Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1 | static char cPickle_module_documentation[] = |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 2 | "C implementation and optimization of the Python pickle module\n" |
| 3 | "\n" |
Guido van Rossum | 2f80d96 | 1999-07-13 15:18:58 +0000 | [diff] [blame] | 4 | "cPickle.c,v 1.71 1999/07/11 13:30:34 jim Exp\n" |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5 | ; |
| 6 | |
| 7 | #include "Python.h" |
| 8 | #include "cStringIO.h" |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 9 | #include "structmember.h" |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 10 | |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 11 | #ifndef Py_eval_input |
| 12 | #include <graminit.h> |
| 13 | #define Py_eval_input eval_input |
Guido van Rossum | c6ef204 | 1997-08-21 02:30:45 +0000 | [diff] [blame] | 14 | #endif /* Py_eval_input */ |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 15 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 16 | #include <errno.h> |
| 17 | |
Martin v. Löwis | 43c9d8a | 2002-04-01 12:34:33 +0000 | [diff] [blame] | 18 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 19 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 20 | #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] | 21 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 22 | #define WRITE_BUF_SIZE 256 |
| 23 | |
Tim Peters | 3906eb8 | 2001-04-10 04:22:00 +0000 | [diff] [blame] | 24 | /* -------------------------------------------------------------------------- |
| 25 | NOTES on format codes. |
| 26 | XXX much more is needed here |
| 27 | |
| 28 | Integer types |
Tim Peters | d8ae7c2 | 2001-04-10 04:35:28 +0000 | [diff] [blame] | 29 | BININT1 8-bit unsigned integer; followed by 1 byte. |
Tim Peters | 3906eb8 | 2001-04-10 04:22:00 +0000 | [diff] [blame] | 30 | BININT2 16-bit unsigned integer; followed by 2 bytes, little-endian. |
Tim Peters | d8ae7c2 | 2001-04-10 04:35:28 +0000 | [diff] [blame] | 31 | BININT 32-bit signed integer; followed by 4 bytes, little-endian. |
| 32 | INT Integer; natural decimal string conversion, then newline. |
Tim Peters | 3906eb8 | 2001-04-10 04:22:00 +0000 | [diff] [blame] | 33 | CAUTION: INT-reading code can't assume that what follows |
| 34 | fits in a Python int, because the size of Python ints varies |
| 35 | across platforms. |
Tim Peters | d8ae7c2 | 2001-04-10 04:35:28 +0000 | [diff] [blame] | 36 | LONG Long (unbounded) integer; repr(i), then newline. |
Tim Peters | 3906eb8 | 2001-04-10 04:22:00 +0000 | [diff] [blame] | 37 | -------------------------------------------------------------------------- */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 38 | |
| 39 | #define MARK '(' |
| 40 | #define STOP '.' |
| 41 | #define POP '0' |
| 42 | #define POP_MARK '1' |
| 43 | #define DUP '2' |
| 44 | #define FLOAT 'F' |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 45 | #define BINFLOAT 'G' |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 46 | #define INT 'I' |
| 47 | #define BININT 'J' |
| 48 | #define BININT1 'K' |
| 49 | #define LONG 'L' |
| 50 | #define BININT2 'M' |
| 51 | #define NONE 'N' |
| 52 | #define PERSID 'P' |
| 53 | #define BINPERSID 'Q' |
| 54 | #define REDUCE 'R' |
| 55 | #define STRING 'S' |
| 56 | #define BINSTRING 'T' |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 57 | #define SHORT_BINSTRING 'U' |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 58 | #define UNICODE 'V' |
| 59 | #define BINUNICODE 'X' |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 60 | #define APPEND 'a' |
| 61 | #define BUILD 'b' |
| 62 | #define GLOBAL 'c' |
| 63 | #define DICT 'd' |
| 64 | #define EMPTY_DICT '}' |
| 65 | #define APPENDS 'e' |
| 66 | #define GET 'g' |
| 67 | #define BINGET 'h' |
| 68 | #define INST 'i' |
| 69 | #define LONG_BINGET 'j' |
| 70 | #define LIST 'l' |
| 71 | #define EMPTY_LIST ']' |
| 72 | #define OBJ 'o' |
| 73 | #define PUT 'p' |
| 74 | #define BINPUT 'q' |
| 75 | #define LONG_BINPUT 'r' |
| 76 | #define SETITEM 's' |
| 77 | #define TUPLE 't' |
| 78 | #define EMPTY_TUPLE ')' |
| 79 | #define SETITEMS 'u' |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 80 | #define TRUE "I01\n" |
| 81 | #define FALSE "I00\n" |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 82 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 83 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 84 | static char MARKv = MARK; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 85 | |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 86 | static PyObject *PickleError; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 87 | static PyObject *PicklingError; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 88 | static PyObject *UnpickleableError; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 89 | static PyObject *UnpicklingError; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 90 | static PyObject *BadPickleGet; |
| 91 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 92 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 93 | static PyObject *dispatch_table; |
| 94 | static PyObject *safe_constructors; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 95 | static PyObject *empty_tuple; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 96 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 97 | static PyObject *__class___str, *__getinitargs___str, *__dict___str, |
| 98 | *__getstate___str, *__setstate___str, *__name___str, *__reduce___str, |
| 99 | *write_str, *__safe_for_unpickling___str, *append_str, |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 100 | *read_str, *readline_str, *__main___str, *__basicnew___str, |
Fred Drake | 2c7a685 | 2001-07-17 18:34:03 +0000 | [diff] [blame] | 101 | *copy_reg_str, *dispatch_table_str, *safe_constructors_str; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 102 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 103 | /************************************************************************* |
| 104 | Internal Data type for pickle data. */ |
| 105 | |
| 106 | typedef struct { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 107 | PyObject_HEAD |
| 108 | int length, size; |
| 109 | PyObject **data; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 110 | } Pdata; |
| 111 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 112 | static void |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 113 | Pdata_dealloc(Pdata *self) |
| 114 | { |
| 115 | int i; |
| 116 | PyObject **p; |
| 117 | |
| 118 | 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] | 119 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 120 | if (self->data) free(self->data); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 121 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 122 | PyObject_Del(self); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 123 | } |
| 124 | |
| 125 | static PyTypeObject PdataType = { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 126 | PyObject_HEAD_INIT(NULL) 0, "cPickle.Pdata", sizeof(Pdata), 0, |
| 127 | (destructor)Pdata_dealloc, |
| 128 | 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] | 129 | }; |
| 130 | |
| 131 | #define Pdata_Check(O) ((O)->ob_type == &PdataType) |
| 132 | |
| 133 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 134 | Pdata_New(void) |
| 135 | { |
| 136 | Pdata *self; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 137 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 138 | if (!( self = PyObject_New(Pdata, &PdataType))) return NULL; |
| 139 | self->size=8; |
| 140 | self->length=0; |
| 141 | self->data=malloc(self->size * sizeof(PyObject*)); |
| 142 | if (self->data) return (PyObject*)self; |
| 143 | Py_DECREF(self); |
| 144 | return PyErr_NoMemory(); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 145 | } |
| 146 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 147 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 148 | stackUnderflow(void) |
| 149 | { |
| 150 | PyErr_SetString(UnpicklingError, "unpickling stack underflow"); |
| 151 | return -1; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 152 | } |
| 153 | |
| 154 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 155 | Pdata_clear(Pdata *self, int clearto) |
| 156 | { |
| 157 | int i; |
| 158 | PyObject **p; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 159 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 160 | if (clearto < 0) return stackUnderflow(); |
| 161 | if (clearto >= self->length) return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 162 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 163 | for (i=self->length, p=self->data+clearto; --i >= clearto; p++) |
| 164 | Py_DECREF(*p); |
| 165 | self->length=clearto; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 166 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 167 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 168 | } |
| 169 | |
| 170 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 171 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 172 | Pdata_grow(Pdata *self) |
| 173 | { |
| 174 | if (! self->size) { |
| 175 | PyErr_NoMemory(); |
| 176 | return -1; |
| 177 | } |
| 178 | self->size *= 2; |
| 179 | self->data = realloc(self->data, self->size*sizeof(PyObject*)); |
| 180 | if (! self->data) { |
| 181 | self->size = 0; |
| 182 | PyErr_NoMemory(); |
| 183 | return -1; |
| 184 | } |
| 185 | return 0; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 186 | } |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 187 | |
| 188 | #define PDATA_POP(D,V) { \ |
| 189 | if ((D)->length) V=D->data[--((D)->length)]; \ |
| 190 | else { \ |
| 191 | PyErr_SetString(UnpicklingError, "bad pickle data"); \ |
| 192 | V=NULL; \ |
| 193 | } \ |
| 194 | } |
| 195 | |
| 196 | |
| 197 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 198 | Pdata_popTuple(Pdata *self, int start) |
| 199 | { |
| 200 | PyObject *r; |
| 201 | int i, j, l; |
| 202 | |
| 203 | l=self->length-start; |
| 204 | if (!( r=PyTuple_New(l))) return NULL; |
| 205 | for (i=start, j=0 ; j < l; i++, j++) |
| 206 | PyTuple_SET_ITEM(r, j, self->data[i]); |
| 207 | |
| 208 | self->length=start; |
| 209 | return r; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 210 | } |
| 211 | |
| 212 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 213 | Pdata_popList(Pdata *self, int start) |
| 214 | { |
| 215 | PyObject *r; |
| 216 | int i, j, l; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 217 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 218 | l=self->length-start; |
| 219 | if (!( r=PyList_New(l))) return NULL; |
| 220 | for (i=start, j=0 ; j < l; i++, j++) |
| 221 | PyList_SET_ITEM(r, j, self->data[i]); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 222 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 223 | self->length=start; |
| 224 | return r; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 225 | } |
| 226 | |
| 227 | #define PDATA_APPEND_(D,O,ER) { \ |
| 228 | if (Pdata_Append(((Pdata*)(D)), O) < 0) return ER; \ |
| 229 | } |
| 230 | |
| 231 | #define PDATA_APPEND(D,O,ER) { \ |
| 232 | if (((Pdata*)(D))->length == ((Pdata*)(D))->size && \ |
| 233 | Pdata_grow((Pdata*)(D)) < 0) \ |
| 234 | return ER; \ |
| 235 | Py_INCREF(O); \ |
| 236 | ((Pdata*)(D))->data[((Pdata*)(D))->length++]=O; \ |
| 237 | } |
| 238 | |
| 239 | #define PDATA_PUSH(D,O,ER) { \ |
| 240 | if (((Pdata*)(D))->length == ((Pdata*)(D))->size && \ |
| 241 | Pdata_grow((Pdata*)(D)) < 0) { \ |
| 242 | Py_DECREF(O); \ |
| 243 | return ER; \ |
| 244 | } \ |
| 245 | ((Pdata*)(D))->data[((Pdata*)(D))->length++]=O; \ |
| 246 | } |
| 247 | |
| 248 | /*************************************************************************/ |
| 249 | |
| 250 | #define ARG_TUP(self, o) { \ |
| 251 | if (self->arg || (self->arg=PyTuple_New(1))) { \ |
| 252 | Py_XDECREF(PyTuple_GET_ITEM(self->arg,0)); \ |
| 253 | PyTuple_SET_ITEM(self->arg,0,o); \ |
| 254 | } \ |
| 255 | else { \ |
| 256 | Py_DECREF(o); \ |
| 257 | } \ |
| 258 | } |
| 259 | |
| 260 | #define FREE_ARG_TUP(self) { \ |
| 261 | if (self->arg->ob_refcnt > 1) { \ |
| 262 | Py_DECREF(self->arg); \ |
| 263 | self->arg=NULL; \ |
| 264 | } \ |
| 265 | } |
| 266 | |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 267 | typedef struct Picklerobject { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 268 | PyObject_HEAD |
| 269 | FILE *fp; |
| 270 | PyObject *write; |
| 271 | PyObject *file; |
| 272 | PyObject *memo; |
| 273 | PyObject *arg; |
| 274 | PyObject *pers_func; |
| 275 | PyObject *inst_pers_func; |
| 276 | int bin; |
| 277 | int fast; /* Fast mode doesn't save in memo, don't use if circ ref */ |
| 278 | int (*write_func)(struct Picklerobject *, char *, int); |
| 279 | char *write_buf; |
| 280 | int buf_size; |
| 281 | PyObject *dispatch_table; |
| 282 | int fast_container; /* count nested container dumps */ |
| 283 | PyObject *fast_memo; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 284 | } Picklerobject; |
| 285 | |
Barry Warsaw | 52acb49 | 2001-12-21 20:04:22 +0000 | [diff] [blame] | 286 | #ifndef PY_CPICKLE_FAST_LIMIT |
| 287 | #define PY_CPICKLE_FAST_LIMIT 50 |
| 288 | #endif |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 289 | |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 290 | staticforward PyTypeObject Picklertype; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 291 | |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 292 | typedef struct Unpicklerobject { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 293 | PyObject_HEAD |
| 294 | FILE *fp; |
| 295 | PyObject *file; |
| 296 | PyObject *readline; |
| 297 | PyObject *read; |
| 298 | PyObject *memo; |
| 299 | PyObject *arg; |
| 300 | Pdata *stack; |
| 301 | PyObject *mark; |
| 302 | PyObject *pers_func; |
| 303 | PyObject *last_string; |
| 304 | int *marks; |
| 305 | int num_marks; |
| 306 | int marks_size; |
| 307 | int (*read_func)(struct Unpicklerobject *, char **, int); |
| 308 | int (*readline_func)(struct Unpicklerobject *, char **); |
| 309 | int buf_size; |
| 310 | char *buf; |
| 311 | PyObject *safe_constructors; |
| 312 | PyObject *find_class; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 313 | } Unpicklerobject; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 314 | |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 315 | staticforward PyTypeObject Unpicklertype; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 316 | |
Thomas Wouters | 4789b3a | 2000-07-24 11:36:47 +0000 | [diff] [blame] | 317 | /* Forward decls that need the above structs */ |
| 318 | static int save(Picklerobject *, PyObject *, int); |
| 319 | static int put2(Picklerobject *, PyObject *); |
| 320 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 321 | int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 322 | cPickle_PyMapping_HasKey(PyObject *o, PyObject *key) |
| 323 | { |
| 324 | PyObject *v; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 325 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 326 | if ((v = PyObject_GetItem(o,key))) { |
| 327 | Py_DECREF(v); |
| 328 | return 1; |
| 329 | } |
| 330 | |
| 331 | PyErr_Clear(); |
| 332 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 333 | } |
| 334 | |
Guido van Rossum | d385d59 | 1997-04-09 17:47:47 +0000 | [diff] [blame] | 335 | static |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 336 | PyObject * |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 337 | cPickle_ErrFormat(PyObject *ErrType, char *stringformat, char *format, ...) |
| 338 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 339 | va_list va; |
| 340 | PyObject *args=0, *retval=0; |
| 341 | va_start(va, format); |
| 342 | |
| 343 | if (format) args = Py_VaBuildValue(format, va); |
| 344 | va_end(va); |
| 345 | if (format && ! args) return NULL; |
| 346 | if (stringformat && !(retval=PyString_FromString(stringformat))) |
| 347 | return NULL; |
| 348 | |
| 349 | if (retval) { |
| 350 | if (args) { |
| 351 | PyObject *v; |
| 352 | v=PyString_Format(retval, args); |
| 353 | Py_DECREF(retval); |
| 354 | Py_DECREF(args); |
| 355 | if (! v) return NULL; |
| 356 | retval=v; |
| 357 | } |
| 358 | } |
| 359 | else |
| 360 | if (args) retval=args; |
| 361 | else { |
| 362 | PyErr_SetObject(ErrType,Py_None); |
| 363 | return NULL; |
| 364 | } |
| 365 | PyErr_SetObject(ErrType,retval); |
| 366 | Py_DECREF(retval); |
| 367 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 368 | } |
| 369 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 370 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 371 | write_file(Picklerobject *self, char *s, int n) |
| 372 | { |
| 373 | size_t nbyteswritten; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 374 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 375 | if (s == NULL) { |
| 376 | return 0; |
| 377 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 378 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 379 | Py_BEGIN_ALLOW_THREADS |
| 380 | nbyteswritten = fwrite(s, sizeof(char), n, self->fp); |
| 381 | Py_END_ALLOW_THREADS |
| 382 | if (nbyteswritten != (size_t)n) { |
| 383 | PyErr_SetFromErrno(PyExc_IOError); |
| 384 | return -1; |
| 385 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 386 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 387 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 388 | } |
| 389 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 390 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 391 | write_cStringIO(Picklerobject *self, char *s, int n) |
| 392 | { |
| 393 | if (s == NULL) { |
| 394 | return 0; |
| 395 | } |
| 396 | |
| 397 | if (PycStringIO->cwrite((PyObject *)self->file, s, n) != n) { |
| 398 | return -1; |
| 399 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 400 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 401 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 402 | } |
| 403 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 404 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 405 | write_none(Picklerobject *self, char *s, int n) |
| 406 | { |
| 407 | if (s == NULL) return 0; |
| 408 | return n; |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 409 | } |
| 410 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 411 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 412 | write_other(Picklerobject *self, char *s, int n) |
| 413 | { |
| 414 | PyObject *py_str = 0, *junk = 0; |
| 415 | |
| 416 | if (s == NULL) { |
| 417 | if (!( self->buf_size )) return 0; |
| 418 | py_str = PyString_FromStringAndSize(self->write_buf, |
| 419 | self->buf_size); |
| 420 | if (!py_str) |
| 421 | return -1; |
| 422 | } |
| 423 | else { |
| 424 | if (self->buf_size && (n + self->buf_size) > WRITE_BUF_SIZE) { |
| 425 | if (write_other(self, NULL, 0) < 0) |
| 426 | return -1; |
| 427 | } |
| 428 | |
| 429 | if (n > WRITE_BUF_SIZE) { |
| 430 | if (!( py_str = |
| 431 | PyString_FromStringAndSize(s, n))) |
| 432 | return -1; |
| 433 | } |
| 434 | else { |
| 435 | memcpy(self->write_buf + self->buf_size, s, n); |
| 436 | self->buf_size += n; |
| 437 | return n; |
| 438 | } |
| 439 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 440 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 441 | if (self->write) { |
| 442 | /* object with write method */ |
| 443 | ARG_TUP(self, py_str); |
| 444 | if (self->arg) { |
| 445 | junk = PyObject_Call(self->write, self->arg, NULL); |
| 446 | FREE_ARG_TUP(self); |
| 447 | } |
| 448 | if (junk) Py_DECREF(junk); |
| 449 | else return -1; |
| 450 | } |
| 451 | else |
| 452 | PDATA_PUSH(self->file, py_str, -1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 453 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 454 | self->buf_size = 0; |
| 455 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 456 | } |
| 457 | |
| 458 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 459 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 460 | read_file(Unpicklerobject *self, char **s, int n) |
| 461 | { |
| 462 | size_t nbytesread; |
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 | if (self->buf_size == 0) { |
| 465 | int size; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 466 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 467 | size = ((n < 32) ? 32 : n); |
| 468 | if (!( self->buf = (char *)malloc(size * sizeof(char)))) { |
| 469 | PyErr_NoMemory(); |
| 470 | return -1; |
| 471 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 472 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 473 | self->buf_size = size; |
| 474 | } |
| 475 | else if (n > self->buf_size) { |
| 476 | self->buf = (char *)realloc(self->buf, n * sizeof(char)); |
| 477 | if (!self->buf) { |
| 478 | PyErr_NoMemory(); |
| 479 | return -1; |
| 480 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 481 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 482 | self->buf_size = n; |
| 483 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 484 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 485 | Py_BEGIN_ALLOW_THREADS |
| 486 | nbytesread = fread(self->buf, sizeof(char), n, self->fp); |
| 487 | Py_END_ALLOW_THREADS |
| 488 | if (nbytesread != (size_t)n) { |
| 489 | if (feof(self->fp)) { |
| 490 | PyErr_SetNone(PyExc_EOFError); |
| 491 | return -1; |
| 492 | } |
| 493 | |
| 494 | PyErr_SetFromErrno(PyExc_IOError); |
| 495 | return -1; |
| 496 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 497 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 498 | *s = self->buf; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 499 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 500 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 501 | } |
| 502 | |
| 503 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 504 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 505 | readline_file(Unpicklerobject *self, char **s) |
| 506 | { |
| 507 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 508 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 509 | if (self->buf_size == 0) { |
| 510 | if (!( self->buf = (char *)malloc(40 * sizeof(char)))) { |
| 511 | PyErr_NoMemory(); |
| 512 | return -1; |
| 513 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 514 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 515 | self->buf_size = 40; |
| 516 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 517 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 518 | i = 0; |
| 519 | while (1) { |
| 520 | for (; i < (self->buf_size - 1); i++) { |
| 521 | if (feof(self->fp) || |
| 522 | (self->buf[i] = getc(self->fp)) == '\n') { |
| 523 | self->buf[i + 1] = '\0'; |
| 524 | *s = self->buf; |
| 525 | return i + 1; |
| 526 | } |
| 527 | } |
| 528 | self->buf = (char *)realloc(self->buf, |
| 529 | (self->buf_size * 2) * sizeof(char)); |
| 530 | if (!self->buf) { |
| 531 | PyErr_NoMemory(); |
| 532 | return -1; |
| 533 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 534 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 535 | self->buf_size *= 2; |
| 536 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 537 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 538 | |
| 539 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 540 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 541 | read_cStringIO(Unpicklerobject *self, char **s, int n) |
| 542 | { |
| 543 | char *ptr; |
| 544 | |
| 545 | if (PycStringIO->cread((PyObject *)self->file, &ptr, n) != n) { |
| 546 | PyErr_SetNone(PyExc_EOFError); |
| 547 | return -1; |
| 548 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 549 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 550 | *s = ptr; |
| 551 | |
| 552 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 553 | } |
| 554 | |
| 555 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 556 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 557 | readline_cStringIO(Unpicklerobject *self, char **s) |
| 558 | { |
| 559 | int n; |
| 560 | char *ptr; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 561 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 562 | if ((n = PycStringIO->creadline((PyObject *)self->file, &ptr)) < 0) { |
| 563 | return -1; |
| 564 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 565 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 566 | *s = ptr; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 567 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 568 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 569 | } |
| 570 | |
| 571 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 572 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 573 | read_other(Unpicklerobject *self, char **s, int n) |
| 574 | { |
| 575 | PyObject *bytes, *str=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 576 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 577 | if (!( bytes = PyInt_FromLong(n))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 578 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 579 | ARG_TUP(self, bytes); |
| 580 | if (self->arg) { |
| 581 | str = PyObject_Call(self->read, self->arg, NULL); |
| 582 | FREE_ARG_TUP(self); |
| 583 | } |
| 584 | if (! str) return -1; |
| 585 | |
| 586 | Py_XDECREF(self->last_string); |
| 587 | self->last_string = str; |
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 | if (! (*s = PyString_AsString(str))) return -1; |
| 590 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 591 | } |
| 592 | |
| 593 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 594 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 595 | readline_other(Unpicklerobject *self, char **s) |
| 596 | { |
| 597 | PyObject *str; |
| 598 | int str_size; |
| 599 | |
| 600 | if (!( str = PyObject_CallObject(self->readline, empty_tuple))) { |
| 601 | return -1; |
| 602 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 603 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 604 | if ((str_size = PyString_Size(str)) < 0) |
| 605 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 606 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 607 | Py_XDECREF(self->last_string); |
| 608 | self->last_string = str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 609 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 610 | if (! (*s = PyString_AsString(str))) |
| 611 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 612 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 613 | return str_size; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 614 | } |
| 615 | |
| 616 | |
