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 |
| 91 | * batch_{list, dict} pump out before doing APPENDS/SETITEMS. |
| 92 | */ |
| 93 | #define BATCHSIZE 1000 |
| 94 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 95 | static char MARKv = MARK; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 96 | |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 97 | static PyObject *PickleError; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 98 | static PyObject *PicklingError; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 99 | static PyObject *UnpickleableError; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 100 | static PyObject *UnpicklingError; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 101 | static PyObject *BadPickleGet; |
| 102 | |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 103 | /* As the name says, an empty tuple. */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 104 | static PyObject *empty_tuple; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 105 | |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 106 | /* copy_reg.dispatch_table, {type_object: pickling_function} */ |
| 107 | static PyObject *dispatch_table; |
| 108 | |
| 109 | /* For EXT[124] opcodes. */ |
Guido van Rossum | d4b920c | 2003-02-04 01:54:49 +0000 | [diff] [blame] | 110 | /* copy_reg._extension_registry, {(module_name, function_name): code} */ |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 111 | static PyObject *extension_registry; |
Guido van Rossum | d4b920c | 2003-02-04 01:54:49 +0000 | [diff] [blame] | 112 | /* copy_reg._inverted_registry, {code: (module_name, function_name)} */ |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 113 | static PyObject *inverted_registry; |
Guido van Rossum | d4b920c | 2003-02-04 01:54:49 +0000 | [diff] [blame] | 114 | /* copy_reg._extension_cache, {code: object} */ |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 115 | static PyObject *extension_cache; |
| 116 | |
Tim Peters | 731098b | 2003-02-04 20:56:09 +0000 | [diff] [blame] | 117 | /* For looking up name pairs in copy_reg._extension_registry. */ |
| 118 | static PyObject *two_tuple; |
| 119 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 120 | static PyObject *__class___str, *__getinitargs___str, *__dict___str, |
| 121 | *__getstate___str, *__setstate___str, *__name___str, *__reduce___str, |
Tim Peters | 1f1b2d2 | 2003-02-01 02:16:37 +0000 | [diff] [blame] | 122 | *write_str, *append_str, |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 123 | *read_str, *readline_str, *__main___str, *__basicnew___str, |
Tim Peters | 1f1b2d2 | 2003-02-01 02:16:37 +0000 | [diff] [blame] | 124 | *copy_reg_str, *dispatch_table_str; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 125 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 126 | /************************************************************************* |
| 127 | Internal Data type for pickle data. */ |
| 128 | |
| 129 | typedef struct { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 130 | PyObject_HEAD |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 131 | int length; /* number of initial slots in data currently used */ |
| 132 | int size; /* number of slots in data allocated */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 133 | PyObject **data; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 134 | } Pdata; |
| 135 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 136 | static void |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 137 | Pdata_dealloc(Pdata *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 138 | { |
| 139 | int i; |
| 140 | PyObject **p; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 141 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 142 | for (i = self->length, p = self->data; --i >= 0; p++) { |
| 143 | Py_DECREF(*p); |
| 144 | } |
| 145 | if (self->data) |
| 146 | free(self->data); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 147 | PyObject_Del(self); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 148 | } |
| 149 | |
| 150 | static PyTypeObject PdataType = { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 151 | PyObject_HEAD_INIT(NULL) 0, "cPickle.Pdata", sizeof(Pdata), 0, |
| 152 | (destructor)Pdata_dealloc, |
| 153 | 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] | 154 | }; |
| 155 | |
| 156 | #define Pdata_Check(O) ((O)->ob_type == &PdataType) |
| 157 | |
| 158 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 159 | Pdata_New(void) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 160 | { |
| 161 | Pdata *self; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 162 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 163 | if (!(self = PyObject_New(Pdata, &PdataType))) |
| 164 | return NULL; |
| 165 | self->size = 8; |
| 166 | self->length = 0; |
| 167 | self->data = malloc(self->size * sizeof(PyObject*)); |
| 168 | if (self->data) |
| 169 | return (PyObject*)self; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 170 | Py_DECREF(self); |
| 171 | return PyErr_NoMemory(); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 172 | } |
| 173 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 174 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 175 | stackUnderflow(void) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 176 | { |
| 177 | PyErr_SetString(UnpicklingError, "unpickling stack underflow"); |
| 178 | return -1; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 179 | } |
| 180 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 181 | /* Retain only the initial clearto items. If clearto >= the current |
| 182 | * number of items, this is a (non-erroneous) NOP. |
| 183 | */ |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 184 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 185 | Pdata_clear(Pdata *self, int clearto) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 186 | { |
| 187 | int i; |
| 188 | PyObject **p; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 189 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 190 | if (clearto < 0) return stackUnderflow(); |
| 191 | if (clearto >= self->length) return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 192 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 193 | for (i = self->length, p = self->data + clearto; |
| 194 | --i >= clearto; |
| 195 | p++) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 196 | Py_DECREF(*p); |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 197 | } |
| 198 | self->length = clearto; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 199 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 200 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 201 | } |
| 202 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 203 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 204 | Pdata_grow(Pdata *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 205 | { |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 206 | int bigger; |
| 207 | size_t nbytes; |
| 208 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 209 | bigger = self->size << 1; |
Tim Peters | e0a3907 | 2003-02-03 15:45:56 +0000 | [diff] [blame] | 210 | if (bigger <= 0) /* was 0, or new value overflows */ |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 211 | goto nomemory; |
| 212 | if ((int)(size_t)bigger != bigger) |
| 213 | goto nomemory; |
| 214 | nbytes = (size_t)bigger * sizeof(PyObject *); |
| 215 | if (nbytes / sizeof(PyObject *) != (size_t)bigger) |
| 216 | goto nomemory; |
| 217 | self->data = realloc(self->data, nbytes); |
| 218 | if (self->data == NULL) |
| 219 | goto nomemory; |
| 220 | self->size = bigger; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 221 | return 0; |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 222 | |
| 223 | nomemory: |
| 224 | self->size = 0; |
| 225 | PyErr_NoMemory(); |
| 226 | return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 227 | } |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 228 | |
Tim Peters | e0a3907 | 2003-02-03 15:45:56 +0000 | [diff] [blame] | 229 | /* D is a Pdata*. Pop the topmost element and store it into V, which |
| 230 | * must be an lvalue holding PyObject*. On stack underflow, UnpicklingError |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 231 | * is raised and V is set to NULL. D and V may be evaluated several times. |
| 232 | */ |
| 233 | #define PDATA_POP(D, V) { \ |
Tim Peters | e0a3907 | 2003-02-03 15:45:56 +0000 | [diff] [blame] | 234 | if ((D)->length) \ |
| 235 | (V) = (D)->data[--((D)->length)]; \ |
| 236 | else { \ |
| 237 | PyErr_SetString(UnpicklingError, "bad pickle data"); \ |
| 238 | (V) = NULL; \ |
| 239 | } \ |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 240 | } |
| 241 | |
Tim Peters | e0a3907 | 2003-02-03 15:45:56 +0000 | [diff] [blame] | 242 | /* PDATA_PUSH and PDATA_APPEND both push rvalue PyObject* O on to Pdata* |
| 243 | * D. If the Pdata stack can't be grown to hold the new value, both |
| 244 | * raise MemoryError and execute "return ER". The difference is in ownership |
| 245 | * of O after: _PUSH transfers ownership of O from the caller to the stack |
| 246 | * (no incref of O is done, and in case of error O is decrefed), while |
| 247 | * _APPEND pushes a new reference. |
| 248 | */ |
| 249 | |
| 250 | /* Push O on stack D, giving ownership of O to the stack. */ |
| 251 | #define PDATA_PUSH(D, O, ER) { \ |
| 252 | if (((Pdata*)(D))->length == ((Pdata*)(D))->size && \ |
| 253 | Pdata_grow((Pdata*)(D)) < 0) { \ |
| 254 | Py_DECREF(O); \ |
| 255 | return ER; \ |
| 256 | } \ |
| 257 | ((Pdata*)(D))->data[((Pdata*)(D))->length++] = (O); \ |
| 258 | } |
| 259 | |
| 260 | /* Push O on stack D, pushing a new reference. */ |
| 261 | #define PDATA_APPEND(D, O, ER) { \ |
| 262 | if (((Pdata*)(D))->length == ((Pdata*)(D))->size && \ |
| 263 | Pdata_grow((Pdata*)(D)) < 0) \ |
| 264 | return ER; \ |
| 265 | Py_INCREF(O); \ |
| 266 | ((Pdata*)(D))->data[((Pdata*)(D))->length++] = (O); \ |
| 267 | } |
| 268 | |
| 269 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 270 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 271 | Pdata_popTuple(Pdata *self, int start) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 272 | { |
| 273 | PyObject *r; |
| 274 | int i, j, l; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 275 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 276 | l = self->length-start; |
| 277 | r = PyTuple_New(l); |
| 278 | if (r == NULL) |
| 279 | return NULL; |
| 280 | for (i = start, j = 0 ; j < l; i++, j++) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 281 | PyTuple_SET_ITEM(r, j, self->data[i]); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 282 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 283 | self->length = start; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 284 | return r; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 285 | } |
| 286 | |
| 287 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 288 | Pdata_popList(Pdata *self, int start) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 289 | { |
| 290 | PyObject *r; |
| 291 | int i, j, l; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 292 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 293 | l=self->length-start; |
| 294 | if (!( r=PyList_New(l))) return NULL; |
| 295 | for (i=start, j=0 ; j < l; i++, j++) |
| 296 | PyList_SET_ITEM(r, j, self->data[i]); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 297 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 298 | self->length=start; |
| 299 | return r; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 300 | } |
| 301 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 302 | /*************************************************************************/ |
| 303 | |
| 304 | #define ARG_TUP(self, o) { \ |
| 305 | if (self->arg || (self->arg=PyTuple_New(1))) { \ |
| 306 | Py_XDECREF(PyTuple_GET_ITEM(self->arg,0)); \ |
| 307 | PyTuple_SET_ITEM(self->arg,0,o); \ |
| 308 | } \ |
| 309 | else { \ |
| 310 | Py_DECREF(o); \ |
| 311 | } \ |
| 312 | } |
| 313 | |
| 314 | #define FREE_ARG_TUP(self) { \ |
| 315 | if (self->arg->ob_refcnt > 1) { \ |
| 316 | Py_DECREF(self->arg); \ |
| 317 | self->arg=NULL; \ |
| 318 | } \ |
| 319 | } |
| 320 | |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 321 | typedef struct Picklerobject { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 322 | PyObject_HEAD |
| 323 | FILE *fp; |
| 324 | PyObject *write; |
| 325 | PyObject *file; |
| 326 | PyObject *memo; |
| 327 | PyObject *arg; |
| 328 | PyObject *pers_func; |
| 329 | PyObject *inst_pers_func; |
Tim Peters | 797ec24 | 2003-02-01 06:22:36 +0000 | [diff] [blame] | 330 | |
| 331 | /* pickle protocol number, >= 0 */ |
| 332 | int proto; |
| 333 | |
| 334 | /* bool, true if proto > 0 */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 335 | int bin; |
Tim Peters | 797ec24 | 2003-02-01 06:22:36 +0000 | [diff] [blame] | 336 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 337 | 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] | 338 | int nesting; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 339 | int (*write_func)(struct Picklerobject *, char *, int); |
| 340 | char *write_buf; |
| 341 | int buf_size; |
| 342 | PyObject *dispatch_table; |
| 343 | int fast_container; /* count nested container dumps */ |
| 344 | PyObject *fast_memo; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 345 | } Picklerobject; |
| 346 | |
Barry Warsaw | 52acb49 | 2001-12-21 20:04:22 +0000 | [diff] [blame] | 347 | #ifndef PY_CPICKLE_FAST_LIMIT |
| 348 | #define PY_CPICKLE_FAST_LIMIT 50 |
| 349 | #endif |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 350 | |
Jeremy Hylton | 938ace6 | 2002-07-17 16:30:39 +0000 | [diff] [blame] | 351 | static PyTypeObject Picklertype; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 352 | |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 353 | typedef struct Unpicklerobject { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 354 | PyObject_HEAD |
| 355 | FILE *fp; |
| 356 | PyObject *file; |
| 357 | PyObject *readline; |
| 358 | PyObject *read; |
| 359 | PyObject *memo; |
| 360 | PyObject *arg; |
| 361 | Pdata *stack; |
| 362 | PyObject *mark; |
| 363 | PyObject *pers_func; |
| 364 | PyObject *last_string; |
| 365 | int *marks; |
| 366 | int num_marks; |
| 367 | int marks_size; |
| 368 | int (*read_func)(struct Unpicklerobject *, char **, int); |
| 369 | int (*readline_func)(struct Unpicklerobject *, char **); |
| 370 | int buf_size; |
| 371 | char *buf; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 372 | PyObject *find_class; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 373 | } Unpicklerobject; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 374 | |
Jeremy Hylton | 938ace6 | 2002-07-17 16:30:39 +0000 | [diff] [blame] | 375 | static PyTypeObject Unpicklertype; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 376 | |
Thomas Wouters | 4789b3a | 2000-07-24 11:36:47 +0000 | [diff] [blame] | 377 | /* Forward decls that need the above structs */ |
| 378 | static int save(Picklerobject *, PyObject *, int); |
| 379 | static int put2(Picklerobject *, PyObject *); |
| 380 | |
Guido van Rossum | d385d59 | 1997-04-09 17:47:47 +0000 | [diff] [blame] | 381 | static |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 382 | PyObject * |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 383 | cPickle_ErrFormat(PyObject *ErrType, char *stringformat, char *format, ...) |
| 384 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 385 | va_list va; |
| 386 | PyObject *args=0, *retval=0; |
| 387 | va_start(va, format); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 388 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 389 | if (format) args = Py_VaBuildValue(format, va); |
| 390 | va_end(va); |
| 391 | if (format && ! args) return NULL; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 392 | if (stringformat && !(retval=PyString_FromString(stringformat))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 393 | return NULL; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 394 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 395 | if (retval) { |
| 396 | if (args) { |
| 397 | PyObject *v; |
| 398 | v=PyString_Format(retval, args); |
| 399 | Py_DECREF(retval); |
| 400 | Py_DECREF(args); |
| 401 | if (! v) return NULL; |
| 402 | retval=v; |
| 403 | } |
| 404 | } |
| 405 | else |
| 406 | if (args) retval=args; |
| 407 | else { |
| 408 | PyErr_SetObject(ErrType,Py_None); |
| 409 | return NULL; |
| 410 | } |
| 411 | PyErr_SetObject(ErrType,retval); |
| 412 | Py_DECREF(retval); |
| 413 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 414 | } |
| 415 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 416 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 417 | write_file(Picklerobject *self, char *s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 418 | { |
| 419 | size_t nbyteswritten; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 420 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 421 | if (s == NULL) { |
| 422 | return 0; |
| 423 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 424 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 425 | Py_BEGIN_ALLOW_THREADS |
Jeremy Hylton | 7fa4bfa | 2002-07-18 20:58:57 +0000 | [diff] [blame] | 426 | nbyteswritten = fwrite(s, sizeof(char), n, self->fp); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 427 | Py_END_ALLOW_THREADS |
Jeremy Hylton | 7fa4bfa | 2002-07-18 20:58:57 +0000 | [diff] [blame] | 428 | if (nbyteswritten != (size_t)n) { |
| 429 | PyErr_SetFromErrno(PyExc_IOError); |
| 430 | return -1; |
| 431 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 432 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 433 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 434 | } |
| 435 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 436 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 437 | write_cStringIO(Picklerobject *self, char *s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 438 | { |
| 439 | if (s == NULL) { |
| 440 | return 0; |
| 441 | } |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 442 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 443 | if (PycStringIO->cwrite((PyObject *)self->file, s, n) != n) { |
| 444 | return -1; |
| 445 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 446 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 447 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 448 | } |
| 449 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 450 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 451 | write_none(Picklerobject *self, char *s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 452 | { |
| 453 | if (s == NULL) return 0; |
| 454 | return n; |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 455 | } |
| 456 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 457 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 458 | write_other(Picklerobject *self, char *s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 459 | { |
| 460 | PyObject *py_str = 0, *junk = 0; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 461 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 462 | if (s == NULL) { |
| 463 | if (!( self->buf_size )) return 0; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 464 | py_str = PyString_FromStringAndSize(self->write_buf, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 465 | self->buf_size); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 466 | if (!py_str) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 467 | return -1; |
| 468 | } |
| 469 | else { |
| 470 | if (self->buf_size && (n + self->buf_size) > WRITE_BUF_SIZE) { |
| 471 | if (write_other(self, NULL, 0) < 0) |
| 472 | return -1; |
| 473 | } |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 474 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 475 | if (n > WRITE_BUF_SIZE) { |
| 476 | if (!( py_str = |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 477 | PyString_FromStringAndSize(s, n))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 478 | return -1; |
| 479 | } |
| 480 | else { |
| 481 | memcpy(self->write_buf + self->buf_size, s, n); |
| 482 | self->buf_size += n; |
| 483 | return n; |
| 484 | } |
| 485 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 486 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 487 | if (self->write) { |
| 488 | /* object with write method */ |
| 489 | ARG_TUP(self, py_str); |
| 490 | if (self->arg) { |
| 491 | junk = PyObject_Call(self->write, self->arg, NULL); |
| 492 | FREE_ARG_TUP(self); |
| 493 | } |
| 494 | if (junk) Py_DECREF(junk); |
| 495 | else return -1; |
| 496 | } |
| 497 | else |
| 498 | PDATA_PUSH(self->file, py_str, -1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 499 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 500 | self->buf_size = 0; |
| 501 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 502 | } |
| 503 | |
| 504 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 505 | static int |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 506 | read_file(Unpicklerobject *self, char **s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 507 | { |
| 508 | size_t nbytesread; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 509 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 510 | if (self->buf_size == 0) { |
| 511 | int size; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 512 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 513 | size = ((n < 32) ? 32 : n); |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 514 | if (!( self->buf = (char *)malloc(size))) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 515 | PyErr_NoMemory(); |
| 516 | return -1; |
| 517 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 518 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 519 | self->buf_size = size; |
| 520 | } |
| 521 | else if (n > self->buf_size) { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 522 | self->buf = (char *)realloc(self->buf, n); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 523 | if (!self->buf) { |
| 524 | PyErr_NoMemory(); |
| 525 | return -1; |
| 526 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 527 | self->buf_size = n; |
| 528 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 529 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 530 | Py_BEGIN_ALLOW_THREADS |
| 531 | nbytesread = fread(self->buf, sizeof(char), n, self->fp); |
| 532 | Py_END_ALLOW_THREADS |
| 533 | if (nbytesread != (size_t)n) { |
| 534 | if (feof(self->fp)) { |
| 535 | PyErr_SetNone(PyExc_EOFError); |
| 536 | return -1; |
| 537 | } |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 538 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 539 | PyErr_SetFromErrno(PyExc_IOError); |
| 540 | return -1; |
| 541 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 542 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 543 | *s = self->buf; |
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 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 546 | } |
| 547 | |
| 548 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 549 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 550 | readline_file(Unpicklerobject *self, char **s) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 551 | { |
| 552 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 553 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 554 | if (self->buf_size == 0) { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 555 | if (!( self->buf = (char *)malloc(40))) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 556 | PyErr_NoMemory(); |
| 557 | return -1; |
| 558 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 559 | self->buf_size = 40; |
| 560 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 561 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 562 | i = 0; |
| 563 | while (1) { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 564 | int bigger; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 565 | for (; i < (self->buf_size - 1); i++) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 566 | if (feof(self->fp) || |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 567 | (self->buf[i] = getc(self->fp)) == '\n') { |
| 568 | self->buf[i + 1] = '\0'; |
| 569 | *s = self->buf; |
| 570 | return i + 1; |
| 571 | } |
| 572 | } |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 573 | bigger = self->buf_size << 1; |
| 574 | if (bigger <= 0) { /* overflow */ |
| 575 | PyErr_NoMemory(); |
| 576 | return -1; |
| 577 | } |
| 578 | self->buf = (char *)realloc(self->buf, bigger); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 579 | if (!self->buf) { |
| 580 | PyErr_NoMemory(); |
| 581 | return -1; |
| 582 | } |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 583 | self->buf_size = bigger; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 584 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 585 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 586 | |
| 587 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 588 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 589 | read_cStringIO(Unpicklerobject *self, char **s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 590 | { |
| 591 | char *ptr; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 592 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 593 | if (PycStringIO->cread((PyObject *)self->file, &ptr, n) != n) { |
| 594 | PyErr_SetNone(PyExc_EOFError); |
| 595 | return -1; |
| 596 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 597 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 598 | *s = ptr; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 599 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 600 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 601 | } |
| 602 | |
| 603 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 604 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 605 | readline_cStringIO(Unpicklerobject *self, char **s) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 606 | { |
| 607 | int n; |
| 608 | char *ptr; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 609 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 610 | if ((n = PycStringIO->creadline((PyObject *)self->file, &ptr)) < 0) { |
| 611 | return -1; |
| 612 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 613 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 614 | *s = ptr; |
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 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 617 | } |
| 618 | |
| 619 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 620 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 621 | read_other(Unpicklerobject *self, char **s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 622 | { |
| 623 | PyObject *bytes, *str=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 624 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 625 | if (!( bytes = PyInt_FromLong(n))) return -1; |
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 | ARG_TUP(self, bytes); |
| 628 | if (self->arg) { |
| 629 | str = PyObject_Call(self->read, self->arg, NULL); |
| 630 | FREE_ARG_TUP(self); |
| 631 | } |
| 632 | if (! str) return -1; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 633 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 634 | Py_XDECREF(self->last_string); |
| 635 | self->last_string = str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 636 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 637 | if (! (*s = PyString_AsString(str))) return -1; |
| 638 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 639 | } |
| 640 | |
| 641 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 642 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 643 | readline_other(Unpicklerobject *self, char **s) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 644 | { |
| 645 | PyObject *str; |
| 646 | int str_size; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 647 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 648 | if (!( str = PyObject_CallObject(self->readline, empty_tuple))) { |
| 649 | return -1; |
| 650 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 651 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 652 | if ((str_size = PyString_Size(str)) < 0) |
| 653 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 654 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 655 | Py_XDECREF(self->last_string); |
| 656 | self->last_string = str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 657 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 658 | if (! (*s = PyString_AsString(str))) |
| 659 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 660 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 661 | return str_size; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 662 | } |
| 663 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 664 | /* Copy the first n bytes from s into newly malloc'ed memory, plus a |
| 665 | * trailing 0 byte. Return a pointer to that, or NULL if out of memory. |
| 666 | * The caller is responsible for free()'ing the return value. |
| 667 | */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 668 | static char * |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 669 | pystrndup(char *s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 670 | { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 671 | char *r = (char *)malloc(n+1); |
| 672 | if (r == NULL) |
| 673 | return (char*)PyErr_NoMemory(); |
| 674 | memcpy(r, s, n); |
| 675 | r[n] = 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 676 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 677 | } |
| 678 | |
| 679 | |
| 680 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 681 | get(Picklerobject *self, PyObject *id) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 682 | { |
| 683 | PyObject *value, *mv; |
| 684 | long c_value; |
| 685 | char s[30]; |
| 686 | size_t len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 687 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 688 | if (!( mv = PyDict_GetItem(self->memo, id))) { |
| 689 | PyErr_SetObject(PyExc_KeyError, id); |
| 690 | return -1; |
| 691 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 692 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 693 | if (!( value = PyTuple_GetItem(mv, 0))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 694 | return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 695 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 696 | if (!( PyInt_Check(value))) { |
| 697 | PyErr_SetString(PicklingError, "no int where int expected in memo"); |
| 698 | return -1; |
| 699 | } |
| 700 | c_value = PyInt_AS_LONG((PyIntObject*)value); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 701 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 702 | if (!self->bin) { |
| 703 | s[0] = GET; |
| 704 | PyOS_snprintf(s + 1, sizeof(s) - 1, "%ld\n", c_value); |
| 705 | len = strlen(s); |
| 706 | } |
| 707 | else if (Pdata_Check(self->file)) { |
| 708 | if (write_other(self, NULL, 0) < 0) return -1; |
| 709 | PDATA_APPEND(self->file, mv, -1); |
| 710 | return 0; |
| 711 | } |
| 712 | else { |
| 713 | if (c_value < 256) { |
| 714 | s[0] = BINGET; |
| 715 | s[1] = (int)(c_value & 0xff); |
| 716 | len = 2; |
| 717 | } |
| 718 | else { |
| 719 | s[0] = LONG_BINGET; |
| 720 | s[1] = (int)(c_value & 0xff); |
| 721 | s[2] = (int)((c_value >> 8) & 0xff); |
| 722 | s[3] = (int)((c_value >> 16) & 0xff); |
| 723 | s[4] = (int)((c_value >> 24) & 0xff); |
| 724 | len = 5; |
| 725 | } |
