict(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3778 | { |
| 3779 | PyObject *dict; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3780 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3781 | if (!( dict=PyDict_New())) return -1; |
| 3782 | PDATA_PUSH(self->stack, dict, -1); |
| 3783 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3784 | } |
| 3785 | |
| 3786 | |
| 3787 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3788 | load_list(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3789 | { |
| 3790 | PyObject *list = 0; |
| 3791 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3792 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3793 | if ((i = marker(self)) < 0) return -1; |
| 3794 | if (!( list=Pdata_popList(self->stack, i))) return -1; |
| 3795 | PDATA_PUSH(self->stack, list, -1); |
| 3796 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3797 | } |
| 3798 | |
| 3799 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3800 | load_dict(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3801 | { |
| 3802 | PyObject *dict, *key, *value; |
| 3803 | int i, j, k; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3804 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3805 | if ((i = marker(self)) < 0) return -1; |
| 3806 | j=self->stack->length; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3807 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3808 | if (!( dict = PyDict_New())) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3809 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3810 | for (k = i+1; k < j; k += 2) { |
| 3811 | key =self->stack->data[k-1]; |
| 3812 | value=self->stack->data[k ]; |
| 3813 | if (PyDict_SetItem(dict, key, value) < 0) { |
| 3814 | Py_DECREF(dict); |
| 3815 | return -1; |
| 3816 | } |
| 3817 | } |
| 3818 | Pdata_clear(self->stack, i); |
| 3819 | PDATA_PUSH(self->stack, dict, -1); |
| 3820 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3821 | } |
| 3822 | |
| 3823 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3824 | Instance_New(PyObject *cls, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3825 | { |
Tim Peters | 1f1b2d2 | 2003-02-01 02:16:37 +0000 | [diff] [blame] | 3826 | PyObject *r = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3827 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3828 | if (PyClass_Check(cls)) { |
| 3829 | int l; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3830 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3831 | if ((l=PyObject_Size(args)) < 0) goto err; |
| 3832 | if (!( l )) { |
| 3833 | PyObject *__getinitargs__; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3834 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3835 | __getinitargs__ = PyObject_GetAttr(cls, |
Jeremy Hylton | f00368f | 2003-06-16 20:19:49 +0000 | [diff] [blame] | 3836 | __getinitargs___str); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3837 | if (!__getinitargs__) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3838 | /* We have a class with no __getinitargs__, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3839 | so bypass usual construction */ |
| 3840 | PyObject *inst; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3841 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3842 | PyErr_Clear(); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3843 | if (!( inst=PyInstance_NewRaw(cls, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3844 | goto err; |
| 3845 | return inst; |
| 3846 | } |
| 3847 | Py_DECREF(__getinitargs__); |
| 3848 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3849 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3850 | if ((r=PyInstance_New(cls, args, NULL))) return r; |
| 3851 | else goto err; |
| 3852 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3853 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3854 | if ((r=PyObject_CallObject(cls, args))) return r; |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 3855 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3856 | err: |
| 3857 | { |
Neal Norwitz | 0f8b31a | 2006-06-28 06:28:31 +0000 | [diff] [blame] | 3858 | PyObject *tp, *v, *tb, *tmp_value; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3859 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3860 | PyErr_Fetch(&tp, &v, &tb); |
Neal Norwitz | 0f8b31a | 2006-06-28 06:28:31 +0000 | [diff] [blame] | 3861 | tmp_value = v; |
| 3862 | /* NULL occurs when there was a KeyboardInterrupt */ |
| 3863 | if (tmp_value == NULL) |
| 3864 | tmp_value = Py_None; |
| 3865 | if ((r = PyTuple_Pack(3, tmp_value, cls, args))) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3866 | Py_XDECREF(v); |
| 3867 | v=r; |
| 3868 | } |
| 3869 | PyErr_Restore(tp,v,tb); |
| 3870 | } |
| 3871 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3872 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3873 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3874 | |
| 3875 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3876 | load_obj(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3877 | { |
| 3878 | PyObject *class, *tup, *obj=0; |
| 3879 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3880 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3881 | if ((i = marker(self)) < 0) return -1; |
| 3882 | if (!( tup=Pdata_popTuple(self->stack, i+1))) return -1; |
| 3883 | PDATA_POP(self->stack, class); |
| 3884 | if (class) { |
| 3885 | obj = Instance_New(class, tup); |
| 3886 | Py_DECREF(class); |
| 3887 | } |
| 3888 | Py_DECREF(tup); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3889 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3890 | if (! obj) return -1; |
| 3891 | PDATA_PUSH(self->stack, obj, -1); |
| 3892 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3893 | } |
| 3894 | |
| 3895 | |
| 3896 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3897 | load_inst(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3898 | { |
| 3899 | PyObject *tup, *class=0, *obj=0, *module_name, *class_name; |
| 3900 | int i, len; |
| 3901 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3902 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3903 | if ((i = marker(self)) < 0) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3904 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3905 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3906 | if (len < 2) return bad_readline(); |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 3907 | module_name = PyString_FromStringAndSize(s, len - 1); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3908 | if (!module_name) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3909 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3910 | if ((len = self->readline_func(self, &s)) >= 0) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3911 | if (len < 2) return bad_readline(); |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 3912 | if ((class_name = PyString_FromStringAndSize(s, len - 1))) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3913 | class = find_class(module_name, class_name, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3914 | self->find_class); |
| 3915 | Py_DECREF(class_name); |
| 3916 | } |
| 3917 | } |
| 3918 | Py_DECREF(module_name); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3919 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3920 | if (! class) return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3921 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3922 | if ((tup=Pdata_popTuple(self->stack, i))) { |
| 3923 | obj = Instance_New(class, tup); |
| 3924 | Py_DECREF(tup); |
| 3925 | } |
| 3926 | Py_DECREF(class); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3927 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3928 | if (! obj) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3929 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3930 | PDATA_PUSH(self->stack, obj, -1); |
| 3931 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3932 | } |
| 3933 | |
Tim Peters | eab7db3 | 2003-02-13 18:24:14 +0000 | [diff] [blame] | 3934 | static int |
| 3935 | load_newobj(Unpicklerobject *self) |
| 3936 | { |
| 3937 | PyObject *args = NULL; |
| 3938 | PyObject *clsraw = NULL; |
| 3939 | PyTypeObject *cls; /* clsraw cast to its true type */ |
| 3940 | PyObject *obj; |
| 3941 | |
| 3942 | /* Stack is ... cls argtuple, and we want to call |
| 3943 | * cls.__new__(cls, *argtuple). |
| 3944 | */ |
| 3945 | PDATA_POP(self->stack, args); |
| 3946 | if (args == NULL) goto Fail; |
| 3947 | if (! PyTuple_Check(args)) { |
| 3948 | PyErr_SetString(UnpicklingError, "NEWOBJ expected an arg " |
| 3949 | "tuple."); |
| 3950 | goto Fail; |
| 3951 | } |
| 3952 | |
| 3953 | PDATA_POP(self->stack, clsraw); |
| 3954 | cls = (PyTypeObject *)clsraw; |
| 3955 | if (cls == NULL) goto Fail; |
| 3956 | if (! PyType_Check(cls)) { |
| 3957 | PyErr_SetString(UnpicklingError, "NEWOBJ class argument " |
| 3958 | "isn't a type object"); |
| 3959 | goto Fail; |
| 3960 | } |
| 3961 | if (cls->tp_new == NULL) { |
| 3962 | PyErr_SetString(UnpicklingError, "NEWOBJ class argument " |
| 3963 | "has NULL tp_new"); |
| 3964 | goto Fail; |
| 3965 | } |
| 3966 | |
| 3967 | /* Call __new__. */ |
| 3968 | obj = cls->tp_new(cls, args, NULL); |
| 3969 | if (obj == NULL) goto Fail; |
| 3970 | |
| 3971 | Py_DECREF(args); |
| 3972 | Py_DECREF(clsraw); |
| 3973 | PDATA_PUSH(self->stack, obj, -1); |
| 3974 | return 0; |
| 3975 | |
| 3976 | Fail: |
| 3977 | Py_XDECREF(args); |
| 3978 | Py_XDECREF(clsraw); |
| 3979 | return -1; |
| 3980 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3981 | |
| 3982 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3983 | load_global(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3984 | { |
| 3985 | PyObject *class = 0, *module_name = 0, *class_name = 0; |
| 3986 | int len; |
| 3987 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3988 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3989 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3990 | if (len < 2) return bad_readline(); |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 3991 | module_name = PyString_FromStringAndSize(s, len - 1); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3992 | if (!module_name) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3993 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3994 | if ((len = self->readline_func(self, &s)) >= 0) { |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 3995 | if (len < 2) { |
| 3996 | Py_DECREF(module_name); |
| 3997 | return bad_readline(); |
| 3998 | } |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 3999 | if ((class_name = PyString_FromStringAndSize(s, len - 1))) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4000 | class = find_class(module_name, class_name, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4001 | self->find_class); |
| 4002 | Py_DECREF(class_name); |
| 4003 | } |
| 4004 | } |
| 4005 | Py_DECREF(module_name); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4006 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4007 | if (! class) return -1; |
| 4008 | PDATA_PUSH(self->stack, class, -1); |
| 4009 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4010 | } |
| 4011 | |
| 4012 | |
| 4013 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4014 | load_persid(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4015 | { |
| 4016 | PyObject *pid = 0; |
| 4017 | int len; |
| 4018 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4019 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4020 | if (self->pers_func) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 4021 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4022 | if (len < 2) return bad_readline(); |
| 4023 | |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 4024 | pid = PyString_FromStringAndSize(s, len - 1); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4025 | if (!pid) return -1; |
| 4026 | |
| 4027 | if (PyList_Check(self->pers_func)) { |
| 4028 | if (PyList_Append(self->pers_func, pid) < 0) { |
| 4029 | Py_DECREF(pid); |
| 4030 | return -1; |
| 4031 | } |
| 4032 | } |
| 4033 | else { |
| 4034 | ARG_TUP(self, pid); |
| 4035 | if (self->arg) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4036 | pid = PyObject_Call(self->pers_func, self->arg, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4037 | NULL); |
| 4038 | FREE_ARG_TUP(self); |
| 4039 | } |
| 4040 | } |
| 4041 | |
| 4042 | if (! pid) return -1; |
| 4043 | |
| 4044 | PDATA_PUSH(self->stack, pid, -1); |
| 4045 | return 0; |
| 4046 | } |
| 4047 | else { |
| 4048 | PyErr_SetString(UnpicklingError, |
| 4049 | "A load persistent id instruction was encountered,\n" |
| 4050 | "but no persistent_load function was specified."); |
| 4051 | return -1; |
| 4052 | } |
| 4053 | } |
| 4054 | |
| 4055 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4056 | load_binpersid(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4057 | { |
| 4058 | PyObject *pid = 0; |
| 4059 | |
| 4060 | if (self->pers_func) { |
| 4061 | PDATA_POP(self->stack, pid); |
| 4062 | if (! pid) return -1; |
| 4063 | |
| 4064 | if (PyList_Check(self->pers_func)) { |
| 4065 | if (PyList_Append(self->pers_func, pid) < 0) { |
| 4066 | Py_DECREF(pid); |
| 4067 | return -1; |
| 4068 | } |
| 4069 | } |
| 4070 | else { |
| 4071 | ARG_TUP(self, pid); |
