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 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 112 | static PyObject *__class___str, *__getinitargs___str, *__dict___str, |
| 113 | *__getstate___str, *__setstate___str, *__name___str, *__reduce___str, |
Tim Peters | 1f1b2d2 | 2003-02-01 02:16:37 +0000 | [diff] [blame] | 114 | *write_str, *append_str, |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 115 | *read_str, *readline_str, *__main___str, *__basicnew___str, |
Tim Peters | 1f1b2d2 | 2003-02-01 02:16:37 +0000 | [diff] [blame] | 116 | *copy_reg_str, *dispatch_table_str; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 117 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 118 | /************************************************************************* |
| 119 | Internal Data type for pickle data. */ |
| 120 | |
| 121 | typedef struct { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 122 | PyObject_HEAD |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 123 | int length; /* number of initial slots in data currently used */ |
| 124 | int size; /* number of slots in data allocated */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 125 | PyObject **data; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 126 | } Pdata; |
| 127 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 128 | static void |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 129 | Pdata_dealloc(Pdata *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 130 | { |
| 131 | int i; |
| 132 | PyObject **p; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 133 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 134 | for (i = self->length, p = self->data; --i >= 0; p++) { |
| 135 | Py_DECREF(*p); |
| 136 | } |
| 137 | if (self->data) |
| 138 | free(self->data); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 139 | PyObject_Del(self); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 140 | } |
| 141 | |
| 142 | static PyTypeObject PdataType = { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 143 | PyObject_HEAD_INIT(NULL) 0, "cPickle.Pdata", sizeof(Pdata), 0, |
| 144 | (destructor)Pdata_dealloc, |
| 145 | 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] | 146 | }; |
| 147 | |
| 148 | #define Pdata_Check(O) ((O)->ob_type == &PdataType) |
| 149 | |
| 150 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 151 | Pdata_New(void) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 152 | { |
| 153 | Pdata *self; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 154 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 155 | if (!(self = PyObject_New(Pdata, &PdataType))) |
| 156 | return NULL; |
| 157 | self->size = 8; |
| 158 | self->length = 0; |
| 159 | self->data = malloc(self->size * sizeof(PyObject*)); |
| 160 | if (self->data) |
| 161 | return (PyObject*)self; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 162 | Py_DECREF(self); |
| 163 | return PyErr_NoMemory(); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 164 | } |
| 165 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 166 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 167 | stackUnderflow(void) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 168 | { |
| 169 | PyErr_SetString(UnpicklingError, "unpickling stack underflow"); |
| 170 | return -1; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 171 | } |
| 172 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 173 | /* Retain only the initial clearto items. If clearto >= the current |
| 174 | * number of items, this is a (non-erroneous) NOP. |
| 175 | */ |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 176 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 177 | Pdata_clear(Pdata *self, int clearto) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 178 | { |
| 179 | int i; |
| 180 | PyObject **p; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 181 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 182 | if (clearto < 0) return stackUnderflow(); |
| 183 | if (clearto >= self->length) return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 184 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 185 | for (i = self->length, p = self->data + clearto; |
| 186 | --i >= clearto; |
| 187 | p++) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 188 | Py_DECREF(*p); |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 189 | } |
| 190 | self->length = clearto; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 191 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 192 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 193 | } |
| 194 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 195 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 196 | Pdata_grow(Pdata *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 197 | { |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 198 | int bigger; |
| 199 | size_t nbytes; |
| 200 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 201 | bigger = self->size << 1; |
Tim Peters | e0a3907 | 2003-02-03 15:45:56 +0000 | [diff] [blame] | 202 | if (bigger <= 0) /* was 0, or new value overflows */ |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 203 | goto nomemory; |
| 204 | if ((int)(size_t)bigger != bigger) |
| 205 | goto nomemory; |
| 206 | nbytes = (size_t)bigger * sizeof(PyObject *); |
| 207 | if (nbytes / sizeof(PyObject *) != (size_t)bigger) |
| 208 | goto nomemory; |
| 209 | self->data = realloc(self->data, nbytes); |
| 210 | if (self->data == NULL) |
| 211 | goto nomemory; |
| 212 | self->size = bigger; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 213 | return 0; |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 214 | |
| 215 | nomemory: |
| 216 | self->size = 0; |
| 217 | PyErr_NoMemory(); |
| 218 | return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 219 | } |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 220 | |
Tim Peters | e0a3907 | 2003-02-03 15:45:56 +0000 | [diff] [blame] | 221 | /* D is a Pdata*. Pop the topmost element and store it into V, which |
| 222 | * must be an lvalue holding PyObject*. On stack underflow, UnpicklingError |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 223 | * is raised and V is set to NULL. D and V may be evaluated several times. |
| 224 | */ |
| 225 | #define PDATA_POP(D, V) { \ |
Tim Peters | e0a3907 | 2003-02-03 15:45:56 +0000 | [diff] [blame] | 226 | if ((D)->length) \ |
| 227 | (V) = (D)->data[--((D)->length)]; \ |
| 228 | else { \ |
| 229 | PyErr_SetString(UnpicklingError, "bad pickle data"); \ |
| 230 | (V) = NULL; \ |
| 231 | } \ |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 232 | } |
| 233 | |
Tim Peters | e0a3907 | 2003-02-03 15:45:56 +0000 | [diff] [blame] | 234 | /* PDATA_PUSH and PDATA_APPEND both push rvalue PyObject* O on to Pdata* |
| 235 | * D. If the Pdata stack can't be grown to hold the new value, both |
| 236 | * raise MemoryError and execute "return ER". The difference is in ownership |
| 237 | * of O after: _PUSH transfers ownership of O from the caller to the stack |
| 238 | * (no incref of O is done, and in case of error O is decrefed), while |
| 239 | * _APPEND pushes a new reference. |
| 240 | */ |
| 241 | |
| 242 | /* Push O on stack D, giving ownership of O to the stack. */ |
| 243 | #define PDATA_PUSH(D, O, ER) { \ |
| 244 | if (((Pdata*)(D))->length == ((Pdata*)(D))->size && \ |
| 245 | Pdata_grow((Pdata*)(D)) < 0) { \ |
| 246 | Py_DECREF(O); \ |
| 247 | return ER; \ |
| 248 | } \ |
| 249 | ((Pdata*)(D))->data[((Pdata*)(D))->length++] = (O); \ |
| 250 | } |
| 251 | |
| 252 | /* Push O on stack D, pushing a new reference. */ |
| 253 | #define PDATA_APPEND(D, O, ER) { \ |
| 254 | if (((Pdata*)(D))->length == ((Pdata*)(D))->size && \ |
| 255 | Pdata_grow((Pdata*)(D)) < 0) \ |
| 256 | return ER; \ |
| 257 | Py_INCREF(O); \ |
| 258 | ((Pdata*)(D))->data[((Pdata*)(D))->length++] = (O); \ |
| 259 | } |
| 260 | |
| 261 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 262 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 263 | Pdata_popTuple(Pdata *self, int start) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 264 | { |
| 265 | PyObject *r; |
| 266 | int i, j, l; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 267 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 268 | l = self->length-start; |
| 269 | r = PyTuple_New(l); |
| 270 | if (r == NULL) |
| 271 | return NULL; |
| 272 | for (i = start, j = 0 ; j < l; i++, j++) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 273 | PyTuple_SET_ITEM(r, j, self->data[i]); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 274 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 275 | self->length = start; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 276 | return r; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 277 | } |
| 278 | |
| 279 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 280 | Pdata_popList(Pdata *self, int start) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 281 | { |
| 282 | PyObject *r; |
| 283 | int i, j, l; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 284 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 285 | l=self->length-start; |
| 286 | if (!( r=PyList_New(l))) return NULL; |
| 287 | for (i=start, j=0 ; j < l; i++, j++) |
| 288 | PyList_SET_ITEM(r, j, self->data[i]); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 289 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 290 | self->length=start; |
| 291 | return r; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 292 | } |
| 293 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 294 | /*************************************************************************/ |
| 295 | |
| 296 | #define ARG_TUP(self, o) { \ |
| 297 | if (self->arg || (self->arg=PyTuple_New(1))) { \ |
| 298 | Py_XDECREF(PyTuple_GET_ITEM(self->arg,0)); \ |
| 299 | PyTuple_SET_ITEM(self->arg,0,o); \ |
| 300 | } \ |
| 301 | else { \ |
| 302 | Py_DECREF(o); \ |
| 303 | } \ |
| 304 | } |
| 305 | |
| 306 | #define FREE_ARG_TUP(self) { \ |
| 307 | if (self->arg->ob_refcnt > 1) { \ |
| 308 | Py_DECREF(self->arg); \ |
| 309 | self->arg=NULL; \ |
| 310 | } \ |
| 311 | } |
| 312 | |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 313 | typedef struct Picklerobject { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 314 | PyObject_HEAD |
| 315 | FILE *fp; |
| 316 | PyObject *write; |
| 317 | PyObject *file; |
| 318 | PyObject *memo; |
| 319 | PyObject *arg; |
| 320 | PyObject *pers_func; |
| 321 | PyObject *inst_pers_func; |
Tim Peters | 797ec24 | 2003-02-01 06:22:36 +0000 | [diff] [blame] | 322 | |
| 323 | /* pickle protocol number, >= 0 */ |
| 324 | int proto; |
| 325 | |
| 326 | /* bool, true if proto > 0 */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 327 | int bin; |
Tim Peters | 797ec24 | 2003-02-01 06:22:36 +0000 | [diff] [blame] | 328 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 329 | 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] | 330 | int nesting; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 331 | int (*write_func)(struct Picklerobject *, char *, int); |
| 332 | char *write_buf; |
| 333 | int buf_size; |
| 334 | PyObject *dispatch_table; |
| 335 | int fast_container; /* count nested container dumps */ |
| 336 | PyObject *fast_memo; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 337 | } Picklerobject; |
| 338 | |
Barry Warsaw | 52acb49 | 2001-12-21 20:04:22 +0000 | [diff] [blame] | 339 | #ifndef PY_CPICKLE_FAST_LIMIT |
| 340 | #define PY_CPICKLE_FAST_LIMIT 50 |
| 341 | #endif |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 342 | |
Jeremy Hylton | 938ace6 | 2002-07-17 16:30:39 +0000 | [diff] [blame] | 343 | static PyTypeObject Picklertype; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 344 | |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 345 | typedef struct Unpicklerobject { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 346 | PyObject_HEAD |
| 347 | FILE *fp; |
| 348 | PyObject *file; |
| 349 | PyObject *readline; |
| 350 | PyObject *read; |
| 351 | PyObject *memo; |
| 352 | PyObject *arg; |
| 353 | Pdata *stack; |
| 354 | PyObject *mark; |
| 355 | PyObject *pers_func; |
| 356 | PyObject *last_string; |
| 357 | int *marks; |
| 358 | int num_marks; |
| 359 | int marks_size; |
| 360 | int (*read_func)(struct Unpicklerobject *, char **, int); |
| 361 | int (*readline_func)(struct Unpicklerobject *, char **); |
| 362 | int buf_size; |
| 363 | char *buf; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 364 | PyObject *find_class; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 365 | } Unpicklerobject; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 366 | |
Jeremy Hylton | 938ace6 | 2002-07-17 16:30:39 +0000 | [diff] [blame] | 367 | static PyTypeObject Unpicklertype; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 368 | |
Thomas Wouters | 4789b3a | 2000-07-24 11:36:47 +0000 | [diff] [blame] | 369 | /* Forward decls that need the above structs */ |
| 370 | static int save(Picklerobject *, PyObject *, int); |
| 371 | static int put2(Picklerobject *, PyObject *); |
| 372 | |
Guido van Rossum | d385d59 | 1997-04-09 17:47:47 +0000 | [diff] [blame] | 373 | static |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 374 | PyObject * |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 375 | cPickle_ErrFormat(PyObject *ErrType, char *stringformat, char *format, ...) |
| 376 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 377 | va_list va; |
| 378 | PyObject *args=0, *retval=0; |
| 379 | va_start(va, format); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 380 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 381 | if (format) args = Py_VaBuildValue(format, va); |
| 382 | va_end(va); |
| 383 | if (format && ! args) return NULL; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 384 | if (stringformat && !(retval=PyString_FromString(stringformat))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 385 | return NULL; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 386 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 387 | if (retval) { |
| 388 | if (args) { |
| 389 | PyObject *v; |
| 390 | v=PyString_Format(retval, args); |
| 391 | Py_DECREF(retval); |
| 392 | Py_DECREF(args); |
| 393 | if (! v) return NULL; |
| 394 | retval=v; |
| 395 | } |
| 396 | } |
| 397 | else |
| 398 | if (args) retval=args; |
| 399 | else { |
| 400 | PyErr_SetObject(ErrType,Py_None); |
| 401 | return NULL; |
| 402 | } |
| 403 | PyErr_SetObject(ErrType,retval); |
| 404 | Py_DECREF(retval); |
| 405 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 406 | } |
| 407 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 408 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 409 | write_file(Picklerobject *self, char *s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 410 | { |
| 411 | size_t nbyteswritten; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 412 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 413 | if (s == NULL) { |
| 414 | return 0; |
| 415 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 416 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 417 | Py_BEGIN_ALLOW_THREADS |
Jeremy Hylton | 7fa4bfa | 2002-07-18 20:58:57 +0000 | [diff] [blame] | 418 | nbyteswritten = fwrite(s, sizeof(char), n, self->fp); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 419 | Py_END_ALLOW_THREADS |
Jeremy Hylton | 7fa4bfa | 2002-07-18 20:58:57 +0000 | [diff] [blame] | 420 | if (nbyteswritten != (size_t)n) { |
| 421 | PyErr_SetFromErrno(PyExc_IOError); |
| 422 | return -1; |
| 423 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 424 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 425 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 426 | } |
| 427 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 428 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 429 | write_cStringIO(Picklerobject *self, char *s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 430 | { |
| 431 | if (s == NULL) { |
| 432 | return 0; |
| 433 | } |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 434 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 435 | if (PycStringIO->cwrite((PyObject *)self->file, s, n) != n) { |
| 436 | return -1; |
| 437 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 438 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 439 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 440 | } |
| 441 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 442 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 443 | write_none(Picklerobject *self, char *s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 444 | { |
| 445 | if (s == NULL) return 0; |
| 446 | return n; |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 447 | } |
| 448 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 449 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 450 | write_other(Picklerobject *self, char *s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 451 | { |
| 452 | PyObject *py_str = 0, *junk = 0; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 453 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 454 | if (s == NULL) { |
| 455 | if (!( self->buf_size )) return 0; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 456 | py_str = PyString_FromStringAndSize(self->write_buf, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 457 | self->buf_size); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 458 | if (!py_str) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 459 | return -1; |
| 460 | } |
| 461 | else { |
| 462 | if (self->buf_size && (n + self->buf_size) > WRITE_BUF_SIZE) { |
| 463 | if (write_other(self, NULL, 0) < 0) |
| 464 | return -1; |
| 465 | } |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 466 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 467 | if (n > WRITE_BUF_SIZE) { |
| 468 | if (!( py_str = |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 469 | PyString_FromStringAndSize(s, n))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 470 | return -1; |
| 471 | } |
| 472 | else { |
| 473 | memcpy(self->write_buf + self->buf_size, s, n); |
| 474 | self->buf_size += n; |
| 475 | return n; |
| 476 | } |
| 477 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 478 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 479 | if (self->write) { |
| 480 | /* object with write method */ |
| 481 | ARG_TUP(self, py_str); |
| 482 | if (self->arg) { |
| 483 | junk = PyObject_Call(self->write, self->arg, NULL); |
| 484 | FREE_ARG_TUP(self); |
| 485 | } |
| 486 | if (junk) Py_DECREF(junk); |
| 487 | else return -1; |
| 488 | } |
| 489 | else |
| 490 | PDATA_PUSH(self->file, py_str, -1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 491 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 492 | self->buf_size = 0; |
| 493 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 494 | } |
| 495 | |
| 496 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 497 | static int |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 498 | read_file(Unpicklerobject *self, char **s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 499 | { |
| 500 | size_t nbytesread; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 501 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 502 | if (self->buf_size == 0) { |
| 503 | int size; |
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 | size = ((n < 32) ? 32 : n); |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 506 | if (!( self->buf = (char *)malloc(size))) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 507 | PyErr_NoMemory(); |
| 508 | return -1; |
| 509 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 510 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 511 | self->buf_size = size; |
| 512 | } |
| 513 | else if (n > self->buf_size) { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 514 | self->buf = (char *)realloc(self->buf, n); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 515 | if (!self->buf) { |
| 516 | PyErr_NoMemory(); |
| 517 | return -1; |
| 518 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 519 | self->buf_size = n; |
| 520 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 521 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 522 | Py_BEGIN_ALLOW_THREADS |
| 523 | nbytesread = fread(self->buf, sizeof(char), n, self->fp); |
| 524 | Py_END_ALLOW_THREADS |
| 525 | if (nbytesread != (size_t)n) { |
| 526 | if (feof(self->fp)) { |
| 527 | PyErr_SetNone(PyExc_EOFError); |
| 528 | return -1; |
| 529 | } |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 530 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 531 | PyErr_SetFromErrno(PyExc_IOError); |
| 532 | return -1; |
| 533 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 534 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 535 | *s = self->buf; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 536 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 537 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 538 | } |
| 539 | |
| 540 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 541 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 542 | readline_file(Unpicklerobject *self, char **s) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 543 | { |
| 544 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 545 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 546 | if (self->buf_size == 0) { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 547 | if (!( self->buf = (char *)malloc(40))) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 548 | PyErr_NoMemory(); |
| 549 | return -1; |
| 550 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 551 | self->buf_size = 40; |
| 552 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 553 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 554 | i = 0; |
| 555 | while (1) { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 556 | int bigger; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 557 | for (; i < (self->buf_size - 1); i++) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 558 | if (feof(self->fp) || |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 559 | (self->buf[i] = getc(self->fp)) == '\n') { |
| 560 | self->buf[i + 1] = '\0'; |
| 561 | *s = self->buf; |
| 562 | return i + 1; |
| 563 | } |
| 564 | } |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 565 | bigger = self->buf_size << 1; |
| 566 | if (bigger <= 0) { /* overflow */ |
| 567 | PyErr_NoMemory(); |
| 568 | return -1; |
| 569 | } |
| 570 | self->buf = (char *)realloc(self->buf, bigger); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 571 | if (!self->buf) { |
| 572 | PyErr_NoMemory(); |
| 573 | return -1; |
| 574 | } |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 575 | self->buf_size = bigger; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 576 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 577 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 578 | |
| 579 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 580 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 581 | read_cStringIO(Unpicklerobject *self, char **s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 582 | { |
| 583 | char *ptr; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 584 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 585 | if (PycStringIO->cread((PyObject *)self->file, &ptr, n) != n) { |
| 586 | PyErr_SetNone(PyExc_EOFError); |
| 587 | return -1; |
| 588 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 589 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 590 | *s = ptr; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 591 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 592 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 593 | } |
| 594 | |
| 595 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 596 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 597 | readline_cStringIO(Unpicklerobject *self, char **s) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 598 | { |
| 599 | int n; |
| 600 | char *ptr; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 601 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 602 | if ((n = PycStringIO->creadline((PyObject *)self->file, &ptr)) < 0) { |
| 603 | return -1; |
| 604 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 605 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 606 | *s = ptr; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 607 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 608 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 609 | } |
| 610 | |
| 611 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 612 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 613 | read_other(Unpicklerobject *self, char **s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 614 | { |
| 615 | PyObject *bytes, *str=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 616 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 617 | if (!( bytes = PyInt_FromLong(n))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 618 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 619 | ARG_TUP(self, bytes); |
| 620 | if (self->arg) { |
| 621 | str = PyObject_Call(self->read, self->arg, NULL); |
| 622 | FREE_ARG_TUP(self); |
| 623 | } |
| 624 | if (! str) return -1; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 625 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 626 | Py_XDECREF(self->last_string); |
| 627 | self->last_string = str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 628 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 629 | if (! (*s = PyString_AsString(str))) return -1; |
| 630 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 631 | } |
| 632 | |
| 633 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 634 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 635 | readline_other(Unpicklerobject *self, char **s) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 636 | { |
| 637 | PyObject *str; |
| 638 | int str_size; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 639 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 640 | if (!( str = PyObject_CallObject(self->readline, empty_tuple))) { |
| 641 | return -1; |
| 642 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 643 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 644 | if ((str_size = PyString_Size(str)) < 0) |
| 645 | return -1; |
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 | Py_XDECREF(self->last_string); |
| 648 | self->last_string = str; |
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 | if (! (*s = PyString_AsString(str))) |
| 651 | return -1; |
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 | return str_size; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 654 | } |
| 655 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 656 | /* Copy the first n bytes from s into newly malloc'ed memory, plus a |
| 657 | * trailing 0 byte. Return a pointer to that, or NULL if out of memory. |
| 658 | * The caller is responsible for free()'ing the return value. |
| 659 | */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 660 | static char * |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 661 | pystrndup(char *s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 662 | { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 663 | char *r = (char *)malloc(n+1); |
| 664 | if (r == NULL) |
| 665 | return (char*)PyErr_NoMemory(); |
| 666 | memcpy(r, s, n); |
| 667 | r[n] = 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 668 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 669 | } |
| 670 | |
| 671 | |
| 672 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 673 | get(Picklerobject *self, PyObject *id) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 674 | { |
| 675 | PyObject *value, *mv; |
| 676 | long c_value; |
| 677 | char s[30]; |
| 678 | size_t len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 679 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 680 | if (!( mv = PyDict_GetItem(self->memo, id))) { |
| 681 | PyErr_SetObject(PyExc_KeyError, id); |
| 682 | return -1; |
| 683 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 684 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 685 | if (!( value = PyTuple_GetItem(mv, 0))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 686 | return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 687 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 688 | if (!( PyInt_Check(value))) { |
| 689 | PyErr_SetString(PicklingError, "no int where int expected in memo"); |
| 690 | return -1; |
| 691 | } |
| 692 | c_value = PyInt_AS_LONG((PyIntObject*)value); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 693 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 694 | if (!self->bin) { |
| 695 | s[0] = GET; |
| 696 | PyOS_snprintf(s + 1, sizeof(s) - 1, "%ld\n", c_value); |
| 697 | len = strlen(s); |
| 698 | } |
| 699 | else if (Pdata_Check(self->file)) { |
| 700 | if (write_other(self, NULL, 0) < 0) return -1; |
| 701 | PDATA_APPEND(self->file, mv, -1); |
| 702 | return 0; |
| 703 | } |
| 704 | else { |
| 705 | if (c_value < 256) { |
| 706 | s[0] = BINGET; |
| 707 | s[1] = (int)(c_value & 0xff); |
| 708 | len = 2; |
| 709 | } |
| 710 | else { |
| 711 | s[0] = LONG_BINGET; |
| 712 | s[1] = (int)(c_value & 0xff); |
| 713 | s[2] = (int)((c_value >> 8) & 0xff); |
| 714 | s[3] = (int)((c_value >> 16) & 0xff); |
| 715 | s[4] = (int)((c_value >> 24) & 0xff); |
| 716 | len = 5; |
| 717 | } |
| 718 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 719 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 720 | if (self->write_func(self, s, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 721 | return -1; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 722 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 723 | return 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 724 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 725 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 726 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 727 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 728 | put(Picklerobject *self, PyObject *ob) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 729 | { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 730 | if (ob->ob_refcnt < 2 || self->fast) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 731 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 732 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 733 | return put2(self, ob); |