| 726 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 727 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 728 | if (self->write_func(self, s, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 729 | return -1; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 730 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 731 | return 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 732 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 733 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 734 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 735 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 736 | put(Picklerobject *self, PyObject *ob) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 737 | { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 738 | if (ob->ob_refcnt < 2 || self->fast) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 739 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 740 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 741 | return put2(self, ob); |
| 742 | } |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 743 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 744 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 745 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 746 | put2(Picklerobject *self, PyObject *ob) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 747 | { |
| 748 | char c_str[30]; |
| 749 | int p; |
| 750 | size_t len; |
| 751 | int res = -1; |
| 752 | PyObject *py_ob_id = 0, *memo_len = 0, *t = 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 753 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 754 | if (self->fast) |
| 755 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 756 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 757 | if ((p = PyDict_Size(self->memo)) < 0) |
| 758 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 759 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 760 | /* Make sure memo keys are positive! */ |
Tim Peters | 70b02d7 | 2003-02-02 17:26:40 +0000 | [diff] [blame] | 761 | /* XXX Why? |
| 762 | * XXX And does "positive" really mean non-negative? |
| 763 | * XXX pickle.py starts with PUT index 0, not 1. This makes for |
| 764 | * XXX gratuitous differences between the pickling modules. |
| 765 | */ |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 766 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 767 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 768 | if (!( py_ob_id = PyLong_FromVoidPtr(ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 769 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 770 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 771 | if (!( memo_len = PyInt_FromLong(p))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 772 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 773 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 774 | if (!( t = PyTuple_New(2))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 775 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 776 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 777 | PyTuple_SET_ITEM(t, 0, memo_len); |
| 778 | Py_INCREF(memo_len); |
| 779 | PyTuple_SET_ITEM(t, 1, ob); |
| 780 | Py_INCREF(ob); |
| 781 | |
| 782 | if (PyDict_SetItem(self->memo, py_ob_id, t) < 0) |
| 783 | goto finally; |
| 784 | |
| 785 | if (!self->bin) { |
| 786 | c_str[0] = PUT; |
| 787 | PyOS_snprintf(c_str + 1, sizeof(c_str) - 1, "%d\n", p); |
| 788 | len = strlen(c_str); |
| 789 | } |
| 790 | else if (Pdata_Check(self->file)) { |
| 791 | if (write_other(self, NULL, 0) < 0) return -1; |
| 792 | PDATA_APPEND(self->file, memo_len, -1); |
| 793 | res=0; /* Job well done ;) */ |
| 794 | goto finally; |
| 795 | } |
| 796 | else { |
| 797 | if (p >= 256) { |
| 798 | c_str[0] = LONG_BINPUT; |
| 799 | c_str[1] = (int)(p & 0xff); |
| 800 | c_str[2] = (int)((p >> 8) & 0xff); |
| 801 | c_str[3] = (int)((p >> 16) & 0xff); |
| 802 | c_str[4] = (int)((p >> 24) & 0xff); |
| 803 | len = 5; |
| 804 | } |
| 805 | else { |
| 806 | c_str[0] = BINPUT; |
| 807 | c_str[1] = p; |
| 808 | len = 2; |
| 809 | } |
| 810 | } |
| 811 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 812 | if (self->write_func(self, c_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 813 | goto finally; |
| 814 | |
| 815 | res = 0; |
| 816 | |
| 817 | finally: |
| 818 | Py_XDECREF(py_ob_id); |
| 819 | Py_XDECREF(memo_len); |
| 820 | Py_XDECREF(t); |
| 821 | |
| 822 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 823 | } |
| 824 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 825 | #define PyImport_Import cPickle_Import |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 826 | |
| 827 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 828 | PyImport_Import(PyObject *module_name) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 829 | { |
| 830 | static PyObject *silly_list=0, *__builtins___str=0, *__import___str; |
| 831 | static PyObject *standard_builtins=0; |
| 832 | PyObject *globals=0, *__import__=0, *__builtins__=0, *r=0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 833 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 834 | if (!( silly_list )) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 835 | if (!( __import___str=PyString_FromString("__import__"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 836 | return NULL; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 837 | if (!( __builtins___str=PyString_FromString("__builtins__"))) |
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 (!( silly_list=Py_BuildValue("[s]","__doc__"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 840 | return NULL; |
| 841 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 842 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 843 | if ((globals=PyEval_GetGlobals())) { |
| 844 | Py_INCREF(globals); |
| 845 | __builtins__=PyObject_GetItem(globals,__builtins___str); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 846 | if (!__builtins__) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 847 | goto err; |
| 848 | } |
| 849 | else { |
| 850 | PyErr_Clear(); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 851 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 852 | if (!(standard_builtins || |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 853 | (standard_builtins=PyImport_ImportModule("__builtin__")))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 854 | return NULL; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 855 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 856 | __builtins__=standard_builtins; |
| 857 | Py_INCREF(__builtins__); |
| 858 | globals = Py_BuildValue("{sO}", "__builtins__", __builtins__); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 859 | if (!globals) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 860 | goto err; |
| 861 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 862 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 863 | if (PyDict_Check(__builtins__)) { |
| 864 | __import__=PyObject_GetItem(__builtins__,__import___str); |
| 865 | if (!__import__) goto err; |
| 866 | } |
| 867 | else { |
| 868 | __import__=PyObject_GetAttr(__builtins__,__import___str); |
| 869 | if (!__import__) goto err; |
| 870 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 871 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 872 | r=PyObject_CallFunction(__import__,"OOOO", |
| 873 | module_name, globals, globals, silly_list); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 874 | if (!r) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 875 | goto err; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 876 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 877 | Py_DECREF(globals); |
| 878 | Py_DECREF(__builtins__); |
| 879 | Py_DECREF(__import__); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 880 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 881 | return r; |
| 882 | err: |
| 883 | Py_XDECREF(globals); |
| 884 | Py_XDECREF(__builtins__); |
| 885 | Py_XDECREF(__import__); |
| 886 | return NULL; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 887 | } |
| 888 | |
| 889 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 890 | whichmodule(PyObject *global, PyObject *global_name) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 891 | { |
| 892 | int i, j; |
| 893 | PyObject *module = 0, *modules_dict = 0, |
| 894 | *global_name_attr = 0, *name = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 895 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 896 | module = PyObject_GetAttrString(global, "__module__"); |
| 897 | if (module) return module; |
| 898 | PyErr_Clear(); |
Guido van Rossum | 4518823 | 1997-09-28 05:38:51 +0000 | [diff] [blame] | 899 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 900 | if (!( modules_dict = PySys_GetObject("modules"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 901 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 902 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 903 | i = 0; |
| 904 | while ((j = PyDict_Next(modules_dict, &i, &name, &module))) { |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 905 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 906 | if (PyObject_Compare(name, __main___str)==0) continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 907 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 908 | global_name_attr = PyObject_GetAttr(module, global_name); |
| 909 | if (!global_name_attr) { |
| 910 | PyErr_Clear(); |
| 911 | continue; |
| 912 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 913 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 914 | if (global_name_attr != global) { |
| 915 | Py_DECREF(global_name_attr); |
| 916 | continue; |
| 917 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 918 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 919 | Py_DECREF(global_name_attr); |
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 | break; |
| 922 | } |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 923 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 924 | /* The following implements the rule in pickle.py added in 1.5 |
| 925 | that used __main__ if no module is found. I don't actually |
| 926 | like this rule. jlf |
| 927 | */ |
| 928 | if (!j) { |
| 929 | j=1; |
| 930 | name=__main___str; |
| 931 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 932 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 933 | Py_INCREF(name); |
| 934 | return name; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 935 | } |
| 936 | |
| 937 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 938 | static int |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 939 | fast_save_enter(Picklerobject *self, PyObject *obj) |
| 940 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 941 | /* if fast_container < 0, we're doing an error exit. */ |
| 942 | if (++self->fast_container >= PY_CPICKLE_FAST_LIMIT) { |
| 943 | PyObject *key = NULL; |
| 944 | if (self->fast_memo == NULL) { |
| 945 | self->fast_memo = PyDict_New(); |
| 946 | if (self->fast_memo == NULL) { |
| 947 | self->fast_container = -1; |
| 948 | return 0; |
| 949 | } |
| 950 | } |
| 951 | key = PyLong_FromVoidPtr(obj); |
| 952 | if (key == NULL) |
| 953 | return 0; |
| 954 | if (PyDict_GetItem(self->fast_memo, key)) { |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 955 | Py_DECREF(key); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 956 | PyErr_Format(PyExc_ValueError, |
| 957 | "fast mode: can't pickle cyclic objects including object type %s at %p", |
| 958 | obj->ob_type->tp_name, obj); |
| 959 | self->fast_container = -1; |
| 960 | return 0; |
| 961 | } |
| 962 | if (PyDict_SetItem(self->fast_memo, key, Py_None) < 0) { |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 963 | Py_DECREF(key); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 964 | self->fast_container = -1; |
| 965 | return 0; |
| 966 | } |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 967 | Py_DECREF(key); |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 968 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 969 | return 1; |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 970 | } |
| 971 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 972 | int |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 973 | fast_save_leave(Picklerobject *self, PyObject *obj) |
| 974 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 975 | if (self->fast_container-- >= PY_CPICKLE_FAST_LIMIT) { |
| 976 | PyObject *key = PyLong_FromVoidPtr(obj); |
| 977 | if (key == NULL) |
| 978 | return 0; |
| 979 | if (PyDict_DelItem(self->fast_memo, key) < 0) { |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 980 | Py_DECREF(key); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 981 | return 0; |
| 982 | } |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 983 | Py_DECREF(key); |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 984 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 985 | return 1; |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 986 | } |
| 987 | |
| 988 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 989 | save_none(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 990 | { |
| 991 | static char none = NONE; |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 992 | if (self->write_func(self, &none, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 993 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 994 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 995 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 996 | } |
| 997 | |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 998 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 999 | save_bool(Picklerobject *self, PyObject *args) |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 1000 | { |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 1001 | static char *buf[2] = {FALSE, TRUE}; |
| 1002 | static char len[2] = {sizeof(FALSE)-1, sizeof(TRUE)-1}; |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 1003 | long l = PyInt_AS_LONG((PyIntObject *)args); |
| 1004 | |
Tim Peters | 3c67d79 | 2003-02-02 17:59:11 +0000 | [diff] [blame] | 1005 | if (self->proto >= 2) { |
| 1006 | char opcode = l ? NEWTRUE : NEWFALSE; |
| 1007 | if (self->write_func(self, &opcode, 1) < 0) |
| 1008 | return -1; |
| 1009 | } |
| 1010 | else if (self->write_func(self, buf[l], len[l]) < 0) |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 1011 | return -1; |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 1012 | return 0; |
| 1013 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1014 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1015 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1016 | save_int(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1017 | { |
| 1018 | char c_str[32]; |
| 1019 | long l = PyInt_AS_LONG((PyIntObject *)args); |
| 1020 | int len = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1021 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1022 | if (!self->bin |
Guido van Rossum | de8d6d7 | 1997-05-13 18:00:44 +0000 | [diff] [blame] | 1023 | #if SIZEOF_LONG > 4 |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1024 | || l > 0x7fffffffL |
| 1025 | || l < -0x80000000L |
Guido van Rossum | de8d6d7 | 1997-05-13 18:00:44 +0000 | [diff] [blame] | 1026 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1027 | ) { |
| 1028 | /* Text-mode pickle, or long too big to fit in the 4-byte |
| 1029 | * signed BININT format: store as a string. |
| 1030 | */ |
| 1031 | c_str[0] = INT; |
| 1032 | PyOS_snprintf(c_str + 1, sizeof(c_str) - 1, "%ld\n", l); |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1033 | if (self->write_func(self, c_str, strlen(c_str)) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1034 | return -1; |
| 1035 | } |
| 1036 | else { |
| 1037 | /* Binary pickle and l fits in a signed 4-byte int. */ |
| 1038 | c_str[1] = (int)( l & 0xff); |
| 1039 | c_str[2] = (int)((l >> 8) & 0xff); |
| 1040 | c_str[3] = (int)((l >> 16) & 0xff); |
| 1041 | c_str[4] = (int)((l >> 24) & 0xff); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1042 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1043 | if ((c_str[4] == 0) && (c_str[3] == 0)) { |
| 1044 | if (c_str[2] == 0) { |
| 1045 | c_str[0] = BININT1; |
| 1046 | len = 2; |
| 1047 | } |
| 1048 | else { |
| 1049 | c_str[0] = BININT2; |
| 1050 | len = 3; |
| 1051 | } |
| 1052 | } |
| 1053 | else { |
| 1054 | c_str[0] = BININT; |
| 1055 | len = 5; |
| 1056 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1057 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1058 | if (self->write_func(self, c_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1059 | return -1; |
| 1060 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1061 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1062 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1063 | } |
| 1064 | |
| 1065 | |
| 1066 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1067 | save_long(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1068 | { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 1069 | int size; |
| 1070 | int res = -1; |
| 1071 | PyObject *repr = NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1072 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1073 | static char l = LONG; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1074 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 1075 | if (self->proto >= 2) { |
| 1076 | /* Linear-time pickling. */ |
| 1077 | size_t nbits; |
| 1078 | size_t nbytes; |
| 1079 | unsigned char *pdata; |
| 1080 | char c_str[5]; |
| 1081 | int i; |
| 1082 | int sign = _PyLong_Sign(args); |
| 1083 | |
| 1084 | if (sign == 0) { |
| 1085 | /* It's 0 -- an empty bytestring. */ |
| 1086 | c_str[0] = LONG1; |
| 1087 | c_str[1] = 0; |
| 1088 | i = self->write_func(self, c_str, 2); |
| 1089 | if (i < 0) goto finally; |
| 1090 | res = 0; |
| 1091 | goto finally; |
| 1092 | } |
| 1093 | nbits = _PyLong_NumBits(args); |
| 1094 | if (nbits == (size_t)-1 && PyErr_Occurred()) |
| 1095 | goto finally; |
| 1096 | /* How many bytes do we need? There are nbits >> 3 full |
| 1097 | * bytes of data, and nbits & 7 leftover bits. If there |
| 1098 | * are any leftover bits, then we clearly need another |
| 1099 | * byte. Wnat's not so obvious is that we *probably* |
| 1100 | * need another byte even if there aren't any leftovers: |
| 1101 | * the most-significant bit of the most-significant byte |
| 1102 | * acts like a sign bit, and it's usually got a sense |
| 1103 | * opposite of the one we need. The exception is longs |
| 1104 | * of the form -(2**(8*j-1)) for j > 0. Such a long is |
| 1105 | * its own 256's-complement, so has the right sign bit |
| 1106 | * even without the extra byte. That's a pain to check |
| 1107 | * for in advance, though, so we always grab an extra |
| 1108 | * byte at the start, and cut it back later if possible. |
| 1109 | */ |
| 1110 | nbytes = (nbits >> 3) + 1; |
| 1111 | if ((int)nbytes < 0 || (size_t)(int)nbytes != nbytes) { |
| 1112 | PyErr_SetString(PyExc_OverflowError, "long too large " |
| 1113 | "to pickle"); |
| 1114 | goto finally; |
| 1115 | } |
| 1116 | repr = PyString_FromStringAndSize(NULL, (int)nbytes); |
| 1117 | if (repr == NULL) goto finally; |
| 1118 | pdata = (unsigned char *)PyString_AS_STRING(repr); |
| 1119 | i = _PyLong_AsByteArray((PyLongObject *)args, |
| 1120 | pdata, nbytes, |
| 1121 | 1 /* little endian */, 1 /* signed */); |
| 1122 | if (i < 0) goto finally; |
| 1123 | /* If the long is negative, this may be a byte more than |
| 1124 | * needed. This is so iff the MSB is all redundant sign |
| 1125 | * bits. |
| 1126 | */ |
| 1127 | if (sign < 0 && nbytes > 1 && pdata[nbytes - 1] == 0xff && |
| 1128 | (pdata[nbytes - 2] & 0x80) != 0) |
| 1129 | --nbytes; |
| 1130 | |
| 1131 | if (nbytes < 256) { |
| 1132 | c_str[0] = LONG1; |
| 1133 | c_str[1] = (char)nbytes; |
| 1134 | size = 2; |
| 1135 | } |
| 1136 | else { |
| 1137 | c_str[0] = LONG4; |
| 1138 | size = (int)nbytes; |
| 1139 | for (i = 1; i < 5; i++) { |
| 1140 | c_str[i] = (char)(size & 0xff); |
| 1141 | size >>= 8; |
| 1142 | } |
| 1143 | size = 5; |
| 1144 | } |
| 1145 | i = self->write_func(self, c_str, size); |
| 1146 | if (i < 0) goto finally; |
| 1147 | i = self->write_func(self, (char *)pdata, (int)nbytes); |
| 1148 | if (i < 0) goto finally; |
| 1149 | res = 0; |
| 1150 | goto finally; |
| 1151 | } |
| 1152 | |
| 1153 | /* proto < 2: write the repr and newline. This is quadratic-time |
| 1154 | * (in the number of digits), in both directions. |
| 1155 | */ |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1156 | if (!( repr = PyObject_Repr(args))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1157 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1158 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1159 | if ((size = PyString_Size(repr)) < 0) |
| 1160 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1161 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1162 | if (self->write_func(self, &l, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1163 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1164 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1165 | if (self->write_func(self, |
| 1166 | PyString_AS_STRING((PyStringObject *)repr), |
| 1167 | size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1168 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1169 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1170 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1171 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1172 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1173 | res = 0; |
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 | finally: |
| 1176 | Py_XDECREF(repr); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1177 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1178 | } |
| 1179 | |
| 1180 | |
| 1181 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1182 | save_float(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1183 | { |
| 1184 | double x = PyFloat_AS_DOUBLE((PyFloatObject *)args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1185 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1186 | if (self->bin) { |
| 1187 | int s, e; |
| 1188 | double f; |
| 1189 | long fhi, flo; |
| 1190 | char str[9]; |
| 1191 | unsigned char *p = (unsigned char *)str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1192 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1193 | *p = BINFLOAT; |
| 1194 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1195 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1196 | if (x < 0) { |
| 1197 | s = 1; |
| 1198 | x = -x; |
| 1199 | } |
| 1200 | else |
| 1201 | s = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1202 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1203 | f = frexp(x, &e); |
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 | /* Normalize f to be in the range [1.0, 2.0) */ |
| 1206 | if (0.5 <= f && f < 1.0) { |
| 1207 | f *= 2.0; |
| 1208 | e--; |
| 1209 | } |
| 1210 | else if (f == 0.0) { |
| 1211 | e = 0; |
| 1212 | } |
| 1213 | else { |
| 1214 | PyErr_SetString(PyExc_SystemError, |
| 1215 | "frexp() result out of range"); |
| 1216 | return -1; |
| 1217 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1218 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1219 | if (e >= 1024) { |
| 1220 | /* XXX 1024 itself is reserved for Inf/NaN */ |
| 1221 | PyErr_SetString(PyExc_OverflowError, |
| 1222 | "float too large to pack with d format"); |
| 1223 | return -1; |
| 1224 | } |
| 1225 | else if (e < -1022) { |
| 1226 | /* Gradual underflow */ |
| 1227 | f = ldexp(f, 1022 + e); |
| 1228 | e = 0; |
| 1229 | } |
| 1230 | else if (!(e == 0 && f == 0.0)) { |
| 1231 | e += 1023; |
| 1232 | f -= 1.0; /* Get rid of leading 1 */ |
| 1233 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1234 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1235 | /* fhi receives the high 28 bits; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1236 | flo the low 24 bits (== 52 bits) */ |
| 1237 | f *= 268435456.0; /* 2**28 */ |
| 1238 | fhi = (long) floor(f); /* Truncate */ |
| 1239 | f -= (double)fhi; |
| 1240 | f *= 16777216.0; /* 2**24 */ |
| 1241 | flo = (long) floor(f + 0.5); /* Round */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1242 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1243 | /* First byte */ |
| 1244 | *p = (s<<7) | (e>>4); |
| 1245 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1246 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1247 | /* Second byte */ |
| 1248 | *p = (unsigned char) (((e&0xF)<<4) | (fhi>>24)); |
| 1249 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1250 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1251 | /* Third byte */ |
| 1252 | *p = (unsigned char) ((fhi>>16) & 0xFF); |
| 1253 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1254 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1255 | /* Fourth byte */ |
| 1256 | *p = (unsigned char) ((fhi>>8) & 0xFF); |
| 1257 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1258 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1259 | /* Fifth byte */ |
| 1260 | *p = (unsigned char) (fhi & 0xFF); |
| 1261 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1262 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1263 | /* Sixth byte */ |
| 1264 | *p = (unsigned char) ((flo>>16) & 0xFF); |
| 1265 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1266 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1267 | /* Seventh byte */ |
| 1268 | *p = (unsigned char) ((flo>>8) & 0xFF); |
| 1269 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1270 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1271 | /* Eighth byte */ |
| 1272 | *p = (unsigned char) (flo & 0xFF); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1273 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1274 | if (self->write_func(self, str, 9) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1275 | return -1; |
| 1276 | } |
| 1277 | else { |
| 1278 | char c_str[250]; |
| 1279 | c_str[0] = FLOAT; |
| 1280 | 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] | 1281 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1282 | if (self->write_func(self, c_str, strlen(c_str)) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1283 | return -1; |
| 1284 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1285 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1286 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1287 | } |
| 1288 | |
| 1289 | |
| 1290 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1291 | save_string(Picklerobject *self, PyObject *args, int doput) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1292 | { |
| 1293 | int size, len; |
| 1294 | PyObject *repr=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1295 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1296 | if ((size = PyString_Size(args)) < 0) |
| 1297 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1298 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1299 | if (!self->bin) { |
| 1300 | char *repr_str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1301 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1302 | static char string = STRING; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1303 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1304 | if (!( repr = PyObject_Repr(args))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1305 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1306 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1307 | if ((len = PyString_Size(repr)) < 0) |
| 1308 | goto err; |
| 1309 | repr_str = PyString_AS_STRING((PyStringObject *)repr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1310 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1311 | if (self->write_func(self, &string, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1312 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1313 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1314 | if (self->write_func(self, repr_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1315 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1316 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1317 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1318 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1319 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1320 | Py_XDECREF(repr); |
| 1321 | } |
| 1322 | else { |
| 1323 | int i; |
| 1324 | char c_str[5]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1325 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1326 | if ((size = PyString_Size(args)) < 0) |
| 1327 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1328 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1329 | if (size < 256) { |
| 1330 | c_str[0] = SHORT_BINSTRING; |
| 1331 | c_str[1] = size; |
| 1332 | len = 2; |
| 1333 | } |
| 1334 | else { |
| 1335 | c_str[0] = BINSTRING; |
| 1336 | for (i = 1; i < 5; i++) |
| 1337 | c_str[i] = (int)(size >> ((i - 1) * 8)); |
| 1338 | len = 5; |
| 1339 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1340 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1341 | if (self->write_func(self, c_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1342 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1343 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1344 | if (size > 128 && Pdata_Check(self->file)) { |
| 1345 | if (write_other(self, NULL, 0) < 0) return -1; |
| 1346 | PDATA_APPEND(self->file, args, -1); |
| 1347 | } |
| 1348 | else { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1349 | if (self->write_func(self, |
| 1350 | PyString_AS_STRING( |
| 1351 | (PyStringObject *)args), |
| 1352 | size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1353 | return -1; |
| 1354 | } |
| 1355 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1356 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1357 | if (doput) |
| 1358 | if (put(self, args) < 0) |
| 1359 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1360 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1361 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1362 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1363 | err: |
| 1364 | Py_XDECREF(repr); |
| 1365 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1366 | } |
| 1367 | |
| 1368 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1369 | #ifdef Py_USING_UNICODE |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1370 | /* A copy of PyUnicode_EncodeRawUnicodeEscape() that also translates |
| 1371 | backslash and newline characters to \uXXXX escapes. */ |
| 1372 | static PyObject * |
| 1373 | modified_EncodeRawUnicodeEscape(const Py_UNICODE *s, int size) |
| 1374 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1375 | PyObject *repr; |
| 1376 | char *p; |
| 1377 | char *q; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1378 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1379 | static const char *hexdigit = "0123456789ABCDEF"; |
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 | repr = PyString_FromStringAndSize(NULL, 6 * size); |
| 1382 | if (repr == NULL) |
| 1383 | return NULL; |
| 1384 | if (size == 0) |
| 1385 | return repr; |
| 1386 | |
| 1387 | p = q = PyString_AS_STRING(repr); |
| 1388 | while (size-- > 0) { |
| 1389 | Py_UNICODE ch = *s++; |
| 1390 | /* Map 16-bit characters to '\uxxxx' */ |
| 1391 | if (ch >= 256 || ch == '\\' || ch == '\n') { |
| 1392 | *p++ = '\\'; |
| 1393 | *p++ = 'u'; |
| 1394 | *p++ = hexdigit[(ch >> 12) & 0xf]; |
| 1395 | *p++ = hexdigit[(ch >> 8) & 0xf]; |
| 1396 | *p++ = hexdigit[(ch >> 4) & 0xf]; |
| 1397 | *p++ = hexdigit[ch & 15]; |
| 1398 | } |
| 1399 | /* Copy everything else as-is */ |
| 1400 | else |
| 1401 | *p++ = (char) ch; |
| 1402 | } |
| 1403 | *p = '\0'; |
Tim Peters | 5de9842 | 2002-04-27 18:44:32 +0000 | [diff] [blame] | 1404 | _PyString_Resize(&repr, p - q); |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1405 | return repr; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1406 | } |
| 1407 | |
| 1408 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1409 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1410 | save_unicode(Picklerobject *self, PyObject *args, int doput) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1411 | { |
