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. */ |
| 18 | #define CURRENT_PROTOCOL_NUMBER 2 |
| 19 | |
Tim Peters | 797ec24 | 2003-02-01 06:22:36 +0000 | [diff] [blame] | 20 | /* |
| 21 | * Pickle opcodes. These must be kept in synch with pickle.py. Extensive |
| 22 | * docs are in pickletools.py. |
| 23 | */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 24 | #define MARK '(' |
| 25 | #define STOP '.' |
| 26 | #define POP '0' |
| 27 | #define POP_MARK '1' |
| 28 | #define DUP '2' |
| 29 | #define FLOAT 'F' |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 30 | #define BINFLOAT 'G' |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 31 | #define INT 'I' |
| 32 | #define BININT 'J' |
| 33 | #define BININT1 'K' |
| 34 | #define LONG 'L' |
| 35 | #define BININT2 'M' |
| 36 | #define NONE 'N' |
| 37 | #define PERSID 'P' |
| 38 | #define BINPERSID 'Q' |
| 39 | #define REDUCE 'R' |
| 40 | #define STRING 'S' |
| 41 | #define BINSTRING 'T' |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 42 | #define SHORT_BINSTRING 'U' |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 43 | #define UNICODE 'V' |
| 44 | #define BINUNICODE 'X' |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 45 | #define APPEND 'a' |
| 46 | #define BUILD 'b' |
| 47 | #define GLOBAL 'c' |
| 48 | #define DICT 'd' |
| 49 | #define EMPTY_DICT '}' |
| 50 | #define APPENDS 'e' |
| 51 | #define GET 'g' |
| 52 | #define BINGET 'h' |
| 53 | #define INST 'i' |
| 54 | #define LONG_BINGET 'j' |
| 55 | #define LIST 'l' |
| 56 | #define EMPTY_LIST ']' |
| 57 | #define OBJ 'o' |
| 58 | #define PUT 'p' |
| 59 | #define BINPUT 'q' |
| 60 | #define LONG_BINPUT 'r' |
| 61 | #define SETITEM 's' |
| 62 | #define TUPLE 't' |
| 63 | #define EMPTY_TUPLE ')' |
| 64 | #define SETITEMS 'u' |
Tim Peters | 797ec24 | 2003-02-01 06:22:36 +0000 | [diff] [blame] | 65 | |
| 66 | /* Protocol 2. */ |
| 67 | #define PROTO '\x80' /* identify pickle protocol */ |
| 68 | #define NEWOBJ '\x81' /* build object by applying cls.__new__ to argtuple */ |
| 69 | #define EXT1 '\x82' /* push object from extension registry; 1-byte index */ |
| 70 | #define EXT2 '\x83' /* ditto, but 2-byte index */ |
| 71 | #define EXT4 '\x84' /* ditto, but 4-byte index */ |
| 72 | #define TUPLE1 '\x85' /* build 1-tuple from stack top */ |
| 73 | #define TUPLE2 '\x86' /* build 2-tuple from two topmost stack items */ |
| 74 | #define TUPLE3 '\x87' /* build 3-tuple from three topmost stack items */ |
| 75 | #define NEWTRUE '\x88' /* push True */ |
| 76 | #define NEWFALSE '\x89' /* push False */ |
| 77 | #define LONG1 '\x8a' /* push long from < 256 bytes */ |
| 78 | #define LONG4 '\x8b' /* push really big long */ |
| 79 | |
| 80 | /* There aren't opcodes -- they're ways to pickle bools before protocol 2, |
| 81 | * so that unpicklers written before bools were introduced unpickle them |
| 82 | * as ints, but unpicklers after can recognize that bools were intended. |
| 83 | * Note that protocol 2 added direct ways to pickle bools. |
| 84 | */ |
Jack Jansen | 3a96702 | 2002-06-26 20:40:42 +0000 | [diff] [blame] | 85 | #undef TRUE |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 86 | #define TRUE "I01\n" |
Jack Jansen | 3a96702 | 2002-06-26 20:40:42 +0000 | [diff] [blame] | 87 | #undef FALSE |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 88 | #define FALSE "I00\n" |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 89 | |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame] | 90 | /* Keep in synch with pickle.Pickler._BATCHSIZE. This is how many elements |
Tim Peters | 42f08ac | 2003-02-11 22:43:24 +0000 | [diff] [blame] | 91 | * batch_list/dict() pumps out before doing APPENDS/SETITEMS. Nothing will |
| 92 | * break if this gets out of synch with pickle.py, but it's unclear that |
| 93 | * would help anything either. |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame] | 94 | */ |
| 95 | #define BATCHSIZE 1000 |
| 96 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 97 | static char MARKv = MARK; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 98 | |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 99 | static PyObject *PickleError; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 100 | static PyObject *PicklingError; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 101 | static PyObject *UnpickleableError; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 102 | static PyObject *UnpicklingError; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 103 | static PyObject *BadPickleGet; |
| 104 | |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 105 | /* As the name says, an empty tuple. */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 106 | static PyObject *empty_tuple; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 107 | |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 108 | /* copy_reg.dispatch_table, {type_object: pickling_function} */ |
| 109 | static PyObject *dispatch_table; |
| 110 | |
| 111 | /* For EXT[124] opcodes. */ |
Guido van Rossum | d4b920c | 2003-02-04 01:54:49 +0000 | [diff] [blame] | 112 | /* copy_reg._extension_registry, {(module_name, function_name): code} */ |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 113 | static PyObject *extension_registry; |
Guido van Rossum | d4b920c | 2003-02-04 01:54:49 +0000 | [diff] [blame] | 114 | /* copy_reg._inverted_registry, {code: (module_name, function_name)} */ |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 115 | static PyObject *inverted_registry; |
Guido van Rossum | d4b920c | 2003-02-04 01:54:49 +0000 | [diff] [blame] | 116 | /* copy_reg._extension_cache, {code: object} */ |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 117 | static PyObject *extension_cache; |
| 118 | |
Tim Peters | 731098b | 2003-02-04 20:56:09 +0000 | [diff] [blame] | 119 | /* For looking up name pairs in copy_reg._extension_registry. */ |
| 120 | static PyObject *two_tuple; |
| 121 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 122 | static PyObject *__class___str, *__getinitargs___str, *__dict___str, |
| 123 | *__getstate___str, *__setstate___str, *__name___str, *__reduce___str, |
Tim Peters | 1f1b2d2 | 2003-02-01 02:16:37 +0000 | [diff] [blame] | 124 | *write_str, *append_str, |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 125 | *read_str, *readline_str, *__main___str, *__basicnew___str, |
Tim Peters | 1f1b2d2 | 2003-02-01 02:16:37 +0000 | [diff] [blame] | 126 | *copy_reg_str, *dispatch_table_str; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 127 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 128 | /************************************************************************* |
| 129 | Internal Data type for pickle data. */ |
| 130 | |
| 131 | typedef struct { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 132 | PyObject_HEAD |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 133 | int length; /* number of initial slots in data currently used */ |
| 134 | int size; /* number of slots in data allocated */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 135 | PyObject **data; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 136 | } Pdata; |
| 137 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 138 | static void |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 139 | Pdata_dealloc(Pdata *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 140 | { |
| 141 | int i; |
| 142 | PyObject **p; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 143 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 144 | for (i = self->length, p = self->data; --i >= 0; p++) { |
| 145 | Py_DECREF(*p); |
| 146 | } |
| 147 | if (self->data) |
| 148 | free(self->data); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 149 | PyObject_Del(self); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 150 | } |
| 151 | |
| 152 | static PyTypeObject PdataType = { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 153 | PyObject_HEAD_INIT(NULL) 0, "cPickle.Pdata", sizeof(Pdata), 0, |
| 154 | (destructor)Pdata_dealloc, |
| 155 | 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] | 156 | }; |
| 157 | |
| 158 | #define Pdata_Check(O) ((O)->ob_type == &PdataType) |
| 159 | |
| 160 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 161 | Pdata_New(void) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 162 | { |
| 163 | Pdata *self; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 164 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 165 | if (!(self = PyObject_New(Pdata, &PdataType))) |
| 166 | return NULL; |
| 167 | self->size = 8; |
| 168 | self->length = 0; |
| 169 | self->data = malloc(self->size * sizeof(PyObject*)); |
| 170 | if (self->data) |
| 171 | return (PyObject*)self; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 172 | Py_DECREF(self); |
| 173 | return PyErr_NoMemory(); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 174 | } |
| 175 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 176 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 177 | stackUnderflow(void) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 178 | { |
| 179 | PyErr_SetString(UnpicklingError, "unpickling stack underflow"); |
| 180 | return -1; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 181 | } |
| 182 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 183 | /* Retain only the initial clearto items. If clearto >= the current |
| 184 | * number of items, this is a (non-erroneous) NOP. |
| 185 | */ |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 186 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 187 | Pdata_clear(Pdata *self, int clearto) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 188 | { |
| 189 | int i; |
| 190 | PyObject **p; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 191 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 192 | if (clearto < 0) return stackUnderflow(); |
| 193 | if (clearto >= self->length) return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 194 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 195 | for (i = self->length, p = self->data + clearto; |
| 196 | --i >= clearto; |
| 197 | p++) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 198 | Py_DECREF(*p); |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 199 | } |
| 200 | self->length = clearto; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 201 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 202 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 203 | } |
| 204 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 205 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 206 | Pdata_grow(Pdata *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 207 | { |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 208 | int bigger; |
| 209 | size_t nbytes; |
| 210 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 211 | bigger = self->size << 1; |
Tim Peters | e0a3907 | 2003-02-03 15:45:56 +0000 | [diff] [blame] | 212 | if (bigger <= 0) /* was 0, or new value overflows */ |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 213 | goto nomemory; |
| 214 | if ((int)(size_t)bigger != bigger) |
| 215 | goto nomemory; |
| 216 | nbytes = (size_t)bigger * sizeof(PyObject *); |
| 217 | if (nbytes / sizeof(PyObject *) != (size_t)bigger) |
| 218 | goto nomemory; |
| 219 | self->data = realloc(self->data, nbytes); |
| 220 | if (self->data == NULL) |
| 221 | goto nomemory; |
| 222 | self->size = bigger; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 223 | return 0; |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 224 | |
| 225 | nomemory: |
| 226 | self->size = 0; |
| 227 | PyErr_NoMemory(); |
| 228 | return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 229 | } |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 230 | |
Tim Peters | e0a3907 | 2003-02-03 15:45:56 +0000 | [diff] [blame] | 231 | /* D is a Pdata*. Pop the topmost element and store it into V, which |
| 232 | * must be an lvalue holding PyObject*. On stack underflow, UnpicklingError |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 233 | * is raised and V is set to NULL. D and V may be evaluated several times. |
| 234 | */ |
| 235 | #define PDATA_POP(D, V) { \ |
Tim Peters | e0a3907 | 2003-02-03 15:45:56 +0000 | [diff] [blame] | 236 | if ((D)->length) \ |
| 237 | (V) = (D)->data[--((D)->length)]; \ |
| 238 | else { \ |
| 239 | PyErr_SetString(UnpicklingError, "bad pickle data"); \ |
| 240 | (V) = NULL; \ |
| 241 | } \ |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 242 | } |
| 243 | |
Tim Peters | e0a3907 | 2003-02-03 15:45:56 +0000 | [diff] [blame] | 244 | /* PDATA_PUSH and PDATA_APPEND both push rvalue PyObject* O on to Pdata* |
| 245 | * D. If the Pdata stack can't be grown to hold the new value, both |
| 246 | * raise MemoryError and execute "return ER". The difference is in ownership |
| 247 | * of O after: _PUSH transfers ownership of O from the caller to the stack |
| 248 | * (no incref of O is done, and in case of error O is decrefed), while |
| 249 | * _APPEND pushes a new reference. |
| 250 | */ |
| 251 | |
| 252 | /* Push O on stack D, giving ownership of O to the stack. */ |
| 253 | #define PDATA_PUSH(D, O, ER) { \ |
| 254 | if (((Pdata*)(D))->length == ((Pdata*)(D))->size && \ |
| 255 | Pdata_grow((Pdata*)(D)) < 0) { \ |
| 256 | Py_DECREF(O); \ |
| 257 | return ER; \ |
| 258 | } \ |
| 259 | ((Pdata*)(D))->data[((Pdata*)(D))->length++] = (O); \ |
| 260 | } |
| 261 | |
| 262 | /* Push O on stack D, pushing a new reference. */ |
| 263 | #define PDATA_APPEND(D, O, ER) { \ |
| 264 | if (((Pdata*)(D))->length == ((Pdata*)(D))->size && \ |
| 265 | Pdata_grow((Pdata*)(D)) < 0) \ |
| 266 | return ER; \ |
| 267 | Py_INCREF(O); \ |
| 268 | ((Pdata*)(D))->data[((Pdata*)(D))->length++] = (O); \ |
| 269 | } |
| 270 | |
| 271 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 272 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 273 | Pdata_popTuple(Pdata *self, int start) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 274 | { |
| 275 | PyObject *r; |
| 276 | int i, j, l; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 277 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 278 | l = self->length-start; |
| 279 | r = PyTuple_New(l); |
| 280 | if (r == NULL) |
| 281 | return NULL; |
| 282 | for (i = start, j = 0 ; j < l; i++, j++) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 283 | PyTuple_SET_ITEM(r, j, self->data[i]); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 284 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 285 | self->length = start; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 286 | return r; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 287 | } |
| 288 | |
| 289 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 290 | Pdata_popList(Pdata *self, int start) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 291 | { |
| 292 | PyObject *r; |
| 293 | int i, j, l; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 294 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 295 | l=self->length-start; |
| 296 | if (!( r=PyList_New(l))) return NULL; |
| 297 | for (i=start, j=0 ; j < l; i++, j++) |
| 298 | PyList_SET_ITEM(r, j, self->data[i]); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 299 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 300 | self->length=start; |
| 301 | return r; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 302 | } |
| 303 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 304 | /*************************************************************************/ |
| 305 | |
| 306 | #define ARG_TUP(self, o) { \ |
| 307 | if (self->arg || (self->arg=PyTuple_New(1))) { \ |
| 308 | Py_XDECREF(PyTuple_GET_ITEM(self->arg,0)); \ |
| 309 | PyTuple_SET_ITEM(self->arg,0,o); \ |
| 310 | } \ |
| 311 | else { \ |
| 312 | Py_DECREF(o); \ |
| 313 | } \ |
| 314 | } |
| 315 | |
| 316 | #define FREE_ARG_TUP(self) { \ |
| 317 | if (self->arg->ob_refcnt > 1) { \ |
| 318 | Py_DECREF(self->arg); \ |
| 319 | self->arg=NULL; \ |
| 320 | } \ |
| 321 | } |
| 322 | |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 323 | typedef struct Picklerobject { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 324 | PyObject_HEAD |
| 325 | FILE *fp; |
| 326 | PyObject *write; |
| 327 | PyObject *file; |
| 328 | PyObject *memo; |
| 329 | PyObject *arg; |
| 330 | PyObject *pers_func; |
| 331 | PyObject *inst_pers_func; |
Tim Peters | 797ec24 | 2003-02-01 06:22:36 +0000 | [diff] [blame] | 332 | |
| 333 | /* pickle protocol number, >= 0 */ |
| 334 | int proto; |
| 335 | |
| 336 | /* bool, true if proto > 0 */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 337 | int bin; |
Tim Peters | 797ec24 | 2003-02-01 06:22:36 +0000 | [diff] [blame] | 338 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 339 | int fast; /* Fast mode doesn't save in memo, don't use if circ ref */ |
Martin v. Löwis | 5a39530 | 2002-08-04 08:20:23 +0000 | [diff] [blame] | 340 | int nesting; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 341 | int (*write_func)(struct Picklerobject *, char *, int); |
| 342 | char *write_buf; |
| 343 | int buf_size; |
| 344 | PyObject *dispatch_table; |
| 345 | int fast_container; /* count nested container dumps */ |
| 346 | PyObject *fast_memo; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 347 | } Picklerobject; |
| 348 | |
Barry Warsaw | 52acb49 | 2001-12-21 20:04:22 +0000 | [diff] [blame] | 349 | #ifndef PY_CPICKLE_FAST_LIMIT |
| 350 | #define PY_CPICKLE_FAST_LIMIT 50 |
| 351 | #endif |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 352 | |
Jeremy Hylton | 938ace6 | 2002-07-17 16:30:39 +0000 | [diff] [blame] | 353 | static PyTypeObject Picklertype; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 354 | |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 355 | typedef struct Unpicklerobject { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 356 | PyObject_HEAD |
| 357 | FILE *fp; |
| 358 | PyObject *file; |
| 359 | PyObject *readline; |
| 360 | PyObject *read; |
| 361 | PyObject *memo; |
| 362 | PyObject *arg; |
| 363 | Pdata *stack; |
| 364 | PyObject *mark; |
| 365 | PyObject *pers_func; |
| 366 | PyObject *last_string; |
| 367 | int *marks; |
| 368 | int num_marks; |
| 369 | int marks_size; |
| 370 | int (*read_func)(struct Unpicklerobject *, char **, int); |
| 371 | int (*readline_func)(struct Unpicklerobject *, char **); |
| 372 | int buf_size; |
| 373 | char *buf; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 374 | PyObject *find_class; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 375 | } Unpicklerobject; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 376 | |
Jeremy Hylton | 938ace6 | 2002-07-17 16:30:39 +0000 | [diff] [blame] | 377 | static PyTypeObject Unpicklertype; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 378 | |
Thomas Wouters | 4789b3a | 2000-07-24 11:36:47 +0000 | [diff] [blame] | 379 | /* Forward decls that need the above structs */ |
| 380 | static int save(Picklerobject *, PyObject *, int); |
| 381 | static int put2(Picklerobject *, PyObject *); |
| 382 | |
Guido van Rossum | d385d59 | 1997-04-09 17:47:47 +0000 | [diff] [blame] | 383 | static |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 384 | PyObject * |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 385 | cPickle_ErrFormat(PyObject *ErrType, char *stringformat, char *format, ...) |
| 386 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 387 | va_list va; |
| 388 | PyObject *args=0, *retval=0; |
| 389 | va_start(va, format); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 390 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 391 | if (format) args = Py_VaBuildValue(format, va); |
| 392 | va_end(va); |
| 393 | if (format && ! args) return NULL; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 394 | if (stringformat && !(retval=PyString_FromString(stringformat))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 395 | return NULL; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 396 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 397 | if (retval) { |
| 398 | if (args) { |
| 399 | PyObject *v; |
| 400 | v=PyString_Format(retval, args); |
| 401 | Py_DECREF(retval); |
| 402 | Py_DECREF(args); |
| 403 | if (! v) return NULL; |
| 404 | retval=v; |
| 405 | } |
| 406 | } |
| 407 | else |
| 408 | if (args) retval=args; |
| 409 | else { |
| 410 | PyErr_SetObject(ErrType,Py_None); |
| 411 | return NULL; |
| 412 | } |
| 413 | PyErr_SetObject(ErrType,retval); |
| 414 | Py_DECREF(retval); |
| 415 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 416 | } |
| 417 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 418 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 419 | write_file(Picklerobject *self, char *s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 420 | { |
| 421 | size_t nbyteswritten; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 422 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 423 | if (s == NULL) { |
| 424 | return 0; |
| 425 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 426 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 427 | Py_BEGIN_ALLOW_THREADS |
Jeremy Hylton | 7fa4bfa | 2002-07-18 20:58:57 +0000 | [diff] [blame] | 428 | nbyteswritten = fwrite(s, sizeof(char), n, self->fp); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 429 | Py_END_ALLOW_THREADS |
Jeremy Hylton | 7fa4bfa | 2002-07-18 20:58:57 +0000 | [diff] [blame] | 430 | if (nbyteswritten != (size_t)n) { |
| 431 | PyErr_SetFromErrno(PyExc_IOError); |
| 432 | return -1; |
| 433 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 434 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 435 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 436 | } |
| 437 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 438 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 439 | write_cStringIO(Picklerobject *self, char *s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 440 | { |
| 441 | if (s == NULL) { |
| 442 | return 0; |
| 443 | } |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 444 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 445 | if (PycStringIO->cwrite((PyObject *)self->file, s, n) != n) { |
| 446 | return -1; |
| 447 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 448 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 449 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 450 | } |
| 451 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 452 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 453 | write_none(Picklerobject *self, char *s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 454 | { |
| 455 | if (s == NULL) return 0; |
| 456 | return n; |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 457 | } |
| 458 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 459 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 460 | write_other(Picklerobject *self, char *s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 461 | { |
| 462 | PyObject *py_str = 0, *junk = 0; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 463 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 464 | if (s == NULL) { |
| 465 | if (!( self->buf_size )) return 0; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 466 | py_str = PyString_FromStringAndSize(self->write_buf, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 467 | self->buf_size); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 468 | if (!py_str) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 469 | return -1; |
| 470 | } |
| 471 | else { |
| 472 | if (self->buf_size && (n + self->buf_size) > WRITE_BUF_SIZE) { |
| 473 | if (write_other(self, NULL, 0) < 0) |
| 474 | return -1; |
| 475 | } |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 476 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 477 | if (n > WRITE_BUF_SIZE) { |
| 478 | if (!( py_str = |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 479 | PyString_FromStringAndSize(s, n))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 480 | return -1; |
| 481 | } |
| 482 | else { |
| 483 | memcpy(self->write_buf + self->buf_size, s, n); |
| 484 | self->buf_size += n; |
| 485 | return n; |
| 486 | } |
| 487 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 488 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 489 | if (self->write) { |
| 490 | /* object with write method */ |
| 491 | ARG_TUP(self, py_str); |
| 492 | if (self->arg) { |
| 493 | junk = PyObject_Call(self->write, self->arg, NULL); |
| 494 | FREE_ARG_TUP(self); |
| 495 | } |
| 496 | if (junk) Py_DECREF(junk); |
| 497 | else return -1; |
| 498 | } |
| 499 | else |
| 500 | PDATA_PUSH(self->file, py_str, -1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 501 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 502 | self->buf_size = 0; |
| 503 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 504 | } |
| 505 | |
| 506 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 507 | static int |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 508 | read_file(Unpicklerobject *self, char **s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 509 | { |
| 510 | size_t nbytesread; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 511 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 512 | if (self->buf_size == 0) { |
| 513 | int size; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 514 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 515 | size = ((n < 32) ? 32 : n); |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 516 | if (!( self->buf = (char *)malloc(size))) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 517 | PyErr_NoMemory(); |
| 518 | return -1; |
| 519 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 520 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 521 | self->buf_size = size; |
| 522 | } |
| 523 | else if (n > self->buf_size) { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 524 | self->buf = (char *)realloc(self->buf, n); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 525 | if (!self->buf) { |
| 526 | PyErr_NoMemory(); |
| 527 | return -1; |
| 528 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 529 | self->buf_size = n; |
| 530 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 531 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 532 | Py_BEGIN_ALLOW_THREADS |
| 533 | nbytesread = fread(self->buf, sizeof(char), n, self->fp); |
| 534 | Py_END_ALLOW_THREADS |
| 535 | if (nbytesread != (size_t)n) { |
| 536 | if (feof(self->fp)) { |
| 537 | PyErr_SetNone(PyExc_EOFError); |
| 538 | return -1; |
| 539 | } |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 540 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 541 | PyErr_SetFromErrno(PyExc_IOError); |
| 542 | return -1; |
| 543 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 544 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 545 | *s = self->buf; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 546 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 547 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 548 | } |
| 549 | |
| 550 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 551 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 552 | readline_file(Unpicklerobject *self, char **s) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 553 | { |
| 554 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 555 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 556 | if (self->buf_size == 0) { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 557 | if (!( self->buf = (char *)malloc(40))) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 558 | PyErr_NoMemory(); |
| 559 | return -1; |
| 560 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 561 | self->buf_size = 40; |
| 562 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 563 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 564 | i = 0; |
| 565 | while (1) { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 566 | int bigger; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 567 | for (; i < (self->buf_size - 1); i++) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 568 | if (feof(self->fp) || |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 569 | (self->buf[i] = getc(self->fp)) == '\n') { |
| 570 | self->buf[i + 1] = '\0'; |
| 571 | *s = self->buf; |
| 572 | return i + 1; |
| 573 | } |
| 574 | } |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 575 | bigger = self->buf_size << 1; |
| 576 | if (bigger <= 0) { /* overflow */ |
| 577 | PyErr_NoMemory(); |
| 578 | return -1; |
| 579 | } |
| 580 | self->buf = (char *)realloc(self->buf, bigger); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 581 | if (!self->buf) { |
| 582 | PyErr_NoMemory(); |
| 583 | return -1; |
| 584 | } |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 585 | self->buf_size = bigger; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 586 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 587 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 588 | |
| 589 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 590 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 591 | read_cStringIO(Unpicklerobject *self, char **s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 592 | { |
| 593 | char *ptr; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 594 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 595 | if (PycStringIO->cread((PyObject *)self->file, &ptr, n) != n) { |
| 596 | PyErr_SetNone(PyExc_EOFError); |
| 597 | return -1; |
| 598 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 599 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 600 | *s = ptr; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 601 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 602 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 603 | } |
| 604 | |
| 605 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 606 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 607 | readline_cStringIO(Unpicklerobject *self, char **s) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 608 | { |
| 609 | int n; |
| 610 | char *ptr; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 611 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 612 | if ((n = PycStringIO->creadline((PyObject *)self->file, &ptr)) < 0) { |
| 613 | return -1; |
| 614 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 615 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 616 | *s = ptr; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 617 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 618 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 619 | } |
| 620 | |
| 621 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 622 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 623 | read_other(Unpicklerobject *self, char **s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 624 | { |
| 625 | PyObject *bytes, *str=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 626 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 627 | if (!( bytes = PyInt_FromLong(n))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 628 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 629 | ARG_TUP(self, bytes); |
| 630 | if (self->arg) { |
| 631 | str = PyObject_Call(self->read, self->arg, NULL); |
| 632 | FREE_ARG_TUP(self); |
| 633 | } |
| 634 | if (! str) return -1; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 635 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 636 | Py_XDECREF(self->last_string); |
| 637 | self->last_string = str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 638 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 639 | if (! (*s = PyString_AsString(str))) return -1; |
| 640 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 641 | } |
| 642 | |
| 643 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 644 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 645 | readline_other(Unpicklerobject *self, char **s) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 646 | { |
| 647 | PyObject *str; |
| 648 | int str_size; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 649 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 650 | if (!( str = PyObject_CallObject(self->readline, empty_tuple))) { |
| 651 | return -1; |
| 652 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 653 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 654 | if ((str_size = PyString_Size(str)) < 0) |
| 655 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 656 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 657 | Py_XDECREF(self->last_string); |
| 658 | self->last_string = str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 659 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 660 | if (! (*s = PyString_AsString(str))) |
| 661 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 662 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 663 | return str_size; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 664 | } |
| 665 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 666 | /* Copy the first n bytes from s into newly malloc'ed memory, plus a |
| 667 | * trailing 0 byte. Return a pointer to that, or NULL if out of memory. |
| 668 | * The caller is responsible for free()'ing the return value. |