| 734 | } |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 735 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 736 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 737 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 738 | put2(Picklerobject *self, PyObject *ob) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 739 | { |
| 740 | char c_str[30]; |
| 741 | int p; |
| 742 | size_t len; |
| 743 | int res = -1; |
| 744 | PyObject *py_ob_id = 0, *memo_len = 0, *t = 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 745 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 746 | if (self->fast) |
| 747 | return 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 ((p = PyDict_Size(self->memo)) < 0) |
| 750 | goto finally; |
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 | /* Make sure memo keys are positive! */ |
Tim Peters | 70b02d7 | 2003-02-02 17:26:40 +0000 | [diff] [blame] | 753 | /* XXX Why? |
| 754 | * XXX And does "positive" really mean non-negative? |
| 755 | * XXX pickle.py starts with PUT index 0, not 1. This makes for |
| 756 | * XXX gratuitous differences between the pickling modules. |
| 757 | */ |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 758 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 759 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 760 | if (!( py_ob_id = PyLong_FromVoidPtr(ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 761 | goto finally; |
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 (!( memo_len = PyInt_FromLong(p))) |
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 (!( t = PyTuple_New(2))) |
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 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 769 | PyTuple_SET_ITEM(t, 0, memo_len); |
| 770 | Py_INCREF(memo_len); |
| 771 | PyTuple_SET_ITEM(t, 1, ob); |
| 772 | Py_INCREF(ob); |
| 773 | |
| 774 | if (PyDict_SetItem(self->memo, py_ob_id, t) < 0) |
| 775 | goto finally; |
| 776 | |
| 777 | if (!self->bin) { |
| 778 | c_str[0] = PUT; |
| 779 | PyOS_snprintf(c_str + 1, sizeof(c_str) - 1, "%d\n", p); |
| 780 | len = strlen(c_str); |
| 781 | } |
| 782 | else if (Pdata_Check(self->file)) { |
| 783 | if (write_other(self, NULL, 0) < 0) return -1; |
| 784 | PDATA_APPEND(self->file, memo_len, -1); |
| 785 | res=0; /* Job well done ;) */ |
| 786 | goto finally; |
| 787 | } |
| 788 | else { |
| 789 | if (p >= 256) { |
| 790 | c_str[0] = LONG_BINPUT; |
| 791 | c_str[1] = (int)(p & 0xff); |
| 792 | c_str[2] = (int)((p >> 8) & 0xff); |
| 793 | c_str[3] = (int)((p >> 16) & 0xff); |
| 794 | c_str[4] = (int)((p >> 24) & 0xff); |
| 795 | len = 5; |
| 796 | } |
| 797 | else { |
| 798 | c_str[0] = BINPUT; |
| 799 | c_str[1] = p; |
| 800 | len = 2; |
| 801 | } |
| 802 | } |
| 803 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 804 | if (self->write_func(self, c_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 805 | goto finally; |
| 806 | |
| 807 | res = 0; |
| 808 | |
| 809 | finally: |
| 810 | Py_XDECREF(py_ob_id); |
| 811 | Py_XDECREF(memo_len); |
| 812 | Py_XDECREF(t); |
| 813 | |
| 814 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 815 | } |
| 816 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 817 | #define PyImport_Import cPickle_Import |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 818 | |
| 819 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 820 | PyImport_Import(PyObject *module_name) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 821 | { |
| 822 | static PyObject *silly_list=0, *__builtins___str=0, *__import___str; |
| 823 | static PyObject *standard_builtins=0; |
| 824 | PyObject *globals=0, *__import__=0, *__builtins__=0, *r=0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 825 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 826 | if (!( silly_list )) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 827 | if (!( __import___str=PyString_FromString("__import__"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 828 | return NULL; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 829 | if (!( __builtins___str=PyString_FromString("__builtins__"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 830 | return NULL; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 831 | if (!( silly_list=Py_BuildValue("[s]","__doc__"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 832 | return NULL; |
| 833 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 834 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 835 | if ((globals=PyEval_GetGlobals())) { |
| 836 | Py_INCREF(globals); |
| 837 | __builtins__=PyObject_GetItem(globals,__builtins___str); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 838 | if (!__builtins__) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 839 | goto err; |
| 840 | } |
| 841 | else { |
| 842 | PyErr_Clear(); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 843 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 844 | if (!(standard_builtins || |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 845 | (standard_builtins=PyImport_ImportModule("__builtin__")))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 846 | return NULL; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 847 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 848 | __builtins__=standard_builtins; |
| 849 | Py_INCREF(__builtins__); |
| 850 | globals = Py_BuildValue("{sO}", "__builtins__", __builtins__); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 851 | if (!globals) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 852 | goto err; |
| 853 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 854 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 855 | if (PyDict_Check(__builtins__)) { |
| 856 | __import__=PyObject_GetItem(__builtins__,__import___str); |
| 857 | if (!__import__) goto err; |
| 858 | } |
| 859 | else { |
| 860 | __import__=PyObject_GetAttr(__builtins__,__import___str); |
| 861 | if (!__import__) goto err; |
| 862 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 863 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 864 | r=PyObject_CallFunction(__import__,"OOOO", |
| 865 | module_name, globals, globals, silly_list); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 866 | if (!r) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 867 | goto err; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 868 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 869 | Py_DECREF(globals); |
| 870 | Py_DECREF(__builtins__); |
| 871 | Py_DECREF(__import__); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 872 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 873 | return r; |
| 874 | err: |
| 875 | Py_XDECREF(globals); |
| 876 | Py_XDECREF(__builtins__); |
| 877 | Py_XDECREF(__import__); |
| 878 | return NULL; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 879 | } |
| 880 | |
| 881 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 882 | whichmodule(PyObject *global, PyObject *global_name) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 883 | { |
| 884 | int i, j; |
| 885 | PyObject *module = 0, *modules_dict = 0, |
| 886 | *global_name_attr = 0, *name = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 887 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 888 | module = PyObject_GetAttrString(global, "__module__"); |
| 889 | if (module) return module; |
| 890 | PyErr_Clear(); |
Guido van Rossum | 4518823 | 1997-09-28 05:38:51 +0000 | [diff] [blame] | 891 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 892 | if (!( modules_dict = PySys_GetObject("modules"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 893 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 894 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 895 | i = 0; |
| 896 | while ((j = PyDict_Next(modules_dict, &i, &name, &module))) { |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 897 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 898 | if (PyObject_Compare(name, __main___str)==0) continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 899 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 900 | global_name_attr = PyObject_GetAttr(module, global_name); |
| 901 | if (!global_name_attr) { |
| 902 | PyErr_Clear(); |
| 903 | continue; |
| 904 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 905 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 906 | if (global_name_attr != global) { |
| 907 | Py_DECREF(global_name_attr); |
| 908 | continue; |
| 909 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 910 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 911 | Py_DECREF(global_name_attr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 912 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 913 | break; |
| 914 | } |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 915 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 916 | /* The following implements the rule in pickle.py added in 1.5 |
| 917 | that used __main__ if no module is found. I don't actually |
| 918 | like this rule. jlf |
| 919 | */ |
| 920 | if (!j) { |
| 921 | j=1; |
| 922 | name=__main___str; |
| 923 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 924 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 925 | Py_INCREF(name); |
| 926 | return name; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 927 | } |
| 928 | |
| 929 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 930 | static int |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 931 | fast_save_enter(Picklerobject *self, PyObject *obj) |
| 932 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 933 | /* if fast_container < 0, we're doing an error exit. */ |
| 934 | if (++self->fast_container >= PY_CPICKLE_FAST_LIMIT) { |
| 935 | PyObject *key = NULL; |
| 936 | if (self->fast_memo == NULL) { |
| 937 | self->fast_memo = PyDict_New(); |
| 938 | if (self->fast_memo == NULL) { |
| 939 | self->fast_container = -1; |
| 940 | return 0; |
| 941 | } |
| 942 | } |
| 943 | key = PyLong_FromVoidPtr(obj); |
| 944 | if (key == NULL) |
| 945 | return 0; |
| 946 | if (PyDict_GetItem(self->fast_memo, key)) { |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 947 | Py_DECREF(key); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 948 | PyErr_Format(PyExc_ValueError, |
| 949 | "fast mode: can't pickle cyclic objects including object type %s at %p", |
| 950 | obj->ob_type->tp_name, obj); |
| 951 | self->fast_container = -1; |
| 952 | return 0; |
| 953 | } |
| 954 | if (PyDict_SetItem(self->fast_memo, key, Py_None) < 0) { |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 955 | Py_DECREF(key); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 956 | self->fast_container = -1; |
| 957 | return 0; |
| 958 | } |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 959 | Py_DECREF(key); |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 960 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 961 | return 1; |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 962 | } |
| 963 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 964 | int |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 965 | fast_save_leave(Picklerobject *self, PyObject *obj) |
| 966 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 967 | if (self->fast_container-- >= PY_CPICKLE_FAST_LIMIT) { |
| 968 | PyObject *key = PyLong_FromVoidPtr(obj); |
| 969 | if (key == NULL) |
| 970 | return 0; |
| 971 | if (PyDict_DelItem(self->fast_memo, key) < 0) { |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 972 | Py_DECREF(key); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 973 | return 0; |
| 974 | } |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 975 | Py_DECREF(key); |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 976 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 977 | return 1; |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 978 | } |
| 979 | |
| 980 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 981 | save_none(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 982 | { |
| 983 | static char none = NONE; |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 984 | if (self->write_func(self, &none, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 985 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 986 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 987 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 988 | } |
| 989 | |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 990 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 991 | save_bool(Picklerobject *self, PyObject *args) |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 992 | { |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 993 | static char *buf[2] = {FALSE, TRUE}; |
| 994 | static char len[2] = {sizeof(FALSE)-1, sizeof(TRUE)-1}; |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 995 | long l = PyInt_AS_LONG((PyIntObject *)args); |
| 996 | |
Tim Peters | 3c67d79 | 2003-02-02 17:59:11 +0000 | [diff] [blame] | 997 | if (self->proto >= 2) { |
| 998 | char opcode = l ? NEWTRUE : NEWFALSE; |
| 999 | if (self->write_func(self, &opcode, 1) < 0) |
| 1000 | return -1; |
| 1001 | } |
| 1002 | else if (self->write_func(self, buf[l], len[l]) < 0) |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 1003 | return -1; |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 1004 | return 0; |
| 1005 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1006 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1007 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1008 | save_int(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1009 | { |
| 1010 | char c_str[32]; |
| 1011 | long l = PyInt_AS_LONG((PyIntObject *)args); |
| 1012 | int len = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1013 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1014 | if (!self->bin |
Guido van Rossum | de8d6d7 | 1997-05-13 18:00:44 +0000 | [diff] [blame] | 1015 | #if SIZEOF_LONG > 4 |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1016 | || l > 0x7fffffffL |
| 1017 | || l < -0x80000000L |
Guido van Rossum | de8d6d7 | 1997-05-13 18:00:44 +0000 | [diff] [blame] | 1018 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1019 | ) { |
| 1020 | /* Text-mode pickle, or long too big to fit in the 4-byte |
| 1021 | * signed BININT format: store as a string. |
| 1022 | */ |
| 1023 | c_str[0] = INT; |
| 1024 | PyOS_snprintf(c_str + 1, sizeof(c_str) - 1, "%ld\n", l); |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1025 | if (self->write_func(self, c_str, strlen(c_str)) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1026 | return -1; |
| 1027 | } |
| 1028 | else { |
| 1029 | /* Binary pickle and l fits in a signed 4-byte int. */ |
| 1030 | c_str[1] = (int)( l & 0xff); |
| 1031 | c_str[2] = (int)((l >> 8) & 0xff); |
| 1032 | c_str[3] = (int)((l >> 16) & 0xff); |
| 1033 | c_str[4] = (int)((l >> 24) & 0xff); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1034 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1035 | if ((c_str[4] == 0) && (c_str[3] == 0)) { |
| 1036 | if (c_str[2] == 0) { |
| 1037 | c_str[0] = BININT1; |
| 1038 | len = 2; |
| 1039 | } |
| 1040 | else { |
| 1041 | c_str[0] = BININT2; |
| 1042 | len = 3; |
| 1043 | } |
| 1044 | } |
| 1045 | else { |
| 1046 | c_str[0] = BININT; |
| 1047 | len = 5; |
| 1048 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1049 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1050 | if (self->write_func(self, c_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1051 | return -1; |
| 1052 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1053 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1054 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1055 | } |
| 1056 | |
| 1057 | |
| 1058 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1059 | save_long(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1060 | { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 1061 | int size; |
| 1062 | int res = -1; |
| 1063 | PyObject *repr = NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1064 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1065 | static char l = LONG; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1066 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 1067 | if (self->proto >= 2) { |
| 1068 | /* Linear-time pickling. */ |
| 1069 | size_t nbits; |
| 1070 | size_t nbytes; |
| 1071 | unsigned char *pdata; |
| 1072 | char c_str[5]; |
| 1073 | int i; |
| 1074 | int sign = _PyLong_Sign(args); |
| 1075 | |
| 1076 | if (sign == 0) { |
| 1077 | /* It's 0 -- an empty bytestring. */ |
| 1078 | c_str[0] = LONG1; |
| 1079 | c_str[1] = 0; |
| 1080 | i = self->write_func(self, c_str, 2); |
| 1081 | if (i < 0) goto finally; |
| 1082 | res = 0; |
| 1083 | goto finally; |
| 1084 | } |
| 1085 | nbits = _PyLong_NumBits(args); |
| 1086 | if (nbits == (size_t)-1 && PyErr_Occurred()) |
| 1087 | goto finally; |
| 1088 | /* How many bytes do we need? There are nbits >> 3 full |
| 1089 | * bytes of data, and nbits & 7 leftover bits. If there |
| 1090 | * are any leftover bits, then we clearly need another |
| 1091 | * byte. Wnat's not so obvious is that we *probably* |
| 1092 | * need another byte even if there aren't any leftovers: |
| 1093 | * the most-significant bit of the most-significant byte |
| 1094 | * acts like a sign bit, and it's usually got a sense |
| 1095 | * opposite of the one we need. The exception is longs |
| 1096 | * of the form -(2**(8*j-1)) for j > 0. Such a long is |
| 1097 | * its own 256's-complement, so has the right sign bit |
| 1098 | * even without the extra byte. That's a pain to check |
| 1099 | * for in advance, though, so we always grab an extra |
| 1100 | * byte at the start, and cut it back later if possible. |
| 1101 | */ |
| 1102 | nbytes = (nbits >> 3) + 1; |
| 1103 | if ((int)nbytes < 0 || (size_t)(int)nbytes != nbytes) { |
| 1104 | PyErr_SetString(PyExc_OverflowError, "long too large " |
| 1105 | "to pickle"); |
| 1106 | goto finally; |
| 1107 | } |
| 1108 | repr = PyString_FromStringAndSize(NULL, (int)nbytes); |
| 1109 | if (repr == NULL) goto finally; |
| 1110 | pdata = (unsigned char *)PyString_AS_STRING(repr); |
| 1111 | i = _PyLong_AsByteArray((PyLongObject *)args, |
| 1112 | pdata, nbytes, |
| 1113 | 1 /* little endian */, 1 /* signed */); |
| 1114 | if (i < 0) goto finally; |
| 1115 | /* If the long is negative, this may be a byte more than |
| 1116 | * needed. This is so iff the MSB is all redundant sign |
| 1117 | * bits. |
| 1118 | */ |
| 1119 | if (sign < 0 && nbytes > 1 && pdata[nbytes - 1] == 0xff && |
| 1120 | (pdata[nbytes - 2] & 0x80) != 0) |
| 1121 | --nbytes; |
| 1122 | |
| 1123 | if (nbytes < 256) { |
| 1124 | c_str[0] = LONG1; |
| 1125 | c_str[1] = (char)nbytes; |
| 1126 | size = 2; |
| 1127 | } |
| 1128 | else { |
| 1129 | c_str[0] = LONG4; |
| 1130 | size = (int)nbytes; |
| 1131 | for (i = 1; i < 5; i++) { |
| 1132 | c_str[i] = (char)(size & 0xff); |
| 1133 | size >>= 8; |
| 1134 | } |
| 1135 | size = 5; |
| 1136 | } |
| 1137 | i = self->write_func(self, c_str, size); |
| 1138 | if (i < 0) goto finally; |
| 1139 | i = self->write_func(self, (char *)pdata, (int)nbytes); |
| 1140 | if (i < 0) goto finally; |
| 1141 | res = 0; |
| 1142 | goto finally; |
| 1143 | } |
| 1144 | |
| 1145 | /* proto < 2: write the repr and newline. This is quadratic-time |
| 1146 | * (in the number of digits), in both directions. |
| 1147 | */ |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1148 | if (!( repr = PyObject_Repr(args))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1149 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1150 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1151 | if ((size = PyString_Size(repr)) < 0) |
| 1152 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1153 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1154 | if (self->write_func(self, &l, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 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, |
| 1158 | PyString_AS_STRING((PyStringObject *)repr), |
| 1159 | size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1160 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1161 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1162 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1163 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1164 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1165 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1166 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1167 | finally: |
| 1168 | Py_XDECREF(repr); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1169 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1170 | } |
| 1171 | |
| 1172 | |
| 1173 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1174 | save_float(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1175 | { |
| 1176 | double x = PyFloat_AS_DOUBLE((PyFloatObject *)args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1177 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1178 | if (self->bin) { |
| 1179 | int s, e; |
| 1180 | double f; |
| 1181 | long fhi, flo; |
| 1182 | char str[9]; |
| 1183 | unsigned char *p = (unsigned char *)str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1184 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1185 | *p = BINFLOAT; |
| 1186 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1187 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1188 | if (x < 0) { |
| 1189 | s = 1; |
| 1190 | x = -x; |
| 1191 | } |
| 1192 | else |
| 1193 | s = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1194 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1195 | f = frexp(x, &e); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1196 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1197 | /* Normalize f to be in the range [1.0, 2.0) */ |
| 1198 | if (0.5 <= f && f < 1.0) { |
| 1199 | f *= 2.0; |
| 1200 | e--; |
| 1201 | } |
| 1202 | else if (f == 0.0) { |
| 1203 | e = 0; |
| 1204 | } |
| 1205 | else { |
| 1206 | PyErr_SetString(PyExc_SystemError, |
| 1207 | "frexp() result out of range"); |
| 1208 | return -1; |
| 1209 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1210 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1211 | if (e >= 1024) { |
| 1212 | /* XXX 1024 itself is reserved for Inf/NaN */ |
| 1213 | PyErr_SetString(PyExc_OverflowError, |
| 1214 | "float too large to pack with d format"); |
| 1215 | return -1; |
| 1216 | } |
| 1217 | else if (e < -1022) { |
| 1218 | /* Gradual underflow */ |
| 1219 | f = ldexp(f, 1022 + e); |
| 1220 | e = 0; |
| 1221 | } |
| 1222 | else if (!(e == 0 && f == 0.0)) { |
| 1223 | e += 1023; |
| 1224 | f -= 1.0; /* Get rid of leading 1 */ |
| 1225 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1226 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1227 | /* fhi receives the high 28 bits; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1228 | flo the low 24 bits (== 52 bits) */ |
| 1229 | f *= 268435456.0; /* 2**28 */ |
| 1230 | fhi = (long) floor(f); /* Truncate */ |
| 1231 | f -= (double)fhi; |
| 1232 | f *= 16777216.0; /* 2**24 */ |
| 1233 | flo = (long) floor(f + 0.5); /* Round */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1234 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1235 | /* First byte */ |
| 1236 | *p = (s<<7) | (e>>4); |
| 1237 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1238 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1239 | /* Second byte */ |
| 1240 | *p = (unsigned char) (((e&0xF)<<4) | (fhi>>24)); |
| 1241 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1242 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1243 | /* Third byte */ |
| 1244 | *p = (unsigned char) ((fhi>>16) & 0xFF); |
| 1245 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1246 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1247 | /* Fourth byte */ |
| 1248 | *p = (unsigned char) ((fhi>>8) & 0xFF); |
| 1249 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1250 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1251 | /* Fifth byte */ |
| 1252 | *p = (unsigned char) (fhi & 0xFF); |
| 1253 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1254 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1255 | /* Sixth byte */ |
| 1256 | *p = (unsigned char) ((flo>>16) & 0xFF); |
| 1257 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1258 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1259 | /* Seventh byte */ |
| 1260 | *p = (unsigned char) ((flo>>8) & 0xFF); |
| 1261 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1262 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1263 | /* Eighth byte */ |
| 1264 | *p = (unsigned char) (flo & 0xFF); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1265 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1266 | if (self->write_func(self, str, 9) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1267 | return -1; |
| 1268 | } |
| 1269 | else { |
| 1270 | char c_str[250]; |
| 1271 | c_str[0] = FLOAT; |
| 1272 | 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] | 1273 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1274 | if (self->write_func(self, c_str, strlen(c_str)) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1275 | return -1; |
| 1276 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1277 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1278 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1279 | } |
| 1280 | |
| 1281 | |
| 1282 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1283 | save_string(Picklerobject *self, PyObject *args, int doput) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1284 | { |
| 1285 | int size, len; |
| 1286 | PyObject *repr=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1287 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1288 | if ((size = PyString_Size(args)) < 0) |
| 1289 | return -1; |
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 (!self->bin) { |
| 1292 | char *repr_str; |
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 | static char string = STRING; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1295 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1296 | if (!( repr = PyObject_Repr(args))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1297 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1298 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1299 | if ((len = PyString_Size(repr)) < 0) |
| 1300 | goto err; |
| 1301 | repr_str = PyString_AS_STRING((PyStringObject *)repr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1302 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1303 | if (self->write_func(self, &string, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1304 | goto err; |
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, repr_str, len) < 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, "\n", 1) < 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 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1312 | Py_XDECREF(repr); |
| 1313 | } |
| 1314 | else { |
| 1315 | int i; |
| 1316 | char c_str[5]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1317 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1318 | if ((size = PyString_Size(args)) < 0) |
| 1319 | return -1; |
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 < 256) { |
| 1322 | c_str[0] = SHORT_BINSTRING; |
| 1323 | c_str[1] = size; |
| 1324 | len = 2; |
| 1325 | } |
| 1326 | else { |
| 1327 | c_str[0] = BINSTRING; |
| 1328 | for (i = 1; i < 5; i++) |
| 1329 | c_str[i] = (int)(size >> ((i - 1) * 8)); |
| 1330 | len = 5; |
| 1331 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1332 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1333 | if (self->write_func(self, c_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1334 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1335 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1336 | if (size > 128 && Pdata_Check(self->file)) { |
| 1337 | if (write_other(self, NULL, 0) < 0) return -1; |
| 1338 | PDATA_APPEND(self->file, args, -1); |
| 1339 | } |
| 1340 | else { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1341 | if (self->write_func(self, |
| 1342 | PyString_AS_STRING( |
| 1343 | (PyStringObject *)args), |
| 1344 | size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1345 | return -1; |
| 1346 | } |
| 1347 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1348 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1349 | if (doput) |
| 1350 | if (put(self, args) < 0) |
| 1351 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1352 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1353 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1354 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1355 | err: |
| 1356 | Py_XDECREF(repr); |
| 1357 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1358 | } |
| 1359 | |
| 1360 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1361 | #ifdef Py_USING_UNICODE |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1362 | /* A copy of PyUnicode_EncodeRawUnicodeEscape() that also translates |
| 1363 | backslash and newline characters to \uXXXX escapes. */ |
| 1364 | static PyObject * |
| 1365 | modified_EncodeRawUnicodeEscape(const Py_UNICODE *s, int size) |
| 1366 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1367 | PyObject *repr; |
| 1368 | char *p; |
| 1369 | char *q; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1370 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1371 | static const char *hexdigit = "0123456789ABCDEF"; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1372 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1373 | repr = PyString_FromStringAndSize(NULL, 6 * size); |
| 1374 | if (repr == NULL) |
| 1375 | return NULL; |
| 1376 | if (size == 0) |
| 1377 | return repr; |
| 1378 | |
| 1379 | p = q = PyString_AS_STRING(repr); |
| 1380 | while (size-- > 0) { |
| 1381 | Py_UNICODE ch = *s++; |
| 1382 | /* Map 16-bit characters to '\uxxxx' */ |
| 1383 | if (ch >= 256 || ch == '\\' || ch == '\n') { |
| 1384 | *p++ = '\\'; |
| 1385 | *p++ = 'u'; |
| 1386 | *p++ = hexdigit[(ch >> 12) & 0xf]; |
| 1387 | *p++ = hexdigit[(ch >> 8) & 0xf]; |
| 1388 | *p++ = hexdigit[(ch >> 4) & 0xf]; |
| 1389 | *p++ = hexdigit[ch & 15]; |
| 1390 | } |
| 1391 | /* Copy everything else as-is */ |
| 1392 | else |
| 1393 | *p++ = (char) ch; |
| 1394 | } |
| 1395 | *p = '\0'; |
Tim Peters | 5de9842 | 2002-04-27 18:44:32 +0000 | [diff] [blame] | 1396 | _PyString_Resize(&repr, p - q); |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1397 | return repr; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1398 | } |