| 617 | static char * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 618 | pystrndup(char *s, int l) |
| 619 | { |
| 620 | char *r; |
| 621 | if (!( r=malloc((l+1)*sizeof(char)))) return (char*)PyErr_NoMemory(); |
| 622 | memcpy(r,s,l); |
| 623 | r[l]=0; |
| 624 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 625 | } |
| 626 | |
| 627 | |
| 628 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 629 | get(Picklerobject *self, PyObject *id) |
| 630 | { |
| 631 | PyObject *value, *mv; |
| 632 | long c_value; |
| 633 | char s[30]; |
| 634 | size_t len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 635 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 636 | if (!( mv = PyDict_GetItem(self->memo, id))) { |
| 637 | PyErr_SetObject(PyExc_KeyError, id); |
| 638 | return -1; |
| 639 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 640 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 641 | if (!( value = PyTuple_GetItem(mv, 0))) |
| 642 | return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 643 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 644 | if (!( PyInt_Check(value))) { |
| 645 | PyErr_SetString(PicklingError, "no int where int expected in memo"); |
| 646 | return -1; |
| 647 | } |
| 648 | c_value = PyInt_AS_LONG((PyIntObject*)value); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 649 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 650 | if (!self->bin) { |
| 651 | s[0] = GET; |
| 652 | PyOS_snprintf(s + 1, sizeof(s) - 1, "%ld\n", c_value); |
| 653 | len = strlen(s); |
| 654 | } |
| 655 | else if (Pdata_Check(self->file)) { |
| 656 | if (write_other(self, NULL, 0) < 0) return -1; |
| 657 | PDATA_APPEND(self->file, mv, -1); |
| 658 | return 0; |
| 659 | } |
| 660 | else { |
| 661 | if (c_value < 256) { |
| 662 | s[0] = BINGET; |
| 663 | s[1] = (int)(c_value & 0xff); |
| 664 | len = 2; |
| 665 | } |
| 666 | else { |
| 667 | s[0] = LONG_BINGET; |
| 668 | s[1] = (int)(c_value & 0xff); |
| 669 | s[2] = (int)((c_value >> 8) & 0xff); |
| 670 | s[3] = (int)((c_value >> 16) & 0xff); |
| 671 | s[4] = (int)((c_value >> 24) & 0xff); |
| 672 | len = 5; |
| 673 | } |
| 674 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 675 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 676 | if ((*self->write_func)(self, s, len) < 0) |
| 677 | return -1; |
| 678 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 679 | return 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 680 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 681 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 682 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 683 | static int |
| 684 | put(Picklerobject *self, PyObject *ob) |
| 685 | { |
| 686 | if (ob->ob_refcnt < 2 || self->fast) |
| 687 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 688 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 689 | return put2(self, ob); |
| 690 | } |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 691 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 692 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 693 | static int |
| 694 | put2(Picklerobject *self, PyObject *ob) |
| 695 | { |
| 696 | char c_str[30]; |
| 697 | int p; |
| 698 | size_t len; |
| 699 | int res = -1; |
| 700 | PyObject *py_ob_id = 0, *memo_len = 0, *t = 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 701 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 702 | if (self->fast) |
| 703 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 704 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 705 | if ((p = PyDict_Size(self->memo)) < 0) |
| 706 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 707 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 708 | /* Make sure memo keys are positive! */ |
| 709 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 710 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 711 | if (!( py_ob_id = PyLong_FromVoidPtr(ob))) |
| 712 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 713 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 714 | if (!( memo_len = PyInt_FromLong(p))) |
| 715 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 716 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 717 | if (!( t = PyTuple_New(2))) |
| 718 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 719 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 720 | PyTuple_SET_ITEM(t, 0, memo_len); |
| 721 | Py_INCREF(memo_len); |
| 722 | PyTuple_SET_ITEM(t, 1, ob); |
| 723 | Py_INCREF(ob); |
| 724 | |
| 725 | if (PyDict_SetItem(self->memo, py_ob_id, t) < 0) |
| 726 | goto finally; |
| 727 | |
| 728 | if (!self->bin) { |
| 729 | c_str[0] = PUT; |
| 730 | PyOS_snprintf(c_str + 1, sizeof(c_str) - 1, "%d\n", p); |
| 731 | len = strlen(c_str); |
| 732 | } |
| 733 | else if (Pdata_Check(self->file)) { |
| 734 | if (write_other(self, NULL, 0) < 0) return -1; |
| 735 | PDATA_APPEND(self->file, memo_len, -1); |
| 736 | res=0; /* Job well done ;) */ |
| 737 | goto finally; |
| 738 | } |
| 739 | else { |
| 740 | if (p >= 256) { |
| 741 | c_str[0] = LONG_BINPUT; |
| 742 | c_str[1] = (int)(p & 0xff); |
| 743 | c_str[2] = (int)((p >> 8) & 0xff); |
| 744 | c_str[3] = (int)((p >> 16) & 0xff); |
| 745 | c_str[4] = (int)((p >> 24) & 0xff); |
| 746 | len = 5; |
| 747 | } |
| 748 | else { |
| 749 | c_str[0] = BINPUT; |
| 750 | c_str[1] = p; |
| 751 | len = 2; |
| 752 | } |
| 753 | } |
| 754 | |
| 755 | if ((*self->write_func)(self, c_str, len) < 0) |
| 756 | goto finally; |
| 757 | |
| 758 | res = 0; |
| 759 | |
| 760 | finally: |
| 761 | Py_XDECREF(py_ob_id); |
| 762 | Py_XDECREF(memo_len); |
| 763 | Py_XDECREF(t); |
| 764 | |
| 765 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 766 | } |
| 767 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 768 | #define PyImport_Import cPickle_Import |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 769 | |
| 770 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 771 | PyImport_Import(PyObject *module_name) |
| 772 | { |
| 773 | static PyObject *silly_list=0, *__builtins___str=0, *__import___str; |
| 774 | static PyObject *standard_builtins=0; |
| 775 | PyObject *globals=0, *__import__=0, *__builtins__=0, *r=0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 776 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 777 | if (!( silly_list )) { |
| 778 | if (!( __import___str=PyString_FromString("__import__"))) |
| 779 | return NULL; |
| 780 | if (!( __builtins___str=PyString_FromString("__builtins__"))) |
| 781 | return NULL; |
| 782 | if (!( silly_list=Py_BuildValue("[s]","__doc__"))) |
| 783 | return NULL; |
| 784 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 785 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 786 | if ((globals=PyEval_GetGlobals())) { |
| 787 | Py_INCREF(globals); |
| 788 | __builtins__=PyObject_GetItem(globals,__builtins___str); |
| 789 | if (!__builtins__) |
| 790 | goto err; |
| 791 | } |
| 792 | else { |
| 793 | PyErr_Clear(); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 794 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 795 | if (!(standard_builtins || |
| 796 | (standard_builtins=PyImport_ImportModule("__builtin__")))) |
| 797 | return NULL; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 798 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 799 | __builtins__=standard_builtins; |
| 800 | Py_INCREF(__builtins__); |
| 801 | globals = Py_BuildValue("{sO}", "__builtins__", __builtins__); |
| 802 | if (!globals) |
| 803 | goto err; |
| 804 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 805 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 806 | if (PyDict_Check(__builtins__)) { |
| 807 | __import__=PyObject_GetItem(__builtins__,__import___str); |
| 808 | if (!__import__) goto err; |
| 809 | } |
| 810 | else { |
| 811 | __import__=PyObject_GetAttr(__builtins__,__import___str); |
| 812 | if (!__import__) goto err; |
| 813 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 814 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 815 | r=PyObject_CallFunction(__import__,"OOOO", |
| 816 | module_name, globals, globals, silly_list); |
| 817 | if (!r) |
| 818 | goto err; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 819 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 820 | Py_DECREF(globals); |
| 821 | Py_DECREF(__builtins__); |
| 822 | Py_DECREF(__import__); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 823 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 824 | return r; |
| 825 | err: |
| 826 | Py_XDECREF(globals); |
| 827 | Py_XDECREF(__builtins__); |
| 828 | Py_XDECREF(__import__); |
| 829 | return NULL; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 830 | } |
| 831 | |
| 832 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 833 | whichmodule(PyObject *global, PyObject *global_name) |
| 834 | { |
| 835 | int i, j; |
| 836 | PyObject *module = 0, *modules_dict = 0, |
| 837 | *global_name_attr = 0, *name = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 838 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 839 | module = PyObject_GetAttrString(global, "__module__"); |
| 840 | if (module) return module; |
| 841 | PyErr_Clear(); |
Guido van Rossum | 4518823 | 1997-09-28 05:38:51 +0000 | [diff] [blame] | 842 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 843 | if (!( modules_dict = PySys_GetObject("modules"))) |
| 844 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 845 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 846 | i = 0; |
| 847 | while ((j = PyDict_Next(modules_dict, &i, &name, &module))) { |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 848 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 849 | if (PyObject_Compare(name, __main___str)==0) continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 850 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 851 | global_name_attr = PyObject_GetAttr(module, global_name); |
| 852 | if (!global_name_attr) { |
| 853 | PyErr_Clear(); |
| 854 | continue; |
| 855 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 856 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 857 | if (global_name_attr != global) { |
| 858 | Py_DECREF(global_name_attr); |
| 859 | continue; |
| 860 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 861 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 862 | Py_DECREF(global_name_attr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 863 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 864 | break; |
| 865 | } |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 866 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 867 | /* The following implements the rule in pickle.py added in 1.5 |
| 868 | that used __main__ if no module is found. I don't actually |
| 869 | like this rule. jlf |
| 870 | */ |
| 871 | if (!j) { |
| 872 | j=1; |
| 873 | name=__main___str; |
| 874 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 875 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 876 | Py_INCREF(name); |
| 877 | return name; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 878 | } |
| 879 | |
| 880 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 881 | static int |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 882 | fast_save_enter(Picklerobject *self, PyObject *obj) |
| 883 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 884 | /* if fast_container < 0, we're doing an error exit. */ |
| 885 | if (++self->fast_container >= PY_CPICKLE_FAST_LIMIT) { |
| 886 | PyObject *key = NULL; |
| 887 | if (self->fast_memo == NULL) { |
| 888 | self->fast_memo = PyDict_New(); |
| 889 | if (self->fast_memo == NULL) { |
| 890 | self->fast_container = -1; |
| 891 | return 0; |
| 892 | } |
| 893 | } |
| 894 | key = PyLong_FromVoidPtr(obj); |
| 895 | if (key == NULL) |
| 896 | return 0; |
| 897 | if (PyDict_GetItem(self->fast_memo, key)) { |
| 898 | PyErr_Format(PyExc_ValueError, |
| 899 | "fast mode: can't pickle cyclic objects including object type %s at %p", |
| 900 | obj->ob_type->tp_name, obj); |
| 901 | self->fast_container = -1; |
| 902 | return 0; |
| 903 | } |
| 904 | if (PyDict_SetItem(self->fast_memo, key, Py_None) < 0) { |
| 905 | self->fast_container = -1; |
| 906 | return 0; |
| 907 | } |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 908 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 909 | return 1; |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 910 | } |
| 911 | |
| 912 | int |
| 913 | fast_save_leave(Picklerobject *self, PyObject *obj) |
| 914 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 915 | if (self->fast_container-- >= PY_CPICKLE_FAST_LIMIT) { |
| 916 | PyObject *key = PyLong_FromVoidPtr(obj); |
| 917 | if (key == NULL) |
| 918 | return 0; |
| 919 | if (PyDict_DelItem(self->fast_memo, key) < 0) { |
| 920 | return 0; |
| 921 | } |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 922 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 923 | return 1; |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 924 | } |
| 925 | |
| 926 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 927 | save_none(Picklerobject *self, PyObject *args) |
| 928 | { |
| 929 | static char none = NONE; |
| 930 | if ((*self->write_func)(self, &none, 1) < 0) |
| 931 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 932 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 933 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 934 | } |
| 935 | |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 936 | static int |
| 937 | save_bool(Picklerobject *self, PyObject *args) |
| 938 | { |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 939 | static char *buf[2] = {FALSE, TRUE}; |
| 940 | static char len[2] = {sizeof(FALSE)-1, sizeof(TRUE)-1}; |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 941 | long l = PyInt_AS_LONG((PyIntObject *)args); |
| 942 | |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 943 | if ((*self->write_func)(self, buf[l], len[l]) < 0) |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 944 | return -1; |
| 945 | |
| 946 | return 0; |
| 947 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 948 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 949 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 950 | save_int(Picklerobject *self, PyObject *args) |
| 951 | { |
| 952 | char c_str[32]; |
| 953 | long l = PyInt_AS_LONG((PyIntObject *)args); |
| 954 | int len = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 955 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 956 | if (!self->bin |
Guido van Rossum | de8d6d7 | 1997-05-13 18:00:44 +0000 | [diff] [blame] | 957 | #if SIZEOF_LONG > 4 |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 958 | || l > 0x7fffffffL |
| 959 | || l < -0x80000000L |
Guido van Rossum | de8d6d7 | 1997-05-13 18:00:44 +0000 | [diff] [blame] | 960 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 961 | ) { |
| 962 | /* Text-mode pickle, or long too big to fit in the 4-byte |
| 963 | * signed BININT format: store as a string. |
| 964 | */ |
| 965 | c_str[0] = INT; |
| 966 | PyOS_snprintf(c_str + 1, sizeof(c_str) - 1, "%ld\n", l); |
| 967 | if ((*self->write_func)(self, c_str, strlen(c_str)) < 0) |
| 968 | return -1; |
| 969 | } |
| 970 | else { |
| 971 | /* Binary pickle and l fits in a signed 4-byte int. */ |
| 972 | c_str[1] = (int)( l & 0xff); |
| 973 | c_str[2] = (int)((l >> 8) & 0xff); |
| 974 | c_str[3] = (int)((l >> 16) & 0xff); |
| 975 | c_str[4] = (int)((l >> 24) & 0xff); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 976 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 977 | if ((c_str[4] == 0) && (c_str[3] == 0)) { |
| 978 | if (c_str[2] == 0) { |
| 979 | c_str[0] = BININT1; |
| 980 | len = 2; |
| 981 | } |
| 982 | else { |
| 983 | c_str[0] = BININT2; |
| 984 | len = 3; |
| 985 | } |
| 986 | } |
| 987 | else { |
| 988 | c_str[0] = BININT; |
| 989 | len = 5; |
| 990 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 991 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 992 | if ((*self->write_func)(self, c_str, len) < 0) |
| 993 | return -1; |
| 994 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 995 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 996 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 997 | } |
| 998 | |
| 999 | |
| 1000 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1001 | save_long(Picklerobject *self, PyObject *args) |
| 1002 | { |
| 1003 | int size, res = -1; |
| 1004 | PyObject *repr = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1005 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1006 | static char l = LONG; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1007 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1008 | if (!( repr = PyObject_Repr(args))) |
| 1009 | goto finally; |
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 | if ((size = PyString_Size(repr)) < 0) |
| 1012 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1013 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1014 | if ((*self->write_func)(self, &l, 1) < 0) |
| 1015 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1016 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1017 | if ((*self->write_func)(self, |
| 1018 | PyString_AS_STRING((PyStringObject *)repr), |
| 1019 | size) < 0) |
| 1020 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1021 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1022 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1023 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1024 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1025 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1026 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1027 | finally: |
| 1028 | Py_XDECREF(repr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1029 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1030 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1031 | } |
| 1032 | |
| 1033 | |
| 1034 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1035 | save_float(Picklerobject *self, PyObject *args) |
| 1036 | { |
| 1037 | double x = PyFloat_AS_DOUBLE((PyFloatObject *)args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1038 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1039 | if (self->bin) { |
| 1040 | int s, e; |
| 1041 | double f; |
| 1042 | long fhi, flo; |
| 1043 | char str[9]; |
| 1044 | unsigned char *p = (unsigned char *)str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1045 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1046 | *p = BINFLOAT; |
| 1047 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1048 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1049 | if (x < 0) { |
| 1050 | s = 1; |
| 1051 | x = -x; |
| 1052 | } |
| 1053 | else |
| 1054 | s = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1055 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1056 | f = frexp(x, &e); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1057 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1058 | /* Normalize f to be in the range [1.0, 2.0) */ |
| 1059 | if (0.5 <= f && f < 1.0) { |
| 1060 | f *= 2.0; |
| 1061 | e--; |
| 1062 | } |
| 1063 | else if (f == 0.0) { |
| 1064 | e = 0; |
| 1065 | } |
| 1066 | else { |
| 1067 | PyErr_SetString(PyExc_SystemError, |
| 1068 | "frexp() result out of range"); |
| 1069 | return -1; |
| 1070 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1071 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1072 | if (e >= 1024) { |
| 1073 | /* XXX 1024 itself is reserved for Inf/NaN */ |
| 1074 | PyErr_SetString(PyExc_OverflowError, |
| 1075 | "float too large to pack with d format"); |
| 1076 | return -1; |
| 1077 | } |
| 1078 | else if (e < -1022) { |
| 1079 | /* Gradual underflow */ |
| 1080 | f = ldexp(f, 1022 + e); |
| 1081 | e = 0; |
| 1082 | } |
| 1083 | else if (!(e == 0 && f == 0.0)) { |
| 1084 | e += 1023; |
| 1085 | f -= 1.0; /* Get rid of leading 1 */ |
| 1086 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1087 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1088 | /* fhi receives the high 28 bits; |
| 1089 | flo the low 24 bits (== 52 bits) */ |
| 1090 | f *= 268435456.0; /* 2**28 */ |
| 1091 | fhi = (long) floor(f); /* Truncate */ |
| 1092 | f -= (double)fhi; |
| 1093 | f *= 16777216.0; /* 2**24 */ |
| 1094 | flo = (long) floor(f + 0.5); /* Round */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1095 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1096 | /* First byte */ |
| 1097 | *p = (s<<7) | (e>>4); |
| 1098 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1099 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1100 | /* Second byte */ |
| 1101 | *p = (unsigned char) (((e&0xF)<<4) | (fhi>>24)); |
| 1102 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1103 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1104 | /* Third byte */ |
| 1105 | *p = (unsigned char) ((fhi>>16) & 0xFF); |
| 1106 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1107 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1108 | /* Fourth byte */ |
| 1109 | *p = (unsigned char) ((fhi>>8) & 0xFF); |
| 1110 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1111 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1112 | /* Fifth byte */ |
| 1113 | *p = (unsigned char) (fhi & 0xFF); |
| 1114 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1115 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1116 | /* Sixth byte */ |
| 1117 | *p = (unsigned char) ((flo>>16) & 0xFF); |
| 1118 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1119 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1120 | /* Seventh byte */ |
| 1121 | *p = (unsigned char) ((flo>>8) & 0xFF); |
| 1122 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1123 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1124 | /* Eighth byte */ |
| 1125 | *p = (unsigned char) (flo & 0xFF); |
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 | if ((*self->write_func)(self, str, 9) < 0) |
| 1128 | return -1; |
| 1129 | } |
| 1130 | else { |
| 1131 | char c_str[250]; |
| 1132 | c_str[0] = FLOAT; |
| 1133 | 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] | 1134 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1135 | if ((*self->write_func)(self, c_str, strlen(c_str)) < 0) |
| 1136 | return -1; |
| 1137 | } |
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 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1140 | } |
| 1141 | |
| 1142 | |
| 1143 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1144 | save_string(Picklerobject *self, PyObject *args, int doput) |
| 1145 | { |
| 1146 | int size, len; |
| 1147 | PyObject *repr=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1148 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1149 | if ((size = PyString_Size(args)) < 0) |
| 1150 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1151 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1152 | if (!self->bin) { |
| 1153 | char *repr_str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1154 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1155 | static char string = STRING; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1156 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1157 | if (!( repr = PyObject_Repr(args))) |
| 1158 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1159 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1160 | if ((len = PyString_Size(repr)) < 0) |
| 1161 | goto err; |
| 1162 | repr_str = PyString_AS_STRING((PyStringObject *)repr); |
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 ((*self->write_func)(self, &string, 1) < 0) |
| 1165 | goto err; |
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->write_func)(self, repr_str, len) < 0) |
| 1168 | goto err; |
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 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1171 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1172 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1173 | Py_XDECREF(repr); |
| 1174 | } |
| 1175 | else { |
| 1176 | int i; |
| 1177 | char c_str[5]; |
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 ((size = PyString_Size(args)) < 0) |
| 1180 | return -1; |
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 (size < 256) { |
| 1183 | c_str[0] = SHORT_BINSTRING; |
| 1184 | c_str[1] = size; |
| 1185 | len = 2; |
| 1186 | } |
| 1187 | else { |
| 1188 | c_str[0] = BINSTRING; |
| 1189 | for (i = 1; i < 5; i++) |
| 1190 | c_str[i] = (int)(size >> ((i - 1) * 8)); |
| 1191 | len = 5; |
| 1192 | } |
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 ((*self->write_func)(self, c_str, len) < 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 > 128 && Pdata_Check(self->file)) { |
| 1198 | if (write_other(self, NULL, 0) < 0) return -1; |
| 1199 | PDATA_APPEND(self->file, args, -1); |
| 1200 | } |
| 1201 | else { |
| 1202 | if ((*self->write_func)(self, |
| 1203 | PyString_AS_STRING((PyStringObject *)args), size) < 0) |
| 1204 | return -1; |
| 1205 | } |
| 1206 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1207 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1208 | if (doput) |
| 1209 | if (put(self, args) < 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 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1213 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1214 | err: |
| 1215 | Py_XDECREF(repr); |
| 1216 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1217 | } |
| 1218 | |
| 1219 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1220 | #ifdef Py_USING_UNICODE |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1221 | /* A copy of PyUnicode_EncodeRawUnicodeEscape() that also translates |
| 1222 | backslash and newline characters to \uXXXX escapes. */ |
| 1223 | static PyObject * |
| 1224 | modified_EncodeRawUnicodeEscape(const Py_UNICODE *s, int size) |
| 1225 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1226 | PyObject *repr; |
| 1227 | char *p; |
| 1228 | char *q; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1229 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1230 | static const char *hexdigit = "0123456789ABCDEF"; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1231 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1232 | repr = PyString_FromStringAndSize(NULL, 6 * size); |
| 1233 | if (repr == NULL) |
| 1234 | return NULL; |
| 1235 | if (size == 0) |
| 1236 | return repr; |
| 1237 | |
| 1238 | p = q = PyString_AS_STRING(repr); |
| 1239 | while (size-- > 0) { |
| 1240 | Py_UNICODE ch = *s++; |