| 4072 | if (self->arg) { |
| 4073 | pid = PyObject_Call(self->pers_func, self->arg, |
| 4074 | NULL); |
| 4075 | FREE_ARG_TUP(self); |
| 4076 | } |
| 4077 | if (! pid) return -1; |
| 4078 | } |
| 4079 | |
| 4080 | PDATA_PUSH(self->stack, pid, -1); |
| 4081 | return 0; |
| 4082 | } |
| 4083 | else { |
| 4084 | PyErr_SetString(UnpicklingError, |
| 4085 | "A load persistent id instruction was encountered,\n" |
| 4086 | "but no persistent_load function was specified."); |
| 4087 | return -1; |
| 4088 | } |
| 4089 | } |
| 4090 | |
| 4091 | |
| 4092 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4093 | load_pop(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4094 | { |
Collin Winter | 57bef68 | 2009-05-26 04:12:39 +0000 | [diff] [blame] | 4095 | int len = self->stack->length; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4096 | |
| 4097 | /* Note that we split the (pickle.py) stack into two stacks, |
| 4098 | an object stack and a mark stack. We have to be clever and |
| 4099 | pop the right one. We do this by looking at the top of the |
Collin Winter | 57bef68 | 2009-05-26 04:12:39 +0000 | [diff] [blame] | 4100 | mark stack first, and only signalling a stack underflow if |
| 4101 | the object stack is empty and the mark stack doesn't match |
| 4102 | our expectations. |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4103 | */ |
Collin Winter | 57bef68 | 2009-05-26 04:12:39 +0000 | [diff] [blame] | 4104 | if (self->num_marks > 0 && self->marks[self->num_marks - 1] == len) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4105 | self->num_marks--; |
Collin Winter | 57bef68 | 2009-05-26 04:12:39 +0000 | [diff] [blame] | 4106 | } else if (len >= 0) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4107 | len--; |
| 4108 | Py_DECREF(self->stack->data[len]); |
Collin Winter | 57bef68 | 2009-05-26 04:12:39 +0000 | [diff] [blame] | 4109 | self->stack->length = len; |
| 4110 | } else { |
| 4111 | return stackUnderflow(); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4112 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4113 | return 0; |
| 4114 | } |
| 4115 | |
| 4116 | |
| 4117 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4118 | load_pop_mark(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4119 | { |
| 4120 | int i; |
| 4121 | |
| 4122 | if ((i = marker(self)) < 0) |
| 4123 | return -1; |
| 4124 | |
| 4125 | Pdata_clear(self->stack, i); |
| 4126 | |
| 4127 | return 0; |
| 4128 | } |
| 4129 | |
| 4130 | |
| 4131 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4132 | load_dup(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4133 | { |
| 4134 | PyObject *last; |
| 4135 | int len; |
| 4136 | |
| 4137 | if ((len = self->stack->length) <= 0) return stackUnderflow(); |
| 4138 | last=self->stack->data[len-1]; |
| 4139 | Py_INCREF(last); |
| 4140 | PDATA_PUSH(self->stack, last, -1); |
| 4141 | return 0; |
| 4142 | } |
| 4143 | |
| 4144 | |
| 4145 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4146 | load_get(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4147 | { |
| 4148 | PyObject *py_str = 0, *value = 0; |
| 4149 | int len; |
| 4150 | char *s; |
| 4151 | int rc; |
| 4152 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 4153 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 4154 | if (len < 2) return bad_readline(); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4155 | |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 4156 | if (!( py_str = PyString_FromStringAndSize(s, len - 1))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4157 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4158 | value = PyDict_GetItem(self->memo, py_str); |
| 4159 | if (! value) { |
| 4160 | PyErr_SetObject(BadPickleGet, py_str); |
| 4161 | rc = -1; |
Tim Peters | 92c8bb3 | 2003-02-13 23:00:26 +0000 | [diff] [blame] | 4162 | } |
| 4163 | else { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4164 | PDATA_APPEND(self->stack, value, -1); |
| 4165 | rc = 0; |
| 4166 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4167 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4168 | Py_DECREF(py_str); |
| 4169 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4170 | } |
| 4171 | |
| 4172 | |
| 4173 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4174 | load_binget(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4175 | { |
| 4176 | PyObject *py_key = 0, *value = 0; |
| 4177 | unsigned char key; |
| 4178 | char *s; |
| 4179 | int rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4180 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 4181 | if (self->read_func(self, &s, 1) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4182 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4183 | key = (unsigned char)s[0]; |
| 4184 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
Guido van Rossum | ea2b715 | 2000-05-09 18:14:50 +0000 | [diff] [blame] | 4185 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4186 | value = PyDict_GetItem(self->memo, py_key); |
| 4187 | if (! value) { |
| 4188 | PyErr_SetObject(BadPickleGet, py_key); |
| 4189 | rc = -1; |
Tim Peters | 92c8bb3 | 2003-02-13 23:00:26 +0000 | [diff] [blame] | 4190 | } |
| 4191 | else { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4192 | PDATA_APPEND(self->stack, value, -1); |
| 4193 | rc = 0; |
| 4194 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4195 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4196 | Py_DECREF(py_key); |
| 4197 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4198 | } |
| 4199 | |
| 4200 | |
| 4201 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4202 | load_long_binget(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4203 | { |
| 4204 | PyObject *py_key = 0, *value = 0; |
| 4205 | unsigned char c; |
| 4206 | char *s; |
| 4207 | long key; |
| 4208 | int rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4209 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 4210 | if (self->read_func(self, &s, 4) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4211 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4212 | c = (unsigned char)s[0]; |
| 4213 | key = (long)c; |
| 4214 | c = (unsigned char)s[1]; |
| 4215 | key |= (long)c << 8; |
| 4216 | c = (unsigned char)s[2]; |
| 4217 | key |= (long)c << 16; |
| 4218 | c = (unsigned char)s[3]; |
| 4219 | key |= (long)c << 24; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4220 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4221 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
| 4222 | |
| 4223 | value = PyDict_GetItem(self->memo, py_key); |
| 4224 | if (! value) { |
| 4225 | PyErr_SetObject(BadPickleGet, py_key); |
| 4226 | rc = -1; |
Tim Peters | 92c8bb3 | 2003-02-13 23:00:26 +0000 | [diff] [blame] | 4227 | } |
| 4228 | else { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4229 | PDATA_APPEND(self->stack, value, -1); |
| 4230 | rc = 0; |
| 4231 | } |
| 4232 | |
| 4233 | Py_DECREF(py_key); |
| 4234 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4235 | } |
| 4236 | |
Tim Peters | 2d62965 | 2003-02-04 05:06:17 +0000 | [diff] [blame] | 4237 | /* Push an object from the extension registry (EXT[124]). nbytes is |
| 4238 | * the number of bytes following the opcode, holding the index (code) value. |
| 4239 | */ |
| 4240 | static int |
| 4241 | load_extension(Unpicklerobject *self, int nbytes) |
| 4242 | { |
| 4243 | char *codebytes; /* the nbytes bytes after the opcode */ |
| 4244 | long code; /* calc_binint returns long */ |
| 4245 | PyObject *py_code; /* code as a Python int */ |
| 4246 | PyObject *obj; /* the object to push */ |
| 4247 | PyObject *pair; /* (module_name, class_name) */ |
| 4248 | PyObject *module_name, *class_name; |
| 4249 | |
| 4250 | assert(nbytes == 1 || nbytes == 2 || nbytes == 4); |
| 4251 | if (self->read_func(self, &codebytes, nbytes) < 0) return -1; |
| 4252 | code = calc_binint(codebytes, nbytes); |
| 4253 | if (code <= 0) { /* note that 0 is forbidden */ |
| 4254 | /* Corrupt or hostile pickle. */ |
| 4255 | PyErr_SetString(UnpicklingError, "EXT specifies code <= 0"); |
| 4256 | return -1; |
| 4257 | } |
| 4258 | |
| 4259 | /* Look for the code in the cache. */ |
| 4260 | py_code = PyInt_FromLong(code); |
| 4261 | if (py_code == NULL) return -1; |
| 4262 | obj = PyDict_GetItem(extension_cache, py_code); |
| 4263 | if (obj != NULL) { |
| 4264 | /* Bingo. */ |
| 4265 | Py_DECREF(py_code); |
| 4266 | PDATA_APPEND(self->stack, obj, -1); |
| 4267 | return 0; |
| 4268 | } |
| 4269 | |
| 4270 | /* Look up the (module_name, class_name) pair. */ |
| 4271 | pair = PyDict_GetItem(inverted_registry, py_code); |
| 4272 | if (pair == NULL) { |
| 4273 | Py_DECREF(py_code); |
| 4274 | PyErr_Format(PyExc_ValueError, "unregistered extension " |
| 4275 | "code %ld", code); |
| 4276 | return -1; |
| 4277 | } |
| 4278 | /* Since the extension registry is manipulable via Python code, |
Tim Peters | fa05ce3 | 2003-02-04 05:20:32 +0000 | [diff] [blame] | 4279 | * confirm that pair is really a 2-tuple of strings. |
Tim Peters | 2d62965 | 2003-02-04 05:06:17 +0000 | [diff] [blame] | 4280 | */ |
| 4281 | if (!PyTuple_Check(pair) || PyTuple_Size(pair) != 2 || |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 4282 | !PyString_Check(module_name = PyTuple_GET_ITEM(pair, 0)) || |
| 4283 | !PyString_Check(class_name = PyTuple_GET_ITEM(pair, 1))) { |
Tim Peters | 2d62965 | 2003-02-04 05:06:17 +0000 | [diff] [blame] | 4284 | Py_DECREF(py_code); |
| 4285 | PyErr_Format(PyExc_ValueError, "_inverted_registry[%ld] " |
| 4286 | "isn't a 2-tuple of strings", code); |
| 4287 | return -1; |
| 4288 | } |
| 4289 | /* Load the object. */ |
| 4290 | obj = find_class(module_name, class_name, self->find_class); |
| 4291 | if (obj == NULL) { |
| 4292 | Py_DECREF(py_code); |
| 4293 | return -1; |
| 4294 | } |
| 4295 | /* Cache code -> obj. */ |
| 4296 | code = PyDict_SetItem(extension_cache, py_code, obj); |
| 4297 | Py_DECREF(py_code); |
| 4298 | if (code < 0) { |
| 4299 | Py_DECREF(obj); |
| 4300 | return -1; |
| 4301 | } |
| 4302 | PDATA_PUSH(self->stack, obj, -1); |
| 4303 | return 0; |
| 4304 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4305 | |
| 4306 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4307 | load_put(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4308 | { |
| 4309 | PyObject *py_str = 0, *value = 0; |
| 4310 | int len, l; |
| 4311 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4312 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 4313 | if ((l = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4314 | if (l < 2) return bad_readline(); |
| 4315 | if (!( len=self->stack->length )) return stackUnderflow(); |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 4316 | if (!( py_str = PyString_FromStringAndSize(s, l - 1))) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4317 | value=self->stack->data[len-1]; |
| 4318 | l=PyDict_SetItem(self->memo, py_str, value); |
| 4319 | Py_DECREF(py_str); |
| 4320 | return l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4321 | } |
| 4322 | |
| 4323 | |
| 4324 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4325 | load_binput(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4326 | { |
| 4327 | PyObject *py_key = 0, *value = 0; |
| 4328 | unsigned char key; |
| 4329 | char *s; |
| 4330 | int len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4331 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 4332 | if (self->read_func(self, &s, 1) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4333 | if (!( (len=self->stack->length) > 0 )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4334 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4335 | key = (unsigned char)s[0]; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 4336 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4337 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
| 4338 | value=self->stack->data[len-1]; |
| 4339 | len=PyDict_SetItem(self->memo, py_key, value); |
| 4340 | Py_DECREF(py_key); |
| 4341 | return len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4342 | } |
| 4343 | |
| 4344 | |
| 4345 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4346 | load_long_binput(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4347 | { |
| 4348 | PyObject *py_key = 0, *value = 0; |
| 4349 | long key; |
| 4350 | unsigned char c; |
| 4351 | char *s; |
| 4352 | int len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4353 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 4354 | if (self->read_func(self, &s, 4) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4355 | if (!( len=self->stack->length )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4356 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4357 | c = (unsigned char)s[0]; |
| 4358 | key = (long)c; |
| 4359 | c = (unsigned char)s[1]; |
| 4360 | key |= (long)c << 8; |
| 4361 | c = (unsigned char)s[2]; |
| 4362 | key |= (long)c << 16; |
| 4363 | c = (unsigned char)s[3]; |
| 4364 | key |= (long)c << 24; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4365 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4366 | if (!( py_key = PyInt_FromLong(key))) return -1; |
| 4367 | value=self->stack->data[len-1]; |
| 4368 | len=PyDict_SetItem(self->memo, py_key, value); |
| 4369 | Py_DECREF(py_key); |
| 4370 | return len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4371 | } |
