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 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 90 | static char MARKv = MARK; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 91 | |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 92 | static PyObject *PickleError; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 93 | static PyObject *PicklingError; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 94 | static PyObject *UnpickleableError; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 95 | static PyObject *UnpicklingError; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 96 | static PyObject *BadPickleGet; |
| 97 | |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 98 | /* As the name says, an empty tuple. */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 99 | static PyObject *empty_tuple; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 100 | |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 101 | /* copy_reg.dispatch_table, {type_object: pickling_function} */ |
| 102 | static PyObject *dispatch_table; |
| 103 | |
| 104 | /* For EXT[124] opcodes. */ |
Guido van Rossum | d4b920c | 2003-02-04 01:54:49 +0000 | [diff] [blame] | 105 | /* copy_reg._extension_registry, {(module_name, function_name): code} */ |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 106 | static PyObject *extension_registry; |
Guido van Rossum | d4b920c | 2003-02-04 01:54:49 +0000 | [diff] [blame] | 107 | /* copy_reg._inverted_registry, {code: (module_name, function_name)} */ |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 108 | static PyObject *inverted_registry; |
Guido van Rossum | d4b920c | 2003-02-04 01:54:49 +0000 | [diff] [blame] | 109 | /* copy_reg._extension_cache, {code: object} */ |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 110 | static PyObject *extension_cache; |
| 111 | |
Tim Peters | 731098b | 2003-02-04 20:56:09 +0000 | [diff] [blame] | 112 | /* For looking up name pairs in copy_reg._extension_registry. */ |
| 113 | static PyObject *two_tuple; |
| 114 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 115 | static PyObject *__class___str, *__getinitargs___str, *__dict___str, |
| 116 | *__getstate___str, *__setstate___str, *__name___str, *__reduce___str, |
Tim Peters | 1f1b2d2 | 2003-02-01 02:16:37 +0000 | [diff] [blame] | 117 | *write_str, *append_str, |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 118 | *read_str, *readline_str, *__main___str, *__basicnew___str, |
Tim Peters | 1f1b2d2 | 2003-02-01 02:16:37 +0000 | [diff] [blame] | 119 | *copy_reg_str, *dispatch_table_str; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 120 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 121 | /************************************************************************* |
| 122 | Internal Data type for pickle data. */ |
| 123 | |
| 124 | typedef struct { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 125 | PyObject_HEAD |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 126 | int length; /* number of initial slots in data currently used */ |
| 127 | int size; /* number of slots in data allocated */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 128 | PyObject **data; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 129 | } Pdata; |
| 130 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 131 | static void |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 132 | Pdata_dealloc(Pdata *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 133 | { |
| 134 | int i; |
| 135 | PyObject **p; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 136 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 137 | for (i = self->length, p = self->data; --i >= 0; p++) { |
| 138 | Py_DECREF(*p); |
| 139 | } |
| 140 | if (self->data) |
| 141 | free(self->data); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 142 | PyObject_Del(self); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 143 | } |
| 144 | |
| 145 | static PyTypeObject PdataType = { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 146 | PyObject_HEAD_INIT(NULL) 0, "cPickle.Pdata", sizeof(Pdata), 0, |
| 147 | (destructor)Pdata_dealloc, |
| 148 | 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] | 149 | }; |
| 150 | |
| 151 | #define Pdata_Check(O) ((O)->ob_type == &PdataType) |
| 152 | |
| 153 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 154 | Pdata_New(void) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 155 | { |
| 156 | Pdata *self; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 157 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 158 | if (!(self = PyObject_New(Pdata, &PdataType))) |
| 159 | return NULL; |
| 160 | self->size = 8; |
| 161 | self->length = 0; |
| 162 | self->data = malloc(self->size * sizeof(PyObject*)); |
| 163 | if (self->data) |
| 164 | return (PyObject*)self; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 165 | Py_DECREF(self); |
| 166 | return PyErr_NoMemory(); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 167 | } |
| 168 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 169 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 170 | stackUnderflow(void) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 171 | { |
| 172 | PyErr_SetString(UnpicklingError, "unpickling stack underflow"); |
| 173 | return -1; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 174 | } |
| 175 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 176 | /* Retain only the initial clearto items. If clearto >= the current |
| 177 | * number of items, this is a (non-erroneous) NOP. |
| 178 | */ |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 179 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 180 | Pdata_clear(Pdata *self, int clearto) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 181 | { |
| 182 | int i; |
| 183 | PyObject **p; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 184 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 185 | if (clearto < 0) return stackUnderflow(); |
| 186 | if (clearto >= self->length) return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 187 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 188 | for (i = self->length, p = self->data + clearto; |
| 189 | --i >= clearto; |
| 190 | p++) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 191 | Py_DECREF(*p); |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 192 | } |
| 193 | self->length = clearto; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 194 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 195 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 196 | } |
| 197 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 198 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 199 | Pdata_grow(Pdata *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 200 | { |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 201 | int bigger; |
| 202 | size_t nbytes; |
| 203 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 204 | bigger = self->size << 1; |
Tim Peters | e0a3907 | 2003-02-03 15:45:56 +0000 | [diff] [blame] | 205 | if (bigger <= 0) /* was 0, or new value overflows */ |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 206 | goto nomemory; |
| 207 | if ((int)(size_t)bigger != bigger) |
| 208 | goto nomemory; |
| 209 | nbytes = (size_t)bigger * sizeof(PyObject *); |
| 210 | if (nbytes / sizeof(PyObject *) != (size_t)bigger) |
| 211 | goto nomemory; |
| 212 | self->data = realloc(self->data, nbytes); |
| 213 | if (self->data == NULL) |
| 214 | goto nomemory; |
| 215 | self->size = bigger; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 216 | return 0; |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 217 | |
| 218 | nomemory: |
| 219 | self->size = 0; |
| 220 | PyErr_NoMemory(); |
| 221 | return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 222 | } |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 223 | |
Tim Peters | e0a3907 | 2003-02-03 15:45:56 +0000 | [diff] [blame] | 224 | /* D is a Pdata*. Pop the topmost element and store it into V, which |
| 225 | * must be an lvalue holding PyObject*. On stack underflow, UnpicklingError |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 226 | * is raised and V is set to NULL. D and V may be evaluated several times. |
| 227 | */ |
| 228 | #define PDATA_POP(D, V) { \ |
Tim Peters | e0a3907 | 2003-02-03 15:45:56 +0000 | [diff] [blame] | 229 | if ((D)->length) \ |
| 230 | (V) = (D)->data[--((D)->length)]; \ |
| 231 | else { \ |
| 232 | PyErr_SetString(UnpicklingError, "bad pickle data"); \ |
| 233 | (V) = NULL; \ |
| 234 | } \ |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 235 | } |
| 236 | |
Tim Peters | e0a3907 | 2003-02-03 15:45:56 +0000 | [diff] [blame] | 237 | /* PDATA_PUSH and PDATA_APPEND both push rvalue PyObject* O on to Pdata* |
| 238 | * D. If the Pdata stack can't be grown to hold the new value, both |
| 239 | * raise MemoryError and execute "return ER". The difference is in ownership |
| 240 | * of O after: _PUSH transfers ownership of O from the caller to the stack |
| 241 | * (no incref of O is done, and in case of error O is decrefed), while |
| 242 | * _APPEND pushes a new reference. |
| 243 | */ |
| 244 | |
| 245 | /* Push O on stack D, giving ownership of O to the stack. */ |
| 246 | #define PDATA_PUSH(D, O, ER) { \ |
| 247 | if (((Pdata*)(D))->length == ((Pdata*)(D))->size && \ |
| 248 | Pdata_grow((Pdata*)(D)) < 0) { \ |
| 249 | Py_DECREF(O); \ |
| 250 | return ER; \ |
| 251 | } \ |
| 252 | ((Pdata*)(D))->data[((Pdata*)(D))->length++] = (O); \ |
| 253 | } |
| 254 | |
| 255 | /* Push O on stack D, pushing a new reference. */ |
| 256 | #define PDATA_APPEND(D, O, ER) { \ |
| 257 | if (((Pdata*)(D))->length == ((Pdata*)(D))->size && \ |
| 258 | Pdata_grow((Pdata*)(D)) < 0) \ |
| 259 | return ER; \ |
| 260 | Py_INCREF(O); \ |
| 261 | ((Pdata*)(D))->data[((Pdata*)(D))->length++] = (O); \ |
| 262 | } |
| 263 | |
| 264 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 265 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 266 | Pdata_popTuple(Pdata *self, int start) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 267 | { |
| 268 | PyObject *r; |
| 269 | int i, j, l; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 270 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 271 | l = self->length-start; |
| 272 | r = PyTuple_New(l); |
| 273 | if (r == NULL) |
| 274 | return NULL; |
| 275 | for (i = start, j = 0 ; j < l; i++, j++) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 276 | PyTuple_SET_ITEM(r, j, self->data[i]); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 277 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 278 | self->length = start; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 279 | return r; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 280 | } |
| 281 | |
| 282 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 283 | Pdata_popList(Pdata *self, int start) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 284 | { |
| 285 | PyObject *r; |
| 286 | int i, j, l; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 287 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 288 | l=self->length-start; |
| 289 | if (!( r=PyList_New(l))) return NULL; |
| 290 | for (i=start, j=0 ; j < l; i++, j++) |
| 291 | PyList_SET_ITEM(r, j, self->data[i]); |
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 | self->length=start; |
| 294 | return r; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 295 | } |
| 296 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 297 | /*************************************************************************/ |
| 298 | |
| 299 | #define ARG_TUP(self, o) { \ |
| 300 | if (self->arg || (self->arg=PyTuple_New(1))) { \ |
| 301 | Py_XDECREF(PyTuple_GET_ITEM(self->arg,0)); \ |
| 302 | PyTuple_SET_ITEM(self->arg,0,o); \ |
| 303 | } \ |
| 304 | else { \ |
| 305 | Py_DECREF(o); \ |
| 306 | } \ |
| 307 | } |
| 308 | |
| 309 | #define FREE_ARG_TUP(self) { \ |
| 310 | if (self->arg->ob_refcnt > 1) { \ |
| 311 | Py_DECREF(self->arg); \ |
| 312 | self->arg=NULL; \ |
| 313 | } \ |
| 314 | } |
| 315 | |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 316 | typedef struct Picklerobject { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 317 | PyObject_HEAD |
| 318 | FILE *fp; |
| 319 | PyObject *write; |
| 320 | PyObject *file; |
| 321 | PyObject *memo; |
| 322 | PyObject *arg; |
| 323 | PyObject *pers_func; |
| 324 | PyObject *inst_pers_func; |
Tim Peters | 797ec24 | 2003-02-01 06:22:36 +0000 | [diff] [blame] | 325 | |
| 326 | /* pickle protocol number, >= 0 */ |
| 327 | int proto; |
| 328 | |
| 329 | /* bool, true if proto > 0 */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 330 | int bin; |
Tim Peters | 797ec24 | 2003-02-01 06:22:36 +0000 | [diff] [blame] | 331 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 332 | 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] | 333 | int nesting; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 334 | int (*write_func)(struct Picklerobject *, char *, int); |
| 335 | char *write_buf; |
| 336 | int buf_size; |
| 337 | PyObject *dispatch_table; |
| 338 | int fast_container; /* count nested container dumps */ |
| 339 | PyObject *fast_memo; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 340 | } Picklerobject; |
| 341 | |
Barry Warsaw | 52acb49 | 2001-12-21 20:04:22 +0000 | [diff] [blame] | 342 | #ifndef PY_CPICKLE_FAST_LIMIT |
| 343 | #define PY_CPICKLE_FAST_LIMIT 50 |
| 344 | #endif |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 345 | |
Jeremy Hylton | 938ace6 | 2002-07-17 16:30:39 +0000 | [diff] [blame] | 346 | static PyTypeObject Picklertype; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 347 | |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 348 | typedef struct Unpicklerobject { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 349 | PyObject_HEAD |
| 350 | FILE *fp; |
| 351 | PyObject *file; |
| 352 | PyObject *readline; |
| 353 | PyObject *read; |
| 354 | PyObject *memo; |
| 355 | PyObject *arg; |
| 356 | Pdata *stack; |
| 357 | PyObject *mark; |
| 358 | PyObject *pers_func; |
| 359 | PyObject *last_string; |
| 360 | int *marks; |
| 361 | int num_marks; |
| 362 | int marks_size; |
| 363 | int (*read_func)(struct Unpicklerobject *, char **, int); |
| 364 | int (*readline_func)(struct Unpicklerobject *, char **); |
| 365 | int buf_size; |
| 366 | char *buf; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 367 | PyObject *find_class; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 368 | } Unpicklerobject; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 369 | |
Jeremy Hylton | 938ace6 | 2002-07-17 16:30:39 +0000 | [diff] [blame] | 370 | static PyTypeObject Unpicklertype; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 371 | |
Thomas Wouters | 4789b3a | 2000-07-24 11:36:47 +0000 | [diff] [blame] | 372 | /* Forward decls that need the above structs */ |
| 373 | static int save(Picklerobject *, PyObject *, int); |
| 374 | static int put2(Picklerobject *, PyObject *); |
| 375 | |
Guido van Rossum | d385d59 | 1997-04-09 17:47:47 +0000 | [diff] [blame] | 376 | static |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 377 | PyObject * |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 378 | cPickle_ErrFormat(PyObject *ErrType, char *stringformat, char *format, ...) |
| 379 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 380 | va_list va; |
| 381 | PyObject *args=0, *retval=0; |
| 382 | va_start(va, format); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 383 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 384 | if (format) args = Py_VaBuildValue(format, va); |
| 385 | va_end(va); |
| 386 | if (format && ! args) return NULL; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 387 | if (stringformat && !(retval=PyString_FromString(stringformat))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 388 | return NULL; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 389 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 390 | if (retval) { |
| 391 | if (args) { |
| 392 | PyObject *v; |
| 393 | v=PyString_Format(retval, args); |
| 394 | Py_DECREF(retval); |
| 395 | Py_DECREF(args); |
| 396 | if (! v) return NULL; |
| 397 | retval=v; |
| 398 | } |
| 399 | } |
| 400 | else |
| 401 | if (args) retval=args; |
| 402 | else { |
| 403 | PyErr_SetObject(ErrType,Py_None); |
| 404 | return NULL; |
| 405 | } |
| 406 | PyErr_SetObject(ErrType,retval); |
| 407 | Py_DECREF(retval); |
| 408 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 409 | } |
| 410 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 411 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 412 | write_file(Picklerobject *self, char *s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 413 | { |
| 414 | size_t nbyteswritten; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 415 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 416 | if (s == NULL) { |
| 417 | return 0; |
| 418 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 419 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 420 | Py_BEGIN_ALLOW_THREADS |
Jeremy Hylton | 7fa4bfa | 2002-07-18 20:58:57 +0000 | [diff] [blame] | 421 | nbyteswritten = fwrite(s, sizeof(char), n, self->fp); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 422 | Py_END_ALLOW_THREADS |
Jeremy Hylton | 7fa4bfa | 2002-07-18 20:58:57 +0000 | [diff] [blame] | 423 | if (nbyteswritten != (size_t)n) { |
| 424 | PyErr_SetFromErrno(PyExc_IOError); |
| 425 | return -1; |
| 426 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 427 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 428 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 429 | } |
| 430 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 431 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 432 | write_cStringIO(Picklerobject *self, char *s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 433 | { |
| 434 | if (s == NULL) { |
| 435 | return 0; |
| 436 | } |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 437 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 438 | if (PycStringIO->cwrite((PyObject *)self->file, s, n) != n) { |
| 439 | return -1; |
| 440 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 441 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 442 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 443 | } |
| 444 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 445 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 446 | write_none(Picklerobject *self, char *s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 447 | { |
| 448 | if (s == NULL) return 0; |
| 449 | return n; |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 450 | } |
| 451 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 452 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 453 | write_other(Picklerobject *self, char *s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 454 | { |
| 455 | PyObject *py_str = 0, *junk = 0; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 456 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 457 | if (s == NULL) { |
| 458 | if (!( self->buf_size )) return 0; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 459 | py_str = PyString_FromStringAndSize(self->write_buf, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 460 | self->buf_size); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 461 | if (!py_str) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 462 | return -1; |
| 463 | } |
| 464 | else { |
| 465 | if (self->buf_size && (n + self->buf_size) > WRITE_BUF_SIZE) { |
| 466 | if (write_other(self, NULL, 0) < 0) |
| 467 | return -1; |
| 468 | } |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 469 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 470 | if (n > WRITE_BUF_SIZE) { |
| 471 | if (!( py_str = |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 472 | PyString_FromStringAndSize(s, n))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 473 | return -1; |
| 474 | } |
| 475 | else { |
| 476 | memcpy(self->write_buf + self->buf_size, s, n); |
| 477 | self->buf_size += n; |
| 478 | return n; |
| 479 | } |
| 480 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 481 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 482 | if (self->write) { |
| 483 | /* object with write method */ |
| 484 | ARG_TUP(self, py_str); |
| 485 | if (self->arg) { |
| 486 | junk = PyObject_Call(self->write, self->arg, NULL); |
| 487 | FREE_ARG_TUP(self); |
| 488 | } |
| 489 | if (junk) Py_DECREF(junk); |
| 490 | else return -1; |
| 491 | } |
| 492 | else |
| 493 | PDATA_PUSH(self->file, py_str, -1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 494 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 495 | self->buf_size = 0; |
| 496 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 497 | } |
| 498 | |
| 499 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 500 | static int |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 501 | read_file(Unpicklerobject *self, char **s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 502 | { |
| 503 | size_t nbytesread; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 504 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 505 | if (self->buf_size == 0) { |
| 506 | int size; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 507 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 508 | size = ((n < 32) ? 32 : n); |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 509 | if (!( self->buf = (char *)malloc(size))) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 510 | PyErr_NoMemory(); |
| 511 | return -1; |
| 512 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 513 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 514 | self->buf_size = size; |
| 515 | } |
| 516 | else if (n > self->buf_size) { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 517 | self->buf = (char *)realloc(self->buf, n); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 518 | if (!self->buf) { |
| 519 | PyErr_NoMemory(); |
| 520 | return -1; |
| 521 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 522 | self->buf_size = n; |
| 523 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 524 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 525 | Py_BEGIN_ALLOW_THREADS |
| 526 | nbytesread = fread(self->buf, sizeof(char), n, self->fp); |
| 527 | Py_END_ALLOW_THREADS |
| 528 | if (nbytesread != (size_t)n) { |
| 529 | if (feof(self->fp)) { |
| 530 | PyErr_SetNone(PyExc_EOFError); |
| 531 | return -1; |
| 532 | } |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 533 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 534 | PyErr_SetFromErrno(PyExc_IOError); |
| 535 | return -1; |
| 536 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 537 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 538 | *s = self->buf; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 539 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 540 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 541 | } |
| 542 | |
| 543 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 544 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 545 | readline_file(Unpicklerobject *self, char **s) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 546 | { |
| 547 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 548 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 549 | if (self->buf_size == 0) { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 550 | if (!( self->buf = (char *)malloc(40))) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 551 | PyErr_NoMemory(); |
| 552 | return -1; |
| 553 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 554 | self->buf_size = 40; |
| 555 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 556 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 557 | i = 0; |
| 558 | while (1) { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 559 | int bigger; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 560 | for (; i < (self->buf_size - 1); i++) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 561 | if (feof(self->fp) || |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 562 | (self->buf[i] = getc(self->fp)) == '\n') { |
| 563 | self->buf[i + 1] = '\0'; |
| 564 | *s = self->buf; |
| 565 | return i + 1; |
| 566 | } |
| 567 | } |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 568 | bigger = self->buf_size << 1; |
| 569 | if (bigger <= 0) { /* overflow */ |
| 570 | PyErr_NoMemory(); |
| 571 | return -1; |
| 572 | } |
| 573 | self->buf = (char *)realloc(self->buf, bigger); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 574 | if (!self->buf) { |
| 575 | PyErr_NoMemory(); |
| 576 | return -1; |
| 577 | } |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 578 | self->buf_size = bigger; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 579 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 580 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 581 | |
| 582 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 583 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 584 | read_cStringIO(Unpicklerobject *self, char **s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 585 | { |
| 586 | char *ptr; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 587 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 588 | if (PycStringIO->cread((PyObject *)self->file, &ptr, n) != n) { |
| 589 | PyErr_SetNone(PyExc_EOFError); |
| 590 | return -1; |
| 591 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 592 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 593 | *s = ptr; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 594 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 595 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 596 | } |
| 597 | |
| 598 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 599 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 600 | readline_cStringIO(Unpicklerobject *self, char **s) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 601 | { |
| 602 | int n; |
| 603 | char *ptr; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 604 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 605 | if ((n = PycStringIO->creadline((PyObject *)self->file, &ptr)) < 0) { |
| 606 | return -1; |
| 607 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 608 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 609 | *s = ptr; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 610 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 611 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 612 | } |
| 613 | |
| 614 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 615 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 616 | read_other(Unpicklerobject *self, char **s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 617 | { |
| 618 | PyObject *bytes, *str=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 619 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 620 | if (!( bytes = PyInt_FromLong(n))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 621 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 622 | ARG_TUP(self, bytes); |
| 623 | if (self->arg) { |
| 624 | str = PyObject_Call(self->read, self->arg, NULL); |
| 625 | FREE_ARG_TUP(self); |
| 626 | } |
| 627 | if (! str) return -1; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 628 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 629 | Py_XDECREF(self->last_string); |
| 630 | self->last_string = str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 631 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 632 | if (! (*s = PyString_AsString(str))) return -1; |
| 633 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 634 | } |
| 635 | |
| 636 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 637 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 638 | readline_other(Unpicklerobject *self, char **s) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 639 | { |
| 640 | PyObject *str; |
| 641 | int str_size; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 642 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 643 | if (!( str = PyObject_CallObject(self->readline, empty_tuple))) { |
| 644 | return -1; |
| 645 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 646 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 647 | if ((str_size = PyString_Size(str)) < 0) |
| 648 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 649 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 650 | Py_XDECREF(self->last_string); |
| 651 | self->last_string = str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 652 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 653 | if (! (*s = PyString_AsString(str))) |
| 654 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 655 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 656 | return str_size; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 657 | } |
| 658 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 659 | /* Copy the first n bytes from s into newly malloc'ed memory, plus a |
| 660 | * trailing 0 byte. Return a pointer to that, or NULL if out of memory. |
| 661 | * The caller is responsible for free()'ing the return value. |
| 662 | */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 663 | static char * |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 664 | pystrndup(char *s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 665 | { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 666 | char *r = (char *)malloc(n+1); |
| 667 | if (r == NULL) |
| 668 | return (char*)PyErr_NoMemory(); |
| 669 | memcpy(r, s, n); |
| 670 | r[n] = 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 671 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 672 | } |
| 673 | |
| 674 | |
| 675 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 676 | get(Picklerobject *self, PyObject *id) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 677 | { |
| 678 | PyObject *value, *mv; |
| 679 | long c_value; |
| 680 | char s[30]; |
| 681 | size_t len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 682 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 683 | if (!( mv = PyDict_GetItem(self->memo, id))) { |
| 684 | PyErr_SetObject(PyExc_KeyError, id); |
| 685 | return -1; |
| 686 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 687 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 688 | if (!( value = PyTuple_GetItem(mv, 0))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 689 | return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 690 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 691 | if (!( PyInt_Check(value))) { |
| 692 | PyErr_SetString(PicklingError, "no int where int expected in memo"); |
| 693 | return -1; |
| 694 | } |
| 695 | c_value = PyInt_AS_LONG((PyIntObject*)value); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 696 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 697 | if (!self->bin) { |
| 698 | s[0] = GET; |
| 699 | PyOS_snprintf(s + 1, sizeof(s) - 1, "%ld\n", c_value); |
| 700 | len = strlen(s); |
| 701 | } |
| 702 | else if (Pdata_Check(self->file)) { |
| 703 | if (write_other(self, NULL, 0) < 0) return -1; |
| 704 | PDATA_APPEND(self->file, mv, -1); |
| 705 | return 0; |
| 706 | } |
| 707 | else { |
| 708 | if (c_value < 256) { |
| 709 | s[0] = BINGET; |
| 710 | s[1] = (int)(c_value & 0xff); |
| 711 | len = 2; |
| 712 | } |
| 713 | else { |
| 714 | s[0] = LONG_BINGET; |
| 715 | s[1] = (int)(c_value & 0xff); |
| 716 | s[2] = (int)((c_value >> 8) & 0xff); |
| 717 | s[3] = (int)((c_value >> 16) & 0xff); |
| 718 | s[4] = (int)((c_value >> 24) & 0xff); |
| 719 | len = 5; |
| 720 | } |