| 1241 | /* Map 16-bit characters to '\uxxxx' */ |
| 1242 | if (ch >= 256 || ch == '\\' || ch == '\n') { |
| 1243 | *p++ = '\\'; |
| 1244 | *p++ = 'u'; |
| 1245 | *p++ = hexdigit[(ch >> 12) & 0xf]; |
| 1246 | *p++ = hexdigit[(ch >> 8) & 0xf]; |
| 1247 | *p++ = hexdigit[(ch >> 4) & 0xf]; |
| 1248 | *p++ = hexdigit[ch & 15]; |
| 1249 | } |
| 1250 | /* Copy everything else as-is */ |
| 1251 | else |
| 1252 | *p++ = (char) ch; |
| 1253 | } |
| 1254 | *p = '\0'; |
| 1255 | if (_PyString_Resize(&repr, p - q)) |
| 1256 | goto onError; |
| 1257 | |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1258 | return repr; |
| 1259 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1260 | onError: |
| 1261 | Py_DECREF(repr); |
| 1262 | return NULL; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1263 | } |
| 1264 | |
| 1265 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1266 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1267 | save_unicode(Picklerobject *self, PyObject *args, int doput) |
| 1268 | { |
| 1269 | int size, len; |
| 1270 | PyObject *repr=0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1271 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1272 | if (!PyUnicode_Check(args)) |
| 1273 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1274 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1275 | if (!self->bin) { |
| 1276 | char *repr_str; |
| 1277 | static char string = UNICODE; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1278 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1279 | repr = modified_EncodeRawUnicodeEscape( |
| 1280 | PyUnicode_AS_UNICODE(args), PyUnicode_GET_SIZE(args)); |
| 1281 | if (!repr) |
| 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 ((len = PyString_Size(repr)) < 0) |
| 1285 | goto err; |
| 1286 | repr_str = PyString_AS_STRING((PyStringObject *)repr); |
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 | if ((*self->write_func)(self, &string, 1) < 0) |
| 1289 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1290 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1291 | if ((*self->write_func)(self, repr_str, len) < 0) |
| 1292 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1293 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1294 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1295 | goto err; |
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 | Py_XDECREF(repr); |
| 1298 | } |
| 1299 | else { |
| 1300 | int i; |
| 1301 | char c_str[5]; |
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 (!( repr = PyUnicode_AsUTF8String(args))) |
| 1304 | return -1; |
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 | if ((size = PyString_Size(repr)) < 0) |
| 1307 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1308 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1309 | c_str[0] = BINUNICODE; |
| 1310 | for (i = 1; i < 5; i++) |
| 1311 | c_str[i] = (int)(size >> ((i - 1) * 8)); |
| 1312 | len = 5; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1313 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1314 | if ((*self->write_func)(self, c_str, len) < 0) |
| 1315 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1316 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1317 | if (size > 128 && Pdata_Check(self->file)) { |
| 1318 | if (write_other(self, NULL, 0) < 0) |
| 1319 | goto err; |
| 1320 | PDATA_APPEND(self->file, repr, -1); |
| 1321 | } |
| 1322 | else { |
| 1323 | if ((*self->write_func)(self, PyString_AS_STRING(repr), |
| 1324 | size) < 0) |
| 1325 | goto err; |
| 1326 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1327 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1328 | Py_DECREF(repr); |
| 1329 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1330 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1331 | if (doput) |
| 1332 | if (put(self, args) < 0) |
| 1333 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1334 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1335 | return 0; |
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 | err: |
| 1338 | Py_XDECREF(repr); |
| 1339 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1340 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1341 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1342 | |
| 1343 | |
| 1344 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1345 | save_tuple(Picklerobject *self, PyObject *args) |
| 1346 | { |
| 1347 | PyObject *element = 0, *py_tuple_id = 0; |
| 1348 | int len, i, res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1349 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1350 | static char tuple = TUPLE; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1351 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1352 | if ((*self->write_func)(self, &MARKv, 1) < 0) |
| 1353 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1354 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1355 | if ((len = PyTuple_Size(args)) < 0) |
| 1356 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1357 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1358 | for (i = 0; i < len; i++) { |
| 1359 | if (!( element = PyTuple_GET_ITEM((PyTupleObject *)args, i))) |
| 1360 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1361 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1362 | if (save(self, element, 0) < 0) |
| 1363 | goto finally; |
| 1364 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1365 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1366 | if (!( py_tuple_id = PyLong_FromVoidPtr(args))) |
| 1367 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1368 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1369 | if (len) { |
| 1370 | if (PyDict_GetItem(self->memo, py_tuple_id)) { |
| 1371 | if (self->bin) { |
| 1372 | static char pop_mark = POP_MARK; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1373 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1374 | if ((*self->write_func)(self, &pop_mark, 1) < 0) |
| 1375 | goto finally; |
| 1376 | } |
| 1377 | else { |
| 1378 | static char pop = POP; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1379 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1380 | for (i = 0; i <= len; i++) { |
| 1381 | if ((*self->write_func)(self, &pop, 1) < 0) |
| 1382 | goto finally; |
| 1383 | } |
| 1384 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1385 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1386 | if (get(self, py_tuple_id) < 0) |
| 1387 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1388 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1389 | res = 0; |
| 1390 | goto finally; |
| 1391 | } |
| 1392 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1393 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1394 | if ((*self->write_func)(self, &tuple, 1) < 0) { |
| 1395 | goto finally; |
| 1396 | } |
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 | if (put(self, args) < 0) |
| 1399 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1400 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1401 | res = 0; |
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 | finally: |
| 1404 | Py_XDECREF(py_tuple_id); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1405 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1406 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1407 | } |
| 1408 | |
| 1409 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1410 | save_empty_tuple(Picklerobject *self, PyObject *args) |
| 1411 | { |
| 1412 | static char tuple = EMPTY_TUPLE; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1413 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1414 | return (*self->write_func)(self, &tuple, 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1415 | } |
| 1416 | |
| 1417 | |
| 1418 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1419 | save_list(Picklerobject *self, PyObject *args) |
| 1420 | { |
| 1421 | PyObject *element = 0; |
| 1422 | int s_len, len, i, using_appends, res = -1; |
| 1423 | char s[3]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1424 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1425 | static char append = APPEND, appends = APPENDS; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1426 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1427 | if (self->fast && !fast_save_enter(self, args)) |
| 1428 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1429 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1430 | if (self->bin) { |
| 1431 | s[0] = EMPTY_LIST; |
| 1432 | s_len = 1; |
| 1433 | } |
| 1434 | else { |
| 1435 | s[0] = MARK; |
| 1436 | s[1] = LIST; |
| 1437 | s_len = 2; |
| 1438 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1439 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1440 | if ((len = PyList_Size(args)) < 0) |
| 1441 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1442 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1443 | if ((*self->write_func)(self, s, s_len) < 0) |
| 1444 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1445 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1446 | if (len == 0) { |
| 1447 | if (put(self, args) < 0) |
| 1448 | goto finally; |
| 1449 | } |
| 1450 | else { |
| 1451 | if (put2(self, args) < 0) |
| 1452 | goto finally; |
| 1453 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1454 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1455 | if ((using_appends = (self->bin && (len > 1)))) |
| 1456 | if ((*self->write_func)(self, &MARKv, 1) < 0) |
| 1457 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1458 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1459 | for (i = 0; i < len; i++) { |
| 1460 | if (!( element = PyList_GET_ITEM((PyListObject *)args, i))) |
| 1461 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1462 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1463 | if (save(self, element, 0) < 0) |
| 1464 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1465 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1466 | if (!using_appends) { |
| 1467 | if ((*self->write_func)(self, &append, 1) < 0) |
| 1468 | goto finally; |
| 1469 | } |
| 1470 | } |
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 (using_appends) { |
| 1473 | if ((*self->write_func)(self, &appends, 1) < 0) |
| 1474 | goto finally; |
| 1475 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1476 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1477 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1478 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1479 | finally: |
| 1480 | if (self->fast && !fast_save_leave(self, args)) |
| 1481 | res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1482 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1483 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1484 | } |
| 1485 | |
| 1486 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1487 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1488 | save_dict(Picklerobject *self, PyObject *args) |
| 1489 | { |
| 1490 | PyObject *key = 0, *value = 0; |
| 1491 | int i, len, res = -1, using_setitems; |
| 1492 | char s[3]; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1493 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1494 | static char setitem = SETITEM, setitems = SETITEMS; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1495 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1496 | if (self->fast && !fast_save_enter(self, args)) |
| 1497 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1498 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1499 | if (self->bin) { |
| 1500 | s[0] = EMPTY_DICT; |
| 1501 | len = 1; |
| 1502 | } |
| 1503 | else { |
| 1504 | s[0] = MARK; |
| 1505 | s[1] = DICT; |
| 1506 | len = 2; |
| 1507 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1508 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1509 | if ((*self->write_func)(self, s, len) < 0) |
| 1510 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1511 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1512 | if ((len = PyDict_Size(args)) < 0) |
| 1513 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1514 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1515 | if (len == 0) { |
| 1516 | if (put(self, args) < 0) |
| 1517 | goto finally; |
| 1518 | } |
| 1519 | else { |
| 1520 | if (put2(self, args) < 0) |
| 1521 | goto finally; |
| 1522 | } |
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 ((using_setitems = (self->bin && (PyDict_Size(args) > 1)))) |
| 1525 | if ((*self->write_func)(self, &MARKv, 1) < 0) |
| 1526 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1527 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1528 | i = 0; |
| 1529 | while (PyDict_Next(args, &i, &key, &value)) { |
| 1530 | if (save(self, key, 0) < 0) |
| 1531 | goto finally; |
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 (save(self, value, 0) < 0) |
| 1534 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1535 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1536 | if (!using_setitems) { |
| 1537 | if ((*self->write_func)(self, &setitem, 1) < 0) |
| 1538 | goto finally; |
| 1539 | } |
| 1540 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1541 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1542 | if (using_setitems) { |
| 1543 | if ((*self->write_func)(self, &setitems, 1) < 0) |
| 1544 | goto finally; |
| 1545 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1546 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1547 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1548 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1549 | finally: |
| 1550 | if (self->fast && !fast_save_leave(self, args)) |
| 1551 | res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1552 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1553 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1554 | } |
| 1555 | |
| 1556 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1557 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1558 | save_inst(Picklerobject *self, PyObject *args) |
| 1559 | { |
| 1560 | PyObject *class = 0, *module = 0, *name = 0, *state = 0, |
| 1561 | *getinitargs_func = 0, *getstate_func = 0, *class_args = 0; |
| 1562 | char *module_str, *name_str; |
| 1563 | int module_size, name_size, res = -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1564 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1565 | static char inst = INST, obj = OBJ, build = BUILD; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1566 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1567 | if (self->fast && !fast_save_enter(self, args)) |
| 1568 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1569 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1570 | if ((*self->write_func)(self, &MARKv, 1) < 0) |
| 1571 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1572 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1573 | if (!( class = PyObject_GetAttr(args, __class___str))) |
| 1574 | goto finally; |
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->bin) { |
| 1577 | if (save(self, class, 0) < 0) |
| 1578 | goto finally; |
| 1579 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1580 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1581 | if ((getinitargs_func = PyObject_GetAttr(args, __getinitargs___str))) { |
| 1582 | PyObject *element = 0; |
| 1583 | int i, len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1584 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1585 | if (!( class_args = |
| 1586 | PyObject_Call(getinitargs_func, empty_tuple, NULL))) |
| 1587 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1588 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1589 | if ((len = PyObject_Size(class_args)) < 0) |
| 1590 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1591 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1592 | for (i = 0; i < len; i++) { |
| 1593 | if (!( element = PySequence_GetItem(class_args, i))) |
| 1594 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1595 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1596 | if (save(self, element, 0) < 0) { |
| 1597 | Py_DECREF(element); |
| 1598 | goto finally; |
| 1599 | } |
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 | Py_DECREF(element); |
| 1602 | } |
| 1603 | } |
| 1604 | else { |
| 1605 | PyErr_Clear(); |
| 1606 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1607 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1608 | if (!self->bin) { |
| 1609 | if (!( name = ((PyClassObject *)class)->cl_name )) { |
| 1610 | PyErr_SetString(PicklingError, "class has no name"); |
| 1611 | goto finally; |
| 1612 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1613 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1614 | if (!( module = whichmodule(class, name))) |
| 1615 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1616 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1617 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1618 | if ((module_size = PyString_Size(module)) < 0 || |
| 1619 | (name_size = PyString_Size(name)) < 0) |
| 1620 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1621 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1622 | module_str = PyString_AS_STRING((PyStringObject *)module); |
| 1623 | name_str = PyString_AS_STRING((PyStringObject *)name); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1624 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1625 | if ((*self->write_func)(self, &inst, 1) < 0) |
| 1626 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1627 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1628 | if ((*self->write_func)(self, module_str, module_size) < 0) |
| 1629 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1630 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1631 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1632 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1633 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1634 | if ((*self->write_func)(self, name_str, name_size) < 0) |
| 1635 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1636 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1637 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1638 | goto finally; |
| 1639 | } |
| 1640 | else if ((*self->write_func)(self, &obj, 1) < 0) { |
| 1641 | goto finally; |
| 1642 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1643 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1644 | if ((getstate_func = PyObject_GetAttr(args, __getstate___str))) { |
| 1645 | state = PyObject_Call(getstate_func, empty_tuple, NULL); |
| 1646 | if (!state) |
| 1647 | goto finally; |
| 1648 | } |
| 1649 | else { |
| 1650 | PyErr_Clear(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1651 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1652 | if (!( state = PyObject_GetAttr(args, __dict___str))) { |
| 1653 | PyErr_Clear(); |
| 1654 | res = 0; |
| 1655 | goto finally; |
| 1656 | } |
| 1657 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1658 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1659 | if (!PyDict_Check(state)) { |
| 1660 | if (put2(self, args) < 0) |
| 1661 | goto finally; |
| 1662 | } |
| 1663 | else { |
| 1664 | if (put(self, args) < 0) |
| 1665 | goto finally; |
| 1666 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1667 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1668 | if (save(self, state, 0) < 0) |
| 1669 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1670 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1671 | if ((*self->write_func)(self, &build, 1) < 0) |
| 1672 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1673 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1674 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1675 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1676 | finally: |
| 1677 | if (self->fast && !fast_save_leave(self, args)) |
| 1678 | res = -1; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1679 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1680 | Py_XDECREF(module); |
| 1681 | Py_XDECREF(class); |
| 1682 | Py_XDECREF(state); |
| 1683 | Py_XDECREF(getinitargs_func); |
| 1684 | Py_XDECREF(getstate_func); |
| 1685 | Py_XDECREF(class_args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1686 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1687 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1688 | } |
| 1689 | |
| 1690 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1691 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1692 | save_global(Picklerobject *self, PyObject *args, PyObject *name) |
| 1693 | { |
| 1694 | PyObject *global_name = 0, *module = 0, *mod = 0, *moddict = 0, *klass = 0; |
| 1695 | char *name_str, *module_str; |
| 1696 | int module_size, name_size, res = -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1697 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1698 | static char global = GLOBAL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1699 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1700 | if (name) { |
| 1701 | global_name = name; |
| 1702 | Py_INCREF(global_name); |
| 1703 | } |
| 1704 | else { |
| 1705 | if (!( global_name = PyObject_GetAttr(args, __name___str))) |
| 1706 | goto finally; |
| 1707 | } |
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 (!( module = whichmodule(args, global_name))) |
| 1710 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1711 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1712 | if ((module_size = PyString_Size(module)) < 0 || |
| 1713 | (name_size = PyString_Size(global_name)) < 0) |
| 1714 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1715 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1716 | module_str = PyString_AS_STRING((PyStringObject *)module); |
| 1717 | name_str = PyString_AS_STRING((PyStringObject *)global_name); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1718 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1719 | mod = PyImport_ImportModule(module_str); |
| 1720 | if (mod == NULL) { |
| 1721 | /* Py_ErrClear(); ?? */ |
| 1722 | cPickle_ErrFormat(PicklingError, |
| 1723 | "Can't pickle %s: it's not found as %s.%s", |
| 1724 | "OSS", args, module, global_name); |
| 1725 | goto finally; |
| 1726 | } |
| 1727 | /* borrowed ref */ |
| 1728 | moddict = PyModule_GetDict(mod); |
| 1729 | /* borrowed ref */ |
| 1730 | klass = PyDict_GetItemString(moddict, name_str); |
| 1731 | if (klass == NULL) { |
| 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 | } |
| 1737 | if (klass != args) { |
| 1738 | cPickle_ErrFormat(PicklingError, |
| 1739 | "Can't pickle %s: it's not the same object as %s.%s", |
| 1740 | "OSS", args, module, global_name); |
| 1741 | goto finally; |
| 1742 | } |
Guido van Rossum | a92d16a | 2001-08-18 21:22:07 +0000 | [diff] [blame] | 1743 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1744 | if ((*self->write_func)(self, &global, 1) < 0) |
| 1745 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1746 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1747 | if ((*self->write_func)(self, module_str, module_size) < 0) |
| 1748 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1749 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1750 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1751 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1752 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1753 | if ((*self->write_func)(self, name_str, name_size) < 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, "\n", 1) < 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 (put(self, args) < 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 | res = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1763 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1764 | finally: |
| 1765 | Py_XDECREF(module); |
| 1766 | Py_XDECREF(global_name); |
| 1767 | Py_XDECREF(mod); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1768 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1769 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1770 | } |
| 1771 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1772 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1773 | save_pers(Picklerobject *self, PyObject *args, PyObject *f) |
| 1774 | { |
| 1775 | PyObject *pid = 0; |
| 1776 | int size, res = -1; |
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 | static char persid = PERSID, binpersid = BINPERSID; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1779 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1780 | Py_INCREF(args); |
| 1781 | ARG_TUP(self, args); |
| 1782 | if (self->arg) { |
| 1783 | pid = PyObject_Call(f, self->arg, NULL); |
| 1784 | FREE_ARG_TUP(self); |
| 1785 | } |
| 1786 | if (! pid) return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1787 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1788 | if (pid != Py_None) { |
| 1789 | if (!self->bin) { |
| 1790 | if (!PyString_Check(pid)) { |
| 1791 | PyErr_SetString(PicklingError, |
| 1792 | "persistent id must be string"); |
| 1793 | goto finally; |
| 1794 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1795 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1796 | if ((*self->write_func)(self, &persid, 1) < 0) |
| 1797 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1798 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1799 | if ((size = PyString_Size(pid)) < 0) |
| 1800 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1801 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1802 | if ((*self->write_func)(self, |
| 1803 | PyString_AS_STRING((PyStringObject *)pid), size) < 0) |
| 1804 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1805 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1806 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1807 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1808 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1809 | res = 1; |
| 1810 | goto finally; |
| 1811 | } |
| 1812 | else if (save(self, pid, 1) >= 0) { |
| 1813 | if ((*self->write_func)(self, &binpersid, 1) < 0) |
| 1814 | res = -1; |
| 1815 | else |
| 1816 | res = 1; |
| 1817 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1818 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1819 | goto finally; |
| 1820 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1821 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1822 | res = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1823 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1824 | finally: |
