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 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 98 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 99 | static PyObject *dispatch_table; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 100 | static PyObject *empty_tuple; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 101 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 102 | static PyObject *__class___str, *__getinitargs___str, *__dict___str, |
| 103 | *__getstate___str, *__setstate___str, *__name___str, *__reduce___str, |
Tim Peters | 1f1b2d2 | 2003-02-01 02:16:37 +0000 | [diff] [blame] | 104 | *write_str, *append_str, |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 105 | *read_str, *readline_str, *__main___str, *__basicnew___str, |
Tim Peters | 1f1b2d2 | 2003-02-01 02:16:37 +0000 | [diff] [blame] | 106 | *copy_reg_str, *dispatch_table_str; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 107 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 108 | /************************************************************************* |
| 109 | Internal Data type for pickle data. */ |
| 110 | |
| 111 | typedef struct { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 112 | PyObject_HEAD |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 113 | int length; /* number of initial slots in data currently used */ |
| 114 | int size; /* number of slots in data allocated */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 115 | PyObject **data; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 116 | } Pdata; |
| 117 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 118 | static void |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 119 | Pdata_dealloc(Pdata *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 120 | { |
| 121 | int i; |
| 122 | PyObject **p; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 123 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 124 | for (i = self->length, p = self->data; --i >= 0; p++) { |
| 125 | Py_DECREF(*p); |
| 126 | } |
| 127 | if (self->data) |
| 128 | free(self->data); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 129 | PyObject_Del(self); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 130 | } |
| 131 | |
| 132 | static PyTypeObject PdataType = { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 133 | PyObject_HEAD_INIT(NULL) 0, "cPickle.Pdata", sizeof(Pdata), 0, |
| 134 | (destructor)Pdata_dealloc, |
| 135 | 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] | 136 | }; |
| 137 | |
| 138 | #define Pdata_Check(O) ((O)->ob_type == &PdataType) |
| 139 | |
| 140 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 141 | Pdata_New(void) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 142 | { |
| 143 | Pdata *self; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 144 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 145 | if (!(self = PyObject_New(Pdata, &PdataType))) |
| 146 | return NULL; |
| 147 | self->size = 8; |
| 148 | self->length = 0; |
| 149 | self->data = malloc(self->size * sizeof(PyObject*)); |
| 150 | if (self->data) |
| 151 | return (PyObject*)self; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 152 | Py_DECREF(self); |
| 153 | return PyErr_NoMemory(); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 154 | } |
| 155 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 156 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 157 | stackUnderflow(void) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 158 | { |
| 159 | PyErr_SetString(UnpicklingError, "unpickling stack underflow"); |
| 160 | return -1; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 161 | } |
| 162 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 163 | /* Retain only the initial clearto items. If clearto >= the current |
| 164 | * number of items, this is a (non-erroneous) NOP. |
| 165 | */ |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 166 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 167 | Pdata_clear(Pdata *self, int clearto) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 168 | { |
| 169 | int i; |
| 170 | PyObject **p; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 171 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 172 | if (clearto < 0) return stackUnderflow(); |
| 173 | if (clearto >= self->length) return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 174 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 175 | for (i = self->length, p = self->data + clearto; |
| 176 | --i >= clearto; |
| 177 | p++) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 178 | Py_DECREF(*p); |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 179 | } |
| 180 | self->length = clearto; |
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 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 183 | } |
| 184 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 185 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 186 | Pdata_grow(Pdata *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 187 | { |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 188 | int bigger; |
| 189 | size_t nbytes; |
| 190 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 191 | bigger = self->size << 1; |
Tim Peters | e0a3907 | 2003-02-03 15:45:56 +0000 | [diff] [blame^] | 192 | if (bigger <= 0) /* was 0, or new value overflows */ |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 193 | goto nomemory; |
| 194 | if ((int)(size_t)bigger != bigger) |
| 195 | goto nomemory; |
| 196 | nbytes = (size_t)bigger * sizeof(PyObject *); |
| 197 | if (nbytes / sizeof(PyObject *) != (size_t)bigger) |
| 198 | goto nomemory; |
| 199 | self->data = realloc(self->data, nbytes); |
| 200 | if (self->data == NULL) |
| 201 | goto nomemory; |
| 202 | self->size = bigger; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 203 | return 0; |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 204 | |
| 205 | nomemory: |
| 206 | self->size = 0; |
| 207 | PyErr_NoMemory(); |
| 208 | return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 209 | } |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 210 | |
Tim Peters | e0a3907 | 2003-02-03 15:45:56 +0000 | [diff] [blame^] | 211 | /* D is a Pdata*. Pop the topmost element and store it into V, which |
| 212 | * must be an lvalue holding PyObject*. On stack underflow, UnpicklingError |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 213 | * is raised and V is set to NULL. D and V may be evaluated several times. |
| 214 | */ |
| 215 | #define PDATA_POP(D, V) { \ |
Tim Peters | e0a3907 | 2003-02-03 15:45:56 +0000 | [diff] [blame^] | 216 | if ((D)->length) \ |
| 217 | (V) = (D)->data[--((D)->length)]; \ |
| 218 | else { \ |
| 219 | PyErr_SetString(UnpicklingError, "bad pickle data"); \ |
| 220 | (V) = NULL; \ |
| 221 | } \ |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 222 | } |
| 223 | |
Tim Peters | e0a3907 | 2003-02-03 15:45:56 +0000 | [diff] [blame^] | 224 | /* PDATA_PUSH and PDATA_APPEND both push rvalue PyObject* O on to Pdata* |
| 225 | * D. If the Pdata stack can't be grown to hold the new value, both |
| 226 | * raise MemoryError and execute "return ER". The difference is in ownership |
| 227 | * of O after: _PUSH transfers ownership of O from the caller to the stack |
| 228 | * (no incref of O is done, and in case of error O is decrefed), while |
| 229 | * _APPEND pushes a new reference. |
| 230 | */ |
| 231 | |
| 232 | /* Push O on stack D, giving ownership of O to the stack. */ |
| 233 | #define PDATA_PUSH(D, O, ER) { \ |
| 234 | if (((Pdata*)(D))->length == ((Pdata*)(D))->size && \ |
| 235 | Pdata_grow((Pdata*)(D)) < 0) { \ |
| 236 | Py_DECREF(O); \ |
| 237 | return ER; \ |
| 238 | } \ |
| 239 | ((Pdata*)(D))->data[((Pdata*)(D))->length++] = (O); \ |
| 240 | } |
| 241 | |
| 242 | /* Push O on stack D, pushing a new reference. */ |
| 243 | #define PDATA_APPEND(D, O, ER) { \ |
| 244 | if (((Pdata*)(D))->length == ((Pdata*)(D))->size && \ |
| 245 | Pdata_grow((Pdata*)(D)) < 0) \ |
| 246 | return ER; \ |
| 247 | Py_INCREF(O); \ |
| 248 | ((Pdata*)(D))->data[((Pdata*)(D))->length++] = (O); \ |
| 249 | } |
| 250 | |
| 251 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 252 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 253 | Pdata_popTuple(Pdata *self, int start) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 254 | { |
| 255 | PyObject *r; |
| 256 | int i, j, l; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 257 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 258 | l = self->length-start; |
| 259 | r = PyTuple_New(l); |
| 260 | if (r == NULL) |
| 261 | return NULL; |
| 262 | for (i = start, j = 0 ; j < l; i++, j++) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 263 | PyTuple_SET_ITEM(r, j, self->data[i]); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 264 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 265 | self->length = start; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 266 | return r; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 267 | } |
| 268 | |
| 269 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 270 | Pdata_popList(Pdata *self, int start) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 271 | { |
| 272 | PyObject *r; |
| 273 | int i, j, l; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 274 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 275 | l=self->length-start; |
| 276 | if (!( r=PyList_New(l))) return NULL; |
| 277 | for (i=start, j=0 ; j < l; i++, j++) |
| 278 | PyList_SET_ITEM(r, j, self->data[i]); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 279 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 280 | self->length=start; |
| 281 | return r; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 282 | } |
| 283 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 284 | /*************************************************************************/ |
| 285 | |
| 286 | #define ARG_TUP(self, o) { \ |
| 287 | if (self->arg || (self->arg=PyTuple_New(1))) { \ |
| 288 | Py_XDECREF(PyTuple_GET_ITEM(self->arg,0)); \ |
| 289 | PyTuple_SET_ITEM(self->arg,0,o); \ |
| 290 | } \ |
| 291 | else { \ |
| 292 | Py_DECREF(o); \ |
| 293 | } \ |
| 294 | } |
| 295 | |
| 296 | #define FREE_ARG_TUP(self) { \ |
| 297 | if (self->arg->ob_refcnt > 1) { \ |
| 298 | Py_DECREF(self->arg); \ |
| 299 | self->arg=NULL; \ |
| 300 | } \ |
| 301 | } |
| 302 | |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 303 | typedef struct Picklerobject { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 304 | PyObject_HEAD |
| 305 | FILE *fp; |
| 306 | PyObject *write; |
| 307 | PyObject *file; |
| 308 | PyObject *memo; |
| 309 | PyObject *arg; |
| 310 | PyObject *pers_func; |
| 311 | PyObject *inst_pers_func; |
Tim Peters | 797ec24 | 2003-02-01 06:22:36 +0000 | [diff] [blame] | 312 | |
| 313 | /* pickle protocol number, >= 0 */ |
| 314 | int proto; |
| 315 | |
| 316 | /* bool, true if proto > 0 */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 317 | int bin; |
Tim Peters | 797ec24 | 2003-02-01 06:22:36 +0000 | [diff] [blame] | 318 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 319 | 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] | 320 | int nesting; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 321 | int (*write_func)(struct Picklerobject *, char *, int); |
| 322 | char *write_buf; |
| 323 | int buf_size; |
| 324 | PyObject *dispatch_table; |
| 325 | int fast_container; /* count nested container dumps */ |
| 326 | PyObject *fast_memo; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 327 | } Picklerobject; |
| 328 | |
Barry Warsaw | 52acb49 | 2001-12-21 20:04:22 +0000 | [diff] [blame] | 329 | #ifndef PY_CPICKLE_FAST_LIMIT |
| 330 | #define PY_CPICKLE_FAST_LIMIT 50 |
| 331 | #endif |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 332 | |
Jeremy Hylton | 938ace6 | 2002-07-17 16:30:39 +0000 | [diff] [blame] | 333 | static PyTypeObject Picklertype; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 334 | |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 335 | typedef struct Unpicklerobject { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 336 | PyObject_HEAD |
| 337 | FILE *fp; |
| 338 | PyObject *file; |
| 339 | PyObject *readline; |
| 340 | PyObject *read; |
| 341 | PyObject *memo; |
| 342 | PyObject *arg; |
| 343 | Pdata *stack; |
| 344 | PyObject *mark; |
| 345 | PyObject *pers_func; |
| 346 | PyObject *last_string; |
| 347 | int *marks; |
| 348 | int num_marks; |
| 349 | int marks_size; |
| 350 | int (*read_func)(struct Unpicklerobject *, char **, int); |
| 351 | int (*readline_func)(struct Unpicklerobject *, char **); |
| 352 | int buf_size; |
| 353 | char *buf; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 354 | PyObject *find_class; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 355 | } Unpicklerobject; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 356 | |
Jeremy Hylton | 938ace6 | 2002-07-17 16:30:39 +0000 | [diff] [blame] | 357 | static PyTypeObject Unpicklertype; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 358 | |
Thomas Wouters | 4789b3a | 2000-07-24 11:36:47 +0000 | [diff] [blame] | 359 | /* Forward decls that need the above structs */ |
| 360 | static int save(Picklerobject *, PyObject *, int); |
| 361 | static int put2(Picklerobject *, PyObject *); |
| 362 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 363 | int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 364 | cPickle_PyMapping_HasKey(PyObject *o, PyObject *key) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 365 | { |
| 366 | PyObject *v; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 367 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 368 | if ((v = PyObject_GetItem(o,key))) { |
| 369 | Py_DECREF(v); |
| 370 | return 1; |
| 371 | } |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 372 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 373 | PyErr_Clear(); |
| 374 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 375 | } |
| 376 | |
Guido van Rossum | d385d59 | 1997-04-09 17:47:47 +0000 | [diff] [blame] | 377 | static |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 378 | PyObject * |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 379 | cPickle_ErrFormat(PyObject *ErrType, char *stringformat, char *format, ...) |
| 380 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 381 | va_list va; |
| 382 | PyObject *args=0, *retval=0; |
| 383 | va_start(va, format); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 384 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 385 | if (format) args = Py_VaBuildValue(format, va); |
| 386 | va_end(va); |
| 387 | if (format && ! args) return NULL; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 388 | if (stringformat && !(retval=PyString_FromString(stringformat))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 389 | return NULL; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 390 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 391 | if (retval) { |
| 392 | if (args) { |
| 393 | PyObject *v; |
| 394 | v=PyString_Format(retval, args); |
| 395 | Py_DECREF(retval); |
| 396 | Py_DECREF(args); |
| 397 | if (! v) return NULL; |
| 398 | retval=v; |
| 399 | } |
| 400 | } |
| 401 | else |
| 402 | if (args) retval=args; |
| 403 | else { |
| 404 | PyErr_SetObject(ErrType,Py_None); |
| 405 | return NULL; |
| 406 | } |
| 407 | PyErr_SetObject(ErrType,retval); |
| 408 | Py_DECREF(retval); |
| 409 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 410 | } |
| 411 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 412 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 413 | write_file(Picklerobject *self, char *s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 414 | { |
| 415 | size_t nbyteswritten; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 416 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 417 | if (s == NULL) { |
| 418 | return 0; |
| 419 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 420 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 421 | Py_BEGIN_ALLOW_THREADS |
Jeremy Hylton | 7fa4bfa | 2002-07-18 20:58:57 +0000 | [diff] [blame] | 422 | nbyteswritten = fwrite(s, sizeof(char), n, self->fp); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 423 | Py_END_ALLOW_THREADS |
Jeremy Hylton | 7fa4bfa | 2002-07-18 20:58:57 +0000 | [diff] [blame] | 424 | if (nbyteswritten != (size_t)n) { |
| 425 | PyErr_SetFromErrno(PyExc_IOError); |
| 426 | return -1; |
| 427 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 428 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 429 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 430 | } |
| 431 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 432 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 433 | write_cStringIO(Picklerobject *self, char *s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 434 | { |
| 435 | if (s == NULL) { |
| 436 | return 0; |
| 437 | } |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 438 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 439 | if (PycStringIO->cwrite((PyObject *)self->file, s, n) != n) { |
| 440 | return -1; |
| 441 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 442 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 443 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 444 | } |
| 445 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 446 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 447 | write_none(Picklerobject *self, char *s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 448 | { |
| 449 | if (s == NULL) return 0; |
| 450 | return n; |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 451 | } |
| 452 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 453 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 454 | write_other(Picklerobject *self, char *s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 455 | { |
| 456 | PyObject *py_str = 0, *junk = 0; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 457 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 458 | if (s == NULL) { |
| 459 | if (!( self->buf_size )) return 0; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 460 | py_str = PyString_FromStringAndSize(self->write_buf, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 461 | self->buf_size); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 462 | if (!py_str) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 463 | return -1; |
| 464 | } |
| 465 | else { |
| 466 | if (self->buf_size && (n + self->buf_size) > WRITE_BUF_SIZE) { |
| 467 | if (write_other(self, NULL, 0) < 0) |
| 468 | return -1; |
| 469 | } |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 470 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 471 | if (n > WRITE_BUF_SIZE) { |
| 472 | if (!( py_str = |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 473 | PyString_FromStringAndSize(s, n))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 474 | return -1; |
| 475 | } |
| 476 | else { |
| 477 | memcpy(self->write_buf + self->buf_size, s, n); |
| 478 | self->buf_size += n; |
| 479 | return n; |
| 480 | } |
| 481 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 482 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 483 | if (self->write) { |
| 484 | /* object with write method */ |
| 485 | ARG_TUP(self, py_str); |
| 486 | if (self->arg) { |
| 487 | junk = PyObject_Call(self->write, self->arg, NULL); |
| 488 | FREE_ARG_TUP(self); |
| 489 | } |
| 490 | if (junk) Py_DECREF(junk); |
| 491 | else return -1; |
| 492 | } |
| 493 | else |
| 494 | PDATA_PUSH(self->file, py_str, -1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 495 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 496 | self->buf_size = 0; |
| 497 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 498 | } |
| 499 | |
| 500 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 501 | static int |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 502 | read_file(Unpicklerobject *self, char **s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 503 | { |
| 504 | size_t nbytesread; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 505 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 506 | if (self->buf_size == 0) { |
| 507 | int size; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 508 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 509 | size = ((n < 32) ? 32 : n); |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 510 | if (!( self->buf = (char *)malloc(size))) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 511 | PyErr_NoMemory(); |
| 512 | return -1; |
| 513 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 514 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 515 | self->buf_size = size; |
| 516 | } |
| 517 | else if (n > self->buf_size) { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 518 | self->buf = (char *)realloc(self->buf, n); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 519 | if (!self->buf) { |
| 520 | PyErr_NoMemory(); |
| 521 | return -1; |
| 522 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 523 | self->buf_size = n; |
| 524 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 525 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 526 | Py_BEGIN_ALLOW_THREADS |
| 527 | nbytesread = fread(self->buf, sizeof(char), n, self->fp); |
| 528 | Py_END_ALLOW_THREADS |
| 529 | if (nbytesread != (size_t)n) { |
| 530 | if (feof(self->fp)) { |
| 531 | PyErr_SetNone(PyExc_EOFError); |
| 532 | return -1; |
| 533 | } |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 534 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 535 | PyErr_SetFromErrno(PyExc_IOError); |
| 536 | return -1; |
| 537 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 538 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 539 | *s = self->buf; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 540 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 541 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 542 | } |
| 543 | |
| 544 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 545 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 546 | readline_file(Unpicklerobject *self, char **s) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 547 | { |
| 548 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 549 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 550 | if (self->buf_size == 0) { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 551 | if (!( self->buf = (char *)malloc(40))) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 552 | PyErr_NoMemory(); |
| 553 | return -1; |
| 554 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 555 | self->buf_size = 40; |
| 556 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 557 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 558 | i = 0; |
| 559 | while (1) { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 560 | int bigger; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 561 | for (; i < (self->buf_size - 1); i++) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 562 | if (feof(self->fp) || |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 563 | (self->buf[i] = getc(self->fp)) == '\n') { |
| 564 | self->buf[i + 1] = '\0'; |
| 565 | *s = self->buf; |
| 566 | return i + 1; |
| 567 | } |
| 568 | } |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 569 | bigger = self->buf_size << 1; |
| 570 | if (bigger <= 0) { /* overflow */ |
| 571 | PyErr_NoMemory(); |
| 572 | return -1; |
| 573 | } |
| 574 | self->buf = (char *)realloc(self->buf, bigger); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 575 | if (!self->buf) { |
| 576 | PyErr_NoMemory(); |
| 577 | return -1; |
| 578 | } |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 579 | self->buf_size = bigger; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 580 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 581 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 582 | |
| 583 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 584 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 585 | read_cStringIO(Unpicklerobject *self, char **s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 586 | { |
| 587 | char *ptr; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 588 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 589 | if (PycStringIO->cread((PyObject *)self->file, &ptr, n) != n) { |
| 590 | PyErr_SetNone(PyExc_EOFError); |
| 591 | return -1; |
| 592 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 593 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 594 | *s = ptr; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 595 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 596 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 597 | } |
| 598 | |
| 599 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 600 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 601 | readline_cStringIO(Unpicklerobject *self, char **s) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 602 | { |
| 603 | int n; |
| 604 | char *ptr; |
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 | if ((n = PycStringIO->creadline((PyObject *)self->file, &ptr)) < 0) { |
| 607 | return -1; |
| 608 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 609 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 610 | *s = ptr; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 611 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 612 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 613 | } |
| 614 | |
| 615 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 616 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 617 | read_other(Unpicklerobject *self, char **s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 618 | { |
| 619 | PyObject *bytes, *str=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 620 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 621 | if (!( bytes = PyInt_FromLong(n))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 622 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 623 | ARG_TUP(self, bytes); |
| 624 | if (self->arg) { |
| 625 | str = PyObject_Call(self->read, self->arg, NULL); |
| 626 | FREE_ARG_TUP(self); |
| 627 | } |
| 628 | if (! str) return -1; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 629 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 630 | Py_XDECREF(self->last_string); |
| 631 | self->last_string = str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 632 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 633 | if (! (*s = PyString_AsString(str))) return -1; |
| 634 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 635 | } |
| 636 | |
| 637 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 638 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 639 | readline_other(Unpicklerobject *self, char **s) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 640 | { |
| 641 | PyObject *str; |
| 642 | int str_size; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 643 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 644 | if (!( str = PyObject_CallObject(self->readline, empty_tuple))) { |
| 645 | return -1; |
| 646 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 647 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 648 | if ((str_size = PyString_Size(str)) < 0) |
| 649 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 650 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 651 | Py_XDECREF(self->last_string); |
| 652 | self->last_string = str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 653 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 654 | if (! (*s = PyString_AsString(str))) |
| 655 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 656 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 657 | return str_size; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 658 | } |
| 659 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 660 | /* Copy the first n bytes from s into newly malloc'ed memory, plus a |
| 661 | * trailing 0 byte. Return a pointer to that, or NULL if out of memory. |
| 662 | * The caller is responsible for free()'ing the return value. |
| 663 | */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 664 | static char * |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 665 | pystrndup(char *s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 666 | { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 667 | char *r = (char *)malloc(n+1); |
| 668 | if (r == NULL) |
| 669 | return (char*)PyErr_NoMemory(); |
| 670 | memcpy(r, s, n); |
| 671 | r[n] = 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 672 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 673 | } |
| 674 | |
| 675 | |
| 676 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 677 | get(Picklerobject *self, PyObject *id) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 678 | { |
| 679 | PyObject *value, *mv; |
| 680 | long c_value; |
| 681 | char s[30]; |
| 682 | size_t len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 683 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 684 | if (!( mv = PyDict_GetItem(self->memo, id))) { |
| 685 | PyErr_SetObject(PyExc_KeyError, id); |
| 686 | return -1; |
| 687 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 688 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 689 | if (!( value = PyTuple_GetItem(mv, 0))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 690 | return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 691 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 692 | if (!( PyInt_Check(value))) { |
| 693 | PyErr_SetString(PicklingError, "no int where int expected in memo"); |
| 694 | return -1; |
| 695 | } |
| 696 | c_value = PyInt_AS_LONG((PyIntObject*)value); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 697 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 698 | if (!self->bin) { |
| 699 | s[0] = GET; |
| 700 | PyOS_snprintf(s + 1, sizeof(s) - 1, "%ld\n", c_value); |
| 701 | len = strlen(s); |
| 702 | } |
| 703 | else if (Pdata_Check(self->file)) { |
| 704 | if (write_other(self, NULL, 0) < 0) return -1; |
| 705 | PDATA_APPEND(self->file, mv, -1); |
| 706 | return 0; |
| 707 | } |
| 708 | else { |
| 709 | if (c_value < 256) { |
| 710 | s[0] = BINGET; |
| 711 | s[1] = (int)(c_value & 0xff); |
| 712 | len = 2; |
| 713 | } |
| 714 | else { |
| 715 | s[0] = LONG_BINGET; |
| 716 | s[1] = (int)(c_value & 0xff); |
| 717 | s[2] = (int)((c_value >> 8) & 0xff); |
| 718 | s[3] = (int)((c_value >> 16) & 0xff); |
| 719 | s[4] = (int)((c_value >> 24) & 0xff); |
| 720 | len = 5; |
| 721 | } |