| 1412 | int size, len; |
| 1413 | PyObject *repr=0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1414 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1415 | if (!PyUnicode_Check(args)) |
| 1416 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1417 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1418 | if (!self->bin) { |
| 1419 | char *repr_str; |
| 1420 | static char string = UNICODE; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1421 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1422 | repr = modified_EncodeRawUnicodeEscape( |
| 1423 | PyUnicode_AS_UNICODE(args), PyUnicode_GET_SIZE(args)); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1424 | if (!repr) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1425 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1426 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1427 | if ((len = PyString_Size(repr)) < 0) |
| 1428 | goto err; |
| 1429 | repr_str = PyString_AS_STRING((PyStringObject *)repr); |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1430 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1431 | if (self->write_func(self, &string, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1432 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1433 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1434 | if (self->write_func(self, repr_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1435 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1436 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1437 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1438 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1439 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1440 | Py_XDECREF(repr); |
| 1441 | } |
| 1442 | else { |
| 1443 | int i; |
| 1444 | char c_str[5]; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1445 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1446 | if (!( repr = PyUnicode_AsUTF8String(args))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1447 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1448 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1449 | if ((size = PyString_Size(repr)) < 0) |
| 1450 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1451 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1452 | c_str[0] = BINUNICODE; |
| 1453 | for (i = 1; i < 5; i++) |
| 1454 | c_str[i] = (int)(size >> ((i - 1) * 8)); |
| 1455 | len = 5; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1456 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1457 | if (self->write_func(self, c_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1458 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1459 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1460 | if (size > 128 && Pdata_Check(self->file)) { |
| 1461 | if (write_other(self, NULL, 0) < 0) |
| 1462 | goto err; |
| 1463 | PDATA_APPEND(self->file, repr, -1); |
| 1464 | } |
| 1465 | else { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1466 | if (self->write_func(self, PyString_AS_STRING(repr), |
| 1467 | size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1468 | goto err; |
| 1469 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1470 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1471 | Py_DECREF(repr); |
| 1472 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1473 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1474 | if (doput) |
| 1475 | if (put(self, args) < 0) |
| 1476 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1477 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1478 | return 0; |
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 | err: |
| 1481 | Py_XDECREF(repr); |
| 1482 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1483 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1484 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1485 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1486 | /* A helper for save_tuple. Push the len elements in tuple t on the stack. */ |
| 1487 | static int |
Tim Peters | 6792014 | 2003-02-05 03:46:17 +0000 | [diff] [blame] | 1488 | store_tuple_elements(Picklerobject *self, PyObject *t, int len) |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1489 | { |
| 1490 | int i; |
| 1491 | int res = -1; /* guilty until proved innocent */ |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1492 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1493 | assert(PyTuple_Size(t) == len); |
| 1494 | |
| 1495 | for (i = 0; i < len; i++) { |
| 1496 | PyObject *element = PyTuple_GET_ITEM(t, i); |
| 1497 | |
| 1498 | if (element == NULL) |
| 1499 | goto finally; |
| 1500 | if (save(self, element, 0) < 0) |
| 1501 | goto finally; |
| 1502 | } |
| 1503 | res = 0; |
| 1504 | |
| 1505 | finally: |
| 1506 | return res; |
| 1507 | } |
| 1508 | |
| 1509 | /* Tuples are ubiquitous in the pickle protocols, so many techniques are |
| 1510 | * used across protocols to minimize the space needed to pickle them. |
Tim Peters | 6792014 | 2003-02-05 03:46:17 +0000 | [diff] [blame] | 1511 | * Tuples are also the only builtin immutable type that can be recursive |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1512 | * (a tuple can be reached from itself), and that requires some subtle |
| 1513 | * magic so that it works in all cases. IOW, this is a long routine. |
| 1514 | */ |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1515 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1516 | save_tuple(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1517 | { |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1518 | PyObject *py_tuple_id = NULL; |
| 1519 | int len, i; |
| 1520 | int res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1521 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1522 | static char tuple = TUPLE; |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1523 | static char pop = POP; |
| 1524 | static char pop_mark = POP_MARK; |
| 1525 | static char len2opcode[] = {EMPTY_TUPLE, TUPLE1, TUPLE2, TUPLE3}; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1526 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1527 | if ((len = PyTuple_Size(args)) < 0) |
| 1528 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1529 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1530 | if (len == 0) { |
| 1531 | char c_str[2]; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1532 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1533 | if (self->proto) { |
| 1534 | c_str[0] = EMPTY_TUPLE; |
| 1535 | len = 1; |
| 1536 | } |
| 1537 | else { |
| 1538 | c_str[0] = MARK; |
| 1539 | c_str[1] = TUPLE; |
| 1540 | len = 2; |
| 1541 | } |
| 1542 | if (self->write_func(self, c_str, len) >= 0) |
| 1543 | res = 0; |
| 1544 | /* Don't memoize an empty tuple. */ |
| 1545 | goto finally; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1546 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1547 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1548 | /* A non-empty tuple. */ |
| 1549 | |
| 1550 | /* id(tuple) isn't in the memo now. If it shows up there after |
| 1551 | * saving the tuple elements, the tuple must be recursive, in |
| 1552 | * which case we'll pop everything we put on the stack, and fetch |
| 1553 | * its value from the memo. |
| 1554 | */ |
| 1555 | py_tuple_id = PyLong_FromVoidPtr(args); |
| 1556 | if (py_tuple_id == NULL) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1557 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1558 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1559 | if (len <= 3 && self->proto >= 2) { |
| 1560 | /* Use TUPLE{1,2,3} opcodes. */ |
Tim Peters | 6792014 | 2003-02-05 03:46:17 +0000 | [diff] [blame] | 1561 | if (store_tuple_elements(self, args, len) < 0) |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1562 | goto finally; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1563 | if (PyDict_GetItem(self->memo, py_tuple_id)) { |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1564 | /* pop the len elements */ |
| 1565 | for (i = 0; i < len; ++i) |
| 1566 | if (self->write_func(self, &pop, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1567 | goto finally; |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1568 | /* fetch from memo */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1569 | if (get(self, py_tuple_id) < 0) |
| 1570 | goto finally; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1571 | res = 0; |
| 1572 | goto finally; |
| 1573 | } |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1574 | /* Not recursive. */ |
| 1575 | if (self->write_func(self, len2opcode + len, 1) < 0) |
| 1576 | goto finally; |
| 1577 | goto memoize; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1578 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1579 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1580 | /* proto < 2 and len > 0, or proto >= 2 and len > 3. |
| 1581 | * Generate MARK elt1 elt2 ... TUPLE |
| 1582 | */ |
| 1583 | if (self->write_func(self, &MARKv, 1) < 0) |
| 1584 | goto finally; |
| 1585 | |
Tim Peters | 6792014 | 2003-02-05 03:46:17 +0000 | [diff] [blame] | 1586 | if (store_tuple_elements(self, args, len) < 0) |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1587 | goto finally; |
| 1588 | |
| 1589 | if (PyDict_GetItem(self->memo, py_tuple_id)) { |
| 1590 | /* pop the stack stuff we pushed */ |
| 1591 | if (self->bin) { |
| 1592 | if (self->write_func(self, &pop_mark, 1) < 0) |
| 1593 | goto finally; |
| 1594 | } |
| 1595 | else { |
| 1596 | /* Note that we pop one more than len, to remove |
| 1597 | * the MARK too. |
| 1598 | */ |
| 1599 | for (i = 0; i <= len; i++) |
| 1600 | if (self->write_func(self, &pop, 1) < 0) |
| 1601 | goto finally; |
| 1602 | } |
| 1603 | /* fetch from memo */ |
| 1604 | if (get(self, py_tuple_id) >= 0) |
| 1605 | res = 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1606 | goto finally; |
| 1607 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1608 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1609 | /* Not recursive. */ |
| 1610 | if (self->write_func(self, &tuple, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1611 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1612 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1613 | memoize: |
| 1614 | if (put(self, args) >= 0) |
| 1615 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1616 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1617 | finally: |
| 1618 | Py_XDECREF(py_tuple_id); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1619 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1620 | } |
| 1621 | |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame^] | 1622 | /* iter is an iterator giving items, and we batch up chunks of |
| 1623 | * MARK item item ... item APPENDS |
| 1624 | * opcode sequences. Calling code should have arranged to first create an |
| 1625 | * empty list, or list-like object, for the APPENDS to operate on. |
| 1626 | * Returns 0 on success, <0 on error. |
| 1627 | */ |
| 1628 | static int |
| 1629 | batch_list(Picklerobject *self, PyObject *iter) |
| 1630 | { |
| 1631 | PyObject *obj; |
| 1632 | PyObject *slice[BATCHSIZE]; |
| 1633 | int i, n; |
| 1634 | |
| 1635 | static char append = APPEND; |
| 1636 | static char appends = APPENDS; |
| 1637 | |
| 1638 | assert(iter != NULL); |
| 1639 | |
| 1640 | if (self->proto == 0) { |
| 1641 | /* APPENDS isn't available; do one at a time. */ |
| 1642 | for (;;) { |
| 1643 | obj = PyIter_Next(iter); |
| 1644 | if (obj == NULL) { |
| 1645 | if (PyErr_Occurred()) |
| 1646 | return -1; |
| 1647 | break; |
| 1648 | } |
| 1649 | i = save(self, obj, 0); |
| 1650 | Py_DECREF(obj); |
| 1651 | if (i < 0) |
| 1652 | return -1; |
| 1653 | if (self->write_func(self, &append, 1) < 0) |
| 1654 | return -1; |
| 1655 | |
| 1656 | } |
| 1657 | return 0; |
| 1658 | } |
| 1659 | |
| 1660 | /* proto > 0: write in batches of BATCHSIZE. */ |
| 1661 | do { |
| 1662 | /* Get next group of (no more than) BATCHSIZE elements. */ |
| 1663 | for (n = 0; n < BATCHSIZE; ++n) { |
| 1664 | obj = PyIter_Next(iter); |
| 1665 | if (obj == NULL) { |
| 1666 | if (PyErr_Occurred()) |
| 1667 | goto BatchFailed; |
| 1668 | break; |
| 1669 | } |
| 1670 | slice[n] = obj; |
| 1671 | } |
| 1672 | |
| 1673 | if (n > 1) { |
| 1674 | /* Pump out MARK, slice[0:n], APPENDS. */ |
| 1675 | if (self->write_func(self, &MARKv, 1) < 0) |
| 1676 | goto BatchFailed; |
| 1677 | for (i = 0; i < n; ++i) { |
| 1678 | if (save(self, slice[i], 0) < 0) |
| 1679 | goto BatchFailed; |
| 1680 | } |
| 1681 | if (self->write_func(self, &appends, 1) < 0) |
| 1682 | goto BatchFailed; |
| 1683 | } |
| 1684 | else if (n == 1) { |
| 1685 | if (save(self, slice[0], 0) < 0) |
| 1686 | goto BatchFailed; |
| 1687 | if (self->write_func(self, &append, 1) < 0) |
| 1688 | goto BatchFailed; |
| 1689 | } |
| 1690 | |
| 1691 | for (i = 0; i < n; ++i) { |
| 1692 | Py_DECREF(slice[i]); |
| 1693 | } |
| 1694 | }while (n == BATCHSIZE); |
| 1695 | return 0; |
| 1696 | |
| 1697 | BatchFailed: |
| 1698 | while (--n >= 0) { |
| 1699 | Py_DECREF(slice[n]); |
| 1700 | } |
| 1701 | return -1; |
| 1702 | } |
| 1703 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1704 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1705 | save_list(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1706 | { |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame^] | 1707 | int res = -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1708 | char s[3]; |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame^] | 1709 | int len; |
| 1710 | PyObject *iter; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1711 | |
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) { |
| 1736 | if (put(self, args) < 0) |
| 1737 | goto finally; |
| 1738 | } |
| 1739 | else { |
| 1740 | if (put2(self, args) < 0) |
| 1741 | goto finally; |
| 1742 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1743 | |
Tim Peters | 1092d64 | 2003-02-11 21:06:20 +0000 | [diff] [blame^] | 1744 | /* Materialize the list elements. */ |
| 1745 | iter = PyObject_GetIter(args); |
| 1746 | if (iter == NULL) |
| 1747 | goto finally; |
| 1748 | res = batch_list(self, iter); |
| 1749 | Py_DECREF(iter); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1750 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1751 | finally: |
| 1752 | if (self->fast && !fast_save_leave(self, args)) |
| 1753 | res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1754 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1755 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1756 | } |
| 1757 | |
| 1758 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1759 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1760 | save_dict(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1761 | { |
| 1762 | PyObject *key = 0, *value = 0; |
| 1763 | int i, len, res = -1, using_setitems; |
| 1764 | char s[3]; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1765 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1766 | static char setitem = SETITEM, setitems = SETITEMS; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1767 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1768 | if (self->fast && !fast_save_enter(self, args)) |
| 1769 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1770 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1771 | if (self->bin) { |
| 1772 | s[0] = EMPTY_DICT; |
| 1773 | len = 1; |
| 1774 | } |
| 1775 | else { |
| 1776 | s[0] = MARK; |
| 1777 | s[1] = DICT; |
| 1778 | len = 2; |
| 1779 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1780 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1781 | if (self->write_func(self, s, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1782 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1783 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1784 | if ((len = PyDict_Size(args)) < 0) |
| 1785 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1786 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1787 | if (len == 0) { |
| 1788 | if (put(self, args) < 0) |
| 1789 | goto finally; |
| 1790 | } |
| 1791 | else { |
| 1792 | if (put2(self, args) < 0) |
| 1793 | goto finally; |
| 1794 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1795 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1796 | if ((using_setitems = (self->bin && (PyDict_Size(args) > 1)))) |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1797 | if (self->write_func(self, &MARKv, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1798 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1799 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1800 | i = 0; |
| 1801 | while (PyDict_Next(args, &i, &key, &value)) { |
| 1802 | if (save(self, key, 0) < 0) |
| 1803 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1804 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1805 | if (save(self, value, 0) < 0) |
| 1806 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1807 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1808 | if (!using_setitems) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1809 | if (self->write_func(self, &setitem, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1810 | goto finally; |
| 1811 | } |
| 1812 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1813 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1814 | if (using_setitems) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1815 | if (self->write_func(self, &setitems, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1816 | goto finally; |
| 1817 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1818 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1819 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1820 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1821 | finally: |
| 1822 | if (self->fast && !fast_save_leave(self, args)) |
| 1823 | res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1824 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1825 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1826 | } |
| 1827 | |
| 1828 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1829 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1830 | save_inst(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1831 | { |
| 1832 | PyObject *class = 0, *module = 0, *name = 0, *state = 0, |
| 1833 | *getinitargs_func = 0, *getstate_func = 0, *class_args = 0; |
| 1834 | char *module_str, *name_str; |
| 1835 | int module_size, name_size, res = -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1836 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1837 | static char inst = INST, obj = OBJ, build = BUILD; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1838 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1839 | if (self->fast && !fast_save_enter(self, args)) |
| 1840 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1841 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1842 | if (self->write_func(self, &MARKv, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1843 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1844 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1845 | if (!( class = PyObject_GetAttr(args, __class___str))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1846 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1847 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1848 | if (self->bin) { |
| 1849 | if (save(self, class, 0) < 0) |
| 1850 | goto finally; |
| 1851 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1852 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1853 | if ((getinitargs_func = PyObject_GetAttr(args, __getinitargs___str))) { |
| 1854 | PyObject *element = 0; |
| 1855 | int i, len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1856 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1857 | if (!( class_args = |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1858 | PyObject_Call(getinitargs_func, empty_tuple, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1859 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1860 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1861 | if ((len = PyObject_Size(class_args)) < 0) |
| 1862 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1863 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1864 | for (i = 0; i < len; i++) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1865 | if (!( element = PySequence_GetItem(class_args, i))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1866 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1867 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1868 | if (save(self, element, 0) < 0) { |
| 1869 | Py_DECREF(element); |
| 1870 | goto finally; |
| 1871 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1872 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1873 | Py_DECREF(element); |
| 1874 | } |
| 1875 | } |
| 1876 | else { |
| 1877 | PyErr_Clear(); |
| 1878 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1879 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1880 | if (!self->bin) { |
| 1881 | if (!( name = ((PyClassObject *)class)->cl_name )) { |
| 1882 | PyErr_SetString(PicklingError, "class has no name"); |
| 1883 | goto finally; |
| 1884 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1885 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1886 | if (!( module = whichmodule(class, name))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1887 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1888 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1889 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1890 | if ((module_size = PyString_Size(module)) < 0 || |
| 1891 | (name_size = PyString_Size(name)) < 0) |
| 1892 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1893 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1894 | module_str = PyString_AS_STRING((PyStringObject *)module); |
| 1895 | name_str = PyString_AS_STRING((PyStringObject *)name); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1896 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1897 | if (self->write_func(self, &inst, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1898 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1899 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1900 | if (self->write_func(self, module_str, module_size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1901 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1902 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1903 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1904 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1905 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1906 | if (self->write_func(self, name_str, name_size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1907 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1908 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1909 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1910 | goto finally; |
| 1911 | } |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1912 | else if (self->write_func(self, &obj, 1) < 0) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1913 | goto finally; |
| 1914 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1915 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1916 | if ((getstate_func = PyObject_GetAttr(args, __getstate___str))) { |
| 1917 | state = PyObject_Call(getstate_func, empty_tuple, NULL); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1918 | if (!state) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1919 | goto finally; |
| 1920 | } |
| 1921 | else { |
| 1922 | PyErr_Clear(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1923 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1924 | if (!( state = PyObject_GetAttr(args, __dict___str))) { |
| 1925 | PyErr_Clear(); |
| 1926 | res = 0; |
| 1927 | goto finally; |
| 1928 | } |
| 1929 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1930 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1931 | if (!PyDict_Check(state)) { |
| 1932 | if (put2(self, args) < 0) |
| 1933 | goto finally; |
| 1934 | } |
| 1935 | else { |
| 1936 | if (put(self, args) < 0) |
| 1937 | goto finally; |
| 1938 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1939 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1940 | if (save(self, state, 0) < 0) |
| 1941 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1942 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1943 | if (self->write_func(self, &build, 1) < 0) |
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 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1947 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1948 | finally: |
| 1949 | if (self->fast && !fast_save_leave(self, args)) |
| 1950 | res = -1; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1951 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1952 | Py_XDECREF(module); |
| 1953 | Py_XDECREF(class); |
| 1954 | Py_XDECREF(state); |
| 1955 | Py_XDECREF(getinitargs_func); |
| 1956 | Py_XDECREF(getstate_func); |
| 1957 | Py_XDECREF(class_args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1958 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1959 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1960 | } |
| 1961 | |
| 1962 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1963 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1964 | save_global(Picklerobject *self, PyObject *args, PyObject *name) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1965 | { |
Jeremy Hylton | 9ee91f1 | 2002-07-11 22:02:33 +0000 | [diff] [blame] | 1966 | PyObject *global_name = 0, *module = 0, *mod = 0, *klass = 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1967 | char *name_str, *module_str; |
| 1968 | int module_size, name_size, res = -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1969 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1970 | static char global = GLOBAL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1971 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1972 | if (name) { |
| 1973 | global_name = name; |
| 1974 | Py_INCREF(global_name); |
| 1975 | } |
| 1976 | else { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1977 | if (!( global_name = PyObject_GetAttr(args, __name___str))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1978 | goto finally; |
| 1979 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1980 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1981 | if (!( module = whichmodule(args, global_name))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1982 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1983 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1984 | if ((module_size = PyString_Size(module)) < 0 || |
| 1985 | (name_size = PyString_Size(global_name)) < 0) |
| 1986 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1987 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1988 | module_str = PyString_AS_STRING((PyStringObject *)module); |
| 1989 | name_str = PyString_AS_STRING((PyStringObject *)global_name); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1990 | |
Guido van Rossum | 75bfd05 | 2002-12-24 18:10:07 +0000 | [diff] [blame] | 1991 | /* XXX This can be doing a relative import. Clearly it shouldn't, |
| 1992 | but I don't know how to stop it. :-( */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1993 | mod = PyImport_ImportModule(module_str); |
| 1994 | if (mod == NULL) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1995 | cPickle_ErrFormat(PicklingError, |
| 1996 | "Can't pickle %s: it's not found as %s.%s", |
| 1997 | "OSS", args, module, global_name); |
| 1998 | goto finally; |
| 1999 | } |
Jeremy Hylton | 0e1f7a8 | 2002-07-11 22:01:40 +0000 | [diff] [blame] | 2000 | klass = PyObject_GetAttrString(mod, name_str); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2001 | if (klass == NULL) { |
| 2002 | cPickle_ErrFormat(PicklingError, |
| 2003 | "Can't pickle %s: it's not found as %s.%s", |
| 2004 | "OSS", args, module, global_name); |
| 2005 | goto finally; |
| 2006 | } |
| 2007 | if (klass != args) { |
Jeremy Hylton | 0e1f7a8 | 2002-07-11 22:01:40 +0000 | [diff] [blame] | 2008 | Py_DECREF(klass); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2009 | cPickle_ErrFormat(PicklingError, |
Tim Peters | 731098b | 2003-02-04 20:56:09 +0000 | [diff] [blame] | 2010 | "Can't pickle %s: it's not the same object " |
| 2011 | "as %s.%s", |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2012 | "OSS", args, module, global_name); |
| 2013 | goto finally; |
| 2014 | } |
Jeremy Hylton | 0e1f7a8 | 2002-07-11 22:01:40 +0000 | [diff] [blame] | 2015 | Py_DECREF(klass); |
Guido van Rossum | a92d16a | 2001-08-18 21:22:07 +0000 | [diff] [blame] | 2016 | |
Tim Peters | 731098b | 2003-02-04 20:56:09 +0000 | [diff] [blame] | 2017 | if (self->proto >= 2) { |
| 2018 | /* See whether this is in the extension registry, and if |
| 2019 | * so generate an EXT opcode. |
| 2020 | */ |
| 2021 | PyObject *py_code; /* extension code as Python object */ |
Tim Peters | 3e667d5 | 2003-02-04 21:47:44 +0000 | [diff] [blame] | 2022 | long code; /* extension code as C value */ |
Tim Peters | 731098b | 2003-02-04 20:56:09 +0000 | [diff] [blame] | 2023 | char c_str[5]; |
| 2024 | int n; |
| 2025 | |
| 2026 | PyTuple_SET_ITEM(two_tuple, 0, module); |
| 2027 | PyTuple_SET_ITEM(two_tuple, 1, global_name); |
| 2028 | py_code = PyDict_GetItem(extension_registry, two_tuple); |
| 2029 | if (py_code == NULL) |
| 2030 | goto gen_global; /* not registered */ |
| 2031 | |
| 2032 | /* Verify py_code has the right type and value. */ |
| 2033 | if (!PyInt_Check(py_code)) { |
| 2034 | cPickle_ErrFormat(PicklingError, "Can't pickle %s: " |
Tim Peters | 6288e23 | 2003-02-05 03:53:10 +0000 | [diff] [blame] | 2035 | "extension code %s isn't an integer", |
Tim Peters | 731098b | 2003-02-04 20:56:09 +0000 | [diff] [blame] | 2036 | "OO", args, py_code); |
| 2037 | goto finally; |
| 2038 | } |
| 2039 | code = PyInt_AS_LONG(py_code); |
| 2040 | if (code <= 0 || code > 0x7fffffffL) { |
| 2041 | cPickle_ErrFormat(PicklingError, "Can't pickle %s: " |
| 2042 | "extension code %ld is out of range", |
| 2043 | "Ol", args, code); |
| 2044 | goto finally; |
| 2045 | } |
| 2046 | |
| 2047 | /* Generate an EXT opcode. */ |
| 2048 | if (code <= 0xff) { |
| 2049 | c_str[0] = EXT1; |
| 2050 | c_str[1] = (char)code; |
| 2051 | n = 2; |
| 2052 | } |
| 2053 | else if (code <= 0xffff) { |
| 2054 | c_str[0] = EXT2; |
| 2055 | c_str[1] = (char)(code & 0xff); |
| 2056 | c_str[2] = (char)((code >> 8) & 0xff); |
| 2057 | n = 3; |
| 2058 | } |
| 2059 | else { |
| 2060 | c_str[0] = EXT4; |
| 2061 | c_str[1] = (char)(code & 0xff); |
| 2062 | c_str[2] = (char)((code >> 8) & 0xff); |
| 2063 | c_str[3] = (char)((code >> 16) & 0xff); |
| 2064 | c_str[4] = (char)((code >> 24) & 0xff); |
| 2065 | n = 5; |
| 2066 | } |
| 2067 | |
| 2068 | if (self->write_func(self, c_str, n) >= 0) |
| 2069 | res = 0; |
| 2070 | goto finally; /* and don't memoize */ |
| 2071 | } |
| 2072 | |
| 2073 | gen_global: |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2074 | if (self->write_func(self, &global, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2075 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2076 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2077 | if (self->write_func(self, module_str, module_size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2078 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2079 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2080 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2081 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2082 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2083 | if (self->write_func(self, name_str, name_size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2084 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2085 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2086 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2087 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2088 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2089 | if (put(self, args) < 0) |