| 669 | */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 670 | static char * |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 671 | pystrndup(char *s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 672 | { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 673 | char *r = (char *)malloc(n+1); |
| 674 | if (r == NULL) |
| 675 | return (char*)PyErr_NoMemory(); |
| 676 | memcpy(r, s, n); |
| 677 | r[n] = 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 678 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 679 | } |
| 680 | |
| 681 | |
| 682 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 683 | get(Picklerobject *self, PyObject *id) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 684 | { |
| 685 | PyObject *value, *mv; |
| 686 | long c_value; |
| 687 | char s[30]; |
| 688 | size_t len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 689 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 690 | if (!( mv = PyDict_GetItem(self->memo, id))) { |
| 691 | PyErr_SetObject(PyExc_KeyError, id); |
| 692 | return -1; |
| 693 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 694 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 695 | if (!( value = PyTuple_GetItem(mv, 0))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 696 | return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 697 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 698 | if (!( PyInt_Check(value))) { |
| 699 | PyErr_SetString(PicklingError, "no int where int expected in memo"); |
| 700 | return -1; |
| 701 | } |
| 702 | c_value = PyInt_AS_LONG((PyIntObject*)value); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 703 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 704 | if (!self->bin) { |
| 705 | s[0] = GET; |
| 706 | PyOS_snprintf(s + 1, sizeof(s) - 1, "%ld\n", c_value); |
| 707 | len = strlen(s); |
| 708 | } |
| 709 | else if (Pdata_Check(self->file)) { |
| 710 | if (write_other(self, NULL, 0) < 0) return -1; |
| 711 | PDATA_APPEND(self->file, mv, -1); |
| 712 | return 0; |
| 713 | } |
| 714 | else { |
| 715 | if (c_value < 256) { |
| 716 | s[0] = BINGET; |
| 717 | s[1] = (int)(c_value & 0xff); |
| 718 | len = 2; |
| 719 | } |
| 720 | else { |
| 721 | s[0] = LONG_BINGET; |
| 722 | s[1] = (int)(c_value & 0xff); |
| 723 | s[2] = (int)((c_value >> 8) & 0xff); |
| 724 | s[3] = (int)((c_value >> 16) & 0xff); |
| 725 | s[4] = (int)((c_value >> 24) & 0xff); |
| 726 | len = 5; |
| 727 | } |
| 728 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 729 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 730 | if (self->write_func(self, s, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 731 | return -1; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 732 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 733 | return 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 734 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 735 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 736 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 737 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 738 | put(Picklerobject *self, PyObject *ob) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 739 | { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 740 | if (ob->ob_refcnt < 2 || self->fast) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 741 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 742 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 743 | return put2(self, ob); |
| 744 | } |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 745 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 746 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 747 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 748 | put2(Picklerobject *self, PyObject *ob) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 749 | { |
| 750 | char c_str[30]; |
| 751 | int p; |
| 752 | size_t len; |
| 753 | int res = -1; |
| 754 | PyObject *py_ob_id = 0, *memo_len = 0, *t = 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 755 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 756 | if (self->fast) |
| 757 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 758 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 759 | if ((p = PyDict_Size(self->memo)) < 0) |
| 760 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 761 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 762 | /* Make sure memo keys are positive! */ |
Tim Peters | 70b02d7 | 2003-02-02 17:26:40 +0000 | [diff] [blame] | 763 | /* XXX Why? |
| 764 | * XXX And does "positive" really mean non-negative? |
| 765 | * XXX pickle.py starts with PUT index 0, not 1. This makes for |
| 766 | * XXX gratuitous differences between the pickling modules. |
| 767 | */ |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 768 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 769 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 770 | if (!( py_ob_id = PyLong_FromVoidPtr(ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 771 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 772 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 773 | if (!( memo_len = PyInt_FromLong(p))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 774 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 775 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 776 | if (!( t = PyTuple_New(2))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 777 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 778 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 779 | PyTuple_SET_ITEM(t, 0, memo_len); |
| 780 | Py_INCREF(memo_len); |
| 781 | PyTuple_SET_ITEM(t, 1, ob); |
| 782 | Py_INCREF(ob); |
| 783 | |
| 784 | if (PyDict_SetItem(self->memo, py_ob_id, t) < 0) |
| 785 | goto finally; |
| 786 | |
| 787 | if (!self->bin) { |
| 788 | c_str[0] = PUT; |
| 789 | PyOS_snprintf(c_str + 1, sizeof(c_str) - 1, "%d\n", p); |
| 790 | len = strlen(c_str); |
| 791 | } |
| 792 | else if (Pdata_Check(self->file)) { |
| 793 | if (write_other(self, NULL, 0) < 0) return -1; |
| 794 | PDATA_APPEND(self->file, memo_len, -1); |
| 795 | res=0; /* Job well done ;) */ |
| 796 | goto finally; |
| 797 | } |
| 798 | else { |
| 799 | if (p >= 256) { |
| 800 | c_str[0] = LONG_BINPUT; |
| 801 | c_str[1] = (int)(p & 0xff); |
| 802 | c_str[2] = (int)((p >> 8) & 0xff); |
| 803 | c_str[3] = (int)((p >> 16) & 0xff); |
| 804 | c_str[4] = (int)((p >> 24) & 0xff); |
| 805 | len = 5; |
| 806 | } |
| 807 | else { |
| 808 | c_str[0] = BINPUT; |
| 809 | c_str[1] = p; |
| 810 | len = 2; |
| 811 | } |
| 812 | } |
| 813 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 814 | if (self->write_func(self, c_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 815 | goto finally; |
| 816 | |
| 817 | res = 0; |
| 818 | |
| 819 | finally: |
| 820 | Py_XDECREF(py_ob_id); |
| 821 | Py_XDECREF(memo_len); |
| 822 | Py_XDECREF(t); |
| 823 | |
| 824 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 825 | } |
| 826 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 827 | #define PyImport_Import cPickle_Import |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 828 | |
| 829 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 830 | PyImport_Import(PyObject *module_name) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 831 | { |
| 832 | static PyObject *silly_list=0, *__builtins___str=0, *__import___str; |
| 833 | static PyObject *standard_builtins=0; |
| 834 | PyObject *globals=0, *__import__=0, *__builtins__=0, *r=0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 835 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 836 | if (!( silly_list )) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 837 | if (!( __import___str=PyString_FromString("__import__"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 838 | return NULL; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 839 | if (!( __builtins___str=PyString_FromString("__builtins__"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 840 | return NULL; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 841 | if (!( silly_list=Py_BuildValue("[s]","__doc__"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 842 | return NULL; |
| 843 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 844 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 845 | if ((globals=PyEval_GetGlobals())) { |
| 846 | Py_INCREF(globals); |
| 847 | __builtins__=PyObject_GetItem(globals,__builtins___str); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 848 | if (!__builtins__) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 849 | goto err; |
| 850 | } |
| 851 | else { |
| 852 | PyErr_Clear(); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 853 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 854 | if (!(standard_builtins || |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 855 | (standard_builtins=PyImport_ImportModule("__builtin__")))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 856 | return NULL; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 857 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 858 | __builtins__=standard_builtins; |
| 859 | Py_INCREF(__builtins__); |
| 860 | globals = Py_BuildValue("{sO}", "__builtins__", __builtins__); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 861 | if (!globals) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 862 | goto err; |
| 863 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 864 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 865 | if (PyDict_Check(__builtins__)) { |
| 866 | __import__=PyObject_GetItem(__builtins__,__import___str); |
| 867 | if (!__import__) goto err; |
| 868 | } |
| 869 | else { |
| 870 | __import__=PyObject_GetAttr(__builtins__,__import___str); |
| 871 | if (!__import__) goto err; |
| 872 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 873 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 874 | r=PyObject_CallFunction(__import__,"OOOO", |
| 875 | module_name, globals, globals, silly_list); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 876 | if (!r) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 877 | goto err; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 878 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 879 | Py_DECREF(globals); |
| 880 | Py_DECREF(__builtins__); |
| 881 | Py_DECREF(__import__); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 882 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 883 | return r; |
| 884 | err: |
| 885 | Py_XDECREF(globals); |
| 886 | Py_XDECREF(__builtins__); |
| 887 | Py_XDECREF(__import__); |
| 888 | return NULL; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 889 | } |
| 890 | |
| 891 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 892 | whichmodule(PyObject *global, PyObject *global_name) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 893 | { |
| 894 | int i, j; |
| 895 | PyObject *module = 0, *modules_dict = 0, |
| 896 | *global_name_attr = 0, *name = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 897 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 898 | module = PyObject_GetAttrString(global, "__module__"); |
| 899 | if (module) return module; |
| 900 | PyErr_Clear(); |
Guido van Rossum | 4518823 | 1997-09-28 05:38:51 +0000 | [diff] [blame] | 901 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 902 | if (!( modules_dict = PySys_GetObject("modules"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 903 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 904 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 905 | i = 0; |
| 906 | while ((j = PyDict_Next(modules_dict, &i, &name, &module))) { |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 907 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 908 | if (PyObject_Compare(name, __main___str)==0) continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 909 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 910 | global_name_attr = PyObject_GetAttr(module, global_name); |
| 911 | if (!global_name_attr) { |
| 912 | PyErr_Clear(); |
| 913 | continue; |
| 914 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 915 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 916 | if (global_name_attr != global) { |
| 917 | Py_DECREF(global_name_attr); |
| 918 | continue; |
| 919 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 920 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 921 | Py_DECREF(global_name_attr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 922 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 923 | break; |
| 924 | } |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 925 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 926 | /* The following implements the rule in pickle.py added in 1.5 |
| 927 | that used __main__ if no module is found. I don't actually |
| 928 | like this rule. jlf |
| 929 | */ |
| 930 | if (!j) { |
| 931 | j=1; |
| 932 | name=__main___str; |
| 933 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 934 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 935 | Py_INCREF(name); |
| 936 | return name; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 937 | } |
| 938 | |
| 939 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 940 | static int |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 941 | fast_save_enter(Picklerobject *self, PyObject *obj) |
| 942 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 943 | /* if fast_container < 0, we're doing an error exit. */ |
| 944 | if (++self->fast_container >= PY_CPICKLE_FAST_LIMIT) { |
| 945 | PyObject *key = NULL; |
| 946 | if (self->fast_memo == NULL) { |
| 947 | self->fast_memo = PyDict_New(); |
| 948 | if (self->fast_memo == NULL) { |
| 949 | self->fast_container = -1; |
| 950 | return 0; |
| 951 | } |
| 952 | } |
| 953 | key = PyLong_FromVoidPtr(obj); |
| 954 | if (key == NULL) |
| 955 | return 0; |
| 956 | if (PyDict_GetItem(self->fast_memo, key)) { |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 957 | Py_DECREF(key); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 958 | PyErr_Format(PyExc_ValueError, |
| 959 | "fast mode: can't pickle cyclic objects including object type %s at %p", |
| 960 | obj->ob_type->tp_name, obj); |
| 961 | self->fast_container = -1; |
| 962 | return 0; |
| 963 | } |
| 964 | if (PyDict_SetItem(self->fast_memo, key, Py_None) < 0) { |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 965 | Py_DECREF(key); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 966 | self->fast_container = -1; |
| 967 | return 0; |
| 968 | } |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 969 | Py_DECREF(key); |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 970 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 971 | return 1; |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 972 | } |
| 973 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 974 | int |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 975 | fast_save_leave(Picklerobject *self, PyObject *obj) |
| 976 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 977 | if (self->fast_container-- >= PY_CPICKLE_FAST_LIMIT) { |
| 978 | PyObject *key = PyLong_FromVoidPtr(obj); |
| 979 | if (key == NULL) |
| 980 | return 0; |
| 981 | if (PyDict_DelItem(self->fast_memo, key) < 0) { |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 982 | Py_DECREF(key); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 983 | return 0; |
| 984 | } |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 985 | Py_DECREF(key); |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 986 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 987 | return 1; |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 988 | } |
| 989 | |
| 990 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 991 | save_none(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 992 | { |
| 993 | static char none = NONE; |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 994 | if (self->write_func(self, &none, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 995 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 996 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 997 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 998 | } |
| 999 | |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 1000 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1001 | save_bool(Picklerobject *self, PyObject *args) |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 1002 | { |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 1003 | static char *buf[2] = {FALSE, TRUE}; |
| 1004 | static char len[2] = {sizeof(FALSE)-1, sizeof(TRUE)-1}; |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 1005 | long l = PyInt_AS_LONG((PyIntObject *)args); |
| 1006 | |
Tim Peters | 3c67d79 | 2003-02-02 17:59:11 +0000 | [diff] [blame] | 1007 | if (self->proto >= 2) { |
| 1008 | char opcode = l ? NEWTRUE : NEWFALSE; |
| 1009 | if (self->write_func(self, &opcode, 1) < 0) |
| 1010 | return -1; |
| 1011 | } |
| 1012 | else if (self->write_func(self, buf[l], len[l]) < 0) |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 1013 | return -1; |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 1014 | return 0; |
| 1015 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1016 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1017 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1018 | save_int(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1019 | { |
| 1020 | char c_str[32]; |
| 1021 | long l = PyInt_AS_LONG((PyIntObject *)args); |
| 1022 | int len = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1023 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1024 | if (!self->bin |
Guido van Rossum | de8d6d7 | 1997-05-13 18:00:44 +0000 | [diff] [blame] | 1025 | #if SIZEOF_LONG > 4 |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1026 | || l > 0x7fffffffL |
| 1027 | || l < -0x80000000L |
Guido van Rossum | de8d6d7 | 1997-05-13 18:00:44 +0000 | [diff] [blame] | 1028 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1029 | ) { |
| 1030 | /* Text-mode pickle, or long too big to fit in the 4-byte |
| 1031 | * signed BININT format: store as a string. |
| 1032 | */ |
| 1033 | c_str[0] = INT; |
| 1034 | PyOS_snprintf(c_str + 1, sizeof(c_str) - 1, "%ld\n", l); |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1035 | if (self->write_func(self, c_str, strlen(c_str)) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1036 | return -1; |
| 1037 | } |
| 1038 | else { |
| 1039 | /* Binary pickle and l fits in a signed 4-byte int. */ |
| 1040 | c_str[1] = (int)( l & 0xff); |
| 1041 | c_str[2] = (int)((l >> 8) & 0xff); |
| 1042 | c_str[3] = (int)((l >> 16) & 0xff); |
| 1043 | c_str[4] = (int)((l >> 24) & 0xff); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1044 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1045 | if ((c_str[4] == 0) && (c_str[3] == 0)) { |
| 1046 | if (c_str[2] == 0) { |
| 1047 | c_str[0] = BININT1; |
| 1048 | len = 2; |
| 1049 | } |
| 1050 | else { |
| 1051 | c_str[0] = BININT2; |
| 1052 | len = 3; |
| 1053 | } |
| 1054 | } |
| 1055 | else { |
| 1056 | c_str[0] = BININT; |
| 1057 | len = 5; |
| 1058 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1059 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1060 | if (self->write_func(self, c_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1061 | return -1; |
| 1062 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1063 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1064 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1065 | } |
| 1066 | |
| 1067 | |
| 1068 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1069 | save_long(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1070 | { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 1071 | int size; |
| 1072 | int res = -1; |
| 1073 | PyObject *repr = NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1074 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1075 | static char l = LONG; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1076 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 1077 | if (self->proto >= 2) { |
| 1078 | /* Linear-time pickling. */ |
| 1079 | size_t nbits; |
| 1080 | size_t nbytes; |
| 1081 | unsigned char *pdata; |
| 1082 | char c_str[5]; |
| 1083 | int i; |
| 1084 | int sign = _PyLong_Sign(args); |
| 1085 | |
| 1086 | if (sign == 0) { |
| 1087 | /* It's 0 -- an empty bytestring. */ |
| 1088 | c_str[0] = LONG1; |
| 1089 | c_str[1] = 0; |
| 1090 | i = self->write_func(self, c_str, 2); |
| 1091 | if (i < 0) goto finally; |
| 1092 | res = 0; |
| 1093 | goto finally; |
| 1094 | } |
| 1095 | nbits = _PyLong_NumBits(args); |
| 1096 | if (nbits == (size_t)-1 && PyErr_Occurred()) |
| 1097 | goto finally; |
| 1098 | /* How many bytes do we need? There are nbits >> 3 full |
| 1099 | * bytes of data, and nbits & 7 leftover bits. If there |
| 1100 | * are any leftover bits, then we clearly need another |
| 1101 | * byte. Wnat's not so obvious is that we *probably* |
| 1102 | * need another byte even if there aren't any leftovers: |
| 1103 | * the most-significant bit of the most-significant byte |
| 1104 | * acts like a sign bit, and it's usually got a sense |
| 1105 | * opposite of the one we need. The exception is longs |
| 1106 | * of the form -(2**(8*j-1)) for j > 0. Such a long is |
| 1107 | * its own 256's-complement, so has the right sign bit |
| 1108 | * even without the extra byte. That's a pain to check |
| 1109 | * for in advance, though, so we always grab an extra |
| 1110 | * byte at the start, and cut it back later if possible. |
| 1111 | */ |
| 1112 | nbytes = (nbits >> 3) + 1; |
| 1113 | if ((int)nbytes < 0 || (size_t)(int)nbytes != nbytes) { |
| 1114 | PyErr_SetString(PyExc_OverflowError, "long too large " |
| 1115 | "to pickle"); |
| 1116 | goto finally; |
| 1117 | } |
| 1118 | repr = PyString_FromStringAndSize(NULL, (int)nbytes); |
| 1119 | if (repr == NULL) goto finally; |
| 1120 | pdata = (unsigned char *)PyString_AS_STRING(repr); |
| 1121 | i = _PyLong_AsByteArray((PyLongObject *)args, |
| 1122 | pdata, nbytes, |
| 1123 | 1 /* little endian */, 1 /* signed */); |
| 1124 | if (i < 0) goto finally; |
| 1125 | /* If the long is negative, this may be a byte more than |
| 1126 | * needed. This is so iff the MSB is all redundant sign |
| 1127 | * bits. |
| 1128 | */ |
| 1129 | if (sign < 0 && nbytes > 1 && pdata[nbytes - 1] == 0xff && |
| 1130 | (pdata[nbytes - 2] & 0x80) != 0) |
| 1131 | --nbytes; |
| 1132 | |
| 1133 | if (nbytes < 256) { |
| 1134 | c_str[0] = LONG1; |
| 1135 | c_str[1] = (char)nbytes; |
| 1136 | size = 2; |
| 1137 | } |
| 1138 | else { |
| 1139 | c_str[0] = LONG4; |
| 1140 | size = (int)nbytes; |
| 1141 | for (i = 1; i < 5; i++) { |
| 1142 | c_str[i] = (char)(size & 0xff); |
| 1143 | size >>= 8; |
| 1144 | } |
| 1145 | size = 5; |
| 1146 | } |
| 1147 | i = self->write_func(self, c_str, size); |
| 1148 | if (i < 0) goto finally; |
| 1149 | i = self->write_func(self, (char *)pdata, (int)nbytes); |
| 1150 | if (i < 0) goto finally; |
| 1151 | res = 0; |
| 1152 | goto finally; |
| 1153 | } |
| 1154 | |
| 1155 | /* proto < 2: write the repr and newline. This is quadratic-time |
| 1156 | * (in the number of digits), in both directions. |
| 1157 | */ |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1158 | if (!( repr = PyObject_Repr(args))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1159 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1160 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1161 | if ((size = PyString_Size(repr)) < 0) |
| 1162 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1163 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1164 | if (self->write_func(self, &l, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1165 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1166 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1167 | if (self->write_func(self, |
| 1168 | PyString_AS_STRING((PyStringObject *)repr), |
| 1169 | size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1170 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1171 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1172 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1173 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1174 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1175 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1176 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1177 | finally: |
| 1178 | Py_XDECREF(repr); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1179 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1180 | } |
| 1181 | |
| 1182 | |
| 1183 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1184 | save_float(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1185 | { |
| 1186 | double x = PyFloat_AS_DOUBLE((PyFloatObject *)args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1187 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1188 | if (self->bin) { |
| 1189 | int s, e; |
| 1190 | double f; |
| 1191 | long fhi, flo; |
| 1192 | char str[9]; |
| 1193 | unsigned char *p = (unsigned char *)str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1194 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1195 | *p = BINFLOAT; |
| 1196 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1197 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1198 | if (x < 0) { |
| 1199 | s = 1; |
| 1200 | x = -x; |
| 1201 | } |
| 1202 | else |
| 1203 | s = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1204 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1205 | f = frexp(x, &e); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1206 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1207 | /* Normalize f to be in the range [1.0, 2.0) */ |
| 1208 | if (0.5 <= f && f < 1.0) { |
| 1209 | f *= 2.0; |
| 1210 | e--; |
| 1211 | } |
| 1212 | else if (f == 0.0) { |
| 1213 | e = 0; |
| 1214 | } |
| 1215 | else { |
| 1216 | PyErr_SetString(PyExc_SystemError, |
| 1217 | "frexp() result out of range"); |
| 1218 | return -1; |
| 1219 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1220 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1221 | if (e >= 1024) { |
| 1222 | /* XXX 1024 itself is reserved for Inf/NaN */ |
| 1223 | PyErr_SetString(PyExc_OverflowError, |
| 1224 | "float too large to pack with d format"); |
| 1225 | return -1; |
| 1226 | } |
| 1227 | else if (e < -1022) { |
| 1228 | /* Gradual underflow */ |
| 1229 | f = ldexp(f, 1022 + e); |
| 1230 | e = 0; |
| 1231 | } |
| 1232 | else if (!(e == 0 && f == 0.0)) { |
| 1233 | e += 1023; |
| 1234 | f -= 1.0; /* Get rid of leading 1 */ |
| 1235 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1236 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1237 | /* fhi receives the high 28 bits; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1238 | flo the low 24 bits (== 52 bits) */ |
| 1239 | f *= 268435456.0; /* 2**28 */ |
| 1240 | fhi = (long) floor(f); /* Truncate */ |
| 1241 | f -= (double)fhi; |
| 1242 | f *= 16777216.0; /* 2**24 */ |
| 1243 | flo = (long) floor(f + 0.5); /* Round */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1244 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1245 | /* First byte */ |
| 1246 | *p = (s<<7) | (e>>4); |
| 1247 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1248 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1249 | /* Second byte */ |
| 1250 | *p = (unsigned char) (((e&0xF)<<4) | (fhi>>24)); |
| 1251 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1252 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1253 | /* Third byte */ |
| 1254 | *p = (unsigned char) ((fhi>>16) & 0xFF); |
| 1255 | p++; |
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 | /* Fourth byte */ |
| 1258 | *p = (unsigned char) ((fhi>>8) & 0xFF); |
| 1259 | p++; |
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 | /* Fifth byte */ |
| 1262 | *p = (unsigned char) (fhi & 0xFF); |
| 1263 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1264 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1265 | /* Sixth byte */ |
| 1266 | *p = (unsigned char) ((flo>>16) & 0xFF); |
| 1267 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1268 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1269 | /* Seventh byte */ |
| 1270 | *p = (unsigned char) ((flo>>8) & 0xFF); |
| 1271 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1272 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1273 | /* Eighth byte */ |
| 1274 | *p = (unsigned char) (flo & 0xFF); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1275 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1276 | if (self->write_func(self, str, 9) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1277 | return -1; |
| 1278 | } |
| 1279 | else { |
| 1280 | char c_str[250]; |
| 1281 | c_str[0] = FLOAT; |
| 1282 | PyOS_snprintf(c_str + 1, sizeof(c_str) - 1, "%.17g\n", x); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1283 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1284 | if (self->write_func(self, c_str, strlen(c_str)) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1285 | return -1; |
| 1286 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1287 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1288 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1289 | } |
| 1290 | |
| 1291 | |
| 1292 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1293 | save_string(Picklerobject *self, PyObject *args, int doput) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1294 | { |
| 1295 | int size, len; |
| 1296 | PyObject *repr=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1297 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1298 | if ((size = PyString_Size(args)) < 0) |
| 1299 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1300 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1301 | if (!self->bin) { |
| 1302 | char *repr_str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1303 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1304 | static char string = STRING; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1305 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1306 | if (!( repr = PyObject_Repr(args))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1307 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1308 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1309 | if ((len = PyString_Size(repr)) < 0) |
| 1310 | goto err; |
| 1311 | repr_str = PyString_AS_STRING((PyStringObject *)repr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1312 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1313 | if (self->write_func(self, &string, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1314 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1315 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1316 | if (self->write_func(self, repr_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1317 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1318 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1319 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1320 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1321 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1322 | Py_XDECREF(repr); |
| 1323 | } |
| 1324 | else { |
| 1325 | int i; |
| 1326 | char c_str[5]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1327 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1328 | if ((size = PyString_Size(args)) < 0) |
| 1329 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1330 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1331 | if (size < 256) { |
| 1332 | c_str[0] = SHORT_BINSTRING; |
| 1333 | c_str[1] = size; |
| 1334 | len = 2; |
| 1335 | } |
| 1336 | else { |
| 1337 | c_str[0] = BINSTRING; |
| 1338 | for (i = 1; i < 5; i++) |
| 1339 | c_str[i] = (int)(size >> ((i - 1) * 8)); |
| 1340 | len = 5; |
| 1341 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1342 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1343 | if (self->write_func(self, c_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1344 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1345 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1346 | if (size > 128 && Pdata_Check(self->file)) { |
| 1347 | if (write_other(self, NULL, 0) < 0) return -1; |
| 1348 | PDATA_APPEND(self->file, args, -1); |
| 1349 | } |
| 1350 | else { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1351 | if (self->write_func(self, |
| 1352 | PyString_AS_STRING( |
| 1353 | (PyStringObject *)args), |
| 1354 | size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1355 | return -1; |
| 1356 | } |
| 1357 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1358 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1359 | if (doput) |
| 1360 | if (put(self, args) < 0) |
| 1361 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1362 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1363 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1364 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1365 | err: |
| 1366 | Py_XDECREF(repr); |
| 1367 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1368 | } |
| 1369 | |