| 722 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 723 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 724 | if (self->write_func(self, s, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 725 | return -1; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 726 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 727 | return 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 728 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 729 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 730 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 731 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 732 | put(Picklerobject *self, PyObject *ob) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 733 | { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 734 | if (ob->ob_refcnt < 2 || self->fast) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 735 | return 0; |
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 | return put2(self, ob); |
| 738 | } |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 739 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 740 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 741 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 742 | put2(Picklerobject *self, PyObject *ob) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 743 | { |
| 744 | char c_str[30]; |
| 745 | int p; |
| 746 | size_t len; |
| 747 | int res = -1; |
| 748 | PyObject *py_ob_id = 0, *memo_len = 0, *t = 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 749 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 750 | if (self->fast) |
| 751 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 752 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 753 | if ((p = PyDict_Size(self->memo)) < 0) |
| 754 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 755 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 756 | /* Make sure memo keys are positive! */ |
Tim Peters | 70b02d7 | 2003-02-02 17:26:40 +0000 | [diff] [blame] | 757 | /* XXX Why? |
| 758 | * XXX And does "positive" really mean non-negative? |
| 759 | * XXX pickle.py starts with PUT index 0, not 1. This makes for |
| 760 | * XXX gratuitous differences between the pickling modules. |
| 761 | */ |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 762 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 763 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 764 | if (!( py_ob_id = PyLong_FromVoidPtr(ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 765 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 766 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 767 | if (!( memo_len = PyInt_FromLong(p))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 768 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 769 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 770 | if (!( t = PyTuple_New(2))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 771 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 772 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 773 | PyTuple_SET_ITEM(t, 0, memo_len); |
| 774 | Py_INCREF(memo_len); |
| 775 | PyTuple_SET_ITEM(t, 1, ob); |
| 776 | Py_INCREF(ob); |
| 777 | |
| 778 | if (PyDict_SetItem(self->memo, py_ob_id, t) < 0) |
| 779 | goto finally; |
| 780 | |
| 781 | if (!self->bin) { |
| 782 | c_str[0] = PUT; |
| 783 | PyOS_snprintf(c_str + 1, sizeof(c_str) - 1, "%d\n", p); |
| 784 | len = strlen(c_str); |
| 785 | } |
| 786 | else if (Pdata_Check(self->file)) { |
| 787 | if (write_other(self, NULL, 0) < 0) return -1; |
| 788 | PDATA_APPEND(self->file, memo_len, -1); |
| 789 | res=0; /* Job well done ;) */ |
| 790 | goto finally; |
| 791 | } |
| 792 | else { |
| 793 | if (p >= 256) { |
| 794 | c_str[0] = LONG_BINPUT; |
| 795 | c_str[1] = (int)(p & 0xff); |
| 796 | c_str[2] = (int)((p >> 8) & 0xff); |
| 797 | c_str[3] = (int)((p >> 16) & 0xff); |
| 798 | c_str[4] = (int)((p >> 24) & 0xff); |
| 799 | len = 5; |
| 800 | } |
| 801 | else { |
| 802 | c_str[0] = BINPUT; |
| 803 | c_str[1] = p; |
| 804 | len = 2; |
| 805 | } |
| 806 | } |
| 807 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 808 | if (self->write_func(self, c_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 809 | goto finally; |
| 810 | |
| 811 | res = 0; |
| 812 | |
| 813 | finally: |
| 814 | Py_XDECREF(py_ob_id); |
| 815 | Py_XDECREF(memo_len); |
| 816 | Py_XDECREF(t); |
| 817 | |
| 818 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 819 | } |
| 820 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 821 | #define PyImport_Import cPickle_Import |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 822 | |
| 823 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 824 | PyImport_Import(PyObject *module_name) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 825 | { |
| 826 | static PyObject *silly_list=0, *__builtins___str=0, *__import___str; |
| 827 | static PyObject *standard_builtins=0; |
| 828 | PyObject *globals=0, *__import__=0, *__builtins__=0, *r=0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 829 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 830 | if (!( silly_list )) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 831 | if (!( __import___str=PyString_FromString("__import__"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 832 | return NULL; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 833 | if (!( __builtins___str=PyString_FromString("__builtins__"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 834 | return NULL; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 835 | if (!( silly_list=Py_BuildValue("[s]","__doc__"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 836 | return NULL; |
| 837 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 838 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 839 | if ((globals=PyEval_GetGlobals())) { |
| 840 | Py_INCREF(globals); |
| 841 | __builtins__=PyObject_GetItem(globals,__builtins___str); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 842 | if (!__builtins__) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 843 | goto err; |
| 844 | } |
| 845 | else { |
| 846 | PyErr_Clear(); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 847 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 848 | if (!(standard_builtins || |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 849 | (standard_builtins=PyImport_ImportModule("__builtin__")))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 850 | return NULL; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 851 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 852 | __builtins__=standard_builtins; |
| 853 | Py_INCREF(__builtins__); |
| 854 | globals = Py_BuildValue("{sO}", "__builtins__", __builtins__); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 855 | if (!globals) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 856 | goto err; |
| 857 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 858 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 859 | if (PyDict_Check(__builtins__)) { |
| 860 | __import__=PyObject_GetItem(__builtins__,__import___str); |
| 861 | if (!__import__) goto err; |
| 862 | } |
| 863 | else { |
| 864 | __import__=PyObject_GetAttr(__builtins__,__import___str); |
| 865 | if (!__import__) goto err; |
| 866 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 867 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 868 | r=PyObject_CallFunction(__import__,"OOOO", |
| 869 | module_name, globals, globals, silly_list); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 870 | if (!r) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 871 | goto err; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 872 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 873 | Py_DECREF(globals); |
| 874 | Py_DECREF(__builtins__); |
| 875 | Py_DECREF(__import__); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 876 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 877 | return r; |
| 878 | err: |
| 879 | Py_XDECREF(globals); |
| 880 | Py_XDECREF(__builtins__); |
| 881 | Py_XDECREF(__import__); |
| 882 | return NULL; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 883 | } |
| 884 | |
| 885 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 886 | whichmodule(PyObject *global, PyObject *global_name) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 887 | { |
| 888 | int i, j; |
| 889 | PyObject *module = 0, *modules_dict = 0, |
| 890 | *global_name_attr = 0, *name = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 891 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 892 | module = PyObject_GetAttrString(global, "__module__"); |
| 893 | if (module) return module; |
| 894 | PyErr_Clear(); |
Guido van Rossum | 4518823 | 1997-09-28 05:38:51 +0000 | [diff] [blame] | 895 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 896 | if (!( modules_dict = PySys_GetObject("modules"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 897 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 898 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 899 | i = 0; |
| 900 | while ((j = PyDict_Next(modules_dict, &i, &name, &module))) { |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 901 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 902 | if (PyObject_Compare(name, __main___str)==0) continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 903 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 904 | global_name_attr = PyObject_GetAttr(module, global_name); |
| 905 | if (!global_name_attr) { |
| 906 | PyErr_Clear(); |
| 907 | continue; |
| 908 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 909 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 910 | if (global_name_attr != global) { |
| 911 | Py_DECREF(global_name_attr); |
| 912 | continue; |
| 913 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 914 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 915 | Py_DECREF(global_name_attr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 916 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 917 | break; |
| 918 | } |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 919 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 920 | /* The following implements the rule in pickle.py added in 1.5 |
| 921 | that used __main__ if no module is found. I don't actually |
| 922 | like this rule. jlf |
| 923 | */ |
| 924 | if (!j) { |
| 925 | j=1; |
| 926 | name=__main___str; |
| 927 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 928 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 929 | Py_INCREF(name); |
| 930 | return name; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 931 | } |
| 932 | |
| 933 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 934 | static int |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 935 | fast_save_enter(Picklerobject *self, PyObject *obj) |
| 936 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 937 | /* if fast_container < 0, we're doing an error exit. */ |
| 938 | if (++self->fast_container >= PY_CPICKLE_FAST_LIMIT) { |
| 939 | PyObject *key = NULL; |
| 940 | if (self->fast_memo == NULL) { |
| 941 | self->fast_memo = PyDict_New(); |
| 942 | if (self->fast_memo == NULL) { |
| 943 | self->fast_container = -1; |
| 944 | return 0; |
| 945 | } |
| 946 | } |
| 947 | key = PyLong_FromVoidPtr(obj); |
| 948 | if (key == NULL) |
| 949 | return 0; |
| 950 | if (PyDict_GetItem(self->fast_memo, key)) { |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 951 | Py_DECREF(key); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 952 | PyErr_Format(PyExc_ValueError, |
| 953 | "fast mode: can't pickle cyclic objects including object type %s at %p", |
| 954 | obj->ob_type->tp_name, obj); |
| 955 | self->fast_container = -1; |
| 956 | return 0; |
| 957 | } |
| 958 | if (PyDict_SetItem(self->fast_memo, key, Py_None) < 0) { |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 959 | Py_DECREF(key); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 960 | self->fast_container = -1; |
| 961 | return 0; |
| 962 | } |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 963 | Py_DECREF(key); |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 964 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 965 | return 1; |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 966 | } |
| 967 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 968 | int |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 969 | fast_save_leave(Picklerobject *self, PyObject *obj) |
| 970 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 971 | if (self->fast_container-- >= PY_CPICKLE_FAST_LIMIT) { |
| 972 | PyObject *key = PyLong_FromVoidPtr(obj); |
| 973 | if (key == NULL) |
| 974 | return 0; |
| 975 | if (PyDict_DelItem(self->fast_memo, key) < 0) { |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 976 | Py_DECREF(key); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 977 | return 0; |
| 978 | } |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 979 | Py_DECREF(key); |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 980 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 981 | return 1; |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 982 | } |
| 983 | |
| 984 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 985 | save_none(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 986 | { |
| 987 | static char none = NONE; |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 988 | if (self->write_func(self, &none, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 989 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 990 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 991 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 992 | } |
| 993 | |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 994 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 995 | save_bool(Picklerobject *self, PyObject *args) |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 996 | { |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 997 | static char *buf[2] = {FALSE, TRUE}; |
| 998 | static char len[2] = {sizeof(FALSE)-1, sizeof(TRUE)-1}; |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 999 | long l = PyInt_AS_LONG((PyIntObject *)args); |
| 1000 | |
Tim Peters | 3c67d79 | 2003-02-02 17:59:11 +0000 | [diff] [blame] | 1001 | if (self->proto >= 2) { |
| 1002 | char opcode = l ? NEWTRUE : NEWFALSE; |
| 1003 | if (self->write_func(self, &opcode, 1) < 0) |
| 1004 | return -1; |
| 1005 | } |
| 1006 | else if (self->write_func(self, buf[l], len[l]) < 0) |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 1007 | return -1; |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 1008 | return 0; |
| 1009 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1010 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1011 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1012 | save_int(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1013 | { |
| 1014 | char c_str[32]; |
| 1015 | long l = PyInt_AS_LONG((PyIntObject *)args); |
| 1016 | int len = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1017 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1018 | if (!self->bin |
Guido van Rossum | de8d6d7 | 1997-05-13 18:00:44 +0000 | [diff] [blame] | 1019 | #if SIZEOF_LONG > 4 |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1020 | || l > 0x7fffffffL |
| 1021 | || l < -0x80000000L |
Guido van Rossum | de8d6d7 | 1997-05-13 18:00:44 +0000 | [diff] [blame] | 1022 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1023 | ) { |
| 1024 | /* Text-mode pickle, or long too big to fit in the 4-byte |
| 1025 | * signed BININT format: store as a string. |
| 1026 | */ |
| 1027 | c_str[0] = INT; |
| 1028 | PyOS_snprintf(c_str + 1, sizeof(c_str) - 1, "%ld\n", l); |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1029 | if (self->write_func(self, c_str, strlen(c_str)) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1030 | return -1; |
| 1031 | } |
| 1032 | else { |
| 1033 | /* Binary pickle and l fits in a signed 4-byte int. */ |
| 1034 | c_str[1] = (int)( l & 0xff); |
| 1035 | c_str[2] = (int)((l >> 8) & 0xff); |
| 1036 | c_str[3] = (int)((l >> 16) & 0xff); |
| 1037 | c_str[4] = (int)((l >> 24) & 0xff); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1038 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1039 | if ((c_str[4] == 0) && (c_str[3] == 0)) { |
| 1040 | if (c_str[2] == 0) { |
| 1041 | c_str[0] = BININT1; |
| 1042 | len = 2; |
| 1043 | } |
| 1044 | else { |
| 1045 | c_str[0] = BININT2; |
| 1046 | len = 3; |
| 1047 | } |
| 1048 | } |
| 1049 | else { |
| 1050 | c_str[0] = BININT; |
| 1051 | len = 5; |
| 1052 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1053 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1054 | if (self->write_func(self, c_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1055 | return -1; |
| 1056 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1057 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1058 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1059 | } |
| 1060 | |
| 1061 | |
| 1062 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1063 | save_long(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1064 | { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 1065 | int size; |
| 1066 | int res = -1; |
| 1067 | PyObject *repr = NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1068 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1069 | static char l = LONG; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1070 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 1071 | if (self->proto >= 2) { |
| 1072 | /* Linear-time pickling. */ |
| 1073 | size_t nbits; |
| 1074 | size_t nbytes; |
| 1075 | unsigned char *pdata; |
| 1076 | char c_str[5]; |
| 1077 | int i; |
| 1078 | int sign = _PyLong_Sign(args); |
| 1079 | |
| 1080 | if (sign == 0) { |
| 1081 | /* It's 0 -- an empty bytestring. */ |
| 1082 | c_str[0] = LONG1; |
| 1083 | c_str[1] = 0; |
| 1084 | i = self->write_func(self, c_str, 2); |
| 1085 | if (i < 0) goto finally; |
| 1086 | res = 0; |
| 1087 | goto finally; |
| 1088 | } |
| 1089 | nbits = _PyLong_NumBits(args); |
| 1090 | if (nbits == (size_t)-1 && PyErr_Occurred()) |
| 1091 | goto finally; |
| 1092 | /* How many bytes do we need? There are nbits >> 3 full |
| 1093 | * bytes of data, and nbits & 7 leftover bits. If there |
| 1094 | * are any leftover bits, then we clearly need another |
| 1095 | * byte. Wnat's not so obvious is that we *probably* |
| 1096 | * need another byte even if there aren't any leftovers: |
| 1097 | * the most-significant bit of the most-significant byte |
| 1098 | * acts like a sign bit, and it's usually got a sense |
| 1099 | * opposite of the one we need. The exception is longs |
| 1100 | * of the form -(2**(8*j-1)) for j > 0. Such a long is |
| 1101 | * its own 256's-complement, so has the right sign bit |
| 1102 | * even without the extra byte. That's a pain to check |
| 1103 | * for in advance, though, so we always grab an extra |
| 1104 | * byte at the start, and cut it back later if possible. |
| 1105 | */ |
| 1106 | nbytes = (nbits >> 3) + 1; |
| 1107 | if ((int)nbytes < 0 || (size_t)(int)nbytes != nbytes) { |
| 1108 | PyErr_SetString(PyExc_OverflowError, "long too large " |
| 1109 | "to pickle"); |
| 1110 | goto finally; |
| 1111 | } |
| 1112 | repr = PyString_FromStringAndSize(NULL, (int)nbytes); |
| 1113 | if (repr == NULL) goto finally; |
| 1114 | pdata = (unsigned char *)PyString_AS_STRING(repr); |
| 1115 | i = _PyLong_AsByteArray((PyLongObject *)args, |
| 1116 | pdata, nbytes, |
| 1117 | 1 /* little endian */, 1 /* signed */); |
| 1118 | if (i < 0) goto finally; |
| 1119 | /* If the long is negative, this may be a byte more than |
| 1120 | * needed. This is so iff the MSB is all redundant sign |
| 1121 | * bits. |
| 1122 | */ |
| 1123 | if (sign < 0 && nbytes > 1 && pdata[nbytes - 1] == 0xff && |
| 1124 | (pdata[nbytes - 2] & 0x80) != 0) |
| 1125 | --nbytes; |
| 1126 | |
| 1127 | if (nbytes < 256) { |
| 1128 | c_str[0] = LONG1; |
| 1129 | c_str[1] = (char)nbytes; |
| 1130 | size = 2; |
| 1131 | } |
| 1132 | else { |
| 1133 | c_str[0] = LONG4; |
| 1134 | size = (int)nbytes; |
| 1135 | for (i = 1; i < 5; i++) { |
| 1136 | c_str[i] = (char)(size & 0xff); |
| 1137 | size >>= 8; |
| 1138 | } |
| 1139 | size = 5; |
| 1140 | } |
| 1141 | i = self->write_func(self, c_str, size); |
| 1142 | if (i < 0) goto finally; |
| 1143 | i = self->write_func(self, (char *)pdata, (int)nbytes); |
| 1144 | if (i < 0) goto finally; |
| 1145 | res = 0; |
| 1146 | goto finally; |
| 1147 | } |
| 1148 | |
| 1149 | /* proto < 2: write the repr and newline. This is quadratic-time |
| 1150 | * (in the number of digits), in both directions. |
| 1151 | */ |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1152 | if (!( repr = PyObject_Repr(args))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1153 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1154 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1155 | if ((size = PyString_Size(repr)) < 0) |
| 1156 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1157 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1158 | if (self->write_func(self, &l, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1159 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1160 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1161 | if (self->write_func(self, |
| 1162 | PyString_AS_STRING((PyStringObject *)repr), |
| 1163 | size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1164 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1165 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1166 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1167 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1168 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1169 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1170 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1171 | finally: |
| 1172 | Py_XDECREF(repr); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1173 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1174 | } |
| 1175 | |
| 1176 | |
| 1177 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1178 | save_float(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1179 | { |
| 1180 | double x = PyFloat_AS_DOUBLE((PyFloatObject *)args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1181 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1182 | if (self->bin) { |
| 1183 | int s, e; |
| 1184 | double f; |
| 1185 | long fhi, flo; |
| 1186 | char str[9]; |
| 1187 | unsigned char *p = (unsigned char *)str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1188 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1189 | *p = BINFLOAT; |
| 1190 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1191 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1192 | if (x < 0) { |
| 1193 | s = 1; |
| 1194 | x = -x; |
| 1195 | } |
| 1196 | else |
| 1197 | s = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1198 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1199 | f = frexp(x, &e); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1200 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1201 | /* Normalize f to be in the range [1.0, 2.0) */ |
| 1202 | if (0.5 <= f && f < 1.0) { |
| 1203 | f *= 2.0; |
| 1204 | e--; |
| 1205 | } |
| 1206 | else if (f == 0.0) { |
| 1207 | e = 0; |
| 1208 | } |
| 1209 | else { |
| 1210 | PyErr_SetString(PyExc_SystemError, |
| 1211 | "frexp() result out of range"); |
| 1212 | return -1; |
| 1213 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1214 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1215 | if (e >= 1024) { |
| 1216 | /* XXX 1024 itself is reserved for Inf/NaN */ |
| 1217 | PyErr_SetString(PyExc_OverflowError, |
| 1218 | "float too large to pack with d format"); |
| 1219 | return -1; |
| 1220 | } |
| 1221 | else if (e < -1022) { |
| 1222 | /* Gradual underflow */ |
| 1223 | f = ldexp(f, 1022 + e); |
| 1224 | e = 0; |
| 1225 | } |
| 1226 | else if (!(e == 0 && f == 0.0)) { |
| 1227 | e += 1023; |
| 1228 | f -= 1.0; /* Get rid of leading 1 */ |
| 1229 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1230 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1231 | /* fhi receives the high 28 bits; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1232 | flo the low 24 bits (== 52 bits) */ |
| 1233 | f *= 268435456.0; /* 2**28 */ |
| 1234 | fhi = (long) floor(f); /* Truncate */ |
| 1235 | f -= (double)fhi; |
| 1236 | f *= 16777216.0; /* 2**24 */ |
| 1237 | flo = (long) floor(f + 0.5); /* Round */ |
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 | /* First byte */ |
| 1240 | *p = (s<<7) | (e>>4); |
| 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 | /* Second byte */ |
| 1244 | *p = (unsigned char) (((e&0xF)<<4) | (fhi>>24)); |
| 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 | /* Third byte */ |
| 1248 | *p = (unsigned char) ((fhi>>16) & 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 | /* Fourth byte */ |
| 1252 | *p = (unsigned char) ((fhi>>8) & 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 | /* Fifth byte */ |
| 1256 | *p = (unsigned char) (fhi & 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 | /* Sixth byte */ |
| 1260 | *p = (unsigned char) ((flo>>16) & 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 | /* Seventh byte */ |
| 1264 | *p = (unsigned char) ((flo>>8) & 0xFF); |
| 1265 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1266 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1267 | /* Eighth byte */ |
| 1268 | *p = (unsigned char) (flo & 0xFF); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1269 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1270 | if (self->write_func(self, str, 9) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1271 | return -1; |
| 1272 | } |
| 1273 | else { |
| 1274 | char c_str[250]; |
| 1275 | c_str[0] = FLOAT; |
| 1276 | 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] | 1277 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1278 | if (self->write_func(self, c_str, strlen(c_str)) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1279 | return -1; |
| 1280 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1281 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1282 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1283 | } |
| 1284 | |
| 1285 | |
| 1286 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1287 | save_string(Picklerobject *self, PyObject *args, int doput) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1288 | { |
| 1289 | int size, len; |
| 1290 | PyObject *repr=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1291 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1292 | if ((size = PyString_Size(args)) < 0) |
| 1293 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1294 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1295 | if (!self->bin) { |
| 1296 | char *repr_str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1297 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1298 | static char string = STRING; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1299 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1300 | if (!( repr = PyObject_Repr(args))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1301 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1302 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1303 | if ((len = PyString_Size(repr)) < 0) |
| 1304 | goto err; |
| 1305 | repr_str = PyString_AS_STRING((PyStringObject *)repr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1306 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1307 | if (self->write_func(self, &string, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1308 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1309 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1310 | if (self->write_func(self, repr_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1311 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1312 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1313 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1314 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1315 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1316 | Py_XDECREF(repr); |
| 1317 | } |
| 1318 | else { |
| 1319 | int i; |
| 1320 | char c_str[5]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1321 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1322 | if ((size = PyString_Size(args)) < 0) |
| 1323 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1324 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1325 | if (size < 256) { |
| 1326 | c_str[0] = SHORT_BINSTRING; |
| 1327 | c_str[1] = size; |
| 1328 | len = 2; |
| 1329 | } |
| 1330 | else { |
| 1331 | c_str[0] = BINSTRING; |
| 1332 | for (i = 1; i < 5; i++) |
| 1333 | c_str[i] = (int)(size >> ((i - 1) * 8)); |
| 1334 | len = 5; |
| 1335 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1336 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1337 | if (self->write_func(self, c_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1338 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1339 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1340 | if (size > 128 && Pdata_Check(self->file)) { |
| 1341 | if (write_other(self, NULL, 0) < 0) return -1; |
| 1342 | PDATA_APPEND(self->file, args, -1); |
| 1343 | } |
| 1344 | else { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1345 | if (self->write_func(self, |
| 1346 | PyString_AS_STRING( |
| 1347 | (PyStringObject *)args), |
| 1348 | size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1349 | return -1; |
| 1350 | } |
| 1351 | } |
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 | if (doput) |
| 1354 | if (put(self, args) < 0) |
| 1355 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1356 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1357 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1358 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1359 | err: |
| 1360 | Py_XDECREF(repr); |
| 1361 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1362 | } |
| 1363 | |
| 1364 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1365 | #ifdef Py_USING_UNICODE |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1366 | /* A copy of PyUnicode_EncodeRawUnicodeEscape() that also translates |
| 1367 | backslash and newline characters to \uXXXX escapes. */ |
| 1368 | static PyObject * |
| 1369 | modified_EncodeRawUnicodeEscape(const Py_UNICODE *s, int size) |
| 1370 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1371 | PyObject *repr; |
| 1372 | char *p; |