| 721 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 722 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 723 | if (self->write_func(self, s, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 724 | return -1; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 725 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 726 | return 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 727 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 728 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 729 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 730 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 731 | put(Picklerobject *self, PyObject *ob) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 732 | { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 733 | if (ob->ob_refcnt < 2 || self->fast) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 734 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 735 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 736 | return put2(self, ob); |
| 737 | } |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 738 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 739 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 740 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 741 | put2(Picklerobject *self, PyObject *ob) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 742 | { |
| 743 | char c_str[30]; |
| 744 | int p; |
| 745 | size_t len; |
| 746 | int res = -1; |
| 747 | PyObject *py_ob_id = 0, *memo_len = 0, *t = 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 748 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 749 | if (self->fast) |
| 750 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 751 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 752 | if ((p = PyDict_Size(self->memo)) < 0) |
| 753 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 754 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 755 | /* Make sure memo keys are positive! */ |
Tim Peters | 70b02d7 | 2003-02-02 17:26:40 +0000 | [diff] [blame] | 756 | /* XXX Why? |
| 757 | * XXX And does "positive" really mean non-negative? |
| 758 | * XXX pickle.py starts with PUT index 0, not 1. This makes for |
| 759 | * XXX gratuitous differences between the pickling modules. |
| 760 | */ |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 761 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 762 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 763 | if (!( py_ob_id = PyLong_FromVoidPtr(ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 764 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 765 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 766 | if (!( memo_len = PyInt_FromLong(p))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 767 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 768 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 769 | if (!( t = PyTuple_New(2))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 770 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 771 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 772 | PyTuple_SET_ITEM(t, 0, memo_len); |
| 773 | Py_INCREF(memo_len); |
| 774 | PyTuple_SET_ITEM(t, 1, ob); |
| 775 | Py_INCREF(ob); |
| 776 | |
| 777 | if (PyDict_SetItem(self->memo, py_ob_id, t) < 0) |
| 778 | goto finally; |
| 779 | |
| 780 | if (!self->bin) { |
| 781 | c_str[0] = PUT; |
| 782 | PyOS_snprintf(c_str + 1, sizeof(c_str) - 1, "%d\n", p); |
| 783 | len = strlen(c_str); |
| 784 | } |
| 785 | else if (Pdata_Check(self->file)) { |
| 786 | if (write_other(self, NULL, 0) < 0) return -1; |
| 787 | PDATA_APPEND(self->file, memo_len, -1); |
| 788 | res=0; /* Job well done ;) */ |
| 789 | goto finally; |
| 790 | } |
| 791 | else { |
| 792 | if (p >= 256) { |
| 793 | c_str[0] = LONG_BINPUT; |
| 794 | c_str[1] = (int)(p & 0xff); |
| 795 | c_str[2] = (int)((p >> 8) & 0xff); |
| 796 | c_str[3] = (int)((p >> 16) & 0xff); |
| 797 | c_str[4] = (int)((p >> 24) & 0xff); |
| 798 | len = 5; |
| 799 | } |
| 800 | else { |
| 801 | c_str[0] = BINPUT; |
| 802 | c_str[1] = p; |
| 803 | len = 2; |
| 804 | } |
| 805 | } |
| 806 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 807 | if (self->write_func(self, c_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 808 | goto finally; |
| 809 | |
| 810 | res = 0; |
| 811 | |
| 812 | finally: |
| 813 | Py_XDECREF(py_ob_id); |
| 814 | Py_XDECREF(memo_len); |
| 815 | Py_XDECREF(t); |
| 816 | |
| 817 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 818 | } |
| 819 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 820 | #define PyImport_Import cPickle_Import |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 821 | |
| 822 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 823 | PyImport_Import(PyObject *module_name) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 824 | { |
| 825 | static PyObject *silly_list=0, *__builtins___str=0, *__import___str; |
| 826 | static PyObject *standard_builtins=0; |
| 827 | PyObject *globals=0, *__import__=0, *__builtins__=0, *r=0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 828 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 829 | if (!( silly_list )) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 830 | if (!( __import___str=PyString_FromString("__import__"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 831 | return NULL; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 832 | if (!( __builtins___str=PyString_FromString("__builtins__"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 833 | return NULL; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 834 | if (!( silly_list=Py_BuildValue("[s]","__doc__"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 835 | return NULL; |
| 836 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 837 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 838 | if ((globals=PyEval_GetGlobals())) { |
| 839 | Py_INCREF(globals); |
| 840 | __builtins__=PyObject_GetItem(globals,__builtins___str); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 841 | if (!__builtins__) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 842 | goto err; |
| 843 | } |
| 844 | else { |
| 845 | PyErr_Clear(); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 846 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 847 | if (!(standard_builtins || |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 848 | (standard_builtins=PyImport_ImportModule("__builtin__")))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 849 | return NULL; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 850 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 851 | __builtins__=standard_builtins; |
| 852 | Py_INCREF(__builtins__); |
| 853 | globals = Py_BuildValue("{sO}", "__builtins__", __builtins__); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 854 | if (!globals) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 855 | goto err; |
| 856 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 857 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 858 | if (PyDict_Check(__builtins__)) { |
| 859 | __import__=PyObject_GetItem(__builtins__,__import___str); |
| 860 | if (!__import__) goto err; |
| 861 | } |
| 862 | else { |
| 863 | __import__=PyObject_GetAttr(__builtins__,__import___str); |
| 864 | if (!__import__) goto err; |
| 865 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 866 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 867 | r=PyObject_CallFunction(__import__,"OOOO", |
| 868 | module_name, globals, globals, silly_list); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 869 | if (!r) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 870 | goto err; |
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 | Py_DECREF(globals); |
| 873 | Py_DECREF(__builtins__); |
| 874 | Py_DECREF(__import__); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 875 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 876 | return r; |
| 877 | err: |
| 878 | Py_XDECREF(globals); |
| 879 | Py_XDECREF(__builtins__); |
| 880 | Py_XDECREF(__import__); |
| 881 | return NULL; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 882 | } |
| 883 | |
| 884 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 885 | whichmodule(PyObject *global, PyObject *global_name) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 886 | { |
| 887 | int i, j; |
| 888 | PyObject *module = 0, *modules_dict = 0, |
| 889 | *global_name_attr = 0, *name = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 890 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 891 | module = PyObject_GetAttrString(global, "__module__"); |
| 892 | if (module) return module; |
| 893 | PyErr_Clear(); |
Guido van Rossum | 4518823 | 1997-09-28 05:38:51 +0000 | [diff] [blame] | 894 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 895 | if (!( modules_dict = PySys_GetObject("modules"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 896 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 897 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 898 | i = 0; |
| 899 | while ((j = PyDict_Next(modules_dict, &i, &name, &module))) { |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 900 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 901 | if (PyObject_Compare(name, __main___str)==0) continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 902 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 903 | global_name_attr = PyObject_GetAttr(module, global_name); |
| 904 | if (!global_name_attr) { |
| 905 | PyErr_Clear(); |
| 906 | continue; |
| 907 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 908 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 909 | if (global_name_attr != global) { |
| 910 | Py_DECREF(global_name_attr); |
| 911 | continue; |
| 912 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 913 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 914 | Py_DECREF(global_name_attr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 915 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 916 | break; |
| 917 | } |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 918 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 919 | /* The following implements the rule in pickle.py added in 1.5 |
| 920 | that used __main__ if no module is found. I don't actually |
| 921 | like this rule. jlf |
| 922 | */ |
| 923 | if (!j) { |
| 924 | j=1; |
| 925 | name=__main___str; |
| 926 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 927 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 928 | Py_INCREF(name); |
| 929 | return name; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 930 | } |
| 931 | |
| 932 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 933 | static int |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 934 | fast_save_enter(Picklerobject *self, PyObject *obj) |
| 935 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 936 | /* if fast_container < 0, we're doing an error exit. */ |
| 937 | if (++self->fast_container >= PY_CPICKLE_FAST_LIMIT) { |
| 938 | PyObject *key = NULL; |
| 939 | if (self->fast_memo == NULL) { |
| 940 | self->fast_memo = PyDict_New(); |
| 941 | if (self->fast_memo == NULL) { |
| 942 | self->fast_container = -1; |
| 943 | return 0; |
| 944 | } |
| 945 | } |
| 946 | key = PyLong_FromVoidPtr(obj); |
| 947 | if (key == NULL) |
| 948 | return 0; |
| 949 | if (PyDict_GetItem(self->fast_memo, key)) { |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 950 | Py_DECREF(key); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 951 | PyErr_Format(PyExc_ValueError, |
| 952 | "fast mode: can't pickle cyclic objects including object type %s at %p", |
| 953 | obj->ob_type->tp_name, obj); |
| 954 | self->fast_container = -1; |
| 955 | return 0; |
| 956 | } |
| 957 | if (PyDict_SetItem(self->fast_memo, key, Py_None) < 0) { |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 958 | Py_DECREF(key); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 959 | self->fast_container = -1; |
| 960 | return 0; |
| 961 | } |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 962 | Py_DECREF(key); |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 963 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 964 | return 1; |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 965 | } |
| 966 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 967 | int |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 968 | fast_save_leave(Picklerobject *self, PyObject *obj) |
| 969 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 970 | if (self->fast_container-- >= PY_CPICKLE_FAST_LIMIT) { |
| 971 | PyObject *key = PyLong_FromVoidPtr(obj); |
| 972 | if (key == NULL) |
| 973 | return 0; |
| 974 | if (PyDict_DelItem(self->fast_memo, key) < 0) { |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 975 | Py_DECREF(key); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 976 | return 0; |
| 977 | } |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 978 | Py_DECREF(key); |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 979 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 980 | return 1; |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 981 | } |
| 982 | |
| 983 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 984 | save_none(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 985 | { |
| 986 | static char none = NONE; |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 987 | if (self->write_func(self, &none, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 988 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 989 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 990 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 991 | } |
| 992 | |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 993 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 994 | save_bool(Picklerobject *self, PyObject *args) |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 995 | { |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 996 | static char *buf[2] = {FALSE, TRUE}; |
| 997 | static char len[2] = {sizeof(FALSE)-1, sizeof(TRUE)-1}; |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 998 | long l = PyInt_AS_LONG((PyIntObject *)args); |
| 999 | |
Tim Peters | 3c67d79 | 2003-02-02 17:59:11 +0000 | [diff] [blame] | 1000 | if (self->proto >= 2) { |
| 1001 | char opcode = l ? NEWTRUE : NEWFALSE; |
| 1002 | if (self->write_func(self, &opcode, 1) < 0) |
| 1003 | return -1; |
| 1004 | } |
| 1005 | else if (self->write_func(self, buf[l], len[l]) < 0) |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 1006 | return -1; |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 1007 | return 0; |
| 1008 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1009 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1010 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1011 | save_int(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1012 | { |
| 1013 | char c_str[32]; |
| 1014 | long l = PyInt_AS_LONG((PyIntObject *)args); |
| 1015 | int len = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1016 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1017 | if (!self->bin |
Guido van Rossum | de8d6d7 | 1997-05-13 18:00:44 +0000 | [diff] [blame] | 1018 | #if SIZEOF_LONG > 4 |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1019 | || l > 0x7fffffffL |
| 1020 | || l < -0x80000000L |
Guido van Rossum | de8d6d7 | 1997-05-13 18:00:44 +0000 | [diff] [blame] | 1021 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1022 | ) { |
| 1023 | /* Text-mode pickle, or long too big to fit in the 4-byte |
| 1024 | * signed BININT format: store as a string. |
| 1025 | */ |
| 1026 | c_str[0] = INT; |
| 1027 | PyOS_snprintf(c_str + 1, sizeof(c_str) - 1, "%ld\n", l); |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1028 | if (self->write_func(self, c_str, strlen(c_str)) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1029 | return -1; |
| 1030 | } |
| 1031 | else { |
| 1032 | /* Binary pickle and l fits in a signed 4-byte int. */ |
| 1033 | c_str[1] = (int)( l & 0xff); |
| 1034 | c_str[2] = (int)((l >> 8) & 0xff); |
| 1035 | c_str[3] = (int)((l >> 16) & 0xff); |
| 1036 | c_str[4] = (int)((l >> 24) & 0xff); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1037 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1038 | if ((c_str[4] == 0) && (c_str[3] == 0)) { |
| 1039 | if (c_str[2] == 0) { |
| 1040 | c_str[0] = BININT1; |
| 1041 | len = 2; |
| 1042 | } |
| 1043 | else { |
| 1044 | c_str[0] = BININT2; |
| 1045 | len = 3; |
| 1046 | } |
| 1047 | } |
| 1048 | else { |
| 1049 | c_str[0] = BININT; |
| 1050 | len = 5; |
| 1051 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1052 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1053 | if (self->write_func(self, c_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1054 | return -1; |
| 1055 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1056 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1057 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1058 | } |
| 1059 | |
| 1060 | |
| 1061 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1062 | save_long(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1063 | { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 1064 | int size; |
| 1065 | int res = -1; |
| 1066 | PyObject *repr = NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1067 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1068 | static char l = LONG; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1069 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 1070 | if (self->proto >= 2) { |
| 1071 | /* Linear-time pickling. */ |
| 1072 | size_t nbits; |
| 1073 | size_t nbytes; |
| 1074 | unsigned char *pdata; |
| 1075 | char c_str[5]; |
| 1076 | int i; |
| 1077 | int sign = _PyLong_Sign(args); |
| 1078 | |
| 1079 | if (sign == 0) { |
| 1080 | /* It's 0 -- an empty bytestring. */ |
| 1081 | c_str[0] = LONG1; |
| 1082 | c_str[1] = 0; |
| 1083 | i = self->write_func(self, c_str, 2); |
| 1084 | if (i < 0) goto finally; |
| 1085 | res = 0; |
| 1086 | goto finally; |
| 1087 | } |
| 1088 | nbits = _PyLong_NumBits(args); |
| 1089 | if (nbits == (size_t)-1 && PyErr_Occurred()) |
| 1090 | goto finally; |
| 1091 | /* How many bytes do we need? There are nbits >> 3 full |
| 1092 | * bytes of data, and nbits & 7 leftover bits. If there |
| 1093 | * are any leftover bits, then we clearly need another |
| 1094 | * byte. Wnat's not so obvious is that we *probably* |
| 1095 | * need another byte even if there aren't any leftovers: |
| 1096 | * the most-significant bit of the most-significant byte |
| 1097 | * acts like a sign bit, and it's usually got a sense |
| 1098 | * opposite of the one we need. The exception is longs |
| 1099 | * of the form -(2**(8*j-1)) for j > 0. Such a long is |
| 1100 | * its own 256's-complement, so has the right sign bit |
| 1101 | * even without the extra byte. That's a pain to check |
| 1102 | * for in advance, though, so we always grab an extra |
| 1103 | * byte at the start, and cut it back later if possible. |
| 1104 | */ |
| 1105 | nbytes = (nbits >> 3) + 1; |
| 1106 | if ((int)nbytes < 0 || (size_t)(int)nbytes != nbytes) { |
| 1107 | PyErr_SetString(PyExc_OverflowError, "long too large " |
| 1108 | "to pickle"); |
| 1109 | goto finally; |
| 1110 | } |
| 1111 | repr = PyString_FromStringAndSize(NULL, (int)nbytes); |
| 1112 | if (repr == NULL) goto finally; |
| 1113 | pdata = (unsigned char *)PyString_AS_STRING(repr); |
| 1114 | i = _PyLong_AsByteArray((PyLongObject *)args, |
| 1115 | pdata, nbytes, |
| 1116 | 1 /* little endian */, 1 /* signed */); |
| 1117 | if (i < 0) goto finally; |
| 1118 | /* If the long is negative, this may be a byte more than |
| 1119 | * needed. This is so iff the MSB is all redundant sign |
| 1120 | * bits. |
| 1121 | */ |
| 1122 | if (sign < 0 && nbytes > 1 && pdata[nbytes - 1] == 0xff && |
| 1123 | (pdata[nbytes - 2] & 0x80) != 0) |
| 1124 | --nbytes; |
| 1125 | |
| 1126 | if (nbytes < 256) { |
| 1127 | c_str[0] = LONG1; |
| 1128 | c_str[1] = (char)nbytes; |
| 1129 | size = 2; |
| 1130 | } |
| 1131 | else { |
| 1132 | c_str[0] = LONG4; |
| 1133 | size = (int)nbytes; |
| 1134 | for (i = 1; i < 5; i++) { |
| 1135 | c_str[i] = (char)(size & 0xff); |
| 1136 | size >>= 8; |
| 1137 | } |
| 1138 | size = 5; |
| 1139 | } |
| 1140 | i = self->write_func(self, c_str, size); |
| 1141 | if (i < 0) goto finally; |
| 1142 | i = self->write_func(self, (char *)pdata, (int)nbytes); |
| 1143 | if (i < 0) goto finally; |
| 1144 | res = 0; |
| 1145 | goto finally; |
| 1146 | } |
| 1147 | |
| 1148 | /* proto < 2: write the repr and newline. This is quadratic-time |
| 1149 | * (in the number of digits), in both directions. |
| 1150 | */ |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1151 | if (!( repr = PyObject_Repr(args))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1152 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1153 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1154 | if ((size = PyString_Size(repr)) < 0) |
| 1155 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1156 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1157 | if (self->write_func(self, &l, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1158 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1159 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1160 | if (self->write_func(self, |
| 1161 | PyString_AS_STRING((PyStringObject *)repr), |
| 1162 | size) < 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, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1166 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1167 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1168 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1169 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1170 | finally: |
| 1171 | Py_XDECREF(repr); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1172 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1173 | } |
| 1174 | |
| 1175 | |
| 1176 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1177 | save_float(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1178 | { |
| 1179 | double x = PyFloat_AS_DOUBLE((PyFloatObject *)args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1180 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1181 | if (self->bin) { |
| 1182 | int s, e; |
| 1183 | double f; |
| 1184 | long fhi, flo; |
| 1185 | char str[9]; |
| 1186 | unsigned char *p = (unsigned char *)str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1187 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1188 | *p = BINFLOAT; |
| 1189 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1190 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1191 | if (x < 0) { |
| 1192 | s = 1; |
| 1193 | x = -x; |
| 1194 | } |
| 1195 | else |
| 1196 | s = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1197 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1198 | f = frexp(x, &e); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1199 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1200 | /* Normalize f to be in the range [1.0, 2.0) */ |
| 1201 | if (0.5 <= f && f < 1.0) { |
| 1202 | f *= 2.0; |
| 1203 | e--; |
| 1204 | } |
| 1205 | else if (f == 0.0) { |
| 1206 | e = 0; |
| 1207 | } |
| 1208 | else { |
| 1209 | PyErr_SetString(PyExc_SystemError, |
| 1210 | "frexp() result out of range"); |
| 1211 | return -1; |
| 1212 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1213 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1214 | if (e >= 1024) { |
| 1215 | /* XXX 1024 itself is reserved for Inf/NaN */ |
| 1216 | PyErr_SetString(PyExc_OverflowError, |
| 1217 | "float too large to pack with d format"); |
| 1218 | return -1; |
| 1219 | } |
| 1220 | else if (e < -1022) { |
| 1221 | /* Gradual underflow */ |
| 1222 | f = ldexp(f, 1022 + e); |
| 1223 | e = 0; |
| 1224 | } |
| 1225 | else if (!(e == 0 && f == 0.0)) { |
| 1226 | e += 1023; |
| 1227 | f -= 1.0; /* Get rid of leading 1 */ |
| 1228 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1229 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1230 | /* fhi receives the high 28 bits; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1231 | flo the low 24 bits (== 52 bits) */ |
| 1232 | f *= 268435456.0; /* 2**28 */ |
| 1233 | fhi = (long) floor(f); /* Truncate */ |
| 1234 | f -= (double)fhi; |
| 1235 | f *= 16777216.0; /* 2**24 */ |
| 1236 | flo = (long) floor(f + 0.5); /* Round */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1237 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1238 | /* First byte */ |
| 1239 | *p = (s<<7) | (e>>4); |
| 1240 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1241 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1242 | /* Second byte */ |
| 1243 | *p = (unsigned char) (((e&0xF)<<4) | (fhi>>24)); |
| 1244 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1245 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1246 | /* Third byte */ |
| 1247 | *p = (unsigned char) ((fhi>>16) & 0xFF); |
| 1248 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1249 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1250 | /* Fourth byte */ |
| 1251 | *p = (unsigned char) ((fhi>>8) & 0xFF); |
| 1252 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1253 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1254 | /* Fifth byte */ |
| 1255 | *p = (unsigned char) (fhi & 0xFF); |
| 1256 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1257 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1258 | /* Sixth byte */ |
| 1259 | *p = (unsigned char) ((flo>>16) & 0xFF); |
| 1260 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1261 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1262 | /* Seventh byte */ |
| 1263 | *p = (unsigned char) ((flo>>8) & 0xFF); |
| 1264 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1265 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1266 | /* Eighth byte */ |
| 1267 | *p = (unsigned char) (flo & 0xFF); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1268 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1269 | if (self->write_func(self, str, 9) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1270 | return -1; |
| 1271 | } |
| 1272 | else { |
| 1273 | char c_str[250]; |
| 1274 | c_str[0] = FLOAT; |
| 1275 | 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] | 1276 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1277 | if (self->write_func(self, c_str, strlen(c_str)) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1278 | return -1; |
| 1279 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1280 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1281 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1282 | } |
| 1283 | |
| 1284 | |
| 1285 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1286 | save_string(Picklerobject *self, PyObject *args, int doput) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1287 | { |
| 1288 | int size, len; |
| 1289 | PyObject *repr=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1290 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1291 | if ((size = PyString_Size(args)) < 0) |
| 1292 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1293 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1294 | if (!self->bin) { |
| 1295 | char *repr_str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1296 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1297 | static char string = STRING; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1298 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1299 | if (!( repr = PyObject_Repr(args))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1300 | return -1; |
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 | if ((len = PyString_Size(repr)) < 0) |
| 1303 | goto err; |
| 1304 | repr_str = PyString_AS_STRING((PyStringObject *)repr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1305 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1306 | if (self->write_func(self, &string, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1307 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1308 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1309 | if (self->write_func(self, repr_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1310 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1311 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1312 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1313 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1314 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1315 | Py_XDECREF(repr); |
| 1316 | } |
| 1317 | else { |
| 1318 | int i; |
| 1319 | char c_str[5]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1320 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1321 | if ((size = PyString_Size(args)) < 0) |
| 1322 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1323 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1324 | if (size < 256) { |
| 1325 | c_str[0] = SHORT_BINSTRING; |
| 1326 | c_str[1] = size; |
| 1327 | len = 2; |
| 1328 | } |
| 1329 | else { |
| 1330 | c_str[0] = BINSTRING; |
| 1331 | for (i = 1; i < 5; i++) |
| 1332 | c_str[i] = (int)(size >> ((i - 1) * 8)); |
| 1333 | len = 5; |
| 1334 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1335 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1336 | if (self->write_func(self, c_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1337 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1338 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1339 | if (size > 128 && Pdata_Check(self->file)) { |
| 1340 | if (write_other(self, NULL, 0) < 0) return -1; |
| 1341 | PDATA_APPEND(self->file, args, -1); |
| 1342 | } |
| 1343 | else { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1344 | if (self->write_func(self, |
| 1345 | PyString_AS_STRING( |
| 1346 | (PyStringObject *)args), |
| 1347 | size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1348 | return -1; |
| 1349 | } |
| 1350 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1351 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1352 | if (doput) |
| 1353 | if (put(self, args) < 0) |
| 1354 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1355 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1356 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1357 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1358 | err: |
| 1359 | Py_XDECREF(repr); |
| 1360 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1361 | } |
| 1362 | |
| 1363 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1364 | #ifdef Py_USING_UNICODE |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1365 | /* A copy of PyUnicode_EncodeRawUnicodeEscape() that also translates |
| 1366 | backslash and newline characters to \uXXXX escapes. */ |
| 1367 | static PyObject * |
| 1368 | modified_EncodeRawUnicodeEscape(const Py_UNICODE *s, int size) |
| 1369 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1370 | PyObject *repr; |
| 1371 | char *p; |
| 1372 | char *q; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1373 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1374 | static const char *hexdigit = "0123456789ABCDEF"; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1375 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1376 | repr = PyString_FromStringAndSize(NULL, 6 * size); |
| 1377 | if (repr == NULL) |
| 1378 | return NULL; |
| 1379 | if (size == 0) |
| 1380 | return repr; |
| 1381 | |
| 1382 | p = q = PyString_AS_STRING(repr); |
| 1383 | while (size-- > 0) { |
| 1384 | Py_UNICODE ch = *s++; |
| 1385 | /* Map 16-bit characters to '\uxxxx' */ |
| 1386 | if (ch >= 256 || ch == '\\' || ch == '\n') { |
| 1387 | *p++ = '\\'; |
| 1388 | *p++ = 'u'; |
| 1389 | *p++ = hexdigit[(ch >> 12) & 0xf]; |
| 1390 | *p++ = hexdigit[(ch >> 8) & 0xf]; |
| 1391 | *p++ = hexdigit[(ch >> 4) & 0xf]; |
| 1392 | *p++ = hexdigit[ch & 15]; |
| 1393 | } |
| 1394 | /* Copy everything else as-is */ |
| 1395 | else |
| 1396 | *p++ = (char) ch; |
| 1397 | } |
| 1398 | *p = '\0'; |
Tim Peters | 5de9842 | 2002-04-27 18:44:32 +0000 | [diff] [blame] | 1399 | _PyString_Resize(&repr, p - q); |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1400 | return repr; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1401 | } |
| 1402 | |
| 1403 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1404 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1405 | save_unicode(Picklerobject *self, PyObject *args, int doput) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1406 | { |