| 1370 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1371 | #ifdef Py_USING_UNICODE |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1372 | /* A copy of PyUnicode_EncodeRawUnicodeEscape() that also translates |
| 1373 | backslash and newline characters to \uXXXX escapes. */ |
| 1374 | static PyObject * |
| 1375 | modified_EncodeRawUnicodeEscape(const Py_UNICODE *s, int size) |
| 1376 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1377 | PyObject *repr; |
| 1378 | char *p; |
| 1379 | char *q; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1380 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1381 | static const char *hexdigit = "0123456789ABCDEF"; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1382 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1383 | repr = PyString_FromStringAndSize(NULL, 6 * size); |
| 1384 | if (repr == NULL) |
| 1385 | return NULL; |
| 1386 | if (size == 0) |
| 1387 | return repr; |
| 1388 | |
| 1389 | p = q = PyString_AS_STRING(repr); |
| 1390 | while (size-- > 0) { |
| 1391 | Py_UNICODE ch = *s++; |
| 1392 | /* Map 16-bit characters to '\uxxxx' */ |
| 1393 | if (ch >= 256 || ch == '\\' || ch == '\n') { |
| 1394 | *p++ = '\\'; |
| 1395 | *p++ = 'u'; |
| 1396 | *p++ = hexdigit[(ch >> 12) & 0xf]; |
| 1397 | *p++ = hexdigit[(ch >> 8) & 0xf]; |
| 1398 | *p++ = hexdigit[(ch >> 4) & 0xf]; |
| 1399 | *p++ = hexdigit[ch & 15]; |
| 1400 | } |
| 1401 | /* Copy everything else as-is */ |
| 1402 | else |
| 1403 | *p++ = (char) ch; |
| 1404 | } |
| 1405 | *p = '\0'; |
Tim Peters | 5de9842 | 2002-04-27 18:44:32 +0000 | [diff] [blame] | 1406 | _PyString_Resize(&repr, p - q); |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1407 | return repr; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1408 | } |
| 1409 | |
| 1410 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1411 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1412 | save_unicode(Picklerobject *self, PyObject *args, int doput) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1413 | { |
| 1414 | int size, len; |
| 1415 | PyObject *repr=0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1416 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1417 | if (!PyUnicode_Check(args)) |
| 1418 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1419 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1420 | if (!self->bin) { |
| 1421 | char *repr_str; |
| 1422 | static char string = UNICODE; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1423 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1424 | repr = modified_EncodeRawUnicodeEscape( |
| 1425 | PyUnicode_AS_UNICODE(args), PyUnicode_GET_SIZE(args)); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1426 | if (!repr) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 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 | if ((len = PyString_Size(repr)) < 0) |
| 1430 | goto err; |
| 1431 | repr_str = PyString_AS_STRING((PyStringObject *)repr); |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1432 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1433 | if (self->write_func(self, &string, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1434 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1435 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1436 | if (self->write_func(self, repr_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1437 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1438 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1439 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1440 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1441 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1442 | Py_XDECREF(repr); |
| 1443 | } |
| 1444 | else { |
| 1445 | int i; |
| 1446 | char c_str[5]; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1447 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1448 | if (!( repr = PyUnicode_AsUTF8String(args))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1449 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1450 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1451 | if ((size = PyString_Size(repr)) < 0) |
| 1452 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1453 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1454 | c_str[0] = BINUNICODE; |
| 1455 | for (i = 1; i < 5; i++) |
| 1456 | c_str[i] = (int)(size >> ((i - 1) * 8)); |
| 1457 | len = 5; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1458 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1459 | if (self->write_func(self, c_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1460 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1461 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1462 | if (size > 128 && Pdata_Check(self->file)) { |
| 1463 | if (write_other(self, NULL, 0) < 0) |
| 1464 | goto err; |
| 1465 | PDATA_APPEND(self->file, repr, -1); |
| 1466 | } |
| 1467 | else { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1468 | if (self->write_func(self, PyString_AS_STRING(repr), |
| 1469 | size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1470 | goto err; |
| 1471 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1472 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1473 | Py_DECREF(repr); |
| 1474 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1475 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1476 | if (doput) |
| 1477 | if (put(self, args) < 0) |
| 1478 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1479 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1480 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1481 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1482 | err: |
| 1483 | Py_XDECREF(repr); |
| 1484 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1485 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1486 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1487 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1488 | /* A helper for save_tuple. Push the len elements in tuple t on the stack. */ |
| 1489 | static int |
Tim Peters | 6792014 | 2003-02-05 03:46:17 +0000 | [diff] [blame] | 1490 | store_tuple_elements(Picklerobject *self, PyObject *t, int len) |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1491 | { |
| 1492 | int i; |
| 1493 | int res = -1; /* guilty until proved innocent */ |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1494 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1495 | assert(PyTuple_Size(t) == len); |
| 1496 | |
| 1497 | for (i = 0; i < len; i++) { |
| 1498 | PyObject *element = PyTuple_GET_ITEM(t, i); |
| 1499 | |
| 1500 | if (element == NULL) |
| 1501 | goto finally; |
| 1502 | if (save(self, element, 0) < 0) |
| 1503 | goto finally; |
| 1504 | } |
| 1505 | res = 0; |
| 1506 | |
| 1507 | finally: |
| 1508 | return res; |
| 1509 | } |
| 1510 | |
| 1511 | /* Tuples are ubiquitous in the pickle protocols, so many techniques are |
| 1512 | * used across protocols to minimize the space needed to pickle them. |
Tim Peters | 6792014 | 2003-02-05 03:46:17 +0000 | [diff] [blame] | 1513 | * Tuples are also the only builtin immutable type that can be recursive |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1514 | * (a tuple can be reached from itself), and that requires some subtle |
| 1515 | * magic so that it works in all cases. IOW, this is a long routine. |
| 1516 | */ |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1517 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1518 | save_tuple(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1519 | { |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1520 | PyObject *py_tuple_id = NULL; |
| 1521 | int len, i; |
| 1522 | int res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1523 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1524 | static char tuple = TUPLE; |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1525 | static char pop = POP; |
| 1526 | static char pop_mark = POP_MARK; |
| 1527 | static char len2opcode[] = {EMPTY_TUPLE, TUPLE1, TUPLE2, TUPLE3}; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1528 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1529 | if ((len = PyTuple_Size(args)) < 0) |
| 1530 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1531 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1532 | if (len == 0) { |
| 1533 | char c_str[2]; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1534 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1535 | if (self->proto) { |
| 1536 | c_str[0] = EMPTY_TUPLE; |
| 1537 | len = 1; |
| 1538 | } |
| 1539 | else { |
| 1540 | c_str[0] = MARK; |
| 1541 | c_str[1] = TUPLE; |
| 1542 | len = 2; |
| 1543 | } |
| 1544 | if (self->write_func(self, c_str, len) >= 0) |
| 1545 | res = 0; |
| 1546 | /* Don't memoize an empty tuple. */ |
| 1547 | goto finally; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1548 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1549 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1550 | /* A non-empty tuple. */ |
| 1551 | |
| 1552 | /* id(tuple) isn't in the memo now. If it shows up there after |
| 1553 | * saving the tuple elements, the tuple must be recursive, in |
| 1554 | * which case we'll pop everything we put on the stack, and fetch |
| 1555 | * its value from the memo. |
| 1556 | */ |
| 1557 | py_tuple_id = PyLong_FromVoidPtr(args); |
| 1558 | if (py_tuple_id == NULL) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1559 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1560 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1561 | if (len <= 3 && self->proto >= 2) { |
| 1562 | /* Use TUPLE{1,2,3} opcodes. */ |
Tim Peters | 6792014 | 2003-02-05 03:46:17 +0000 | [diff] [blame] | 1563 | if (store_tuple_elements(self, args, len) < 0) |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1564 | goto finally; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1565 | if (PyDict_GetItem(self->memo, py_tuple_id)) { |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1566 | /* pop the len elements */ |
| 1567 | for (i = 0; i < len; ++i) |
| 1568 | if (self->write_func(self, &pop, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1569 | goto finally; |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1570 | /* fetch from memo */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1571 | if (get(self, py_tuple_id) < 0) |
| 1572 | goto finally; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1573 | res = 0; |
| 1574 | goto finally; |
| 1575 | } |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1576 | /* Not recursive. */ |
| 1577 | if (self->write_func(self, len2opcode + len, 1) < 0) |
| 1578 | goto finally; |
| 1579 | goto memoize; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1580 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1581 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1582 | /* proto < 2 and len > 0, or proto >= 2 and len > 3. |
| 1583 | * Generate MARK elt1 elt2 ... TUPLE |
| 1584 | */ |
| 1585 | if (self->write_func(self, &MARKv, 1) < 0) |
| 1586 | goto finally; |
| 1587 | |
Tim Peters | 6792014 | 2003-02-05 03:46:17 +0000 | [diff] [blame] | 1588 | if (store_tuple_elements(self, args, len) < 0) |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1589 | goto finally; |
| 1590 | |
| 1591 | if (PyDict_GetItem(self->memo, py_tuple_id)) { |
| 1592 | /* pop the stack stuff we pushed */ |
| 1593 | if (self->bin) { |
| 1594 | if (self->write_func(self, &pop_mark, 1) < 0) |
| 1595 | goto finally; |
| 1596 | } |
| 1597 | else { |
| 1598 | /* Note that we pop one more than len, to remove |
| 1599 | * the MARK too. |
| 1600 | */ |
| 1601 | for (i = 0; i <= len; i++) |
| 1602 | if (self->write_func(self, &pop, 1) < 0) |
| 1603 | goto finally; |
| 1604 | } |
| 1605 | /* fetch from memo */ |
| 1606 | if (get(self, py_tuple_id) >= 0) |
| 1607 | res = 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1608 | goto finally; |
| 1609 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1610 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1611 | /* Not recursive. */ |
| 1612 | if (self->write_func(self, &tuple, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1613 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1614 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1615 | memoize: |
| 1616 | if (put(self, args) >= 0) |
| 1617 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1618 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1619 | finally: |
| 1620 | Py_XDECREF(py_tuple_id); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1621 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1622 | } |
| 1623 | |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame] | 1624 | /* iter is an iterator giving items, and we batch up chunks of |
| 1625 | * MARK item item ... item APPENDS |
| 1626 | * opcode sequences. Calling code should have arranged to first create an |
| 1627 | * empty list, or list-like object, for the APPENDS to operate on. |
| 1628 | * Returns 0 on success, <0 on error. |
| 1629 | */ |
| 1630 | static int |
| 1631 | batch_list(Picklerobject *self, PyObject *iter) |
| 1632 | { |
| 1633 | PyObject *obj; |
| 1634 | PyObject *slice[BATCHSIZE]; |
| 1635 | int i, n; |
| 1636 | |
| 1637 | static char append = APPEND; |
| 1638 | static char appends = APPENDS; |
| 1639 | |
| 1640 | assert(iter != NULL); |
| 1641 | |
| 1642 | if (self->proto == 0) { |
| 1643 | /* APPENDS isn't available; do one at a time. */ |
| 1644 | for (;;) { |
| 1645 | obj = PyIter_Next(iter); |
| 1646 | if (obj == NULL) { |
| 1647 | if (PyErr_Occurred()) |
| 1648 | return -1; |
| 1649 | break; |
| 1650 | } |
| 1651 | i = save(self, obj, 0); |
| 1652 | Py_DECREF(obj); |
| 1653 | if (i < 0) |
| 1654 | return -1; |
| 1655 | if (self->write_func(self, &append, 1) < 0) |
| 1656 | return -1; |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame] | 1657 | } |
| 1658 | return 0; |
| 1659 | } |
| 1660 | |
| 1661 | /* proto > 0: write in batches of BATCHSIZE. */ |
| 1662 | do { |
| 1663 | /* Get next group of (no more than) BATCHSIZE elements. */ |
| 1664 | for (n = 0; n < BATCHSIZE; ++n) { |
| 1665 | obj = PyIter_Next(iter); |
| 1666 | if (obj == NULL) { |
| 1667 | if (PyErr_Occurred()) |
| 1668 | goto BatchFailed; |
| 1669 | break; |
| 1670 | } |
| 1671 | slice[n] = obj; |
| 1672 | } |
| 1673 | |
| 1674 | if (n > 1) { |
| 1675 | /* Pump out MARK, slice[0:n], APPENDS. */ |
| 1676 | if (self->write_func(self, &MARKv, 1) < 0) |
| 1677 | goto BatchFailed; |
| 1678 | for (i = 0; i < n; ++i) { |
| 1679 | if (save(self, slice[i], 0) < 0) |
| 1680 | goto BatchFailed; |
| 1681 | } |
| 1682 | if (self->write_func(self, &appends, 1) < 0) |
| 1683 | goto BatchFailed; |
| 1684 | } |
| 1685 | else if (n == 1) { |
| 1686 | if (save(self, slice[0], 0) < 0) |
| 1687 | goto BatchFailed; |
| 1688 | if (self->write_func(self, &append, 1) < 0) |
| 1689 | goto BatchFailed; |
| 1690 | } |
| 1691 | |
| 1692 | for (i = 0; i < n; ++i) { |
| 1693 | Py_DECREF(slice[i]); |
| 1694 | } |
Tim Peters | 90975f1 | 2003-02-12 05:28:58 +0000 | [diff] [blame] | 1695 | } while (n == BATCHSIZE); |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame] | 1696 | return 0; |
| 1697 | |
| 1698 | BatchFailed: |
| 1699 | while (--n >= 0) { |
| 1700 | Py_DECREF(slice[n]); |
| 1701 | } |
| 1702 | return -1; |
| 1703 | } |
| 1704 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1705 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1706 | save_list(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1707 | { |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame] | 1708 | int res = -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1709 | char s[3]; |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame] | 1710 | int len; |
| 1711 | PyObject *iter; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1712 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1713 | if (self->fast && !fast_save_enter(self, args)) |
| 1714 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1715 | |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame] | 1716 | /* Create an empty list. */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1717 | if (self->bin) { |
| 1718 | s[0] = EMPTY_LIST; |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame] | 1719 | len = 1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1720 | } |
| 1721 | else { |
| 1722 | s[0] = MARK; |
| 1723 | s[1] = LIST; |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame] | 1724 | len = 2; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1725 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1726 | |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame] | 1727 | if (self->write_func(self, s, len) < 0) |
| 1728 | goto finally; |
| 1729 | |
| 1730 | /* Get list length, and bow out early if empty. */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1731 | if ((len = PyList_Size(args)) < 0) |
| 1732 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1733 | |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame] | 1734 | /* Memoize. */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1735 | if (len == 0) { |
Tim Peters | 90975f1 | 2003-02-12 05:28:58 +0000 | [diff] [blame] | 1736 | if (put(self, args) >= 0) |
| 1737 | res = 0; |
| 1738 | goto finally; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1739 | } |
Tim Peters | 90975f1 | 2003-02-12 05:28:58 +0000 | [diff] [blame] | 1740 | if (put2(self, args) < 0) |
| 1741 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1742 | |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame] | 1743 | /* Materialize the list elements. */ |
| 1744 | iter = PyObject_GetIter(args); |
| 1745 | if (iter == NULL) |
| 1746 | goto finally; |
| 1747 | res = batch_list(self, iter); |
| 1748 | Py_DECREF(iter); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1749 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1750 | finally: |
| 1751 | if (self->fast && !fast_save_leave(self, args)) |
| 1752 | res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1753 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1754 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1755 | } |
| 1756 | |
| 1757 | |
Tim Peters | 42f08ac | 2003-02-11 22:43:24 +0000 | [diff] [blame] | 1758 | /* iter is an iterator giving (key, value) pairs, and we batch up chunks of |
| 1759 | * MARK key value ... key value SETITEMS |
| 1760 | * opcode sequences. Calling code should have arranged to first create an |
| 1761 | * empty dict, or dict-like object, for the SETITEMS to operate on. |
| 1762 | * Returns 0 on success, <0 on error. |
| 1763 | * |
| 1764 | * This is very much like batch_list(). The difference between saving |
| 1765 | * elements directly, and picking apart two-tuples, is so long-winded at |
| 1766 | * the C level, though, that attempts to combine these routines were too |
| 1767 | * ugly to bear. |
| 1768 | */ |
| 1769 | static int |
| 1770 | batch_dict(Picklerobject *self, PyObject *iter) |
| 1771 | { |
| 1772 | PyObject *p; |
| 1773 | PyObject *slice[BATCHSIZE]; |
| 1774 | int i, n; |
| 1775 | |
| 1776 | static char setitem = SETITEM; |
| 1777 | static char setitems = SETITEMS; |
| 1778 | |
| 1779 | assert(iter != NULL); |
| 1780 | |
| 1781 | if (self->proto == 0) { |
| 1782 | /* SETITEMS isn't available; do one at a time. */ |
| 1783 | for (;;) { |
| 1784 | p = PyIter_Next(iter); |
| 1785 | if (p == NULL) { |
| 1786 | if (PyErr_Occurred()) |
| 1787 | return -1; |
| 1788 | break; |
| 1789 | } |
| 1790 | if (!PyTuple_Check(p) || PyTuple_Size(p) != 2) { |
| 1791 | PyErr_SetString(PyExc_TypeError, "dict items " |
| 1792 | "iterator must return 2-tuples"); |
| 1793 | return -1; |
| 1794 | } |
| 1795 | i = save(self, PyTuple_GET_ITEM(p, 0), 0); |
| 1796 | if (i >= 0) |
| 1797 | i = save(self, PyTuple_GET_ITEM(p, 1), 0); |
| 1798 | Py_DECREF(p); |
| 1799 | if (i < 0) |
| 1800 | return -1; |
| 1801 | if (self->write_func(self, &setitem, 1) < 0) |
| 1802 | return -1; |
Tim Peters | 42f08ac | 2003-02-11 22:43:24 +0000 | [diff] [blame] | 1803 | } |
| 1804 | return 0; |
| 1805 | } |
| 1806 | |
| 1807 | /* proto > 0: write in batches of BATCHSIZE. */ |
| 1808 | do { |
| 1809 | /* Get next group of (no more than) BATCHSIZE elements. */ |
| 1810 | for (n = 0; n < BATCHSIZE; ++n) { |
| 1811 | p = PyIter_Next(iter); |
| 1812 | if (p == NULL) { |
| 1813 | if (PyErr_Occurred()) |
| 1814 | goto BatchFailed; |
| 1815 | break; |
| 1816 | } |
| 1817 | if (!PyTuple_Check(p) || PyTuple_Size(p) != 2) { |
| 1818 | PyErr_SetString(PyExc_TypeError, "dict items " |
| 1819 | "iterator must return 2-tuples"); |
| 1820 | goto BatchFailed; |
| 1821 | } |
| 1822 | slice[n] = p; |
| 1823 | } |
| 1824 | |
| 1825 | if (n > 1) { |
| 1826 | /* Pump out MARK, slice[0:n], SETITEMS. */ |
| 1827 | if (self->write_func(self, &MARKv, 1) < 0) |
| 1828 | goto BatchFailed; |
| 1829 | for (i = 0; i < n; ++i) { |
| 1830 | p = slice[i]; |
| 1831 | if (save(self, PyTuple_GET_ITEM(p, 0), 0) < 0) |
| 1832 | goto BatchFailed; |
| 1833 | if (save(self, PyTuple_GET_ITEM(p, 1), 0) < 0) |
| 1834 | goto BatchFailed; |
| 1835 | } |
| 1836 | if (self->write_func(self, &setitems, 1) < 0) |
| 1837 | goto BatchFailed; |
| 1838 | } |
| 1839 | else if (n == 1) { |
| 1840 | p = slice[0]; |
| 1841 | if (save(self, PyTuple_GET_ITEM(p, 0), 0) < 0) |
| 1842 | goto BatchFailed; |
| 1843 | if (save(self, PyTuple_GET_ITEM(p, 1), 0) < 0) |
| 1844 | goto BatchFailed; |
| 1845 | if (self->write_func(self, &setitem, 1) < 0) |
| 1846 | goto BatchFailed; |
| 1847 | } |
| 1848 | |
| 1849 | for (i = 0; i < n; ++i) { |
| 1850 | Py_DECREF(slice[i]); |
| 1851 | } |
Tim Peters | 90975f1 | 2003-02-12 05:28:58 +0000 | [diff] [blame] | 1852 | } while (n == BATCHSIZE); |
Tim Peters | 42f08ac | 2003-02-11 22:43:24 +0000 | [diff] [blame] | 1853 | return 0; |
| 1854 | |
| 1855 | BatchFailed: |
| 1856 | while (--n >= 0) { |
| 1857 | Py_DECREF(slice[n]); |
| 1858 | } |
| 1859 | return -1; |
| 1860 | } |
| 1861 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1862 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1863 | save_dict(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1864 | { |
Tim Peters | 42f08ac | 2003-02-11 22:43:24 +0000 | [diff] [blame] | 1865 | int res = -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1866 | char s[3]; |
Tim Peters | 42f08ac | 2003-02-11 22:43:24 +0000 | [diff] [blame] | 1867 | int len; |
| 1868 | PyObject *iter; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1869 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1870 | if (self->fast && !fast_save_enter(self, args)) |
| 1871 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1872 | |
Tim Peters | 42f08ac | 2003-02-11 22:43:24 +0000 | [diff] [blame] | 1873 | /* Create an empty dict. */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1874 | if (self->bin) { |
| 1875 | s[0] = EMPTY_DICT; |
| 1876 | len = 1; |
| 1877 | } |
| 1878 | else { |
| 1879 | s[0] = MARK; |
| 1880 | s[1] = DICT; |
| 1881 | len = 2; |
| 1882 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1883 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1884 | if (self->write_func(self, s, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1885 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1886 | |
Tim Peters | 42f08ac | 2003-02-11 22:43:24 +0000 | [diff] [blame] | 1887 | /* Get dict size, and bow out early if empty. */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1888 | if ((len = PyDict_Size(args)) < 0) |
| 1889 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1890 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1891 | if (len == 0) { |
Tim Peters | 90975f1 | 2003-02-12 05:28:58 +0000 | [diff] [blame] | 1892 | if (put(self, args) >= 0) |
| 1893 | res = 0; |
| 1894 | goto finally; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1895 | } |
Tim Peters | 90975f1 | 2003-02-12 05:28:58 +0000 | [diff] [blame] | 1896 | if (put2(self, args) < 0) |
| 1897 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1898 | |
Tim Peters | 42f08ac | 2003-02-11 22:43:24 +0000 | [diff] [blame] | 1899 | /* Materialize the dict items. */ |
| 1900 | iter = PyObject_CallMethod(args, "iteritems", "()"); |
| 1901 | if (iter == NULL) |
| 1902 | goto finally; |
| 1903 | res = batch_dict(self, iter); |
| 1904 | Py_DECREF(iter); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1905 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1906 | finally: |
| 1907 | if (self->fast && !fast_save_leave(self, args)) |
| 1908 | res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1909 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1910 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1911 | } |
| 1912 | |
| 1913 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1914 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1915 | save_inst(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1916 | { |
| 1917 | PyObject *class = 0, *module = 0, *name = 0, *state = 0, |
| 1918 | *getinitargs_func = 0, *getstate_func = 0, *class_args = 0; |
| 1919 | char *module_str, *name_str; |
| 1920 | int module_size, name_size, res = -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1921 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1922 | static char inst = INST, obj = OBJ, build = BUILD; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1923 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1924 | if (self->fast && !fast_save_enter(self, args)) |
| 1925 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1926 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1927 | if (self->write_func(self, &MARKv, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1928 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1929 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1930 | if (!( class = PyObject_GetAttr(args, __class___str))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1931 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1932 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1933 | if (self->bin) { |
| 1934 | if (save(self, class, 0) < 0) |
| 1935 | goto finally; |
| 1936 | } |
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 ((getinitargs_func = PyObject_GetAttr(args, __getinitargs___str))) { |
| 1939 | PyObject *element = 0; |
| 1940 | int i, len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1941 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1942 | if (!( class_args = |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1943 | PyObject_Call(getinitargs_func, empty_tuple, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1944 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1945 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1946 | if ((len = PyObject_Size(class_args)) < 0) |
| 1947 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1948 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1949 | for (i = 0; i < len; i++) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1950 | if (!( element = PySequence_GetItem(class_args, i))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1951 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1952 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1953 | if (save(self, element, 0) < 0) { |
| 1954 | Py_DECREF(element); |
| 1955 | goto finally; |
| 1956 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1957 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1958 | Py_DECREF(element); |
| 1959 | } |
| 1960 | } |
| 1961 | else { |
| 1962 | PyErr_Clear(); |
| 1963 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1964 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1965 | if (!self->bin) { |
| 1966 | if (!( name = ((PyClassObject *)class)->cl_name )) { |
| 1967 | PyErr_SetString(PicklingError, "class has no name"); |
| 1968 | goto finally; |
| 1969 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1970 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1971 | if (!( module = whichmodule(class, name))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1972 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1973 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1974 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1975 | if ((module_size = PyString_Size(module)) < 0 || |
| 1976 | (name_size = PyString_Size(name)) < 0) |
| 1977 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1978 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1979 | module_str = PyString_AS_STRING((PyStringObject *)module); |
| 1980 | name_str = PyString_AS_STRING((PyStringObject *)name); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1981 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1982 | if (self->write_func(self, &inst, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1983 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1984 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1985 | if (self->write_func(self, module_str, module_size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1986 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1987 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1988 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1989 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1990 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1991 | if (self->write_func(self, name_str, name_size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1992 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1993 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1994 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1995 | goto finally; |
| 1996 | } |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1997 | else if (self->write_func(self, &obj, 1) < 0) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1998 | goto finally; |
| 1999 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2000 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2001 | if ((getstate_func = PyObject_GetAttr(args, __getstate___str))) { |
| 2002 | state = PyObject_Call(getstate_func, empty_tuple, NULL); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2003 | if (!state) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2004 | goto finally; |
| 2005 | } |
| 2006 | else { |
| 2007 | PyErr_Clear(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2008 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2009 | if (!( state = PyObject_GetAttr(args, __dict___str))) { |
| 2010 | PyErr_Clear(); |
| 2011 | res = 0; |
| 2012 | goto finally; |
| 2013 | } |
| 2014 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2015 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2016 | if (!PyDict_Check(state)) { |
| 2017 | if (put2(self, args) < 0) |
| 2018 | goto finally; |
| 2019 | } |
| 2020 | else { |
| 2021 | if (put(self, args) < 0) |
| 2022 | goto finally; |
| 2023 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2024 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2025 | if (save(self, state, 0) < 0) |
| 2026 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2027 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2028 | if (self->write_func(self, &build, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2029 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2030 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2031 | res = 0; |
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 | finally: |
| 2034 | if (self->fast && !fast_save_leave(self, args)) |
| 2035 | res = -1; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2036 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2037 | Py_XDECREF(module); |
| 2038 | Py_XDECREF(class); |
| 2039 | Py_XDECREF(state); |
| 2040 | Py_XDECREF(getinitargs_func); |
| 2041 | Py_XDECREF(getstate_func); |
| 2042 | Py_XDECREF(class_args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2043 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2044 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2045 | } |
| 2046 | |
| 2047 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2048 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2049 | save_global(Picklerobject *self, PyObject *args, PyObject *name) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2050 | { |
Jeremy Hylton | 9ee91f1 | 2002-07-11 22:02:33 +0000 | [diff] [blame] | 2051 | PyObject *global_name = 0, *module = 0, *mod = 0, *klass = 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2052 | char *name_str, *module_str; |
| 2053 | int module_size, name_size, res = -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2054 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2055 | static char global = GLOBAL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2056 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2057 | if (name) { |
| 2058 | global_name = name; |
| 2059 | Py_INCREF(global_name); |
| 2060 | } |
| 2061 | else { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2062 | if (!( global_name = PyObject_GetAttr(args, __name___str))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2063 | goto finally; |
| 2064 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2065 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2066 | if (!( module = whichmodule(args, global_name))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2067 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2068 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2069 | if ((module_size = PyString_Size(module)) < 0 || |