| 1373 | char *q; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1374 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1375 | static const char *hexdigit = "0123456789ABCDEF"; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1376 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1377 | repr = PyString_FromStringAndSize(NULL, 6 * size); |
| 1378 | if (repr == NULL) |
| 1379 | return NULL; |
| 1380 | if (size == 0) |
| 1381 | return repr; |
| 1382 | |
| 1383 | p = q = PyString_AS_STRING(repr); |
| 1384 | while (size-- > 0) { |
| 1385 | Py_UNICODE ch = *s++; |
| 1386 | /* Map 16-bit characters to '\uxxxx' */ |
| 1387 | if (ch >= 256 || ch == '\\' || ch == '\n') { |
| 1388 | *p++ = '\\'; |
| 1389 | *p++ = 'u'; |
| 1390 | *p++ = hexdigit[(ch >> 12) & 0xf]; |
| 1391 | *p++ = hexdigit[(ch >> 8) & 0xf]; |
| 1392 | *p++ = hexdigit[(ch >> 4) & 0xf]; |
| 1393 | *p++ = hexdigit[ch & 15]; |
| 1394 | } |
| 1395 | /* Copy everything else as-is */ |
| 1396 | else |
| 1397 | *p++ = (char) ch; |
| 1398 | } |
| 1399 | *p = '\0'; |
Tim Peters | 5de9842 | 2002-04-27 18:44:32 +0000 | [diff] [blame] | 1400 | _PyString_Resize(&repr, p - q); |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1401 | return repr; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1402 | } |
| 1403 | |
| 1404 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1405 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1406 | save_unicode(Picklerobject *self, PyObject *args, int doput) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1407 | { |
| 1408 | int size, len; |
| 1409 | PyObject *repr=0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1410 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1411 | if (!PyUnicode_Check(args)) |
| 1412 | return -1; |
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 | if (!self->bin) { |
| 1415 | char *repr_str; |
| 1416 | static char string = UNICODE; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1417 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1418 | repr = modified_EncodeRawUnicodeEscape( |
| 1419 | PyUnicode_AS_UNICODE(args), PyUnicode_GET_SIZE(args)); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1420 | if (!repr) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1421 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1422 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1423 | if ((len = PyString_Size(repr)) < 0) |
| 1424 | goto err; |
| 1425 | repr_str = PyString_AS_STRING((PyStringObject *)repr); |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1426 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1427 | if (self->write_func(self, &string, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1428 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1429 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1430 | if (self->write_func(self, repr_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1431 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1432 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1433 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1434 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1435 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1436 | Py_XDECREF(repr); |
| 1437 | } |
| 1438 | else { |
| 1439 | int i; |
| 1440 | char c_str[5]; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1441 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1442 | if (!( repr = PyUnicode_AsUTF8String(args))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1443 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1444 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1445 | if ((size = PyString_Size(repr)) < 0) |
| 1446 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1447 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1448 | c_str[0] = BINUNICODE; |
| 1449 | for (i = 1; i < 5; i++) |
| 1450 | c_str[i] = (int)(size >> ((i - 1) * 8)); |
| 1451 | len = 5; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1452 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1453 | if (self->write_func(self, c_str, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1454 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1455 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1456 | if (size > 128 && Pdata_Check(self->file)) { |
| 1457 | if (write_other(self, NULL, 0) < 0) |
| 1458 | goto err; |
| 1459 | PDATA_APPEND(self->file, repr, -1); |
| 1460 | } |
| 1461 | else { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1462 | if (self->write_func(self, PyString_AS_STRING(repr), |
| 1463 | size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1464 | goto err; |
| 1465 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1466 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1467 | Py_DECREF(repr); |
| 1468 | } |
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 | if (doput) |
| 1471 | if (put(self, args) < 0) |
| 1472 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1473 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1474 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1475 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1476 | err: |
| 1477 | Py_XDECREF(repr); |
| 1478 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1479 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1480 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1481 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1482 | /* A helper for save_tuple. Push the len elements in tuple t on the stack. */ |
| 1483 | static int |
| 1484 | store_tuple_elememts(Picklerobject *self, PyObject *t, int len) |
| 1485 | { |
| 1486 | int i; |
| 1487 | int res = -1; /* guilty until proved innocent */ |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1488 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1489 | assert(PyTuple_Size(t) == len); |
| 1490 | |
| 1491 | for (i = 0; i < len; i++) { |
| 1492 | PyObject *element = PyTuple_GET_ITEM(t, i); |
| 1493 | |
| 1494 | if (element == NULL) |
| 1495 | goto finally; |
| 1496 | if (save(self, element, 0) < 0) |
| 1497 | goto finally; |
| 1498 | } |
| 1499 | res = 0; |
| 1500 | |
| 1501 | finally: |
| 1502 | return res; |
| 1503 | } |
| 1504 | |
| 1505 | /* Tuples are ubiquitous in the pickle protocols, so many techniques are |
| 1506 | * used across protocols to minimize the space needed to pickle them. |
| 1507 | * Tuples are also the only builtin immuatable type that can be recursive |
| 1508 | * (a tuple can be reached from itself), and that requires some subtle |
| 1509 | * magic so that it works in all cases. IOW, this is a long routine. |
| 1510 | */ |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1511 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1512 | save_tuple(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1513 | { |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1514 | PyObject *py_tuple_id = NULL; |
| 1515 | int len, i; |
| 1516 | int res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1517 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1518 | static char tuple = TUPLE; |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1519 | static char pop = POP; |
| 1520 | static char pop_mark = POP_MARK; |
| 1521 | static char len2opcode[] = {EMPTY_TUPLE, TUPLE1, TUPLE2, TUPLE3}; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1522 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1523 | if ((len = PyTuple_Size(args)) < 0) |
| 1524 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1525 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1526 | if (len == 0) { |
| 1527 | char c_str[2]; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1528 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1529 | if (self->proto) { |
| 1530 | c_str[0] = EMPTY_TUPLE; |
| 1531 | len = 1; |
| 1532 | } |
| 1533 | else { |
| 1534 | c_str[0] = MARK; |
| 1535 | c_str[1] = TUPLE; |
| 1536 | len = 2; |
| 1537 | } |
| 1538 | if (self->write_func(self, c_str, len) >= 0) |
| 1539 | res = 0; |
| 1540 | /* Don't memoize an empty tuple. */ |
| 1541 | goto finally; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1542 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1543 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1544 | /* A non-empty tuple. */ |
| 1545 | |
| 1546 | /* id(tuple) isn't in the memo now. If it shows up there after |
| 1547 | * saving the tuple elements, the tuple must be recursive, in |
| 1548 | * which case we'll pop everything we put on the stack, and fetch |
| 1549 | * its value from the memo. |
| 1550 | */ |
| 1551 | py_tuple_id = PyLong_FromVoidPtr(args); |
| 1552 | if (py_tuple_id == NULL) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1553 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1554 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1555 | if (len <= 3 && self->proto >= 2) { |
| 1556 | /* Use TUPLE{1,2,3} opcodes. */ |
| 1557 | if (store_tuple_elememts(self, args, len) < 0) |
| 1558 | goto finally; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1559 | if (PyDict_GetItem(self->memo, py_tuple_id)) { |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1560 | /* pop the len elements */ |
| 1561 | for (i = 0; i < len; ++i) |
| 1562 | if (self->write_func(self, &pop, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1563 | goto finally; |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1564 | /* fetch from memo */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1565 | if (get(self, py_tuple_id) < 0) |
| 1566 | goto finally; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1567 | res = 0; |
| 1568 | goto finally; |
| 1569 | } |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1570 | /* Not recursive. */ |
| 1571 | if (self->write_func(self, len2opcode + len, 1) < 0) |
| 1572 | goto finally; |
| 1573 | goto memoize; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1574 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1575 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1576 | /* proto < 2 and len > 0, or proto >= 2 and len > 3. |
| 1577 | * Generate MARK elt1 elt2 ... TUPLE |
| 1578 | */ |
| 1579 | if (self->write_func(self, &MARKv, 1) < 0) |
| 1580 | goto finally; |
| 1581 | |
| 1582 | if (store_tuple_elememts(self, args, len) < 0) |
| 1583 | goto finally; |
| 1584 | |
| 1585 | if (PyDict_GetItem(self->memo, py_tuple_id)) { |
| 1586 | /* pop the stack stuff we pushed */ |
| 1587 | if (self->bin) { |
| 1588 | if (self->write_func(self, &pop_mark, 1) < 0) |
| 1589 | goto finally; |
| 1590 | } |
| 1591 | else { |
| 1592 | /* Note that we pop one more than len, to remove |
| 1593 | * the MARK too. |
| 1594 | */ |
| 1595 | for (i = 0; i <= len; i++) |
| 1596 | if (self->write_func(self, &pop, 1) < 0) |
| 1597 | goto finally; |
| 1598 | } |
| 1599 | /* fetch from memo */ |
| 1600 | if (get(self, py_tuple_id) >= 0) |
| 1601 | res = 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1602 | goto finally; |
| 1603 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1604 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1605 | /* Not recursive. */ |
| 1606 | if (self->write_func(self, &tuple, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1607 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1608 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 1609 | memoize: |
| 1610 | if (put(self, args) >= 0) |
| 1611 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1612 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1613 | finally: |
| 1614 | Py_XDECREF(py_tuple_id); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1615 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1616 | } |
| 1617 | |
| 1618 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1619 | save_list(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1620 | { |
| 1621 | PyObject *element = 0; |
| 1622 | int s_len, len, i, using_appends, res = -1; |
| 1623 | char s[3]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1624 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1625 | static char append = APPEND, appends = APPENDS; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1626 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1627 | if (self->fast && !fast_save_enter(self, args)) |
| 1628 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1629 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1630 | if (self->bin) { |
| 1631 | s[0] = EMPTY_LIST; |
| 1632 | s_len = 1; |
| 1633 | } |
| 1634 | else { |
| 1635 | s[0] = MARK; |
| 1636 | s[1] = LIST; |
| 1637 | s_len = 2; |
| 1638 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1639 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1640 | if ((len = PyList_Size(args)) < 0) |
| 1641 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1642 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1643 | if (self->write_func(self, s, s_len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1644 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1645 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1646 | if (len == 0) { |
| 1647 | if (put(self, args) < 0) |
| 1648 | goto finally; |
| 1649 | } |
| 1650 | else { |
| 1651 | if (put2(self, args) < 0) |
| 1652 | goto finally; |
| 1653 | } |
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 | if ((using_appends = (self->bin && (len > 1)))) |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1656 | if (self->write_func(self, &MARKv, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1657 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1658 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1659 | for (i = 0; i < len; i++) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1660 | if (!( element = PyList_GET_ITEM((PyListObject *)args, i))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1661 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1662 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1663 | if (save(self, element, 0) < 0) |
| 1664 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1665 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1666 | if (!using_appends) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1667 | if (self->write_func(self, &append, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1668 | goto finally; |
| 1669 | } |
| 1670 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1671 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1672 | if (using_appends) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1673 | if (self->write_func(self, &appends, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1674 | goto finally; |
| 1675 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1676 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1677 | res = 0; |
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 | finally: |
| 1680 | if (self->fast && !fast_save_leave(self, args)) |
| 1681 | res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1682 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1683 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1684 | } |
| 1685 | |
| 1686 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1687 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1688 | save_dict(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1689 | { |
| 1690 | PyObject *key = 0, *value = 0; |
| 1691 | int i, len, res = -1, using_setitems; |
| 1692 | char s[3]; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1693 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1694 | static char setitem = SETITEM, setitems = SETITEMS; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1695 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1696 | if (self->fast && !fast_save_enter(self, args)) |
| 1697 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1698 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1699 | if (self->bin) { |
| 1700 | s[0] = EMPTY_DICT; |
| 1701 | len = 1; |
| 1702 | } |
| 1703 | else { |
| 1704 | s[0] = MARK; |
| 1705 | s[1] = DICT; |
| 1706 | len = 2; |
| 1707 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1708 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1709 | if (self->write_func(self, s, len) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1710 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1711 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1712 | if ((len = PyDict_Size(args)) < 0) |
| 1713 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1714 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1715 | if (len == 0) { |
| 1716 | if (put(self, args) < 0) |
| 1717 | goto finally; |
| 1718 | } |
| 1719 | else { |
| 1720 | if (put2(self, args) < 0) |
| 1721 | goto finally; |
| 1722 | } |
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 | if ((using_setitems = (self->bin && (PyDict_Size(args) > 1)))) |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1725 | if (self->write_func(self, &MARKv, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1726 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1727 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1728 | i = 0; |
| 1729 | while (PyDict_Next(args, &i, &key, &value)) { |
| 1730 | if (save(self, key, 0) < 0) |
| 1731 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1732 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1733 | if (save(self, value, 0) < 0) |
| 1734 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1735 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1736 | if (!using_setitems) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1737 | if (self->write_func(self, &setitem, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1738 | goto finally; |
| 1739 | } |
| 1740 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1741 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1742 | if (using_setitems) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1743 | if (self->write_func(self, &setitems, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1744 | goto finally; |
| 1745 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1746 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1747 | res = 0; |
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 | finally: |
| 1750 | if (self->fast && !fast_save_leave(self, args)) |
| 1751 | res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1752 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1753 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1754 | } |
| 1755 | |
| 1756 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1757 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1758 | save_inst(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1759 | { |
| 1760 | PyObject *class = 0, *module = 0, *name = 0, *state = 0, |
| 1761 | *getinitargs_func = 0, *getstate_func = 0, *class_args = 0; |
| 1762 | char *module_str, *name_str; |
| 1763 | int module_size, name_size, res = -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1764 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1765 | static char inst = INST, obj = OBJ, build = BUILD; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1766 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1767 | if (self->fast && !fast_save_enter(self, args)) |
| 1768 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1769 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1770 | if (self->write_func(self, &MARKv, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1771 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1772 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1773 | if (!( class = PyObject_GetAttr(args, __class___str))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1774 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1775 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1776 | if (self->bin) { |
| 1777 | if (save(self, class, 0) < 0) |
| 1778 | goto finally; |
| 1779 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1780 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1781 | if ((getinitargs_func = PyObject_GetAttr(args, __getinitargs___str))) { |
| 1782 | PyObject *element = 0; |
| 1783 | int i, len; |
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 (!( class_args = |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1786 | PyObject_Call(getinitargs_func, empty_tuple, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1787 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1788 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1789 | if ((len = PyObject_Size(class_args)) < 0) |
| 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 | for (i = 0; i < len; i++) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1793 | if (!( element = PySequence_GetItem(class_args, i))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1794 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1795 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1796 | if (save(self, element, 0) < 0) { |
| 1797 | Py_DECREF(element); |
| 1798 | goto finally; |
| 1799 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1800 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1801 | Py_DECREF(element); |
| 1802 | } |
| 1803 | } |
| 1804 | else { |
| 1805 | PyErr_Clear(); |
| 1806 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1807 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1808 | if (!self->bin) { |
| 1809 | if (!( name = ((PyClassObject *)class)->cl_name )) { |
| 1810 | PyErr_SetString(PicklingError, "class has no name"); |
| 1811 | goto finally; |
| 1812 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1813 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1814 | if (!( module = whichmodule(class, name))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1815 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1816 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1817 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1818 | if ((module_size = PyString_Size(module)) < 0 || |
| 1819 | (name_size = PyString_Size(name)) < 0) |
| 1820 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1821 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1822 | module_str = PyString_AS_STRING((PyStringObject *)module); |
| 1823 | name_str = PyString_AS_STRING((PyStringObject *)name); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1824 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1825 | if (self->write_func(self, &inst, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1826 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1827 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1828 | if (self->write_func(self, module_str, module_size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1829 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1830 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1831 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1832 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1833 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1834 | if (self->write_func(self, name_str, name_size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1835 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1836 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1837 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1838 | goto finally; |
| 1839 | } |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1840 | else if (self->write_func(self, &obj, 1) < 0) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1841 | goto finally; |
| 1842 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1843 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1844 | if ((getstate_func = PyObject_GetAttr(args, __getstate___str))) { |
| 1845 | state = PyObject_Call(getstate_func, empty_tuple, NULL); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1846 | if (!state) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1847 | goto finally; |
| 1848 | } |
| 1849 | else { |
| 1850 | PyErr_Clear(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1851 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1852 | if (!( state = PyObject_GetAttr(args, __dict___str))) { |
| 1853 | PyErr_Clear(); |
| 1854 | res = 0; |
| 1855 | goto finally; |
| 1856 | } |
| 1857 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1858 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1859 | if (!PyDict_Check(state)) { |
| 1860 | if (put2(self, args) < 0) |
| 1861 | goto finally; |
| 1862 | } |
| 1863 | else { |
| 1864 | if (put(self, args) < 0) |
| 1865 | goto finally; |
| 1866 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1867 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1868 | if (save(self, state, 0) < 0) |
| 1869 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1870 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1871 | if (self->write_func(self, &build, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1872 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1873 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1874 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1875 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1876 | finally: |
| 1877 | if (self->fast && !fast_save_leave(self, args)) |
| 1878 | res = -1; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1879 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1880 | Py_XDECREF(module); |
| 1881 | Py_XDECREF(class); |
| 1882 | Py_XDECREF(state); |
| 1883 | Py_XDECREF(getinitargs_func); |
| 1884 | Py_XDECREF(getstate_func); |
| 1885 | Py_XDECREF(class_args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1886 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1887 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1888 | } |
| 1889 | |
| 1890 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1891 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1892 | save_global(Picklerobject *self, PyObject *args, PyObject *name) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1893 | { |
Jeremy Hylton | 9ee91f1 | 2002-07-11 22:02:33 +0000 | [diff] [blame] | 1894 | PyObject *global_name = 0, *module = 0, *mod = 0, *klass = 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1895 | char *name_str, *module_str; |
| 1896 | int module_size, name_size, res = -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1897 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1898 | static char global = GLOBAL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1899 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1900 | if (name) { |
| 1901 | global_name = name; |
| 1902 | Py_INCREF(global_name); |
| 1903 | } |
| 1904 | else { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1905 | if (!( global_name = PyObject_GetAttr(args, __name___str))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1906 | goto finally; |
| 1907 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1908 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1909 | if (!( module = whichmodule(args, global_name))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1910 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1911 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1912 | if ((module_size = PyString_Size(module)) < 0 || |
| 1913 | (name_size = PyString_Size(global_name)) < 0) |
| 1914 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1915 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1916 | module_str = PyString_AS_STRING((PyStringObject *)module); |
| 1917 | name_str = PyString_AS_STRING((PyStringObject *)global_name); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1918 | |
Guido van Rossum | 75bfd05 | 2002-12-24 18:10:07 +0000 | [diff] [blame] | 1919 | /* XXX This can be doing a relative import. Clearly it shouldn't, |
| 1920 | but I don't know how to stop it. :-( */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1921 | mod = PyImport_ImportModule(module_str); |
| 1922 | if (mod == NULL) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1923 | cPickle_ErrFormat(PicklingError, |
| 1924 | "Can't pickle %s: it's not found as %s.%s", |
| 1925 | "OSS", args, module, global_name); |
| 1926 | goto finally; |
| 1927 | } |
Jeremy Hylton | 0e1f7a8 | 2002-07-11 22:01:40 +0000 | [diff] [blame] | 1928 | klass = PyObject_GetAttrString(mod, name_str); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1929 | if (klass == NULL) { |
| 1930 | cPickle_ErrFormat(PicklingError, |
| 1931 | "Can't pickle %s: it's not found as %s.%s", |
| 1932 | "OSS", args, module, global_name); |
| 1933 | goto finally; |
| 1934 | } |
| 1935 | if (klass != args) { |
Jeremy Hylton | 0e1f7a8 | 2002-07-11 22:01:40 +0000 | [diff] [blame] | 1936 | Py_DECREF(klass); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1937 | cPickle_ErrFormat(PicklingError, |
| 1938 | "Can't pickle %s: it's not the same object as %s.%s", |
| 1939 | "OSS", args, module, global_name); |
| 1940 | goto finally; |
| 1941 | } |
Jeremy Hylton | 0e1f7a8 | 2002-07-11 22:01:40 +0000 | [diff] [blame] | 1942 | Py_DECREF(klass); |
Guido van Rossum | a92d16a | 2001-08-18 21:22:07 +0000 | [diff] [blame] | 1943 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1944 | if (self->write_func(self, &global, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1945 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1946 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1947 | if (self->write_func(self, module_str, module_size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1948 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1949 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1950 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1951 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1952 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1953 | if (self->write_func(self, name_str, name_size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1954 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1955 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1956 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1957 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1958 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1959 | if (put(self, args) < 0) |
| 1960 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1961 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1962 | res = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1963 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1964 | finally: |
| 1965 | Py_XDECREF(module); |
| 1966 | Py_XDECREF(global_name); |
| 1967 | Py_XDECREF(mod); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1968 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1969 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1970 | } |