| 1825 | Py_XDECREF(pid); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1826 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1827 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1828 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1829 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1830 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1831 | static int |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1832 | save_reduce(Picklerobject *self, PyObject *callable, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1833 | PyObject *tup, PyObject *state, PyObject *ob) |
| 1834 | { |
| 1835 | static char reduce = REDUCE, build = BUILD; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1836 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1837 | if (save(self, callable, 0) < 0) |
| 1838 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1839 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1840 | if (save(self, tup, 0) < 0) |
| 1841 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1842 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1843 | if ((*self->write_func)(self, &reduce, 1) < 0) |
| 1844 | return -1; |
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 (ob != NULL) { |
| 1847 | if (state && !PyDict_Check(state)) { |
| 1848 | if (put2(self, ob) < 0) |
| 1849 | return -1; |
| 1850 | } |
| 1851 | else { |
| 1852 | if (put(self, ob) < 0) |
| 1853 | return -1; |
| 1854 | } |
| 1855 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1856 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1857 | if (state) { |
| 1858 | if (save(self, state, 0) < 0) |
| 1859 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1860 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1861 | if ((*self->write_func)(self, &build, 1) < 0) |
| 1862 | return -1; |
| 1863 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1864 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1865 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1866 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1867 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1868 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1869 | save(Picklerobject *self, PyObject *args, int pers_save) |
| 1870 | { |
| 1871 | PyTypeObject *type; |
| 1872 | PyObject *py_ob_id = 0, *__reduce__ = 0, *t = 0, *arg_tup = 0, |
| 1873 | *callable = 0, *state = 0; |
| 1874 | int res = -1, tmp, size; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1875 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1876 | if (!pers_save && self->pers_func) { |
| 1877 | if ((tmp = save_pers(self, args, self->pers_func)) != 0) { |
| 1878 | res = tmp; |
| 1879 | goto finally; |
| 1880 | } |
| 1881 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1882 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1883 | if (args == Py_None) { |
| 1884 | res = save_none(self, args); |
| 1885 | goto finally; |
| 1886 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1887 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1888 | type = args->ob_type; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1889 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1890 | switch (type->tp_name[0]) { |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 1891 | case 'b': |
| 1892 | if (args == Py_False || args == Py_True) { |
| 1893 | res = save_bool(self, args); |
| 1894 | goto finally; |
| 1895 | } |
| 1896 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1897 | case 'i': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1898 | if (type == &PyInt_Type) { |
| 1899 | res = save_int(self, args); |
| 1900 | goto finally; |
| 1901 | } |
| 1902 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1903 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1904 | case 'l': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1905 | if (type == &PyLong_Type) { |
| 1906 | res = save_long(self, args); |
| 1907 | goto finally; |
| 1908 | } |
| 1909 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1910 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1911 | case 'f': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1912 | if (type == &PyFloat_Type) { |
| 1913 | res = save_float(self, args); |
| 1914 | goto finally; |
| 1915 | } |
| 1916 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1917 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1918 | case 't': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1919 | if (type == &PyTuple_Type && PyTuple_Size(args)==0) { |
| 1920 | if (self->bin) res = save_empty_tuple(self, args); |
| 1921 | else res = save_tuple(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 's': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1927 | if ((type == &PyString_Type) && (PyString_GET_SIZE(args) < 2)) { |
| 1928 | res = save_string(self, args, 0); |
| 1929 | goto finally; |
| 1930 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1931 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1932 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1933 | case 'u': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1934 | if ((type == &PyUnicode_Type) && (PyString_GET_SIZE(args) < 2)) { |
| 1935 | res = save_unicode(self, args, 0); |
| 1936 | goto finally; |
| 1937 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1938 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1939 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1940 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1941 | if (args->ob_refcnt > 1) { |
| 1942 | if (!( py_ob_id = PyLong_FromVoidPtr(args))) |
| 1943 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1944 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1945 | if (PyDict_GetItem(self->memo, py_ob_id)) { |
| 1946 | if (get(self, py_ob_id) < 0) |
| 1947 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1948 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1949 | res = 0; |
| 1950 | goto finally; |
| 1951 | } |
| 1952 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1953 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1954 | switch (type->tp_name[0]) { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1955 | case 's': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1956 | if (type == &PyString_Type) { |
| 1957 | res = save_string(self, args, 1); |
| 1958 | goto finally; |
| 1959 | } |
| 1960 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1961 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1962 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1963 | case 'u': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1964 | if (type == &PyUnicode_Type) { |
| 1965 | res = save_unicode(self, args, 1); |
| 1966 | goto finally; |
| 1967 | } |
| 1968 | break; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1969 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1970 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1971 | case 't': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1972 | if (type == &PyTuple_Type) { |
| 1973 | res = save_tuple(self, args); |
| 1974 | goto finally; |
| 1975 | } |
| 1976 | if (type == &PyType_Type) { |
| 1977 | res = save_global(self, args, NULL); |
| 1978 | goto finally; |
| 1979 | } |
| 1980 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1981 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1982 | case 'l': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1983 | if (type == &PyList_Type) { |
| 1984 | res = save_list(self, args); |
| 1985 | goto finally; |
| 1986 | } |
| 1987 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1988 | |
| 1989 | case 'd': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1990 | if (type == &PyDict_Type) { |
| 1991 | res = save_dict(self, args); |
| 1992 | goto finally; |
| 1993 | } |
| 1994 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1995 | |
| 1996 | case 'i': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1997 | if (type == &PyInstance_Type) { |
| 1998 | res = save_inst(self, args); |
| 1999 | goto finally; |
| 2000 | } |
| 2001 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2002 | |
| 2003 | case 'c': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2004 | if (type == &PyClass_Type) { |
| 2005 | res = save_global(self, args, NULL); |
| 2006 | goto finally; |
| 2007 | } |
| 2008 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2009 | |
| 2010 | case 'f': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2011 | if (type == &PyFunction_Type) { |
| 2012 | res = save_global(self, args, NULL); |
| 2013 | goto finally; |
| 2014 | } |
| 2015 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2016 | |
| 2017 | case 'b': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2018 | if (type == &PyCFunction_Type) { |
| 2019 | res = save_global(self, args, NULL); |
| 2020 | goto finally; |
| 2021 | } |
| 2022 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2023 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2024 | if (PyType_IsSubtype(type, &PyType_Type)) { |
| 2025 | res = save_global(self, args, NULL); |
| 2026 | goto finally; |
| 2027 | } |
Guido van Rossum | 950dce6 | 2001-12-19 16:56:54 +0000 | [diff] [blame] | 2028 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2029 | if (!pers_save && self->inst_pers_func) { |
| 2030 | if ((tmp = save_pers(self, args, self->inst_pers_func)) != 0) { |
| 2031 | res = tmp; |
| 2032 | goto finally; |
| 2033 | } |
| 2034 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2035 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2036 | if ((__reduce__ = PyDict_GetItem(dispatch_table, (PyObject *)type))) { |
| 2037 | Py_INCREF(__reduce__); |
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 | Py_INCREF(args); |
| 2040 | ARG_TUP(self, args); |
| 2041 | if (self->arg) { |
| 2042 | t = PyObject_Call(__reduce__, self->arg, NULL); |
| 2043 | FREE_ARG_TUP(self); |
| 2044 | } |
| 2045 | if (! t) goto finally; |
| 2046 | } |
| 2047 | else { |
| 2048 | PyErr_Clear(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2049 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2050 | if ((__reduce__ = PyObject_GetAttr(args, __reduce___str))) { |
| 2051 | t = PyObject_Call(__reduce__, empty_tuple, NULL); |
| 2052 | if (!t) |
| 2053 | goto finally; |
| 2054 | } |
| 2055 | else { |
| 2056 | PyErr_Clear(); |
| 2057 | } |
| 2058 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2059 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2060 | if (t) { |
| 2061 | if (PyString_Check(t)) { |
| 2062 | res = save_global(self, args, t); |
| 2063 | goto finally; |
| 2064 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2065 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2066 | if (!PyTuple_Check(t)) { |
| 2067 | cPickle_ErrFormat(PicklingError, "Value returned by %s must " |
| 2068 | "be a tuple", "O", __reduce__); |
| 2069 | goto finally; |
| 2070 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2071 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2072 | size = PyTuple_Size(t); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2073 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2074 | if ((size != 3) && (size != 2)) { |
| 2075 | cPickle_ErrFormat(PicklingError, "tuple returned by %s must " |
| 2076 | "contain only two or three elements", "O", __reduce__); |
| 2077 | goto finally; |
| 2078 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2079 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2080 | callable = PyTuple_GET_ITEM(t, 0); |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 2081 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2082 | arg_tup = PyTuple_GET_ITEM(t, 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2083 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2084 | if (size > 2) { |
| 2085 | state = PyTuple_GET_ITEM(t, 2); |
| 2086 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2087 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2088 | if (!( PyTuple_Check(arg_tup) || arg_tup==Py_None )) { |
| 2089 | cPickle_ErrFormat(PicklingError, "Second element of tuple " |
| 2090 | "returned by %s must be a tuple", "O", __reduce__); |
| 2091 | goto finally; |
| 2092 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2093 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2094 | res = save_reduce(self, callable, arg_tup, state, args); |
| 2095 | goto finally; |
| 2096 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2097 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2098 | PyErr_SetObject(UnpickleableError, args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2099 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2100 | finally: |
| 2101 | Py_XDECREF(py_ob_id); |
| 2102 | Py_XDECREF(__reduce__); |
| 2103 | Py_XDECREF(t); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2104 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2105 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2106 | } |
| 2107 | |
| 2108 | |
| 2109 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2110 | dump(Picklerobject *self, PyObject *args) |
| 2111 | { |
| 2112 | static char stop = STOP; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2113 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2114 | if (save(self, args, 0) < 0) |
| 2115 | return -1; |
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 | if ((*self->write_func)(self, &stop, 1) < 0) |
| 2118 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2119 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2120 | if ((*self->write_func)(self, NULL, 0) < 0) |
| 2121 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2122 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2123 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2124 | } |
| 2125 | |
| 2126 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2127 | Pickle_clear_memo(Picklerobject *self, PyObject *args) |
| 2128 | { |
| 2129 | if (!PyArg_ParseTuple(args,":clear_memo")) |
| 2130 | return NULL; |
| 2131 | if (self->memo) |
| 2132 | PyDict_Clear(self->memo); |
| 2133 | Py_INCREF(Py_None); |
| 2134 | return Py_None; |
| 2135 | } |
| 2136 | |
| 2137 | static PyObject * |
| 2138 | Pickle_getvalue(Picklerobject *self, PyObject *args) |
| 2139 | { |
| 2140 | int l, i, rsize, ssize, clear=1, lm; |
| 2141 | long ik; |
| 2142 | PyObject *k, *r; |
| 2143 | char *s, *p, *have_get; |
| 2144 | Pdata *data; |
| 2145 | |
| 2146 | /* Can be called by Python code or C code */ |
| 2147 | if (args && !PyArg_ParseTuple(args, "|i:getvalue", &clear)) |
| 2148 | return NULL; |
| 2149 | |
| 2150 | /* Check to make sure we are based on a list */ |
| 2151 | if (! Pdata_Check(self->file)) { |
| 2152 | PyErr_SetString(PicklingError, |
| 2153 | "Attempt to getvalue() a non-list-based pickler"); |
| 2154 | return NULL; |
| 2155 | } |
| 2156 | |
| 2157 | /* flush write buffer */ |
| 2158 | if (write_other(self, NULL, 0) < 0) return NULL; |
| 2159 | |
| 2160 | data=(Pdata*)self->file; |
| 2161 | l=data->length; |
| 2162 | |
| 2163 | /* set up an array to hold get/put status */ |
| 2164 | if ((lm=PyDict_Size(self->memo)) < 0) return NULL; |
| 2165 | lm++; |
| 2166 | if (! (have_get=malloc((lm)*sizeof(char)))) return PyErr_NoMemory(); |
| 2167 | memset(have_get,0,lm); |
| 2168 | |
| 2169 | /* Scan for gets. */ |
| 2170 | for (rsize=0, i=l; --i >= 0; ) { |
| 2171 | k=data->data[i]; |
| 2172 | |
| 2173 | if (PyString_Check(k)) { |
| 2174 | rsize += PyString_GET_SIZE(k); |
| 2175 | } |
| 2176 | |
| 2177 | else if (PyInt_Check(k)) { /* put */ |
| 2178 | ik=PyInt_AS_LONG((PyIntObject*)k); |
| 2179 | if (ik >= lm || ik==0) { |
| 2180 | PyErr_SetString(PicklingError, |
| 2181 | "Invalid get data"); |
| 2182 | return NULL; |
| 2183 | } |
| 2184 | if (have_get[ik]) { /* with matching get */ |
| 2185 | if (ik < 256) rsize += 2; |
| 2186 | else rsize+=5; |
| 2187 | } |
| 2188 | } |
| 2189 | |
| 2190 | else if (! (PyTuple_Check(k) && |
| 2191 | PyTuple_GET_SIZE(k) == 2 && |
| 2192 | PyInt_Check((k=PyTuple_GET_ITEM(k,0)))) |
| 2193 | ) { |
| 2194 | PyErr_SetString(PicklingError, |
| 2195 | "Unexpected data in internal list"); |
| 2196 | return NULL; |
| 2197 | } |
| 2198 | |
| 2199 | else { /* put */ |
| 2200 | ik=PyInt_AS_LONG((PyIntObject*)k); |
| 2201 | if (ik >= lm || ik==0) { |
| 2202 | PyErr_SetString(PicklingError, |
| 2203 | "Invalid get data"); |
| 2204 | return NULL; |
| 2205 | } |
| 2206 | have_get[ik]=1; |
| 2207 | if (ik < 256) rsize += 2; |
| 2208 | else rsize+=5; |
| 2209 | } |
| 2210 | |
| 2211 | } |
| 2212 | |
| 2213 | /* Now generate the result */ |
| 2214 | if (!( r=PyString_FromStringAndSize(NULL,rsize))) goto err; |
| 2215 | s=PyString_AS_STRING((PyStringObject*)r); |
| 2216 | |
| 2217 | for (i=0; i<l; i++) { |
| 2218 | k=data->data[i]; |
| 2219 | |
| 2220 | if (PyString_Check(k)) { |
| 2221 | ssize=PyString_GET_SIZE(k); |
| 2222 | if (ssize) { |
| 2223 | p=PyString_AS_STRING((PyStringObject*)k); |
| 2224 | while (--ssize >= 0) *s++=*p++; |
| 2225 | } |
| 2226 | } |
| 2227 | |
| 2228 | else if (PyTuple_Check(k)) { /* get */ |
| 2229 | ik=PyInt_AS_LONG((PyIntObject*)PyTuple_GET_ITEM(k,0)); |
| 2230 | if (ik < 256) { |
| 2231 | *s++ = BINGET; |
| 2232 | *s++ = (int)(ik & 0xff); |
| 2233 | } |
| 2234 | else { |
| 2235 | *s++ = LONG_BINGET; |
| 2236 | *s++ = (int)(ik & 0xff); |
| 2237 | *s++ = (int)((ik >> 8) & 0xff); |
| 2238 | *s++ = (int)((ik >> 16) & 0xff); |
| 2239 | *s++ = (int)((ik >> 24) & 0xff); |
| 2240 | } |
| 2241 | } |
| 2242 | |
| 2243 | else { /* put */ |
| 2244 | ik=PyInt_AS_LONG((PyIntObject*)k); |
| 2245 | |
| 2246 | if (have_get[ik]) { /* with matching get */ |
| 2247 | if (ik < 256) { |
| 2248 | *s++ = BINPUT; |
| 2249 | *s++ = (int)(ik & 0xff); |
| 2250 | } |
| 2251 | else { |
| 2252 | *s++ = LONG_BINPUT; |
| 2253 | *s++ = (int)(ik & 0xff); |
| 2254 | *s++ = (int)((ik >> 8) & 0xff); |
| 2255 | *s++ = (int)((ik >> 16) & 0xff); |
| 2256 | *s++ = (int)((ik >> 24) & 0xff); |
| 2257 | } |
| 2258 | } |
| 2259 | } |
| 2260 | |
| 2261 | } |
| 2262 | |
| 2263 | if (clear) { |
| 2264 | PyDict_Clear(self->memo); |
| 2265 | Pdata_clear(data,0); |
| 2266 | } |
| 2267 | |
| 2268 | free(have_get); |
| 2269 | return r; |
| 2270 | err: |
| 2271 | free(have_get); |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2272 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2273 | } |
| 2274 | |
| 2275 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2276 | Pickler_dump(Picklerobject *self, PyObject *args) |
| 2277 | { |
| 2278 | PyObject *ob; |
| 2279 | int get=0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2280 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2281 | if (!( PyArg_ParseTuple(args, "O|i:dump", &ob, &get))) |
| 2282 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2283 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2284 | if (dump(self, ob) < 0) |
| 2285 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2286 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2287 | if (get) return Pickle_getvalue(self, NULL); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2288 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2289 | /* XXX Why does dump() return self? */ |
| 2290 | Py_INCREF(self); |
| 2291 | return (PyObject*)self; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2292 | } |
| 2293 | |
| 2294 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2295 | static struct PyMethodDef Pickler_methods[] = |
| 2296 | { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 2297 | {"dump", (PyCFunction)Pickler_dump, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2298 | "dump(object) --" |
| 2299 | "Write an object in pickle format to the object's pickle stream\n" |
| 2300 | }, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 2301 | {"clear_memo", (PyCFunction)Pickle_clear_memo, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2302 | "clear_memo() -- Clear the picklers memo"}, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 2303 | {"getvalue", (PyCFunction)Pickle_getvalue, METH_VARARGS, |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2304 | "getvalue() -- Finish picking a list-based pickle"}, |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2305 | {NULL, NULL} /* sentinel */ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2306 | }; |
| 2307 | |
| 2308 | |
| 2309 | static Picklerobject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2310 | newPicklerobject(PyObject *file, int bin) |
| 2311 | { |
| 2312 | Picklerobject *self; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2313 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2314 | if (!( self = PyObject_New(Picklerobject, &Picklertype))) |
| 2315 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2316 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2317 | self->fp = NULL; |
| 2318 | self->write = NULL; |
| 2319 | self->memo = NULL; |
| 2320 | self->arg = NULL; |
| 2321 | self->pers_func = NULL; |
| 2322 | self->inst_pers_func = NULL; |
| 2323 | self->write_buf = NULL; |
| 2324 | self->bin = bin; |
| 2325 | self->fast = 0; |
| 2326 | self->fast_container = 0; |
| 2327 | self->fast_memo = NULL; |
| 2328 | self->buf_size = 0; |
| 2329 | self->dispatch_table = NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2330 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2331 | if (file) |
| 2332 | Py_INCREF(file); |
| 2333 | else |
| 2334 | file=Pdata_New(); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2335 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2336 | if (!( self->file = file )) |
| 2337 | goto err; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2338 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2339 | if (!( self->memo = PyDict_New())) |
| 2340 | goto err; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2341 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2342 | if (PyFile_Check(file)) { |
| 2343 | self->fp = PyFile_AsFile(file); |
| 2344 | if (self->fp == NULL) { |
| 2345 | PyErr_SetString(PyExc_ValueError, "I/O operation on closed file"); |
| 2346 | goto err; |
| 2347 | } |
| 2348 | self->write_func = write_file; |
Guido van Rossum | c91fcaa | 1999-03-29 20:00:14 +0000 | [diff] [blame] | 2349 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2350 | else if (PycStringIO_OutputCheck(file)) { |
| 2351 | self->write_func = write_cStringIO; |
| 2352 | } |
| 2353 | else if (file == Py_None) { |
| 2354 | self->write_func = write_none; |
| 2355 | } |
| 2356 | else { |
| 2357 | self->write_func = write_other; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2358 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2359 | if (! Pdata_Check(file)) { |
| 2360 | self->write = PyObject_GetAttr(file, write_str); |
| 2361 | if (!self->write) { |
| 2362 | PyErr_Clear(); |
| 2363 | PyErr_SetString(PyExc_TypeError, |
| 2364 | "argument must have 'write' " |
| 2365 | "attribute"); |
| 2366 | goto err; |
| 2367 | } |
| 2368 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2369 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2370 | if (!( self->write_buf = |
| 2371 | (char *)malloc(WRITE_BUF_SIZE * sizeof(char)))) { |
| 2372 | PyErr_NoMemory(); |
| 2373 | goto err; |
| 2374 | } |
| 2375 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2376 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2377 | if (PyEval_GetRestricted()) { |
| 2378 | /* Restricted execution, get private tables */ |
| 2379 | PyObject *m; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2380 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2381 | if (!( m=PyImport_Import(copy_reg_str))) goto err; |
| 2382 | self->dispatch_table=PyObject_GetAttr(m, dispatch_table_str); |
| 2383 | Py_DECREF(m); |
| 2384 | if (!( self->dispatch_table )) goto err; |
| 2385 | } |
| 2386 | else { |
| 2387 | self->dispatch_table=dispatch_table; |
| 2388 | Py_INCREF(dispatch_table); |
| 2389 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2390 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2391 | return self; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2392 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2393 | err: |
| 2394 | Py_DECREF((PyObject *)self); |
| 2395 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2396 | } |
| 2397 | |
| 2398 | |
| 2399 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2400 | get_Pickler(PyObject *self, PyObject *args) |
| 2401 | { |
| 2402 | PyObject *file = NULL; |
| 2403 | int bin = 1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2404 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2405 | if (!PyArg_ParseTuple(args, "|i:Pickler", &bin)) { |
| 2406 | PyErr_Clear(); |
| 2407 | bin = 0; |
| 2408 | if (!PyArg_ParseTuple(args, "O|i:Pickler", &file, &bin)) |
| 2409 | return NULL; |
| 2410 | } |
| 2411 | return (PyObject *)newPicklerobject(file, bin); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2412 | } |
| 2413 | |
| 2414 | |
| 2415 | static void |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2416 | Pickler_dealloc(Picklerobject *self) |
| 2417 | { |
| 2418 | Py_XDECREF(self->write); |
| 2419 | Py_XDECREF(self->memo); |
| 2420 | Py_XDECREF(self->fast_memo); |
| 2421 | Py_XDECREF(self->arg); |
| 2422 | Py_XDECREF(self->file); |
| 2423 | Py_XDECREF(self->pers_func); |
| 2424 | Py_XDECREF(self->inst_pers_func); |
| 2425 | Py_XDECREF(self->dispatch_table); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2426 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2427 | if (self->write_buf) { |
| 2428 | free(self->write_buf); |
| 2429 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2430 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2431 | PyObject_Del(self); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2432 | } |
| 2433 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2434 | static PyObject * |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2435 | Pickler_get_pers_func(Picklerobject *p) |
| 2436 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2437 | if (p->pers_func == NULL) |
| 2438 | PyErr_SetString(PyExc_AttributeError, "persistent_id"); |
| 2439 | else |
| 2440 | Py_INCREF(p->pers_func); |
| 2441 | return p->pers_func; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2442 | } |
| 2443 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2444 | static int |
| 2445 | Pickler_set_pers_func(Picklerobject *p, PyObject *v) |
| 2446 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2447 | if (v == NULL) { |
| 2448 | PyErr_SetString(PyExc_TypeError, |