| 4372 | |
| 4373 | |
| 4374 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4375 | do_append(Unpicklerobject *self, int x) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4376 | { |
| 4377 | PyObject *value = 0, *list = 0, *append_method = 0; |
| 4378 | int len, i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4379 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4380 | len=self->stack->length; |
| 4381 | if (!( len >= x && x > 0 )) return stackUnderflow(); |
| 4382 | /* nothing to do */ |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4383 | if (len==x) return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4384 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4385 | list=self->stack->data[x-1]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4386 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4387 | if (PyList_Check(list)) { |
| 4388 | PyObject *slice; |
| 4389 | int list_len; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4390 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4391 | slice=Pdata_popList(self->stack, x); |
Neal Norwitz | b59d08c | 2006-07-22 16:20:49 +0000 | [diff] [blame] | 4392 | if (! slice) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4393 | list_len = PyList_GET_SIZE(list); |
| 4394 | i=PyList_SetSlice(list, list_len, list_len, slice); |
| 4395 | Py_DECREF(slice); |
| 4396 | return i; |
| 4397 | } |
| 4398 | else { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4399 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4400 | if (!( append_method = PyObject_GetAttr(list, append_str))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4401 | return -1; |
| 4402 | |
| 4403 | for (i = x; i < len; i++) { |
| 4404 | PyObject *junk; |
| 4405 | |
| 4406 | value=self->stack->data[i]; |
| 4407 | junk=0; |
| 4408 | ARG_TUP(self, value); |
| 4409 | if (self->arg) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4410 | junk = PyObject_Call(append_method, self->arg, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4411 | NULL); |
| 4412 | FREE_ARG_TUP(self); |
| 4413 | } |
| 4414 | if (! junk) { |
| 4415 | Pdata_clear(self->stack, i+1); |
| 4416 | self->stack->length=x; |
| 4417 | Py_DECREF(append_method); |
| 4418 | return -1; |
| 4419 | } |
| 4420 | Py_DECREF(junk); |
| 4421 | } |
| 4422 | self->stack->length=x; |
| 4423 | Py_DECREF(append_method); |
| 4424 | } |
| 4425 | |
| 4426 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4427 | } |
| 4428 | |
| 4429 | |
| 4430 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4431 | load_append(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4432 | { |
| 4433 | return do_append(self, self->stack->length - 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4434 | } |
| 4435 | |
| 4436 | |
| 4437 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4438 | load_appends(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4439 | { |
| 4440 | return do_append(self, marker(self)); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4441 | } |
| 4442 | |
| 4443 | |
| 4444 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4445 | do_setitems(Unpicklerobject *self, int x) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4446 | { |
| 4447 | PyObject *value = 0, *key = 0, *dict = 0; |
| 4448 | int len, i, r=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4449 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4450 | if (!( (len=self->stack->length) >= x |
| 4451 | && x > 0 )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4452 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4453 | dict=self->stack->data[x-1]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4454 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4455 | for (i = x+1; i < len; i += 2) { |
| 4456 | key =self->stack->data[i-1]; |
| 4457 | value=self->stack->data[i ]; |
| 4458 | if (PyObject_SetItem(dict, key, value) < 0) { |
| 4459 | r=-1; |
| 4460 | break; |
| 4461 | } |
| 4462 | } |
| 4463 | |
| 4464 | Pdata_clear(self->stack, x); |
| 4465 | |
| 4466 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4467 | } |
| 4468 | |
| 4469 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4470 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4471 | load_setitem(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4472 | { |
| 4473 | return do_setitems(self, self->stack->length - 2); |
| 4474 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4475 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4476 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4477 | load_setitems(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4478 | { |
| 4479 | return do_setitems(self, marker(self)); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4480 | } |
| 4481 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4482 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4483 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4484 | load_build(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4485 | { |
Tim Peters | 080c88b | 2003-02-15 03:01:11 +0000 | [diff] [blame] | 4486 | PyObject *state, *inst, *slotstate; |
| 4487 | PyObject *__setstate__; |
| 4488 | PyObject *d_key, *d_value; |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 4489 | Py_ssize_t i; |
Tim Peters | 080c88b | 2003-02-15 03:01:11 +0000 | [diff] [blame] | 4490 | int res = -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4491 | |
Tim Peters | 080c88b | 2003-02-15 03:01:11 +0000 | [diff] [blame] | 4492 | /* Stack is ... instance, state. We want to leave instance at |
| 4493 | * the stack top, possibly mutated via instance.__setstate__(state). |
| 4494 | */ |
| 4495 | if (self->stack->length < 2) |
| 4496 | return stackUnderflow(); |
| 4497 | PDATA_POP(self->stack, state); |
| 4498 | if (state == NULL) |
| 4499 | return -1; |
| 4500 | inst = self->stack->data[self->stack->length - 1]; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4501 | |
Tim Peters | 080c88b | 2003-02-15 03:01:11 +0000 | [diff] [blame] | 4502 | __setstate__ = PyObject_GetAttr(inst, __setstate___str); |
| 4503 | if (__setstate__ != NULL) { |
| 4504 | PyObject *junk = NULL; |
| 4505 | |
| 4506 | /* The explicit __setstate__ is responsible for everything. */ |
| 4507 | ARG_TUP(self, state); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4508 | if (self->arg) { |
| 4509 | junk = PyObject_Call(__setstate__, self->arg, NULL); |
| 4510 | FREE_ARG_TUP(self); |
| 4511 | } |
| 4512 | Py_DECREF(__setstate__); |
Tim Peters | 080c88b | 2003-02-15 03:01:11 +0000 | [diff] [blame] | 4513 | if (junk == NULL) |
| 4514 | return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4515 | Py_DECREF(junk); |
| 4516 | return 0; |
| 4517 | } |
Jeremy Hylton | f00368f | 2003-06-16 20:19:49 +0000 | [diff] [blame] | 4518 | if (!PyErr_ExceptionMatches(PyExc_AttributeError)) |
| 4519 | return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4520 | PyErr_Clear(); |
Tim Peters | 080c88b | 2003-02-15 03:01:11 +0000 | [diff] [blame] | 4521 | |
| 4522 | /* A default __setstate__. First see whether state embeds a |
| 4523 | * slot state dict too (a proto 2 addition). |
| 4524 | */ |
| 4525 | if (PyTuple_Check(state) && PyTuple_Size(state) == 2) { |
| 4526 | PyObject *temp = state; |
| 4527 | state = PyTuple_GET_ITEM(temp, 0); |
| 4528 | slotstate = PyTuple_GET_ITEM(temp, 1); |
| 4529 | Py_INCREF(state); |
| 4530 | Py_INCREF(slotstate); |
| 4531 | Py_DECREF(temp); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4532 | } |
Tim Peters | 080c88b | 2003-02-15 03:01:11 +0000 | [diff] [blame] | 4533 | else |
| 4534 | slotstate = NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4535 | |
Tim Peters | 080c88b | 2003-02-15 03:01:11 +0000 | [diff] [blame] | 4536 | /* Set inst.__dict__ from the state dict (if any). */ |
| 4537 | if (state != Py_None) { |
| 4538 | PyObject *dict; |
| 4539 | if (! PyDict_Check(state)) { |
| 4540 | PyErr_SetString(UnpicklingError, "state is not a " |
| 4541 | "dictionary"); |
| 4542 | goto finally; |
| 4543 | } |
| 4544 | dict = PyObject_GetAttr(inst, __dict___str); |
| 4545 | if (dict == NULL) |
| 4546 | goto finally; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4547 | |
Tim Peters | 080c88b | 2003-02-15 03:01:11 +0000 | [diff] [blame] | 4548 | i = 0; |
| 4549 | while (PyDict_Next(state, &i, &d_key, &d_value)) { |
Antoine Pitrou | 7430989 | 2009-05-02 21:13:23 +0000 | [diff] [blame] | 4550 | /* normally the keys for instance attributes are |
| 4551 | interned. we should try to do that here. */ |
| 4552 | Py_INCREF(d_key); |
| 4553 | if (PyString_CheckExact(d_key)) |
| 4554 | PyString_InternInPlace(&d_key); |
| 4555 | if (PyObject_SetItem(dict, d_key, d_value) < 0) { |
| 4556 | Py_DECREF(d_key); |
Tim Peters | 080c88b | 2003-02-15 03:01:11 +0000 | [diff] [blame] | 4557 | goto finally; |
Antoine Pitrou | 7430989 | 2009-05-02 21:13:23 +0000 | [diff] [blame] | 4558 | } |
| 4559 | Py_DECREF(d_key); |
Tim Peters | 080c88b | 2003-02-15 03:01:11 +0000 | [diff] [blame] | 4560 | } |
| 4561 | Py_DECREF(dict); |
| 4562 | } |
| 4563 | |
| 4564 | /* Also set instance attributes from the slotstate dict (if any). */ |
| 4565 | if (slotstate != NULL) { |
| 4566 | if (! PyDict_Check(slotstate)) { |
| 4567 | PyErr_SetString(UnpicklingError, "slot state is not " |
| 4568 | "a dictionary"); |
| 4569 | goto finally; |
| 4570 | } |
| 4571 | i = 0; |
| 4572 | while (PyDict_Next(slotstate, &i, &d_key, &d_value)) { |
| 4573 | if (PyObject_SetAttr(inst, d_key, d_value) < 0) |
| 4574 | goto finally; |
| 4575 | } |
| 4576 | } |
| 4577 | res = 0; |
| 4578 | |
| 4579 | finally: |
| 4580 | Py_DECREF(state); |
| 4581 | Py_XDECREF(slotstate); |
| 4582 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4583 | } |
| 4584 | |
| 4585 | |
| 4586 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4587 | load_mark(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4588 | { |
| 4589 | int s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4590 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4591 | /* Note that we split the (pickle.py) stack into two stacks, an |
| 4592 | object stack and a mark stack. Here we push a mark onto the |
| 4593 | mark stack. |
| 4594 | */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4595 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4596 | if ((self->num_marks + 1) >= self->marks_size) { |
Kristján Valur Jónsson | 17b8e97 | 2007-04-25 00:10:50 +0000 | [diff] [blame] | 4597 | int *marks; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4598 | s=self->marks_size+20; |
| 4599 | if (s <= self->num_marks) s=self->num_marks + 1; |
| 4600 | if (self->marks == NULL) |
Kristján Valur Jónsson | 17b8e97 | 2007-04-25 00:10:50 +0000 | [diff] [blame] | 4601 | marks=(int *)malloc(s * sizeof(int)); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4602 | else |
Kristján Valur Jónsson | 17b8e97 | 2007-04-25 00:10:50 +0000 | [diff] [blame] | 4603 | marks=(int *)realloc(self->marks, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4604 | s * sizeof(int)); |
Kristján Valur Jónsson | 17b8e97 | 2007-04-25 00:10:50 +0000 | [diff] [blame] | 4605 | if (!marks) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4606 | PyErr_NoMemory(); |
| 4607 | return -1; |
| 4608 | } |
Kristján Valur Jónsson | 17b8e97 | 2007-04-25 00:10:50 +0000 | [diff] [blame] | 4609 | self->marks = marks; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4610 | self->marks_size = s; |
| 4611 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4612 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4613 | self->marks[self->num_marks++] = self->stack->length; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4614 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4615 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4616 | } |
| 4617 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4618 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4619 | load_reduce(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4620 | { |
| 4621 | PyObject *callable = 0, *arg_tup = 0, *ob = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4622 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4623 | PDATA_POP(self->stack, arg_tup); |
| 4624 | if (! arg_tup) return -1; |
| 4625 | PDATA_POP(self->stack, callable); |
| 4626 | if (callable) { |
| 4627 | ob = Instance_New(callable, arg_tup); |
| 4628 | Py_DECREF(callable); |
| 4629 | } |
| 4630 | Py_DECREF(arg_tup); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4631 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4632 | if (! ob) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4633 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4634 | PDATA_PUSH(self->stack, ob, -1); |
| 4635 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4636 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4637 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 4638 | /* Just raises an error if we don't know the protocol specified. PROTO |
| 4639 | * is the first opcode for protocols >= 2. |
| 4640 | */ |
| 4641 | static int |
| 4642 | load_proto(Unpicklerobject *self) |
| 4643 | { |
| 4644 | int i; |
| 4645 | char *protobyte; |
| 4646 | |
| 4647 | i = self->read_func(self, &protobyte, 1); |
| 4648 | if (i < 0) |
| 4649 | return -1; |
| 4650 | |
| 4651 | i = calc_binint(protobyte, 1); |
| 4652 | /* No point checking for < 0, since calc_binint returns an unsigned |