| 1399 | |
| 1400 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1401 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1402 | save_unicode(Picklerobject *self, PyObject *args, int doput) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1403 | { |
| 1404 | int size, len; |
| 1405 | PyObject *repr=0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1406 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1407 | if (!PyUnicode_Check(args)) |
| 1408 | return -1; |
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 (!self->bin) { |
| 1411 | char *repr_str; |
| 1412 | static char string = UNICODE; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1413 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1414 | repr = modified_EncodeRawUnicodeEscape( |
| 1415 | PyUnicode_AS_UNICODE(args), PyUnicode_GET_SIZE(args)); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1416 | if (!repr) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1417 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1418 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1419 | if ((len = PyString_Size(repr)) < 0) |
| 1420 | goto err; |
| 1421 | repr_str = PyString_AS_STRING((PyStringObject *)repr); |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1422 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1423 | if (self->write_func(self, &string, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1424 | goto err; |
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, repr_str, len) < 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, "\n", 1) < 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 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1432 | Py_XDECREF(repr); |
| 1433 | } |
| 1434 | else { |
| 1435 | int i; |
| 1436 | char c_str[5]; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1437 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1438 | if (!( repr = PyUnicode_AsUTF8String(args))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1439 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1440 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1441 | if ((size = PyString_Size(repr)) < 0) |
| 1442 | goto err; |
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 | c_str[0] = BINUNICODE; |
| 1445 | for (i = 1; i < 5; i++) |
| 1446 | c_str[i] = (int)(size >> ((i - 1) * 8)); |
| 1447 | len = 5; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1448 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1449 | if (self->write_func(self, c_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1450 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1451 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1452 | if (size > 128 && Pdata_Check(self->file)) { |
| 1453 | if (write_other(self, NULL, 0) < 0) |
| 1454 | goto err; |
| 1455 | PDATA_APPEND(self->file, repr, -1); |
| 1456 | } |
| 1457 | else { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1458 | if (self->write_func(self, PyString_AS_STRING(repr), |
| 1459 | size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1460 | goto err; |
| 1461 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1462 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1463 | Py_DECREF(repr); |
| 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 | if (doput) |
| 1467 | if (put(self, args) < 0) |
| 1468 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1469 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1470 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1471 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1472 | err: |
| 1473 | Py_XDECREF(repr); |
| 1474 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1475 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1476 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1477 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1478 | /* A helper for save_tuple. Push the len elements in tuple t on the stack. */ |
| 1479 | static int |
| 1480 | store_tuple_elememts(Picklerobject *self, PyObject *t, int len) |
| 1481 | { |
| 1482 | int i; |
| 1483 | int res = -1; /* guilty until proved innocent */ |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1484 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1485 | assert(PyTuple_Size(t) == len); |
| 1486 | |
| 1487 | for (i = 0; i < len; i++) { |
| 1488 | PyObject *element = PyTuple_GET_ITEM(t, i); |
| 1489 | |
| 1490 | if (element == NULL) |
| 1491 | goto finally; |
| 1492 | if (save(self, element, 0) < 0) |
| 1493 | goto finally; |
| 1494 | } |
| 1495 | res = 0; |
| 1496 | |
| 1497 | finally: |
| 1498 | return res; |
| 1499 | } |
| 1500 | |
| 1501 | /* Tuples are ubiquitous in the pickle protocols, so many techniques are |
| 1502 | * used across protocols to minimize the space needed to pickle them. |
| 1503 | * Tuples are also the only builtin immuatable type that can be recursive |
| 1504 | * (a tuple can be reached from itself), and that requires some subtle |
| 1505 | * magic so that it works in all cases. IOW, this is a long routine. |
| 1506 | */ |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1507 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1508 | save_tuple(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1509 | { |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1510 | PyObject *py_tuple_id = NULL; |
| 1511 | int len, i; |
| 1512 | int res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1513 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1514 | static char tuple = TUPLE; |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1515 | static char pop = POP; |
| 1516 | static char pop_mark = POP_MARK; |
| 1517 | static char len2opcode[] = {EMPTY_TUPLE, TUPLE1, TUPLE2, TUPLE3}; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1518 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1519 | if ((len = PyTuple_Size(args)) < 0) |
| 1520 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1521 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1522 | if (len == 0) { |
| 1523 | char c_str[2]; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1524 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1525 | if (self->proto) { |
| 1526 | c_str[0] = EMPTY_TUPLE; |
| 1527 | len = 1; |
| 1528 | } |
| 1529 | else { |
| 1530 | c_str[0] = MARK; |
| 1531 | c_str[1] = TUPLE; |
| 1532 | len = 2; |
| 1533 | } |
| 1534 | if (self->write_func(self, c_str, len) >= 0) |
| 1535 | res = 0; |
| 1536 | /* Don't memoize an empty tuple. */ |
| 1537 | goto finally; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1538 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1539 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1540 | /* A non-empty tuple. */ |
| 1541 | |
| 1542 | /* id(tuple) isn't in the memo now. If it shows up there after |
| 1543 | * saving the tuple elements, the tuple must be recursive, in |
| 1544 | * which case we'll pop everything we put on the stack, and fetch |
| 1545 | * its value from the memo. |
| 1546 | */ |
| 1547 | py_tuple_id = PyLong_FromVoidPtr(args); |
| 1548 | if (py_tuple_id == NULL) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1549 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1550 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1551 | if (len <= 3 && self->proto >= 2) { |
| 1552 | /* Use TUPLE{1,2,3} opcodes. */ |
| 1553 | if (store_tuple_elememts(self, args, len) < 0) |
| 1554 | goto finally; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1555 | if (PyDict_GetItem(self->memo, py_tuple_id)) { |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1556 | /* pop the len elements */ |
| 1557 | for (i = 0; i < len; ++i) |
| 1558 | if (self->write_func(self, &pop, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1559 | goto finally; |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1560 | /* fetch from memo */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1561 | if (get(self, py_tuple_id) < 0) |
| 1562 | goto finally; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1563 | res = 0; |
| 1564 | goto finally; |
| 1565 | } |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1566 | /* Not recursive. */ |
| 1567 | if (self->write_func(self, len2opcode + len, 1) < 0) |
| 1568 | goto finally; |
| 1569 | goto memoize; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1570 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1571 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1572 | /* proto < 2 and len > 0, or proto >= 2 and len > 3. |
| 1573 | * Generate MARK elt1 elt2 ... TUPLE |
| 1574 | */ |
| 1575 | if (self->write_func(self, &MARKv, 1) < 0) |
| 1576 | goto finally; |
| 1577 | |
| 1578 | if (store_tuple_elememts(self, args, len) < 0) |
| 1579 | goto finally; |
| 1580 | |
| 1581 | if (PyDict_GetItem(self->memo, py_tuple_id)) { |
| 1582 | /* pop the stack stuff we pushed */ |
| 1583 | if (self->bin) { |
| 1584 | if (self->write_func(self, &pop_mark, 1) < 0) |
| 1585 | goto finally; |
| 1586 | } |
| 1587 | else { |
| 1588 | /* Note that we pop one more than len, to remove |
| 1589 | * the MARK too. |
| 1590 | */ |
| 1591 | for (i = 0; i <= len; i++) |
| 1592 | if (self->write_func(self, &pop, 1) < 0) |
| 1593 | goto finally; |
| 1594 | } |
| 1595 | /* fetch from memo */ |
| 1596 | if (get(self, py_tuple_id) >= 0) |
| 1597 | res = 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1598 | goto finally; |
| 1599 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1600 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1601 | /* Not recursive. */ |
| 1602 | if (self->write_func(self, &tuple, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1603 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1604 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1605 | memoize: |
| 1606 | if (put(self, args) >= 0) |
| 1607 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1608 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1609 | finally: |
| 1610 | Py_XDECREF(py_tuple_id); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1611 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1612 | } |
| 1613 | |
| 1614 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1615 | save_list(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1616 | { |
| 1617 | PyObject *element = 0; |
| 1618 | int s_len, len, i, using_appends, res = -1; |
| 1619 | char s[3]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1620 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1621 | static char append = APPEND, appends = APPENDS; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1622 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1623 | if (self->fast && !fast_save_enter(self, args)) |
| 1624 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1625 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1626 | if (self->bin) { |
| 1627 | s[0] = EMPTY_LIST; |
| 1628 | s_len = 1; |
| 1629 | } |
| 1630 | else { |
| 1631 | s[0] = MARK; |
| 1632 | s[1] = LIST; |
| 1633 | s_len = 2; |
| 1634 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1635 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1636 | if ((len = PyList_Size(args)) < 0) |
| 1637 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1638 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1639 | if (self->write_func(self, s, s_len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1640 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1641 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1642 | if (len == 0) { |
| 1643 | if (put(self, args) < 0) |
| 1644 | goto finally; |
| 1645 | } |
| 1646 | else { |
| 1647 | if (put2(self, args) < 0) |
| 1648 | goto finally; |
| 1649 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1650 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1651 | if ((using_appends = (self->bin && (len > 1)))) |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1652 | if (self->write_func(self, &MARKv, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1653 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1654 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1655 | for (i = 0; i < len; i++) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1656 | if (!( element = PyList_GET_ITEM((PyListObject *)args, i))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1657 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1658 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1659 | if (save(self, element, 0) < 0) |
| 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 (!using_appends) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1663 | if (self->write_func(self, &append, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1664 | goto finally; |
| 1665 | } |
| 1666 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1667 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1668 | if (using_appends) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1669 | if (self->write_func(self, &appends, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1670 | goto finally; |
| 1671 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1672 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1673 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1674 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1675 | finally: |
| 1676 | if (self->fast && !fast_save_leave(self, args)) |
| 1677 | res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1678 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1679 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1680 | } |
| 1681 | |
| 1682 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1683 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1684 | save_dict(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1685 | { |
| 1686 | PyObject *key = 0, *value = 0; |
| 1687 | int i, len, res = -1, using_setitems; |
| 1688 | char s[3]; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1689 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1690 | static char setitem = SETITEM, setitems = SETITEMS; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1691 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1692 | if (self->fast && !fast_save_enter(self, args)) |
| 1693 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1694 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1695 | if (self->bin) { |
| 1696 | s[0] = EMPTY_DICT; |
| 1697 | len = 1; |
| 1698 | } |
| 1699 | else { |
| 1700 | s[0] = MARK; |
| 1701 | s[1] = DICT; |
| 1702 | len = 2; |
| 1703 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1704 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1705 | if (self->write_func(self, s, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1706 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1707 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1708 | if ((len = PyDict_Size(args)) < 0) |
| 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 == 0) { |
| 1712 | if (put(self, args) < 0) |
| 1713 | goto finally; |
| 1714 | } |
| 1715 | else { |
| 1716 | if (put2(self, args) < 0) |
| 1717 | goto finally; |
| 1718 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1719 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1720 | if ((using_setitems = (self->bin && (PyDict_Size(args) > 1)))) |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1721 | if (self->write_func(self, &MARKv, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1722 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1723 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1724 | i = 0; |
| 1725 | while (PyDict_Next(args, &i, &key, &value)) { |
| 1726 | if (save(self, key, 0) < 0) |
| 1727 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1728 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1729 | if (save(self, value, 0) < 0) |
| 1730 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1731 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1732 | if (!using_setitems) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1733 | if (self->write_func(self, &setitem, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1734 | goto finally; |
| 1735 | } |
| 1736 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1737 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1738 | if (using_setitems) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1739 | if (self->write_func(self, &setitems, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1740 | goto finally; |
| 1741 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1742 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1743 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1744 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1745 | finally: |
| 1746 | if (self->fast && !fast_save_leave(self, args)) |
| 1747 | res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1748 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1749 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1750 | } |
| 1751 | |
| 1752 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1753 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1754 | save_inst(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1755 | { |
| 1756 | PyObject *class = 0, *module = 0, *name = 0, *state = 0, |
| 1757 | *getinitargs_func = 0, *getstate_func = 0, *class_args = 0; |
| 1758 | char *module_str, *name_str; |
| 1759 | int module_size, name_size, res = -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1760 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1761 | static char inst = INST, obj = OBJ, build = BUILD; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1762 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1763 | if (self->fast && !fast_save_enter(self, args)) |
| 1764 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1765 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1766 | if (self->write_func(self, &MARKv, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1767 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1768 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1769 | if (!( class = PyObject_GetAttr(args, __class___str))) |
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 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1772 | if (self->bin) { |
| 1773 | if (save(self, class, 0) < 0) |
| 1774 | goto finally; |
| 1775 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1776 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1777 | if ((getinitargs_func = PyObject_GetAttr(args, __getinitargs___str))) { |
| 1778 | PyObject *element = 0; |
| 1779 | int i, len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1780 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1781 | if (!( class_args = |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1782 | PyObject_Call(getinitargs_func, empty_tuple, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1783 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1784 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1785 | if ((len = PyObject_Size(class_args)) < 0) |
| 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 | for (i = 0; i < len; i++) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1789 | if (!( element = PySequence_GetItem(class_args, i))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1790 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1791 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1792 | if (save(self, element, 0) < 0) { |
| 1793 | Py_DECREF(element); |
| 1794 | goto finally; |
| 1795 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1796 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1797 | Py_DECREF(element); |
| 1798 | } |
| 1799 | } |
| 1800 | else { |
| 1801 | PyErr_Clear(); |
| 1802 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1803 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1804 | if (!self->bin) { |
| 1805 | if (!( name = ((PyClassObject *)class)->cl_name )) { |
| 1806 | PyErr_SetString(PicklingError, "class has no name"); |
| 1807 | goto finally; |
| 1808 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1809 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1810 | if (!( module = whichmodule(class, name))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1811 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1812 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1813 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1814 | if ((module_size = PyString_Size(module)) < 0 || |
| 1815 | (name_size = PyString_Size(name)) < 0) |
| 1816 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1817 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1818 | module_str = PyString_AS_STRING((PyStringObject *)module); |
| 1819 | name_str = PyString_AS_STRING((PyStringObject *)name); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1820 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1821 | if (self->write_func(self, &inst, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1822 | goto finally; |
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, module_str, module_size) < 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, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1828 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1829 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1830 | if (self->write_func(self, name_str, name_size) < 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, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1834 | goto finally; |
| 1835 | } |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1836 | else if (self->write_func(self, &obj, 1) < 0) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1837 | goto finally; |
| 1838 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1839 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1840 | if ((getstate_func = PyObject_GetAttr(args, __getstate___str))) { |
| 1841 | state = PyObject_Call(getstate_func, empty_tuple, NULL); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1842 | if (!state) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1843 | goto finally; |
| 1844 | } |
| 1845 | else { |
| 1846 | PyErr_Clear(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1847 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1848 | if (!( state = PyObject_GetAttr(args, __dict___str))) { |
| 1849 | PyErr_Clear(); |
| 1850 | res = 0; |
| 1851 | goto finally; |
| 1852 | } |
| 1853 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1854 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1855 | if (!PyDict_Check(state)) { |
| 1856 | if (put2(self, args) < 0) |
| 1857 | goto finally; |
| 1858 | } |
| 1859 | else { |
| 1860 | if (put(self, args) < 0) |
| 1861 | goto finally; |
| 1862 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1863 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1864 | if (save(self, state, 0) < 0) |
| 1865 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1866 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1867 | if (self->write_func(self, &build, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1868 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1869 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1870 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1871 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1872 | finally: |
| 1873 | if (self->fast && !fast_save_leave(self, args)) |
| 1874 | res = -1; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1875 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1876 | Py_XDECREF(module); |
| 1877 | Py_XDECREF(class); |
| 1878 | Py_XDECREF(state); |
| 1879 | Py_XDECREF(getinitargs_func); |
| 1880 | Py_XDECREF(getstate_func); |
| 1881 | Py_XDECREF(class_args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1882 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1883 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1884 | } |
| 1885 | |
| 1886 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1887 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1888 | save_global(Picklerobject *self, PyObject *args, PyObject *name) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1889 | { |
Jeremy Hylton | 9ee91f1 | 2002-07-11 22:02:33 +0000 | [diff] [blame] | 1890 | PyObject *global_name = 0, *module = 0, *mod = 0, *klass = 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1891 | char *name_str, *module_str; |
| 1892 | int module_size, name_size, res = -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1893 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1894 | static char global = GLOBAL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1895 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1896 | if (name) { |
| 1897 | global_name = name; |
| 1898 | Py_INCREF(global_name); |
| 1899 | } |
| 1900 | else { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1901 | if (!( global_name = PyObject_GetAttr(args, __name___str))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1902 | goto finally; |
| 1903 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1904 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1905 | if (!( module = whichmodule(args, global_name))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1906 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1907 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1908 | if ((module_size = PyString_Size(module)) < 0 || |
| 1909 | (name_size = PyString_Size(global_name)) < 0) |
| 1910 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1911 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1912 | module_str = PyString_AS_STRING((PyStringObject *)module); |
| 1913 | name_str = PyString_AS_STRING((PyStringObject *)global_name); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1914 | |
Guido van Rossum | 75bfd05 | 2002-12-24 18:10:07 +0000 | [diff] [blame] | 1915 | /* XXX This can be doing a relative import. Clearly it shouldn't, |
| 1916 | but I don't know how to stop it. :-( */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1917 | mod = PyImport_ImportModule(module_str); |
| 1918 | if (mod == NULL) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1919 | cPickle_ErrFormat(PicklingError, |
| 1920 | "Can't pickle %s: it's not found as %s.%s", |
| 1921 | "OSS", args, module, global_name); |
| 1922 | goto finally; |
| 1923 | } |
Jeremy Hylton | 0e1f7a8 | 2002-07-11 22:01:40 +0000 | [diff] [blame] | 1924 | klass = PyObject_GetAttrString(mod, name_str); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1925 | if (klass == NULL) { |
| 1926 | cPickle_ErrFormat(PicklingError, |
| 1927 | "Can't pickle %s: it's not found as %s.%s", |
| 1928 | "OSS", args, module, global_name); |
| 1929 | goto finally; |
| 1930 | } |
| 1931 | if (klass != args) { |
Jeremy Hylton | 0e1f7a8 | 2002-07-11 22:01:40 +0000 | [diff] [blame] | 1932 | Py_DECREF(klass); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1933 | cPickle_ErrFormat(PicklingError, |
| 1934 | "Can't pickle %s: it's not the same object as %s.%s", |
| 1935 | "OSS", args, module, global_name); |
| 1936 | goto finally; |
| 1937 | } |
Jeremy Hylton | 0e1f7a8 | 2002-07-11 22:01:40 +0000 | [diff] [blame] | 1938 | Py_DECREF(klass); |
Guido van Rossum | a92d16a | 2001-08-18 21:22:07 +0000 | [diff] [blame] | 1939 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1940 | if (self->write_func(self, &global, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1941 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1942 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1943 | if (self->write_func(self, module_str, module_size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1944 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1945 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1946 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1947 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1948 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1949 | if (self->write_func(self, name_str, name_size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1950 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1951 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1952 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1953 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1954 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1955 | if (put(self, args) < 0) |
| 1956 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1957 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1958 | res = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1959 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1960 | finally: |
| 1961 | Py_XDECREF(module); |
| 1962 | Py_XDECREF(global_name); |
| 1963 | Py_XDECREF(mod); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1964 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1965 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1966 | } |
| 1967 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1968 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1969 | save_pers(Picklerobject *self, PyObject *args, PyObject *f) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1970 | { |
| 1971 | PyObject *pid = 0; |
| 1972 | int size, res = -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1973 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1974 | static char persid = PERSID, binpersid = BINPERSID; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1975 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1976 | Py_INCREF(args); |
| 1977 | ARG_TUP(self, args); |
| 1978 | if (self->arg) { |
| 1979 | pid = PyObject_Call(f, self->arg, NULL); |
| 1980 | FREE_ARG_TUP(self); |
| 1981 | } |
| 1982 | if (! pid) return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1983 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1984 | if (pid != Py_None) { |
| 1985 | if (!self->bin) { |
| 1986 | if (!PyString_Check(pid)) { |
| 1987 | PyErr_SetString(PicklingError, |
| 1988 | "persistent id must be string"); |
| 1989 | goto finally; |
| 1990 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1991 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1992 | if (self->write_func(self, &persid, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1993 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1994 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1995 | if ((size = PyString_Size(pid)) < 0) |
| 1996 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1997 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1998 | if (self->write_func(self, |
| 1999 | PyString_AS_STRING( |
| 2000 | (PyStringObject *)pid), |
