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, |
| 6 | "C implementation and optimization of the Python pickle module\n" |
| 7 | "\n" |
| 8 | "cPickle.c,v 1.71 1999/07/11 13:30:34 jim Exp\n"); |
| 9 | |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 10 | #ifndef Py_eval_input |
| 11 | #include <graminit.h> |
| 12 | #define Py_eval_input eval_input |
Guido van Rossum | c6ef204 | 1997-08-21 02:30:45 +0000 | [diff] [blame] | 13 | #endif /* Py_eval_input */ |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 14 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 15 | #include <errno.h> |
| 16 | |
Martin v. Löwis | 43c9d8a | 2002-04-01 12:34:33 +0000 | [diff] [blame] | 17 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 18 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 19 | #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] | 20 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 21 | #define WRITE_BUF_SIZE 256 |
| 22 | |
Tim Peters | 797ec24 | 2003-02-01 06:22:36 +0000 | [diff] [blame^] | 23 | /* |
| 24 | * Pickle opcodes. These must be kept in synch with pickle.py. Extensive |
| 25 | * docs are in pickletools.py. |
| 26 | */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 27 | #define MARK '(' |
| 28 | #define STOP '.' |
| 29 | #define POP '0' |
| 30 | #define POP_MARK '1' |
| 31 | #define DUP '2' |
| 32 | #define FLOAT 'F' |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 33 | #define BINFLOAT 'G' |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 34 | #define INT 'I' |
| 35 | #define BININT 'J' |
| 36 | #define BININT1 'K' |
| 37 | #define LONG 'L' |
| 38 | #define BININT2 'M' |
| 39 | #define NONE 'N' |
| 40 | #define PERSID 'P' |
| 41 | #define BINPERSID 'Q' |
| 42 | #define REDUCE 'R' |
| 43 | #define STRING 'S' |
| 44 | #define BINSTRING 'T' |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 45 | #define SHORT_BINSTRING 'U' |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 46 | #define UNICODE 'V' |
| 47 | #define BINUNICODE 'X' |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 48 | #define APPEND 'a' |
| 49 | #define BUILD 'b' |
| 50 | #define GLOBAL 'c' |
| 51 | #define DICT 'd' |
| 52 | #define EMPTY_DICT '}' |
| 53 | #define APPENDS 'e' |
| 54 | #define GET 'g' |
| 55 | #define BINGET 'h' |
| 56 | #define INST 'i' |
| 57 | #define LONG_BINGET 'j' |
| 58 | #define LIST 'l' |
| 59 | #define EMPTY_LIST ']' |
| 60 | #define OBJ 'o' |
| 61 | #define PUT 'p' |
| 62 | #define BINPUT 'q' |
| 63 | #define LONG_BINPUT 'r' |
| 64 | #define SETITEM 's' |
| 65 | #define TUPLE 't' |
| 66 | #define EMPTY_TUPLE ')' |
| 67 | #define SETITEMS 'u' |
Tim Peters | 797ec24 | 2003-02-01 06:22:36 +0000 | [diff] [blame^] | 68 | |
| 69 | /* Protocol 2. */ |
| 70 | #define PROTO '\x80' /* identify pickle protocol */ |
| 71 | #define NEWOBJ '\x81' /* build object by applying cls.__new__ to argtuple */ |
| 72 | #define EXT1 '\x82' /* push object from extension registry; 1-byte index */ |
| 73 | #define EXT2 '\x83' /* ditto, but 2-byte index */ |
| 74 | #define EXT4 '\x84' /* ditto, but 4-byte index */ |
| 75 | #define TUPLE1 '\x85' /* build 1-tuple from stack top */ |
| 76 | #define TUPLE2 '\x86' /* build 2-tuple from two topmost stack items */ |
| 77 | #define TUPLE3 '\x87' /* build 3-tuple from three topmost stack items */ |
| 78 | #define NEWTRUE '\x88' /* push True */ |
| 79 | #define NEWFALSE '\x89' /* push False */ |
| 80 | #define LONG1 '\x8a' /* push long from < 256 bytes */ |
| 81 | #define LONG4 '\x8b' /* push really big long */ |
| 82 | |
| 83 | /* There aren't opcodes -- they're ways to pickle bools before protocol 2, |
| 84 | * so that unpicklers written before bools were introduced unpickle them |
| 85 | * as ints, but unpicklers after can recognize that bools were intended. |
| 86 | * Note that protocol 2 added direct ways to pickle bools. |
| 87 | */ |
Jack Jansen | 3a96702 | 2002-06-26 20:40:42 +0000 | [diff] [blame] | 88 | #undef TRUE |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 89 | #define TRUE "I01\n" |
Jack Jansen | 3a96702 | 2002-06-26 20:40:42 +0000 | [diff] [blame] | 90 | #undef FALSE |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 91 | #define FALSE "I00\n" |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 92 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 93 | static char MARKv = MARK; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 94 | |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 95 | static PyObject *PickleError; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 96 | static PyObject *PicklingError; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 97 | static PyObject *UnpickleableError; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 98 | static PyObject *UnpicklingError; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 99 | static PyObject *BadPickleGet; |
| 100 | |
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 *dispatch_table; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 103 | static PyObject *empty_tuple; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 104 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 105 | static PyObject *__class___str, *__getinitargs___str, *__dict___str, |
| 106 | *__getstate___str, *__setstate___str, *__name___str, *__reduce___str, |
Tim Peters | 1f1b2d2 | 2003-02-01 02:16:37 +0000 | [diff] [blame] | 107 | *write_str, *append_str, |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 108 | *read_str, *readline_str, *__main___str, *__basicnew___str, |
Tim Peters | 1f1b2d2 | 2003-02-01 02:16:37 +0000 | [diff] [blame] | 109 | *copy_reg_str, *dispatch_table_str; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 110 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 111 | /************************************************************************* |
| 112 | Internal Data type for pickle data. */ |
| 113 | |
| 114 | typedef struct { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 115 | PyObject_HEAD |
| 116 | int length, size; |
| 117 | PyObject **data; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 118 | } Pdata; |
| 119 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 120 | static void |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 121 | Pdata_dealloc(Pdata *self) |
| 122 | { |
| 123 | int i; |
| 124 | PyObject **p; |
| 125 | |
| 126 | for (i=self->length, p=self->data; --i >= 0; p++) Py_DECREF(*p); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 127 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 128 | if (self->data) free(self->data); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 129 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 130 | PyObject_Del(self); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 131 | } |
| 132 | |
| 133 | static PyTypeObject PdataType = { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 134 | PyObject_HEAD_INIT(NULL) 0, "cPickle.Pdata", sizeof(Pdata), 0, |
| 135 | (destructor)Pdata_dealloc, |
| 136 | 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] | 137 | }; |
| 138 | |
| 139 | #define Pdata_Check(O) ((O)->ob_type == &PdataType) |
| 140 | |
| 141 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 142 | Pdata_New(void) |
| 143 | { |
| 144 | Pdata *self; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 145 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 146 | if (!( self = PyObject_New(Pdata, &PdataType))) return NULL; |
| 147 | self->size=8; |
| 148 | self->length=0; |
| 149 | self->data=malloc(self->size * sizeof(PyObject*)); |
| 150 | if (self->data) return (PyObject*)self; |
| 151 | Py_DECREF(self); |
| 152 | return PyErr_NoMemory(); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 153 | } |
| 154 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 155 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 156 | stackUnderflow(void) |
| 157 | { |
| 158 | PyErr_SetString(UnpicklingError, "unpickling stack underflow"); |
| 159 | return -1; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 160 | } |
| 161 | |
| 162 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 163 | Pdata_clear(Pdata *self, int clearto) |
| 164 | { |
| 165 | int i; |
| 166 | PyObject **p; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 167 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 168 | if (clearto < 0) return stackUnderflow(); |
| 169 | if (clearto >= self->length) return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 170 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 171 | for (i=self->length, p=self->data+clearto; --i >= clearto; p++) |
| 172 | Py_DECREF(*p); |
| 173 | self->length=clearto; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 174 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 175 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 176 | } |
| 177 | |
| 178 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 179 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 180 | Pdata_grow(Pdata *self) |
| 181 | { |
| 182 | if (! self->size) { |
| 183 | PyErr_NoMemory(); |
| 184 | return -1; |
| 185 | } |
| 186 | self->size *= 2; |
| 187 | self->data = realloc(self->data, self->size*sizeof(PyObject*)); |
| 188 | if (! self->data) { |
| 189 | self->size = 0; |
| 190 | PyErr_NoMemory(); |
| 191 | return -1; |
| 192 | } |
| 193 | return 0; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 194 | } |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 195 | |
| 196 | #define PDATA_POP(D,V) { \ |
| 197 | if ((D)->length) V=D->data[--((D)->length)]; \ |
| 198 | else { \ |
| 199 | PyErr_SetString(UnpicklingError, "bad pickle data"); \ |
| 200 | V=NULL; \ |
| 201 | } \ |
| 202 | } |
| 203 | |
| 204 | |
| 205 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 206 | Pdata_popTuple(Pdata *self, int start) |
| 207 | { |
| 208 | PyObject *r; |
| 209 | int i, j, l; |
| 210 | |
| 211 | l=self->length-start; |
| 212 | if (!( r=PyTuple_New(l))) return NULL; |
| 213 | for (i=start, j=0 ; j < l; i++, j++) |
| 214 | PyTuple_SET_ITEM(r, j, self->data[i]); |
| 215 | |
| 216 | self->length=start; |
| 217 | return r; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 218 | } |
| 219 | |
| 220 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 221 | Pdata_popList(Pdata *self, int start) |
| 222 | { |
| 223 | PyObject *r; |
| 224 | int i, j, l; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 225 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 226 | l=self->length-start; |
| 227 | if (!( r=PyList_New(l))) return NULL; |
| 228 | for (i=start, j=0 ; j < l; i++, j++) |
| 229 | PyList_SET_ITEM(r, j, self->data[i]); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 230 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 231 | self->length=start; |
| 232 | return r; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 233 | } |
| 234 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 235 | #define PDATA_APPEND(D,O,ER) { \ |
| 236 | if (((Pdata*)(D))->length == ((Pdata*)(D))->size && \ |
| 237 | Pdata_grow((Pdata*)(D)) < 0) \ |
| 238 | return ER; \ |
| 239 | Py_INCREF(O); \ |
| 240 | ((Pdata*)(D))->data[((Pdata*)(D))->length++]=O; \ |
| 241 | } |
| 242 | |
| 243 | #define PDATA_PUSH(D,O,ER) { \ |
| 244 | if (((Pdata*)(D))->length == ((Pdata*)(D))->size && \ |
| 245 | Pdata_grow((Pdata*)(D)) < 0) { \ |
| 246 | Py_DECREF(O); \ |
| 247 | return ER; \ |
| 248 | } \ |
| 249 | ((Pdata*)(D))->data[((Pdata*)(D))->length++]=O; \ |
| 250 | } |
| 251 | |
| 252 | /*************************************************************************/ |
| 253 | |
| 254 | #define ARG_TUP(self, o) { \ |
| 255 | if (self->arg || (self->arg=PyTuple_New(1))) { \ |
| 256 | Py_XDECREF(PyTuple_GET_ITEM(self->arg,0)); \ |
| 257 | PyTuple_SET_ITEM(self->arg,0,o); \ |
| 258 | } \ |
| 259 | else { \ |
| 260 | Py_DECREF(o); \ |
| 261 | } \ |
| 262 | } |
| 263 | |
| 264 | #define FREE_ARG_TUP(self) { \ |
| 265 | if (self->arg->ob_refcnt > 1) { \ |
| 266 | Py_DECREF(self->arg); \ |
| 267 | self->arg=NULL; \ |
| 268 | } \ |
| 269 | } |
| 270 | |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 271 | typedef struct Picklerobject { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 272 | PyObject_HEAD |
| 273 | FILE *fp; |
| 274 | PyObject *write; |
| 275 | PyObject *file; |
| 276 | PyObject *memo; |
| 277 | PyObject *arg; |
| 278 | PyObject *pers_func; |
| 279 | PyObject *inst_pers_func; |
Tim Peters | 797ec24 | 2003-02-01 06:22:36 +0000 | [diff] [blame^] | 280 | |
| 281 | /* pickle protocol number, >= 0 */ |
| 282 | int proto; |
| 283 | |
| 284 | /* bool, true if proto > 0 */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 285 | int bin; |
Tim Peters | 797ec24 | 2003-02-01 06:22:36 +0000 | [diff] [blame^] | 286 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 287 | 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] | 288 | int nesting; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 289 | int (*write_func)(struct Picklerobject *, char *, int); |
| 290 | char *write_buf; |
| 291 | int buf_size; |
| 292 | PyObject *dispatch_table; |
| 293 | int fast_container; /* count nested container dumps */ |
| 294 | PyObject *fast_memo; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 295 | } Picklerobject; |
| 296 | |
Barry Warsaw | 52acb49 | 2001-12-21 20:04:22 +0000 | [diff] [blame] | 297 | #ifndef PY_CPICKLE_FAST_LIMIT |
| 298 | #define PY_CPICKLE_FAST_LIMIT 50 |
| 299 | #endif |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 300 | |
Jeremy Hylton | 938ace6 | 2002-07-17 16:30:39 +0000 | [diff] [blame] | 301 | static PyTypeObject Picklertype; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 302 | |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 303 | typedef struct Unpicklerobject { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 304 | PyObject_HEAD |
| 305 | FILE *fp; |
| 306 | PyObject *file; |
| 307 | PyObject *readline; |
| 308 | PyObject *read; |
| 309 | PyObject *memo; |
| 310 | PyObject *arg; |
| 311 | Pdata *stack; |
| 312 | PyObject *mark; |
| 313 | PyObject *pers_func; |
| 314 | PyObject *last_string; |
| 315 | int *marks; |
| 316 | int num_marks; |
| 317 | int marks_size; |
| 318 | int (*read_func)(struct Unpicklerobject *, char **, int); |
| 319 | int (*readline_func)(struct Unpicklerobject *, char **); |
| 320 | int buf_size; |
| 321 | char *buf; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 322 | PyObject *find_class; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 323 | } Unpicklerobject; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 324 | |
Jeremy Hylton | 938ace6 | 2002-07-17 16:30:39 +0000 | [diff] [blame] | 325 | static PyTypeObject Unpicklertype; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 326 | |
Thomas Wouters | 4789b3a | 2000-07-24 11:36:47 +0000 | [diff] [blame] | 327 | /* Forward decls that need the above structs */ |
| 328 | static int save(Picklerobject *, PyObject *, int); |
| 329 | static int put2(Picklerobject *, PyObject *); |
| 330 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 331 | int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 332 | cPickle_PyMapping_HasKey(PyObject *o, PyObject *key) |
| 333 | { |
| 334 | PyObject *v; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 335 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 336 | if ((v = PyObject_GetItem(o,key))) { |
| 337 | Py_DECREF(v); |
| 338 | return 1; |
| 339 | } |
| 340 | |
| 341 | PyErr_Clear(); |
| 342 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 343 | } |
| 344 | |
Guido van Rossum | d385d59 | 1997-04-09 17:47:47 +0000 | [diff] [blame] | 345 | static |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 346 | PyObject * |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 347 | cPickle_ErrFormat(PyObject *ErrType, char *stringformat, char *format, ...) |
| 348 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 349 | va_list va; |
| 350 | PyObject *args=0, *retval=0; |
| 351 | va_start(va, format); |
| 352 | |
| 353 | if (format) args = Py_VaBuildValue(format, va); |
| 354 | va_end(va); |
| 355 | if (format && ! args) return NULL; |
| 356 | if (stringformat && !(retval=PyString_FromString(stringformat))) |
| 357 | return NULL; |
| 358 | |
| 359 | if (retval) { |
| 360 | if (args) { |
| 361 | PyObject *v; |
| 362 | v=PyString_Format(retval, args); |
| 363 | Py_DECREF(retval); |
| 364 | Py_DECREF(args); |
| 365 | if (! v) return NULL; |
| 366 | retval=v; |
| 367 | } |
| 368 | } |
| 369 | else |
| 370 | if (args) retval=args; |
| 371 | else { |
| 372 | PyErr_SetObject(ErrType,Py_None); |
| 373 | return NULL; |
| 374 | } |
| 375 | PyErr_SetObject(ErrType,retval); |
| 376 | Py_DECREF(retval); |
| 377 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 378 | } |
| 379 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 380 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 381 | write_file(Picklerobject *self, char *s, int n) |
| 382 | { |
| 383 | size_t nbyteswritten; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 384 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 385 | if (s == NULL) { |
| 386 | return 0; |
| 387 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 388 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 389 | Py_BEGIN_ALLOW_THREADS |
Jeremy Hylton | 7fa4bfa | 2002-07-18 20:58:57 +0000 | [diff] [blame] | 390 | nbyteswritten = fwrite(s, sizeof(char), n, self->fp); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 391 | Py_END_ALLOW_THREADS |
Jeremy Hylton | 7fa4bfa | 2002-07-18 20:58:57 +0000 | [diff] [blame] | 392 | if (nbyteswritten != (size_t)n) { |
| 393 | PyErr_SetFromErrno(PyExc_IOError); |
| 394 | return -1; |
| 395 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 396 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 397 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 398 | } |
| 399 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 400 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 401 | write_cStringIO(Picklerobject *self, char *s, int n) |
| 402 | { |
| 403 | if (s == NULL) { |
| 404 | return 0; |
| 405 | } |
| 406 | |
| 407 | if (PycStringIO->cwrite((PyObject *)self->file, s, n) != n) { |
| 408 | return -1; |
| 409 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 410 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 411 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 412 | } |
| 413 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 414 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 415 | write_none(Picklerobject *self, char *s, int n) |
| 416 | { |
| 417 | if (s == NULL) return 0; |
| 418 | return n; |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 419 | } |
| 420 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 421 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 422 | write_other(Picklerobject *self, char *s, int n) |
| 423 | { |
| 424 | PyObject *py_str = 0, *junk = 0; |
| 425 | |
| 426 | if (s == NULL) { |
| 427 | if (!( self->buf_size )) return 0; |
| 428 | py_str = PyString_FromStringAndSize(self->write_buf, |
| 429 | self->buf_size); |
| 430 | if (!py_str) |
| 431 | return -1; |
| 432 | } |
| 433 | else { |
| 434 | if (self->buf_size && (n + self->buf_size) > WRITE_BUF_SIZE) { |
| 435 | if (write_other(self, NULL, 0) < 0) |
| 436 | return -1; |
| 437 | } |
| 438 | |
| 439 | if (n > WRITE_BUF_SIZE) { |
| 440 | if (!( py_str = |
| 441 | PyString_FromStringAndSize(s, n))) |
| 442 | return -1; |
| 443 | } |
| 444 | else { |
| 445 | memcpy(self->write_buf + self->buf_size, s, n); |
| 446 | self->buf_size += n; |
| 447 | return n; |
| 448 | } |
| 449 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 450 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 451 | if (self->write) { |
| 452 | /* object with write method */ |
| 453 | ARG_TUP(self, py_str); |
| 454 | if (self->arg) { |
| 455 | junk = PyObject_Call(self->write, self->arg, NULL); |
| 456 | FREE_ARG_TUP(self); |
| 457 | } |
| 458 | if (junk) Py_DECREF(junk); |
| 459 | else return -1; |
| 460 | } |
| 461 | else |
| 462 | PDATA_PUSH(self->file, py_str, -1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 463 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 464 | self->buf_size = 0; |
| 465 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 466 | } |
| 467 | |
| 468 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 469 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 470 | read_file(Unpicklerobject *self, char **s, int n) |
| 471 | { |
| 472 | size_t nbytesread; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 473 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 474 | if (self->buf_size == 0) { |
| 475 | int size; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 476 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 477 | size = ((n < 32) ? 32 : n); |
| 478 | if (!( self->buf = (char *)malloc(size * sizeof(char)))) { |
| 479 | PyErr_NoMemory(); |
| 480 | return -1; |
| 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 | self->buf_size = size; |
| 484 | } |
| 485 | else if (n > self->buf_size) { |
| 486 | self->buf = (char *)realloc(self->buf, n * sizeof(char)); |
| 487 | if (!self->buf) { |
| 488 | PyErr_NoMemory(); |
| 489 | return -1; |
| 490 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 491 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 492 | self->buf_size = n; |
| 493 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 494 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 495 | Py_BEGIN_ALLOW_THREADS |
| 496 | nbytesread = fread(self->buf, sizeof(char), n, self->fp); |
| 497 | Py_END_ALLOW_THREADS |
| 498 | if (nbytesread != (size_t)n) { |
| 499 | if (feof(self->fp)) { |
| 500 | PyErr_SetNone(PyExc_EOFError); |
| 501 | return -1; |
| 502 | } |
| 503 | |
| 504 | PyErr_SetFromErrno(PyExc_IOError); |
| 505 | return -1; |
| 506 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 507 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 508 | *s = self->buf; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 509 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 510 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 511 | } |
| 512 | |
| 513 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 514 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 515 | readline_file(Unpicklerobject *self, char **s) |
| 516 | { |
| 517 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 518 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 519 | if (self->buf_size == 0) { |
| 520 | if (!( self->buf = (char *)malloc(40 * sizeof(char)))) { |
| 521 | PyErr_NoMemory(); |
| 522 | return -1; |
| 523 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 524 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 525 | self->buf_size = 40; |
| 526 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 527 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 528 | i = 0; |
| 529 | while (1) { |
| 530 | for (; i < (self->buf_size - 1); i++) { |
| 531 | if (feof(self->fp) || |
| 532 | (self->buf[i] = getc(self->fp)) == '\n') { |
| 533 | self->buf[i + 1] = '\0'; |
| 534 | *s = self->buf; |
| 535 | return i + 1; |
| 536 | } |
| 537 | } |
| 538 | self->buf = (char *)realloc(self->buf, |
| 539 | (self->buf_size * 2) * sizeof(char)); |
| 540 | if (!self->buf) { |
| 541 | PyErr_NoMemory(); |
| 542 | return -1; |
| 543 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 544 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 545 | self->buf_size *= 2; |
| 546 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 547 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 548 | |
| 549 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 550 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 551 | read_cStringIO(Unpicklerobject *self, char **s, int n) |
| 552 | { |
| 553 | char *ptr; |
| 554 | |
| 555 | if (PycStringIO->cread((PyObject *)self->file, &ptr, n) != n) { |
| 556 | PyErr_SetNone(PyExc_EOFError); |
| 557 | return -1; |
| 558 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 559 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 560 | *s = ptr; |
| 561 | |
| 562 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 563 | } |
| 564 | |
| 565 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 566 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 567 | readline_cStringIO(Unpicklerobject *self, char **s) |
| 568 | { |
| 569 | int n; |
| 570 | char *ptr; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 571 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 572 | if ((n = PycStringIO->creadline((PyObject *)self->file, &ptr)) < 0) { |
| 573 | return -1; |
| 574 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 575 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 576 | *s = ptr; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 577 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 578 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 579 | } |
| 580 | |
| 581 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 582 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 583 | read_other(Unpicklerobject *self, char **s, int n) |
| 584 | { |
| 585 | PyObject *bytes, *str=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 586 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 587 | if (!( bytes = PyInt_FromLong(n))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 588 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 589 | ARG_TUP(self, bytes); |
| 590 | if (self->arg) { |
| 591 | str = PyObject_Call(self->read, self->arg, NULL); |
| 592 | FREE_ARG_TUP(self); |
| 593 | } |
| 594 | if (! str) return -1; |
| 595 | |
| 596 | Py_XDECREF(self->last_string); |
| 597 | self->last_string = str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 598 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 599 | if (! (*s = PyString_AsString(str))) return -1; |
| 600 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 601 | } |
| 602 | |
| 603 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 604 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 605 | readline_other(Unpicklerobject *self, char **s) |
| 606 | { |
| 607 | PyObject *str; |
| 608 | int str_size; |
| 609 | |
| 610 | if (!( str = PyObject_CallObject(self->readline, empty_tuple))) { |
| 611 | return -1; |
| 612 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 613 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 614 | if ((str_size = PyString_Size(str)) < 0) |
| 615 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 616 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 617 | Py_XDECREF(self->last_string); |
| 618 | self->last_string = str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 619 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 620 | if (! (*s = PyString_AsString(str))) |
| 621 | 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 | return str_size; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 624 | } |