| 2070 | (name_size = PyString_Size(global_name)) < 0) |
| 2071 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2072 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2073 | module_str = PyString_AS_STRING((PyStringObject *)module); |
| 2074 | name_str = PyString_AS_STRING((PyStringObject *)global_name); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2075 | |
Guido van Rossum | 75bfd05 | 2002-12-24 18:10:07 +0000 | [diff] [blame] | 2076 | /* XXX This can be doing a relative import. Clearly it shouldn't, |
| 2077 | but I don't know how to stop it. :-( */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2078 | mod = PyImport_ImportModule(module_str); |
| 2079 | if (mod == NULL) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2080 | cPickle_ErrFormat(PicklingError, |
| 2081 | "Can't pickle %s: it's not found as %s.%s", |
| 2082 | "OSS", args, module, global_name); |
| 2083 | goto finally; |
| 2084 | } |
Jeremy Hylton | 0e1f7a8 | 2002-07-11 22:01:40 +0000 | [diff] [blame] | 2085 | klass = PyObject_GetAttrString(mod, name_str); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2086 | if (klass == NULL) { |
| 2087 | cPickle_ErrFormat(PicklingError, |
| 2088 | "Can't pickle %s: it's not found as %s.%s", |
| 2089 | "OSS", args, module, global_name); |
| 2090 | goto finally; |
| 2091 | } |
| 2092 | if (klass != args) { |
Jeremy Hylton | 0e1f7a8 | 2002-07-11 22:01:40 +0000 | [diff] [blame] | 2093 | Py_DECREF(klass); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2094 | cPickle_ErrFormat(PicklingError, |
Tim Peters | 731098b | 2003-02-04 20:56:09 +0000 | [diff] [blame] | 2095 | "Can't pickle %s: it's not the same object " |
| 2096 | "as %s.%s", |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2097 | "OSS", args, module, global_name); |
| 2098 | goto finally; |
| 2099 | } |
Jeremy Hylton | 0e1f7a8 | 2002-07-11 22:01:40 +0000 | [diff] [blame] | 2100 | Py_DECREF(klass); |
Guido van Rossum | a92d16a | 2001-08-18 21:22:07 +0000 | [diff] [blame] | 2101 | |
Tim Peters | 731098b | 2003-02-04 20:56:09 +0000 | [diff] [blame] | 2102 | if (self->proto >= 2) { |
| 2103 | /* See whether this is in the extension registry, and if |
| 2104 | * so generate an EXT opcode. |
| 2105 | */ |
| 2106 | PyObject *py_code; /* extension code as Python object */ |
Tim Peters | 3e667d5 | 2003-02-04 21:47:44 +0000 | [diff] [blame] | 2107 | long code; /* extension code as C value */ |
Tim Peters | 731098b | 2003-02-04 20:56:09 +0000 | [diff] [blame] | 2108 | char c_str[5]; |
| 2109 | int n; |
| 2110 | |
| 2111 | PyTuple_SET_ITEM(two_tuple, 0, module); |
| 2112 | PyTuple_SET_ITEM(two_tuple, 1, global_name); |
| 2113 | py_code = PyDict_GetItem(extension_registry, two_tuple); |
| 2114 | if (py_code == NULL) |
| 2115 | goto gen_global; /* not registered */ |
| 2116 | |
| 2117 | /* Verify py_code has the right type and value. */ |
| 2118 | if (!PyInt_Check(py_code)) { |
| 2119 | cPickle_ErrFormat(PicklingError, "Can't pickle %s: " |
Tim Peters | 6288e23 | 2003-02-05 03:53:10 +0000 | [diff] [blame] | 2120 | "extension code %s isn't an integer", |
Tim Peters | 731098b | 2003-02-04 20:56:09 +0000 | [diff] [blame] | 2121 | "OO", args, py_code); |
| 2122 | goto finally; |
| 2123 | } |
| 2124 | code = PyInt_AS_LONG(py_code); |
| 2125 | if (code <= 0 || code > 0x7fffffffL) { |
| 2126 | cPickle_ErrFormat(PicklingError, "Can't pickle %s: " |
| 2127 | "extension code %ld is out of range", |
| 2128 | "Ol", args, code); |
| 2129 | goto finally; |
| 2130 | } |
| 2131 | |
| 2132 | /* Generate an EXT opcode. */ |
| 2133 | if (code <= 0xff) { |
| 2134 | c_str[0] = EXT1; |
| 2135 | c_str[1] = (char)code; |
| 2136 | n = 2; |
| 2137 | } |
| 2138 | else if (code <= 0xffff) { |
| 2139 | c_str[0] = EXT2; |
| 2140 | c_str[1] = (char)(code & 0xff); |
| 2141 | c_str[2] = (char)((code >> 8) & 0xff); |
| 2142 | n = 3; |
| 2143 | } |
| 2144 | else { |
| 2145 | c_str[0] = EXT4; |
| 2146 | c_str[1] = (char)(code & 0xff); |
| 2147 | c_str[2] = (char)((code >> 8) & 0xff); |
| 2148 | c_str[3] = (char)((code >> 16) & 0xff); |
| 2149 | c_str[4] = (char)((code >> 24) & 0xff); |
| 2150 | n = 5; |
| 2151 | } |
| 2152 | |
| 2153 | if (self->write_func(self, c_str, n) >= 0) |
| 2154 | res = 0; |
| 2155 | goto finally; /* and don't memoize */ |
| 2156 | } |
| 2157 | |
| 2158 | gen_global: |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2159 | if (self->write_func(self, &global, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2160 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2161 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2162 | if (self->write_func(self, module_str, module_size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2163 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2164 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2165 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2166 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2167 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2168 | if (self->write_func(self, name_str, name_size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2169 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2170 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2171 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2172 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2173 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2174 | if (put(self, args) < 0) |
| 2175 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2176 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2177 | res = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2178 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2179 | finally: |
| 2180 | Py_XDECREF(module); |
| 2181 | Py_XDECREF(global_name); |
| 2182 | Py_XDECREF(mod); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2183 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2184 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2185 | } |
| 2186 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2187 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2188 | save_pers(Picklerobject *self, PyObject *args, PyObject *f) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2189 | { |
| 2190 | PyObject *pid = 0; |
| 2191 | int size, res = -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2192 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2193 | static char persid = PERSID, binpersid = BINPERSID; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2194 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2195 | Py_INCREF(args); |
| 2196 | ARG_TUP(self, args); |
| 2197 | if (self->arg) { |
| 2198 | pid = PyObject_Call(f, self->arg, NULL); |
| 2199 | FREE_ARG_TUP(self); |
| 2200 | } |
| 2201 | if (! pid) return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2202 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2203 | if (pid != Py_None) { |
| 2204 | if (!self->bin) { |
| 2205 | if (!PyString_Check(pid)) { |
| 2206 | PyErr_SetString(PicklingError, |
| 2207 | "persistent id must be string"); |
| 2208 | goto finally; |
| 2209 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2210 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2211 | if (self->write_func(self, &persid, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2212 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2213 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2214 | if ((size = PyString_Size(pid)) < 0) |
| 2215 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2216 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2217 | if (self->write_func(self, |
| 2218 | PyString_AS_STRING( |
| 2219 | (PyStringObject *)pid), |
| 2220 | size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2221 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2222 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2223 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2224 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2225 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2226 | res = 1; |
| 2227 | goto finally; |
| 2228 | } |
| 2229 | else if (save(self, pid, 1) >= 0) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2230 | if (self->write_func(self, &binpersid, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2231 | res = -1; |
| 2232 | else |
| 2233 | res = 1; |
| 2234 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2235 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2236 | goto finally; |
| 2237 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2238 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2239 | res = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2240 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2241 | finally: |
| 2242 | Py_XDECREF(pid); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2243 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2244 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2245 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2246 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2247 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2248 | static int |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2249 | save_reduce(Picklerobject *self, PyObject *callable, |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2250 | PyObject *tup, PyObject *state, PyObject *ob) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2251 | { |
| 2252 | static char reduce = REDUCE, build = BUILD; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2253 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2254 | if (save(self, callable, 0) < 0) |
| 2255 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2256 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2257 | if (save(self, tup, 0) < 0) |
| 2258 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2259 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2260 | if (self->write_func(self, &reduce, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2261 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2262 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2263 | if (ob != NULL) { |
| 2264 | if (state && !PyDict_Check(state)) { |
| 2265 | if (put2(self, ob) < 0) |
| 2266 | return -1; |
| 2267 | } |
| 2268 | else { |
| 2269 | if (put(self, ob) < 0) |
| 2270 | return -1; |
| 2271 | } |
| 2272 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2273 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2274 | if (state) { |
| 2275 | if (save(self, state, 0) < 0) |
| 2276 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2277 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2278 | if (self->write_func(self, &build, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2279 | return -1; |
| 2280 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2281 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2282 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2283 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2284 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2285 | static int |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 2286 | save(Picklerobject *self, PyObject *args, int pers_save) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2287 | { |
| 2288 | PyTypeObject *type; |
| 2289 | PyObject *py_ob_id = 0, *__reduce__ = 0, *t = 0, *arg_tup = 0, |
| 2290 | *callable = 0, *state = 0; |
| 2291 | int res = -1, tmp, size; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2292 | |
Martin v. Löwis | 5a39530 | 2002-08-04 08:20:23 +0000 | [diff] [blame] | 2293 | if (self->nesting++ > Py_GetRecursionLimit()){ |
| 2294 | PyErr_SetString(PyExc_RuntimeError, |
| 2295 | "maximum recursion depth exceeded"); |
| 2296 | goto finally; |
| 2297 | } |
| 2298 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2299 | if (!pers_save && self->pers_func) { |
| 2300 | if ((tmp = save_pers(self, args, self->pers_func)) != 0) { |
| 2301 | res = tmp; |
| 2302 | goto finally; |
| 2303 | } |
| 2304 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2305 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2306 | if (args == Py_None) { |
| 2307 | res = save_none(self, args); |
| 2308 | goto finally; |
| 2309 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2310 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2311 | type = args->ob_type; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2312 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2313 | switch (type->tp_name[0]) { |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 2314 | case 'b': |
| 2315 | if (args == Py_False || args == Py_True) { |
| 2316 | res = save_bool(self, args); |
| 2317 | goto finally; |
| 2318 | } |
| 2319 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2320 | case 'i': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2321 | if (type == &PyInt_Type) { |
| 2322 | res = save_int(self, args); |
| 2323 | goto finally; |
| 2324 | } |
| 2325 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2326 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2327 | case 'l': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2328 | if (type == &PyLong_Type) { |
| 2329 | res = save_long(self, args); |
| 2330 | goto finally; |
| 2331 | } |
| 2332 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2333 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2334 | case 'f': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2335 | if (type == &PyFloat_Type) { |
| 2336 | res = save_float(self, args); |
| 2337 | goto finally; |
| 2338 | } |
| 2339 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2340 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2341 | case 't': |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 2342 | if (type == &PyTuple_Type && PyTuple_Size(args) == 0) { |
| 2343 | res = save_tuple(self, args); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2344 | goto finally; |
| 2345 | } |
| 2346 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2347 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2348 | case 's': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2349 | if ((type == &PyString_Type) && (PyString_GET_SIZE(args) < 2)) { |
| 2350 | res = save_string(self, args, 0); |
| 2351 | goto finally; |
| 2352 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2353 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2354 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2355 | case 'u': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2356 | if ((type == &PyUnicode_Type) && (PyString_GET_SIZE(args) < 2)) { |
| 2357 | res = save_unicode(self, args, 0); |
| 2358 | goto finally; |
| 2359 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2360 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2361 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2362 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2363 | if (args->ob_refcnt > 1) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2364 | if (!( py_ob_id = PyLong_FromVoidPtr(args))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2365 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2366 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2367 | if (PyDict_GetItem(self->memo, py_ob_id)) { |
| 2368 | if (get(self, py_ob_id) < 0) |
| 2369 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2370 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2371 | res = 0; |
| 2372 | goto finally; |
| 2373 | } |
| 2374 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2375 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2376 | switch (type->tp_name[0]) { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2377 | case 's': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2378 | if (type == &PyString_Type) { |
| 2379 | res = save_string(self, args, 1); |
| 2380 | goto finally; |
| 2381 | } |
| 2382 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2383 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2384 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2385 | case 'u': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2386 | if (type == &PyUnicode_Type) { |
| 2387 | res = save_unicode(self, args, 1); |
| 2388 | goto finally; |
| 2389 | } |
| 2390 | break; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2391 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2392 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2393 | case 't': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2394 | if (type == &PyTuple_Type) { |
| 2395 | res = save_tuple(self, args); |
| 2396 | goto finally; |
| 2397 | } |
| 2398 | if (type == &PyType_Type) { |
| 2399 | res = save_global(self, args, NULL); |
| 2400 | goto finally; |
| 2401 | } |
| 2402 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2403 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2404 | case 'l': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2405 | if (type == &PyList_Type) { |
| 2406 | res = save_list(self, args); |
| 2407 | goto finally; |
| 2408 | } |
| 2409 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2410 | |
| 2411 | case 'd': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2412 | if (type == &PyDict_Type) { |
| 2413 | res = save_dict(self, args); |
| 2414 | goto finally; |
| 2415 | } |
| 2416 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2417 | |
| 2418 | case 'i': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2419 | if (type == &PyInstance_Type) { |
| 2420 | res = save_inst(self, args); |
| 2421 | goto finally; |
| 2422 | } |
| 2423 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2424 | |
| 2425 | case 'c': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2426 | if (type == &PyClass_Type) { |
| 2427 | res = save_global(self, args, NULL); |
| 2428 | goto finally; |
| 2429 | } |
| 2430 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2431 | |
| 2432 | case 'f': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2433 | if (type == &PyFunction_Type) { |
| 2434 | res = save_global(self, args, NULL); |
| 2435 | goto finally; |
| 2436 | } |
| 2437 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2438 | |
| 2439 | case 'b': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2440 | if (type == &PyCFunction_Type) { |
| 2441 | res = save_global(self, args, NULL); |
| 2442 | goto finally; |
| 2443 | } |
| 2444 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2445 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2446 | if (!pers_save && self->inst_pers_func) { |
| 2447 | if ((tmp = save_pers(self, args, self->inst_pers_func)) != 0) { |
| 2448 | res = tmp; |
| 2449 | goto finally; |
| 2450 | } |
| 2451 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2452 | |
Jeremy Hylton | 39c6116 | 2002-07-16 19:47:43 +0000 | [diff] [blame] | 2453 | if (PyType_IsSubtype(type, &PyType_Type)) { |
| 2454 | res = save_global(self, args, NULL); |
| 2455 | goto finally; |
| 2456 | } |
| 2457 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2458 | if ((__reduce__ = PyDict_GetItem(dispatch_table, (PyObject *)type))) { |
| 2459 | Py_INCREF(__reduce__); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2460 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2461 | Py_INCREF(args); |
| 2462 | ARG_TUP(self, args); |
| 2463 | if (self->arg) { |
| 2464 | t = PyObject_Call(__reduce__, self->arg, NULL); |
| 2465 | FREE_ARG_TUP(self); |
| 2466 | } |
| 2467 | if (! t) goto finally; |
| 2468 | } |
| 2469 | else { |
| 2470 | PyErr_Clear(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2471 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2472 | if ((__reduce__ = PyObject_GetAttr(args, __reduce___str))) { |
| 2473 | t = PyObject_Call(__reduce__, empty_tuple, NULL); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2474 | if (!t) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2475 | goto finally; |
| 2476 | } |
| 2477 | else { |
| 2478 | PyErr_Clear(); |
| 2479 | } |
| 2480 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2481 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2482 | if (t) { |
| 2483 | if (PyString_Check(t)) { |
| 2484 | res = save_global(self, args, t); |
| 2485 | goto finally; |
| 2486 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2487 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2488 | if (!PyTuple_Check(t)) { |
| 2489 | cPickle_ErrFormat(PicklingError, "Value returned by %s must " |
| 2490 | "be a tuple", "O", __reduce__); |
| 2491 | goto finally; |
| 2492 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2493 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2494 | size = PyTuple_Size(t); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2495 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2496 | if ((size != 3) && (size != 2)) { |
| 2497 | cPickle_ErrFormat(PicklingError, "tuple returned by %s must " |
| 2498 | "contain only two or three elements", "O", __reduce__); |
| 2499 | goto finally; |
| 2500 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2501 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2502 | callable = PyTuple_GET_ITEM(t, 0); |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 2503 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2504 | arg_tup = PyTuple_GET_ITEM(t, 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2505 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2506 | if (size > 2) { |
| 2507 | state = PyTuple_GET_ITEM(t, 2); |
Guido van Rossum | 8e0ad0c | 2003-01-31 21:10:31 +0000 | [diff] [blame] | 2508 | if (state == Py_None) |
| 2509 | state = NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2510 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2511 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2512 | if (!( PyTuple_Check(arg_tup) || arg_tup==Py_None )) { |
| 2513 | cPickle_ErrFormat(PicklingError, "Second element of tuple " |
| 2514 | "returned by %s must be a tuple", "O", __reduce__); |
| 2515 | goto finally; |
| 2516 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2517 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2518 | res = save_reduce(self, callable, arg_tup, state, args); |
| 2519 | goto finally; |
| 2520 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2521 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2522 | PyErr_SetObject(UnpickleableError, args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2523 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2524 | finally: |
Martin v. Löwis | 5a39530 | 2002-08-04 08:20:23 +0000 | [diff] [blame] | 2525 | self->nesting--; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2526 | Py_XDECREF(py_ob_id); |
| 2527 | Py_XDECREF(__reduce__); |
| 2528 | Py_XDECREF(t); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2529 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2530 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2531 | } |
| 2532 | |
| 2533 | |
| 2534 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2535 | dump(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2536 | { |
| 2537 | static char stop = STOP; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2538 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 2539 | if (self->proto >= 2) { |
| 2540 | char bytes[2]; |
| 2541 | |
| 2542 | bytes[0] = PROTO; |
Tim Peters | 87482ea | 2003-02-02 16:16:30 +0000 | [diff] [blame] | 2543 | assert(self->proto >= 0 && self->proto < 256); |
| 2544 | bytes[1] = (char)self->proto; |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 2545 | if (self->write_func(self, bytes, 2) < 0) |
| 2546 | return -1; |
| 2547 | } |
| 2548 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2549 | if (save(self, args, 0) < 0) |
| 2550 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2551 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 2552 | if (self->write_func(self, &stop, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2553 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2554 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 2555 | if (self->write_func(self, NULL, 0) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2556 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2557 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2558 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2559 | } |
| 2560 | |
| 2561 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2562 | Pickle_clear_memo(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2563 | { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2564 | if (self->memo) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2565 | PyDict_Clear(self->memo); |
| 2566 | Py_INCREF(Py_None); |
| 2567 | return Py_None; |
| 2568 | } |
| 2569 | |
| 2570 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2571 | Pickle_getvalue(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2572 | { |
| 2573 | int l, i, rsize, ssize, clear=1, lm; |
| 2574 | long ik; |
| 2575 | PyObject *k, *r; |
| 2576 | char *s, *p, *have_get; |
| 2577 | Pdata *data; |
| 2578 | |
| 2579 | /* Can be called by Python code or C code */ |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2580 | if (args && !PyArg_ParseTuple(args, "|i:getvalue", &clear)) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2581 | return NULL; |
| 2582 | |
| 2583 | /* Check to make sure we are based on a list */ |
| 2584 | if (! Pdata_Check(self->file)) { |
| 2585 | PyErr_SetString(PicklingError, |
| 2586 | "Attempt to getvalue() a non-list-based pickler"); |
| 2587 | return NULL; |
| 2588 | } |
| 2589 | |
| 2590 | /* flush write buffer */ |
| 2591 | if (write_other(self, NULL, 0) < 0) return NULL; |
| 2592 | |
| 2593 | data=(Pdata*)self->file; |
| 2594 | l=data->length; |
| 2595 | |
| 2596 | /* set up an array to hold get/put status */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2597 | lm = PyDict_Size(self->memo); |
| 2598 | if (lm < 0) return NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2599 | lm++; |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2600 | have_get = malloc(lm); |
| 2601 | if (have_get == NULL) return PyErr_NoMemory(); |
| 2602 | memset(have_get, 0, lm); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2603 | |
| 2604 | /* Scan for gets. */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2605 | for (rsize = 0, i = l; --i >= 0; ) { |
| 2606 | k = data->data[i]; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2607 | |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2608 | if (PyString_Check(k)) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2609 | rsize += PyString_GET_SIZE(k); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2610 | |
| 2611 | else if (PyInt_Check(k)) { /* put */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2612 | ik = PyInt_AS_LONG((PyIntObject*)k); |
| 2613 | if (ik >= lm || ik == 0) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2614 | PyErr_SetString(PicklingError, |
| 2615 | "Invalid get data"); |
| 2616 | return NULL; |
| 2617 | } |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2618 | if (have_get[ik]) /* with matching get */ |
| 2619 | rsize += ik < 256 ? 2 : 5; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2620 | } |
| 2621 | |
| 2622 | else if (! (PyTuple_Check(k) && |
| 2623 | PyTuple_GET_SIZE(k) == 2 && |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2624 | PyInt_Check((k = PyTuple_GET_ITEM(k, 0)))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2625 | ) { |
| 2626 | PyErr_SetString(PicklingError, |
| 2627 | "Unexpected data in internal list"); |
| 2628 | return NULL; |
| 2629 | } |
| 2630 | |
| 2631 | else { /* put */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2632 | ik = PyInt_AS_LONG((PyIntObject *)k); |
| 2633 | if (ik >= lm || ik == 0) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2634 | PyErr_SetString(PicklingError, |
| 2635 | "Invalid get data"); |
| 2636 | return NULL; |
| 2637 | } |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2638 | have_get[ik] = 1; |
| 2639 | rsize += ik < 256 ? 2 : 5; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2640 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2641 | } |
| 2642 | |
| 2643 | /* Now generate the result */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2644 | r = PyString_FromStringAndSize(NULL, rsize); |
| 2645 | if (r == NULL) goto err; |
| 2646 | s = PyString_AS_STRING((PyStringObject *)r); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2647 | |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2648 | for (i = 0; i < l; i++) { |
| 2649 | k = data->data[i]; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2650 | |
| 2651 | if (PyString_Check(k)) { |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2652 | ssize = PyString_GET_SIZE(k); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2653 | if (ssize) { |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2654 | p=PyString_AS_STRING((PyStringObject *)k); |
| 2655 | while (--ssize >= 0) |
| 2656 | *s++ = *p++; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2657 | } |
| 2658 | } |
| 2659 | |
| 2660 | else if (PyTuple_Check(k)) { /* get */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2661 | ik = PyInt_AS_LONG((PyIntObject *) |
| 2662 | PyTuple_GET_ITEM(k, 0)); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2663 | if (ik < 256) { |
| 2664 | *s++ = BINGET; |
| 2665 | *s++ = (int)(ik & 0xff); |
| 2666 | } |
| 2667 | else { |
| 2668 | *s++ = LONG_BINGET; |
| 2669 | *s++ = (int)(ik & 0xff); |
| 2670 | *s++ = (int)((ik >> 8) & 0xff); |
| 2671 | *s++ = (int)((ik >> 16) & 0xff); |
| 2672 | *s++ = (int)((ik >> 24) & 0xff); |
| 2673 | } |
| 2674 | } |
| 2675 | |
| 2676 | else { /* put */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2677 | ik = PyInt_AS_LONG((PyIntObject*)k); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2678 | |
| 2679 | if (have_get[ik]) { /* with matching get */ |
| 2680 | if (ik < 256) { |
| 2681 | *s++ = BINPUT; |
| 2682 | *s++ = (int)(ik & 0xff); |
| 2683 | } |
| 2684 | else { |
| 2685 | *s++ = LONG_BINPUT; |
| 2686 | *s++ = (int)(ik & 0xff); |
| 2687 | *s++ = (int)((ik >> 8) & 0xff); |
| 2688 | *s++ = (int)((ik >> 16) & 0xff); |
| 2689 | *s++ = (int)((ik >> 24) & 0xff); |
| 2690 | } |
| 2691 | } |
| 2692 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2693 | } |
| 2694 | |
| 2695 | if (clear) { |
| 2696 | PyDict_Clear(self->memo); |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2697 | Pdata_clear(data, 0); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2698 | } |
| 2699 | |
| 2700 | free(have_get); |
| 2701 | return r; |
| 2702 | err: |
| 2703 | free(have_get); |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2704 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2705 | } |
| 2706 | |
| 2707 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2708 | Pickler_dump(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2709 | { |
| 2710 | PyObject *ob; |
| 2711 | int get=0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2712 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2713 | if (!( PyArg_ParseTuple(args, "O|i:dump", &ob, &get))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2714 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2715 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2716 | if (dump(self, ob) < 0) |
| 2717 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2718 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2719 | if (get) return Pickle_getvalue(self, NULL); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2720 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2721 | /* XXX Why does dump() return self? */ |
| 2722 | Py_INCREF(self); |
| 2723 | return (PyObject*)self; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2724 | } |
| 2725 | |
| 2726 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2727 | static struct PyMethodDef Pickler_methods[] = |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2728 | { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 2729 | {"dump", (PyCFunction)Pickler_dump, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 2730 | PyDoc_STR("dump(object) -- " |
| 2731 | "Write an object in pickle format to the object's pickle stream")}, |
Fred Drake | 0ebacc8 | 2002-05-01 20:36:39 +0000 | [diff] [blame] | 2732 | {"clear_memo", (PyCFunction)Pickle_clear_memo, METH_NOARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 2733 | PyDoc_STR("clear_memo() -- Clear the picklers memo")}, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 2734 | {"getvalue", (PyCFunction)Pickle_getvalue, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 2735 | PyDoc_STR("getvalue() -- Finish picking a list-based pickle")}, |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2736 | {NULL, NULL} /* sentinel */ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2737 | }; |
| 2738 | |
| 2739 | |
| 2740 | static Picklerobject * |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2741 | newPicklerobject(PyObject *file, int proto) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2742 | { |
| 2743 | Picklerobject *self; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2744 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2745 | if (proto < 0) |
| 2746 | proto = CURRENT_PROTOCOL_NUMBER; |
| 2747 | if (proto > CURRENT_PROTOCOL_NUMBER) { |