| 2001 | size) < 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, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2005 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2006 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2007 | res = 1; |
| 2008 | goto finally; |
| 2009 | } |
| 2010 | else if (save(self, pid, 1) >= 0) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2011 | if (self->write_func(self, &binpersid, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2012 | res = -1; |
| 2013 | else |
| 2014 | res = 1; |
| 2015 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2016 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2017 | goto finally; |
| 2018 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2019 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2020 | res = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2021 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2022 | finally: |
| 2023 | Py_XDECREF(pid); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2024 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2025 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2026 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2027 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2028 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2029 | static int |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2030 | save_reduce(Picklerobject *self, PyObject *callable, |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2031 | PyObject *tup, PyObject *state, PyObject *ob) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2032 | { |
| 2033 | static char reduce = REDUCE, build = BUILD; |
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 | if (save(self, callable, 0) < 0) |
| 2036 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2037 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2038 | if (save(self, tup, 0) < 0) |
| 2039 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2040 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2041 | if (self->write_func(self, &reduce, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2042 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2043 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2044 | if (ob != NULL) { |
| 2045 | if (state && !PyDict_Check(state)) { |
| 2046 | if (put2(self, ob) < 0) |
| 2047 | return -1; |
| 2048 | } |
| 2049 | else { |
| 2050 | if (put(self, ob) < 0) |
| 2051 | return -1; |
| 2052 | } |
| 2053 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2054 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2055 | if (state) { |
| 2056 | if (save(self, state, 0) < 0) |
| 2057 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2058 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2059 | if (self->write_func(self, &build, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2060 | return -1; |
| 2061 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2062 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2063 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2064 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2065 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2066 | static int |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 2067 | save(Picklerobject *self, PyObject *args, int pers_save) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2068 | { |
| 2069 | PyTypeObject *type; |
| 2070 | PyObject *py_ob_id = 0, *__reduce__ = 0, *t = 0, *arg_tup = 0, |
| 2071 | *callable = 0, *state = 0; |
| 2072 | int res = -1, tmp, size; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2073 | |
Martin v. Löwis | 5a39530 | 2002-08-04 08:20:23 +0000 | [diff] [blame] | 2074 | if (self->nesting++ > Py_GetRecursionLimit()){ |
| 2075 | PyErr_SetString(PyExc_RuntimeError, |
| 2076 | "maximum recursion depth exceeded"); |
| 2077 | goto finally; |
| 2078 | } |
| 2079 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2080 | if (!pers_save && self->pers_func) { |
| 2081 | if ((tmp = save_pers(self, args, self->pers_func)) != 0) { |
| 2082 | res = tmp; |
| 2083 | goto finally; |
| 2084 | } |
| 2085 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2086 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2087 | if (args == Py_None) { |
| 2088 | res = save_none(self, args); |
| 2089 | goto finally; |
| 2090 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2091 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2092 | type = args->ob_type; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2093 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2094 | switch (type->tp_name[0]) { |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 2095 | case 'b': |
| 2096 | if (args == Py_False || args == Py_True) { |
| 2097 | res = save_bool(self, args); |
| 2098 | goto finally; |
| 2099 | } |
| 2100 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2101 | case 'i': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2102 | if (type == &PyInt_Type) { |
| 2103 | res = save_int(self, args); |
| 2104 | goto finally; |
| 2105 | } |
| 2106 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2107 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2108 | case 'l': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2109 | if (type == &PyLong_Type) { |
| 2110 | res = save_long(self, args); |
| 2111 | goto finally; |
| 2112 | } |
| 2113 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2114 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2115 | case 'f': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2116 | if (type == &PyFloat_Type) { |
| 2117 | res = save_float(self, args); |
| 2118 | goto finally; |
| 2119 | } |
| 2120 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2121 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2122 | case 't': |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 2123 | if (type == &PyTuple_Type && PyTuple_Size(args) == 0) { |
| 2124 | res = save_tuple(self, args); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2125 | goto finally; |
| 2126 | } |
| 2127 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2128 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2129 | case 's': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2130 | if ((type == &PyString_Type) && (PyString_GET_SIZE(args) < 2)) { |
| 2131 | res = save_string(self, args, 0); |
| 2132 | goto finally; |
| 2133 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2134 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2135 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2136 | case 'u': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2137 | if ((type == &PyUnicode_Type) && (PyString_GET_SIZE(args) < 2)) { |
| 2138 | res = save_unicode(self, args, 0); |
| 2139 | goto finally; |
| 2140 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2141 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2142 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2143 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2144 | if (args->ob_refcnt > 1) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2145 | if (!( py_ob_id = PyLong_FromVoidPtr(args))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2146 | goto finally; |
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 (PyDict_GetItem(self->memo, py_ob_id)) { |
| 2149 | if (get(self, py_ob_id) < 0) |
| 2150 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2151 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2152 | res = 0; |
| 2153 | goto finally; |
| 2154 | } |
| 2155 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2156 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2157 | switch (type->tp_name[0]) { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2158 | case 's': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2159 | if (type == &PyString_Type) { |
| 2160 | res = save_string(self, args, 1); |
| 2161 | goto finally; |
| 2162 | } |
| 2163 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2164 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2165 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2166 | case 'u': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2167 | if (type == &PyUnicode_Type) { |
| 2168 | res = save_unicode(self, args, 1); |
| 2169 | goto finally; |
| 2170 | } |
| 2171 | break; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2172 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2173 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2174 | case 't': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2175 | if (type == &PyTuple_Type) { |
| 2176 | res = save_tuple(self, args); |
| 2177 | goto finally; |
| 2178 | } |
| 2179 | if (type == &PyType_Type) { |
| 2180 | res = save_global(self, args, NULL); |
| 2181 | goto finally; |
| 2182 | } |
| 2183 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2184 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2185 | case 'l': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2186 | if (type == &PyList_Type) { |
| 2187 | res = save_list(self, args); |
| 2188 | goto finally; |
| 2189 | } |
| 2190 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2191 | |
| 2192 | case 'd': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2193 | if (type == &PyDict_Type) { |
| 2194 | res = save_dict(self, args); |
| 2195 | goto finally; |
| 2196 | } |
| 2197 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2198 | |
| 2199 | case 'i': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2200 | if (type == &PyInstance_Type) { |
| 2201 | res = save_inst(self, args); |
| 2202 | goto finally; |
| 2203 | } |
| 2204 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2205 | |
| 2206 | case 'c': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2207 | if (type == &PyClass_Type) { |
| 2208 | res = save_global(self, args, NULL); |
| 2209 | goto finally; |
| 2210 | } |
| 2211 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2212 | |
| 2213 | case 'f': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2214 | if (type == &PyFunction_Type) { |
| 2215 | res = save_global(self, args, NULL); |
| 2216 | goto finally; |
| 2217 | } |
| 2218 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2219 | |
| 2220 | case 'b': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2221 | if (type == &PyCFunction_Type) { |
| 2222 | res = save_global(self, args, NULL); |
| 2223 | goto finally; |
| 2224 | } |
| 2225 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2226 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2227 | if (!pers_save && self->inst_pers_func) { |
| 2228 | if ((tmp = save_pers(self, args, self->inst_pers_func)) != 0) { |
| 2229 | res = tmp; |
| 2230 | goto finally; |
| 2231 | } |
| 2232 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2233 | |
Jeremy Hylton | 39c6116 | 2002-07-16 19:47:43 +0000 | [diff] [blame] | 2234 | if (PyType_IsSubtype(type, &PyType_Type)) { |
| 2235 | res = save_global(self, args, NULL); |
| 2236 | goto finally; |
| 2237 | } |
| 2238 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2239 | if ((__reduce__ = PyDict_GetItem(dispatch_table, (PyObject *)type))) { |
| 2240 | Py_INCREF(__reduce__); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2241 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2242 | Py_INCREF(args); |
| 2243 | ARG_TUP(self, args); |
| 2244 | if (self->arg) { |
| 2245 | t = PyObject_Call(__reduce__, self->arg, NULL); |
| 2246 | FREE_ARG_TUP(self); |
| 2247 | } |
| 2248 | if (! t) goto finally; |
| 2249 | } |
| 2250 | else { |
| 2251 | PyErr_Clear(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2252 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2253 | if ((__reduce__ = PyObject_GetAttr(args, __reduce___str))) { |
| 2254 | t = PyObject_Call(__reduce__, empty_tuple, NULL); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2255 | if (!t) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2256 | goto finally; |
| 2257 | } |
| 2258 | else { |
| 2259 | PyErr_Clear(); |
| 2260 | } |
| 2261 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2262 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2263 | if (t) { |
| 2264 | if (PyString_Check(t)) { |
| 2265 | res = save_global(self, args, t); |
| 2266 | goto finally; |
| 2267 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2268 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2269 | if (!PyTuple_Check(t)) { |
| 2270 | cPickle_ErrFormat(PicklingError, "Value returned by %s must " |
| 2271 | "be a tuple", "O", __reduce__); |
| 2272 | goto finally; |
| 2273 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2274 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2275 | size = PyTuple_Size(t); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2276 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2277 | if ((size != 3) && (size != 2)) { |
| 2278 | cPickle_ErrFormat(PicklingError, "tuple returned by %s must " |
| 2279 | "contain only two or three elements", "O", __reduce__); |
| 2280 | goto finally; |
| 2281 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2282 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2283 | callable = PyTuple_GET_ITEM(t, 0); |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 2284 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2285 | arg_tup = PyTuple_GET_ITEM(t, 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2286 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2287 | if (size > 2) { |
| 2288 | state = PyTuple_GET_ITEM(t, 2); |
Guido van Rossum | 8e0ad0c | 2003-01-31 21:10:31 +0000 | [diff] [blame] | 2289 | if (state == Py_None) |
| 2290 | state = NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2291 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2292 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2293 | if (!( PyTuple_Check(arg_tup) || arg_tup==Py_None )) { |
| 2294 | cPickle_ErrFormat(PicklingError, "Second element of tuple " |
| 2295 | "returned by %s must be a tuple", "O", __reduce__); |
| 2296 | goto finally; |
| 2297 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2298 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2299 | res = save_reduce(self, callable, arg_tup, state, args); |
| 2300 | goto finally; |
| 2301 | } |
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 | PyErr_SetObject(UnpickleableError, args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2304 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2305 | finally: |
Martin v. Löwis | 5a39530 | 2002-08-04 08:20:23 +0000 | [diff] [blame] | 2306 | self->nesting--; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2307 | Py_XDECREF(py_ob_id); |
| 2308 | Py_XDECREF(__reduce__); |
| 2309 | Py_XDECREF(t); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2310 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2311 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2312 | } |
| 2313 | |
| 2314 | |
| 2315 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2316 | dump(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2317 | { |
| 2318 | static char stop = STOP; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2319 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 2320 | if (self->proto >= 2) { |
| 2321 | char bytes[2]; |
| 2322 | |
| 2323 | bytes[0] = PROTO; |
Tim Peters | 87482ea | 2003-02-02 16:16:30 +0000 | [diff] [blame] | 2324 | assert(self->proto >= 0 && self->proto < 256); |
| 2325 | bytes[1] = (char)self->proto; |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 2326 | if (self->write_func(self, bytes, 2) < 0) |
| 2327 | return -1; |
| 2328 | } |
| 2329 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2330 | if (save(self, args, 0) < 0) |
| 2331 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2332 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 2333 | if (self->write_func(self, &stop, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2334 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2335 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 2336 | if (self->write_func(self, NULL, 0) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2337 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2338 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2339 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2340 | } |
| 2341 | |
| 2342 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2343 | Pickle_clear_memo(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2344 | { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2345 | if (self->memo) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2346 | PyDict_Clear(self->memo); |
| 2347 | Py_INCREF(Py_None); |
| 2348 | return Py_None; |
| 2349 | } |
| 2350 | |
| 2351 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2352 | Pickle_getvalue(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2353 | { |
| 2354 | int l, i, rsize, ssize, clear=1, lm; |
| 2355 | long ik; |
| 2356 | PyObject *k, *r; |
| 2357 | char *s, *p, *have_get; |
| 2358 | Pdata *data; |
| 2359 | |
| 2360 | /* Can be called by Python code or C code */ |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2361 | if (args && !PyArg_ParseTuple(args, "|i:getvalue", &clear)) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2362 | return NULL; |
| 2363 | |
| 2364 | /* Check to make sure we are based on a list */ |
| 2365 | if (! Pdata_Check(self->file)) { |
| 2366 | PyErr_SetString(PicklingError, |
| 2367 | "Attempt to getvalue() a non-list-based pickler"); |
| 2368 | return NULL; |
| 2369 | } |
| 2370 | |
| 2371 | /* flush write buffer */ |
| 2372 | if (write_other(self, NULL, 0) < 0) return NULL; |
| 2373 | |
| 2374 | data=(Pdata*)self->file; |
| 2375 | l=data->length; |
| 2376 | |
| 2377 | /* set up an array to hold get/put status */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2378 | lm = PyDict_Size(self->memo); |
| 2379 | if (lm < 0) return NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2380 | lm++; |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2381 | have_get = malloc(lm); |
| 2382 | if (have_get == NULL) return PyErr_NoMemory(); |
| 2383 | memset(have_get, 0, lm); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2384 | |
| 2385 | /* Scan for gets. */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2386 | for (rsize = 0, i = l; --i >= 0; ) { |
| 2387 | k = data->data[i]; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2388 | |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2389 | if (PyString_Check(k)) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2390 | rsize += PyString_GET_SIZE(k); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2391 | |
| 2392 | else if (PyInt_Check(k)) { /* put */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2393 | ik = PyInt_AS_LONG((PyIntObject*)k); |
| 2394 | if (ik >= lm || ik == 0) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2395 | PyErr_SetString(PicklingError, |
| 2396 | "Invalid get data"); |
| 2397 | return NULL; |
| 2398 | } |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2399 | if (have_get[ik]) /* with matching get */ |
| 2400 | rsize += ik < 256 ? 2 : 5; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2401 | } |
| 2402 | |
| 2403 | else if (! (PyTuple_Check(k) && |
| 2404 | PyTuple_GET_SIZE(k) == 2 && |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2405 | PyInt_Check((k = PyTuple_GET_ITEM(k, 0)))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2406 | ) { |
| 2407 | PyErr_SetString(PicklingError, |
| 2408 | "Unexpected data in internal list"); |
| 2409 | return NULL; |
| 2410 | } |
| 2411 | |
| 2412 | else { /* put */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2413 | ik = PyInt_AS_LONG((PyIntObject *)k); |
| 2414 | if (ik >= lm || ik == 0) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2415 | PyErr_SetString(PicklingError, |
| 2416 | "Invalid get data"); |
| 2417 | return NULL; |
| 2418 | } |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2419 | have_get[ik] = 1; |
| 2420 | rsize += ik < 256 ? 2 : 5; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2421 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2422 | } |
| 2423 | |
| 2424 | /* Now generate the result */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2425 | r = PyString_FromStringAndSize(NULL, rsize); |
| 2426 | if (r == NULL) goto err; |
| 2427 | s = PyString_AS_STRING((PyStringObject *)r); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2428 | |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2429 | for (i = 0; i < l; i++) { |
| 2430 | k = data->data[i]; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2431 | |
| 2432 | if (PyString_Check(k)) { |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2433 | ssize = PyString_GET_SIZE(k); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2434 | if (ssize) { |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2435 | p=PyString_AS_STRING((PyStringObject *)k); |
| 2436 | while (--ssize >= 0) |
| 2437 | *s++ = *p++; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2438 | } |
| 2439 | } |
| 2440 | |
| 2441 | else if (PyTuple_Check(k)) { /* get */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2442 | ik = PyInt_AS_LONG((PyIntObject *) |
| 2443 | PyTuple_GET_ITEM(k, 0)); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2444 | if (ik < 256) { |
| 2445 | *s++ = BINGET; |
| 2446 | *s++ = (int)(ik & 0xff); |
| 2447 | } |
| 2448 | else { |
| 2449 | *s++ = LONG_BINGET; |
| 2450 | *s++ = (int)(ik & 0xff); |
| 2451 | *s++ = (int)((ik >> 8) & 0xff); |
| 2452 | *s++ = (int)((ik >> 16) & 0xff); |
| 2453 | *s++ = (int)((ik >> 24) & 0xff); |
| 2454 | } |
| 2455 | } |
| 2456 | |
| 2457 | else { /* put */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2458 | ik = PyInt_AS_LONG((PyIntObject*)k); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2459 | |
| 2460 | if (have_get[ik]) { /* with matching get */ |
| 2461 | if (ik < 256) { |
| 2462 | *s++ = BINPUT; |
| 2463 | *s++ = (int)(ik & 0xff); |
| 2464 | } |
| 2465 | else { |
| 2466 | *s++ = LONG_BINPUT; |
| 2467 | *s++ = (int)(ik & 0xff); |
| 2468 | *s++ = (int)((ik >> 8) & 0xff); |
| 2469 | *s++ = (int)((ik >> 16) & 0xff); |
| 2470 | *s++ = (int)((ik >> 24) & 0xff); |
| 2471 | } |
| 2472 | } |
| 2473 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2474 | } |
| 2475 | |
| 2476 | if (clear) { |
| 2477 | PyDict_Clear(self->memo); |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2478 | Pdata_clear(data, 0); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2479 | } |
| 2480 | |
| 2481 | free(have_get); |
| 2482 | return r; |
| 2483 | err: |
| 2484 | free(have_get); |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2485 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2486 | } |
| 2487 | |
| 2488 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2489 | Pickler_dump(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2490 | { |
| 2491 | PyObject *ob; |
| 2492 | int get=0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2493 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2494 | if (!( PyArg_ParseTuple(args, "O|i:dump", &ob, &get))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2495 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2496 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2497 | if (dump(self, ob) < 0) |
| 2498 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2499 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2500 | if (get) return Pickle_getvalue(self, NULL); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2501 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2502 | /* XXX Why does dump() return self? */ |
| 2503 | Py_INCREF(self); |
| 2504 | return (PyObject*)self; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2505 | } |
| 2506 | |
| 2507 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2508 | static struct PyMethodDef Pickler_methods[] = |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2509 | { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 2510 | {"dump", (PyCFunction)Pickler_dump, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 2511 | PyDoc_STR("dump(object) -- " |
| 2512 | "Write an object in pickle format to the object's pickle stream")}, |
Fred Drake | 0ebacc8 | 2002-05-01 20:36:39 +0000 | [diff] [blame] | 2513 | {"clear_memo", (PyCFunction)Pickle_clear_memo, METH_NOARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 2514 | PyDoc_STR("clear_memo() -- Clear the picklers memo")}, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 2515 | {"getvalue", (PyCFunction)Pickle_getvalue, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 2516 | PyDoc_STR("getvalue() -- Finish picking a list-based pickle")}, |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2517 | {NULL, NULL} /* sentinel */ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2518 | }; |
| 2519 | |
| 2520 | |
| 2521 | static Picklerobject * |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2522 | newPicklerobject(PyObject *file, int proto) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2523 | { |
| 2524 | Picklerobject *self; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2525 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2526 | if (proto < 0) |
| 2527 | proto = CURRENT_PROTOCOL_NUMBER; |
| 2528 | if (proto > CURRENT_PROTOCOL_NUMBER) { |
| 2529 | PyErr_Format(PyExc_ValueError, "pickle protocol %d asked for; " |
| 2530 | "the highest available protocol is %d", |
| 2531 | proto, CURRENT_PROTOCOL_NUMBER); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2532 | return NULL; |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2533 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2534 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2535 | self = PyObject_New(Picklerobject, &Picklertype); |
| 2536 | if (self == NULL) |
| 2537 | return NULL; |
| 2538 | self->proto = proto; |
| 2539 | self->bin = proto > 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2540 | self->fp = NULL; |
| 2541 | self->write = NULL; |
| 2542 | self->memo = NULL; |
| 2543 | self->arg = NULL; |
| 2544 | self->pers_func = NULL; |
| 2545 | self->inst_pers_func = NULL; |
| 2546 | self->write_buf = NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2547 | self->fast = 0; |
Martin v. Löwis | 5a39530 | 2002-08-04 08:20:23 +0000 | [diff] [blame] | 2548 | self->nesting = 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2549 | self->fast_container = 0; |
| 2550 | self->fast_memo = NULL; |
| 2551 | self->buf_size = 0; |
| 2552 | self->dispatch_table = NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2553 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2554 | self->file = NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2555 | if (file) |
| 2556 | Py_INCREF(file); |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2557 | else { |
| 2558 | file = Pdata_New(); |
| 2559 | if (file == NULL) |
| 2560 | goto err; |
| 2561 | } |
| 2562 | self->file = file; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2563 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2564 | if (!( self->memo = PyDict_New())) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2565 | goto err; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2566 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2567 | if (PyFile_Check(file)) { |
| 2568 | self->fp = PyFile_AsFile(file); |
| 2569 | if (self->fp == NULL) { |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2570 | PyErr_SetString(PyExc_ValueError, |
| 2571 | "I/O operation on closed file"); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2572 | goto err; |
| 2573 | } |
| 2574 | self->write_func = write_file; |
Guido van Rossum | c91fcaa | 1999-03-29 20:00:14 +0000 | [diff] [blame] | 2575 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2576 | else if (PycStringIO_OutputCheck(file)) { |
| 2577 | self->write_func = write_cStringIO; |
| 2578 | } |
| 2579 | else if (file == Py_None) { |
| 2580 | self->write_func = write_none; |
| 2581 | } |
| 2582 | else { |
| 2583 | self->write_func = write_other; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2584 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2585 | if (! Pdata_Check(file)) { |
| 2586 | self->write = PyObject_GetAttr(file, write_str); |
| 2587 | if (!self->write) { |
| 2588 | PyErr_Clear(); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2589 | PyErr_SetString(PyExc_TypeError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2590 | "argument must have 'write' " |
| 2591 | "attribute"); |
| 2592 | goto err; |
| 2593 | } |
| 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->write_buf = (char *)PyMem_Malloc(WRITE_BUF_SIZE); |
| 2597 | if (self->write_buf == NULL) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2598 | PyErr_NoMemory(); |
| 2599 | goto err; |
| 2600 | } |
| 2601 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2602 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2603 | if (PyEval_GetRestricted()) { |
| 2604 | /* Restricted execution, get private tables */ |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 2605 | PyObject *m = PyImport_Import(copy_reg_str); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2606 | |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 2607 | if (m == NULL) |
| 2608 | goto err; |
| 2609 | self->dispatch_table = PyObject_GetAttr(m, dispatch_table_str); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2610 | Py_DECREF(m); |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 2611 | if (self->dispatch_table == NULL) |
| 2612 | goto err; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2613 | } |
| 2614 | else { |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 2615 | self->dispatch_table = dispatch_table; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2616 | Py_INCREF(dispatch_table); |
| 2617 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2618 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2619 | return self; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2620 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2621 | err: |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2622 | Py_DECREF(self); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2623 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2624 | } |
| 2625 | |
| 2626 | |
| 2627 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2628 | get_Pickler(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2629 | { |
| 2630 | PyObject *file = NULL; |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2631 | int proto = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2632 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2633 | /* XXX What is this doing? The documented signature is |
| 2634 | * XXX Pickler(file, proto=0), but this accepts Pickler() and |
