Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1 | #include "Python.h" |
| 2 | #include "cStringIO.h" |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 3 | #include "structmember.h" |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame^] | 5 | PyDoc_STRVAR(cPickle_module_documentation, |
| 6 | "C implementation and optimization of the Python pickle module\n" |
| 7 | "\n" |
| 8 | "cPickle.c,v 1.71 1999/07/11 13:30:34 jim Exp\n"); |
| 9 | |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 10 | #ifndef Py_eval_input |
| 11 | #include <graminit.h> |
| 12 | #define Py_eval_input eval_input |
Guido van Rossum | c6ef204 | 1997-08-21 02:30:45 +0000 | [diff] [blame] | 13 | #endif /* Py_eval_input */ |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 14 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 15 | #include <errno.h> |
| 16 | |
Martin v. Löwis | 43c9d8a | 2002-04-01 12:34:33 +0000 | [diff] [blame] | 17 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 18 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 19 | #define DEL_LIST_SLICE(list, from, to) (PyList_SetSlice(list, from, to, NULL)) |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 20 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 21 | #define WRITE_BUF_SIZE 256 |
| 22 | |
Tim Peters | 3906eb8 | 2001-04-10 04:22:00 +0000 | [diff] [blame] | 23 | /* -------------------------------------------------------------------------- |
| 24 | NOTES on format codes. |
| 25 | XXX much more is needed here |
| 26 | |
| 27 | Integer types |
Tim Peters | d8ae7c2 | 2001-04-10 04:35:28 +0000 | [diff] [blame] | 28 | BININT1 8-bit unsigned integer; followed by 1 byte. |
Tim Peters | 3906eb8 | 2001-04-10 04:22:00 +0000 | [diff] [blame] | 29 | BININT2 16-bit unsigned integer; followed by 2 bytes, little-endian. |
Tim Peters | d8ae7c2 | 2001-04-10 04:35:28 +0000 | [diff] [blame] | 30 | BININT 32-bit signed integer; followed by 4 bytes, little-endian. |
| 31 | INT Integer; natural decimal string conversion, then newline. |
Tim Peters | 3906eb8 | 2001-04-10 04:22:00 +0000 | [diff] [blame] | 32 | CAUTION: INT-reading code can't assume that what follows |
| 33 | fits in a Python int, because the size of Python ints varies |
| 34 | across platforms. |
Tim Peters | d8ae7c2 | 2001-04-10 04:35:28 +0000 | [diff] [blame] | 35 | LONG Long (unbounded) integer; repr(i), then newline. |
Tim Peters | 3906eb8 | 2001-04-10 04:22:00 +0000 | [diff] [blame] | 36 | -------------------------------------------------------------------------- */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 37 | |
| 38 | #define MARK '(' |
| 39 | #define STOP '.' |
| 40 | #define POP '0' |
| 41 | #define POP_MARK '1' |
| 42 | #define DUP '2' |
| 43 | #define FLOAT 'F' |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 44 | #define BINFLOAT 'G' |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 45 | #define INT 'I' |
| 46 | #define BININT 'J' |
| 47 | #define BININT1 'K' |
| 48 | #define LONG 'L' |
| 49 | #define BININT2 'M' |
| 50 | #define NONE 'N' |
| 51 | #define PERSID 'P' |
| 52 | #define BINPERSID 'Q' |
| 53 | #define REDUCE 'R' |
| 54 | #define STRING 'S' |
| 55 | #define BINSTRING 'T' |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 56 | #define SHORT_BINSTRING 'U' |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 57 | #define UNICODE 'V' |
| 58 | #define BINUNICODE 'X' |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 59 | #define APPEND 'a' |
| 60 | #define BUILD 'b' |
| 61 | #define GLOBAL 'c' |
| 62 | #define DICT 'd' |
| 63 | #define EMPTY_DICT '}' |
| 64 | #define APPENDS 'e' |
| 65 | #define GET 'g' |
| 66 | #define BINGET 'h' |
| 67 | #define INST 'i' |
| 68 | #define LONG_BINGET 'j' |
| 69 | #define LIST 'l' |
| 70 | #define EMPTY_LIST ']' |
| 71 | #define OBJ 'o' |
| 72 | #define PUT 'p' |
| 73 | #define BINPUT 'q' |
| 74 | #define LONG_BINPUT 'r' |
| 75 | #define SETITEM 's' |
| 76 | #define TUPLE 't' |
| 77 | #define EMPTY_TUPLE ')' |
| 78 | #define SETITEMS 'u' |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 79 | #define TRUE "I01\n" |
| 80 | #define FALSE "I00\n" |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 81 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 82 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 83 | static char MARKv = MARK; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 84 | |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 85 | static PyObject *PickleError; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 86 | static PyObject *PicklingError; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 87 | static PyObject *UnpickleableError; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 88 | static PyObject *UnpicklingError; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 89 | static PyObject *BadPickleGet; |
| 90 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 91 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 92 | static PyObject *dispatch_table; |
| 93 | static PyObject *safe_constructors; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 94 | static PyObject *empty_tuple; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 95 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 96 | static PyObject *__class___str, *__getinitargs___str, *__dict___str, |
| 97 | *__getstate___str, *__setstate___str, *__name___str, *__reduce___str, |
| 98 | *write_str, *__safe_for_unpickling___str, *append_str, |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 99 | *read_str, *readline_str, *__main___str, *__basicnew___str, |
Fred Drake | 2c7a685 | 2001-07-17 18:34:03 +0000 | [diff] [blame] | 100 | *copy_reg_str, *dispatch_table_str, *safe_constructors_str; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 101 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 102 | /************************************************************************* |
| 103 | Internal Data type for pickle data. */ |
| 104 | |
| 105 | typedef struct { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 106 | PyObject_HEAD |
| 107 | int length, size; |
| 108 | PyObject **data; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 109 | } Pdata; |
| 110 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 111 | static void |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 112 | Pdata_dealloc(Pdata *self) |
| 113 | { |
| 114 | int i; |
| 115 | PyObject **p; |
| 116 | |
| 117 | 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] | 118 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 119 | if (self->data) free(self->data); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 120 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 121 | PyObject_Del(self); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 122 | } |
| 123 | |
| 124 | static PyTypeObject PdataType = { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 125 | PyObject_HEAD_INIT(NULL) 0, "cPickle.Pdata", sizeof(Pdata), 0, |
| 126 | (destructor)Pdata_dealloc, |
| 127 | 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] | 128 | }; |
| 129 | |
| 130 | #define Pdata_Check(O) ((O)->ob_type == &PdataType) |
| 131 | |
| 132 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 133 | Pdata_New(void) |
| 134 | { |
| 135 | Pdata *self; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 136 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 137 | if (!( self = PyObject_New(Pdata, &PdataType))) return NULL; |
| 138 | self->size=8; |
| 139 | self->length=0; |
| 140 | self->data=malloc(self->size * sizeof(PyObject*)); |
| 141 | if (self->data) return (PyObject*)self; |
| 142 | Py_DECREF(self); |
| 143 | return PyErr_NoMemory(); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 144 | } |
| 145 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 146 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 147 | stackUnderflow(void) |
| 148 | { |
| 149 | PyErr_SetString(UnpicklingError, "unpickling stack underflow"); |
| 150 | return -1; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 151 | } |
| 152 | |
| 153 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 154 | Pdata_clear(Pdata *self, int clearto) |
| 155 | { |
| 156 | int i; |
| 157 | PyObject **p; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 158 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 159 | if (clearto < 0) return stackUnderflow(); |
| 160 | if (clearto >= self->length) return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 161 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 162 | for (i=self->length, p=self->data+clearto; --i >= clearto; p++) |
| 163 | Py_DECREF(*p); |
| 164 | self->length=clearto; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 165 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 166 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 167 | } |
| 168 | |
| 169 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 170 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 171 | Pdata_grow(Pdata *self) |
| 172 | { |
| 173 | if (! self->size) { |
| 174 | PyErr_NoMemory(); |
| 175 | return -1; |
| 176 | } |
| 177 | self->size *= 2; |
| 178 | self->data = realloc(self->data, self->size*sizeof(PyObject*)); |
| 179 | if (! self->data) { |
| 180 | self->size = 0; |
| 181 | PyErr_NoMemory(); |
| 182 | return -1; |
| 183 | } |
| 184 | return 0; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 185 | } |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 186 | |
| 187 | #define PDATA_POP(D,V) { \ |
| 188 | if ((D)->length) V=D->data[--((D)->length)]; \ |
| 189 | else { \ |
| 190 | PyErr_SetString(UnpicklingError, "bad pickle data"); \ |
| 191 | V=NULL; \ |
| 192 | } \ |
| 193 | } |
| 194 | |
| 195 | |
| 196 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 197 | Pdata_popTuple(Pdata *self, int start) |
| 198 | { |
| 199 | PyObject *r; |
| 200 | int i, j, l; |
| 201 | |
| 202 | l=self->length-start; |
| 203 | if (!( r=PyTuple_New(l))) return NULL; |
| 204 | for (i=start, j=0 ; j < l; i++, j++) |
| 205 | PyTuple_SET_ITEM(r, j, self->data[i]); |
| 206 | |
| 207 | self->length=start; |
| 208 | return r; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 209 | } |
| 210 | |
| 211 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 212 | Pdata_popList(Pdata *self, int start) |
| 213 | { |
| 214 | PyObject *r; |
| 215 | int i, j, l; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 216 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 217 | l=self->length-start; |
| 218 | if (!( r=PyList_New(l))) return NULL; |
| 219 | for (i=start, j=0 ; j < l; i++, j++) |
| 220 | PyList_SET_ITEM(r, j, self->data[i]); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 221 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 222 | self->length=start; |
| 223 | return r; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 224 | } |
| 225 | |
| 226 | #define PDATA_APPEND_(D,O,ER) { \ |
| 227 | if (Pdata_Append(((Pdata*)(D)), O) < 0) return ER; \ |
| 228 | } |
| 229 | |
| 230 | #define PDATA_APPEND(D,O,ER) { \ |
| 231 | if (((Pdata*)(D))->length == ((Pdata*)(D))->size && \ |
| 232 | Pdata_grow((Pdata*)(D)) < 0) \ |
| 233 | return ER; \ |
| 234 | Py_INCREF(O); \ |
| 235 | ((Pdata*)(D))->data[((Pdata*)(D))->length++]=O; \ |
| 236 | } |
| 237 | |
| 238 | #define PDATA_PUSH(D,O,ER) { \ |
| 239 | if (((Pdata*)(D))->length == ((Pdata*)(D))->size && \ |
| 240 | Pdata_grow((Pdata*)(D)) < 0) { \ |
| 241 | Py_DECREF(O); \ |
| 242 | return ER; \ |
| 243 | } \ |
| 244 | ((Pdata*)(D))->data[((Pdata*)(D))->length++]=O; \ |
| 245 | } |
| 246 | |
| 247 | /*************************************************************************/ |
| 248 | |
| 249 | #define ARG_TUP(self, o) { \ |
| 250 | if (self->arg || (self->arg=PyTuple_New(1))) { \ |
| 251 | Py_XDECREF(PyTuple_GET_ITEM(self->arg,0)); \ |
| 252 | PyTuple_SET_ITEM(self->arg,0,o); \ |
| 253 | } \ |
| 254 | else { \ |
| 255 | Py_DECREF(o); \ |
| 256 | } \ |
| 257 | } |
| 258 | |
| 259 | #define FREE_ARG_TUP(self) { \ |
| 260 | if (self->arg->ob_refcnt > 1) { \ |
| 261 | Py_DECREF(self->arg); \ |
| 262 | self->arg=NULL; \ |
| 263 | } \ |
| 264 | } |
| 265 | |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 266 | typedef struct Picklerobject { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 267 | PyObject_HEAD |
| 268 | FILE *fp; |
| 269 | PyObject *write; |
| 270 | PyObject *file; |
| 271 | PyObject *memo; |
| 272 | PyObject *arg; |
| 273 | PyObject *pers_func; |
| 274 | PyObject *inst_pers_func; |
| 275 | int bin; |
| 276 | int fast; /* Fast mode doesn't save in memo, don't use if circ ref */ |
| 277 | int (*write_func)(struct Picklerobject *, char *, int); |
| 278 | char *write_buf; |
| 279 | int buf_size; |
| 280 | PyObject *dispatch_table; |
| 281 | int fast_container; /* count nested container dumps */ |
| 282 | PyObject *fast_memo; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 283 | } Picklerobject; |
| 284 | |
Barry Warsaw | 52acb49 | 2001-12-21 20:04:22 +0000 | [diff] [blame] | 285 | #ifndef PY_CPICKLE_FAST_LIMIT |
| 286 | #define PY_CPICKLE_FAST_LIMIT 50 |
| 287 | #endif |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 288 | |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 289 | staticforward PyTypeObject Picklertype; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 290 | |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 291 | typedef struct Unpicklerobject { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 292 | PyObject_HEAD |
| 293 | FILE *fp; |
| 294 | PyObject *file; |
| 295 | PyObject *readline; |
| 296 | PyObject *read; |
| 297 | PyObject *memo; |
| 298 | PyObject *arg; |
| 299 | Pdata *stack; |
| 300 | PyObject *mark; |
| 301 | PyObject *pers_func; |
| 302 | PyObject *last_string; |
| 303 | int *marks; |
| 304 | int num_marks; |
| 305 | int marks_size; |
| 306 | int (*read_func)(struct Unpicklerobject *, char **, int); |
| 307 | int (*readline_func)(struct Unpicklerobject *, char **); |
| 308 | int buf_size; |
| 309 | char *buf; |
| 310 | PyObject *safe_constructors; |
| 311 | PyObject *find_class; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 312 | } Unpicklerobject; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 313 | |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 314 | staticforward PyTypeObject Unpicklertype; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 315 | |
Thomas Wouters | 4789b3a | 2000-07-24 11:36:47 +0000 | [diff] [blame] | 316 | /* Forward decls that need the above structs */ |
| 317 | static int save(Picklerobject *, PyObject *, int); |
| 318 | static int put2(Picklerobject *, PyObject *); |
| 319 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 320 | int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 321 | cPickle_PyMapping_HasKey(PyObject *o, PyObject *key) |
| 322 | { |
| 323 | PyObject *v; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 324 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 325 | if ((v = PyObject_GetItem(o,key))) { |
| 326 | Py_DECREF(v); |
| 327 | return 1; |
| 328 | } |
| 329 | |
| 330 | PyErr_Clear(); |
| 331 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 332 | } |
| 333 | |
Guido van Rossum | d385d59 | 1997-04-09 17:47:47 +0000 | [diff] [blame] | 334 | static |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 335 | PyObject * |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 336 | cPickle_ErrFormat(PyObject *ErrType, char *stringformat, char *format, ...) |
| 337 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 338 | va_list va; |
| 339 | PyObject *args=0, *retval=0; |
| 340 | va_start(va, format); |
| 341 | |
| 342 | if (format) args = Py_VaBuildValue(format, va); |
| 343 | va_end(va); |
| 344 | if (format && ! args) return NULL; |
| 345 | if (stringformat && !(retval=PyString_FromString(stringformat))) |
| 346 | return NULL; |
| 347 | |
| 348 | if (retval) { |
| 349 | if (args) { |
| 350 | PyObject *v; |
| 351 | v=PyString_Format(retval, args); |
| 352 | Py_DECREF(retval); |
| 353 | Py_DECREF(args); |
| 354 | if (! v) return NULL; |
| 355 | retval=v; |
| 356 | } |
| 357 | } |
| 358 | else |
| 359 | if (args) retval=args; |
| 360 | else { |
| 361 | PyErr_SetObject(ErrType,Py_None); |
| 362 | return NULL; |
| 363 | } |
| 364 | PyErr_SetObject(ErrType,retval); |
| 365 | Py_DECREF(retval); |
| 366 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 367 | } |
| 368 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 369 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 370 | write_file(Picklerobject *self, char *s, int n) |
| 371 | { |
| 372 | size_t nbyteswritten; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 373 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 374 | if (s == NULL) { |
| 375 | return 0; |
| 376 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 377 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 378 | Py_BEGIN_ALLOW_THREADS |
| 379 | nbyteswritten = fwrite(s, sizeof(char), n, self->fp); |
| 380 | Py_END_ALLOW_THREADS |
| 381 | if (nbyteswritten != (size_t)n) { |
| 382 | PyErr_SetFromErrno(PyExc_IOError); |
| 383 | return -1; |
| 384 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 385 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 386 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 387 | } |