| 625 | |
| 626 | |
| 627 | static char * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 628 | pystrndup(char *s, int l) |
| 629 | { |
| 630 | char *r; |
| 631 | if (!( r=malloc((l+1)*sizeof(char)))) return (char*)PyErr_NoMemory(); |
| 632 | memcpy(r,s,l); |
| 633 | r[l]=0; |
| 634 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 635 | } |
| 636 | |
| 637 | |
| 638 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 639 | get(Picklerobject *self, PyObject *id) |
| 640 | { |
| 641 | PyObject *value, *mv; |
| 642 | long c_value; |
| 643 | char s[30]; |
| 644 | size_t len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 645 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 646 | if (!( mv = PyDict_GetItem(self->memo, id))) { |
| 647 | PyErr_SetObject(PyExc_KeyError, id); |
| 648 | return -1; |
| 649 | } |
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 | if (!( value = PyTuple_GetItem(mv, 0))) |
| 652 | return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 653 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 654 | if (!( PyInt_Check(value))) { |
| 655 | PyErr_SetString(PicklingError, "no int where int expected in memo"); |
| 656 | return -1; |
| 657 | } |
| 658 | c_value = PyInt_AS_LONG((PyIntObject*)value); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 659 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 660 | if (!self->bin) { |
| 661 | s[0] = GET; |
| 662 | PyOS_snprintf(s + 1, sizeof(s) - 1, "%ld\n", c_value); |
| 663 | len = strlen(s); |
| 664 | } |
| 665 | else if (Pdata_Check(self->file)) { |
| 666 | if (write_other(self, NULL, 0) < 0) return -1; |
| 667 | PDATA_APPEND(self->file, mv, -1); |
| 668 | return 0; |
| 669 | } |
| 670 | else { |
| 671 | if (c_value < 256) { |
| 672 | s[0] = BINGET; |
| 673 | s[1] = (int)(c_value & 0xff); |
| 674 | len = 2; |
| 675 | } |
| 676 | else { |
| 677 | s[0] = LONG_BINGET; |
| 678 | s[1] = (int)(c_value & 0xff); |
| 679 | s[2] = (int)((c_value >> 8) & 0xff); |
| 680 | s[3] = (int)((c_value >> 16) & 0xff); |
| 681 | s[4] = (int)((c_value >> 24) & 0xff); |
| 682 | len = 5; |
| 683 | } |
| 684 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 685 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 686 | if ((*self->write_func)(self, s, len) < 0) |
| 687 | return -1; |
| 688 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 689 | return 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 690 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 691 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 692 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 693 | static int |
| 694 | put(Picklerobject *self, PyObject *ob) |
| 695 | { |
| 696 | if (ob->ob_refcnt < 2 || self->fast) |
| 697 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 698 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 699 | return put2(self, ob); |
| 700 | } |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 701 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 702 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 703 | static int |
| 704 | put2(Picklerobject *self, PyObject *ob) |
| 705 | { |
| 706 | char c_str[30]; |
| 707 | int p; |
| 708 | size_t len; |
| 709 | int res = -1; |
| 710 | PyObject *py_ob_id = 0, *memo_len = 0, *t = 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 711 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 712 | if (self->fast) |
| 713 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 714 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 715 | if ((p = PyDict_Size(self->memo)) < 0) |
| 716 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 717 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 718 | /* Make sure memo keys are positive! */ |
| 719 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 720 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 721 | if (!( py_ob_id = PyLong_FromVoidPtr(ob))) |
| 722 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 723 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 724 | if (!( memo_len = PyInt_FromLong(p))) |
| 725 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 726 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 727 | if (!( t = PyTuple_New(2))) |
| 728 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 729 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 730 | PyTuple_SET_ITEM(t, 0, memo_len); |
| 731 | Py_INCREF(memo_len); |
| 732 | PyTuple_SET_ITEM(t, 1, ob); |
| 733 | Py_INCREF(ob); |
| 734 | |
| 735 | if (PyDict_SetItem(self->memo, py_ob_id, t) < 0) |
| 736 | goto finally; |
| 737 | |
| 738 | if (!self->bin) { |
| 739 | c_str[0] = PUT; |
| 740 | PyOS_snprintf(c_str + 1, sizeof(c_str) - 1, "%d\n", p); |
| 741 | len = strlen(c_str); |
| 742 | } |
| 743 | else if (Pdata_Check(self->file)) { |
| 744 | if (write_other(self, NULL, 0) < 0) return -1; |
| 745 | PDATA_APPEND(self->file, memo_len, -1); |
| 746 | res=0; /* Job well done ;) */ |
| 747 | goto finally; |
| 748 | } |
| 749 | else { |
| 750 | if (p >= 256) { |
| 751 | c_str[0] = LONG_BINPUT; |
| 752 | c_str[1] = (int)(p & 0xff); |
| 753 | c_str[2] = (int)((p >> 8) & 0xff); |
| 754 | c_str[3] = (int)((p >> 16) & 0xff); |
| 755 | c_str[4] = (int)((p >> 24) & 0xff); |
| 756 | len = 5; |
| 757 | } |
| 758 | else { |
| 759 | c_str[0] = BINPUT; |
| 760 | c_str[1] = p; |
| 761 | len = 2; |
| 762 | } |
| 763 | } |
| 764 | |
| 765 | if ((*self->write_func)(self, c_str, len) < 0) |
| 766 | goto finally; |
| 767 | |
| 768 | res = 0; |
| 769 | |
| 770 | finally: |
| 771 | Py_XDECREF(py_ob_id); |
| 772 | Py_XDECREF(memo_len); |
| 773 | Py_XDECREF(t); |
| 774 | |
| 775 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 776 | } |
| 777 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 778 | #define PyImport_Import cPickle_Import |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 779 | |
| 780 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 781 | PyImport_Import(PyObject *module_name) |
| 782 | { |
| 783 | static PyObject *silly_list=0, *__builtins___str=0, *__import___str; |
| 784 | static PyObject *standard_builtins=0; |
| 785 | PyObject *globals=0, *__import__=0, *__builtins__=0, *r=0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 786 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 787 | if (!( silly_list )) { |
| 788 | if (!( __import___str=PyString_FromString("__import__"))) |
| 789 | return NULL; |
| 790 | if (!( __builtins___str=PyString_FromString("__builtins__"))) |
| 791 | return NULL; |
| 792 | if (!( silly_list=Py_BuildValue("[s]","__doc__"))) |
| 793 | return NULL; |
| 794 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 795 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 796 | if ((globals=PyEval_GetGlobals())) { |
| 797 | Py_INCREF(globals); |
| 798 | __builtins__=PyObject_GetItem(globals,__builtins___str); |
| 799 | if (!__builtins__) |
| 800 | goto err; |
| 801 | } |
| 802 | else { |
| 803 | PyErr_Clear(); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 804 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 805 | if (!(standard_builtins || |
| 806 | (standard_builtins=PyImport_ImportModule("__builtin__")))) |
| 807 | return NULL; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 808 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 809 | __builtins__=standard_builtins; |
| 810 | Py_INCREF(__builtins__); |
| 811 | globals = Py_BuildValue("{sO}", "__builtins__", __builtins__); |
| 812 | if (!globals) |
| 813 | goto err; |
| 814 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 815 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 816 | if (PyDict_Check(__builtins__)) { |
| 817 | __import__=PyObject_GetItem(__builtins__,__import___str); |
| 818 | if (!__import__) goto err; |
| 819 | } |
| 820 | else { |
| 821 | __import__=PyObject_GetAttr(__builtins__,__import___str); |
| 822 | if (!__import__) goto err; |
| 823 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 824 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 825 | r=PyObject_CallFunction(__import__,"OOOO", |
| 826 | module_name, globals, globals, silly_list); |
| 827 | if (!r) |
| 828 | goto err; |
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 | Py_DECREF(globals); |
| 831 | Py_DECREF(__builtins__); |
| 832 | Py_DECREF(__import__); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 833 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 834 | return r; |
| 835 | err: |
| 836 | Py_XDECREF(globals); |
| 837 | Py_XDECREF(__builtins__); |
| 838 | Py_XDECREF(__import__); |
| 839 | return NULL; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 840 | } |
| 841 | |
| 842 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 843 | whichmodule(PyObject *global, PyObject *global_name) |
| 844 | { |
| 845 | int i, j; |
| 846 | PyObject *module = 0, *modules_dict = 0, |
| 847 | *global_name_attr = 0, *name = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 848 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 849 | module = PyObject_GetAttrString(global, "__module__"); |
| 850 | if (module) return module; |
| 851 | PyErr_Clear(); |
Guido van Rossum | 4518823 | 1997-09-28 05:38:51 +0000 | [diff] [blame] | 852 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 853 | if (!( modules_dict = PySys_GetObject("modules"))) |
| 854 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 855 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 856 | i = 0; |
| 857 | while ((j = PyDict_Next(modules_dict, &i, &name, &module))) { |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 858 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 859 | if (PyObject_Compare(name, __main___str)==0) continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 860 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 861 | global_name_attr = PyObject_GetAttr(module, global_name); |
| 862 | if (!global_name_attr) { |
| 863 | PyErr_Clear(); |
| 864 | continue; |
| 865 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 866 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 867 | if (global_name_attr != global) { |
| 868 | Py_DECREF(global_name_attr); |
| 869 | continue; |
| 870 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 871 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 872 | Py_DECREF(global_name_attr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 873 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 874 | break; |
| 875 | } |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 876 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 877 | /* The following implements the rule in pickle.py added in 1.5 |
| 878 | that used __main__ if no module is found. I don't actually |
| 879 | like this rule. jlf |
| 880 | */ |
| 881 | if (!j) { |
| 882 | j=1; |
| 883 | name=__main___str; |
| 884 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 885 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 886 | Py_INCREF(name); |
| 887 | return name; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 888 | } |
| 889 | |
| 890 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 891 | static int |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 892 | fast_save_enter(Picklerobject *self, PyObject *obj) |
| 893 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 894 | /* if fast_container < 0, we're doing an error exit. */ |
| 895 | if (++self->fast_container >= PY_CPICKLE_FAST_LIMIT) { |
| 896 | PyObject *key = NULL; |
| 897 | if (self->fast_memo == NULL) { |
| 898 | self->fast_memo = PyDict_New(); |
| 899 | if (self->fast_memo == NULL) { |
| 900 | self->fast_container = -1; |
| 901 | return 0; |
| 902 | } |
| 903 | } |
| 904 | key = PyLong_FromVoidPtr(obj); |
| 905 | if (key == NULL) |
| 906 | return 0; |
| 907 | if (PyDict_GetItem(self->fast_memo, key)) { |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 908 | Py_DECREF(key); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 909 | PyErr_Format(PyExc_ValueError, |
| 910 | "fast mode: can't pickle cyclic objects including object type %s at %p", |
| 911 | obj->ob_type->tp_name, obj); |
| 912 | self->fast_container = -1; |
| 913 | return 0; |
| 914 | } |
| 915 | if (PyDict_SetItem(self->fast_memo, key, Py_None) < 0) { |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 916 | Py_DECREF(key); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 917 | self->fast_container = -1; |
| 918 | return 0; |
| 919 | } |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 920 | Py_DECREF(key); |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 921 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 922 | return 1; |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 923 | } |
| 924 | |
| 925 | int |
| 926 | fast_save_leave(Picklerobject *self, PyObject *obj) |
| 927 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 928 | if (self->fast_container-- >= PY_CPICKLE_FAST_LIMIT) { |
| 929 | PyObject *key = PyLong_FromVoidPtr(obj); |
| 930 | if (key == NULL) |
| 931 | return 0; |
| 932 | if (PyDict_DelItem(self->fast_memo, key) < 0) { |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 933 | Py_DECREF(key); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 934 | return 0; |
| 935 | } |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 936 | Py_DECREF(key); |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 937 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 938 | return 1; |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 939 | } |
| 940 | |
| 941 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 942 | save_none(Picklerobject *self, PyObject *args) |
| 943 | { |
| 944 | static char none = NONE; |
| 945 | if ((*self->write_func)(self, &none, 1) < 0) |
| 946 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 947 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 948 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 949 | } |
| 950 | |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 951 | static int |
| 952 | save_bool(Picklerobject *self, PyObject *args) |
| 953 | { |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 954 | static char *buf[2] = {FALSE, TRUE}; |
| 955 | static char len[2] = {sizeof(FALSE)-1, sizeof(TRUE)-1}; |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 956 | long l = PyInt_AS_LONG((PyIntObject *)args); |
| 957 | |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 958 | if ((*self->write_func)(self, buf[l], len[l]) < 0) |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 959 | return -1; |
| 960 | |
| 961 | return 0; |
| 962 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 963 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 964 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 965 | save_int(Picklerobject *self, PyObject *args) |
| 966 | { |
| 967 | char c_str[32]; |
| 968 | long l = PyInt_AS_LONG((PyIntObject *)args); |
| 969 | int len = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 970 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 971 | if (!self->bin |
Guido van Rossum | de8d6d7 | 1997-05-13 18:00:44 +0000 | [diff] [blame] | 972 | #if SIZEOF_LONG > 4 |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 973 | || l > 0x7fffffffL |
| 974 | || l < -0x80000000L |
Guido van Rossum | de8d6d7 | 1997-05-13 18:00:44 +0000 | [diff] [blame] | 975 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 976 | ) { |
| 977 | /* Text-mode pickle, or long too big to fit in the 4-byte |
| 978 | * signed BININT format: store as a string. |
| 979 | */ |
| 980 | c_str[0] = INT; |
| 981 | PyOS_snprintf(c_str + 1, sizeof(c_str) - 1, "%ld\n", l); |
| 982 | if ((*self->write_func)(self, c_str, strlen(c_str)) < 0) |
| 983 | return -1; |
| 984 | } |
| 985 | else { |
| 986 | /* Binary pickle and l fits in a signed 4-byte int. */ |
| 987 | c_str[1] = (int)( l & 0xff); |
| 988 | c_str[2] = (int)((l >> 8) & 0xff); |
| 989 | c_str[3] = (int)((l >> 16) & 0xff); |
| 990 | c_str[4] = (int)((l >> 24) & 0xff); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 991 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 992 | if ((c_str[4] == 0) && (c_str[3] == 0)) { |
| 993 | if (c_str[2] == 0) { |
| 994 | c_str[0] = BININT1; |
| 995 | len = 2; |
| 996 | } |
| 997 | else { |
| 998 | c_str[0] = BININT2; |
| 999 | len = 3; |
| 1000 | } |
| 1001 | } |
| 1002 | else { |
| 1003 | c_str[0] = BININT; |
| 1004 | len = 5; |
| 1005 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1006 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1007 | if ((*self->write_func)(self, c_str, len) < 0) |
| 1008 | return -1; |
| 1009 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1010 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1011 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1012 | } |
| 1013 | |
| 1014 | |
| 1015 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1016 | save_long(Picklerobject *self, PyObject *args) |
| 1017 | { |
| 1018 | int size, res = -1; |
| 1019 | PyObject *repr = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1020 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1021 | static char l = LONG; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1022 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1023 | if (!( repr = PyObject_Repr(args))) |
| 1024 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1025 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1026 | if ((size = PyString_Size(repr)) < 0) |
| 1027 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1028 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1029 | if ((*self->write_func)(self, &l, 1) < 0) |
| 1030 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1031 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1032 | if ((*self->write_func)(self, |
| 1033 | PyString_AS_STRING((PyStringObject *)repr), |
| 1034 | size) < 0) |
| 1035 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1036 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1037 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1038 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1039 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1040 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1041 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1042 | finally: |
| 1043 | Py_XDECREF(repr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1044 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1045 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1046 | } |
| 1047 | |
| 1048 | |
| 1049 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1050 | save_float(Picklerobject *self, PyObject *args) |
| 1051 | { |
| 1052 | double x = PyFloat_AS_DOUBLE((PyFloatObject *)args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1053 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1054 | if (self->bin) { |
| 1055 | int s, e; |
| 1056 | double f; |
| 1057 | long fhi, flo; |
| 1058 | char str[9]; |
| 1059 | unsigned char *p = (unsigned char *)str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1060 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1061 | *p = BINFLOAT; |
| 1062 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1063 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1064 | if (x < 0) { |
| 1065 | s = 1; |
| 1066 | x = -x; |
| 1067 | } |
| 1068 | else |
| 1069 | s = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1070 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1071 | f = frexp(x, &e); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1072 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1073 | /* Normalize f to be in the range [1.0, 2.0) */ |
| 1074 | if (0.5 <= f && f < 1.0) { |
| 1075 | f *= 2.0; |
| 1076 | e--; |
| 1077 | } |
| 1078 | else if (f == 0.0) { |
| 1079 | e = 0; |
| 1080 | } |
| 1081 | else { |
| 1082 | PyErr_SetString(PyExc_SystemError, |
| 1083 | "frexp() result out of range"); |
| 1084 | return -1; |
| 1085 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1086 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1087 | if (e >= 1024) { |
| 1088 | /* XXX 1024 itself is reserved for Inf/NaN */ |
| 1089 | PyErr_SetString(PyExc_OverflowError, |
| 1090 | "float too large to pack with d format"); |
| 1091 | return -1; |
| 1092 | } |
| 1093 | else if (e < -1022) { |
| 1094 | /* Gradual underflow */ |
| 1095 | f = ldexp(f, 1022 + e); |
| 1096 | e = 0; |
| 1097 | } |
| 1098 | else if (!(e == 0 && f == 0.0)) { |
| 1099 | e += 1023; |
| 1100 | f -= 1.0; /* Get rid of leading 1 */ |
| 1101 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1102 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1103 | /* fhi receives the high 28 bits; |
| 1104 | flo the low 24 bits (== 52 bits) */ |
| 1105 | f *= 268435456.0; /* 2**28 */ |
| 1106 | fhi = (long) floor(f); /* Truncate */ |
| 1107 | f -= (double)fhi; |
| 1108 | f *= 16777216.0; /* 2**24 */ |
| 1109 | flo = (long) floor(f + 0.5); /* Round */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1110 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1111 | /* First byte */ |
| 1112 | *p = (s<<7) | (e>>4); |
| 1113 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1114 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1115 | /* Second byte */ |
| 1116 | *p = (unsigned char) (((e&0xF)<<4) | (fhi>>24)); |
| 1117 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1118 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1119 | /* Third byte */ |
| 1120 | *p = (unsigned char) ((fhi>>16) & 0xFF); |
| 1121 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1122 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1123 | /* Fourth byte */ |
| 1124 | *p = (unsigned char) ((fhi>>8) & 0xFF); |
| 1125 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1126 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1127 | /* Fifth byte */ |
| 1128 | *p = (unsigned char) (fhi & 0xFF); |
| 1129 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1130 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1131 | /* Sixth byte */ |
| 1132 | *p = (unsigned char) ((flo>>16) & 0xFF); |
| 1133 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1134 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1135 | /* Seventh byte */ |
| 1136 | *p = (unsigned char) ((flo>>8) & 0xFF); |
| 1137 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1138 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1139 | /* Eighth byte */ |
| 1140 | *p = (unsigned char) (flo & 0xFF); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1141 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1142 | if ((*self->write_func)(self, str, 9) < 0) |
| 1143 | return -1; |
| 1144 | } |
| 1145 | else { |
| 1146 | char c_str[250]; |
| 1147 | c_str[0] = FLOAT; |
| 1148 | 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] | 1149 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1150 | if ((*self->write_func)(self, c_str, strlen(c_str)) < 0) |
| 1151 | return -1; |
| 1152 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1153 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1154 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1155 | } |
| 1156 | |
| 1157 | |
| 1158 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1159 | save_string(Picklerobject *self, PyObject *args, int doput) |
| 1160 | { |
| 1161 | int size, len; |
| 1162 | PyObject *repr=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1163 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1164 | if ((size = PyString_Size(args)) < 0) |
| 1165 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1166 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1167 | if (!self->bin) { |
| 1168 | char *repr_str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1169 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1170 | static char string = STRING; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1171 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1172 | if (!( repr = PyObject_Repr(args))) |
| 1173 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1174 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1175 | if ((len = PyString_Size(repr)) < 0) |
| 1176 | goto err; |
| 1177 | repr_str = PyString_AS_STRING((PyStringObject *)repr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1178 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1179 | if ((*self->write_func)(self, &string, 1) < 0) |
| 1180 | goto err; |
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->write_func)(self, repr_str, len) < 0) |
| 1183 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1184 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1185 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1186 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1187 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1188 | Py_XDECREF(repr); |
| 1189 | } |
| 1190 | else { |
| 1191 | int i; |
| 1192 | char c_str[5]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1193 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1194 | if ((size = PyString_Size(args)) < 0) |
| 1195 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1196 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1197 | if (size < 256) { |
| 1198 | c_str[0] = SHORT_BINSTRING; |
| 1199 | c_str[1] = size; |
| 1200 | len = 2; |
| 1201 | } |
| 1202 | else { |
| 1203 | c_str[0] = BINSTRING; |
| 1204 | for (i = 1; i < 5; i++) |
| 1205 | c_str[i] = (int)(size >> ((i - 1) * 8)); |
| 1206 | len = 5; |
| 1207 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1208 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1209 | if ((*self->write_func)(self, c_str, len) < 0) |
| 1210 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1211 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1212 | if (size > 128 && Pdata_Check(self->file)) { |
| 1213 | if (write_other(self, NULL, 0) < 0) return -1; |
| 1214 | PDATA_APPEND(self->file, args, -1); |
| 1215 | } |
| 1216 | else { |
| 1217 | if ((*self->write_func)(self, |
| 1218 | PyString_AS_STRING((PyStringObject *)args), size) < 0) |
| 1219 | return -1; |
| 1220 | } |
| 1221 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1222 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1223 | if (doput) |
| 1224 | if (put(self, args) < 0) |
| 1225 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1226 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1227 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1228 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1229 | err: |
| 1230 | Py_XDECREF(repr); |
| 1231 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1232 | } |
| 1233 | |
| 1234 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1235 | #ifdef Py_USING_UNICODE |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1236 | /* A copy of PyUnicode_EncodeRawUnicodeEscape() that also translates |
| 1237 | backslash and newline characters to \uXXXX escapes. */ |
| 1238 | static PyObject * |
| 1239 | modified_EncodeRawUnicodeEscape(const Py_UNICODE *s, int size) |