| 4653 | * int when chewing on 1 byte. |
| 4654 | */ |
| 4655 | assert(i >= 0); |
Tim Peters | 8587b3c | 2003-02-13 15:44:41 +0000 | [diff] [blame] | 4656 | if (i <= HIGHEST_PROTOCOL) |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 4657 | return 0; |
| 4658 | |
| 4659 | PyErr_Format(PyExc_ValueError, "unsupported pickle protocol: %d", i); |
| 4660 | return -1; |
| 4661 | } |
| 4662 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4663 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4664 | load(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4665 | { |
| 4666 | PyObject *err = 0, *val = 0; |
| 4667 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4668 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4669 | self->num_marks = 0; |
| 4670 | if (self->stack->length) Pdata_clear(self->stack, 0); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4671 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4672 | while (1) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 4673 | if (self->read_func(self, &s, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4674 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4675 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4676 | switch (s[0]) { |
| 4677 | case NONE: |
| 4678 | if (load_none(self) < 0) |
| 4679 | break; |
| 4680 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4681 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4682 | case BININT: |
| 4683 | if (load_binint(self) < 0) |
| 4684 | break; |
| 4685 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4686 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4687 | case BININT1: |
| 4688 | if (load_binint1(self) < 0) |
| 4689 | break; |
| 4690 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4691 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4692 | case BININT2: |
| 4693 | if (load_binint2(self) < 0) |
| 4694 | break; |
| 4695 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4696 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4697 | case INT: |
| 4698 | if (load_int(self) < 0) |
| 4699 | break; |
| 4700 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4701 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4702 | case LONG: |
| 4703 | if (load_long(self) < 0) |
| 4704 | break; |
| 4705 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4706 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 4707 | case LONG1: |
| 4708 | if (load_counted_long(self, 1) < 0) |
| 4709 | break; |
| 4710 | continue; |
| 4711 | |
| 4712 | case LONG4: |
| 4713 | if (load_counted_long(self, 4) < 0) |
| 4714 | break; |
| 4715 | continue; |
| 4716 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4717 | case FLOAT: |
| 4718 | if (load_float(self) < 0) |
| 4719 | break; |
| 4720 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4721 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4722 | case BINFLOAT: |
| 4723 | if (load_binfloat(self) < 0) |
| 4724 | break; |
| 4725 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4726 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4727 | case BINSTRING: |
| 4728 | if (load_binstring(self) < 0) |
| 4729 | break; |
| 4730 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4731 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4732 | case SHORT_BINSTRING: |
| 4733 | if (load_short_binstring(self) < 0) |
| 4734 | break; |
| 4735 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4736 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4737 | case STRING: |
| 4738 | if (load_string(self) < 0) |
| 4739 | break; |
| 4740 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4741 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4742 | #ifdef Py_USING_UNICODE |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4743 | case UNICODE: |
| 4744 | if (load_unicode(self) < 0) |
| 4745 | break; |
| 4746 | continue; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4747 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4748 | case BINUNICODE: |
| 4749 | if (load_binunicode(self) < 0) |
| 4750 | break; |
| 4751 | continue; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4752 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4753 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4754 | case EMPTY_TUPLE: |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 4755 | if (load_counted_tuple(self, 0) < 0) |
| 4756 | break; |
| 4757 | continue; |
| 4758 | |
| 4759 | case TUPLE1: |
| 4760 | if (load_counted_tuple(self, 1) < 0) |
| 4761 | break; |
| 4762 | continue; |
| 4763 | |
| 4764 | case TUPLE2: |
| 4765 | if (load_counted_tuple(self, 2) < 0) |
| 4766 | break; |
| 4767 | continue; |
| 4768 | |
| 4769 | case TUPLE3: |
| 4770 | if (load_counted_tuple(self, 3) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4771 | break; |
| 4772 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4773 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4774 | case TUPLE: |
| 4775 | if (load_tuple(self) < 0) |
| 4776 | break; |
| 4777 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4778 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4779 | case EMPTY_LIST: |
| 4780 | if (load_empty_list(self) < 0) |
| 4781 | break; |
| 4782 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4783 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4784 | case LIST: |
| 4785 | if (load_list(self) < 0) |
| 4786 | break; |
| 4787 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4788 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4789 | case EMPTY_DICT: |
| 4790 | if (load_empty_dict(self) < 0) |
| 4791 | break; |
| 4792 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4793 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4794 | case DICT: |
| 4795 | if (load_dict(self) < 0) |
| 4796 | break; |
| 4797 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4798 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4799 | case OBJ: |
| 4800 | if (load_obj(self) < 0) |
| 4801 | break; |
| 4802 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4803 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4804 | case INST: |
| 4805 | if (load_inst(self) < 0) |
| 4806 | break; |
| 4807 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4808 | |
Tim Peters | eab7db3 | 2003-02-13 18:24:14 +0000 | [diff] [blame] | 4809 | case NEWOBJ: |
| 4810 | if (load_newobj(self) < 0) |
| 4811 | break; |
| 4812 | continue; |
| 4813 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4814 | case GLOBAL: |
| 4815 | if (load_global(self) < 0) |
| 4816 | break; |
| 4817 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4818 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4819 | case APPEND: |
| 4820 | if (load_append(self) < 0) |
| 4821 | break; |
| 4822 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4823 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4824 | case APPENDS: |
| 4825 | if (load_appends(self) < 0) |
| 4826 | break; |
| 4827 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4828 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4829 | case BUILD: |
| 4830 | if (load_build(self) < 0) |
| 4831 | break; |
| 4832 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4833 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4834 | case DUP: |
| 4835 | if (load_dup(self) < 0) |
| 4836 | break; |
| 4837 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4838 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4839 | case BINGET: |
| 4840 | if (load_binget(self) < 0) |
| 4841 | break; |
| 4842 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4843 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4844 | case LONG_BINGET: |
| 4845 | if (load_long_binget(self) < 0) |
| 4846 | break; |
| 4847 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4848 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4849 | case GET: |
| 4850 | if (load_get(self) < 0) |
| 4851 | break; |
| 4852 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4853 | |
Tim Peters | 2d62965 | 2003-02-04 05:06:17 +0000 | [diff] [blame] | 4854 | case EXT1: |
| 4855 | if (load_extension(self, 1) < 0) |
| 4856 | break; |
| 4857 | continue; |
| 4858 | |
| 4859 | case EXT2: |
| 4860 | if (load_extension(self, 2) < 0) |
| 4861 | break; |
| 4862 | continue; |
| 4863 | |
| 4864 | case EXT4: |
| 4865 | if (load_extension(self, 4) < 0) |
| 4866 | break; |
| 4867 | continue; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4868 | case MARK: |
| 4869 | if (load_mark(self) < 0) |
| 4870 | break; |
| 4871 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4872 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4873 | case BINPUT: |
| 4874 | if (load_binput(self) < 0) |
| 4875 | break; |
| 4876 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4877 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4878 | case LONG_BINPUT: |
| 4879 | if (load_long_binput(self) < 0) |
| 4880 | break; |
| 4881 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4882 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4883 | case PUT: |
| 4884 | if (load_put(self) < 0) |
| 4885 | break; |
| 4886 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4887 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4888 | case POP: |
| 4889 | if (load_pop(self) < 0) |
| 4890 | break; |
| 4891 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4892 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4893 | case POP_MARK: |
| 4894 | if (load_pop_mark(self) < 0) |
| 4895 | break; |
| 4896 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4897 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4898 | case SETITEM: |
| 4899 | if (load_setitem(self) < 0) |
| 4900 | break; |
| 4901 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4902 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4903 | case SETITEMS: |
| 4904 | if (load_setitems(self) < 0) |
| 4905 | break; |
| 4906 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4907 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4908 | case STOP: |
| 4909 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4910 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4911 | case PERSID: |
| 4912 | if (load_persid(self) < 0) |
| 4913 | break; |
| 4914 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4915 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4916 | case BINPERSID: |
| 4917 | if (load_binpersid(self) < 0) |
| 4918 | break; |
| 4919 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4920 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4921 | case REDUCE: |
| 4922 | if (load_reduce(self) < 0) |
| 4923 | break; |
| 4924 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4925 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 4926 | case PROTO: |
| 4927 | if (load_proto(self) < 0) |
| 4928 | break; |
| 4929 | continue; |
| 4930 | |
Tim Peters | 3c67d79 | 2003-02-02 17:59:11 +0000 | [diff] [blame] | 4931 | case NEWTRUE: |
| 4932 | if (load_bool(self, Py_True) < 0) |
| 4933 | break; |
| 4934 | continue; |
| 4935 | |
| 4936 | case NEWFALSE: |
| 4937 | if (load_bool(self, Py_False) < 0) |
| 4938 | break; |
| 4939 | continue; |
| 4940 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4941 | case '\0': |
| 4942 | /* end of file */ |
| 4943 | PyErr_SetNone(PyExc_EOFError); |
| 4944 | break; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4945 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4946 | default: |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4947 | cPickle_ErrFormat(UnpicklingError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4948 | "invalid load key, '%s'.", |
| 4949 | "c", s[0]); |
| 4950 | return NULL; |
| 4951 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4952 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4953 | break; |
| 4954 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4955 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4956 | if ((err = PyErr_Occurred())) { |
| 4957 | if (err == PyExc_EOFError) { |
| 4958 | PyErr_SetNone(PyExc_EOFError); |
| 4959 | } |
| 4960 | return NULL; |
| 4961 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4962 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4963 | PDATA_POP(self->stack, val); |
| 4964 | return val; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4965 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4966 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4967 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4968 | /* No-load functions to support noload, which is used to |
| 4969 | find persistent references. */ |
| 4970 | |
| 4971 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4972 | noload_obj(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4973 | { |
| 4974 | int i; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4975 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4976 | if ((i = marker(self)) < 0) return -1; |
| 4977 | return Pdata_clear(self->stack, i+1); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4978 | } |
| 4979 | |
| 4980 | |
| 4981 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4982 | noload_inst(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4983 | { |
| 4984 | int i; |
| 4985 | char *s; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4986 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4987 | if ((i = marker(self)) < 0) return -1; |