| 2748 | PyErr_Format(PyExc_ValueError, "pickle protocol %d asked for; " |
| 2749 | "the highest available protocol is %d", |
| 2750 | proto, CURRENT_PROTOCOL_NUMBER); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2751 | return NULL; |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2752 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2753 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2754 | self = PyObject_New(Picklerobject, &Picklertype); |
| 2755 | if (self == NULL) |
| 2756 | return NULL; |
| 2757 | self->proto = proto; |
| 2758 | self->bin = proto > 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2759 | self->fp = NULL; |
| 2760 | self->write = NULL; |
| 2761 | self->memo = NULL; |
| 2762 | self->arg = NULL; |
| 2763 | self->pers_func = NULL; |
| 2764 | self->inst_pers_func = NULL; |
| 2765 | self->write_buf = NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2766 | self->fast = 0; |
Martin v. Löwis | 5a39530 | 2002-08-04 08:20:23 +0000 | [diff] [blame] | 2767 | self->nesting = 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2768 | self->fast_container = 0; |
| 2769 | self->fast_memo = NULL; |
| 2770 | self->buf_size = 0; |
| 2771 | self->dispatch_table = NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2772 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2773 | self->file = NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2774 | if (file) |
| 2775 | Py_INCREF(file); |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2776 | else { |
| 2777 | file = Pdata_New(); |
| 2778 | if (file == NULL) |
| 2779 | goto err; |
| 2780 | } |
| 2781 | self->file = file; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2782 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2783 | if (!( self->memo = PyDict_New())) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2784 | goto err; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2785 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2786 | if (PyFile_Check(file)) { |
| 2787 | self->fp = PyFile_AsFile(file); |
| 2788 | if (self->fp == NULL) { |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2789 | PyErr_SetString(PyExc_ValueError, |
| 2790 | "I/O operation on closed file"); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2791 | goto err; |
| 2792 | } |
| 2793 | self->write_func = write_file; |
Guido van Rossum | c91fcaa | 1999-03-29 20:00:14 +0000 | [diff] [blame] | 2794 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2795 | else if (PycStringIO_OutputCheck(file)) { |
| 2796 | self->write_func = write_cStringIO; |
| 2797 | } |
| 2798 | else if (file == Py_None) { |
| 2799 | self->write_func = write_none; |
| 2800 | } |
| 2801 | else { |
| 2802 | self->write_func = write_other; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2803 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2804 | if (! Pdata_Check(file)) { |
| 2805 | self->write = PyObject_GetAttr(file, write_str); |
| 2806 | if (!self->write) { |
| 2807 | PyErr_Clear(); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2808 | PyErr_SetString(PyExc_TypeError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2809 | "argument must have 'write' " |
| 2810 | "attribute"); |
| 2811 | goto err; |
| 2812 | } |
| 2813 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2814 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2815 | self->write_buf = (char *)PyMem_Malloc(WRITE_BUF_SIZE); |
| 2816 | if (self->write_buf == NULL) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2817 | PyErr_NoMemory(); |
| 2818 | goto err; |
| 2819 | } |
| 2820 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2821 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2822 | if (PyEval_GetRestricted()) { |
| 2823 | /* Restricted execution, get private tables */ |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 2824 | PyObject *m = PyImport_Import(copy_reg_str); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2825 | |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 2826 | if (m == NULL) |
| 2827 | goto err; |
| 2828 | self->dispatch_table = PyObject_GetAttr(m, dispatch_table_str); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2829 | Py_DECREF(m); |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 2830 | if (self->dispatch_table == NULL) |
| 2831 | goto err; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2832 | } |
| 2833 | else { |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 2834 | self->dispatch_table = dispatch_table; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2835 | Py_INCREF(dispatch_table); |
| 2836 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2837 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2838 | return self; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2839 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2840 | err: |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2841 | Py_DECREF(self); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2842 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2843 | } |
| 2844 | |
| 2845 | |
| 2846 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2847 | get_Pickler(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2848 | { |
| 2849 | PyObject *file = NULL; |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2850 | int proto = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2851 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2852 | /* XXX What is this doing? The documented signature is |
| 2853 | * XXX Pickler(file, proto=0), but this accepts Pickler() and |
| 2854 | * XXX Pickler(integer) too. The meaning then is clear as mud. |
| 2855 | * XXX Bug? Feature? |
| 2856 | */ |
| 2857 | if (!PyArg_ParseTuple(args, "|i:Pickler", &proto)) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2858 | PyErr_Clear(); |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2859 | proto = 0; |
| 2860 | if (!PyArg_ParseTuple(args, "O|i:Pickler", &file, &proto)) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2861 | return NULL; |
| 2862 | } |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2863 | return (PyObject *)newPicklerobject(file, proto); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2864 | } |
| 2865 | |
| 2866 | |
| 2867 | static void |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2868 | Pickler_dealloc(Picklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2869 | { |
| 2870 | Py_XDECREF(self->write); |
| 2871 | Py_XDECREF(self->memo); |
| 2872 | Py_XDECREF(self->fast_memo); |
| 2873 | Py_XDECREF(self->arg); |
| 2874 | Py_XDECREF(self->file); |
| 2875 | Py_XDECREF(self->pers_func); |
| 2876 | Py_XDECREF(self->inst_pers_func); |
| 2877 | Py_XDECREF(self->dispatch_table); |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2878 | PyMem_Free(self->write_buf); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2879 | PyObject_Del(self); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2880 | } |
| 2881 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2882 | static PyObject * |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2883 | Pickler_get_pers_func(Picklerobject *p) |
| 2884 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2885 | if (p->pers_func == NULL) |
| 2886 | PyErr_SetString(PyExc_AttributeError, "persistent_id"); |
| 2887 | else |
| 2888 | Py_INCREF(p->pers_func); |
| 2889 | return p->pers_func; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2890 | } |
| 2891 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2892 | static int |
| 2893 | Pickler_set_pers_func(Picklerobject *p, PyObject *v) |
| 2894 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2895 | if (v == NULL) { |
| 2896 | PyErr_SetString(PyExc_TypeError, |
| 2897 | "attribute deletion is not supported"); |
| 2898 | return -1; |
| 2899 | } |
| 2900 | Py_XDECREF(p->pers_func); |
| 2901 | Py_INCREF(v); |
| 2902 | p->pers_func = v; |
| 2903 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2904 | } |
| 2905 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2906 | static int |
| 2907 | Pickler_set_inst_pers_func(Picklerobject *p, PyObject *v) |
| 2908 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2909 | if (v == NULL) { |
| 2910 | PyErr_SetString(PyExc_TypeError, |
| 2911 | "attribute deletion is not supported"); |
| 2912 | return -1; |
| 2913 | } |
| 2914 | Py_XDECREF(p->inst_pers_func); |
| 2915 | Py_INCREF(v); |
| 2916 | p->inst_pers_func = v; |
| 2917 | return 0; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2918 | } |
| 2919 | |
| 2920 | static PyObject * |
| 2921 | Pickler_get_memo(Picklerobject *p) |
| 2922 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2923 | if (p->memo == NULL) |
| 2924 | PyErr_SetString(PyExc_AttributeError, "memo"); |
| 2925 | else |
| 2926 | Py_INCREF(p->memo); |
| 2927 | return p->memo; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2928 | } |
| 2929 | |
| 2930 | static int |
| 2931 | Pickler_set_memo(Picklerobject *p, PyObject *v) |
| 2932 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2933 | if (v == NULL) { |
| 2934 | PyErr_SetString(PyExc_TypeError, |
| 2935 | "attribute deletion is not supported"); |
| 2936 | return -1; |
| 2937 | } |
| 2938 | if (!PyDict_Check(v)) { |
| 2939 | PyErr_SetString(PyExc_TypeError, "memo must be a dictionary"); |
| 2940 | return -1; |
| 2941 | } |
| 2942 | Py_XDECREF(p->memo); |
| 2943 | Py_INCREF(v); |
| 2944 | p->memo = v; |
| 2945 | return 0; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2946 | } |
| 2947 | |
| 2948 | static PyObject * |
| 2949 | Pickler_get_error(Picklerobject *p) |
| 2950 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2951 | /* why is this an attribute on the Pickler? */ |
| 2952 | Py_INCREF(PicklingError); |
| 2953 | return PicklingError; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2954 | } |
| 2955 | |
| 2956 | static PyMemberDef Pickler_members[] = { |
| 2957 | {"binary", T_INT, offsetof(Picklerobject, bin)}, |
| 2958 | {"fast", T_INT, offsetof(Picklerobject, fast)}, |
Jeremy Hylton | 3eb46f3 | 2001-10-16 17:10:49 +0000 | [diff] [blame] | 2959 | {NULL} |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2960 | }; |
| 2961 | |
| 2962 | static PyGetSetDef Pickler_getsets[] = { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2963 | {"persistent_id", (getter)Pickler_get_pers_func, |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2964 | (setter)Pickler_set_pers_func}, |
| 2965 | {"inst_persistent_id", NULL, (setter)Pickler_set_inst_pers_func}, |
| 2966 | {"memo", (getter)Pickler_get_memo, (setter)Pickler_set_memo}, |
Jeremy Hylton | 3eb46f3 | 2001-10-16 17:10:49 +0000 | [diff] [blame] | 2967 | {"PicklingError", (getter)Pickler_get_error, NULL}, |
| 2968 | {NULL} |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2969 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2970 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 2971 | PyDoc_STRVAR(Picklertype__doc__, |
| 2972 | "Objects that know how to pickle objects\n"); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2973 | |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 2974 | static PyTypeObject Picklertype = { |
| 2975 | PyObject_HEAD_INIT(NULL) |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2976 | 0, /*ob_size*/ |
Guido van Rossum | 1464839 | 2001-12-08 18:02:58 +0000 | [diff] [blame] | 2977 | "cPickle.Pickler", /*tp_name*/ |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2978 | sizeof(Picklerobject), /*tp_basicsize*/ |
| 2979 | 0, |
| 2980 | (destructor)Pickler_dealloc, /* tp_dealloc */ |
| 2981 | 0, /* tp_print */ |
| 2982 | 0, /* tp_getattr */ |
| 2983 | 0, /* tp_setattr */ |
| 2984 | 0, /* tp_compare */ |
| 2985 | 0, /* tp_repr */ |
| 2986 | 0, /* tp_as_number */ |
| 2987 | 0, /* tp_as_sequence */ |
| 2988 | 0, /* tp_as_mapping */ |
| 2989 | 0, /* tp_hash */ |
| 2990 | 0, /* tp_call */ |
| 2991 | 0, /* tp_str */ |
Jason Tishler | fb8595d | 2003-01-06 12:41:26 +0000 | [diff] [blame] | 2992 | PyObject_GenericGetAttr, /* tp_getattro */ |
| 2993 | PyObject_GenericSetAttr, /* tp_setattro */ |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2994 | 0, /* tp_as_buffer */ |
| 2995 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */ |
| 2996 | Picklertype__doc__, /* tp_doc */ |
| 2997 | 0, /* tp_traverse */ |
| 2998 | 0, /* tp_clear */ |
| 2999 | 0, /* tp_richcompare */ |
| 3000 | 0, /* tp_weaklistoffset */ |
| 3001 | 0, /* tp_iter */ |
| 3002 | 0, /* tp_iternext */ |
| 3003 | Pickler_methods, /* tp_methods */ |
| 3004 | Pickler_members, /* tp_members */ |
| 3005 | Pickler_getsets, /* tp_getset */ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 3006 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 3007 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 3008 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3009 | 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] | 3010 | { |
| 3011 | PyObject *global = 0, *module; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 3012 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3013 | if (fc) { |
| 3014 | if (fc==Py_None) { |
| 3015 | PyErr_SetString(UnpicklingError, |
| 3016 | "Global and instance pickles are not supported."); |
| 3017 | return NULL; |
| 3018 | } |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3019 | return PyObject_CallFunction(fc, "OO", py_module_name, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3020 | py_global_name); |
| 3021 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 3022 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3023 | module = PySys_GetObject("modules"); |
| 3024 | if (module == NULL) |
| 3025 | return NULL; |
Jeremy Hylton | d105523 | 1998-08-11 19:52:51 +0000 | [diff] [blame] | 3026 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3027 | module = PyDict_GetItem(module, py_module_name); |
| 3028 | if (module == NULL) { |
| 3029 | module = PyImport_Import(py_module_name); |
| 3030 | if (!module) |
| 3031 | return NULL; |
| 3032 | global = PyObject_GetAttr(module, py_global_name); |
| 3033 | Py_DECREF(module); |
| 3034 | } |
| 3035 | else |
| 3036 | global = PyObject_GetAttr(module, py_global_name); |
| 3037 | return global; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 3038 | } |
| 3039 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 3040 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3041 | marker(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3042 | { |
| 3043 | if (self->num_marks < 1) { |
| 3044 | PyErr_SetString(UnpicklingError, "could not find MARK"); |
| 3045 | return -1; |
| 3046 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3047 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3048 | return self->marks[--self->num_marks]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3049 | } |
| 3050 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3051 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3052 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3053 | load_none(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3054 | { |
| 3055 | PDATA_APPEND(self->stack, Py_None, -1); |
| 3056 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3057 | } |
| 3058 | |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 3059 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3060 | bad_readline(void) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3061 | { |
| 3062 | PyErr_SetString(UnpicklingError, "pickle data was truncated"); |
| 3063 | return -1; |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 3064 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3065 | |
| 3066 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3067 | load_int(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3068 | { |
| 3069 | PyObject *py_int = 0; |
| 3070 | char *endptr, *s; |
| 3071 | int len, res = -1; |
| 3072 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3073 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3074 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3075 | if (len < 2) return bad_readline(); |
| 3076 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3077 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3078 | errno = 0; |
| 3079 | l = strtol(s, &endptr, 0); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3080 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3081 | if (errno || (*endptr != '\n') || (endptr[1] != '\0')) { |
| 3082 | /* Hm, maybe we've got something long. Let's try reading |
| 3083 | it as a Python long object. */ |
| 3084 | errno = 0; |
| 3085 | py_int = PyLong_FromString(s, NULL, 0); |
| 3086 | if (py_int == NULL) { |
| 3087 | PyErr_SetString(PyExc_ValueError, |
| 3088 | "could not convert string to int"); |
| 3089 | goto finally; |
| 3090 | } |
| 3091 | } |
| 3092 | else { |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 3093 | if (len == 3 && (l == 0 || l == 1)) { |
| 3094 | if (!( py_int = PyBool_FromLong(l))) goto finally; |
| 3095 | } |
| 3096 | else { |
| 3097 | if (!( py_int = PyInt_FromLong(l))) goto finally; |
| 3098 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3099 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3100 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3101 | free(s); |
| 3102 | PDATA_PUSH(self->stack, py_int, -1); |
| 3103 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3104 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3105 | finally: |
| 3106 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3107 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3108 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3109 | } |
| 3110 | |
Tim Peters | 3c67d79 | 2003-02-02 17:59:11 +0000 | [diff] [blame] | 3111 | static int |
| 3112 | load_bool(Unpicklerobject *self, PyObject *boolean) |
| 3113 | { |
| 3114 | assert(boolean == Py_True || boolean == Py_False); |
Tim Peters | e0a3907 | 2003-02-03 15:45:56 +0000 | [diff] [blame] | 3115 | PDATA_APPEND(self->stack, boolean, -1); |
Tim Peters | 3c67d79 | 2003-02-02 17:59:11 +0000 | [diff] [blame] | 3116 | return 0; |
| 3117 | } |
| 3118 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 3119 | /* s contains x bytes of a little-endian integer. Return its value as a |
| 3120 | * C int. Obscure: when x is 1 or 2, this is an unsigned little-endian |
| 3121 | * int, but when x is 4 it's a signed one. This is an historical source |
| 3122 | * of x-platform bugs. |
| 3123 | */ |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3124 | static long |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 3125 | calc_binint(char *s, int x) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3126 | { |
| 3127 | unsigned char c; |
| 3128 | int i; |
| 3129 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3130 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3131 | for (i = 0, l = 0L; i < x; i++) { |
| 3132 | c = (unsigned char)s[i]; |
| 3133 | l |= (long)c << (i * 8); |
| 3134 | } |
Tim Peters | bfa18f7 | 2001-04-10 01:54:42 +0000 | [diff] [blame] | 3135 | #if SIZEOF_LONG > 4 |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3136 | /* Unlike BININT1 and BININT2, BININT (more accurately BININT4) |
| 3137 | * is signed, so on a box with longs bigger than 4 bytes we need |
| 3138 | * to extend a BININT's sign bit to the full width. |
| 3139 | */ |
| 3140 | if (x == 4 && l & (1L << 31)) |
| 3141 | l |= (~0L) << 32; |
Tim Peters | bfa18f7 | 2001-04-10 01:54:42 +0000 | [diff] [blame] | 3142 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3143 | return l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3144 | } |
| 3145 | |
| 3146 | |
| 3147 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3148 | load_binintx(Unpicklerobject *self, char *s, int x) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3149 | { |
| 3150 | PyObject *py_int = 0; |
| 3151 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3152 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3153 | l = calc_binint(s, x); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3154 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3155 | if (!( py_int = PyInt_FromLong(l))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3156 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3157 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3158 | PDATA_PUSH(self->stack, py_int, -1); |
| 3159 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3160 | } |
| 3161 | |
| 3162 | |
| 3163 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3164 | load_binint(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3165 | { |
| 3166 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3167 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3168 | if (self->read_func(self, &s, 4) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3169 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3170 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3171 | return load_binintx(self, s, 4); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3172 | } |
| 3173 | |
| 3174 | |
| 3175 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3176 | load_binint1(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3177 | { |
| 3178 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3179 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3180 | if (self->read_func(self, &s, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3181 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3182 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3183 | return load_binintx(self, s, 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3184 | } |
| 3185 | |
| 3186 | |
| 3187 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3188 | load_binint2(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3189 | { |
| 3190 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3191 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3192 | if (self->read_func(self, &s, 2) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3193 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3194 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3195 | return load_binintx(self, s, 2); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3196 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3197 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3198 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3199 | load_long(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3200 | { |
| 3201 | PyObject *l = 0; |
| 3202 | char *end, *s; |
| 3203 | int len, res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3204 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3205 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3206 | if (len < 2) return bad_readline(); |
| 3207 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3208 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3209 | if (!( l = PyLong_FromString(s, &end, 0))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3210 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3211 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3212 | free(s); |
| 3213 | PDATA_PUSH(self->stack, l, -1); |
| 3214 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3215 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3216 | finally: |
| 3217 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3218 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3219 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3220 | } |
| 3221 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 3222 | /* 'size' bytes contain the # of bytes of little-endian 256's-complement |
| 3223 | * data following. |
| 3224 | */ |
| 3225 | static int |
| 3226 | load_counted_long(Unpicklerobject *self, int size) |
| 3227 | { |
| 3228 | int i; |
| 3229 | char *nbytes; |
| 3230 | unsigned char *pdata; |
| 3231 | PyObject *along; |
| 3232 | |
| 3233 | assert(size == 1 || size == 4); |
| 3234 | i = self->read_func(self, &nbytes, size); |
| 3235 | if (i < 0) return -1; |
| 3236 | |
| 3237 | size = calc_binint(nbytes, size); |
| 3238 | if (size < 0) { |
| 3239 | /* Corrupt or hostile pickle -- we never write one like |
| 3240 | * this. |
| 3241 | */ |
Tim Peters | 0c7c48e | 2003-02-03 22:07:24 +0000 | [diff] [blame] | 3242 | PyErr_SetString(UnpicklingError, "LONG pickle has negative " |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 3243 | "byte count"); |
| 3244 | return -1; |
| 3245 | } |
| 3246 | |
| 3247 | if (size == 0) |
| 3248 | along = PyLong_FromLong(0L); |
| 3249 | else { |
| 3250 | /* Read the raw little-endian bytes & convert. */ |
Neal Norwitz | 529baf2 | 2003-02-02 17:08:33 +0000 | [diff] [blame] | 3251 | i = self->read_func(self, (char **)&pdata, size); |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 3252 | if (i < 0) return -1; |
| 3253 | along = _PyLong_FromByteArray(pdata, (size_t)size, |
| 3254 | 1 /* little endian */, 1 /* signed */); |
| 3255 | } |
| 3256 | if (along == NULL) |
| 3257 | return -1; |
| 3258 | PDATA_PUSH(self->stack, along, -1); |
| 3259 | return 0; |
| 3260 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3261 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3262 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3263 | load_float(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3264 | { |
| 3265 | PyObject *py_float = 0; |
| 3266 | char *endptr, *s; |
| 3267 | int len, res = -1; |
| 3268 | double d; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3269 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3270 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3271 | if (len < 2) return bad_readline(); |
| 3272 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3273 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3274 | errno = 0; |
| 3275 | d = strtod(s, &endptr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3276 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3277 | if (errno || (endptr[0] != '\n') || (endptr[1] != '\0')) { |
| 3278 | PyErr_SetString(PyExc_ValueError, |
| 3279 | "could not convert string to float"); |
| 3280 | goto finally; |
| 3281 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3282 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3283 | if (!( py_float = PyFloat_FromDouble(d))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3284 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3285 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3286 | free(s); |
| 3287 | PDATA_PUSH(self->stack, py_float, -1); |
| 3288 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3289 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3290 | finally: |
| 3291 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3292 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3293 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3294 | } |
| 3295 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3296 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3297 | load_binfloat(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3298 | { |
| 3299 | PyObject *py_float = 0; |
| 3300 | int s, e; |
| 3301 | long fhi, flo; |
| 3302 | double x; |
| 3303 | char *p; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3304 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3305 | if (self->read_func(self, &p, 8) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3306 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3307 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3308 | /* First byte */ |
| 3309 | s = (*p>>7) & 1; |
| 3310 | e = (*p & 0x7F) << 4; |
| 3311 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3312 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3313 | /* Second byte */ |
| 3314 | e |= (*p>>4) & 0xF; |
| 3315 | fhi = (*p & 0xF) << 24; |
| 3316 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3317 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3318 | /* Third byte */ |
| 3319 | fhi |= (*p & 0xFF) << 16; |
| 3320 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3321 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3322 | /* Fourth byte */ |
| 3323 | fhi |= (*p & 0xFF) << 8; |
| 3324 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3325 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3326 | /* Fifth byte */ |
| 3327 | fhi |= *p & 0xFF; |
| 3328 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3329 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3330 | /* Sixth byte */ |
| 3331 | flo = (*p & 0xFF) << 16; |
| 3332 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3333 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3334 | /* Seventh byte */ |
| 3335 | flo |= (*p & 0xFF) << 8; |
| 3336 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3337 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3338 | /* Eighth byte */ |
| 3339 | flo |= *p & 0xFF; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3340 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3341 | x = (double)fhi + (double)flo / 16777216.0; /* 2**24 */ |
| 3342 | x /= 268435456.0; /* 2**28 */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3343 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3344 | /* XXX This sadly ignores Inf/NaN */ |
| 3345 | if (e == 0) |
| 3346 | e = -1022; |
| 3347 | else { |
| 3348 | x += 1.0; |
| 3349 | e -= 1023; |
| 3350 | } |
| 3351 | x = ldexp(x, e); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3352 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3353 | if (s) |
| 3354 | x = -x; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3355 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3356 | if (!( py_float = PyFloat_FromDouble(x))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3357 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3358 | PDATA_PUSH(self->stack, py_float, -1); |
| 3359 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3360 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3361 | |
| 3362 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3363 | load_string(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3364 | { |
| 3365 | PyObject *str = 0; |
Martin v. Löwis | 8a8da79 | 2002-08-14 07:46:28 +0000 | [diff] [blame] | 3366 | int len, res = -1; |
| 3367 | char *s, *p; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3368 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3369 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3370 | if (len < 2) return bad_readline(); |
| 3371 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3372 | |
Martin v. Löwis | 8a8da79 | 2002-08-14 07:46:28 +0000 | [diff] [blame] | 3373 | |
| 3374 | /* Strip outermost quotes */ |
| 3375 | while (s[len-1] <= ' ') |
| 3376 | len--; |
| 3377 | if(s[0]=='"' && s[len-1]=='"'){ |
| 3378 | s[len-1] = '\0'; |
| 3379 | p = s + 1 ; |
| 3380 | len -= 2; |
| 3381 | } else if(s[0]=='\'' && s[len-1]=='\''){ |
| 3382 | s[len-1] = '\0'; |
| 3383 | p = s + 1 ; |
| 3384 | len -= 2; |
| 3385 | } else |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3386 | goto insecure; |
| 3387 | /********************************************/ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 3388 | |
Martin v. Löwis | 8a8da79 | 2002-08-14 07:46:28 +0000 | [diff] [blame] | 3389 | str = PyString_DecodeEscape(p, len, NULL, 0, NULL); |
| 3390 | if (str) { |
| 3391 | PDATA_PUSH(self->stack, str, -1); |
| 3392 | res = 0; |
| 3393 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3394 | free(s); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3395 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3396 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3397 | insecure: |
| 3398 | free(s); |
| 3399 | PyErr_SetString(PyExc_ValueError,"insecure string pickle"); |
| 3400 | return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3401 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3402 | |
| 3403 | |
| 3404 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3405 | load_binstring(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3406 | { |
| 3407 | PyObject *py_string = 0; |
| 3408 | long l; |
| 3409 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3410 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3411 | if (self->read_func(self, &s, 4) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3412 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3413 | l = calc_binint(s, 4); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3414 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3415 | if (self->read_func(self, &s, l) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3416 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3417 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3418 | if (!( py_string = PyString_FromStringAndSize(s, l))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3419 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3420 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3421 | PDATA_PUSH(self->stack, py_string, -1); |
| 3422 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3423 | } |
| 3424 | |
| 3425 | |
| 3426 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3427 | load_short_binstring(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3428 | { |
| 3429 | PyObject *py_string = 0; |
| 3430 | unsigned char l; |