| 2635 | * XXX Pickler(integer) too. The meaning then is clear as mud. |
| 2636 | * XXX Bug? Feature? |
| 2637 | */ |
| 2638 | if (!PyArg_ParseTuple(args, "|i:Pickler", &proto)) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2639 | PyErr_Clear(); |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2640 | proto = 0; |
| 2641 | if (!PyArg_ParseTuple(args, "O|i:Pickler", &file, &proto)) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2642 | return NULL; |
| 2643 | } |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2644 | return (PyObject *)newPicklerobject(file, proto); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2645 | } |
| 2646 | |
| 2647 | |
| 2648 | static void |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2649 | Pickler_dealloc(Picklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2650 | { |
| 2651 | Py_XDECREF(self->write); |
| 2652 | Py_XDECREF(self->memo); |
| 2653 | Py_XDECREF(self->fast_memo); |
| 2654 | Py_XDECREF(self->arg); |
| 2655 | Py_XDECREF(self->file); |
| 2656 | Py_XDECREF(self->pers_func); |
| 2657 | Py_XDECREF(self->inst_pers_func); |
| 2658 | Py_XDECREF(self->dispatch_table); |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2659 | PyMem_Free(self->write_buf); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2660 | PyObject_Del(self); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2661 | } |
| 2662 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2663 | static PyObject * |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2664 | Pickler_get_pers_func(Picklerobject *p) |
| 2665 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2666 | if (p->pers_func == NULL) |
| 2667 | PyErr_SetString(PyExc_AttributeError, "persistent_id"); |
| 2668 | else |
| 2669 | Py_INCREF(p->pers_func); |
| 2670 | return p->pers_func; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2671 | } |
| 2672 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2673 | static int |
| 2674 | Pickler_set_pers_func(Picklerobject *p, PyObject *v) |
| 2675 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2676 | if (v == NULL) { |
| 2677 | PyErr_SetString(PyExc_TypeError, |
| 2678 | "attribute deletion is not supported"); |
| 2679 | return -1; |
| 2680 | } |
| 2681 | Py_XDECREF(p->pers_func); |
| 2682 | Py_INCREF(v); |
| 2683 | p->pers_func = v; |
| 2684 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2685 | } |
| 2686 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2687 | static int |
| 2688 | Pickler_set_inst_pers_func(Picklerobject *p, PyObject *v) |
| 2689 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2690 | if (v == NULL) { |
| 2691 | PyErr_SetString(PyExc_TypeError, |
| 2692 | "attribute deletion is not supported"); |
| 2693 | return -1; |
| 2694 | } |
| 2695 | Py_XDECREF(p->inst_pers_func); |
| 2696 | Py_INCREF(v); |
| 2697 | p->inst_pers_func = v; |
| 2698 | return 0; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2699 | } |
| 2700 | |
| 2701 | static PyObject * |
| 2702 | Pickler_get_memo(Picklerobject *p) |
| 2703 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2704 | if (p->memo == NULL) |
| 2705 | PyErr_SetString(PyExc_AttributeError, "memo"); |
| 2706 | else |
| 2707 | Py_INCREF(p->memo); |
| 2708 | return p->memo; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2709 | } |
| 2710 | |
| 2711 | static int |
| 2712 | Pickler_set_memo(Picklerobject *p, PyObject *v) |
| 2713 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2714 | if (v == NULL) { |
| 2715 | PyErr_SetString(PyExc_TypeError, |
| 2716 | "attribute deletion is not supported"); |
| 2717 | return -1; |
| 2718 | } |
| 2719 | if (!PyDict_Check(v)) { |
| 2720 | PyErr_SetString(PyExc_TypeError, "memo must be a dictionary"); |
| 2721 | return -1; |
| 2722 | } |
| 2723 | Py_XDECREF(p->memo); |
| 2724 | Py_INCREF(v); |
| 2725 | p->memo = v; |
| 2726 | return 0; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2727 | } |
| 2728 | |
| 2729 | static PyObject * |
| 2730 | Pickler_get_error(Picklerobject *p) |
| 2731 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2732 | /* why is this an attribute on the Pickler? */ |
| 2733 | Py_INCREF(PicklingError); |
| 2734 | return PicklingError; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2735 | } |
| 2736 | |
| 2737 | static PyMemberDef Pickler_members[] = { |
| 2738 | {"binary", T_INT, offsetof(Picklerobject, bin)}, |
| 2739 | {"fast", T_INT, offsetof(Picklerobject, fast)}, |
Jeremy Hylton | 3eb46f3 | 2001-10-16 17:10:49 +0000 | [diff] [blame] | 2740 | {NULL} |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2741 | }; |
| 2742 | |
| 2743 | static PyGetSetDef Pickler_getsets[] = { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2744 | {"persistent_id", (getter)Pickler_get_pers_func, |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2745 | (setter)Pickler_set_pers_func}, |
| 2746 | {"inst_persistent_id", NULL, (setter)Pickler_set_inst_pers_func}, |
| 2747 | {"memo", (getter)Pickler_get_memo, (setter)Pickler_set_memo}, |
Jeremy Hylton | 3eb46f3 | 2001-10-16 17:10:49 +0000 | [diff] [blame] | 2748 | {"PicklingError", (getter)Pickler_get_error, NULL}, |
| 2749 | {NULL} |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2750 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2751 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 2752 | PyDoc_STRVAR(Picklertype__doc__, |
| 2753 | "Objects that know how to pickle objects\n"); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2754 | |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 2755 | static PyTypeObject Picklertype = { |
| 2756 | PyObject_HEAD_INIT(NULL) |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2757 | 0, /*ob_size*/ |
Guido van Rossum | 1464839 | 2001-12-08 18:02:58 +0000 | [diff] [blame] | 2758 | "cPickle.Pickler", /*tp_name*/ |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2759 | sizeof(Picklerobject), /*tp_basicsize*/ |
| 2760 | 0, |
| 2761 | (destructor)Pickler_dealloc, /* tp_dealloc */ |
| 2762 | 0, /* tp_print */ |
| 2763 | 0, /* tp_getattr */ |
| 2764 | 0, /* tp_setattr */ |
| 2765 | 0, /* tp_compare */ |
| 2766 | 0, /* tp_repr */ |
| 2767 | 0, /* tp_as_number */ |
| 2768 | 0, /* tp_as_sequence */ |
| 2769 | 0, /* tp_as_mapping */ |
| 2770 | 0, /* tp_hash */ |
| 2771 | 0, /* tp_call */ |
| 2772 | 0, /* tp_str */ |
Jason Tishler | fb8595d | 2003-01-06 12:41:26 +0000 | [diff] [blame] | 2773 | PyObject_GenericGetAttr, /* tp_getattro */ |
| 2774 | PyObject_GenericSetAttr, /* tp_setattro */ |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2775 | 0, /* tp_as_buffer */ |
| 2776 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */ |
| 2777 | Picklertype__doc__, /* tp_doc */ |
| 2778 | 0, /* tp_traverse */ |
| 2779 | 0, /* tp_clear */ |
| 2780 | 0, /* tp_richcompare */ |
| 2781 | 0, /* tp_weaklistoffset */ |
| 2782 | 0, /* tp_iter */ |
| 2783 | 0, /* tp_iternext */ |
| 2784 | Pickler_methods, /* tp_methods */ |
| 2785 | Pickler_members, /* tp_members */ |
| 2786 | Pickler_getsets, /* tp_getset */ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 2787 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2788 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2789 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2790 | 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] | 2791 | { |
| 2792 | PyObject *global = 0, *module; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2793 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2794 | if (fc) { |
| 2795 | if (fc==Py_None) { |
| 2796 | PyErr_SetString(UnpicklingError, |
| 2797 | "Global and instance pickles are not supported."); |
| 2798 | return NULL; |
| 2799 | } |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2800 | return PyObject_CallFunction(fc, "OO", py_module_name, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2801 | py_global_name); |
| 2802 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 2803 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2804 | module = PySys_GetObject("modules"); |
| 2805 | if (module == NULL) |
| 2806 | return NULL; |
Jeremy Hylton | d105523 | 1998-08-11 19:52:51 +0000 | [diff] [blame] | 2807 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2808 | module = PyDict_GetItem(module, py_module_name); |
| 2809 | if (module == NULL) { |
| 2810 | module = PyImport_Import(py_module_name); |
| 2811 | if (!module) |
| 2812 | return NULL; |
| 2813 | global = PyObject_GetAttr(module, py_global_name); |
| 2814 | Py_DECREF(module); |
| 2815 | } |
| 2816 | else |
| 2817 | global = PyObject_GetAttr(module, py_global_name); |
| 2818 | return global; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2819 | } |
| 2820 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2821 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2822 | marker(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2823 | { |
| 2824 | if (self->num_marks < 1) { |
| 2825 | PyErr_SetString(UnpicklingError, "could not find MARK"); |
| 2826 | return -1; |
| 2827 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2828 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2829 | return self->marks[--self->num_marks]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2830 | } |
| 2831 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2832 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2833 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2834 | load_none(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2835 | { |
| 2836 | PDATA_APPEND(self->stack, Py_None, -1); |
| 2837 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2838 | } |
| 2839 | |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 2840 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2841 | bad_readline(void) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2842 | { |
| 2843 | PyErr_SetString(UnpicklingError, "pickle data was truncated"); |
| 2844 | return -1; |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 2845 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2846 | |
| 2847 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2848 | load_int(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2849 | { |
| 2850 | PyObject *py_int = 0; |
| 2851 | char *endptr, *s; |
| 2852 | int len, res = -1; |
| 2853 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2854 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2855 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2856 | if (len < 2) return bad_readline(); |
| 2857 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2858 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2859 | errno = 0; |
| 2860 | l = strtol(s, &endptr, 0); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2861 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2862 | if (errno || (*endptr != '\n') || (endptr[1] != '\0')) { |
| 2863 | /* Hm, maybe we've got something long. Let's try reading |
| 2864 | it as a Python long object. */ |
| 2865 | errno = 0; |
| 2866 | py_int = PyLong_FromString(s, NULL, 0); |
| 2867 | if (py_int == NULL) { |
| 2868 | PyErr_SetString(PyExc_ValueError, |
| 2869 | "could not convert string to int"); |
| 2870 | goto finally; |
| 2871 | } |
| 2872 | } |
| 2873 | else { |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 2874 | if (len == 3 && (l == 0 || l == 1)) { |
| 2875 | if (!( py_int = PyBool_FromLong(l))) goto finally; |
| 2876 | } |
| 2877 | else { |
| 2878 | if (!( py_int = PyInt_FromLong(l))) goto finally; |
| 2879 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2880 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2881 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2882 | free(s); |
| 2883 | PDATA_PUSH(self->stack, py_int, -1); |
| 2884 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2885 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2886 | finally: |
| 2887 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2888 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2889 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2890 | } |
| 2891 | |
Tim Peters | 3c67d79 | 2003-02-02 17:59:11 +0000 | [diff] [blame] | 2892 | static int |
| 2893 | load_bool(Unpicklerobject *self, PyObject *boolean) |
| 2894 | { |
| 2895 | assert(boolean == Py_True || boolean == Py_False); |
Tim Peters | e0a3907 | 2003-02-03 15:45:56 +0000 | [diff] [blame] | 2896 | PDATA_APPEND(self->stack, boolean, -1); |
Tim Peters | 3c67d79 | 2003-02-02 17:59:11 +0000 | [diff] [blame] | 2897 | return 0; |
| 2898 | } |
| 2899 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 2900 | /* s contains x bytes of a little-endian integer. Return its value as a |
| 2901 | * C int. Obscure: when x is 1 or 2, this is an unsigned little-endian |
| 2902 | * int, but when x is 4 it's a signed one. This is an historical source |
| 2903 | * of x-platform bugs. |
| 2904 | */ |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2905 | static long |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 2906 | calc_binint(char *s, int x) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2907 | { |
| 2908 | unsigned char c; |
| 2909 | int i; |
| 2910 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2911 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2912 | for (i = 0, l = 0L; i < x; i++) { |
| 2913 | c = (unsigned char)s[i]; |
| 2914 | l |= (long)c << (i * 8); |
| 2915 | } |
Tim Peters | bfa18f7 | 2001-04-10 01:54:42 +0000 | [diff] [blame] | 2916 | #if SIZEOF_LONG > 4 |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2917 | /* Unlike BININT1 and BININT2, BININT (more accurately BININT4) |
| 2918 | * is signed, so on a box with longs bigger than 4 bytes we need |
| 2919 | * to extend a BININT's sign bit to the full width. |
| 2920 | */ |
| 2921 | if (x == 4 && l & (1L << 31)) |
| 2922 | l |= (~0L) << 32; |
Tim Peters | bfa18f7 | 2001-04-10 01:54:42 +0000 | [diff] [blame] | 2923 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2924 | return l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2925 | } |
| 2926 | |
| 2927 | |
| 2928 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2929 | load_binintx(Unpicklerobject *self, char *s, int x) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2930 | { |
| 2931 | PyObject *py_int = 0; |
| 2932 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2933 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2934 | l = calc_binint(s, x); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2935 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2936 | if (!( py_int = PyInt_FromLong(l))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2937 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2938 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2939 | PDATA_PUSH(self->stack, py_int, -1); |
| 2940 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2941 | } |
| 2942 | |
| 2943 | |
| 2944 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2945 | load_binint(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2946 | { |
| 2947 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2948 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2949 | if (self->read_func(self, &s, 4) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2950 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2951 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2952 | return load_binintx(self, s, 4); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2953 | } |
| 2954 | |
| 2955 | |
| 2956 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2957 | load_binint1(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2958 | { |
| 2959 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2960 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2961 | if (self->read_func(self, &s, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2962 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2963 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2964 | return load_binintx(self, s, 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2965 | } |
| 2966 | |
| 2967 | |
| 2968 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2969 | load_binint2(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2970 | { |
| 2971 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2972 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2973 | if (self->read_func(self, &s, 2) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2974 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2975 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2976 | return load_binintx(self, s, 2); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2977 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2978 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2979 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2980 | load_long(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2981 | { |
| 2982 | PyObject *l = 0; |
| 2983 | char *end, *s; |
| 2984 | int len, res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2985 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2986 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2987 | if (len < 2) return bad_readline(); |
| 2988 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2989 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2990 | if (!( l = PyLong_FromString(s, &end, 0))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2991 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2992 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2993 | free(s); |
| 2994 | PDATA_PUSH(self->stack, l, -1); |
| 2995 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2996 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2997 | finally: |
| 2998 | free(s); |
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 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3001 | } |
| 3002 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 3003 | /* 'size' bytes contain the # of bytes of little-endian 256's-complement |
| 3004 | * data following. |
| 3005 | */ |
| 3006 | static int |
| 3007 | load_counted_long(Unpicklerobject *self, int size) |
| 3008 | { |
| 3009 | int i; |
| 3010 | char *nbytes; |
| 3011 | unsigned char *pdata; |
| 3012 | PyObject *along; |
| 3013 | |
| 3014 | assert(size == 1 || size == 4); |
| 3015 | i = self->read_func(self, &nbytes, size); |
| 3016 | if (i < 0) return -1; |
| 3017 | |
| 3018 | size = calc_binint(nbytes, size); |
| 3019 | if (size < 0) { |
| 3020 | /* Corrupt or hostile pickle -- we never write one like |
| 3021 | * this. |
| 3022 | */ |
Tim Peters | 0c7c48e | 2003-02-03 22:07:24 +0000 | [diff] [blame] | 3023 | PyErr_SetString(UnpicklingError, "LONG pickle has negative " |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 3024 | "byte count"); |
| 3025 | return -1; |
| 3026 | } |
| 3027 | |
| 3028 | if (size == 0) |
| 3029 | along = PyLong_FromLong(0L); |
| 3030 | else { |
| 3031 | /* Read the raw little-endian bytes & convert. */ |
Neal Norwitz | 529baf2 | 2003-02-02 17:08:33 +0000 | [diff] [blame] | 3032 | i = self->read_func(self, (char **)&pdata, size); |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 3033 | if (i < 0) return -1; |
| 3034 | along = _PyLong_FromByteArray(pdata, (size_t)size, |
| 3035 | 1 /* little endian */, 1 /* signed */); |
| 3036 | } |
| 3037 | if (along == NULL) |
| 3038 | return -1; |
| 3039 | PDATA_PUSH(self->stack, along, -1); |
| 3040 | return 0; |
| 3041 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3042 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3043 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3044 | load_float(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3045 | { |
| 3046 | PyObject *py_float = 0; |
| 3047 | char *endptr, *s; |
| 3048 | int len, res = -1; |
| 3049 | double d; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3050 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3051 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3052 | if (len < 2) return bad_readline(); |
| 3053 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3054 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3055 | errno = 0; |
| 3056 | d = strtod(s, &endptr); |
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 | if (errno || (endptr[0] != '\n') || (endptr[1] != '\0')) { |
| 3059 | PyErr_SetString(PyExc_ValueError, |
| 3060 | "could not convert string to float"); |
| 3061 | goto finally; |
| 3062 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3063 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3064 | if (!( py_float = PyFloat_FromDouble(d))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3065 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3066 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3067 | free(s); |
| 3068 | PDATA_PUSH(self->stack, py_float, -1); |
| 3069 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3070 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3071 | finally: |
| 3072 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3073 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3074 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3075 | } |
| 3076 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3077 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3078 | load_binfloat(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3079 | { |
| 3080 | PyObject *py_float = 0; |
| 3081 | int s, e; |
| 3082 | long fhi, flo; |
| 3083 | double x; |
| 3084 | char *p; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3085 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3086 | if (self->read_func(self, &p, 8) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3087 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3088 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3089 | /* First byte */ |
| 3090 | s = (*p>>7) & 1; |
| 3091 | e = (*p & 0x7F) << 4; |
| 3092 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3093 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3094 | /* Second byte */ |
| 3095 | e |= (*p>>4) & 0xF; |
| 3096 | fhi = (*p & 0xF) << 24; |
| 3097 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3098 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3099 | /* Third byte */ |
| 3100 | fhi |= (*p & 0xFF) << 16; |
| 3101 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3102 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3103 | /* Fourth byte */ |
| 3104 | fhi |= (*p & 0xFF) << 8; |
| 3105 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3106 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3107 | /* Fifth byte */ |
| 3108 | fhi |= *p & 0xFF; |
| 3109 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3110 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3111 | /* Sixth byte */ |
| 3112 | flo = (*p & 0xFF) << 16; |
| 3113 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3114 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3115 | /* Seventh byte */ |
| 3116 | flo |= (*p & 0xFF) << 8; |
| 3117 | p++; |
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 | /* Eighth byte */ |
| 3120 | flo |= *p & 0xFF; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3121 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3122 | x = (double)fhi + (double)flo / 16777216.0; /* 2**24 */ |
| 3123 | x /= 268435456.0; /* 2**28 */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3124 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3125 | /* XXX This sadly ignores Inf/NaN */ |
| 3126 | if (e == 0) |
| 3127 | e = -1022; |
| 3128 | else { |
| 3129 | x += 1.0; |
| 3130 | e -= 1023; |
| 3131 | } |
| 3132 | x = ldexp(x, e); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3133 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3134 | if (s) |
| 3135 | x = -x; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3136 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3137 | if (!( py_float = PyFloat_FromDouble(x))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3138 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3139 | PDATA_PUSH(self->stack, py_float, -1); |
| 3140 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3141 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3142 | |
| 3143 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3144 | load_string(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3145 | { |
| 3146 | PyObject *str = 0; |
Martin v. Löwis | 8a8da79 | 2002-08-14 07:46:28 +0000 | [diff] [blame] | 3147 | int len, res = -1; |
| 3148 | char *s, *p; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3149 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3150 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3151 | if (len < 2) return bad_readline(); |
| 3152 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3153 | |
Martin v. Löwis | 8a8da79 | 2002-08-14 07:46:28 +0000 | [diff] [blame] | 3154 | |
| 3155 | /* Strip outermost quotes */ |
| 3156 | while (s[len-1] <= ' ') |
| 3157 | len--; |
| 3158 | if(s[0]=='"' && s[len-1]=='"'){ |
| 3159 | s[len-1] = '\0'; |
| 3160 | p = s + 1 ; |
| 3161 | len -= 2; |
| 3162 | } else if(s[0]=='\'' && s[len-1]=='\''){ |
| 3163 | s[len-1] = '\0'; |
| 3164 | p = s + 1 ; |
| 3165 | len -= 2; |
| 3166 | } else |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3167 | goto insecure; |
| 3168 | /********************************************/ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 3169 | |
Martin v. Löwis | 8a8da79 | 2002-08-14 07:46:28 +0000 | [diff] [blame] | 3170 | str = PyString_DecodeEscape(p, len, NULL, 0, NULL); |
| 3171 | if (str) { |
| 3172 | PDATA_PUSH(self->stack, str, -1); |
| 3173 | res = 0; |
| 3174 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3175 | free(s); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3176 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3177 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3178 | insecure: |
| 3179 | free(s); |
| 3180 | PyErr_SetString(PyExc_ValueError,"insecure string pickle"); |
| 3181 | return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3182 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3183 | |
| 3184 | |
| 3185 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3186 | load_binstring(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3187 | { |
| 3188 | PyObject *py_string = 0; |
| 3189 | long l; |
| 3190 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3191 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3192 | if (self->read_func(self, &s, 4) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3193 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3194 | l = calc_binint(s, 4); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3195 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3196 | if (self->read_func(self, &s, l) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3197 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3198 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3199 | if (!( py_string = PyString_FromStringAndSize(s, l))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3200 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3201 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3202 | PDATA_PUSH(self->stack, py_string, -1); |
| 3203 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3204 | } |
| 3205 | |
| 3206 | |
| 3207 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3208 | load_short_binstring(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3209 | { |
| 3210 | PyObject *py_string = 0; |
| 3211 | unsigned char l; |
| 3212 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3213 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3214 | if (self->read_func(self, &s, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3215 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3216 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3217 | l = (unsigned char)s[0]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3218 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3219 | if (self->read_func(self, &s, l) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3220 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3221 | if (!( py_string = PyString_FromStringAndSize(s, l))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3222 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3223 | PDATA_PUSH(self->stack, py_string, -1); |
| 3224 | return 0; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3225 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3226 | |
| 3227 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3228 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3229 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3230 | load_unicode(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3231 | { |
| 3232 | PyObject *str = 0; |
| 3233 | int len, res = -1; |
| 3234 | char *s; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3235 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3236 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3237 | if (len < 1) return bad_readline(); |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3238 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3239 | if (!( str = PyUnicode_DecodeRawUnicodeEscape(s, len - 1, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3240 | goto finally; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3241 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3242 | PDATA_PUSH(self->stack, str, -1); |
| 3243 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3244 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3245 | finally: |
| 3246 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3247 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3248 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3249 | |
| 3250 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3251 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3252 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3253 | load_binunicode(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3254 | { |
| 3255 | PyObject *unicode; |
| 3256 | long l; |
| 3257 | char *s; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3258 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3259 | if (self->read_func(self, &s, 4) < 0) return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3260 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3261 | l = calc_binint(s, 4); |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3262 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3263 | if (self->read_func(self, &s, l) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3264 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3265 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3266 | if (!( unicode = PyUnicode_DecodeUTF8(s, l, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3267 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3268 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3269 | PDATA_PUSH(self->stack, unicode, -1); |