| 1240 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1241 | PyObject *repr; |
| 1242 | char *p; |
| 1243 | char *q; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1244 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1245 | static const char *hexdigit = "0123456789ABCDEF"; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1246 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1247 | repr = PyString_FromStringAndSize(NULL, 6 * size); |
| 1248 | if (repr == NULL) |
| 1249 | return NULL; |
| 1250 | if (size == 0) |
| 1251 | return repr; |
| 1252 | |
| 1253 | p = q = PyString_AS_STRING(repr); |
| 1254 | while (size-- > 0) { |
| 1255 | Py_UNICODE ch = *s++; |
| 1256 | /* Map 16-bit characters to '\uxxxx' */ |
| 1257 | if (ch >= 256 || ch == '\\' || ch == '\n') { |
| 1258 | *p++ = '\\'; |
| 1259 | *p++ = 'u'; |
| 1260 | *p++ = hexdigit[(ch >> 12) & 0xf]; |
| 1261 | *p++ = hexdigit[(ch >> 8) & 0xf]; |
| 1262 | *p++ = hexdigit[(ch >> 4) & 0xf]; |
| 1263 | *p++ = hexdigit[ch & 15]; |
| 1264 | } |
| 1265 | /* Copy everything else as-is */ |
| 1266 | else |
| 1267 | *p++ = (char) ch; |
| 1268 | } |
| 1269 | *p = '\0'; |
Tim Peters | 5de9842 | 2002-04-27 18:44:32 +0000 | [diff] [blame] | 1270 | _PyString_Resize(&repr, p - q); |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1271 | return repr; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1272 | } |
| 1273 | |
| 1274 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1275 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1276 | save_unicode(Picklerobject *self, PyObject *args, int doput) |
| 1277 | { |
| 1278 | int size, len; |
| 1279 | PyObject *repr=0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1280 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1281 | if (!PyUnicode_Check(args)) |
| 1282 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1283 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1284 | if (!self->bin) { |
| 1285 | char *repr_str; |
| 1286 | static char string = UNICODE; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1287 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1288 | repr = modified_EncodeRawUnicodeEscape( |
| 1289 | PyUnicode_AS_UNICODE(args), PyUnicode_GET_SIZE(args)); |
| 1290 | if (!repr) |
| 1291 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1292 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1293 | if ((len = PyString_Size(repr)) < 0) |
| 1294 | goto err; |
| 1295 | repr_str = PyString_AS_STRING((PyStringObject *)repr); |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1296 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1297 | if ((*self->write_func)(self, &string, 1) < 0) |
| 1298 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1299 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1300 | if ((*self->write_func)(self, repr_str, len) < 0) |
| 1301 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1302 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1303 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1304 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1305 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1306 | Py_XDECREF(repr); |
| 1307 | } |
| 1308 | else { |
| 1309 | int i; |
| 1310 | char c_str[5]; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1311 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1312 | if (!( repr = PyUnicode_AsUTF8String(args))) |
| 1313 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1314 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1315 | if ((size = PyString_Size(repr)) < 0) |
| 1316 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1317 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1318 | c_str[0] = BINUNICODE; |
| 1319 | for (i = 1; i < 5; i++) |
| 1320 | c_str[i] = (int)(size >> ((i - 1) * 8)); |
| 1321 | len = 5; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1322 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1323 | if ((*self->write_func)(self, c_str, len) < 0) |
| 1324 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1325 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1326 | if (size > 128 && Pdata_Check(self->file)) { |
| 1327 | if (write_other(self, NULL, 0) < 0) |
| 1328 | goto err; |
| 1329 | PDATA_APPEND(self->file, repr, -1); |
| 1330 | } |
| 1331 | else { |
| 1332 | if ((*self->write_func)(self, PyString_AS_STRING(repr), |
| 1333 | size) < 0) |
| 1334 | goto err; |
| 1335 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1336 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1337 | Py_DECREF(repr); |
| 1338 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1339 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1340 | if (doput) |
| 1341 | if (put(self, args) < 0) |
| 1342 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1343 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1344 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1345 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1346 | err: |
| 1347 | Py_XDECREF(repr); |
| 1348 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1349 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1350 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1351 | |
| 1352 | |
| 1353 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1354 | save_tuple(Picklerobject *self, PyObject *args) |
| 1355 | { |
| 1356 | PyObject *element = 0, *py_tuple_id = 0; |
| 1357 | int len, i, res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1358 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1359 | static char tuple = TUPLE; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1360 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1361 | if ((*self->write_func)(self, &MARKv, 1) < 0) |
| 1362 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1363 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1364 | if ((len = PyTuple_Size(args)) < 0) |
| 1365 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1366 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1367 | for (i = 0; i < len; i++) { |
| 1368 | if (!( element = PyTuple_GET_ITEM((PyTupleObject *)args, i))) |
| 1369 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1370 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1371 | if (save(self, element, 0) < 0) |
| 1372 | goto finally; |
| 1373 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1374 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1375 | if (!( py_tuple_id = PyLong_FromVoidPtr(args))) |
| 1376 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1377 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1378 | if (len) { |
| 1379 | if (PyDict_GetItem(self->memo, py_tuple_id)) { |
| 1380 | if (self->bin) { |
| 1381 | static char pop_mark = POP_MARK; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1382 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1383 | if ((*self->write_func)(self, &pop_mark, 1) < 0) |
| 1384 | goto finally; |
| 1385 | } |
| 1386 | else { |
| 1387 | static char pop = POP; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1388 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1389 | for (i = 0; i <= len; i++) { |
| 1390 | if ((*self->write_func)(self, &pop, 1) < 0) |
| 1391 | goto finally; |
| 1392 | } |
| 1393 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1394 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1395 | if (get(self, py_tuple_id) < 0) |
| 1396 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1397 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1398 | res = 0; |
| 1399 | goto finally; |
| 1400 | } |
| 1401 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1402 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1403 | if ((*self->write_func)(self, &tuple, 1) < 0) { |
| 1404 | goto finally; |
| 1405 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1406 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1407 | if (put(self, args) < 0) |
| 1408 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1409 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1410 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1411 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1412 | finally: |
| 1413 | Py_XDECREF(py_tuple_id); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1414 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1415 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1416 | } |
| 1417 | |
| 1418 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1419 | save_empty_tuple(Picklerobject *self, PyObject *args) |
| 1420 | { |
| 1421 | static char tuple = EMPTY_TUPLE; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1422 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1423 | return (*self->write_func)(self, &tuple, 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1424 | } |
| 1425 | |
| 1426 | |
| 1427 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1428 | save_list(Picklerobject *self, PyObject *args) |
| 1429 | { |
| 1430 | PyObject *element = 0; |
| 1431 | int s_len, len, i, using_appends, res = -1; |
| 1432 | char s[3]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1433 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1434 | static char append = APPEND, appends = APPENDS; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1435 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1436 | if (self->fast && !fast_save_enter(self, args)) |
| 1437 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1438 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1439 | if (self->bin) { |
| 1440 | s[0] = EMPTY_LIST; |
| 1441 | s_len = 1; |
| 1442 | } |
| 1443 | else { |
| 1444 | s[0] = MARK; |
| 1445 | s[1] = LIST; |
| 1446 | s_len = 2; |
| 1447 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1448 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1449 | if ((len = PyList_Size(args)) < 0) |
| 1450 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1451 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1452 | if ((*self->write_func)(self, s, s_len) < 0) |
| 1453 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1454 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1455 | if (len == 0) { |
| 1456 | if (put(self, args) < 0) |
| 1457 | goto finally; |
| 1458 | } |
| 1459 | else { |
| 1460 | if (put2(self, args) < 0) |
| 1461 | goto finally; |
| 1462 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1463 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1464 | if ((using_appends = (self->bin && (len > 1)))) |
| 1465 | if ((*self->write_func)(self, &MARKv, 1) < 0) |
| 1466 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1467 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1468 | for (i = 0; i < len; i++) { |
| 1469 | if (!( element = PyList_GET_ITEM((PyListObject *)args, i))) |
| 1470 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1471 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1472 | if (save(self, element, 0) < 0) |
| 1473 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1474 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1475 | if (!using_appends) { |
| 1476 | if ((*self->write_func)(self, &append, 1) < 0) |
| 1477 | goto finally; |
| 1478 | } |
| 1479 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1480 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1481 | if (using_appends) { |
| 1482 | if ((*self->write_func)(self, &appends, 1) < 0) |
| 1483 | goto finally; |
| 1484 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1485 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1486 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1487 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1488 | finally: |
| 1489 | if (self->fast && !fast_save_leave(self, args)) |
| 1490 | res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1491 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1492 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1493 | } |
| 1494 | |
| 1495 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1496 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1497 | save_dict(Picklerobject *self, PyObject *args) |
| 1498 | { |
| 1499 | PyObject *key = 0, *value = 0; |
| 1500 | int i, len, res = -1, using_setitems; |
| 1501 | char s[3]; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1502 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1503 | static char setitem = SETITEM, setitems = SETITEMS; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1504 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1505 | if (self->fast && !fast_save_enter(self, args)) |
| 1506 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1507 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1508 | if (self->bin) { |
| 1509 | s[0] = EMPTY_DICT; |
| 1510 | len = 1; |
| 1511 | } |
| 1512 | else { |
| 1513 | s[0] = MARK; |
| 1514 | s[1] = DICT; |
| 1515 | len = 2; |
| 1516 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1517 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1518 | if ((*self->write_func)(self, s, len) < 0) |
| 1519 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1520 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1521 | if ((len = PyDict_Size(args)) < 0) |
| 1522 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1523 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1524 | if (len == 0) { |
| 1525 | if (put(self, args) < 0) |
| 1526 | goto finally; |
| 1527 | } |
| 1528 | else { |
| 1529 | if (put2(self, args) < 0) |
| 1530 | goto finally; |
| 1531 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1532 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1533 | if ((using_setitems = (self->bin && (PyDict_Size(args) > 1)))) |
| 1534 | if ((*self->write_func)(self, &MARKv, 1) < 0) |
| 1535 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1536 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1537 | i = 0; |
| 1538 | while (PyDict_Next(args, &i, &key, &value)) { |
| 1539 | if (save(self, key, 0) < 0) |
| 1540 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1541 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1542 | if (save(self, value, 0) < 0) |
| 1543 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1544 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1545 | if (!using_setitems) { |
| 1546 | if ((*self->write_func)(self, &setitem, 1) < 0) |
| 1547 | goto finally; |
| 1548 | } |
| 1549 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1550 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1551 | if (using_setitems) { |
| 1552 | if ((*self->write_func)(self, &setitems, 1) < 0) |
| 1553 | goto finally; |
| 1554 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1555 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1556 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1557 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1558 | finally: |
| 1559 | if (self->fast && !fast_save_leave(self, args)) |
| 1560 | res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1561 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1562 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1563 | } |
| 1564 | |
| 1565 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1566 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1567 | save_inst(Picklerobject *self, PyObject *args) |
| 1568 | { |
| 1569 | PyObject *class = 0, *module = 0, *name = 0, *state = 0, |
| 1570 | *getinitargs_func = 0, *getstate_func = 0, *class_args = 0; |
| 1571 | char *module_str, *name_str; |
| 1572 | int module_size, name_size, res = -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1573 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1574 | static char inst = INST, obj = OBJ, build = BUILD; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1575 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1576 | if (self->fast && !fast_save_enter(self, args)) |
| 1577 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1578 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1579 | if ((*self->write_func)(self, &MARKv, 1) < 0) |
| 1580 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1581 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1582 | if (!( class = PyObject_GetAttr(args, __class___str))) |
| 1583 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1584 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1585 | if (self->bin) { |
| 1586 | if (save(self, class, 0) < 0) |
| 1587 | goto finally; |
| 1588 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1589 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1590 | if ((getinitargs_func = PyObject_GetAttr(args, __getinitargs___str))) { |
| 1591 | PyObject *element = 0; |
| 1592 | int i, len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1593 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1594 | if (!( class_args = |
| 1595 | PyObject_Call(getinitargs_func, empty_tuple, NULL))) |
| 1596 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1597 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1598 | if ((len = PyObject_Size(class_args)) < 0) |
| 1599 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1600 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1601 | for (i = 0; i < len; i++) { |
| 1602 | if (!( element = PySequence_GetItem(class_args, i))) |
| 1603 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1604 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1605 | if (save(self, element, 0) < 0) { |
| 1606 | Py_DECREF(element); |
| 1607 | goto finally; |
| 1608 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1609 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1610 | Py_DECREF(element); |
| 1611 | } |
| 1612 | } |
| 1613 | else { |
| 1614 | PyErr_Clear(); |
| 1615 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1616 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1617 | if (!self->bin) { |
| 1618 | if (!( name = ((PyClassObject *)class)->cl_name )) { |
| 1619 | PyErr_SetString(PicklingError, "class has no name"); |
| 1620 | goto finally; |
| 1621 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1622 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1623 | if (!( module = whichmodule(class, name))) |
| 1624 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1625 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1626 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1627 | if ((module_size = PyString_Size(module)) < 0 || |
| 1628 | (name_size = PyString_Size(name)) < 0) |
| 1629 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1630 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1631 | module_str = PyString_AS_STRING((PyStringObject *)module); |
| 1632 | name_str = PyString_AS_STRING((PyStringObject *)name); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1633 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1634 | if ((*self->write_func)(self, &inst, 1) < 0) |
| 1635 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1636 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1637 | if ((*self->write_func)(self, module_str, module_size) < 0) |
| 1638 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1639 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1640 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1641 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1642 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1643 | if ((*self->write_func)(self, name_str, name_size) < 0) |
| 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 ((*self->write_func)(self, "\n", 1) < 0) |
| 1647 | goto finally; |
| 1648 | } |
| 1649 | else if ((*self->write_func)(self, &obj, 1) < 0) { |
| 1650 | goto finally; |
| 1651 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1652 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1653 | if ((getstate_func = PyObject_GetAttr(args, __getstate___str))) { |
| 1654 | state = PyObject_Call(getstate_func, empty_tuple, NULL); |
| 1655 | if (!state) |
| 1656 | goto finally; |
| 1657 | } |
| 1658 | else { |
| 1659 | PyErr_Clear(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1660 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1661 | if (!( state = PyObject_GetAttr(args, __dict___str))) { |
| 1662 | PyErr_Clear(); |
| 1663 | res = 0; |
| 1664 | goto finally; |
| 1665 | } |
| 1666 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1667 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1668 | if (!PyDict_Check(state)) { |
| 1669 | if (put2(self, args) < 0) |
| 1670 | goto finally; |
| 1671 | } |
| 1672 | else { |
| 1673 | if (put(self, args) < 0) |
| 1674 | goto finally; |
| 1675 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1676 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1677 | if (save(self, state, 0) < 0) |
| 1678 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1679 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1680 | if ((*self->write_func)(self, &build, 1) < 0) |
| 1681 | goto finally; |
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 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1684 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1685 | finally: |
| 1686 | if (self->fast && !fast_save_leave(self, args)) |
| 1687 | res = -1; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1688 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1689 | Py_XDECREF(module); |
| 1690 | Py_XDECREF(class); |
| 1691 | Py_XDECREF(state); |
| 1692 | Py_XDECREF(getinitargs_func); |
| 1693 | Py_XDECREF(getstate_func); |
| 1694 | Py_XDECREF(class_args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1695 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1696 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1697 | } |
| 1698 | |
| 1699 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1700 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1701 | save_global(Picklerobject *self, PyObject *args, PyObject *name) |
| 1702 | { |
Jeremy Hylton | 9ee91f1 | 2002-07-11 22:02:33 +0000 | [diff] [blame] | 1703 | PyObject *global_name = 0, *module = 0, *mod = 0, *klass = 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1704 | char *name_str, *module_str; |
| 1705 | int module_size, name_size, res = -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1706 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1707 | static char global = GLOBAL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1708 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1709 | if (name) { |
| 1710 | global_name = name; |
| 1711 | Py_INCREF(global_name); |
| 1712 | } |
| 1713 | else { |
| 1714 | if (!( global_name = PyObject_GetAttr(args, __name___str))) |
| 1715 | goto finally; |
| 1716 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1717 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1718 | if (!( module = whichmodule(args, global_name))) |
| 1719 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1720 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1721 | if ((module_size = PyString_Size(module)) < 0 || |
| 1722 | (name_size = PyString_Size(global_name)) < 0) |
| 1723 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1724 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1725 | module_str = PyString_AS_STRING((PyStringObject *)module); |
| 1726 | name_str = PyString_AS_STRING((PyStringObject *)global_name); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1727 | |
Guido van Rossum | 75bfd05 | 2002-12-24 18:10:07 +0000 | [diff] [blame] | 1728 | /* XXX This can be doing a relative import. Clearly it shouldn't, |
| 1729 | but I don't know how to stop it. :-( */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1730 | mod = PyImport_ImportModule(module_str); |
| 1731 | if (mod == NULL) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1732 | cPickle_ErrFormat(PicklingError, |
| 1733 | "Can't pickle %s: it's not found as %s.%s", |
| 1734 | "OSS", args, module, global_name); |
| 1735 | goto finally; |
| 1736 | } |
Jeremy Hylton | 0e1f7a8 | 2002-07-11 22:01:40 +0000 | [diff] [blame] | 1737 | klass = PyObject_GetAttrString(mod, name_str); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1738 | if (klass == NULL) { |
| 1739 | cPickle_ErrFormat(PicklingError, |
| 1740 | "Can't pickle %s: it's not found as %s.%s", |
| 1741 | "OSS", args, module, global_name); |
| 1742 | goto finally; |
| 1743 | } |
| 1744 | if (klass != args) { |
Jeremy Hylton | 0e1f7a8 | 2002-07-11 22:01:40 +0000 | [diff] [blame] | 1745 | Py_DECREF(klass); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1746 | cPickle_ErrFormat(PicklingError, |
| 1747 | "Can't pickle %s: it's not the same object as %s.%s", |
| 1748 | "OSS", args, module, global_name); |
| 1749 | goto finally; |
| 1750 | } |
Jeremy Hylton | 0e1f7a8 | 2002-07-11 22:01:40 +0000 | [diff] [blame] | 1751 | Py_DECREF(klass); |
Guido van Rossum | a92d16a | 2001-08-18 21:22:07 +0000 | [diff] [blame] | 1752 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1753 | if ((*self->write_func)(self, &global, 1) < 0) |
| 1754 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1755 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1756 | if ((*self->write_func)(self, module_str, module_size) < 0) |
| 1757 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1758 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1759 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1760 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1761 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1762 | if ((*self->write_func)(self, name_str, name_size) < 0) |
| 1763 | goto finally; |
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 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1766 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1767 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1768 | if (put(self, args) < 0) |
| 1769 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1770 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1771 | res = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1772 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1773 | finally: |
| 1774 | Py_XDECREF(module); |
| 1775 | Py_XDECREF(global_name); |
| 1776 | Py_XDECREF(mod); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1777 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1778 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1779 | } |
| 1780 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1781 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1782 | save_pers(Picklerobject *self, PyObject *args, PyObject *f) |
| 1783 | { |
| 1784 | PyObject *pid = 0; |
| 1785 | int size, res = -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1786 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1787 | static char persid = PERSID, binpersid = BINPERSID; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1788 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1789 | Py_INCREF(args); |
| 1790 | ARG_TUP(self, args); |
| 1791 | if (self->arg) { |