| 2449 | "attribute deletion is not supported"); |
| 2450 | return -1; |
| 2451 | } |
| 2452 | Py_XDECREF(p->pers_func); |
| 2453 | Py_INCREF(v); |
| 2454 | p->pers_func = v; |
| 2455 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2456 | } |
| 2457 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2458 | static int |
| 2459 | Pickler_set_inst_pers_func(Picklerobject *p, PyObject *v) |
| 2460 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2461 | if (v == NULL) { |
| 2462 | PyErr_SetString(PyExc_TypeError, |
| 2463 | "attribute deletion is not supported"); |
| 2464 | return -1; |
| 2465 | } |
| 2466 | Py_XDECREF(p->inst_pers_func); |
| 2467 | Py_INCREF(v); |
| 2468 | p->inst_pers_func = v; |
| 2469 | return 0; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2470 | } |
| 2471 | |
| 2472 | static PyObject * |
| 2473 | Pickler_get_memo(Picklerobject *p) |
| 2474 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2475 | if (p->memo == NULL) |
| 2476 | PyErr_SetString(PyExc_AttributeError, "memo"); |
| 2477 | else |
| 2478 | Py_INCREF(p->memo); |
| 2479 | return p->memo; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2480 | } |
| 2481 | |
| 2482 | static int |
| 2483 | Pickler_set_memo(Picklerobject *p, PyObject *v) |
| 2484 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2485 | if (v == NULL) { |
| 2486 | PyErr_SetString(PyExc_TypeError, |
| 2487 | "attribute deletion is not supported"); |
| 2488 | return -1; |
| 2489 | } |
| 2490 | if (!PyDict_Check(v)) { |
| 2491 | PyErr_SetString(PyExc_TypeError, "memo must be a dictionary"); |
| 2492 | return -1; |
| 2493 | } |
| 2494 | Py_XDECREF(p->memo); |
| 2495 | Py_INCREF(v); |
| 2496 | p->memo = v; |
| 2497 | return 0; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2498 | } |
| 2499 | |
| 2500 | static PyObject * |
| 2501 | Pickler_get_error(Picklerobject *p) |
| 2502 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2503 | /* why is this an attribute on the Pickler? */ |
| 2504 | Py_INCREF(PicklingError); |
| 2505 | return PicklingError; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2506 | } |
| 2507 | |
| 2508 | static PyMemberDef Pickler_members[] = { |
| 2509 | {"binary", T_INT, offsetof(Picklerobject, bin)}, |
| 2510 | {"fast", T_INT, offsetof(Picklerobject, fast)}, |
Jeremy Hylton | 3eb46f3 | 2001-10-16 17:10:49 +0000 | [diff] [blame] | 2511 | {NULL} |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2512 | }; |
| 2513 | |
| 2514 | static PyGetSetDef Pickler_getsets[] = { |
| 2515 | {"persistent_id", (getter)Pickler_get_pers_func, |
| 2516 | (setter)Pickler_set_pers_func}, |
| 2517 | {"inst_persistent_id", NULL, (setter)Pickler_set_inst_pers_func}, |
| 2518 | {"memo", (getter)Pickler_get_memo, (setter)Pickler_set_memo}, |
Jeremy Hylton | 3eb46f3 | 2001-10-16 17:10:49 +0000 | [diff] [blame] | 2519 | {"PicklingError", (getter)Pickler_get_error, NULL}, |
| 2520 | {NULL} |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2521 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2522 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2523 | static char Picklertype__doc__[] = |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2524 | "Objects that know how to pickle objects\n"; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2525 | |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 2526 | static PyTypeObject Picklertype = { |
| 2527 | PyObject_HEAD_INIT(NULL) |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2528 | 0, /*ob_size*/ |
Guido van Rossum | 1464839 | 2001-12-08 18:02:58 +0000 | [diff] [blame] | 2529 | "cPickle.Pickler", /*tp_name*/ |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2530 | sizeof(Picklerobject), /*tp_basicsize*/ |
| 2531 | 0, |
| 2532 | (destructor)Pickler_dealloc, /* tp_dealloc */ |
| 2533 | 0, /* tp_print */ |
| 2534 | 0, /* tp_getattr */ |
| 2535 | 0, /* tp_setattr */ |
| 2536 | 0, /* tp_compare */ |
| 2537 | 0, /* tp_repr */ |
| 2538 | 0, /* tp_as_number */ |
| 2539 | 0, /* tp_as_sequence */ |
| 2540 | 0, /* tp_as_mapping */ |
| 2541 | 0, /* tp_hash */ |
| 2542 | 0, /* tp_call */ |
| 2543 | 0, /* tp_str */ |
Michael W. Hudson | 03f96bd | 2001-11-09 10:06:23 +0000 | [diff] [blame] | 2544 | 0, /* set below */ /* tp_getattro */ |
| 2545 | 0, /* set below */ /* tp_setattro */ |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2546 | 0, /* tp_as_buffer */ |
| 2547 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */ |
| 2548 | Picklertype__doc__, /* tp_doc */ |
| 2549 | 0, /* tp_traverse */ |
| 2550 | 0, /* tp_clear */ |
| 2551 | 0, /* tp_richcompare */ |
| 2552 | 0, /* tp_weaklistoffset */ |
| 2553 | 0, /* tp_iter */ |
| 2554 | 0, /* tp_iternext */ |
| 2555 | Pickler_methods, /* tp_methods */ |
| 2556 | Pickler_members, /* tp_members */ |
| 2557 | Pickler_getsets, /* tp_getset */ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 2558 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2559 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2560 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2561 | find_class(PyObject *py_module_name, PyObject *py_global_name, PyObject *fc) |
| 2562 | { |
| 2563 | PyObject *global = 0, *module; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2564 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2565 | if (fc) { |
| 2566 | if (fc==Py_None) { |
| 2567 | PyErr_SetString(UnpicklingError, |
| 2568 | "Global and instance pickles are not supported."); |
| 2569 | return NULL; |
| 2570 | } |
| 2571 | return PyObject_CallFunction(fc, "OO", py_module_name, |
| 2572 | py_global_name); |
| 2573 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 2574 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2575 | module = PySys_GetObject("modules"); |
| 2576 | if (module == NULL) |
| 2577 | return NULL; |
Jeremy Hylton | d105523 | 1998-08-11 19:52:51 +0000 | [diff] [blame] | 2578 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2579 | module = PyDict_GetItem(module, py_module_name); |
| 2580 | if (module == NULL) { |
| 2581 | module = PyImport_Import(py_module_name); |
| 2582 | if (!module) |
| 2583 | return NULL; |
| 2584 | global = PyObject_GetAttr(module, py_global_name); |
| 2585 | Py_DECREF(module); |
| 2586 | } |
| 2587 | else |
| 2588 | global = PyObject_GetAttr(module, py_global_name); |
| 2589 | return global; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2590 | } |
| 2591 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2592 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2593 | marker(Unpicklerobject *self) |
| 2594 | { |
| 2595 | if (self->num_marks < 1) { |
| 2596 | PyErr_SetString(UnpicklingError, "could not find MARK"); |
| 2597 | return -1; |
| 2598 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2599 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2600 | return self->marks[--self->num_marks]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2601 | } |
| 2602 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2603 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2604 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2605 | load_none(Unpicklerobject *self) |
| 2606 | { |
| 2607 | PDATA_APPEND(self->stack, Py_None, -1); |
| 2608 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2609 | } |
| 2610 | |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 2611 | static int |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 2612 | load_false(Unpicklerobject *self) |
| 2613 | { |
| 2614 | PDATA_APPEND(self->stack, Py_False, -1); |
| 2615 | return 0; |
| 2616 | } |
| 2617 | |
| 2618 | static int |
| 2619 | load_true(Unpicklerobject *self) |
| 2620 | { |
| 2621 | PDATA_APPEND(self->stack, Py_True, -1); |
| 2622 | return 0; |
| 2623 | } |
| 2624 | |
| 2625 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2626 | bad_readline(void) |
| 2627 | { |
| 2628 | PyErr_SetString(UnpicklingError, "pickle data was truncated"); |
| 2629 | return -1; |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 2630 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2631 | |
| 2632 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2633 | load_int(Unpicklerobject *self) |
| 2634 | { |
| 2635 | PyObject *py_int = 0; |
| 2636 | char *endptr, *s; |
| 2637 | int len, res = -1; |
| 2638 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2639 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2640 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 2641 | if (len < 2) return bad_readline(); |
| 2642 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2643 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2644 | errno = 0; |
| 2645 | l = strtol(s, &endptr, 0); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2646 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2647 | if (errno || (*endptr != '\n') || (endptr[1] != '\0')) { |
| 2648 | /* Hm, maybe we've got something long. Let's try reading |
| 2649 | it as a Python long object. */ |
| 2650 | errno = 0; |
| 2651 | py_int = PyLong_FromString(s, NULL, 0); |
| 2652 | if (py_int == NULL) { |
| 2653 | PyErr_SetString(PyExc_ValueError, |
| 2654 | "could not convert string to int"); |
| 2655 | goto finally; |
| 2656 | } |
| 2657 | } |
| 2658 | else { |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 2659 | if (len == 3 && (l == 0 || l == 1)) { |
| 2660 | if (!( py_int = PyBool_FromLong(l))) goto finally; |
| 2661 | } |
| 2662 | else { |
| 2663 | if (!( py_int = PyInt_FromLong(l))) goto finally; |
| 2664 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2665 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2666 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2667 | free(s); |
| 2668 | PDATA_PUSH(self->stack, py_int, -1); |
| 2669 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2670 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2671 | finally: |
| 2672 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2673 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2674 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2675 | } |
| 2676 | |
| 2677 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2678 | static long |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2679 | calc_binint(char *s, int x) |
| 2680 | { |
| 2681 | unsigned char c; |
| 2682 | int i; |
| 2683 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2684 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2685 | for (i = 0, l = 0L; i < x; i++) { |
| 2686 | c = (unsigned char)s[i]; |
| 2687 | l |= (long)c << (i * 8); |
| 2688 | } |
Tim Peters | bfa18f7 | 2001-04-10 01:54:42 +0000 | [diff] [blame] | 2689 | #if SIZEOF_LONG > 4 |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2690 | /* Unlike BININT1 and BININT2, BININT (more accurately BININT4) |
| 2691 | * is signed, so on a box with longs bigger than 4 bytes we need |
| 2692 | * to extend a BININT's sign bit to the full width. |
| 2693 | */ |
| 2694 | if (x == 4 && l & (1L << 31)) |
| 2695 | l |= (~0L) << 32; |
Tim Peters | bfa18f7 | 2001-04-10 01:54:42 +0000 | [diff] [blame] | 2696 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2697 | return l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2698 | } |
| 2699 | |
| 2700 | |
| 2701 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2702 | load_binintx(Unpicklerobject *self, char *s, int x) |
| 2703 | { |
| 2704 | PyObject *py_int = 0; |
| 2705 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2706 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2707 | l = calc_binint(s, x); |
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 | if (!( py_int = PyInt_FromLong(l))) |
| 2710 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2711 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2712 | PDATA_PUSH(self->stack, py_int, -1); |
| 2713 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2714 | } |
| 2715 | |
| 2716 | |
| 2717 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2718 | load_binint(Unpicklerobject *self) |
| 2719 | { |
| 2720 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2721 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2722 | if ((*self->read_func)(self, &s, 4) < 0) |
| 2723 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2724 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2725 | return load_binintx(self, s, 4); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2726 | } |
| 2727 | |
| 2728 | |
| 2729 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2730 | load_binint1(Unpicklerobject *self) |
| 2731 | { |
| 2732 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2733 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2734 | if ((*self->read_func)(self, &s, 1) < 0) |
| 2735 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2736 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2737 | return load_binintx(self, s, 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2738 | } |
| 2739 | |
| 2740 | |
| 2741 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2742 | load_binint2(Unpicklerobject *self) |
| 2743 | { |
| 2744 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2745 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2746 | if ((*self->read_func)(self, &s, 2) < 0) |
| 2747 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2748 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2749 | return load_binintx(self, s, 2); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2750 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2751 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2752 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2753 | load_long(Unpicklerobject *self) |
| 2754 | { |
| 2755 | PyObject *l = 0; |
| 2756 | char *end, *s; |
| 2757 | int len, res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2758 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2759 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 2760 | if (len < 2) return bad_readline(); |
| 2761 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2762 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2763 | if (!( l = PyLong_FromString(s, &end, 0))) |
| 2764 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2765 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2766 | free(s); |
| 2767 | PDATA_PUSH(self->stack, l, -1); |
| 2768 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2769 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2770 | finally: |
| 2771 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2772 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2773 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2774 | } |
| 2775 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2776 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2777 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2778 | load_float(Unpicklerobject *self) |
| 2779 | { |
| 2780 | PyObject *py_float = 0; |
| 2781 | char *endptr, *s; |
| 2782 | int len, res = -1; |
| 2783 | double d; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2784 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2785 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 2786 | if (len < 2) return bad_readline(); |
| 2787 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2788 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2789 | errno = 0; |
| 2790 | d = strtod(s, &endptr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2791 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2792 | if (errno || (endptr[0] != '\n') || (endptr[1] != '\0')) { |
| 2793 | PyErr_SetString(PyExc_ValueError, |
| 2794 | "could not convert string to float"); |
| 2795 | goto finally; |
| 2796 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2797 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2798 | if (!( py_float = PyFloat_FromDouble(d))) |
| 2799 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2800 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2801 | free(s); |
| 2802 | PDATA_PUSH(self->stack, py_float, -1); |
| 2803 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2804 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2805 | finally: |
| 2806 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2807 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2808 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2809 | } |
| 2810 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2811 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2812 | load_binfloat(Unpicklerobject *self) |
| 2813 | { |
| 2814 | PyObject *py_float = 0; |
| 2815 | int s, e; |
| 2816 | long fhi, flo; |
| 2817 | double x; |
| 2818 | char *p; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2819 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2820 | if ((*self->read_func)(self, &p, 8) < 0) |
| 2821 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2822 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2823 | /* First byte */ |
| 2824 | s = (*p>>7) & 1; |
| 2825 | e = (*p & 0x7F) << 4; |
| 2826 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2827 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2828 | /* Second byte */ |
| 2829 | e |= (*p>>4) & 0xF; |
| 2830 | fhi = (*p & 0xF) << 24; |
| 2831 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2832 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2833 | /* Third byte */ |
| 2834 | fhi |= (*p & 0xFF) << 16; |
| 2835 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2836 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2837 | /* Fourth byte */ |
| 2838 | fhi |= (*p & 0xFF) << 8; |
| 2839 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2840 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2841 | /* Fifth byte */ |
| 2842 | fhi |= *p & 0xFF; |
| 2843 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2844 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2845 | /* Sixth byte */ |
| 2846 | flo = (*p & 0xFF) << 16; |
| 2847 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2848 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2849 | /* Seventh byte */ |
| 2850 | flo |= (*p & 0xFF) << 8; |
| 2851 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2852 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2853 | /* Eighth byte */ |
| 2854 | flo |= *p & 0xFF; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2855 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2856 | x = (double)fhi + (double)flo / 16777216.0; /* 2**24 */ |
| 2857 | x /= 268435456.0; /* 2**28 */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2858 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2859 | /* XXX This sadly ignores Inf/NaN */ |
| 2860 | if (e == 0) |
| 2861 | e = -1022; |
| 2862 | else { |
| 2863 | x += 1.0; |
| 2864 | e -= 1023; |
| 2865 | } |
| 2866 | x = ldexp(x, e); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2867 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2868 | if (s) |
| 2869 | x = -x; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2870 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2871 | if (!( py_float = PyFloat_FromDouble(x))) return -1; |
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 | PDATA_PUSH(self->stack, py_float, -1); |
| 2874 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2875 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2876 | |
| 2877 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2878 | load_string(Unpicklerobject *self) |
| 2879 | { |
| 2880 | PyObject *str = 0; |
| 2881 | int len, res = -1, nslash; |
| 2882 | char *s, q, *p; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2883 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2884 | static PyObject *eval_dict = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2885 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2886 | 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 | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2890 | /* Check for unquoted quotes (evil strings) */ |
| 2891 | q=*s; |
| 2892 | if (q != '"' && q != '\'') goto insecure; |
| 2893 | for (p=s+1, nslash=0; *p; p++) { |
| 2894 | if (*p==q && nslash%2==0) break; |
| 2895 | if (*p=='\\') nslash++; |
| 2896 | else nslash=0; |
| 2897 | } |
| 2898 | if (*p == q) { |
| 2899 | for (p++; *p; p++) |
| 2900 | if (*(unsigned char *)p > ' ') |
| 2901 | goto insecure; |
| 2902 | } |
| 2903 | else |
| 2904 | goto insecure; |
| 2905 | /********************************************/ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 2906 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2907 | if (!( eval_dict )) |
| 2908 | if (!( eval_dict = Py_BuildValue("{s{}}", "__builtins__"))) |
| 2909 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2910 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2911 | if (!( str = PyRun_String(s, Py_eval_input, eval_dict, eval_dict))) |
| 2912 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2913 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2914 | free(s); |
| 2915 | PDATA_PUSH(self->stack, str, -1); |
| 2916 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2917 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2918 | finally: |
| 2919 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2920 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2921 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2922 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2923 | insecure: |
| 2924 | free(s); |
| 2925 | PyErr_SetString(PyExc_ValueError,"insecure string pickle"); |
| 2926 | return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2927 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2928 | |
| 2929 | |
| 2930 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2931 | load_binstring(Unpicklerobject *self) |
| 2932 | { |
| 2933 | PyObject *py_string = 0; |
| 2934 | long l; |
| 2935 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2936 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2937 | if ((*self->read_func)(self, &s, 4) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2938 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2939 | l = calc_binint(s, 4); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2940 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2941 | if ((*self->read_func)(self, &s, l) < 0) |
| 2942 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2943 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2944 | if (!( py_string = PyString_FromStringAndSize(s, l))) |
| 2945 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2946 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2947 | PDATA_PUSH(self->stack, py_string, -1); |
| 2948 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2949 | } |
| 2950 | |
| 2951 | |
| 2952 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2953 | load_short_binstring(Unpicklerobject *self) |
| 2954 | { |
| 2955 | PyObject *py_string = 0; |
| 2956 | unsigned char l; |
| 2957 | char *s; |
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 | if ((*self->read_func)(self, &s, 1) < 0) |
| 2960 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2961 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2962 | l = (unsigned char)s[0]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2963 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2964 | if ((*self->read_func)(self, &s, l) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2965 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2966 | if (!( py_string = PyString_FromStringAndSize(s, l))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2967 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2968 | PDATA_PUSH(self->stack, py_string, -1); |
| 2969 | return 0; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2970 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2971 | |
| 2972 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2973 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2974 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2975 | load_unicode(Unpicklerobject *self) |
| 2976 | { |
| 2977 | PyObject *str = 0; |
| 2978 | int len, res = -1; |
| 2979 | char *s; |
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 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 2982 | if (len < 1) return bad_readline(); |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2983 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2984 | if (!( str = PyUnicode_DecodeRawUnicodeEscape(s, len - 1, NULL))) |
| 2985 | goto finally; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2986 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2987 | PDATA_PUSH(self->stack, str, -1); |
| 2988 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2989 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2990 | finally: |
| 2991 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2992 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2993 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2994 | |
| 2995 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2996 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2997 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2998 | load_binunicode(Unpicklerobject *self) |
| 2999 | { |
| 3000 | PyObject *unicode; |
| 3001 | long l; |
| 3002 | char *s; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3003 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3004 | if ((*self->read_func)(self, &s, 4) < 0) return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3005 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3006 | l = calc_binint(s, 4); |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3007 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3008 | if ((*self->read_func)(self, &s, l) < 0) |
| 3009 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3010 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3011 | if (!( unicode = PyUnicode_DecodeUTF8(s, l, NULL))) |
| 3012 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3013 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3014 | PDATA_PUSH(self->stack, unicode, -1); |
| 3015 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3016 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3017 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3018 | |
| 3019 | |
| 3020 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3021 | load_tuple(Unpicklerobject *self) |
| 3022 | { |
| 3023 | PyObject *tup; |
| 3024 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3025 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3026 | if ((i = marker(self)) < 0) return -1; |
| 3027 | if (!( tup=Pdata_popTuple(self->stack, i))) return -1; |