| 1407 | int size, len; |
| 1408 | PyObject *repr=0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1409 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1410 | if (!PyUnicode_Check(args)) |
| 1411 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1412 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1413 | if (!self->bin) { |
| 1414 | char *repr_str; |
| 1415 | static char string = UNICODE; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1416 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1417 | repr = modified_EncodeRawUnicodeEscape( |
| 1418 | PyUnicode_AS_UNICODE(args), PyUnicode_GET_SIZE(args)); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1419 | if (!repr) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1420 | return -1; |
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 | if ((len = PyString_Size(repr)) < 0) |
| 1423 | goto err; |
| 1424 | repr_str = PyString_AS_STRING((PyStringObject *)repr); |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1425 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1426 | if (self->write_func(self, &string, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1427 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1428 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1429 | if (self->write_func(self, repr_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1430 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1431 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1432 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1433 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1434 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1435 | Py_XDECREF(repr); |
| 1436 | } |
| 1437 | else { |
| 1438 | int i; |
| 1439 | char c_str[5]; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1440 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1441 | if (!( repr = PyUnicode_AsUTF8String(args))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1442 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1443 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1444 | if ((size = PyString_Size(repr)) < 0) |
| 1445 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1446 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1447 | c_str[0] = BINUNICODE; |
| 1448 | for (i = 1; i < 5; i++) |
| 1449 | c_str[i] = (int)(size >> ((i - 1) * 8)); |
| 1450 | len = 5; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1451 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1452 | if (self->write_func(self, c_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1453 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1454 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1455 | if (size > 128 && Pdata_Check(self->file)) { |
| 1456 | if (write_other(self, NULL, 0) < 0) |
| 1457 | goto err; |
| 1458 | PDATA_APPEND(self->file, repr, -1); |
| 1459 | } |
| 1460 | else { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1461 | if (self->write_func(self, PyString_AS_STRING(repr), |
| 1462 | size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1463 | goto err; |
| 1464 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1465 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1466 | Py_DECREF(repr); |
| 1467 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1468 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1469 | if (doput) |
| 1470 | if (put(self, args) < 0) |
| 1471 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1472 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1473 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1474 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1475 | err: |
| 1476 | Py_XDECREF(repr); |
| 1477 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1478 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1479 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1480 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1481 | /* A helper for save_tuple. Push the len elements in tuple t on the stack. */ |
| 1482 | static int |
Tim Peters | 6792014 | 2003-02-05 03:46:17 +0000 | [diff] [blame] | 1483 | store_tuple_elements(Picklerobject *self, PyObject *t, int len) |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1484 | { |
| 1485 | int i; |
| 1486 | int res = -1; /* guilty until proved innocent */ |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1487 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1488 | assert(PyTuple_Size(t) == len); |
| 1489 | |
| 1490 | for (i = 0; i < len; i++) { |
| 1491 | PyObject *element = PyTuple_GET_ITEM(t, i); |
| 1492 | |
| 1493 | if (element == NULL) |
| 1494 | goto finally; |
| 1495 | if (save(self, element, 0) < 0) |
| 1496 | goto finally; |
| 1497 | } |
| 1498 | res = 0; |
| 1499 | |
| 1500 | finally: |
| 1501 | return res; |
| 1502 | } |
| 1503 | |
| 1504 | /* Tuples are ubiquitous in the pickle protocols, so many techniques are |
| 1505 | * used across protocols to minimize the space needed to pickle them. |
Tim Peters | 6792014 | 2003-02-05 03:46:17 +0000 | [diff] [blame] | 1506 | * Tuples are also the only builtin immutable type that can be recursive |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1507 | * (a tuple can be reached from itself), and that requires some subtle |
| 1508 | * magic so that it works in all cases. IOW, this is a long routine. |
| 1509 | */ |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1510 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1511 | save_tuple(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1512 | { |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1513 | PyObject *py_tuple_id = NULL; |
| 1514 | int len, i; |
| 1515 | int res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1516 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1517 | static char tuple = TUPLE; |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1518 | static char pop = POP; |
| 1519 | static char pop_mark = POP_MARK; |
| 1520 | static char len2opcode[] = {EMPTY_TUPLE, TUPLE1, TUPLE2, TUPLE3}; |
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 | if ((len = PyTuple_Size(args)) < 0) |
| 1523 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1524 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1525 | if (len == 0) { |
| 1526 | char c_str[2]; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1527 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1528 | if (self->proto) { |
| 1529 | c_str[0] = EMPTY_TUPLE; |
| 1530 | len = 1; |
| 1531 | } |
| 1532 | else { |
| 1533 | c_str[0] = MARK; |
| 1534 | c_str[1] = TUPLE; |
| 1535 | len = 2; |
| 1536 | } |
| 1537 | if (self->write_func(self, c_str, len) >= 0) |
| 1538 | res = 0; |
| 1539 | /* Don't memoize an empty tuple. */ |
| 1540 | goto finally; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1541 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1542 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1543 | /* A non-empty tuple. */ |
| 1544 | |
| 1545 | /* id(tuple) isn't in the memo now. If it shows up there after |
| 1546 | * saving the tuple elements, the tuple must be recursive, in |
| 1547 | * which case we'll pop everything we put on the stack, and fetch |
| 1548 | * its value from the memo. |
| 1549 | */ |
| 1550 | py_tuple_id = PyLong_FromVoidPtr(args); |
| 1551 | if (py_tuple_id == NULL) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1552 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1553 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1554 | if (len <= 3 && self->proto >= 2) { |
| 1555 | /* Use TUPLE{1,2,3} opcodes. */ |
Tim Peters | 6792014 | 2003-02-05 03:46:17 +0000 | [diff] [blame] | 1556 | if (store_tuple_elements(self, args, len) < 0) |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1557 | goto finally; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1558 | if (PyDict_GetItem(self->memo, py_tuple_id)) { |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1559 | /* pop the len elements */ |
| 1560 | for (i = 0; i < len; ++i) |
| 1561 | if (self->write_func(self, &pop, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1562 | goto finally; |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1563 | /* fetch from memo */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1564 | if (get(self, py_tuple_id) < 0) |
| 1565 | goto finally; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1566 | res = 0; |
| 1567 | goto finally; |
| 1568 | } |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1569 | /* Not recursive. */ |
| 1570 | if (self->write_func(self, len2opcode + len, 1) < 0) |
| 1571 | goto finally; |
| 1572 | goto memoize; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1573 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1574 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1575 | /* proto < 2 and len > 0, or proto >= 2 and len > 3. |
| 1576 | * Generate MARK elt1 elt2 ... TUPLE |
| 1577 | */ |
| 1578 | if (self->write_func(self, &MARKv, 1) < 0) |
| 1579 | goto finally; |
| 1580 | |
Tim Peters | 6792014 | 2003-02-05 03:46:17 +0000 | [diff] [blame] | 1581 | if (store_tuple_elements(self, args, len) < 0) |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1582 | goto finally; |
| 1583 | |
| 1584 | if (PyDict_GetItem(self->memo, py_tuple_id)) { |
| 1585 | /* pop the stack stuff we pushed */ |
| 1586 | if (self->bin) { |
| 1587 | if (self->write_func(self, &pop_mark, 1) < 0) |
| 1588 | goto finally; |
| 1589 | } |
| 1590 | else { |
| 1591 | /* Note that we pop one more than len, to remove |
| 1592 | * the MARK too. |
| 1593 | */ |
| 1594 | for (i = 0; i <= len; i++) |
| 1595 | if (self->write_func(self, &pop, 1) < 0) |
| 1596 | goto finally; |
| 1597 | } |
| 1598 | /* fetch from memo */ |
| 1599 | if (get(self, py_tuple_id) >= 0) |
| 1600 | res = 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1601 | goto finally; |
| 1602 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1603 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1604 | /* Not recursive. */ |
| 1605 | if (self->write_func(self, &tuple, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1606 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1607 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1608 | memoize: |
| 1609 | if (put(self, args) >= 0) |
| 1610 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1611 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1612 | finally: |
| 1613 | Py_XDECREF(py_tuple_id); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1614 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1615 | } |
| 1616 | |
| 1617 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1618 | save_list(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1619 | { |
| 1620 | PyObject *element = 0; |
| 1621 | int s_len, len, i, using_appends, res = -1; |
| 1622 | char s[3]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1623 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1624 | static char append = APPEND, appends = APPENDS; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1625 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1626 | if (self->fast && !fast_save_enter(self, args)) |
| 1627 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1628 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1629 | if (self->bin) { |
| 1630 | s[0] = EMPTY_LIST; |
| 1631 | s_len = 1; |
| 1632 | } |
| 1633 | else { |
| 1634 | s[0] = MARK; |
| 1635 | s[1] = LIST; |
| 1636 | s_len = 2; |
| 1637 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1638 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1639 | if ((len = PyList_Size(args)) < 0) |
| 1640 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1641 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1642 | if (self->write_func(self, s, s_len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1643 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1644 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1645 | if (len == 0) { |
| 1646 | if (put(self, args) < 0) |
| 1647 | goto finally; |
| 1648 | } |
| 1649 | else { |
| 1650 | if (put2(self, args) < 0) |
| 1651 | goto finally; |
| 1652 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1653 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1654 | if ((using_appends = (self->bin && (len > 1)))) |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1655 | if (self->write_func(self, &MARKv, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1656 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1657 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1658 | for (i = 0; i < len; i++) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1659 | if (!( element = PyList_GET_ITEM((PyListObject *)args, i))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1660 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1661 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1662 | if (save(self, element, 0) < 0) |
| 1663 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1664 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1665 | if (!using_appends) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1666 | if (self->write_func(self, &append, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1667 | goto finally; |
| 1668 | } |
| 1669 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1670 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1671 | if (using_appends) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1672 | if (self->write_func(self, &appends, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1673 | goto finally; |
| 1674 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1675 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1676 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1677 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1678 | finally: |
| 1679 | if (self->fast && !fast_save_leave(self, args)) |
| 1680 | res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1681 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1682 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1683 | } |
| 1684 | |
| 1685 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1686 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1687 | save_dict(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1688 | { |
| 1689 | PyObject *key = 0, *value = 0; |
| 1690 | int i, len, res = -1, using_setitems; |
| 1691 | char s[3]; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1692 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1693 | static char setitem = SETITEM, setitems = SETITEMS; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1694 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1695 | if (self->fast && !fast_save_enter(self, args)) |
| 1696 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1697 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1698 | if (self->bin) { |
| 1699 | s[0] = EMPTY_DICT; |
| 1700 | len = 1; |
| 1701 | } |
| 1702 | else { |
| 1703 | s[0] = MARK; |
| 1704 | s[1] = DICT; |
| 1705 | len = 2; |
| 1706 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1707 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1708 | if (self->write_func(self, s, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1709 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1710 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1711 | if ((len = PyDict_Size(args)) < 0) |
| 1712 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1713 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1714 | if (len == 0) { |
| 1715 | if (put(self, args) < 0) |
| 1716 | goto finally; |
| 1717 | } |
| 1718 | else { |
| 1719 | if (put2(self, args) < 0) |
| 1720 | goto finally; |
| 1721 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1722 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1723 | if ((using_setitems = (self->bin && (PyDict_Size(args) > 1)))) |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1724 | if (self->write_func(self, &MARKv, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1725 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1726 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1727 | i = 0; |
| 1728 | while (PyDict_Next(args, &i, &key, &value)) { |
| 1729 | if (save(self, key, 0) < 0) |
| 1730 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1731 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1732 | if (save(self, value, 0) < 0) |
| 1733 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1734 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1735 | if (!using_setitems) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1736 | if (self->write_func(self, &setitem, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1737 | goto finally; |
| 1738 | } |
| 1739 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1740 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1741 | if (using_setitems) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1742 | if (self->write_func(self, &setitems, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1743 | goto finally; |
| 1744 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1745 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1746 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1747 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1748 | finally: |
| 1749 | if (self->fast && !fast_save_leave(self, args)) |
| 1750 | res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1751 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1752 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1753 | } |
| 1754 | |
| 1755 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1756 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1757 | save_inst(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1758 | { |
| 1759 | PyObject *class = 0, *module = 0, *name = 0, *state = 0, |
| 1760 | *getinitargs_func = 0, *getstate_func = 0, *class_args = 0; |
| 1761 | char *module_str, *name_str; |
| 1762 | int module_size, name_size, res = -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1763 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1764 | static char inst = INST, obj = OBJ, build = BUILD; |
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 | if (self->fast && !fast_save_enter(self, args)) |
| 1767 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1768 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1769 | if (self->write_func(self, &MARKv, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1770 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1771 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1772 | if (!( class = PyObject_GetAttr(args, __class___str))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1773 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1774 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1775 | if (self->bin) { |
| 1776 | if (save(self, class, 0) < 0) |
| 1777 | goto finally; |
| 1778 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1779 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1780 | if ((getinitargs_func = PyObject_GetAttr(args, __getinitargs___str))) { |
| 1781 | PyObject *element = 0; |
| 1782 | int i, len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1783 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1784 | if (!( class_args = |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1785 | PyObject_Call(getinitargs_func, empty_tuple, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1786 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1787 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1788 | if ((len = PyObject_Size(class_args)) < 0) |
| 1789 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1790 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1791 | for (i = 0; i < len; i++) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1792 | if (!( element = PySequence_GetItem(class_args, i))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1793 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1794 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1795 | if (save(self, element, 0) < 0) { |
| 1796 | Py_DECREF(element); |
| 1797 | goto finally; |
| 1798 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1799 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1800 | Py_DECREF(element); |
| 1801 | } |
| 1802 | } |
| 1803 | else { |
| 1804 | PyErr_Clear(); |
| 1805 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1806 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1807 | if (!self->bin) { |
| 1808 | if (!( name = ((PyClassObject *)class)->cl_name )) { |
| 1809 | PyErr_SetString(PicklingError, "class has no name"); |
| 1810 | goto finally; |
| 1811 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1812 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1813 | if (!( module = whichmodule(class, name))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1814 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1815 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1816 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1817 | if ((module_size = PyString_Size(module)) < 0 || |
| 1818 | (name_size = PyString_Size(name)) < 0) |
| 1819 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1820 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1821 | module_str = PyString_AS_STRING((PyStringObject *)module); |
| 1822 | name_str = PyString_AS_STRING((PyStringObject *)name); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1823 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1824 | if (self->write_func(self, &inst, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1825 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1826 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1827 | if (self->write_func(self, module_str, module_size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1828 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1829 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1830 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1831 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1832 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1833 | if (self->write_func(self, name_str, name_size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1834 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1835 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1836 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1837 | goto finally; |
| 1838 | } |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1839 | else if (self->write_func(self, &obj, 1) < 0) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1840 | goto finally; |
| 1841 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1842 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1843 | if ((getstate_func = PyObject_GetAttr(args, __getstate___str))) { |
| 1844 | state = PyObject_Call(getstate_func, empty_tuple, NULL); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1845 | if (!state) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1846 | goto finally; |
| 1847 | } |
| 1848 | else { |
| 1849 | PyErr_Clear(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1850 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1851 | if (!( state = PyObject_GetAttr(args, __dict___str))) { |
| 1852 | PyErr_Clear(); |
| 1853 | res = 0; |
| 1854 | goto finally; |
| 1855 | } |
| 1856 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1857 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1858 | if (!PyDict_Check(state)) { |
| 1859 | if (put2(self, args) < 0) |
| 1860 | goto finally; |
| 1861 | } |
| 1862 | else { |
| 1863 | if (put(self, args) < 0) |
| 1864 | goto finally; |
| 1865 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1866 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1867 | if (save(self, state, 0) < 0) |
| 1868 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1869 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1870 | if (self->write_func(self, &build, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1871 | goto finally; |
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 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1874 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1875 | finally: |
| 1876 | if (self->fast && !fast_save_leave(self, args)) |
| 1877 | res = -1; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1878 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1879 | Py_XDECREF(module); |
| 1880 | Py_XDECREF(class); |
| 1881 | Py_XDECREF(state); |
| 1882 | Py_XDECREF(getinitargs_func); |
| 1883 | Py_XDECREF(getstate_func); |
| 1884 | Py_XDECREF(class_args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1885 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1886 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1887 | } |
| 1888 | |
| 1889 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1890 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1891 | save_global(Picklerobject *self, PyObject *args, PyObject *name) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1892 | { |
Jeremy Hylton | 9ee91f1 | 2002-07-11 22:02:33 +0000 | [diff] [blame] | 1893 | PyObject *global_name = 0, *module = 0, *mod = 0, *klass = 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1894 | char *name_str, *module_str; |
| 1895 | int module_size, name_size, res = -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1896 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1897 | static char global = GLOBAL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1898 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1899 | if (name) { |
| 1900 | global_name = name; |
| 1901 | Py_INCREF(global_name); |
| 1902 | } |
| 1903 | else { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1904 | if (!( global_name = PyObject_GetAttr(args, __name___str))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1905 | goto finally; |
| 1906 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1907 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1908 | if (!( module = whichmodule(args, global_name))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1909 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1910 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1911 | if ((module_size = PyString_Size(module)) < 0 || |
| 1912 | (name_size = PyString_Size(global_name)) < 0) |
| 1913 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1914 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1915 | module_str = PyString_AS_STRING((PyStringObject *)module); |
| 1916 | name_str = PyString_AS_STRING((PyStringObject *)global_name); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1917 | |
Guido van Rossum | 75bfd05 | 2002-12-24 18:10:07 +0000 | [diff] [blame] | 1918 | /* XXX This can be doing a relative import. Clearly it shouldn't, |
| 1919 | but I don't know how to stop it. :-( */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1920 | mod = PyImport_ImportModule(module_str); |
| 1921 | if (mod == NULL) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1922 | cPickle_ErrFormat(PicklingError, |
| 1923 | "Can't pickle %s: it's not found as %s.%s", |
| 1924 | "OSS", args, module, global_name); |
| 1925 | goto finally; |
| 1926 | } |
Jeremy Hylton | 0e1f7a8 | 2002-07-11 22:01:40 +0000 | [diff] [blame] | 1927 | klass = PyObject_GetAttrString(mod, name_str); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1928 | if (klass == NULL) { |
| 1929 | cPickle_ErrFormat(PicklingError, |
| 1930 | "Can't pickle %s: it's not found as %s.%s", |
| 1931 | "OSS", args, module, global_name); |
| 1932 | goto finally; |
| 1933 | } |
| 1934 | if (klass != args) { |
Jeremy Hylton | 0e1f7a8 | 2002-07-11 22:01:40 +0000 | [diff] [blame] | 1935 | Py_DECREF(klass); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1936 | cPickle_ErrFormat(PicklingError, |
Tim Peters | 731098b | 2003-02-04 20:56:09 +0000 | [diff] [blame] | 1937 | "Can't pickle %s: it's not the same object " |
| 1938 | "as %s.%s", |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1939 | "OSS", args, module, global_name); |
| 1940 | goto finally; |
| 1941 | } |
Jeremy Hylton | 0e1f7a8 | 2002-07-11 22:01:40 +0000 | [diff] [blame] | 1942 | Py_DECREF(klass); |
Guido van Rossum | a92d16a | 2001-08-18 21:22:07 +0000 | [diff] [blame] | 1943 | |
Tim Peters | 731098b | 2003-02-04 20:56:09 +0000 | [diff] [blame] | 1944 | if (self->proto >= 2) { |
| 1945 | /* See whether this is in the extension registry, and if |
| 1946 | * so generate an EXT opcode. |
| 1947 | */ |
| 1948 | PyObject *py_code; /* extension code as Python object */ |
Tim Peters | 3e667d5 | 2003-02-04 21:47:44 +0000 | [diff] [blame] | 1949 | long code; /* extension code as C value */ |
Tim Peters | 731098b | 2003-02-04 20:56:09 +0000 | [diff] [blame] | 1950 | char c_str[5]; |
| 1951 | int n; |
| 1952 | |
| 1953 | PyTuple_SET_ITEM(two_tuple, 0, module); |
| 1954 | PyTuple_SET_ITEM(two_tuple, 1, global_name); |
| 1955 | py_code = PyDict_GetItem(extension_registry, two_tuple); |
| 1956 | if (py_code == NULL) |
| 1957 | goto gen_global; /* not registered */ |
| 1958 | |
| 1959 | /* Verify py_code has the right type and value. */ |
| 1960 | if (!PyInt_Check(py_code)) { |
| 1961 | cPickle_ErrFormat(PicklingError, "Can't pickle %s: " |
Tim Peters | 6288e23 | 2003-02-05 03:53:10 +0000 | [diff] [blame] | 1962 | "extension code %s isn't an integer", |
Tim Peters | 731098b | 2003-02-04 20:56:09 +0000 | [diff] [blame] | 1963 | "OO", args, py_code); |
| 1964 | goto finally; |
| 1965 | } |
| 1966 | code = PyInt_AS_LONG(py_code); |
| 1967 | if (code <= 0 || code > 0x7fffffffL) { |
| 1968 | cPickle_ErrFormat(PicklingError, "Can't pickle %s: " |
| 1969 | "extension code %ld is out of range", |
| 1970 | "Ol", args, code); |
| 1971 | goto finally; |
| 1972 | } |
| 1973 | |
| 1974 | /* Generate an EXT opcode. */ |
| 1975 | if (code <= 0xff) { |
| 1976 | c_str[0] = EXT1; |
| 1977 | c_str[1] = (char)code; |
| 1978 | n = 2; |
| 1979 | } |
| 1980 | else if (code <= 0xffff) { |
| 1981 | c_str[0] = EXT2; |
| 1982 | c_str[1] = (char)(code & 0xff); |
| 1983 | c_str[2] = (char)((code >> 8) & 0xff); |
| 1984 | n = 3; |
| 1985 | } |
| 1986 | else { |
| 1987 | c_str[0] = EXT4; |
| 1988 | c_str[1] = (char)(code & 0xff); |
| 1989 | c_str[2] = (char)((code >> 8) & 0xff); |
| 1990 | c_str[3] = (char)((code >> 16) & 0xff); |
| 1991 | c_str[4] = (char)((code >> 24) & 0xff); |
| 1992 | n = 5; |
| 1993 | } |
| 1994 | |
| 1995 | if (self->write_func(self, c_str, n) >= 0) |
| 1996 | res = 0; |
| 1997 | goto finally; /* and don't memoize */ |
| 1998 | } |
| 1999 | |
| 2000 | gen_global: |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2001 | if (self->write_func(self, &global, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2002 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2003 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2004 | if (self->write_func(self, module_str, module_size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2005 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2006 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2007 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2008 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2009 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2010 | if (self->write_func(self, name_str, name_size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2011 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2012 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2013 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2014 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2015 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2016 | if (put(self, args) < 0) |
| 2017 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2018 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2019 | res = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2020 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2021 | finally: |
| 2022 | Py_XDECREF(module); |
| 2023 | Py_XDECREF(global_name); |