| 1792 | pid = PyObject_Call(f, self->arg, NULL); |
| 1793 | FREE_ARG_TUP(self); |
| 1794 | } |
| 1795 | if (! pid) return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1796 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1797 | if (pid != Py_None) { |
| 1798 | if (!self->bin) { |
| 1799 | if (!PyString_Check(pid)) { |
| 1800 | PyErr_SetString(PicklingError, |
| 1801 | "persistent id must be string"); |
| 1802 | goto finally; |
| 1803 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1804 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1805 | if ((*self->write_func)(self, &persid, 1) < 0) |
| 1806 | goto finally; |
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 ((size = PyString_Size(pid)) < 0) |
| 1809 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1810 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1811 | if ((*self->write_func)(self, |
| 1812 | PyString_AS_STRING((PyStringObject *)pid), size) < 0) |
| 1813 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1814 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1815 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1816 | goto finally; |
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 | res = 1; |
| 1819 | goto finally; |
| 1820 | } |
| 1821 | else if (save(self, pid, 1) >= 0) { |
| 1822 | if ((*self->write_func)(self, &binpersid, 1) < 0) |
| 1823 | res = -1; |
| 1824 | else |
| 1825 | res = 1; |
| 1826 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1827 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1828 | goto finally; |
| 1829 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1830 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1831 | res = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1832 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1833 | finally: |
| 1834 | Py_XDECREF(pid); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1835 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1836 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1837 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1838 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1839 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1840 | static int |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1841 | save_reduce(Picklerobject *self, PyObject *callable, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1842 | PyObject *tup, PyObject *state, PyObject *ob) |
| 1843 | { |
| 1844 | static char reduce = REDUCE, build = BUILD; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1845 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1846 | if (save(self, callable, 0) < 0) |
| 1847 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1848 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1849 | if (save(self, tup, 0) < 0) |
| 1850 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1851 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1852 | if ((*self->write_func)(self, &reduce, 1) < 0) |
| 1853 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1854 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1855 | if (ob != NULL) { |
| 1856 | if (state && !PyDict_Check(state)) { |
| 1857 | if (put2(self, ob) < 0) |
| 1858 | return -1; |
| 1859 | } |
| 1860 | else { |
| 1861 | if (put(self, ob) < 0) |
| 1862 | return -1; |
| 1863 | } |
| 1864 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1865 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1866 | if (state) { |
| 1867 | if (save(self, state, 0) < 0) |
| 1868 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1869 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1870 | if ((*self->write_func)(self, &build, 1) < 0) |
| 1871 | return -1; |
| 1872 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1873 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1874 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1875 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1876 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1877 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1878 | save(Picklerobject *self, PyObject *args, int pers_save) |
| 1879 | { |
| 1880 | PyTypeObject *type; |
| 1881 | PyObject *py_ob_id = 0, *__reduce__ = 0, *t = 0, *arg_tup = 0, |
| 1882 | *callable = 0, *state = 0; |
| 1883 | int res = -1, tmp, size; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1884 | |
Martin v. Löwis | 5a39530 | 2002-08-04 08:20:23 +0000 | [diff] [blame] | 1885 | if (self->nesting++ > Py_GetRecursionLimit()){ |
| 1886 | PyErr_SetString(PyExc_RuntimeError, |
| 1887 | "maximum recursion depth exceeded"); |
| 1888 | goto finally; |
| 1889 | } |
| 1890 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1891 | if (!pers_save && self->pers_func) { |
| 1892 | if ((tmp = save_pers(self, args, self->pers_func)) != 0) { |
| 1893 | res = tmp; |
| 1894 | goto finally; |
| 1895 | } |
| 1896 | } |
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 | if (args == Py_None) { |
| 1899 | res = save_none(self, args); |
| 1900 | goto finally; |
| 1901 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1902 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1903 | type = args->ob_type; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1904 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1905 | switch (type->tp_name[0]) { |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 1906 | case 'b': |
| 1907 | if (args == Py_False || args == Py_True) { |
| 1908 | res = save_bool(self, args); |
| 1909 | goto finally; |
| 1910 | } |
| 1911 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1912 | case 'i': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1913 | if (type == &PyInt_Type) { |
| 1914 | res = save_int(self, args); |
| 1915 | goto finally; |
| 1916 | } |
| 1917 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1918 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1919 | case 'l': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1920 | if (type == &PyLong_Type) { |
| 1921 | res = save_long(self, args); |
| 1922 | goto finally; |
| 1923 | } |
| 1924 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1925 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1926 | case 'f': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1927 | if (type == &PyFloat_Type) { |
| 1928 | res = save_float(self, args); |
| 1929 | goto finally; |
| 1930 | } |
| 1931 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1932 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1933 | case 't': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1934 | if (type == &PyTuple_Type && PyTuple_Size(args)==0) { |
| 1935 | if (self->bin) res = save_empty_tuple(self, args); |
| 1936 | else res = save_tuple(self, args); |
| 1937 | goto finally; |
| 1938 | } |
| 1939 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1940 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1941 | case 's': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1942 | if ((type == &PyString_Type) && (PyString_GET_SIZE(args) < 2)) { |
| 1943 | res = save_string(self, args, 0); |
| 1944 | goto finally; |
| 1945 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1946 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1947 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1948 | case 'u': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1949 | if ((type == &PyUnicode_Type) && (PyString_GET_SIZE(args) < 2)) { |
| 1950 | res = save_unicode(self, args, 0); |
| 1951 | goto finally; |
| 1952 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1953 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1954 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1955 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1956 | if (args->ob_refcnt > 1) { |
| 1957 | if (!( py_ob_id = PyLong_FromVoidPtr(args))) |
| 1958 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1959 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1960 | if (PyDict_GetItem(self->memo, py_ob_id)) { |
| 1961 | if (get(self, py_ob_id) < 0) |
| 1962 | goto finally; |
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 | res = 0; |
| 1965 | goto finally; |
| 1966 | } |
| 1967 | } |
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 | switch (type->tp_name[0]) { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1970 | case 's': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1971 | if (type == &PyString_Type) { |
| 1972 | res = save_string(self, args, 1); |
| 1973 | goto finally; |
| 1974 | } |
| 1975 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1976 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1977 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1978 | case 'u': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1979 | if (type == &PyUnicode_Type) { |
| 1980 | res = save_unicode(self, args, 1); |
| 1981 | goto finally; |
| 1982 | } |
| 1983 | break; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1984 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1985 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1986 | case 't': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1987 | if (type == &PyTuple_Type) { |
| 1988 | res = save_tuple(self, args); |
| 1989 | goto finally; |
| 1990 | } |
| 1991 | if (type == &PyType_Type) { |
| 1992 | res = save_global(self, args, NULL); |
| 1993 | goto finally; |
| 1994 | } |
| 1995 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1996 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1997 | case 'l': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1998 | if (type == &PyList_Type) { |
| 1999 | res = save_list(self, args); |
| 2000 | goto finally; |
| 2001 | } |
| 2002 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2003 | |
| 2004 | case 'd': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2005 | if (type == &PyDict_Type) { |
| 2006 | res = save_dict(self, args); |
| 2007 | goto finally; |
| 2008 | } |
| 2009 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2010 | |
| 2011 | case 'i': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2012 | if (type == &PyInstance_Type) { |
| 2013 | res = save_inst(self, args); |
| 2014 | goto finally; |
| 2015 | } |
| 2016 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2017 | |
| 2018 | case 'c': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2019 | if (type == &PyClass_Type) { |
| 2020 | res = save_global(self, args, NULL); |
| 2021 | goto finally; |
| 2022 | } |
| 2023 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2024 | |
| 2025 | case 'f': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2026 | if (type == &PyFunction_Type) { |
| 2027 | res = save_global(self, args, NULL); |
| 2028 | goto finally; |
| 2029 | } |
| 2030 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2031 | |
| 2032 | case 'b': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2033 | if (type == &PyCFunction_Type) { |
| 2034 | res = save_global(self, args, NULL); |
| 2035 | goto finally; |
| 2036 | } |
| 2037 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2038 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2039 | if (!pers_save && self->inst_pers_func) { |
| 2040 | if ((tmp = save_pers(self, args, self->inst_pers_func)) != 0) { |
| 2041 | res = tmp; |
| 2042 | goto finally; |
| 2043 | } |
| 2044 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2045 | |
Jeremy Hylton | 39c6116 | 2002-07-16 19:47:43 +0000 | [diff] [blame] | 2046 | if (PyType_IsSubtype(type, &PyType_Type)) { |
| 2047 | res = save_global(self, args, NULL); |
| 2048 | goto finally; |
| 2049 | } |
| 2050 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2051 | if ((__reduce__ = PyDict_GetItem(dispatch_table, (PyObject *)type))) { |
| 2052 | Py_INCREF(__reduce__); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2053 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2054 | Py_INCREF(args); |
| 2055 | ARG_TUP(self, args); |
| 2056 | if (self->arg) { |
| 2057 | t = PyObject_Call(__reduce__, self->arg, NULL); |
| 2058 | FREE_ARG_TUP(self); |
| 2059 | } |
| 2060 | if (! t) goto finally; |
| 2061 | } |
| 2062 | else { |
| 2063 | PyErr_Clear(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2064 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2065 | if ((__reduce__ = PyObject_GetAttr(args, __reduce___str))) { |
| 2066 | t = PyObject_Call(__reduce__, empty_tuple, NULL); |
| 2067 | if (!t) |
| 2068 | goto finally; |
| 2069 | } |
| 2070 | else { |
| 2071 | PyErr_Clear(); |
| 2072 | } |
| 2073 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2074 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2075 | if (t) { |
| 2076 | if (PyString_Check(t)) { |
| 2077 | res = save_global(self, args, t); |
| 2078 | goto finally; |
| 2079 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2080 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2081 | if (!PyTuple_Check(t)) { |
| 2082 | cPickle_ErrFormat(PicklingError, "Value returned by %s must " |
| 2083 | "be a tuple", "O", __reduce__); |
| 2084 | goto finally; |
| 2085 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2086 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2087 | size = PyTuple_Size(t); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2088 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2089 | if ((size != 3) && (size != 2)) { |
| 2090 | cPickle_ErrFormat(PicklingError, "tuple returned by %s must " |
| 2091 | "contain only two or three elements", "O", __reduce__); |
| 2092 | goto finally; |
| 2093 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2094 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2095 | callable = PyTuple_GET_ITEM(t, 0); |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 2096 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2097 | arg_tup = PyTuple_GET_ITEM(t, 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2098 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2099 | if (size > 2) { |
| 2100 | state = PyTuple_GET_ITEM(t, 2); |
Guido van Rossum | 8e0ad0c | 2003-01-31 21:10:31 +0000 | [diff] [blame] | 2101 | if (state == Py_None) |
| 2102 | state = NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2103 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2104 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2105 | if (!( PyTuple_Check(arg_tup) || arg_tup==Py_None )) { |
| 2106 | cPickle_ErrFormat(PicklingError, "Second element of tuple " |
| 2107 | "returned by %s must be a tuple", "O", __reduce__); |
| 2108 | goto finally; |
| 2109 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2110 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2111 | res = save_reduce(self, callable, arg_tup, state, args); |
| 2112 | goto finally; |
| 2113 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2114 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2115 | PyErr_SetObject(UnpickleableError, args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2116 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2117 | finally: |
Martin v. Löwis | 5a39530 | 2002-08-04 08:20:23 +0000 | [diff] [blame] | 2118 | self->nesting--; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2119 | Py_XDECREF(py_ob_id); |
| 2120 | Py_XDECREF(__reduce__); |
| 2121 | Py_XDECREF(t); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2122 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2123 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2124 | } |
| 2125 | |
| 2126 | |
| 2127 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2128 | dump(Picklerobject *self, PyObject *args) |
| 2129 | { |
| 2130 | static char stop = STOP; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2131 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2132 | if (save(self, args, 0) < 0) |
| 2133 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2134 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2135 | if ((*self->write_func)(self, &stop, 1) < 0) |
| 2136 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2137 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2138 | if ((*self->write_func)(self, NULL, 0) < 0) |
| 2139 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2140 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2141 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2142 | } |
| 2143 | |
| 2144 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2145 | Pickle_clear_memo(Picklerobject *self, PyObject *args) |
| 2146 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2147 | if (self->memo) |
| 2148 | PyDict_Clear(self->memo); |
| 2149 | Py_INCREF(Py_None); |
| 2150 | return Py_None; |
| 2151 | } |
| 2152 | |
| 2153 | static PyObject * |
| 2154 | Pickle_getvalue(Picklerobject *self, PyObject *args) |
| 2155 | { |
| 2156 | int l, i, rsize, ssize, clear=1, lm; |
| 2157 | long ik; |
| 2158 | PyObject *k, *r; |
| 2159 | char *s, *p, *have_get; |
| 2160 | Pdata *data; |
| 2161 | |
| 2162 | /* Can be called by Python code or C code */ |
| 2163 | if (args && !PyArg_ParseTuple(args, "|i:getvalue", &clear)) |
| 2164 | return NULL; |
| 2165 | |
| 2166 | /* Check to make sure we are based on a list */ |
| 2167 | if (! Pdata_Check(self->file)) { |
| 2168 | PyErr_SetString(PicklingError, |
| 2169 | "Attempt to getvalue() a non-list-based pickler"); |
| 2170 | return NULL; |
| 2171 | } |
| 2172 | |
| 2173 | /* flush write buffer */ |
| 2174 | if (write_other(self, NULL, 0) < 0) return NULL; |
| 2175 | |
| 2176 | data=(Pdata*)self->file; |
| 2177 | l=data->length; |
| 2178 | |
| 2179 | /* set up an array to hold get/put status */ |
| 2180 | if ((lm=PyDict_Size(self->memo)) < 0) return NULL; |
| 2181 | lm++; |
| 2182 | if (! (have_get=malloc((lm)*sizeof(char)))) return PyErr_NoMemory(); |
| 2183 | memset(have_get,0,lm); |
| 2184 | |
| 2185 | /* Scan for gets. */ |
| 2186 | for (rsize=0, i=l; --i >= 0; ) { |
| 2187 | k=data->data[i]; |
| 2188 | |
| 2189 | if (PyString_Check(k)) { |
| 2190 | rsize += PyString_GET_SIZE(k); |
| 2191 | } |
| 2192 | |
| 2193 | else if (PyInt_Check(k)) { /* put */ |
| 2194 | ik=PyInt_AS_LONG((PyIntObject*)k); |
| 2195 | if (ik >= lm || ik==0) { |
| 2196 | PyErr_SetString(PicklingError, |
| 2197 | "Invalid get data"); |
| 2198 | return NULL; |
| 2199 | } |
| 2200 | if (have_get[ik]) { /* with matching get */ |
| 2201 | if (ik < 256) rsize += 2; |
| 2202 | else rsize+=5; |
| 2203 | } |
| 2204 | } |
| 2205 | |
| 2206 | else if (! (PyTuple_Check(k) && |
| 2207 | PyTuple_GET_SIZE(k) == 2 && |
| 2208 | PyInt_Check((k=PyTuple_GET_ITEM(k,0)))) |
| 2209 | ) { |
| 2210 | PyErr_SetString(PicklingError, |
| 2211 | "Unexpected data in internal list"); |
| 2212 | return NULL; |
| 2213 | } |
| 2214 | |
| 2215 | else { /* put */ |
| 2216 | ik=PyInt_AS_LONG((PyIntObject*)k); |
| 2217 | if (ik >= lm || ik==0) { |
| 2218 | PyErr_SetString(PicklingError, |
| 2219 | "Invalid get data"); |
| 2220 | return NULL; |
| 2221 | } |
| 2222 | have_get[ik]=1; |
| 2223 | if (ik < 256) rsize += 2; |
| 2224 | else rsize+=5; |
| 2225 | } |
| 2226 | |
| 2227 | } |
| 2228 | |
| 2229 | /* Now generate the result */ |
| 2230 | if (!( r=PyString_FromStringAndSize(NULL,rsize))) goto err; |
| 2231 | s=PyString_AS_STRING((PyStringObject*)r); |
| 2232 | |
| 2233 | for (i=0; i<l; i++) { |
| 2234 | k=data->data[i]; |
| 2235 | |
| 2236 | if (PyString_Check(k)) { |
| 2237 | ssize=PyString_GET_SIZE(k); |
| 2238 | if (ssize) { |
| 2239 | p=PyString_AS_STRING((PyStringObject*)k); |
| 2240 | while (--ssize >= 0) *s++=*p++; |
| 2241 | } |
| 2242 | } |
| 2243 | |
| 2244 | else if (PyTuple_Check(k)) { /* get */ |
| 2245 | ik=PyInt_AS_LONG((PyIntObject*)PyTuple_GET_ITEM(k,0)); |
| 2246 | if (ik < 256) { |
| 2247 | *s++ = BINGET; |
| 2248 | *s++ = (int)(ik & 0xff); |
| 2249 | } |
| 2250 | else { |
| 2251 | *s++ = LONG_BINGET; |
| 2252 | *s++ = (int)(ik & 0xff); |
| 2253 | *s++ = (int)((ik >> 8) & 0xff); |
| 2254 | *s++ = (int)((ik >> 16) & 0xff); |
| 2255 | *s++ = (int)((ik >> 24) & 0xff); |
| 2256 | } |
| 2257 | } |
| 2258 | |
| 2259 | else { /* put */ |
| 2260 | ik=PyInt_AS_LONG((PyIntObject*)k); |
| 2261 | |
| 2262 | if (have_get[ik]) { /* with matching get */ |
| 2263 | if (ik < 256) { |
| 2264 | *s++ = BINPUT; |
| 2265 | *s++ = (int)(ik & 0xff); |
| 2266 | } |
| 2267 | else { |
| 2268 | *s++ = LONG_BINPUT; |
| 2269 | *s++ = (int)(ik & 0xff); |
| 2270 | *s++ = (int)((ik >> 8) & 0xff); |
| 2271 | *s++ = (int)((ik >> 16) & 0xff); |
| 2272 | *s++ = (int)((ik >> 24) & 0xff); |
| 2273 | } |
| 2274 | } |
| 2275 | } |
| 2276 | |
| 2277 | } |
| 2278 | |
| 2279 | if (clear) { |
| 2280 | PyDict_Clear(self->memo); |
| 2281 | Pdata_clear(data,0); |
| 2282 | } |
| 2283 | |
| 2284 | free(have_get); |
| 2285 | return r; |
| 2286 | err: |
| 2287 | free(have_get); |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2288 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2289 | } |
| 2290 | |
| 2291 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2292 | Pickler_dump(Picklerobject *self, PyObject *args) |
| 2293 | { |
| 2294 | PyObject *ob; |
| 2295 | int get=0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2296 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2297 | if (!( PyArg_ParseTuple(args, "O|i:dump", &ob, &get))) |
| 2298 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2299 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2300 | if (dump(self, ob) < 0) |
| 2301 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2302 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2303 | if (get) return Pickle_getvalue(self, NULL); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2304 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2305 | /* XXX Why does dump() return self? */ |
| 2306 | Py_INCREF(self); |
| 2307 | return (PyObject*)self; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2308 | } |
| 2309 | |
| 2310 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2311 | static struct PyMethodDef Pickler_methods[] = |
| 2312 | { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 2313 | {"dump", (PyCFunction)Pickler_dump, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 2314 | PyDoc_STR("dump(object) -- " |
| 2315 | "Write an object in pickle format to the object's pickle stream")}, |
Fred Drake | 0ebacc8 | 2002-05-01 20:36:39 +0000 | [diff] [blame] | 2316 | {"clear_memo", (PyCFunction)Pickle_clear_memo, METH_NOARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 2317 | PyDoc_STR("clear_memo() -- Clear the picklers memo")}, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 2318 | {"getvalue", (PyCFunction)Pickle_getvalue, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 2319 | PyDoc_STR("getvalue() -- Finish picking a list-based pickle")}, |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2320 | {NULL, NULL} /* sentinel */ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2321 | }; |
| 2322 | |
| 2323 | |
| 2324 | static Picklerobject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2325 | newPicklerobject(PyObject *file, int bin) |
| 2326 | { |
| 2327 | Picklerobject *self; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2328 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2329 | if (!( self = PyObject_New(Picklerobject, &Picklertype))) |
| 2330 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2331 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2332 | self->fp = NULL; |
| 2333 | self->write = NULL; |
| 2334 | self->memo = NULL; |
| 2335 | self->arg = NULL; |
| 2336 | self->pers_func = NULL; |
| 2337 | self->inst_pers_func = NULL; |
| 2338 | self->write_buf = NULL; |
| 2339 | self->bin = bin; |
| 2340 | self->fast = 0; |
Martin v. Löwis | 5a39530 | 2002-08-04 08:20:23 +0000 | [diff] [blame] | 2341 | self->nesting = 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2342 | self->fast_container = 0; |
| 2343 | self->fast_memo = NULL; |
| 2344 | self->buf_size = 0; |
| 2345 | self->dispatch_table = NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2346 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2347 | if (file) |
| 2348 | Py_INCREF(file); |
| 2349 | else |
| 2350 | file=Pdata_New(); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2351 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2352 | if (!( self->file = file )) |
| 2353 | goto err; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2354 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2355 | if (!( self->memo = PyDict_New())) |
| 2356 | goto err; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2357 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2358 | if (PyFile_Check(file)) { |
| 2359 | self->fp = PyFile_AsFile(file); |
| 2360 | if (self->fp == NULL) { |
| 2361 | PyErr_SetString(PyExc_ValueError, "I/O operation on closed file"); |
| 2362 | goto err; |
| 2363 | } |
| 2364 | self->write_func = write_file; |
Guido van Rossum | c91fcaa | 1999-03-29 20:00:14 +0000 | [diff] [blame] | 2365 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2366 | else if (PycStringIO_OutputCheck(file)) { |
| 2367 | self->write_func = write_cStringIO; |
| 2368 | } |
| 2369 | else if (file == Py_None) { |
| 2370 | self->write_func = write_none; |
| 2371 | } |
| 2372 | else { |
| 2373 | self->write_func = write_other; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2374 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2375 | if (! Pdata_Check(file)) { |
| 2376 | self->write = PyObject_GetAttr(file, write_str); |
| 2377 | if (!self->write) { |
| 2378 | PyErr_Clear(); |
| 2379 | PyErr_SetString(PyExc_TypeError, |
| 2380 | "argument must have 'write' " |
| 2381 | "attribute"); |
| 2382 | goto err; |
| 2383 | } |
| 2384 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2385 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2386 | if (!( self->write_buf = |
| 2387 | (char *)malloc(WRITE_BUF_SIZE * sizeof(char)))) { |
| 2388 | PyErr_NoMemory(); |
| 2389 | goto err; |
| 2390 | } |
| 2391 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2392 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2393 | if (PyEval_GetRestricted()) { |
| 2394 | /* Restricted execution, get private tables */ |
| 2395 | PyObject *m; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2396 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2397 | if (!( m=PyImport_Import(copy_reg_str))) goto err; |
| 2398 | self->dispatch_table=PyObject_GetAttr(m, dispatch_table_str); |
| 2399 | Py_DECREF(m); |
| 2400 | if (!( self->dispatch_table )) goto err; |
| 2401 | } |
| 2402 | else { |
| 2403 | self->dispatch_table=dispatch_table; |
| 2404 | Py_INCREF(dispatch_table); |
| 2405 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2406 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2407 | return self; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2408 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2409 | err: |
| 2410 | Py_DECREF((PyObject *)self); |
| 2411 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2412 | } |
| 2413 | |
| 2414 | |