| 4988 | Pdata_clear(self->stack, i); |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 4989 | if (self->readline_func(self, &s) < 0) return -1; |
| 4990 | if (self->readline_func(self, &s) < 0) return -1; |
Tim Peters | eab7db3 | 2003-02-13 18:24:14 +0000 | [diff] [blame] | 4991 | PDATA_APPEND(self->stack, Py_None, -1); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4992 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4993 | } |
| 4994 | |
| 4995 | static int |
Tim Peters | eab7db3 | 2003-02-13 18:24:14 +0000 | [diff] [blame] | 4996 | noload_newobj(Unpicklerobject *self) |
| 4997 | { |
| 4998 | PyObject *obj; |
| 4999 | |
| 5000 | PDATA_POP(self->stack, obj); /* pop argtuple */ |
| 5001 | if (obj == NULL) return -1; |
| 5002 | Py_DECREF(obj); |
| 5003 | |
| 5004 | PDATA_POP(self->stack, obj); /* pop cls */ |
| 5005 | if (obj == NULL) return -1; |
| 5006 | Py_DECREF(obj); |
| 5007 | |
| 5008 | PDATA_APPEND(self->stack, Py_None, -1); |
| 5009 | return 0; |
| 5010 | } |
| 5011 | |
| 5012 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5013 | noload_global(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5014 | { |
| 5015 | char *s; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5016 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 5017 | if (self->readline_func(self, &s) < 0) return -1; |
| 5018 | if (self->readline_func(self, &s) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5019 | PDATA_APPEND(self->stack, Py_None,-1); |
| 5020 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5021 | } |
| 5022 | |
| 5023 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5024 | noload_reduce(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5025 | { |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5026 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5027 | if (self->stack->length < 2) return stackUnderflow(); |
| 5028 | Pdata_clear(self->stack, self->stack->length-2); |
| 5029 | PDATA_APPEND(self->stack, Py_None,-1); |
| 5030 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5031 | } |
| 5032 | |
| 5033 | static int |
| 5034 | noload_build(Unpicklerobject *self) { |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5035 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 5036 | if (self->stack->length < 1) return stackUnderflow(); |
| 5037 | Pdata_clear(self->stack, self->stack->length-1); |
Guido van Rossum | 50f385c | 1998-12-04 18:48:44 +0000 | [diff] [blame] | 5038 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5039 | } |
| 5040 | |
Tim Peters | 2d62965 | 2003-02-04 05:06:17 +0000 | [diff] [blame] | 5041 | static int |
| 5042 | noload_extension(Unpicklerobject *self, int nbytes) |
| 5043 | { |
| 5044 | char *codebytes; |
| 5045 | |
| 5046 | assert(nbytes == 1 || nbytes == 2 || nbytes == 4); |
| 5047 | if (self->read_func(self, &codebytes, nbytes) < 0) return -1; |
| 5048 | PDATA_APPEND(self->stack, Py_None, -1); |
| 5049 | return 0; |
| 5050 | } |
| 5051 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5052 | |
| 5053 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5054 | noload(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5055 | { |
| 5056 | PyObject *err = 0, *val = 0; |
| 5057 | char *s; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5058 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5059 | self->num_marks = 0; |
| 5060 | Pdata_clear(self->stack, 0); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5061 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5062 | while (1) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 5063 | if (self->read_func(self, &s, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5064 | break; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5065 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5066 | switch (s[0]) { |
| 5067 | case NONE: |
| 5068 | if (load_none(self) < 0) |
| 5069 | break; |
| 5070 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5071 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5072 | case BININT: |
| 5073 | if (load_binint(self) < 0) |
| 5074 | break; |
| 5075 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5076 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5077 | case BININT1: |
| 5078 | if (load_binint1(self) < 0) |
| 5079 | break; |
| 5080 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5081 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5082 | case BININT2: |
| 5083 | if (load_binint2(self) < 0) |
| 5084 | break; |
| 5085 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5086 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5087 | case INT: |
| 5088 | if (load_int(self) < 0) |
| 5089 | break; |
| 5090 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5091 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5092 | case LONG: |
| 5093 | if (load_long(self) < 0) |
| 5094 | break; |
| 5095 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5096 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 5097 | case LONG1: |
| 5098 | if (load_counted_long(self, 1) < 0) |
| 5099 | break; |
| 5100 | continue; |
| 5101 | |
| 5102 | case LONG4: |
| 5103 | if (load_counted_long(self, 4) < 0) |
| 5104 | break; |
| 5105 | continue; |
| 5106 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5107 | case FLOAT: |
| 5108 | if (load_float(self) < 0) |
| 5109 | break; |
| 5110 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5111 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5112 | case BINFLOAT: |
| 5113 | if (load_binfloat(self) < 0) |
| 5114 | break; |
| 5115 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5116 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5117 | case BINSTRING: |
| 5118 | if (load_binstring(self) < 0) |
| 5119 | break; |
| 5120 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5121 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5122 | case SHORT_BINSTRING: |
| 5123 | if (load_short_binstring(self) < 0) |
| 5124 | break; |
| 5125 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5126 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5127 | case STRING: |
| 5128 | if (load_string(self) < 0) |
| 5129 | break; |
| 5130 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5131 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 5132 | #ifdef Py_USING_UNICODE |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5133 | case UNICODE: |
| 5134 | if (load_unicode(self) < 0) |
| 5135 | break; |
| 5136 | continue; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 5137 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5138 | case BINUNICODE: |
| 5139 | if (load_binunicode(self) < 0) |
| 5140 | break; |
| 5141 | continue; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 5142 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 5143 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5144 | case EMPTY_TUPLE: |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 5145 | if (load_counted_tuple(self, 0) < 0) |
| 5146 | break; |
| 5147 | continue; |
| 5148 | |
| 5149 | case TUPLE1: |
| 5150 | if (load_counted_tuple(self, 1) < 0) |
| 5151 | break; |
| 5152 | continue; |
| 5153 | |
| 5154 | case TUPLE2: |
| 5155 | if (load_counted_tuple(self, 2) < 0) |
| 5156 | break; |
| 5157 | continue; |
| 5158 | |
| 5159 | case TUPLE3: |
| 5160 | if (load_counted_tuple(self, 3) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5161 | break; |
| 5162 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5163 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5164 | case TUPLE: |
| 5165 | if (load_tuple(self) < 0) |
| 5166 | break; |
| 5167 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5168 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5169 | case EMPTY_LIST: |
| 5170 | if (load_empty_list(self) < 0) |
| 5171 | break; |
| 5172 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5173 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5174 | case LIST: |
| 5175 | if (load_list(self) < 0) |
| 5176 | break; |
| 5177 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5178 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5179 | case EMPTY_DICT: |
| 5180 | if (load_empty_dict(self) < 0) |
| 5181 | break; |
| 5182 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5183 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5184 | case DICT: |
| 5185 | if (load_dict(self) < 0) |
| 5186 | break; |
| 5187 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5188 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5189 | case OBJ: |
| 5190 | if (noload_obj(self) < 0) |
| 5191 | break; |
| 5192 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5193 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5194 | case INST: |
| 5195 | if (noload_inst(self) < 0) |
| 5196 | break; |
| 5197 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5198 | |
Tim Peters | eab7db3 | 2003-02-13 18:24:14 +0000 | [diff] [blame] | 5199 | case NEWOBJ: |
| 5200 | if (noload_newobj(self) < 0) |
| 5201 | break; |
| 5202 | continue; |
| 5203 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5204 | case GLOBAL: |
| 5205 | if (noload_global(self) < 0) |
| 5206 | break; |
| 5207 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5208 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5209 | case APPEND: |
| 5210 | if (load_append(self) < 0) |
| 5211 | break; |
| 5212 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5213 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5214 | case APPENDS: |
| 5215 | if (load_appends(self) < 0) |
| 5216 | break; |
| 5217 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 5218 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5219 | case BUILD: |
| 5220 | if (noload_build(self) < 0) |
| 5221 | break; |
| 5222 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 5223 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5224 | case DUP: |
| 5225 | if (load_dup(self) < 0) |
| 5226 | break; |
| 5227 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5228 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5229 | case BINGET: |
| 5230 | if (load_binget(self) < 0) |
| 5231 | break; |
| 5232 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5233 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5234 | case LONG_BINGET: |
| 5235 | if (load_long_binget(self) < 0) |
| 5236 | break; |
| 5237 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 5238 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5239 | case GET: |
| 5240 | if (load_get(self) < 0) |
| 5241 | break; |
| 5242 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5243 | |
Tim Peters | 2d62965 | 2003-02-04 05:06:17 +0000 | [diff] [blame] | 5244 | case EXT1: |
| 5245 | if (noload_extension(self, 1) < 0) |
| 5246 | break; |
| 5247 | continue; |
| 5248 | |
| 5249 | case EXT2: |
| 5250 | if (noload_extension(self, 2) < 0) |
| 5251 | break; |
| 5252 | continue; |
| 5253 | |
| 5254 | case EXT4: |
| 5255 | if (noload_extension(self, 4) < 0) |
| 5256 | break; |
| 5257 | continue; |
| 5258 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5259 | case MARK: |
| 5260 | if (load_mark(self) < 0) |
| 5261 | break; |
| 5262 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5263 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5264 | case BINPUT: |
| 5265 | if (load_binput(self) < 0) |
| 5266 | break; |
| 5267 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5268 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5269 | case LONG_BINPUT: |
| 5270 | if (load_long_binput(self) < 0) |
| 5271 | break; |
| 5272 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 5273 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5274 | case PUT: |
| 5275 | if (load_put(self) < 0) |
| 5276 | break; |
| 5277 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5278 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5279 | case POP: |
| 5280 | if (load_pop(self) < 0) |
| 5281 | break; |
| 5282 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5283 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5284 | case POP_MARK: |
| 5285 | if (load_pop_mark(self) < 0) |
| 5286 | break; |
| 5287 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5288 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5289 | case SETITEM: |
| 5290 | if (load_setitem(self) < 0) |
| 5291 | break; |
| 5292 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5293 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5294 | case SETITEMS: |
| 5295 | if (load_setitems(self) < 0) |
| 5296 | break; |
| 5297 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5298 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5299 | case STOP: |
| 5300 | break; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5301 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5302 | case PERSID: |
| 5303 | if (load_persid(self) < 0) |
| 5304 | break; |
| 5305 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5306 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5307 | case BINPERSID: |
| 5308 | if (load_binpersid(self) < 0) |
| 5309 | break; |
| 5310 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5311 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5312 | case REDUCE: |
| 5313 | if (noload_reduce(self) < 0) |
| 5314 | break; |
| 5315 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5316 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 5317 | case PROTO: |