| 2024 | Py_XDECREF(mod); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2025 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2026 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2027 | } |
| 2028 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2029 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2030 | save_pers(Picklerobject *self, PyObject *args, PyObject *f) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2031 | { |
| 2032 | PyObject *pid = 0; |
| 2033 | int size, res = -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2034 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2035 | static char persid = PERSID, binpersid = BINPERSID; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2036 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2037 | Py_INCREF(args); |
| 2038 | ARG_TUP(self, args); |
| 2039 | if (self->arg) { |
| 2040 | pid = PyObject_Call(f, self->arg, NULL); |
| 2041 | FREE_ARG_TUP(self); |
| 2042 | } |
| 2043 | if (! pid) return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2044 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2045 | if (pid != Py_None) { |
| 2046 | if (!self->bin) { |
| 2047 | if (!PyString_Check(pid)) { |
| 2048 | PyErr_SetString(PicklingError, |
| 2049 | "persistent id must be string"); |
| 2050 | goto finally; |
| 2051 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2052 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2053 | if (self->write_func(self, &persid, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2054 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2055 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2056 | if ((size = PyString_Size(pid)) < 0) |
| 2057 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2058 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2059 | if (self->write_func(self, |
| 2060 | PyString_AS_STRING( |
| 2061 | (PyStringObject *)pid), |
| 2062 | size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2063 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2064 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2065 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2066 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2067 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2068 | res = 1; |
| 2069 | goto finally; |
| 2070 | } |
| 2071 | else if (save(self, pid, 1) >= 0) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2072 | if (self->write_func(self, &binpersid, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2073 | res = -1; |
| 2074 | else |
| 2075 | res = 1; |
| 2076 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2077 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2078 | goto finally; |
| 2079 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2080 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2081 | res = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2082 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2083 | finally: |
| 2084 | Py_XDECREF(pid); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2085 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2086 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2087 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2088 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2089 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2090 | static int |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2091 | save_reduce(Picklerobject *self, PyObject *callable, |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2092 | PyObject *tup, PyObject *state, PyObject *ob) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2093 | { |
| 2094 | static char reduce = REDUCE, build = BUILD; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2095 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2096 | if (save(self, callable, 0) < 0) |
| 2097 | return -1; |
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 | if (save(self, tup, 0) < 0) |
| 2100 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2101 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2102 | if (self->write_func(self, &reduce, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2103 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2104 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2105 | if (ob != NULL) { |
| 2106 | if (state && !PyDict_Check(state)) { |
| 2107 | if (put2(self, ob) < 0) |
| 2108 | return -1; |
| 2109 | } |
| 2110 | else { |
| 2111 | if (put(self, ob) < 0) |
| 2112 | return -1; |
| 2113 | } |
| 2114 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2115 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2116 | if (state) { |
| 2117 | if (save(self, state, 0) < 0) |
| 2118 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2119 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2120 | if (self->write_func(self, &build, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2121 | return -1; |
| 2122 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2123 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2124 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2125 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2126 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2127 | static int |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 2128 | save(Picklerobject *self, PyObject *args, int pers_save) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2129 | { |
| 2130 | PyTypeObject *type; |
| 2131 | PyObject *py_ob_id = 0, *__reduce__ = 0, *t = 0, *arg_tup = 0, |
| 2132 | *callable = 0, *state = 0; |
| 2133 | int res = -1, tmp, size; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2134 | |
Martin v. Löwis | 5a39530 | 2002-08-04 08:20:23 +0000 | [diff] [blame] | 2135 | if (self->nesting++ > Py_GetRecursionLimit()){ |
| 2136 | PyErr_SetString(PyExc_RuntimeError, |
| 2137 | "maximum recursion depth exceeded"); |
| 2138 | goto finally; |
| 2139 | } |
| 2140 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2141 | if (!pers_save && self->pers_func) { |
| 2142 | if ((tmp = save_pers(self, args, self->pers_func)) != 0) { |
| 2143 | res = tmp; |
| 2144 | goto finally; |
| 2145 | } |
| 2146 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2147 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2148 | if (args == Py_None) { |
| 2149 | res = save_none(self, args); |
| 2150 | goto finally; |
| 2151 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2152 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2153 | type = args->ob_type; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2154 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2155 | switch (type->tp_name[0]) { |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 2156 | case 'b': |
| 2157 | if (args == Py_False || args == Py_True) { |
| 2158 | res = save_bool(self, args); |
| 2159 | goto finally; |
| 2160 | } |
| 2161 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2162 | case 'i': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2163 | if (type == &PyInt_Type) { |
| 2164 | res = save_int(self, args); |
| 2165 | goto finally; |
| 2166 | } |
| 2167 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2168 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2169 | case 'l': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2170 | if (type == &PyLong_Type) { |
| 2171 | res = save_long(self, args); |
| 2172 | goto finally; |
| 2173 | } |
| 2174 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2175 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2176 | case 'f': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2177 | if (type == &PyFloat_Type) { |
| 2178 | res = save_float(self, args); |
| 2179 | goto finally; |
| 2180 | } |
| 2181 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2182 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2183 | case 't': |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 2184 | if (type == &PyTuple_Type && PyTuple_Size(args) == 0) { |
| 2185 | res = save_tuple(self, args); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2186 | goto finally; |
| 2187 | } |
| 2188 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2189 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2190 | case 's': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2191 | if ((type == &PyString_Type) && (PyString_GET_SIZE(args) < 2)) { |
| 2192 | res = save_string(self, args, 0); |
| 2193 | goto finally; |
| 2194 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2195 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2196 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2197 | case 'u': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2198 | if ((type == &PyUnicode_Type) && (PyString_GET_SIZE(args) < 2)) { |
| 2199 | res = save_unicode(self, args, 0); |
| 2200 | goto finally; |
| 2201 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2202 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2203 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2204 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2205 | if (args->ob_refcnt > 1) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2206 | if (!( py_ob_id = PyLong_FromVoidPtr(args))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2207 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2208 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2209 | if (PyDict_GetItem(self->memo, py_ob_id)) { |
| 2210 | if (get(self, py_ob_id) < 0) |
| 2211 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2212 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2213 | res = 0; |
| 2214 | goto finally; |
| 2215 | } |
| 2216 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2217 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2218 | switch (type->tp_name[0]) { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2219 | case 's': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2220 | if (type == &PyString_Type) { |
| 2221 | res = save_string(self, args, 1); |
| 2222 | goto finally; |
| 2223 | } |
| 2224 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2225 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2226 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2227 | case 'u': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2228 | if (type == &PyUnicode_Type) { |
| 2229 | res = save_unicode(self, args, 1); |
| 2230 | goto finally; |
| 2231 | } |
| 2232 | break; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2233 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2234 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2235 | case 't': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2236 | if (type == &PyTuple_Type) { |
| 2237 | res = save_tuple(self, args); |
| 2238 | goto finally; |
| 2239 | } |
| 2240 | if (type == &PyType_Type) { |
| 2241 | res = save_global(self, args, NULL); |
| 2242 | goto finally; |
| 2243 | } |
| 2244 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2245 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2246 | case 'l': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2247 | if (type == &PyList_Type) { |
| 2248 | res = save_list(self, args); |
| 2249 | goto finally; |
| 2250 | } |
| 2251 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2252 | |
| 2253 | case 'd': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2254 | if (type == &PyDict_Type) { |
| 2255 | res = save_dict(self, args); |
| 2256 | goto finally; |
| 2257 | } |
| 2258 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2259 | |
| 2260 | case 'i': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2261 | if (type == &PyInstance_Type) { |
| 2262 | res = save_inst(self, args); |
| 2263 | goto finally; |
| 2264 | } |
| 2265 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2266 | |
| 2267 | case 'c': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2268 | if (type == &PyClass_Type) { |
| 2269 | res = save_global(self, args, NULL); |
| 2270 | goto finally; |
| 2271 | } |
| 2272 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2273 | |
| 2274 | case 'f': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2275 | if (type == &PyFunction_Type) { |
| 2276 | res = save_global(self, args, NULL); |
| 2277 | goto finally; |
| 2278 | } |
| 2279 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2280 | |
| 2281 | case 'b': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2282 | if (type == &PyCFunction_Type) { |
| 2283 | res = save_global(self, args, NULL); |
| 2284 | goto finally; |
| 2285 | } |
| 2286 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2287 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2288 | if (!pers_save && self->inst_pers_func) { |
| 2289 | if ((tmp = save_pers(self, args, self->inst_pers_func)) != 0) { |
| 2290 | res = tmp; |
| 2291 | goto finally; |
| 2292 | } |
| 2293 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2294 | |
Jeremy Hylton | 39c6116 | 2002-07-16 19:47:43 +0000 | [diff] [blame] | 2295 | if (PyType_IsSubtype(type, &PyType_Type)) { |
| 2296 | res = save_global(self, args, NULL); |
| 2297 | goto finally; |
| 2298 | } |
| 2299 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2300 | if ((__reduce__ = PyDict_GetItem(dispatch_table, (PyObject *)type))) { |
| 2301 | Py_INCREF(__reduce__); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2302 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2303 | Py_INCREF(args); |
| 2304 | ARG_TUP(self, args); |
| 2305 | if (self->arg) { |
| 2306 | t = PyObject_Call(__reduce__, self->arg, NULL); |
| 2307 | FREE_ARG_TUP(self); |
| 2308 | } |
| 2309 | if (! t) goto finally; |
| 2310 | } |
| 2311 | else { |
| 2312 | PyErr_Clear(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2313 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2314 | if ((__reduce__ = PyObject_GetAttr(args, __reduce___str))) { |
| 2315 | t = PyObject_Call(__reduce__, empty_tuple, NULL); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2316 | if (!t) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2317 | goto finally; |
| 2318 | } |
| 2319 | else { |
| 2320 | PyErr_Clear(); |
| 2321 | } |
| 2322 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2323 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2324 | if (t) { |
| 2325 | if (PyString_Check(t)) { |
| 2326 | res = save_global(self, args, t); |
| 2327 | goto finally; |
| 2328 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2329 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2330 | if (!PyTuple_Check(t)) { |
| 2331 | cPickle_ErrFormat(PicklingError, "Value returned by %s must " |
| 2332 | "be a tuple", "O", __reduce__); |
| 2333 | goto finally; |
| 2334 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2335 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2336 | size = PyTuple_Size(t); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2337 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2338 | if ((size != 3) && (size != 2)) { |
| 2339 | cPickle_ErrFormat(PicklingError, "tuple returned by %s must " |
| 2340 | "contain only two or three elements", "O", __reduce__); |
| 2341 | goto finally; |
| 2342 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2343 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2344 | callable = PyTuple_GET_ITEM(t, 0); |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 2345 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2346 | arg_tup = PyTuple_GET_ITEM(t, 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2347 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2348 | if (size > 2) { |
| 2349 | state = PyTuple_GET_ITEM(t, 2); |
Guido van Rossum | 8e0ad0c | 2003-01-31 21:10:31 +0000 | [diff] [blame] | 2350 | if (state == Py_None) |
| 2351 | state = NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2352 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2353 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2354 | if (!( PyTuple_Check(arg_tup) || arg_tup==Py_None )) { |
| 2355 | cPickle_ErrFormat(PicklingError, "Second element of tuple " |
| 2356 | "returned by %s must be a tuple", "O", __reduce__); |
| 2357 | goto finally; |
| 2358 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2359 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2360 | res = save_reduce(self, callable, arg_tup, state, args); |
| 2361 | goto finally; |
| 2362 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2363 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2364 | PyErr_SetObject(UnpickleableError, args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2365 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2366 | finally: |
Martin v. Löwis | 5a39530 | 2002-08-04 08:20:23 +0000 | [diff] [blame] | 2367 | self->nesting--; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2368 | Py_XDECREF(py_ob_id); |
| 2369 | Py_XDECREF(__reduce__); |
| 2370 | Py_XDECREF(t); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2371 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2372 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2373 | } |
| 2374 | |
| 2375 | |
| 2376 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2377 | dump(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2378 | { |
| 2379 | static char stop = STOP; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2380 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 2381 | if (self->proto >= 2) { |
| 2382 | char bytes[2]; |
| 2383 | |
| 2384 | bytes[0] = PROTO; |
Tim Peters | 87482ea | 2003-02-02 16:16:30 +0000 | [diff] [blame] | 2385 | assert(self->proto >= 0 && self->proto < 256); |
| 2386 | bytes[1] = (char)self->proto; |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 2387 | if (self->write_func(self, bytes, 2) < 0) |
| 2388 | return -1; |
| 2389 | } |
| 2390 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2391 | if (save(self, args, 0) < 0) |
| 2392 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2393 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 2394 | if (self->write_func(self, &stop, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2395 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2396 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 2397 | if (self->write_func(self, NULL, 0) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2398 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2399 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2400 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2401 | } |
| 2402 | |
| 2403 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2404 | Pickle_clear_memo(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2405 | { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2406 | if (self->memo) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2407 | PyDict_Clear(self->memo); |
| 2408 | Py_INCREF(Py_None); |
| 2409 | return Py_None; |
| 2410 | } |
| 2411 | |
| 2412 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2413 | Pickle_getvalue(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2414 | { |
| 2415 | int l, i, rsize, ssize, clear=1, lm; |
| 2416 | long ik; |
| 2417 | PyObject *k, *r; |
| 2418 | char *s, *p, *have_get; |
| 2419 | Pdata *data; |
| 2420 | |
| 2421 | /* Can be called by Python code or C code */ |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2422 | if (args && !PyArg_ParseTuple(args, "|i:getvalue", &clear)) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2423 | return NULL; |
| 2424 | |
| 2425 | /* Check to make sure we are based on a list */ |
| 2426 | if (! Pdata_Check(self->file)) { |
| 2427 | PyErr_SetString(PicklingError, |
| 2428 | "Attempt to getvalue() a non-list-based pickler"); |
| 2429 | return NULL; |
| 2430 | } |
| 2431 | |
| 2432 | /* flush write buffer */ |
| 2433 | if (write_other(self, NULL, 0) < 0) return NULL; |
| 2434 | |
| 2435 | data=(Pdata*)self->file; |
| 2436 | l=data->length; |
| 2437 | |
| 2438 | /* set up an array to hold get/put status */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2439 | lm = PyDict_Size(self->memo); |
| 2440 | if (lm < 0) return NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2441 | lm++; |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2442 | have_get = malloc(lm); |
| 2443 | if (have_get == NULL) return PyErr_NoMemory(); |
| 2444 | memset(have_get, 0, lm); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2445 | |
| 2446 | /* Scan for gets. */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2447 | for (rsize = 0, i = l; --i >= 0; ) { |
| 2448 | k = data->data[i]; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2449 | |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2450 | if (PyString_Check(k)) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2451 | rsize += PyString_GET_SIZE(k); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2452 | |
| 2453 | else if (PyInt_Check(k)) { /* put */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2454 | ik = PyInt_AS_LONG((PyIntObject*)k); |
| 2455 | if (ik >= lm || ik == 0) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2456 | PyErr_SetString(PicklingError, |
| 2457 | "Invalid get data"); |
| 2458 | return NULL; |
| 2459 | } |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2460 | if (have_get[ik]) /* with matching get */ |
| 2461 | rsize += ik < 256 ? 2 : 5; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2462 | } |
| 2463 | |
| 2464 | else if (! (PyTuple_Check(k) && |
| 2465 | PyTuple_GET_SIZE(k) == 2 && |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2466 | PyInt_Check((k = PyTuple_GET_ITEM(k, 0)))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2467 | ) { |
| 2468 | PyErr_SetString(PicklingError, |
| 2469 | "Unexpected data in internal list"); |
| 2470 | return NULL; |
| 2471 | } |
| 2472 | |
| 2473 | else { /* put */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2474 | ik = PyInt_AS_LONG((PyIntObject *)k); |
| 2475 | if (ik >= lm || ik == 0) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2476 | PyErr_SetString(PicklingError, |
| 2477 | "Invalid get data"); |
| 2478 | return NULL; |
| 2479 | } |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2480 | have_get[ik] = 1; |
| 2481 | rsize += ik < 256 ? 2 : 5; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2482 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2483 | } |
| 2484 | |
| 2485 | /* Now generate the result */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2486 | r = PyString_FromStringAndSize(NULL, rsize); |
| 2487 | if (r == NULL) goto err; |
| 2488 | s = PyString_AS_STRING((PyStringObject *)r); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2489 | |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2490 | for (i = 0; i < l; i++) { |
| 2491 | k = data->data[i]; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2492 | |
| 2493 | if (PyString_Check(k)) { |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2494 | ssize = PyString_GET_SIZE(k); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2495 | if (ssize) { |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2496 | p=PyString_AS_STRING((PyStringObject *)k); |
| 2497 | while (--ssize >= 0) |
| 2498 | *s++ = *p++; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2499 | } |
| 2500 | } |
| 2501 | |
| 2502 | else if (PyTuple_Check(k)) { /* get */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2503 | ik = PyInt_AS_LONG((PyIntObject *) |
| 2504 | PyTuple_GET_ITEM(k, 0)); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2505 | if (ik < 256) { |
| 2506 | *s++ = BINGET; |
| 2507 | *s++ = (int)(ik & 0xff); |
| 2508 | } |
| 2509 | else { |
| 2510 | *s++ = LONG_BINGET; |
| 2511 | *s++ = (int)(ik & 0xff); |
| 2512 | *s++ = (int)((ik >> 8) & 0xff); |
| 2513 | *s++ = (int)((ik >> 16) & 0xff); |
| 2514 | *s++ = (int)((ik >> 24) & 0xff); |
| 2515 | } |
| 2516 | } |
| 2517 | |
| 2518 | else { /* put */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2519 | ik = PyInt_AS_LONG((PyIntObject*)k); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2520 | |
| 2521 | if (have_get[ik]) { /* with matching get */ |
| 2522 | if (ik < 256) { |
| 2523 | *s++ = BINPUT; |
| 2524 | *s++ = (int)(ik & 0xff); |
| 2525 | } |
| 2526 | else { |
| 2527 | *s++ = LONG_BINPUT; |
| 2528 | *s++ = (int)(ik & 0xff); |
| 2529 | *s++ = (int)((ik >> 8) & 0xff); |
| 2530 | *s++ = (int)((ik >> 16) & 0xff); |
| 2531 | *s++ = (int)((ik >> 24) & 0xff); |
| 2532 | } |
| 2533 | } |
| 2534 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2535 | } |
| 2536 | |
| 2537 | if (clear) { |
| 2538 | PyDict_Clear(self->memo); |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2539 | Pdata_clear(data, 0); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2540 | } |
| 2541 | |
| 2542 | free(have_get); |
| 2543 | return r; |
| 2544 | err: |
| 2545 | free(have_get); |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2546 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2547 | } |
| 2548 | |
| 2549 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2550 | Pickler_dump(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2551 | { |
| 2552 | PyObject *ob; |
| 2553 | int get=0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2554 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2555 | if (!( PyArg_ParseTuple(args, "O|i:dump", &ob, &get))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2556 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2557 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2558 | if (dump(self, ob) < 0) |
| 2559 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2560 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2561 | if (get) return Pickle_getvalue(self, NULL); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2562 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2563 | /* XXX Why does dump() return self? */ |
| 2564 | Py_INCREF(self); |
| 2565 | return (PyObject*)self; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2566 | } |
| 2567 | |
| 2568 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2569 | static struct PyMethodDef Pickler_methods[] = |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2570 | { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 2571 | {"dump", (PyCFunction)Pickler_dump, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 2572 | PyDoc_STR("dump(object) -- " |
| 2573 | "Write an object in pickle format to the object's pickle stream")}, |
Fred Drake | 0ebacc8 | 2002-05-01 20:36:39 +0000 | [diff] [blame] | 2574 | {"clear_memo", (PyCFunction)Pickle_clear_memo, METH_NOARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 2575 | PyDoc_STR("clear_memo() -- Clear the picklers memo")}, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 2576 | {"getvalue", (PyCFunction)Pickle_getvalue, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 2577 | PyDoc_STR("getvalue() -- Finish picking a list-based pickle")}, |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2578 | {NULL, NULL} /* sentinel */ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2579 | }; |
| 2580 | |
| 2581 | |
| 2582 | static Picklerobject * |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2583 | newPicklerobject(PyObject *file, int proto) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2584 | { |
| 2585 | Picklerobject *self; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2586 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2587 | if (proto < 0) |
| 2588 | proto = CURRENT_PROTOCOL_NUMBER; |
| 2589 | if (proto > CURRENT_PROTOCOL_NUMBER) { |
| 2590 | PyErr_Format(PyExc_ValueError, "pickle protocol %d asked for; " |
| 2591 | "the highest available protocol is %d", |
| 2592 | proto, CURRENT_PROTOCOL_NUMBER); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2593 | return NULL; |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2594 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2595 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2596 | self = PyObject_New(Picklerobject, &Picklertype); |
| 2597 | if (self == NULL) |
| 2598 | return NULL; |
| 2599 | self->proto = proto; |
| 2600 | self->bin = proto > 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2601 | self->fp = NULL; |
| 2602 | self->write = NULL; |
| 2603 | self->memo = NULL; |
| 2604 | self->arg = NULL; |
| 2605 | self->pers_func = NULL; |
| 2606 | self->inst_pers_func = NULL; |
| 2607 | self->write_buf = NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2608 | self->fast = 0; |
Martin v. Löwis | 5a39530 | 2002-08-04 08:20:23 +0000 | [diff] [blame] | 2609 | self->nesting = 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2610 | self->fast_container = 0; |
| 2611 | self->fast_memo = NULL; |
| 2612 | self->buf_size = 0; |
| 2613 | self->dispatch_table = NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2614 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2615 | self->file = NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2616 | if (file) |
| 2617 | Py_INCREF(file); |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2618 | else { |
| 2619 | file = Pdata_New(); |
| 2620 | if (file == NULL) |
| 2621 | goto err; |
| 2622 | } |
| 2623 | self->file = file; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2624 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2625 | if (!( self->memo = PyDict_New())) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2626 | goto err; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2627 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2628 | if (PyFile_Check(file)) { |
| 2629 | self->fp = PyFile_AsFile(file); |
| 2630 | if (self->fp == NULL) { |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2631 | PyErr_SetString(PyExc_ValueError, |
| 2632 | "I/O operation on closed file"); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2633 | goto err; |
| 2634 | } |
| 2635 | self->write_func = write_file; |
Guido van Rossum | c91fcaa | 1999-03-29 20:00:14 +0000 | [diff] [blame] | 2636 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2637 | else if (PycStringIO_OutputCheck(file)) { |
| 2638 | self->write_func = write_cStringIO; |
| 2639 | } |
| 2640 | else if (file == Py_None) { |
| 2641 | self->write_func = write_none; |
| 2642 | } |
| 2643 | else { |
| 2644 | self->write_func = write_other; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2645 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2646 | if (! Pdata_Check(file)) { |
| 2647 | self->write = PyObject_GetAttr(file, write_str); |
| 2648 | if (!self->write) { |
| 2649 | PyErr_Clear(); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2650 | PyErr_SetString(PyExc_TypeError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2651 | "argument must have 'write' " |
| 2652 | "attribute"); |
| 2653 | goto err; |
| 2654 | } |
| 2655 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2656 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2657 | self->write_buf = (char *)PyMem_Malloc(WRITE_BUF_SIZE); |
| 2658 | if (self->write_buf == NULL) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2659 | PyErr_NoMemory(); |
| 2660 | goto err; |
| 2661 | } |
| 2662 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2663 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2664 | if (PyEval_GetRestricted()) { |
| 2665 | /* Restricted execution, get private tables */ |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 2666 | PyObject *m = PyImport_Import(copy_reg_str); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2667 | |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 2668 | if (m == NULL) |
| 2669 | goto err; |
| 2670 | self->dispatch_table = PyObject_GetAttr(m, dispatch_table_str); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2671 | Py_DECREF(m); |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 2672 | if (self->dispatch_table == NULL) |
| 2673 | goto err; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2674 | } |
| 2675 | else { |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 2676 | self->dispatch_table = dispatch_table; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2677 | Py_INCREF(dispatch_table); |