| 1971 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1972 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1973 | save_pers(Picklerobject *self, PyObject *args, PyObject *f) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1974 | { |
| 1975 | PyObject *pid = 0; |
| 1976 | int size, res = -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1977 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1978 | static char persid = PERSID, binpersid = BINPERSID; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1979 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1980 | Py_INCREF(args); |
| 1981 | ARG_TUP(self, args); |
| 1982 | if (self->arg) { |
| 1983 | pid = PyObject_Call(f, self->arg, NULL); |
| 1984 | FREE_ARG_TUP(self); |
| 1985 | } |
| 1986 | if (! pid) return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1987 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1988 | if (pid != Py_None) { |
| 1989 | if (!self->bin) { |
| 1990 | if (!PyString_Check(pid)) { |
| 1991 | PyErr_SetString(PicklingError, |
| 1992 | "persistent id must be string"); |
| 1993 | goto finally; |
| 1994 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1995 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 1996 | if (self->write_func(self, &persid, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1997 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1998 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1999 | if ((size = PyString_Size(pid)) < 0) |
| 2000 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2001 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2002 | if (self->write_func(self, |
| 2003 | PyString_AS_STRING( |
| 2004 | (PyStringObject *)pid), |
| 2005 | size) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2006 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2007 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2008 | if (self->write_func(self, "\n", 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2009 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2010 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2011 | res = 1; |
| 2012 | goto finally; |
| 2013 | } |
| 2014 | else if (save(self, pid, 1) >= 0) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2015 | if (self->write_func(self, &binpersid, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2016 | res = -1; |
| 2017 | else |
| 2018 | res = 1; |
| 2019 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2020 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2021 | goto finally; |
| 2022 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2023 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2024 | res = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2025 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2026 | finally: |
| 2027 | Py_XDECREF(pid); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2028 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2029 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2030 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2031 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2032 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2033 | static int |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2034 | save_reduce(Picklerobject *self, PyObject *callable, |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2035 | PyObject *tup, PyObject *state, PyObject *ob) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2036 | { |
| 2037 | static char reduce = REDUCE, build = BUILD; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2038 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2039 | if (save(self, callable, 0) < 0) |
| 2040 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2041 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2042 | if (save(self, tup, 0) < 0) |
| 2043 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2044 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2045 | if (self->write_func(self, &reduce, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2046 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2047 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2048 | if (ob != NULL) { |
| 2049 | if (state && !PyDict_Check(state)) { |
| 2050 | if (put2(self, ob) < 0) |
| 2051 | return -1; |
| 2052 | } |
| 2053 | else { |
| 2054 | if (put(self, ob) < 0) |
| 2055 | return -1; |
| 2056 | } |
| 2057 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2058 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2059 | if (state) { |
| 2060 | if (save(self, state, 0) < 0) |
| 2061 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2062 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2063 | if (self->write_func(self, &build, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2064 | return -1; |
| 2065 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2066 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2067 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2068 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2069 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2070 | static int |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 2071 | save(Picklerobject *self, PyObject *args, int pers_save) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2072 | { |
| 2073 | PyTypeObject *type; |
| 2074 | PyObject *py_ob_id = 0, *__reduce__ = 0, *t = 0, *arg_tup = 0, |
| 2075 | *callable = 0, *state = 0; |
| 2076 | int res = -1, tmp, size; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2077 | |
Martin v. Löwis | 5a39530 | 2002-08-04 08:20:23 +0000 | [diff] [blame] | 2078 | if (self->nesting++ > Py_GetRecursionLimit()){ |
| 2079 | PyErr_SetString(PyExc_RuntimeError, |
| 2080 | "maximum recursion depth exceeded"); |
| 2081 | goto finally; |
| 2082 | } |
| 2083 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2084 | if (!pers_save && self->pers_func) { |
| 2085 | if ((tmp = save_pers(self, args, self->pers_func)) != 0) { |
| 2086 | res = tmp; |
| 2087 | goto finally; |
| 2088 | } |
| 2089 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2090 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2091 | if (args == Py_None) { |
| 2092 | res = save_none(self, args); |
| 2093 | goto finally; |
| 2094 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2095 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2096 | type = args->ob_type; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2097 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2098 | switch (type->tp_name[0]) { |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 2099 | case 'b': |
| 2100 | if (args == Py_False || args == Py_True) { |
| 2101 | res = save_bool(self, args); |
| 2102 | goto finally; |
| 2103 | } |
| 2104 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2105 | case 'i': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2106 | if (type == &PyInt_Type) { |
| 2107 | res = save_int(self, args); |
| 2108 | goto finally; |
| 2109 | } |
| 2110 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2111 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2112 | case 'l': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2113 | if (type == &PyLong_Type) { |
| 2114 | res = save_long(self, args); |
| 2115 | goto finally; |
| 2116 | } |
| 2117 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2118 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2119 | case 'f': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2120 | if (type == &PyFloat_Type) { |
| 2121 | res = save_float(self, args); |
| 2122 | goto finally; |
| 2123 | } |
| 2124 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2125 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2126 | case 't': |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 2127 | if (type == &PyTuple_Type && PyTuple_Size(args) == 0) { |
| 2128 | res = save_tuple(self, args); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2129 | goto finally; |
| 2130 | } |
| 2131 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2132 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2133 | case 's': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2134 | if ((type == &PyString_Type) && (PyString_GET_SIZE(args) < 2)) { |
| 2135 | res = save_string(self, args, 0); |
| 2136 | goto finally; |
| 2137 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2138 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2139 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2140 | case 'u': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2141 | if ((type == &PyUnicode_Type) && (PyString_GET_SIZE(args) < 2)) { |
| 2142 | res = save_unicode(self, args, 0); |
| 2143 | goto finally; |
| 2144 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2145 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2146 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2147 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2148 | if (args->ob_refcnt > 1) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2149 | if (!( py_ob_id = PyLong_FromVoidPtr(args))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 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 | if (PyDict_GetItem(self->memo, py_ob_id)) { |
| 2153 | if (get(self, py_ob_id) < 0) |
| 2154 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2155 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2156 | res = 0; |
| 2157 | goto finally; |
| 2158 | } |
| 2159 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2160 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2161 | switch (type->tp_name[0]) { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2162 | case 's': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2163 | if (type == &PyString_Type) { |
| 2164 | res = save_string(self, args, 1); |
| 2165 | goto finally; |
| 2166 | } |
| 2167 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2168 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2169 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2170 | case 'u': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2171 | if (type == &PyUnicode_Type) { |
| 2172 | res = save_unicode(self, args, 1); |
| 2173 | goto finally; |
| 2174 | } |
| 2175 | break; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2176 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2177 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2178 | case 't': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2179 | if (type == &PyTuple_Type) { |
| 2180 | res = save_tuple(self, args); |
| 2181 | goto finally; |
| 2182 | } |
| 2183 | if (type == &PyType_Type) { |
| 2184 | res = save_global(self, args, NULL); |
| 2185 | goto finally; |
| 2186 | } |
| 2187 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2188 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2189 | case 'l': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2190 | if (type == &PyList_Type) { |
| 2191 | res = save_list(self, args); |
| 2192 | goto finally; |
| 2193 | } |
| 2194 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2195 | |
| 2196 | case 'd': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2197 | if (type == &PyDict_Type) { |
| 2198 | res = save_dict(self, args); |
| 2199 | goto finally; |
| 2200 | } |
| 2201 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2202 | |
| 2203 | case 'i': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2204 | if (type == &PyInstance_Type) { |
| 2205 | res = save_inst(self, args); |
| 2206 | goto finally; |
| 2207 | } |
| 2208 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2209 | |
| 2210 | case 'c': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2211 | if (type == &PyClass_Type) { |
| 2212 | res = save_global(self, args, NULL); |
| 2213 | goto finally; |
| 2214 | } |
| 2215 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2216 | |
| 2217 | case 'f': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2218 | if (type == &PyFunction_Type) { |
| 2219 | res = save_global(self, args, NULL); |
| 2220 | goto finally; |
| 2221 | } |
| 2222 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2223 | |
| 2224 | case 'b': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2225 | if (type == &PyCFunction_Type) { |
| 2226 | res = save_global(self, args, NULL); |
| 2227 | goto finally; |
| 2228 | } |
| 2229 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2230 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2231 | if (!pers_save && self->inst_pers_func) { |
| 2232 | if ((tmp = save_pers(self, args, self->inst_pers_func)) != 0) { |
| 2233 | res = tmp; |
| 2234 | goto finally; |
| 2235 | } |
| 2236 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2237 | |
Jeremy Hylton | 39c6116 | 2002-07-16 19:47:43 +0000 | [diff] [blame] | 2238 | if (PyType_IsSubtype(type, &PyType_Type)) { |
| 2239 | res = save_global(self, args, NULL); |
| 2240 | goto finally; |
| 2241 | } |
| 2242 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2243 | if ((__reduce__ = PyDict_GetItem(dispatch_table, (PyObject *)type))) { |
| 2244 | Py_INCREF(__reduce__); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2245 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2246 | Py_INCREF(args); |
| 2247 | ARG_TUP(self, args); |
| 2248 | if (self->arg) { |
| 2249 | t = PyObject_Call(__reduce__, self->arg, NULL); |
| 2250 | FREE_ARG_TUP(self); |
| 2251 | } |
| 2252 | if (! t) goto finally; |
| 2253 | } |
| 2254 | else { |
| 2255 | PyErr_Clear(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2256 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2257 | if ((__reduce__ = PyObject_GetAttr(args, __reduce___str))) { |
| 2258 | t = PyObject_Call(__reduce__, empty_tuple, NULL); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2259 | if (!t) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2260 | goto finally; |
| 2261 | } |
| 2262 | else { |
| 2263 | PyErr_Clear(); |
| 2264 | } |
| 2265 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2266 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2267 | if (t) { |
| 2268 | if (PyString_Check(t)) { |
| 2269 | res = save_global(self, args, t); |
| 2270 | goto finally; |
| 2271 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2272 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2273 | if (!PyTuple_Check(t)) { |
| 2274 | cPickle_ErrFormat(PicklingError, "Value returned by %s must " |
| 2275 | "be a tuple", "O", __reduce__); |
| 2276 | goto finally; |
| 2277 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2278 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2279 | size = PyTuple_Size(t); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2280 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2281 | if ((size != 3) && (size != 2)) { |
| 2282 | cPickle_ErrFormat(PicklingError, "tuple returned by %s must " |
| 2283 | "contain only two or three elements", "O", __reduce__); |
| 2284 | goto finally; |
| 2285 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2286 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2287 | callable = PyTuple_GET_ITEM(t, 0); |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 2288 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2289 | arg_tup = PyTuple_GET_ITEM(t, 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2290 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2291 | if (size > 2) { |
| 2292 | state = PyTuple_GET_ITEM(t, 2); |
Guido van Rossum | 8e0ad0c | 2003-01-31 21:10:31 +0000 | [diff] [blame] | 2293 | if (state == Py_None) |
| 2294 | state = NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2295 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2296 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2297 | if (!( PyTuple_Check(arg_tup) || arg_tup==Py_None )) { |
| 2298 | cPickle_ErrFormat(PicklingError, "Second element of tuple " |
| 2299 | "returned by %s must be a tuple", "O", __reduce__); |
| 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 | res = save_reduce(self, callable, arg_tup, state, args); |
| 2304 | goto finally; |
| 2305 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2306 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2307 | PyErr_SetObject(UnpickleableError, args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2308 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2309 | finally: |
Martin v. Löwis | 5a39530 | 2002-08-04 08:20:23 +0000 | [diff] [blame] | 2310 | self->nesting--; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2311 | Py_XDECREF(py_ob_id); |
| 2312 | Py_XDECREF(__reduce__); |
| 2313 | Py_XDECREF(t); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2314 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2315 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2316 | } |
| 2317 | |
| 2318 | |
| 2319 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2320 | dump(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2321 | { |
| 2322 | static char stop = STOP; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2323 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 2324 | if (self->proto >= 2) { |
| 2325 | char bytes[2]; |
| 2326 | |
| 2327 | bytes[0] = PROTO; |
Tim Peters | 87482ea | 2003-02-02 16:16:30 +0000 | [diff] [blame] | 2328 | assert(self->proto >= 0 && self->proto < 256); |
| 2329 | bytes[1] = (char)self->proto; |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 2330 | if (self->write_func(self, bytes, 2) < 0) |
| 2331 | return -1; |
| 2332 | } |
| 2333 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2334 | if (save(self, args, 0) < 0) |
| 2335 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2336 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 2337 | if (self->write_func(self, &stop, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2338 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2339 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 2340 | if (self->write_func(self, NULL, 0) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2341 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2342 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2343 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2344 | } |
| 2345 | |
| 2346 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2347 | Pickle_clear_memo(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2348 | { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2349 | if (self->memo) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2350 | PyDict_Clear(self->memo); |
| 2351 | Py_INCREF(Py_None); |
| 2352 | return Py_None; |
| 2353 | } |
| 2354 | |
| 2355 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2356 | Pickle_getvalue(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2357 | { |
| 2358 | int l, i, rsize, ssize, clear=1, lm; |
| 2359 | long ik; |
| 2360 | PyObject *k, *r; |
| 2361 | char *s, *p, *have_get; |
| 2362 | Pdata *data; |
| 2363 | |
| 2364 | /* Can be called by Python code or C code */ |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2365 | if (args && !PyArg_ParseTuple(args, "|i:getvalue", &clear)) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2366 | return NULL; |
| 2367 | |
| 2368 | /* Check to make sure we are based on a list */ |
| 2369 | if (! Pdata_Check(self->file)) { |
| 2370 | PyErr_SetString(PicklingError, |
| 2371 | "Attempt to getvalue() a non-list-based pickler"); |
| 2372 | return NULL; |
| 2373 | } |
| 2374 | |
| 2375 | /* flush write buffer */ |
| 2376 | if (write_other(self, NULL, 0) < 0) return NULL; |
| 2377 | |
| 2378 | data=(Pdata*)self->file; |
| 2379 | l=data->length; |
| 2380 | |
| 2381 | /* set up an array to hold get/put status */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2382 | lm = PyDict_Size(self->memo); |
| 2383 | if (lm < 0) return NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2384 | lm++; |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2385 | have_get = malloc(lm); |
| 2386 | if (have_get == NULL) return PyErr_NoMemory(); |
| 2387 | memset(have_get, 0, lm); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2388 | |
| 2389 | /* Scan for gets. */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2390 | for (rsize = 0, i = l; --i >= 0; ) { |
| 2391 | k = data->data[i]; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2392 | |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2393 | if (PyString_Check(k)) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2394 | rsize += PyString_GET_SIZE(k); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2395 | |
| 2396 | else if (PyInt_Check(k)) { /* put */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2397 | ik = PyInt_AS_LONG((PyIntObject*)k); |
| 2398 | if (ik >= lm || ik == 0) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2399 | PyErr_SetString(PicklingError, |
| 2400 | "Invalid get data"); |
| 2401 | return NULL; |
| 2402 | } |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2403 | if (have_get[ik]) /* with matching get */ |
| 2404 | rsize += ik < 256 ? 2 : 5; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2405 | } |
| 2406 | |
| 2407 | else if (! (PyTuple_Check(k) && |
| 2408 | PyTuple_GET_SIZE(k) == 2 && |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2409 | PyInt_Check((k = PyTuple_GET_ITEM(k, 0)))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2410 | ) { |
| 2411 | PyErr_SetString(PicklingError, |
| 2412 | "Unexpected data in internal list"); |
| 2413 | return NULL; |
| 2414 | } |
| 2415 | |
| 2416 | else { /* put */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2417 | ik = PyInt_AS_LONG((PyIntObject *)k); |
| 2418 | if (ik >= lm || ik == 0) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2419 | PyErr_SetString(PicklingError, |
| 2420 | "Invalid get data"); |
| 2421 | return NULL; |
| 2422 | } |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2423 | have_get[ik] = 1; |
| 2424 | rsize += ik < 256 ? 2 : 5; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2425 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2426 | } |
| 2427 | |
| 2428 | /* Now generate the result */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2429 | r = PyString_FromStringAndSize(NULL, rsize); |
| 2430 | if (r == NULL) goto err; |
| 2431 | s = PyString_AS_STRING((PyStringObject *)r); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2432 | |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2433 | for (i = 0; i < l; i++) { |
| 2434 | k = data->data[i]; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2435 | |
| 2436 | if (PyString_Check(k)) { |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2437 | ssize = PyString_GET_SIZE(k); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2438 | if (ssize) { |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2439 | p=PyString_AS_STRING((PyStringObject *)k); |
| 2440 | while (--ssize >= 0) |
| 2441 | *s++ = *p++; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2442 | } |
| 2443 | } |
| 2444 | |
| 2445 | else if (PyTuple_Check(k)) { /* get */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2446 | ik = PyInt_AS_LONG((PyIntObject *) |
| 2447 | PyTuple_GET_ITEM(k, 0)); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2448 | if (ik < 256) { |
| 2449 | *s++ = BINGET; |
| 2450 | *s++ = (int)(ik & 0xff); |
| 2451 | } |
| 2452 | else { |
| 2453 | *s++ = LONG_BINGET; |
| 2454 | *s++ = (int)(ik & 0xff); |
| 2455 | *s++ = (int)((ik >> 8) & 0xff); |
| 2456 | *s++ = (int)((ik >> 16) & 0xff); |
| 2457 | *s++ = (int)((ik >> 24) & 0xff); |
| 2458 | } |
| 2459 | } |
| 2460 | |
| 2461 | else { /* put */ |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2462 | ik = PyInt_AS_LONG((PyIntObject*)k); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2463 | |
| 2464 | if (have_get[ik]) { /* with matching get */ |
| 2465 | if (ik < 256) { |
| 2466 | *s++ = BINPUT; |
| 2467 | *s++ = (int)(ik & 0xff); |
| 2468 | } |
| 2469 | else { |
| 2470 | *s++ = LONG_BINPUT; |
| 2471 | *s++ = (int)(ik & 0xff); |
| 2472 | *s++ = (int)((ik >> 8) & 0xff); |
| 2473 | *s++ = (int)((ik >> 16) & 0xff); |
| 2474 | *s++ = (int)((ik >> 24) & 0xff); |
| 2475 | } |
| 2476 | } |
| 2477 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2478 | } |
| 2479 | |
| 2480 | if (clear) { |
| 2481 | PyDict_Clear(self->memo); |
Tim Peters | ac5687a | 2003-02-02 18:08:34 +0000 | [diff] [blame] | 2482 | Pdata_clear(data, 0); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2483 | } |
| 2484 | |
| 2485 | free(have_get); |
| 2486 | return r; |
| 2487 | err: |
| 2488 | free(have_get); |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2489 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2490 | } |
| 2491 | |
| 2492 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2493 | Pickler_dump(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2494 | { |
| 2495 | PyObject *ob; |
| 2496 | int get=0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2497 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2498 | if (!( PyArg_ParseTuple(args, "O|i:dump", &ob, &get))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2499 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2500 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2501 | if (dump(self, ob) < 0) |
| 2502 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2503 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2504 | if (get) return Pickle_getvalue(self, NULL); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2505 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2506 | /* XXX Why does dump() return self? */ |
| 2507 | Py_INCREF(self); |
| 2508 | return (PyObject*)self; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2509 | } |
| 2510 | |
| 2511 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2512 | static struct PyMethodDef Pickler_methods[] = |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2513 | { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 2514 | {"dump", (PyCFunction)Pickler_dump, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 2515 | PyDoc_STR("dump(object) -- " |
| 2516 | "Write an object in pickle format to the object's pickle stream")}, |
Fred Drake | 0ebacc8 | 2002-05-01 20:36:39 +0000 | [diff] [blame] | 2517 | {"clear_memo", (PyCFunction)Pickle_clear_memo, METH_NOARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 2518 | PyDoc_STR("clear_memo() -- Clear the picklers memo")}, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 2519 | {"getvalue", (PyCFunction)Pickle_getvalue, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 2520 | PyDoc_STR("getvalue() -- Finish picking a list-based pickle")}, |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2521 | {NULL, NULL} /* sentinel */ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2522 | }; |
| 2523 | |
| 2524 | |
| 2525 | static Picklerobject * |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2526 | newPicklerobject(PyObject *file, int proto) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2527 | { |
| 2528 | Picklerobject *self; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2529 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2530 | if (proto < 0) |
| 2531 | proto = CURRENT_PROTOCOL_NUMBER; |
| 2532 | if (proto > CURRENT_PROTOCOL_NUMBER) { |
| 2533 | PyErr_Format(PyExc_ValueError, "pickle protocol %d asked for; " |
| 2534 | "the highest available protocol is %d", |
| 2535 | proto, CURRENT_PROTOCOL_NUMBER); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2536 | return NULL; |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2537 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2538 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2539 | self = PyObject_New(Picklerobject, &Picklertype); |
| 2540 | if (self == NULL) |
| 2541 | return NULL; |
| 2542 | self->proto = proto; |
| 2543 | self->bin = proto > 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2544 | self->fp = NULL; |
| 2545 | self->write = NULL; |
| 2546 | self->memo = NULL; |
| 2547 | self->arg = NULL; |
| 2548 | self->pers_func = NULL; |
| 2549 | self->inst_pers_func = NULL; |
| 2550 | self->write_buf = NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2551 | self->fast = 0; |
Martin v. Löwis | 5a39530 | 2002-08-04 08:20:23 +0000 | [diff] [blame] | 2552 | self->nesting = 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2553 | self->fast_container = 0; |
| 2554 | self->fast_memo = NULL; |
| 2555 | self->buf_size = 0; |
| 2556 | self->dispatch_table = NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2557 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2558 | self->file = NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2559 | if (file) |
| 2560 | Py_INCREF(file); |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2561 | else { |
| 2562 | file = Pdata_New(); |
| 2563 | if (file == NULL) |
| 2564 | goto err; |
| 2565 | } |
| 2566 | self->file = file; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2567 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2568 | if (!( self->memo = PyDict_New())) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2569 | goto err; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2570 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2571 | if (PyFile_Check(file)) { |
| 2572 | self->fp = PyFile_AsFile(file); |
| 2573 | if (self->fp == NULL) { |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2574 | PyErr_SetString(PyExc_ValueError, |
| 2575 | "I/O operation on closed file"); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2576 | goto err; |
| 2577 | } |
| 2578 | self->write_func = write_file; |
Guido van Rossum | c91fcaa | 1999-03-29 20:00:14 +0000 | [diff] [blame] | 2579 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2580 | else if (PycStringIO_OutputCheck(file)) { |
| 2581 | self->write_func = write_cStringIO; |
| 2582 | } |
| 2583 | else if (file == Py_None) { |
| 2584 | self->write_func = write_none; |
| 2585 | } |
| 2586 | else { |
| 2587 | self->write_func = write_other; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2588 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2589 | if (! Pdata_Check(file)) { |
| 2590 | self->write = PyObject_GetAttr(file, write_str); |
| 2591 | if (!self->write) { |
| 2592 | PyErr_Clear(); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2593 | PyErr_SetString(PyExc_TypeError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2594 | "argument must have 'write' " |
| 2595 | "attribute"); |
| 2596 | goto err; |
| 2597 | } |
| 2598 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2599 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2600 | self->write_buf = (char *)PyMem_Malloc(WRITE_BUF_SIZE); |
| 2601 | if (self->write_buf == NULL) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2602 | PyErr_NoMemory(); |
| 2603 | goto err; |
| 2604 | } |