| 3270 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3271 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3272 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3273 | |
| 3274 | |
| 3275 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3276 | load_tuple(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3277 | { |
| 3278 | PyObject *tup; |
| 3279 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3280 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3281 | if ((i = marker(self)) < 0) return -1; |
| 3282 | if (!( tup=Pdata_popTuple(self->stack, i))) return -1; |
| 3283 | PDATA_PUSH(self->stack, tup, -1); |
| 3284 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3285 | } |
| 3286 | |
| 3287 | static int |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 3288 | load_counted_tuple(Unpicklerobject *self, int len) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3289 | { |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 3290 | PyObject *tup = PyTuple_New(len); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3291 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 3292 | if (tup == NULL) |
| 3293 | return -1; |
| 3294 | |
| 3295 | while (--len >= 0) { |
| 3296 | PyObject *element; |
| 3297 | |
| 3298 | PDATA_POP(self->stack, element); |
| 3299 | if (element == NULL) |
| 3300 | return -1; |
| 3301 | PyTuple_SET_ITEM(tup, len, element); |
| 3302 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3303 | PDATA_PUSH(self->stack, tup, -1); |
| 3304 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3305 | } |
| 3306 | |
| 3307 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3308 | load_empty_list(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3309 | { |
| 3310 | PyObject *list; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3311 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3312 | if (!( list=PyList_New(0))) return -1; |
| 3313 | PDATA_PUSH(self->stack, list, -1); |
| 3314 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3315 | } |
| 3316 | |
| 3317 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3318 | load_empty_dict(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3319 | { |
| 3320 | PyObject *dict; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3321 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3322 | if (!( dict=PyDict_New())) return -1; |
| 3323 | PDATA_PUSH(self->stack, dict, -1); |
| 3324 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3325 | } |
| 3326 | |
| 3327 | |
| 3328 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3329 | load_list(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3330 | { |
| 3331 | PyObject *list = 0; |
| 3332 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3333 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3334 | if ((i = marker(self)) < 0) return -1; |
| 3335 | if (!( list=Pdata_popList(self->stack, i))) return -1; |
| 3336 | PDATA_PUSH(self->stack, list, -1); |
| 3337 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3338 | } |
| 3339 | |
| 3340 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3341 | load_dict(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3342 | { |
| 3343 | PyObject *dict, *key, *value; |
| 3344 | int i, j, k; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3345 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3346 | if ((i = marker(self)) < 0) return -1; |
| 3347 | j=self->stack->length; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3348 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3349 | if (!( dict = PyDict_New())) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3350 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3351 | for (k = i+1; k < j; k += 2) { |
| 3352 | key =self->stack->data[k-1]; |
| 3353 | value=self->stack->data[k ]; |
| 3354 | if (PyDict_SetItem(dict, key, value) < 0) { |
| 3355 | Py_DECREF(dict); |
| 3356 | return -1; |
| 3357 | } |
| 3358 | } |
| 3359 | Pdata_clear(self->stack, i); |
| 3360 | PDATA_PUSH(self->stack, dict, -1); |
| 3361 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3362 | } |
| 3363 | |
| 3364 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3365 | Instance_New(PyObject *cls, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3366 | { |
Tim Peters | 1f1b2d2 | 2003-02-01 02:16:37 +0000 | [diff] [blame] | 3367 | PyObject *r = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3368 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3369 | if (PyClass_Check(cls)) { |
| 3370 | int l; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3371 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3372 | if ((l=PyObject_Size(args)) < 0) goto err; |
| 3373 | if (!( l )) { |
| 3374 | PyObject *__getinitargs__; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3375 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3376 | __getinitargs__ = PyObject_GetAttr(cls, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3377 | __getinitargs___str); |
| 3378 | if (!__getinitargs__) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3379 | /* We have a class with no __getinitargs__, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3380 | so bypass usual construction */ |
| 3381 | PyObject *inst; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3382 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3383 | PyErr_Clear(); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3384 | if (!( inst=PyInstance_NewRaw(cls, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3385 | goto err; |
| 3386 | return inst; |
| 3387 | } |
| 3388 | Py_DECREF(__getinitargs__); |
| 3389 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3390 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3391 | if ((r=PyInstance_New(cls, args, NULL))) return r; |
| 3392 | else goto err; |
| 3393 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3394 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3395 | if (args==Py_None) { |
| 3396 | /* Special case, call cls.__basicnew__() */ |
| 3397 | PyObject *basicnew; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3398 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3399 | basicnew = PyObject_GetAttr(cls, __basicnew___str); |
| 3400 | if (!basicnew) return NULL; |
| 3401 | r=PyObject_CallObject(basicnew, NULL); |
| 3402 | Py_DECREF(basicnew); |
| 3403 | if (r) return r; |
| 3404 | } |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 3405 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3406 | if ((r=PyObject_CallObject(cls, args))) return r; |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 3407 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3408 | err: |
| 3409 | { |
| 3410 | PyObject *tp, *v, *tb; |
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 | PyErr_Fetch(&tp, &v, &tb); |
| 3413 | if ((r=Py_BuildValue("OOO",v,cls,args))) { |
| 3414 | Py_XDECREF(v); |
| 3415 | v=r; |
| 3416 | } |
| 3417 | PyErr_Restore(tp,v,tb); |
| 3418 | } |
| 3419 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3420 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3421 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3422 | |
| 3423 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3424 | load_obj(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3425 | { |
| 3426 | PyObject *class, *tup, *obj=0; |
| 3427 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3428 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3429 | if ((i = marker(self)) < 0) return -1; |
| 3430 | if (!( tup=Pdata_popTuple(self->stack, i+1))) return -1; |
| 3431 | PDATA_POP(self->stack, class); |
| 3432 | if (class) { |
| 3433 | obj = Instance_New(class, tup); |
| 3434 | Py_DECREF(class); |
| 3435 | } |
| 3436 | Py_DECREF(tup); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3437 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3438 | if (! obj) return -1; |
| 3439 | PDATA_PUSH(self->stack, obj, -1); |
| 3440 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3441 | } |
| 3442 | |
| 3443 | |
| 3444 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3445 | load_inst(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3446 | { |
| 3447 | PyObject *tup, *class=0, *obj=0, *module_name, *class_name; |
| 3448 | int i, len; |
| 3449 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3450 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3451 | if ((i = marker(self)) < 0) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3452 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3453 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3454 | if (len < 2) return bad_readline(); |
| 3455 | module_name = PyString_FromStringAndSize(s, len - 1); |
| 3456 | if (!module_name) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3457 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3458 | if ((len = self->readline_func(self, &s)) >= 0) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3459 | if (len < 2) return bad_readline(); |
| 3460 | if ((class_name = PyString_FromStringAndSize(s, len - 1))) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3461 | class = find_class(module_name, class_name, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3462 | self->find_class); |
| 3463 | Py_DECREF(class_name); |
| 3464 | } |
| 3465 | } |
| 3466 | Py_DECREF(module_name); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3467 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3468 | if (! class) return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3469 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3470 | if ((tup=Pdata_popTuple(self->stack, i))) { |
| 3471 | obj = Instance_New(class, tup); |
| 3472 | Py_DECREF(tup); |
| 3473 | } |
| 3474 | Py_DECREF(class); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3475 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3476 | if (! obj) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3477 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3478 | PDATA_PUSH(self->stack, obj, -1); |
| 3479 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3480 | } |
| 3481 | |
| 3482 | |
| 3483 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3484 | load_global(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3485 | { |
| 3486 | PyObject *class = 0, *module_name = 0, *class_name = 0; |
| 3487 | int len; |
| 3488 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3489 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3490 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3491 | if (len < 2) return bad_readline(); |
| 3492 | module_name = PyString_FromStringAndSize(s, len - 1); |
| 3493 | if (!module_name) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3494 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3495 | if ((len = self->readline_func(self, &s)) >= 0) { |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 3496 | if (len < 2) { |
| 3497 | Py_DECREF(module_name); |
| 3498 | return bad_readline(); |
| 3499 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3500 | if ((class_name = PyString_FromStringAndSize(s, len - 1))) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3501 | class = find_class(module_name, class_name, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3502 | self->find_class); |
| 3503 | Py_DECREF(class_name); |
| 3504 | } |
| 3505 | } |
| 3506 | Py_DECREF(module_name); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3507 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3508 | if (! class) return -1; |
| 3509 | PDATA_PUSH(self->stack, class, -1); |
| 3510 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3511 | } |
| 3512 | |
| 3513 | |
| 3514 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3515 | load_persid(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3516 | { |
| 3517 | PyObject *pid = 0; |
| 3518 | int len; |
| 3519 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3520 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3521 | if (self->pers_func) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3522 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3523 | if (len < 2) return bad_readline(); |
| 3524 | |
| 3525 | pid = PyString_FromStringAndSize(s, len - 1); |
| 3526 | if (!pid) return -1; |
| 3527 | |
| 3528 | if (PyList_Check(self->pers_func)) { |
| 3529 | if (PyList_Append(self->pers_func, pid) < 0) { |
| 3530 | Py_DECREF(pid); |
| 3531 | return -1; |
| 3532 | } |
| 3533 | } |
| 3534 | else { |
| 3535 | ARG_TUP(self, pid); |
| 3536 | if (self->arg) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3537 | pid = PyObject_Call(self->pers_func, self->arg, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3538 | NULL); |
| 3539 | FREE_ARG_TUP(self); |
| 3540 | } |
| 3541 | } |
| 3542 | |
| 3543 | if (! pid) return -1; |
| 3544 | |
| 3545 | PDATA_PUSH(self->stack, pid, -1); |
| 3546 | return 0; |
| 3547 | } |
| 3548 | else { |
| 3549 | PyErr_SetString(UnpicklingError, |
| 3550 | "A load persistent id instruction was encountered,\n" |
| 3551 | "but no persistent_load function was specified."); |
| 3552 | return -1; |
| 3553 | } |
| 3554 | } |
| 3555 | |
| 3556 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3557 | load_binpersid(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3558 | { |
| 3559 | PyObject *pid = 0; |
| 3560 | |
| 3561 | if (self->pers_func) { |
| 3562 | PDATA_POP(self->stack, pid); |
| 3563 | if (! pid) return -1; |
| 3564 | |
| 3565 | if (PyList_Check(self->pers_func)) { |
| 3566 | if (PyList_Append(self->pers_func, pid) < 0) { |
| 3567 | Py_DECREF(pid); |
| 3568 | return -1; |
| 3569 | } |
| 3570 | } |
| 3571 | else { |
| 3572 | ARG_TUP(self, pid); |
| 3573 | if (self->arg) { |
| 3574 | pid = PyObject_Call(self->pers_func, self->arg, |
| 3575 | NULL); |
| 3576 | FREE_ARG_TUP(self); |
| 3577 | } |
| 3578 | if (! pid) return -1; |
| 3579 | } |
| 3580 | |
| 3581 | PDATA_PUSH(self->stack, pid, -1); |
| 3582 | return 0; |
| 3583 | } |
| 3584 | else { |
| 3585 | PyErr_SetString(UnpicklingError, |
| 3586 | "A load persistent id instruction was encountered,\n" |
| 3587 | "but no persistent_load function was specified."); |
| 3588 | return -1; |
| 3589 | } |
| 3590 | } |
| 3591 | |
| 3592 | |
| 3593 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3594 | load_pop(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3595 | { |
| 3596 | int len; |
| 3597 | |
| 3598 | if (!( (len=self->stack->length) > 0 )) return stackUnderflow(); |
| 3599 | |
| 3600 | /* Note that we split the (pickle.py) stack into two stacks, |
| 3601 | an object stack and a mark stack. We have to be clever and |
| 3602 | pop the right one. We do this by looking at the top of the |
| 3603 | mark stack. |
| 3604 | */ |
| 3605 | |
| 3606 | if ((self->num_marks > 0) && |
| 3607 | (self->marks[self->num_marks - 1] == len)) |
| 3608 | self->num_marks--; |
| 3609 | else { |
| 3610 | len--; |
| 3611 | Py_DECREF(self->stack->data[len]); |
| 3612 | self->stack->length=len; |
| 3613 | } |
| 3614 | |
| 3615 | return 0; |
| 3616 | } |
| 3617 | |
| 3618 | |
| 3619 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3620 | load_pop_mark(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3621 | { |
| 3622 | int i; |
| 3623 | |
| 3624 | if ((i = marker(self)) < 0) |
| 3625 | return -1; |
| 3626 | |
| 3627 | Pdata_clear(self->stack, i); |
| 3628 | |
| 3629 | return 0; |
| 3630 | } |
| 3631 | |
| 3632 | |
| 3633 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3634 | load_dup(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3635 | { |
| 3636 | PyObject *last; |
| 3637 | int len; |
| 3638 | |
| 3639 | if ((len = self->stack->length) <= 0) return stackUnderflow(); |
| 3640 | last=self->stack->data[len-1]; |
| 3641 | Py_INCREF(last); |
| 3642 | PDATA_PUSH(self->stack, last, -1); |
| 3643 | return 0; |
| 3644 | } |
| 3645 | |
| 3646 | |
| 3647 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3648 | load_get(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3649 | { |
| 3650 | PyObject *py_str = 0, *value = 0; |
| 3651 | int len; |
| 3652 | char *s; |
| 3653 | int rc; |
| 3654 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3655 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 3656 | if (len < 2) return bad_readline(); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3657 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3658 | if (!( py_str = PyString_FromStringAndSize(s, len - 1))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3659 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3660 | value = PyDict_GetItem(self->memo, py_str); |
| 3661 | if (! value) { |
| 3662 | PyErr_SetObject(BadPickleGet, py_str); |
| 3663 | rc = -1; |
| 3664 | } else { |
| 3665 | PDATA_APPEND(self->stack, value, -1); |
| 3666 | rc = 0; |
| 3667 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3668 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3669 | Py_DECREF(py_str); |
| 3670 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3671 | } |
| 3672 | |
| 3673 | |
| 3674 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3675 | load_binget(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3676 | { |
| 3677 | PyObject *py_key = 0, *value = 0; |
| 3678 | unsigned char key; |
| 3679 | char *s; |
| 3680 | int rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3681 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3682 | if (self->read_func(self, &s, 1) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3683 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3684 | key = (unsigned char)s[0]; |
| 3685 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
Guido van Rossum | ea2b715 | 2000-05-09 18:14:50 +0000 | [diff] [blame] | 3686 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3687 | value = PyDict_GetItem(self->memo, py_key); |
| 3688 | if (! value) { |
| 3689 | PyErr_SetObject(BadPickleGet, py_key); |
| 3690 | rc = -1; |
| 3691 | } else { |
| 3692 | PDATA_APPEND(self->stack, value, -1); |
| 3693 | rc = 0; |
| 3694 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3695 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3696 | Py_DECREF(py_key); |
| 3697 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3698 | } |
| 3699 | |
| 3700 | |
| 3701 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3702 | load_long_binget(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3703 | { |
| 3704 | PyObject *py_key = 0, *value = 0; |
| 3705 | unsigned char c; |
| 3706 | char *s; |
| 3707 | long key; |
| 3708 | int rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3709 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3710 | if (self->read_func(self, &s, 4) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3711 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3712 | c = (unsigned char)s[0]; |
| 3713 | key = (long)c; |
| 3714 | c = (unsigned char)s[1]; |
| 3715 | key |= (long)c << 8; |
| 3716 | c = (unsigned char)s[2]; |
| 3717 | key |= (long)c << 16; |
| 3718 | c = (unsigned char)s[3]; |
| 3719 | key |= (long)c << 24; |
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 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
| 3722 | |
| 3723 | value = PyDict_GetItem(self->memo, py_key); |
| 3724 | if (! value) { |
| 3725 | PyErr_SetObject(BadPickleGet, py_key); |
| 3726 | rc = -1; |
| 3727 | } else { |
| 3728 | PDATA_APPEND(self->stack, value, -1); |
| 3729 | rc = 0; |
| 3730 | } |
| 3731 | |
| 3732 | Py_DECREF(py_key); |
| 3733 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3734 | } |
| 3735 | |
| 3736 | |
| 3737 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3738 | load_put(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3739 | { |
| 3740 | PyObject *py_str = 0, *value = 0; |
| 3741 | int len, l; |
| 3742 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3743 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3744 | if ((l = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3745 | if (l < 2) return bad_readline(); |
| 3746 | if (!( len=self->stack->length )) return stackUnderflow(); |
| 3747 | if (!( py_str = PyString_FromStringAndSize(s, l - 1))) return -1; |
| 3748 | value=self->stack->data[len-1]; |
| 3749 | l=PyDict_SetItem(self->memo, py_str, value); |
| 3750 | Py_DECREF(py_str); |
| 3751 | return l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3752 | } |
| 3753 | |
| 3754 | |
| 3755 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3756 | load_binput(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3757 | { |
| 3758 | PyObject *py_key = 0, *value = 0; |
| 3759 | unsigned char key; |
| 3760 | char *s; |
| 3761 | int len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3762 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3763 | if (self->read_func(self, &s, 1) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3764 | if (!( (len=self->stack->length) > 0 )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3765 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3766 | key = (unsigned char)s[0]; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 3767 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3768 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
| 3769 | value=self->stack->data[len-1]; |
| 3770 | len=PyDict_SetItem(self->memo, py_key, value); |
| 3771 | Py_DECREF(py_key); |
| 3772 | return len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3773 | } |
| 3774 | |
| 3775 | |
| 3776 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3777 | load_long_binput(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3778 | { |
| 3779 | PyObject *py_key = 0, *value = 0; |
| 3780 | long key; |
| 3781 | unsigned char c; |
| 3782 | char *s; |
| 3783 | int len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3784 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3785 | if (self->read_func(self, &s, 4) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3786 | if (!( len=self->stack->length )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3787 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3788 | c = (unsigned char)s[0]; |
| 3789 | key = (long)c; |
| 3790 | c = (unsigned char)s[1]; |
| 3791 | key |= (long)c << 8; |
| 3792 | c = (unsigned char)s[2]; |
| 3793 | key |= (long)c << 16; |
| 3794 | c = (unsigned char)s[3]; |
| 3795 | key |= (long)c << 24; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3796 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3797 | if (!( py_key = PyInt_FromLong(key))) return -1; |
| 3798 | value=self->stack->data[len-1]; |
| 3799 | len=PyDict_SetItem(self->memo, py_key, value); |
| 3800 | Py_DECREF(py_key); |
| 3801 | return len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3802 | } |
| 3803 | |
| 3804 | |
| 3805 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3806 | do_append(Unpicklerobject *self, int x) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3807 | { |
| 3808 | PyObject *value = 0, *list = 0, *append_method = 0; |
| 3809 | int len, i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3810 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3811 | len=self->stack->length; |
| 3812 | if (!( len >= x && x > 0 )) return stackUnderflow(); |
| 3813 | /* nothing to do */ |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3814 | if (len==x) return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3815 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3816 | list=self->stack->data[x-1]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3817 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3818 | if (PyList_Check(list)) { |
| 3819 | PyObject *slice; |
| 3820 | int list_len; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3821 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3822 | slice=Pdata_popList(self->stack, x); |
| 3823 | list_len = PyList_GET_SIZE(list); |
| 3824 | i=PyList_SetSlice(list, list_len, list_len, slice); |
| 3825 | Py_DECREF(slice); |
| 3826 | return i; |
| 3827 | } |
| 3828 | else { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3829 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3830 | if (!( append_method = PyObject_GetAttr(list, append_str))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3831 | return -1; |
| 3832 | |
| 3833 | for (i = x; i < len; i++) { |
| 3834 | PyObject *junk; |
| 3835 | |
| 3836 | value=self->stack->data[i]; |
| 3837 | junk=0; |
| 3838 | ARG_TUP(self, value); |
| 3839 | if (self->arg) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3840 | junk = PyObject_Call(append_method, self->arg, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3841 | NULL); |
| 3842 | FREE_ARG_TUP(self); |
| 3843 | } |
| 3844 | if (! junk) { |
| 3845 | Pdata_clear(self->stack, i+1); |
| 3846 | self->stack->length=x; |
| 3847 | Py_DECREF(append_method); |
| 3848 | return -1; |
| 3849 | } |
| 3850 | Py_DECREF(junk); |
| 3851 | } |
| 3852 | self->stack->length=x; |
| 3853 | Py_DECREF(append_method); |
| 3854 | } |
| 3855 | |
| 3856 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3857 | } |
| 3858 | |
| 3859 | |
| 3860 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3861 | load_append(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3862 | { |
| 3863 | return do_append(self, self->stack->length - 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3864 | } |
| 3865 | |
| 3866 | |
| 3867 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3868 | load_appends(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3869 | { |
| 3870 | return do_append(self, marker(self)); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3871 | } |
| 3872 | |
| 3873 | |
| 3874 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3875 | do_setitems(Unpicklerobject *self, int x) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3876 | { |
| 3877 | PyObject *value = 0, *key = 0, *dict = 0; |
| 3878 | int len, i, r=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3879 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3880 | if (!( (len=self->stack->length) >= x |
| 3881 | && x > 0 )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3882 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3883 | dict=self->stack->data[x-1]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3884 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3885 | for (i = x+1; i < len; i += 2) { |
| 3886 | key =self->stack->data[i-1]; |
| 3887 | value=self->stack->data[i ]; |
| 3888 | if (PyObject_SetItem(dict, key, value) < 0) { |
| 3889 | r=-1; |
| 3890 | break; |
| 3891 | } |
| 3892 | } |
| 3893 | |
| 3894 | Pdata_clear(self->stack, x); |
| 3895 | |
| 3896 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3897 | } |
| 3898 | |
| 3899 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3900 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3901 | load_setitem(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3902 | { |
| 3903 | return do_setitems(self, self->stack->length - 2); |
| 3904 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3905 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3906 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3907 | load_setitems(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3908 | { |
| 3909 | return do_setitems(self, marker(self)); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3910 | } |
| 3911 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3912 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3913 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3914 | load_build(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3915 | { |
| 3916 | PyObject *value = 0, *inst = 0, *instdict = 0, *d_key = 0, *d_value = 0, |
| 3917 | *junk = 0, *__setstate__ = 0; |
| 3918 | int i, r = 0; |
| 3919 | |
| 3920 | if (self->stack->length < 2) return stackUnderflow(); |
| 3921 | PDATA_POP(self->stack, value); |
| 3922 | if (! value) return -1; |
| 3923 | inst=self->stack->data[self->stack->length-1]; |
| 3924 | |
| 3925 | if ((__setstate__ = PyObject_GetAttr(inst, __setstate___str))) { |
| 3926 | ARG_TUP(self, value); |
| 3927 | if (self->arg) { |
| 3928 | junk = PyObject_Call(__setstate__, self->arg, NULL); |
| 3929 | FREE_ARG_TUP(self); |
| 3930 | } |
| 3931 | Py_DECREF(__setstate__); |
| 3932 | if (! junk) return -1; |
| 3933 | Py_DECREF(junk); |
| 3934 | return 0; |
| 3935 | } |
| 3936 | |
| 3937 | PyErr_Clear(); |
| 3938 | if ((instdict = PyObject_GetAttr(inst, __dict___str))) { |
| 3939 | i = 0; |
| 3940 | while (PyDict_Next(value, &i, &d_key, &d_value)) { |
| 3941 | if (PyObject_SetItem(instdict, d_key, d_value) < 0) { |
| 3942 | r=-1; |
| 3943 | break; |
| 3944 | } |
| 3945 | } |
| 3946 | Py_DECREF(instdict); |
| 3947 | } |
| 3948 | else r=-1; |
| 3949 | |
| 3950 | Py_XDECREF(value); |
| 3951 | |
| 3952 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3953 | } |
| 3954 | |
| 3955 | |
| 3956 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3957 | load_mark(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3958 | { |
| 3959 | int s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3960 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3961 | /* Note that we split the (pickle.py) stack into two stacks, an |
| 3962 | object stack and a mark stack. Here we push a mark onto the |
| 3963 | mark stack. |
| 3964 | */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3965 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3966 | if ((self->num_marks + 1) >= self->marks_size) { |
| 3967 | s=self->marks_size+20; |
| 3968 | if (s <= self->num_marks) s=self->num_marks + 1; |
| 3969 | if (self->marks == NULL) |
| 3970 | self->marks=(int *)malloc(s * sizeof(int)); |
| 3971 | else |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3972 | self->marks=(int *)realloc(self->marks, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3973 | s * sizeof(int)); |
| 3974 | if (! self->marks) { |
| 3975 | PyErr_NoMemory(); |
| 3976 | return -1; |
| 3977 | } |
| 3978 | self->marks_size = s; |
| 3979 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3980 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3981 | self->marks[self->num_marks++] = self->stack->length; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3982 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3983 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3984 | } |
| 3985 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3986 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3987 | load_reduce(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3988 | { |