| 2678 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2679 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2680 | return self; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2681 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2682 | err: |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2683 | Py_DECREF(self); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2684 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2685 | } |
| 2686 | |
| 2687 | |
| 2688 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2689 | get_Pickler(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2690 | { |
| 2691 | PyObject *file = NULL; |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2692 | int proto = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2693 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2694 | /* XXX What is this doing? The documented signature is |
| 2695 | * XXX Pickler(file, proto=0), but this accepts Pickler() and |
| 2696 | * XXX Pickler(integer) too. The meaning then is clear as mud. |
| 2697 | * XXX Bug? Feature? |
| 2698 | */ |
| 2699 | if (!PyArg_ParseTuple(args, "|i:Pickler", &proto)) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2700 | PyErr_Clear(); |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2701 | proto = 0; |
| 2702 | if (!PyArg_ParseTuple(args, "O|i:Pickler", &file, &proto)) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2703 | return NULL; |
| 2704 | } |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2705 | return (PyObject *)newPicklerobject(file, proto); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2706 | } |
| 2707 | |
| 2708 | |
| 2709 | static void |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2710 | Pickler_dealloc(Picklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2711 | { |
| 2712 | Py_XDECREF(self->write); |
| 2713 | Py_XDECREF(self->memo); |
| 2714 | Py_XDECREF(self->fast_memo); |
| 2715 | Py_XDECREF(self->arg); |
| 2716 | Py_XDECREF(self->file); |
| 2717 | Py_XDECREF(self->pers_func); |
| 2718 | Py_XDECREF(self->inst_pers_func); |
| 2719 | Py_XDECREF(self->dispatch_table); |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2720 | PyMem_Free(self->write_buf); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2721 | PyObject_Del(self); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2722 | } |
| 2723 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2724 | static PyObject * |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2725 | Pickler_get_pers_func(Picklerobject *p) |
| 2726 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2727 | if (p->pers_func == NULL) |
| 2728 | PyErr_SetString(PyExc_AttributeError, "persistent_id"); |
| 2729 | else |
| 2730 | Py_INCREF(p->pers_func); |
| 2731 | return p->pers_func; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2732 | } |
| 2733 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2734 | static int |
| 2735 | Pickler_set_pers_func(Picklerobject *p, PyObject *v) |
| 2736 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2737 | if (v == NULL) { |
| 2738 | PyErr_SetString(PyExc_TypeError, |
| 2739 | "attribute deletion is not supported"); |
| 2740 | return -1; |
| 2741 | } |
| 2742 | Py_XDECREF(p->pers_func); |
| 2743 | Py_INCREF(v); |
| 2744 | p->pers_func = v; |
| 2745 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2746 | } |
| 2747 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2748 | static int |
| 2749 | Pickler_set_inst_pers_func(Picklerobject *p, PyObject *v) |
| 2750 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2751 | if (v == NULL) { |
| 2752 | PyErr_SetString(PyExc_TypeError, |
| 2753 | "attribute deletion is not supported"); |
| 2754 | return -1; |
| 2755 | } |
| 2756 | Py_XDECREF(p->inst_pers_func); |
| 2757 | Py_INCREF(v); |
| 2758 | p->inst_pers_func = v; |
| 2759 | return 0; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2760 | } |
| 2761 | |
| 2762 | static PyObject * |
| 2763 | Pickler_get_memo(Picklerobject *p) |
| 2764 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2765 | if (p->memo == NULL) |
| 2766 | PyErr_SetString(PyExc_AttributeError, "memo"); |
| 2767 | else |
| 2768 | Py_INCREF(p->memo); |
| 2769 | return p->memo; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2770 | } |
| 2771 | |
| 2772 | static int |
| 2773 | Pickler_set_memo(Picklerobject *p, PyObject *v) |
| 2774 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2775 | if (v == NULL) { |
| 2776 | PyErr_SetString(PyExc_TypeError, |
| 2777 | "attribute deletion is not supported"); |
| 2778 | return -1; |
| 2779 | } |
| 2780 | if (!PyDict_Check(v)) { |
| 2781 | PyErr_SetString(PyExc_TypeError, "memo must be a dictionary"); |
| 2782 | return -1; |
| 2783 | } |
| 2784 | Py_XDECREF(p->memo); |
| 2785 | Py_INCREF(v); |
| 2786 | p->memo = v; |
| 2787 | return 0; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2788 | } |
| 2789 | |
| 2790 | static PyObject * |
| 2791 | Pickler_get_error(Picklerobject *p) |
| 2792 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2793 | /* why is this an attribute on the Pickler? */ |
| 2794 | Py_INCREF(PicklingError); |
| 2795 | return PicklingError; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2796 | } |
| 2797 | |
| 2798 | static PyMemberDef Pickler_members[] = { |
| 2799 | {"binary", T_INT, offsetof(Picklerobject, bin)}, |
| 2800 | {"fast", T_INT, offsetof(Picklerobject, fast)}, |
Jeremy Hylton | 3eb46f3 | 2001-10-16 17:10:49 +0000 | [diff] [blame] | 2801 | {NULL} |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2802 | }; |
| 2803 | |
| 2804 | static PyGetSetDef Pickler_getsets[] = { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2805 | {"persistent_id", (getter)Pickler_get_pers_func, |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2806 | (setter)Pickler_set_pers_func}, |
| 2807 | {"inst_persistent_id", NULL, (setter)Pickler_set_inst_pers_func}, |
| 2808 | {"memo", (getter)Pickler_get_memo, (setter)Pickler_set_memo}, |
Jeremy Hylton | 3eb46f3 | 2001-10-16 17:10:49 +0000 | [diff] [blame] | 2809 | {"PicklingError", (getter)Pickler_get_error, NULL}, |
| 2810 | {NULL} |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2811 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2812 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 2813 | PyDoc_STRVAR(Picklertype__doc__, |
| 2814 | "Objects that know how to pickle objects\n"); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2815 | |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 2816 | static PyTypeObject Picklertype = { |
| 2817 | PyObject_HEAD_INIT(NULL) |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2818 | 0, /*ob_size*/ |
Guido van Rossum | 1464839 | 2001-12-08 18:02:58 +0000 | [diff] [blame] | 2819 | "cPickle.Pickler", /*tp_name*/ |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2820 | sizeof(Picklerobject), /*tp_basicsize*/ |
| 2821 | 0, |
| 2822 | (destructor)Pickler_dealloc, /* tp_dealloc */ |
| 2823 | 0, /* tp_print */ |
| 2824 | 0, /* tp_getattr */ |
| 2825 | 0, /* tp_setattr */ |
| 2826 | 0, /* tp_compare */ |
| 2827 | 0, /* tp_repr */ |
| 2828 | 0, /* tp_as_number */ |
| 2829 | 0, /* tp_as_sequence */ |
| 2830 | 0, /* tp_as_mapping */ |
| 2831 | 0, /* tp_hash */ |
| 2832 | 0, /* tp_call */ |
| 2833 | 0, /* tp_str */ |
Jason Tishler | fb8595d | 2003-01-06 12:41:26 +0000 | [diff] [blame] | 2834 | PyObject_GenericGetAttr, /* tp_getattro */ |
| 2835 | PyObject_GenericSetAttr, /* tp_setattro */ |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2836 | 0, /* tp_as_buffer */ |
| 2837 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */ |
| 2838 | Picklertype__doc__, /* tp_doc */ |
| 2839 | 0, /* tp_traverse */ |
| 2840 | 0, /* tp_clear */ |
| 2841 | 0, /* tp_richcompare */ |
| 2842 | 0, /* tp_weaklistoffset */ |
| 2843 | 0, /* tp_iter */ |
| 2844 | 0, /* tp_iternext */ |
| 2845 | Pickler_methods, /* tp_methods */ |
| 2846 | Pickler_members, /* tp_members */ |
| 2847 | Pickler_getsets, /* tp_getset */ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 2848 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2849 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2850 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2851 | 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] | 2852 | { |
| 2853 | PyObject *global = 0, *module; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2854 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2855 | if (fc) { |
| 2856 | if (fc==Py_None) { |
| 2857 | PyErr_SetString(UnpicklingError, |
| 2858 | "Global and instance pickles are not supported."); |
| 2859 | return NULL; |
| 2860 | } |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2861 | return PyObject_CallFunction(fc, "OO", py_module_name, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2862 | py_global_name); |
| 2863 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 2864 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2865 | module = PySys_GetObject("modules"); |
| 2866 | if (module == NULL) |
| 2867 | return NULL; |
Jeremy Hylton | d105523 | 1998-08-11 19:52:51 +0000 | [diff] [blame] | 2868 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2869 | module = PyDict_GetItem(module, py_module_name); |
| 2870 | if (module == NULL) { |
| 2871 | module = PyImport_Import(py_module_name); |
| 2872 | if (!module) |
| 2873 | return NULL; |
| 2874 | global = PyObject_GetAttr(module, py_global_name); |
| 2875 | Py_DECREF(module); |
| 2876 | } |
| 2877 | else |
| 2878 | global = PyObject_GetAttr(module, py_global_name); |
| 2879 | return global; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2880 | } |
| 2881 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2882 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2883 | marker(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2884 | { |
| 2885 | if (self->num_marks < 1) { |
| 2886 | PyErr_SetString(UnpicklingError, "could not find MARK"); |
| 2887 | return -1; |
| 2888 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2889 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2890 | return self->marks[--self->num_marks]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2891 | } |
| 2892 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2893 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2894 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2895 | load_none(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2896 | { |
| 2897 | PDATA_APPEND(self->stack, Py_None, -1); |
| 2898 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2899 | } |
| 2900 | |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 2901 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2902 | bad_readline(void) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2903 | { |
| 2904 | PyErr_SetString(UnpicklingError, "pickle data was truncated"); |
| 2905 | return -1; |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 2906 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2907 | |
| 2908 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2909 | load_int(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2910 | { |
| 2911 | PyObject *py_int = 0; |
| 2912 | char *endptr, *s; |
| 2913 | int len, res = -1; |
| 2914 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2915 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2916 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2917 | if (len < 2) return bad_readline(); |
| 2918 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2919 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2920 | errno = 0; |
| 2921 | l = strtol(s, &endptr, 0); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2922 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2923 | if (errno || (*endptr != '\n') || (endptr[1] != '\0')) { |
| 2924 | /* Hm, maybe we've got something long. Let's try reading |
| 2925 | it as a Python long object. */ |
| 2926 | errno = 0; |
| 2927 | py_int = PyLong_FromString(s, NULL, 0); |
| 2928 | if (py_int == NULL) { |
| 2929 | PyErr_SetString(PyExc_ValueError, |
| 2930 | "could not convert string to int"); |
| 2931 | goto finally; |
| 2932 | } |
| 2933 | } |
| 2934 | else { |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 2935 | if (len == 3 && (l == 0 || l == 1)) { |
| 2936 | if (!( py_int = PyBool_FromLong(l))) goto finally; |
| 2937 | } |
| 2938 | else { |
| 2939 | if (!( py_int = PyInt_FromLong(l))) goto finally; |
| 2940 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2941 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2942 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2943 | free(s); |
| 2944 | PDATA_PUSH(self->stack, py_int, -1); |
| 2945 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2946 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2947 | finally: |
| 2948 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2949 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2950 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2951 | } |
| 2952 | |
Tim Peters | 3c67d79 | 2003-02-02 17:59:11 +0000 | [diff] [blame] | 2953 | static int |
| 2954 | load_bool(Unpicklerobject *self, PyObject *boolean) |
| 2955 | { |
| 2956 | assert(boolean == Py_True || boolean == Py_False); |
Tim Peters | e0a3907 | 2003-02-03 15:45:56 +0000 | [diff] [blame] | 2957 | PDATA_APPEND(self->stack, boolean, -1); |
Tim Peters | 3c67d79 | 2003-02-02 17:59:11 +0000 | [diff] [blame] | 2958 | return 0; |
| 2959 | } |
| 2960 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 2961 | /* s contains x bytes of a little-endian integer. Return its value as a |
| 2962 | * C int. Obscure: when x is 1 or 2, this is an unsigned little-endian |
| 2963 | * int, but when x is 4 it's a signed one. This is an historical source |
| 2964 | * of x-platform bugs. |
| 2965 | */ |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2966 | static long |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 2967 | calc_binint(char *s, int x) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2968 | { |
| 2969 | unsigned char c; |
| 2970 | int i; |
| 2971 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2972 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2973 | for (i = 0, l = 0L; i < x; i++) { |
| 2974 | c = (unsigned char)s[i]; |
| 2975 | l |= (long)c << (i * 8); |
| 2976 | } |
Tim Peters | bfa18f7 | 2001-04-10 01:54:42 +0000 | [diff] [blame] | 2977 | #if SIZEOF_LONG > 4 |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2978 | /* Unlike BININT1 and BININT2, BININT (more accurately BININT4) |
| 2979 | * is signed, so on a box with longs bigger than 4 bytes we need |
| 2980 | * to extend a BININT's sign bit to the full width. |
| 2981 | */ |
| 2982 | if (x == 4 && l & (1L << 31)) |
| 2983 | l |= (~0L) << 32; |
Tim Peters | bfa18f7 | 2001-04-10 01:54:42 +0000 | [diff] [blame] | 2984 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2985 | return l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2986 | } |
| 2987 | |
| 2988 | |
| 2989 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2990 | load_binintx(Unpicklerobject *self, char *s, int x) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2991 | { |
| 2992 | PyObject *py_int = 0; |
| 2993 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2994 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2995 | l = calc_binint(s, x); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2996 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2997 | if (!( py_int = PyInt_FromLong(l))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2998 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2999 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3000 | PDATA_PUSH(self->stack, py_int, -1); |
| 3001 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3002 | } |
| 3003 | |
| 3004 | |
| 3005 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3006 | load_binint(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3007 | { |
| 3008 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3009 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3010 | if (self->read_func(self, &s, 4) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3011 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3012 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3013 | return load_binintx(self, s, 4); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3014 | } |
| 3015 | |
| 3016 | |
| 3017 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3018 | load_binint1(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3019 | { |
| 3020 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3021 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3022 | if (self->read_func(self, &s, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3023 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3024 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3025 | return load_binintx(self, s, 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3026 | } |
| 3027 | |
| 3028 | |
| 3029 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3030 | load_binint2(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3031 | { |
| 3032 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3033 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3034 | if (self->read_func(self, &s, 2) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3035 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3036 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3037 | return load_binintx(self, s, 2); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3038 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3039 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3040 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3041 | load_long(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3042 | { |
| 3043 | PyObject *l = 0; |
| 3044 | char *end, *s; |
| 3045 | int len, res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3046 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3047 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3048 | if (len < 2) return bad_readline(); |
| 3049 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3050 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3051 | if (!( l = PyLong_FromString(s, &end, 0))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3052 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3053 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3054 | free(s); |
| 3055 | PDATA_PUSH(self->stack, l, -1); |
| 3056 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3057 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3058 | finally: |
| 3059 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3060 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3061 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3062 | } |
| 3063 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 3064 | /* 'size' bytes contain the # of bytes of little-endian 256's-complement |
| 3065 | * data following. |
| 3066 | */ |
| 3067 | static int |
| 3068 | load_counted_long(Unpicklerobject *self, int size) |
| 3069 | { |
| 3070 | int i; |
| 3071 | char *nbytes; |
| 3072 | unsigned char *pdata; |
| 3073 | PyObject *along; |
| 3074 | |
| 3075 | assert(size == 1 || size == 4); |
| 3076 | i = self->read_func(self, &nbytes, size); |
| 3077 | if (i < 0) return -1; |
| 3078 | |
| 3079 | size = calc_binint(nbytes, size); |
| 3080 | if (size < 0) { |
| 3081 | /* Corrupt or hostile pickle -- we never write one like |
| 3082 | * this. |
| 3083 | */ |
Tim Peters | 0c7c48e | 2003-02-03 22:07:24 +0000 | [diff] [blame] | 3084 | PyErr_SetString(UnpicklingError, "LONG pickle has negative " |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 3085 | "byte count"); |
| 3086 | return -1; |
| 3087 | } |
| 3088 | |
| 3089 | if (size == 0) |
| 3090 | along = PyLong_FromLong(0L); |
| 3091 | else { |
| 3092 | /* Read the raw little-endian bytes & convert. */ |
Neal Norwitz | 529baf2 | 2003-02-02 17:08:33 +0000 | [diff] [blame] | 3093 | i = self->read_func(self, (char **)&pdata, size); |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 3094 | if (i < 0) return -1; |
| 3095 | along = _PyLong_FromByteArray(pdata, (size_t)size, |
| 3096 | 1 /* little endian */, 1 /* signed */); |
| 3097 | } |
| 3098 | if (along == NULL) |
| 3099 | return -1; |
| 3100 | PDATA_PUSH(self->stack, along, -1); |
| 3101 | return 0; |
| 3102 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3103 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3104 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3105 | load_float(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3106 | { |
| 3107 | PyObject *py_float = 0; |
| 3108 | char *endptr, *s; |
| 3109 | int len, res = -1; |
| 3110 | double d; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3111 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3112 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3113 | if (len < 2) return bad_readline(); |
| 3114 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3115 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3116 | errno = 0; |
| 3117 | d = strtod(s, &endptr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3118 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3119 | if (errno || (endptr[0] != '\n') || (endptr[1] != '\0')) { |
| 3120 | PyErr_SetString(PyExc_ValueError, |
| 3121 | "could not convert string to float"); |
| 3122 | goto finally; |
| 3123 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3124 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3125 | if (!( py_float = PyFloat_FromDouble(d))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3126 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3127 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3128 | free(s); |
| 3129 | PDATA_PUSH(self->stack, py_float, -1); |
| 3130 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3131 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3132 | finally: |
| 3133 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3134 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3135 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3136 | } |
| 3137 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3138 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3139 | load_binfloat(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3140 | { |
| 3141 | PyObject *py_float = 0; |
| 3142 | int s, e; |
| 3143 | long fhi, flo; |
| 3144 | double x; |
| 3145 | char *p; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3146 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3147 | if (self->read_func(self, &p, 8) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3148 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3149 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3150 | /* First byte */ |
| 3151 | s = (*p>>7) & 1; |
| 3152 | e = (*p & 0x7F) << 4; |
| 3153 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3154 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3155 | /* Second byte */ |
| 3156 | e |= (*p>>4) & 0xF; |
| 3157 | fhi = (*p & 0xF) << 24; |
| 3158 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3159 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3160 | /* Third byte */ |
| 3161 | fhi |= (*p & 0xFF) << 16; |
| 3162 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3163 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3164 | /* Fourth byte */ |
| 3165 | fhi |= (*p & 0xFF) << 8; |
| 3166 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3167 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3168 | /* Fifth byte */ |
| 3169 | fhi |= *p & 0xFF; |
| 3170 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3171 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3172 | /* Sixth byte */ |
| 3173 | flo = (*p & 0xFF) << 16; |
| 3174 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3175 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3176 | /* Seventh byte */ |
| 3177 | flo |= (*p & 0xFF) << 8; |
| 3178 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3179 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3180 | /* Eighth byte */ |
| 3181 | flo |= *p & 0xFF; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3182 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3183 | x = (double)fhi + (double)flo / 16777216.0; /* 2**24 */ |
| 3184 | x /= 268435456.0; /* 2**28 */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3185 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3186 | /* XXX This sadly ignores Inf/NaN */ |
| 3187 | if (e == 0) |
| 3188 | e = -1022; |
| 3189 | else { |
| 3190 | x += 1.0; |
| 3191 | e -= 1023; |
| 3192 | } |
| 3193 | x = ldexp(x, e); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3194 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3195 | if (s) |
| 3196 | x = -x; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3197 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3198 | if (!( py_float = PyFloat_FromDouble(x))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3199 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3200 | PDATA_PUSH(self->stack, py_float, -1); |
| 3201 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3202 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3203 | |
| 3204 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3205 | load_string(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3206 | { |
| 3207 | PyObject *str = 0; |
Martin v. Löwis | 8a8da79 | 2002-08-14 07:46:28 +0000 | [diff] [blame] | 3208 | int len, res = -1; |
| 3209 | char *s, *p; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3210 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3211 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3212 | if (len < 2) return bad_readline(); |
| 3213 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3214 | |
Martin v. Löwis | 8a8da79 | 2002-08-14 07:46:28 +0000 | [diff] [blame] | 3215 | |
| 3216 | /* Strip outermost quotes */ |
| 3217 | while (s[len-1] <= ' ') |
| 3218 | len--; |
| 3219 | if(s[0]=='"' && s[len-1]=='"'){ |
| 3220 | s[len-1] = '\0'; |
| 3221 | p = s + 1 ; |
| 3222 | len -= 2; |
| 3223 | } else if(s[0]=='\'' && s[len-1]=='\''){ |
| 3224 | s[len-1] = '\0'; |
| 3225 | p = s + 1 ; |
| 3226 | len -= 2; |
| 3227 | } else |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3228 | goto insecure; |
| 3229 | /********************************************/ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 3230 | |
Martin v. Löwis | 8a8da79 | 2002-08-14 07:46:28 +0000 | [diff] [blame] | 3231 | str = PyString_DecodeEscape(p, len, NULL, 0, NULL); |
| 3232 | if (str) { |
| 3233 | PDATA_PUSH(self->stack, str, -1); |
| 3234 | res = 0; |
| 3235 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3236 | free(s); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3237 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3238 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3239 | insecure: |
| 3240 | free(s); |
| 3241 | PyErr_SetString(PyExc_ValueError,"insecure string pickle"); |
| 3242 | return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3243 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3244 | |
| 3245 | |
| 3246 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3247 | load_binstring(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3248 | { |
| 3249 | PyObject *py_string = 0; |
| 3250 | long l; |
| 3251 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3252 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3253 | if (self->read_func(self, &s, 4) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3254 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3255 | l = calc_binint(s, 4); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3256 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3257 | if (self->read_func(self, &s, l) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3258 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3259 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3260 | if (!( py_string = PyString_FromStringAndSize(s, l))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3261 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3262 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3263 | PDATA_PUSH(self->stack, py_string, -1); |
| 3264 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3265 | } |
| 3266 | |
| 3267 | |
| 3268 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3269 | load_short_binstring(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3270 | { |
| 3271 | PyObject *py_string = 0; |
| 3272 | unsigned char l; |
| 3273 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3274 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3275 | if (self->read_func(self, &s, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3276 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3277 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3278 | l = (unsigned char)s[0]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3279 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3280 | if (self->read_func(self, &s, l) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3281 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3282 | if (!( py_string = PyString_FromStringAndSize(s, l))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3283 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3284 | PDATA_PUSH(self->stack, py_string, -1); |
| 3285 | return 0; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3286 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3287 | |
| 3288 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3289 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3290 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3291 | load_unicode(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3292 | { |
| 3293 | PyObject *str = 0; |
| 3294 | int len, res = -1; |
| 3295 | char *s; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3296 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3297 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3298 | if (len < 1) return bad_readline(); |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3299 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3300 | if (!( str = PyUnicode_DecodeRawUnicodeEscape(s, len - 1, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3301 | goto finally; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3302 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3303 | PDATA_PUSH(self->stack, str, -1); |
| 3304 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3305 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3306 | finally: |
| 3307 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3308 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3309 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3310 | |
| 3311 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3312 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3313 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3314 | load_binunicode(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3315 | { |
| 3316 | PyObject *unicode; |
| 3317 | long l; |
| 3318 | char *s; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3319 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3320 | if (self->read_func(self, &s, 4) < 0) return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3321 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3322 | l = calc_binint(s, 4); |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3323 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3324 | if (self->read_func(self, &s, l) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3325 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3326 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3327 | if (!( unicode = PyUnicode_DecodeUTF8(s, l, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3328 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3329 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3330 | PDATA_PUSH(self->stack, unicode, -1); |
| 3331 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3332 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3333 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3334 | |
| 3335 | |