| 388 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 389 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 390 | write_cStringIO(Picklerobject *self, char *s, int n) |
| 391 | { |
| 392 | if (s == NULL) { |
| 393 | return 0; |
| 394 | } |
| 395 | |
| 396 | if (PycStringIO->cwrite((PyObject *)self->file, s, n) != n) { |
| 397 | return -1; |
| 398 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 399 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 400 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 401 | } |
| 402 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 403 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 404 | write_none(Picklerobject *self, char *s, int n) |
| 405 | { |
| 406 | if (s == NULL) return 0; |
| 407 | return n; |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 408 | } |
| 409 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 410 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 411 | write_other(Picklerobject *self, char *s, int n) |
| 412 | { |
| 413 | PyObject *py_str = 0, *junk = 0; |
| 414 | |
| 415 | if (s == NULL) { |
| 416 | if (!( self->buf_size )) return 0; |
| 417 | py_str = PyString_FromStringAndSize(self->write_buf, |
| 418 | self->buf_size); |
| 419 | if (!py_str) |
| 420 | return -1; |
| 421 | } |
| 422 | else { |
| 423 | if (self->buf_size && (n + self->buf_size) > WRITE_BUF_SIZE) { |
| 424 | if (write_other(self, NULL, 0) < 0) |
| 425 | return -1; |
| 426 | } |
| 427 | |
| 428 | if (n > WRITE_BUF_SIZE) { |
| 429 | if (!( py_str = |
| 430 | PyString_FromStringAndSize(s, n))) |
| 431 | return -1; |
| 432 | } |
| 433 | else { |
| 434 | memcpy(self->write_buf + self->buf_size, s, n); |
| 435 | self->buf_size += n; |
| 436 | return n; |
| 437 | } |
| 438 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 439 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 440 | if (self->write) { |
| 441 | /* object with write method */ |
| 442 | ARG_TUP(self, py_str); |
| 443 | if (self->arg) { |
| 444 | junk = PyObject_Call(self->write, self->arg, NULL); |
| 445 | FREE_ARG_TUP(self); |
| 446 | } |
| 447 | if (junk) Py_DECREF(junk); |
| 448 | else return -1; |
| 449 | } |
| 450 | else |
| 451 | PDATA_PUSH(self->file, py_str, -1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 452 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 453 | self->buf_size = 0; |
| 454 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 455 | } |
| 456 | |
| 457 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 458 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 459 | read_file(Unpicklerobject *self, char **s, int n) |
| 460 | { |
| 461 | size_t nbytesread; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 462 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 463 | if (self->buf_size == 0) { |
| 464 | int size; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 465 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 466 | size = ((n < 32) ? 32 : n); |
| 467 | if (!( self->buf = (char *)malloc(size * sizeof(char)))) { |
| 468 | PyErr_NoMemory(); |
| 469 | return -1; |
| 470 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 471 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 472 | self->buf_size = size; |
| 473 | } |
| 474 | else if (n > self->buf_size) { |
| 475 | self->buf = (char *)realloc(self->buf, n * sizeof(char)); |
| 476 | if (!self->buf) { |
| 477 | PyErr_NoMemory(); |
| 478 | return -1; |
| 479 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 480 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 481 | self->buf_size = n; |
| 482 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 483 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 484 | Py_BEGIN_ALLOW_THREADS |
| 485 | nbytesread = fread(self->buf, sizeof(char), n, self->fp); |
| 486 | Py_END_ALLOW_THREADS |
| 487 | if (nbytesread != (size_t)n) { |
| 488 | if (feof(self->fp)) { |
| 489 | PyErr_SetNone(PyExc_EOFError); |
| 490 | return -1; |
| 491 | } |
| 492 | |
| 493 | PyErr_SetFromErrno(PyExc_IOError); |
| 494 | return -1; |
| 495 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 496 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 497 | *s = self->buf; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 498 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 499 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 500 | } |
| 501 | |
| 502 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 503 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 504 | readline_file(Unpicklerobject *self, char **s) |
| 505 | { |
| 506 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 507 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 508 | if (self->buf_size == 0) { |
| 509 | if (!( self->buf = (char *)malloc(40 * sizeof(char)))) { |
| 510 | PyErr_NoMemory(); |
| 511 | return -1; |
| 512 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 513 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 514 | self->buf_size = 40; |
| 515 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 516 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 517 | i = 0; |
| 518 | while (1) { |
| 519 | for (; i < (self->buf_size - 1); i++) { |
| 520 | if (feof(self->fp) || |
| 521 | (self->buf[i] = getc(self->fp)) == '\n') { |
| 522 | self->buf[i + 1] = '\0'; |
| 523 | *s = self->buf; |
| 524 | return i + 1; |
| 525 | } |
| 526 | } |
| 527 | self->buf = (char *)realloc(self->buf, |
| 528 | (self->buf_size * 2) * sizeof(char)); |
| 529 | if (!self->buf) { |
| 530 | PyErr_NoMemory(); |
| 531 | return -1; |
| 532 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 533 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 534 | self->buf_size *= 2; |
| 535 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 536 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 537 | |
| 538 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 539 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 540 | read_cStringIO(Unpicklerobject *self, char **s, int n) |
| 541 | { |
| 542 | char *ptr; |
| 543 | |
| 544 | if (PycStringIO->cread((PyObject *)self->file, &ptr, n) != n) { |
| 545 | PyErr_SetNone(PyExc_EOFError); |
| 546 | return -1; |
| 547 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 548 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 549 | *s = ptr; |
| 550 | |
| 551 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 552 | } |
| 553 | |
| 554 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 555 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 556 | readline_cStringIO(Unpicklerobject *self, char **s) |
| 557 | { |
| 558 | int n; |
| 559 | char *ptr; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 560 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 561 | if ((n = PycStringIO->creadline((PyObject *)self->file, &ptr)) < 0) { |
| 562 | return -1; |
| 563 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 564 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 565 | *s = ptr; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 566 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 567 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 568 | } |
| 569 | |
| 570 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 571 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 572 | read_other(Unpicklerobject *self, char **s, int n) |
| 573 | { |
| 574 | PyObject *bytes, *str=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 575 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 576 | if (!( bytes = PyInt_FromLong(n))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 577 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 578 | ARG_TUP(self, bytes); |
| 579 | if (self->arg) { |
| 580 | str = PyObject_Call(self->read, self->arg, NULL); |
| 581 | FREE_ARG_TUP(self); |
| 582 | } |
| 583 | if (! str) return -1; |
| 584 | |
| 585 | Py_XDECREF(self->last_string); |
| 586 | self->last_string = str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 587 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 588 | if (! (*s = PyString_AsString(str))) return -1; |
| 589 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 590 | } |
| 591 | |
| 592 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 593 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 594 | readline_other(Unpicklerobject *self, char **s) |
| 595 | { |
| 596 | PyObject *str; |
| 597 | int str_size; |
| 598 | |
| 599 | if (!( str = PyObject_CallObject(self->readline, empty_tuple))) { |
| 600 | return -1; |
| 601 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 602 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 603 | if ((str_size = PyString_Size(str)) < 0) |
| 604 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 605 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 606 | Py_XDECREF(self->last_string); |
| 607 | self->last_string = str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 608 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 609 | if (! (*s = PyString_AsString(str))) |
| 610 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 611 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 612 | return str_size; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 613 | } |
| 614 | |
| 615 | |
| 616 | static char * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 617 | pystrndup(char *s, int l) |
| 618 | { |
| 619 | char *r; |
| 620 | if (!( r=malloc((l+1)*sizeof(char)))) return (char*)PyErr_NoMemory(); |
| 621 | memcpy(r,s,l); |
| 622 | r[l]=0; |
| 623 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 624 | } |
| 625 | |
| 626 | |
| 627 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 628 | get(Picklerobject *self, PyObject *id) |
| 629 | { |
| 630 | PyObject *value, *mv; |
| 631 | long c_value; |
| 632 | char s[30]; |
| 633 | size_t len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 634 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 635 | if (!( mv = PyDict_GetItem(self->memo, id))) { |
| 636 | PyErr_SetObject(PyExc_KeyError, id); |
| 637 | return -1; |
| 638 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 639 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 640 | if (!( value = PyTuple_GetItem(mv, 0))) |
| 641 | return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 642 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 643 | if (!( PyInt_Check(value))) { |
| 644 | PyErr_SetString(PicklingError, "no int where int expected in memo"); |
| 645 | return -1; |
| 646 | } |
| 647 | c_value = PyInt_AS_LONG((PyIntObject*)value); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 648 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 649 | if (!self->bin) { |
| 650 | s[0] = GET; |
| 651 | PyOS_snprintf(s + 1, sizeof(s) - 1, "%ld\n", c_value); |
| 652 | len = strlen(s); |
| 653 | } |
| 654 | else if (Pdata_Check(self->file)) { |
| 655 | if (write_other(self, NULL, 0) < 0) return -1; |
| 656 | PDATA_APPEND(self->file, mv, -1); |
| 657 | return 0; |
| 658 | } |
| 659 | else { |
| 660 | if (c_value < 256) { |
| 661 | s[0] = BINGET; |
| 662 | s[1] = (int)(c_value & 0xff); |
| 663 | len = 2; |
| 664 | } |
| 665 | else { |
| 666 | s[0] = LONG_BINGET; |
| 667 | s[1] = (int)(c_value & 0xff); |
| 668 | s[2] = (int)((c_value >> 8) & 0xff); |
| 669 | s[3] = (int)((c_value >> 16) & 0xff); |
| 670 | s[4] = (int)((c_value >> 24) & 0xff); |
| 671 | len = 5; |
| 672 | } |
| 673 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 674 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 675 | if ((*self->write_func)(self, s, len) < 0) |
| 676 | return -1; |
| 677 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 678 | return 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 679 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 680 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 681 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 682 | static int |
| 683 | put(Picklerobject *self, PyObject *ob) |
| 684 | { |
| 685 | if (ob->ob_refcnt < 2 || self->fast) |
| 686 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 687 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 688 | return put2(self, ob); |
| 689 | } |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 690 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 691 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 692 | static int |
| 693 | put2(Picklerobject *self, PyObject *ob) |
| 694 | { |
| 695 | char c_str[30]; |
| 696 | int p; |
| 697 | size_t len; |
| 698 | int res = -1; |
| 699 | PyObject *py_ob_id = 0, *memo_len = 0, *t = 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 700 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 701 | if (self->fast) |
| 702 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 703 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 704 | if ((p = PyDict_Size(self->memo)) < 0) |
| 705 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 706 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 707 | /* Make sure memo keys are positive! */ |
| 708 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 709 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 710 | if (!( py_ob_id = PyLong_FromVoidPtr(ob))) |
| 711 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 712 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 713 | if (!( memo_len = PyInt_FromLong(p))) |
| 714 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 715 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 716 | if (!( t = PyTuple_New(2))) |
| 717 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 718 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 719 | PyTuple_SET_ITEM(t, 0, memo_len); |
| 720 | Py_INCREF(memo_len); |
| 721 | PyTuple_SET_ITEM(t, 1, ob); |
| 722 | Py_INCREF(ob); |
| 723 | |
| 724 | if (PyDict_SetItem(self->memo, py_ob_id, t) < 0) |
| 725 | goto finally; |
| 726 | |
| 727 | if (!self->bin) { |
| 728 | c_str[0] = PUT; |
| 729 | PyOS_snprintf(c_str + 1, sizeof(c_str) - 1, "%d\n", p); |
| 730 | len = strlen(c_str); |
| 731 | } |
| 732 | else if (Pdata_Check(self->file)) { |
| 733 | if (write_other(self, NULL, 0) < 0) return -1; |
| 734 | PDATA_APPEND(self->file, memo_len, -1); |
| 735 | res=0; /* Job well done ;) */ |
| 736 | goto finally; |
| 737 | } |
| 738 | else { |
| 739 | if (p >= 256) { |
| 740 | c_str[0] = LONG_BINPUT; |
| 741 | c_str[1] = (int)(p & 0xff); |
| 742 | c_str[2] = (int)((p >> 8) & 0xff); |
| 743 | c_str[3] = (int)((p >> 16) & 0xff); |
| 744 | c_str[4] = (int)((p >> 24) & 0xff); |
| 745 | len = 5; |
| 746 | } |
| 747 | else { |
| 748 | c_str[0] = BINPUT; |
| 749 | c_str[1] = p; |
| 750 | len = 2; |
| 751 | } |
| 752 | } |
| 753 | |
| 754 | if ((*self->write_func)(self, c_str, len) < 0) |
| 755 | goto finally; |
| 756 | |
| 757 | res = 0; |
| 758 | |
| 759 | finally: |
| 760 | Py_XDECREF(py_ob_id); |
| 761 | Py_XDECREF(memo_len); |
| 762 | Py_XDECREF(t); |
| 763 | |
| 764 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 765 | } |
| 766 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 767 | #define PyImport_Import cPickle_Import |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 768 | |
| 769 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 770 | PyImport_Import(PyObject *module_name) |
| 771 | { |
| 772 | static PyObject *silly_list=0, *__builtins___str=0, *__import___str; |
| 773 | static PyObject *standard_builtins=0; |
| 774 | PyObject *globals=0, *__import__=0, *__builtins__=0, *r=0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 775 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 776 | if (!( silly_list )) { |
| 777 | if (!( __import___str=PyString_FromString("__import__"))) |
| 778 | return NULL; |
| 779 | if (!( __builtins___str=PyString_FromString("__builtins__"))) |
| 780 | return NULL; |
| 781 | if (!( silly_list=Py_BuildValue("[s]","__doc__"))) |
| 782 | return NULL; |
| 783 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 784 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 785 | if ((globals=PyEval_GetGlobals())) { |
| 786 | Py_INCREF(globals); |
| 787 | __builtins__=PyObject_GetItem(globals,__builtins___str); |
| 788 | if (!__builtins__) |
| 789 | goto err; |
| 790 | } |
| 791 | else { |
| 792 | PyErr_Clear(); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 793 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 794 | if (!(standard_builtins || |
| 795 | (standard_builtins=PyImport_ImportModule("__builtin__")))) |
| 796 | return NULL; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 797 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 798 | __builtins__=standard_builtins; |
| 799 | Py_INCREF(__builtins__); |
| 800 | globals = Py_BuildValue("{sO}", "__builtins__", __builtins__); |
| 801 | if (!globals) |
| 802 | goto err; |
| 803 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 804 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 805 | if (PyDict_Check(__builtins__)) { |
| 806 | __import__=PyObject_GetItem(__builtins__,__import___str); |
| 807 | if (!__import__) goto err; |
| 808 | } |
| 809 | else { |
| 810 | __import__=PyObject_GetAttr(__builtins__,__import___str); |
| 811 | if (!__import__) goto err; |
| 812 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 813 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 814 | r=PyObject_CallFunction(__import__,"OOOO", |