| 3989 | PyObject *callable = 0, *arg_tup = 0, *ob = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3990 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3991 | PDATA_POP(self->stack, arg_tup); |
| 3992 | if (! arg_tup) return -1; |
| 3993 | PDATA_POP(self->stack, callable); |
| 3994 | if (callable) { |
| 3995 | ob = Instance_New(callable, arg_tup); |
| 3996 | Py_DECREF(callable); |
| 3997 | } |
| 3998 | Py_DECREF(arg_tup); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3999 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4000 | if (! ob) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4001 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4002 | PDATA_PUSH(self->stack, ob, -1); |
| 4003 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4004 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4005 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 4006 | /* Just raises an error if we don't know the protocol specified. PROTO |
| 4007 | * is the first opcode for protocols >= 2. |
| 4008 | */ |
| 4009 | static int |
| 4010 | load_proto(Unpicklerobject *self) |
| 4011 | { |
| 4012 | int i; |
| 4013 | char *protobyte; |
| 4014 | |
| 4015 | i = self->read_func(self, &protobyte, 1); |
| 4016 | if (i < 0) |
| 4017 | return -1; |
| 4018 | |
| 4019 | i = calc_binint(protobyte, 1); |
| 4020 | /* No point checking for < 0, since calc_binint returns an unsigned |
| 4021 | * int when chewing on 1 byte. |
| 4022 | */ |
| 4023 | assert(i >= 0); |
| 4024 | if (i <= CURRENT_PROTOCOL_NUMBER) |
| 4025 | return 0; |
| 4026 | |
| 4027 | PyErr_Format(PyExc_ValueError, "unsupported pickle protocol: %d", i); |
| 4028 | return -1; |
| 4029 | } |
| 4030 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4031 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4032 | load(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4033 | { |
| 4034 | PyObject *err = 0, *val = 0; |
| 4035 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4036 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4037 | self->num_marks = 0; |
| 4038 | if (self->stack->length) Pdata_clear(self->stack, 0); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4039 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4040 | while (1) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 4041 | if (self->read_func(self, &s, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4042 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4043 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4044 | switch (s[0]) { |
| 4045 | case NONE: |
| 4046 | if (load_none(self) < 0) |
| 4047 | break; |
| 4048 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4049 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4050 | case BININT: |
| 4051 | if (load_binint(self) < 0) |
| 4052 | break; |
| 4053 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4054 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4055 | case BININT1: |
| 4056 | if (load_binint1(self) < 0) |
| 4057 | break; |
| 4058 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4059 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4060 | case BININT2: |
| 4061 | if (load_binint2(self) < 0) |
| 4062 | break; |
| 4063 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4064 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4065 | case INT: |
| 4066 | if (load_int(self) < 0) |
| 4067 | break; |
| 4068 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4069 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4070 | case LONG: |
| 4071 | if (load_long(self) < 0) |
| 4072 | break; |
| 4073 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4074 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 4075 | case LONG1: |
| 4076 | if (load_counted_long(self, 1) < 0) |
| 4077 | break; |
| 4078 | continue; |
| 4079 | |
| 4080 | case LONG4: |
| 4081 | if (load_counted_long(self, 4) < 0) |
| 4082 | break; |
| 4083 | continue; |
| 4084 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4085 | case FLOAT: |
| 4086 | if (load_float(self) < 0) |
| 4087 | break; |
| 4088 | continue; |
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 | case BINFLOAT: |
| 4091 | if (load_binfloat(self) < 0) |
| 4092 | break; |
| 4093 | continue; |
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 | case BINSTRING: |
| 4096 | if (load_binstring(self) < 0) |
| 4097 | break; |
| 4098 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4099 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4100 | case SHORT_BINSTRING: |
| 4101 | if (load_short_binstring(self) < 0) |
| 4102 | break; |
| 4103 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4104 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4105 | case STRING: |
| 4106 | if (load_string(self) < 0) |
| 4107 | break; |
| 4108 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4109 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4110 | #ifdef Py_USING_UNICODE |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4111 | case UNICODE: |
| 4112 | if (load_unicode(self) < 0) |
| 4113 | break; |
| 4114 | continue; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4115 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4116 | case BINUNICODE: |
| 4117 | if (load_binunicode(self) < 0) |
| 4118 | break; |
| 4119 | continue; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4120 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4121 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4122 | case EMPTY_TUPLE: |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 4123 | if (load_counted_tuple(self, 0) < 0) |
| 4124 | break; |
| 4125 | continue; |
| 4126 | |
| 4127 | case TUPLE1: |
| 4128 | if (load_counted_tuple(self, 1) < 0) |
| 4129 | break; |
| 4130 | continue; |
| 4131 | |
| 4132 | case TUPLE2: |
| 4133 | if (load_counted_tuple(self, 2) < 0) |
| 4134 | break; |
| 4135 | continue; |
| 4136 | |
| 4137 | case TUPLE3: |
| 4138 | if (load_counted_tuple(self, 3) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4139 | break; |
| 4140 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4141 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4142 | case TUPLE: |
| 4143 | if (load_tuple(self) < 0) |
| 4144 | break; |
| 4145 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4146 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4147 | case EMPTY_LIST: |
| 4148 | if (load_empty_list(self) < 0) |
| 4149 | break; |
| 4150 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4151 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4152 | case LIST: |
| 4153 | if (load_list(self) < 0) |
| 4154 | break; |
| 4155 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4156 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4157 | case EMPTY_DICT: |
| 4158 | if (load_empty_dict(self) < 0) |
| 4159 | break; |
| 4160 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4161 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4162 | case DICT: |
| 4163 | if (load_dict(self) < 0) |
| 4164 | break; |
| 4165 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4166 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4167 | case OBJ: |
| 4168 | if (load_obj(self) < 0) |
| 4169 | break; |
| 4170 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4171 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4172 | case INST: |
| 4173 | if (load_inst(self) < 0) |
| 4174 | break; |
| 4175 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4176 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4177 | case GLOBAL: |
| 4178 | if (load_global(self) < 0) |
| 4179 | break; |
| 4180 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4181 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4182 | case APPEND: |
| 4183 | if (load_append(self) < 0) |
| 4184 | break; |
| 4185 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4186 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4187 | case APPENDS: |
| 4188 | if (load_appends(self) < 0) |
| 4189 | break; |
| 4190 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4191 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4192 | case BUILD: |
| 4193 | if (load_build(self) < 0) |
| 4194 | break; |
| 4195 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4196 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4197 | case DUP: |
| 4198 | if (load_dup(self) < 0) |
| 4199 | break; |
| 4200 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4201 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4202 | case BINGET: |
| 4203 | if (load_binget(self) < 0) |
| 4204 | break; |
| 4205 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4206 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4207 | case LONG_BINGET: |
| 4208 | if (load_long_binget(self) < 0) |
| 4209 | break; |
| 4210 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4211 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4212 | case GET: |
| 4213 | if (load_get(self) < 0) |
| 4214 | break; |
| 4215 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4216 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4217 | case MARK: |
| 4218 | if (load_mark(self) < 0) |
| 4219 | break; |
| 4220 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4221 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4222 | case BINPUT: |
| 4223 | if (load_binput(self) < 0) |
| 4224 | break; |
| 4225 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4226 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4227 | case LONG_BINPUT: |
| 4228 | if (load_long_binput(self) < 0) |
| 4229 | break; |
| 4230 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4231 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4232 | case PUT: |
| 4233 | if (load_put(self) < 0) |
| 4234 | break; |
| 4235 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4236 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4237 | case POP: |
| 4238 | if (load_pop(self) < 0) |
| 4239 | break; |
| 4240 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4241 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4242 | case POP_MARK: |
| 4243 | if (load_pop_mark(self) < 0) |
| 4244 | break; |
| 4245 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4246 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4247 | case SETITEM: |
| 4248 | if (load_setitem(self) < 0) |
| 4249 | break; |
| 4250 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4251 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4252 | case SETITEMS: |
| 4253 | if (load_setitems(self) < 0) |
| 4254 | break; |
| 4255 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4256 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4257 | case STOP: |
| 4258 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4259 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4260 | case PERSID: |
| 4261 | if (load_persid(self) < 0) |
| 4262 | break; |
| 4263 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4264 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4265 | case BINPERSID: |
| 4266 | if (load_binpersid(self) < 0) |
| 4267 | break; |
| 4268 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4269 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4270 | case REDUCE: |
| 4271 | if (load_reduce(self) < 0) |
| 4272 | break; |
| 4273 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4274 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 4275 | case PROTO: |
| 4276 | if (load_proto(self) < 0) |
| 4277 | break; |
| 4278 | continue; |
| 4279 | |
Tim Peters | 3c67d79 | 2003-02-02 17:59:11 +0000 | [diff] [blame] | 4280 | case NEWTRUE: |
| 4281 | if (load_bool(self, Py_True) < 0) |
| 4282 | break; |
| 4283 | continue; |
| 4284 | |
| 4285 | case NEWFALSE: |
| 4286 | if (load_bool(self, Py_False) < 0) |
| 4287 | break; |
| 4288 | continue; |
| 4289 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4290 | case '\0': |
| 4291 | /* end of file */ |
| 4292 | PyErr_SetNone(PyExc_EOFError); |
| 4293 | break; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4294 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4295 | default: |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4296 | cPickle_ErrFormat(UnpicklingError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4297 | "invalid load key, '%s'.", |
| 4298 | "c", s[0]); |
| 4299 | return NULL; |
| 4300 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4301 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4302 | break; |
| 4303 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4304 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4305 | if ((err = PyErr_Occurred())) { |
| 4306 | if (err == PyExc_EOFError) { |
| 4307 | PyErr_SetNone(PyExc_EOFError); |
| 4308 | } |
| 4309 | return NULL; |
| 4310 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4311 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4312 | PDATA_POP(self->stack, val); |
| 4313 | return val; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4314 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4315 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4316 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4317 | /* No-load functions to support noload, which is used to |
| 4318 | find persistent references. */ |
| 4319 | |
| 4320 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4321 | noload_obj(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4322 | { |
| 4323 | int i; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4324 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4325 | if ((i = marker(self)) < 0) return -1; |
| 4326 | return Pdata_clear(self->stack, i+1); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4327 | } |
| 4328 | |
| 4329 | |
| 4330 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4331 | noload_inst(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4332 | { |
| 4333 | int i; |
| 4334 | char *s; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4335 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4336 | if ((i = marker(self)) < 0) return -1; |
| 4337 | Pdata_clear(self->stack, i); |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 4338 | if (self->readline_func(self, &s) < 0) return -1; |
| 4339 | if (self->readline_func(self, &s) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4340 | PDATA_APPEND(self->stack, Py_None,-1); |
| 4341 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4342 | } |
| 4343 | |
| 4344 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4345 | noload_global(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4346 | { |
| 4347 | char *s; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4348 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 4349 | if (self->readline_func(self, &s) < 0) return -1; |
| 4350 | if (self->readline_func(self, &s) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4351 | PDATA_APPEND(self->stack, Py_None,-1); |
| 4352 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4353 | } |
| 4354 | |
| 4355 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4356 | noload_reduce(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4357 | { |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4358 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4359 | if (self->stack->length < 2) return stackUnderflow(); |
| 4360 | Pdata_clear(self->stack, self->stack->length-2); |
| 4361 | PDATA_APPEND(self->stack, Py_None,-1); |
| 4362 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4363 | } |
| 4364 | |
| 4365 | static int |
| 4366 | noload_build(Unpicklerobject *self) { |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4367 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 4368 | if (self->stack->length < 1) return stackUnderflow(); |
| 4369 | Pdata_clear(self->stack, self->stack->length-1); |
Guido van Rossum | 50f385c | 1998-12-04 18:48:44 +0000 | [diff] [blame] | 4370 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4371 | } |
| 4372 | |
| 4373 | |
| 4374 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4375 | noload(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4376 | { |
| 4377 | PyObject *err = 0, *val = 0; |
| 4378 | char *s; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4379 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4380 | self->num_marks = 0; |
| 4381 | Pdata_clear(self->stack, 0); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4382 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4383 | while (1) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 4384 | if (self->read_func(self, &s, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4385 | break; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4386 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4387 | switch (s[0]) { |
| 4388 | case NONE: |
| 4389 | if (load_none(self) < 0) |
| 4390 | break; |
| 4391 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4392 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4393 | case BININT: |
| 4394 | if (load_binint(self) < 0) |
| 4395 | break; |
| 4396 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4397 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4398 | case BININT1: |
| 4399 | if (load_binint1(self) < 0) |
| 4400 | break; |
| 4401 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4402 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4403 | case BININT2: |
| 4404 | if (load_binint2(self) < 0) |
| 4405 | break; |
| 4406 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4407 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4408 | case INT: |
| 4409 | if (load_int(self) < 0) |
| 4410 | break; |
| 4411 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4412 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4413 | case LONG: |
| 4414 | if (load_long(self) < 0) |
| 4415 | break; |
| 4416 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4417 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 4418 | case LONG1: |
| 4419 | if (load_counted_long(self, 1) < 0) |
| 4420 | break; |
| 4421 | continue; |
| 4422 | |
| 4423 | case LONG4: |
| 4424 | if (load_counted_long(self, 4) < 0) |
| 4425 | break; |
| 4426 | continue; |
| 4427 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4428 | case FLOAT: |
| 4429 | if (load_float(self) < 0) |
| 4430 | break; |
| 4431 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4432 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4433 | case BINFLOAT: |
| 4434 | if (load_binfloat(self) < 0) |
| 4435 | break; |
| 4436 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4437 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4438 | case BINSTRING: |
| 4439 | if (load_binstring(self) < 0) |
| 4440 | break; |
| 4441 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4442 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4443 | case SHORT_BINSTRING: |
| 4444 | if (load_short_binstring(self) < 0) |
| 4445 | break; |
| 4446 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4447 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4448 | case STRING: |
| 4449 | if (load_string(self) < 0) |
| 4450 | break; |
| 4451 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4452 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4453 | #ifdef Py_USING_UNICODE |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4454 | case UNICODE: |
| 4455 | if (load_unicode(self) < 0) |
| 4456 | break; |
| 4457 | continue; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4458 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4459 | case BINUNICODE: |
| 4460 | if (load_binunicode(self) < 0) |
| 4461 | break; |
| 4462 | continue; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4463 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4464 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4465 | case EMPTY_TUPLE: |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 4466 | if (load_counted_tuple(self, 0) < 0) |
| 4467 | break; |
| 4468 | continue; |
| 4469 | |
| 4470 | case TUPLE1: |
| 4471 | if (load_counted_tuple(self, 1) < 0) |
| 4472 | break; |
| 4473 | continue; |
| 4474 | |
| 4475 | case TUPLE2: |
| 4476 | if (load_counted_tuple(self, 2) < 0) |
| 4477 | break; |
| 4478 | continue; |
| 4479 | |
| 4480 | case TUPLE3: |
| 4481 | if (load_counted_tuple(self, 3) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4482 | break; |
| 4483 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4484 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4485 | case TUPLE: |
| 4486 | if (load_tuple(self) < 0) |
| 4487 | break; |
| 4488 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4489 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4490 | case EMPTY_LIST: |
| 4491 | if (load_empty_list(self) < 0) |
| 4492 | break; |
| 4493 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4494 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4495 | case LIST: |
| 4496 | if (load_list(self) < 0) |
| 4497 | break; |
| 4498 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4499 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4500 | case EMPTY_DICT: |
| 4501 | if (load_empty_dict(self) < 0) |
| 4502 | break; |
| 4503 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4504 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4505 | case DICT: |
| 4506 | if (load_dict(self) < 0) |
| 4507 | break; |
| 4508 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4509 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4510 | case OBJ: |
| 4511 | if (noload_obj(self) < 0) |
| 4512 | break; |
| 4513 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4514 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4515 | case INST: |
| 4516 | if (noload_inst(self) < 0) |
| 4517 | break; |
| 4518 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4519 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4520 | case GLOBAL: |
| 4521 | if (noload_global(self) < 0) |
| 4522 | break; |
| 4523 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4524 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4525 | case APPEND: |
| 4526 | if (load_append(self) < 0) |
| 4527 | break; |
| 4528 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4529 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4530 | case APPENDS: |
| 4531 | if (load_appends(self) < 0) |
| 4532 | break; |
| 4533 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4534 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4535 | case BUILD: |
| 4536 | if (noload_build(self) < 0) |
| 4537 | break; |
| 4538 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4539 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4540 | case DUP: |
| 4541 | if (load_dup(self) < 0) |
| 4542 | break; |
| 4543 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4544 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4545 | case BINGET: |
| 4546 | if (load_binget(self) < 0) |
| 4547 | break; |
| 4548 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4549 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4550 | case LONG_BINGET: |
| 4551 | if (load_long_binget(self) < 0) |
| 4552 | break; |
| 4553 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4554 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4555 | case GET: |
| 4556 | if (load_get(self) < 0) |
| 4557 | break; |
| 4558 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4559 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4560 | case MARK: |
| 4561 | if (load_mark(self) < 0) |
| 4562 | break; |
| 4563 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4564 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4565 | case BINPUT: |
| 4566 | if (load_binput(self) < 0) |
| 4567 | break; |
| 4568 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4569 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4570 | case LONG_BINPUT: |
| 4571 | if (load_long_binput(self) < 0) |
| 4572 | break; |
| 4573 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4574 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4575 | case PUT: |
| 4576 | if (load_put(self) < 0) |
| 4577 | break; |
| 4578 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4579 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4580 | case POP: |
| 4581 | if (load_pop(self) < 0) |
| 4582 | break; |
| 4583 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4584 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4585 | case POP_MARK: |
| 4586 | if (load_pop_mark(self) < 0) |
| 4587 | break; |
| 4588 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4589 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4590 | case SETITEM: |
| 4591 | if (load_setitem(self) < 0) |
| 4592 | break; |
| 4593 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4594 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4595 | case SETITEMS: |
| 4596 | if (load_setitems(self) < 0) |
| 4597 | break; |
| 4598 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4599 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4600 | case STOP: |
| 4601 | break; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4602 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4603 | case PERSID: |
| 4604 | if (load_persid(self) < 0) |
| 4605 | break; |
| 4606 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4607 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4608 | case BINPERSID: |
| 4609 | if (load_binpersid(self) < 0) |
| 4610 | break; |
| 4611 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4612 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4613 | case REDUCE: |
| 4614 | if (noload_reduce(self) < 0) |
| 4615 | break; |
| 4616 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4617 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 4618 | case PROTO: |
| 4619 | if (load_proto(self) < 0) |
| 4620 | break; |
| 4621 | continue; |
| 4622 | |
Tim Peters | 3c67d79 | 2003-02-02 17:59:11 +0000 | [diff] [blame] | 4623 | case NEWTRUE: |
| 4624 | if (load_bool(self, Py_True) < 0) |
| 4625 | break; |
| 4626 | continue; |
| 4627 | |
| 4628 | case NEWFALSE: |
| 4629 | if (load_bool(self, Py_False) < 0) |
| 4630 | break; |
| 4631 | continue; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4632 | default: |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4633 | cPickle_ErrFormat(UnpicklingError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4634 | "invalid load key, '%s'.", |
| 4635 | "c", s[0]); |
| 4636 | return NULL; |
| 4637 | } |
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 | break; |
| 4640 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4641 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4642 | if ((err = PyErr_Occurred())) { |
| 4643 | if (err == PyExc_EOFError) { |
| 4644 | PyErr_SetNone(PyExc_EOFError); |
| 4645 | } |
| 4646 | return NULL; |
| 4647 | } |
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 | PDATA_POP(self->stack, val); |
| 4650 | return val; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4651 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4652 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4653 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4654 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4655 | Unpickler_load(Unpicklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4656 | { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4657 | if (!( PyArg_ParseTuple(args, ":load"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4658 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4659 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4660 | return load(self); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4661 | } |
| 4662 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4663 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4664 | Unpickler_noload(Unpicklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4665 | { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4666 | if (!( PyArg_ParseTuple(args, ":noload"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4667 | return NULL; |
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 | return noload(self); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4670 | } |
| 4671 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4672 | |
| 4673 | static struct PyMethodDef Unpickler_methods[] = { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4674 | {"load", (PyCFunction)Unpickler_load, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 4675 | PyDoc_STR("load() -- Load a pickle") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4676 | }, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4677 | {"noload", (PyCFunction)Unpickler_noload, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 4678 | PyDoc_STR( |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4679 | "noload() -- not load a pickle, but go through most of the motions\n" |
| 4680 | "\n" |
| 4681 | "This function can be used to read past a pickle without instantiating\n" |
| 4682 | "any objects or importing any modules. It can also be used to find all\n" |
| 4683 | "persistent references without instantiating any objects or importing\n" |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 4684 | "any modules.\n") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4685 | }, |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4686 | {NULL, NULL} /* sentinel */ |
| 4687 | }; |
| 4688 | |
| 4689 | |
| 4690 | static Unpicklerobject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4691 | newUnpicklerobject(PyObject *f) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4692 | { |
| 4693 | Unpicklerobject *self; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4694 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4695 | if (!( self = PyObject_New(Unpicklerobject, &Unpicklertype))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4696 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4697 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4698 | self->file = NULL; |
| 4699 | self->arg = NULL; |
| 4700 | self->stack = (Pdata*)Pdata_New(); |
| 4701 | self->pers_func = NULL; |
| 4702 | self->last_string = NULL; |
| 4703 | self->marks = NULL; |
| 4704 | self->num_marks = 0; |
| 4705 | self->marks_size = 0; |
| 4706 | self->buf_size = 0; |
| 4707 | self->read = NULL; |
| 4708 | self->readline = NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4709 | self->find_class = NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4710 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4711 | if (!( self->memo = PyDict_New())) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4712 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4713 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4714 | Py_INCREF(f); |