| 2090 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2091 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2092 | res = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2093 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2094 | finally: |
| 2095 | Py_XDECREF(module); |
| 2096 | Py_XDECREF(global_name); |
| 2097 | Py_XDECREF(mod); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2098 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2099 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2100 | } |
| 2101 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2102 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2103 | save_pers(Picklerobject *self, PyObject *args, PyObject *f) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2104 | { |
| 2105 | PyObject *pid = 0; |
| 2106 | int size, res = -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2107 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2108 | static char persid = PERSID, binpersid = BINPERSID; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2109 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2110 | Py_INCREF(args); |
| 2111 | ARG_TUP(self, args); |
| 2112 | if (self->arg) { |
| 2113 | pid = PyObject_Call(f, self->arg, NULL); |
| 2114 | FREE_ARG_TUP(self); |
| 2115 | } |
| 2116 | if (! pid) return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2117 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2118 | if (pid != Py_None) { |
| 2119 | if (!self->bin) { |
| 2120 | if (!PyString_Check(pid)) { |
| 2121 | PyErr_SetString(PicklingError, |
| 2122 | "persistent id must be string"); |
| 2123 | goto finally; |
| 2124 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2125 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2126 | if (self->write_func(self, &persid, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2127 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2128 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2129 | if ((size = PyString_Size(pid)) < 0) |
| 2130 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2131 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2132 | if (self->write_func(self, |
| 2133 | PyString_AS_STRING( |
| 2134 | (PyStringObject *)pid), |
| 2135 | size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2136 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2137 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2138 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2139 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2140 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2141 | res = 1; |
| 2142 | goto finally; |
| 2143 | } |
| 2144 | else if (save(self, pid, 1) >= 0) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2145 | if (self->write_func(self, &binpersid, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2146 | res = -1; |
| 2147 | else |
| 2148 | res = 1; |
| 2149 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2150 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2151 | goto finally; |
| 2152 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2153 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2154 | res = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2155 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2156 | finally: |
| 2157 | Py_XDECREF(pid); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2158 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2159 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2160 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2161 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2162 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2163 | static int |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2164 | save_reduce(Picklerobject *self, PyObject *callable, |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2165 | PyObject *tup, PyObject *state, PyObject *ob) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2166 | { |
| 2167 | static char reduce = REDUCE, build = BUILD; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2168 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2169 | if (save(self, callable, 0) < 0) |
| 2170 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2171 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2172 | if (save(self, tup, 0) < 0) |
| 2173 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2174 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2175 | if (self->write_func(self, &reduce, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2176 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2177 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2178 | if (ob != NULL) { |
| 2179 | if (state && !PyDict_Check(state)) { |
| 2180 | if (put2(self, ob) < 0) |
| 2181 | return -1; |
| 2182 | } |
| 2183 | else { |
| 2184 | if (put(self, ob) < 0) |
| 2185 | return -1; |
| 2186 | } |
| 2187 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2188 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2189 | if (state) { |
| 2190 | if (save(self, state, 0) < 0) |
| 2191 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2192 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2193 | if (self->write_func(self, &build, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2194 | return -1; |
| 2195 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2196 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2197 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2198 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2199 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2200 | static int |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 2201 | save(Picklerobject *self, PyObject *args, int pers_save) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2202 | { |
| 2203 | PyTypeObject *type; |
| 2204 | PyObject *py_ob_id = 0, *__reduce__ = 0, *t = 0, *arg_tup = 0, |
| 2205 | *callable = 0, *state = 0; |
| 2206 | int res = -1, tmp, size; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2207 | |
Martin v. Löwis | 5a39530 | 2002-08-04 08:20:23 +0000 | [diff] [blame] | 2208 | if (self->nesting++ > Py_GetRecursionLimit()){ |
| 2209 | PyErr_SetString(PyExc_RuntimeError, |
| 2210 | "maximum recursion depth exceeded"); |
| 2211 | goto finally; |
| 2212 | } |
| 2213 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2214 | if (!pers_save && self->pers_func) { |
| 2215 | if ((tmp = save_pers(self, args, self->pers_func)) != 0) { |
| 2216 | res = tmp; |
| 2217 | goto finally; |
| 2218 | } |
| 2219 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2220 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2221 | if (args == Py_None) { |
| 2222 | res = save_none(self, args); |
| 2223 | goto finally; |
| 2224 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2225 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2226 | type = args->ob_type; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2227 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2228 | switch (type->tp_name[0]) { |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 2229 | case 'b': |
| 2230 | if (args == Py_False || args == Py_True) { |
| 2231 | res = save_bool(self, args); |
| 2232 | goto finally; |
| 2233 | } |
| 2234 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2235 | case 'i': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2236 | if (type == &PyInt_Type) { |
| 2237 | res = save_int(self, args); |
| 2238 | goto finally; |
| 2239 | } |
| 2240 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2241 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2242 | case 'l': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2243 | if (type == &PyLong_Type) { |
| 2244 | res = save_long(self, args); |
| 2245 | goto finally; |
| 2246 | } |
| 2247 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2248 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2249 | case 'f': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2250 | if (type == &PyFloat_Type) { |
| 2251 | res = save_float(self, args); |
| 2252 | goto finally; |
| 2253 | } |
| 2254 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2255 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2256 | case 't': |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 2257 | if (type == &PyTuple_Type && PyTuple_Size(args) == 0) { |
| 2258 | res = save_tuple(self, args); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2259 | goto finally; |
| 2260 | } |
| 2261 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2262 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2263 | case 's': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2264 | if ((type == &PyString_Type) && (PyString_GET_SIZE(args) < 2)) { |
| 2265 | res = save_string(self, args, 0); |
| 2266 | goto finally; |
| 2267 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2268 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2269 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2270 | case 'u': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2271 | if ((type == &PyUnicode_Type) && (PyString_GET_SIZE(args) < 2)) { |
| 2272 | res = save_unicode(self, args, 0); |
| 2273 | goto finally; |
| 2274 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2275 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2276 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2277 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2278 | if (args->ob_refcnt > 1) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2279 | if (!( py_ob_id = PyLong_FromVoidPtr(args))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2280 | goto finally; |
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 | if (PyDict_GetItem(self->memo, py_ob_id)) { |
| 2283 | if (get(self, py_ob_id) < 0) |
| 2284 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2285 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2286 | res = 0; |
| 2287 | goto finally; |
| 2288 | } |
| 2289 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2290 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2291 | switch (type->tp_name[0]) { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2292 | case 's': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2293 | if (type == &PyString_Type) { |
| 2294 | res = save_string(self, args, 1); |
| 2295 | goto finally; |
| 2296 | } |
| 2297 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2298 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2299 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2300 | case 'u': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2301 | if (type == &PyUnicode_Type) { |
| 2302 | res = save_unicode(self, args, 1); |
| 2303 | goto finally; |
| 2304 | } |
| 2305 | break; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2306 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2307 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2308 | case 't': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2309 | if (type == &PyTuple_Type) { |
| 2310 | res = save_tuple(self, args); |
| 2311 | goto finally; |
| 2312 | } |
| 2313 | if (type == &PyType_Type) { |
| 2314 | res = save_global(self, args, NULL); |
| 2315 | goto finally; |
| 2316 | } |
| 2317 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2318 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2319 | case 'l': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2320 | if (type == &PyList_Type) { |
| 2321 | res = save_list(self, args); |
| 2322 | goto finally; |
| 2323 | } |
| 2324 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2325 | |
| 2326 | case 'd': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2327 | if (type == &PyDict_Type) { |
| 2328 | res = save_dict(self, args); |
| 2329 | goto finally; |
| 2330 | } |
| 2331 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2332 | |
| 2333 | case 'i': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2334 | if (type == &PyInstance_Type) { |
| 2335 | res = save_inst(self, args); |
| 2336 | goto finally; |
| 2337 | } |
| 2338 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2339 | |
| 2340 | case 'c': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2341 | if (type == &PyClass_Type) { |
| 2342 | res = save_global(self, args, NULL); |
| 2343 | goto finally; |
| 2344 | } |
| 2345 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2346 | |
| 2347 | case 'f': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2348 | if (type == &PyFunction_Type) { |
| 2349 | res = save_global(self, args, NULL); |
| 2350 | goto finally; |
| 2351 | } |
| 2352 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2353 | |
| 2354 | case 'b': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2355 | if (type == &PyCFunction_Type) { |
| 2356 | res = save_global(self, args, NULL); |
| 2357 | goto finally; |
| 2358 | } |
| 2359 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2360 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2361 | if (!pers_save && self->inst_pers_func) { |
| 2362 | if ((tmp = save_pers(self, args, self->inst_pers_func)) != 0) { |
| 2363 | res = tmp; |
| 2364 | goto finally; |
| 2365 | } |
| 2366 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2367 | |
Jeremy Hylton | 39c6116 | 2002-07-16 19:47:43 +0000 | [diff] [blame] | 2368 | if (PyType_IsSubtype(type, &PyType_Type)) { |
| 2369 | res = save_global(self, args, NULL); |
| 2370 | goto finally; |
| 2371 | } |
| 2372 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2373 | if ((__reduce__ = PyDict_GetItem(dispatch_table, (PyObject *)type))) { |
| 2374 | Py_INCREF(__reduce__); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2375 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2376 | Py_INCREF(args); |
| 2377 | ARG_TUP(self, args); |
| 2378 | if (self->arg) { |
| 2379 | t = PyObject_Call(__reduce__, self->arg, NULL); |
| 2380 | FREE_ARG_TUP(self); |
| 2381 | } |
| 2382 | if (! t) goto finally; |
| 2383 | } |
| 2384 | else { |
| 2385 | PyErr_Clear(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2386 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2387 | if ((__reduce__ = PyObject_GetAttr(args, __reduce___str))) { |
| 2388 | t = PyObject_Call(__reduce__, empty_tuple, NULL); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2389 | if (!t) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2390 | goto finally; |
| 2391 | } |
| 2392 | else { |
| 2393 | PyErr_Clear(); |
| 2394 | } |
| 2395 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2396 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2397 | if (t) { |
| 2398 | if (PyString_Check(t)) { |
| 2399 | res = save_global(self, args, t); |
| 2400 | goto finally; |
| 2401 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2402 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2403 | if (!PyTuple_Check(t)) { |
| 2404 | cPickle_ErrFormat(PicklingError, "Value returned by %s must " |
| 2405 | "be a tuple", "O", __reduce__); |
| 2406 | goto finally; |
| 2407 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2408 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2409 | size = PyTuple_Size(t); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2410 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2411 | if ((size != 3) && (size != 2)) { |
| 2412 | cPickle_ErrFormat(PicklingError, "tuple returned by %s must " |
| 2413 | "contain only two or three elements", "O", __reduce__); |
| 2414 | goto finally; |
| 2415 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2416 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2417 | callable = PyTuple_GET_ITEM(t, 0); |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 2418 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2419 | arg_tup = PyTuple_GET_ITEM(t, 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2420 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2421 | if (size > 2) { |
| 2422 | state = PyTuple_GET_ITEM(t, 2); |
Guido van Rossum | 8e0ad0c | 2003-01-31 21:10:31 +0000 | [diff] [blame] | 2423 | if (state == Py_None) |
| 2424 | state = NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2425 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2426 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2427 | if (!( PyTuple_Check(arg_tup) || arg_tup==Py_None )) { |
| 2428 | cPickle_ErrFormat(PicklingError, "Second element of tuple " |
| 2429 | "returned by %s must be a tuple", "O", __reduce__); |
| 2430 | goto finally; |
| 2431 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2432 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2433 | res = save_reduce(self, callable, arg_tup, state, args); |
| 2434 | goto finally; |
| 2435 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2436 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2437 | PyErr_SetObject(UnpickleableError, args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2438 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2439 | finally: |
Martin v. Löwis | 5a39530 | 2002-08-04 08:20:23 +0000 | [diff] [blame] | 2440 | self->nesting--; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2441 | Py_XDECREF(py_ob_id); |
| 2442 | Py_XDECREF(__reduce__); |
| 2443 | Py_XDECREF(t); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2444 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2445 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2446 | } |
| 2447 | |
| 2448 | |
| 2449 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2450 | dump(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2451 | { |
| 2452 | static char stop = STOP; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2453 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 2454 | if (self->proto >= 2) { |
| 2455 | char bytes[2]; |
| 2456 | |
| 2457 | bytes[0] = PROTO; |
Tim Peters | 87482ea | 2003-02-02 16:16:30 +0000 | [diff] [blame] | 2458 | assert(self->proto >= 0 && self->proto < 256); |
| 2459 | bytes[1] = (char)self->proto; |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 2460 | if (self->write_func(self, bytes, 2) < 0) |
| 2461 | return -1; |
| 2462 | } |
| 2463 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2464 | if (save(self, args, 0) < 0) |
| 2465 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2466 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 2467 | if (self->write_func(self, &stop, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2468 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2469 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 2470 | if (self->write_func(self, NULL, 0) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2471 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2472 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2473 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2474 | } |
| 2475 | |
| 2476 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2477 | Pickle_clear_memo(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2478 | { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2479 | if (self->memo) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2480 | PyDict_Clear(self->memo); |
| 2481 | Py_INCREF(Py_None); |
| 2482 | return Py_None; |
| 2483 | } |
| 2484 | |
| 2485 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2486 | Pickle_getvalue(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2487 | { |
| 2488 | int l, i, rsize, ssize, clear=1, lm; |
| 2489 | long ik; |
| 2490 | PyObject *k, *r; |
| 2491 | char *s, *p, *have_get; |
| 2492 | Pdata *data; |
| 2493 | |
| 2494 | /* Can be called by Python code or C code */ |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2495 | if (args && !PyArg_ParseTuple(args, "|i:getvalue", &clear)) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2496 | return NULL; |
| 2497 | |
| 2498 | /* Check to make sure we are based on a list */ |
| 2499 | if (! Pdata_Check(self->file)) { |
| 2500 | PyErr_SetString(PicklingError, |
| 2501 | "Attempt to getvalue() a non-list-based pickler"); |
| 2502 | return NULL; |
| 2503 | } |
| 2504 | |
| 2505 | /* flush write buffer */ |
| 2506 | if (write_other(self, NULL, 0) < 0) return NULL; |
| 2507 | |
| 2508 | data=(Pdata*)self->file; |
| 2509 | l=data->length; |
| 2510 | |
| 2511 | /* set up an array to hold get/put status */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2512 | lm = PyDict_Size(self->memo); |
| 2513 | if (lm < 0) return NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2514 | lm++; |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2515 | have_get = malloc(lm); |
| 2516 | if (have_get == NULL) return PyErr_NoMemory(); |
| 2517 | memset(have_get, 0, lm); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2518 | |
| 2519 | /* Scan for gets. */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2520 | for (rsize = 0, i = l; --i >= 0; ) { |
| 2521 | k = data->data[i]; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2522 | |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2523 | if (PyString_Check(k)) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2524 | rsize += PyString_GET_SIZE(k); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2525 | |
| 2526 | else if (PyInt_Check(k)) { /* put */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2527 | ik = PyInt_AS_LONG((PyIntObject*)k); |
| 2528 | if (ik >= lm || ik == 0) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2529 | PyErr_SetString(PicklingError, |
| 2530 | "Invalid get data"); |
| 2531 | return NULL; |
| 2532 | } |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2533 | if (have_get[ik]) /* with matching get */ |
| 2534 | rsize += ik < 256 ? 2 : 5; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2535 | } |
| 2536 | |
| 2537 | else if (! (PyTuple_Check(k) && |
| 2538 | PyTuple_GET_SIZE(k) == 2 && |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2539 | PyInt_Check((k = PyTuple_GET_ITEM(k, 0)))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2540 | ) { |
| 2541 | PyErr_SetString(PicklingError, |
| 2542 | "Unexpected data in internal list"); |
| 2543 | return NULL; |
| 2544 | } |
| 2545 | |
| 2546 | else { /* put */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2547 | ik = PyInt_AS_LONG((PyIntObject *)k); |
| 2548 | if (ik >= lm || ik == 0) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2549 | PyErr_SetString(PicklingError, |
| 2550 | "Invalid get data"); |
| 2551 | return NULL; |
| 2552 | } |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2553 | have_get[ik] = 1; |
| 2554 | rsize += ik < 256 ? 2 : 5; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2555 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2556 | } |
| 2557 | |
| 2558 | /* Now generate the result */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2559 | r = PyString_FromStringAndSize(NULL, rsize); |
| 2560 | if (r == NULL) goto err; |
| 2561 | s = PyString_AS_STRING((PyStringObject *)r); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2562 | |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2563 | for (i = 0; i < l; i++) { |
| 2564 | k = data->data[i]; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2565 | |
| 2566 | if (PyString_Check(k)) { |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2567 | ssize = PyString_GET_SIZE(k); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2568 | if (ssize) { |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2569 | p=PyString_AS_STRING((PyStringObject *)k); |
| 2570 | while (--ssize >= 0) |
| 2571 | *s++ = *p++; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2572 | } |
| 2573 | } |
| 2574 | |
| 2575 | else if (PyTuple_Check(k)) { /* get */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2576 | ik = PyInt_AS_LONG((PyIntObject *) |
| 2577 | PyTuple_GET_ITEM(k, 0)); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2578 | if (ik < 256) { |
| 2579 | *s++ = BINGET; |
| 2580 | *s++ = (int)(ik & 0xff); |
| 2581 | } |
| 2582 | else { |
| 2583 | *s++ = LONG_BINGET; |
| 2584 | *s++ = (int)(ik & 0xff); |
| 2585 | *s++ = (int)((ik >> 8) & 0xff); |
| 2586 | *s++ = (int)((ik >> 16) & 0xff); |
| 2587 | *s++ = (int)((ik >> 24) & 0xff); |
| 2588 | } |
| 2589 | } |
| 2590 | |
| 2591 | else { /* put */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2592 | ik = PyInt_AS_LONG((PyIntObject*)k); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2593 | |
| 2594 | if (have_get[ik]) { /* with matching get */ |
| 2595 | if (ik < 256) { |
| 2596 | *s++ = BINPUT; |
| 2597 | *s++ = (int)(ik & 0xff); |
| 2598 | } |
| 2599 | else { |
| 2600 | *s++ = LONG_BINPUT; |
| 2601 | *s++ = (int)(ik & 0xff); |
| 2602 | *s++ = (int)((ik >> 8) & 0xff); |
| 2603 | *s++ = (int)((ik >> 16) & 0xff); |
| 2604 | *s++ = (int)((ik >> 24) & 0xff); |
| 2605 | } |
| 2606 | } |
| 2607 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2608 | } |
| 2609 | |
| 2610 | if (clear) { |
| 2611 | PyDict_Clear(self->memo); |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2612 | Pdata_clear(data, 0); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2613 | } |
| 2614 | |
| 2615 | free(have_get); |
| 2616 | return r; |
| 2617 | err: |
| 2618 | free(have_get); |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2619 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2620 | } |
| 2621 | |
| 2622 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2623 | Pickler_dump(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2624 | { |
| 2625 | PyObject *ob; |
| 2626 | int get=0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2627 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2628 | if (!( PyArg_ParseTuple(args, "O|i:dump", &ob, &get))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2629 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2630 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2631 | if (dump(self, ob) < 0) |
| 2632 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2633 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2634 | if (get) return Pickle_getvalue(self, NULL); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2635 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2636 | /* XXX Why does dump() return self? */ |
| 2637 | Py_INCREF(self); |
| 2638 | return (PyObject*)self; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2639 | } |
| 2640 | |
| 2641 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2642 | static struct PyMethodDef Pickler_methods[] = |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2643 | { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 2644 | {"dump", (PyCFunction)Pickler_dump, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 2645 | PyDoc_STR("dump(object) -- " |
| 2646 | "Write an object in pickle format to the object's pickle stream")}, |
Fred Drake | 0ebacc8 | 2002-05-01 20:36:39 +0000 | [diff] [blame] | 2647 | {"clear_memo", (PyCFunction)Pickle_clear_memo, METH_NOARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 2648 | PyDoc_STR("clear_memo() -- Clear the picklers memo")}, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 2649 | {"getvalue", (PyCFunction)Pickle_getvalue, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 2650 | PyDoc_STR("getvalue() -- Finish picking a list-based pickle")}, |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2651 | {NULL, NULL} /* sentinel */ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2652 | }; |
| 2653 | |
| 2654 | |
| 2655 | static Picklerobject * |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2656 | newPicklerobject(PyObject *file, int proto) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2657 | { |
| 2658 | Picklerobject *self; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2659 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2660 | if (proto < 0) |
| 2661 | proto = CURRENT_PROTOCOL_NUMBER; |
| 2662 | if (proto > CURRENT_PROTOCOL_NUMBER) { |
| 2663 | PyErr_Format(PyExc_ValueError, "pickle protocol %d asked for; " |
| 2664 | "the highest available protocol is %d", |
| 2665 | proto, CURRENT_PROTOCOL_NUMBER); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2666 | return NULL; |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2667 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2668 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2669 | self = PyObject_New(Picklerobject, &Picklertype); |
| 2670 | if (self == NULL) |
| 2671 | return NULL; |
| 2672 | self->proto = proto; |
| 2673 | self->bin = proto > 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2674 | self->fp = NULL; |
| 2675 | self->write = NULL; |
| 2676 | self->memo = NULL; |
| 2677 | self->arg = NULL; |
| 2678 | self->pers_func = NULL; |
| 2679 | self->inst_pers_func = NULL; |
| 2680 | self->write_buf = NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2681 | self->fast = 0; |
Martin v. Löwis | 5a39530 | 2002-08-04 08:20:23 +0000 | [diff] [blame] | 2682 | self->nesting = 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2683 | self->fast_container = 0; |
| 2684 | self->fast_memo = NULL; |
| 2685 | self->buf_size = 0; |
| 2686 | self->dispatch_table = NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2687 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2688 | self->file = NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2689 | if (file) |
| 2690 | Py_INCREF(file); |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2691 | else { |
| 2692 | file = Pdata_New(); |
| 2693 | if (file == NULL) |
| 2694 | goto err; |
| 2695 | } |
| 2696 | self->file = file; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2697 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2698 | if (!( self->memo = PyDict_New())) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2699 | goto err; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2700 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2701 | if (PyFile_Check(file)) { |
| 2702 | self->fp = PyFile_AsFile(file); |
| 2703 | if (self->fp == NULL) { |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2704 | PyErr_SetString(PyExc_ValueError, |
| 2705 | "I/O operation on closed file"); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2706 | goto err; |
| 2707 | } |
| 2708 | self->write_func = write_file; |
Guido van Rossum | c91fcaa | 1999-03-29 20:00:14 +0000 | [diff] [blame] | 2709 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2710 | else if (PycStringIO_OutputCheck(file)) { |
| 2711 | self->write_func = write_cStringIO; |
| 2712 | } |
| 2713 | else if (file == Py_None) { |
| 2714 | self->write_func = write_none; |
| 2715 | } |
| 2716 | else { |
| 2717 | self->write_func = write_other; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2718 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2719 | if (! Pdata_Check(file)) { |
| 2720 | self->write = PyObject_GetAttr(file, write_str); |
| 2721 | if (!self->write) { |
| 2722 | PyErr_Clear(); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2723 | PyErr_SetString(PyExc_TypeError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2724 | "argument must have 'write' " |
| 2725 | "attribute"); |
| 2726 | goto err; |
| 2727 | } |
| 2728 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2729 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2730 | self->write_buf = (char *)PyMem_Malloc(WRITE_BUF_SIZE); |
| 2731 | if (self->write_buf == NULL) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2732 | PyErr_NoMemory(); |
| 2733 | goto err; |
| 2734 | } |
| 2735 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2736 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2737 | if (PyEval_GetRestricted()) { |
| 2738 | /* Restricted execution, get private tables */ |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 2739 | PyObject *m = PyImport_Import(copy_reg_str); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2740 | |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 2741 | if (m == NULL) |
| 2742 | goto err; |