| 815 | module_name, globals, globals, silly_list); |
| 816 | if (!r) |
| 817 | goto err; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 818 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 819 | Py_DECREF(globals); |
| 820 | Py_DECREF(__builtins__); |
| 821 | Py_DECREF(__import__); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 822 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 823 | return r; |
| 824 | err: |
| 825 | Py_XDECREF(globals); |
| 826 | Py_XDECREF(__builtins__); |
| 827 | Py_XDECREF(__import__); |
| 828 | return NULL; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 829 | } |
| 830 | |
| 831 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 832 | whichmodule(PyObject *global, PyObject *global_name) |
| 833 | { |
| 834 | int i, j; |
| 835 | PyObject *module = 0, *modules_dict = 0, |
| 836 | *global_name_attr = 0, *name = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 837 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 838 | module = PyObject_GetAttrString(global, "__module__"); |
| 839 | if (module) return module; |
| 840 | PyErr_Clear(); |
Guido van Rossum | 4518823 | 1997-09-28 05:38:51 +0000 | [diff] [blame] | 841 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 842 | if (!( modules_dict = PySys_GetObject("modules"))) |
| 843 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 844 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 845 | i = 0; |
| 846 | while ((j = PyDict_Next(modules_dict, &i, &name, &module))) { |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 847 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 848 | if (PyObject_Compare(name, __main___str)==0) continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 849 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 850 | global_name_attr = PyObject_GetAttr(module, global_name); |
| 851 | if (!global_name_attr) { |
| 852 | PyErr_Clear(); |
| 853 | continue; |
| 854 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 855 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 856 | if (global_name_attr != global) { |
| 857 | Py_DECREF(global_name_attr); |
| 858 | continue; |
| 859 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 860 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 861 | Py_DECREF(global_name_attr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 862 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 863 | break; |
| 864 | } |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 865 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 866 | /* The following implements the rule in pickle.py added in 1.5 |
| 867 | that used __main__ if no module is found. I don't actually |
| 868 | like this rule. jlf |
| 869 | */ |
| 870 | if (!j) { |
| 871 | j=1; |
| 872 | name=__main___str; |
| 873 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 874 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 875 | Py_INCREF(name); |
| 876 | return name; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 877 | } |
| 878 | |
| 879 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 880 | static int |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 881 | fast_save_enter(Picklerobject *self, PyObject *obj) |
| 882 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 883 | /* if fast_container < 0, we're doing an error exit. */ |
| 884 | if (++self->fast_container >= PY_CPICKLE_FAST_LIMIT) { |
| 885 | PyObject *key = NULL; |
| 886 | if (self->fast_memo == NULL) { |
| 887 | self->fast_memo = PyDict_New(); |
| 888 | if (self->fast_memo == NULL) { |
| 889 | self->fast_container = -1; |
| 890 | return 0; |
| 891 | } |
| 892 | } |
| 893 | key = PyLong_FromVoidPtr(obj); |
| 894 | if (key == NULL) |
| 895 | return 0; |
| 896 | if (PyDict_GetItem(self->fast_memo, key)) { |
| 897 | PyErr_Format(PyExc_ValueError, |
| 898 | "fast mode: can't pickle cyclic objects including object type %s at %p", |
| 899 | obj->ob_type->tp_name, obj); |
| 900 | self->fast_container = -1; |
| 901 | return 0; |
| 902 | } |
| 903 | if (PyDict_SetItem(self->fast_memo, key, Py_None) < 0) { |
| 904 | self->fast_container = -1; |
| 905 | return 0; |
| 906 | } |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 907 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 908 | return 1; |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 909 | } |
| 910 | |
| 911 | int |
| 912 | fast_save_leave(Picklerobject *self, PyObject *obj) |
| 913 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 914 | if (self->fast_container-- >= PY_CPICKLE_FAST_LIMIT) { |
| 915 | PyObject *key = PyLong_FromVoidPtr(obj); |
| 916 | if (key == NULL) |
| 917 | return 0; |
| 918 | if (PyDict_DelItem(self->fast_memo, key) < 0) { |
| 919 | return 0; |
| 920 | } |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 921 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 922 | return 1; |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 923 | } |
| 924 | |
| 925 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 926 | save_none(Picklerobject *self, PyObject *args) |
| 927 | { |
| 928 | static char none = NONE; |
| 929 | if ((*self->write_func)(self, &none, 1) < 0) |
| 930 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 931 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 932 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 933 | } |
| 934 | |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 935 | static int |
| 936 | save_bool(Picklerobject *self, PyObject *args) |
| 937 | { |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 938 | static char *buf[2] = {FALSE, TRUE}; |
| 939 | static char len[2] = {sizeof(FALSE)-1, sizeof(TRUE)-1}; |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 940 | long l = PyInt_AS_LONG((PyIntObject *)args); |
| 941 | |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 942 | if ((*self->write_func)(self, buf[l], len[l]) < 0) |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 943 | return -1; |
| 944 | |
| 945 | return 0; |
| 946 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 947 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 948 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 949 | save_int(Picklerobject *self, PyObject *args) |
| 950 | { |
| 951 | char c_str[32]; |
| 952 | long l = PyInt_AS_LONG((PyIntObject *)args); |
| 953 | int len = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 954 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 955 | if (!self->bin |
Guido van Rossum | de8d6d7 | 1997-05-13 18:00:44 +0000 | [diff] [blame] | 956 | #if SIZEOF_LONG > 4 |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 957 | || l > 0x7fffffffL |
| 958 | || l < -0x80000000L |
Guido van Rossum | de8d6d7 | 1997-05-13 18:00:44 +0000 | [diff] [blame] | 959 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 960 | ) { |
| 961 | /* Text-mode pickle, or long too big to fit in the 4-byte |
| 962 | * signed BININT format: store as a string. |
| 963 | */ |
| 964 | c_str[0] = INT; |
| 965 | PyOS_snprintf(c_str + 1, sizeof(c_str) - 1, "%ld\n", l); |
| 966 | if ((*self->write_func)(self, c_str, strlen(c_str)) < 0) |
| 967 | return -1; |
| 968 | } |
| 969 | else { |
| 970 | /* Binary pickle and l fits in a signed 4-byte int. */ |
| 971 | c_str[1] = (int)( l & 0xff); |
| 972 | c_str[2] = (int)((l >> 8) & 0xff); |
| 973 | c_str[3] = (int)((l >> 16) & 0xff); |
| 974 | c_str[4] = (int)((l >> 24) & 0xff); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 975 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 976 | if ((c_str[4] == 0) && (c_str[3] == 0)) { |
| 977 | if (c_str[2] == 0) { |
| 978 | c_str[0] = BININT1; |
| 979 | len = 2; |
| 980 | } |
| 981 | else { |
| 982 | c_str[0] = BININT2; |
| 983 | len = 3; |
| 984 | } |
| 985 | } |
| 986 | else { |
| 987 | c_str[0] = BININT; |
| 988 | len = 5; |
| 989 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 990 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 991 | if ((*self->write_func)(self, c_str, len) < 0) |
| 992 | return -1; |
| 993 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 994 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 995 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 996 | } |
| 997 | |
| 998 | |
| 999 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1000 | save_long(Picklerobject *self, PyObject *args) |
| 1001 | { |
| 1002 | int size, res = -1; |
| 1003 | PyObject *repr = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1004 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1005 | static char l = LONG; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1006 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1007 | if (!( repr = PyObject_Repr(args))) |
| 1008 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1009 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1010 | if ((size = PyString_Size(repr)) < 0) |
| 1011 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1012 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1013 | if ((*self->write_func)(self, &l, 1) < 0) |
| 1014 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1015 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1016 | if ((*self->write_func)(self, |
| 1017 | PyString_AS_STRING((PyStringObject *)repr), |
| 1018 | size) < 0) |
| 1019 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1020 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1021 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1022 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1023 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1024 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1025 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1026 | finally: |
| 1027 | Py_XDECREF(repr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1028 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1029 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1030 | } |
| 1031 | |
| 1032 | |
| 1033 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1034 | save_float(Picklerobject *self, PyObject *args) |
| 1035 | { |
| 1036 | double x = PyFloat_AS_DOUBLE((PyFloatObject *)args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1037 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1038 | if (self->bin) { |
| 1039 | int s, e; |
| 1040 | double f; |
| 1041 | long fhi, flo; |
| 1042 | char str[9]; |
| 1043 | unsigned char *p = (unsigned char *)str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1044 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1045 | *p = BINFLOAT; |
| 1046 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1047 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1048 | if (x < 0) { |
| 1049 | s = 1; |
| 1050 | x = -x; |
| 1051 | } |
| 1052 | else |
| 1053 | s = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1054 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1055 | f = frexp(x, &e); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1056 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1057 | /* Normalize f to be in the range [1.0, 2.0) */ |
| 1058 | if (0.5 <= f && f < 1.0) { |
| 1059 | f *= 2.0; |
| 1060 | e--; |
| 1061 | } |
| 1062 | else if (f == 0.0) { |
| 1063 | e = 0; |
| 1064 | } |
| 1065 | else { |
| 1066 | PyErr_SetString(PyExc_SystemError, |
| 1067 | "frexp() result out of range"); |
| 1068 | return -1; |
| 1069 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1070 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1071 | if (e >= 1024) { |
| 1072 | /* XXX 1024 itself is reserved for Inf/NaN */ |
| 1073 | PyErr_SetString(PyExc_OverflowError, |
| 1074 | "float too large to pack with d format"); |
| 1075 | return -1; |
| 1076 | } |
| 1077 | else if (e < -1022) { |
| 1078 | /* Gradual underflow */ |
| 1079 | f = ldexp(f, 1022 + e); |
| 1080 | e = 0; |
| 1081 | } |
| 1082 | else if (!(e == 0 && f == 0.0)) { |
| 1083 | e += 1023; |
| 1084 | f -= 1.0; /* Get rid of leading 1 */ |
| 1085 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1086 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1087 | /* fhi receives the high 28 bits; |
| 1088 | flo the low 24 bits (== 52 bits) */ |
| 1089 | f *= 268435456.0; /* 2**28 */ |
| 1090 | fhi = (long) floor(f); /* Truncate */ |
| 1091 | f -= (double)fhi; |
| 1092 | f *= 16777216.0; /* 2**24 */ |
| 1093 | flo = (long) floor(f + 0.5); /* Round */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1094 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1095 | /* First byte */ |
| 1096 | *p = (s<<7) | (e>>4); |
| 1097 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1098 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1099 | /* Second byte */ |
| 1100 | *p = (unsigned char) (((e&0xF)<<4) | (fhi>>24)); |
| 1101 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1102 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1103 | /* Third byte */ |
| 1104 | *p = (unsigned char) ((fhi>>16) & 0xFF); |
| 1105 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1106 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1107 | /* Fourth byte */ |
| 1108 | *p = (unsigned char) ((fhi>>8) & 0xFF); |
| 1109 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1110 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1111 | /* Fifth byte */ |
| 1112 | *p = (unsigned char) (fhi & 0xFF); |
| 1113 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1114 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1115 | /* Sixth byte */ |
| 1116 | *p = (unsigned char) ((flo>>16) & 0xFF); |
| 1117 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1118 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1119 | /* Seventh byte */ |
| 1120 | *p = (unsigned char) ((flo>>8) & 0xFF); |
| 1121 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1122 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1123 | /* Eighth byte */ |
| 1124 | *p = (unsigned char) (flo & 0xFF); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1125 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1126 | if ((*self->write_func)(self, str, 9) < 0) |
| 1127 | return -1; |
| 1128 | } |
| 1129 | else { |
| 1130 | char c_str[250]; |
| 1131 | c_str[0] = FLOAT; |
| 1132 | 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] | 1133 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1134 | if ((*self->write_func)(self, c_str, strlen(c_str)) < 0) |
| 1135 | return -1; |
| 1136 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1137 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1138 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1139 | } |
| 1140 | |
| 1141 | |
| 1142 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1143 | save_string(Picklerobject *self, PyObject *args, int doput) |
| 1144 | { |
| 1145 | int size, len; |
| 1146 | PyObject *repr=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1147 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1148 | if ((size = PyString_Size(args)) < 0) |
| 1149 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1150 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1151 | if (!self->bin) { |
| 1152 | char *repr_str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1153 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1154 | static char string = STRING; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1155 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1156 | if (!( repr = PyObject_Repr(args))) |
| 1157 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1158 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1159 | if ((len = PyString_Size(repr)) < 0) |
| 1160 | goto err; |
| 1161 | repr_str = PyString_AS_STRING((PyStringObject *)repr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1162 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1163 | if ((*self->write_func)(self, &string, 1) < 0) |
| 1164 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1165 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1166 | if ((*self->write_func)(self, repr_str, len) < 0) |
| 1167 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1168 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1169 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1170 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1171 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1172 | Py_XDECREF(repr); |
| 1173 | } |
| 1174 | else { |
| 1175 | int i; |
| 1176 | char c_str[5]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1177 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1178 | if ((size = PyString_Size(args)) < 0) |
| 1179 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1180 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1181 | if (size < 256) { |
| 1182 | c_str[0] = SHORT_BINSTRING; |
| 1183 | c_str[1] = size; |
| 1184 | len = 2; |
| 1185 | } |
| 1186 | else { |
| 1187 | c_str[0] = BINSTRING; |
| 1188 | for (i = 1; i < 5; i++) |
| 1189 | c_str[i] = (int)(size >> ((i - 1) * 8)); |
| 1190 | len = 5; |
| 1191 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1192 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1193 | if ((*self->write_func)(self, c_str, len) < 0) |
| 1194 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1195 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1196 | if (size > 128 && Pdata_Check(self->file)) { |
| 1197 | if (write_other(self, NULL, 0) < 0) return -1; |
| 1198 | PDATA_APPEND(self->file, args, -1); |