| 2415 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2416 | get_Pickler(PyObject *self, PyObject *args) |
| 2417 | { |
| 2418 | PyObject *file = NULL; |
| 2419 | int bin = 1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2420 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2421 | if (!PyArg_ParseTuple(args, "|i:Pickler", &bin)) { |
| 2422 | PyErr_Clear(); |
| 2423 | bin = 0; |
| 2424 | if (!PyArg_ParseTuple(args, "O|i:Pickler", &file, &bin)) |
| 2425 | return NULL; |
| 2426 | } |
| 2427 | return (PyObject *)newPicklerobject(file, bin); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2428 | } |
| 2429 | |
| 2430 | |
| 2431 | static void |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2432 | Pickler_dealloc(Picklerobject *self) |
| 2433 | { |
| 2434 | Py_XDECREF(self->write); |
| 2435 | Py_XDECREF(self->memo); |
| 2436 | Py_XDECREF(self->fast_memo); |
| 2437 | Py_XDECREF(self->arg); |
| 2438 | Py_XDECREF(self->file); |
| 2439 | Py_XDECREF(self->pers_func); |
| 2440 | Py_XDECREF(self->inst_pers_func); |
| 2441 | Py_XDECREF(self->dispatch_table); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2442 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2443 | if (self->write_buf) { |
| 2444 | free(self->write_buf); |
| 2445 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2446 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2447 | PyObject_Del(self); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2448 | } |
| 2449 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2450 | static PyObject * |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2451 | Pickler_get_pers_func(Picklerobject *p) |
| 2452 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2453 | if (p->pers_func == NULL) |
| 2454 | PyErr_SetString(PyExc_AttributeError, "persistent_id"); |
| 2455 | else |
| 2456 | Py_INCREF(p->pers_func); |
| 2457 | return p->pers_func; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2458 | } |
| 2459 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2460 | static int |
| 2461 | Pickler_set_pers_func(Picklerobject *p, PyObject *v) |
| 2462 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2463 | if (v == NULL) { |
| 2464 | PyErr_SetString(PyExc_TypeError, |
| 2465 | "attribute deletion is not supported"); |
| 2466 | return -1; |
| 2467 | } |
| 2468 | Py_XDECREF(p->pers_func); |
| 2469 | Py_INCREF(v); |
| 2470 | p->pers_func = v; |
| 2471 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2472 | } |
| 2473 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2474 | static int |
| 2475 | Pickler_set_inst_pers_func(Picklerobject *p, PyObject *v) |
| 2476 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2477 | if (v == NULL) { |
| 2478 | PyErr_SetString(PyExc_TypeError, |
| 2479 | "attribute deletion is not supported"); |
| 2480 | return -1; |
| 2481 | } |
| 2482 | Py_XDECREF(p->inst_pers_func); |
| 2483 | Py_INCREF(v); |
| 2484 | p->inst_pers_func = v; |
| 2485 | return 0; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2486 | } |
| 2487 | |
| 2488 | static PyObject * |
| 2489 | Pickler_get_memo(Picklerobject *p) |
| 2490 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2491 | if (p->memo == NULL) |
| 2492 | PyErr_SetString(PyExc_AttributeError, "memo"); |
| 2493 | else |
| 2494 | Py_INCREF(p->memo); |
| 2495 | return p->memo; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2496 | } |
| 2497 | |
| 2498 | static int |
| 2499 | Pickler_set_memo(Picklerobject *p, PyObject *v) |
| 2500 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2501 | if (v == NULL) { |
| 2502 | PyErr_SetString(PyExc_TypeError, |
| 2503 | "attribute deletion is not supported"); |
| 2504 | return -1; |
| 2505 | } |
| 2506 | if (!PyDict_Check(v)) { |
| 2507 | PyErr_SetString(PyExc_TypeError, "memo must be a dictionary"); |
| 2508 | return -1; |
| 2509 | } |
| 2510 | Py_XDECREF(p->memo); |
| 2511 | Py_INCREF(v); |
| 2512 | p->memo = v; |
| 2513 | return 0; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2514 | } |
| 2515 | |
| 2516 | static PyObject * |
| 2517 | Pickler_get_error(Picklerobject *p) |
| 2518 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2519 | /* why is this an attribute on the Pickler? */ |
| 2520 | Py_INCREF(PicklingError); |
| 2521 | return PicklingError; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2522 | } |
| 2523 | |
| 2524 | static PyMemberDef Pickler_members[] = { |
| 2525 | {"binary", T_INT, offsetof(Picklerobject, bin)}, |
| 2526 | {"fast", T_INT, offsetof(Picklerobject, fast)}, |
Jeremy Hylton | 3eb46f3 | 2001-10-16 17:10:49 +0000 | [diff] [blame] | 2527 | {NULL} |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2528 | }; |
| 2529 | |
| 2530 | static PyGetSetDef Pickler_getsets[] = { |
| 2531 | {"persistent_id", (getter)Pickler_get_pers_func, |
| 2532 | (setter)Pickler_set_pers_func}, |
| 2533 | {"inst_persistent_id", NULL, (setter)Pickler_set_inst_pers_func}, |
| 2534 | {"memo", (getter)Pickler_get_memo, (setter)Pickler_set_memo}, |
Jeremy Hylton | 3eb46f3 | 2001-10-16 17:10:49 +0000 | [diff] [blame] | 2535 | {"PicklingError", (getter)Pickler_get_error, NULL}, |
| 2536 | {NULL} |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2537 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2538 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 2539 | PyDoc_STRVAR(Picklertype__doc__, |
| 2540 | "Objects that know how to pickle objects\n"); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2541 | |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 2542 | static PyTypeObject Picklertype = { |
| 2543 | PyObject_HEAD_INIT(NULL) |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2544 | 0, /*ob_size*/ |
Guido van Rossum | 1464839 | 2001-12-08 18:02:58 +0000 | [diff] [blame] | 2545 | "cPickle.Pickler", /*tp_name*/ |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2546 | sizeof(Picklerobject), /*tp_basicsize*/ |
| 2547 | 0, |
| 2548 | (destructor)Pickler_dealloc, /* tp_dealloc */ |
| 2549 | 0, /* tp_print */ |
| 2550 | 0, /* tp_getattr */ |
| 2551 | 0, /* tp_setattr */ |
| 2552 | 0, /* tp_compare */ |
| 2553 | 0, /* tp_repr */ |
| 2554 | 0, /* tp_as_number */ |
| 2555 | 0, /* tp_as_sequence */ |
| 2556 | 0, /* tp_as_mapping */ |
| 2557 | 0, /* tp_hash */ |
| 2558 | 0, /* tp_call */ |
| 2559 | 0, /* tp_str */ |
Jason Tishler | fb8595d | 2003-01-06 12:41:26 +0000 | [diff] [blame] | 2560 | PyObject_GenericGetAttr, /* tp_getattro */ |
| 2561 | PyObject_GenericSetAttr, /* tp_setattro */ |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2562 | 0, /* tp_as_buffer */ |
| 2563 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */ |
| 2564 | Picklertype__doc__, /* tp_doc */ |
| 2565 | 0, /* tp_traverse */ |
| 2566 | 0, /* tp_clear */ |
| 2567 | 0, /* tp_richcompare */ |
| 2568 | 0, /* tp_weaklistoffset */ |
| 2569 | 0, /* tp_iter */ |
| 2570 | 0, /* tp_iternext */ |
| 2571 | Pickler_methods, /* tp_methods */ |
| 2572 | Pickler_members, /* tp_members */ |
| 2573 | Pickler_getsets, /* tp_getset */ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 2574 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2575 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2576 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2577 | find_class(PyObject *py_module_name, PyObject *py_global_name, PyObject *fc) |
| 2578 | { |
| 2579 | PyObject *global = 0, *module; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2580 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2581 | if (fc) { |
| 2582 | if (fc==Py_None) { |
| 2583 | PyErr_SetString(UnpicklingError, |
| 2584 | "Global and instance pickles are not supported."); |
| 2585 | return NULL; |
| 2586 | } |
| 2587 | return PyObject_CallFunction(fc, "OO", py_module_name, |
| 2588 | py_global_name); |
| 2589 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 2590 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2591 | module = PySys_GetObject("modules"); |
| 2592 | if (module == NULL) |
| 2593 | return NULL; |
Jeremy Hylton | d105523 | 1998-08-11 19:52:51 +0000 | [diff] [blame] | 2594 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2595 | module = PyDict_GetItem(module, py_module_name); |
| 2596 | if (module == NULL) { |
| 2597 | module = PyImport_Import(py_module_name); |
| 2598 | if (!module) |
| 2599 | return NULL; |
| 2600 | global = PyObject_GetAttr(module, py_global_name); |
| 2601 | Py_DECREF(module); |
| 2602 | } |
| 2603 | else |
| 2604 | global = PyObject_GetAttr(module, py_global_name); |
| 2605 | return global; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2606 | } |
| 2607 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2608 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2609 | marker(Unpicklerobject *self) |
| 2610 | { |
| 2611 | if (self->num_marks < 1) { |
| 2612 | PyErr_SetString(UnpicklingError, "could not find MARK"); |
| 2613 | return -1; |
| 2614 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2615 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2616 | return self->marks[--self->num_marks]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2617 | } |
| 2618 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2619 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2620 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2621 | load_none(Unpicklerobject *self) |
| 2622 | { |
| 2623 | PDATA_APPEND(self->stack, Py_None, -1); |
| 2624 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2625 | } |
| 2626 | |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 2627 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2628 | bad_readline(void) |
| 2629 | { |
| 2630 | PyErr_SetString(UnpicklingError, "pickle data was truncated"); |
| 2631 | return -1; |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 2632 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2633 | |
| 2634 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2635 | load_int(Unpicklerobject *self) |
| 2636 | { |
| 2637 | PyObject *py_int = 0; |
| 2638 | char *endptr, *s; |
| 2639 | int len, res = -1; |
| 2640 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2641 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2642 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 2643 | if (len < 2) return bad_readline(); |
| 2644 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2645 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2646 | errno = 0; |
| 2647 | l = strtol(s, &endptr, 0); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2648 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2649 | if (errno || (*endptr != '\n') || (endptr[1] != '\0')) { |
| 2650 | /* Hm, maybe we've got something long. Let's try reading |
| 2651 | it as a Python long object. */ |
| 2652 | errno = 0; |
| 2653 | py_int = PyLong_FromString(s, NULL, 0); |
| 2654 | if (py_int == NULL) { |
| 2655 | PyErr_SetString(PyExc_ValueError, |
| 2656 | "could not convert string to int"); |
| 2657 | goto finally; |
| 2658 | } |
| 2659 | } |
| 2660 | else { |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 2661 | if (len == 3 && (l == 0 || l == 1)) { |
| 2662 | if (!( py_int = PyBool_FromLong(l))) goto finally; |
| 2663 | } |
| 2664 | else { |
| 2665 | if (!( py_int = PyInt_FromLong(l))) goto finally; |
| 2666 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2667 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2668 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2669 | free(s); |
| 2670 | PDATA_PUSH(self->stack, py_int, -1); |
| 2671 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2672 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2673 | finally: |
| 2674 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2675 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2676 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2677 | } |
| 2678 | |
| 2679 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2680 | static long |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2681 | calc_binint(char *s, int x) |
| 2682 | { |
| 2683 | unsigned char c; |
| 2684 | int i; |
| 2685 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2686 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2687 | for (i = 0, l = 0L; i < x; i++) { |
| 2688 | c = (unsigned char)s[i]; |
| 2689 | l |= (long)c << (i * 8); |
| 2690 | } |
Tim Peters | bfa18f7 | 2001-04-10 01:54:42 +0000 | [diff] [blame] | 2691 | #if SIZEOF_LONG > 4 |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2692 | /* Unlike BININT1 and BININT2, BININT (more accurately BININT4) |
| 2693 | * is signed, so on a box with longs bigger than 4 bytes we need |
| 2694 | * to extend a BININT's sign bit to the full width. |
| 2695 | */ |
| 2696 | if (x == 4 && l & (1L << 31)) |
| 2697 | l |= (~0L) << 32; |
Tim Peters | bfa18f7 | 2001-04-10 01:54:42 +0000 | [diff] [blame] | 2698 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2699 | return l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2700 | } |
| 2701 | |
| 2702 | |
| 2703 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2704 | load_binintx(Unpicklerobject *self, char *s, int x) |
| 2705 | { |
| 2706 | PyObject *py_int = 0; |
| 2707 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2708 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2709 | l = calc_binint(s, x); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2710 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2711 | if (!( py_int = PyInt_FromLong(l))) |
| 2712 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2713 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2714 | PDATA_PUSH(self->stack, py_int, -1); |
| 2715 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2716 | } |
| 2717 | |
| 2718 | |
| 2719 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2720 | load_binint(Unpicklerobject *self) |
| 2721 | { |
| 2722 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2723 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2724 | if ((*self->read_func)(self, &s, 4) < 0) |
| 2725 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2726 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2727 | return load_binintx(self, s, 4); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2728 | } |
| 2729 | |
| 2730 | |
| 2731 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2732 | load_binint1(Unpicklerobject *self) |
| 2733 | { |
| 2734 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2735 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2736 | if ((*self->read_func)(self, &s, 1) < 0) |
| 2737 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2738 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2739 | return load_binintx(self, s, 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2740 | } |
| 2741 | |
| 2742 | |
| 2743 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2744 | load_binint2(Unpicklerobject *self) |
| 2745 | { |
| 2746 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2747 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2748 | if ((*self->read_func)(self, &s, 2) < 0) |
| 2749 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2750 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2751 | return load_binintx(self, s, 2); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2752 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2753 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2754 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2755 | load_long(Unpicklerobject *self) |
| 2756 | { |
| 2757 | PyObject *l = 0; |
| 2758 | char *end, *s; |
| 2759 | int len, res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2760 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2761 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 2762 | if (len < 2) return bad_readline(); |
| 2763 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2764 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2765 | if (!( l = PyLong_FromString(s, &end, 0))) |
| 2766 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2767 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2768 | free(s); |
| 2769 | PDATA_PUSH(self->stack, l, -1); |
| 2770 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2771 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2772 | finally: |
| 2773 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2774 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2775 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2776 | } |
| 2777 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2778 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2779 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2780 | load_float(Unpicklerobject *self) |
| 2781 | { |
| 2782 | PyObject *py_float = 0; |
| 2783 | char *endptr, *s; |
| 2784 | int len, res = -1; |
| 2785 | double d; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2786 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2787 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 2788 | if (len < 2) return bad_readline(); |
| 2789 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2790 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2791 | errno = 0; |
| 2792 | d = strtod(s, &endptr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2793 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2794 | if (errno || (endptr[0] != '\n') || (endptr[1] != '\0')) { |
| 2795 | PyErr_SetString(PyExc_ValueError, |
| 2796 | "could not convert string to float"); |
| 2797 | goto finally; |
| 2798 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2799 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2800 | if (!( py_float = PyFloat_FromDouble(d))) |
| 2801 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2802 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2803 | free(s); |
| 2804 | PDATA_PUSH(self->stack, py_float, -1); |
| 2805 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2806 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2807 | finally: |
| 2808 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2809 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2810 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2811 | } |
| 2812 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2813 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2814 | load_binfloat(Unpicklerobject *self) |
| 2815 | { |
| 2816 | PyObject *py_float = 0; |
| 2817 | int s, e; |
| 2818 | long fhi, flo; |
| 2819 | double x; |
| 2820 | char *p; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2821 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2822 | if ((*self->read_func)(self, &p, 8) < 0) |
| 2823 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2824 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2825 | /* First byte */ |
| 2826 | s = (*p>>7) & 1; |
| 2827 | e = (*p & 0x7F) << 4; |
| 2828 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2829 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2830 | /* Second byte */ |
| 2831 | e |= (*p>>4) & 0xF; |
| 2832 | fhi = (*p & 0xF) << 24; |
| 2833 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2834 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2835 | /* Third byte */ |
| 2836 | fhi |= (*p & 0xFF) << 16; |
| 2837 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2838 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2839 | /* Fourth byte */ |
| 2840 | fhi |= (*p & 0xFF) << 8; |
| 2841 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2842 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2843 | /* Fifth byte */ |
| 2844 | fhi |= *p & 0xFF; |
| 2845 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2846 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2847 | /* Sixth byte */ |
| 2848 | flo = (*p & 0xFF) << 16; |
| 2849 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2850 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2851 | /* Seventh byte */ |
| 2852 | flo |= (*p & 0xFF) << 8; |
| 2853 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2854 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2855 | /* Eighth byte */ |
| 2856 | flo |= *p & 0xFF; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2857 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2858 | x = (double)fhi + (double)flo / 16777216.0; /* 2**24 */ |
| 2859 | x /= 268435456.0; /* 2**28 */ |
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 | /* XXX This sadly ignores Inf/NaN */ |
| 2862 | if (e == 0) |
| 2863 | e = -1022; |
| 2864 | else { |
| 2865 | x += 1.0; |
| 2866 | e -= 1023; |
| 2867 | } |
| 2868 | x = ldexp(x, e); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2869 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2870 | if (s) |
| 2871 | x = -x; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2872 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2873 | if (!( py_float = PyFloat_FromDouble(x))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2874 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2875 | PDATA_PUSH(self->stack, py_float, -1); |
| 2876 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2877 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2878 | |
| 2879 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2880 | load_string(Unpicklerobject *self) |
| 2881 | { |
| 2882 | PyObject *str = 0; |
Martin v. Löwis | 8a8da79 | 2002-08-14 07:46:28 +0000 | [diff] [blame] | 2883 | int len, res = -1; |
| 2884 | char *s, *p; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2885 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2886 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 2887 | if (len < 2) return bad_readline(); |
| 2888 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2889 | |
Martin v. Löwis | 8a8da79 | 2002-08-14 07:46:28 +0000 | [diff] [blame] | 2890 | |
| 2891 | /* Strip outermost quotes */ |
| 2892 | while (s[len-1] <= ' ') |
| 2893 | len--; |
| 2894 | if(s[0]=='"' && s[len-1]=='"'){ |
| 2895 | s[len-1] = '\0'; |
| 2896 | p = s + 1 ; |
| 2897 | len -= 2; |
| 2898 | } else if(s[0]=='\'' && s[len-1]=='\''){ |
| 2899 | s[len-1] = '\0'; |
| 2900 | p = s + 1 ; |
| 2901 | len -= 2; |
| 2902 | } else |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2903 | goto insecure; |
| 2904 | /********************************************/ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 2905 | |
Martin v. Löwis | 8a8da79 | 2002-08-14 07:46:28 +0000 | [diff] [blame] | 2906 | str = PyString_DecodeEscape(p, len, NULL, 0, NULL); |
| 2907 | if (str) { |
| 2908 | PDATA_PUSH(self->stack, str, -1); |
| 2909 | res = 0; |
| 2910 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2911 | free(s); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2912 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2913 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2914 | insecure: |
| 2915 | free(s); |
| 2916 | PyErr_SetString(PyExc_ValueError,"insecure string pickle"); |
| 2917 | return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2918 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2919 | |
| 2920 | |
| 2921 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2922 | load_binstring(Unpicklerobject *self) |
| 2923 | { |
| 2924 | PyObject *py_string = 0; |
| 2925 | long l; |
| 2926 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2927 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2928 | if ((*self->read_func)(self, &s, 4) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2929 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2930 | l = calc_binint(s, 4); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2931 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2932 | if ((*self->read_func)(self, &s, l) < 0) |
| 2933 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2934 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2935 | if (!( py_string = PyString_FromStringAndSize(s, l))) |
| 2936 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2937 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2938 | PDATA_PUSH(self->stack, py_string, -1); |
| 2939 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2940 | } |
| 2941 | |
| 2942 | |
| 2943 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2944 | load_short_binstring(Unpicklerobject *self) |
| 2945 | { |
| 2946 | PyObject *py_string = 0; |
| 2947 | unsigned char l; |
| 2948 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2949 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2950 | if ((*self->read_func)(self, &s, 1) < 0) |
| 2951 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2952 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2953 | l = (unsigned char)s[0]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2954 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2955 | if ((*self->read_func)(self, &s, l) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2956 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2957 | if (!( py_string = PyString_FromStringAndSize(s, l))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2958 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2959 | PDATA_PUSH(self->stack, py_string, -1); |
| 2960 | return 0; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2961 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2962 | |
| 2963 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2964 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2965 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2966 | load_unicode(Unpicklerobject *self) |
| 2967 | { |
| 2968 | PyObject *str = 0; |
| 2969 | int len, res = -1; |
| 2970 | char *s; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2971 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2972 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 2973 | if (len < 1) return bad_readline(); |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2974 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2975 | if (!( str = PyUnicode_DecodeRawUnicodeEscape(s, len - 1, NULL))) |
| 2976 | goto finally; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2977 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2978 | PDATA_PUSH(self->stack, str, -1); |
| 2979 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2980 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2981 | finally: |
| 2982 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2983 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2984 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2985 | |
| 2986 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2987 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2988 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2989 | load_binunicode(Unpicklerobject *self) |
| 2990 | { |
| 2991 | PyObject *unicode; |
| 2992 | long l; |
| 2993 | char *s; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2994 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2995 | if ((*self->read_func)(self, &s, 4) < 0) return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2996 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2997 | l = calc_binint(s, 4); |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2998 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2999 | if ((*self->read_func)(self, &s, l) < 0) |