| 2605 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2606 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2607 | if (PyEval_GetRestricted()) { |
| 2608 | /* Restricted execution, get private tables */ |
| 2609 | PyObject *m; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2610 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2611 | if (!( m=PyImport_Import(copy_reg_str))) goto err; |
| 2612 | self->dispatch_table=PyObject_GetAttr(m, dispatch_table_str); |
| 2613 | Py_DECREF(m); |
| 2614 | if (!( self->dispatch_table )) goto err; |
| 2615 | } |
| 2616 | else { |
| 2617 | self->dispatch_table=dispatch_table; |
| 2618 | Py_INCREF(dispatch_table); |
| 2619 | } |
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 | return self; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2622 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2623 | err: |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2624 | Py_DECREF(self); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2625 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2626 | } |
| 2627 | |
| 2628 | |
| 2629 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2630 | get_Pickler(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2631 | { |
| 2632 | PyObject *file = NULL; |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2633 | int proto = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2634 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2635 | /* XXX What is this doing? The documented signature is |
| 2636 | * XXX Pickler(file, proto=0), but this accepts Pickler() and |
| 2637 | * XXX Pickler(integer) too. The meaning then is clear as mud. |
| 2638 | * XXX Bug? Feature? |
| 2639 | */ |
| 2640 | if (!PyArg_ParseTuple(args, "|i:Pickler", &proto)) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2641 | PyErr_Clear(); |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2642 | proto = 0; |
| 2643 | if (!PyArg_ParseTuple(args, "O|i:Pickler", &file, &proto)) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2644 | return NULL; |
| 2645 | } |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2646 | return (PyObject *)newPicklerobject(file, proto); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2647 | } |
| 2648 | |
| 2649 | |
| 2650 | static void |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2651 | Pickler_dealloc(Picklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2652 | { |
| 2653 | Py_XDECREF(self->write); |
| 2654 | Py_XDECREF(self->memo); |
| 2655 | Py_XDECREF(self->fast_memo); |
| 2656 | Py_XDECREF(self->arg); |
| 2657 | Py_XDECREF(self->file); |
| 2658 | Py_XDECREF(self->pers_func); |
| 2659 | Py_XDECREF(self->inst_pers_func); |
| 2660 | Py_XDECREF(self->dispatch_table); |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2661 | PyMem_Free(self->write_buf); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2662 | PyObject_Del(self); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2663 | } |
| 2664 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2665 | static PyObject * |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2666 | Pickler_get_pers_func(Picklerobject *p) |
| 2667 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2668 | if (p->pers_func == NULL) |
| 2669 | PyErr_SetString(PyExc_AttributeError, "persistent_id"); |
| 2670 | else |
| 2671 | Py_INCREF(p->pers_func); |
| 2672 | return p->pers_func; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2673 | } |
| 2674 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2675 | static int |
| 2676 | Pickler_set_pers_func(Picklerobject *p, PyObject *v) |
| 2677 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2678 | if (v == NULL) { |
| 2679 | PyErr_SetString(PyExc_TypeError, |
| 2680 | "attribute deletion is not supported"); |
| 2681 | return -1; |
| 2682 | } |
| 2683 | Py_XDECREF(p->pers_func); |
| 2684 | Py_INCREF(v); |
| 2685 | p->pers_func = v; |
| 2686 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2687 | } |
| 2688 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2689 | static int |
| 2690 | Pickler_set_inst_pers_func(Picklerobject *p, PyObject *v) |
| 2691 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2692 | if (v == NULL) { |
| 2693 | PyErr_SetString(PyExc_TypeError, |
| 2694 | "attribute deletion is not supported"); |
| 2695 | return -1; |
| 2696 | } |
| 2697 | Py_XDECREF(p->inst_pers_func); |
| 2698 | Py_INCREF(v); |
| 2699 | p->inst_pers_func = v; |
| 2700 | return 0; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2701 | } |
| 2702 | |
| 2703 | static PyObject * |
| 2704 | Pickler_get_memo(Picklerobject *p) |
| 2705 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2706 | if (p->memo == NULL) |
| 2707 | PyErr_SetString(PyExc_AttributeError, "memo"); |
| 2708 | else |
| 2709 | Py_INCREF(p->memo); |
| 2710 | return p->memo; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2711 | } |
| 2712 | |
| 2713 | static int |
| 2714 | Pickler_set_memo(Picklerobject *p, PyObject *v) |
| 2715 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2716 | if (v == NULL) { |
| 2717 | PyErr_SetString(PyExc_TypeError, |
| 2718 | "attribute deletion is not supported"); |
| 2719 | return -1; |
| 2720 | } |
| 2721 | if (!PyDict_Check(v)) { |
| 2722 | PyErr_SetString(PyExc_TypeError, "memo must be a dictionary"); |
| 2723 | return -1; |
| 2724 | } |
| 2725 | Py_XDECREF(p->memo); |
| 2726 | Py_INCREF(v); |
| 2727 | p->memo = v; |
| 2728 | return 0; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2729 | } |
| 2730 | |
| 2731 | static PyObject * |
| 2732 | Pickler_get_error(Picklerobject *p) |
| 2733 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2734 | /* why is this an attribute on the Pickler? */ |
| 2735 | Py_INCREF(PicklingError); |
| 2736 | return PicklingError; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2737 | } |
| 2738 | |
| 2739 | static PyMemberDef Pickler_members[] = { |
| 2740 | {"binary", T_INT, offsetof(Picklerobject, bin)}, |
| 2741 | {"fast", T_INT, offsetof(Picklerobject, fast)}, |
Jeremy Hylton | 3eb46f3 | 2001-10-16 17:10:49 +0000 | [diff] [blame] | 2742 | {NULL} |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2743 | }; |
| 2744 | |
| 2745 | static PyGetSetDef Pickler_getsets[] = { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2746 | {"persistent_id", (getter)Pickler_get_pers_func, |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2747 | (setter)Pickler_set_pers_func}, |
| 2748 | {"inst_persistent_id", NULL, (setter)Pickler_set_inst_pers_func}, |
| 2749 | {"memo", (getter)Pickler_get_memo, (setter)Pickler_set_memo}, |
Jeremy Hylton | 3eb46f3 | 2001-10-16 17:10:49 +0000 | [diff] [blame] | 2750 | {"PicklingError", (getter)Pickler_get_error, NULL}, |
| 2751 | {NULL} |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2752 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2753 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 2754 | PyDoc_STRVAR(Picklertype__doc__, |
| 2755 | "Objects that know how to pickle objects\n"); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2756 | |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 2757 | static PyTypeObject Picklertype = { |
| 2758 | PyObject_HEAD_INIT(NULL) |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2759 | 0, /*ob_size*/ |
Guido van Rossum | 1464839 | 2001-12-08 18:02:58 +0000 | [diff] [blame] | 2760 | "cPickle.Pickler", /*tp_name*/ |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2761 | sizeof(Picklerobject), /*tp_basicsize*/ |
| 2762 | 0, |
| 2763 | (destructor)Pickler_dealloc, /* tp_dealloc */ |
| 2764 | 0, /* tp_print */ |
| 2765 | 0, /* tp_getattr */ |
| 2766 | 0, /* tp_setattr */ |
| 2767 | 0, /* tp_compare */ |
| 2768 | 0, /* tp_repr */ |
| 2769 | 0, /* tp_as_number */ |
| 2770 | 0, /* tp_as_sequence */ |
| 2771 | 0, /* tp_as_mapping */ |
| 2772 | 0, /* tp_hash */ |
| 2773 | 0, /* tp_call */ |
| 2774 | 0, /* tp_str */ |
Jason Tishler | fb8595d | 2003-01-06 12:41:26 +0000 | [diff] [blame] | 2775 | PyObject_GenericGetAttr, /* tp_getattro */ |
| 2776 | PyObject_GenericSetAttr, /* tp_setattro */ |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2777 | 0, /* tp_as_buffer */ |
| 2778 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */ |
| 2779 | Picklertype__doc__, /* tp_doc */ |
| 2780 | 0, /* tp_traverse */ |
| 2781 | 0, /* tp_clear */ |
| 2782 | 0, /* tp_richcompare */ |
| 2783 | 0, /* tp_weaklistoffset */ |
| 2784 | 0, /* tp_iter */ |
| 2785 | 0, /* tp_iternext */ |
| 2786 | Pickler_methods, /* tp_methods */ |
| 2787 | Pickler_members, /* tp_members */ |
| 2788 | Pickler_getsets, /* tp_getset */ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 2789 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2790 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2791 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2792 | 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] | 2793 | { |
| 2794 | PyObject *global = 0, *module; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2795 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2796 | if (fc) { |
| 2797 | if (fc==Py_None) { |
| 2798 | PyErr_SetString(UnpicklingError, |
| 2799 | "Global and instance pickles are not supported."); |
| 2800 | return NULL; |
| 2801 | } |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2802 | return PyObject_CallFunction(fc, "OO", py_module_name, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2803 | py_global_name); |
| 2804 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 2805 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2806 | module = PySys_GetObject("modules"); |
| 2807 | if (module == NULL) |
| 2808 | return NULL; |
Jeremy Hylton | d105523 | 1998-08-11 19:52:51 +0000 | [diff] [blame] | 2809 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2810 | module = PyDict_GetItem(module, py_module_name); |
| 2811 | if (module == NULL) { |
| 2812 | module = PyImport_Import(py_module_name); |
| 2813 | if (!module) |
| 2814 | return NULL; |
| 2815 | global = PyObject_GetAttr(module, py_global_name); |
| 2816 | Py_DECREF(module); |
| 2817 | } |
| 2818 | else |
| 2819 | global = PyObject_GetAttr(module, py_global_name); |
| 2820 | return global; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2821 | } |
| 2822 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2823 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2824 | marker(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2825 | { |
| 2826 | if (self->num_marks < 1) { |
| 2827 | PyErr_SetString(UnpicklingError, "could not find MARK"); |
| 2828 | return -1; |
| 2829 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2830 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2831 | return self->marks[--self->num_marks]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2832 | } |
| 2833 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2834 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2835 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2836 | load_none(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2837 | { |
| 2838 | PDATA_APPEND(self->stack, Py_None, -1); |
| 2839 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2840 | } |
| 2841 | |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 2842 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2843 | bad_readline(void) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2844 | { |
| 2845 | PyErr_SetString(UnpicklingError, "pickle data was truncated"); |
| 2846 | return -1; |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 2847 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2848 | |
| 2849 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2850 | load_int(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2851 | { |
| 2852 | PyObject *py_int = 0; |
| 2853 | char *endptr, *s; |
| 2854 | int len, res = -1; |
| 2855 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2856 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2857 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2858 | if (len < 2) return bad_readline(); |
| 2859 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2860 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2861 | errno = 0; |
| 2862 | l = strtol(s, &endptr, 0); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2863 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2864 | if (errno || (*endptr != '\n') || (endptr[1] != '\0')) { |
| 2865 | /* Hm, maybe we've got something long. Let's try reading |
| 2866 | it as a Python long object. */ |
| 2867 | errno = 0; |
| 2868 | py_int = PyLong_FromString(s, NULL, 0); |
| 2869 | if (py_int == NULL) { |
| 2870 | PyErr_SetString(PyExc_ValueError, |
| 2871 | "could not convert string to int"); |
| 2872 | goto finally; |
| 2873 | } |
| 2874 | } |
| 2875 | else { |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 2876 | if (len == 3 && (l == 0 || l == 1)) { |
| 2877 | if (!( py_int = PyBool_FromLong(l))) goto finally; |
| 2878 | } |
| 2879 | else { |
| 2880 | if (!( py_int = PyInt_FromLong(l))) goto finally; |
| 2881 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2882 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2883 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2884 | free(s); |
| 2885 | PDATA_PUSH(self->stack, py_int, -1); |
| 2886 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2887 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2888 | finally: |
| 2889 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2890 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2891 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2892 | } |
| 2893 | |
Tim Peters | 3c67d79 | 2003-02-02 17:59:11 +0000 | [diff] [blame] | 2894 | static int |
| 2895 | load_bool(Unpicklerobject *self, PyObject *boolean) |
| 2896 | { |
| 2897 | assert(boolean == Py_True || boolean == Py_False); |
Tim Peters | e0a3907 | 2003-02-03 15:45:56 +0000 | [diff] [blame^] | 2898 | PDATA_APPEND(self->stack, boolean, -1); |
Tim Peters | 3c67d79 | 2003-02-02 17:59:11 +0000 | [diff] [blame] | 2899 | return 0; |
| 2900 | } |
| 2901 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 2902 | /* s contains x bytes of a little-endian integer. Return its value as a |
| 2903 | * C int. Obscure: when x is 1 or 2, this is an unsigned little-endian |
| 2904 | * int, but when x is 4 it's a signed one. This is an historical source |
| 2905 | * of x-platform bugs. |
| 2906 | */ |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2907 | static long |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 2908 | calc_binint(char *s, int x) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2909 | { |
| 2910 | unsigned char c; |
| 2911 | int i; |
| 2912 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2913 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2914 | for (i = 0, l = 0L; i < x; i++) { |
| 2915 | c = (unsigned char)s[i]; |
| 2916 | l |= (long)c << (i * 8); |
| 2917 | } |
Tim Peters | bfa18f7 | 2001-04-10 01:54:42 +0000 | [diff] [blame] | 2918 | #if SIZEOF_LONG > 4 |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2919 | /* Unlike BININT1 and BININT2, BININT (more accurately BININT4) |
| 2920 | * is signed, so on a box with longs bigger than 4 bytes we need |
| 2921 | * to extend a BININT's sign bit to the full width. |
| 2922 | */ |
| 2923 | if (x == 4 && l & (1L << 31)) |
| 2924 | l |= (~0L) << 32; |
Tim Peters | bfa18f7 | 2001-04-10 01:54:42 +0000 | [diff] [blame] | 2925 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2926 | return l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2927 | } |
| 2928 | |
| 2929 | |
| 2930 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2931 | load_binintx(Unpicklerobject *self, char *s, int x) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2932 | { |
| 2933 | PyObject *py_int = 0; |
| 2934 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2935 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2936 | l = calc_binint(s, x); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2937 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2938 | if (!( py_int = PyInt_FromLong(l))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2939 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2940 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2941 | PDATA_PUSH(self->stack, py_int, -1); |
| 2942 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2943 | } |
| 2944 | |
| 2945 | |
| 2946 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2947 | load_binint(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2948 | { |
| 2949 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2950 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2951 | if (self->read_func(self, &s, 4) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2952 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2953 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2954 | return load_binintx(self, s, 4); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2955 | } |
| 2956 | |
| 2957 | |
| 2958 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2959 | load_binint1(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2960 | { |
| 2961 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2962 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2963 | if (self->read_func(self, &s, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2964 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2965 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2966 | return load_binintx(self, s, 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2967 | } |
| 2968 | |
| 2969 | |
| 2970 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2971 | load_binint2(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2972 | { |
| 2973 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2974 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2975 | if (self->read_func(self, &s, 2) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2976 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2977 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2978 | return load_binintx(self, s, 2); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2979 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2980 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2981 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2982 | load_long(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2983 | { |
| 2984 | PyObject *l = 0; |
| 2985 | char *end, *s; |
| 2986 | int len, res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2987 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 2988 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2989 | if (len < 2) return bad_readline(); |
| 2990 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2991 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2992 | if (!( l = PyLong_FromString(s, &end, 0))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2993 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2994 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2995 | free(s); |
| 2996 | PDATA_PUSH(self->stack, l, -1); |
| 2997 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2998 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2999 | finally: |
| 3000 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3001 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3002 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3003 | } |
| 3004 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 3005 | /* 'size' bytes contain the # of bytes of little-endian 256's-complement |
| 3006 | * data following. |
| 3007 | */ |
| 3008 | static int |
| 3009 | load_counted_long(Unpicklerobject *self, int size) |
| 3010 | { |
| 3011 | int i; |
| 3012 | char *nbytes; |
| 3013 | unsigned char *pdata; |
| 3014 | PyObject *along; |
| 3015 | |
| 3016 | assert(size == 1 || size == 4); |
| 3017 | i = self->read_func(self, &nbytes, size); |
| 3018 | if (i < 0) return -1; |
| 3019 | |
| 3020 | size = calc_binint(nbytes, size); |
| 3021 | if (size < 0) { |
| 3022 | /* Corrupt or hostile pickle -- we never write one like |
| 3023 | * this. |
| 3024 | */ |
| 3025 | PyErr_SetString(PyExc_ValueError, "LONG pickle has negative " |
| 3026 | "byte count"); |
| 3027 | return -1; |
| 3028 | } |
| 3029 | |
| 3030 | if (size == 0) |
| 3031 | along = PyLong_FromLong(0L); |
| 3032 | else { |
| 3033 | /* Read the raw little-endian bytes & convert. */ |
Neal Norwitz | 529baf2 | 2003-02-02 17:08:33 +0000 | [diff] [blame] | 3034 | i = self->read_func(self, (char **)&pdata, size); |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 3035 | if (i < 0) return -1; |
| 3036 | along = _PyLong_FromByteArray(pdata, (size_t)size, |
| 3037 | 1 /* little endian */, 1 /* signed */); |
| 3038 | } |
| 3039 | if (along == NULL) |
| 3040 | return -1; |
| 3041 | PDATA_PUSH(self->stack, along, -1); |
| 3042 | return 0; |
| 3043 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3044 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3045 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3046 | load_float(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3047 | { |
| 3048 | PyObject *py_float = 0; |
| 3049 | char *endptr, *s; |
| 3050 | int len, res = -1; |
| 3051 | double d; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3052 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3053 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3054 | if (len < 2) return bad_readline(); |
| 3055 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3056 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3057 | errno = 0; |
| 3058 | d = strtod(s, &endptr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3059 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3060 | if (errno || (endptr[0] != '\n') || (endptr[1] != '\0')) { |
| 3061 | PyErr_SetString(PyExc_ValueError, |
| 3062 | "could not convert string to float"); |
| 3063 | goto finally; |
| 3064 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3065 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3066 | if (!( py_float = PyFloat_FromDouble(d))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3067 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3068 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3069 | free(s); |
| 3070 | PDATA_PUSH(self->stack, py_float, -1); |
| 3071 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3072 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3073 | finally: |
| 3074 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3075 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3076 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3077 | } |
| 3078 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3079 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3080 | load_binfloat(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3081 | { |
| 3082 | PyObject *py_float = 0; |
| 3083 | int s, e; |
| 3084 | long fhi, flo; |
| 3085 | double x; |
| 3086 | char *p; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3087 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3088 | if (self->read_func(self, &p, 8) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3089 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3090 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3091 | /* First byte */ |
| 3092 | s = (*p>>7) & 1; |
| 3093 | e = (*p & 0x7F) << 4; |
| 3094 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3095 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3096 | /* Second byte */ |
| 3097 | e |= (*p>>4) & 0xF; |
| 3098 | fhi = (*p & 0xF) << 24; |
| 3099 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3100 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3101 | /* Third byte */ |
| 3102 | fhi |= (*p & 0xFF) << 16; |
| 3103 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3104 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3105 | /* Fourth byte */ |
| 3106 | fhi |= (*p & 0xFF) << 8; |
| 3107 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3108 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3109 | /* Fifth byte */ |
| 3110 | fhi |= *p & 0xFF; |
| 3111 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3112 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3113 | /* Sixth byte */ |
| 3114 | flo = (*p & 0xFF) << 16; |
| 3115 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3116 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3117 | /* Seventh byte */ |
| 3118 | flo |= (*p & 0xFF) << 8; |
| 3119 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3120 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3121 | /* Eighth byte */ |
| 3122 | flo |= *p & 0xFF; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3123 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3124 | x = (double)fhi + (double)flo / 16777216.0; /* 2**24 */ |
| 3125 | x /= 268435456.0; /* 2**28 */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3126 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3127 | /* XXX This sadly ignores Inf/NaN */ |
| 3128 | if (e == 0) |
| 3129 | e = -1022; |
| 3130 | else { |
| 3131 | x += 1.0; |
| 3132 | e -= 1023; |
| 3133 | } |
| 3134 | x = ldexp(x, e); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3135 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3136 | if (s) |
| 3137 | x = -x; |
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 | if (!( py_float = PyFloat_FromDouble(x))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3140 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3141 | PDATA_PUSH(self->stack, py_float, -1); |
| 3142 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3143 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3144 | |
| 3145 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3146 | load_string(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3147 | { |
| 3148 | PyObject *str = 0; |
Martin v. Löwis | 8a8da79 | 2002-08-14 07:46:28 +0000 | [diff] [blame] | 3149 | int len, res = -1; |
| 3150 | char *s, *p; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3151 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3152 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3153 | if (len < 2) return bad_readline(); |
| 3154 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3155 | |
Martin v. Löwis | 8a8da79 | 2002-08-14 07:46:28 +0000 | [diff] [blame] | 3156 | |
| 3157 | /* Strip outermost quotes */ |
| 3158 | while (s[len-1] <= ' ') |
| 3159 | len--; |
| 3160 | if(s[0]=='"' && s[len-1]=='"'){ |
| 3161 | s[len-1] = '\0'; |
| 3162 | p = s + 1 ; |
| 3163 | len -= 2; |
| 3164 | } else if(s[0]=='\'' && s[len-1]=='\''){ |
| 3165 | s[len-1] = '\0'; |
| 3166 | p = s + 1 ; |
| 3167 | len -= 2; |
| 3168 | } else |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3169 | goto insecure; |
| 3170 | /********************************************/ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 3171 | |
Martin v. Löwis | 8a8da79 | 2002-08-14 07:46:28 +0000 | [diff] [blame] | 3172 | str = PyString_DecodeEscape(p, len, NULL, 0, NULL); |
| 3173 | if (str) { |
| 3174 | PDATA_PUSH(self->stack, str, -1); |
| 3175 | res = 0; |
| 3176 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3177 | free(s); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3178 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3179 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3180 | insecure: |
| 3181 | free(s); |
| 3182 | PyErr_SetString(PyExc_ValueError,"insecure string pickle"); |
| 3183 | return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3184 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3185 | |
| 3186 | |
| 3187 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3188 | load_binstring(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3189 | { |
| 3190 | PyObject *py_string = 0; |
| 3191 | long l; |
| 3192 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3193 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3194 | if (self->read_func(self, &s, 4) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3195 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3196 | l = calc_binint(s, 4); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3197 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3198 | if (self->read_func(self, &s, l) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3199 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3200 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3201 | if (!( py_string = PyString_FromStringAndSize(s, l))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3202 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3203 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3204 | PDATA_PUSH(self->stack, py_string, -1); |
| 3205 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3206 | } |
| 3207 | |
| 3208 | |
| 3209 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3210 | load_short_binstring(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3211 | { |
| 3212 | PyObject *py_string = 0; |
| 3213 | unsigned char l; |
| 3214 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3215 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3216 | if (self->read_func(self, &s, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3217 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3218 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3219 | l = (unsigned char)s[0]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3220 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3221 | if (self->read_func(self, &s, l) < 0) 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 | if (!( py_string = PyString_FromStringAndSize(s, l))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3224 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3225 | PDATA_PUSH(self->stack, py_string, -1); |
| 3226 | return 0; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3227 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3228 | |
| 3229 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3230 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3231 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3232 | load_unicode(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3233 | { |
| 3234 | PyObject *str = 0; |
| 3235 | int len, res = -1; |
| 3236 | char *s; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3237 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3238 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3239 | if (len < 1) return bad_readline(); |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3240 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3241 | if (!( str = PyUnicode_DecodeRawUnicodeEscape(s, len - 1, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3242 | goto finally; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3243 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3244 | PDATA_PUSH(self->stack, str, -1); |