| 1199 | } |
| 1200 | else { |
| 1201 | if ((*self->write_func)(self, |
| 1202 | PyString_AS_STRING((PyStringObject *)args), size) < 0) |
| 1203 | return -1; |
| 1204 | } |
| 1205 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1206 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1207 | if (doput) |
| 1208 | if (put(self, args) < 0) |
| 1209 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1210 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1211 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1212 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1213 | err: |
| 1214 | Py_XDECREF(repr); |
| 1215 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1216 | } |
| 1217 | |
| 1218 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1219 | #ifdef Py_USING_UNICODE |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1220 | /* A copy of PyUnicode_EncodeRawUnicodeEscape() that also translates |
| 1221 | backslash and newline characters to \uXXXX escapes. */ |
| 1222 | static PyObject * |
| 1223 | modified_EncodeRawUnicodeEscape(const Py_UNICODE *s, int size) |
| 1224 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1225 | PyObject *repr; |
| 1226 | char *p; |
| 1227 | char *q; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1228 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1229 | static const char *hexdigit = "0123456789ABCDEF"; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1230 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1231 | repr = PyString_FromStringAndSize(NULL, 6 * size); |
| 1232 | if (repr == NULL) |
| 1233 | return NULL; |
| 1234 | if (size == 0) |
| 1235 | return repr; |
| 1236 | |
| 1237 | p = q = PyString_AS_STRING(repr); |
| 1238 | while (size-- > 0) { |
| 1239 | Py_UNICODE ch = *s++; |
| 1240 | /* Map 16-bit characters to '\uxxxx' */ |
| 1241 | if (ch >= 256 || ch == '\\' || ch == '\n') { |
| 1242 | *p++ = '\\'; |
| 1243 | *p++ = 'u'; |
| 1244 | *p++ = hexdigit[(ch >> 12) & 0xf]; |
| 1245 | *p++ = hexdigit[(ch >> 8) & 0xf]; |
| 1246 | *p++ = hexdigit[(ch >> 4) & 0xf]; |
| 1247 | *p++ = hexdigit[ch & 15]; |
| 1248 | } |
| 1249 | /* Copy everything else as-is */ |
| 1250 | else |
| 1251 | *p++ = (char) ch; |
| 1252 | } |
| 1253 | *p = '\0'; |
Tim Peters | 5de9842 | 2002-04-27 18:44:32 +0000 | [diff] [blame] | 1254 | _PyString_Resize(&repr, p - q); |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1255 | return repr; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1256 | } |
| 1257 | |
| 1258 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1259 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1260 | save_unicode(Picklerobject *self, PyObject *args, int doput) |
| 1261 | { |
| 1262 | int size, len; |
| 1263 | PyObject *repr=0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1264 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1265 | if (!PyUnicode_Check(args)) |
| 1266 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1267 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1268 | if (!self->bin) { |
| 1269 | char *repr_str; |
| 1270 | static char string = UNICODE; |
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 | repr = modified_EncodeRawUnicodeEscape( |
| 1273 | PyUnicode_AS_UNICODE(args), PyUnicode_GET_SIZE(args)); |
| 1274 | if (!repr) |
| 1275 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1276 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1277 | if ((len = PyString_Size(repr)) < 0) |
| 1278 | goto err; |
| 1279 | repr_str = PyString_AS_STRING((PyStringObject *)repr); |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1280 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1281 | if ((*self->write_func)(self, &string, 1) < 0) |
| 1282 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1283 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1284 | if ((*self->write_func)(self, repr_str, len) < 0) |
| 1285 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1286 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1287 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1288 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1289 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1290 | Py_XDECREF(repr); |
| 1291 | } |
| 1292 | else { |
| 1293 | int i; |
| 1294 | char c_str[5]; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1295 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1296 | if (!( repr = PyUnicode_AsUTF8String(args))) |
| 1297 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1298 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1299 | if ((size = PyString_Size(repr)) < 0) |
| 1300 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1301 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1302 | c_str[0] = BINUNICODE; |
| 1303 | for (i = 1; i < 5; i++) |
| 1304 | c_str[i] = (int)(size >> ((i - 1) * 8)); |
| 1305 | len = 5; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1306 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1307 | if ((*self->write_func)(self, c_str, len) < 0) |
| 1308 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1309 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1310 | if (size > 128 && Pdata_Check(self->file)) { |
| 1311 | if (write_other(self, NULL, 0) < 0) |
| 1312 | goto err; |
| 1313 | PDATA_APPEND(self->file, repr, -1); |
| 1314 | } |
| 1315 | else { |
| 1316 | if ((*self->write_func)(self, PyString_AS_STRING(repr), |
| 1317 | size) < 0) |
| 1318 | goto err; |
| 1319 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1320 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1321 | Py_DECREF(repr); |
| 1322 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1323 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1324 | if (doput) |
| 1325 | if (put(self, args) < 0) |
| 1326 | return -1; |
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 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1329 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1330 | err: |
| 1331 | Py_XDECREF(repr); |
| 1332 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1333 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1334 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1335 | |
| 1336 | |
| 1337 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1338 | save_tuple(Picklerobject *self, PyObject *args) |
| 1339 | { |
| 1340 | PyObject *element = 0, *py_tuple_id = 0; |
| 1341 | int len, i, res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1342 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1343 | static char tuple = TUPLE; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1344 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1345 | if ((*self->write_func)(self, &MARKv, 1) < 0) |
| 1346 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1347 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1348 | if ((len = PyTuple_Size(args)) < 0) |
| 1349 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1350 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1351 | for (i = 0; i < len; i++) { |
| 1352 | if (!( element = PyTuple_GET_ITEM((PyTupleObject *)args, i))) |
| 1353 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1354 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1355 | if (save(self, element, 0) < 0) |
| 1356 | goto finally; |
| 1357 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1358 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1359 | if (!( py_tuple_id = PyLong_FromVoidPtr(args))) |
| 1360 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1361 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1362 | if (len) { |
| 1363 | if (PyDict_GetItem(self->memo, py_tuple_id)) { |
| 1364 | if (self->bin) { |
| 1365 | static char pop_mark = POP_MARK; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1366 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1367 | if ((*self->write_func)(self, &pop_mark, 1) < 0) |
| 1368 | goto finally; |
| 1369 | } |
| 1370 | else { |
| 1371 | static char pop = POP; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1372 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1373 | for (i = 0; i <= len; i++) { |
| 1374 | if ((*self->write_func)(self, &pop, 1) < 0) |
| 1375 | goto finally; |
| 1376 | } |
| 1377 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1378 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1379 | if (get(self, py_tuple_id) < 0) |
| 1380 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1381 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1382 | res = 0; |
| 1383 | goto finally; |
| 1384 | } |
| 1385 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1386 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1387 | if ((*self->write_func)(self, &tuple, 1) < 0) { |
| 1388 | goto finally; |
| 1389 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1390 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1391 | if (put(self, args) < 0) |
| 1392 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1393 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1394 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1395 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1396 | finally: |
| 1397 | Py_XDECREF(py_tuple_id); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1398 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1399 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1400 | } |
| 1401 | |
| 1402 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1403 | save_empty_tuple(Picklerobject *self, PyObject *args) |
| 1404 | { |
| 1405 | static char tuple = EMPTY_TUPLE; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1406 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1407 | return (*self->write_func)(self, &tuple, 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1408 | } |
| 1409 | |
| 1410 | |
| 1411 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1412 | save_list(Picklerobject *self, PyObject *args) |
| 1413 | { |
| 1414 | PyObject *element = 0; |
| 1415 | int s_len, len, i, using_appends, res = -1; |
| 1416 | char s[3]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1417 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1418 | static char append = APPEND, appends = APPENDS; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1419 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1420 | if (self->fast && !fast_save_enter(self, args)) |
| 1421 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1422 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1423 | if (self->bin) { |
| 1424 | s[0] = EMPTY_LIST; |
| 1425 | s_len = 1; |
| 1426 | } |
| 1427 | else { |
| 1428 | s[0] = MARK; |
| 1429 | s[1] = LIST; |
| 1430 | s_len = 2; |
| 1431 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1432 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1433 | if ((len = PyList_Size(args)) < 0) |
| 1434 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1435 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1436 | if ((*self->write_func)(self, s, s_len) < 0) |
| 1437 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1438 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1439 | if (len == 0) { |
| 1440 | if (put(self, args) < 0) |
| 1441 | goto finally; |
| 1442 | } |
| 1443 | else { |
| 1444 | if (put2(self, args) < 0) |
| 1445 | goto finally; |
| 1446 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1447 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1448 | if ((using_appends = (self->bin && (len > 1)))) |
| 1449 | if ((*self->write_func)(self, &MARKv, 1) < 0) |
| 1450 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1451 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1452 | for (i = 0; i < len; i++) { |
| 1453 | if (!( element = PyList_GET_ITEM((PyListObject *)args, i))) |
| 1454 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1455 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1456 | if (save(self, element, 0) < 0) |
| 1457 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1458 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1459 | if (!using_appends) { |
| 1460 | if ((*self->write_func)(self, &append, 1) < 0) |
| 1461 | goto finally; |
| 1462 | } |
| 1463 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1464 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1465 | if (using_appends) { |
| 1466 | if ((*self->write_func)(self, &appends, 1) < 0) |
| 1467 | goto finally; |
| 1468 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1469 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1470 | res = 0; |
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 | finally: |
| 1473 | if (self->fast && !fast_save_leave(self, args)) |
| 1474 | res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1475 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1476 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1477 | } |
| 1478 | |
| 1479 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1480 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1481 | save_dict(Picklerobject *self, PyObject *args) |
| 1482 | { |
| 1483 | PyObject *key = 0, *value = 0; |
| 1484 | int i, len, res = -1, using_setitems; |
| 1485 | char s[3]; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1486 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1487 | static char setitem = SETITEM, setitems = SETITEMS; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1488 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1489 | if (self->fast && !fast_save_enter(self, args)) |
| 1490 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1491 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1492 | if (self->bin) { |
| 1493 | s[0] = EMPTY_DICT; |
| 1494 | len = 1; |
| 1495 | } |
| 1496 | else { |
| 1497 | s[0] = MARK; |
| 1498 | s[1] = DICT; |
| 1499 | len = 2; |
| 1500 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1501 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1502 | if ((*self->write_func)(self, s, len) < 0) |
| 1503 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1504 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1505 | if ((len = PyDict_Size(args)) < 0) |
| 1506 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1507 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1508 | if (len == 0) { |
| 1509 | if (put(self, args) < 0) |
| 1510 | goto finally; |
| 1511 | } |
| 1512 | else { |
| 1513 | if (put2(self, args) < 0) |
| 1514 | goto finally; |
| 1515 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1516 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1517 | if ((using_setitems = (self->bin && (PyDict_Size(args) > 1)))) |
| 1518 | if ((*self->write_func)(self, &MARKv, 1) < 0) |
| 1519 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1520 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1521 | i = 0; |
| 1522 | while (PyDict_Next(args, &i, &key, &value)) { |
| 1523 | if (save(self, key, 0) < 0) |
| 1524 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1525 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1526 | if (save(self, value, 0) < 0) |
| 1527 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1528 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1529 | if (!using_setitems) { |
| 1530 | if ((*self->write_func)(self, &setitem, 1) < 0) |
| 1531 | goto finally; |
| 1532 | } |
| 1533 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1534 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1535 | if (using_setitems) { |
| 1536 | if ((*self->write_func)(self, &setitems, 1) < 0) |
| 1537 | goto finally; |
| 1538 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1539 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1540 | res = 0; |
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 | finally: |
| 1543 | if (self->fast && !fast_save_leave(self, args)) |
| 1544 | res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1545 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1546 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1547 | } |
| 1548 | |
| 1549 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1550 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1551 | save_inst(Picklerobject *self, PyObject *args) |
| 1552 | { |
| 1553 | PyObject *class = 0, *module = 0, *name = 0, *state = 0, |
| 1554 | *getinitargs_func = 0, *getstate_func = 0, *class_args = 0; |
| 1555 | char *module_str, *name_str; |
| 1556 | int module_size, name_size, res = -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1557 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1558 | static char inst = INST, obj = OBJ, build = BUILD; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1559 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1560 | if (self->fast && !fast_save_enter(self, args)) |
| 1561 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1562 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1563 | if ((*self->write_func)(self, &MARKv, 1) < 0) |
| 1564 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1565 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1566 | if (!( class = PyObject_GetAttr(args, __class___str))) |
| 1567 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1568 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1569 | if (self->bin) { |
| 1570 | if (save(self, class, 0) < 0) |
| 1571 | goto finally; |