| 2743 | self->dispatch_table = PyObject_GetAttr(m, dispatch_table_str); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2744 | Py_DECREF(m); |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 2745 | if (self->dispatch_table == NULL) |
| 2746 | goto err; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2747 | } |
| 2748 | else { |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 2749 | self->dispatch_table = dispatch_table; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2750 | Py_INCREF(dispatch_table); |
| 2751 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2752 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2753 | return self; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2754 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2755 | err: |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2756 | Py_DECREF(self); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2757 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2758 | } |
| 2759 | |
| 2760 | |
| 2761 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2762 | get_Pickler(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2763 | { |
| 2764 | PyObject *file = NULL; |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2765 | int proto = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2766 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2767 | /* XXX What is this doing? The documented signature is |
| 2768 | * XXX Pickler(file, proto=0), but this accepts Pickler() and |
| 2769 | * XXX Pickler(integer) too. The meaning then is clear as mud. |
| 2770 | * XXX Bug? Feature? |
| 2771 | */ |
| 2772 | if (!PyArg_ParseTuple(args, "|i:Pickler", &proto)) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2773 | PyErr_Clear(); |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2774 | proto = 0; |
| 2775 | if (!PyArg_ParseTuple(args, "O|i:Pickler", &file, &proto)) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2776 | return NULL; |
| 2777 | } |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2778 | return (PyObject *)newPicklerobject(file, proto); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2779 | } |
| 2780 | |
| 2781 | |
| 2782 | static void |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2783 | Pickler_dealloc(Picklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2784 | { |
| 2785 | Py_XDECREF(self->write); |
| 2786 | Py_XDECREF(self->memo); |
| 2787 | Py_XDECREF(self->fast_memo); |
| 2788 | Py_XDECREF(self->arg); |
| 2789 | Py_XDECREF(self->file); |
| 2790 | Py_XDECREF(self->pers_func); |
| 2791 | Py_XDECREF(self->inst_pers_func); |
| 2792 | Py_XDECREF(self->dispatch_table); |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2793 | PyMem_Free(self->write_buf); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2794 | PyObject_Del(self); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2795 | } |
| 2796 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2797 | static PyObject * |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2798 | Pickler_get_pers_func(Picklerobject *p) |
| 2799 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2800 | if (p->pers_func == NULL) |
| 2801 | PyErr_SetString(PyExc_AttributeError, "persistent_id"); |
| 2802 | else |
| 2803 | Py_INCREF(p->pers_func); |
| 2804 | return p->pers_func; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2805 | } |
| 2806 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2807 | static int |
| 2808 | Pickler_set_pers_func(Picklerobject *p, PyObject *v) |
| 2809 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2810 | if (v == NULL) { |
| 2811 | PyErr_SetString(PyExc_TypeError, |
| 2812 | "attribute deletion is not supported"); |
| 2813 | return -1; |
| 2814 | } |
| 2815 | Py_XDECREF(p->pers_func); |
| 2816 | Py_INCREF(v); |
| 2817 | p->pers_func = v; |
| 2818 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2819 | } |
| 2820 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2821 | static int |
| 2822 | Pickler_set_inst_pers_func(Picklerobject *p, PyObject *v) |
| 2823 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2824 | if (v == NULL) { |
| 2825 | PyErr_SetString(PyExc_TypeError, |
| 2826 | "attribute deletion is not supported"); |
| 2827 | return -1; |
| 2828 | } |
| 2829 | Py_XDECREF(p->inst_pers_func); |
| 2830 | Py_INCREF(v); |
| 2831 | p->inst_pers_func = v; |
| 2832 | return 0; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2833 | } |
| 2834 | |
| 2835 | static PyObject * |
| 2836 | Pickler_get_memo(Picklerobject *p) |
| 2837 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2838 | if (p->memo == NULL) |
| 2839 | PyErr_SetString(PyExc_AttributeError, "memo"); |
| 2840 | else |
| 2841 | Py_INCREF(p->memo); |
| 2842 | return p->memo; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2843 | } |
| 2844 | |
| 2845 | static int |
| 2846 | Pickler_set_memo(Picklerobject *p, PyObject *v) |
| 2847 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2848 | if (v == NULL) { |
| 2849 | PyErr_SetString(PyExc_TypeError, |
| 2850 | "attribute deletion is not supported"); |
| 2851 | return -1; |
| 2852 | } |
| 2853 | if (!PyDict_Check(v)) { |
| 2854 | PyErr_SetString(PyExc_TypeError, "memo must be a dictionary"); |
| 2855 | return -1; |
| 2856 | } |
| 2857 | Py_XDECREF(p->memo); |
| 2858 | Py_INCREF(v); |
| 2859 | p->memo = v; |
| 2860 | return 0; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2861 | } |
| 2862 | |
| 2863 | static PyObject * |
| 2864 | Pickler_get_error(Picklerobject *p) |
| 2865 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2866 | /* why is this an attribute on the Pickler? */ |
| 2867 | Py_INCREF(PicklingError); |
| 2868 | return PicklingError; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2869 | } |
| 2870 | |
| 2871 | static PyMemberDef Pickler_members[] = { |
| 2872 | {"binary", T_INT, offsetof(Picklerobject, bin)}, |
| 2873 | {"fast", T_INT, offsetof(Picklerobject, fast)}, |
Jeremy Hylton | 3eb46f3 | 2001-10-16 17:10:49 +0000 | [diff] [blame] | 2874 | {NULL} |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2875 | }; |
| 2876 | |
| 2877 | static PyGetSetDef Pickler_getsets[] = { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2878 | {"persistent_id", (getter)Pickler_get_pers_func, |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2879 | (setter)Pickler_set_pers_func}, |
| 2880 | {"inst_persistent_id", NULL, (setter)Pickler_set_inst_pers_func}, |
| 2881 | {"memo", (getter)Pickler_get_memo, (setter)Pickler_set_memo}, |
Jeremy Hylton | 3eb46f3 | 2001-10-16 17:10:49 +0000 | [diff] [blame] | 2882 | {"PicklingError", (getter)Pickler_get_error, NULL}, |
| 2883 | {NULL} |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2884 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2885 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 2886 | PyDoc_STRVAR(Picklertype__doc__, |
| 2887 | "Objects that know how to pickle objects\n"); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2888 | |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 2889 | static PyTypeObject Picklertype = { |
| 2890 | PyObject_HEAD_INIT(NULL) |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2891 | 0, /*ob_size*/ |
Guido van Rossum | 1464839 | 2001-12-08 18:02:58 +0000 | [diff] [blame] | 2892 | "cPickle.Pickler", /*tp_name*/ |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2893 | sizeof(Picklerobject), /*tp_basicsize*/ |
| 2894 | 0, |
| 2895 | (destructor)Pickler_dealloc, /* tp_dealloc */ |
| 2896 | 0, /* tp_print */ |
| 2897 | 0, /* tp_getattr */ |
| 2898 | 0, /* tp_setattr */ |
| 2899 | 0, /* tp_compare */ |
| 2900 | 0, /* tp_repr */ |
| 2901 | 0, /* tp_as_number */ |
| 2902 | 0, /* tp_as_sequence */ |
| 2903 | 0, /* tp_as_mapping */ |
| 2904 | 0, /* tp_hash */ |
| 2905 | 0, /* tp_call */ |
| 2906 | 0, /* tp_str */ |
Jason Tishler | fb8595d | 2003-01-06 12:41:26 +0000 | [diff] [blame] | 2907 | PyObject_GenericGetAttr, /* tp_getattro */ |
| 2908 | PyObject_GenericSetAttr, /* tp_setattro */ |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2909 | 0, /* tp_as_buffer */ |
| 2910 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */ |
| 2911 | Picklertype__doc__, /* tp_doc */ |
| 2912 | 0, /* tp_traverse */ |
| 2913 | 0, /* tp_clear */ |
| 2914 | 0, /* tp_richcompare */ |
| 2915 | 0, /* tp_weaklistoffset */ |
| 2916 | 0, /* tp_iter */ |
| 2917 | 0, /* tp_iternext */ |
| 2918 | Pickler_methods, /* tp_methods */ |
| 2919 | Pickler_members, /* tp_members */ |
| 2920 | Pickler_getsets, /* tp_getset */ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 2921 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2922 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2923 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2924 | 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] | 2925 | { |
| 2926 | PyObject *global = 0, *module; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2927 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2928 | if (fc) { |
| 2929 | if (fc==Py_None) { |
| 2930 | PyErr_SetString(UnpicklingError, |
| 2931 | "Global and instance pickles are not supported."); |
| 2932 | return NULL; |
| 2933 | } |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2934 | return PyObject_CallFunction(fc, "OO", py_module_name, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2935 | py_global_name); |
| 2936 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 2937 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2938 | module = PySys_GetObject("modules"); |
| 2939 | if (module == NULL) |
| 2940 | return NULL; |
Jeremy Hylton | d105523 | 1998-08-11 19:52:51 +0000 | [diff] [blame] | 2941 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2942 | module = PyDict_GetItem(module, py_module_name); |
| 2943 | if (module == NULL) { |
| 2944 | module = PyImport_Import(py_module_name); |
| 2945 | if (!module) |
| 2946 | return NULL; |
| 2947 | global = PyObject_GetAttr(module, py_global_name); |
| 2948 | Py_DECREF(module); |
| 2949 | } |
| 2950 | else |
| 2951 | global = PyObject_GetAttr(module, py_global_name); |
| 2952 | return global; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2953 | } |
| 2954 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2955 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2956 | marker(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2957 | { |
| 2958 | if (self->num_marks < 1) { |
| 2959 | PyErr_SetString(UnpicklingError, "could not find MARK"); |
| 2960 | return -1; |
| 2961 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2962 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2963 | return self->marks[--self->num_marks]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2964 | } |
| 2965 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2966 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2967 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2968 | load_none(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2969 | { |
| 2970 | PDATA_APPEND(self->stack, Py_None, -1); |
| 2971 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2972 | } |
| 2973 | |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 2974 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2975 | bad_readline(void) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2976 | { |
| 2977 | PyErr_SetString(UnpicklingError, "pickle data was truncated"); |
| 2978 | return -1; |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 2979 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2980 | |
| 2981 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2982 | load_int(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2983 | { |
| 2984 | PyObject *py_int = 0; |
| 2985 | char *endptr, *s; |
| 2986 | int len, res = -1; |
| 2987 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2988 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2989 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2990 | if (len < 2) return bad_readline(); |
| 2991 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2992 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2993 | errno = 0; |
| 2994 | l = strtol(s, &endptr, 0); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2995 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2996 | if (errno || (*endptr != '\n') || (endptr[1] != '\0')) { |
| 2997 | /* Hm, maybe we've got something long. Let's try reading |
| 2998 | it as a Python long object. */ |
| 2999 | errno = 0; |
| 3000 | py_int = PyLong_FromString(s, NULL, 0); |
| 3001 | if (py_int == NULL) { |
| 3002 | PyErr_SetString(PyExc_ValueError, |
| 3003 | "could not convert string to int"); |
| 3004 | goto finally; |
| 3005 | } |
| 3006 | } |
| 3007 | else { |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 3008 | if (len == 3 && (l == 0 || l == 1)) { |
| 3009 | if (!( py_int = PyBool_FromLong(l))) goto finally; |
| 3010 | } |
| 3011 | else { |
| 3012 | if (!( py_int = PyInt_FromLong(l))) goto finally; |
| 3013 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3014 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3015 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3016 | free(s); |
| 3017 | PDATA_PUSH(self->stack, py_int, -1); |
| 3018 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3019 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3020 | finally: |
| 3021 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3022 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3023 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3024 | } |
| 3025 | |
Tim Peters | 3c67d79 | 2003-02-02 17:59:11 +0000 | [diff] [blame] | 3026 | static int |
| 3027 | load_bool(Unpicklerobject *self, PyObject *boolean) |
| 3028 | { |
| 3029 | assert(boolean == Py_True || boolean == Py_False); |
Tim Peters | e0a3907 | 2003-02-03 15:45:56 +0000 | [diff] [blame] | 3030 | PDATA_APPEND(self->stack, boolean, -1); |
Tim Peters | 3c67d79 | 2003-02-02 17:59:11 +0000 | [diff] [blame] | 3031 | return 0; |
| 3032 | } |
| 3033 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 3034 | /* s contains x bytes of a little-endian integer. Return its value as a |
| 3035 | * C int. Obscure: when x is 1 or 2, this is an unsigned little-endian |
| 3036 | * int, but when x is 4 it's a signed one. This is an historical source |
| 3037 | * of x-platform bugs. |
| 3038 | */ |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3039 | static long |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 3040 | calc_binint(char *s, int x) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3041 | { |
| 3042 | unsigned char c; |
| 3043 | int i; |
| 3044 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3045 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3046 | for (i = 0, l = 0L; i < x; i++) { |
| 3047 | c = (unsigned char)s[i]; |
| 3048 | l |= (long)c << (i * 8); |
| 3049 | } |
Tim Peters | bfa18f7 | 2001-04-10 01:54:42 +0000 | [diff] [blame] | 3050 | #if SIZEOF_LONG > 4 |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3051 | /* Unlike BININT1 and BININT2, BININT (more accurately BININT4) |
| 3052 | * is signed, so on a box with longs bigger than 4 bytes we need |
| 3053 | * to extend a BININT's sign bit to the full width. |
| 3054 | */ |
| 3055 | if (x == 4 && l & (1L << 31)) |
| 3056 | l |= (~0L) << 32; |
Tim Peters | bfa18f7 | 2001-04-10 01:54:42 +0000 | [diff] [blame] | 3057 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3058 | return l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3059 | } |
| 3060 | |
| 3061 | |
| 3062 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3063 | load_binintx(Unpicklerobject *self, char *s, int x) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3064 | { |
| 3065 | PyObject *py_int = 0; |
| 3066 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3067 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3068 | l = calc_binint(s, x); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3069 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3070 | if (!( py_int = PyInt_FromLong(l))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3071 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3072 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3073 | PDATA_PUSH(self->stack, py_int, -1); |
| 3074 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3075 | } |
| 3076 | |
| 3077 | |
| 3078 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3079 | load_binint(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3080 | { |
| 3081 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3082 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3083 | if (self->read_func(self, &s, 4) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3084 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3085 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3086 | return load_binintx(self, s, 4); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3087 | } |
| 3088 | |
| 3089 | |
| 3090 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3091 | load_binint1(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3092 | { |
| 3093 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3094 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3095 | if (self->read_func(self, &s, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3096 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3097 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3098 | return load_binintx(self, s, 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3099 | } |
| 3100 | |
| 3101 | |
| 3102 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3103 | load_binint2(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3104 | { |
| 3105 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3106 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3107 | if (self->read_func(self, &s, 2) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3108 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3109 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3110 | return load_binintx(self, s, 2); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3111 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3112 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3113 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3114 | load_long(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3115 | { |
| 3116 | PyObject *l = 0; |
| 3117 | char *end, *s; |
| 3118 | int len, res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3119 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3120 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3121 | if (len < 2) return bad_readline(); |
| 3122 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3123 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3124 | if (!( l = PyLong_FromString(s, &end, 0))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3125 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3126 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3127 | free(s); |
| 3128 | PDATA_PUSH(self->stack, l, -1); |
| 3129 | return 0; |
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 | finally: |
| 3132 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3133 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3134 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3135 | } |
| 3136 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 3137 | /* 'size' bytes contain the # of bytes of little-endian 256's-complement |
| 3138 | * data following. |
| 3139 | */ |
| 3140 | static int |
| 3141 | load_counted_long(Unpicklerobject *self, int size) |
| 3142 | { |
| 3143 | int i; |
| 3144 | char *nbytes; |
| 3145 | unsigned char *pdata; |
| 3146 | PyObject *along; |
| 3147 | |
| 3148 | assert(size == 1 || size == 4); |
| 3149 | i = self->read_func(self, &nbytes, size); |
| 3150 | if (i < 0) return -1; |
| 3151 | |
| 3152 | size = calc_binint(nbytes, size); |
| 3153 | if (size < 0) { |
| 3154 | /* Corrupt or hostile pickle -- we never write one like |
| 3155 | * this. |
| 3156 | */ |
Tim Peters | 0c7c48e | 2003-02-03 22:07:24 +0000 | [diff] [blame] | 3157 | PyErr_SetString(UnpicklingError, "LONG pickle has negative " |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 3158 | "byte count"); |
| 3159 | return -1; |
| 3160 | } |
| 3161 | |
| 3162 | if (size == 0) |
| 3163 | along = PyLong_FromLong(0L); |
| 3164 | else { |
| 3165 | /* Read the raw little-endian bytes & convert. */ |
Neal Norwitz | 529baf2 | 2003-02-02 17:08:33 +0000 | [diff] [blame] | 3166 | i = self->read_func(self, (char **)&pdata, size); |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 3167 | if (i < 0) return -1; |
| 3168 | along = _PyLong_FromByteArray(pdata, (size_t)size, |
| 3169 | 1 /* little endian */, 1 /* signed */); |
| 3170 | } |
| 3171 | if (along == NULL) |
| 3172 | return -1; |
| 3173 | PDATA_PUSH(self->stack, along, -1); |
| 3174 | return 0; |
| 3175 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3176 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3177 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3178 | load_float(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3179 | { |
| 3180 | PyObject *py_float = 0; |
| 3181 | char *endptr, *s; |
| 3182 | int len, res = -1; |
| 3183 | double d; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3184 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3185 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3186 | if (len < 2) return bad_readline(); |
| 3187 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3188 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3189 | errno = 0; |
| 3190 | d = strtod(s, &endptr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3191 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3192 | if (errno || (endptr[0] != '\n') || (endptr[1] != '\0')) { |
| 3193 | PyErr_SetString(PyExc_ValueError, |
| 3194 | "could not convert string to float"); |
| 3195 | goto finally; |
| 3196 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3197 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3198 | if (!( py_float = PyFloat_FromDouble(d))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3199 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3200 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3201 | free(s); |
| 3202 | PDATA_PUSH(self->stack, py_float, -1); |
| 3203 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3204 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3205 | finally: |
| 3206 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3207 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3208 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3209 | } |
| 3210 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3211 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3212 | load_binfloat(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3213 | { |
| 3214 | PyObject *py_float = 0; |
| 3215 | int s, e; |
| 3216 | long fhi, flo; |
| 3217 | double x; |
| 3218 | char *p; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3219 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3220 | if (self->read_func(self, &p, 8) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3221 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3222 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3223 | /* First byte */ |
| 3224 | s = (*p>>7) & 1; |
| 3225 | e = (*p & 0x7F) << 4; |
| 3226 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3227 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3228 | /* Second byte */ |
| 3229 | e |= (*p>>4) & 0xF; |
| 3230 | fhi = (*p & 0xF) << 24; |
| 3231 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3232 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3233 | /* Third byte */ |
| 3234 | fhi |= (*p & 0xFF) << 16; |
| 3235 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3236 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3237 | /* Fourth byte */ |
| 3238 | fhi |= (*p & 0xFF) << 8; |
| 3239 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3240 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3241 | /* Fifth byte */ |
| 3242 | fhi |= *p & 0xFF; |
| 3243 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3244 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3245 | /* Sixth byte */ |
| 3246 | flo = (*p & 0xFF) << 16; |
| 3247 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3248 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3249 | /* Seventh byte */ |
| 3250 | flo |= (*p & 0xFF) << 8; |
| 3251 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3252 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3253 | /* Eighth byte */ |
| 3254 | flo |= *p & 0xFF; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3255 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3256 | x = (double)fhi + (double)flo / 16777216.0; /* 2**24 */ |
| 3257 | x /= 268435456.0; /* 2**28 */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3258 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3259 | /* XXX This sadly ignores Inf/NaN */ |
| 3260 | if (e == 0) |
| 3261 | e = -1022; |
| 3262 | else { |
| 3263 | x += 1.0; |
| 3264 | e -= 1023; |
| 3265 | } |
| 3266 | x = ldexp(x, e); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3267 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3268 | if (s) |
| 3269 | x = -x; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3270 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3271 | if (!( py_float = PyFloat_FromDouble(x))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3272 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3273 | PDATA_PUSH(self->stack, py_float, -1); |
| 3274 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3275 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3276 | |
| 3277 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3278 | load_string(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3279 | { |
| 3280 | PyObject *str = 0; |
Martin v. Löwis | 8a8da79 | 2002-08-14 07:46:28 +0000 | [diff] [blame] | 3281 | int len, res = -1; |
| 3282 | char *s, *p; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3283 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3284 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3285 | if (len < 2) return bad_readline(); |
| 3286 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3287 | |
Martin v. Löwis | 8a8da79 | 2002-08-14 07:46:28 +0000 | [diff] [blame] | 3288 | |
| 3289 | /* Strip outermost quotes */ |
| 3290 | while (s[len-1] <= ' ') |
| 3291 | len--; |
| 3292 | if(s[0]=='"' && s[len-1]=='"'){ |
| 3293 | s[len-1] = '\0'; |
| 3294 | p = s + 1 ; |
| 3295 | len -= 2; |
| 3296 | } else if(s[0]=='\'' && s[len-1]=='\''){ |
| 3297 | s[len-1] = '\0'; |
| 3298 | p = s + 1 ; |
| 3299 | len -= 2; |
| 3300 | } else |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3301 | goto insecure; |
| 3302 | /********************************************/ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 3303 | |
Martin v. Löwis | 8a8da79 | 2002-08-14 07:46:28 +0000 | [diff] [blame] | 3304 | str = PyString_DecodeEscape(p, len, NULL, 0, NULL); |
| 3305 | if (str) { |
| 3306 | PDATA_PUSH(self->stack, str, -1); |
| 3307 | res = 0; |
| 3308 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3309 | free(s); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3310 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3311 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3312 | insecure: |
| 3313 | free(s); |
| 3314 | PyErr_SetString(PyExc_ValueError,"insecure string pickle"); |
| 3315 | return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3316 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3317 | |
| 3318 | |
| 3319 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3320 | load_binstring(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3321 | { |
| 3322 | PyObject *py_string = 0; |
| 3323 | long l; |
| 3324 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3325 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3326 | if (self->read_func(self, &s, 4) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3327 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3328 | l = calc_binint(s, 4); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3329 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3330 | if (self->read_func(self, &s, l) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3331 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3332 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3333 | if (!( py_string = PyString_FromStringAndSize(s, l))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3334 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3335 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3336 | PDATA_PUSH(self->stack, py_string, -1); |
| 3337 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3338 | } |
| 3339 | |
| 3340 | |
| 3341 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3342 | load_short_binstring(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3343 | { |
| 3344 | PyObject *py_string = 0; |
| 3345 | unsigned char l; |
| 3346 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3347 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3348 | if (self->read_func(self, &s, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3349 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3350 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3351 | l = (unsigned char)s[0]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3352 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3353 | if (self->read_func(self, &s, l) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3354 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3355 | if (!( py_string = PyString_FromStringAndSize(s, l))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3356 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3357 | PDATA_PUSH(self->stack, py_string, -1); |
| 3358 | return 0; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3359 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3360 | |
| 3361 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3362 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3363 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3364 | load_unicode(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3365 | { |
| 3366 | PyObject *str = 0; |
| 3367 | int len, res = -1; |
| 3368 | char *s; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3369 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3370 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3371 | if (len < 1) return bad_readline(); |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3372 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3373 | if (!( str = PyUnicode_DecodeRawUnicodeEscape(s, len - 1, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3374 | goto finally; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3375 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3376 | PDATA_PUSH(self->stack, str, -1); |
| 3377 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3378 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3379 | finally: |
| 3380 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3381 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3382 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3383 | |
| 3384 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3385 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3386 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3387 | load_binunicode(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3388 | { |
| 3389 | PyObject *unicode; |
| 3390 | long l; |
| 3391 | char *s; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3392 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3393 | if (self->read_func(self, &s, 4) < 0) return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3394 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3395 | l = calc_binint(s, 4); |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3396 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3397 | if (self->read_func(self, &s, l) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3398 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3399 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3400 | if (!( unicode = PyUnicode_DecodeUTF8(s, l, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3401 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3402 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3403 | PDATA_PUSH(self->stack, unicode, -1); |