| 3431 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3432 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3433 | if (self->read_func(self, &s, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3434 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3435 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3436 | l = (unsigned char)s[0]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3437 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3438 | if (self->read_func(self, &s, l) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3439 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3440 | if (!( py_string = PyString_FromStringAndSize(s, l))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3441 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3442 | PDATA_PUSH(self->stack, py_string, -1); |
| 3443 | return 0; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3444 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3445 | |
| 3446 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3447 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3448 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3449 | load_unicode(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3450 | { |
| 3451 | PyObject *str = 0; |
| 3452 | int len, res = -1; |
| 3453 | char *s; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3454 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3455 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3456 | if (len < 1) return bad_readline(); |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3457 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3458 | if (!( str = PyUnicode_DecodeRawUnicodeEscape(s, len - 1, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3459 | goto finally; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3460 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3461 | PDATA_PUSH(self->stack, str, -1); |
| 3462 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3463 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3464 | finally: |
| 3465 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3466 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3467 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3468 | |
| 3469 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3470 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3471 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3472 | load_binunicode(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3473 | { |
| 3474 | PyObject *unicode; |
| 3475 | long l; |
| 3476 | char *s; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3477 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3478 | if (self->read_func(self, &s, 4) < 0) return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3479 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3480 | l = calc_binint(s, 4); |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3481 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3482 | if (self->read_func(self, &s, l) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3483 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3484 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3485 | if (!( unicode = PyUnicode_DecodeUTF8(s, l, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3486 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3487 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3488 | PDATA_PUSH(self->stack, unicode, -1); |
| 3489 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3490 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3491 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3492 | |
| 3493 | |
| 3494 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3495 | load_tuple(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3496 | { |
| 3497 | PyObject *tup; |
| 3498 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3499 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3500 | if ((i = marker(self)) < 0) return -1; |
| 3501 | if (!( tup=Pdata_popTuple(self->stack, i))) return -1; |
| 3502 | PDATA_PUSH(self->stack, tup, -1); |
| 3503 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3504 | } |
| 3505 | |
| 3506 | static int |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 3507 | load_counted_tuple(Unpicklerobject *self, int len) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3508 | { |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 3509 | PyObject *tup = PyTuple_New(len); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3510 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 3511 | if (tup == NULL) |
| 3512 | return -1; |
| 3513 | |
| 3514 | while (--len >= 0) { |
| 3515 | PyObject *element; |
| 3516 | |
| 3517 | PDATA_POP(self->stack, element); |
| 3518 | if (element == NULL) |
| 3519 | return -1; |
| 3520 | PyTuple_SET_ITEM(tup, len, element); |
| 3521 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3522 | PDATA_PUSH(self->stack, tup, -1); |
| 3523 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3524 | } |
| 3525 | |
| 3526 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3527 | load_empty_list(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3528 | { |
| 3529 | PyObject *list; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3530 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3531 | if (!( list=PyList_New(0))) return -1; |
| 3532 | PDATA_PUSH(self->stack, list, -1); |
| 3533 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3534 | } |
| 3535 | |
| 3536 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3537 | load_empty_dict(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3538 | { |
| 3539 | PyObject *dict; |
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 | if (!( dict=PyDict_New())) return -1; |
| 3542 | PDATA_PUSH(self->stack, dict, -1); |
| 3543 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3544 | } |
| 3545 | |
| 3546 | |
| 3547 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3548 | load_list(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3549 | { |
| 3550 | PyObject *list = 0; |
| 3551 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3552 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3553 | if ((i = marker(self)) < 0) return -1; |
| 3554 | if (!( list=Pdata_popList(self->stack, i))) return -1; |
| 3555 | PDATA_PUSH(self->stack, list, -1); |
| 3556 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3557 | } |
| 3558 | |
| 3559 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3560 | load_dict(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3561 | { |
| 3562 | PyObject *dict, *key, *value; |
| 3563 | int i, j, k; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3564 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3565 | if ((i = marker(self)) < 0) return -1; |
| 3566 | j=self->stack->length; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3567 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3568 | if (!( dict = PyDict_New())) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3569 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3570 | for (k = i+1; k < j; k += 2) { |
| 3571 | key =self->stack->data[k-1]; |
| 3572 | value=self->stack->data[k ]; |
| 3573 | if (PyDict_SetItem(dict, key, value) < 0) { |
| 3574 | Py_DECREF(dict); |
| 3575 | return -1; |
| 3576 | } |
| 3577 | } |
| 3578 | Pdata_clear(self->stack, i); |
| 3579 | PDATA_PUSH(self->stack, dict, -1); |
| 3580 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3581 | } |
| 3582 | |
| 3583 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3584 | Instance_New(PyObject *cls, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3585 | { |
Tim Peters | 1f1b2d2 | 2003-02-01 02:16:37 +0000 | [diff] [blame] | 3586 | PyObject *r = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3587 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3588 | if (PyClass_Check(cls)) { |
| 3589 | int l; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3590 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3591 | if ((l=PyObject_Size(args)) < 0) goto err; |
| 3592 | if (!( l )) { |
| 3593 | PyObject *__getinitargs__; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3594 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3595 | __getinitargs__ = PyObject_GetAttr(cls, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3596 | __getinitargs___str); |
| 3597 | if (!__getinitargs__) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3598 | /* We have a class with no __getinitargs__, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3599 | so bypass usual construction */ |
| 3600 | PyObject *inst; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3601 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3602 | PyErr_Clear(); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3603 | if (!( inst=PyInstance_NewRaw(cls, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3604 | goto err; |
| 3605 | return inst; |
| 3606 | } |
| 3607 | Py_DECREF(__getinitargs__); |
| 3608 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3609 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3610 | if ((r=PyInstance_New(cls, args, NULL))) return r; |
| 3611 | else goto err; |
| 3612 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3613 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3614 | if (args==Py_None) { |
| 3615 | /* Special case, call cls.__basicnew__() */ |
| 3616 | PyObject *basicnew; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3617 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3618 | basicnew = PyObject_GetAttr(cls, __basicnew___str); |
| 3619 | if (!basicnew) return NULL; |
| 3620 | r=PyObject_CallObject(basicnew, NULL); |
| 3621 | Py_DECREF(basicnew); |
| 3622 | if (r) return r; |
| 3623 | } |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 3624 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3625 | if ((r=PyObject_CallObject(cls, args))) return r; |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 3626 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3627 | err: |
| 3628 | { |
| 3629 | PyObject *tp, *v, *tb; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3630 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3631 | PyErr_Fetch(&tp, &v, &tb); |
| 3632 | if ((r=Py_BuildValue("OOO",v,cls,args))) { |
| 3633 | Py_XDECREF(v); |
| 3634 | v=r; |
| 3635 | } |
| 3636 | PyErr_Restore(tp,v,tb); |
| 3637 | } |
| 3638 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3639 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3640 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3641 | |
| 3642 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3643 | load_obj(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3644 | { |
| 3645 | PyObject *class, *tup, *obj=0; |
| 3646 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3647 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3648 | if ((i = marker(self)) < 0) return -1; |
| 3649 | if (!( tup=Pdata_popTuple(self->stack, i+1))) return -1; |
| 3650 | PDATA_POP(self->stack, class); |
| 3651 | if (class) { |
| 3652 | obj = Instance_New(class, tup); |
| 3653 | Py_DECREF(class); |
| 3654 | } |
| 3655 | Py_DECREF(tup); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3656 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3657 | if (! obj) return -1; |
| 3658 | PDATA_PUSH(self->stack, obj, -1); |
| 3659 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3660 | } |
| 3661 | |
| 3662 | |
| 3663 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3664 | load_inst(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3665 | { |
| 3666 | PyObject *tup, *class=0, *obj=0, *module_name, *class_name; |
| 3667 | int i, len; |
| 3668 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3669 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3670 | if ((i = marker(self)) < 0) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3671 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3672 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3673 | if (len < 2) return bad_readline(); |
| 3674 | module_name = PyString_FromStringAndSize(s, len - 1); |
| 3675 | if (!module_name) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3676 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3677 | if ((len = self->readline_func(self, &s)) >= 0) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3678 | if (len < 2) return bad_readline(); |
| 3679 | if ((class_name = PyString_FromStringAndSize(s, len - 1))) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3680 | class = find_class(module_name, class_name, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3681 | self->find_class); |
| 3682 | Py_DECREF(class_name); |
| 3683 | } |
| 3684 | } |
| 3685 | Py_DECREF(module_name); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3686 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3687 | if (! class) return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3688 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3689 | if ((tup=Pdata_popTuple(self->stack, i))) { |
| 3690 | obj = Instance_New(class, tup); |
| 3691 | Py_DECREF(tup); |
| 3692 | } |
| 3693 | Py_DECREF(class); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3694 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3695 | if (! obj) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3696 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3697 | PDATA_PUSH(self->stack, obj, -1); |
| 3698 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3699 | } |
| 3700 | |
| 3701 | |
| 3702 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3703 | load_global(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3704 | { |
| 3705 | PyObject *class = 0, *module_name = 0, *class_name = 0; |
| 3706 | int len; |
| 3707 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3708 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3709 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3710 | if (len < 2) return bad_readline(); |
| 3711 | module_name = PyString_FromStringAndSize(s, len - 1); |
| 3712 | if (!module_name) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3713 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3714 | if ((len = self->readline_func(self, &s)) >= 0) { |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 3715 | if (len < 2) { |
| 3716 | Py_DECREF(module_name); |
| 3717 | return bad_readline(); |
| 3718 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3719 | if ((class_name = PyString_FromStringAndSize(s, len - 1))) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3720 | class = find_class(module_name, class_name, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3721 | self->find_class); |
| 3722 | Py_DECREF(class_name); |
| 3723 | } |
| 3724 | } |
| 3725 | Py_DECREF(module_name); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3726 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3727 | if (! class) return -1; |
| 3728 | PDATA_PUSH(self->stack, class, -1); |
| 3729 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3730 | } |
| 3731 | |
| 3732 | |
| 3733 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3734 | load_persid(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3735 | { |
| 3736 | PyObject *pid = 0; |
| 3737 | int len; |
| 3738 | char *s; |
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 (self->pers_func) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3741 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3742 | if (len < 2) return bad_readline(); |
| 3743 | |
| 3744 | pid = PyString_FromStringAndSize(s, len - 1); |
| 3745 | if (!pid) return -1; |
| 3746 | |
| 3747 | if (PyList_Check(self->pers_func)) { |
| 3748 | if (PyList_Append(self->pers_func, pid) < 0) { |
| 3749 | Py_DECREF(pid); |
| 3750 | return -1; |
| 3751 | } |
| 3752 | } |
| 3753 | else { |
| 3754 | ARG_TUP(self, pid); |
| 3755 | if (self->arg) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3756 | pid = PyObject_Call(self->pers_func, self->arg, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3757 | NULL); |
| 3758 | FREE_ARG_TUP(self); |
| 3759 | } |
| 3760 | } |
| 3761 | |
| 3762 | if (! pid) return -1; |
| 3763 | |
| 3764 | PDATA_PUSH(self->stack, pid, -1); |
| 3765 | return 0; |
| 3766 | } |
| 3767 | else { |
| 3768 | PyErr_SetString(UnpicklingError, |
| 3769 | "A load persistent id instruction was encountered,\n" |
| 3770 | "but no persistent_load function was specified."); |
| 3771 | return -1; |
| 3772 | } |
| 3773 | } |
| 3774 | |
| 3775 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3776 | load_binpersid(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3777 | { |
| 3778 | PyObject *pid = 0; |
| 3779 | |
| 3780 | if (self->pers_func) { |
| 3781 | PDATA_POP(self->stack, pid); |
| 3782 | if (! pid) return -1; |
| 3783 | |
| 3784 | if (PyList_Check(self->pers_func)) { |
| 3785 | if (PyList_Append(self->pers_func, pid) < 0) { |
| 3786 | Py_DECREF(pid); |
| 3787 | return -1; |
| 3788 | } |
| 3789 | } |
| 3790 | else { |
| 3791 | ARG_TUP(self, pid); |
| 3792 | if (self->arg) { |
| 3793 | pid = PyObject_Call(self->pers_func, self->arg, |
| 3794 | NULL); |
| 3795 | FREE_ARG_TUP(self); |
| 3796 | } |
| 3797 | if (! pid) return -1; |
| 3798 | } |
| 3799 | |
| 3800 | PDATA_PUSH(self->stack, pid, -1); |
| 3801 | return 0; |
| 3802 | } |
| 3803 | else { |
| 3804 | PyErr_SetString(UnpicklingError, |
| 3805 | "A load persistent id instruction was encountered,\n" |
| 3806 | "but no persistent_load function was specified."); |
| 3807 | return -1; |
| 3808 | } |
| 3809 | } |
| 3810 | |
| 3811 | |
| 3812 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3813 | load_pop(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3814 | { |
| 3815 | int len; |
| 3816 | |
| 3817 | if (!( (len=self->stack->length) > 0 )) return stackUnderflow(); |
| 3818 | |
| 3819 | /* Note that we split the (pickle.py) stack into two stacks, |
| 3820 | an object stack and a mark stack. We have to be clever and |
| 3821 | pop the right one. We do this by looking at the top of the |
| 3822 | mark stack. |
| 3823 | */ |
| 3824 | |
| 3825 | if ((self->num_marks > 0) && |
| 3826 | (self->marks[self->num_marks - 1] == len)) |
| 3827 | self->num_marks--; |
| 3828 | else { |
| 3829 | len--; |
| 3830 | Py_DECREF(self->stack->data[len]); |
| 3831 | self->stack->length=len; |
| 3832 | } |
| 3833 | |
| 3834 | return 0; |
| 3835 | } |
| 3836 | |
| 3837 | |
| 3838 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3839 | load_pop_mark(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3840 | { |
| 3841 | int i; |
| 3842 | |
| 3843 | if ((i = marker(self)) < 0) |
| 3844 | return -1; |
| 3845 | |
| 3846 | Pdata_clear(self->stack, i); |
| 3847 | |
| 3848 | return 0; |
| 3849 | } |
| 3850 | |
| 3851 | |
| 3852 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3853 | load_dup(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3854 | { |
| 3855 | PyObject *last; |
| 3856 | int len; |
| 3857 | |
| 3858 | if ((len = self->stack->length) <= 0) return stackUnderflow(); |
| 3859 | last=self->stack->data[len-1]; |
| 3860 | Py_INCREF(last); |
| 3861 | PDATA_PUSH(self->stack, last, -1); |
| 3862 | return 0; |
| 3863 | } |
| 3864 | |
| 3865 | |
| 3866 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3867 | load_get(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3868 | { |
| 3869 | PyObject *py_str = 0, *value = 0; |
| 3870 | int len; |
| 3871 | char *s; |
| 3872 | int rc; |
| 3873 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3874 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 3875 | if (len < 2) return bad_readline(); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3876 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3877 | if (!( py_str = PyString_FromStringAndSize(s, len - 1))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3878 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3879 | value = PyDict_GetItem(self->memo, py_str); |
| 3880 | if (! value) { |
| 3881 | PyErr_SetObject(BadPickleGet, py_str); |
| 3882 | rc = -1; |
| 3883 | } else { |
| 3884 | PDATA_APPEND(self->stack, value, -1); |
| 3885 | rc = 0; |
| 3886 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3887 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3888 | Py_DECREF(py_str); |
| 3889 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3890 | } |
| 3891 | |
| 3892 | |
| 3893 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3894 | load_binget(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3895 | { |
| 3896 | PyObject *py_key = 0, *value = 0; |
| 3897 | unsigned char key; |
| 3898 | char *s; |
| 3899 | int rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3900 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3901 | if (self->read_func(self, &s, 1) < 0) return -1; |
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 | key = (unsigned char)s[0]; |
| 3904 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
Guido van Rossum | ea2b715 | 2000-05-09 18:14:50 +0000 | [diff] [blame] | 3905 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3906 | value = PyDict_GetItem(self->memo, py_key); |
| 3907 | if (! value) { |
| 3908 | PyErr_SetObject(BadPickleGet, py_key); |
| 3909 | rc = -1; |
| 3910 | } else { |
| 3911 | PDATA_APPEND(self->stack, value, -1); |
| 3912 | rc = 0; |
| 3913 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3914 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3915 | Py_DECREF(py_key); |
| 3916 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3917 | } |
| 3918 | |
| 3919 | |
| 3920 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3921 | load_long_binget(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3922 | { |
| 3923 | PyObject *py_key = 0, *value = 0; |
| 3924 | unsigned char c; |
| 3925 | char *s; |
| 3926 | long key; |
| 3927 | int rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3928 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3929 | if (self->read_func(self, &s, 4) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3930 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3931 | c = (unsigned char)s[0]; |
| 3932 | key = (long)c; |
| 3933 | c = (unsigned char)s[1]; |
| 3934 | key |= (long)c << 8; |
| 3935 | c = (unsigned char)s[2]; |
| 3936 | key |= (long)c << 16; |
| 3937 | c = (unsigned char)s[3]; |
| 3938 | key |= (long)c << 24; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3939 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3940 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
| 3941 | |
| 3942 | value = PyDict_GetItem(self->memo, py_key); |
| 3943 | if (! value) { |
| 3944 | PyErr_SetObject(BadPickleGet, py_key); |
| 3945 | rc = -1; |
| 3946 | } else { |
| 3947 | PDATA_APPEND(self->stack, value, -1); |
| 3948 | rc = 0; |
| 3949 | } |
| 3950 | |
| 3951 | Py_DECREF(py_key); |
| 3952 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3953 | } |
| 3954 | |
Tim Peters | 2d62965 | 2003-02-04 05:06:17 +0000 | [diff] [blame] | 3955 | /* Push an object from the extension registry (EXT[124]). nbytes is |
| 3956 | * the number of bytes following the opcode, holding the index (code) value. |
| 3957 | */ |
| 3958 | static int |
| 3959 | load_extension(Unpicklerobject *self, int nbytes) |
| 3960 | { |
| 3961 | char *codebytes; /* the nbytes bytes after the opcode */ |
| 3962 | long code; /* calc_binint returns long */ |
| 3963 | PyObject *py_code; /* code as a Python int */ |
| 3964 | PyObject *obj; /* the object to push */ |
| 3965 | PyObject *pair; /* (module_name, class_name) */ |
| 3966 | PyObject *module_name, *class_name; |
| 3967 | |
| 3968 | assert(nbytes == 1 || nbytes == 2 || nbytes == 4); |
| 3969 | if (self->read_func(self, &codebytes, nbytes) < 0) return -1; |
| 3970 | code = calc_binint(codebytes, nbytes); |
| 3971 | if (code <= 0) { /* note that 0 is forbidden */ |
| 3972 | /* Corrupt or hostile pickle. */ |
| 3973 | PyErr_SetString(UnpicklingError, "EXT specifies code <= 0"); |
| 3974 | return -1; |
| 3975 | } |
| 3976 | |
| 3977 | /* Look for the code in the cache. */ |
| 3978 | py_code = PyInt_FromLong(code); |
| 3979 | if (py_code == NULL) return -1; |
| 3980 | obj = PyDict_GetItem(extension_cache, py_code); |
| 3981 | if (obj != NULL) { |
| 3982 | /* Bingo. */ |
| 3983 | Py_DECREF(py_code); |
| 3984 | PDATA_APPEND(self->stack, obj, -1); |
| 3985 | return 0; |
| 3986 | } |
| 3987 | |
| 3988 | /* Look up the (module_name, class_name) pair. */ |
| 3989 | pair = PyDict_GetItem(inverted_registry, py_code); |
| 3990 | if (pair == NULL) { |
| 3991 | Py_DECREF(py_code); |
| 3992 | PyErr_Format(PyExc_ValueError, "unregistered extension " |
| 3993 | "code %ld", code); |
| 3994 | return -1; |
| 3995 | } |
| 3996 | /* Since the extension registry is manipulable via Python code, |
Tim Peters | fa05ce3 | 2003-02-04 05:20:32 +0000 | [diff] [blame] | 3997 | * confirm that pair is really a 2-tuple of strings. |
Tim Peters | 2d62965 | 2003-02-04 05:06:17 +0000 | [diff] [blame] | 3998 | */ |
| 3999 | if (!PyTuple_Check(pair) || PyTuple_Size(pair) != 2 || |
| 4000 | !PyString_Check(module_name = PyTuple_GET_ITEM(pair, 0)) || |
| 4001 | !PyString_Check(class_name = PyTuple_GET_ITEM(pair, 1))) { |
| 4002 | Py_DECREF(py_code); |
| 4003 | PyErr_Format(PyExc_ValueError, "_inverted_registry[%ld] " |
| 4004 | "isn't a 2-tuple of strings", code); |
| 4005 | return -1; |
| 4006 | } |
| 4007 | /* Load the object. */ |
| 4008 | obj = find_class(module_name, class_name, self->find_class); |
| 4009 | if (obj == NULL) { |
| 4010 | Py_DECREF(py_code); |
| 4011 | return -1; |
| 4012 | } |
| 4013 | /* Cache code -> obj. */ |
| 4014 | code = PyDict_SetItem(extension_cache, py_code, obj); |
| 4015 | Py_DECREF(py_code); |
| 4016 | if (code < 0) { |
| 4017 | Py_DECREF(obj); |
| 4018 | return -1; |
| 4019 | } |
| 4020 | PDATA_PUSH(self->stack, obj, -1); |
| 4021 | return 0; |
| 4022 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4023 | |
| 4024 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4025 | load_put(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4026 | { |
| 4027 | PyObject *py_str = 0, *value = 0; |
| 4028 | int len, l; |
| 4029 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4030 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 4031 | if ((l = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4032 | if (l < 2) return bad_readline(); |
| 4033 | if (!( len=self->stack->length )) return stackUnderflow(); |
| 4034 | if (!( py_str = PyString_FromStringAndSize(s, l - 1))) return -1; |
| 4035 | value=self->stack->data[len-1]; |
| 4036 | l=PyDict_SetItem(self->memo, py_str, value); |
| 4037 | Py_DECREF(py_str); |
| 4038 | return l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4039 | } |
| 4040 | |
| 4041 | |
| 4042 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4043 | load_binput(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4044 | { |
| 4045 | PyObject *py_key = 0, *value = 0; |
| 4046 | unsigned char key; |
| 4047 | char *s; |
| 4048 | int len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4049 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 4050 | if (self->read_func(self, &s, 1) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4051 | if (!( (len=self->stack->length) > 0 )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4052 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4053 | key = (unsigned char)s[0]; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 4054 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4055 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
| 4056 | value=self->stack->data[len-1]; |
| 4057 | len=PyDict_SetItem(self->memo, py_key, value); |
| 4058 | Py_DECREF(py_key); |
| 4059 | return len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4060 | } |
| 4061 | |
| 4062 | |
| 4063 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4064 | load_long_binput(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4065 | { |
| 4066 | PyObject *py_key = 0, *value = 0; |
| 4067 | long key; |
| 4068 | unsigned char c; |
| 4069 | char *s; |
| 4070 | int len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4071 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 4072 | if (self->read_func(self, &s, 4) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4073 | if (!( len=self->stack->length )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4074 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4075 | c = (unsigned char)s[0]; |
| 4076 | key = (long)c; |
| 4077 | c = (unsigned char)s[1]; |
| 4078 | key |= (long)c << 8; |
| 4079 | c = (unsigned char)s[2]; |
| 4080 | key |= (long)c << 16; |
| 4081 | c = (unsigned char)s[3]; |
| 4082 | key |= (long)c << 24; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4083 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4084 | if (!( py_key = PyInt_FromLong(key))) return -1; |
| 4085 | value=self->stack->data[len-1]; |
| 4086 | len=PyDict_SetItem(self->memo, py_key, value); |
| 4087 | Py_DECREF(py_key); |
| 4088 | return len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4089 | } |
| 4090 | |
| 4091 | |
| 4092 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4093 | do_append(Unpicklerobject *self, int x) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4094 | { |
| 4095 | PyObject *value = 0, *list = 0, *append_method = 0; |
| 4096 | int len, i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4097 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4098 | len=self->stack->length; |
| 4099 | if (!( len >= x && x > 0 )) return stackUnderflow(); |
| 4100 | /* nothing to do */ |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4101 | if (len==x) return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4102 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4103 | list=self->stack->data[x-1]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4104 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4105 | if (PyList_Check(list)) { |
| 4106 | PyObject *slice; |
| 4107 | int list_len; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4108 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4109 | slice=Pdata_popList(self->stack, x); |
| 4110 | list_len = PyList_GET_SIZE(list); |
| 4111 | i=PyList_SetSlice(list, list_len, list_len, slice); |
| 4112 | Py_DECREF(slice); |
| 4113 | return i; |
| 4114 | } |
| 4115 | else { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4116 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4117 | if (!( append_method = PyObject_GetAttr(list, append_str))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4118 | return -1; |
| 4119 | |
| 4120 | for (i = x; i < len; i++) { |
| 4121 | PyObject *junk; |
| 4122 | |
| 4123 | value=self->stack->data[i]; |
| 4124 | junk=0; |
| 4125 | ARG_TUP(self, value); |
| 4126 | if (self->arg) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4127 | junk = PyObject_Call(append_method, self->arg, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4128 | NULL); |
| 4129 | FREE_ARG_TUP(self); |
| 4130 | } |
| 4131 | if (! junk) { |
| 4132 | Pdata_clear(self->stack, i+1); |
| 4133 | self->stack->length=x; |
| 4134 | Py_DECREF(append_method); |
| 4135 | return -1; |
| 4136 | } |
| 4137 | Py_DECREF(junk); |
| 4138 | } |
| 4139 | self->stack->length=x; |
| 4140 | Py_DECREF(append_method); |
| 4141 | } |
| 4142 | |
| 4143 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4144 | } |
| 4145 | |
| 4146 | |
| 4147 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4148 | load_append(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4149 | { |
| 4150 | return do_append(self, self->stack->length - 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4151 | } |
| 4152 | |
| 4153 | |
| 4154 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4155 | load_appends(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4156 | { |
| 4157 | return do_append(self, marker(self)); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4158 | } |
| 4159 | |
| 4160 | |
| 4161 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4162 | do_setitems(Unpicklerobject *self, int x) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4163 | { |
| 4164 | PyObject *value = 0, *key = 0, *dict = 0; |
| 4165 | int len, i, r=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4166 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4167 | if (!( (len=self->stack->length) >= x |
| 4168 | && x > 0 )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4169 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4170 | dict=self->stack->data[x-1]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4171 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4172 | for (i = x+1; i < len; i += 2) { |
| 4173 | key =self->stack->data[i-1]; |
| 4174 | value=self->stack->data[i ]; |
| 4175 | if (PyObject_SetItem(dict, key, value) < 0) { |
| 4176 | r=-1; |
| 4177 | break; |
| 4178 | } |
| 4179 | } |
| 4180 | |
| 4181 | Pdata_clear(self->stack, x); |
| 4182 | |
| 4183 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4184 | } |
| 4185 | |
| 4186 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4187 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4188 | load_setitem(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4189 | { |
| 4190 | return do_setitems(self, self->stack->length - 2); |