| 1572 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1573 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1574 | if ((getinitargs_func = PyObject_GetAttr(args, __getinitargs___str))) { |
| 1575 | PyObject *element = 0; |
| 1576 | int i, len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1577 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1578 | if (!( class_args = |
| 1579 | PyObject_Call(getinitargs_func, empty_tuple, NULL))) |
| 1580 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1581 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1582 | if ((len = PyObject_Size(class_args)) < 0) |
| 1583 | goto finally; |
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 | for (i = 0; i < len; i++) { |
| 1586 | if (!( element = PySequence_GetItem(class_args, i))) |
| 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 (save(self, element, 0) < 0) { |
| 1590 | Py_DECREF(element); |
| 1591 | goto finally; |
| 1592 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1593 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1594 | Py_DECREF(element); |
| 1595 | } |
| 1596 | } |
| 1597 | else { |
| 1598 | PyErr_Clear(); |
| 1599 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1600 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1601 | if (!self->bin) { |
| 1602 | if (!( name = ((PyClassObject *)class)->cl_name )) { |
| 1603 | PyErr_SetString(PicklingError, "class has no name"); |
| 1604 | goto finally; |
| 1605 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1606 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1607 | if (!( module = whichmodule(class, name))) |
| 1608 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1609 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1610 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1611 | if ((module_size = PyString_Size(module)) < 0 || |
| 1612 | (name_size = PyString_Size(name)) < 0) |
| 1613 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1614 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1615 | module_str = PyString_AS_STRING((PyStringObject *)module); |
| 1616 | name_str = PyString_AS_STRING((PyStringObject *)name); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1617 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1618 | if ((*self->write_func)(self, &inst, 1) < 0) |
| 1619 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1620 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1621 | if ((*self->write_func)(self, module_str, module_size) < 0) |
| 1622 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1623 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1624 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1625 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1626 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1627 | if ((*self->write_func)(self, name_str, name_size) < 0) |
| 1628 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1629 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1630 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1631 | goto finally; |
| 1632 | } |
| 1633 | else if ((*self->write_func)(self, &obj, 1) < 0) { |
| 1634 | goto finally; |
| 1635 | } |
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 ((getstate_func = PyObject_GetAttr(args, __getstate___str))) { |
| 1638 | state = PyObject_Call(getstate_func, empty_tuple, NULL); |
| 1639 | if (!state) |
| 1640 | goto finally; |
| 1641 | } |
| 1642 | else { |
| 1643 | PyErr_Clear(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1644 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1645 | if (!( state = PyObject_GetAttr(args, __dict___str))) { |
| 1646 | PyErr_Clear(); |
| 1647 | res = 0; |
| 1648 | goto finally; |
| 1649 | } |
| 1650 | } |
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 (!PyDict_Check(state)) { |
| 1653 | if (put2(self, args) < 0) |
| 1654 | goto finally; |
| 1655 | } |
| 1656 | else { |
| 1657 | if (put(self, args) < 0) |
| 1658 | goto finally; |
| 1659 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1660 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1661 | if (save(self, state, 0) < 0) |
| 1662 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1663 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1664 | if ((*self->write_func)(self, &build, 1) < 0) |
| 1665 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1666 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1667 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1668 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1669 | finally: |
| 1670 | if (self->fast && !fast_save_leave(self, args)) |
| 1671 | res = -1; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1672 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1673 | Py_XDECREF(module); |
| 1674 | Py_XDECREF(class); |
| 1675 | Py_XDECREF(state); |
| 1676 | Py_XDECREF(getinitargs_func); |
| 1677 | Py_XDECREF(getstate_func); |
| 1678 | Py_XDECREF(class_args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1679 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1680 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1681 | } |
| 1682 | |
| 1683 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1684 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1685 | save_global(Picklerobject *self, PyObject *args, PyObject *name) |
| 1686 | { |
| 1687 | PyObject *global_name = 0, *module = 0, *mod = 0, *moddict = 0, *klass = 0; |
| 1688 | char *name_str, *module_str; |
| 1689 | int module_size, name_size, res = -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1690 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1691 | static char global = GLOBAL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1692 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1693 | if (name) { |
| 1694 | global_name = name; |
| 1695 | Py_INCREF(global_name); |
| 1696 | } |
| 1697 | else { |
| 1698 | if (!( global_name = PyObject_GetAttr(args, __name___str))) |
| 1699 | goto finally; |
| 1700 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1701 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1702 | if (!( module = whichmodule(args, global_name))) |
| 1703 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1704 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1705 | if ((module_size = PyString_Size(module)) < 0 || |
| 1706 | (name_size = PyString_Size(global_name)) < 0) |
| 1707 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1708 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1709 | module_str = PyString_AS_STRING((PyStringObject *)module); |
| 1710 | name_str = PyString_AS_STRING((PyStringObject *)global_name); |
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 | mod = PyImport_ImportModule(module_str); |
| 1713 | if (mod == NULL) { |
| 1714 | /* Py_ErrClear(); ?? */ |
| 1715 | cPickle_ErrFormat(PicklingError, |
| 1716 | "Can't pickle %s: it's not found as %s.%s", |
| 1717 | "OSS", args, module, global_name); |
| 1718 | goto finally; |
| 1719 | } |
| 1720 | /* borrowed ref */ |
| 1721 | moddict = PyModule_GetDict(mod); |
| 1722 | /* borrowed ref */ |
| 1723 | klass = PyDict_GetItemString(moddict, name_str); |
| 1724 | if (klass == NULL) { |
| 1725 | cPickle_ErrFormat(PicklingError, |
| 1726 | "Can't pickle %s: it's not found as %s.%s", |
| 1727 | "OSS", args, module, global_name); |
| 1728 | goto finally; |
| 1729 | } |
| 1730 | if (klass != args) { |
| 1731 | cPickle_ErrFormat(PicklingError, |
| 1732 | "Can't pickle %s: it's not the same object as %s.%s", |
| 1733 | "OSS", args, module, global_name); |
| 1734 | goto finally; |
| 1735 | } |
Guido van Rossum | a92d16a | 2001-08-18 21:22:07 +0000 | [diff] [blame] | 1736 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1737 | if ((*self->write_func)(self, &global, 1) < 0) |
| 1738 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1739 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1740 | if ((*self->write_func)(self, module_str, module_size) < 0) |
| 1741 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1742 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1743 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1744 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1745 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1746 | if ((*self->write_func)(self, name_str, name_size) < 0) |
| 1747 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1748 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1749 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1750 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1751 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1752 | if (put(self, args) < 0) |
| 1753 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1754 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1755 | res = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1756 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1757 | finally: |
| 1758 | Py_XDECREF(module); |
| 1759 | Py_XDECREF(global_name); |
| 1760 | Py_XDECREF(mod); |
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 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1763 | } |
| 1764 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1765 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1766 | save_pers(Picklerobject *self, PyObject *args, PyObject *f) |
| 1767 | { |
| 1768 | PyObject *pid = 0; |
| 1769 | int size, res = -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1770 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1771 | static char persid = PERSID, binpersid = BINPERSID; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1772 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1773 | Py_INCREF(args); |
| 1774 | ARG_TUP(self, args); |
| 1775 | if (self->arg) { |
| 1776 | pid = PyObject_Call(f, self->arg, NULL); |
| 1777 | FREE_ARG_TUP(self); |
| 1778 | } |
| 1779 | if (! pid) return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1780 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1781 | if (pid != Py_None) { |
| 1782 | if (!self->bin) { |
| 1783 | if (!PyString_Check(pid)) { |
| 1784 | PyErr_SetString(PicklingError, |
| 1785 | "persistent id must be string"); |
| 1786 | goto finally; |
| 1787 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1788 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1789 | if ((*self->write_func)(self, &persid, 1) < 0) |
| 1790 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1791 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1792 | if ((size = PyString_Size(pid)) < 0) |
| 1793 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1794 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1795 | if ((*self->write_func)(self, |
| 1796 | PyString_AS_STRING((PyStringObject *)pid), size) < 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 ((*self->write_func)(self, "\n", 1) < 0) |
| 1800 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1801 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1802 | res = 1; |
| 1803 | goto finally; |
| 1804 | } |
| 1805 | else if (save(self, pid, 1) >= 0) { |
| 1806 | if ((*self->write_func)(self, &binpersid, 1) < 0) |
| 1807 | res = -1; |
| 1808 | else |
| 1809 | res = 1; |
| 1810 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1811 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1812 | goto finally; |
| 1813 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1814 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1815 | res = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1816 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1817 | finally: |
| 1818 | Py_XDECREF(pid); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1819 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1820 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1821 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1822 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1823 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1824 | static int |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1825 | save_reduce(Picklerobject *self, PyObject *callable, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1826 | PyObject *tup, PyObject *state, PyObject *ob) |
| 1827 | { |
| 1828 | static char reduce = REDUCE, build = BUILD; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1829 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1830 | if (save(self, callable, 0) < 0) |
| 1831 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1832 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1833 | if (save(self, tup, 0) < 0) |
| 1834 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1835 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1836 | if ((*self->write_func)(self, &reduce, 1) < 0) |
| 1837 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1838 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1839 | if (ob != NULL) { |
| 1840 | if (state && !PyDict_Check(state)) { |
| 1841 | if (put2(self, ob) < 0) |
| 1842 | return -1; |
| 1843 | } |
| 1844 | else { |
| 1845 | if (put(self, ob) < 0) |
| 1846 | return -1; |
| 1847 | } |
| 1848 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1849 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1850 | if (state) { |
| 1851 | if (save(self, state, 0) < 0) |
| 1852 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1853 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1854 | if ((*self->write_func)(self, &build, 1) < 0) |
| 1855 | return -1; |
| 1856 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1857 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1858 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1859 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1860 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1861 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1862 | save(Picklerobject *self, PyObject *args, int pers_save) |
| 1863 | { |
| 1864 | PyTypeObject *type; |
| 1865 | PyObject *py_ob_id = 0, *__reduce__ = 0, *t = 0, *arg_tup = 0, |
| 1866 | *callable = 0, *state = 0; |
| 1867 | int res = -1, tmp, size; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1868 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1869 | if (!pers_save && self->pers_func) { |
| 1870 | if ((tmp = save_pers(self, args, self->pers_func)) != 0) { |
| 1871 | res = tmp; |
| 1872 | goto finally; |
| 1873 | } |
| 1874 | } |
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 (args == Py_None) { |
| 1877 | res = save_none(self, args); |
| 1878 | goto finally; |
| 1879 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1880 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1881 | type = args->ob_type; |
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 | switch (type->tp_name[0]) { |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 1884 | case 'b': |
| 1885 | if (args == Py_False || args == Py_True) { |
| 1886 | res = save_bool(self, args); |
| 1887 | goto finally; |
| 1888 | } |
| 1889 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1890 | case 'i': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1891 | if (type == &PyInt_Type) { |
| 1892 | res = save_int(self, args); |
| 1893 | goto finally; |
| 1894 | } |
| 1895 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1896 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1897 | case 'l': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1898 | if (type == &PyLong_Type) { |
| 1899 | res = save_long(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 'f': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1905 | if (type == &PyFloat_Type) { |
| 1906 | res = save_float(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 't': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1912 | if (type == &PyTuple_Type && PyTuple_Size(args)==0) { |
| 1913 | if (self->bin) res = save_empty_tuple(self, args); |
| 1914 | else res = save_tuple(self, args); |
| 1915 | goto finally; |
| 1916 | } |
| 1917 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1918 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1919 | case 's': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1920 | if ((type == &PyString_Type) && (PyString_GET_SIZE(args) < 2)) { |
| 1921 | res = save_string(self, args, 0); |
| 1922 | goto finally; |
| 1923 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1924 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1925 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1926 | case 'u': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1927 | if ((type == &PyUnicode_Type) && (PyString_GET_SIZE(args) < 2)) { |
| 1928 | res = save_unicode(self, args, 0); |
| 1929 | goto finally; |
| 1930 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1931 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1932 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1933 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1934 | if (args->ob_refcnt > 1) { |
| 1935 | if (!( py_ob_id = PyLong_FromVoidPtr(args))) |
| 1936 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1937 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1938 | if (PyDict_GetItem(self->memo, py_ob_id)) { |
| 1939 | if (get(self, py_ob_id) < 0) |
| 1940 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1941 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1942 | res = 0; |
| 1943 | goto finally; |