| 3000 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3001 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3002 | if (!( unicode = PyUnicode_DecodeUTF8(s, l, NULL))) |
| 3003 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3004 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3005 | PDATA_PUSH(self->stack, unicode, -1); |
| 3006 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3007 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3008 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3009 | |
| 3010 | |
| 3011 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3012 | load_tuple(Unpicklerobject *self) |
| 3013 | { |
| 3014 | PyObject *tup; |
| 3015 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3016 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3017 | if ((i = marker(self)) < 0) return -1; |
| 3018 | if (!( tup=Pdata_popTuple(self->stack, i))) return -1; |
| 3019 | PDATA_PUSH(self->stack, tup, -1); |
| 3020 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3021 | } |
| 3022 | |
| 3023 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3024 | load_empty_tuple(Unpicklerobject *self) |
| 3025 | { |
| 3026 | PyObject *tup; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3027 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3028 | if (!( tup=PyTuple_New(0))) return -1; |
| 3029 | PDATA_PUSH(self->stack, tup, -1); |
| 3030 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3031 | } |
| 3032 | |
| 3033 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3034 | load_empty_list(Unpicklerobject *self) |
| 3035 | { |
| 3036 | PyObject *list; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3037 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3038 | if (!( list=PyList_New(0))) return -1; |
| 3039 | PDATA_PUSH(self->stack, list, -1); |
| 3040 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3041 | } |
| 3042 | |
| 3043 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3044 | load_empty_dict(Unpicklerobject *self) |
| 3045 | { |
| 3046 | PyObject *dict; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3047 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3048 | if (!( dict=PyDict_New())) return -1; |
| 3049 | PDATA_PUSH(self->stack, dict, -1); |
| 3050 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3051 | } |
| 3052 | |
| 3053 | |
| 3054 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3055 | load_list(Unpicklerobject *self) |
| 3056 | { |
| 3057 | PyObject *list = 0; |
| 3058 | int i; |
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 ((i = marker(self)) < 0) return -1; |
| 3061 | if (!( list=Pdata_popList(self->stack, i))) return -1; |
| 3062 | PDATA_PUSH(self->stack, list, -1); |
| 3063 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3064 | } |
| 3065 | |
| 3066 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3067 | load_dict(Unpicklerobject *self) |
| 3068 | { |
| 3069 | PyObject *dict, *key, *value; |
| 3070 | int i, j, k; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3071 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3072 | if ((i = marker(self)) < 0) return -1; |
| 3073 | j=self->stack->length; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3074 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3075 | if (!( dict = PyDict_New())) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3076 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3077 | for (k = i+1; k < j; k += 2) { |
| 3078 | key =self->stack->data[k-1]; |
| 3079 | value=self->stack->data[k ]; |
| 3080 | if (PyDict_SetItem(dict, key, value) < 0) { |
| 3081 | Py_DECREF(dict); |
| 3082 | return -1; |
| 3083 | } |
| 3084 | } |
| 3085 | Pdata_clear(self->stack, i); |
| 3086 | PDATA_PUSH(self->stack, dict, -1); |
| 3087 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3088 | } |
| 3089 | |
| 3090 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3091 | Instance_New(PyObject *cls, PyObject *args) |
| 3092 | { |
Tim Peters | 1f1b2d2 | 2003-02-01 02:16:37 +0000 | [diff] [blame] | 3093 | PyObject *r = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3094 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3095 | if (PyClass_Check(cls)) { |
| 3096 | int l; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3097 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3098 | if ((l=PyObject_Size(args)) < 0) goto err; |
| 3099 | if (!( l )) { |
| 3100 | PyObject *__getinitargs__; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3101 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3102 | __getinitargs__ = PyObject_GetAttr(cls, |
| 3103 | __getinitargs___str); |
| 3104 | if (!__getinitargs__) { |
| 3105 | /* We have a class with no __getinitargs__, |
| 3106 | so bypass usual construction */ |
| 3107 | PyObject *inst; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3108 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3109 | PyErr_Clear(); |
| 3110 | if (!( inst=PyInstance_NewRaw(cls, NULL))) |
| 3111 | goto err; |
| 3112 | return inst; |
| 3113 | } |
| 3114 | Py_DECREF(__getinitargs__); |
| 3115 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3116 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3117 | if ((r=PyInstance_New(cls, args, NULL))) return r; |
| 3118 | else goto err; |
| 3119 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3120 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3121 | if (args==Py_None) { |
| 3122 | /* Special case, call cls.__basicnew__() */ |
| 3123 | PyObject *basicnew; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3124 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3125 | basicnew = PyObject_GetAttr(cls, __basicnew___str); |
| 3126 | if (!basicnew) return NULL; |
| 3127 | r=PyObject_CallObject(basicnew, NULL); |
| 3128 | Py_DECREF(basicnew); |
| 3129 | if (r) return r; |
| 3130 | } |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 3131 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3132 | if ((r=PyObject_CallObject(cls, args))) return r; |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 3133 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3134 | err: |
| 3135 | { |
| 3136 | PyObject *tp, *v, *tb; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3137 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3138 | PyErr_Fetch(&tp, &v, &tb); |
| 3139 | if ((r=Py_BuildValue("OOO",v,cls,args))) { |
| 3140 | Py_XDECREF(v); |
| 3141 | v=r; |
| 3142 | } |
| 3143 | PyErr_Restore(tp,v,tb); |
| 3144 | } |
| 3145 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3146 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3147 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3148 | |
| 3149 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3150 | load_obj(Unpicklerobject *self) |
| 3151 | { |
| 3152 | PyObject *class, *tup, *obj=0; |
| 3153 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3154 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3155 | if ((i = marker(self)) < 0) return -1; |
| 3156 | if (!( tup=Pdata_popTuple(self->stack, i+1))) return -1; |
| 3157 | PDATA_POP(self->stack, class); |
| 3158 | if (class) { |
| 3159 | obj = Instance_New(class, tup); |
| 3160 | Py_DECREF(class); |
| 3161 | } |
| 3162 | Py_DECREF(tup); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3163 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3164 | if (! obj) return -1; |
| 3165 | PDATA_PUSH(self->stack, obj, -1); |
| 3166 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3167 | } |
| 3168 | |
| 3169 | |
| 3170 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3171 | load_inst(Unpicklerobject *self) |
| 3172 | { |
| 3173 | PyObject *tup, *class=0, *obj=0, *module_name, *class_name; |
| 3174 | int i, len; |
| 3175 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3176 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3177 | if ((i = marker(self)) < 0) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3178 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3179 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 3180 | if (len < 2) return bad_readline(); |
| 3181 | module_name = PyString_FromStringAndSize(s, len - 1); |
| 3182 | if (!module_name) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3183 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3184 | if ((len = (*self->readline_func)(self, &s)) >= 0) { |
| 3185 | if (len < 2) return bad_readline(); |
| 3186 | if ((class_name = PyString_FromStringAndSize(s, len - 1))) { |
| 3187 | class = find_class(module_name, class_name, |
| 3188 | self->find_class); |
| 3189 | Py_DECREF(class_name); |
| 3190 | } |
| 3191 | } |
| 3192 | Py_DECREF(module_name); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3193 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3194 | if (! class) return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3195 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3196 | if ((tup=Pdata_popTuple(self->stack, i))) { |
| 3197 | obj = Instance_New(class, tup); |
| 3198 | Py_DECREF(tup); |
| 3199 | } |
| 3200 | Py_DECREF(class); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3201 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3202 | if (! obj) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3203 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3204 | PDATA_PUSH(self->stack, obj, -1); |
| 3205 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3206 | } |
| 3207 | |
| 3208 | |
| 3209 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3210 | load_global(Unpicklerobject *self) |
| 3211 | { |
| 3212 | PyObject *class = 0, *module_name = 0, *class_name = 0; |
| 3213 | int len; |
| 3214 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3215 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3216 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 3217 | if (len < 2) return bad_readline(); |
| 3218 | module_name = PyString_FromStringAndSize(s, len - 1); |
| 3219 | if (!module_name) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3220 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3221 | if ((len = (*self->readline_func)(self, &s)) >= 0) { |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 3222 | if (len < 2) { |
| 3223 | Py_DECREF(module_name); |
| 3224 | return bad_readline(); |
| 3225 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3226 | if ((class_name = PyString_FromStringAndSize(s, len - 1))) { |
| 3227 | class = find_class(module_name, class_name, |
| 3228 | self->find_class); |
| 3229 | Py_DECREF(class_name); |
| 3230 | } |
| 3231 | } |
| 3232 | Py_DECREF(module_name); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3233 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3234 | if (! class) return -1; |
| 3235 | PDATA_PUSH(self->stack, class, -1); |
| 3236 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3237 | } |
| 3238 | |
| 3239 | |
| 3240 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3241 | load_persid(Unpicklerobject *self) |
| 3242 | { |
| 3243 | PyObject *pid = 0; |
| 3244 | int len; |
| 3245 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3246 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3247 | if (self->pers_func) { |
| 3248 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 3249 | if (len < 2) return bad_readline(); |
| 3250 | |
| 3251 | pid = PyString_FromStringAndSize(s, len - 1); |
| 3252 | if (!pid) return -1; |
| 3253 | |
| 3254 | if (PyList_Check(self->pers_func)) { |
| 3255 | if (PyList_Append(self->pers_func, pid) < 0) { |
| 3256 | Py_DECREF(pid); |
| 3257 | return -1; |
| 3258 | } |
| 3259 | } |
| 3260 | else { |
| 3261 | ARG_TUP(self, pid); |
| 3262 | if (self->arg) { |
| 3263 | pid = PyObject_Call(self->pers_func, self->arg, |
| 3264 | NULL); |
| 3265 | FREE_ARG_TUP(self); |
| 3266 | } |
| 3267 | } |
| 3268 | |
| 3269 | if (! pid) return -1; |
| 3270 | |
| 3271 | PDATA_PUSH(self->stack, pid, -1); |
| 3272 | return 0; |
| 3273 | } |
| 3274 | else { |
| 3275 | PyErr_SetString(UnpicklingError, |
| 3276 | "A load persistent id instruction was encountered,\n" |
| 3277 | "but no persistent_load function was specified."); |
| 3278 | return -1; |
| 3279 | } |
| 3280 | } |
| 3281 | |
| 3282 | static int |
| 3283 | load_binpersid(Unpicklerobject *self) |
| 3284 | { |
| 3285 | PyObject *pid = 0; |
| 3286 | |
| 3287 | if (self->pers_func) { |
| 3288 | PDATA_POP(self->stack, pid); |
| 3289 | if (! pid) return -1; |
| 3290 | |
| 3291 | if (PyList_Check(self->pers_func)) { |
| 3292 | if (PyList_Append(self->pers_func, pid) < 0) { |
| 3293 | Py_DECREF(pid); |
| 3294 | return -1; |
| 3295 | } |
| 3296 | } |
| 3297 | else { |
| 3298 | ARG_TUP(self, pid); |
| 3299 | if (self->arg) { |
| 3300 | pid = PyObject_Call(self->pers_func, self->arg, |
| 3301 | NULL); |
| 3302 | FREE_ARG_TUP(self); |
| 3303 | } |
| 3304 | if (! pid) return -1; |
| 3305 | } |
| 3306 | |
| 3307 | PDATA_PUSH(self->stack, pid, -1); |
| 3308 | return 0; |
| 3309 | } |
| 3310 | else { |
| 3311 | PyErr_SetString(UnpicklingError, |
| 3312 | "A load persistent id instruction was encountered,\n" |
| 3313 | "but no persistent_load function was specified."); |
| 3314 | return -1; |
| 3315 | } |
| 3316 | } |
| 3317 | |
| 3318 | |
| 3319 | static int |
| 3320 | load_pop(Unpicklerobject *self) |
| 3321 | { |
| 3322 | int len; |
| 3323 | |
| 3324 | if (!( (len=self->stack->length) > 0 )) return stackUnderflow(); |
| 3325 | |
| 3326 | /* Note that we split the (pickle.py) stack into two stacks, |
| 3327 | an object stack and a mark stack. We have to be clever and |
| 3328 | pop the right one. We do this by looking at the top of the |
| 3329 | mark stack. |
| 3330 | */ |
| 3331 | |
| 3332 | if ((self->num_marks > 0) && |
| 3333 | (self->marks[self->num_marks - 1] == len)) |
| 3334 | self->num_marks--; |
| 3335 | else { |
| 3336 | len--; |
| 3337 | Py_DECREF(self->stack->data[len]); |
| 3338 | self->stack->length=len; |
| 3339 | } |
| 3340 | |
| 3341 | return 0; |
| 3342 | } |
| 3343 | |
| 3344 | |
| 3345 | static int |
| 3346 | load_pop_mark(Unpicklerobject *self) |
| 3347 | { |
| 3348 | int i; |
| 3349 | |
| 3350 | if ((i = marker(self)) < 0) |
| 3351 | return -1; |
| 3352 | |
| 3353 | Pdata_clear(self->stack, i); |
| 3354 | |
| 3355 | return 0; |
| 3356 | } |
| 3357 | |
| 3358 | |
| 3359 | static int |
| 3360 | load_dup(Unpicklerobject *self) |
| 3361 | { |
| 3362 | PyObject *last; |
| 3363 | int len; |
| 3364 | |
| 3365 | if ((len = self->stack->length) <= 0) return stackUnderflow(); |
| 3366 | last=self->stack->data[len-1]; |
| 3367 | Py_INCREF(last); |
| 3368 | PDATA_PUSH(self->stack, last, -1); |
| 3369 | return 0; |
| 3370 | } |
| 3371 | |
| 3372 | |
| 3373 | static int |
| 3374 | load_get(Unpicklerobject *self) |
| 3375 | { |
| 3376 | PyObject *py_str = 0, *value = 0; |
| 3377 | int len; |
| 3378 | char *s; |
| 3379 | int rc; |
| 3380 | |
| 3381 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 3382 | if (len < 2) return bad_readline(); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3383 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3384 | if (!( py_str = PyString_FromStringAndSize(s, len - 1))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3385 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3386 | value = PyDict_GetItem(self->memo, py_str); |
| 3387 | if (! value) { |
| 3388 | PyErr_SetObject(BadPickleGet, py_str); |
| 3389 | rc = -1; |
| 3390 | } else { |
| 3391 | PDATA_APPEND(self->stack, value, -1); |
| 3392 | rc = 0; |
| 3393 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3394 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3395 | Py_DECREF(py_str); |
| 3396 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3397 | } |
| 3398 | |
| 3399 | |
| 3400 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3401 | load_binget(Unpicklerobject *self) |
| 3402 | { |
| 3403 | PyObject *py_key = 0, *value = 0; |
| 3404 | unsigned char key; |
| 3405 | char *s; |
| 3406 | int rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3407 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3408 | if ((*self->read_func)(self, &s, 1) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3409 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3410 | key = (unsigned char)s[0]; |
| 3411 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
Guido van Rossum | ea2b715 | 2000-05-09 18:14:50 +0000 | [diff] [blame] | 3412 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3413 | value = PyDict_GetItem(self->memo, py_key); |
| 3414 | if (! value) { |
| 3415 | PyErr_SetObject(BadPickleGet, py_key); |
| 3416 | rc = -1; |
| 3417 | } else { |
| 3418 | PDATA_APPEND(self->stack, value, -1); |
| 3419 | rc = 0; |
| 3420 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3421 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3422 | Py_DECREF(py_key); |
| 3423 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3424 | } |
| 3425 | |
| 3426 | |
| 3427 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3428 | load_long_binget(Unpicklerobject *self) |
| 3429 | { |
| 3430 | PyObject *py_key = 0, *value = 0; |
| 3431 | unsigned char c; |
| 3432 | char *s; |
| 3433 | long key; |
| 3434 | int rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3435 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3436 | if ((*self->read_func)(self, &s, 4) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3437 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3438 | c = (unsigned char)s[0]; |
| 3439 | key = (long)c; |
| 3440 | c = (unsigned char)s[1]; |
| 3441 | key |= (long)c << 8; |
| 3442 | c = (unsigned char)s[2]; |
| 3443 | key |= (long)c << 16; |
| 3444 | c = (unsigned char)s[3]; |
| 3445 | key |= (long)c << 24; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3446 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3447 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
| 3448 | |
| 3449 | value = PyDict_GetItem(self->memo, py_key); |
| 3450 | if (! value) { |
| 3451 | PyErr_SetObject(BadPickleGet, py_key); |
| 3452 | rc = -1; |
| 3453 | } else { |
| 3454 | PDATA_APPEND(self->stack, value, -1); |
| 3455 | rc = 0; |
| 3456 | } |
| 3457 | |
| 3458 | Py_DECREF(py_key); |
| 3459 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3460 | } |
| 3461 | |
| 3462 | |
| 3463 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3464 | load_put(Unpicklerobject *self) |
| 3465 | { |
| 3466 | PyObject *py_str = 0, *value = 0; |
| 3467 | int len, l; |
| 3468 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3469 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3470 | if ((l = (*self->readline_func)(self, &s)) < 0) return -1; |
| 3471 | if (l < 2) return bad_readline(); |
| 3472 | if (!( len=self->stack->length )) return stackUnderflow(); |
| 3473 | if (!( py_str = PyString_FromStringAndSize(s, l - 1))) return -1; |
| 3474 | value=self->stack->data[len-1]; |
| 3475 | l=PyDict_SetItem(self->memo, py_str, value); |
| 3476 | Py_DECREF(py_str); |
| 3477 | return l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3478 | } |
| 3479 | |
| 3480 | |
| 3481 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3482 | load_binput(Unpicklerobject *self) |
| 3483 | { |
| 3484 | PyObject *py_key = 0, *value = 0; |
| 3485 | unsigned char key; |
| 3486 | char *s; |
| 3487 | int len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3488 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3489 | if ((*self->read_func)(self, &s, 1) < 0) return -1; |
| 3490 | if (!( (len=self->stack->length) > 0 )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3491 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3492 | key = (unsigned char)s[0]; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 3493 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3494 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
| 3495 | value=self->stack->data[len-1]; |
| 3496 | len=PyDict_SetItem(self->memo, py_key, value); |
| 3497 | Py_DECREF(py_key); |
| 3498 | return len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3499 | } |
| 3500 | |
| 3501 | |
| 3502 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3503 | load_long_binput(Unpicklerobject *self) |
| 3504 | { |
| 3505 | PyObject *py_key = 0, *value = 0; |
| 3506 | long key; |
| 3507 | unsigned char c; |
| 3508 | char *s; |
| 3509 | int len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3510 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3511 | if ((*self->read_func)(self, &s, 4) < 0) return -1; |
| 3512 | if (!( len=self->stack->length )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3513 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3514 | c = (unsigned char)s[0]; |
| 3515 | key = (long)c; |
| 3516 | c = (unsigned char)s[1]; |
| 3517 | key |= (long)c << 8; |
| 3518 | c = (unsigned char)s[2]; |
| 3519 | key |= (long)c << 16; |
| 3520 | c = (unsigned char)s[3]; |
| 3521 | key |= (long)c << 24; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3522 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3523 | if (!( py_key = PyInt_FromLong(key))) return -1; |
| 3524 | value=self->stack->data[len-1]; |
| 3525 | len=PyDict_SetItem(self->memo, py_key, value); |
| 3526 | Py_DECREF(py_key); |
| 3527 | return len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3528 | } |
| 3529 | |
| 3530 | |
| 3531 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3532 | do_append(Unpicklerobject *self, int x) |
| 3533 | { |
| 3534 | PyObject *value = 0, *list = 0, *append_method = 0; |
| 3535 | int len, i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3536 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3537 | len=self->stack->length; |
| 3538 | if (!( len >= x && x > 0 )) return stackUnderflow(); |
| 3539 | /* nothing to do */ |
| 3540 | if (len==x) return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3541 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3542 | list=self->stack->data[x-1]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3543 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3544 | if (PyList_Check(list)) { |
| 3545 | PyObject *slice; |
| 3546 | int list_len; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3547 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3548 | slice=Pdata_popList(self->stack, x); |
| 3549 | list_len = PyList_GET_SIZE(list); |
| 3550 | i=PyList_SetSlice(list, list_len, list_len, slice); |
| 3551 | Py_DECREF(slice); |
| 3552 | return i; |
| 3553 | } |
| 3554 | else { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3555 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3556 | if (!( append_method = PyObject_GetAttr(list, append_str))) |
| 3557 | return -1; |
| 3558 | |
| 3559 | for (i = x; i < len; i++) { |
| 3560 | PyObject *junk; |
| 3561 | |
| 3562 | value=self->stack->data[i]; |
| 3563 | junk=0; |
| 3564 | ARG_TUP(self, value); |
| 3565 | if (self->arg) { |
| 3566 | junk = PyObject_Call(append_method, self->arg, |
| 3567 | NULL); |
| 3568 | FREE_ARG_TUP(self); |
| 3569 | } |
| 3570 | if (! junk) { |
| 3571 | Pdata_clear(self->stack, i+1); |
| 3572 | self->stack->length=x; |
| 3573 | Py_DECREF(append_method); |
| 3574 | return -1; |
| 3575 | } |
| 3576 | Py_DECREF(junk); |
| 3577 | } |
| 3578 | self->stack->length=x; |
| 3579 | Py_DECREF(append_method); |
| 3580 | } |
| 3581 | |
| 3582 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3583 | } |
| 3584 | |
| 3585 | |
| 3586 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3587 | load_append(Unpicklerobject *self) |
| 3588 | { |
| 3589 | return do_append(self, self->stack->length - 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3590 | } |
| 3591 | |
| 3592 | |
| 3593 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3594 | load_appends(Unpicklerobject *self) |
| 3595 | { |
| 3596 | return do_append(self, marker(self)); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3597 | } |
| 3598 | |
| 3599 | |
| 3600 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3601 | do_setitems(Unpicklerobject *self, int x) |
| 3602 | { |
| 3603 | PyObject *value = 0, *key = 0, *dict = 0; |
| 3604 | int len, i, r=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3605 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3606 | if (!( (len=self->stack->length) >= x |
| 3607 | && x > 0 )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3608 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3609 | dict=self->stack->data[x-1]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3610 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3611 | for (i = x+1; i < len; i += 2) { |
| 3612 | key =self->stack->data[i-1]; |
| 3613 | value=self->stack->data[i ]; |
| 3614 | if (PyObject_SetItem(dict, key, value) < 0) { |
| 3615 | r=-1; |
| 3616 | break; |
| 3617 | } |
| 3618 | } |
| 3619 | |
| 3620 | Pdata_clear(self->stack, x); |
| 3621 | |
| 3622 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3623 | } |
| 3624 | |
| 3625 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3626 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3627 | load_setitem(Unpicklerobject *self) |
| 3628 | { |
| 3629 | return do_setitems(self, self->stack->length - 2); |
| 3630 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3631 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3632 | static int |
| 3633 | load_setitems(Unpicklerobject *self) |
| 3634 | { |
| 3635 | return do_setitems(self, marker(self)); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3636 | } |
| 3637 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3638 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3639 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3640 | load_build(Unpicklerobject *self) |
| 3641 | { |
| 3642 | PyObject *value = 0, *inst = 0, *instdict = 0, *d_key = 0, *d_value = 0, |
| 3643 | *junk = 0, *__setstate__ = 0; |
| 3644 | int i, r = 0; |
| 3645 | |
| 3646 | if (self->stack->length < 2) return stackUnderflow(); |
| 3647 | PDATA_POP(self->stack, value); |
| 3648 | if (! value) return -1; |
| 3649 | inst=self->stack->data[self->stack->length-1]; |
| 3650 | |
| 3651 | if ((__setstate__ = PyObject_GetAttr(inst, __setstate___str))) { |
| 3652 | ARG_TUP(self, value); |
| 3653 | if (self->arg) { |
| 3654 | junk = PyObject_Call(__setstate__, self->arg, NULL); |
| 3655 | FREE_ARG_TUP(self); |
| 3656 | } |
| 3657 | Py_DECREF(__setstate__); |
| 3658 | if (! junk) return -1; |
| 3659 | Py_DECREF(junk); |
| 3660 | return 0; |
| 3661 | } |
| 3662 | |
| 3663 | PyErr_Clear(); |
| 3664 | if ((instdict = PyObject_GetAttr(inst, __dict___str))) { |
| 3665 | i = 0; |
| 3666 | while (PyDict_Next(value, &i, &d_key, &d_value)) { |
| 3667 | if (PyObject_SetItem(instdict, d_key, d_value) < 0) { |
| 3668 | r=-1; |
| 3669 | break; |
| 3670 | } |
| 3671 | } |
| 3672 | Py_DECREF(instdict); |