| 3245 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3246 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3247 | finally: |
| 3248 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3249 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3250 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3251 | |
| 3252 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3253 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3254 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3255 | load_binunicode(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3256 | { |
| 3257 | PyObject *unicode; |
| 3258 | long l; |
| 3259 | char *s; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3260 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3261 | if (self->read_func(self, &s, 4) < 0) return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3262 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3263 | l = calc_binint(s, 4); |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3264 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3265 | if (self->read_func(self, &s, l) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3266 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3267 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3268 | if (!( unicode = PyUnicode_DecodeUTF8(s, l, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3269 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3270 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3271 | PDATA_PUSH(self->stack, unicode, -1); |
| 3272 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3273 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3274 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3275 | |
| 3276 | |
| 3277 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3278 | load_tuple(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3279 | { |
| 3280 | PyObject *tup; |
| 3281 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3282 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3283 | if ((i = marker(self)) < 0) return -1; |
| 3284 | if (!( tup=Pdata_popTuple(self->stack, i))) return -1; |
| 3285 | PDATA_PUSH(self->stack, tup, -1); |
| 3286 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3287 | } |
| 3288 | |
| 3289 | static int |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 3290 | load_counted_tuple(Unpicklerobject *self, int len) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3291 | { |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 3292 | PyObject *tup = PyTuple_New(len); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3293 | |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 3294 | if (tup == NULL) |
| 3295 | return -1; |
| 3296 | |
| 3297 | while (--len >= 0) { |
| 3298 | PyObject *element; |
| 3299 | |
| 3300 | PDATA_POP(self->stack, element); |
| 3301 | if (element == NULL) |
| 3302 | return -1; |
| 3303 | PyTuple_SET_ITEM(tup, len, element); |
| 3304 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3305 | PDATA_PUSH(self->stack, tup, -1); |
| 3306 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3307 | } |
| 3308 | |
| 3309 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3310 | load_empty_list(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3311 | { |
| 3312 | PyObject *list; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3313 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3314 | if (!( list=PyList_New(0))) return -1; |
| 3315 | PDATA_PUSH(self->stack, list, -1); |
| 3316 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3317 | } |
| 3318 | |
| 3319 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3320 | load_empty_dict(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3321 | { |
| 3322 | PyObject *dict; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3323 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3324 | if (!( dict=PyDict_New())) return -1; |
| 3325 | PDATA_PUSH(self->stack, dict, -1); |
| 3326 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3327 | } |
| 3328 | |
| 3329 | |
| 3330 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3331 | load_list(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3332 | { |
| 3333 | PyObject *list = 0; |
| 3334 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3335 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3336 | if ((i = marker(self)) < 0) return -1; |
| 3337 | if (!( list=Pdata_popList(self->stack, i))) return -1; |
| 3338 | PDATA_PUSH(self->stack, list, -1); |
| 3339 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3340 | } |
| 3341 | |
| 3342 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3343 | load_dict(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3344 | { |
| 3345 | PyObject *dict, *key, *value; |
| 3346 | int i, j, k; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3347 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3348 | if ((i = marker(self)) < 0) return -1; |
| 3349 | j=self->stack->length; |
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 | if (!( dict = PyDict_New())) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3352 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3353 | for (k = i+1; k < j; k += 2) { |
| 3354 | key =self->stack->data[k-1]; |
| 3355 | value=self->stack->data[k ]; |
| 3356 | if (PyDict_SetItem(dict, key, value) < 0) { |
| 3357 | Py_DECREF(dict); |
| 3358 | return -1; |
| 3359 | } |
| 3360 | } |
| 3361 | Pdata_clear(self->stack, i); |
| 3362 | PDATA_PUSH(self->stack, dict, -1); |
| 3363 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3364 | } |
| 3365 | |
| 3366 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3367 | Instance_New(PyObject *cls, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3368 | { |
Tim Peters | 1f1b2d2 | 2003-02-01 02:16:37 +0000 | [diff] [blame] | 3369 | PyObject *r = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3370 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3371 | if (PyClass_Check(cls)) { |
| 3372 | int l; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3373 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3374 | if ((l=PyObject_Size(args)) < 0) goto err; |
| 3375 | if (!( l )) { |
| 3376 | PyObject *__getinitargs__; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3377 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3378 | __getinitargs__ = PyObject_GetAttr(cls, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3379 | __getinitargs___str); |
| 3380 | if (!__getinitargs__) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3381 | /* We have a class with no __getinitargs__, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3382 | so bypass usual construction */ |
| 3383 | PyObject *inst; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3384 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3385 | PyErr_Clear(); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3386 | if (!( inst=PyInstance_NewRaw(cls, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3387 | goto err; |
| 3388 | return inst; |
| 3389 | } |
| 3390 | Py_DECREF(__getinitargs__); |
| 3391 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3392 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3393 | if ((r=PyInstance_New(cls, args, NULL))) return r; |
| 3394 | else goto err; |
| 3395 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3396 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3397 | if (args==Py_None) { |
| 3398 | /* Special case, call cls.__basicnew__() */ |
| 3399 | PyObject *basicnew; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3400 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3401 | basicnew = PyObject_GetAttr(cls, __basicnew___str); |
| 3402 | if (!basicnew) return NULL; |
| 3403 | r=PyObject_CallObject(basicnew, NULL); |
| 3404 | Py_DECREF(basicnew); |
| 3405 | if (r) return r; |
| 3406 | } |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 3407 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3408 | if ((r=PyObject_CallObject(cls, args))) return r; |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 3409 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3410 | err: |
| 3411 | { |
| 3412 | PyObject *tp, *v, *tb; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3413 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3414 | PyErr_Fetch(&tp, &v, &tb); |
| 3415 | if ((r=Py_BuildValue("OOO",v,cls,args))) { |
| 3416 | Py_XDECREF(v); |
| 3417 | v=r; |
| 3418 | } |
| 3419 | PyErr_Restore(tp,v,tb); |
| 3420 | } |
| 3421 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3422 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3423 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3424 | |
| 3425 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3426 | load_obj(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3427 | { |
| 3428 | PyObject *class, *tup, *obj=0; |
| 3429 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3430 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3431 | if ((i = marker(self)) < 0) return -1; |
| 3432 | if (!( tup=Pdata_popTuple(self->stack, i+1))) return -1; |
| 3433 | PDATA_POP(self->stack, class); |
| 3434 | if (class) { |
| 3435 | obj = Instance_New(class, tup); |
| 3436 | Py_DECREF(class); |
| 3437 | } |
| 3438 | Py_DECREF(tup); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3439 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3440 | if (! obj) return -1; |
| 3441 | PDATA_PUSH(self->stack, obj, -1); |
| 3442 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3443 | } |
| 3444 | |
| 3445 | |
| 3446 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3447 | load_inst(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3448 | { |
| 3449 | PyObject *tup, *class=0, *obj=0, *module_name, *class_name; |
| 3450 | int i, len; |
| 3451 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3452 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3453 | if ((i = marker(self)) < 0) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3454 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3455 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3456 | if (len < 2) return bad_readline(); |
| 3457 | module_name = PyString_FromStringAndSize(s, len - 1); |
| 3458 | if (!module_name) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3459 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3460 | if ((len = self->readline_func(self, &s)) >= 0) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3461 | if (len < 2) return bad_readline(); |
| 3462 | if ((class_name = PyString_FromStringAndSize(s, len - 1))) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3463 | class = find_class(module_name, class_name, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3464 | self->find_class); |
| 3465 | Py_DECREF(class_name); |
| 3466 | } |
| 3467 | } |
| 3468 | Py_DECREF(module_name); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3469 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3470 | if (! class) return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3471 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3472 | if ((tup=Pdata_popTuple(self->stack, i))) { |
| 3473 | obj = Instance_New(class, tup); |
| 3474 | Py_DECREF(tup); |
| 3475 | } |
| 3476 | Py_DECREF(class); |
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 | if (! obj) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3479 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3480 | PDATA_PUSH(self->stack, obj, -1); |
| 3481 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3482 | } |
| 3483 | |
| 3484 | |
| 3485 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3486 | load_global(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3487 | { |
| 3488 | PyObject *class = 0, *module_name = 0, *class_name = 0; |
| 3489 | int len; |
| 3490 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3491 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3492 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3493 | if (len < 2) return bad_readline(); |
| 3494 | module_name = PyString_FromStringAndSize(s, len - 1); |
| 3495 | if (!module_name) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3496 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3497 | if ((len = self->readline_func(self, &s)) >= 0) { |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 3498 | if (len < 2) { |
| 3499 | Py_DECREF(module_name); |
| 3500 | return bad_readline(); |
| 3501 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3502 | if ((class_name = PyString_FromStringAndSize(s, len - 1))) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3503 | class = find_class(module_name, class_name, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3504 | self->find_class); |
| 3505 | Py_DECREF(class_name); |
| 3506 | } |
| 3507 | } |
| 3508 | Py_DECREF(module_name); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3509 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3510 | if (! class) return -1; |
| 3511 | PDATA_PUSH(self->stack, class, -1); |
| 3512 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3513 | } |
| 3514 | |
| 3515 | |
| 3516 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3517 | load_persid(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3518 | { |
| 3519 | PyObject *pid = 0; |
| 3520 | int len; |
| 3521 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3522 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3523 | if (self->pers_func) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3524 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3525 | if (len < 2) return bad_readline(); |
| 3526 | |
| 3527 | pid = PyString_FromStringAndSize(s, len - 1); |
| 3528 | if (!pid) return -1; |
| 3529 | |
| 3530 | if (PyList_Check(self->pers_func)) { |
| 3531 | if (PyList_Append(self->pers_func, pid) < 0) { |
| 3532 | Py_DECREF(pid); |
| 3533 | return -1; |
| 3534 | } |
| 3535 | } |
| 3536 | else { |
| 3537 | ARG_TUP(self, pid); |
| 3538 | if (self->arg) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3539 | pid = PyObject_Call(self->pers_func, self->arg, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3540 | NULL); |
| 3541 | FREE_ARG_TUP(self); |
| 3542 | } |
| 3543 | } |
| 3544 | |
| 3545 | if (! pid) return -1; |
| 3546 | |
| 3547 | PDATA_PUSH(self->stack, pid, -1); |
| 3548 | return 0; |
| 3549 | } |
| 3550 | else { |
| 3551 | PyErr_SetString(UnpicklingError, |
| 3552 | "A load persistent id instruction was encountered,\n" |
| 3553 | "but no persistent_load function was specified."); |
| 3554 | return -1; |
| 3555 | } |
| 3556 | } |
| 3557 | |
| 3558 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3559 | load_binpersid(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3560 | { |
| 3561 | PyObject *pid = 0; |
| 3562 | |
| 3563 | if (self->pers_func) { |
| 3564 | PDATA_POP(self->stack, pid); |
| 3565 | if (! pid) return -1; |
| 3566 | |
| 3567 | if (PyList_Check(self->pers_func)) { |
| 3568 | if (PyList_Append(self->pers_func, pid) < 0) { |
| 3569 | Py_DECREF(pid); |
| 3570 | return -1; |
| 3571 | } |
| 3572 | } |
| 3573 | else { |
| 3574 | ARG_TUP(self, pid); |
| 3575 | if (self->arg) { |
| 3576 | pid = PyObject_Call(self->pers_func, self->arg, |
| 3577 | NULL); |
| 3578 | FREE_ARG_TUP(self); |
| 3579 | } |
| 3580 | if (! pid) return -1; |
| 3581 | } |
| 3582 | |
| 3583 | PDATA_PUSH(self->stack, pid, -1); |
| 3584 | return 0; |
| 3585 | } |
| 3586 | else { |
| 3587 | PyErr_SetString(UnpicklingError, |
| 3588 | "A load persistent id instruction was encountered,\n" |
| 3589 | "but no persistent_load function was specified."); |
| 3590 | return -1; |
| 3591 | } |
| 3592 | } |
| 3593 | |
| 3594 | |
| 3595 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3596 | load_pop(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3597 | { |
| 3598 | int len; |
| 3599 | |
| 3600 | if (!( (len=self->stack->length) > 0 )) return stackUnderflow(); |
| 3601 | |
| 3602 | /* Note that we split the (pickle.py) stack into two stacks, |
| 3603 | an object stack and a mark stack. We have to be clever and |
| 3604 | pop the right one. We do this by looking at the top of the |
| 3605 | mark stack. |
| 3606 | */ |
| 3607 | |
| 3608 | if ((self->num_marks > 0) && |
| 3609 | (self->marks[self->num_marks - 1] == len)) |
| 3610 | self->num_marks--; |
| 3611 | else { |
| 3612 | len--; |
| 3613 | Py_DECREF(self->stack->data[len]); |
| 3614 | self->stack->length=len; |
| 3615 | } |
| 3616 | |
| 3617 | return 0; |
| 3618 | } |
| 3619 | |
| 3620 | |
| 3621 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3622 | load_pop_mark(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3623 | { |
| 3624 | int i; |
| 3625 | |
| 3626 | if ((i = marker(self)) < 0) |
| 3627 | return -1; |
| 3628 | |
| 3629 | Pdata_clear(self->stack, i); |
| 3630 | |
| 3631 | return 0; |
| 3632 | } |
| 3633 | |
| 3634 | |
| 3635 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3636 | load_dup(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3637 | { |
| 3638 | PyObject *last; |
| 3639 | int len; |
| 3640 | |
| 3641 | if ((len = self->stack->length) <= 0) return stackUnderflow(); |
| 3642 | last=self->stack->data[len-1]; |
| 3643 | Py_INCREF(last); |
| 3644 | PDATA_PUSH(self->stack, last, -1); |
| 3645 | return 0; |
| 3646 | } |
| 3647 | |
| 3648 | |
| 3649 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3650 | load_get(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3651 | { |
| 3652 | PyObject *py_str = 0, *value = 0; |
| 3653 | int len; |
| 3654 | char *s; |
| 3655 | int rc; |
| 3656 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3657 | if ((len = self->readline_func(self, &s)) < 0) return -1; |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 3658 | if (len < 2) return bad_readline(); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3659 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3660 | if (!( py_str = PyString_FromStringAndSize(s, len - 1))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3661 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3662 | value = PyDict_GetItem(self->memo, py_str); |
| 3663 | if (! value) { |
| 3664 | PyErr_SetObject(BadPickleGet, py_str); |
| 3665 | rc = -1; |
| 3666 | } else { |
| 3667 | PDATA_APPEND(self->stack, value, -1); |
| 3668 | rc = 0; |
| 3669 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3670 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3671 | Py_DECREF(py_str); |
| 3672 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3673 | } |
| 3674 | |
| 3675 | |
| 3676 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3677 | load_binget(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3678 | { |
| 3679 | PyObject *py_key = 0, *value = 0; |
| 3680 | unsigned char key; |
| 3681 | char *s; |
| 3682 | int rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3683 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3684 | if (self->read_func(self, &s, 1) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3685 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3686 | key = (unsigned char)s[0]; |
| 3687 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
Guido van Rossum | ea2b715 | 2000-05-09 18:14:50 +0000 | [diff] [blame] | 3688 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3689 | value = PyDict_GetItem(self->memo, py_key); |
| 3690 | if (! value) { |
| 3691 | PyErr_SetObject(BadPickleGet, py_key); |
| 3692 | rc = -1; |
| 3693 | } else { |
| 3694 | PDATA_APPEND(self->stack, value, -1); |
| 3695 | rc = 0; |
| 3696 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3697 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3698 | Py_DECREF(py_key); |
| 3699 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3700 | } |
| 3701 | |
| 3702 | |
| 3703 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3704 | load_long_binget(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3705 | { |
| 3706 | PyObject *py_key = 0, *value = 0; |
| 3707 | unsigned char c; |
| 3708 | char *s; |
| 3709 | long key; |
| 3710 | int rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3711 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3712 | if (self->read_func(self, &s, 4) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3713 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3714 | c = (unsigned char)s[0]; |
| 3715 | key = (long)c; |
| 3716 | c = (unsigned char)s[1]; |
| 3717 | key |= (long)c << 8; |
| 3718 | c = (unsigned char)s[2]; |
| 3719 | key |= (long)c << 16; |
| 3720 | c = (unsigned char)s[3]; |
| 3721 | key |= (long)c << 24; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3722 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3723 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
| 3724 | |
| 3725 | value = PyDict_GetItem(self->memo, py_key); |
| 3726 | if (! value) { |
| 3727 | PyErr_SetObject(BadPickleGet, py_key); |
| 3728 | rc = -1; |
| 3729 | } else { |
| 3730 | PDATA_APPEND(self->stack, value, -1); |
| 3731 | rc = 0; |
| 3732 | } |
| 3733 | |
| 3734 | Py_DECREF(py_key); |
| 3735 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3736 | } |
| 3737 | |
| 3738 | |
| 3739 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3740 | load_put(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3741 | { |
| 3742 | PyObject *py_str = 0, *value = 0; |
| 3743 | int len, l; |
| 3744 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3745 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3746 | if ((l = self->readline_func(self, &s)) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3747 | if (l < 2) return bad_readline(); |
| 3748 | if (!( len=self->stack->length )) return stackUnderflow(); |
| 3749 | if (!( py_str = PyString_FromStringAndSize(s, l - 1))) return -1; |
| 3750 | value=self->stack->data[len-1]; |
| 3751 | l=PyDict_SetItem(self->memo, py_str, value); |
| 3752 | Py_DECREF(py_str); |
| 3753 | return l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3754 | } |
| 3755 | |
| 3756 | |
| 3757 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3758 | load_binput(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3759 | { |
| 3760 | PyObject *py_key = 0, *value = 0; |
| 3761 | unsigned char key; |
| 3762 | char *s; |
| 3763 | int len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3764 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3765 | if (self->read_func(self, &s, 1) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3766 | if (!( (len=self->stack->length) > 0 )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3767 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3768 | key = (unsigned char)s[0]; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 3769 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3770 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
| 3771 | value=self->stack->data[len-1]; |
| 3772 | len=PyDict_SetItem(self->memo, py_key, value); |
| 3773 | Py_DECREF(py_key); |
| 3774 | return len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3775 | } |
| 3776 | |
| 3777 | |
| 3778 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3779 | load_long_binput(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3780 | { |
| 3781 | PyObject *py_key = 0, *value = 0; |
| 3782 | long key; |
| 3783 | unsigned char c; |
| 3784 | char *s; |
| 3785 | int len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3786 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 3787 | if (self->read_func(self, &s, 4) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3788 | if (!( len=self->stack->length )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3789 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3790 | c = (unsigned char)s[0]; |
| 3791 | key = (long)c; |
| 3792 | c = (unsigned char)s[1]; |
| 3793 | key |= (long)c << 8; |
| 3794 | c = (unsigned char)s[2]; |
| 3795 | key |= (long)c << 16; |
| 3796 | c = (unsigned char)s[3]; |
| 3797 | key |= (long)c << 24; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3798 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3799 | if (!( py_key = PyInt_FromLong(key))) return -1; |
| 3800 | value=self->stack->data[len-1]; |
| 3801 | len=PyDict_SetItem(self->memo, py_key, value); |
| 3802 | Py_DECREF(py_key); |
| 3803 | return len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3804 | } |
| 3805 | |
| 3806 | |
| 3807 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3808 | do_append(Unpicklerobject *self, int x) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3809 | { |
| 3810 | PyObject *value = 0, *list = 0, *append_method = 0; |
| 3811 | int len, i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3812 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3813 | len=self->stack->length; |
| 3814 | if (!( len >= x && x > 0 )) return stackUnderflow(); |
| 3815 | /* nothing to do */ |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3816 | if (len==x) return 0; |
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 | list=self->stack->data[x-1]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3819 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3820 | if (PyList_Check(list)) { |
| 3821 | PyObject *slice; |
| 3822 | int list_len; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3823 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3824 | slice=Pdata_popList(self->stack, x); |
| 3825 | list_len = PyList_GET_SIZE(list); |
| 3826 | i=PyList_SetSlice(list, list_len, list_len, slice); |
| 3827 | Py_DECREF(slice); |
| 3828 | return i; |
| 3829 | } |
| 3830 | else { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3831 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3832 | if (!( append_method = PyObject_GetAttr(list, append_str))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3833 | return -1; |
| 3834 | |
| 3835 | for (i = x; i < len; i++) { |
| 3836 | PyObject *junk; |
| 3837 | |
| 3838 | value=self->stack->data[i]; |
| 3839 | junk=0; |
| 3840 | ARG_TUP(self, value); |
| 3841 | if (self->arg) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3842 | junk = PyObject_Call(append_method, self->arg, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3843 | NULL); |
| 3844 | FREE_ARG_TUP(self); |
| 3845 | } |
| 3846 | if (! junk) { |
| 3847 | Pdata_clear(self->stack, i+1); |
| 3848 | self->stack->length=x; |
| 3849 | Py_DECREF(append_method); |
| 3850 | return -1; |
| 3851 | } |
| 3852 | Py_DECREF(junk); |
| 3853 | } |
| 3854 | self->stack->length=x; |
| 3855 | Py_DECREF(append_method); |
| 3856 | } |
| 3857 | |
| 3858 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3859 | } |
| 3860 | |
| 3861 | |
| 3862 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3863 | load_append(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3864 | { |
| 3865 | return do_append(self, self->stack->length - 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3866 | } |
| 3867 | |
| 3868 | |
| 3869 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3870 | load_appends(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3871 | { |
| 3872 | return do_append(self, marker(self)); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3873 | } |
| 3874 | |
| 3875 | |
| 3876 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3877 | do_setitems(Unpicklerobject *self, int x) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3878 | { |
| 3879 | PyObject *value = 0, *key = 0, *dict = 0; |
| 3880 | int len, i, r=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3881 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3882 | if (!( (len=self->stack->length) >= x |
| 3883 | && x > 0 )) return stackUnderflow(); |
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 | dict=self->stack->data[x-1]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3886 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3887 | for (i = x+1; i < len; i += 2) { |
| 3888 | key =self->stack->data[i-1]; |
| 3889 | value=self->stack->data[i ]; |
| 3890 | if (PyObject_SetItem(dict, key, value) < 0) { |
| 3891 | r=-1; |
| 3892 | break; |
| 3893 | } |
| 3894 | } |
| 3895 | |
| 3896 | Pdata_clear(self->stack, x); |
| 3897 | |
| 3898 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3899 | } |
| 3900 | |
| 3901 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3902 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3903 | load_setitem(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3904 | { |
| 3905 | return do_setitems(self, self->stack->length - 2); |
| 3906 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3907 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3908 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3909 | load_setitems(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3910 | { |
| 3911 | return do_setitems(self, marker(self)); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3912 | } |
| 3913 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3914 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3915 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3916 | load_build(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3917 | { |
| 3918 | PyObject *value = 0, *inst = 0, *instdict = 0, *d_key = 0, *d_value = 0, |
| 3919 | *junk = 0, *__setstate__ = 0; |
| 3920 | int i, r = 0; |
| 3921 | |
| 3922 | if (self->stack->length < 2) return stackUnderflow(); |
| 3923 | PDATA_POP(self->stack, value); |
| 3924 | if (! value) return -1; |
| 3925 | inst=self->stack->data[self->stack->length-1]; |
| 3926 | |
| 3927 | if ((__setstate__ = PyObject_GetAttr(inst, __setstate___str))) { |
| 3928 | ARG_TUP(self, value); |
| 3929 | if (self->arg) { |
| 3930 | junk = PyObject_Call(__setstate__, self->arg, NULL); |
| 3931 | FREE_ARG_TUP(self); |
| 3932 | } |
| 3933 | Py_DECREF(__setstate__); |
| 3934 | if (! junk) return -1; |
| 3935 | Py_DECREF(junk); |
| 3936 | return 0; |
| 3937 | } |
| 3938 | |
| 3939 | PyErr_Clear(); |
| 3940 | if ((instdict = PyObject_GetAttr(inst, __dict___str))) { |
| 3941 | i = 0; |
| 3942 | while (PyDict_Next(value, &i, &d_key, &d_value)) { |
| 3943 | if (PyObject_SetItem(instdict, d_key, d_value) < 0) { |
| 3944 | r=-1; |
| 3945 | break; |
| 3946 | } |
| 3947 | } |
| 3948 | Py_DECREF(instdict); |
| 3949 | } |
| 3950 | else r=-1; |
| 3951 | |
| 3952 | Py_XDECREF(value); |
| 3953 | |
| 3954 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3955 | } |
| 3956 | |
| 3957 | |
| 3958 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3959 | load_mark(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3960 | { |