| 1944 | } |
| 1945 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1946 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1947 | switch (type->tp_name[0]) { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1948 | case 's': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1949 | if (type == &PyString_Type) { |
| 1950 | res = save_string(self, args, 1); |
| 1951 | goto finally; |
| 1952 | } |
| 1953 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1954 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1955 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1956 | case 'u': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1957 | if (type == &PyUnicode_Type) { |
| 1958 | res = save_unicode(self, args, 1); |
| 1959 | goto finally; |
| 1960 | } |
| 1961 | break; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1962 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1963 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1964 | case 't': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1965 | if (type == &PyTuple_Type) { |
| 1966 | res = save_tuple(self, args); |
| 1967 | goto finally; |
| 1968 | } |
| 1969 | if (type == &PyType_Type) { |
| 1970 | res = save_global(self, args, NULL); |
| 1971 | goto finally; |
| 1972 | } |
| 1973 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1974 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1975 | case 'l': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1976 | if (type == &PyList_Type) { |
| 1977 | res = save_list(self, args); |
| 1978 | goto finally; |
| 1979 | } |
| 1980 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1981 | |
| 1982 | case 'd': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1983 | if (type == &PyDict_Type) { |
| 1984 | res = save_dict(self, args); |
| 1985 | goto finally; |
| 1986 | } |
| 1987 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1988 | |
| 1989 | case 'i': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1990 | if (type == &PyInstance_Type) { |
| 1991 | res = save_inst(self, args); |
| 1992 | goto finally; |
| 1993 | } |
| 1994 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1995 | |
| 1996 | case 'c': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1997 | if (type == &PyClass_Type) { |
| 1998 | res = save_global(self, args, NULL); |
| 1999 | goto finally; |
| 2000 | } |
| 2001 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2002 | |
| 2003 | case 'f': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2004 | if (type == &PyFunction_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 'b': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2011 | if (type == &PyCFunction_Type) { |
| 2012 | res = save_global(self, args, NULL); |
| 2013 | goto finally; |
| 2014 | } |
| 2015 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2016 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2017 | if (PyType_IsSubtype(type, &PyType_Type)) { |
| 2018 | res = save_global(self, args, NULL); |
| 2019 | goto finally; |
| 2020 | } |
Guido van Rossum | 950dce6 | 2001-12-19 16:56:54 +0000 | [diff] [blame] | 2021 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2022 | if (!pers_save && self->inst_pers_func) { |
| 2023 | if ((tmp = save_pers(self, args, self->inst_pers_func)) != 0) { |
| 2024 | res = tmp; |
| 2025 | goto finally; |
| 2026 | } |
| 2027 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2028 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2029 | if ((__reduce__ = PyDict_GetItem(dispatch_table, (PyObject *)type))) { |
| 2030 | Py_INCREF(__reduce__); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2031 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2032 | Py_INCREF(args); |
| 2033 | ARG_TUP(self, args); |
| 2034 | if (self->arg) { |
| 2035 | t = PyObject_Call(__reduce__, self->arg, NULL); |
| 2036 | FREE_ARG_TUP(self); |
| 2037 | } |
| 2038 | if (! t) goto finally; |
| 2039 | } |
| 2040 | else { |
| 2041 | PyErr_Clear(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2042 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2043 | if ((__reduce__ = PyObject_GetAttr(args, __reduce___str))) { |
| 2044 | t = PyObject_Call(__reduce__, empty_tuple, NULL); |
| 2045 | if (!t) |
| 2046 | goto finally; |
| 2047 | } |
| 2048 | else { |
| 2049 | PyErr_Clear(); |
| 2050 | } |
| 2051 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2052 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2053 | if (t) { |
| 2054 | if (PyString_Check(t)) { |
| 2055 | res = save_global(self, args, t); |
| 2056 | goto finally; |
| 2057 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2058 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2059 | if (!PyTuple_Check(t)) { |
| 2060 | cPickle_ErrFormat(PicklingError, "Value returned by %s must " |
| 2061 | "be a tuple", "O", __reduce__); |
| 2062 | goto finally; |
| 2063 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2064 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2065 | size = PyTuple_Size(t); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2066 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2067 | if ((size != 3) && (size != 2)) { |
| 2068 | cPickle_ErrFormat(PicklingError, "tuple returned by %s must " |
| 2069 | "contain only two or three elements", "O", __reduce__); |
| 2070 | goto finally; |
| 2071 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2072 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2073 | callable = PyTuple_GET_ITEM(t, 0); |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 2074 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2075 | arg_tup = PyTuple_GET_ITEM(t, 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2076 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2077 | if (size > 2) { |
| 2078 | state = PyTuple_GET_ITEM(t, 2); |
| 2079 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2080 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2081 | if (!( PyTuple_Check(arg_tup) || arg_tup==Py_None )) { |
| 2082 | cPickle_ErrFormat(PicklingError, "Second element of tuple " |
| 2083 | "returned by %s must be a tuple", "O", __reduce__); |
| 2084 | goto finally; |
| 2085 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2086 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2087 | res = save_reduce(self, callable, arg_tup, state, args); |
| 2088 | goto finally; |
| 2089 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2090 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2091 | PyErr_SetObject(UnpickleableError, args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2092 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2093 | finally: |
| 2094 | Py_XDECREF(py_ob_id); |
| 2095 | Py_XDECREF(__reduce__); |
| 2096 | Py_XDECREF(t); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2097 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2098 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2099 | } |
| 2100 | |
| 2101 | |
| 2102 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2103 | dump(Picklerobject *self, PyObject *args) |
| 2104 | { |
| 2105 | static char stop = STOP; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2106 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2107 | if (save(self, args, 0) < 0) |
| 2108 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2109 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2110 | if ((*self->write_func)(self, &stop, 1) < 0) |
| 2111 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2112 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2113 | if ((*self->write_func)(self, NULL, 0) < 0) |
| 2114 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2115 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2116 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2117 | } |
| 2118 | |
| 2119 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2120 | Pickle_clear_memo(Picklerobject *self, PyObject *args) |
| 2121 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2122 | if (self->memo) |
| 2123 | PyDict_Clear(self->memo); |
| 2124 | Py_INCREF(Py_None); |
| 2125 | return Py_None; |
| 2126 | } |
| 2127 | |
| 2128 | static PyObject * |
| 2129 | Pickle_getvalue(Picklerobject *self, PyObject *args) |
| 2130 | { |
| 2131 | int l, i, rsize, ssize, clear=1, lm; |
| 2132 | long ik; |
| 2133 | PyObject *k, *r; |
| 2134 | char *s, *p, *have_get; |
| 2135 | Pdata *data; |
| 2136 | |
| 2137 | /* Can be called by Python code or C code */ |
| 2138 | if (args && !PyArg_ParseTuple(args, "|i:getvalue", &clear)) |
| 2139 | return NULL; |
| 2140 | |
| 2141 | /* Check to make sure we are based on a list */ |
| 2142 | if (! Pdata_Check(self->file)) { |
| 2143 | PyErr_SetString(PicklingError, |
| 2144 | "Attempt to getvalue() a non-list-based pickler"); |
| 2145 | return NULL; |
| 2146 | } |
| 2147 | |
| 2148 | /* flush write buffer */ |
| 2149 | if (write_other(self, NULL, 0) < 0) return NULL; |
| 2150 | |
| 2151 | data=(Pdata*)self->file; |
| 2152 | l=data->length; |
| 2153 | |
| 2154 | /* set up an array to hold get/put status */ |
| 2155 | if ((lm=PyDict_Size(self->memo)) < 0) return NULL; |
| 2156 | lm++; |
| 2157 | if (! (have_get=malloc((lm)*sizeof(char)))) return PyErr_NoMemory(); |
| 2158 | memset(have_get,0,lm); |
| 2159 | |
| 2160 | /* Scan for gets. */ |
| 2161 | for (rsize=0, i=l; --i >= 0; ) { |
| 2162 | k=data->data[i]; |
| 2163 | |
| 2164 | if (PyString_Check(k)) { |
| 2165 | rsize += PyString_GET_SIZE(k); |
| 2166 | } |
| 2167 | |
| 2168 | else if (PyInt_Check(k)) { /* put */ |
| 2169 | ik=PyInt_AS_LONG((PyIntObject*)k); |
| 2170 | if (ik >= lm || ik==0) { |
| 2171 | PyErr_SetString(PicklingError, |
| 2172 | "Invalid get data"); |
| 2173 | return NULL; |
| 2174 | } |
| 2175 | if (have_get[ik]) { /* with matching get */ |
| 2176 | if (ik < 256) rsize += 2; |
| 2177 | else rsize+=5; |
| 2178 | } |
| 2179 | } |
| 2180 | |
| 2181 | else if (! (PyTuple_Check(k) && |
| 2182 | PyTuple_GET_SIZE(k) == 2 && |
| 2183 | PyInt_Check((k=PyTuple_GET_ITEM(k,0)))) |
| 2184 | ) { |
| 2185 | PyErr_SetString(PicklingError, |
| 2186 | "Unexpected data in internal list"); |
| 2187 | return NULL; |
| 2188 | } |
| 2189 | |
| 2190 | else { /* put */ |
| 2191 | ik=PyInt_AS_LONG((PyIntObject*)k); |
| 2192 | if (ik >= lm || ik==0) { |
| 2193 | PyErr_SetString(PicklingError, |
| 2194 | "Invalid get data"); |
| 2195 | return NULL; |
| 2196 | } |
| 2197 | have_get[ik]=1; |
| 2198 | if (ik < 256) rsize += 2; |
| 2199 | else rsize+=5; |
| 2200 | } |
| 2201 | |
| 2202 | } |
| 2203 | |
| 2204 | /* Now generate the result */ |
| 2205 | if (!( r=PyString_FromStringAndSize(NULL,rsize))) goto err; |
| 2206 | s=PyString_AS_STRING((PyStringObject*)r); |
| 2207 | |
| 2208 | for (i=0; i<l; i++) { |
| 2209 | k=data->data[i]; |
| 2210 | |
| 2211 | if (PyString_Check(k)) { |
| 2212 | ssize=PyString_GET_SIZE(k); |
| 2213 | if (ssize) { |
| 2214 | p=PyString_AS_STRING((PyStringObject*)k); |
| 2215 | while (--ssize >= 0) *s++=*p++; |
| 2216 | } |
| 2217 | } |
| 2218 | |
| 2219 | else if (PyTuple_Check(k)) { /* get */ |
| 2220 | ik=PyInt_AS_LONG((PyIntObject*)PyTuple_GET_ITEM(k,0)); |
| 2221 | if (ik < 256) { |
| 2222 | *s++ = BINGET; |
| 2223 | *s++ = (int)(ik & 0xff); |
| 2224 | } |
| 2225 | else { |
| 2226 | *s++ = LONG_BINGET; |
| 2227 | *s++ = (int)(ik & 0xff); |
| 2228 | *s++ = (int)((ik >> 8) & 0xff); |
| 2229 | *s++ = (int)((ik >> 16) & 0xff); |
| 2230 | *s++ = (int)((ik >> 24) & 0xff); |
| 2231 | } |
| 2232 | } |
| 2233 | |
| 2234 | else { /* put */ |
| 2235 | ik=PyInt_AS_LONG((PyIntObject*)k); |
| 2236 | |
| 2237 | if (have_get[ik]) { /* with matching get */ |
| 2238 | if (ik < 256) { |
| 2239 | *s++ = BINPUT; |
| 2240 | *s++ = (int)(ik & 0xff); |
| 2241 | } |
| 2242 | else { |
| 2243 | *s++ = LONG_BINPUT; |
| 2244 | *s++ = (int)(ik & 0xff); |
| 2245 | *s++ = (int)((ik >> 8) & 0xff); |
| 2246 | *s++ = (int)((ik >> 16) & 0xff); |
| 2247 | *s++ = (int)((ik >> 24) & 0xff); |
| 2248 | } |
| 2249 | } |
| 2250 | } |
| 2251 | |
| 2252 | } |
| 2253 | |
| 2254 | if (clear) { |
| 2255 | PyDict_Clear(self->memo); |
| 2256 | Pdata_clear(data,0); |
| 2257 | } |
| 2258 | |
| 2259 | free(have_get); |
| 2260 | return r; |
| 2261 | err: |
| 2262 | free(have_get); |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2263 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2264 | } |
| 2265 | |
| 2266 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2267 | Pickler_dump(Picklerobject *self, PyObject *args) |
| 2268 | { |
| 2269 | PyObject *ob; |
| 2270 | int get=0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2271 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2272 | if (!( PyArg_ParseTuple(args, "O|i:dump", &ob, &get))) |
| 2273 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2274 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2275 | if (dump(self, ob) < 0) |
| 2276 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2277 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2278 | if (get) return Pickle_getvalue(self, NULL); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2279 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2280 | /* XXX Why does dump() return self? */ |
| 2281 | Py_INCREF(self); |
| 2282 | return (PyObject*)self; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2283 | } |
| 2284 | |
| 2285 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2286 | static struct PyMethodDef Pickler_methods[] = |
| 2287 | { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 2288 | {"dump", (PyCFunction)Pickler_dump, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2289 | "dump(object) --" |
Fred Drake | 0ebacc8 | 2002-05-01 20:36:39 +0000 | [diff] [blame] | 2290 | "Write an object in pickle format to the object's pickle stream"}, |
| 2291 | {"clear_memo", (PyCFunction)Pickle_clear_memo, METH_NOARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2292 | "clear_memo() -- Clear the picklers memo"}, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 2293 | {"getvalue", (PyCFunction)Pickle_getvalue, METH_VARARGS, |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2294 | "getvalue() -- Finish picking a list-based pickle"}, |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2295 | {NULL, NULL} /* sentinel */ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2296 | }; |
| 2297 | |
| 2298 | |
| 2299 | static Picklerobject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2300 | newPicklerobject(PyObject *file, int bin) |
| 2301 | { |
| 2302 | Picklerobject *self; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2303 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2304 | if (!( self = PyObject_New(Picklerobject, &Picklertype))) |
| 2305 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2306 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2307 | self->fp = NULL; |
| 2308 | self->write = NULL; |
| 2309 | self->memo = NULL; |
| 2310 | self->arg = NULL; |
| 2311 | self->pers_func = NULL; |
| 2312 | self->inst_pers_func = NULL; |
| 2313 | self->write_buf = NULL; |
| 2314 | self->bin = bin; |
| 2315 | self->fast = 0; |
| 2316 | self->fast_container = 0; |
| 2317 | self->fast_memo = NULL; |
| 2318 | self->buf_size = 0; |
| 2319 | self->dispatch_table = NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2320 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2321 | if (file) |
| 2322 | Py_INCREF(file); |
| 2323 | else |
| 2324 | file=Pdata_New(); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2325 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2326 | if (!( self->file = file )) |
| 2327 | goto err; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2328 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2329 | if (!( self->memo = PyDict_New())) |
| 2330 | goto err; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2331 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2332 | if (PyFile_Check(file)) { |
| 2333 | self->fp = PyFile_AsFile(file); |
| 2334 | if (self->fp == NULL) { |
| 2335 | PyErr_SetString(PyExc_ValueError, "I/O operation on closed file"); |
| 2336 | goto err; |
| 2337 | } |
| 2338 | self->write_func = write_file; |
Guido van Rossum | c91fcaa | 1999-03-29 20:00:14 +0000 | [diff] [blame] | 2339 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2340 | else if (PycStringIO_OutputCheck(file)) { |
| 2341 | self->write_func = write_cStringIO; |
| 2342 | } |
| 2343 | else if (file == Py_None) { |
| 2344 | self->write_func = write_none; |
| 2345 | } |
| 2346 | else { |
| 2347 | self->write_func = write_other; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2348 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2349 | if (! Pdata_Check(file)) { |
| 2350 | self->write = PyObject_GetAttr(file, write_str); |
| 2351 | if (!self->write) { |
| 2352 | PyErr_Clear(); |
| 2353 | PyErr_SetString(PyExc_TypeError, |
| 2354 | "argument must have 'write' " |
| 2355 | "attribute"); |
| 2356 | goto err; |
| 2357 | } |
| 2358 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2359 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2360 | if (!( self->write_buf = |
| 2361 | (char *)malloc(WRITE_BUF_SIZE * sizeof(char)))) { |
| 2362 | PyErr_NoMemory(); |
| 2363 | goto err; |
| 2364 | } |
| 2365 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2366 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2367 | if (PyEval_GetRestricted()) { |