| 3028 | PDATA_PUSH(self->stack, tup, -1); |
| 3029 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3030 | } |
| 3031 | |
| 3032 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3033 | load_empty_tuple(Unpicklerobject *self) |
| 3034 | { |
| 3035 | PyObject *tup; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3036 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3037 | if (!( tup=PyTuple_New(0))) return -1; |
| 3038 | PDATA_PUSH(self->stack, tup, -1); |
| 3039 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3040 | } |
| 3041 | |
| 3042 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3043 | load_empty_list(Unpicklerobject *self) |
| 3044 | { |
| 3045 | PyObject *list; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3046 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3047 | if (!( list=PyList_New(0))) return -1; |
| 3048 | PDATA_PUSH(self->stack, list, -1); |
| 3049 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3050 | } |
| 3051 | |
| 3052 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3053 | load_empty_dict(Unpicklerobject *self) |
| 3054 | { |
| 3055 | PyObject *dict; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3056 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3057 | if (!( dict=PyDict_New())) return -1; |
| 3058 | PDATA_PUSH(self->stack, dict, -1); |
| 3059 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3060 | } |
| 3061 | |
| 3062 | |
| 3063 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3064 | load_list(Unpicklerobject *self) |
| 3065 | { |
| 3066 | PyObject *list = 0; |
| 3067 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3068 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3069 | if ((i = marker(self)) < 0) return -1; |
| 3070 | if (!( list=Pdata_popList(self->stack, i))) return -1; |
| 3071 | PDATA_PUSH(self->stack, list, -1); |
| 3072 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3073 | } |
| 3074 | |
| 3075 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3076 | load_dict(Unpicklerobject *self) |
| 3077 | { |
| 3078 | PyObject *dict, *key, *value; |
| 3079 | int i, j, k; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3080 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3081 | if ((i = marker(self)) < 0) return -1; |
| 3082 | j=self->stack->length; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3083 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3084 | if (!( dict = PyDict_New())) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3085 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3086 | for (k = i+1; k < j; k += 2) { |
| 3087 | key =self->stack->data[k-1]; |
| 3088 | value=self->stack->data[k ]; |
| 3089 | if (PyDict_SetItem(dict, key, value) < 0) { |
| 3090 | Py_DECREF(dict); |
| 3091 | return -1; |
| 3092 | } |
| 3093 | } |
| 3094 | Pdata_clear(self->stack, i); |
| 3095 | PDATA_PUSH(self->stack, dict, -1); |
| 3096 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3097 | } |
| 3098 | |
| 3099 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3100 | Instance_New(PyObject *cls, PyObject *args) |
| 3101 | { |
| 3102 | int has_key; |
| 3103 | PyObject *safe=0, *r=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3104 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3105 | if (PyClass_Check(cls)) { |
| 3106 | int l; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3107 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3108 | if ((l=PyObject_Size(args)) < 0) goto err; |
| 3109 | if (!( l )) { |
| 3110 | PyObject *__getinitargs__; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3111 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3112 | __getinitargs__ = PyObject_GetAttr(cls, |
| 3113 | __getinitargs___str); |
| 3114 | if (!__getinitargs__) { |
| 3115 | /* We have a class with no __getinitargs__, |
| 3116 | so bypass usual construction */ |
| 3117 | PyObject *inst; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3118 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3119 | PyErr_Clear(); |
| 3120 | if (!( inst=PyInstance_NewRaw(cls, NULL))) |
| 3121 | goto err; |
| 3122 | return inst; |
| 3123 | } |
| 3124 | Py_DECREF(__getinitargs__); |
| 3125 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3126 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3127 | if ((r=PyInstance_New(cls, args, NULL))) return r; |
| 3128 | else goto err; |
| 3129 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3130 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3131 | /* Is safe_constructors always a dict? */ |
| 3132 | has_key = cPickle_PyMapping_HasKey(safe_constructors, cls); |
| 3133 | if (!has_key) { |
| 3134 | safe = PyObject_GetAttr(cls, __safe_for_unpickling___str); |
| 3135 | if (!safe || |
| 3136 | !PyObject_IsTrue(safe)) { |
| 3137 | cPickle_ErrFormat(UnpicklingError, |
| 3138 | "%s is not safe for unpickling", |
| 3139 | "O", cls); |
| 3140 | Py_XDECREF(safe); |
| 3141 | return NULL; |
| 3142 | } |
| 3143 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 3144 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3145 | if (args==Py_None) { |
| 3146 | /* Special case, call cls.__basicnew__() */ |
| 3147 | PyObject *basicnew; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3148 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3149 | basicnew = PyObject_GetAttr(cls, __basicnew___str); |
| 3150 | if (!basicnew) return NULL; |
| 3151 | r=PyObject_CallObject(basicnew, NULL); |
| 3152 | Py_DECREF(basicnew); |
| 3153 | if (r) return r; |
| 3154 | } |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 3155 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3156 | if ((r=PyObject_CallObject(cls, args))) return r; |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 3157 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3158 | err: |
| 3159 | { |
| 3160 | PyObject *tp, *v, *tb; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3161 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3162 | PyErr_Fetch(&tp, &v, &tb); |
| 3163 | if ((r=Py_BuildValue("OOO",v,cls,args))) { |
| 3164 | Py_XDECREF(v); |
| 3165 | v=r; |
| 3166 | } |
| 3167 | PyErr_Restore(tp,v,tb); |
| 3168 | } |
| 3169 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3170 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3171 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3172 | |
| 3173 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3174 | load_obj(Unpicklerobject *self) |
| 3175 | { |
| 3176 | PyObject *class, *tup, *obj=0; |
| 3177 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3178 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3179 | if ((i = marker(self)) < 0) return -1; |
| 3180 | if (!( tup=Pdata_popTuple(self->stack, i+1))) return -1; |
| 3181 | PDATA_POP(self->stack, class); |
| 3182 | if (class) { |
| 3183 | obj = Instance_New(class, tup); |
| 3184 | Py_DECREF(class); |
| 3185 | } |
| 3186 | Py_DECREF(tup); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3187 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3188 | if (! obj) return -1; |
| 3189 | PDATA_PUSH(self->stack, obj, -1); |
| 3190 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3191 | } |
| 3192 | |
| 3193 | |
| 3194 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3195 | load_inst(Unpicklerobject *self) |
| 3196 | { |
| 3197 | PyObject *tup, *class=0, *obj=0, *module_name, *class_name; |
| 3198 | int i, len; |
| 3199 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3200 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3201 | if ((i = marker(self)) < 0) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3202 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3203 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 3204 | if (len < 2) return bad_readline(); |
| 3205 | module_name = PyString_FromStringAndSize(s, len - 1); |
| 3206 | if (!module_name) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3207 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3208 | if ((len = (*self->readline_func)(self, &s)) >= 0) { |
| 3209 | if (len < 2) return bad_readline(); |
| 3210 | if ((class_name = PyString_FromStringAndSize(s, len - 1))) { |
| 3211 | class = find_class(module_name, class_name, |
| 3212 | self->find_class); |
| 3213 | Py_DECREF(class_name); |
| 3214 | } |
| 3215 | } |
| 3216 | Py_DECREF(module_name); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3217 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3218 | if (! class) return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3219 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3220 | if ((tup=Pdata_popTuple(self->stack, i))) { |
| 3221 | obj = Instance_New(class, tup); |
| 3222 | Py_DECREF(tup); |
| 3223 | } |
| 3224 | Py_DECREF(class); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3225 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3226 | if (! obj) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3227 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3228 | PDATA_PUSH(self->stack, obj, -1); |
| 3229 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3230 | } |
| 3231 | |
| 3232 | |
| 3233 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3234 | load_global(Unpicklerobject *self) |
| 3235 | { |
| 3236 | PyObject *class = 0, *module_name = 0, *class_name = 0; |
| 3237 | int len; |
| 3238 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3239 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3240 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 3241 | if (len < 2) return bad_readline(); |
| 3242 | module_name = PyString_FromStringAndSize(s, len - 1); |
| 3243 | if (!module_name) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3244 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3245 | if ((len = (*self->readline_func)(self, &s)) >= 0) { |
| 3246 | if (len < 2) return bad_readline(); |
| 3247 | if ((class_name = PyString_FromStringAndSize(s, len - 1))) { |
| 3248 | class = find_class(module_name, class_name, |
| 3249 | self->find_class); |
| 3250 | Py_DECREF(class_name); |
| 3251 | } |
| 3252 | } |
| 3253 | Py_DECREF(module_name); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3254 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3255 | if (! class) return -1; |
| 3256 | PDATA_PUSH(self->stack, class, -1); |
| 3257 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3258 | } |
| 3259 | |
| 3260 | |
| 3261 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3262 | load_persid(Unpicklerobject *self) |
| 3263 | { |
| 3264 | PyObject *pid = 0; |
| 3265 | int len; |
| 3266 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3267 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3268 | if (self->pers_func) { |
| 3269 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 3270 | if (len < 2) return bad_readline(); |
| 3271 | |
| 3272 | pid = PyString_FromStringAndSize(s, len - 1); |
| 3273 | if (!pid) return -1; |
| 3274 | |
| 3275 | if (PyList_Check(self->pers_func)) { |
| 3276 | if (PyList_Append(self->pers_func, pid) < 0) { |
| 3277 | Py_DECREF(pid); |
| 3278 | return -1; |
| 3279 | } |
| 3280 | } |
| 3281 | else { |
| 3282 | ARG_TUP(self, pid); |
| 3283 | if (self->arg) { |
| 3284 | pid = PyObject_Call(self->pers_func, self->arg, |
| 3285 | NULL); |
| 3286 | FREE_ARG_TUP(self); |
| 3287 | } |
| 3288 | } |
| 3289 | |
| 3290 | if (! pid) return -1; |
| 3291 | |
| 3292 | PDATA_PUSH(self->stack, pid, -1); |
| 3293 | return 0; |
| 3294 | } |
| 3295 | else { |
| 3296 | PyErr_SetString(UnpicklingError, |
| 3297 | "A load persistent id instruction was encountered,\n" |
| 3298 | "but no persistent_load function was specified."); |
| 3299 | return -1; |
| 3300 | } |
| 3301 | } |
| 3302 | |
| 3303 | static int |
| 3304 | load_binpersid(Unpicklerobject *self) |
| 3305 | { |
| 3306 | PyObject *pid = 0; |
| 3307 | |
| 3308 | if (self->pers_func) { |
| 3309 | PDATA_POP(self->stack, pid); |
| 3310 | if (! pid) return -1; |
| 3311 | |
| 3312 | if (PyList_Check(self->pers_func)) { |
| 3313 | if (PyList_Append(self->pers_func, pid) < 0) { |
| 3314 | Py_DECREF(pid); |
| 3315 | return -1; |
| 3316 | } |
| 3317 | } |
| 3318 | else { |
| 3319 | ARG_TUP(self, pid); |
| 3320 | if (self->arg) { |
| 3321 | pid = PyObject_Call(self->pers_func, self->arg, |
| 3322 | NULL); |
| 3323 | FREE_ARG_TUP(self); |
| 3324 | } |
| 3325 | if (! pid) return -1; |
| 3326 | } |
| 3327 | |
| 3328 | PDATA_PUSH(self->stack, pid, -1); |
| 3329 | return 0; |
| 3330 | } |
| 3331 | else { |
| 3332 | PyErr_SetString(UnpicklingError, |
| 3333 | "A load persistent id instruction was encountered,\n" |
| 3334 | "but no persistent_load function was specified."); |
| 3335 | return -1; |
| 3336 | } |
| 3337 | } |
| 3338 | |
| 3339 | |
| 3340 | static int |
| 3341 | load_pop(Unpicklerobject *self) |
| 3342 | { |
| 3343 | int len; |
| 3344 | |
| 3345 | if (!( (len=self->stack->length) > 0 )) return stackUnderflow(); |
| 3346 | |
| 3347 | /* Note that we split the (pickle.py) stack into two stacks, |
| 3348 | an object stack and a mark stack. We have to be clever and |
| 3349 | pop the right one. We do this by looking at the top of the |
| 3350 | mark stack. |
| 3351 | */ |
| 3352 | |
| 3353 | if ((self->num_marks > 0) && |
| 3354 | (self->marks[self->num_marks - 1] == len)) |
| 3355 | self->num_marks--; |
| 3356 | else { |
| 3357 | len--; |
| 3358 | Py_DECREF(self->stack->data[len]); |
| 3359 | self->stack->length=len; |
| 3360 | } |
| 3361 | |
| 3362 | return 0; |
| 3363 | } |
| 3364 | |
| 3365 | |
| 3366 | static int |
| 3367 | load_pop_mark(Unpicklerobject *self) |
| 3368 | { |
| 3369 | int i; |
| 3370 | |
| 3371 | if ((i = marker(self)) < 0) |
| 3372 | return -1; |
| 3373 | |
| 3374 | Pdata_clear(self->stack, i); |
| 3375 | |
| 3376 | return 0; |
| 3377 | } |
| 3378 | |
| 3379 | |
| 3380 | static int |
| 3381 | load_dup(Unpicklerobject *self) |
| 3382 | { |
| 3383 | PyObject *last; |
| 3384 | int len; |
| 3385 | |
| 3386 | if ((len = self->stack->length) <= 0) return stackUnderflow(); |
| 3387 | last=self->stack->data[len-1]; |
| 3388 | Py_INCREF(last); |
| 3389 | PDATA_PUSH(self->stack, last, -1); |
| 3390 | return 0; |
| 3391 | } |
| 3392 | |
| 3393 | |
| 3394 | static int |
| 3395 | load_get(Unpicklerobject *self) |
| 3396 | { |
| 3397 | PyObject *py_str = 0, *value = 0; |
| 3398 | int len; |
| 3399 | char *s; |
| 3400 | int rc; |
| 3401 | |
| 3402 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 3403 | if (len < 2) return bad_readline(); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3404 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3405 | if (!( py_str = PyString_FromStringAndSize(s, len - 1))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3406 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3407 | value = PyDict_GetItem(self->memo, py_str); |
| 3408 | if (! value) { |
| 3409 | PyErr_SetObject(BadPickleGet, py_str); |
| 3410 | rc = -1; |
| 3411 | } else { |
| 3412 | PDATA_APPEND(self->stack, value, -1); |
| 3413 | rc = 0; |
| 3414 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3415 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3416 | Py_DECREF(py_str); |
| 3417 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3418 | } |
| 3419 | |
| 3420 | |
| 3421 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3422 | load_binget(Unpicklerobject *self) |
| 3423 | { |
| 3424 | PyObject *py_key = 0, *value = 0; |
| 3425 | unsigned char key; |
| 3426 | char *s; |
| 3427 | int rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3428 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3429 | if ((*self->read_func)(self, &s, 1) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3430 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3431 | key = (unsigned char)s[0]; |
| 3432 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
Guido van Rossum | ea2b715 | 2000-05-09 18:14:50 +0000 | [diff] [blame] | 3433 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3434 | value = PyDict_GetItem(self->memo, py_key); |
| 3435 | if (! value) { |
| 3436 | PyErr_SetObject(BadPickleGet, py_key); |
| 3437 | rc = -1; |
| 3438 | } else { |
| 3439 | PDATA_APPEND(self->stack, value, -1); |
| 3440 | rc = 0; |
| 3441 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3442 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3443 | Py_DECREF(py_key); |
| 3444 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3445 | } |
| 3446 | |
| 3447 | |
| 3448 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3449 | load_long_binget(Unpicklerobject *self) |
| 3450 | { |
| 3451 | PyObject *py_key = 0, *value = 0; |
| 3452 | unsigned char c; |
| 3453 | char *s; |
| 3454 | long key; |
| 3455 | int rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3456 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3457 | if ((*self->read_func)(self, &s, 4) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3458 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3459 | c = (unsigned char)s[0]; |
| 3460 | key = (long)c; |
| 3461 | c = (unsigned char)s[1]; |
| 3462 | key |= (long)c << 8; |
| 3463 | c = (unsigned char)s[2]; |
| 3464 | key |= (long)c << 16; |
| 3465 | c = (unsigned char)s[3]; |
| 3466 | key |= (long)c << 24; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3467 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3468 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
| 3469 | |
| 3470 | value = PyDict_GetItem(self->memo, py_key); |
| 3471 | if (! value) { |
| 3472 | PyErr_SetObject(BadPickleGet, py_key); |
| 3473 | rc = -1; |
| 3474 | } else { |
| 3475 | PDATA_APPEND(self->stack, value, -1); |
| 3476 | rc = 0; |
| 3477 | } |
| 3478 | |
| 3479 | Py_DECREF(py_key); |
| 3480 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3481 | } |
| 3482 | |
| 3483 | |
| 3484 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3485 | load_put(Unpicklerobject *self) |
| 3486 | { |
| 3487 | PyObject *py_str = 0, *value = 0; |
| 3488 | int len, l; |
| 3489 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3490 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3491 | if ((l = (*self->readline_func)(self, &s)) < 0) return -1; |
| 3492 | if (l < 2) return bad_readline(); |
| 3493 | if (!( len=self->stack->length )) return stackUnderflow(); |
| 3494 | if (!( py_str = PyString_FromStringAndSize(s, l - 1))) return -1; |
| 3495 | value=self->stack->data[len-1]; |
| 3496 | l=PyDict_SetItem(self->memo, py_str, value); |
| 3497 | Py_DECREF(py_str); |
| 3498 | return l; |
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_binput(Unpicklerobject *self) |
| 3504 | { |
| 3505 | PyObject *py_key = 0, *value = 0; |
| 3506 | unsigned char key; |
| 3507 | char *s; |
| 3508 | int len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3509 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3510 | if ((*self->read_func)(self, &s, 1) < 0) return -1; |
| 3511 | if (!( (len=self->stack->length) > 0 )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3512 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3513 | key = (unsigned char)s[0]; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 3514 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3515 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
| 3516 | value=self->stack->data[len-1]; |
| 3517 | len=PyDict_SetItem(self->memo, py_key, value); |
| 3518 | Py_DECREF(py_key); |
| 3519 | return len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3520 | } |
| 3521 | |
| 3522 | |
| 3523 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3524 | load_long_binput(Unpicklerobject *self) |
| 3525 | { |
| 3526 | PyObject *py_key = 0, *value = 0; |
| 3527 | long key; |
| 3528 | unsigned char c; |
| 3529 | char *s; |
| 3530 | int len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3531 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3532 | if ((*self->read_func)(self, &s, 4) < 0) return -1; |
| 3533 | if (!( len=self->stack->length )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3534 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3535 | c = (unsigned char)s[0]; |
| 3536 | key = (long)c; |
| 3537 | c = (unsigned char)s[1]; |
| 3538 | key |= (long)c << 8; |
| 3539 | c = (unsigned char)s[2]; |
| 3540 | key |= (long)c << 16; |
| 3541 | c = (unsigned char)s[3]; |
| 3542 | key |= (long)c << 24; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3543 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3544 | if (!( py_key = PyInt_FromLong(key))) return -1; |
| 3545 | value=self->stack->data[len-1]; |
| 3546 | len=PyDict_SetItem(self->memo, py_key, value); |
| 3547 | Py_DECREF(py_key); |
| 3548 | return len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3549 | } |
| 3550 | |
| 3551 | |
| 3552 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3553 | do_append(Unpicklerobject *self, int x) |
| 3554 | { |
| 3555 | PyObject *value = 0, *list = 0, *append_method = 0; |
| 3556 | int len, i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3557 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3558 | len=self->stack->length; |
| 3559 | if (!( len >= x && x > 0 )) return stackUnderflow(); |
| 3560 | /* nothing to do */ |
| 3561 | if (len==x) return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3562 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3563 | list=self->stack->data[x-1]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3564 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3565 | if (PyList_Check(list)) { |
| 3566 | PyObject *slice; |
| 3567 | int list_len; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3568 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3569 | slice=Pdata_popList(self->stack, x); |
| 3570 | list_len = PyList_GET_SIZE(list); |
| 3571 | i=PyList_SetSlice(list, list_len, list_len, slice); |
| 3572 | Py_DECREF(slice); |
| 3573 | return i; |
| 3574 | } |
| 3575 | else { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3576 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3577 | if (!( append_method = PyObject_GetAttr(list, append_str))) |
| 3578 | return -1; |
| 3579 | |
| 3580 | for (i = x; i < len; i++) { |
| 3581 | PyObject *junk; |
| 3582 | |
| 3583 | value=self->stack->data[i]; |
| 3584 | junk=0; |
| 3585 | ARG_TUP(self, value); |
| 3586 | if (self->arg) { |
| 3587 | junk = PyObject_Call(append_method, self->arg, |
| 3588 | NULL); |
| 3589 | FREE_ARG_TUP(self); |
| 3590 | } |
| 3591 | if (! junk) { |
| 3592 | Pdata_clear(self->stack, i+1); |
| 3593 | self->stack->length=x; |
| 3594 | Py_DECREF(append_method); |
| 3595 | return -1; |
| 3596 | } |
| 3597 | Py_DECREF(junk); |
| 3598 | } |
| 3599 | self->stack->length=x; |
| 3600 | Py_DECREF(append_method); |
| 3601 | } |
| 3602 | |
| 3603 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3604 | } |
| 3605 | |
| 3606 | |
| 3607 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3608 | load_append(Unpicklerobject *self) |
| 3609 | { |
| 3610 | return do_append(self, self->stack->length - 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3611 | } |
| 3612 | |
| 3613 | |
| 3614 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3615 | load_appends(Unpicklerobject *self) |
| 3616 | { |
| 3617 | return do_append(self, marker(self)); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3618 | } |
| 3619 | |
| 3620 | |
| 3621 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3622 | do_setitems(Unpicklerobject *self, int x) |
| 3623 | { |
| 3624 | PyObject *value = 0, *key = 0, *dict = 0; |
| 3625 | int len, i, r=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3626 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3627 | if (!( (len=self->stack->length) >= x |
| 3628 | && x > 0 )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3629 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3630 | dict=self->stack->data[x-1]; |
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 | for (i = x+1; i < len; i += 2) { |
| 3633 | key =self->stack->data[i-1]; |
| 3634 | value=self->stack->data[i ]; |
| 3635 | if (PyObject_SetItem(dict, key, value) < 0) { |
| 3636 | r=-1; |
| 3637 | break; |
| 3638 | } |
| 3639 | } |
| 3640 | |
| 3641 | Pdata_clear(self->stack, x); |
| 3642 | |
| 3643 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3644 | } |
| 3645 | |
| 3646 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3647 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3648 | load_setitem(Unpicklerobject *self) |
| 3649 | { |
| 3650 | return do_setitems(self, self->stack->length - 2); |
| 3651 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3652 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3653 | static int |
| 3654 | load_setitems(Unpicklerobject *self) |
| 3655 | { |
| 3656 | return do_setitems(self, marker(self)); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3657 | } |
| 3658 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3659 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3660 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3661 | load_build(Unpicklerobject *self) |
| 3662 | { |
| 3663 | PyObject *value = 0, *inst = 0, *instdict = 0, *d_key = 0, *d_value = 0, |
| 3664 | *junk = 0, *__setstate__ = 0; |
| 3665 | int i, r = 0; |
| 3666 | |
| 3667 | if (self->stack->length < 2) return stackUnderflow(); |
| 3668 | PDATA_POP(self->stack, value); |
| 3669 | if (! value) return -1; |
| 3670 | inst=self->stack->data[self->stack->length-1]; |
| 3671 | |
| 3672 | if ((__setstate__ = PyObject_GetAttr(inst, __setstate___str))) { |
| 3673 | ARG_TUP(self, value); |
| 3674 | if (self->arg) { |
| 3675 | junk = PyObject_Call(__setstate__, self->arg, NULL); |
| 3676 | FREE_ARG_TUP(self); |
| 3677 | } |
| 3678 | Py_DECREF(__setstate__); |
| 3679 | if (! junk) return -1; |
| 3680 | Py_DECREF(junk); |
| 3681 | return 0; |
| 3682 | } |
| 3683 | |
| 3684 | PyErr_Clear(); |
| 3685 | if ((instdict = PyObject_GetAttr(inst, __dict___str))) { |
| 3686 | i = 0; |
| 3687 | while (PyDict_Next(value, &i, &d_key, &d_value)) { |
| 3688 | if (PyObject_SetItem(instdict, d_key, d_value) < 0) { |
| 3689 | r=-1; |
| 3690 | break; |
| 3691 | } |
| 3692 | } |
| 3693 | Py_DECREF(instdict); |
| 3694 | } |
| 3695 | else r=-1; |
| 3696 | |
| 3697 | Py_XDECREF(value); |
| 3698 | |
| 3699 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3700 | } |
| 3701 | |
| 3702 | |
| 3703 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3704 | load_mark(Unpicklerobject *self) |
| 3705 | { |
| 3706 | int s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3707 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3708 | /* Note that we split the (pickle.py) stack into two stacks, an |