| 3336 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3337 | load_tuple(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3338 | { |
| 3339 | PyObject *tup; |
| 3340 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3341 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3342 | if ((i = marker(self)) < 0) return -1; |
| 3343 | if (!( tup=Pdata_popTuple(self->stack, i))) return -1; |
| 3344 | PDATA_PUSH(self->stack, tup, -1); |
| 3345 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3346 | } |
| 3347 | |
| 3348 | static int |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 3349 | load_counted_tuple(Unpicklerobject *self, int len) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3350 | { |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 3351 | PyObject *tup = PyTuple_New(len); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3352 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 3353 | if (tup == NULL) |
| 3354 | return -1; |
| 3355 | |
| 3356 | while (--len >= 0) { |
| 3357 | PyObject *element; |
| 3358 | |
| 3359 | PDATA_POP(self->stack, element); |
| 3360 | if (element == NULL) |
| 3361 | return -1; |
| 3362 | PyTuple_SET_ITEM(tup, len, element); |
| 3363 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3364 | PDATA_PUSH(self->stack, tup, -1); |
| 3365 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3366 | } |
| 3367 | |
| 3368 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3369 | load_empty_list(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3370 | { |
| 3371 | PyObject *list; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3372 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3373 | if (!( list=PyList_New(0))) return -1; |
| 3374 | PDATA_PUSH(self->stack, list, -1); |
| 3375 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3376 | } |
| 3377 | |
| 3378 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3379 | load_empty_dict(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3380 | { |
| 3381 | PyObject *dict; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3382 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3383 | if (!( dict=PyDict_New())) return -1; |
| 3384 | PDATA_PUSH(self->stack, dict, -1); |
| 3385 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3386 | } |
| 3387 | |
| 3388 | |
| 3389 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3390 | load_list(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3391 | { |
| 3392 | PyObject *list = 0; |
| 3393 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3394 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3395 | if ((i = marker(self)) < 0) return -1; |
| 3396 | if (!( list=Pdata_popList(self->stack, i))) return -1; |
| 3397 | PDATA_PUSH(self->stack, list, -1); |
| 3398 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3399 | } |
| 3400 | |
| 3401 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3402 | load_dict(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3403 | { |
| 3404 | PyObject *dict, *key, *value; |
| 3405 | int i, j, k; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3406 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3407 | if ((i = marker(self)) < 0) return -1; |
| 3408 | j=self->stack->length; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3409 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3410 | if (!( dict = PyDict_New())) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3411 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3412 | for (k = i+1; k < j; k += 2) { |
| 3413 | key =self->stack->data[k-1]; |
| 3414 | value=self->stack->data[k ]; |
| 3415 | if (PyDict_SetItem(dict, key, value) < 0) { |
| 3416 | Py_DECREF(dict); |
| 3417 | return -1; |
| 3418 | } |
| 3419 | } |
| 3420 | Pdata_clear(self->stack, i); |
| 3421 | PDATA_PUSH(self->stack, dict, -1); |
| 3422 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3423 | } |
| 3424 | |
| 3425 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3426 | Instance_New(PyObject *cls, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3427 | { |
Tim Peters | 1f1b2d2 | 2003-02-01 02:16:37 +0000 | [diff] [blame] | 3428 | PyObject *r = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3429 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3430 | if (PyClass_Check(cls)) { |
| 3431 | int l; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3432 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3433 | if ((l=PyObject_Size(args)) < 0) goto err; |
| 3434 | if (!( l )) { |
| 3435 | PyObject *__getinitargs__; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3436 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3437 | __getinitargs__ = PyObject_GetAttr(cls, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3438 | __getinitargs___str); |
| 3439 | if (!__getinitargs__) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3440 | /* We have a class with no __getinitargs__, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3441 | so bypass usual construction */ |
| 3442 | PyObject *inst; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3443 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3444 | PyErr_Clear(); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3445 | if (!( inst=PyInstance_NewRaw(cls, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3446 | goto err; |
| 3447 | return inst; |
| 3448 | } |
| 3449 | Py_DECREF(__getinitargs__); |
| 3450 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3451 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3452 | if ((r=PyInstance_New(cls, args, NULL))) return r; |
| 3453 | else goto err; |
| 3454 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3455 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3456 | if (args==Py_None) { |
| 3457 | /* Special case, call cls.__basicnew__() */ |
| 3458 | PyObject *basicnew; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3459 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3460 | basicnew = PyObject_GetAttr(cls, __basicnew___str); |
| 3461 | if (!basicnew) return NULL; |
| 3462 | r=PyObject_CallObject(basicnew, NULL); |
| 3463 | Py_DECREF(basicnew); |
| 3464 | if (r) return r; |
| 3465 | } |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 3466 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3467 | if ((r=PyObject_CallObject(cls, args))) return r; |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 3468 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3469 | err: |
| 3470 | { |
| 3471 | PyObject *tp, *v, *tb; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3472 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3473 | PyErr_Fetch(&tp, &v, &tb); |
| 3474 | if ((r=Py_BuildValue("OOO",v,cls,args))) { |
| 3475 | Py_XDECREF(v); |
| 3476 | v=r; |
| 3477 | } |
| 3478 | PyErr_Restore(tp,v,tb); |
| 3479 | } |
| 3480 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3481 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3482 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3483 | |
| 3484 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3485 | load_obj(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3486 | { |
| 3487 | PyObject *class, *tup, *obj=0; |
| 3488 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3489 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3490 | if ((i = marker(self)) < 0) return -1; |
| 3491 | if (!( tup=Pdata_popTuple(self->stack, i+1))) return -1; |
| 3492 | PDATA_POP(self->stack, class); |
| 3493 | if (class) { |
| 3494 | obj = Instance_New(class, tup); |
| 3495 | Py_DECREF(class); |
| 3496 | } |
| 3497 | Py_DECREF(tup); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3498 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3499 | if (! obj) return -1; |
| 3500 | PDATA_PUSH(self->stack, obj, -1); |
| 3501 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3502 | } |
| 3503 | |
| 3504 | |
| 3505 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3506 | load_inst(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3507 | { |
| 3508 | PyObject *tup, *class=0, *obj=0, *module_name, *class_name; |
| 3509 | int i, len; |
| 3510 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3511 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3512 | if ((i = marker(self)) < 0) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3513 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3514 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3515 | if (len < 2) return bad_readline(); |
| 3516 | module_name = PyString_FromStringAndSize(s, len - 1); |
| 3517 | if (!module_name) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3518 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3519 | if ((len = self->readline_func(self, &s)) >= 0) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3520 | if (len < 2) return bad_readline(); |
| 3521 | if ((class_name = PyString_FromStringAndSize(s, len - 1))) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3522 | class = find_class(module_name, class_name, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3523 | self->find_class); |
| 3524 | Py_DECREF(class_name); |
| 3525 | } |
| 3526 | } |
| 3527 | Py_DECREF(module_name); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3528 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3529 | if (! class) return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3530 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3531 | if ((tup=Pdata_popTuple(self->stack, i))) { |
| 3532 | obj = Instance_New(class, tup); |
| 3533 | Py_DECREF(tup); |
| 3534 | } |
| 3535 | Py_DECREF(class); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3536 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3537 | if (! obj) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3538 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3539 | PDATA_PUSH(self->stack, obj, -1); |
| 3540 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3541 | } |
| 3542 | |
| 3543 | |
| 3544 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3545 | load_global(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3546 | { |
| 3547 | PyObject *class = 0, *module_name = 0, *class_name = 0; |
| 3548 | int len; |
| 3549 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3550 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3551 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3552 | if (len < 2) return bad_readline(); |
| 3553 | module_name = PyString_FromStringAndSize(s, len - 1); |
| 3554 | if (!module_name) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3555 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3556 | if ((len = self->readline_func(self, &s)) >= 0) { |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 3557 | if (len < 2) { |
| 3558 | Py_DECREF(module_name); |
| 3559 | return bad_readline(); |
| 3560 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3561 | if ((class_name = PyString_FromStringAndSize(s, len - 1))) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3562 | class = find_class(module_name, class_name, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3563 | self->find_class); |
| 3564 | Py_DECREF(class_name); |
| 3565 | } |
| 3566 | } |
| 3567 | Py_DECREF(module_name); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3568 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3569 | if (! class) return -1; |
| 3570 | PDATA_PUSH(self->stack, class, -1); |
| 3571 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3572 | } |
| 3573 | |
| 3574 | |
| 3575 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3576 | load_persid(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3577 | { |
| 3578 | PyObject *pid = 0; |
| 3579 | int len; |
| 3580 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3581 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3582 | if (self->pers_func) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3583 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3584 | if (len < 2) return bad_readline(); |
| 3585 | |
| 3586 | pid = PyString_FromStringAndSize(s, len - 1); |
| 3587 | if (!pid) return -1; |
| 3588 | |
| 3589 | if (PyList_Check(self->pers_func)) { |
| 3590 | if (PyList_Append(self->pers_func, pid) < 0) { |
| 3591 | Py_DECREF(pid); |
| 3592 | return -1; |
| 3593 | } |
| 3594 | } |
| 3595 | else { |
| 3596 | ARG_TUP(self, pid); |
| 3597 | if (self->arg) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3598 | pid = PyObject_Call(self->pers_func, self->arg, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3599 | NULL); |
| 3600 | FREE_ARG_TUP(self); |
| 3601 | } |
| 3602 | } |
| 3603 | |
| 3604 | if (! pid) return -1; |
| 3605 | |
| 3606 | PDATA_PUSH(self->stack, pid, -1); |
| 3607 | return 0; |
| 3608 | } |
| 3609 | else { |
| 3610 | PyErr_SetString(UnpicklingError, |
| 3611 | "A load persistent id instruction was encountered,\n" |
| 3612 | "but no persistent_load function was specified."); |
| 3613 | return -1; |
| 3614 | } |
| 3615 | } |
| 3616 | |
| 3617 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3618 | load_binpersid(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3619 | { |
| 3620 | PyObject *pid = 0; |
| 3621 | |
| 3622 | if (self->pers_func) { |
| 3623 | PDATA_POP(self->stack, pid); |
| 3624 | if (! pid) return -1; |
| 3625 | |
| 3626 | if (PyList_Check(self->pers_func)) { |
| 3627 | if (PyList_Append(self->pers_func, pid) < 0) { |
| 3628 | Py_DECREF(pid); |
| 3629 | return -1; |
| 3630 | } |
| 3631 | } |
| 3632 | else { |
| 3633 | ARG_TUP(self, pid); |
| 3634 | if (self->arg) { |
| 3635 | pid = PyObject_Call(self->pers_func, self->arg, |
| 3636 | NULL); |
| 3637 | FREE_ARG_TUP(self); |
| 3638 | } |
| 3639 | if (! pid) return -1; |
| 3640 | } |
| 3641 | |
| 3642 | PDATA_PUSH(self->stack, pid, -1); |
| 3643 | return 0; |
| 3644 | } |
| 3645 | else { |
| 3646 | PyErr_SetString(UnpicklingError, |
| 3647 | "A load persistent id instruction was encountered,\n" |
| 3648 | "but no persistent_load function was specified."); |
| 3649 | return -1; |
| 3650 | } |
| 3651 | } |
| 3652 | |
| 3653 | |
| 3654 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3655 | load_pop(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3656 | { |
| 3657 | int len; |
| 3658 | |
| 3659 | if (!( (len=self->stack->length) > 0 )) return stackUnderflow(); |
| 3660 | |
| 3661 | /* Note that we split the (pickle.py) stack into two stacks, |
| 3662 | an object stack and a mark stack. We have to be clever and |
| 3663 | pop the right one. We do this by looking at the top of the |
| 3664 | mark stack. |
| 3665 | */ |
| 3666 | |
| 3667 | if ((self->num_marks > 0) && |
| 3668 | (self->marks[self->num_marks - 1] == len)) |
| 3669 | self->num_marks--; |
| 3670 | else { |
| 3671 | len--; |
| 3672 | Py_DECREF(self->stack->data[len]); |
| 3673 | self->stack->length=len; |
| 3674 | } |
| 3675 | |
| 3676 | return 0; |
| 3677 | } |
| 3678 | |
| 3679 | |
| 3680 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3681 | load_pop_mark(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3682 | { |
| 3683 | int i; |
| 3684 | |
| 3685 | if ((i = marker(self)) < 0) |
| 3686 | return -1; |
| 3687 | |
| 3688 | Pdata_clear(self->stack, i); |
| 3689 | |
| 3690 | return 0; |
| 3691 | } |
| 3692 | |
| 3693 | |
| 3694 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3695 | load_dup(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3696 | { |
| 3697 | PyObject *last; |
| 3698 | int len; |
| 3699 | |
| 3700 | if ((len = self->stack->length) <= 0) return stackUnderflow(); |
| 3701 | last=self->stack->data[len-1]; |
| 3702 | Py_INCREF(last); |
| 3703 | PDATA_PUSH(self->stack, last, -1); |
| 3704 | return 0; |
| 3705 | } |
| 3706 | |
| 3707 | |
| 3708 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3709 | load_get(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3710 | { |
| 3711 | PyObject *py_str = 0, *value = 0; |
| 3712 | int len; |
| 3713 | char *s; |
| 3714 | int rc; |
| 3715 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3716 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 3717 | if (len < 2) return bad_readline(); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3718 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3719 | if (!( py_str = PyString_FromStringAndSize(s, len - 1))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3720 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3721 | value = PyDict_GetItem(self->memo, py_str); |
| 3722 | if (! value) { |
| 3723 | PyErr_SetObject(BadPickleGet, py_str); |
| 3724 | rc = -1; |
| 3725 | } else { |
| 3726 | PDATA_APPEND(self->stack, value, -1); |
| 3727 | rc = 0; |
| 3728 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3729 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3730 | Py_DECREF(py_str); |
| 3731 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3732 | } |
| 3733 | |
| 3734 | |
| 3735 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3736 | load_binget(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3737 | { |
| 3738 | PyObject *py_key = 0, *value = 0; |
| 3739 | unsigned char key; |
| 3740 | char *s; |
| 3741 | int rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3742 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3743 | if (self->read_func(self, &s, 1) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3744 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3745 | key = (unsigned char)s[0]; |
| 3746 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
Guido van Rossum | ea2b715 | 2000-05-09 18:14:50 +0000 | [diff] [blame] | 3747 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3748 | value = PyDict_GetItem(self->memo, py_key); |
| 3749 | if (! value) { |
| 3750 | PyErr_SetObject(BadPickleGet, py_key); |
| 3751 | rc = -1; |
| 3752 | } else { |
| 3753 | PDATA_APPEND(self->stack, value, -1); |
| 3754 | rc = 0; |
| 3755 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3756 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3757 | Py_DECREF(py_key); |
| 3758 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3759 | } |
| 3760 | |
| 3761 | |
| 3762 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3763 | load_long_binget(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3764 | { |
| 3765 | PyObject *py_key = 0, *value = 0; |
| 3766 | unsigned char c; |
| 3767 | char *s; |
| 3768 | long key; |
| 3769 | int rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3770 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3771 | if (self->read_func(self, &s, 4) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3772 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3773 | c = (unsigned char)s[0]; |
| 3774 | key = (long)c; |
| 3775 | c = (unsigned char)s[1]; |
| 3776 | key |= (long)c << 8; |
| 3777 | c = (unsigned char)s[2]; |
| 3778 | key |= (long)c << 16; |
| 3779 | c = (unsigned char)s[3]; |
| 3780 | key |= (long)c << 24; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3781 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3782 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
| 3783 | |
| 3784 | value = PyDict_GetItem(self->memo, py_key); |
| 3785 | if (! value) { |
| 3786 | PyErr_SetObject(BadPickleGet, py_key); |
| 3787 | rc = -1; |
| 3788 | } else { |
| 3789 | PDATA_APPEND(self->stack, value, -1); |
| 3790 | rc = 0; |
| 3791 | } |
| 3792 | |
| 3793 | Py_DECREF(py_key); |
| 3794 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3795 | } |
| 3796 | |
Tim Peters | 2d62965 | 2003-02-04 05:06:17 +0000 | [diff] [blame] | 3797 | /* Push an object from the extension registry (EXT[124]). nbytes is |
| 3798 | * the number of bytes following the opcode, holding the index (code) value. |
| 3799 | */ |
| 3800 | static int |
| 3801 | load_extension(Unpicklerobject *self, int nbytes) |
| 3802 | { |
| 3803 | char *codebytes; /* the nbytes bytes after the opcode */ |
| 3804 | long code; /* calc_binint returns long */ |
| 3805 | PyObject *py_code; /* code as a Python int */ |
| 3806 | PyObject *obj; /* the object to push */ |
| 3807 | PyObject *pair; /* (module_name, class_name) */ |
| 3808 | PyObject *module_name, *class_name; |
| 3809 | |
| 3810 | assert(nbytes == 1 || nbytes == 2 || nbytes == 4); |
| 3811 | if (self->read_func(self, &codebytes, nbytes) < 0) return -1; |
| 3812 | code = calc_binint(codebytes, nbytes); |
| 3813 | if (code <= 0) { /* note that 0 is forbidden */ |
| 3814 | /* Corrupt or hostile pickle. */ |
| 3815 | PyErr_SetString(UnpicklingError, "EXT specifies code <= 0"); |
| 3816 | return -1; |
| 3817 | } |
| 3818 | |
| 3819 | /* Look for the code in the cache. */ |
| 3820 | py_code = PyInt_FromLong(code); |
| 3821 | if (py_code == NULL) return -1; |
| 3822 | obj = PyDict_GetItem(extension_cache, py_code); |
| 3823 | if (obj != NULL) { |
| 3824 | /* Bingo. */ |
| 3825 | Py_DECREF(py_code); |
| 3826 | PDATA_APPEND(self->stack, obj, -1); |
| 3827 | return 0; |
| 3828 | } |
| 3829 | |
| 3830 | /* Look up the (module_name, class_name) pair. */ |
| 3831 | pair = PyDict_GetItem(inverted_registry, py_code); |
| 3832 | if (pair == NULL) { |
| 3833 | Py_DECREF(py_code); |
| 3834 | PyErr_Format(PyExc_ValueError, "unregistered extension " |
| 3835 | "code %ld", code); |
| 3836 | return -1; |
| 3837 | } |
| 3838 | /* Since the extension registry is manipulable via Python code, |
Tim Peters | fa05ce3 | 2003-02-04 05:20:32 +0000 | [diff] [blame] | 3839 | * confirm that pair is really a 2-tuple of strings. |
Tim Peters | 2d62965 | 2003-02-04 05:06:17 +0000 | [diff] [blame] | 3840 | */ |
| 3841 | if (!PyTuple_Check(pair) || PyTuple_Size(pair) != 2 || |
| 3842 | !PyString_Check(module_name = PyTuple_GET_ITEM(pair, 0)) || |
| 3843 | !PyString_Check(class_name = PyTuple_GET_ITEM(pair, 1))) { |
| 3844 | Py_DECREF(py_code); |
| 3845 | PyErr_Format(PyExc_ValueError, "_inverted_registry[%ld] " |
| 3846 | "isn't a 2-tuple of strings", code); |
| 3847 | return -1; |
| 3848 | } |
| 3849 | /* Load the object. */ |
| 3850 | obj = find_class(module_name, class_name, self->find_class); |
| 3851 | if (obj == NULL) { |
| 3852 | Py_DECREF(py_code); |
| 3853 | return -1; |
| 3854 | } |
| 3855 | /* Cache code -> obj. */ |
| 3856 | code = PyDict_SetItem(extension_cache, py_code, obj); |
| 3857 | Py_DECREF(py_code); |
| 3858 | if (code < 0) { |
| 3859 | Py_DECREF(obj); |
| 3860 | return -1; |
| 3861 | } |
| 3862 | PDATA_PUSH(self->stack, obj, -1); |
| 3863 | return 0; |
| 3864 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3865 | |
| 3866 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3867 | load_put(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3868 | { |
| 3869 | PyObject *py_str = 0, *value = 0; |
| 3870 | int len, l; |
| 3871 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3872 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3873 | if ((l = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3874 | if (l < 2) return bad_readline(); |
| 3875 | if (!( len=self->stack->length )) return stackUnderflow(); |
| 3876 | if (!( py_str = PyString_FromStringAndSize(s, l - 1))) return -1; |
| 3877 | value=self->stack->data[len-1]; |
| 3878 | l=PyDict_SetItem(self->memo, py_str, value); |
| 3879 | Py_DECREF(py_str); |
| 3880 | return l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3881 | } |
| 3882 | |
| 3883 | |
| 3884 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3885 | load_binput(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3886 | { |
| 3887 | PyObject *py_key = 0, *value = 0; |
| 3888 | unsigned char key; |
| 3889 | char *s; |
| 3890 | int len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3891 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3892 | if (self->read_func(self, &s, 1) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3893 | if (!( (len=self->stack->length) > 0 )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3894 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3895 | key = (unsigned char)s[0]; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 3896 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3897 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
| 3898 | value=self->stack->data[len-1]; |
| 3899 | len=PyDict_SetItem(self->memo, py_key, value); |
| 3900 | Py_DECREF(py_key); |
| 3901 | return len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3902 | } |
| 3903 | |
| 3904 | |
| 3905 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3906 | load_long_binput(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3907 | { |
| 3908 | PyObject *py_key = 0, *value = 0; |
| 3909 | long key; |
| 3910 | unsigned char c; |
| 3911 | char *s; |
| 3912 | int len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3913 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3914 | if (self->read_func(self, &s, 4) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3915 | if (!( len=self->stack->length )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3916 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3917 | c = (unsigned char)s[0]; |
| 3918 | key = (long)c; |
| 3919 | c = (unsigned char)s[1]; |
| 3920 | key |= (long)c << 8; |
| 3921 | c = (unsigned char)s[2]; |
| 3922 | key |= (long)c << 16; |
| 3923 | c = (unsigned char)s[3]; |
| 3924 | key |= (long)c << 24; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3925 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3926 | if (!( py_key = PyInt_FromLong(key))) return -1; |
| 3927 | value=self->stack->data[len-1]; |
| 3928 | len=PyDict_SetItem(self->memo, py_key, value); |
| 3929 | Py_DECREF(py_key); |
| 3930 | return len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3931 | } |
| 3932 | |
| 3933 | |
| 3934 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3935 | do_append(Unpicklerobject *self, int x) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3936 | { |
| 3937 | PyObject *value = 0, *list = 0, *append_method = 0; |
| 3938 | int len, i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3939 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3940 | len=self->stack->length; |
| 3941 | if (!( len >= x && x > 0 )) return stackUnderflow(); |
| 3942 | /* nothing to do */ |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3943 | if (len==x) return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3944 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3945 | list=self->stack->data[x-1]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3946 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3947 | if (PyList_Check(list)) { |
| 3948 | PyObject *slice; |
| 3949 | int list_len; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3950 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3951 | slice=Pdata_popList(self->stack, x); |
| 3952 | list_len = PyList_GET_SIZE(list); |
| 3953 | i=PyList_SetSlice(list, list_len, list_len, slice); |
| 3954 | Py_DECREF(slice); |
| 3955 | return i; |
| 3956 | } |
| 3957 | else { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3958 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3959 | if (!( append_method = PyObject_GetAttr(list, append_str))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3960 | return -1; |
| 3961 | |
| 3962 | for (i = x; i < len; i++) { |
| 3963 | PyObject *junk; |
| 3964 | |
| 3965 | value=self->stack->data[i]; |
| 3966 | junk=0; |
| 3967 | ARG_TUP(self, value); |
| 3968 | if (self->arg) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3969 | junk = PyObject_Call(append_method, self->arg, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3970 | NULL); |
| 3971 | FREE_ARG_TUP(self); |
| 3972 | } |
| 3973 | if (! junk) { |
| 3974 | Pdata_clear(self->stack, i+1); |
| 3975 | self->stack->length=x; |
| 3976 | Py_DECREF(append_method); |
| 3977 | return -1; |
| 3978 | } |
| 3979 | Py_DECREF(junk); |
| 3980 | } |
| 3981 | self->stack->length=x; |
| 3982 | Py_DECREF(append_method); |
| 3983 | } |
| 3984 | |
| 3985 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3986 | } |
| 3987 | |
| 3988 | |
| 3989 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3990 | load_append(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3991 | { |
| 3992 | return do_append(self, self->stack->length - 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3993 | } |
| 3994 | |
| 3995 | |
| 3996 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3997 | load_appends(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3998 | { |
| 3999 | return do_append(self, marker(self)); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4000 | } |
| 4001 | |
| 4002 | |
| 4003 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4004 | do_setitems(Unpicklerobject *self, int x) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4005 | { |
| 4006 | PyObject *value = 0, *key = 0, *dict = 0; |
| 4007 | int len, i, r=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4008 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4009 | if (!( (len=self->stack->length) >= x |
| 4010 | && x > 0 )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4011 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4012 | dict=self->stack->data[x-1]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4013 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4014 | for (i = x+1; i < len; i += 2) { |
| 4015 | key =self->stack->data[i-1]; |
| 4016 | value=self->stack->data[i ]; |
| 4017 | if (PyObject_SetItem(dict, key, value) < 0) { |
| 4018 | r=-1; |
| 4019 | break; |
| 4020 | } |
| 4021 | } |
| 4022 | |
| 4023 | Pdata_clear(self->stack, x); |
| 4024 | |
| 4025 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4026 | } |
| 4027 | |
| 4028 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4029 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4030 | load_setitem(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4031 | { |
| 4032 | return do_setitems(self, self->stack->length - 2); |
| 4033 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4034 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4035 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4036 | load_setitems(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4037 | { |
| 4038 | return do_setitems(self, marker(self)); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4039 | } |
| 4040 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4041 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4042 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4043 | load_build(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4044 | { |
| 4045 | PyObject *value = 0, *inst = 0, *instdict = 0, *d_key = 0, *d_value = 0, |
| 4046 | *junk = 0, *__setstate__ = 0; |
| 4047 | int i, r = 0; |
| 4048 | |
| 4049 | if (self->stack->length < 2) return stackUnderflow(); |
| 4050 | PDATA_POP(self->stack, value); |
| 4051 | if (! value) return -1; |
| 4052 | inst=self->stack->data[self->stack->length-1]; |
| 4053 | |
| 4054 | if ((__setstate__ = PyObject_GetAttr(inst, __setstate___str))) { |
| 4055 | ARG_TUP(self, value); |
| 4056 | if (self->arg) { |
| 4057 | junk = PyObject_Call(__setstate__, self->arg, NULL); |
| 4058 | FREE_ARG_TUP(self); |
| 4059 | } |
| 4060 | Py_DECREF(__setstate__); |
| 4061 | if (! junk) return -1; |
| 4062 | Py_DECREF(junk); |
| 4063 | return 0; |
| 4064 | } |
| 4065 | |
| 4066 | PyErr_Clear(); |
| 4067 | if ((instdict = PyObject_GetAttr(inst, __dict___str))) { |
| 4068 | i = 0; |
| 4069 | while (PyDict_Next(value, &i, &d_key, &d_value)) { |
| 4070 | if (PyObject_SetItem(instdict, d_key, d_value) < 0) { |
| 4071 | r=-1; |
| 4072 | break; |
| 4073 | } |
| 4074 | } |
| 4075 | Py_DECREF(instdict); |
| 4076 | } |
| 4077 | else r=-1; |
| 4078 | |
| 4079 | Py_XDECREF(value); |
| 4080 | |
| 4081 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4082 | } |
| 4083 | |
| 4084 | |
| 4085 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4086 | load_mark(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4087 | { |
| 4088 | int s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4089 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4090 | /* Note that we split the (pickle.py) stack into two stacks, an |
| 4091 | object stack and a mark stack. Here we push a mark onto the |
| 4092 | mark stack. |