| 3673 | } |
| 3674 | else r=-1; |
| 3675 | |
| 3676 | Py_XDECREF(value); |
| 3677 | |
| 3678 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3679 | } |
| 3680 | |
| 3681 | |
| 3682 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3683 | load_mark(Unpicklerobject *self) |
| 3684 | { |
| 3685 | int s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3686 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3687 | /* Note that we split the (pickle.py) stack into two stacks, an |
| 3688 | object stack and a mark stack. Here we push a mark onto the |
| 3689 | mark stack. |
| 3690 | */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3691 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3692 | if ((self->num_marks + 1) >= self->marks_size) { |
| 3693 | s=self->marks_size+20; |
| 3694 | if (s <= self->num_marks) s=self->num_marks + 1; |
| 3695 | if (self->marks == NULL) |
| 3696 | self->marks=(int *)malloc(s * sizeof(int)); |
| 3697 | else |
| 3698 | self->marks=(int *)realloc(self->marks, |
| 3699 | s * sizeof(int)); |
| 3700 | if (! self->marks) { |
| 3701 | PyErr_NoMemory(); |
| 3702 | return -1; |
| 3703 | } |
| 3704 | self->marks_size = s; |
| 3705 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3706 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3707 | self->marks[self->num_marks++] = self->stack->length; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3708 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3709 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3710 | } |
| 3711 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3712 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3713 | load_reduce(Unpicklerobject *self) |
| 3714 | { |
| 3715 | PyObject *callable = 0, *arg_tup = 0, *ob = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3716 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3717 | PDATA_POP(self->stack, arg_tup); |
| 3718 | if (! arg_tup) return -1; |
| 3719 | PDATA_POP(self->stack, callable); |
| 3720 | if (callable) { |
| 3721 | ob = Instance_New(callable, arg_tup); |
| 3722 | Py_DECREF(callable); |
| 3723 | } |
| 3724 | Py_DECREF(arg_tup); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3725 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3726 | if (! ob) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3727 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3728 | PDATA_PUSH(self->stack, ob, -1); |
| 3729 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3730 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3731 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3732 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3733 | load(Unpicklerobject *self) |
| 3734 | { |
| 3735 | PyObject *err = 0, *val = 0; |
| 3736 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3737 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3738 | self->num_marks = 0; |
| 3739 | if (self->stack->length) Pdata_clear(self->stack, 0); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3740 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3741 | while (1) { |
| 3742 | if ((*self->read_func)(self, &s, 1) < 0) |
| 3743 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3744 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3745 | switch (s[0]) { |
| 3746 | case NONE: |
| 3747 | if (load_none(self) < 0) |
| 3748 | break; |
| 3749 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3750 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3751 | case BININT: |
| 3752 | if (load_binint(self) < 0) |
| 3753 | break; |
| 3754 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3755 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3756 | case BININT1: |
| 3757 | if (load_binint1(self) < 0) |
| 3758 | break; |
| 3759 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3760 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3761 | case BININT2: |
| 3762 | if (load_binint2(self) < 0) |
| 3763 | break; |
| 3764 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3765 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3766 | case INT: |
| 3767 | if (load_int(self) < 0) |
| 3768 | break; |
| 3769 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3770 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3771 | case LONG: |
| 3772 | if (load_long(self) < 0) |
| 3773 | break; |
| 3774 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3775 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3776 | case FLOAT: |
| 3777 | if (load_float(self) < 0) |
| 3778 | break; |
| 3779 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3780 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3781 | case BINFLOAT: |
| 3782 | if (load_binfloat(self) < 0) |
| 3783 | break; |
| 3784 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3785 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3786 | case BINSTRING: |
| 3787 | if (load_binstring(self) < 0) |
| 3788 | break; |
| 3789 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3790 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3791 | case SHORT_BINSTRING: |
| 3792 | if (load_short_binstring(self) < 0) |
| 3793 | break; |
| 3794 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3795 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3796 | case STRING: |
| 3797 | if (load_string(self) < 0) |
| 3798 | break; |
| 3799 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3800 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3801 | #ifdef Py_USING_UNICODE |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3802 | case UNICODE: |
| 3803 | if (load_unicode(self) < 0) |
| 3804 | break; |
| 3805 | continue; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3806 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3807 | case BINUNICODE: |
| 3808 | if (load_binunicode(self) < 0) |
| 3809 | break; |
| 3810 | continue; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3811 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3812 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3813 | case EMPTY_TUPLE: |
| 3814 | if (load_empty_tuple(self) < 0) |
| 3815 | break; |
| 3816 | continue; |
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 | case TUPLE: |
| 3819 | if (load_tuple(self) < 0) |
| 3820 | break; |
| 3821 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3822 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3823 | case EMPTY_LIST: |
| 3824 | if (load_empty_list(self) < 0) |
| 3825 | break; |
| 3826 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3827 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3828 | case LIST: |
| 3829 | if (load_list(self) < 0) |
| 3830 | break; |
| 3831 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3832 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3833 | case EMPTY_DICT: |
| 3834 | if (load_empty_dict(self) < 0) |
| 3835 | break; |
| 3836 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3837 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3838 | case DICT: |
| 3839 | if (load_dict(self) < 0) |
| 3840 | break; |
| 3841 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3842 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3843 | case OBJ: |
| 3844 | if (load_obj(self) < 0) |
| 3845 | break; |
| 3846 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3847 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3848 | case INST: |
| 3849 | if (load_inst(self) < 0) |
| 3850 | break; |
| 3851 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3852 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3853 | case GLOBAL: |
| 3854 | if (load_global(self) < 0) |
| 3855 | break; |
| 3856 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3857 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3858 | case APPEND: |
| 3859 | if (load_append(self) < 0) |
| 3860 | break; |
| 3861 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3862 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3863 | case APPENDS: |
| 3864 | if (load_appends(self) < 0) |
| 3865 | break; |
| 3866 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3867 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3868 | case BUILD: |
| 3869 | if (load_build(self) < 0) |
| 3870 | break; |
| 3871 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3872 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3873 | case DUP: |
| 3874 | if (load_dup(self) < 0) |
| 3875 | break; |
| 3876 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3877 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3878 | case BINGET: |
| 3879 | if (load_binget(self) < 0) |
| 3880 | break; |
| 3881 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3882 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3883 | case LONG_BINGET: |
| 3884 | if (load_long_binget(self) < 0) |
| 3885 | break; |
| 3886 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3887 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3888 | case GET: |
| 3889 | if (load_get(self) < 0) |
| 3890 | break; |
| 3891 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3892 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3893 | case MARK: |
| 3894 | if (load_mark(self) < 0) |
| 3895 | break; |
| 3896 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3897 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3898 | case BINPUT: |
| 3899 | if (load_binput(self) < 0) |
| 3900 | break; |
| 3901 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3902 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3903 | case LONG_BINPUT: |
| 3904 | if (load_long_binput(self) < 0) |
| 3905 | break; |
| 3906 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3907 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3908 | case PUT: |
| 3909 | if (load_put(self) < 0) |
| 3910 | break; |
| 3911 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3912 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3913 | case POP: |
| 3914 | if (load_pop(self) < 0) |
| 3915 | break; |
| 3916 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3917 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3918 | case POP_MARK: |
| 3919 | if (load_pop_mark(self) < 0) |
| 3920 | break; |
| 3921 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3922 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3923 | case SETITEM: |
| 3924 | if (load_setitem(self) < 0) |
| 3925 | break; |
| 3926 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3927 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3928 | case SETITEMS: |
| 3929 | if (load_setitems(self) < 0) |
| 3930 | break; |
| 3931 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3932 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3933 | case STOP: |
| 3934 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3935 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3936 | case PERSID: |
| 3937 | if (load_persid(self) < 0) |
| 3938 | break; |
| 3939 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3940 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3941 | case BINPERSID: |
| 3942 | if (load_binpersid(self) < 0) |
| 3943 | break; |
| 3944 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3945 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3946 | case REDUCE: |
| 3947 | if (load_reduce(self) < 0) |
| 3948 | break; |
| 3949 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3950 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3951 | case '\0': |
| 3952 | /* end of file */ |
| 3953 | PyErr_SetNone(PyExc_EOFError); |
| 3954 | break; |
Neil Schemenauer | fa79c65 | 2002-03-22 23:02:53 +0000 | [diff] [blame] | 3955 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3956 | default: |
| 3957 | cPickle_ErrFormat(UnpicklingError, |
| 3958 | "invalid load key, '%s'.", |
| 3959 | "c", s[0]); |
| 3960 | return NULL; |
| 3961 | } |
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 | break; |
| 3964 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3965 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3966 | if ((err = PyErr_Occurred())) { |
| 3967 | if (err == PyExc_EOFError) { |
| 3968 | PyErr_SetNone(PyExc_EOFError); |
| 3969 | } |
| 3970 | return NULL; |
| 3971 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3972 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3973 | PDATA_POP(self->stack, val); |
| 3974 | return val; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3975 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3976 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3977 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3978 | /* No-load functions to support noload, which is used to |
| 3979 | find persistent references. */ |
| 3980 | |
| 3981 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3982 | noload_obj(Unpicklerobject *self) |
| 3983 | { |
| 3984 | int i; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3985 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3986 | if ((i = marker(self)) < 0) return -1; |
| 3987 | return Pdata_clear(self->stack, i+1); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3988 | } |
| 3989 | |
| 3990 | |
| 3991 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3992 | noload_inst(Unpicklerobject *self) |
| 3993 | { |
| 3994 | int i; |
| 3995 | char *s; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3996 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3997 | if ((i = marker(self)) < 0) return -1; |
| 3998 | Pdata_clear(self->stack, i); |
| 3999 | if ((*self->readline_func)(self, &s) < 0) return -1; |
| 4000 | if ((*self->readline_func)(self, &s) < 0) return -1; |
| 4001 | PDATA_APPEND(self->stack, Py_None,-1); |
| 4002 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4003 | } |
| 4004 | |
| 4005 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4006 | noload_global(Unpicklerobject *self) |
| 4007 | { |
| 4008 | char *s; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4009 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4010 | if ((*self->readline_func)(self, &s) < 0) return -1; |
| 4011 | if ((*self->readline_func)(self, &s) < 0) return -1; |
| 4012 | PDATA_APPEND(self->stack, Py_None,-1); |
| 4013 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4014 | } |
| 4015 | |
| 4016 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4017 | noload_reduce(Unpicklerobject *self) |
| 4018 | { |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4019 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4020 | if (self->stack->length < 2) return stackUnderflow(); |
| 4021 | Pdata_clear(self->stack, self->stack->length-2); |
| 4022 | PDATA_APPEND(self->stack, Py_None,-1); |
| 4023 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4024 | } |
| 4025 | |
| 4026 | static int |
| 4027 | noload_build(Unpicklerobject *self) { |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4028 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 4029 | if (self->stack->length < 1) return stackUnderflow(); |
| 4030 | Pdata_clear(self->stack, self->stack->length-1); |
Guido van Rossum | 50f385c | 1998-12-04 18:48:44 +0000 | [diff] [blame] | 4031 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4032 | } |
| 4033 | |
| 4034 | |
| 4035 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4036 | noload(Unpicklerobject *self) |
| 4037 | { |
| 4038 | PyObject *err = 0, *val = 0; |
| 4039 | char *s; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4040 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4041 | self->num_marks = 0; |
| 4042 | Pdata_clear(self->stack, 0); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4043 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4044 | while (1) { |
| 4045 | if ((*self->read_func)(self, &s, 1) < 0) |
| 4046 | break; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4047 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4048 | switch (s[0]) { |
| 4049 | case NONE: |
| 4050 | if (load_none(self) < 0) |
| 4051 | break; |
| 4052 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4053 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4054 | case BININT: |
| 4055 | if (load_binint(self) < 0) |
| 4056 | break; |
| 4057 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4058 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4059 | case BININT1: |
| 4060 | if (load_binint1(self) < 0) |
| 4061 | break; |
| 4062 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4063 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4064 | case BININT2: |
| 4065 | if (load_binint2(self) < 0) |
| 4066 | break; |
| 4067 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4068 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4069 | case INT: |
| 4070 | if (load_int(self) < 0) |
| 4071 | break; |
| 4072 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4073 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4074 | case LONG: |
| 4075 | if (load_long(self) < 0) |
| 4076 | break; |
| 4077 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4078 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4079 | case FLOAT: |
| 4080 | if (load_float(self) < 0) |
| 4081 | break; |
| 4082 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4083 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4084 | case BINFLOAT: |
| 4085 | if (load_binfloat(self) < 0) |
| 4086 | break; |
| 4087 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4088 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4089 | case BINSTRING: |
| 4090 | if (load_binstring(self) < 0) |
| 4091 | break; |
| 4092 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4093 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4094 | case SHORT_BINSTRING: |
| 4095 | if (load_short_binstring(self) < 0) |
| 4096 | break; |
| 4097 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4098 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4099 | case STRING: |
| 4100 | if (load_string(self) < 0) |
| 4101 | break; |
| 4102 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4103 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4104 | #ifdef Py_USING_UNICODE |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4105 | case UNICODE: |
| 4106 | if (load_unicode(self) < 0) |
| 4107 | break; |
| 4108 | continue; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4109 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4110 | case BINUNICODE: |
| 4111 | if (load_binunicode(self) < 0) |
| 4112 | break; |
| 4113 | continue; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4114 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4115 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4116 | case EMPTY_TUPLE: |
| 4117 | if (load_empty_tuple(self) < 0) |
| 4118 | break; |
| 4119 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4120 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4121 | case TUPLE: |
| 4122 | if (load_tuple(self) < 0) |
| 4123 | break; |
| 4124 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4125 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4126 | case EMPTY_LIST: |
| 4127 | if (load_empty_list(self) < 0) |
| 4128 | break; |
| 4129 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4130 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4131 | case LIST: |
| 4132 | if (load_list(self) < 0) |
| 4133 | break; |
| 4134 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4135 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4136 | case EMPTY_DICT: |
| 4137 | if (load_empty_dict(self) < 0) |
| 4138 | break; |
| 4139 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4140 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4141 | case DICT: |
| 4142 | if (load_dict(self) < 0) |
| 4143 | break; |
| 4144 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4145 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4146 | case OBJ: |
| 4147 | if (noload_obj(self) < 0) |
| 4148 | break; |
| 4149 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4150 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4151 | case INST: |
| 4152 | if (noload_inst(self) < 0) |
| 4153 | break; |
| 4154 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4155 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4156 | case GLOBAL: |
| 4157 | if (noload_global(self) < 0) |
| 4158 | break; |
| 4159 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4160 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4161 | case APPEND: |
| 4162 | if (load_append(self) < 0) |
| 4163 | break; |
| 4164 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4165 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4166 | case APPENDS: |
| 4167 | if (load_appends(self) < 0) |
| 4168 | break; |
| 4169 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4170 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4171 | case BUILD: |
| 4172 | if (noload_build(self) < 0) |
| 4173 | break; |
| 4174 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4175 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4176 | case DUP: |
| 4177 | if (load_dup(self) < 0) |
| 4178 | break; |
| 4179 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4180 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4181 | case BINGET: |
| 4182 | if (load_binget(self) < 0) |
| 4183 | break; |
| 4184 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4185 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4186 | case LONG_BINGET: |
| 4187 | if (load_long_binget(self) < 0) |
| 4188 | break; |
| 4189 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4190 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4191 | case GET: |
| 4192 | if (load_get(self) < 0) |
| 4193 | break; |
| 4194 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4195 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4196 | case MARK: |
| 4197 | if (load_mark(self) < 0) |
| 4198 | break; |
| 4199 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4200 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4201 | case BINPUT: |
| 4202 | if (load_binput(self) < 0) |
| 4203 | break; |
| 4204 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4205 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4206 | case LONG_BINPUT: |
| 4207 | if (load_long_binput(self) < 0) |
| 4208 | break; |
| 4209 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4210 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4211 | case PUT: |
| 4212 | if (load_put(self) < 0) |
| 4213 | break; |
| 4214 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4215 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4216 | case POP: |
| 4217 | if (load_pop(self) < 0) |
| 4218 | break; |
| 4219 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4220 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4221 | case POP_MARK: |
| 4222 | if (load_pop_mark(self) < 0) |
| 4223 | break; |
| 4224 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4225 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4226 | case SETITEM: |
| 4227 | if (load_setitem(self) < 0) |
| 4228 | break; |
| 4229 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4230 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4231 | case SETITEMS: |
| 4232 | if (load_setitems(self) < 0) |
| 4233 | break; |
| 4234 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4235 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4236 | case STOP: |
| 4237 | break; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4238 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4239 | case PERSID: |
| 4240 | if (load_persid(self) < 0) |
| 4241 | break; |
| 4242 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4243 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4244 | case BINPERSID: |
| 4245 | if (load_binpersid(self) < 0) |
| 4246 | break; |
| 4247 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4248 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4249 | case REDUCE: |
| 4250 | if (noload_reduce(self) < 0) |
| 4251 | break; |
| 4252 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4253 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4254 | default: |
| 4255 | cPickle_ErrFormat(UnpicklingError, |
| 4256 | "invalid load key, '%s'.", |
| 4257 | "c", s[0]); |
| 4258 | return NULL; |
| 4259 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4260 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4261 | break; |
| 4262 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4263 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4264 | if ((err = PyErr_Occurred())) { |
| 4265 | if (err == PyExc_EOFError) { |
| 4266 | PyErr_SetNone(PyExc_EOFError); |
| 4267 | } |
| 4268 | return NULL; |
| 4269 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4270 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4271 | PDATA_POP(self->stack, val); |
| 4272 | return val; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4273 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4274 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4275 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4276 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4277 | Unpickler_load(Unpicklerobject *self, PyObject *args) |
| 4278 | { |
| 4279 | if (!( PyArg_ParseTuple(args, ":load"))) |
| 4280 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4281 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4282 | return load(self); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4283 | } |
| 4284 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4285 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4286 | Unpickler_noload(Unpicklerobject *self, PyObject *args) |
| 4287 | { |
| 4288 | if (!( PyArg_ParseTuple(args, ":noload"))) |
| 4289 | return NULL; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4290 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4291 | return noload(self); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4292 | } |
| 4293 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4294 | |
| 4295 | static struct PyMethodDef Unpickler_methods[] = { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4296 | {"load", (PyCFunction)Unpickler_load, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 4297 | PyDoc_STR("load() -- Load a pickle") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4298 | }, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4299 | {"noload", (PyCFunction)Unpickler_noload, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 4300 | PyDoc_STR( |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4301 | "noload() -- not load a pickle, but go through most of the motions\n" |
| 4302 | "\n" |
| 4303 | "This function can be used to read past a pickle without instantiating\n" |
| 4304 | "any objects or importing any modules. It can also be used to find all\n" |
| 4305 | "persistent references without instantiating any objects or importing\n" |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 4306 | "any modules.\n") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4307 | }, |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4308 | {NULL, NULL} /* sentinel */ |