| 3709 | object stack and a mark stack. Here we push a mark onto the |
| 3710 | mark stack. |
| 3711 | */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3712 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3713 | if ((self->num_marks + 1) >= self->marks_size) { |
| 3714 | s=self->marks_size+20; |
| 3715 | if (s <= self->num_marks) s=self->num_marks + 1; |
| 3716 | if (self->marks == NULL) |
| 3717 | self->marks=(int *)malloc(s * sizeof(int)); |
| 3718 | else |
| 3719 | self->marks=(int *)realloc(self->marks, |
| 3720 | s * sizeof(int)); |
| 3721 | if (! self->marks) { |
| 3722 | PyErr_NoMemory(); |
| 3723 | return -1; |
| 3724 | } |
| 3725 | self->marks_size = s; |
| 3726 | } |
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 | self->marks[self->num_marks++] = self->stack->length; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3729 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3730 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3731 | } |
| 3732 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3733 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3734 | load_reduce(Unpicklerobject *self) |
| 3735 | { |
| 3736 | PyObject *callable = 0, *arg_tup = 0, *ob = 0; |
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 | PDATA_POP(self->stack, arg_tup); |
| 3739 | if (! arg_tup) return -1; |
| 3740 | PDATA_POP(self->stack, callable); |
| 3741 | if (callable) { |
| 3742 | ob = Instance_New(callable, arg_tup); |
| 3743 | Py_DECREF(callable); |
| 3744 | } |
| 3745 | Py_DECREF(arg_tup); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3746 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3747 | if (! ob) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3748 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3749 | PDATA_PUSH(self->stack, ob, -1); |
| 3750 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3751 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3752 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3753 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3754 | load(Unpicklerobject *self) |
| 3755 | { |
| 3756 | PyObject *err = 0, *val = 0; |
| 3757 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3758 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3759 | self->num_marks = 0; |
| 3760 | if (self->stack->length) Pdata_clear(self->stack, 0); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3761 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3762 | while (1) { |
| 3763 | if ((*self->read_func)(self, &s, 1) < 0) |
| 3764 | break; |
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 | switch (s[0]) { |
| 3767 | case NONE: |
| 3768 | if (load_none(self) < 0) |
| 3769 | break; |
| 3770 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3771 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3772 | case BININT: |
| 3773 | if (load_binint(self) < 0) |
| 3774 | break; |
| 3775 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3776 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3777 | case BININT1: |
| 3778 | if (load_binint1(self) < 0) |
| 3779 | break; |
| 3780 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3781 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3782 | case BININT2: |
| 3783 | if (load_binint2(self) < 0) |
| 3784 | break; |
| 3785 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3786 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3787 | case INT: |
| 3788 | if (load_int(self) < 0) |
| 3789 | break; |
| 3790 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3791 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3792 | case LONG: |
| 3793 | if (load_long(self) < 0) |
| 3794 | break; |
| 3795 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3796 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3797 | case FLOAT: |
| 3798 | if (load_float(self) < 0) |
| 3799 | break; |
| 3800 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3801 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3802 | case BINFLOAT: |
| 3803 | if (load_binfloat(self) < 0) |
| 3804 | break; |
| 3805 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3806 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3807 | case BINSTRING: |
| 3808 | if (load_binstring(self) < 0) |
| 3809 | break; |
| 3810 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3811 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3812 | case SHORT_BINSTRING: |
| 3813 | if (load_short_binstring(self) < 0) |
| 3814 | break; |
| 3815 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3816 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3817 | case STRING: |
| 3818 | if (load_string(self) < 0) |
| 3819 | break; |
| 3820 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3821 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3822 | #ifdef Py_USING_UNICODE |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3823 | case UNICODE: |
| 3824 | if (load_unicode(self) < 0) |
| 3825 | break; |
| 3826 | continue; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3827 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3828 | case BINUNICODE: |
| 3829 | if (load_binunicode(self) < 0) |
| 3830 | break; |
| 3831 | continue; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3832 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3833 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3834 | case EMPTY_TUPLE: |
| 3835 | if (load_empty_tuple(self) < 0) |
| 3836 | break; |
| 3837 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3838 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3839 | case TUPLE: |
| 3840 | if (load_tuple(self) < 0) |
| 3841 | break; |
| 3842 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3843 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3844 | case EMPTY_LIST: |
| 3845 | if (load_empty_list(self) < 0) |
| 3846 | break; |
| 3847 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3848 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3849 | case LIST: |
| 3850 | if (load_list(self) < 0) |
| 3851 | break; |
| 3852 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3853 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3854 | case EMPTY_DICT: |
| 3855 | if (load_empty_dict(self) < 0) |
| 3856 | break; |
| 3857 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3858 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3859 | case DICT: |
| 3860 | if (load_dict(self) < 0) |
| 3861 | break; |
| 3862 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3863 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3864 | case OBJ: |
| 3865 | if (load_obj(self) < 0) |
| 3866 | break; |
| 3867 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3868 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3869 | case INST: |
| 3870 | if (load_inst(self) < 0) |
| 3871 | break; |
| 3872 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3873 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3874 | case GLOBAL: |
| 3875 | if (load_global(self) < 0) |
| 3876 | break; |
| 3877 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3878 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3879 | case APPEND: |
| 3880 | if (load_append(self) < 0) |
| 3881 | break; |
| 3882 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3883 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3884 | case APPENDS: |
| 3885 | if (load_appends(self) < 0) |
| 3886 | break; |
| 3887 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3888 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3889 | case BUILD: |
| 3890 | if (load_build(self) < 0) |
| 3891 | break; |
| 3892 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3893 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3894 | case DUP: |
| 3895 | if (load_dup(self) < 0) |
| 3896 | break; |
| 3897 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3898 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3899 | case BINGET: |
| 3900 | if (load_binget(self) < 0) |
| 3901 | break; |
| 3902 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3903 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3904 | case LONG_BINGET: |
| 3905 | if (load_long_binget(self) < 0) |
| 3906 | break; |
| 3907 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3908 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3909 | case GET: |
| 3910 | if (load_get(self) < 0) |
| 3911 | break; |
| 3912 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3913 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3914 | case MARK: |
| 3915 | if (load_mark(self) < 0) |
| 3916 | break; |
| 3917 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3918 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3919 | case BINPUT: |
| 3920 | if (load_binput(self) < 0) |
| 3921 | break; |
| 3922 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3923 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3924 | case LONG_BINPUT: |
| 3925 | if (load_long_binput(self) < 0) |
| 3926 | break; |
| 3927 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3928 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3929 | case PUT: |
| 3930 | if (load_put(self) < 0) |
| 3931 | break; |
| 3932 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3933 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3934 | case POP: |
| 3935 | if (load_pop(self) < 0) |
| 3936 | break; |
| 3937 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3938 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3939 | case POP_MARK: |
| 3940 | if (load_pop_mark(self) < 0) |
| 3941 | break; |
| 3942 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3943 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3944 | case SETITEM: |
| 3945 | if (load_setitem(self) < 0) |
| 3946 | break; |
| 3947 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3948 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3949 | case SETITEMS: |
| 3950 | if (load_setitems(self) < 0) |
| 3951 | break; |
| 3952 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3953 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3954 | case STOP: |
| 3955 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3956 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3957 | case PERSID: |
| 3958 | if (load_persid(self) < 0) |
| 3959 | break; |
| 3960 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3961 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3962 | case BINPERSID: |
| 3963 | if (load_binpersid(self) < 0) |
| 3964 | break; |
| 3965 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3966 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3967 | case REDUCE: |
| 3968 | if (load_reduce(self) < 0) |
| 3969 | break; |
| 3970 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3971 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3972 | case '\0': |
| 3973 | /* end of file */ |
| 3974 | PyErr_SetNone(PyExc_EOFError); |
| 3975 | break; |
Neil Schemenauer | fa79c65 | 2002-03-22 23:02:53 +0000 | [diff] [blame] | 3976 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3977 | default: |
| 3978 | cPickle_ErrFormat(UnpicklingError, |
| 3979 | "invalid load key, '%s'.", |
| 3980 | "c", s[0]); |
| 3981 | return NULL; |
| 3982 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3983 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3984 | break; |
| 3985 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3986 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3987 | if ((err = PyErr_Occurred())) { |
| 3988 | if (err == PyExc_EOFError) { |
| 3989 | PyErr_SetNone(PyExc_EOFError); |
| 3990 | } |
| 3991 | return NULL; |
| 3992 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3993 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3994 | PDATA_POP(self->stack, val); |
| 3995 | return val; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3996 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3997 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3998 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3999 | /* No-load functions to support noload, which is used to |
| 4000 | find persistent references. */ |
| 4001 | |
| 4002 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4003 | noload_obj(Unpicklerobject *self) |
| 4004 | { |
| 4005 | int i; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4006 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4007 | if ((i = marker(self)) < 0) return -1; |
| 4008 | return Pdata_clear(self->stack, i+1); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4009 | } |
| 4010 | |
| 4011 | |
| 4012 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4013 | noload_inst(Unpicklerobject *self) |
| 4014 | { |
| 4015 | int i; |
| 4016 | char *s; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4017 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4018 | if ((i = marker(self)) < 0) return -1; |
| 4019 | Pdata_clear(self->stack, i); |
| 4020 | if ((*self->readline_func)(self, &s) < 0) return -1; |
| 4021 | if ((*self->readline_func)(self, &s) < 0) return -1; |
| 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 |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4027 | noload_global(Unpicklerobject *self) |
| 4028 | { |
| 4029 | char *s; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4030 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4031 | if ((*self->readline_func)(self, &s) < 0) return -1; |
| 4032 | if ((*self->readline_func)(self, &s) < 0) return -1; |
| 4033 | PDATA_APPEND(self->stack, Py_None,-1); |
| 4034 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4035 | } |
| 4036 | |
| 4037 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4038 | noload_reduce(Unpicklerobject *self) |
| 4039 | { |
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 | if (self->stack->length < 2) return stackUnderflow(); |
| 4042 | Pdata_clear(self->stack, self->stack->length-2); |
| 4043 | PDATA_APPEND(self->stack, Py_None,-1); |
| 4044 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4045 | } |
| 4046 | |
| 4047 | static int |
| 4048 | noload_build(Unpicklerobject *self) { |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4049 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 4050 | if (self->stack->length < 1) return stackUnderflow(); |
| 4051 | Pdata_clear(self->stack, self->stack->length-1); |
Guido van Rossum | 50f385c | 1998-12-04 18:48:44 +0000 | [diff] [blame] | 4052 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4053 | } |
| 4054 | |
| 4055 | |
| 4056 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4057 | noload(Unpicklerobject *self) |
| 4058 | { |
| 4059 | PyObject *err = 0, *val = 0; |
| 4060 | char *s; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4061 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4062 | self->num_marks = 0; |
| 4063 | Pdata_clear(self->stack, 0); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4064 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4065 | while (1) { |
| 4066 | if ((*self->read_func)(self, &s, 1) < 0) |
| 4067 | break; |
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 | switch (s[0]) { |
| 4070 | case NONE: |
| 4071 | if (load_none(self) < 0) |
| 4072 | break; |
| 4073 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4074 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4075 | case BININT: |
| 4076 | if (load_binint(self) < 0) |
| 4077 | break; |
| 4078 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4079 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4080 | case BININT1: |
| 4081 | if (load_binint1(self) < 0) |
| 4082 | break; |
| 4083 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4084 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4085 | case BININT2: |
| 4086 | if (load_binint2(self) < 0) |
| 4087 | break; |
| 4088 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4089 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4090 | case INT: |
| 4091 | if (load_int(self) < 0) |
| 4092 | break; |
| 4093 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4094 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4095 | case LONG: |
| 4096 | if (load_long(self) < 0) |
| 4097 | break; |
| 4098 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4099 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4100 | case FLOAT: |
| 4101 | if (load_float(self) < 0) |
| 4102 | break; |
| 4103 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4104 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4105 | case BINFLOAT: |
| 4106 | if (load_binfloat(self) < 0) |
| 4107 | break; |
| 4108 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4109 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4110 | case BINSTRING: |
| 4111 | if (load_binstring(self) < 0) |
| 4112 | break; |
| 4113 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4114 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4115 | case SHORT_BINSTRING: |
| 4116 | if (load_short_binstring(self) < 0) |
| 4117 | break; |
| 4118 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4119 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4120 | case STRING: |
| 4121 | if (load_string(self) < 0) |
| 4122 | break; |
| 4123 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4124 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4125 | #ifdef Py_USING_UNICODE |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4126 | case UNICODE: |
| 4127 | if (load_unicode(self) < 0) |
| 4128 | break; |
| 4129 | continue; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4130 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4131 | case BINUNICODE: |
| 4132 | if (load_binunicode(self) < 0) |
| 4133 | break; |
| 4134 | continue; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4135 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4136 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4137 | case EMPTY_TUPLE: |
| 4138 | if (load_empty_tuple(self) < 0) |
| 4139 | break; |
| 4140 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4141 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4142 | case TUPLE: |
| 4143 | if (load_tuple(self) < 0) |
| 4144 | break; |
| 4145 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4146 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4147 | case EMPTY_LIST: |
| 4148 | if (load_empty_list(self) < 0) |
| 4149 | break; |
| 4150 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4151 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4152 | case LIST: |
| 4153 | if (load_list(self) < 0) |
| 4154 | break; |
| 4155 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4156 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4157 | case EMPTY_DICT: |
| 4158 | if (load_empty_dict(self) < 0) |
| 4159 | break; |
| 4160 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4161 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4162 | case DICT: |
| 4163 | if (load_dict(self) < 0) |
| 4164 | break; |
| 4165 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4166 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4167 | case OBJ: |
| 4168 | if (noload_obj(self) < 0) |
| 4169 | break; |
| 4170 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4171 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4172 | case INST: |
| 4173 | if (noload_inst(self) < 0) |
| 4174 | break; |
| 4175 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4176 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4177 | case GLOBAL: |
| 4178 | if (noload_global(self) < 0) |
| 4179 | break; |
| 4180 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4181 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4182 | case APPEND: |
| 4183 | if (load_append(self) < 0) |
| 4184 | break; |
| 4185 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4186 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4187 | case APPENDS: |
| 4188 | if (load_appends(self) < 0) |
| 4189 | break; |
| 4190 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4191 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4192 | case BUILD: |
| 4193 | if (noload_build(self) < 0) |
| 4194 | break; |
| 4195 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4196 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4197 | case DUP: |
| 4198 | if (load_dup(self) < 0) |
| 4199 | break; |
| 4200 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4201 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4202 | case BINGET: |
| 4203 | if (load_binget(self) < 0) |
| 4204 | break; |
| 4205 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4206 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4207 | case LONG_BINGET: |
| 4208 | if (load_long_binget(self) < 0) |
| 4209 | break; |
| 4210 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4211 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4212 | case GET: |
| 4213 | if (load_get(self) < 0) |
| 4214 | break; |
| 4215 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4216 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4217 | case MARK: |
| 4218 | if (load_mark(self) < 0) |
| 4219 | break; |
| 4220 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4221 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4222 | case BINPUT: |
| 4223 | if (load_binput(self) < 0) |
| 4224 | break; |
| 4225 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4226 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4227 | case LONG_BINPUT: |
| 4228 | if (load_long_binput(self) < 0) |
| 4229 | break; |
| 4230 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4231 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4232 | case PUT: |
| 4233 | if (load_put(self) < 0) |
| 4234 | break; |
| 4235 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4236 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4237 | case POP: |
| 4238 | if (load_pop(self) < 0) |
| 4239 | break; |
| 4240 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4241 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4242 | case POP_MARK: |
| 4243 | if (load_pop_mark(self) < 0) |
| 4244 | break; |
| 4245 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4246 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4247 | case SETITEM: |
| 4248 | if (load_setitem(self) < 0) |
| 4249 | break; |
| 4250 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4251 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4252 | case SETITEMS: |
| 4253 | if (load_setitems(self) < 0) |
| 4254 | break; |
| 4255 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4256 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4257 | case STOP: |
| 4258 | break; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4259 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4260 | case PERSID: |
| 4261 | if (load_persid(self) < 0) |
| 4262 | break; |
| 4263 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4264 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4265 | case BINPERSID: |
| 4266 | if (load_binpersid(self) < 0) |
| 4267 | break; |
| 4268 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4269 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4270 | case REDUCE: |
| 4271 | if (noload_reduce(self) < 0) |
| 4272 | break; |
| 4273 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4274 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4275 | default: |
| 4276 | cPickle_ErrFormat(UnpicklingError, |
| 4277 | "invalid load key, '%s'.", |
| 4278 | "c", s[0]); |
| 4279 | return NULL; |
| 4280 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4281 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4282 | break; |
| 4283 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4284 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4285 | if ((err = PyErr_Occurred())) { |
| 4286 | if (err == PyExc_EOFError) { |
| 4287 | PyErr_SetNone(PyExc_EOFError); |
| 4288 | } |
| 4289 | return NULL; |
| 4290 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4291 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4292 | PDATA_POP(self->stack, val); |
| 4293 | return val; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4294 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4295 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4296 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4297 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4298 | Unpickler_load(Unpicklerobject *self, PyObject *args) |
| 4299 | { |
| 4300 | if (!( PyArg_ParseTuple(args, ":load"))) |
| 4301 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4302 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4303 | return load(self); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4304 | } |
| 4305 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4306 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4307 | Unpickler_noload(Unpicklerobject *self, PyObject *args) |
| 4308 | { |
| 4309 | if (!( PyArg_ParseTuple(args, ":noload"))) |
| 4310 | return NULL; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4311 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4312 | return noload(self); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4313 | } |
| 4314 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4315 | |
| 4316 | static struct PyMethodDef Unpickler_methods[] = { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4317 | {"load", (PyCFunction)Unpickler_load, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4318 | "load() -- Load a pickle" |
| 4319 | }, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4320 | {"noload", (PyCFunction)Unpickler_noload, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4321 | "noload() -- not load a pickle, but go through most of the motions\n" |
| 4322 | "\n" |
| 4323 | "This function can be used to read past a pickle without instantiating\n" |
| 4324 | "any objects or importing any modules. It can also be used to find all\n" |
| 4325 | "persistent references without instantiating any objects or importing\n" |
| 4326 | "any modules.\n" |
| 4327 | }, |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4328 | {NULL, NULL} /* sentinel */ |
| 4329 | }; |
| 4330 | |
| 4331 | |
| 4332 | static Unpicklerobject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4333 | newUnpicklerobject(PyObject *f) |
| 4334 | { |
| 4335 | Unpicklerobject *self; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4336 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4337 | if (!( self = PyObject_New(Unpicklerobject, &Unpicklertype))) |