| 3961 | int s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3962 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3963 | /* Note that we split the (pickle.py) stack into two stacks, an |
| 3964 | object stack and a mark stack. Here we push a mark onto the |
| 3965 | mark stack. |
| 3966 | */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3967 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3968 | if ((self->num_marks + 1) >= self->marks_size) { |
| 3969 | s=self->marks_size+20; |
| 3970 | if (s <= self->num_marks) s=self->num_marks + 1; |
| 3971 | if (self->marks == NULL) |
| 3972 | self->marks=(int *)malloc(s * sizeof(int)); |
| 3973 | else |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3974 | self->marks=(int *)realloc(self->marks, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3975 | s * sizeof(int)); |
| 3976 | if (! self->marks) { |
| 3977 | PyErr_NoMemory(); |
| 3978 | return -1; |
| 3979 | } |
| 3980 | self->marks_size = s; |
| 3981 | } |
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 | self->marks[self->num_marks++] = self->stack->length; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3984 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3985 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3986 | } |
| 3987 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3988 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3989 | load_reduce(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3990 | { |
| 3991 | PyObject *callable = 0, *arg_tup = 0, *ob = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3992 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3993 | PDATA_POP(self->stack, arg_tup); |
| 3994 | if (! arg_tup) return -1; |
| 3995 | PDATA_POP(self->stack, callable); |
| 3996 | if (callable) { |
| 3997 | ob = Instance_New(callable, arg_tup); |
| 3998 | Py_DECREF(callable); |
| 3999 | } |
| 4000 | Py_DECREF(arg_tup); |
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 | if (! ob) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4003 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4004 | PDATA_PUSH(self->stack, ob, -1); |
| 4005 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4006 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4007 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 4008 | /* Just raises an error if we don't know the protocol specified. PROTO |
| 4009 | * is the first opcode for protocols >= 2. |
| 4010 | */ |
| 4011 | static int |
| 4012 | load_proto(Unpicklerobject *self) |
| 4013 | { |
| 4014 | int i; |
| 4015 | char *protobyte; |
| 4016 | |
| 4017 | i = self->read_func(self, &protobyte, 1); |
| 4018 | if (i < 0) |
| 4019 | return -1; |
| 4020 | |
| 4021 | i = calc_binint(protobyte, 1); |
| 4022 | /* No point checking for < 0, since calc_binint returns an unsigned |
| 4023 | * int when chewing on 1 byte. |
| 4024 | */ |
| 4025 | assert(i >= 0); |
| 4026 | if (i <= CURRENT_PROTOCOL_NUMBER) |
| 4027 | return 0; |
| 4028 | |
| 4029 | PyErr_Format(PyExc_ValueError, "unsupported pickle protocol: %d", i); |
| 4030 | return -1; |
| 4031 | } |
| 4032 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4033 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4034 | load(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4035 | { |
| 4036 | PyObject *err = 0, *val = 0; |
| 4037 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4038 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4039 | self->num_marks = 0; |
| 4040 | if (self->stack->length) Pdata_clear(self->stack, 0); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4041 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4042 | while (1) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 4043 | if (self->read_func(self, &s, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4044 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4045 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4046 | switch (s[0]) { |
| 4047 | case NONE: |
| 4048 | if (load_none(self) < 0) |
| 4049 | break; |
| 4050 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4051 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4052 | case BININT: |
| 4053 | if (load_binint(self) < 0) |
| 4054 | break; |
| 4055 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4056 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4057 | case BININT1: |
| 4058 | if (load_binint1(self) < 0) |
| 4059 | break; |
| 4060 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4061 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4062 | case BININT2: |
| 4063 | if (load_binint2(self) < 0) |
| 4064 | break; |
| 4065 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4066 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4067 | case INT: |
| 4068 | if (load_int(self) < 0) |
| 4069 | break; |
| 4070 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4071 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4072 | case LONG: |
| 4073 | if (load_long(self) < 0) |
| 4074 | break; |
| 4075 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4076 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 4077 | case LONG1: |
| 4078 | if (load_counted_long(self, 1) < 0) |
| 4079 | break; |
| 4080 | continue; |
| 4081 | |
| 4082 | case LONG4: |
| 4083 | if (load_counted_long(self, 4) < 0) |
| 4084 | break; |
| 4085 | continue; |
| 4086 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4087 | case FLOAT: |
| 4088 | if (load_float(self) < 0) |
| 4089 | break; |
| 4090 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4091 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4092 | case BINFLOAT: |
| 4093 | if (load_binfloat(self) < 0) |
| 4094 | break; |
| 4095 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4096 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4097 | case BINSTRING: |
| 4098 | if (load_binstring(self) < 0) |
| 4099 | break; |
| 4100 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4101 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4102 | case SHORT_BINSTRING: |
| 4103 | if (load_short_binstring(self) < 0) |
| 4104 | break; |
| 4105 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4106 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4107 | case STRING: |
| 4108 | if (load_string(self) < 0) |
| 4109 | break; |
| 4110 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4111 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4112 | #ifdef Py_USING_UNICODE |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4113 | case UNICODE: |
| 4114 | if (load_unicode(self) < 0) |
| 4115 | break; |
| 4116 | continue; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4117 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4118 | case BINUNICODE: |
| 4119 | if (load_binunicode(self) < 0) |
| 4120 | break; |
| 4121 | continue; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4122 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4123 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4124 | case EMPTY_TUPLE: |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 4125 | if (load_counted_tuple(self, 0) < 0) |
| 4126 | break; |
| 4127 | continue; |
| 4128 | |
| 4129 | case TUPLE1: |
| 4130 | if (load_counted_tuple(self, 1) < 0) |
| 4131 | break; |
| 4132 | continue; |
| 4133 | |
| 4134 | case TUPLE2: |
| 4135 | if (load_counted_tuple(self, 2) < 0) |
| 4136 | break; |
| 4137 | continue; |
| 4138 | |
| 4139 | case TUPLE3: |
| 4140 | if (load_counted_tuple(self, 3) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4141 | break; |
| 4142 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4143 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4144 | case TUPLE: |
| 4145 | if (load_tuple(self) < 0) |
| 4146 | break; |
| 4147 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4148 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4149 | case EMPTY_LIST: |
| 4150 | if (load_empty_list(self) < 0) |
| 4151 | break; |
| 4152 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4153 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4154 | case LIST: |
| 4155 | if (load_list(self) < 0) |
| 4156 | break; |
| 4157 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4158 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4159 | case EMPTY_DICT: |
| 4160 | if (load_empty_dict(self) < 0) |
| 4161 | break; |
| 4162 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4163 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4164 | case DICT: |
| 4165 | if (load_dict(self) < 0) |
| 4166 | break; |
| 4167 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4168 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4169 | case OBJ: |
| 4170 | if (load_obj(self) < 0) |
| 4171 | break; |
| 4172 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4173 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4174 | case INST: |
| 4175 | if (load_inst(self) < 0) |
| 4176 | break; |
| 4177 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4178 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4179 | case GLOBAL: |
| 4180 | if (load_global(self) < 0) |
| 4181 | break; |
| 4182 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4183 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4184 | case APPEND: |
| 4185 | if (load_append(self) < 0) |
| 4186 | break; |
| 4187 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4188 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4189 | case APPENDS: |
| 4190 | if (load_appends(self) < 0) |
| 4191 | break; |
| 4192 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4193 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4194 | case BUILD: |
| 4195 | if (load_build(self) < 0) |
| 4196 | break; |
| 4197 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4198 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4199 | case DUP: |
| 4200 | if (load_dup(self) < 0) |
| 4201 | break; |
| 4202 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4203 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4204 | case BINGET: |
| 4205 | if (load_binget(self) < 0) |
| 4206 | break; |
| 4207 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4208 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4209 | case LONG_BINGET: |
| 4210 | if (load_long_binget(self) < 0) |
| 4211 | break; |
| 4212 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4213 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4214 | case GET: |
| 4215 | if (load_get(self) < 0) |
| 4216 | break; |
| 4217 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4218 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4219 | case MARK: |
| 4220 | if (load_mark(self) < 0) |
| 4221 | break; |
| 4222 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4223 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4224 | case BINPUT: |
| 4225 | if (load_binput(self) < 0) |
| 4226 | break; |
| 4227 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4228 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4229 | case LONG_BINPUT: |
| 4230 | if (load_long_binput(self) < 0) |
| 4231 | break; |
| 4232 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4233 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4234 | case PUT: |
| 4235 | if (load_put(self) < 0) |
| 4236 | break; |
| 4237 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4238 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4239 | case POP: |
| 4240 | if (load_pop(self) < 0) |
| 4241 | break; |
| 4242 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4243 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4244 | case POP_MARK: |
| 4245 | if (load_pop_mark(self) < 0) |
| 4246 | break; |
| 4247 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4248 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4249 | case SETITEM: |
| 4250 | if (load_setitem(self) < 0) |
| 4251 | break; |
| 4252 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4253 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4254 | case SETITEMS: |
| 4255 | if (load_setitems(self) < 0) |
| 4256 | break; |
| 4257 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4258 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4259 | case STOP: |
| 4260 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4261 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4262 | case PERSID: |
| 4263 | if (load_persid(self) < 0) |
| 4264 | break; |
| 4265 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4266 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4267 | case BINPERSID: |
| 4268 | if (load_binpersid(self) < 0) |
| 4269 | break; |
| 4270 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4271 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4272 | case REDUCE: |
| 4273 | if (load_reduce(self) < 0) |
| 4274 | break; |
| 4275 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4276 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 4277 | case PROTO: |
| 4278 | if (load_proto(self) < 0) |
| 4279 | break; |
| 4280 | continue; |
| 4281 | |
Tim Peters | 3c67d79 | 2003-02-02 17:59:11 +0000 | [diff] [blame] | 4282 | case NEWTRUE: |
| 4283 | if (load_bool(self, Py_True) < 0) |
| 4284 | break; |
| 4285 | continue; |
| 4286 | |
| 4287 | case NEWFALSE: |
| 4288 | if (load_bool(self, Py_False) < 0) |
| 4289 | break; |
| 4290 | continue; |
| 4291 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4292 | case '\0': |
| 4293 | /* end of file */ |
| 4294 | PyErr_SetNone(PyExc_EOFError); |
| 4295 | break; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4296 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4297 | default: |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4298 | cPickle_ErrFormat(UnpicklingError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4299 | "invalid load key, '%s'.", |
| 4300 | "c", s[0]); |
| 4301 | return NULL; |
| 4302 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4303 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4304 | break; |
| 4305 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4306 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4307 | if ((err = PyErr_Occurred())) { |
| 4308 | if (err == PyExc_EOFError) { |
| 4309 | PyErr_SetNone(PyExc_EOFError); |
| 4310 | } |
| 4311 | return NULL; |
| 4312 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4313 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4314 | PDATA_POP(self->stack, val); |
| 4315 | return val; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4316 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4317 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4318 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4319 | /* No-load functions to support noload, which is used to |
| 4320 | find persistent references. */ |
| 4321 | |
| 4322 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4323 | noload_obj(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4324 | { |
| 4325 | int i; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4326 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4327 | if ((i = marker(self)) < 0) return -1; |
| 4328 | return Pdata_clear(self->stack, i+1); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4329 | } |
| 4330 | |
| 4331 | |
| 4332 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4333 | noload_inst(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4334 | { |
| 4335 | int i; |
| 4336 | char *s; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4337 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4338 | if ((i = marker(self)) < 0) return -1; |
| 4339 | Pdata_clear(self->stack, i); |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 4340 | if (self->readline_func(self, &s) < 0) return -1; |
| 4341 | if (self->readline_func(self, &s) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4342 | PDATA_APPEND(self->stack, Py_None,-1); |
| 4343 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4344 | } |
| 4345 | |
| 4346 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4347 | noload_global(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4348 | { |
| 4349 | char *s; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4350 | |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 4351 | if (self->readline_func(self, &s) < 0) return -1; |
| 4352 | if (self->readline_func(self, &s) < 0) return -1; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4353 | PDATA_APPEND(self->stack, Py_None,-1); |
| 4354 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4355 | } |
| 4356 | |
| 4357 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4358 | noload_reduce(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4359 | { |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4360 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4361 | if (self->stack->length < 2) return stackUnderflow(); |
| 4362 | Pdata_clear(self->stack, self->stack->length-2); |
| 4363 | PDATA_APPEND(self->stack, Py_None,-1); |
| 4364 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4365 | } |
| 4366 | |
| 4367 | static int |
| 4368 | noload_build(Unpicklerobject *self) { |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4369 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 4370 | if (self->stack->length < 1) return stackUnderflow(); |
| 4371 | Pdata_clear(self->stack, self->stack->length-1); |
Guido van Rossum | 50f385c | 1998-12-04 18:48:44 +0000 | [diff] [blame] | 4372 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4373 | } |
| 4374 | |
| 4375 | |
| 4376 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4377 | noload(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4378 | { |
| 4379 | PyObject *err = 0, *val = 0; |
| 4380 | char *s; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4381 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4382 | self->num_marks = 0; |
| 4383 | Pdata_clear(self->stack, 0); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4384 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4385 | while (1) { |
Tim Peters | 0bc93f5 | 2003-02-02 18:29:33 +0000 | [diff] [blame] | 4386 | if (self->read_func(self, &s, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4387 | break; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4388 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4389 | switch (s[0]) { |
| 4390 | case NONE: |
| 4391 | if (load_none(self) < 0) |
| 4392 | break; |
| 4393 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4394 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4395 | case BININT: |
| 4396 | if (load_binint(self) < 0) |
| 4397 | break; |
| 4398 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4399 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4400 | case BININT1: |
| 4401 | if (load_binint1(self) < 0) |
| 4402 | break; |
| 4403 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4404 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4405 | case BININT2: |
| 4406 | if (load_binint2(self) < 0) |
| 4407 | break; |
| 4408 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4409 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4410 | case INT: |
| 4411 | if (load_int(self) < 0) |
| 4412 | break; |
| 4413 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4414 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4415 | case LONG: |
| 4416 | if (load_long(self) < 0) |
| 4417 | break; |
| 4418 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4419 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 4420 | case LONG1: |
| 4421 | if (load_counted_long(self, 1) < 0) |
| 4422 | break; |
| 4423 | continue; |
| 4424 | |
| 4425 | case LONG4: |
| 4426 | if (load_counted_long(self, 4) < 0) |
| 4427 | break; |
| 4428 | continue; |
| 4429 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4430 | case FLOAT: |
| 4431 | if (load_float(self) < 0) |
| 4432 | break; |
| 4433 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4434 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4435 | case BINFLOAT: |
| 4436 | if (load_binfloat(self) < 0) |
| 4437 | break; |
| 4438 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4439 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4440 | case BINSTRING: |
| 4441 | if (load_binstring(self) < 0) |
| 4442 | break; |
| 4443 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4444 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4445 | case SHORT_BINSTRING: |
| 4446 | if (load_short_binstring(self) < 0) |
| 4447 | break; |
| 4448 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4449 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4450 | case STRING: |
| 4451 | if (load_string(self) < 0) |
| 4452 | break; |
| 4453 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4454 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4455 | #ifdef Py_USING_UNICODE |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4456 | case UNICODE: |
| 4457 | if (load_unicode(self) < 0) |
| 4458 | break; |
| 4459 | continue; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4460 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4461 | case BINUNICODE: |
| 4462 | if (load_binunicode(self) < 0) |
| 4463 | break; |
| 4464 | continue; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4465 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4466 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4467 | case EMPTY_TUPLE: |
Tim Peters | 1d63c9f | 2003-02-02 20:29:39 +0000 | [diff] [blame] | 4468 | if (load_counted_tuple(self, 0) < 0) |
| 4469 | break; |
| 4470 | continue; |
| 4471 | |
| 4472 | case TUPLE1: |
| 4473 | if (load_counted_tuple(self, 1) < 0) |
| 4474 | break; |
| 4475 | continue; |
| 4476 | |
| 4477 | case TUPLE2: |
| 4478 | if (load_counted_tuple(self, 2) < 0) |
| 4479 | break; |
| 4480 | continue; |
| 4481 | |
| 4482 | case TUPLE3: |
| 4483 | if (load_counted_tuple(self, 3) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4484 | break; |
| 4485 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4486 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4487 | case TUPLE: |
| 4488 | if (load_tuple(self) < 0) |
| 4489 | break; |
| 4490 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4491 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4492 | case EMPTY_LIST: |
| 4493 | if (load_empty_list(self) < 0) |
| 4494 | break; |
| 4495 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4496 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4497 | case LIST: |
| 4498 | if (load_list(self) < 0) |
| 4499 | break; |
| 4500 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4501 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4502 | case EMPTY_DICT: |
| 4503 | if (load_empty_dict(self) < 0) |
| 4504 | break; |
| 4505 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4506 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4507 | case DICT: |
| 4508 | if (load_dict(self) < 0) |
| 4509 | break; |
| 4510 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4511 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4512 | case OBJ: |
| 4513 | if (noload_obj(self) < 0) |
| 4514 | break; |
| 4515 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4516 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4517 | case INST: |
| 4518 | if (noload_inst(self) < 0) |
| 4519 | break; |
| 4520 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4521 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4522 | case GLOBAL: |
| 4523 | if (noload_global(self) < 0) |
| 4524 | break; |
| 4525 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4526 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4527 | case APPEND: |
| 4528 | if (load_append(self) < 0) |
| 4529 | break; |
| 4530 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4531 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4532 | case APPENDS: |
| 4533 | if (load_appends(self) < 0) |
| 4534 | break; |
| 4535 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4536 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4537 | case BUILD: |
| 4538 | if (noload_build(self) < 0) |
| 4539 | break; |
| 4540 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4541 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4542 | case DUP: |
| 4543 | if (load_dup(self) < 0) |
| 4544 | break; |
| 4545 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4546 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4547 | case BINGET: |
| 4548 | if (load_binget(self) < 0) |
| 4549 | break; |
| 4550 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4551 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4552 | case LONG_BINGET: |
| 4553 | if (load_long_binget(self) < 0) |
| 4554 | break; |
| 4555 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4556 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4557 | case GET: |
| 4558 | if (load_get(self) < 0) |
| 4559 | break; |
| 4560 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4561 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4562 | case MARK: |
| 4563 | if (load_mark(self) < 0) |
| 4564 | break; |
| 4565 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4566 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4567 | case BINPUT: |
| 4568 | if (load_binput(self) < 0) |
| 4569 | break; |
| 4570 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4571 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4572 | case LONG_BINPUT: |
| 4573 | if (load_long_binput(self) < 0) |
| 4574 | break; |
| 4575 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4576 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4577 | case PUT: |
| 4578 | if (load_put(self) < 0) |
| 4579 | break; |
| 4580 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4581 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4582 | case POP: |
| 4583 | if (load_pop(self) < 0) |
| 4584 | break; |
| 4585 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4586 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4587 | case POP_MARK: |
| 4588 | if (load_pop_mark(self) < 0) |
| 4589 | break; |
| 4590 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4591 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4592 | case SETITEM: |
| 4593 | if (load_setitem(self) < 0) |
| 4594 | break; |
| 4595 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4596 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4597 | case SETITEMS: |
| 4598 | if (load_setitems(self) < 0) |
| 4599 | break; |
| 4600 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4601 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4602 | case STOP: |
| 4603 | break; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4604 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4605 | case PERSID: |
| 4606 | if (load_persid(self) < 0) |
| 4607 | break; |
| 4608 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4609 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4610 | case BINPERSID: |
| 4611 | if (load_binpersid(self) < 0) |
| 4612 | break; |
| 4613 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4614 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4615 | case REDUCE: |
| 4616 | if (noload_reduce(self) < 0) |
| 4617 | break; |
| 4618 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4619 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 4620 | case PROTO: |
| 4621 | if (load_proto(self) < 0) |
| 4622 | break; |
| 4623 | continue; |
| 4624 | |
Tim Peters | 3c67d79 | 2003-02-02 17:59:11 +0000 | [diff] [blame] | 4625 | case NEWTRUE: |
| 4626 | if (load_bool(self, Py_True) < 0) |
| 4627 | break; |
| 4628 | continue; |
| 4629 | |
| 4630 | case NEWFALSE: |
| 4631 | if (load_bool(self, Py_False) < 0) |
| 4632 | break; |
| 4633 | continue; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4634 | default: |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4635 | cPickle_ErrFormat(UnpicklingError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4636 | "invalid load key, '%s'.", |
| 4637 | "c", s[0]); |
| 4638 | return NULL; |
| 4639 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4640 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4641 | break; |
| 4642 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4643 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4644 | if ((err = PyErr_Occurred())) { |
| 4645 | if (err == PyExc_EOFError) { |
| 4646 | PyErr_SetNone(PyExc_EOFError); |
| 4647 | } |
| 4648 | return NULL; |
| 4649 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4650 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4651 | PDATA_POP(self->stack, val); |
| 4652 | return val; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4653 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4654 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4655 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4656 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4657 | Unpickler_load(Unpicklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4658 | { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4659 | if (!( PyArg_ParseTuple(args, ":load"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4660 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4661 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4662 | return load(self); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4663 | } |
| 4664 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4665 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4666 | Unpickler_noload(Unpicklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4667 | { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4668 | if (!( PyArg_ParseTuple(args, ":noload"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4669 | return NULL; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4670 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4671 | return noload(self); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4672 | } |
| 4673 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4674 | |
| 4675 | static struct PyMethodDef Unpickler_methods[] = { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4676 | {"load", (PyCFunction)Unpickler_load, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 4677 | PyDoc_STR("load() -- Load a pickle") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4678 | }, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4679 | {"noload", (PyCFunction)Unpickler_noload, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 4680 | PyDoc_STR( |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4681 | "noload() -- not load a pickle, but go through most of the motions\n" |
| 4682 | "\n" |
| 4683 | "This function can be used to read past a pickle without instantiating\n" |
| 4684 | "any objects or importing any modules. It can also be used to find all\n" |