| 5318 | if (load_proto(self) < 0) |
| 5319 | break; |
| 5320 | continue; |
| 5321 | |
Tim Peters | 3c67d79 | 2003-02-02 17:59:11 +0000 | [diff] [blame] | 5322 | case NEWTRUE: |
| 5323 | if (load_bool(self, Py_True) < 0) |
| 5324 | break; |
| 5325 | continue; |
| 5326 | |
| 5327 | case NEWFALSE: |
| 5328 | if (load_bool(self, Py_False) < 0) |
| 5329 | break; |
| 5330 | continue; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5331 | default: |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5332 | cPickle_ErrFormat(UnpicklingError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5333 | "invalid load key, '%s'.", |
| 5334 | "c", s[0]); |
| 5335 | return NULL; |
| 5336 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5337 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5338 | break; |
| 5339 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5340 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5341 | if ((err = PyErr_Occurred())) { |
| 5342 | if (err == PyExc_EOFError) { |
| 5343 | PyErr_SetNone(PyExc_EOFError); |
| 5344 | } |
| 5345 | return NULL; |
| 5346 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5347 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5348 | PDATA_POP(self->stack, val); |
| 5349 | return val; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5350 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 5351 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5352 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5353 | static PyObject * |
Georg Brandl | 96a8c39 | 2006-05-29 21:04:52 +0000 | [diff] [blame] | 5354 | Unpickler_load(Unpicklerobject *self, PyObject *unused) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5355 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5356 | return load(self); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5357 | } |
| 5358 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5359 | static PyObject * |
Georg Brandl | 96a8c39 | 2006-05-29 21:04:52 +0000 | [diff] [blame] | 5360 | Unpickler_noload(Unpicklerobject *self, PyObject *unused) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5361 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5362 | return noload(self); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5363 | } |
| 5364 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5365 | |
| 5366 | static struct PyMethodDef Unpickler_methods[] = { |
Georg Brandl | 96a8c39 | 2006-05-29 21:04:52 +0000 | [diff] [blame] | 5367 | {"load", (PyCFunction)Unpickler_load, METH_NOARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 5368 | PyDoc_STR("load() -- Load a pickle") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5369 | }, |
Georg Brandl | 96a8c39 | 2006-05-29 21:04:52 +0000 | [diff] [blame] | 5370 | {"noload", (PyCFunction)Unpickler_noload, METH_NOARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 5371 | PyDoc_STR( |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5372 | "noload() -- not load a pickle, but go through most of the motions\n" |
| 5373 | "\n" |
| 5374 | "This function can be used to read past a pickle without instantiating\n" |
| 5375 | "any objects or importing any modules. It can also be used to find all\n" |
| 5376 | "persistent references without instantiating any objects or importing\n" |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 5377 | "any modules.\n") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5378 | }, |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5379 | {NULL, NULL} /* sentinel */ |
| 5380 | }; |
| 5381 | |
| 5382 | |
| 5383 | static Unpicklerobject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5384 | newUnpicklerobject(PyObject *f) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5385 | { |
| 5386 | Unpicklerobject *self; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5387 | |
Jeremy Hylton | 7b5ce7f | 2003-04-09 21:25:30 +0000 | [diff] [blame] | 5388 | if (!( self = PyObject_GC_New(Unpicklerobject, &Unpicklertype))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5389 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5390 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5391 | self->file = NULL; |
| 5392 | self->arg = NULL; |
| 5393 | self->stack = (Pdata*)Pdata_New(); |
| 5394 | self->pers_func = NULL; |
| 5395 | self->last_string = NULL; |
| 5396 | self->marks = NULL; |
| 5397 | self->num_marks = 0; |
| 5398 | self->marks_size = 0; |
| 5399 | self->buf_size = 0; |
| 5400 | self->read = NULL; |
| 5401 | self->readline = NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5402 | self->find_class = NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5403 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5404 | if (!( self->memo = PyDict_New())) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5405 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5406 | |
Neal Norwitz | b59d08c | 2006-07-22 16:20:49 +0000 | [diff] [blame] | 5407 | if (!self->stack) |
| 5408 | goto err; |
| 5409 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5410 | Py_INCREF(f); |
| 5411 | self->file = f; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5412 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5413 | /* Set read, readline based on type of f */ |
| 5414 | if (PyFile_Check(f)) { |
| 5415 | self->fp = PyFile_AsFile(f); |
| 5416 | if (self->fp == NULL) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5417 | PyErr_SetString(PyExc_ValueError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5418 | "I/O operation on closed file"); |
| 5419 | goto err; |
| 5420 | } |
| 5421 | self->read_func = read_file; |
| 5422 | self->readline_func = readline_file; |
Guido van Rossum | c91fcaa | 1999-03-29 20:00:14 +0000 | [diff] [blame] | 5423 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5424 | else if (PycStringIO_InputCheck(f)) { |
| 5425 | self->fp = NULL; |
| 5426 | self->read_func = read_cStringIO; |
| 5427 | self->readline_func = readline_cStringIO; |
| 5428 | } |
| 5429 | else { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5430 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5431 | self->fp = NULL; |
| 5432 | self->read_func = read_other; |
| 5433 | self->readline_func = readline_other; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5434 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5435 | if (!( (self->readline = PyObject_GetAttr(f, readline_str)) && |
| 5436 | (self->read = PyObject_GetAttr(f, read_str)))) { |
| 5437 | PyErr_Clear(); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5438 | PyErr_SetString( PyExc_TypeError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5439 | "argument must have 'read' and " |
| 5440 | "'readline' attributes" ); |
| 5441 | goto err; |
| 5442 | } |
| 5443 | } |
Jeremy Hylton | 7b5ce7f | 2003-04-09 21:25:30 +0000 | [diff] [blame] | 5444 | PyObject_GC_Track(self); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5445 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5446 | return self; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5447 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5448 | err: |
| 5449 | Py_DECREF((PyObject *)self); |
| 5450 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5451 | } |
| 5452 | |
| 5453 | |
| 5454 | static PyObject * |
Georg Brandl | 96a8c39 | 2006-05-29 21:04:52 +0000 | [diff] [blame] | 5455 | get_Unpickler(PyObject *self, PyObject *file) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5456 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5457 | return (PyObject *)newUnpicklerobject(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5458 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5459 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5460 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5461 | static void |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5462 | Unpickler_dealloc(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5463 | { |
Jeremy Hylton | 7b5ce7f | 2003-04-09 21:25:30 +0000 | [diff] [blame] | 5464 | PyObject_GC_UnTrack((PyObject *)self); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5465 | Py_XDECREF(self->readline); |
| 5466 | Py_XDECREF(self->read); |
| 5467 | Py_XDECREF(self->file); |
| 5468 | Py_XDECREF(self->memo); |
| 5469 | Py_XDECREF(self->stack); |
| 5470 | Py_XDECREF(self->pers_func); |
| 5471 | Py_XDECREF(self->arg); |
| 5472 | Py_XDECREF(self->last_string); |
Jeremy Hylton | fff093f | 2003-07-11 19:42:49 +0000 | [diff] [blame] | 5473 | Py_XDECREF(self->find_class); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5474 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5475 | if (self->marks) { |
| 5476 | free(self->marks); |
| 5477 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5478 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5479 | if (self->buf_size) { |
| 5480 | free(self->buf); |
| 5481 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 5482 | |
Christian Heimes | e93237d | 2007-12-19 02:37:44 +0000 | [diff] [blame] | 5483 | Py_TYPE(self)->tp_free((PyObject *)self); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5484 | } |
| 5485 | |
Jeremy Hylton | 7b5ce7f | 2003-04-09 21:25:30 +0000 | [diff] [blame] | 5486 | static int |
| 5487 | Unpickler_traverse(Unpicklerobject *self, visitproc visit, void *arg) |
| 5488 | { |
Thomas Wouters | c6e5506 | 2006-04-15 21:47:09 +0000 | [diff] [blame] | 5489 | Py_VISIT(self->readline); |
| 5490 | Py_VISIT(self->read); |
| 5491 | Py_VISIT(self->file); |
| 5492 | Py_VISIT(self->memo); |
| 5493 | Py_VISIT(self->stack); |
| 5494 | Py_VISIT(self->pers_func); |
| 5495 | Py_VISIT(self->arg); |
| 5496 | Py_VISIT(self->last_string); |
| 5497 | Py_VISIT(self->find_class); |
Jeremy Hylton | 7b5ce7f | 2003-04-09 21:25:30 +0000 | [diff] [blame] | 5498 | return 0; |
| 5499 | } |
| 5500 | |
| 5501 | static int |
| 5502 | Unpickler_clear(Unpicklerobject *self) |
| 5503 | { |
Thomas Wouters | edf17d8 | 2006-04-15 17:28:34 +0000 | [diff] [blame] | 5504 | Py_CLEAR(self->readline); |
| 5505 | Py_CLEAR(self->read); |
| 5506 | Py_CLEAR(self->file); |
| 5507 | Py_CLEAR(self->memo); |
| 5508 | Py_CLEAR(self->stack); |
| 5509 | Py_CLEAR(self->pers_func); |
| 5510 | Py_CLEAR(self->arg); |
| 5511 | Py_CLEAR(self->last_string); |
| 5512 | Py_CLEAR(self->find_class); |
Jeremy Hylton | 7b5ce7f | 2003-04-09 21:25:30 +0000 | [diff] [blame] | 5513 | return 0; |
| 5514 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5515 | |
| 5516 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5517 | Unpickler_getattr(Unpicklerobject *self, char *name) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5518 | { |
| 5519 | if (!strcmp(name, "persistent_load")) { |
| 5520 | if (!self->pers_func) { |
| 5521 | PyErr_SetString(PyExc_AttributeError, name); |
| 5522 | return NULL; |
| 5523 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5524 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5525 | Py_INCREF(self->pers_func); |
| 5526 | return self->pers_func; |
| 5527 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5528 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5529 | if (!strcmp(name, "find_global")) { |
| 5530 | if (!self->find_class) { |
| 5531 | PyErr_SetString(PyExc_AttributeError, name); |
| 5532 | return NULL; |
| 5533 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 5534 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5535 | Py_INCREF(self->find_class); |
| 5536 | return self->find_class; |
| 5537 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 5538 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5539 | if (!strcmp(name, "memo")) { |
| 5540 | if (!self->memo) { |
| 5541 | PyErr_SetString(PyExc_AttributeError, name); |
| 5542 | return NULL; |
| 5543 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5544 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5545 | Py_INCREF(self->memo); |
| 5546 | return self->memo; |
| 5547 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5548 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5549 | if (!strcmp(name, "UnpicklingError")) { |
| 5550 | Py_INCREF(UnpicklingError); |
| 5551 | return UnpicklingError; |
| 5552 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5553 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5554 | return Py_FindMethod(Unpickler_methods, (PyObject *)self, name); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5555 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5556 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5557 | |
| 5558 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5559 | Unpickler_setattr(Unpicklerobject *self, char *name, PyObject *value) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5560 | { |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 5561 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5562 | if (!strcmp(name, "persistent_load")) { |
| 5563 | Py_XDECREF(self->pers_func); |
| 5564 | self->pers_func = value; |
| 5565 | Py_XINCREF(value); |
| 5566 | return 0; |
| 5567 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 5568 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5569 | if (!strcmp(name, "find_global")) { |
| 5570 | Py_XDECREF(self->find_class); |
| 5571 | self->find_class = value; |
| 5572 | Py_XINCREF(value); |
| 5573 | return 0; |