| 3404 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3405 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3406 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3407 | |
| 3408 | |
| 3409 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3410 | load_tuple(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3411 | { |
| 3412 | PyObject *tup; |
| 3413 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3414 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3415 | if ((i = marker(self)) < 0) return -1; |
| 3416 | if (!( tup=Pdata_popTuple(self->stack, i))) return -1; |
| 3417 | PDATA_PUSH(self->stack, tup, -1); |
| 3418 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3419 | } |
| 3420 | |
| 3421 | static int |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 3422 | load_counted_tuple(Unpicklerobject *self, int len) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3423 | { |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 3424 | PyObject *tup = PyTuple_New(len); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3425 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 3426 | if (tup == NULL) |
| 3427 | return -1; |
| 3428 | |
| 3429 | while (--len >= 0) { |
| 3430 | PyObject *element; |
| 3431 | |
| 3432 | PDATA_POP(self->stack, element); |
| 3433 | if (element == NULL) |
| 3434 | return -1; |
| 3435 | PyTuple_SET_ITEM(tup, len, element); |
| 3436 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3437 | PDATA_PUSH(self->stack, tup, -1); |
| 3438 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3439 | } |
| 3440 | |
| 3441 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3442 | load_empty_list(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3443 | { |
| 3444 | PyObject *list; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3445 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3446 | if (!( list=PyList_New(0))) return -1; |
| 3447 | PDATA_PUSH(self->stack, list, -1); |
| 3448 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3449 | } |
| 3450 | |
| 3451 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3452 | load_empty_dict(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3453 | { |
| 3454 | PyObject *dict; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3455 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3456 | if (!( dict=PyDict_New())) return -1; |
| 3457 | PDATA_PUSH(self->stack, dict, -1); |
| 3458 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3459 | } |
| 3460 | |
| 3461 | |
| 3462 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3463 | load_list(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3464 | { |
| 3465 | PyObject *list = 0; |
| 3466 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3467 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3468 | if ((i = marker(self)) < 0) return -1; |
| 3469 | if (!( list=Pdata_popList(self->stack, i))) return -1; |
| 3470 | PDATA_PUSH(self->stack, list, -1); |
| 3471 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3472 | } |
| 3473 | |
| 3474 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3475 | load_dict(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3476 | { |
| 3477 | PyObject *dict, *key, *value; |
| 3478 | int i, j, k; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3479 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3480 | if ((i = marker(self)) < 0) return -1; |
| 3481 | j=self->stack->length; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3482 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3483 | if (!( dict = PyDict_New())) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3484 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3485 | for (k = i+1; k < j; k += 2) { |
| 3486 | key =self->stack->data[k-1]; |
| 3487 | value=self->stack->data[k ]; |
| 3488 | if (PyDict_SetItem(dict, key, value) < 0) { |
| 3489 | Py_DECREF(dict); |
| 3490 | return -1; |
| 3491 | } |
| 3492 | } |
| 3493 | Pdata_clear(self->stack, i); |
| 3494 | PDATA_PUSH(self->stack, dict, -1); |
| 3495 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3496 | } |
| 3497 | |
| 3498 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3499 | Instance_New(PyObject *cls, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3500 | { |
Tim Peters | 1f1b2d2 | 2003-02-01 02:16:37 +0000 | [diff] [blame] | 3501 | PyObject *r = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3502 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3503 | if (PyClass_Check(cls)) { |
| 3504 | int l; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3505 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3506 | if ((l=PyObject_Size(args)) < 0) goto err; |
| 3507 | if (!( l )) { |
| 3508 | PyObject *__getinitargs__; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3509 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3510 | __getinitargs__ = PyObject_GetAttr(cls, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3511 | __getinitargs___str); |
| 3512 | if (!__getinitargs__) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3513 | /* We have a class with no __getinitargs__, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3514 | so bypass usual construction */ |
| 3515 | PyObject *inst; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3516 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3517 | PyErr_Clear(); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3518 | if (!( inst=PyInstance_NewRaw(cls, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3519 | goto err; |
| 3520 | return inst; |
| 3521 | } |
| 3522 | Py_DECREF(__getinitargs__); |
| 3523 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3524 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3525 | if ((r=PyInstance_New(cls, args, NULL))) return r; |
| 3526 | else goto err; |
| 3527 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3528 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3529 | if (args==Py_None) { |
| 3530 | /* Special case, call cls.__basicnew__() */ |
| 3531 | PyObject *basicnew; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3532 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3533 | basicnew = PyObject_GetAttr(cls, __basicnew___str); |
| 3534 | if (!basicnew) return NULL; |
| 3535 | r=PyObject_CallObject(basicnew, NULL); |
| 3536 | Py_DECREF(basicnew); |
| 3537 | if (r) return r; |
| 3538 | } |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 3539 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3540 | if ((r=PyObject_CallObject(cls, args))) return r; |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 3541 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3542 | err: |
| 3543 | { |
| 3544 | PyObject *tp, *v, *tb; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3545 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3546 | PyErr_Fetch(&tp, &v, &tb); |
| 3547 | if ((r=Py_BuildValue("OOO",v,cls,args))) { |
| 3548 | Py_XDECREF(v); |
| 3549 | v=r; |
| 3550 | } |
| 3551 | PyErr_Restore(tp,v,tb); |
| 3552 | } |
| 3553 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3554 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3555 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3556 | |
| 3557 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3558 | load_obj(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3559 | { |
| 3560 | PyObject *class, *tup, *obj=0; |
| 3561 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3562 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3563 | if ((i = marker(self)) < 0) return -1; |
| 3564 | if (!( tup=Pdata_popTuple(self->stack, i+1))) return -1; |
| 3565 | PDATA_POP(self->stack, class); |
| 3566 | if (class) { |
| 3567 | obj = Instance_New(class, tup); |
| 3568 | Py_DECREF(class); |
| 3569 | } |
| 3570 | Py_DECREF(tup); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3571 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3572 | if (! obj) return -1; |
| 3573 | PDATA_PUSH(self->stack, obj, -1); |
| 3574 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3575 | } |
| 3576 | |
| 3577 | |
| 3578 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3579 | load_inst(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3580 | { |
| 3581 | PyObject *tup, *class=0, *obj=0, *module_name, *class_name; |
| 3582 | int i, len; |
| 3583 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3584 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3585 | if ((i = marker(self)) < 0) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3586 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3587 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3588 | if (len < 2) return bad_readline(); |
| 3589 | module_name = PyString_FromStringAndSize(s, len - 1); |
| 3590 | if (!module_name) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3591 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3592 | if ((len = self->readline_func(self, &s)) >= 0) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3593 | if (len < 2) return bad_readline(); |
| 3594 | if ((class_name = PyString_FromStringAndSize(s, len - 1))) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3595 | class = find_class(module_name, class_name, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3596 | self->find_class); |
| 3597 | Py_DECREF(class_name); |
| 3598 | } |
| 3599 | } |
| 3600 | Py_DECREF(module_name); |
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 | if (! class) return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3603 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3604 | if ((tup=Pdata_popTuple(self->stack, i))) { |
| 3605 | obj = Instance_New(class, tup); |
| 3606 | Py_DECREF(tup); |
| 3607 | } |
| 3608 | Py_DECREF(class); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3609 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3610 | if (! obj) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3611 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3612 | PDATA_PUSH(self->stack, obj, -1); |
| 3613 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3614 | } |
| 3615 | |
| 3616 | |
| 3617 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3618 | load_global(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3619 | { |
| 3620 | PyObject *class = 0, *module_name = 0, *class_name = 0; |
| 3621 | int len; |
| 3622 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3623 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3624 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3625 | if (len < 2) return bad_readline(); |
| 3626 | module_name = PyString_FromStringAndSize(s, len - 1); |
| 3627 | if (!module_name) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3628 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3629 | if ((len = self->readline_func(self, &s)) >= 0) { |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 3630 | if (len < 2) { |
| 3631 | Py_DECREF(module_name); |
| 3632 | return bad_readline(); |
| 3633 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3634 | if ((class_name = PyString_FromStringAndSize(s, len - 1))) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3635 | class = find_class(module_name, class_name, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3636 | self->find_class); |
| 3637 | Py_DECREF(class_name); |
| 3638 | } |
| 3639 | } |
| 3640 | Py_DECREF(module_name); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3641 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3642 | if (! class) return -1; |
| 3643 | PDATA_PUSH(self->stack, class, -1); |
| 3644 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3645 | } |
| 3646 | |
| 3647 | |
| 3648 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3649 | load_persid(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3650 | { |
| 3651 | PyObject *pid = 0; |
| 3652 | int len; |
| 3653 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3654 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3655 | if (self->pers_func) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3656 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3657 | if (len < 2) return bad_readline(); |
| 3658 | |
| 3659 | pid = PyString_FromStringAndSize(s, len - 1); |
| 3660 | if (!pid) return -1; |
| 3661 | |
| 3662 | if (PyList_Check(self->pers_func)) { |
| 3663 | if (PyList_Append(self->pers_func, pid) < 0) { |
| 3664 | Py_DECREF(pid); |
| 3665 | return -1; |
| 3666 | } |
| 3667 | } |
| 3668 | else { |
| 3669 | ARG_TUP(self, pid); |
| 3670 | if (self->arg) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3671 | pid = PyObject_Call(self->pers_func, self->arg, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3672 | NULL); |
| 3673 | FREE_ARG_TUP(self); |
| 3674 | } |
| 3675 | } |
| 3676 | |
| 3677 | if (! pid) return -1; |
| 3678 | |
| 3679 | PDATA_PUSH(self->stack, pid, -1); |
| 3680 | return 0; |
| 3681 | } |
| 3682 | else { |
| 3683 | PyErr_SetString(UnpicklingError, |
| 3684 | "A load persistent id instruction was encountered,\n" |
| 3685 | "but no persistent_load function was specified."); |
| 3686 | return -1; |
| 3687 | } |
| 3688 | } |
| 3689 | |
| 3690 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3691 | load_binpersid(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3692 | { |
| 3693 | PyObject *pid = 0; |
| 3694 | |
| 3695 | if (self->pers_func) { |
| 3696 | PDATA_POP(self->stack, pid); |
| 3697 | if (! pid) return -1; |
| 3698 | |
| 3699 | if (PyList_Check(self->pers_func)) { |
| 3700 | if (PyList_Append(self->pers_func, pid) < 0) { |
| 3701 | Py_DECREF(pid); |
| 3702 | return -1; |
| 3703 | } |
| 3704 | } |
| 3705 | else { |
| 3706 | ARG_TUP(self, pid); |
| 3707 | if (self->arg) { |
| 3708 | pid = PyObject_Call(self->pers_func, self->arg, |
| 3709 | NULL); |
| 3710 | FREE_ARG_TUP(self); |
| 3711 | } |
| 3712 | if (! pid) return -1; |
| 3713 | } |
| 3714 | |
| 3715 | PDATA_PUSH(self->stack, pid, -1); |
| 3716 | return 0; |
| 3717 | } |
| 3718 | else { |
| 3719 | PyErr_SetString(UnpicklingError, |
| 3720 | "A load persistent id instruction was encountered,\n" |
| 3721 | "but no persistent_load function was specified."); |
| 3722 | return -1; |
| 3723 | } |
| 3724 | } |
| 3725 | |
| 3726 | |
| 3727 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3728 | load_pop(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3729 | { |
| 3730 | int len; |
| 3731 | |
| 3732 | if (!( (len=self->stack->length) > 0 )) return stackUnderflow(); |
| 3733 | |
| 3734 | /* Note that we split the (pickle.py) stack into two stacks, |
| 3735 | an object stack and a mark stack. We have to be clever and |
| 3736 | pop the right one. We do this by looking at the top of the |
| 3737 | mark stack. |
| 3738 | */ |
| 3739 | |
| 3740 | if ((self->num_marks > 0) && |
| 3741 | (self->marks[self->num_marks - 1] == len)) |
| 3742 | self->num_marks--; |
| 3743 | else { |
| 3744 | len--; |
| 3745 | Py_DECREF(self->stack->data[len]); |
| 3746 | self->stack->length=len; |
| 3747 | } |
| 3748 | |
| 3749 | return 0; |
| 3750 | } |
| 3751 | |
| 3752 | |
| 3753 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3754 | load_pop_mark(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3755 | { |
| 3756 | int i; |
| 3757 | |
| 3758 | if ((i = marker(self)) < 0) |
| 3759 | return -1; |
| 3760 | |
| 3761 | Pdata_clear(self->stack, i); |
| 3762 | |
| 3763 | return 0; |
| 3764 | } |
| 3765 | |
| 3766 | |
| 3767 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3768 | load_dup(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3769 | { |
| 3770 | PyObject *last; |
| 3771 | int len; |
| 3772 | |
| 3773 | if ((len = self->stack->length) <= 0) return stackUnderflow(); |
| 3774 | last=self->stack->data[len-1]; |
| 3775 | Py_INCREF(last); |
| 3776 | PDATA_PUSH(self->stack, last, -1); |
| 3777 | return 0; |
| 3778 | } |
| 3779 | |
| 3780 | |
| 3781 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3782 | load_get(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3783 | { |
| 3784 | PyObject *py_str = 0, *value = 0; |
| 3785 | int len; |
| 3786 | char *s; |
| 3787 | int rc; |
| 3788 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3789 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 3790 | if (len < 2) return bad_readline(); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3791 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3792 | if (!( py_str = PyString_FromStringAndSize(s, len - 1))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3793 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3794 | value = PyDict_GetItem(self->memo, py_str); |
| 3795 | if (! value) { |
| 3796 | PyErr_SetObject(BadPickleGet, py_str); |
| 3797 | rc = -1; |
| 3798 | } else { |
| 3799 | PDATA_APPEND(self->stack, value, -1); |
| 3800 | rc = 0; |
| 3801 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3802 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3803 | Py_DECREF(py_str); |
| 3804 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3805 | } |
| 3806 | |
| 3807 | |
| 3808 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3809 | load_binget(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3810 | { |
| 3811 | PyObject *py_key = 0, *value = 0; |
| 3812 | unsigned char key; |
| 3813 | char *s; |
| 3814 | int rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3815 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3816 | if (self->read_func(self, &s, 1) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3817 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3818 | key = (unsigned char)s[0]; |
| 3819 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
Guido van Rossum | ea2b715 | 2000-05-09 18:14:50 +0000 | [diff] [blame] | 3820 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3821 | value = PyDict_GetItem(self->memo, py_key); |
| 3822 | if (! value) { |
| 3823 | PyErr_SetObject(BadPickleGet, py_key); |
| 3824 | rc = -1; |
| 3825 | } else { |
| 3826 | PDATA_APPEND(self->stack, value, -1); |
| 3827 | rc = 0; |
| 3828 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3829 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3830 | Py_DECREF(py_key); |
| 3831 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3832 | } |
| 3833 | |
| 3834 | |
| 3835 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3836 | load_long_binget(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3837 | { |
| 3838 | PyObject *py_key = 0, *value = 0; |
| 3839 | unsigned char c; |
| 3840 | char *s; |
| 3841 | long key; |
| 3842 | int rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3843 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3844 | if (self->read_func(self, &s, 4) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3845 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3846 | c = (unsigned char)s[0]; |
| 3847 | key = (long)c; |
| 3848 | c = (unsigned char)s[1]; |
| 3849 | key |= (long)c << 8; |
| 3850 | c = (unsigned char)s[2]; |
| 3851 | key |= (long)c << 16; |
| 3852 | c = (unsigned char)s[3]; |
| 3853 | key |= (long)c << 24; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3854 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3855 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
| 3856 | |
| 3857 | value = PyDict_GetItem(self->memo, py_key); |
| 3858 | if (! value) { |
| 3859 | PyErr_SetObject(BadPickleGet, py_key); |
| 3860 | rc = -1; |
| 3861 | } else { |
| 3862 | PDATA_APPEND(self->stack, value, -1); |
| 3863 | rc = 0; |
| 3864 | } |
| 3865 | |
| 3866 | Py_DECREF(py_key); |
| 3867 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3868 | } |
| 3869 | |
Tim Peters | 2d62965 | 2003-02-04 05:06:17 +0000 | [diff] [blame] | 3870 | /* Push an object from the extension registry (EXT[124]). nbytes is |
| 3871 | * the number of bytes following the opcode, holding the index (code) value. |
| 3872 | */ |
| 3873 | static int |
| 3874 | load_extension(Unpicklerobject *self, int nbytes) |
| 3875 | { |
| 3876 | char *codebytes; /* the nbytes bytes after the opcode */ |
| 3877 | long code; /* calc_binint returns long */ |
| 3878 | PyObject *py_code; /* code as a Python int */ |
| 3879 | PyObject *obj; /* the object to push */ |
| 3880 | PyObject *pair; /* (module_name, class_name) */ |
| 3881 | PyObject *module_name, *class_name; |
| 3882 | |
| 3883 | assert(nbytes == 1 || nbytes == 2 || nbytes == 4); |
| 3884 | if (self->read_func(self, &codebytes, nbytes) < 0) return -1; |
| 3885 | code = calc_binint(codebytes, nbytes); |
| 3886 | if (code <= 0) { /* note that 0 is forbidden */ |
| 3887 | /* Corrupt or hostile pickle. */ |
| 3888 | PyErr_SetString(UnpicklingError, "EXT specifies code <= 0"); |
| 3889 | return -1; |
| 3890 | } |
| 3891 | |
| 3892 | /* Look for the code in the cache. */ |
| 3893 | py_code = PyInt_FromLong(code); |
| 3894 | if (py_code == NULL) return -1; |
| 3895 | obj = PyDict_GetItem(extension_cache, py_code); |
| 3896 | if (obj != NULL) { |
| 3897 | /* Bingo. */ |
| 3898 | Py_DECREF(py_code); |
| 3899 | PDATA_APPEND(self->stack, obj, -1); |
| 3900 | return 0; |
| 3901 | } |
| 3902 | |
| 3903 | /* Look up the (module_name, class_name) pair. */ |
| 3904 | pair = PyDict_GetItem(inverted_registry, py_code); |
| 3905 | if (pair == NULL) { |
| 3906 | Py_DECREF(py_code); |
| 3907 | PyErr_Format(PyExc_ValueError, "unregistered extension " |
| 3908 | "code %ld", code); |
| 3909 | return -1; |
| 3910 | } |
| 3911 | /* Since the extension registry is manipulable via Python code, |
Tim Peters | fa05ce3 | 2003-02-04 05:20:32 +0000 | [diff] [blame] | 3912 | * confirm that pair is really a 2-tuple of strings. |
Tim Peters | 2d62965 | 2003-02-04 05:06:17 +0000 | [diff] [blame] | 3913 | */ |
| 3914 | if (!PyTuple_Check(pair) || PyTuple_Size(pair) != 2 || |
| 3915 | !PyString_Check(module_name = PyTuple_GET_ITEM(pair, 0)) || |
| 3916 | !PyString_Check(class_name = PyTuple_GET_ITEM(pair, 1))) { |
| 3917 | Py_DECREF(py_code); |
| 3918 | PyErr_Format(PyExc_ValueError, "_inverted_registry[%ld] " |
| 3919 | "isn't a 2-tuple of strings", code); |
| 3920 | return -1; |
| 3921 | } |
| 3922 | /* Load the object. */ |
| 3923 | obj = find_class(module_name, class_name, self->find_class); |
| 3924 | if (obj == NULL) { |
| 3925 | Py_DECREF(py_code); |
| 3926 | return -1; |
| 3927 | } |
| 3928 | /* Cache code -> obj. */ |
| 3929 | code = PyDict_SetItem(extension_cache, py_code, obj); |
| 3930 | Py_DECREF(py_code); |
| 3931 | if (code < 0) { |
| 3932 | Py_DECREF(obj); |
| 3933 | return -1; |
| 3934 | } |
| 3935 | PDATA_PUSH(self->stack, obj, -1); |
| 3936 | return 0; |
| 3937 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3938 | |
| 3939 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3940 | load_put(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3941 | { |
| 3942 | PyObject *py_str = 0, *value = 0; |
| 3943 | int len, l; |
| 3944 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3945 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3946 | if ((l = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3947 | if (l < 2) return bad_readline(); |
| 3948 | if (!( len=self->stack->length )) return stackUnderflow(); |
| 3949 | if (!( py_str = PyString_FromStringAndSize(s, l - 1))) return -1; |
| 3950 | value=self->stack->data[len-1]; |
| 3951 | l=PyDict_SetItem(self->memo, py_str, value); |
| 3952 | Py_DECREF(py_str); |
| 3953 | return l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3954 | } |
| 3955 | |
| 3956 | |
| 3957 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3958 | load_binput(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3959 | { |
| 3960 | PyObject *py_key = 0, *value = 0; |
| 3961 | unsigned char key; |
| 3962 | char *s; |
| 3963 | int len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3964 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3965 | if (self->read_func(self, &s, 1) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3966 | if (!( (len=self->stack->length) > 0 )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3967 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3968 | key = (unsigned char)s[0]; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 3969 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3970 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
| 3971 | value=self->stack->data[len-1]; |
| 3972 | len=PyDict_SetItem(self->memo, py_key, value); |
| 3973 | Py_DECREF(py_key); |
| 3974 | return len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3975 | } |
| 3976 | |
| 3977 | |
| 3978 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3979 | load_long_binput(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3980 | { |
| 3981 | PyObject *py_key = 0, *value = 0; |
| 3982 | long key; |
| 3983 | unsigned char c; |
| 3984 | char *s; |
| 3985 | int len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3986 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3987 | if (self->read_func(self, &s, 4) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3988 | if (!( len=self->stack->length )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3989 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3990 | c = (unsigned char)s[0]; |
| 3991 | key = (long)c; |
| 3992 | c = (unsigned char)s[1]; |
| 3993 | key |= (long)c << 8; |
| 3994 | c = (unsigned char)s[2]; |
| 3995 | key |= (long)c << 16; |
| 3996 | c = (unsigned char)s[3]; |
| 3997 | key |= (long)c << 24; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3998 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3999 | if (!( py_key = PyInt_FromLong(key))) return -1; |
| 4000 | value=self->stack->data[len-1]; |
| 4001 | len=PyDict_SetItem(self->memo, py_key, value); |
| 4002 | Py_DECREF(py_key); |
| 4003 | return len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4004 | } |
| 4005 | |
| 4006 | |
| 4007 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4008 | do_append(Unpicklerobject *self, int x) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4009 | { |
| 4010 | PyObject *value = 0, *list = 0, *append_method = 0; |
| 4011 | int len, i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4012 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4013 | len=self->stack->length; |
| 4014 | if (!( len >= x && x > 0 )) return stackUnderflow(); |
| 4015 | /* nothing to do */ |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4016 | if (len==x) return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4017 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4018 | list=self->stack->data[x-1]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4019 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4020 | if (PyList_Check(list)) { |
| 4021 | PyObject *slice; |
| 4022 | int list_len; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4023 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4024 | slice=Pdata_popList(self->stack, x); |
| 4025 | list_len = PyList_GET_SIZE(list); |
| 4026 | i=PyList_SetSlice(list, list_len, list_len, slice); |
| 4027 | Py_DECREF(slice); |
| 4028 | return i; |
| 4029 | } |
| 4030 | else { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4031 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4032 | if (!( append_method = PyObject_GetAttr(list, append_str))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4033 | return -1; |
| 4034 | |
| 4035 | for (i = x; i < len; i++) { |
| 4036 | PyObject *junk; |
| 4037 | |
| 4038 | value=self->stack->data[i]; |
| 4039 | junk=0; |
| 4040 | ARG_TUP(self, value); |
| 4041 | if (self->arg) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4042 | junk = PyObject_Call(append_method, self->arg, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4043 | NULL); |
| 4044 | FREE_ARG_TUP(self); |
| 4045 | } |
| 4046 | if (! junk) { |
| 4047 | Pdata_clear(self->stack, i+1); |
| 4048 | self->stack->length=x; |
| 4049 | Py_DECREF(append_method); |
| 4050 | return -1; |
| 4051 | } |
| 4052 | Py_DECREF(junk); |
| 4053 | } |
| 4054 | self->stack->length=x; |
| 4055 | Py_DECREF(append_method); |
| 4056 | } |
| 4057 | |
| 4058 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4059 | } |
| 4060 | |
| 4061 | |
| 4062 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4063 | load_append(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4064 | { |
| 4065 | return do_append(self, self->stack->length - 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4066 | } |
| 4067 | |
| 4068 | |
| 4069 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4070 | load_appends(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4071 | { |
| 4072 | return do_append(self, marker(self)); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4073 | } |
| 4074 | |
| 4075 | |
| 4076 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4077 | do_setitems(Unpicklerobject *self, int x) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4078 | { |
| 4079 | PyObject *value = 0, *key = 0, *dict = 0; |
| 4080 | int len, i, r=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4081 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4082 | if (!( (len=self->stack->length) >= x |
| 4083 | && x > 0 )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4084 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4085 | dict=self->stack->data[x-1]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4086 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4087 | for (i = x+1; i < len; i += 2) { |
| 4088 | key =self->stack->data[i-1]; |
| 4089 | value=self->stack->data[i ]; |
| 4090 | if (PyObject_SetItem(dict, key, value) < 0) { |
| 4091 | r=-1; |
| 4092 | break; |
| 4093 | } |
| 4094 | } |
| 4095 | |
| 4096 | Pdata_clear(self->stack, x); |
| 4097 | |
| 4098 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4099 | } |
| 4100 | |
| 4101 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4102 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4103 | load_setitem(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4104 | { |
| 4105 | return do_setitems(self, self->stack->length - 2); |
| 4106 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4107 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4108 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4109 | load_setitems(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4110 | { |
| 4111 | return do_setitems(self, marker(self)); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4112 | } |
| 4113 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4114 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4115 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4116 | load_build(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4117 | { |
| 4118 | PyObject *value = 0, *inst = 0, *instdict = 0, *d_key = 0, *d_value = 0, |
| 4119 | *junk = 0, *__setstate__ = 0; |
| 4120 | int i, r = 0; |
| 4121 | |
| 4122 | if (self->stack->length < 2) return stackUnderflow(); |
| 4123 | PDATA_POP(self->stack, value); |
| 4124 | if (! value) return -1; |
| 4125 | inst=self->stack->data[self->stack->length-1]; |
| 4126 | |
| 4127 | if ((__setstate__ = PyObject_GetAttr(inst, __setstate___str))) { |
| 4128 | ARG_TUP(self, value); |
| 4129 | if (self->arg) { |
| 4130 | junk = PyObject_Call(__setstate__, self->arg, NULL); |
| 4131 | FREE_ARG_TUP(self); |
| 4132 | } |
| 4133 | Py_DECREF(__setstate__); |
| 4134 | if (! junk) return -1; |
| 4135 | Py_DECREF(junk); |
| 4136 | return 0; |
| 4137 | } |
| 4138 | |
| 4139 | PyErr_Clear(); |
| 4140 | if ((instdict = PyObject_GetAttr(inst, __dict___str))) { |
| 4141 | i = 0; |
| 4142 | while (PyDict_Next(value, &i, &d_key, &d_value)) { |
| 4143 | if (PyObject_SetItem(instdict, d_key, d_value) < 0) { |
| 4144 | r=-1; |
| 4145 | break; |
| 4146 | } |
| 4147 | } |
| 4148 | Py_DECREF(instdict); |
| 4149 | } |
| 4150 | else r=-1; |
| 4151 | |
| 4152 | Py_XDECREF(value); |
| 4153 | |