| 4685 | "persistent references without instantiating any objects or importing\n" |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 4686 | "any modules.\n") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4687 | }, |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4688 | {NULL, NULL} /* sentinel */ |
| 4689 | }; |
| 4690 | |
| 4691 | |
| 4692 | static Unpicklerobject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4693 | newUnpicklerobject(PyObject *f) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4694 | { |
| 4695 | Unpicklerobject *self; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4696 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4697 | if (!( self = PyObject_New(Unpicklerobject, &Unpicklertype))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4698 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4699 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4700 | self->file = NULL; |
| 4701 | self->arg = NULL; |
| 4702 | self->stack = (Pdata*)Pdata_New(); |
| 4703 | self->pers_func = NULL; |
| 4704 | self->last_string = NULL; |
| 4705 | self->marks = NULL; |
| 4706 | self->num_marks = 0; |
| 4707 | self->marks_size = 0; |
| 4708 | self->buf_size = 0; |
| 4709 | self->read = NULL; |
| 4710 | self->readline = NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4711 | self->find_class = NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4712 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4713 | if (!( self->memo = PyDict_New())) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4714 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4715 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4716 | Py_INCREF(f); |
| 4717 | self->file = f; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4718 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4719 | /* Set read, readline based on type of f */ |
| 4720 | if (PyFile_Check(f)) { |
| 4721 | self->fp = PyFile_AsFile(f); |
| 4722 | if (self->fp == NULL) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4723 | PyErr_SetString(PyExc_ValueError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4724 | "I/O operation on closed file"); |
| 4725 | goto err; |
| 4726 | } |
| 4727 | self->read_func = read_file; |
| 4728 | self->readline_func = readline_file; |
Guido van Rossum | c91fcaa | 1999-03-29 20:00:14 +0000 | [diff] [blame] | 4729 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4730 | else if (PycStringIO_InputCheck(f)) { |
| 4731 | self->fp = NULL; |
| 4732 | self->read_func = read_cStringIO; |
| 4733 | self->readline_func = readline_cStringIO; |
| 4734 | } |
| 4735 | else { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4736 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4737 | self->fp = NULL; |
| 4738 | self->read_func = read_other; |
| 4739 | self->readline_func = readline_other; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4740 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4741 | if (!( (self->readline = PyObject_GetAttr(f, readline_str)) && |
| 4742 | (self->read = PyObject_GetAttr(f, read_str)))) { |
| 4743 | PyErr_Clear(); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4744 | PyErr_SetString( PyExc_TypeError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4745 | "argument must have 'read' and " |
| 4746 | "'readline' attributes" ); |
| 4747 | goto err; |
| 4748 | } |
| 4749 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4750 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4751 | return self; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4752 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4753 | err: |
| 4754 | Py_DECREF((PyObject *)self); |
| 4755 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4756 | } |
| 4757 | |
| 4758 | |
| 4759 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4760 | get_Unpickler(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4761 | { |
| 4762 | PyObject *file; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4763 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4764 | if (!( PyArg_ParseTuple(args, "O:Unpickler", &file))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4765 | return NULL; |
| 4766 | return (PyObject *)newUnpicklerobject(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4767 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4768 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4769 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4770 | static void |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4771 | Unpickler_dealloc(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4772 | { |
| 4773 | Py_XDECREF(self->readline); |
| 4774 | Py_XDECREF(self->read); |
| 4775 | Py_XDECREF(self->file); |
| 4776 | Py_XDECREF(self->memo); |
| 4777 | Py_XDECREF(self->stack); |
| 4778 | Py_XDECREF(self->pers_func); |
| 4779 | Py_XDECREF(self->arg); |
| 4780 | Py_XDECREF(self->last_string); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4781 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4782 | if (self->marks) { |
| 4783 | free(self->marks); |
| 4784 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4785 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4786 | if (self->buf_size) { |
| 4787 | free(self->buf); |
| 4788 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4789 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4790 | PyObject_Del(self); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4791 | } |
| 4792 | |
| 4793 | |
| 4794 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4795 | Unpickler_getattr(Unpicklerobject *self, char *name) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4796 | { |
| 4797 | if (!strcmp(name, "persistent_load")) { |
| 4798 | if (!self->pers_func) { |
| 4799 | PyErr_SetString(PyExc_AttributeError, name); |
| 4800 | return NULL; |
| 4801 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4802 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4803 | Py_INCREF(self->pers_func); |
| 4804 | return self->pers_func; |
| 4805 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4806 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4807 | if (!strcmp(name, "find_global")) { |
| 4808 | if (!self->find_class) { |
| 4809 | PyErr_SetString(PyExc_AttributeError, name); |
| 4810 | return NULL; |
| 4811 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 4812 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4813 | Py_INCREF(self->find_class); |
| 4814 | return self->find_class; |
| 4815 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 4816 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4817 | if (!strcmp(name, "memo")) { |
| 4818 | if (!self->memo) { |
| 4819 | PyErr_SetString(PyExc_AttributeError, name); |
| 4820 | return NULL; |
| 4821 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4822 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4823 | Py_INCREF(self->memo); |
| 4824 | return self->memo; |
| 4825 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4826 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4827 | if (!strcmp(name, "UnpicklingError")) { |
| 4828 | Py_INCREF(UnpicklingError); |
| 4829 | return UnpicklingError; |
| 4830 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4831 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4832 | return Py_FindMethod(Unpickler_methods, (PyObject *)self, name); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4833 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4834 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4835 | |
| 4836 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4837 | Unpickler_setattr(Unpicklerobject *self, char *name, PyObject *value) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4838 | { |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 4839 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4840 | if (!strcmp(name, "persistent_load")) { |
| 4841 | Py_XDECREF(self->pers_func); |
| 4842 | self->pers_func = value; |
| 4843 | Py_XINCREF(value); |
| 4844 | return 0; |
| 4845 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 4846 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4847 | if (!strcmp(name, "find_global")) { |
| 4848 | Py_XDECREF(self->find_class); |
| 4849 | self->find_class = value; |
| 4850 | Py_XINCREF(value); |
| 4851 | return 0; |
| 4852 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 4853 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4854 | if (! value) { |
| 4855 | PyErr_SetString(PyExc_TypeError, |
| 4856 | "attribute deletion is not supported"); |
| 4857 | return -1; |
| 4858 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 4859 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4860 | if (strcmp(name, "memo") == 0) { |
| 4861 | if (!PyDict_Check(value)) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4862 | PyErr_SetString(PyExc_TypeError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4863 | "memo must be a dictionary"); |
| 4864 | return -1; |
| 4865 | } |
| 4866 | Py_XDECREF(self->memo); |
| 4867 | self->memo = value; |
| 4868 | Py_INCREF(value); |
| 4869 | return 0; |
| 4870 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 4871 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4872 | PyErr_SetString(PyExc_AttributeError, name); |
| 4873 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4874 | } |
| 4875 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4876 | /* --------------------------------------------------------------------------- |
| 4877 | * Module-level functions. |
| 4878 | */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4879 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4880 | /* dump(obj, file, proto=0). */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4881 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4882 | cpm_dump(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4883 | { |
| 4884 | PyObject *ob, *file, *res = NULL; |
| 4885 | Picklerobject *pickler = 0; |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4886 | int proto = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4887 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4888 | if (!( PyArg_ParseTuple(args, "OO|i", &ob, &file, &proto))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4889 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4890 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4891 | if (!( pickler = newPicklerobject(file, proto))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4892 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4893 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4894 | if (dump(pickler, ob) < 0) |
| 4895 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4896 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4897 | Py_INCREF(Py_None); |
| 4898 | res = Py_None; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4899 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4900 | finally: |
| 4901 | Py_XDECREF(pickler); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4902 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4903 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4904 | } |
| 4905 | |
| 4906 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4907 | /* dumps(obj, proto=0). */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4908 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4909 | cpm_dumps(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4910 | { |
| 4911 | PyObject *ob, *file = 0, *res = NULL; |
| 4912 | Picklerobject *pickler = 0; |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4913 | int proto = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4914 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4915 | if (!( PyArg_ParseTuple(args, "O|i:dumps", &ob, &proto))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4916 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4917 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4918 | if (!( file = PycStringIO->NewOutput(128))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4919 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4920 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4921 | if (!( pickler = newPicklerobject(file, proto))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4922 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4923 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4924 | if (dump(pickler, ob) < 0) |
| 4925 | goto finally; |
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 | res = PycStringIO->cgetvalue(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4928 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4929 | finally: |
| 4930 | Py_XDECREF(pickler); |
| 4931 | Py_XDECREF(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4932 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4933 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4934 | } |
| 4935 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4936 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4937 | /* load(fileobj). */ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4938 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4939 | cpm_load(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4940 | { |
| 4941 | Unpicklerobject *unpickler = 0; |
| 4942 | PyObject *ob, *res = NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4943 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4944 | if (!( PyArg_ParseTuple(args, "O:load", &ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4945 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4946 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4947 | if (!( unpickler = newUnpicklerobject(ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4948 | goto finally; |
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 | res = load(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4951 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4952 | finally: |
| 4953 | Py_XDECREF(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4954 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4955 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4956 | } |
| 4957 | |
| 4958 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4959 | /* loads(string) */ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4960 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4961 | cpm_loads(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4962 | { |
| 4963 | PyObject *ob, *file = 0, *res = NULL; |
| 4964 | Unpicklerobject *unpickler = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4965 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4966 | if (!( PyArg_ParseTuple(args, "S:loads", &ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4967 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4968 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4969 | if (!( file = PycStringIO->NewInput(ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4970 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4971 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4972 | if (!( unpickler = newUnpicklerobject(file))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4973 | goto finally; |
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 | res = load(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4976 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4977 | finally: |
| 4978 | Py_XDECREF(file); |
| 4979 | Py_XDECREF(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4980 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4981 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4982 | } |
| 4983 | |
| 4984 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 4985 | PyDoc_STRVAR(Unpicklertype__doc__, |
| 4986 | "Objects that know how to unpickle"); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4987 | |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 4988 | static PyTypeObject Unpicklertype = { |
| 4989 | PyObject_HEAD_INIT(NULL) |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4990 | 0, /*ob_size*/ |
Guido van Rossum | 1464839 | 2001-12-08 18:02:58 +0000 | [diff] [blame] | 4991 | "cPickle.Unpickler", /*tp_name*/ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4992 | sizeof(Unpicklerobject), /*tp_basicsize*/ |
| 4993 | 0, /*tp_itemsize*/ |
| 4994 | /* methods */ |
| 4995 | (destructor)Unpickler_dealloc, /*tp_dealloc*/ |
| 4996 | (printfunc)0, /*tp_print*/ |
| 4997 | (getattrfunc)Unpickler_getattr, /*tp_getattr*/ |
| 4998 | (setattrfunc)Unpickler_setattr, /*tp_setattr*/ |
| 4999 | (cmpfunc)0, /*tp_compare*/ |
| 5000 | (reprfunc)0, /*tp_repr*/ |
| 5001 | 0, /*tp_as_number*/ |
| 5002 | 0, /*tp_as_sequence*/ |
| 5003 | 0, /*tp_as_mapping*/ |
| 5004 | (hashfunc)0, /*tp_hash*/ |
| 5005 | (ternaryfunc)0, /*tp_call*/ |
| 5006 | (reprfunc)0, /*tp_str*/ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5007 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5008 | /* Space for future expansion */ |
| 5009 | 0L,0L,0L,0L, |
| 5010 | Unpicklertype__doc__ /* Documentation string */ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 5011 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5012 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5013 | static struct PyMethodDef cPickle_methods[] = { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 5014 | {"dump", (PyCFunction)cpm_dump, METH_VARARGS, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5015 | PyDoc_STR("dump(object, file, proto=0) -- " |
| 5016 | "Write an object in pickle format to the given file.\n" |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5017 | "\n" |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5018 | "See the Pickler docstring for the meaning of optional argument proto.") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5019 | }, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5020 | |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 5021 | {"dumps", (PyCFunction)cpm_dumps, METH_VARARGS, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5022 | PyDoc_STR("dumps(object, proto=0) -- " |
| 5023 | "Return a string containing an object in pickle format.\n" |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5024 | "\n" |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5025 | "See the Pickler docstring for the meaning of optional argument proto.") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5026 | }, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5027 | |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 5028 | {"load", (PyCFunction)cpm_load, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 5029 | PyDoc_STR("load(file) -- Load a pickle from the given file")}, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5030 | |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 5031 | {"loads", (PyCFunction)cpm_loads, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 5032 | PyDoc_STR("loads(string) -- Load a pickle from the given string")}, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5033 | |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 5034 | {"Pickler", (PyCFunction)get_Pickler, METH_VARARGS, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5035 | PyDoc_STR("Pickler(file, proto=0) -- Create a pickler.\n" |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5036 | "\n" |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5037 | "This takes a file-like object for writing a pickle data stream.\n" |
| 5038 | "The optional proto argument tells the pickler to use the given\n" |
| 5039 | "protocol; supported protocols are 0, 1, 2. The default\n" |
| 5040 | "protocol is 0, to be backwards compatible. (Protocol 0 is the\n" |
| 5041 | "only protocol that can be written to a file opened in text\n" |
| 5042 | "mode and read back successfully. When using a protocol higher\n" |
| 5043 | "than 0, make sure the file is opened in binary mode, both when\n" |
| 5044 | "pickling and unpickling.)\n" |
| 5045 | "\n" |
| 5046 | "Protocol 1 is more efficient than protocol 0; protocol 2 is\n" |
| 5047 | "more efficient than protocol 1.\n" |
| 5048 | "\n" |
| 5049 | "Specifying a negative protocol version selects the highest\n" |
| 5050 | "protocol version supported. The higher the protocol used, the\n" |
| 5051 | "more recent the version of Python needed to read the pickle\n" |
| 5052 | "produced.\n" |
| 5053 | "\n" |
| 5054 | "The file parameter must have a write() method that accepts a single\n" |
| 5055 | "string argument. It can thus be an open file object, a StringIO\n" |
| 5056 | "object, or any other custom object that meets this interface.\n") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5057 | }, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5058 | |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 5059 | {"Unpickler", (PyCFunction)get_Unpickler, METH_VARARGS, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 5060 | PyDoc_STR("Unpickler(file) -- Create an unpickler.")}, |
| 5061 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5062 | { NULL, NULL } |
| 5063 | }; |
| 5064 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5065 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5066 | init_stuff(PyObject *module_dict) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5067 | { |
| 5068 | PyObject *copy_reg, *t, *r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5069 | |
Martin v. Löwis | 43c9d8a | 2002-04-01 12:34:33 +0000 | [diff] [blame] | 5070 | #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] | 5071 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5072 | INIT_STR(__class__); |
| 5073 | INIT_STR(__getinitargs__); |
| 5074 | INIT_STR(__dict__); |
| 5075 | INIT_STR(__getstate__); |
| 5076 | INIT_STR(__setstate__); |
| 5077 | INIT_STR(__name__); |
| 5078 | INIT_STR(__main__); |
| 5079 | INIT_STR(__reduce__); |
| 5080 | INIT_STR(write); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5081 | INIT_STR(append); |
| 5082 | INIT_STR(read); |
| 5083 | INIT_STR(readline); |
| 5084 | INIT_STR(copy_reg); |
| 5085 | INIT_STR(dispatch_table); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5086 | INIT_STR(__basicnew__); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5087 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5088 | if (!( copy_reg = PyImport_ImportModule("copy_reg"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5089 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5090 | |
Tim Peters | 1f1b2d2 | 2003-02-01 02:16:37 +0000 | [diff] [blame] | 5091 | /* This is special because we want to use a different |
| 5092 | one in restricted mode. */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5093 | dispatch_table = PyObject_GetAttr(copy_reg, dispatch_table_str); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5094 | if (!dispatch_table) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5095 | return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5096 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5097 | Py_DECREF(copy_reg); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5098 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5099 | if (!( empty_tuple = PyTuple_New(0))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5100 | return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 5101 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5102 | /* Ugh */ |
| 5103 | if (!( t=PyImport_ImportModule("__builtin__"))) return -1; |
| 5104 | if (PyDict_SetItemString(module_dict, "__builtins__", t) < 0) |
| 5105 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5106 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5107 | if (!( t=PyDict_New())) return -1; |
| 5108 | if (!( r=PyRun_String( |
| 5109 | "def __init__(self, *args): self.args=args\n\n" |
| 5110 | "def __str__(self):\n" |
| 5111 | " return self.args and ('%s' % self.args[0]) or '(what)'\n", |
| 5112 | Py_file_input, |
| 5113 | module_dict, t) )) return -1; |
| 5114 | Py_DECREF(r); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5115 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5116 | PickleError = PyErr_NewException("cPickle.PickleError", NULL, t); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5117 | if (!PickleError) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5118 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5119 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5120 | Py_DECREF(t); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5121 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5122 | PicklingError = PyErr_NewException("cPickle.PicklingError", |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5123 | PickleError, NULL); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5124 | if (!PicklingError) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5125 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5126 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5127 | if (!( t=PyDict_New())) return -1; |
| 5128 | if (!( r=PyRun_String( |
| 5129 | "def __init__(self, *args): self.args=args\n\n" |
| 5130 | "def __str__(self):\n" |
| 5131 | " a=self.args\n" |
| 5132 | " a=a and type(a[0]) or '(what)'\n" |
| 5133 | " return 'Cannot pickle %s objects' % a\n" |
| 5134 | , Py_file_input, |
| 5135 | module_dict, t) )) return -1; |
| 5136 | Py_DECREF(r); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 5137 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5138 | if (!( UnpickleableError = PyErr_NewException( |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5139 | "cPickle.UnpickleableError", PicklingError, t))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5140 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5141 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5142 | Py_DECREF(t); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5143 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5144 | if (!( UnpicklingError = PyErr_NewException("cPickle.UnpicklingError", |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5145 | PickleError, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5146 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5147 | |
Martin v. Löwis | 658009a | 2002-09-16 17:26:24 +0000 | [diff] [blame] | 5148 | if (!( BadPickleGet = PyErr_NewException("cPickle.BadPickleGet", |
| 5149 | UnpicklingError, NULL))) |
| 5150 | return -1; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5151 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5152 | if (PyDict_SetItemString(module_dict, "PickleError", |
| 5153 | PickleError) < 0) |
| 5154 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5155 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5156 | if (PyDict_SetItemString(module_dict, "PicklingError", |
| 5157 | PicklingError) < 0) |
| 5158 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5159 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5160 | if (PyDict_SetItemString(module_dict, "UnpicklingError", |
| 5161 | UnpicklingError) < 0) |
| 5162 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5163 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5164 | if (PyDict_SetItemString(module_dict, "UnpickleableError", |
| 5165 | UnpickleableError) < 0) |
| 5166 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 5167 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5168 | if (PyDict_SetItemString(module_dict, "BadPickleGet", |
| 5169 | BadPickleGet) < 0) |
| 5170 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 5171 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5172 | PycString_IMPORT; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 5173 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5174 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5175 | } |
| 5176 | |
Mark Hammond | fe51c6d | 2002-08-02 02:27:13 +0000 | [diff] [blame] | 5177 | #ifndef PyMODINIT_FUNC /* declarations for DLL import/export */ |
| 5178 | #define PyMODINIT_FUNC void |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 5179 | #endif |
Mark Hammond | fe51c6d | 2002-08-02 02:27:13 +0000 | [diff] [blame] | 5180 | PyMODINIT_FUNC |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5181 | initcPickle(void) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5182 | { |
| 5183 | PyObject *m, *d, *di, *v, *k; |
| 5184 | int i; |
| 5185 | char *rev="1.71"; |
| 5186 | PyObject *format_version; |
| 5187 | PyObject *compatible_formats; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5188 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5189 | Picklertype.ob_type = &PyType_Type; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5190 | Unpicklertype.ob_type = &PyType_Type; |
| 5191 | PdataType.ob_type = &PyType_Type; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5192 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5193 | /* Initialize some pieces. We need to do this before module creation, |
| 5194 | so we're forced to use a temporary dictionary. :( |
| 5195 | */ |
| 5196 | di=PyDict_New(); |
| 5197 | if (!di) return; |
| 5198 | if (init_stuff(di) < 0) return; |
Guido van Rossum | ebba420 | 2000-09-07 14:35:37 +0000 | [diff] [blame] | 5199 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5200 | /* Create the module and add the functions */ |
| 5201 | m = Py_InitModule4("cPickle", cPickle_methods, |
| 5202 | cPickle_module_documentation, |
| 5203 | (PyObject*)NULL,PYTHON_API_VERSION); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5204 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5205 | /* Add some symbolic constants to the module */ |
| 5206 | d = PyModule_GetDict(m); |
| 5207 | PyDict_SetItemString(d,"__version__", v = PyString_FromString(rev)); |
| 5208 | Py_XDECREF(v); |
Barry Warsaw | 93d29b6 | 1997-01-14 17:45:08 +0000 | [diff] [blame] | 5209 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5210 | /* Copy data from di. Waaa. */ |
| 5211 | for (i=0; PyDict_Next(di, &i, &k, &v); ) { |
| 5212 | if (PyObject_SetItem(d, k, v) < 0) { |
| 5213 | Py_DECREF(di); |
| 5214 | return; |
| 5215 | } |
| 5216 | } |
| 5217 | Py_DECREF(di); |
Guido van Rossum | ebba420 | 2000-09-07 14:35:37 +0000 | [diff] [blame] | 5218 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5219 | format_version = PyString_FromString("1.3"); |
| 5220 | compatible_formats = Py_BuildValue("[sss]", "1.0", "1.1", "1.2"); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5221 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5222 | PyDict_SetItemString(d, "format_version", format_version); |
| 5223 | PyDict_SetItemString(d, "compatible_formats", compatible_formats); |
| 5224 | Py_XDECREF(format_version); |
| 5225 | Py_XDECREF(compatible_formats); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5226 | } |