| 4191 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4192 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4193 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4194 | load_setitems(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4195 | { |
| 4196 | return do_setitems(self, marker(self)); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4197 | } |
| 4198 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4199 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4200 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4201 | load_build(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4202 | { |
| 4203 | PyObject *value = 0, *inst = 0, *instdict = 0, *d_key = 0, *d_value = 0, |
| 4204 | *junk = 0, *__setstate__ = 0; |
| 4205 | int i, r = 0; |
| 4206 | |
| 4207 | if (self->stack->length < 2) return stackUnderflow(); |
| 4208 | PDATA_POP(self->stack, value); |
| 4209 | if (! value) return -1; |
| 4210 | inst=self->stack->data[self->stack->length-1]; |
| 4211 | |
| 4212 | if ((__setstate__ = PyObject_GetAttr(inst, __setstate___str))) { |
| 4213 | ARG_TUP(self, value); |
| 4214 | if (self->arg) { |
| 4215 | junk = PyObject_Call(__setstate__, self->arg, NULL); |
| 4216 | FREE_ARG_TUP(self); |
| 4217 | } |
| 4218 | Py_DECREF(__setstate__); |
| 4219 | if (! junk) return -1; |
| 4220 | Py_DECREF(junk); |
| 4221 | return 0; |
| 4222 | } |
| 4223 | |
| 4224 | PyErr_Clear(); |
| 4225 | if ((instdict = PyObject_GetAttr(inst, __dict___str))) { |
| 4226 | i = 0; |
| 4227 | while (PyDict_Next(value, &i, &d_key, &d_value)) { |
| 4228 | if (PyObject_SetItem(instdict, d_key, d_value) < 0) { |
| 4229 | r=-1; |
| 4230 | break; |
| 4231 | } |
| 4232 | } |
| 4233 | Py_DECREF(instdict); |
| 4234 | } |
| 4235 | else r=-1; |
| 4236 | |
| 4237 | Py_XDECREF(value); |
| 4238 | |
| 4239 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4240 | } |
| 4241 | |
| 4242 | |
| 4243 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4244 | load_mark(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4245 | { |
| 4246 | int s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4247 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4248 | /* Note that we split the (pickle.py) stack into two stacks, an |
| 4249 | object stack and a mark stack. Here we push a mark onto the |
| 4250 | mark stack. |
| 4251 | */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4252 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4253 | if ((self->num_marks + 1) >= self->marks_size) { |
| 4254 | s=self->marks_size+20; |
| 4255 | if (s <= self->num_marks) s=self->num_marks + 1; |
| 4256 | if (self->marks == NULL) |
| 4257 | self->marks=(int *)malloc(s * sizeof(int)); |
| 4258 | else |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4259 | self->marks=(int *)realloc(self->marks, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4260 | s * sizeof(int)); |
| 4261 | if (! self->marks) { |
| 4262 | PyErr_NoMemory(); |
| 4263 | return -1; |
| 4264 | } |
| 4265 | self->marks_size = s; |
| 4266 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4267 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4268 | self->marks[self->num_marks++] = self->stack->length; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4269 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4270 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4271 | } |
| 4272 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4273 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4274 | load_reduce(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4275 | { |
| 4276 | PyObject *callable = 0, *arg_tup = 0, *ob = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4277 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4278 | PDATA_POP(self->stack, arg_tup); |
| 4279 | if (! arg_tup) return -1; |
| 4280 | PDATA_POP(self->stack, callable); |
| 4281 | if (callable) { |
| 4282 | ob = Instance_New(callable, arg_tup); |
| 4283 | Py_DECREF(callable); |
| 4284 | } |
| 4285 | Py_DECREF(arg_tup); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4286 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4287 | if (! ob) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4288 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4289 | PDATA_PUSH(self->stack, ob, -1); |
| 4290 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4291 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4292 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 4293 | /* Just raises an error if we don't know the protocol specified. PROTO |
| 4294 | * is the first opcode for protocols >= 2. |
| 4295 | */ |
| 4296 | static int |
| 4297 | load_proto(Unpicklerobject *self) |
| 4298 | { |
| 4299 | int i; |
| 4300 | char *protobyte; |
| 4301 | |
| 4302 | i = self->read_func(self, &protobyte, 1); |
| 4303 | if (i < 0) |
| 4304 | return -1; |
| 4305 | |
| 4306 | i = calc_binint(protobyte, 1); |
| 4307 | /* No point checking for < 0, since calc_binint returns an unsigned |
| 4308 | * int when chewing on 1 byte. |
| 4309 | */ |
| 4310 | assert(i >= 0); |
| 4311 | if (i <= CURRENT_PROTOCOL_NUMBER) |
| 4312 | return 0; |
| 4313 | |
| 4314 | PyErr_Format(PyExc_ValueError, "unsupported pickle protocol: %d", i); |
| 4315 | return -1; |
| 4316 | } |
| 4317 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4318 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4319 | load(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4320 | { |
| 4321 | PyObject *err = 0, *val = 0; |
| 4322 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4323 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4324 | self->num_marks = 0; |
| 4325 | if (self->stack->length) Pdata_clear(self->stack, 0); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4326 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4327 | while (1) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 4328 | if (self->read_func(self, &s, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4329 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4330 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4331 | switch (s[0]) { |
| 4332 | case NONE: |
| 4333 | if (load_none(self) < 0) |
| 4334 | break; |
| 4335 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4336 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4337 | case BININT: |
| 4338 | if (load_binint(self) < 0) |
| 4339 | break; |
| 4340 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4341 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4342 | case BININT1: |
| 4343 | if (load_binint1(self) < 0) |
| 4344 | break; |
| 4345 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4346 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4347 | case BININT2: |
| 4348 | if (load_binint2(self) < 0) |
| 4349 | break; |
| 4350 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4351 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4352 | case INT: |
| 4353 | if (load_int(self) < 0) |
| 4354 | break; |
| 4355 | continue; |
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 | case LONG: |
| 4358 | if (load_long(self) < 0) |
| 4359 | break; |
| 4360 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4361 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 4362 | case LONG1: |
| 4363 | if (load_counted_long(self, 1) < 0) |
| 4364 | break; |
| 4365 | continue; |
| 4366 | |
| 4367 | case LONG4: |
| 4368 | if (load_counted_long(self, 4) < 0) |
| 4369 | break; |
| 4370 | continue; |
| 4371 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4372 | case FLOAT: |
| 4373 | if (load_float(self) < 0) |
| 4374 | break; |
| 4375 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4376 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4377 | case BINFLOAT: |
| 4378 | if (load_binfloat(self) < 0) |
| 4379 | break; |
| 4380 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4381 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4382 | case BINSTRING: |
| 4383 | if (load_binstring(self) < 0) |
| 4384 | break; |
| 4385 | continue; |
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 | case SHORT_BINSTRING: |
| 4388 | if (load_short_binstring(self) < 0) |
| 4389 | break; |
| 4390 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4391 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4392 | case STRING: |
| 4393 | if (load_string(self) < 0) |
| 4394 | break; |
| 4395 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4396 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4397 | #ifdef Py_USING_UNICODE |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4398 | case UNICODE: |
| 4399 | if (load_unicode(self) < 0) |
| 4400 | break; |
| 4401 | continue; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4402 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4403 | case BINUNICODE: |
| 4404 | if (load_binunicode(self) < 0) |
| 4405 | break; |
| 4406 | continue; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4407 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4408 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4409 | case EMPTY_TUPLE: |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 4410 | if (load_counted_tuple(self, 0) < 0) |
| 4411 | break; |
| 4412 | continue; |
| 4413 | |
| 4414 | case TUPLE1: |
| 4415 | if (load_counted_tuple(self, 1) < 0) |
| 4416 | break; |
| 4417 | continue; |
| 4418 | |
| 4419 | case TUPLE2: |
| 4420 | if (load_counted_tuple(self, 2) < 0) |
| 4421 | break; |
| 4422 | continue; |
| 4423 | |
| 4424 | case TUPLE3: |
| 4425 | if (load_counted_tuple(self, 3) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4426 | break; |
| 4427 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4428 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4429 | case TUPLE: |
| 4430 | if (load_tuple(self) < 0) |
| 4431 | break; |
| 4432 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4433 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4434 | case EMPTY_LIST: |
| 4435 | if (load_empty_list(self) < 0) |
| 4436 | break; |
| 4437 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4438 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4439 | case LIST: |
| 4440 | if (load_list(self) < 0) |
| 4441 | break; |
| 4442 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4443 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4444 | case EMPTY_DICT: |
| 4445 | if (load_empty_dict(self) < 0) |
| 4446 | break; |
| 4447 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4448 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4449 | case DICT: |
| 4450 | if (load_dict(self) < 0) |
| 4451 | break; |
| 4452 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4453 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4454 | case OBJ: |
| 4455 | if (load_obj(self) < 0) |
| 4456 | break; |
| 4457 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4458 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4459 | case INST: |
| 4460 | if (load_inst(self) < 0) |
| 4461 | break; |
| 4462 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4463 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4464 | case GLOBAL: |
| 4465 | if (load_global(self) < 0) |
| 4466 | break; |
| 4467 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4468 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4469 | case APPEND: |
| 4470 | if (load_append(self) < 0) |
| 4471 | break; |
| 4472 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4473 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4474 | case APPENDS: |
| 4475 | if (load_appends(self) < 0) |
| 4476 | break; |
| 4477 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4478 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4479 | case BUILD: |
| 4480 | if (load_build(self) < 0) |
| 4481 | break; |
| 4482 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4483 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4484 | case DUP: |
| 4485 | if (load_dup(self) < 0) |
| 4486 | break; |
| 4487 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4488 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4489 | case BINGET: |
| 4490 | if (load_binget(self) < 0) |
| 4491 | break; |
| 4492 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4493 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4494 | case LONG_BINGET: |
| 4495 | if (load_long_binget(self) < 0) |
| 4496 | break; |
| 4497 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4498 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4499 | case GET: |
| 4500 | if (load_get(self) < 0) |
| 4501 | break; |
| 4502 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4503 | |
Tim Peters | 2d62965 | 2003-02-04 05:06:17 +0000 | [diff] [blame] | 4504 | case EXT1: |
| 4505 | if (load_extension(self, 1) < 0) |
| 4506 | break; |
| 4507 | continue; |
| 4508 | |
| 4509 | case EXT2: |
| 4510 | if (load_extension(self, 2) < 0) |
| 4511 | break; |
| 4512 | continue; |
| 4513 | |
| 4514 | case EXT4: |
| 4515 | if (load_extension(self, 4) < 0) |
| 4516 | break; |
| 4517 | continue; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4518 | case MARK: |
| 4519 | if (load_mark(self) < 0) |
| 4520 | break; |
| 4521 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4522 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4523 | case BINPUT: |
| 4524 | if (load_binput(self) < 0) |
| 4525 | break; |
| 4526 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4527 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4528 | case LONG_BINPUT: |
| 4529 | if (load_long_binput(self) < 0) |
| 4530 | break; |
| 4531 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4532 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4533 | case PUT: |
| 4534 | if (load_put(self) < 0) |
| 4535 | break; |
| 4536 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4537 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4538 | case POP: |
| 4539 | if (load_pop(self) < 0) |
| 4540 | break; |
| 4541 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4542 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4543 | case POP_MARK: |
| 4544 | if (load_pop_mark(self) < 0) |
| 4545 | break; |
| 4546 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4547 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4548 | case SETITEM: |
| 4549 | if (load_setitem(self) < 0) |
| 4550 | break; |
| 4551 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4552 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4553 | case SETITEMS: |
| 4554 | if (load_setitems(self) < 0) |
| 4555 | break; |
| 4556 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4557 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4558 | case STOP: |
| 4559 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4560 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4561 | case PERSID: |
| 4562 | if (load_persid(self) < 0) |
| 4563 | break; |
| 4564 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4565 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4566 | case BINPERSID: |
| 4567 | if (load_binpersid(self) < 0) |
| 4568 | break; |
| 4569 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4570 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4571 | case REDUCE: |
| 4572 | if (load_reduce(self) < 0) |
| 4573 | break; |
| 4574 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4575 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 4576 | case PROTO: |
| 4577 | if (load_proto(self) < 0) |
| 4578 | break; |
| 4579 | continue; |
| 4580 | |
Tim Peters | 3c67d79 | 2003-02-02 17:59:11 +0000 | [diff] [blame] | 4581 | case NEWTRUE: |
| 4582 | if (load_bool(self, Py_True) < 0) |
| 4583 | break; |
| 4584 | continue; |
| 4585 | |
| 4586 | case NEWFALSE: |
| 4587 | if (load_bool(self, Py_False) < 0) |
| 4588 | break; |
| 4589 | continue; |
| 4590 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4591 | case '\0': |
| 4592 | /* end of file */ |
| 4593 | PyErr_SetNone(PyExc_EOFError); |
| 4594 | break; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4595 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4596 | default: |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4597 | cPickle_ErrFormat(UnpicklingError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4598 | "invalid load key, '%s'.", |
| 4599 | "c", s[0]); |
| 4600 | return NULL; |
| 4601 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4602 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4603 | break; |
| 4604 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4605 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4606 | if ((err = PyErr_Occurred())) { |
| 4607 | if (err == PyExc_EOFError) { |
| 4608 | PyErr_SetNone(PyExc_EOFError); |
| 4609 | } |
| 4610 | return NULL; |
| 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 | PDATA_POP(self->stack, val); |
| 4614 | return val; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4615 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4616 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4617 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4618 | /* No-load functions to support noload, which is used to |
| 4619 | find persistent references. */ |
| 4620 | |
| 4621 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4622 | noload_obj(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4623 | { |
| 4624 | int i; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4625 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4626 | if ((i = marker(self)) < 0) return -1; |
| 4627 | return Pdata_clear(self->stack, i+1); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4628 | } |
| 4629 | |
| 4630 | |
| 4631 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4632 | noload_inst(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4633 | { |
| 4634 | int i; |
| 4635 | char *s; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4636 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4637 | if ((i = marker(self)) < 0) return -1; |
| 4638 | Pdata_clear(self->stack, i); |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 4639 | if (self->readline_func(self, &s) < 0) return -1; |
| 4640 | if (self->readline_func(self, &s) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4641 | PDATA_APPEND(self->stack, Py_None,-1); |
| 4642 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4643 | } |
| 4644 | |
| 4645 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4646 | noload_global(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4647 | { |
| 4648 | char *s; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4649 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 4650 | if (self->readline_func(self, &s) < 0) return -1; |
| 4651 | if (self->readline_func(self, &s) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4652 | PDATA_APPEND(self->stack, Py_None,-1); |
| 4653 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4654 | } |
| 4655 | |
| 4656 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4657 | noload_reduce(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4658 | { |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4659 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4660 | if (self->stack->length < 2) return stackUnderflow(); |
| 4661 | Pdata_clear(self->stack, self->stack->length-2); |
| 4662 | PDATA_APPEND(self->stack, Py_None,-1); |
| 4663 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4664 | } |
| 4665 | |
| 4666 | static int |
| 4667 | noload_build(Unpicklerobject *self) { |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4668 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 4669 | if (self->stack->length < 1) return stackUnderflow(); |
| 4670 | Pdata_clear(self->stack, self->stack->length-1); |
Guido van Rossum | 50f385c | 1998-12-04 18:48:44 +0000 | [diff] [blame] | 4671 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4672 | } |
| 4673 | |
Tim Peters | 2d62965 | 2003-02-04 05:06:17 +0000 | [diff] [blame] | 4674 | static int |
| 4675 | noload_extension(Unpicklerobject *self, int nbytes) |
| 4676 | { |
| 4677 | char *codebytes; |
| 4678 | |
| 4679 | assert(nbytes == 1 || nbytes == 2 || nbytes == 4); |
| 4680 | if (self->read_func(self, &codebytes, nbytes) < 0) return -1; |
| 4681 | PDATA_APPEND(self->stack, Py_None, -1); |
| 4682 | return 0; |
| 4683 | } |
| 4684 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4685 | |
| 4686 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4687 | noload(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4688 | { |
| 4689 | PyObject *err = 0, *val = 0; |
| 4690 | char *s; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4691 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4692 | self->num_marks = 0; |
| 4693 | Pdata_clear(self->stack, 0); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4694 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4695 | while (1) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 4696 | if (self->read_func(self, &s, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4697 | break; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4698 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4699 | switch (s[0]) { |
| 4700 | case NONE: |
| 4701 | if (load_none(self) < 0) |
| 4702 | break; |
| 4703 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4704 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4705 | case BININT: |
| 4706 | if (load_binint(self) < 0) |
| 4707 | break; |
| 4708 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4709 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4710 | case BININT1: |
| 4711 | if (load_binint1(self) < 0) |
| 4712 | break; |
| 4713 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4714 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4715 | case BININT2: |
| 4716 | if (load_binint2(self) < 0) |
| 4717 | break; |
| 4718 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4719 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4720 | case INT: |
| 4721 | if (load_int(self) < 0) |
| 4722 | break; |
| 4723 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4724 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4725 | case LONG: |
| 4726 | if (load_long(self) < 0) |
| 4727 | break; |
| 4728 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4729 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 4730 | case LONG1: |
| 4731 | if (load_counted_long(self, 1) < 0) |
| 4732 | break; |
| 4733 | continue; |
| 4734 | |
| 4735 | case LONG4: |
| 4736 | if (load_counted_long(self, 4) < 0) |
| 4737 | break; |
| 4738 | continue; |
| 4739 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4740 | case FLOAT: |
| 4741 | if (load_float(self) < 0) |
| 4742 | break; |
| 4743 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4744 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4745 | case BINFLOAT: |
| 4746 | if (load_binfloat(self) < 0) |
| 4747 | break; |
| 4748 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4749 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4750 | case BINSTRING: |
| 4751 | if (load_binstring(self) < 0) |
| 4752 | break; |
| 4753 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4754 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4755 | case SHORT_BINSTRING: |
| 4756 | if (load_short_binstring(self) < 0) |
| 4757 | break; |
| 4758 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4759 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4760 | case STRING: |
| 4761 | if (load_string(self) < 0) |
| 4762 | break; |
| 4763 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4764 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4765 | #ifdef Py_USING_UNICODE |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4766 | case UNICODE: |
| 4767 | if (load_unicode(self) < 0) |
| 4768 | break; |
| 4769 | continue; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4770 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4771 | case BINUNICODE: |
| 4772 | if (load_binunicode(self) < 0) |
| 4773 | break; |
| 4774 | continue; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4775 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4776 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4777 | case EMPTY_TUPLE: |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 4778 | if (load_counted_tuple(self, 0) < 0) |
| 4779 | break; |
| 4780 | continue; |
| 4781 | |
| 4782 | case TUPLE1: |
| 4783 | if (load_counted_tuple(self, 1) < 0) |
| 4784 | break; |
| 4785 | continue; |
| 4786 | |
| 4787 | case TUPLE2: |
| 4788 | if (load_counted_tuple(self, 2) < 0) |
| 4789 | break; |
| 4790 | continue; |
| 4791 | |
| 4792 | case TUPLE3: |
| 4793 | if (load_counted_tuple(self, 3) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4794 | break; |
| 4795 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4796 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4797 | case TUPLE: |
| 4798 | if (load_tuple(self) < 0) |
| 4799 | break; |
| 4800 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4801 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4802 | case EMPTY_LIST: |
| 4803 | if (load_empty_list(self) < 0) |
| 4804 | break; |
| 4805 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4806 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4807 | case LIST: |
| 4808 | if (load_list(self) < 0) |
| 4809 | break; |
| 4810 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4811 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4812 | case EMPTY_DICT: |
| 4813 | if (load_empty_dict(self) < 0) |
| 4814 | break; |
| 4815 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4816 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4817 | case DICT: |
| 4818 | if (load_dict(self) < 0) |
| 4819 | break; |
| 4820 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4821 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4822 | case OBJ: |
| 4823 | if (noload_obj(self) < 0) |
| 4824 | break; |
| 4825 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4826 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4827 | case INST: |
| 4828 | if (noload_inst(self) < 0) |
| 4829 | break; |
| 4830 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4831 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4832 | case GLOBAL: |
| 4833 | if (noload_global(self) < 0) |
| 4834 | break; |
| 4835 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4836 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4837 | case APPEND: |
| 4838 | if (load_append(self) < 0) |
| 4839 | break; |
| 4840 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4841 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4842 | case APPENDS: |
| 4843 | if (load_appends(self) < 0) |
| 4844 | break; |
| 4845 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4846 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4847 | case BUILD: |
| 4848 | if (noload_build(self) < 0) |
| 4849 | break; |
| 4850 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4851 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4852 | case DUP: |
| 4853 | if (load_dup(self) < 0) |
| 4854 | break; |
| 4855 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4856 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4857 | case BINGET: |
| 4858 | if (load_binget(self) < 0) |
| 4859 | break; |
| 4860 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4861 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4862 | case LONG_BINGET: |
| 4863 | if (load_long_binget(self) < 0) |
| 4864 | break; |
| 4865 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4866 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4867 | case GET: |
| 4868 | if (load_get(self) < 0) |
| 4869 | break; |
| 4870 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4871 | |
Tim Peters | 2d62965 | 2003-02-04 05:06:17 +0000 | [diff] [blame] | 4872 | case EXT1: |
| 4873 | if (noload_extension(self, 1) < 0) |
| 4874 | break; |
| 4875 | continue; |
| 4876 | |
| 4877 | case EXT2: |
| 4878 | if (noload_extension(self, 2) < 0) |
| 4879 | break; |
| 4880 | continue; |
| 4881 | |
| 4882 | case EXT4: |
| 4883 | if (noload_extension(self, 4) < 0) |
| 4884 | break; |
| 4885 | continue; |
| 4886 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4887 | case MARK: |
| 4888 | if (load_mark(self) < 0) |
| 4889 | break; |
| 4890 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4891 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4892 | case BINPUT: |
| 4893 | if (load_binput(self) < 0) |
| 4894 | break; |
| 4895 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4896 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4897 | case LONG_BINPUT: |
| 4898 | if (load_long_binput(self) < 0) |
| 4899 | break; |
| 4900 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4901 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4902 | case PUT: |
| 4903 | if (load_put(self) < 0) |
| 4904 | break; |
| 4905 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4906 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4907 | case POP: |
| 4908 | if (load_pop(self) < 0) |
| 4909 | break; |
| 4910 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4911 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4912 | case POP_MARK: |
| 4913 | if (load_pop_mark(self) < 0) |
| 4914 | break; |
| 4915 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4916 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4917 | case SETITEM: |
| 4918 | if (load_setitem(self) < 0) |
| 4919 | break; |
| 4920 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4921 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4922 | case SETITEMS: |
| 4923 | if (load_setitems(self) < 0) |
| 4924 | break; |
| 4925 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4926 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4927 | case STOP: |
| 4928 | break; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4929 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4930 | case PERSID: |
| 4931 | if (load_persid(self) < 0) |
| 4932 | break; |
| 4933 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4934 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4935 | case BINPERSID: |
| 4936 | if (load_binpersid(self) < 0) |
| 4937 | break; |
| 4938 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4939 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4940 | case REDUCE: |
| 4941 | if (noload_reduce(self) < 0) |
| 4942 | break; |
| 4943 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4944 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 4945 | case PROTO: |
| 4946 | if (load_proto(self) < 0) |
| 4947 | break; |
| 4948 | continue; |
| 4949 | |
Tim Peters | 3c67d79 | 2003-02-02 17:59:11 +0000 | [diff] [blame] | 4950 | case NEWTRUE: |
| 4951 | if (load_bool(self, Py_True) < 0) |
| 4952 | break; |
| 4953 | continue; |
| 4954 | |
| 4955 | case NEWFALSE: |
| 4956 | if (load_bool(self, Py_False) < 0) |
| 4957 | break; |
| 4958 | continue; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4959 | default: |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4960 | cPickle_ErrFormat(UnpicklingError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4961 | "invalid load key, '%s'.", |
| 4962 | "c", s[0]); |
| 4963 | return NULL; |
| 4964 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4965 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4966 | break; |
| 4967 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4968 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4969 | if ((err = PyErr_Occurred())) { |
| 4970 | if (err == PyExc_EOFError) { |
| 4971 | PyErr_SetNone(PyExc_EOFError); |
| 4972 | } |
| 4973 | return NULL; |
| 4974 | } |
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 | PDATA_POP(self->stack, val); |
| 4977 | return val; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4978 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4979 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4980 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4981 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4982 | Unpickler_load(Unpicklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4983 | { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4984 | if (!( PyArg_ParseTuple(args, ":load"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4985 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4986 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4987 | return load(self); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4988 | } |
| 4989 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4990 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4991 | Unpickler_noload(Unpicklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4992 | { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4993 | if (!( PyArg_ParseTuple(args, ":noload"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4994 | return NULL; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4995 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4996 | return noload(self); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4997 | } |
| 4998 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4999 | |
| 5000 | static struct PyMethodDef Unpickler_methods[] = { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 5001 | {"load", (PyCFunction)Unpickler_load, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 5002 | PyDoc_STR("load() -- Load a pickle") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5003 | }, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 5004 | {"noload", (PyCFunction)Unpickler_noload, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 5005 | PyDoc_STR( |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5006 | "noload() -- not load a pickle, but go through most of the motions\n" |