| 4093 | */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4094 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4095 | if ((self->num_marks + 1) >= self->marks_size) { |
| 4096 | s=self->marks_size+20; |
| 4097 | if (s <= self->num_marks) s=self->num_marks + 1; |
| 4098 | if (self->marks == NULL) |
| 4099 | self->marks=(int *)malloc(s * sizeof(int)); |
| 4100 | else |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4101 | self->marks=(int *)realloc(self->marks, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4102 | s * sizeof(int)); |
| 4103 | if (! self->marks) { |
| 4104 | PyErr_NoMemory(); |
| 4105 | return -1; |
| 4106 | } |
| 4107 | self->marks_size = s; |
| 4108 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4109 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4110 | self->marks[self->num_marks++] = self->stack->length; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4111 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4112 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4113 | } |
| 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_reduce(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4117 | { |
| 4118 | PyObject *callable = 0, *arg_tup = 0, *ob = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4119 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4120 | PDATA_POP(self->stack, arg_tup); |
| 4121 | if (! arg_tup) return -1; |
| 4122 | PDATA_POP(self->stack, callable); |
| 4123 | if (callable) { |
| 4124 | ob = Instance_New(callable, arg_tup); |
| 4125 | Py_DECREF(callable); |
| 4126 | } |
| 4127 | Py_DECREF(arg_tup); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4128 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4129 | if (! ob) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4130 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4131 | PDATA_PUSH(self->stack, ob, -1); |
| 4132 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4133 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4134 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 4135 | /* Just raises an error if we don't know the protocol specified. PROTO |
| 4136 | * is the first opcode for protocols >= 2. |
| 4137 | */ |
| 4138 | static int |
| 4139 | load_proto(Unpicklerobject *self) |
| 4140 | { |
| 4141 | int i; |
| 4142 | char *protobyte; |
| 4143 | |
| 4144 | i = self->read_func(self, &protobyte, 1); |
| 4145 | if (i < 0) |
| 4146 | return -1; |
| 4147 | |
| 4148 | i = calc_binint(protobyte, 1); |
| 4149 | /* No point checking for < 0, since calc_binint returns an unsigned |
| 4150 | * int when chewing on 1 byte. |
| 4151 | */ |
| 4152 | assert(i >= 0); |
| 4153 | if (i <= CURRENT_PROTOCOL_NUMBER) |
| 4154 | return 0; |
| 4155 | |
| 4156 | PyErr_Format(PyExc_ValueError, "unsupported pickle protocol: %d", i); |
| 4157 | return -1; |
| 4158 | } |
| 4159 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4160 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4161 | load(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4162 | { |
| 4163 | PyObject *err = 0, *val = 0; |
| 4164 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4165 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4166 | self->num_marks = 0; |
| 4167 | if (self->stack->length) Pdata_clear(self->stack, 0); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4168 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4169 | while (1) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 4170 | if (self->read_func(self, &s, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4171 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4172 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4173 | switch (s[0]) { |
| 4174 | case NONE: |
| 4175 | if (load_none(self) < 0) |
| 4176 | break; |
| 4177 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4178 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4179 | case BININT: |
| 4180 | if (load_binint(self) < 0) |
| 4181 | break; |
| 4182 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4183 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4184 | case BININT1: |
| 4185 | if (load_binint1(self) < 0) |
| 4186 | break; |
| 4187 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4188 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4189 | case BININT2: |
| 4190 | if (load_binint2(self) < 0) |
| 4191 | break; |
| 4192 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4193 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4194 | case INT: |
| 4195 | if (load_int(self) < 0) |
| 4196 | break; |
| 4197 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4198 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4199 | case LONG: |
| 4200 | if (load_long(self) < 0) |
| 4201 | break; |
| 4202 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4203 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 4204 | case LONG1: |
| 4205 | if (load_counted_long(self, 1) < 0) |
| 4206 | break; |
| 4207 | continue; |
| 4208 | |
| 4209 | case LONG4: |
| 4210 | if (load_counted_long(self, 4) < 0) |
| 4211 | break; |
| 4212 | continue; |
| 4213 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4214 | case FLOAT: |
| 4215 | if (load_float(self) < 0) |
| 4216 | break; |
| 4217 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4218 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4219 | case BINFLOAT: |
| 4220 | if (load_binfloat(self) < 0) |
| 4221 | break; |
| 4222 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4223 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4224 | case BINSTRING: |
| 4225 | if (load_binstring(self) < 0) |
| 4226 | break; |
| 4227 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4228 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4229 | case SHORT_BINSTRING: |
| 4230 | if (load_short_binstring(self) < 0) |
| 4231 | break; |
| 4232 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4233 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4234 | case STRING: |
| 4235 | if (load_string(self) < 0) |
| 4236 | break; |
| 4237 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4238 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4239 | #ifdef Py_USING_UNICODE |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4240 | case UNICODE: |
| 4241 | if (load_unicode(self) < 0) |
| 4242 | break; |
| 4243 | continue; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4244 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4245 | case BINUNICODE: |
| 4246 | if (load_binunicode(self) < 0) |
| 4247 | break; |
| 4248 | continue; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4249 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4250 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4251 | case EMPTY_TUPLE: |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 4252 | if (load_counted_tuple(self, 0) < 0) |
| 4253 | break; |
| 4254 | continue; |
| 4255 | |
| 4256 | case TUPLE1: |
| 4257 | if (load_counted_tuple(self, 1) < 0) |
| 4258 | break; |
| 4259 | continue; |
| 4260 | |
| 4261 | case TUPLE2: |
| 4262 | if (load_counted_tuple(self, 2) < 0) |
| 4263 | break; |
| 4264 | continue; |
| 4265 | |
| 4266 | case TUPLE3: |
| 4267 | if (load_counted_tuple(self, 3) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4268 | break; |
| 4269 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4270 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4271 | case TUPLE: |
| 4272 | if (load_tuple(self) < 0) |
| 4273 | break; |
| 4274 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4275 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4276 | case EMPTY_LIST: |
| 4277 | if (load_empty_list(self) < 0) |
| 4278 | break; |
| 4279 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4280 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4281 | case LIST: |
| 4282 | if (load_list(self) < 0) |
| 4283 | break; |
| 4284 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4285 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4286 | case EMPTY_DICT: |
| 4287 | if (load_empty_dict(self) < 0) |
| 4288 | break; |
| 4289 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4290 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4291 | case DICT: |
| 4292 | if (load_dict(self) < 0) |
| 4293 | break; |
| 4294 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4295 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4296 | case OBJ: |
| 4297 | if (load_obj(self) < 0) |
| 4298 | break; |
| 4299 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4300 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4301 | case INST: |
| 4302 | if (load_inst(self) < 0) |
| 4303 | break; |
| 4304 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4305 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4306 | case GLOBAL: |
| 4307 | if (load_global(self) < 0) |
| 4308 | break; |
| 4309 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4310 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4311 | case APPEND: |
| 4312 | if (load_append(self) < 0) |
| 4313 | break; |
| 4314 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4315 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4316 | case APPENDS: |
| 4317 | if (load_appends(self) < 0) |
| 4318 | break; |
| 4319 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4320 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4321 | case BUILD: |
| 4322 | if (load_build(self) < 0) |
| 4323 | break; |
| 4324 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4325 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4326 | case DUP: |
| 4327 | if (load_dup(self) < 0) |
| 4328 | break; |
| 4329 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4330 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4331 | case BINGET: |
| 4332 | if (load_binget(self) < 0) |
| 4333 | break; |
| 4334 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4335 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4336 | case LONG_BINGET: |
| 4337 | if (load_long_binget(self) < 0) |
| 4338 | break; |
| 4339 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4340 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4341 | case GET: |
| 4342 | if (load_get(self) < 0) |
| 4343 | break; |
| 4344 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4345 | |
Tim Peters | 2d62965 | 2003-02-04 05:06:17 +0000 | [diff] [blame] | 4346 | case EXT1: |
| 4347 | if (load_extension(self, 1) < 0) |
| 4348 | break; |
| 4349 | continue; |
| 4350 | |
| 4351 | case EXT2: |
| 4352 | if (load_extension(self, 2) < 0) |
| 4353 | break; |
| 4354 | continue; |
| 4355 | |
| 4356 | case EXT4: |
| 4357 | if (load_extension(self, 4) < 0) |
| 4358 | break; |
| 4359 | continue; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4360 | case MARK: |
| 4361 | if (load_mark(self) < 0) |
| 4362 | break; |
| 4363 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4364 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4365 | case BINPUT: |
| 4366 | if (load_binput(self) < 0) |
| 4367 | break; |
| 4368 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4369 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4370 | case LONG_BINPUT: |
| 4371 | if (load_long_binput(self) < 0) |
| 4372 | break; |
| 4373 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4374 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4375 | case PUT: |
| 4376 | if (load_put(self) < 0) |
| 4377 | break; |
| 4378 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4379 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4380 | case POP: |
| 4381 | if (load_pop(self) < 0) |
| 4382 | break; |
| 4383 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4384 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4385 | case POP_MARK: |
| 4386 | if (load_pop_mark(self) < 0) |
| 4387 | break; |
| 4388 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4389 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4390 | case SETITEM: |
| 4391 | if (load_setitem(self) < 0) |
| 4392 | break; |
| 4393 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4394 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4395 | case SETITEMS: |
| 4396 | if (load_setitems(self) < 0) |
| 4397 | break; |
| 4398 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4399 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4400 | case STOP: |
| 4401 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4402 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4403 | case PERSID: |
| 4404 | if (load_persid(self) < 0) |
| 4405 | break; |
| 4406 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4407 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4408 | case BINPERSID: |
| 4409 | if (load_binpersid(self) < 0) |
| 4410 | break; |
| 4411 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4412 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4413 | case REDUCE: |
| 4414 | if (load_reduce(self) < 0) |
| 4415 | break; |
| 4416 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4417 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 4418 | case PROTO: |
| 4419 | if (load_proto(self) < 0) |
| 4420 | break; |
| 4421 | continue; |
| 4422 | |
Tim Peters | 3c67d79 | 2003-02-02 17:59:11 +0000 | [diff] [blame] | 4423 | case NEWTRUE: |
| 4424 | if (load_bool(self, Py_True) < 0) |
| 4425 | break; |
| 4426 | continue; |
| 4427 | |
| 4428 | case NEWFALSE: |
| 4429 | if (load_bool(self, Py_False) < 0) |
| 4430 | break; |
| 4431 | continue; |
| 4432 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4433 | case '\0': |
| 4434 | /* end of file */ |
| 4435 | PyErr_SetNone(PyExc_EOFError); |
| 4436 | break; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4437 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4438 | default: |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4439 | cPickle_ErrFormat(UnpicklingError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4440 | "invalid load key, '%s'.", |
| 4441 | "c", s[0]); |
| 4442 | return NULL; |
| 4443 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4444 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4445 | break; |
| 4446 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4447 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4448 | if ((err = PyErr_Occurred())) { |
| 4449 | if (err == PyExc_EOFError) { |
| 4450 | PyErr_SetNone(PyExc_EOFError); |
| 4451 | } |
| 4452 | return NULL; |
| 4453 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4454 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4455 | PDATA_POP(self->stack, val); |
| 4456 | return val; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4457 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4458 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4459 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4460 | /* No-load functions to support noload, which is used to |
| 4461 | find persistent references. */ |
| 4462 | |
| 4463 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4464 | noload_obj(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4465 | { |
| 4466 | int i; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4467 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4468 | if ((i = marker(self)) < 0) return -1; |
| 4469 | return Pdata_clear(self->stack, i+1); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4470 | } |
| 4471 | |
| 4472 | |
| 4473 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4474 | noload_inst(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4475 | { |
| 4476 | int i; |
| 4477 | char *s; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4478 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4479 | if ((i = marker(self)) < 0) return -1; |
| 4480 | Pdata_clear(self->stack, i); |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 4481 | if (self->readline_func(self, &s) < 0) return -1; |
| 4482 | if (self->readline_func(self, &s) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4483 | PDATA_APPEND(self->stack, Py_None,-1); |
| 4484 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4485 | } |
| 4486 | |
| 4487 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4488 | noload_global(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4489 | { |
| 4490 | char *s; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4491 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 4492 | if (self->readline_func(self, &s) < 0) return -1; |
| 4493 | if (self->readline_func(self, &s) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4494 | PDATA_APPEND(self->stack, Py_None,-1); |
| 4495 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4496 | } |
| 4497 | |
| 4498 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4499 | noload_reduce(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4500 | { |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4501 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4502 | if (self->stack->length < 2) return stackUnderflow(); |
| 4503 | Pdata_clear(self->stack, self->stack->length-2); |
| 4504 | PDATA_APPEND(self->stack, Py_None,-1); |
| 4505 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4506 | } |
| 4507 | |
| 4508 | static int |
| 4509 | noload_build(Unpicklerobject *self) { |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4510 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 4511 | if (self->stack->length < 1) return stackUnderflow(); |
| 4512 | Pdata_clear(self->stack, self->stack->length-1); |
Guido van Rossum | 50f385c | 1998-12-04 18:48:44 +0000 | [diff] [blame] | 4513 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4514 | } |
| 4515 | |
Tim Peters | 2d62965 | 2003-02-04 05:06:17 +0000 | [diff] [blame] | 4516 | static int |
| 4517 | noload_extension(Unpicklerobject *self, int nbytes) |
| 4518 | { |
| 4519 | char *codebytes; |
| 4520 | |
| 4521 | assert(nbytes == 1 || nbytes == 2 || nbytes == 4); |
| 4522 | if (self->read_func(self, &codebytes, nbytes) < 0) return -1; |
| 4523 | PDATA_APPEND(self->stack, Py_None, -1); |
| 4524 | return 0; |
| 4525 | } |
| 4526 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4527 | |
| 4528 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4529 | noload(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4530 | { |
| 4531 | PyObject *err = 0, *val = 0; |
| 4532 | char *s; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4533 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4534 | self->num_marks = 0; |
| 4535 | Pdata_clear(self->stack, 0); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4536 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4537 | while (1) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 4538 | if (self->read_func(self, &s, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4539 | break; |
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 | switch (s[0]) { |
| 4542 | case NONE: |
| 4543 | if (load_none(self) < 0) |
| 4544 | break; |
| 4545 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4546 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4547 | case BININT: |
| 4548 | if (load_binint(self) < 0) |
| 4549 | break; |
| 4550 | continue; |
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 | case BININT1: |
| 4553 | if (load_binint1(self) < 0) |
| 4554 | break; |
| 4555 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4556 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4557 | case BININT2: |
| 4558 | if (load_binint2(self) < 0) |
| 4559 | break; |
| 4560 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4561 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4562 | case INT: |
| 4563 | if (load_int(self) < 0) |
| 4564 | break; |
| 4565 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4566 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4567 | case LONG: |
| 4568 | if (load_long(self) < 0) |
| 4569 | break; |
| 4570 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4571 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 4572 | case LONG1: |
| 4573 | if (load_counted_long(self, 1) < 0) |
| 4574 | break; |
| 4575 | continue; |
| 4576 | |
| 4577 | case LONG4: |
| 4578 | if (load_counted_long(self, 4) < 0) |
| 4579 | break; |
| 4580 | continue; |
| 4581 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4582 | case FLOAT: |
| 4583 | if (load_float(self) < 0) |
| 4584 | break; |
| 4585 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4586 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4587 | case BINFLOAT: |
| 4588 | if (load_binfloat(self) < 0) |
| 4589 | break; |
| 4590 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4591 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4592 | case BINSTRING: |
| 4593 | if (load_binstring(self) < 0) |
| 4594 | break; |
| 4595 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4596 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4597 | case SHORT_BINSTRING: |
| 4598 | if (load_short_binstring(self) < 0) |
| 4599 | break; |
| 4600 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4601 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4602 | case STRING: |
| 4603 | if (load_string(self) < 0) |
| 4604 | break; |
| 4605 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4606 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4607 | #ifdef Py_USING_UNICODE |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4608 | case UNICODE: |
| 4609 | if (load_unicode(self) < 0) |
| 4610 | break; |
| 4611 | continue; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4612 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4613 | case BINUNICODE: |
| 4614 | if (load_binunicode(self) < 0) |
| 4615 | break; |
| 4616 | continue; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4617 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4618 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4619 | case EMPTY_TUPLE: |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 4620 | if (load_counted_tuple(self, 0) < 0) |
| 4621 | break; |
| 4622 | continue; |
| 4623 | |
| 4624 | case TUPLE1: |
| 4625 | if (load_counted_tuple(self, 1) < 0) |
| 4626 | break; |
| 4627 | continue; |
| 4628 | |
| 4629 | case TUPLE2: |
| 4630 | if (load_counted_tuple(self, 2) < 0) |
| 4631 | break; |
| 4632 | continue; |
| 4633 | |
| 4634 | case TUPLE3: |
| 4635 | if (load_counted_tuple(self, 3) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4636 | break; |
| 4637 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4638 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4639 | case TUPLE: |
| 4640 | if (load_tuple(self) < 0) |
| 4641 | break; |
| 4642 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4643 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4644 | case EMPTY_LIST: |
| 4645 | if (load_empty_list(self) < 0) |
| 4646 | break; |
| 4647 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4648 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4649 | case LIST: |
| 4650 | if (load_list(self) < 0) |
| 4651 | break; |
| 4652 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4653 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4654 | case EMPTY_DICT: |
| 4655 | if (load_empty_dict(self) < 0) |
| 4656 | break; |
| 4657 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4658 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4659 | case DICT: |
| 4660 | if (load_dict(self) < 0) |
| 4661 | break; |
| 4662 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4663 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4664 | case OBJ: |
| 4665 | if (noload_obj(self) < 0) |
| 4666 | break; |
| 4667 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4668 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4669 | case INST: |
| 4670 | if (noload_inst(self) < 0) |
| 4671 | break; |
| 4672 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4673 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4674 | case GLOBAL: |
| 4675 | if (noload_global(self) < 0) |
| 4676 | break; |
| 4677 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4678 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4679 | case APPEND: |
| 4680 | if (load_append(self) < 0) |
| 4681 | break; |
| 4682 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4683 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4684 | case APPENDS: |
| 4685 | if (load_appends(self) < 0) |
| 4686 | break; |
| 4687 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4688 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4689 | case BUILD: |
| 4690 | if (noload_build(self) < 0) |
| 4691 | break; |
| 4692 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4693 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4694 | case DUP: |
| 4695 | if (load_dup(self) < 0) |
| 4696 | break; |
| 4697 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4698 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4699 | case BINGET: |
| 4700 | if (load_binget(self) < 0) |
| 4701 | break; |
| 4702 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4703 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4704 | case LONG_BINGET: |
| 4705 | if (load_long_binget(self) < 0) |
| 4706 | break; |
| 4707 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4708 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4709 | case GET: |
| 4710 | if (load_get(self) < 0) |
| 4711 | break; |
| 4712 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4713 | |
Tim Peters | 2d62965 | 2003-02-04 05:06:17 +0000 | [diff] [blame] | 4714 | case EXT1: |
| 4715 | if (noload_extension(self, 1) < 0) |
| 4716 | break; |
| 4717 | continue; |
| 4718 | |
| 4719 | case EXT2: |
| 4720 | if (noload_extension(self, 2) < 0) |
| 4721 | break; |
| 4722 | continue; |
| 4723 | |
| 4724 | case EXT4: |
| 4725 | if (noload_extension(self, 4) < 0) |
| 4726 | break; |
| 4727 | continue; |
| 4728 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4729 | case MARK: |
| 4730 | if (load_mark(self) < 0) |
| 4731 | break; |
| 4732 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4733 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4734 | case BINPUT: |
| 4735 | if (load_binput(self) < 0) |
| 4736 | break; |
| 4737 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4738 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4739 | case LONG_BINPUT: |
| 4740 | if (load_long_binput(self) < 0) |
| 4741 | break; |
| 4742 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4743 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4744 | case PUT: |
| 4745 | if (load_put(self) < 0) |
| 4746 | break; |
| 4747 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4748 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4749 | case POP: |
| 4750 | if (load_pop(self) < 0) |
| 4751 | break; |
| 4752 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4753 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4754 | case POP_MARK: |
| 4755 | if (load_pop_mark(self) < 0) |
| 4756 | break; |
| 4757 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4758 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4759 | case SETITEM: |
| 4760 | if (load_setitem(self) < 0) |
| 4761 | break; |
| 4762 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4763 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4764 | case SETITEMS: |
| 4765 | if (load_setitems(self) < 0) |
| 4766 | break; |
| 4767 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4768 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4769 | case STOP: |
| 4770 | break; |
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 PERSID: |
| 4773 | if (load_persid(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 BINPERSID: |
| 4778 | if (load_binpersid(self) < 0) |
| 4779 | break; |
| 4780 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4781 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4782 | case REDUCE: |
| 4783 | if (noload_reduce(self) < 0) |
| 4784 | break; |
| 4785 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4786 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 4787 | case PROTO: |
| 4788 | if (load_proto(self) < 0) |
| 4789 | break; |
| 4790 | continue; |
| 4791 | |
Tim Peters | 3c67d79 | 2003-02-02 17:59:11 +0000 | [diff] [blame] | 4792 | case NEWTRUE: |
| 4793 | if (load_bool(self, Py_True) < 0) |
| 4794 | break; |
| 4795 | continue; |
| 4796 | |
| 4797 | case NEWFALSE: |
| 4798 | if (load_bool(self, Py_False) < 0) |
| 4799 | break; |
| 4800 | continue; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4801 | default: |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4802 | cPickle_ErrFormat(UnpicklingError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4803 | "invalid load key, '%s'.", |
| 4804 | "c", s[0]); |
| 4805 | return NULL; |
| 4806 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4807 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4808 | break; |
| 4809 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4810 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4811 | if ((err = PyErr_Occurred())) { |
| 4812 | if (err == PyExc_EOFError) { |
| 4813 | PyErr_SetNone(PyExc_EOFError); |
| 4814 | } |
| 4815 | return NULL; |
| 4816 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4817 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4818 | PDATA_POP(self->stack, val); |
| 4819 | return val; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4820 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4821 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4822 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4823 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4824 | Unpickler_load(Unpicklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4825 | { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4826 | if (!( PyArg_ParseTuple(args, ":load"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4827 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4828 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4829 | return load(self); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4830 | } |
| 4831 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4832 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4833 | Unpickler_noload(Unpicklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4834 | { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4835 | if (!( PyArg_ParseTuple(args, ":noload"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4836 | return NULL; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4837 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4838 | return noload(self); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4839 | } |
| 4840 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4841 | |
| 4842 | static struct PyMethodDef Unpickler_methods[] = { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4843 | {"load", (PyCFunction)Unpickler_load, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 4844 | PyDoc_STR("load() -- Load a pickle") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4845 | }, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4846 | {"noload", (PyCFunction)Unpickler_noload, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 4847 | PyDoc_STR( |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4848 | "noload() -- not load a pickle, but go through most of the motions\n" |
| 4849 | "\n" |
| 4850 | "This function can be used to read past a pickle without instantiating\n" |
| 4851 | "any objects or importing any modules. It can also be used to find all\n" |
| 4852 | "persistent references without instantiating any objects or importing\n" |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 4853 | "any modules.\n") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4854 | }, |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4855 | {NULL, NULL} /* sentinel */ |
| 4856 | }; |
| 4857 | |
| 4858 | |
| 4859 | static Unpicklerobject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4860 | newUnpicklerobject(PyObject *f) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4861 | { |