| 4309 | }; |
| 4310 | |
| 4311 | |
| 4312 | static Unpicklerobject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4313 | newUnpicklerobject(PyObject *f) |
| 4314 | { |
| 4315 | Unpicklerobject *self; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4316 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4317 | if (!( self = PyObject_New(Unpicklerobject, &Unpicklertype))) |
| 4318 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4319 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4320 | self->file = NULL; |
| 4321 | self->arg = NULL; |
| 4322 | self->stack = (Pdata*)Pdata_New(); |
| 4323 | self->pers_func = NULL; |
| 4324 | self->last_string = NULL; |
| 4325 | self->marks = NULL; |
| 4326 | self->num_marks = 0; |
| 4327 | self->marks_size = 0; |
| 4328 | self->buf_size = 0; |
| 4329 | self->read = NULL; |
| 4330 | self->readline = NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4331 | self->find_class = NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4332 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4333 | if (!( self->memo = PyDict_New())) |
| 4334 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4335 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4336 | Py_INCREF(f); |
| 4337 | self->file = f; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4338 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4339 | /* Set read, readline based on type of f */ |
| 4340 | if (PyFile_Check(f)) { |
| 4341 | self->fp = PyFile_AsFile(f); |
| 4342 | if (self->fp == NULL) { |
| 4343 | PyErr_SetString(PyExc_ValueError, |
| 4344 | "I/O operation on closed file"); |
| 4345 | goto err; |
| 4346 | } |
| 4347 | self->read_func = read_file; |
| 4348 | self->readline_func = readline_file; |
Guido van Rossum | c91fcaa | 1999-03-29 20:00:14 +0000 | [diff] [blame] | 4349 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4350 | else if (PycStringIO_InputCheck(f)) { |
| 4351 | self->fp = NULL; |
| 4352 | self->read_func = read_cStringIO; |
| 4353 | self->readline_func = readline_cStringIO; |
| 4354 | } |
| 4355 | else { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4356 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4357 | self->fp = NULL; |
| 4358 | self->read_func = read_other; |
| 4359 | self->readline_func = readline_other; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4360 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4361 | if (!( (self->readline = PyObject_GetAttr(f, readline_str)) && |
| 4362 | (self->read = PyObject_GetAttr(f, read_str)))) { |
| 4363 | PyErr_Clear(); |
| 4364 | PyErr_SetString( PyExc_TypeError, |
| 4365 | "argument must have 'read' and " |
| 4366 | "'readline' attributes" ); |
| 4367 | goto err; |
| 4368 | } |
| 4369 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4370 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4371 | return self; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4372 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4373 | err: |
| 4374 | Py_DECREF((PyObject *)self); |
| 4375 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4376 | } |
| 4377 | |
| 4378 | |
| 4379 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4380 | get_Unpickler(PyObject *self, PyObject *args) |
| 4381 | { |
| 4382 | PyObject *file; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4383 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4384 | if (!( PyArg_ParseTuple(args, "O:Unpickler", &file))) |
| 4385 | return NULL; |
| 4386 | return (PyObject *)newUnpicklerobject(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4387 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4388 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4389 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4390 | static void |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4391 | Unpickler_dealloc(Unpicklerobject *self) |
| 4392 | { |
| 4393 | Py_XDECREF(self->readline); |
| 4394 | Py_XDECREF(self->read); |
| 4395 | Py_XDECREF(self->file); |
| 4396 | Py_XDECREF(self->memo); |
| 4397 | Py_XDECREF(self->stack); |
| 4398 | Py_XDECREF(self->pers_func); |
| 4399 | Py_XDECREF(self->arg); |
| 4400 | Py_XDECREF(self->last_string); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4401 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4402 | if (self->marks) { |
| 4403 | free(self->marks); |
| 4404 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4405 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4406 | if (self->buf_size) { |
| 4407 | free(self->buf); |
| 4408 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4409 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4410 | PyObject_Del(self); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4411 | } |
| 4412 | |
| 4413 | |
| 4414 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4415 | Unpickler_getattr(Unpicklerobject *self, char *name) |
| 4416 | { |
| 4417 | if (!strcmp(name, "persistent_load")) { |
| 4418 | if (!self->pers_func) { |
| 4419 | PyErr_SetString(PyExc_AttributeError, name); |
| 4420 | return NULL; |
| 4421 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4422 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4423 | Py_INCREF(self->pers_func); |
| 4424 | return self->pers_func; |
| 4425 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4426 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4427 | if (!strcmp(name, "find_global")) { |
| 4428 | if (!self->find_class) { |
| 4429 | PyErr_SetString(PyExc_AttributeError, name); |
| 4430 | return NULL; |
| 4431 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 4432 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4433 | Py_INCREF(self->find_class); |
| 4434 | return self->find_class; |
| 4435 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 4436 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4437 | if (!strcmp(name, "memo")) { |
| 4438 | if (!self->memo) { |
| 4439 | PyErr_SetString(PyExc_AttributeError, name); |
| 4440 | return NULL; |
| 4441 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4442 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4443 | Py_INCREF(self->memo); |
| 4444 | return self->memo; |
| 4445 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4446 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4447 | if (!strcmp(name, "UnpicklingError")) { |
| 4448 | Py_INCREF(UnpicklingError); |
| 4449 | return UnpicklingError; |
| 4450 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4451 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4452 | return Py_FindMethod(Unpickler_methods, (PyObject *)self, name); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4453 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4454 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4455 | |
| 4456 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4457 | Unpickler_setattr(Unpicklerobject *self, char *name, PyObject *value) |
| 4458 | { |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 4459 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4460 | if (!strcmp(name, "persistent_load")) { |
| 4461 | Py_XDECREF(self->pers_func); |
| 4462 | self->pers_func = value; |
| 4463 | Py_XINCREF(value); |
| 4464 | return 0; |
| 4465 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 4466 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4467 | if (!strcmp(name, "find_global")) { |
| 4468 | Py_XDECREF(self->find_class); |
| 4469 | self->find_class = value; |
| 4470 | Py_XINCREF(value); |
| 4471 | return 0; |
| 4472 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 4473 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4474 | if (! value) { |
| 4475 | PyErr_SetString(PyExc_TypeError, |
| 4476 | "attribute deletion is not supported"); |
| 4477 | return -1; |
| 4478 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 4479 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4480 | if (strcmp(name, "memo") == 0) { |
| 4481 | if (!PyDict_Check(value)) { |
| 4482 | PyErr_SetString(PyExc_TypeError, |
| 4483 | "memo must be a dictionary"); |
| 4484 | return -1; |
| 4485 | } |
| 4486 | Py_XDECREF(self->memo); |
| 4487 | self->memo = value; |
| 4488 | Py_INCREF(value); |
| 4489 | return 0; |
| 4490 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 4491 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4492 | PyErr_SetString(PyExc_AttributeError, name); |
| 4493 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4494 | } |
| 4495 | |
| 4496 | |
| 4497 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4498 | cpm_dump(PyObject *self, PyObject *args) |
| 4499 | { |
| 4500 | PyObject *ob, *file, *res = NULL; |
| 4501 | Picklerobject *pickler = 0; |
| 4502 | int bin = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4503 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4504 | if (!( PyArg_ParseTuple(args, "OO|i", &ob, &file, &bin))) |
| 4505 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4506 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4507 | if (!( pickler = newPicklerobject(file, bin))) |
| 4508 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4509 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4510 | if (dump(pickler, ob) < 0) |
| 4511 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4512 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4513 | Py_INCREF(Py_None); |
| 4514 | res = Py_None; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4515 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4516 | finally: |
| 4517 | Py_XDECREF(pickler); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4518 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4519 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4520 | } |
| 4521 | |
| 4522 | |
| 4523 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4524 | cpm_dumps(PyObject *self, PyObject *args) |
| 4525 | { |
| 4526 | PyObject *ob, *file = 0, *res = NULL; |
| 4527 | Picklerobject *pickler = 0; |
| 4528 | int bin = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4529 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4530 | if (!( PyArg_ParseTuple(args, "O|i:dumps", &ob, &bin))) |
| 4531 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4532 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4533 | if (!( file = PycStringIO->NewOutput(128))) |
| 4534 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4535 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4536 | if (!( pickler = newPicklerobject(file, bin))) |
| 4537 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4538 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4539 | if (dump(pickler, ob) < 0) |
| 4540 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4541 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4542 | res = PycStringIO->cgetvalue(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4543 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4544 | finally: |
| 4545 | Py_XDECREF(pickler); |
| 4546 | Py_XDECREF(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4547 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4548 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4549 | } |
| 4550 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4551 | |
| 4552 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4553 | cpm_load(PyObject *self, PyObject *args) |
| 4554 | { |
| 4555 | Unpicklerobject *unpickler = 0; |
| 4556 | PyObject *ob, *res = NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4557 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4558 | if (!( PyArg_ParseTuple(args, "O:load", &ob))) |
| 4559 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4560 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4561 | if (!( unpickler = newUnpicklerobject(ob))) |
| 4562 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4563 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4564 | res = load(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4565 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4566 | finally: |
| 4567 | Py_XDECREF(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4568 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4569 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4570 | } |
| 4571 | |
| 4572 | |
| 4573 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4574 | cpm_loads(PyObject *self, PyObject *args) |
| 4575 | { |
| 4576 | PyObject *ob, *file = 0, *res = NULL; |
| 4577 | Unpicklerobject *unpickler = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4578 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4579 | if (!( PyArg_ParseTuple(args, "S:loads", &ob))) |
| 4580 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4581 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4582 | if (!( file = PycStringIO->NewInput(ob))) |
| 4583 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4584 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4585 | if (!( unpickler = newUnpicklerobject(file))) |
| 4586 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4587 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4588 | res = load(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4589 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4590 | finally: |
| 4591 | Py_XDECREF(file); |
| 4592 | Py_XDECREF(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4593 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4594 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4595 | } |
| 4596 | |
| 4597 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 4598 | PyDoc_STRVAR(Unpicklertype__doc__, |
| 4599 | "Objects that know how to unpickle"); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4600 | |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 4601 | static PyTypeObject Unpicklertype = { |
| 4602 | PyObject_HEAD_INIT(NULL) |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4603 | 0, /*ob_size*/ |
Guido van Rossum | 1464839 | 2001-12-08 18:02:58 +0000 | [diff] [blame] | 4604 | "cPickle.Unpickler", /*tp_name*/ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4605 | sizeof(Unpicklerobject), /*tp_basicsize*/ |
| 4606 | 0, /*tp_itemsize*/ |
| 4607 | /* methods */ |
| 4608 | (destructor)Unpickler_dealloc, /*tp_dealloc*/ |
| 4609 | (printfunc)0, /*tp_print*/ |
| 4610 | (getattrfunc)Unpickler_getattr, /*tp_getattr*/ |
| 4611 | (setattrfunc)Unpickler_setattr, /*tp_setattr*/ |
| 4612 | (cmpfunc)0, /*tp_compare*/ |
| 4613 | (reprfunc)0, /*tp_repr*/ |
| 4614 | 0, /*tp_as_number*/ |
| 4615 | 0, /*tp_as_sequence*/ |
| 4616 | 0, /*tp_as_mapping*/ |
| 4617 | (hashfunc)0, /*tp_hash*/ |
| 4618 | (ternaryfunc)0, /*tp_call*/ |
| 4619 | (reprfunc)0, /*tp_str*/ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4620 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4621 | /* Space for future expansion */ |
| 4622 | 0L,0L,0L,0L, |
| 4623 | Unpicklertype__doc__ /* Documentation string */ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 4624 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4625 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4626 | static struct PyMethodDef cPickle_methods[] = { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4627 | {"dump", (PyCFunction)cpm_dump, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 4628 | PyDoc_STR("dump(object, file, [binary]) --" |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4629 | "Write an object in pickle format to the given file\n" |
| 4630 | "\n" |
| 4631 | "If the optional argument, binary, is provided and is true, then the\n" |
| 4632 | "pickle will be written in binary format, which is more space and\n" |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 4633 | "computationally efficient. \n") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4634 | }, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4635 | {"dumps", (PyCFunction)cpm_dumps, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 4636 | PyDoc_STR("dumps(object, [binary]) --" |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4637 | "Return a string containing an object in pickle format\n" |
| 4638 | "\n" |
| 4639 | "If the optional argument, binary, is provided and is true, then the\n" |
| 4640 | "pickle will be written in binary format, which is more space and\n" |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 4641 | "computationally efficient. \n") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4642 | }, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4643 | {"load", (PyCFunction)cpm_load, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 4644 | PyDoc_STR("load(file) -- Load a pickle from the given file")}, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4645 | {"loads", (PyCFunction)cpm_loads, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 4646 | PyDoc_STR("loads(string) -- Load a pickle from the given string")}, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4647 | {"Pickler", (PyCFunction)get_Pickler, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 4648 | PyDoc_STR("Pickler(file, [binary]) -- Create a pickler\n" |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4649 | "\n" |
| 4650 | "If the optional argument, binary, is provided and is true, then\n" |
| 4651 | "pickles will be written in binary format, which is more space and\n" |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 4652 | "computationally efficient. \n") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4653 | }, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4654 | {"Unpickler", (PyCFunction)get_Unpickler, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 4655 | PyDoc_STR("Unpickler(file) -- Create an unpickler")}, |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4656 | { NULL, NULL } |
| 4657 | }; |
| 4658 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4659 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4660 | init_stuff(PyObject *module_dict) |
| 4661 | { |
| 4662 | PyObject *copy_reg, *t, *r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4663 | |
Martin v. Löwis | 43c9d8a | 2002-04-01 12:34:33 +0000 | [diff] [blame] | 4664 | #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] | 4665 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4666 | INIT_STR(__class__); |
| 4667 | INIT_STR(__getinitargs__); |
| 4668 | INIT_STR(__dict__); |
| 4669 | INIT_STR(__getstate__); |
| 4670 | INIT_STR(__setstate__); |
| 4671 | INIT_STR(__name__); |
| 4672 | INIT_STR(__main__); |
| 4673 | INIT_STR(__reduce__); |
| 4674 | INIT_STR(write); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4675 | INIT_STR(append); |
| 4676 | INIT_STR(read); |
| 4677 | INIT_STR(readline); |
| 4678 | INIT_STR(copy_reg); |
| 4679 | INIT_STR(dispatch_table); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4680 | INIT_STR(__basicnew__); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4681 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4682 | if (!( copy_reg = PyImport_ImportModule("copy_reg"))) |
| 4683 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4684 | |
Tim Peters | 1f1b2d2 | 2003-02-01 02:16:37 +0000 | [diff] [blame] | 4685 | /* This is special because we want to use a different |
| 4686 | one in restricted mode. */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4687 | dispatch_table = PyObject_GetAttr(copy_reg, dispatch_table_str); |
| 4688 | if (!dispatch_table) |
| 4689 | return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4690 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4691 | Py_DECREF(copy_reg); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4692 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4693 | /* Down to here ********************************** */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4694 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4695 | if (!( empty_tuple = PyTuple_New(0))) |
| 4696 | return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4697 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4698 | /* Ugh */ |
| 4699 | if (!( t=PyImport_ImportModule("__builtin__"))) return -1; |
| 4700 | if (PyDict_SetItemString(module_dict, "__builtins__", t) < 0) |
| 4701 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4702 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4703 | if (!( t=PyDict_New())) return -1; |
| 4704 | if (!( r=PyRun_String( |
| 4705 | "def __init__(self, *args): self.args=args\n\n" |
| 4706 | "def __str__(self):\n" |
| 4707 | " return self.args and ('%s' % self.args[0]) or '(what)'\n", |
| 4708 | Py_file_input, |
| 4709 | module_dict, t) )) return -1; |
| 4710 | Py_DECREF(r); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4711 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4712 | PickleError = PyErr_NewException("cPickle.PickleError", NULL, t); |
| 4713 | if (!PickleError) |
| 4714 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4715 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4716 | Py_DECREF(t); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4717 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4718 | PicklingError = PyErr_NewException("cPickle.PicklingError", |
| 4719 | PickleError, NULL); |
| 4720 | if (!PicklingError) |
| 4721 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4722 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4723 | if (!( t=PyDict_New())) return -1; |
| 4724 | if (!( r=PyRun_String( |
| 4725 | "def __init__(self, *args): self.args=args\n\n" |
| 4726 | "def __str__(self):\n" |
| 4727 | " a=self.args\n" |
| 4728 | " a=a and type(a[0]) or '(what)'\n" |
| 4729 | " return 'Cannot pickle %s objects' % a\n" |
| 4730 | , Py_file_input, |
| 4731 | module_dict, t) )) return -1; |
| 4732 | Py_DECREF(r); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4733 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4734 | if (!( UnpickleableError = PyErr_NewException( |
| 4735 | "cPickle.UnpickleableError", PicklingError, t))) |
| 4736 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4737 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4738 | Py_DECREF(t); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4739 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4740 | if (!( UnpicklingError = PyErr_NewException("cPickle.UnpicklingError", |
| 4741 | PickleError, NULL))) |
| 4742 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4743 | |
Martin v. Löwis | 658009a | 2002-09-16 17:26:24 +0000 | [diff] [blame] | 4744 | if (!( BadPickleGet = PyErr_NewException("cPickle.BadPickleGet", |
| 4745 | UnpicklingError, NULL))) |
| 4746 | return -1; |
| 4747 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4748 | if (PyDict_SetItemString(module_dict, "PickleError", |
| 4749 | PickleError) < 0) |
| 4750 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4751 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4752 | if (PyDict_SetItemString(module_dict, "PicklingError", |
| 4753 | PicklingError) < 0) |
| 4754 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4755 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4756 | if (PyDict_SetItemString(module_dict, "UnpicklingError", |
| 4757 | UnpicklingError) < 0) |
| 4758 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4759 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4760 | if (PyDict_SetItemString(module_dict, "UnpickleableError", |
| 4761 | UnpickleableError) < 0) |
| 4762 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4763 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4764 | if (PyDict_SetItemString(module_dict, "BadPickleGet", |
| 4765 | BadPickleGet) < 0) |
| 4766 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4767 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4768 | PycString_IMPORT; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 4769 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4770 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4771 | } |
| 4772 | |
Mark Hammond | fe51c6d | 2002-08-02 02:27:13 +0000 | [diff] [blame] | 4773 | #ifndef PyMODINIT_FUNC /* declarations for DLL import/export */ |
| 4774 | #define PyMODINIT_FUNC void |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 4775 | #endif |
Mark Hammond | fe51c6d | 2002-08-02 02:27:13 +0000 | [diff] [blame] | 4776 | PyMODINIT_FUNC |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4777 | initcPickle(void) |
| 4778 | { |
| 4779 | PyObject *m, *d, *di, *v, *k; |
| 4780 | int i; |
| 4781 | char *rev="1.71"; |
| 4782 | PyObject *format_version; |
| 4783 | PyObject *compatible_formats; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4784 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4785 | Picklertype.ob_type = &PyType_Type; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4786 | Unpicklertype.ob_type = &PyType_Type; |
| 4787 | PdataType.ob_type = &PyType_Type; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4788 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4789 | /* Initialize some pieces. We need to do this before module creation, |
| 4790 | so we're forced to use a temporary dictionary. :( |
| 4791 | */ |
| 4792 | di=PyDict_New(); |
| 4793 | if (!di) return; |
| 4794 | if (init_stuff(di) < 0) return; |
Guido van Rossum | ebba420 | 2000-09-07 14:35:37 +0000 | [diff] [blame] | 4795 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4796 | /* Create the module and add the functions */ |
| 4797 | m = Py_InitModule4("cPickle", cPickle_methods, |
| 4798 | cPickle_module_documentation, |
| 4799 | (PyObject*)NULL,PYTHON_API_VERSION); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4800 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4801 | /* Add some symbolic constants to the module */ |
| 4802 | d = PyModule_GetDict(m); |
| 4803 | PyDict_SetItemString(d,"__version__", v = PyString_FromString(rev)); |
| 4804 | Py_XDECREF(v); |
Barry Warsaw | 93d29b6 | 1997-01-14 17:45:08 +0000 | [diff] [blame] | 4805 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4806 | /* Copy data from di. Waaa. */ |
| 4807 | for (i=0; PyDict_Next(di, &i, &k, &v); ) { |
| 4808 | if (PyObject_SetItem(d, k, v) < 0) { |
| 4809 | Py_DECREF(di); |
| 4810 | return; |
| 4811 | } |
| 4812 | } |
| 4813 | Py_DECREF(di); |
Guido van Rossum | ebba420 | 2000-09-07 14:35:37 +0000 | [diff] [blame] | 4814 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4815 | format_version = PyString_FromString("1.3"); |
| 4816 | compatible_formats = Py_BuildValue("[sss]", "1.0", "1.1", "1.2"); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4817 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4818 | PyDict_SetItemString(d, "format_version", format_version); |
| 4819 | PyDict_SetItemString(d, "compatible_formats", compatible_formats); |
| 4820 | Py_XDECREF(format_version); |
| 4821 | Py_XDECREF(compatible_formats); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4822 | } |