| 5007 | "\n" |
| 5008 | "This function can be used to read past a pickle without instantiating\n" |
| 5009 | "any objects or importing any modules. It can also be used to find all\n" |
| 5010 | "persistent references without instantiating any objects or importing\n" |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 5011 | "any modules.\n") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5012 | }, |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5013 | {NULL, NULL} /* sentinel */ |
| 5014 | }; |
| 5015 | |
| 5016 | |
| 5017 | static Unpicklerobject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5018 | newUnpicklerobject(PyObject *f) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5019 | { |
| 5020 | Unpicklerobject *self; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5021 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5022 | if (!( self = PyObject_New(Unpicklerobject, &Unpicklertype))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5023 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5024 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5025 | self->file = NULL; |
| 5026 | self->arg = NULL; |
| 5027 | self->stack = (Pdata*)Pdata_New(); |
| 5028 | self->pers_func = NULL; |
| 5029 | self->last_string = NULL; |
| 5030 | self->marks = NULL; |
| 5031 | self->num_marks = 0; |
| 5032 | self->marks_size = 0; |
| 5033 | self->buf_size = 0; |
| 5034 | self->read = NULL; |
| 5035 | self->readline = NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5036 | self->find_class = NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5037 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5038 | if (!( self->memo = PyDict_New())) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5039 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5040 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5041 | Py_INCREF(f); |
| 5042 | self->file = f; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5043 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5044 | /* Set read, readline based on type of f */ |
| 5045 | if (PyFile_Check(f)) { |
| 5046 | self->fp = PyFile_AsFile(f); |
| 5047 | if (self->fp == NULL) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5048 | PyErr_SetString(PyExc_ValueError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5049 | "I/O operation on closed file"); |
| 5050 | goto err; |
| 5051 | } |
| 5052 | self->read_func = read_file; |
| 5053 | self->readline_func = readline_file; |
Guido van Rossum | c91fcaa | 1999-03-29 20:00:14 +0000 | [diff] [blame] | 5054 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5055 | else if (PycStringIO_InputCheck(f)) { |
| 5056 | self->fp = NULL; |
| 5057 | self->read_func = read_cStringIO; |
| 5058 | self->readline_func = readline_cStringIO; |
| 5059 | } |
| 5060 | else { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5061 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5062 | self->fp = NULL; |
| 5063 | self->read_func = read_other; |
| 5064 | self->readline_func = readline_other; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5065 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5066 | if (!( (self->readline = PyObject_GetAttr(f, readline_str)) && |
| 5067 | (self->read = PyObject_GetAttr(f, read_str)))) { |
| 5068 | PyErr_Clear(); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5069 | PyErr_SetString( PyExc_TypeError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5070 | "argument must have 'read' and " |
| 5071 | "'readline' attributes" ); |
| 5072 | goto err; |
| 5073 | } |
| 5074 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5075 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5076 | return self; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5077 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5078 | err: |
| 5079 | Py_DECREF((PyObject *)self); |
| 5080 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5081 | } |
| 5082 | |
| 5083 | |
| 5084 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5085 | get_Unpickler(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5086 | { |
| 5087 | PyObject *file; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 5088 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5089 | if (!( PyArg_ParseTuple(args, "O:Unpickler", &file))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5090 | return NULL; |
| 5091 | return (PyObject *)newUnpicklerobject(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5092 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5093 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5094 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5095 | static void |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5096 | Unpickler_dealloc(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5097 | { |
| 5098 | Py_XDECREF(self->readline); |
| 5099 | Py_XDECREF(self->read); |
| 5100 | Py_XDECREF(self->file); |
| 5101 | Py_XDECREF(self->memo); |
| 5102 | Py_XDECREF(self->stack); |
| 5103 | Py_XDECREF(self->pers_func); |
| 5104 | Py_XDECREF(self->arg); |
| 5105 | Py_XDECREF(self->last_string); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5106 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5107 | if (self->marks) { |
| 5108 | free(self->marks); |
| 5109 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5110 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5111 | if (self->buf_size) { |
| 5112 | free(self->buf); |
| 5113 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 5114 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5115 | PyObject_Del(self); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5116 | } |
| 5117 | |
| 5118 | |
| 5119 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5120 | Unpickler_getattr(Unpicklerobject *self, char *name) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5121 | { |
| 5122 | if (!strcmp(name, "persistent_load")) { |
| 5123 | if (!self->pers_func) { |
| 5124 | PyErr_SetString(PyExc_AttributeError, name); |
| 5125 | return NULL; |
| 5126 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5127 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5128 | Py_INCREF(self->pers_func); |
| 5129 | return self->pers_func; |
| 5130 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5131 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5132 | if (!strcmp(name, "find_global")) { |
| 5133 | if (!self->find_class) { |
| 5134 | PyErr_SetString(PyExc_AttributeError, name); |
| 5135 | return NULL; |
| 5136 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 5137 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5138 | Py_INCREF(self->find_class); |
| 5139 | return self->find_class; |
| 5140 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 5141 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5142 | if (!strcmp(name, "memo")) { |
| 5143 | if (!self->memo) { |
| 5144 | PyErr_SetString(PyExc_AttributeError, name); |
| 5145 | return NULL; |
| 5146 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5147 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5148 | Py_INCREF(self->memo); |
| 5149 | return self->memo; |
| 5150 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5151 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5152 | if (!strcmp(name, "UnpicklingError")) { |
| 5153 | Py_INCREF(UnpicklingError); |
| 5154 | return UnpicklingError; |
| 5155 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5156 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5157 | return Py_FindMethod(Unpickler_methods, (PyObject *)self, name); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5158 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5159 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5160 | |
| 5161 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5162 | Unpickler_setattr(Unpicklerobject *self, char *name, PyObject *value) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5163 | { |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 5164 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5165 | if (!strcmp(name, "persistent_load")) { |
| 5166 | Py_XDECREF(self->pers_func); |
| 5167 | self->pers_func = value; |
| 5168 | Py_XINCREF(value); |
| 5169 | return 0; |
| 5170 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 5171 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5172 | if (!strcmp(name, "find_global")) { |
| 5173 | Py_XDECREF(self->find_class); |
| 5174 | self->find_class = value; |
| 5175 | Py_XINCREF(value); |
| 5176 | return 0; |
| 5177 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 5178 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5179 | if (! value) { |
| 5180 | PyErr_SetString(PyExc_TypeError, |
| 5181 | "attribute deletion is not supported"); |
| 5182 | return -1; |
| 5183 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 5184 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5185 | if (strcmp(name, "memo") == 0) { |
| 5186 | if (!PyDict_Check(value)) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5187 | PyErr_SetString(PyExc_TypeError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5188 | "memo must be a dictionary"); |
| 5189 | return -1; |
| 5190 | } |
| 5191 | Py_XDECREF(self->memo); |
| 5192 | self->memo = value; |
| 5193 | Py_INCREF(value); |
| 5194 | return 0; |
| 5195 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 5196 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5197 | PyErr_SetString(PyExc_AttributeError, name); |
| 5198 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5199 | } |
| 5200 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5201 | /* --------------------------------------------------------------------------- |
| 5202 | * Module-level functions. |
| 5203 | */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5204 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5205 | /* dump(obj, file, proto=0). */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5206 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5207 | cpm_dump(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5208 | { |
| 5209 | PyObject *ob, *file, *res = NULL; |
| 5210 | Picklerobject *pickler = 0; |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5211 | int proto = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5212 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5213 | if (!( PyArg_ParseTuple(args, "OO|i", &ob, &file, &proto))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5214 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5215 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5216 | if (!( pickler = newPicklerobject(file, proto))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5217 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5218 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5219 | if (dump(pickler, ob) < 0) |
| 5220 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5221 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5222 | Py_INCREF(Py_None); |
| 5223 | res = Py_None; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5224 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5225 | finally: |
| 5226 | Py_XDECREF(pickler); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5227 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5228 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5229 | } |
| 5230 | |
| 5231 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5232 | /* dumps(obj, proto=0). */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5233 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5234 | cpm_dumps(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5235 | { |
| 5236 | PyObject *ob, *file = 0, *res = NULL; |
| 5237 | Picklerobject *pickler = 0; |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5238 | int proto = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5239 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5240 | if (!( PyArg_ParseTuple(args, "O|i:dumps", &ob, &proto))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5241 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5242 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5243 | if (!( file = PycStringIO->NewOutput(128))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5244 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5245 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5246 | if (!( pickler = newPicklerobject(file, proto))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5247 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5248 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5249 | if (dump(pickler, ob) < 0) |
| 5250 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5251 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5252 | res = PycStringIO->cgetvalue(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5253 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5254 | finally: |
| 5255 | Py_XDECREF(pickler); |
| 5256 | Py_XDECREF(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5257 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5258 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 5259 | } |
| 5260 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5261 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5262 | /* load(fileobj). */ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5263 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5264 | cpm_load(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5265 | { |
| 5266 | Unpicklerobject *unpickler = 0; |
| 5267 | PyObject *ob, *res = NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5268 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5269 | if (!( PyArg_ParseTuple(args, "O:load", &ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5270 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5271 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5272 | if (!( unpickler = newUnpicklerobject(ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5273 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5274 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5275 | res = load(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5276 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5277 | finally: |
| 5278 | Py_XDECREF(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5279 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5280 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5281 | } |
| 5282 | |
| 5283 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5284 | /* loads(string) */ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5285 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5286 | cpm_loads(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5287 | { |
| 5288 | PyObject *ob, *file = 0, *res = NULL; |
| 5289 | Unpicklerobject *unpickler = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5290 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5291 | if (!( PyArg_ParseTuple(args, "S:loads", &ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5292 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5293 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5294 | if (!( file = PycStringIO->NewInput(ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5295 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 5296 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5297 | if (!( unpickler = newUnpicklerobject(file))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5298 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5299 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5300 | res = load(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5301 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5302 | finally: |
| 5303 | Py_XDECREF(file); |
| 5304 | Py_XDECREF(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5305 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5306 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5307 | } |
| 5308 | |
| 5309 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 5310 | PyDoc_STRVAR(Unpicklertype__doc__, |
| 5311 | "Objects that know how to unpickle"); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5312 | |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 5313 | static PyTypeObject Unpicklertype = { |
| 5314 | PyObject_HEAD_INIT(NULL) |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5315 | 0, /*ob_size*/ |
Guido van Rossum | 1464839 | 2001-12-08 18:02:58 +0000 | [diff] [blame] | 5316 | "cPickle.Unpickler", /*tp_name*/ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5317 | sizeof(Unpicklerobject), /*tp_basicsize*/ |
| 5318 | 0, /*tp_itemsize*/ |
| 5319 | /* methods */ |
| 5320 | (destructor)Unpickler_dealloc, /*tp_dealloc*/ |
| 5321 | (printfunc)0, /*tp_print*/ |
| 5322 | (getattrfunc)Unpickler_getattr, /*tp_getattr*/ |
| 5323 | (setattrfunc)Unpickler_setattr, /*tp_setattr*/ |
| 5324 | (cmpfunc)0, /*tp_compare*/ |
| 5325 | (reprfunc)0, /*tp_repr*/ |
| 5326 | 0, /*tp_as_number*/ |
| 5327 | 0, /*tp_as_sequence*/ |
| 5328 | 0, /*tp_as_mapping*/ |
| 5329 | (hashfunc)0, /*tp_hash*/ |
| 5330 | (ternaryfunc)0, /*tp_call*/ |
| 5331 | (reprfunc)0, /*tp_str*/ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5332 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5333 | /* Space for future expansion */ |
| 5334 | 0L,0L,0L,0L, |
| 5335 | Unpicklertype__doc__ /* Documentation string */ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 5336 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5337 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5338 | static struct PyMethodDef cPickle_methods[] = { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 5339 | {"dump", (PyCFunction)cpm_dump, METH_VARARGS, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5340 | PyDoc_STR("dump(object, file, proto=0) -- " |
| 5341 | "Write an object in pickle format to the given file.\n" |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5342 | "\n" |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5343 | "See the Pickler docstring for the meaning of optional argument proto.") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5344 | }, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5345 | |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 5346 | {"dumps", (PyCFunction)cpm_dumps, METH_VARARGS, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5347 | PyDoc_STR("dumps(object, proto=0) -- " |
| 5348 | "Return a string containing an object in pickle format.\n" |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5349 | "\n" |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5350 | "See the Pickler docstring for the meaning of optional argument proto.") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5351 | }, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5352 | |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 5353 | {"load", (PyCFunction)cpm_load, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 5354 | PyDoc_STR("load(file) -- Load a pickle from the given file")}, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5355 | |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 5356 | {"loads", (PyCFunction)cpm_loads, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 5357 | PyDoc_STR("loads(string) -- Load a pickle from the given string")}, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5358 | |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 5359 | {"Pickler", (PyCFunction)get_Pickler, METH_VARARGS, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5360 | PyDoc_STR("Pickler(file, proto=0) -- Create a pickler.\n" |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5361 | "\n" |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5362 | "This takes a file-like object for writing a pickle data stream.\n" |
| 5363 | "The optional proto argument tells the pickler to use the given\n" |
| 5364 | "protocol; supported protocols are 0, 1, 2. The default\n" |
| 5365 | "protocol is 0, to be backwards compatible. (Protocol 0 is the\n" |
| 5366 | "only protocol that can be written to a file opened in text\n" |
| 5367 | "mode and read back successfully. When using a protocol higher\n" |
| 5368 | "than 0, make sure the file is opened in binary mode, both when\n" |
| 5369 | "pickling and unpickling.)\n" |
| 5370 | "\n" |
| 5371 | "Protocol 1 is more efficient than protocol 0; protocol 2 is\n" |
| 5372 | "more efficient than protocol 1.\n" |
| 5373 | "\n" |
| 5374 | "Specifying a negative protocol version selects the highest\n" |
| 5375 | "protocol version supported. The higher the protocol used, the\n" |
| 5376 | "more recent the version of Python needed to read the pickle\n" |
| 5377 | "produced.\n" |
| 5378 | "\n" |
| 5379 | "The file parameter must have a write() method that accepts a single\n" |
| 5380 | "string argument. It can thus be an open file object, a StringIO\n" |
| 5381 | "object, or any other custom object that meets this interface.\n") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5382 | }, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5383 | |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 5384 | {"Unpickler", (PyCFunction)get_Unpickler, METH_VARARGS, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5385 | PyDoc_STR("Unpickler(file) -- Create an unpickler.")}, |
| 5386 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5387 | { NULL, NULL } |
| 5388 | }; |
| 5389 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5390 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5391 | init_stuff(PyObject *module_dict) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5392 | { |
| 5393 | PyObject *copy_reg, *t, *r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5394 | |
Martin v. Löwis | 43c9d8a | 2002-04-01 12:34:33 +0000 | [diff] [blame] | 5395 | #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] | 5396 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5397 | INIT_STR(__class__); |
| 5398 | INIT_STR(__getinitargs__); |
| 5399 | INIT_STR(__dict__); |
| 5400 | INIT_STR(__getstate__); |
| 5401 | INIT_STR(__setstate__); |
| 5402 | INIT_STR(__name__); |
| 5403 | INIT_STR(__main__); |
| 5404 | INIT_STR(__reduce__); |
| 5405 | INIT_STR(write); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5406 | INIT_STR(append); |
| 5407 | INIT_STR(read); |
| 5408 | INIT_STR(readline); |
| 5409 | INIT_STR(copy_reg); |
| 5410 | INIT_STR(dispatch_table); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5411 | INIT_STR(__basicnew__); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5412 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5413 | if (!( copy_reg = PyImport_ImportModule("copy_reg"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5414 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5415 | |
Tim Peters | 1f1b2d2 | 2003-02-01 02:16:37 +0000 | [diff] [blame] | 5416 | /* This is special because we want to use a different |
| 5417 | one in restricted mode. */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5418 | dispatch_table = PyObject_GetAttr(copy_reg, dispatch_table_str); |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5419 | if (!dispatch_table) return -1; |
| 5420 | |
| 5421 | extension_registry = PyObject_GetAttrString(copy_reg, |
Guido van Rossum | d4b920c | 2003-02-04 01:54:49 +0000 | [diff] [blame] | 5422 | "_extension_registry"); |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5423 | if (!extension_registry) return -1; |
| 5424 | |
| 5425 | inverted_registry = PyObject_GetAttrString(copy_reg, |
Guido van Rossum | d4b920c | 2003-02-04 01:54:49 +0000 | [diff] [blame] | 5426 | "_inverted_registry"); |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5427 | if (!inverted_registry) return -1; |
| 5428 | |
| 5429 | extension_cache = PyObject_GetAttrString(copy_reg, |
Guido van Rossum | d4b920c | 2003-02-04 01:54:49 +0000 | [diff] [blame] | 5430 | "_extension_cache"); |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5431 | if (!extension_cache) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5432 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5433 | Py_DECREF(copy_reg); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5434 | |
Tim Peters | 731098b | 2003-02-04 20:56:09 +0000 | [diff] [blame] | 5435 | if (!(empty_tuple = PyTuple_New(0))) |
| 5436 | return -1; |
| 5437 | |
| 5438 | two_tuple = PyTuple_New(2); |
| 5439 | if (two_tuple == NULL) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5440 | return -1; |
Tim Peters | 3e667d5 | 2003-02-04 21:47:44 +0000 | [diff] [blame] | 5441 | /* We use this temp container with no regard to refcounts, or to |
| 5442 | * keeping containees alive. Exempt from GC, because we don't |
| 5443 | * want anything looking at two_tuple() by magic. |
| 5444 | */ |
| 5445 | PyObject_GC_UnTrack(two_tuple); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5446 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5447 | /* Ugh */ |
| 5448 | if (!( t=PyImport_ImportModule("__builtin__"))) return -1; |
| 5449 | if (PyDict_SetItemString(module_dict, "__builtins__", t) < 0) |
| 5450 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5451 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5452 | if (!( t=PyDict_New())) return -1; |
| 5453 | if (!( r=PyRun_String( |
| 5454 | "def __init__(self, *args): self.args=args\n\n" |
| 5455 | "def __str__(self):\n" |
| 5456 | " return self.args and ('%s' % self.args[0]) or '(what)'\n", |
| 5457 | Py_file_input, |
| 5458 | module_dict, t) )) return -1; |
| 5459 | Py_DECREF(r); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5460 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5461 | PickleError = PyErr_NewException("cPickle.PickleError", NULL, t); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5462 | if (!PickleError) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5463 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5464 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5465 | Py_DECREF(t); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5466 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5467 | PicklingError = PyErr_NewException("cPickle.PicklingError", |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5468 | PickleError, NULL); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5469 | if (!PicklingError) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5470 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5471 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5472 | if (!( t=PyDict_New())) return -1; |
| 5473 | if (!( r=PyRun_String( |
| 5474 | "def __init__(self, *args): self.args=args\n\n" |
| 5475 | "def __str__(self):\n" |
| 5476 | " a=self.args\n" |
| 5477 | " a=a and type(a[0]) or '(what)'\n" |
| 5478 | " return 'Cannot pickle %s objects' % a\n" |
| 5479 | , Py_file_input, |
| 5480 | module_dict, t) )) return -1; |
| 5481 | Py_DECREF(r); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 5482 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5483 | if (!( UnpickleableError = PyErr_NewException( |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5484 | "cPickle.UnpickleableError", PicklingError, t))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5485 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5486 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5487 | Py_DECREF(t); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5488 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5489 | if (!( UnpicklingError = PyErr_NewException("cPickle.UnpicklingError", |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5490 | PickleError, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5491 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5492 | |
Martin v. Löwis | 658009a | 2002-09-16 17:26:24 +0000 | [diff] [blame] | 5493 | if (!( BadPickleGet = PyErr_NewException("cPickle.BadPickleGet", |
| 5494 | UnpicklingError, NULL))) |
| 5495 | return -1; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5496 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5497 | if (PyDict_SetItemString(module_dict, "PickleError", |
| 5498 | PickleError) < 0) |
| 5499 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5500 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5501 | if (PyDict_SetItemString(module_dict, "PicklingError", |
| 5502 | PicklingError) < 0) |
| 5503 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5504 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5505 | if (PyDict_SetItemString(module_dict, "UnpicklingError", |
| 5506 | UnpicklingError) < 0) |
| 5507 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5508 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5509 | if (PyDict_SetItemString(module_dict, "UnpickleableError", |
| 5510 | UnpickleableError) < 0) |
| 5511 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5512 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5513 | if (PyDict_SetItemString(module_dict, "BadPickleGet", |
| 5514 | BadPickleGet) < 0) |
| 5515 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5516 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5517 | PycString_IMPORT; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 5518 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5519 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5520 | } |
| 5521 | |
Mark Hammond | fe51c6d | 2002-08-02 02:27:13 +0000 | [diff] [blame] | 5522 | #ifndef PyMODINIT_FUNC /* declarations for DLL import/export */ |
| 5523 | #define PyMODINIT_FUNC void |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 5524 | #endif |
Mark Hammond | fe51c6d | 2002-08-02 02:27:13 +0000 | [diff] [blame] | 5525 | PyMODINIT_FUNC |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5526 | initcPickle(void) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5527 | { |
| 5528 | PyObject *m, *d, *di, *v, *k; |
| 5529 | int i; |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5530 | char *rev = "1.71"; /* XXX when does this change? */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5531 | PyObject *format_version; |
| 5532 | PyObject *compatible_formats; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5533 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5534 | Picklertype.ob_type = &PyType_Type; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5535 | Unpicklertype.ob_type = &PyType_Type; |
| 5536 | PdataType.ob_type = &PyType_Type; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5537 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5538 | /* Initialize some pieces. We need to do this before module creation, |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5539 | * so we're forced to use a temporary dictionary. :( |
| 5540 | */ |
| 5541 | di = PyDict_New(); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5542 | if (!di) return; |
| 5543 | if (init_stuff(di) < 0) return; |
Guido van Rossum | ebba420 | 2000-09-07 14:35:37 +0000 | [diff] [blame] | 5544 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5545 | /* Create the module and add the functions */ |
| 5546 | m = Py_InitModule4("cPickle", cPickle_methods, |
| 5547 | cPickle_module_documentation, |
| 5548 | (PyObject*)NULL,PYTHON_API_VERSION); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5549 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5550 | /* Add some symbolic constants to the module */ |
| 5551 | d = PyModule_GetDict(m); |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5552 | v = PyString_FromString(rev); |
| 5553 | PyDict_SetItemString(d, "__version__", v); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5554 | Py_XDECREF(v); |
Barry Warsaw | 93d29b6 | 1997-01-14 17:45:08 +0000 | [diff] [blame] | 5555 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5556 | /* Copy data from di. Waaa. */ |
| 5557 | for (i=0; PyDict_Next(di, &i, &k, &v); ) { |
| 5558 | if (PyObject_SetItem(d, k, v) < 0) { |
| 5559 | Py_DECREF(di); |
| 5560 | return; |
| 5561 | } |
| 5562 | } |
| 5563 | Py_DECREF(di); |
Guido van Rossum | ebba420 | 2000-09-07 14:35:37 +0000 | [diff] [blame] | 5564 | |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5565 | /* These are purely informational; no code uses them. */ |
| 5566 | /* File format version we write. */ |
| 5567 | format_version = PyString_FromString("2.0"); |
| 5568 | /* Format versions we can read. */ |
| 5569 | compatible_formats = Py_BuildValue("[sssss]", |
| 5570 | "1.0", /* Original protocol 0 */ |
| 5571 | "1.1", /* Protocol 0 + INST */ |
| 5572 | "1.2", /* Original protocol 1 */ |
| 5573 | "1.3", /* Protocol 1 + BINFLOAT */ |
Tim Peters | 0dd23aa | 2003-02-04 00:30:46 +0000 | [diff] [blame] | 5574 | "2.0"); /* Original protocol 2 */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5575 | PyDict_SetItemString(d, "format_version", format_version); |
| 5576 | PyDict_SetItemString(d, "compatible_formats", compatible_formats); |
| 5577 | Py_XDECREF(format_version); |
| 5578 | Py_XDECREF(compatible_formats); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5579 | } |