| 2368 | /* Restricted execution, get private tables */ |
| 2369 | PyObject *m; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2370 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2371 | if (!( m=PyImport_Import(copy_reg_str))) goto err; |
| 2372 | self->dispatch_table=PyObject_GetAttr(m, dispatch_table_str); |
| 2373 | Py_DECREF(m); |
| 2374 | if (!( self->dispatch_table )) goto err; |
| 2375 | } |
| 2376 | else { |
| 2377 | self->dispatch_table=dispatch_table; |
| 2378 | Py_INCREF(dispatch_table); |
| 2379 | } |
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 | return self; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2382 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2383 | err: |
| 2384 | Py_DECREF((PyObject *)self); |
| 2385 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2386 | } |
| 2387 | |
| 2388 | |
| 2389 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2390 | get_Pickler(PyObject *self, PyObject *args) |
| 2391 | { |
| 2392 | PyObject *file = NULL; |
| 2393 | int bin = 1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2394 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2395 | if (!PyArg_ParseTuple(args, "|i:Pickler", &bin)) { |
| 2396 | PyErr_Clear(); |
| 2397 | bin = 0; |
| 2398 | if (!PyArg_ParseTuple(args, "O|i:Pickler", &file, &bin)) |
| 2399 | return NULL; |
| 2400 | } |
| 2401 | return (PyObject *)newPicklerobject(file, bin); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2402 | } |
| 2403 | |
| 2404 | |
| 2405 | static void |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2406 | Pickler_dealloc(Picklerobject *self) |
| 2407 | { |
| 2408 | Py_XDECREF(self->write); |
| 2409 | Py_XDECREF(self->memo); |
| 2410 | Py_XDECREF(self->fast_memo); |
| 2411 | Py_XDECREF(self->arg); |
| 2412 | Py_XDECREF(self->file); |
| 2413 | Py_XDECREF(self->pers_func); |
| 2414 | Py_XDECREF(self->inst_pers_func); |
| 2415 | Py_XDECREF(self->dispatch_table); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2416 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2417 | if (self->write_buf) { |
| 2418 | free(self->write_buf); |
| 2419 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2420 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2421 | PyObject_Del(self); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2422 | } |
| 2423 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2424 | static PyObject * |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2425 | Pickler_get_pers_func(Picklerobject *p) |
| 2426 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2427 | if (p->pers_func == NULL) |
| 2428 | PyErr_SetString(PyExc_AttributeError, "persistent_id"); |
| 2429 | else |
| 2430 | Py_INCREF(p->pers_func); |
| 2431 | return p->pers_func; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2432 | } |
| 2433 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2434 | static int |
| 2435 | Pickler_set_pers_func(Picklerobject *p, PyObject *v) |
| 2436 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2437 | if (v == NULL) { |
| 2438 | PyErr_SetString(PyExc_TypeError, |
| 2439 | "attribute deletion is not supported"); |
| 2440 | return -1; |
| 2441 | } |
| 2442 | Py_XDECREF(p->pers_func); |
| 2443 | Py_INCREF(v); |
| 2444 | p->pers_func = v; |
| 2445 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2446 | } |
| 2447 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2448 | static int |
| 2449 | Pickler_set_inst_pers_func(Picklerobject *p, PyObject *v) |
| 2450 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2451 | if (v == NULL) { |
| 2452 | PyErr_SetString(PyExc_TypeError, |
| 2453 | "attribute deletion is not supported"); |
| 2454 | return -1; |
| 2455 | } |
| 2456 | Py_XDECREF(p->inst_pers_func); |
| 2457 | Py_INCREF(v); |
| 2458 | p->inst_pers_func = v; |
| 2459 | return 0; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2460 | } |
| 2461 | |
| 2462 | static PyObject * |
| 2463 | Pickler_get_memo(Picklerobject *p) |
| 2464 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2465 | if (p->memo == NULL) |
| 2466 | PyErr_SetString(PyExc_AttributeError, "memo"); |
| 2467 | else |
| 2468 | Py_INCREF(p->memo); |
| 2469 | return p->memo; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2470 | } |
| 2471 | |
| 2472 | static int |
| 2473 | Pickler_set_memo(Picklerobject *p, PyObject *v) |
| 2474 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2475 | if (v == NULL) { |
| 2476 | PyErr_SetString(PyExc_TypeError, |
| 2477 | "attribute deletion is not supported"); |
| 2478 | return -1; |
| 2479 | } |
| 2480 | if (!PyDict_Check(v)) { |
| 2481 | PyErr_SetString(PyExc_TypeError, "memo must be a dictionary"); |
| 2482 | return -1; |
| 2483 | } |
| 2484 | Py_XDECREF(p->memo); |
| 2485 | Py_INCREF(v); |
| 2486 | p->memo = v; |
| 2487 | return 0; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2488 | } |
| 2489 | |
| 2490 | static PyObject * |
| 2491 | Pickler_get_error(Picklerobject *p) |
| 2492 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2493 | /* why is this an attribute on the Pickler? */ |
| 2494 | Py_INCREF(PicklingError); |
| 2495 | return PicklingError; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2496 | } |
| 2497 | |
| 2498 | static PyMemberDef Pickler_members[] = { |
| 2499 | {"binary", T_INT, offsetof(Picklerobject, bin)}, |
| 2500 | {"fast", T_INT, offsetof(Picklerobject, fast)}, |
Jeremy Hylton | 3eb46f3 | 2001-10-16 17:10:49 +0000 | [diff] [blame] | 2501 | {NULL} |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2502 | }; |
| 2503 | |
| 2504 | static PyGetSetDef Pickler_getsets[] = { |
| 2505 | {"persistent_id", (getter)Pickler_get_pers_func, |
| 2506 | (setter)Pickler_set_pers_func}, |
| 2507 | {"inst_persistent_id", NULL, (setter)Pickler_set_inst_pers_func}, |
| 2508 | {"memo", (getter)Pickler_get_memo, (setter)Pickler_set_memo}, |
Jeremy Hylton | 3eb46f3 | 2001-10-16 17:10:49 +0000 | [diff] [blame] | 2509 | {"PicklingError", (getter)Pickler_get_error, NULL}, |
| 2510 | {NULL} |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2511 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2512 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame^] | 2513 | PyDoc_STRVAR(Picklertype__doc__, |
| 2514 | "Objects that know how to pickle objects\n"); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2515 | |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 2516 | static PyTypeObject Picklertype = { |
| 2517 | PyObject_HEAD_INIT(NULL) |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2518 | 0, /*ob_size*/ |
Guido van Rossum | 1464839 | 2001-12-08 18:02:58 +0000 | [diff] [blame] | 2519 | "cPickle.Pickler", /*tp_name*/ |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2520 | sizeof(Picklerobject), /*tp_basicsize*/ |
| 2521 | 0, |
| 2522 | (destructor)Pickler_dealloc, /* tp_dealloc */ |
| 2523 | 0, /* tp_print */ |
| 2524 | 0, /* tp_getattr */ |
| 2525 | 0, /* tp_setattr */ |
| 2526 | 0, /* tp_compare */ |
| 2527 | 0, /* tp_repr */ |
| 2528 | 0, /* tp_as_number */ |
| 2529 | 0, /* tp_as_sequence */ |
| 2530 | 0, /* tp_as_mapping */ |
| 2531 | 0, /* tp_hash */ |
| 2532 | 0, /* tp_call */ |
| 2533 | 0, /* tp_str */ |
Michael W. Hudson | 03f96bd | 2001-11-09 10:06:23 +0000 | [diff] [blame] | 2534 | 0, /* set below */ /* tp_getattro */ |
| 2535 | 0, /* set below */ /* tp_setattro */ |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2536 | 0, /* tp_as_buffer */ |
| 2537 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */ |
| 2538 | Picklertype__doc__, /* tp_doc */ |
| 2539 | 0, /* tp_traverse */ |
| 2540 | 0, /* tp_clear */ |
| 2541 | 0, /* tp_richcompare */ |
| 2542 | 0, /* tp_weaklistoffset */ |
| 2543 | 0, /* tp_iter */ |
| 2544 | 0, /* tp_iternext */ |
| 2545 | Pickler_methods, /* tp_methods */ |
| 2546 | Pickler_members, /* tp_members */ |
| 2547 | Pickler_getsets, /* tp_getset */ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 2548 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2549 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2550 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2551 | find_class(PyObject *py_module_name, PyObject *py_global_name, PyObject *fc) |
| 2552 | { |
| 2553 | PyObject *global = 0, *module; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2554 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2555 | if (fc) { |
| 2556 | if (fc==Py_None) { |
| 2557 | PyErr_SetString(UnpicklingError, |
| 2558 | "Global and instance pickles are not supported."); |
| 2559 | return NULL; |
| 2560 | } |
| 2561 | return PyObject_CallFunction(fc, "OO", py_module_name, |
| 2562 | py_global_name); |
| 2563 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 2564 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2565 | module = PySys_GetObject("modules"); |
| 2566 | if (module == NULL) |
| 2567 | return NULL; |
Jeremy Hylton | d105523 | 1998-08-11 19:52:51 +0000 | [diff] [blame] | 2568 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2569 | module = PyDict_GetItem(module, py_module_name); |
| 2570 | if (module == NULL) { |
| 2571 | module = PyImport_Import(py_module_name); |
| 2572 | if (!module) |
| 2573 | return NULL; |
| 2574 | global = PyObject_GetAttr(module, py_global_name); |
| 2575 | Py_DECREF(module); |
| 2576 | } |
| 2577 | else |
| 2578 | global = PyObject_GetAttr(module, py_global_name); |
| 2579 | return global; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2580 | } |
| 2581 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2582 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2583 | marker(Unpicklerobject *self) |
| 2584 | { |
| 2585 | if (self->num_marks < 1) { |
| 2586 | PyErr_SetString(UnpicklingError, "could not find MARK"); |
| 2587 | return -1; |
| 2588 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2589 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2590 | return self->marks[--self->num_marks]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2591 | } |
| 2592 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2593 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2594 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2595 | load_none(Unpicklerobject *self) |
| 2596 | { |
| 2597 | PDATA_APPEND(self->stack, Py_None, -1); |
| 2598 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2599 | } |
| 2600 | |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 2601 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2602 | bad_readline(void) |
| 2603 | { |
| 2604 | PyErr_SetString(UnpicklingError, "pickle data was truncated"); |
| 2605 | return -1; |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 2606 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2607 | |
| 2608 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2609 | load_int(Unpicklerobject *self) |
| 2610 | { |
| 2611 | PyObject *py_int = 0; |
| 2612 | char *endptr, *s; |
| 2613 | int len, res = -1; |
| 2614 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2615 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2616 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 2617 | if (len < 2) return bad_readline(); |
| 2618 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2619 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2620 | errno = 0; |
| 2621 | l = strtol(s, &endptr, 0); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2622 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2623 | if (errno || (*endptr != '\n') || (endptr[1] != '\0')) { |
| 2624 | /* Hm, maybe we've got something long. Let's try reading |
| 2625 | it as a Python long object. */ |
| 2626 | errno = 0; |
| 2627 | py_int = PyLong_FromString(s, NULL, 0); |
| 2628 | if (py_int == NULL) { |
| 2629 | PyErr_SetString(PyExc_ValueError, |
| 2630 | "could not convert string to int"); |
| 2631 | goto finally; |
| 2632 | } |
| 2633 | } |
| 2634 | else { |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 2635 | if (len == 3 && (l == 0 || l == 1)) { |
| 2636 | if (!( py_int = PyBool_FromLong(l))) goto finally; |
| 2637 | } |
| 2638 | else { |
| 2639 | if (!( py_int = PyInt_FromLong(l))) goto finally; |
| 2640 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2641 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2642 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2643 | free(s); |
| 2644 | PDATA_PUSH(self->stack, py_int, -1); |
| 2645 | return 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 | finally: |
| 2648 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2649 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2650 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2651 | } |
| 2652 | |
| 2653 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2654 | static long |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2655 | calc_binint(char *s, int x) |
| 2656 | { |
| 2657 | unsigned char c; |
| 2658 | int i; |
| 2659 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2660 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2661 | for (i = 0, l = 0L; i < x; i++) { |
| 2662 | c = (unsigned char)s[i]; |
| 2663 | l |= (long)c << (i * 8); |
| 2664 | } |
Tim Peters | bfa18f7 | 2001-04-10 01:54:42 +0000 | [diff] [blame] | 2665 | #if SIZEOF_LONG > 4 |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2666 | /* Unlike BININT1 and BININT2, BININT (more accurately BININT4) |
| 2667 | * is signed, so on a box with longs bigger than 4 bytes we need |
| 2668 | * to extend a BININT's sign bit to the full width. |
| 2669 | */ |
| 2670 | if (x == 4 && l & (1L << 31)) |
| 2671 | l |= (~0L) << 32; |
Tim Peters | bfa18f7 | 2001-04-10 01:54:42 +0000 | [diff] [blame] | 2672 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2673 | return l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2674 | } |
| 2675 | |
| 2676 | |
| 2677 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2678 | load_binintx(Unpicklerobject *self, char *s, int x) |
| 2679 | { |
| 2680 | PyObject *py_int = 0; |
| 2681 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2682 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2683 | l = calc_binint(s, x); |
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 | if (!( py_int = PyInt_FromLong(l))) |
| 2686 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2687 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2688 | PDATA_PUSH(self->stack, py_int, -1); |
| 2689 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2690 | } |
| 2691 | |
| 2692 | |
| 2693 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2694 | load_binint(Unpicklerobject *self) |
| 2695 | { |
| 2696 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2697 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2698 | if ((*self->read_func)(self, &s, 4) < 0) |
| 2699 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2700 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2701 | return load_binintx(self, s, 4); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2702 | } |
| 2703 | |
| 2704 | |
| 2705 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2706 | load_binint1(Unpicklerobject *self) |
| 2707 | { |
| 2708 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2709 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2710 | if ((*self->read_func)(self, &s, 1) < 0) |
| 2711 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2712 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2713 | return load_binintx(self, s, 1); |
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_binint2(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, 2) < 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, 2); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2726 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2727 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2728 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2729 | load_long(Unpicklerobject *self) |
| 2730 | { |
| 2731 | PyObject *l = 0; |
| 2732 | char *end, *s; |
| 2733 | int len, res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2734 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2735 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 2736 | if (len < 2) return bad_readline(); |
| 2737 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2738 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2739 | if (!( l = PyLong_FromString(s, &end, 0))) |
| 2740 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2741 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2742 | free(s); |
| 2743 | PDATA_PUSH(self->stack, l, -1); |
| 2744 | return 0; |
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 | finally: |
| 2747 | free(s); |
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 res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2750 | } |
| 2751 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2752 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2753 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2754 | load_float(Unpicklerobject *self) |
| 2755 | { |
| 2756 | PyObject *py_float = 0; |
| 2757 | char *endptr, *s; |
| 2758 | int len, res = -1; |
| 2759 | double d; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2760 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2761 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 2762 | if (len < 2) return bad_readline(); |