| 5574 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 5575 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5576 | if (! value) { |
| 5577 | PyErr_SetString(PyExc_TypeError, |
| 5578 | "attribute deletion is not supported"); |
| 5579 | return -1; |
| 5580 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 5581 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5582 | if (strcmp(name, "memo") == 0) { |
| 5583 | if (!PyDict_Check(value)) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5584 | PyErr_SetString(PyExc_TypeError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5585 | "memo must be a dictionary"); |
| 5586 | return -1; |
| 5587 | } |
| 5588 | Py_XDECREF(self->memo); |
| 5589 | self->memo = value; |
| 5590 | Py_INCREF(value); |
| 5591 | return 0; |
| 5592 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 5593 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5594 | PyErr_SetString(PyExc_AttributeError, name); |
| 5595 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5596 | } |
| 5597 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5598 | /* --------------------------------------------------------------------------- |
| 5599 | * Module-level functions. |
| 5600 | */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5601 | |
Martin v. Löwis | 544f119 | 2004-07-27 05:22:33 +0000 | [diff] [blame] | 5602 | /* dump(obj, file, protocol=0). */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5603 | static PyObject * |
Martin v. Löwis | 544f119 | 2004-07-27 05:22:33 +0000 | [diff] [blame] | 5604 | cpm_dump(PyObject *self, PyObject *args, PyObject *kwds) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5605 | { |
Martin v. Löwis | 15e6274 | 2006-02-27 16:46:16 +0000 | [diff] [blame] | 5606 | static char *kwlist[] = {"obj", "file", "protocol", NULL}; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5607 | PyObject *ob, *file, *res = NULL; |
| 5608 | Picklerobject *pickler = 0; |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5609 | int proto = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5610 | |
Martin v. Löwis | 544f119 | 2004-07-27 05:22:33 +0000 | [diff] [blame] | 5611 | if (!( PyArg_ParseTupleAndKeywords(args, kwds, "OO|i", kwlist, |
| 5612 | &ob, &file, &proto))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5613 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5614 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5615 | if (!( pickler = newPicklerobject(file, proto))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5616 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5617 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5618 | if (dump(pickler, ob) < 0) |
| 5619 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5620 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5621 | Py_INCREF(Py_None); |
| 5622 | res = Py_None; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5623 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5624 | finally: |
| 5625 | Py_XDECREF(pickler); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5626 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5627 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5628 | } |
| 5629 | |
| 5630 | |
Martin v. Löwis | 544f119 | 2004-07-27 05:22:33 +0000 | [diff] [blame] | 5631 | /* dumps(obj, protocol=0). */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5632 | static PyObject * |
Martin v. Löwis | 544f119 | 2004-07-27 05:22:33 +0000 | [diff] [blame] | 5633 | cpm_dumps(PyObject *self, PyObject *args, PyObject *kwds) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5634 | { |
Martin v. Löwis | 15e6274 | 2006-02-27 16:46:16 +0000 | [diff] [blame] | 5635 | static char *kwlist[] = {"obj", "protocol", NULL}; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5636 | PyObject *ob, *file = 0, *res = NULL; |
| 5637 | Picklerobject *pickler = 0; |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5638 | int proto = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5639 | |
Martin v. Löwis | 544f119 | 2004-07-27 05:22:33 +0000 | [diff] [blame] | 5640 | if (!( PyArg_ParseTupleAndKeywords(args, kwds, "O|i:dumps", kwlist, |
| 5641 | &ob, &proto))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5642 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5643 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5644 | if (!( file = PycStringIO->NewOutput(128))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5645 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5646 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5647 | if (!( pickler = newPicklerobject(file, proto))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5648 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5649 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5650 | if (dump(pickler, ob) < 0) |
| 5651 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5652 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5653 | res = PycStringIO->cgetvalue(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5654 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5655 | finally: |
| 5656 | Py_XDECREF(pickler); |
| 5657 | Py_XDECREF(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5658 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5659 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 5660 | } |
| 5661 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5662 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5663 | /* load(fileobj). */ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5664 | static PyObject * |
Georg Brandl | 96a8c39 | 2006-05-29 21:04:52 +0000 | [diff] [blame] | 5665 | cpm_load(PyObject *self, PyObject *ob) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5666 | { |
| 5667 | Unpicklerobject *unpickler = 0; |
Georg Brandl | 96a8c39 | 2006-05-29 21:04:52 +0000 | [diff] [blame] | 5668 | PyObject *res = NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5669 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5670 | if (!( unpickler = newUnpicklerobject(ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5671 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5672 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5673 | res = load(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5674 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5675 | finally: |
| 5676 | Py_XDECREF(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5677 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5678 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5679 | } |
| 5680 | |
| 5681 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5682 | /* loads(string) */ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5683 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5684 | cpm_loads(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5685 | { |
| 5686 | PyObject *ob, *file = 0, *res = NULL; |
| 5687 | Unpicklerobject *unpickler = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5688 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5689 | if (!( PyArg_ParseTuple(args, "S:loads", &ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5690 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5691 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5692 | if (!( file = PycStringIO->NewInput(ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5693 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 5694 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5695 | if (!( unpickler = newUnpicklerobject(file))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5696 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5697 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5698 | res = load(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5699 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5700 | finally: |
| 5701 | Py_XDECREF(file); |
| 5702 | Py_XDECREF(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5703 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5704 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5705 | } |
| 5706 | |
| 5707 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 5708 | PyDoc_STRVAR(Unpicklertype__doc__, |
| 5709 | "Objects that know how to unpickle"); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5710 | |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 5711 | static PyTypeObject Unpicklertype = { |
Martin v. Löwis | 6819210 | 2007-07-21 06:55:02 +0000 | [diff] [blame] | 5712 | PyVarObject_HEAD_INIT(NULL, 0) |
Jeremy Hylton | 7b5ce7f | 2003-04-09 21:25:30 +0000 | [diff] [blame] | 5713 | "cPickle.Unpickler", /*tp_name*/ |
| 5714 | sizeof(Unpicklerobject), /*tp_basicsize*/ |
| 5715 | 0, |
| 5716 | (destructor)Unpickler_dealloc, /* tp_dealloc */ |
| 5717 | 0, /* tp_print */ |
| 5718 | (getattrfunc)Unpickler_getattr, /* tp_getattr */ |
| 5719 | (setattrfunc)Unpickler_setattr, /* tp_setattr */ |
| 5720 | 0, /* tp_compare */ |
| 5721 | 0, /* tp_repr */ |
| 5722 | 0, /* tp_as_number */ |
| 5723 | 0, /* tp_as_sequence */ |
| 5724 | 0, /* tp_as_mapping */ |
| 5725 | 0, /* tp_hash */ |
| 5726 | 0, /* tp_call */ |
| 5727 | 0, /* tp_str */ |
| 5728 | 0, /* tp_getattro */ |
| 5729 | 0, /* tp_setattro */ |
| 5730 | 0, /* tp_as_buffer */ |
| 5731 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC, |
| 5732 | Unpicklertype__doc__, /* tp_doc */ |
| 5733 | (traverseproc)Unpickler_traverse, /* tp_traverse */ |
| 5734 | (inquiry)Unpickler_clear, /* tp_clear */ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 5735 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5736 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5737 | static struct PyMethodDef cPickle_methods[] = { |
Martin v. Löwis | 544f119 | 2004-07-27 05:22:33 +0000 | [diff] [blame] | 5738 | {"dump", (PyCFunction)cpm_dump, METH_VARARGS | METH_KEYWORDS, |
| 5739 | PyDoc_STR("dump(obj, file, protocol=0) -- " |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5740 | "Write an object in pickle format to the given file.\n" |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5741 | "\n" |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5742 | "See the Pickler docstring for the meaning of optional argument proto.") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5743 | }, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5744 | |
Martin v. Löwis | 544f119 | 2004-07-27 05:22:33 +0000 | [diff] [blame] | 5745 | {"dumps", (PyCFunction)cpm_dumps, METH_VARARGS | METH_KEYWORDS, |
| 5746 | PyDoc_STR("dumps(obj, protocol=0) -- " |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5747 | "Return a string containing an object in pickle format.\n" |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5748 | "\n" |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5749 | "See the Pickler docstring for the meaning of optional argument proto.") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5750 | }, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5751 | |
Georg Brandl | 96a8c39 | 2006-05-29 21:04:52 +0000 | [diff] [blame] | 5752 | {"load", (PyCFunction)cpm_load, METH_O, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 5753 | PyDoc_STR("load(file) -- Load a pickle from the given file")}, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5754 | |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 5755 | {"loads", (PyCFunction)cpm_loads, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 5756 | PyDoc_STR("loads(string) -- Load a pickle from the given string")}, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5757 | |
Martin v. Löwis | 544f119 | 2004-07-27 05:22:33 +0000 | [diff] [blame] | 5758 | {"Pickler", (PyCFunction)get_Pickler, METH_VARARGS | METH_KEYWORDS, |
| 5759 | PyDoc_STR("Pickler(file, protocol=0) -- Create a pickler.\n" |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5760 | "\n" |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5761 | "This takes a file-like object for writing a pickle data stream.\n" |
| 5762 | "The optional proto argument tells the pickler to use the given\n" |
| 5763 | "protocol; supported protocols are 0, 1, 2. The default\n" |
| 5764 | "protocol is 0, to be backwards compatible. (Protocol 0 is the\n" |
| 5765 | "only protocol that can be written to a file opened in text\n" |
| 5766 | "mode and read back successfully. When using a protocol higher\n" |
| 5767 | "than 0, make sure the file is opened in binary mode, both when\n" |
| 5768 | "pickling and unpickling.)\n" |
| 5769 | "\n" |
| 5770 | "Protocol 1 is more efficient than protocol 0; protocol 2 is\n" |
| 5771 | "more efficient than protocol 1.\n" |
| 5772 | "\n" |
| 5773 | "Specifying a negative protocol version selects the highest\n" |
| 5774 | "protocol version supported. The higher the protocol used, the\n" |
| 5775 | "more recent the version of Python needed to read the pickle\n" |
| 5776 | "produced.\n" |
| 5777 | "\n" |
| 5778 | "The file parameter must have a write() method that accepts a single\n" |
| 5779 | "string argument. It can thus be an open file object, a StringIO\n" |
| 5780 | "object, or any other custom object that meets this interface.\n") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5781 | }, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5782 | |
Georg Brandl | 96a8c39 | 2006-05-29 21:04:52 +0000 | [diff] [blame] | 5783 | {"Unpickler", (PyCFunction)get_Unpickler, METH_O, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5784 | PyDoc_STR("Unpickler(file) -- Create an unpickler.")}, |