| 4862 | Unpicklerobject *self; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4863 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4864 | if (!( self = PyObject_New(Unpicklerobject, &Unpicklertype))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4865 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4866 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4867 | self->file = NULL; |
| 4868 | self->arg = NULL; |
| 4869 | self->stack = (Pdata*)Pdata_New(); |
| 4870 | self->pers_func = NULL; |
| 4871 | self->last_string = NULL; |
| 4872 | self->marks = NULL; |
| 4873 | self->num_marks = 0; |
| 4874 | self->marks_size = 0; |
| 4875 | self->buf_size = 0; |
| 4876 | self->read = NULL; |
| 4877 | self->readline = NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4878 | self->find_class = NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4879 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4880 | if (!( self->memo = PyDict_New())) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4881 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4882 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4883 | Py_INCREF(f); |
| 4884 | self->file = f; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4885 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4886 | /* Set read, readline based on type of f */ |
| 4887 | if (PyFile_Check(f)) { |
| 4888 | self->fp = PyFile_AsFile(f); |
| 4889 | if (self->fp == NULL) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4890 | PyErr_SetString(PyExc_ValueError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4891 | "I/O operation on closed file"); |
| 4892 | goto err; |
| 4893 | } |
| 4894 | self->read_func = read_file; |
| 4895 | self->readline_func = readline_file; |
Guido van Rossum | c91fcaa | 1999-03-29 20:00:14 +0000 | [diff] [blame] | 4896 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4897 | else if (PycStringIO_InputCheck(f)) { |
| 4898 | self->fp = NULL; |
| 4899 | self->read_func = read_cStringIO; |
| 4900 | self->readline_func = readline_cStringIO; |
| 4901 | } |
| 4902 | else { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4903 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4904 | self->fp = NULL; |
| 4905 | self->read_func = read_other; |
| 4906 | self->readline_func = readline_other; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4907 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4908 | if (!( (self->readline = PyObject_GetAttr(f, readline_str)) && |
| 4909 | (self->read = PyObject_GetAttr(f, read_str)))) { |
| 4910 | PyErr_Clear(); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4911 | PyErr_SetString( PyExc_TypeError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4912 | "argument must have 'read' and " |
| 4913 | "'readline' attributes" ); |
| 4914 | goto err; |
| 4915 | } |
| 4916 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4917 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4918 | return self; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4919 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4920 | err: |
| 4921 | Py_DECREF((PyObject *)self); |
| 4922 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4923 | } |
| 4924 | |
| 4925 | |
| 4926 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4927 | get_Unpickler(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4928 | { |
| 4929 | PyObject *file; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4930 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4931 | if (!( PyArg_ParseTuple(args, "O:Unpickler", &file))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4932 | return NULL; |
| 4933 | return (PyObject *)newUnpicklerobject(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4934 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4935 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4936 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4937 | static void |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4938 | Unpickler_dealloc(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4939 | { |
| 4940 | Py_XDECREF(self->readline); |
| 4941 | Py_XDECREF(self->read); |
| 4942 | Py_XDECREF(self->file); |
| 4943 | Py_XDECREF(self->memo); |
| 4944 | Py_XDECREF(self->stack); |
| 4945 | Py_XDECREF(self->pers_func); |
| 4946 | Py_XDECREF(self->arg); |
| 4947 | Py_XDECREF(self->last_string); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4948 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4949 | if (self->marks) { |
| 4950 | free(self->marks); |
| 4951 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4952 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4953 | if (self->buf_size) { |
| 4954 | free(self->buf); |
| 4955 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4956 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4957 | PyObject_Del(self); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4958 | } |
| 4959 | |
| 4960 | |
| 4961 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4962 | Unpickler_getattr(Unpicklerobject *self, char *name) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4963 | { |
| 4964 | if (!strcmp(name, "persistent_load")) { |
| 4965 | if (!self->pers_func) { |
| 4966 | PyErr_SetString(PyExc_AttributeError, name); |
| 4967 | return NULL; |
| 4968 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4969 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4970 | Py_INCREF(self->pers_func); |
| 4971 | return self->pers_func; |
| 4972 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4973 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4974 | if (!strcmp(name, "find_global")) { |
| 4975 | if (!self->find_class) { |
| 4976 | PyErr_SetString(PyExc_AttributeError, name); |
| 4977 | return NULL; |
| 4978 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 4979 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4980 | Py_INCREF(self->find_class); |
| 4981 | return self->find_class; |
| 4982 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 4983 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4984 | if (!strcmp(name, "memo")) { |
| 4985 | if (!self->memo) { |
| 4986 | PyErr_SetString(PyExc_AttributeError, name); |
| 4987 | return NULL; |
| 4988 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4989 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4990 | Py_INCREF(self->memo); |
| 4991 | return self->memo; |
| 4992 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4993 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4994 | if (!strcmp(name, "UnpicklingError")) { |
| 4995 | Py_INCREF(UnpicklingError); |
| 4996 | return UnpicklingError; |
| 4997 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4998 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4999 | return Py_FindMethod(Unpickler_methods, (PyObject *)self, name); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5000 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5001 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5002 | |
| 5003 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5004 | Unpickler_setattr(Unpicklerobject *self, char *name, PyObject *value) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5005 | { |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 5006 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5007 | if (!strcmp(name, "persistent_load")) { |
| 5008 | Py_XDECREF(self->pers_func); |
| 5009 | self->pers_func = value; |
| 5010 | Py_XINCREF(value); |
| 5011 | return 0; |
| 5012 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 5013 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5014 | if (!strcmp(name, "find_global")) { |
| 5015 | Py_XDECREF(self->find_class); |
| 5016 | self->find_class = value; |
| 5017 | Py_XINCREF(value); |
| 5018 | return 0; |
| 5019 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 5020 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5021 | if (! value) { |
| 5022 | PyErr_SetString(PyExc_TypeError, |
| 5023 | "attribute deletion is not supported"); |
| 5024 | return -1; |
| 5025 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 5026 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5027 | if (strcmp(name, "memo") == 0) { |
| 5028 | if (!PyDict_Check(value)) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5029 | PyErr_SetString(PyExc_TypeError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5030 | "memo must be a dictionary"); |
| 5031 | return -1; |
| 5032 | } |
| 5033 | Py_XDECREF(self->memo); |
| 5034 | self->memo = value; |
| 5035 | Py_INCREF(value); |
| 5036 | return 0; |
| 5037 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 5038 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5039 | PyErr_SetString(PyExc_AttributeError, name); |
| 5040 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5041 | } |
| 5042 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5043 | /* --------------------------------------------------------------------------- |
| 5044 | * Module-level functions. |
| 5045 | */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5046 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5047 | /* dump(obj, file, proto=0). */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5048 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5049 | cpm_dump(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5050 | { |
| 5051 | PyObject *ob, *file, *res = NULL; |
| 5052 | Picklerobject *pickler = 0; |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5053 | int proto = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5054 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5055 | if (!( PyArg_ParseTuple(args, "OO|i", &ob, &file, &proto))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5056 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5057 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5058 | if (!( pickler = newPicklerobject(file, proto))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5059 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5060 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5061 | if (dump(pickler, ob) < 0) |
| 5062 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5063 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5064 | Py_INCREF(Py_None); |
| 5065 | res = Py_None; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5066 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5067 | finally: |
| 5068 | Py_XDECREF(pickler); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5069 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5070 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5071 | } |
| 5072 | |
| 5073 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5074 | /* dumps(obj, proto=0). */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5075 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5076 | cpm_dumps(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5077 | { |
| 5078 | PyObject *ob, *file = 0, *res = NULL; |
| 5079 | Picklerobject *pickler = 0; |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5080 | int proto = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5081 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5082 | if (!( PyArg_ParseTuple(args, "O|i:dumps", &ob, &proto))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5083 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5084 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5085 | if (!( file = PycStringIO->NewOutput(128))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5086 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5087 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5088 | if (!( pickler = newPicklerobject(file, proto))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5089 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5090 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5091 | if (dump(pickler, ob) < 0) |
| 5092 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5093 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5094 | res = PycStringIO->cgetvalue(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5095 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5096 | finally: |
| 5097 | Py_XDECREF(pickler); |
| 5098 | Py_XDECREF(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5099 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5100 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 5101 | } |
| 5102 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5103 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5104 | /* load(fileobj). */ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5105 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5106 | cpm_load(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5107 | { |
| 5108 | Unpicklerobject *unpickler = 0; |
| 5109 | PyObject *ob, *res = NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5110 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5111 | if (!( PyArg_ParseTuple(args, "O:load", &ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5112 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5113 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5114 | if (!( unpickler = newUnpicklerobject(ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5115 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5116 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5117 | res = load(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5118 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5119 | finally: |
| 5120 | Py_XDECREF(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5121 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5122 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5123 | } |
| 5124 | |
| 5125 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5126 | /* loads(string) */ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5127 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5128 | cpm_loads(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5129 | { |
| 5130 | PyObject *ob, *file = 0, *res = NULL; |
| 5131 | Unpicklerobject *unpickler = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5132 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5133 | if (!( PyArg_ParseTuple(args, "S:loads", &ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5134 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5135 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5136 | if (!( file = PycStringIO->NewInput(ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5137 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 5138 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5139 | if (!( unpickler = newUnpicklerobject(file))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5140 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5141 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5142 | res = load(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5143 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5144 | finally: |
| 5145 | Py_XDECREF(file); |
| 5146 | Py_XDECREF(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5147 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5148 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5149 | } |
| 5150 | |
| 5151 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 5152 | PyDoc_STRVAR(Unpicklertype__doc__, |
| 5153 | "Objects that know how to unpickle"); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5154 | |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 5155 | static PyTypeObject Unpicklertype = { |
| 5156 | PyObject_HEAD_INIT(NULL) |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5157 | 0, /*ob_size*/ |
Guido van Rossum | 1464839 | 2001-12-08 18:02:58 +0000 | [diff] [blame] | 5158 | "cPickle.Unpickler", /*tp_name*/ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5159 | sizeof(Unpicklerobject), /*tp_basicsize*/ |
| 5160 | 0, /*tp_itemsize*/ |
| 5161 | /* methods */ |
| 5162 | (destructor)Unpickler_dealloc, /*tp_dealloc*/ |
| 5163 | (printfunc)0, /*tp_print*/ |
| 5164 | (getattrfunc)Unpickler_getattr, /*tp_getattr*/ |
| 5165 | (setattrfunc)Unpickler_setattr, /*tp_setattr*/ |
| 5166 | (cmpfunc)0, /*tp_compare*/ |
| 5167 | (reprfunc)0, /*tp_repr*/ |
| 5168 | 0, /*tp_as_number*/ |
| 5169 | 0, /*tp_as_sequence*/ |
| 5170 | 0, /*tp_as_mapping*/ |
| 5171 | (hashfunc)0, /*tp_hash*/ |
| 5172 | (ternaryfunc)0, /*tp_call*/ |
| 5173 | (reprfunc)0, /*tp_str*/ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5174 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5175 | /* Space for future expansion */ |
| 5176 | 0L,0L,0L,0L, |
| 5177 | Unpicklertype__doc__ /* Documentation string */ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 5178 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5179 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5180 | static struct PyMethodDef cPickle_methods[] = { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 5181 | {"dump", (PyCFunction)cpm_dump, METH_VARARGS, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5182 | PyDoc_STR("dump(object, file, proto=0) -- " |
| 5183 | "Write an object in pickle format to the given file.\n" |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5184 | "\n" |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5185 | "See the Pickler docstring for the meaning of optional argument proto.") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5186 | }, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5187 | |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 5188 | {"dumps", (PyCFunction)cpm_dumps, METH_VARARGS, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5189 | PyDoc_STR("dumps(object, proto=0) -- " |
| 5190 | "Return a string containing an object in pickle format.\n" |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5191 | "\n" |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5192 | "See the Pickler docstring for the meaning of optional argument proto.") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5193 | }, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5194 | |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 5195 | {"load", (PyCFunction)cpm_load, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 5196 | PyDoc_STR("load(file) -- Load a pickle from the given file")}, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5197 | |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 5198 | {"loads", (PyCFunction)cpm_loads, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 5199 | PyDoc_STR("loads(string) -- Load a pickle from the given string")}, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5200 | |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 5201 | {"Pickler", (PyCFunction)get_Pickler, METH_VARARGS, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5202 | PyDoc_STR("Pickler(file, proto=0) -- Create a pickler.\n" |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5203 | "\n" |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5204 | "This takes a file-like object for writing a pickle data stream.\n" |
| 5205 | "The optional proto argument tells the pickler to use the given\n" |
| 5206 | "protocol; supported protocols are 0, 1, 2. The default\n" |
| 5207 | "protocol is 0, to be backwards compatible. (Protocol 0 is the\n" |
| 5208 | "only protocol that can be written to a file opened in text\n" |
| 5209 | "mode and read back successfully. When using a protocol higher\n" |
| 5210 | "than 0, make sure the file is opened in binary mode, both when\n" |
| 5211 | "pickling and unpickling.)\n" |
| 5212 | "\n" |
| 5213 | "Protocol 1 is more efficient than protocol 0; protocol 2 is\n" |
| 5214 | "more efficient than protocol 1.\n" |
| 5215 | "\n" |
| 5216 | "Specifying a negative protocol version selects the highest\n" |
| 5217 | "protocol version supported. The higher the protocol used, the\n" |
| 5218 | "more recent the version of Python needed to read the pickle\n" |
| 5219 | "produced.\n" |
| 5220 | "\n" |
| 5221 | "The file parameter must have a write() method that accepts a single\n" |
| 5222 | "string argument. It can thus be an open file object, a StringIO\n" |
| 5223 | "object, or any other custom object that meets this interface.\n") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5224 | }, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5225 | |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 5226 | {"Unpickler", (PyCFunction)get_Unpickler, METH_VARARGS, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5227 | PyDoc_STR("Unpickler(file) -- Create an unpickler.")}, |
| 5228 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5229 | { NULL, NULL } |
| 5230 | }; |
| 5231 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5232 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5233 | init_stuff(PyObject *module_dict) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5234 | { |
| 5235 | PyObject *copy_reg, *t, *r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5236 | |
Martin v. Löwis | 43c9d8a | 2002-04-01 12:34:33 +0000 | [diff] [blame] | 5237 | #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] | 5238 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5239 | INIT_STR(__class__); |
| 5240 | INIT_STR(__getinitargs__); |
| 5241 | INIT_STR(__dict__); |
| 5242 | INIT_STR(__getstate__); |
| 5243 | INIT_STR(__setstate__); |
| 5244 | INIT_STR(__name__); |
| 5245 | INIT_STR(__main__); |
| 5246 | INIT_STR(__reduce__); |
| 5247 | INIT_STR(write); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5248 | INIT_STR(append); |
| 5249 | INIT_STR(read); |
| 5250 | INIT_STR(readline); |
| 5251 | INIT_STR(copy_reg); |
| 5252 | INIT_STR(dispatch_table); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5253 | INIT_STR(__basicnew__); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5254 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5255 | if (!( copy_reg = PyImport_ImportModule("copy_reg"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5256 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5257 | |
Tim Peters | 1f1b2d2 | 2003-02-01 02:16:37 +0000 | [diff] [blame] | 5258 | /* This is special because we want to use a different |
| 5259 | one in restricted mode. */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5260 | dispatch_table = PyObject_GetAttr(copy_reg, dispatch_table_str); |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5261 | if (!dispatch_table) return -1; |
| 5262 | |
| 5263 | extension_registry = PyObject_GetAttrString(copy_reg, |
Guido van Rossum | d4b920c | 2003-02-04 01:54:49 +0000 | [diff] [blame] | 5264 | "_extension_registry"); |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5265 | if (!extension_registry) return -1; |
| 5266 | |
| 5267 | inverted_registry = PyObject_GetAttrString(copy_reg, |
Guido van Rossum | d4b920c | 2003-02-04 01:54:49 +0000 | [diff] [blame] | 5268 | "_inverted_registry"); |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5269 | if (!inverted_registry) return -1; |
| 5270 | |
| 5271 | extension_cache = PyObject_GetAttrString(copy_reg, |
Guido van Rossum | d4b920c | 2003-02-04 01:54:49 +0000 | [diff] [blame] | 5272 | "_extension_cache"); |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5273 | if (!extension_cache) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5274 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5275 | Py_DECREF(copy_reg); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5276 | |
Tim Peters | 731098b | 2003-02-04 20:56:09 +0000 | [diff] [blame] | 5277 | if (!(empty_tuple = PyTuple_New(0))) |
| 5278 | return -1; |
| 5279 | |
| 5280 | two_tuple = PyTuple_New(2); |
| 5281 | if (two_tuple == NULL) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5282 | return -1; |
Tim Peters | 3e667d5 | 2003-02-04 21:47:44 +0000 | [diff] [blame] | 5283 | /* We use this temp container with no regard to refcounts, or to |
| 5284 | * keeping containees alive. Exempt from GC, because we don't |
| 5285 | * want anything looking at two_tuple() by magic. |
| 5286 | */ |
| 5287 | PyObject_GC_UnTrack(two_tuple); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5288 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5289 | /* Ugh */ |
| 5290 | if (!( t=PyImport_ImportModule("__builtin__"))) return -1; |
| 5291 | if (PyDict_SetItemString(module_dict, "__builtins__", t) < 0) |
| 5292 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5293 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5294 | if (!( t=PyDict_New())) return -1; |
| 5295 | if (!( r=PyRun_String( |
| 5296 | "def __init__(self, *args): self.args=args\n\n" |
| 5297 | "def __str__(self):\n" |
| 5298 | " return self.args and ('%s' % self.args[0]) or '(what)'\n", |
| 5299 | Py_file_input, |
| 5300 | module_dict, t) )) return -1; |
| 5301 | Py_DECREF(r); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5302 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5303 | PickleError = PyErr_NewException("cPickle.PickleError", NULL, t); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5304 | if (!PickleError) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5305 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5306 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5307 | Py_DECREF(t); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5308 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5309 | PicklingError = PyErr_NewException("cPickle.PicklingError", |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5310 | PickleError, NULL); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5311 | if (!PicklingError) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5312 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5313 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5314 | if (!( t=PyDict_New())) return -1; |
| 5315 | if (!( r=PyRun_String( |
| 5316 | "def __init__(self, *args): self.args=args\n\n" |
| 5317 | "def __str__(self):\n" |
| 5318 | " a=self.args\n" |
| 5319 | " a=a and type(a[0]) or '(what)'\n" |
| 5320 | " return 'Cannot pickle %s objects' % a\n" |
| 5321 | , Py_file_input, |
| 5322 | module_dict, t) )) return -1; |
| 5323 | Py_DECREF(r); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 5324 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5325 | if (!( UnpickleableError = PyErr_NewException( |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5326 | "cPickle.UnpickleableError", PicklingError, t))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5327 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5328 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5329 | Py_DECREF(t); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5330 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5331 | if (!( UnpicklingError = PyErr_NewException("cPickle.UnpicklingError", |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5332 | PickleError, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5333 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5334 | |
Martin v. Löwis | 658009a | 2002-09-16 17:26:24 +0000 | [diff] [blame] | 5335 | if (!( BadPickleGet = PyErr_NewException("cPickle.BadPickleGet", |
| 5336 | UnpicklingError, NULL))) |
| 5337 | return -1; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5338 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5339 | if (PyDict_SetItemString(module_dict, "PickleError", |
| 5340 | PickleError) < 0) |
| 5341 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5342 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5343 | if (PyDict_SetItemString(module_dict, "PicklingError", |
| 5344 | PicklingError) < 0) |
| 5345 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5346 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5347 | if (PyDict_SetItemString(module_dict, "UnpicklingError", |
| 5348 | UnpicklingError) < 0) |
| 5349 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5350 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5351 | if (PyDict_SetItemString(module_dict, "UnpickleableError", |
| 5352 | UnpickleableError) < 0) |
| 5353 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5354 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5355 | if (PyDict_SetItemString(module_dict, "BadPickleGet", |
| 5356 | BadPickleGet) < 0) |
| 5357 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5358 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5359 | PycString_IMPORT; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 5360 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5361 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5362 | } |
| 5363 | |
Mark Hammond | fe51c6d | 2002-08-02 02:27:13 +0000 | [diff] [blame] | 5364 | #ifndef PyMODINIT_FUNC /* declarations for DLL import/export */ |
| 5365 | #define PyMODINIT_FUNC void |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 5366 | #endif |
Mark Hammond | fe51c6d | 2002-08-02 02:27:13 +0000 | [diff] [blame] | 5367 | PyMODINIT_FUNC |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5368 | initcPickle(void) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5369 | { |
| 5370 | PyObject *m, *d, *di, *v, *k; |
| 5371 | int i; |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5372 | char *rev = "1.71"; /* XXX when does this change? */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5373 | PyObject *format_version; |
| 5374 | PyObject *compatible_formats; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5375 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5376 | Picklertype.ob_type = &PyType_Type; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5377 | Unpicklertype.ob_type = &PyType_Type; |
| 5378 | PdataType.ob_type = &PyType_Type; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5379 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5380 | /* Initialize some pieces. We need to do this before module creation, |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5381 | * so we're forced to use a temporary dictionary. :( |
| 5382 | */ |
| 5383 | di = PyDict_New(); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5384 | if (!di) return; |
| 5385 | if (init_stuff(di) < 0) return; |
Guido van Rossum | ebba420 | 2000-09-07 14:35:37 +0000 | [diff] [blame] | 5386 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5387 | /* Create the module and add the functions */ |
| 5388 | m = Py_InitModule4("cPickle", cPickle_methods, |
| 5389 | cPickle_module_documentation, |
| 5390 | (PyObject*)NULL,PYTHON_API_VERSION); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5391 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5392 | /* Add some symbolic constants to the module */ |
| 5393 | d = PyModule_GetDict(m); |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5394 | v = PyString_FromString(rev); |
| 5395 | PyDict_SetItemString(d, "__version__", v); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5396 | Py_XDECREF(v); |
Barry Warsaw | 93d29b6 | 1997-01-14 17:45:08 +0000 | [diff] [blame] | 5397 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5398 | /* Copy data from di. Waaa. */ |
| 5399 | for (i=0; PyDict_Next(di, &i, &k, &v); ) { |
| 5400 | if (PyObject_SetItem(d, k, v) < 0) { |
| 5401 | Py_DECREF(di); |
| 5402 | return; |
| 5403 | } |
| 5404 | } |
| 5405 | Py_DECREF(di); |
Guido van Rossum | ebba420 | 2000-09-07 14:35:37 +0000 | [diff] [blame] | 5406 | |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5407 | /* These are purely informational; no code uses them. */ |
| 5408 | /* File format version we write. */ |
| 5409 | format_version = PyString_FromString("2.0"); |
| 5410 | /* Format versions we can read. */ |
| 5411 | compatible_formats = Py_BuildValue("[sssss]", |
| 5412 | "1.0", /* Original protocol 0 */ |
| 5413 | "1.1", /* Protocol 0 + INST */ |
| 5414 | "1.2", /* Original protocol 1 */ |
| 5415 | "1.3", /* Protocol 1 + BINFLOAT */ |
Tim Peters | 0dd23aa | 2003-02-04 00:30:46 +0000 | [diff] [blame] | 5416 | "2.0"); /* Original protocol 2 */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5417 | PyDict_SetItemString(d, "format_version", format_version); |
| 5418 | PyDict_SetItemString(d, "compatible_formats", compatible_formats); |
| 5419 | Py_XDECREF(format_version); |
| 5420 | Py_XDECREF(compatible_formats); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5421 | } |