| 4154 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4155 | } |
| 4156 | |
| 4157 | |
| 4158 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4159 | load_mark(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4160 | { |
| 4161 | int s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4162 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4163 | /* Note that we split the (pickle.py) stack into two stacks, an |
| 4164 | object stack and a mark stack. Here we push a mark onto the |
| 4165 | mark stack. |
| 4166 | */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4167 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4168 | if ((self->num_marks + 1) >= self->marks_size) { |
| 4169 | s=self->marks_size+20; |
| 4170 | if (s <= self->num_marks) s=self->num_marks + 1; |
| 4171 | if (self->marks == NULL) |
| 4172 | self->marks=(int *)malloc(s * sizeof(int)); |
| 4173 | else |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4174 | self->marks=(int *)realloc(self->marks, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4175 | s * sizeof(int)); |
| 4176 | if (! self->marks) { |
| 4177 | PyErr_NoMemory(); |
| 4178 | return -1; |
| 4179 | } |
| 4180 | self->marks_size = s; |
| 4181 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4182 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4183 | self->marks[self->num_marks++] = self->stack->length; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4184 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4185 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4186 | } |
| 4187 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4188 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4189 | load_reduce(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4190 | { |
| 4191 | PyObject *callable = 0, *arg_tup = 0, *ob = 0; |
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 | PDATA_POP(self->stack, arg_tup); |
| 4194 | if (! arg_tup) return -1; |
| 4195 | PDATA_POP(self->stack, callable); |
| 4196 | if (callable) { |
| 4197 | ob = Instance_New(callable, arg_tup); |
| 4198 | Py_DECREF(callable); |
| 4199 | } |
| 4200 | Py_DECREF(arg_tup); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4201 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4202 | if (! ob) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4203 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4204 | PDATA_PUSH(self->stack, ob, -1); |
| 4205 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4206 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4207 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 4208 | /* Just raises an error if we don't know the protocol specified. PROTO |
| 4209 | * is the first opcode for protocols >= 2. |
| 4210 | */ |
| 4211 | static int |
| 4212 | load_proto(Unpicklerobject *self) |
| 4213 | { |
| 4214 | int i; |
| 4215 | char *protobyte; |
| 4216 | |
| 4217 | i = self->read_func(self, &protobyte, 1); |
| 4218 | if (i < 0) |
| 4219 | return -1; |
| 4220 | |
| 4221 | i = calc_binint(protobyte, 1); |
| 4222 | /* No point checking for < 0, since calc_binint returns an unsigned |
| 4223 | * int when chewing on 1 byte. |
| 4224 | */ |
| 4225 | assert(i >= 0); |
| 4226 | if (i <= CURRENT_PROTOCOL_NUMBER) |
| 4227 | return 0; |
| 4228 | |
| 4229 | PyErr_Format(PyExc_ValueError, "unsupported pickle protocol: %d", i); |
| 4230 | return -1; |
| 4231 | } |
| 4232 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4233 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4234 | load(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4235 | { |
| 4236 | PyObject *err = 0, *val = 0; |
| 4237 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4238 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4239 | self->num_marks = 0; |
| 4240 | if (self->stack->length) Pdata_clear(self->stack, 0); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4241 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4242 | while (1) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 4243 | if (self->read_func(self, &s, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4244 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4245 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4246 | switch (s[0]) { |
| 4247 | case NONE: |
| 4248 | if (load_none(self) < 0) |
| 4249 | break; |
| 4250 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4251 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4252 | case BININT: |
| 4253 | if (load_binint(self) < 0) |
| 4254 | break; |
| 4255 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4256 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4257 | case BININT1: |
| 4258 | if (load_binint1(self) < 0) |
| 4259 | break; |
| 4260 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4261 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4262 | case BININT2: |
| 4263 | if (load_binint2(self) < 0) |
| 4264 | break; |
| 4265 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4266 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4267 | case INT: |
| 4268 | if (load_int(self) < 0) |
| 4269 | break; |
| 4270 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4271 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4272 | case LONG: |
| 4273 | if (load_long(self) < 0) |
| 4274 | break; |
| 4275 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4276 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 4277 | case LONG1: |
| 4278 | if (load_counted_long(self, 1) < 0) |
| 4279 | break; |
| 4280 | continue; |
| 4281 | |
| 4282 | case LONG4: |
| 4283 | if (load_counted_long(self, 4) < 0) |
| 4284 | break; |
| 4285 | continue; |
| 4286 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4287 | case FLOAT: |
| 4288 | if (load_float(self) < 0) |
| 4289 | break; |
| 4290 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4291 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4292 | case BINFLOAT: |
| 4293 | if (load_binfloat(self) < 0) |
| 4294 | break; |
| 4295 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4296 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4297 | case BINSTRING: |
| 4298 | if (load_binstring(self) < 0) |
| 4299 | break; |
| 4300 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4301 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4302 | case SHORT_BINSTRING: |
| 4303 | if (load_short_binstring(self) < 0) |
| 4304 | break; |
| 4305 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4306 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4307 | case STRING: |
| 4308 | if (load_string(self) < 0) |
| 4309 | break; |
| 4310 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4311 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4312 | #ifdef Py_USING_UNICODE |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4313 | case UNICODE: |
| 4314 | if (load_unicode(self) < 0) |
| 4315 | break; |
| 4316 | continue; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4317 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4318 | case BINUNICODE: |
| 4319 | if (load_binunicode(self) < 0) |
| 4320 | break; |
| 4321 | continue; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4322 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4323 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4324 | case EMPTY_TUPLE: |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 4325 | if (load_counted_tuple(self, 0) < 0) |
| 4326 | break; |
| 4327 | continue; |
| 4328 | |
| 4329 | case TUPLE1: |
| 4330 | if (load_counted_tuple(self, 1) < 0) |
| 4331 | break; |
| 4332 | continue; |
| 4333 | |
| 4334 | case TUPLE2: |
| 4335 | if (load_counted_tuple(self, 2) < 0) |
| 4336 | break; |
| 4337 | continue; |
| 4338 | |
| 4339 | case TUPLE3: |
| 4340 | if (load_counted_tuple(self, 3) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4341 | break; |
| 4342 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4343 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4344 | case TUPLE: |
| 4345 | if (load_tuple(self) < 0) |
| 4346 | break; |
| 4347 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4348 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4349 | case EMPTY_LIST: |
| 4350 | if (load_empty_list(self) < 0) |
| 4351 | break; |
| 4352 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4353 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4354 | case LIST: |
| 4355 | if (load_list(self) < 0) |
| 4356 | break; |
| 4357 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4358 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4359 | case EMPTY_DICT: |
| 4360 | if (load_empty_dict(self) < 0) |
| 4361 | break; |
| 4362 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4363 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4364 | case DICT: |
| 4365 | if (load_dict(self) < 0) |
| 4366 | break; |
| 4367 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4368 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4369 | case OBJ: |
| 4370 | if (load_obj(self) < 0) |
| 4371 | break; |
| 4372 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4373 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4374 | case INST: |
| 4375 | if (load_inst(self) < 0) |
| 4376 | break; |
| 4377 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4378 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4379 | case GLOBAL: |
| 4380 | if (load_global(self) < 0) |
| 4381 | break; |
| 4382 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4383 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4384 | case APPEND: |
| 4385 | if (load_append(self) < 0) |
| 4386 | break; |
| 4387 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4388 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4389 | case APPENDS: |
| 4390 | if (load_appends(self) < 0) |
| 4391 | break; |
| 4392 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4393 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4394 | case BUILD: |
| 4395 | if (load_build(self) < 0) |
| 4396 | break; |
| 4397 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4398 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4399 | case DUP: |
| 4400 | if (load_dup(self) < 0) |
| 4401 | break; |
| 4402 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4403 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4404 | case BINGET: |
| 4405 | if (load_binget(self) < 0) |
| 4406 | break; |
| 4407 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4408 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4409 | case LONG_BINGET: |
| 4410 | if (load_long_binget(self) < 0) |
| 4411 | break; |
| 4412 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4413 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4414 | case GET: |
| 4415 | if (load_get(self) < 0) |
| 4416 | break; |
| 4417 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4418 | |
Tim Peters | 2d62965 | 2003-02-04 05:06:17 +0000 | [diff] [blame] | 4419 | case EXT1: |
| 4420 | if (load_extension(self, 1) < 0) |
| 4421 | break; |
| 4422 | continue; |
| 4423 | |
| 4424 | case EXT2: |
| 4425 | if (load_extension(self, 2) < 0) |
| 4426 | break; |
| 4427 | continue; |
| 4428 | |
| 4429 | case EXT4: |
| 4430 | if (load_extension(self, 4) < 0) |
| 4431 | break; |
| 4432 | continue; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4433 | case MARK: |
| 4434 | if (load_mark(self) < 0) |
| 4435 | break; |
| 4436 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4437 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4438 | case BINPUT: |
| 4439 | if (load_binput(self) < 0) |
| 4440 | break; |
| 4441 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4442 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4443 | case LONG_BINPUT: |
| 4444 | if (load_long_binput(self) < 0) |
| 4445 | break; |
| 4446 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4447 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4448 | case PUT: |
| 4449 | if (load_put(self) < 0) |
| 4450 | break; |
| 4451 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4452 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4453 | case POP: |
| 4454 | if (load_pop(self) < 0) |
| 4455 | break; |
| 4456 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4457 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4458 | case POP_MARK: |
| 4459 | if (load_pop_mark(self) < 0) |
| 4460 | break; |
| 4461 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4462 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4463 | case SETITEM: |
| 4464 | if (load_setitem(self) < 0) |
| 4465 | break; |
| 4466 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4467 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4468 | case SETITEMS: |
| 4469 | if (load_setitems(self) < 0) |
| 4470 | break; |
| 4471 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4472 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4473 | case STOP: |
| 4474 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4475 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4476 | case PERSID: |
| 4477 | if (load_persid(self) < 0) |
| 4478 | break; |
| 4479 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4480 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4481 | case BINPERSID: |
| 4482 | if (load_binpersid(self) < 0) |
| 4483 | break; |
| 4484 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4485 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4486 | case REDUCE: |
| 4487 | if (load_reduce(self) < 0) |
| 4488 | break; |
| 4489 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4490 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 4491 | case PROTO: |
| 4492 | if (load_proto(self) < 0) |
| 4493 | break; |
| 4494 | continue; |
| 4495 | |
Tim Peters | 3c67d79 | 2003-02-02 17:59:11 +0000 | [diff] [blame] | 4496 | case NEWTRUE: |
| 4497 | if (load_bool(self, Py_True) < 0) |
| 4498 | break; |
| 4499 | continue; |
| 4500 | |
| 4501 | case NEWFALSE: |
| 4502 | if (load_bool(self, Py_False) < 0) |
| 4503 | break; |
| 4504 | continue; |
| 4505 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4506 | case '\0': |
| 4507 | /* end of file */ |
| 4508 | PyErr_SetNone(PyExc_EOFError); |
| 4509 | break; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4510 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4511 | default: |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4512 | cPickle_ErrFormat(UnpicklingError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4513 | "invalid load key, '%s'.", |
| 4514 | "c", s[0]); |
| 4515 | return NULL; |
| 4516 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4517 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4518 | break; |
| 4519 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4520 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4521 | if ((err = PyErr_Occurred())) { |
| 4522 | if (err == PyExc_EOFError) { |
| 4523 | PyErr_SetNone(PyExc_EOFError); |
| 4524 | } |
| 4525 | return NULL; |
| 4526 | } |
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 | PDATA_POP(self->stack, val); |
| 4529 | return val; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4530 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4531 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4532 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4533 | /* No-load functions to support noload, which is used to |
| 4534 | find persistent references. */ |
| 4535 | |
| 4536 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4537 | noload_obj(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4538 | { |
| 4539 | int i; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4540 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4541 | if ((i = marker(self)) < 0) return -1; |
| 4542 | return Pdata_clear(self->stack, i+1); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4543 | } |
| 4544 | |
| 4545 | |
| 4546 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4547 | noload_inst(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4548 | { |
| 4549 | int i; |
| 4550 | char *s; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4551 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4552 | if ((i = marker(self)) < 0) return -1; |
| 4553 | Pdata_clear(self->stack, i); |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 4554 | if (self->readline_func(self, &s) < 0) return -1; |
| 4555 | if (self->readline_func(self, &s) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4556 | PDATA_APPEND(self->stack, Py_None,-1); |
| 4557 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4558 | } |
| 4559 | |
| 4560 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4561 | noload_global(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4562 | { |
| 4563 | char *s; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4564 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 4565 | if (self->readline_func(self, &s) < 0) return -1; |
| 4566 | if (self->readline_func(self, &s) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4567 | PDATA_APPEND(self->stack, Py_None,-1); |
| 4568 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4569 | } |
| 4570 | |
| 4571 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4572 | noload_reduce(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4573 | { |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4574 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4575 | if (self->stack->length < 2) return stackUnderflow(); |
| 4576 | Pdata_clear(self->stack, self->stack->length-2); |
| 4577 | PDATA_APPEND(self->stack, Py_None,-1); |
| 4578 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4579 | } |
| 4580 | |
| 4581 | static int |
| 4582 | noload_build(Unpicklerobject *self) { |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4583 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 4584 | if (self->stack->length < 1) return stackUnderflow(); |
| 4585 | Pdata_clear(self->stack, self->stack->length-1); |
Guido van Rossum | 50f385c | 1998-12-04 18:48:44 +0000 | [diff] [blame] | 4586 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4587 | } |
| 4588 | |
Tim Peters | 2d62965 | 2003-02-04 05:06:17 +0000 | [diff] [blame] | 4589 | static int |
| 4590 | noload_extension(Unpicklerobject *self, int nbytes) |
| 4591 | { |
| 4592 | char *codebytes; |
| 4593 | |
| 4594 | assert(nbytes == 1 || nbytes == 2 || nbytes == 4); |
| 4595 | if (self->read_func(self, &codebytes, nbytes) < 0) return -1; |
| 4596 | PDATA_APPEND(self->stack, Py_None, -1); |
| 4597 | return 0; |
| 4598 | } |
| 4599 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4600 | |
| 4601 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4602 | noload(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4603 | { |
| 4604 | PyObject *err = 0, *val = 0; |
| 4605 | char *s; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4606 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4607 | self->num_marks = 0; |
| 4608 | Pdata_clear(self->stack, 0); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4609 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4610 | while (1) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 4611 | if (self->read_func(self, &s, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4612 | break; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4613 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4614 | switch (s[0]) { |
| 4615 | case NONE: |
| 4616 | if (load_none(self) < 0) |
| 4617 | break; |
| 4618 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4619 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4620 | case BININT: |
| 4621 | if (load_binint(self) < 0) |
| 4622 | break; |
| 4623 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4624 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4625 | case BININT1: |
| 4626 | if (load_binint1(self) < 0) |
| 4627 | break; |
| 4628 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4629 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4630 | case BININT2: |
| 4631 | if (load_binint2(self) < 0) |
| 4632 | break; |
| 4633 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4634 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4635 | case INT: |
| 4636 | if (load_int(self) < 0) |
| 4637 | break; |
| 4638 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4639 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4640 | case LONG: |
| 4641 | if (load_long(self) < 0) |
| 4642 | break; |
| 4643 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4644 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 4645 | case LONG1: |
| 4646 | if (load_counted_long(self, 1) < 0) |
| 4647 | break; |
| 4648 | continue; |
| 4649 | |
| 4650 | case LONG4: |
| 4651 | if (load_counted_long(self, 4) < 0) |
| 4652 | break; |
| 4653 | continue; |
| 4654 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4655 | case FLOAT: |
| 4656 | if (load_float(self) < 0) |
| 4657 | break; |
| 4658 | continue; |
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 | case BINFLOAT: |
| 4661 | if (load_binfloat(self) < 0) |
| 4662 | break; |
| 4663 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4664 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4665 | case BINSTRING: |
| 4666 | if (load_binstring(self) < 0) |
| 4667 | break; |
| 4668 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4669 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4670 | case SHORT_BINSTRING: |
| 4671 | if (load_short_binstring(self) < 0) |
| 4672 | break; |
| 4673 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4674 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4675 | case STRING: |
| 4676 | if (load_string(self) < 0) |
| 4677 | break; |
| 4678 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4679 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4680 | #ifdef Py_USING_UNICODE |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4681 | case UNICODE: |
| 4682 | if (load_unicode(self) < 0) |
| 4683 | break; |
| 4684 | continue; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4685 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4686 | case BINUNICODE: |
| 4687 | if (load_binunicode(self) < 0) |
| 4688 | break; |
| 4689 | continue; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4690 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4691 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4692 | case EMPTY_TUPLE: |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 4693 | if (load_counted_tuple(self, 0) < 0) |
| 4694 | break; |
| 4695 | continue; |
| 4696 | |
| 4697 | case TUPLE1: |
| 4698 | if (load_counted_tuple(self, 1) < 0) |
| 4699 | break; |
| 4700 | continue; |
| 4701 | |
| 4702 | case TUPLE2: |
| 4703 | if (load_counted_tuple(self, 2) < 0) |
| 4704 | break; |
| 4705 | continue; |
| 4706 | |
| 4707 | case TUPLE3: |
| 4708 | if (load_counted_tuple(self, 3) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4709 | break; |
| 4710 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4711 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4712 | case TUPLE: |
| 4713 | if (load_tuple(self) < 0) |
| 4714 | break; |
| 4715 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4716 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4717 | case EMPTY_LIST: |
| 4718 | if (load_empty_list(self) < 0) |
| 4719 | break; |
| 4720 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4721 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4722 | case LIST: |
| 4723 | if (load_list(self) < 0) |
| 4724 | break; |
| 4725 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4726 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4727 | case EMPTY_DICT: |
| 4728 | if (load_empty_dict(self) < 0) |
| 4729 | break; |
| 4730 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4731 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4732 | case DICT: |
| 4733 | if (load_dict(self) < 0) |
| 4734 | break; |
| 4735 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4736 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4737 | case OBJ: |
| 4738 | if (noload_obj(self) < 0) |
| 4739 | break; |
| 4740 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4741 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4742 | case INST: |
| 4743 | if (noload_inst(self) < 0) |
| 4744 | break; |
| 4745 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4746 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4747 | case GLOBAL: |
| 4748 | if (noload_global(self) < 0) |
| 4749 | break; |
| 4750 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4751 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4752 | case APPEND: |
| 4753 | if (load_append(self) < 0) |
| 4754 | break; |
| 4755 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4756 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4757 | case APPENDS: |
| 4758 | if (load_appends(self) < 0) |
| 4759 | break; |
| 4760 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4761 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4762 | case BUILD: |
| 4763 | if (noload_build(self) < 0) |
| 4764 | break; |
| 4765 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4766 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4767 | case DUP: |
| 4768 | if (load_dup(self) < 0) |
| 4769 | break; |
| 4770 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4771 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4772 | case BINGET: |
| 4773 | if (load_binget(self) < 0) |
| 4774 | break; |
| 4775 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4776 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4777 | case LONG_BINGET: |
| 4778 | if (load_long_binget(self) < 0) |
| 4779 | break; |
| 4780 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4781 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4782 | case GET: |
| 4783 | if (load_get(self) < 0) |
| 4784 | break; |
| 4785 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4786 | |
Tim Peters | 2d62965 | 2003-02-04 05:06:17 +0000 | [diff] [blame] | 4787 | case EXT1: |
| 4788 | if (noload_extension(self, 1) < 0) |
| 4789 | break; |
| 4790 | continue; |
| 4791 | |
| 4792 | case EXT2: |
| 4793 | if (noload_extension(self, 2) < 0) |
| 4794 | break; |
| 4795 | continue; |
| 4796 | |
| 4797 | case EXT4: |
| 4798 | if (noload_extension(self, 4) < 0) |
| 4799 | break; |
| 4800 | continue; |
| 4801 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4802 | case MARK: |
| 4803 | if (load_mark(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 BINPUT: |
| 4808 | if (load_binput(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 LONG_BINPUT: |
| 4813 | if (load_long_binput(self) < 0) |
| 4814 | break; |
| 4815 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4816 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4817 | case PUT: |
| 4818 | if (load_put(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 POP: |
| 4823 | if (load_pop(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 POP_MARK: |
| 4828 | if (load_pop_mark(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 SETITEM: |
| 4833 | if (load_setitem(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 SETITEMS: |
| 4838 | if (load_setitems(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 STOP: |
| 4843 | break; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4844 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4845 | case PERSID: |
| 4846 | if (load_persid(self) < 0) |
| 4847 | break; |
| 4848 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4849 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4850 | case BINPERSID: |
| 4851 | if (load_binpersid(self) < 0) |
| 4852 | break; |
| 4853 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4854 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4855 | case REDUCE: |
| 4856 | if (noload_reduce(self) < 0) |
| 4857 | break; |
| 4858 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4859 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 4860 | case PROTO: |
| 4861 | if (load_proto(self) < 0) |
| 4862 | break; |
| 4863 | continue; |
| 4864 | |
Tim Peters | 3c67d79 | 2003-02-02 17:59:11 +0000 | [diff] [blame] | 4865 | case NEWTRUE: |
| 4866 | if (load_bool(self, Py_True) < 0) |
| 4867 | break; |
| 4868 | continue; |
| 4869 | |
| 4870 | case NEWFALSE: |
| 4871 | if (load_bool(self, Py_False) < 0) |
| 4872 | break; |
| 4873 | continue; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4874 | default: |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4875 | cPickle_ErrFormat(UnpicklingError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4876 | "invalid load key, '%s'.", |
| 4877 | "c", s[0]); |
| 4878 | return NULL; |
| 4879 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4880 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4881 | break; |
| 4882 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4883 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4884 | if ((err = PyErr_Occurred())) { |
| 4885 | if (err == PyExc_EOFError) { |
| 4886 | PyErr_SetNone(PyExc_EOFError); |
| 4887 | } |
| 4888 | return NULL; |
| 4889 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4890 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4891 | PDATA_POP(self->stack, val); |
| 4892 | return val; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4893 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4894 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4895 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4896 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4897 | Unpickler_load(Unpicklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4898 | { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4899 | if (!( PyArg_ParseTuple(args, ":load"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4900 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4901 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4902 | return load(self); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4903 | } |
| 4904 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4905 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4906 | Unpickler_noload(Unpicklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4907 | { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4908 | if (!( PyArg_ParseTuple(args, ":noload"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4909 | return NULL; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4910 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4911 | return noload(self); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4912 | } |
| 4913 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4914 | |
| 4915 | static struct PyMethodDef Unpickler_methods[] = { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4916 | {"load", (PyCFunction)Unpickler_load, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 4917 | PyDoc_STR("load() -- Load a pickle") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4918 | }, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4919 | {"noload", (PyCFunction)Unpickler_noload, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 4920 | PyDoc_STR( |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4921 | "noload() -- not load a pickle, but go through most of the motions\n" |
| 4922 | "\n" |
| 4923 | "This function can be used to read past a pickle without instantiating\n" |
| 4924 | "any objects or importing any modules. It can also be used to find all\n" |
| 4925 | "persistent references without instantiating any objects or importing\n" |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 4926 | "any modules.\n") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4927 | }, |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4928 | {NULL, NULL} /* sentinel */ |
| 4929 | }; |
| 4930 | |
| 4931 | |
| 4932 | static Unpicklerobject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4933 | newUnpicklerobject(PyObject *f) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4934 | { |