| 4715 | self->file = f; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4716 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4717 | /* Set read, readline based on type of f */ |
| 4718 | if (PyFile_Check(f)) { |
| 4719 | self->fp = PyFile_AsFile(f); |
| 4720 | if (self->fp == NULL) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4721 | PyErr_SetString(PyExc_ValueError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4722 | "I/O operation on closed file"); |
| 4723 | goto err; |
| 4724 | } |
| 4725 | self->read_func = read_file; |
| 4726 | self->readline_func = readline_file; |
Guido van Rossum | c91fcaa | 1999-03-29 20:00:14 +0000 | [diff] [blame] | 4727 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4728 | else if (PycStringIO_InputCheck(f)) { |
| 4729 | self->fp = NULL; |
| 4730 | self->read_func = read_cStringIO; |
| 4731 | self->readline_func = readline_cStringIO; |
| 4732 | } |
| 4733 | else { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4734 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4735 | self->fp = NULL; |
| 4736 | self->read_func = read_other; |
| 4737 | self->readline_func = readline_other; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4738 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4739 | if (!( (self->readline = PyObject_GetAttr(f, readline_str)) && |
| 4740 | (self->read = PyObject_GetAttr(f, read_str)))) { |
| 4741 | PyErr_Clear(); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4742 | PyErr_SetString( PyExc_TypeError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4743 | "argument must have 'read' and " |
| 4744 | "'readline' attributes" ); |
| 4745 | goto err; |
| 4746 | } |
| 4747 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4748 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4749 | return self; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4750 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4751 | err: |
| 4752 | Py_DECREF((PyObject *)self); |
| 4753 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4754 | } |
| 4755 | |
| 4756 | |
| 4757 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4758 | get_Unpickler(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4759 | { |
| 4760 | PyObject *file; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4761 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4762 | if (!( PyArg_ParseTuple(args, "O:Unpickler", &file))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4763 | return NULL; |
| 4764 | return (PyObject *)newUnpicklerobject(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4765 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4766 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4767 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4768 | static void |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4769 | Unpickler_dealloc(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4770 | { |
| 4771 | Py_XDECREF(self->readline); |
| 4772 | Py_XDECREF(self->read); |
| 4773 | Py_XDECREF(self->file); |
| 4774 | Py_XDECREF(self->memo); |
| 4775 | Py_XDECREF(self->stack); |
| 4776 | Py_XDECREF(self->pers_func); |
| 4777 | Py_XDECREF(self->arg); |
| 4778 | Py_XDECREF(self->last_string); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4779 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4780 | if (self->marks) { |
| 4781 | free(self->marks); |
| 4782 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4783 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4784 | if (self->buf_size) { |
| 4785 | free(self->buf); |
| 4786 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4787 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4788 | PyObject_Del(self); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4789 | } |
| 4790 | |
| 4791 | |
| 4792 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4793 | Unpickler_getattr(Unpicklerobject *self, char *name) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4794 | { |
| 4795 | if (!strcmp(name, "persistent_load")) { |
| 4796 | if (!self->pers_func) { |
| 4797 | PyErr_SetString(PyExc_AttributeError, name); |
| 4798 | return NULL; |
| 4799 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4800 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4801 | Py_INCREF(self->pers_func); |
| 4802 | return self->pers_func; |
| 4803 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4804 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4805 | if (!strcmp(name, "find_global")) { |
| 4806 | if (!self->find_class) { |
| 4807 | PyErr_SetString(PyExc_AttributeError, name); |
| 4808 | return NULL; |
| 4809 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 4810 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4811 | Py_INCREF(self->find_class); |
| 4812 | return self->find_class; |
| 4813 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 4814 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4815 | if (!strcmp(name, "memo")) { |
| 4816 | if (!self->memo) { |
| 4817 | PyErr_SetString(PyExc_AttributeError, name); |
| 4818 | return NULL; |
| 4819 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4820 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4821 | Py_INCREF(self->memo); |
| 4822 | return self->memo; |
| 4823 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4824 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4825 | if (!strcmp(name, "UnpicklingError")) { |
| 4826 | Py_INCREF(UnpicklingError); |
| 4827 | return UnpicklingError; |
| 4828 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4829 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4830 | return Py_FindMethod(Unpickler_methods, (PyObject *)self, name); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4831 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4832 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4833 | |
| 4834 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4835 | Unpickler_setattr(Unpicklerobject *self, char *name, PyObject *value) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4836 | { |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 4837 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4838 | if (!strcmp(name, "persistent_load")) { |
| 4839 | Py_XDECREF(self->pers_func); |
| 4840 | self->pers_func = value; |
| 4841 | Py_XINCREF(value); |
| 4842 | return 0; |
| 4843 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 4844 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4845 | if (!strcmp(name, "find_global")) { |
| 4846 | Py_XDECREF(self->find_class); |
| 4847 | self->find_class = value; |
| 4848 | Py_XINCREF(value); |
| 4849 | return 0; |
| 4850 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 4851 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4852 | if (! value) { |
| 4853 | PyErr_SetString(PyExc_TypeError, |
| 4854 | "attribute deletion is not supported"); |
| 4855 | return -1; |
| 4856 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 4857 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4858 | if (strcmp(name, "memo") == 0) { |
| 4859 | if (!PyDict_Check(value)) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4860 | PyErr_SetString(PyExc_TypeError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4861 | "memo must be a dictionary"); |
| 4862 | return -1; |
| 4863 | } |
| 4864 | Py_XDECREF(self->memo); |
| 4865 | self->memo = value; |
| 4866 | Py_INCREF(value); |
| 4867 | return 0; |
| 4868 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 4869 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4870 | PyErr_SetString(PyExc_AttributeError, name); |
| 4871 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4872 | } |
| 4873 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4874 | /* --------------------------------------------------------------------------- |
| 4875 | * Module-level functions. |
| 4876 | */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4877 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4878 | /* dump(obj, file, proto=0). */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4879 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4880 | cpm_dump(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4881 | { |
| 4882 | PyObject *ob, *file, *res = NULL; |
| 4883 | Picklerobject *pickler = 0; |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4884 | int proto = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4885 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4886 | if (!( PyArg_ParseTuple(args, "OO|i", &ob, &file, &proto))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4887 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4888 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4889 | if (!( pickler = newPicklerobject(file, proto))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4890 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4891 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4892 | if (dump(pickler, ob) < 0) |
| 4893 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4894 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4895 | Py_INCREF(Py_None); |
| 4896 | res = Py_None; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4897 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4898 | finally: |
| 4899 | Py_XDECREF(pickler); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4900 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4901 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4902 | } |
| 4903 | |
| 4904 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4905 | /* dumps(obj, proto=0). */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4906 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4907 | cpm_dumps(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4908 | { |
| 4909 | PyObject *ob, *file = 0, *res = NULL; |
| 4910 | Picklerobject *pickler = 0; |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4911 | int proto = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4912 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4913 | if (!( PyArg_ParseTuple(args, "O|i:dumps", &ob, &proto))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4914 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4915 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4916 | if (!( file = PycStringIO->NewOutput(128))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4917 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4918 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4919 | if (!( pickler = newPicklerobject(file, proto))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4920 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4921 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4922 | if (dump(pickler, ob) < 0) |
| 4923 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4924 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4925 | res = PycStringIO->cgetvalue(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4926 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4927 | finally: |
| 4928 | Py_XDECREF(pickler); |
| 4929 | Py_XDECREF(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4930 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4931 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4932 | } |
| 4933 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4934 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4935 | /* load(fileobj). */ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4936 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4937 | cpm_load(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4938 | { |
| 4939 | Unpicklerobject *unpickler = 0; |
| 4940 | PyObject *ob, *res = NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4941 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4942 | if (!( PyArg_ParseTuple(args, "O:load", &ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4943 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4944 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4945 | if (!( unpickler = newUnpicklerobject(ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4946 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4947 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4948 | res = load(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4949 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4950 | finally: |
| 4951 | Py_XDECREF(unpickler); |
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 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4954 | } |
| 4955 | |
| 4956 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4957 | /* loads(string) */ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4958 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4959 | cpm_loads(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4960 | { |
| 4961 | PyObject *ob, *file = 0, *res = NULL; |
| 4962 | Unpicklerobject *unpickler = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4963 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4964 | if (!( PyArg_ParseTuple(args, "S:loads", &ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4965 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4966 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4967 | if (!( file = PycStringIO->NewInput(ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4968 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4969 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4970 | if (!( unpickler = newUnpicklerobject(file))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4971 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4972 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4973 | res = load(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4974 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4975 | finally: |
| 4976 | Py_XDECREF(file); |
| 4977 | Py_XDECREF(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4978 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4979 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4980 | } |
| 4981 | |
| 4982 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 4983 | PyDoc_STRVAR(Unpicklertype__doc__, |
| 4984 | "Objects that know how to unpickle"); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4985 | |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 4986 | static PyTypeObject Unpicklertype = { |
| 4987 | PyObject_HEAD_INIT(NULL) |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4988 | 0, /*ob_size*/ |
Guido van Rossum | 1464839 | 2001-12-08 18:02:58 +0000 | [diff] [blame] | 4989 | "cPickle.Unpickler", /*tp_name*/ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4990 | sizeof(Unpicklerobject), /*tp_basicsize*/ |
| 4991 | 0, /*tp_itemsize*/ |
| 4992 | /* methods */ |
| 4993 | (destructor)Unpickler_dealloc, /*tp_dealloc*/ |
| 4994 | (printfunc)0, /*tp_print*/ |
| 4995 | (getattrfunc)Unpickler_getattr, /*tp_getattr*/ |
| 4996 | (setattrfunc)Unpickler_setattr, /*tp_setattr*/ |
| 4997 | (cmpfunc)0, /*tp_compare*/ |
| 4998 | (reprfunc)0, /*tp_repr*/ |
| 4999 | 0, /*tp_as_number*/ |
| 5000 | 0, /*tp_as_sequence*/ |
| 5001 | 0, /*tp_as_mapping*/ |
| 5002 | (hashfunc)0, /*tp_hash*/ |
| 5003 | (ternaryfunc)0, /*tp_call*/ |
| 5004 | (reprfunc)0, /*tp_str*/ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5005 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5006 | /* Space for future expansion */ |
| 5007 | 0L,0L,0L,0L, |
| 5008 | Unpicklertype__doc__ /* Documentation string */ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 5009 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5010 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5011 | static struct PyMethodDef cPickle_methods[] = { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 5012 | {"dump", (PyCFunction)cpm_dump, METH_VARARGS, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5013 | PyDoc_STR("dump(object, file, proto=0) -- " |
| 5014 | "Write an object in pickle format to the given file.\n" |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5015 | "\n" |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5016 | "See the Pickler docstring for the meaning of optional argument proto.") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5017 | }, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5018 | |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 5019 | {"dumps", (PyCFunction)cpm_dumps, METH_VARARGS, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5020 | PyDoc_STR("dumps(object, proto=0) -- " |
| 5021 | "Return a string containing an object in pickle format.\n" |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5022 | "\n" |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5023 | "See the Pickler docstring for the meaning of optional argument proto.") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5024 | }, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5025 | |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 5026 | {"load", (PyCFunction)cpm_load, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 5027 | PyDoc_STR("load(file) -- Load a pickle from the given file")}, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5028 | |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 5029 | {"loads", (PyCFunction)cpm_loads, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 5030 | PyDoc_STR("loads(string) -- Load a pickle from the given string")}, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5031 | |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 5032 | {"Pickler", (PyCFunction)get_Pickler, METH_VARARGS, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5033 | PyDoc_STR("Pickler(file, proto=0) -- Create a pickler.\n" |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5034 | "\n" |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5035 | "This takes a file-like object for writing a pickle data stream.\n" |
| 5036 | "The optional proto argument tells the pickler to use the given\n" |
| 5037 | "protocol; supported protocols are 0, 1, 2. The default\n" |
| 5038 | "protocol is 0, to be backwards compatible. (Protocol 0 is the\n" |
| 5039 | "only protocol that can be written to a file opened in text\n" |
| 5040 | "mode and read back successfully. When using a protocol higher\n" |
| 5041 | "than 0, make sure the file is opened in binary mode, both when\n" |
| 5042 | "pickling and unpickling.)\n" |
| 5043 | "\n" |
| 5044 | "Protocol 1 is more efficient than protocol 0; protocol 2 is\n" |
| 5045 | "more efficient than protocol 1.\n" |
| 5046 | "\n" |
| 5047 | "Specifying a negative protocol version selects the highest\n" |
| 5048 | "protocol version supported. The higher the protocol used, the\n" |
| 5049 | "more recent the version of Python needed to read the pickle\n" |
| 5050 | "produced.\n" |
| 5051 | "\n" |
| 5052 | "The file parameter must have a write() method that accepts a single\n" |
| 5053 | "string argument. It can thus be an open file object, a StringIO\n" |
| 5054 | "object, or any other custom object that meets this interface.\n") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5055 | }, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5056 | |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 5057 | {"Unpickler", (PyCFunction)get_Unpickler, METH_VARARGS, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5058 | PyDoc_STR("Unpickler(file) -- Create an unpickler.")}, |
| 5059 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5060 | { NULL, NULL } |
| 5061 | }; |
| 5062 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5063 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5064 | init_stuff(PyObject *module_dict) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5065 | { |
| 5066 | PyObject *copy_reg, *t, *r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5067 | |
Martin v. Löwis | 43c9d8a | 2002-04-01 12:34:33 +0000 | [diff] [blame] | 5068 | #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] | 5069 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5070 | INIT_STR(__class__); |
| 5071 | INIT_STR(__getinitargs__); |
| 5072 | INIT_STR(__dict__); |
| 5073 | INIT_STR(__getstate__); |
| 5074 | INIT_STR(__setstate__); |
| 5075 | INIT_STR(__name__); |
| 5076 | INIT_STR(__main__); |
| 5077 | INIT_STR(__reduce__); |
| 5078 | INIT_STR(write); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5079 | INIT_STR(append); |
| 5080 | INIT_STR(read); |
| 5081 | INIT_STR(readline); |
| 5082 | INIT_STR(copy_reg); |
| 5083 | INIT_STR(dispatch_table); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5084 | INIT_STR(__basicnew__); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5085 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5086 | if (!( copy_reg = PyImport_ImportModule("copy_reg"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5087 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5088 | |
Tim Peters | 1f1b2d2 | 2003-02-01 02:16:37 +0000 | [diff] [blame] | 5089 | /* This is special because we want to use a different |
| 5090 | one in restricted mode. */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5091 | dispatch_table = PyObject_GetAttr(copy_reg, dispatch_table_str); |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5092 | if (!dispatch_table) return -1; |
| 5093 | |
| 5094 | extension_registry = PyObject_GetAttrString(copy_reg, |
Guido van Rossum | d4b920c | 2003-02-04 01:54:49 +0000 | [diff] [blame^] | 5095 | "_extension_registry"); |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5096 | if (!extension_registry) return -1; |
| 5097 | |
| 5098 | inverted_registry = PyObject_GetAttrString(copy_reg, |
Guido van Rossum | d4b920c | 2003-02-04 01:54:49 +0000 | [diff] [blame^] | 5099 | "_inverted_registry"); |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5100 | if (!inverted_registry) return -1; |
| 5101 | |
| 5102 | extension_cache = PyObject_GetAttrString(copy_reg, |
Guido van Rossum | d4b920c | 2003-02-04 01:54:49 +0000 | [diff] [blame^] | 5103 | "_extension_cache"); |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5104 | if (!extension_cache) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5105 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5106 | Py_DECREF(copy_reg); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5107 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5108 | if (!( empty_tuple = PyTuple_New(0))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5109 | return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5110 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5111 | /* Ugh */ |
| 5112 | if (!( t=PyImport_ImportModule("__builtin__"))) return -1; |
| 5113 | if (PyDict_SetItemString(module_dict, "__builtins__", t) < 0) |
| 5114 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5115 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5116 | if (!( t=PyDict_New())) return -1; |
| 5117 | if (!( r=PyRun_String( |
| 5118 | "def __init__(self, *args): self.args=args\n\n" |
| 5119 | "def __str__(self):\n" |
| 5120 | " return self.args and ('%s' % self.args[0]) or '(what)'\n", |
| 5121 | Py_file_input, |
| 5122 | module_dict, t) )) return -1; |
| 5123 | Py_DECREF(r); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5124 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5125 | PickleError = PyErr_NewException("cPickle.PickleError", NULL, t); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5126 | if (!PickleError) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5127 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5128 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5129 | Py_DECREF(t); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5130 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5131 | PicklingError = PyErr_NewException("cPickle.PicklingError", |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5132 | PickleError, NULL); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5133 | if (!PicklingError) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5134 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5135 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5136 | if (!( t=PyDict_New())) return -1; |
| 5137 | if (!( r=PyRun_String( |
| 5138 | "def __init__(self, *args): self.args=args\n\n" |
| 5139 | "def __str__(self):\n" |
| 5140 | " a=self.args\n" |
| 5141 | " a=a and type(a[0]) or '(what)'\n" |
| 5142 | " return 'Cannot pickle %s objects' % a\n" |
| 5143 | , Py_file_input, |
| 5144 | module_dict, t) )) return -1; |
| 5145 | Py_DECREF(r); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 5146 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5147 | if (!( UnpickleableError = PyErr_NewException( |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5148 | "cPickle.UnpickleableError", PicklingError, t))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5149 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5150 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5151 | Py_DECREF(t); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5152 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5153 | if (!( UnpicklingError = PyErr_NewException("cPickle.UnpicklingError", |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5154 | PickleError, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5155 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5156 | |
Martin v. Löwis | 658009a | 2002-09-16 17:26:24 +0000 | [diff] [blame] | 5157 | if (!( BadPickleGet = PyErr_NewException("cPickle.BadPickleGet", |
| 5158 | UnpicklingError, NULL))) |
| 5159 | return -1; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5160 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5161 | if (PyDict_SetItemString(module_dict, "PickleError", |
| 5162 | PickleError) < 0) |
| 5163 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5164 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5165 | if (PyDict_SetItemString(module_dict, "PicklingError", |
| 5166 | PicklingError) < 0) |
| 5167 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5168 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5169 | if (PyDict_SetItemString(module_dict, "UnpicklingError", |
| 5170 | UnpicklingError) < 0) |
| 5171 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5172 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5173 | if (PyDict_SetItemString(module_dict, "UnpickleableError", |
| 5174 | UnpickleableError) < 0) |
| 5175 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5176 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5177 | if (PyDict_SetItemString(module_dict, "BadPickleGet", |
| 5178 | BadPickleGet) < 0) |
| 5179 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5180 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5181 | PycString_IMPORT; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 5182 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5183 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5184 | } |
| 5185 | |
Mark Hammond | fe51c6d | 2002-08-02 02:27:13 +0000 | [diff] [blame] | 5186 | #ifndef PyMODINIT_FUNC /* declarations for DLL import/export */ |
| 5187 | #define PyMODINIT_FUNC void |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 5188 | #endif |
Mark Hammond | fe51c6d | 2002-08-02 02:27:13 +0000 | [diff] [blame] | 5189 | PyMODINIT_FUNC |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5190 | initcPickle(void) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5191 | { |
| 5192 | PyObject *m, *d, *di, *v, *k; |
| 5193 | int i; |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5194 | char *rev = "1.71"; /* XXX when does this change? */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5195 | PyObject *format_version; |
| 5196 | PyObject *compatible_formats; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5197 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5198 | Picklertype.ob_type = &PyType_Type; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5199 | Unpicklertype.ob_type = &PyType_Type; |
| 5200 | PdataType.ob_type = &PyType_Type; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5201 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5202 | /* Initialize some pieces. We need to do this before module creation, |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5203 | * so we're forced to use a temporary dictionary. :( |
| 5204 | */ |
| 5205 | di = PyDict_New(); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5206 | if (!di) return; |
| 5207 | if (init_stuff(di) < 0) return; |
Guido van Rossum | ebba420 | 2000-09-07 14:35:37 +0000 | [diff] [blame] | 5208 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5209 | /* Create the module and add the functions */ |
| 5210 | m = Py_InitModule4("cPickle", cPickle_methods, |
| 5211 | cPickle_module_documentation, |
| 5212 | (PyObject*)NULL,PYTHON_API_VERSION); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5213 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5214 | /* Add some symbolic constants to the module */ |
| 5215 | d = PyModule_GetDict(m); |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5216 | v = PyString_FromString(rev); |
| 5217 | PyDict_SetItemString(d, "__version__", v); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5218 | Py_XDECREF(v); |
Barry Warsaw | 93d29b6 | 1997-01-14 17:45:08 +0000 | [diff] [blame] | 5219 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5220 | /* Copy data from di. Waaa. */ |
| 5221 | for (i=0; PyDict_Next(di, &i, &k, &v); ) { |
| 5222 | if (PyObject_SetItem(d, k, v) < 0) { |
| 5223 | Py_DECREF(di); |
| 5224 | return; |
| 5225 | } |
| 5226 | } |
| 5227 | Py_DECREF(di); |
Guido van Rossum | ebba420 | 2000-09-07 14:35:37 +0000 | [diff] [blame] | 5228 | |
Tim Peters | 5b7da39 | 2003-02-04 00:21:07 +0000 | [diff] [blame] | 5229 | /* These are purely informational; no code uses them. */ |
| 5230 | /* File format version we write. */ |
| 5231 | format_version = PyString_FromString("2.0"); |
| 5232 | /* Format versions we can read. */ |
| 5233 | compatible_formats = Py_BuildValue("[sssss]", |
| 5234 | "1.0", /* Original protocol 0 */ |
| 5235 | "1.1", /* Protocol 0 + INST */ |
| 5236 | "1.2", /* Original protocol 1 */ |
| 5237 | "1.3", /* Protocol 1 + BINFLOAT */ |
Tim Peters | 0dd23aa | 2003-02-04 00:30:46 +0000 | [diff] [blame] | 5238 | "2.0"); /* Original protocol 2 */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5239 | PyDict_SetItemString(d, "format_version", format_version); |
| 5240 | PyDict_SetItemString(d, "compatible_formats", compatible_formats); |
| 5241 | Py_XDECREF(format_version); |
| 5242 | Py_XDECREF(compatible_formats); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5243 | } |