| 5785 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5786 | { NULL, NULL } |
| 5787 | }; |
| 5788 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5789 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5790 | init_stuff(PyObject *module_dict) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5791 | { |
Alexandre Vassalotti | 9510e4a | 2008-05-11 08:25:28 +0000 | [diff] [blame] | 5792 | PyObject *copyreg, *t, *r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5793 | |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 5794 | #define INIT_STR(S) if (!( S ## _str=PyString_InternFromString(#S))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5795 | |
Tim Peters | 3cfe754 | 2003-05-21 21:29:48 +0000 | [diff] [blame] | 5796 | if (PyType_Ready(&Unpicklertype) < 0) |
| 5797 | return -1; |
| 5798 | if (PyType_Ready(&Picklertype) < 0) |
| 5799 | return -1; |
| 5800 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5801 | INIT_STR(__class__); |
| 5802 | INIT_STR(__getinitargs__); |
| 5803 | INIT_STR(__dict__); |
| 5804 | INIT_STR(__getstate__); |
| 5805 | INIT_STR(__setstate__); |
| 5806 | INIT_STR(__name__); |
| 5807 | INIT_STR(__main__); |
| 5808 | INIT_STR(__reduce__); |
Guido van Rossum | b289b87 | 2003-02-19 01:45:13 +0000 | [diff] [blame] | 5809 | INIT_STR(__reduce_ex__); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5810 | INIT_STR(write); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5811 | INIT_STR(append); |
| 5812 | INIT_STR(read); |
| 5813 | INIT_STR(readline); |
Alexandre Vassalotti | 9510e4a | 2008-05-11 08:25:28 +0000 | [diff] [blame] | 5814 | INIT_STR(copyreg); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5815 | INIT_STR(dispatch_table); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5816 | |
Georg Brandl | dffbf5f | 2008-05-20 07:49:57 +0000 | [diff] [blame] | 5817 | if (!( copyreg = PyImport_ImportModule("copy_reg"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5818 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5819 | |
Tim Peters | 1f1b2d2 | 2003-02-01 02:16:37 +0000 | [diff] [blame] | 5820 | /* This is special because we want to use a different |
| 5821 | one in restricted mode. */ |
Alexandre Vassalotti | 9510e4a | 2008-05-11 08:25:28 +0000 | [diff] [blame] | 5822 | dispatch_table = PyObject_GetAttr(copyreg, dispatch_table_str); |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5823 | if (!dispatch_table) return -1; |
| 5824 | |
Alexandre Vassalotti | 9510e4a | 2008-05-11 08:25:28 +0000 | [diff] [blame] | 5825 | extension_registry = PyObject_GetAttrString(copyreg, |
Guido van Rossum | d4b920c | 2003-02-04 01:54:49 +0000 | [diff] [blame] | 5826 | "_extension_registry"); |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5827 | if (!extension_registry) return -1; |
| 5828 | |
Alexandre Vassalotti | 9510e4a | 2008-05-11 08:25:28 +0000 | [diff] [blame] | 5829 | inverted_registry = PyObject_GetAttrString(copyreg, |
Guido van Rossum | d4b920c | 2003-02-04 01:54:49 +0000 | [diff] [blame] | 5830 | "_inverted_registry"); |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5831 | if (!inverted_registry) return -1; |
| 5832 | |
Alexandre Vassalotti | 9510e4a | 2008-05-11 08:25:28 +0000 | [diff] [blame] | 5833 | extension_cache = PyObject_GetAttrString(copyreg, |
Guido van Rossum | d4b920c | 2003-02-04 01:54:49 +0000 | [diff] [blame] | 5834 | "_extension_cache"); |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5835 | if (!extension_cache) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5836 | |
Alexandre Vassalotti | 9510e4a | 2008-05-11 08:25:28 +0000 | [diff] [blame] | 5837 | Py_DECREF(copyreg); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5838 | |
Tim Peters | 731098b | 2003-02-04 20:56:09 +0000 | [diff] [blame] | 5839 | if (!(empty_tuple = PyTuple_New(0))) |
| 5840 | return -1; |
| 5841 | |
| 5842 | two_tuple = PyTuple_New(2); |
| 5843 | if (two_tuple == NULL) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5844 | return -1; |
Tim Peters | 3e667d5 | 2003-02-04 21:47:44 +0000 | [diff] [blame] | 5845 | /* We use this temp container with no regard to refcounts, or to |
| 5846 | * keeping containees alive. Exempt from GC, because we don't |
| 5847 | * want anything looking at two_tuple() by magic. |
| 5848 | */ |
| 5849 | PyObject_GC_UnTrack(two_tuple); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5850 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5851 | /* Ugh */ |
| 5852 | if (!( t=PyImport_ImportModule("__builtin__"))) return -1; |
| 5853 | if (PyDict_SetItemString(module_dict, "__builtins__", t) < 0) |
| 5854 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5855 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5856 | if (!( t=PyDict_New())) return -1; |
| 5857 | if (!( r=PyRun_String( |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5858 | "def __str__(self):\n" |
| 5859 | " return self.args and ('%s' % self.args[0]) or '(what)'\n", |
| 5860 | Py_file_input, |
| 5861 | module_dict, t) )) return -1; |
| 5862 | Py_DECREF(r); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5863 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5864 | PickleError = PyErr_NewException("cPickle.PickleError", NULL, t); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5865 | if (!PickleError) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5866 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5867 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5868 | Py_DECREF(t); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5869 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5870 | PicklingError = PyErr_NewException("cPickle.PicklingError", |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5871 | PickleError, NULL); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5872 | if (!PicklingError) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5873 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5874 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5875 | if (!( t=PyDict_New())) return -1; |
| 5876 | if (!( r=PyRun_String( |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5877 | "def __str__(self):\n" |
| 5878 | " a=self.args\n" |
| 5879 | " a=a and type(a[0]) or '(what)'\n" |
| 5880 | " return 'Cannot pickle %s objects' % a\n" |
| 5881 | , Py_file_input, |
| 5882 | module_dict, t) )) return -1; |
| 5883 | Py_DECREF(r); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 5884 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5885 | if (!( UnpickleableError = PyErr_NewException( |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5886 | "cPickle.UnpickleableError", PicklingError, t))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5887 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5888 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5889 | Py_DECREF(t); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5890 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5891 | if (!( UnpicklingError = PyErr_NewException("cPickle.UnpicklingError", |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5892 | PickleError, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5893 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5894 | |
Martin v. Löwis | 658009a | 2002-09-16 17:26:24 +0000 | [diff] [blame] | 5895 | if (!( BadPickleGet = PyErr_NewException("cPickle.BadPickleGet", |
| 5896 | UnpicklingError, NULL))) |
| 5897 | return -1; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5898 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5899 | if (PyDict_SetItemString(module_dict, "PickleError", |
| 5900 | PickleError) < 0) |
| 5901 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5902 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5903 | if (PyDict_SetItemString(module_dict, "PicklingError", |
| 5904 | PicklingError) < 0) |
| 5905 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5906 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5907 | if (PyDict_SetItemString(module_dict, "UnpicklingError", |
| 5908 | UnpicklingError) < 0) |
| 5909 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5910 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5911 | if (PyDict_SetItemString(module_dict, "UnpickleableError", |
| 5912 | UnpickleableError) < 0) |
| 5913 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5914 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5915 | if (PyDict_SetItemString(module_dict, "BadPickleGet", |
| 5916 | BadPickleGet) < 0) |
| 5917 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5918 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5919 | PycString_IMPORT; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 5920 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5921 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5922 | } |
| 5923 | |
Mark Hammond | fe51c6d | 2002-08-02 02:27:13 +0000 | [diff] [blame] | 5924 | #ifndef PyMODINIT_FUNC /* declarations for DLL import/export */ |
| 5925 | #define PyMODINIT_FUNC void |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 5926 | #endif |
Mark Hammond | fe51c6d | 2002-08-02 02:27:13 +0000 | [diff] [blame] | 5927 | PyMODINIT_FUNC |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5928 | initcPickle(void) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5929 | { |
| 5930 | PyObject *m, *d, *di, *v, *k; |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 5931 | Py_ssize_t i; |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5932 | char *rev = "1.71"; /* XXX when does this change? */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5933 | PyObject *format_version; |
| 5934 | PyObject *compatible_formats; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5935 | |
Alexandre Vassalotti | 3c4971c | 2008-05-16 19:14:31 +0000 | [diff] [blame] | 5936 | /* XXX: Should mention that the pickle module will include the C |
| 5937 | XXX: optimized implementation automatically. */ |
| 5938 | if (PyErr_WarnPy3k("the cPickle module has been removed in " |
| 5939 | "Python 3.0", 2) < 0) |
| 5940 | return; |
| 5941 | |
Christian Heimes | e93237d | 2007-12-19 02:37:44 +0000 | [diff] [blame] | 5942 | Py_TYPE(&Picklertype) = &PyType_Type; |
| 5943 | Py_TYPE(&Unpicklertype) = &PyType_Type; |
| 5944 | Py_TYPE(&PdataType) = &PyType_Type; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5945 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5946 | /* Initialize some pieces. We need to do this before module creation, |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5947 | * so we're forced to use a temporary dictionary. :( |
| 5948 | */ |
| 5949 | di = PyDict_New(); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5950 | if (!di) return; |
| 5951 | if (init_stuff(di) < 0) return; |
Guido van Rossum | ebba420 | 2000-09-07 14:35:37 +0000 | [diff] [blame] | 5952 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5953 | /* Create the module and add the functions */ |
| 5954 | m = Py_InitModule4("cPickle", cPickle_methods, |
| 5955 | cPickle_module_documentation, |
| 5956 | (PyObject*)NULL,PYTHON_API_VERSION); |
Neal Norwitz | 1ac754f | 2006-01-19 06:09:39 +0000 | [diff] [blame] | 5957 | if (m == NULL) |
| 5958 | return; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5959 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5960 | /* Add some symbolic constants to the module */ |
| 5961 | d = PyModule_GetDict(m); |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 5962 | v = PyString_FromString(rev); |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5963 | PyDict_SetItemString(d, "__version__", v); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5964 | Py_XDECREF(v); |
Barry Warsaw | 93d29b6 | 1997-01-14 17:45:08 +0000 | [diff] [blame] | 5965 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5966 | /* Copy data from di. Waaa. */ |
| 5967 | for (i=0; PyDict_Next(di, &i, &k, &v); ) { |
| 5968 | if (PyObject_SetItem(d, k, v) < 0) { |
| 5969 | Py_DECREF(di); |
| 5970 | return; |
| 5971 | } |
| 5972 | } |
| 5973 | Py_DECREF(di); |
Guido van Rossum | ebba420 | 2000-09-07 14:35:37 +0000 | [diff] [blame] | 5974 | |
Tim Peters | 8587b3c | 2003-02-13 15:44:41 +0000 | [diff] [blame] | 5975 | i = PyModule_AddIntConstant(m, "HIGHEST_PROTOCOL", HIGHEST_PROTOCOL); |
| 5976 | if (i < 0) |
| 5977 | return; |
| 5978 | |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5979 | /* These are purely informational; no code uses them. */ |
| 5980 | /* File format version we write. */ |
Gregory P. Smith | dd96db6 | 2008-06-09 04:58:54 +0000 | [diff] [blame] | 5981 | format_version = PyString_FromString("2.0"); |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5982 | /* Format versions we can read. */ |
| 5983 | compatible_formats = Py_BuildValue("[sssss]", |
| 5984 | "1.0", /* Original protocol 0 */ |
| 5985 | "1.1", /* Protocol 0 + INST */ |
| 5986 | "1.2", /* Original protocol 1 */ |
| 5987 | "1.3", /* Protocol 1 + BINFLOAT */ |
Tim Peters | 0dd23aa | 2003-02-04 00:30:46 +0000 | [diff] [blame] | 5988 | "2.0"); /* Original protocol 2 */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5989 | PyDict_SetItemString(d, "format_version", format_version); |
| 5990 | PyDict_SetItemString(d, "compatible_formats", compatible_formats); |
| 5991 | Py_XDECREF(format_version); |
| 5992 | Py_XDECREF(compatible_formats); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5993 | } |