| 4338 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4339 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4340 | self->file = NULL; |
| 4341 | self->arg = NULL; |
| 4342 | self->stack = (Pdata*)Pdata_New(); |
| 4343 | self->pers_func = NULL; |
| 4344 | self->last_string = NULL; |
| 4345 | self->marks = NULL; |
| 4346 | self->num_marks = 0; |
| 4347 | self->marks_size = 0; |
| 4348 | self->buf_size = 0; |
| 4349 | self->read = NULL; |
| 4350 | self->readline = NULL; |
| 4351 | self->safe_constructors = NULL; |
| 4352 | self->find_class = NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4353 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4354 | if (!( self->memo = PyDict_New())) |
| 4355 | goto err; |
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 | Py_INCREF(f); |
| 4358 | self->file = f; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4359 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4360 | /* Set read, readline based on type of f */ |
| 4361 | if (PyFile_Check(f)) { |
| 4362 | self->fp = PyFile_AsFile(f); |
| 4363 | if (self->fp == NULL) { |
| 4364 | PyErr_SetString(PyExc_ValueError, |
| 4365 | "I/O operation on closed file"); |
| 4366 | goto err; |
| 4367 | } |
| 4368 | self->read_func = read_file; |
| 4369 | self->readline_func = readline_file; |
Guido van Rossum | c91fcaa | 1999-03-29 20:00:14 +0000 | [diff] [blame] | 4370 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4371 | else if (PycStringIO_InputCheck(f)) { |
| 4372 | self->fp = NULL; |
| 4373 | self->read_func = read_cStringIO; |
| 4374 | self->readline_func = readline_cStringIO; |
| 4375 | } |
| 4376 | else { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4377 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4378 | self->fp = NULL; |
| 4379 | self->read_func = read_other; |
| 4380 | self->readline_func = readline_other; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4381 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4382 | if (!( (self->readline = PyObject_GetAttr(f, readline_str)) && |
| 4383 | (self->read = PyObject_GetAttr(f, read_str)))) { |
| 4384 | PyErr_Clear(); |
| 4385 | PyErr_SetString( PyExc_TypeError, |
| 4386 | "argument must have 'read' and " |
| 4387 | "'readline' attributes" ); |
| 4388 | goto err; |
| 4389 | } |
| 4390 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4391 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4392 | if (PyEval_GetRestricted()) { |
| 4393 | /* Restricted execution, get private tables */ |
| 4394 | PyObject *m; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4395 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4396 | if (!( m=PyImport_Import(copy_reg_str))) goto err; |
| 4397 | self->safe_constructors=PyObject_GetAttr(m, |
| 4398 | safe_constructors_str); |
| 4399 | Py_DECREF(m); |
| 4400 | if (!( self->safe_constructors )) goto err; |
| 4401 | } |
| 4402 | else { |
| 4403 | self->safe_constructors=safe_constructors; |
| 4404 | Py_INCREF(safe_constructors); |
| 4405 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4406 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4407 | return self; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4408 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4409 | err: |
| 4410 | Py_DECREF((PyObject *)self); |
| 4411 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4412 | } |
| 4413 | |
| 4414 | |
| 4415 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4416 | get_Unpickler(PyObject *self, PyObject *args) |
| 4417 | { |
| 4418 | PyObject *file; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4419 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4420 | if (!( PyArg_ParseTuple(args, "O:Unpickler", &file))) |
| 4421 | return NULL; |
| 4422 | return (PyObject *)newUnpicklerobject(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4423 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4424 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4425 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4426 | static void |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4427 | Unpickler_dealloc(Unpicklerobject *self) |
| 4428 | { |
| 4429 | Py_XDECREF(self->readline); |
| 4430 | Py_XDECREF(self->read); |
| 4431 | Py_XDECREF(self->file); |
| 4432 | Py_XDECREF(self->memo); |
| 4433 | Py_XDECREF(self->stack); |
| 4434 | Py_XDECREF(self->pers_func); |
| 4435 | Py_XDECREF(self->arg); |
| 4436 | Py_XDECREF(self->last_string); |
| 4437 | Py_XDECREF(self->safe_constructors); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4438 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4439 | if (self->marks) { |
| 4440 | free(self->marks); |
| 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 | if (self->buf_size) { |
| 4444 | free(self->buf); |
| 4445 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4446 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4447 | PyObject_Del(self); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4448 | } |
| 4449 | |
| 4450 | |
| 4451 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4452 | Unpickler_getattr(Unpicklerobject *self, char *name) |
| 4453 | { |
| 4454 | if (!strcmp(name, "persistent_load")) { |
| 4455 | if (!self->pers_func) { |
| 4456 | PyErr_SetString(PyExc_AttributeError, name); |
| 4457 | return NULL; |
| 4458 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4459 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4460 | Py_INCREF(self->pers_func); |
| 4461 | return self->pers_func; |
| 4462 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4463 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4464 | if (!strcmp(name, "find_global")) { |
| 4465 | if (!self->find_class) { |
| 4466 | PyErr_SetString(PyExc_AttributeError, name); |
| 4467 | return NULL; |
| 4468 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 4469 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4470 | Py_INCREF(self->find_class); |
| 4471 | return self->find_class; |
| 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 (!strcmp(name, "memo")) { |
| 4475 | if (!self->memo) { |
| 4476 | PyErr_SetString(PyExc_AttributeError, name); |
| 4477 | return NULL; |
| 4478 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4479 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4480 | Py_INCREF(self->memo); |
| 4481 | return self->memo; |
| 4482 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4483 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4484 | if (!strcmp(name, "UnpicklingError")) { |
| 4485 | Py_INCREF(UnpicklingError); |
| 4486 | return UnpicklingError; |
| 4487 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4488 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4489 | return Py_FindMethod(Unpickler_methods, (PyObject *)self, name); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4490 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4491 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4492 | |
| 4493 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4494 | Unpickler_setattr(Unpicklerobject *self, char *name, PyObject *value) |
| 4495 | { |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 4496 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4497 | if (!strcmp(name, "persistent_load")) { |
| 4498 | Py_XDECREF(self->pers_func); |
| 4499 | self->pers_func = value; |
| 4500 | Py_XINCREF(value); |
| 4501 | return 0; |
| 4502 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 4503 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4504 | if (!strcmp(name, "find_global")) { |
| 4505 | Py_XDECREF(self->find_class); |
| 4506 | self->find_class = value; |
| 4507 | Py_XINCREF(value); |
| 4508 | return 0; |
| 4509 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 4510 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4511 | if (! value) { |
| 4512 | PyErr_SetString(PyExc_TypeError, |
| 4513 | "attribute deletion is not supported"); |
| 4514 | return -1; |
| 4515 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 4516 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4517 | if (strcmp(name, "memo") == 0) { |
| 4518 | if (!PyDict_Check(value)) { |
| 4519 | PyErr_SetString(PyExc_TypeError, |
| 4520 | "memo must be a dictionary"); |
| 4521 | return -1; |
| 4522 | } |
| 4523 | Py_XDECREF(self->memo); |
| 4524 | self->memo = value; |
| 4525 | Py_INCREF(value); |
| 4526 | return 0; |
| 4527 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 4528 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4529 | PyErr_SetString(PyExc_AttributeError, name); |
| 4530 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4531 | } |
| 4532 | |
| 4533 | |
| 4534 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4535 | cpm_dump(PyObject *self, PyObject *args) |
| 4536 | { |
| 4537 | PyObject *ob, *file, *res = NULL; |
| 4538 | Picklerobject *pickler = 0; |
| 4539 | int bin = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4540 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4541 | if (!( PyArg_ParseTuple(args, "OO|i", &ob, &file, &bin))) |
| 4542 | goto finally; |
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 | if (!( pickler = newPicklerobject(file, bin))) |
| 4545 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4546 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4547 | if (dump(pickler, ob) < 0) |
| 4548 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4549 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4550 | Py_INCREF(Py_None); |
| 4551 | res = Py_None; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4552 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4553 | finally: |
| 4554 | Py_XDECREF(pickler); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4555 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4556 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4557 | } |
| 4558 | |
| 4559 | |
| 4560 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4561 | cpm_dumps(PyObject *self, PyObject *args) |
| 4562 | { |
| 4563 | PyObject *ob, *file = 0, *res = NULL; |
| 4564 | Picklerobject *pickler = 0; |
| 4565 | int bin = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4566 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4567 | if (!( PyArg_ParseTuple(args, "O|i:dumps", &ob, &bin))) |
| 4568 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4569 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4570 | if (!( file = PycStringIO->NewOutput(128))) |
| 4571 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4572 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4573 | if (!( pickler = newPicklerobject(file, bin))) |
| 4574 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4575 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4576 | if (dump(pickler, ob) < 0) |
| 4577 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4578 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4579 | res = PycStringIO->cgetvalue(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4580 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4581 | finally: |
| 4582 | Py_XDECREF(pickler); |
| 4583 | Py_XDECREF(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4584 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4585 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4586 | } |
| 4587 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4588 | |
| 4589 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4590 | cpm_load(PyObject *self, PyObject *args) |
| 4591 | { |
| 4592 | Unpicklerobject *unpickler = 0; |
| 4593 | PyObject *ob, *res = NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4594 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4595 | if (!( PyArg_ParseTuple(args, "O:load", &ob))) |
| 4596 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4597 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4598 | if (!( unpickler = newUnpicklerobject(ob))) |
| 4599 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4600 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4601 | res = load(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4602 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4603 | finally: |
| 4604 | Py_XDECREF(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4605 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4606 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4607 | } |
| 4608 | |
| 4609 | |
| 4610 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4611 | cpm_loads(PyObject *self, PyObject *args) |
| 4612 | { |
| 4613 | PyObject *ob, *file = 0, *res = NULL; |
| 4614 | Unpicklerobject *unpickler = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4615 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4616 | if (!( PyArg_ParseTuple(args, "S:loads", &ob))) |
| 4617 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4618 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4619 | if (!( file = PycStringIO->NewInput(ob))) |
| 4620 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4621 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4622 | if (!( unpickler = newUnpicklerobject(file))) |
| 4623 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4624 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4625 | res = load(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4626 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4627 | finally: |
| 4628 | Py_XDECREF(file); |
| 4629 | Py_XDECREF(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4630 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4631 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4632 | } |
| 4633 | |
| 4634 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4635 | static char Unpicklertype__doc__[] = |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4636 | "Objects that know how to unpickle"; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4637 | |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 4638 | static PyTypeObject Unpicklertype = { |
| 4639 | PyObject_HEAD_INIT(NULL) |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4640 | 0, /*ob_size*/ |
Guido van Rossum | 1464839 | 2001-12-08 18:02:58 +0000 | [diff] [blame] | 4641 | "cPickle.Unpickler", /*tp_name*/ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4642 | sizeof(Unpicklerobject), /*tp_basicsize*/ |
| 4643 | 0, /*tp_itemsize*/ |
| 4644 | /* methods */ |
| 4645 | (destructor)Unpickler_dealloc, /*tp_dealloc*/ |
| 4646 | (printfunc)0, /*tp_print*/ |
| 4647 | (getattrfunc)Unpickler_getattr, /*tp_getattr*/ |
| 4648 | (setattrfunc)Unpickler_setattr, /*tp_setattr*/ |
| 4649 | (cmpfunc)0, /*tp_compare*/ |
| 4650 | (reprfunc)0, /*tp_repr*/ |
| 4651 | 0, /*tp_as_number*/ |
| 4652 | 0, /*tp_as_sequence*/ |
| 4653 | 0, /*tp_as_mapping*/ |
| 4654 | (hashfunc)0, /*tp_hash*/ |
| 4655 | (ternaryfunc)0, /*tp_call*/ |
| 4656 | (reprfunc)0, /*tp_str*/ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4657 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4658 | /* Space for future expansion */ |
| 4659 | 0L,0L,0L,0L, |
| 4660 | Unpicklertype__doc__ /* Documentation string */ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 4661 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4662 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4663 | static struct PyMethodDef cPickle_methods[] = { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4664 | {"dump", (PyCFunction)cpm_dump, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4665 | "dump(object, file, [binary]) --" |
| 4666 | "Write an object in pickle format to the given file\n" |
| 4667 | "\n" |
| 4668 | "If the optional argument, binary, is provided and is true, then the\n" |
| 4669 | "pickle will be written in binary format, which is more space and\n" |
| 4670 | "computationally efficient. \n" |
| 4671 | }, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4672 | {"dumps", (PyCFunction)cpm_dumps, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4673 | "dumps(object, [binary]) --" |
| 4674 | "Return a string containing an object in pickle format\n" |
| 4675 | "\n" |
| 4676 | "If the optional argument, binary, is provided and is true, then the\n" |
| 4677 | "pickle will be written in binary format, which is more space and\n" |
| 4678 | "computationally efficient. \n" |
| 4679 | }, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4680 | {"load", (PyCFunction)cpm_load, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4681 | "load(file) -- Load a pickle from the given file"}, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4682 | {"loads", (PyCFunction)cpm_loads, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4683 | "loads(string) -- Load a pickle from the given string"}, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4684 | {"Pickler", (PyCFunction)get_Pickler, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4685 | "Pickler(file, [binary]) -- Create a pickler\n" |
| 4686 | "\n" |
| 4687 | "If the optional argument, binary, is provided and is true, then\n" |
| 4688 | "pickles will be written in binary format, which is more space and\n" |
| 4689 | "computationally efficient. \n" |
| 4690 | }, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4691 | {"Unpickler", (PyCFunction)get_Unpickler, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4692 | "Unpickler(file) -- Create an unpickler"}, |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4693 | { NULL, NULL } |
| 4694 | }; |
| 4695 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4696 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4697 | init_stuff(PyObject *module_dict) |
| 4698 | { |
| 4699 | PyObject *copy_reg, *t, *r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4700 | |
Martin v. Löwis | 43c9d8a | 2002-04-01 12:34:33 +0000 | [diff] [blame] | 4701 | #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] | 4702 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4703 | INIT_STR(__class__); |
| 4704 | INIT_STR(__getinitargs__); |
| 4705 | INIT_STR(__dict__); |
| 4706 | INIT_STR(__getstate__); |
| 4707 | INIT_STR(__setstate__); |
| 4708 | INIT_STR(__name__); |
| 4709 | INIT_STR(__main__); |
| 4710 | INIT_STR(__reduce__); |
| 4711 | INIT_STR(write); |
| 4712 | INIT_STR(__safe_for_unpickling__); |
| 4713 | INIT_STR(append); |
| 4714 | INIT_STR(read); |
| 4715 | INIT_STR(readline); |
| 4716 | INIT_STR(copy_reg); |
| 4717 | INIT_STR(dispatch_table); |
| 4718 | INIT_STR(safe_constructors); |
| 4719 | INIT_STR(__basicnew__); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4720 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4721 | if (!( copy_reg = PyImport_ImportModule("copy_reg"))) |
| 4722 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4723 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4724 | /* These next few are special because we want to use different |
| 4725 | ones in restricted mode. */ |
| 4726 | dispatch_table = PyObject_GetAttr(copy_reg, dispatch_table_str); |
| 4727 | if (!dispatch_table) |
| 4728 | return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4729 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4730 | if (!( safe_constructors = PyObject_GetAttr(copy_reg, |
| 4731 | safe_constructors_str))) |
| 4732 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4733 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4734 | Py_DECREF(copy_reg); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4735 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4736 | /* Down to here ********************************** */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4737 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4738 | if (!( empty_tuple = PyTuple_New(0))) |
| 4739 | return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4740 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4741 | /* Ugh */ |
| 4742 | if (!( t=PyImport_ImportModule("__builtin__"))) return -1; |
| 4743 | if (PyDict_SetItemString(module_dict, "__builtins__", t) < 0) |
| 4744 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4745 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4746 | if (!( t=PyDict_New())) return -1; |
| 4747 | if (!( r=PyRun_String( |
| 4748 | "def __init__(self, *args): self.args=args\n\n" |
| 4749 | "def __str__(self):\n" |
| 4750 | " return self.args and ('%s' % self.args[0]) or '(what)'\n", |
| 4751 | Py_file_input, |
| 4752 | module_dict, t) )) return -1; |
| 4753 | Py_DECREF(r); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4754 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4755 | PickleError = PyErr_NewException("cPickle.PickleError", NULL, t); |
| 4756 | if (!PickleError) |
| 4757 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4758 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4759 | Py_DECREF(t); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4760 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4761 | PicklingError = PyErr_NewException("cPickle.PicklingError", |
| 4762 | PickleError, NULL); |
| 4763 | if (!PicklingError) |
| 4764 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4765 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4766 | if (!( t=PyDict_New())) return -1; |
| 4767 | if (!( r=PyRun_String( |
| 4768 | "def __init__(self, *args): self.args=args\n\n" |
| 4769 | "def __str__(self):\n" |
| 4770 | " a=self.args\n" |
| 4771 | " a=a and type(a[0]) or '(what)'\n" |
| 4772 | " return 'Cannot pickle %s objects' % a\n" |
| 4773 | , Py_file_input, |
| 4774 | module_dict, t) )) return -1; |
| 4775 | Py_DECREF(r); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4776 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4777 | if (!( UnpickleableError = PyErr_NewException( |
| 4778 | "cPickle.UnpickleableError", PicklingError, t))) |
| 4779 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4780 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4781 | Py_DECREF(t); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4782 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4783 | if (!( UnpicklingError = PyErr_NewException("cPickle.UnpicklingError", |
| 4784 | PickleError, NULL))) |
| 4785 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4786 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4787 | if (PyDict_SetItemString(module_dict, "PickleError", |
| 4788 | PickleError) < 0) |
| 4789 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4790 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4791 | if (PyDict_SetItemString(module_dict, "PicklingError", |
| 4792 | PicklingError) < 0) |
| 4793 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4794 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4795 | if (PyDict_SetItemString(module_dict, "UnpicklingError", |
| 4796 | UnpicklingError) < 0) |
| 4797 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4798 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4799 | if (PyDict_SetItemString(module_dict, "UnpickleableError", |
| 4800 | UnpickleableError) < 0) |
| 4801 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4802 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4803 | if (!( BadPickleGet = PyString_FromString("cPickle.BadPickleGet"))) |
| 4804 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4805 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4806 | if (PyDict_SetItemString(module_dict, "BadPickleGet", |
| 4807 | BadPickleGet) < 0) |
| 4808 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4809 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4810 | PycString_IMPORT; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 4811 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4812 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4813 | } |
| 4814 | |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 4815 | #ifndef DL_EXPORT /* declarations for DLL import/export */ |
| 4816 | #define DL_EXPORT(RTYPE) RTYPE |
| 4817 | #endif |
Guido van Rossum | 50f385c | 1998-12-04 18:48:44 +0000 | [diff] [blame] | 4818 | DL_EXPORT(void) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4819 | initcPickle(void) |
| 4820 | { |
| 4821 | PyObject *m, *d, *di, *v, *k; |
| 4822 | int i; |
| 4823 | char *rev="1.71"; |
| 4824 | PyObject *format_version; |
| 4825 | PyObject *compatible_formats; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4826 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4827 | Picklertype.ob_type = &PyType_Type; |
| 4828 | Picklertype.tp_getattro = PyObject_GenericGetAttr; |
| 4829 | Picklertype.tp_setattro = PyObject_GenericSetAttr; |
| 4830 | Unpicklertype.ob_type = &PyType_Type; |
| 4831 | PdataType.ob_type = &PyType_Type; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4832 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4833 | /* Initialize some pieces. We need to do this before module creation, |
| 4834 | so we're forced to use a temporary dictionary. :( |
| 4835 | */ |
| 4836 | di=PyDict_New(); |
| 4837 | if (!di) return; |
| 4838 | if (init_stuff(di) < 0) return; |
Guido van Rossum | ebba420 | 2000-09-07 14:35:37 +0000 | [diff] [blame] | 4839 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4840 | /* Create the module and add the functions */ |
| 4841 | m = Py_InitModule4("cPickle", cPickle_methods, |
| 4842 | cPickle_module_documentation, |
| 4843 | (PyObject*)NULL,PYTHON_API_VERSION); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4844 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4845 | /* Add some symbolic constants to the module */ |
| 4846 | d = PyModule_GetDict(m); |
| 4847 | PyDict_SetItemString(d,"__version__", v = PyString_FromString(rev)); |
| 4848 | Py_XDECREF(v); |
Barry Warsaw | 93d29b6 | 1997-01-14 17:45:08 +0000 | [diff] [blame] | 4849 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4850 | /* Copy data from di. Waaa. */ |
| 4851 | for (i=0; PyDict_Next(di, &i, &k, &v); ) { |
| 4852 | if (PyObject_SetItem(d, k, v) < 0) { |
| 4853 | Py_DECREF(di); |
| 4854 | return; |
| 4855 | } |
| 4856 | } |
| 4857 | Py_DECREF(di); |
Guido van Rossum | ebba420 | 2000-09-07 14:35:37 +0000 | [diff] [blame] | 4858 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4859 | format_version = PyString_FromString("1.3"); |
| 4860 | compatible_formats = Py_BuildValue("[sss]", "1.0", "1.1", "1.2"); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4861 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4862 | PyDict_SetItemString(d, "format_version", format_version); |
| 4863 | PyDict_SetItemString(d, "compatible_formats", compatible_formats); |
| 4864 | Py_XDECREF(format_version); |
| 4865 | Py_XDECREF(compatible_formats); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4866 | } |