| 4935 | Unpicklerobject *self; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4936 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4937 | if (!( self = PyObject_New(Unpicklerobject, &Unpicklertype))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4938 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4939 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4940 | self->file = NULL; |
| 4941 | self->arg = NULL; |
| 4942 | self->stack = (Pdata*)Pdata_New(); |
| 4943 | self->pers_func = NULL; |
| 4944 | self->last_string = NULL; |
| 4945 | self->marks = NULL; |
| 4946 | self->num_marks = 0; |
| 4947 | self->marks_size = 0; |
| 4948 | self->buf_size = 0; |
| 4949 | self->read = NULL; |
| 4950 | self->readline = NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4951 | self->find_class = NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4952 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4953 | if (!( self->memo = PyDict_New())) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4954 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4955 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4956 | Py_INCREF(f); |
| 4957 | self->file = f; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4958 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4959 | /* Set read, readline based on type of f */ |
| 4960 | if (PyFile_Check(f)) { |
| 4961 | self->fp = PyFile_AsFile(f); |
| 4962 | if (self->fp == NULL) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4963 | PyErr_SetString(PyExc_ValueError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4964 | "I/O operation on closed file"); |
| 4965 | goto err; |
| 4966 | } |
| 4967 | self->read_func = read_file; |
| 4968 | self->readline_func = readline_file; |
Guido van Rossum | c91fcaa | 1999-03-29 20:00:14 +0000 | [diff] [blame] | 4969 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4970 | else if (PycStringIO_InputCheck(f)) { |
| 4971 | self->fp = NULL; |
| 4972 | self->read_func = read_cStringIO; |
| 4973 | self->readline_func = readline_cStringIO; |
| 4974 | } |
| 4975 | else { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4976 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4977 | self->fp = NULL; |
| 4978 | self->read_func = read_other; |
| 4979 | self->readline_func = readline_other; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4980 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4981 | if (!( (self->readline = PyObject_GetAttr(f, readline_str)) && |
| 4982 | (self->read = PyObject_GetAttr(f, read_str)))) { |
| 4983 | PyErr_Clear(); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4984 | PyErr_SetString( PyExc_TypeError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4985 | "argument must have 'read' and " |
| 4986 | "'readline' attributes" ); |
| 4987 | goto err; |
| 4988 | } |
| 4989 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4990 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4991 | return self; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4992 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4993 | err: |
| 4994 | Py_DECREF((PyObject *)self); |
| 4995 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4996 | } |
| 4997 | |
| 4998 | |
| 4999 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5000 | get_Unpickler(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5001 | { |
| 5002 | PyObject *file; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 5003 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5004 | if (!( PyArg_ParseTuple(args, "O:Unpickler", &file))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5005 | return NULL; |
| 5006 | return (PyObject *)newUnpicklerobject(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5007 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5008 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5009 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5010 | static void |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5011 | Unpickler_dealloc(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5012 | { |
| 5013 | Py_XDECREF(self->readline); |
| 5014 | Py_XDECREF(self->read); |
| 5015 | Py_XDECREF(self->file); |
| 5016 | Py_XDECREF(self->memo); |
| 5017 | Py_XDECREF(self->stack); |
| 5018 | Py_XDECREF(self->pers_func); |
| 5019 | Py_XDECREF(self->arg); |
| 5020 | Py_XDECREF(self->last_string); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5021 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5022 | if (self->marks) { |
| 5023 | free(self->marks); |
| 5024 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5025 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5026 | if (self->buf_size) { |
| 5027 | free(self->buf); |
| 5028 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 5029 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5030 | PyObject_Del(self); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5031 | } |
| 5032 | |
| 5033 | |
| 5034 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5035 | Unpickler_getattr(Unpicklerobject *self, char *name) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5036 | { |
| 5037 | if (!strcmp(name, "persistent_load")) { |
| 5038 | if (!self->pers_func) { |
| 5039 | PyErr_SetString(PyExc_AttributeError, name); |
| 5040 | return NULL; |
| 5041 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5042 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5043 | Py_INCREF(self->pers_func); |
| 5044 | return self->pers_func; |
| 5045 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5046 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5047 | if (!strcmp(name, "find_global")) { |
| 5048 | if (!self->find_class) { |
| 5049 | PyErr_SetString(PyExc_AttributeError, name); |
| 5050 | return NULL; |
| 5051 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 5052 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5053 | Py_INCREF(self->find_class); |
| 5054 | return self->find_class; |
| 5055 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 5056 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5057 | if (!strcmp(name, "memo")) { |
| 5058 | if (!self->memo) { |
| 5059 | PyErr_SetString(PyExc_AttributeError, name); |
| 5060 | return NULL; |
| 5061 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5062 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5063 | Py_INCREF(self->memo); |
| 5064 | return self->memo; |
| 5065 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5066 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5067 | if (!strcmp(name, "UnpicklingError")) { |
| 5068 | Py_INCREF(UnpicklingError); |
| 5069 | return UnpicklingError; |
| 5070 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5071 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5072 | return Py_FindMethod(Unpickler_methods, (PyObject *)self, name); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5073 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5074 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5075 | |
| 5076 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5077 | Unpickler_setattr(Unpicklerobject *self, char *name, PyObject *value) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5078 | { |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 5079 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5080 | if (!strcmp(name, "persistent_load")) { |
| 5081 | Py_XDECREF(self->pers_func); |
| 5082 | self->pers_func = value; |
| 5083 | Py_XINCREF(value); |
| 5084 | return 0; |
| 5085 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 5086 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5087 | if (!strcmp(name, "find_global")) { |
| 5088 | Py_XDECREF(self->find_class); |
| 5089 | self->find_class = value; |
| 5090 | Py_XINCREF(value); |
| 5091 | return 0; |
| 5092 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 5093 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5094 | if (! value) { |
| 5095 | PyErr_SetString(PyExc_TypeError, |
| 5096 | "attribute deletion is not supported"); |
| 5097 | return -1; |
| 5098 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 5099 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5100 | if (strcmp(name, "memo") == 0) { |
| 5101 | if (!PyDict_Check(value)) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5102 | PyErr_SetString(PyExc_TypeError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5103 | "memo must be a dictionary"); |
| 5104 | return -1; |
| 5105 | } |
| 5106 | Py_XDECREF(self->memo); |
| 5107 | self->memo = value; |
| 5108 | Py_INCREF(value); |
| 5109 | return 0; |
| 5110 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 5111 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5112 | PyErr_SetString(PyExc_AttributeError, name); |
| 5113 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5114 | } |
| 5115 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5116 | /* --------------------------------------------------------------------------- |
| 5117 | * Module-level functions. |
| 5118 | */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5119 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5120 | /* dump(obj, file, proto=0). */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5121 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5122 | cpm_dump(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5123 | { |
| 5124 | PyObject *ob, *file, *res = NULL; |
| 5125 | Picklerobject *pickler = 0; |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5126 | int proto = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5127 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5128 | if (!( PyArg_ParseTuple(args, "OO|i", &ob, &file, &proto))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5129 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5130 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5131 | if (!( pickler = newPicklerobject(file, proto))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5132 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5133 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5134 | if (dump(pickler, ob) < 0) |
| 5135 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5136 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5137 | Py_INCREF(Py_None); |
| 5138 | res = Py_None; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5139 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5140 | finally: |
| 5141 | Py_XDECREF(pickler); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5142 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5143 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5144 | } |
| 5145 | |
| 5146 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5147 | /* dumps(obj, proto=0). */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5148 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5149 | cpm_dumps(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5150 | { |
| 5151 | PyObject *ob, *file = 0, *res = NULL; |
| 5152 | Picklerobject *pickler = 0; |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5153 | int proto = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5154 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5155 | if (!( PyArg_ParseTuple(args, "O|i:dumps", &ob, &proto))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5156 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5157 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5158 | if (!( file = PycStringIO->NewOutput(128))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5159 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5160 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5161 | if (!( pickler = newPicklerobject(file, proto))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5162 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5163 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5164 | if (dump(pickler, ob) < 0) |
| 5165 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5166 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5167 | res = PycStringIO->cgetvalue(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5168 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5169 | finally: |
| 5170 | Py_XDECREF(pickler); |
| 5171 | Py_XDECREF(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5172 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5173 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 5174 | } |
| 5175 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5176 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5177 | /* load(fileobj). */ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5178 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5179 | cpm_load(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5180 | { |
| 5181 | Unpicklerobject *unpickler = 0; |
| 5182 | PyObject *ob, *res = NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5183 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5184 | if (!( PyArg_ParseTuple(args, "O:load", &ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5185 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5186 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5187 | if (!( unpickler = newUnpicklerobject(ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5188 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5189 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5190 | res = load(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5191 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5192 | finally: |
| 5193 | Py_XDECREF(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5194 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5195 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5196 | } |
| 5197 | |
| 5198 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5199 | /* loads(string) */ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5200 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5201 | cpm_loads(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5202 | { |
| 5203 | PyObject *ob, *file = 0, *res = NULL; |
| 5204 | Unpicklerobject *unpickler = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5205 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5206 | if (!( PyArg_ParseTuple(args, "S:loads", &ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5207 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5208 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5209 | if (!( file = PycStringIO->NewInput(ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5210 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 5211 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5212 | if (!( unpickler = newUnpicklerobject(file))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5213 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5214 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5215 | res = load(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5216 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5217 | finally: |
| 5218 | Py_XDECREF(file); |
| 5219 | Py_XDECREF(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5220 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5221 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5222 | } |
| 5223 | |
| 5224 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 5225 | PyDoc_STRVAR(Unpicklertype__doc__, |
| 5226 | "Objects that know how to unpickle"); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5227 | |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 5228 | static PyTypeObject Unpicklertype = { |
| 5229 | PyObject_HEAD_INIT(NULL) |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5230 | 0, /*ob_size*/ |
Guido van Rossum | 1464839 | 2001-12-08 18:02:58 +0000 | [diff] [blame] | 5231 | "cPickle.Unpickler", /*tp_name*/ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5232 | sizeof(Unpicklerobject), /*tp_basicsize*/ |
| 5233 | 0, /*tp_itemsize*/ |
| 5234 | /* methods */ |
| 5235 | (destructor)Unpickler_dealloc, /*tp_dealloc*/ |
| 5236 | (printfunc)0, /*tp_print*/ |
| 5237 | (getattrfunc)Unpickler_getattr, /*tp_getattr*/ |
| 5238 | (setattrfunc)Unpickler_setattr, /*tp_setattr*/ |
| 5239 | (cmpfunc)0, /*tp_compare*/ |
| 5240 | (reprfunc)0, /*tp_repr*/ |
| 5241 | 0, /*tp_as_number*/ |
| 5242 | 0, /*tp_as_sequence*/ |
| 5243 | 0, /*tp_as_mapping*/ |
| 5244 | (hashfunc)0, /*tp_hash*/ |
| 5245 | (ternaryfunc)0, /*tp_call*/ |
| 5246 | (reprfunc)0, /*tp_str*/ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5247 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5248 | /* Space for future expansion */ |
| 5249 | 0L,0L,0L,0L, |
| 5250 | Unpicklertype__doc__ /* Documentation string */ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 5251 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5252 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5253 | static struct PyMethodDef cPickle_methods[] = { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 5254 | {"dump", (PyCFunction)cpm_dump, METH_VARARGS, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5255 | PyDoc_STR("dump(object, file, proto=0) -- " |
| 5256 | "Write an object in pickle format to the given file.\n" |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5257 | "\n" |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5258 | "See the Pickler docstring for the meaning of optional argument proto.") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5259 | }, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5260 | |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 5261 | {"dumps", (PyCFunction)cpm_dumps, METH_VARARGS, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5262 | PyDoc_STR("dumps(object, proto=0) -- " |
| 5263 | "Return a string containing an object in pickle format.\n" |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5264 | "\n" |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5265 | "See the Pickler docstring for the meaning of optional argument proto.") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5266 | }, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5267 | |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 5268 | {"load", (PyCFunction)cpm_load, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 5269 | PyDoc_STR("load(file) -- Load a pickle from the given file")}, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5270 | |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 5271 | {"loads", (PyCFunction)cpm_loads, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 5272 | PyDoc_STR("loads(string) -- Load a pickle from the given string")}, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5273 | |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 5274 | {"Pickler", (PyCFunction)get_Pickler, METH_VARARGS, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5275 | PyDoc_STR("Pickler(file, proto=0) -- Create a pickler.\n" |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5276 | "\n" |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5277 | "This takes a file-like object for writing a pickle data stream.\n" |
| 5278 | "The optional proto argument tells the pickler to use the given\n" |
| 5279 | "protocol; supported protocols are 0, 1, 2. The default\n" |
| 5280 | "protocol is 0, to be backwards compatible. (Protocol 0 is the\n" |
| 5281 | "only protocol that can be written to a file opened in text\n" |
| 5282 | "mode and read back successfully. When using a protocol higher\n" |
| 5283 | "than 0, make sure the file is opened in binary mode, both when\n" |
| 5284 | "pickling and unpickling.)\n" |
| 5285 | "\n" |
| 5286 | "Protocol 1 is more efficient than protocol 0; protocol 2 is\n" |
| 5287 | "more efficient than protocol 1.\n" |
| 5288 | "\n" |
| 5289 | "Specifying a negative protocol version selects the highest\n" |
| 5290 | "protocol version supported. The higher the protocol used, the\n" |
| 5291 | "more recent the version of Python needed to read the pickle\n" |
| 5292 | "produced.\n" |
| 5293 | "\n" |
| 5294 | "The file parameter must have a write() method that accepts a single\n" |
| 5295 | "string argument. It can thus be an open file object, a StringIO\n" |
| 5296 | "object, or any other custom object that meets this interface.\n") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5297 | }, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5298 | |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 5299 | {"Unpickler", (PyCFunction)get_Unpickler, METH_VARARGS, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5300 | PyDoc_STR("Unpickler(file) -- Create an unpickler.")}, |
| 5301 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5302 | { NULL, NULL } |
| 5303 | }; |
| 5304 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5305 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5306 | init_stuff(PyObject *module_dict) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5307 | { |
| 5308 | PyObject *copy_reg, *t, *r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5309 | |
Martin v. Löwis | 43c9d8a | 2002-04-01 12:34:33 +0000 | [diff] [blame] | 5310 | #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] | 5311 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5312 | INIT_STR(__class__); |
| 5313 | INIT_STR(__getinitargs__); |
| 5314 | INIT_STR(__dict__); |
| 5315 | INIT_STR(__getstate__); |
| 5316 | INIT_STR(__setstate__); |
| 5317 | INIT_STR(__name__); |
| 5318 | INIT_STR(__main__); |
| 5319 | INIT_STR(__reduce__); |
| 5320 | INIT_STR(write); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5321 | INIT_STR(append); |
| 5322 | INIT_STR(read); |
| 5323 | INIT_STR(readline); |
| 5324 | INIT_STR(copy_reg); |
| 5325 | INIT_STR(dispatch_table); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5326 | INIT_STR(__basicnew__); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5327 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5328 | if (!( copy_reg = PyImport_ImportModule("copy_reg"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5329 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5330 | |
Tim Peters | 1f1b2d2 | 2003-02-01 02:16:37 +0000 | [diff] [blame] | 5331 | /* This is special because we want to use a different |
| 5332 | one in restricted mode. */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5333 | dispatch_table = PyObject_GetAttr(copy_reg, dispatch_table_str); |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5334 | if (!dispatch_table) return -1; |
| 5335 | |
| 5336 | extension_registry = PyObject_GetAttrString(copy_reg, |
Guido van Rossum | d4b920c | 2003-02-04 01:54:49 +0000 | [diff] [blame] | 5337 | "_extension_registry"); |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5338 | if (!extension_registry) return -1; |
| 5339 | |
| 5340 | inverted_registry = PyObject_GetAttrString(copy_reg, |
Guido van Rossum | d4b920c | 2003-02-04 01:54:49 +0000 | [diff] [blame] | 5341 | "_inverted_registry"); |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5342 | if (!inverted_registry) return -1; |
| 5343 | |
| 5344 | extension_cache = PyObject_GetAttrString(copy_reg, |
Guido van Rossum | d4b920c | 2003-02-04 01:54:49 +0000 | [diff] [blame] | 5345 | "_extension_cache"); |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5346 | if (!extension_cache) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5347 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5348 | Py_DECREF(copy_reg); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5349 | |
Tim Peters | 731098b | 2003-02-04 20:56:09 +0000 | [diff] [blame] | 5350 | if (!(empty_tuple = PyTuple_New(0))) |
| 5351 | return -1; |
| 5352 | |
| 5353 | two_tuple = PyTuple_New(2); |
| 5354 | if (two_tuple == NULL) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5355 | return -1; |
Tim Peters | 3e667d5 | 2003-02-04 21:47:44 +0000 | [diff] [blame] | 5356 | /* We use this temp container with no regard to refcounts, or to |
| 5357 | * keeping containees alive. Exempt from GC, because we don't |
| 5358 | * want anything looking at two_tuple() by magic. |
| 5359 | */ |
| 5360 | PyObject_GC_UnTrack(two_tuple); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5361 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5362 | /* Ugh */ |
| 5363 | if (!( t=PyImport_ImportModule("__builtin__"))) return -1; |
| 5364 | if (PyDict_SetItemString(module_dict, "__builtins__", t) < 0) |
| 5365 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5366 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5367 | if (!( t=PyDict_New())) return -1; |
| 5368 | if (!( r=PyRun_String( |
| 5369 | "def __init__(self, *args): self.args=args\n\n" |
| 5370 | "def __str__(self):\n" |
| 5371 | " return self.args and ('%s' % self.args[0]) or '(what)'\n", |
| 5372 | Py_file_input, |
| 5373 | module_dict, t) )) return -1; |
| 5374 | Py_DECREF(r); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5375 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5376 | PickleError = PyErr_NewException("cPickle.PickleError", NULL, t); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5377 | if (!PickleError) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5378 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5379 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5380 | Py_DECREF(t); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5381 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5382 | PicklingError = PyErr_NewException("cPickle.PicklingError", |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5383 | PickleError, NULL); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5384 | if (!PicklingError) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5385 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5386 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5387 | if (!( t=PyDict_New())) return -1; |
| 5388 | if (!( r=PyRun_String( |
| 5389 | "def __init__(self, *args): self.args=args\n\n" |
| 5390 | "def __str__(self):\n" |
| 5391 | " a=self.args\n" |
| 5392 | " a=a and type(a[0]) or '(what)'\n" |
| 5393 | " return 'Cannot pickle %s objects' % a\n" |
| 5394 | , Py_file_input, |
| 5395 | module_dict, t) )) return -1; |
| 5396 | Py_DECREF(r); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 5397 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5398 | if (!( UnpickleableError = PyErr_NewException( |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5399 | "cPickle.UnpickleableError", PicklingError, t))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5400 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5401 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5402 | Py_DECREF(t); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5403 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5404 | if (!( UnpicklingError = PyErr_NewException("cPickle.UnpicklingError", |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5405 | PickleError, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5406 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5407 | |
Martin v. Löwis | 658009a | 2002-09-16 17:26:24 +0000 | [diff] [blame] | 5408 | if (!( BadPickleGet = PyErr_NewException("cPickle.BadPickleGet", |
| 5409 | UnpicklingError, NULL))) |
| 5410 | return -1; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5411 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5412 | if (PyDict_SetItemString(module_dict, "PickleError", |
| 5413 | PickleError) < 0) |
| 5414 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5415 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5416 | if (PyDict_SetItemString(module_dict, "PicklingError", |
| 5417 | PicklingError) < 0) |
| 5418 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5419 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5420 | if (PyDict_SetItemString(module_dict, "UnpicklingError", |
| 5421 | UnpicklingError) < 0) |
| 5422 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5423 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5424 | if (PyDict_SetItemString(module_dict, "UnpickleableError", |
| 5425 | UnpickleableError) < 0) |
| 5426 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5427 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5428 | if (PyDict_SetItemString(module_dict, "BadPickleGet", |
| 5429 | BadPickleGet) < 0) |
| 5430 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5431 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5432 | PycString_IMPORT; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 5433 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5434 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5435 | } |
| 5436 | |
Mark Hammond | fe51c6d | 2002-08-02 02:27:13 +0000 | [diff] [blame] | 5437 | #ifndef PyMODINIT_FUNC /* declarations for DLL import/export */ |
| 5438 | #define PyMODINIT_FUNC void |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 5439 | #endif |
Mark Hammond | fe51c6d | 2002-08-02 02:27:13 +0000 | [diff] [blame] | 5440 | PyMODINIT_FUNC |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5441 | initcPickle(void) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5442 | { |
| 5443 | PyObject *m, *d, *di, *v, *k; |
| 5444 | int i; |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5445 | char *rev = "1.71"; /* XXX when does this change? */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5446 | PyObject *format_version; |
| 5447 | PyObject *compatible_formats; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5448 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5449 | Picklertype.ob_type = &PyType_Type; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5450 | Unpicklertype.ob_type = &PyType_Type; |
| 5451 | PdataType.ob_type = &PyType_Type; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5452 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5453 | /* Initialize some pieces. We need to do this before module creation, |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5454 | * so we're forced to use a temporary dictionary. :( |
| 5455 | */ |
| 5456 | di = PyDict_New(); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5457 | if (!di) return; |
| 5458 | if (init_stuff(di) < 0) return; |
Guido van Rossum | ebba420 | 2000-09-07 14:35:37 +0000 | [diff] [blame] | 5459 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5460 | /* Create the module and add the functions */ |
| 5461 | m = Py_InitModule4("cPickle", cPickle_methods, |
| 5462 | cPickle_module_documentation, |
| 5463 | (PyObject*)NULL,PYTHON_API_VERSION); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5464 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5465 | /* Add some symbolic constants to the module */ |
| 5466 | d = PyModule_GetDict(m); |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5467 | v = PyString_FromString(rev); |
| 5468 | PyDict_SetItemString(d, "__version__", v); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5469 | Py_XDECREF(v); |
Barry Warsaw | 93d29b6 | 1997-01-14 17:45:08 +0000 | [diff] [blame] | 5470 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5471 | /* Copy data from di. Waaa. */ |
| 5472 | for (i=0; PyDict_Next(di, &i, &k, &v); ) { |
| 5473 | if (PyObject_SetItem(d, k, v) < 0) { |
| 5474 | Py_DECREF(di); |
| 5475 | return; |
| 5476 | } |
| 5477 | } |
| 5478 | Py_DECREF(di); |
Guido van Rossum | ebba420 | 2000-09-07 14:35:37 +0000 | [diff] [blame] | 5479 | |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5480 | /* These are purely informational; no code uses them. */ |
| 5481 | /* File format version we write. */ |
| 5482 | format_version = PyString_FromString("2.0"); |
| 5483 | /* Format versions we can read. */ |
| 5484 | compatible_formats = Py_BuildValue("[sssss]", |
| 5485 | "1.0", /* Original protocol 0 */ |
| 5486 | "1.1", /* Protocol 0 + INST */ |
| 5487 | "1.2", /* Original protocol 1 */ |
| 5488 | "1.3", /* Protocol 1 + BINFLOAT */ |
Tim Peters | 0dd23aa | 2003-02-04 00:30:46 +0000 | [diff] [blame] | 5489 | "2.0"); /* Original protocol 2 */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5490 | PyDict_SetItemString(d, "format_version", format_version); |
| 5491 | PyDict_SetItemString(d, "compatible_formats", compatible_formats); |
| 5492 | Py_XDECREF(format_version); |
| 5493 | Py_XDECREF(compatible_formats); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5494 | } |