| 2763 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2764 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2765 | errno = 0; |
| 2766 | d = strtod(s, &endptr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2767 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2768 | if (errno || (endptr[0] != '\n') || (endptr[1] != '\0')) { |
| 2769 | PyErr_SetString(PyExc_ValueError, |
| 2770 | "could not convert string to float"); |
| 2771 | goto finally; |
| 2772 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2773 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2774 | if (!( py_float = PyFloat_FromDouble(d))) |
| 2775 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2776 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2777 | free(s); |
| 2778 | PDATA_PUSH(self->stack, py_float, -1); |
| 2779 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2780 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2781 | finally: |
| 2782 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2783 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2784 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2785 | } |
| 2786 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2787 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2788 | load_binfloat(Unpicklerobject *self) |
| 2789 | { |
| 2790 | PyObject *py_float = 0; |
| 2791 | int s, e; |
| 2792 | long fhi, flo; |
| 2793 | double x; |
| 2794 | char *p; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2795 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2796 | if ((*self->read_func)(self, &p, 8) < 0) |
| 2797 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2798 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2799 | /* First byte */ |
| 2800 | s = (*p>>7) & 1; |
| 2801 | e = (*p & 0x7F) << 4; |
| 2802 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2803 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2804 | /* Second byte */ |
| 2805 | e |= (*p>>4) & 0xF; |
| 2806 | fhi = (*p & 0xF) << 24; |
| 2807 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2808 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2809 | /* Third byte */ |
| 2810 | fhi |= (*p & 0xFF) << 16; |
| 2811 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2812 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2813 | /* Fourth byte */ |
| 2814 | fhi |= (*p & 0xFF) << 8; |
| 2815 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2816 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2817 | /* Fifth byte */ |
| 2818 | fhi |= *p & 0xFF; |
| 2819 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2820 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2821 | /* Sixth byte */ |
| 2822 | flo = (*p & 0xFF) << 16; |
| 2823 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2824 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2825 | /* Seventh byte */ |
| 2826 | flo |= (*p & 0xFF) << 8; |
| 2827 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2828 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2829 | /* Eighth byte */ |
| 2830 | flo |= *p & 0xFF; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2831 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2832 | x = (double)fhi + (double)flo / 16777216.0; /* 2**24 */ |
| 2833 | x /= 268435456.0; /* 2**28 */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2834 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2835 | /* XXX This sadly ignores Inf/NaN */ |
| 2836 | if (e == 0) |
| 2837 | e = -1022; |
| 2838 | else { |
| 2839 | x += 1.0; |
| 2840 | e -= 1023; |
| 2841 | } |
| 2842 | x = ldexp(x, e); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2843 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2844 | if (s) |
| 2845 | x = -x; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2846 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2847 | if (!( py_float = PyFloat_FromDouble(x))) return -1; |
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 | PDATA_PUSH(self->stack, py_float, -1); |
| 2850 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2851 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2852 | |
| 2853 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2854 | load_string(Unpicklerobject *self) |
| 2855 | { |
| 2856 | PyObject *str = 0; |
| 2857 | int len, res = -1, nslash; |
| 2858 | char *s, q, *p; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2859 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2860 | static PyObject *eval_dict = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2861 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2862 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 2863 | if (len < 2) return bad_readline(); |
| 2864 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2865 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2866 | /* Check for unquoted quotes (evil strings) */ |
| 2867 | q=*s; |
| 2868 | if (q != '"' && q != '\'') goto insecure; |
| 2869 | for (p=s+1, nslash=0; *p; p++) { |
| 2870 | if (*p==q && nslash%2==0) break; |
| 2871 | if (*p=='\\') nslash++; |
| 2872 | else nslash=0; |
| 2873 | } |
| 2874 | if (*p == q) { |
| 2875 | for (p++; *p; p++) |
| 2876 | if (*(unsigned char *)p > ' ') |
| 2877 | goto insecure; |
| 2878 | } |
| 2879 | else |
| 2880 | goto insecure; |
| 2881 | /********************************************/ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 2882 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2883 | if (!( eval_dict )) |
| 2884 | if (!( eval_dict = Py_BuildValue("{s{}}", "__builtins__"))) |
| 2885 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2886 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2887 | if (!( str = PyRun_String(s, Py_eval_input, eval_dict, eval_dict))) |
| 2888 | goto finally; |
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 | free(s); |
| 2891 | PDATA_PUSH(self->stack, str, -1); |
| 2892 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2893 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2894 | finally: |
| 2895 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2896 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2897 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2898 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2899 | insecure: |
| 2900 | free(s); |
| 2901 | PyErr_SetString(PyExc_ValueError,"insecure string pickle"); |
| 2902 | return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2903 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2904 | |
| 2905 | |
| 2906 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2907 | load_binstring(Unpicklerobject *self) |
| 2908 | { |
| 2909 | PyObject *py_string = 0; |
| 2910 | long l; |
| 2911 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2912 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2913 | if ((*self->read_func)(self, &s, 4) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2914 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2915 | l = calc_binint(s, 4); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2916 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2917 | if ((*self->read_func)(self, &s, l) < 0) |
| 2918 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2919 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2920 | if (!( py_string = PyString_FromStringAndSize(s, l))) |
| 2921 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2922 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2923 | PDATA_PUSH(self->stack, py_string, -1); |
| 2924 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2925 | } |
| 2926 | |
| 2927 | |
| 2928 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2929 | load_short_binstring(Unpicklerobject *self) |
| 2930 | { |
| 2931 | PyObject *py_string = 0; |
| 2932 | unsigned char l; |
| 2933 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2934 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2935 | if ((*self->read_func)(self, &s, 1) < 0) |
| 2936 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2937 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2938 | l = (unsigned char)s[0]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2939 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2940 | if ((*self->read_func)(self, &s, l) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2941 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2942 | if (!( py_string = PyString_FromStringAndSize(s, l))) 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 | PDATA_PUSH(self->stack, py_string, -1); |
| 2945 | return 0; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2946 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2947 | |
| 2948 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2949 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2950 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2951 | load_unicode(Unpicklerobject *self) |
| 2952 | { |
| 2953 | PyObject *str = 0; |
| 2954 | int len, res = -1; |
| 2955 | char *s; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2956 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2957 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 2958 | if (len < 1) return bad_readline(); |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2959 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2960 | if (!( str = PyUnicode_DecodeRawUnicodeEscape(s, len - 1, NULL))) |
| 2961 | goto finally; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2962 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2963 | PDATA_PUSH(self->stack, str, -1); |
| 2964 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2965 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2966 | finally: |
| 2967 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2968 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2969 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2970 | |
| 2971 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2972 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2973 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2974 | load_binunicode(Unpicklerobject *self) |
| 2975 | { |
| 2976 | PyObject *unicode; |
| 2977 | long l; |
| 2978 | char *s; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2979 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2980 | if ((*self->read_func)(self, &s, 4) < 0) return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2981 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2982 | l = calc_binint(s, 4); |
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 ((*self->read_func)(self, &s, l) < 0) |
| 2985 | return -1; |
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 | if (!( unicode = PyUnicode_DecodeUTF8(s, l, NULL))) |
| 2988 | return -1; |
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 | PDATA_PUSH(self->stack, unicode, -1); |
| 2991 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +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 | |
| 2996 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2997 | load_tuple(Unpicklerobject *self) |
| 2998 | { |
| 2999 | PyObject *tup; |
| 3000 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3001 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3002 | if ((i = marker(self)) < 0) return -1; |
| 3003 | if (!( tup=Pdata_popTuple(self->stack, i))) return -1; |
| 3004 | PDATA_PUSH(self->stack, tup, -1); |
| 3005 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3006 | } |
| 3007 | |
| 3008 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3009 | load_empty_tuple(Unpicklerobject *self) |
| 3010 | { |
| 3011 | PyObject *tup; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3012 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3013 | if (!( tup=PyTuple_New(0))) return -1; |
| 3014 | PDATA_PUSH(self->stack, tup, -1); |
| 3015 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3016 | } |
| 3017 | |
| 3018 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3019 | load_empty_list(Unpicklerobject *self) |
| 3020 | { |
| 3021 | PyObject *list; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3022 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3023 | if (!( list=PyList_New(0))) return -1; |
| 3024 | PDATA_PUSH(self->stack, list, -1); |
| 3025 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3026 | } |
| 3027 | |
| 3028 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3029 | load_empty_dict(Unpicklerobject *self) |
| 3030 | { |
| 3031 | PyObject *dict; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3032 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3033 | if (!( dict=PyDict_New())) return -1; |
| 3034 | PDATA_PUSH(self->stack, dict, -1); |
| 3035 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3036 | } |
| 3037 | |
| 3038 | |
| 3039 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3040 | load_list(Unpicklerobject *self) |
| 3041 | { |
| 3042 | PyObject *list = 0; |
| 3043 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3044 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3045 | if ((i = marker(self)) < 0) return -1; |
| 3046 | if (!( list=Pdata_popList(self->stack, i))) return -1; |
| 3047 | PDATA_PUSH(self->stack, list, -1); |
| 3048 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3049 | } |
| 3050 | |
| 3051 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3052 | load_dict(Unpicklerobject *self) |
| 3053 | { |
| 3054 | PyObject *dict, *key, *value; |
| 3055 | int i, j, k; |
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 ((i = marker(self)) < 0) return -1; |
| 3058 | j=self->stack->length; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3059 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3060 | if (!( dict = PyDict_New())) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3061 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3062 | for (k = i+1; k < j; k += 2) { |
| 3063 | key =self->stack->data[k-1]; |
| 3064 | value=self->stack->data[k ]; |
| 3065 | if (PyDict_SetItem(dict, key, value) < 0) { |
| 3066 | Py_DECREF(dict); |
| 3067 | return -1; |
| 3068 | } |
| 3069 | } |
| 3070 | Pdata_clear(self->stack, i); |
| 3071 | PDATA_PUSH(self->stack, dict, -1); |
| 3072 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3073 | } |
| 3074 | |
| 3075 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3076 | Instance_New(PyObject *cls, PyObject *args) |
| 3077 | { |
| 3078 | int has_key; |
| 3079 | PyObject *safe=0, *r=0; |
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 (PyClass_Check(cls)) { |
| 3082 | int l; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3083 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3084 | if ((l=PyObject_Size(args)) < 0) goto err; |
| 3085 | if (!( l )) { |
| 3086 | PyObject *__getinitargs__; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3087 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3088 | __getinitargs__ = PyObject_GetAttr(cls, |
| 3089 | __getinitargs___str); |
| 3090 | if (!__getinitargs__) { |
| 3091 | /* We have a class with no __getinitargs__, |
| 3092 | so bypass usual construction */ |
| 3093 | PyObject *inst; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3094 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3095 | PyErr_Clear(); |
| 3096 | if (!( inst=PyInstance_NewRaw(cls, NULL))) |
| 3097 | goto err; |
| 3098 | return inst; |
| 3099 | } |
| 3100 | Py_DECREF(__getinitargs__); |
| 3101 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3102 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3103 | if ((r=PyInstance_New(cls, args, NULL))) return r; |
| 3104 | else goto err; |
| 3105 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3106 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3107 | /* Is safe_constructors always a dict? */ |
| 3108 | has_key = cPickle_PyMapping_HasKey(safe_constructors, cls); |
| 3109 | if (!has_key) { |
| 3110 | safe = PyObject_GetAttr(cls, __safe_for_unpickling___str); |
| 3111 | if (!safe || |
| 3112 | !PyObject_IsTrue(safe)) { |
| 3113 | cPickle_ErrFormat(UnpicklingError, |
| 3114 | "%s is not safe for unpickling", |
| 3115 | "O", cls); |
| 3116 | Py_XDECREF(safe); |
| 3117 | return NULL; |
| 3118 | } |
| 3119 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 3120 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3121 | if (args==Py_None) { |
| 3122 | /* Special case, call cls.__basicnew__() */ |
| 3123 | PyObject *basicnew; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3124 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3125 | basicnew = PyObject_GetAttr(cls, __basicnew___str); |
| 3126 | if (!basicnew) return NULL; |
| 3127 | r=PyObject_CallObject(basicnew, NULL); |
| 3128 | Py_DECREF(basicnew); |
| 3129 | if (r) return r; |
| 3130 | } |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 3131 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3132 | if ((r=PyObject_CallObject(cls, args))) return r; |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 3133 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3134 | err: |
| 3135 | { |
| 3136 | PyObject *tp, *v, *tb; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3137 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3138 | PyErr_Fetch(&tp, &v, &tb); |
| 3139 | if ((r=Py_BuildValue("OOO",v,cls,args))) { |
| 3140 | Py_XDECREF(v); |
| 3141 | v=r; |
| 3142 | } |
| 3143 | PyErr_Restore(tp,v,tb); |
| 3144 | } |
| 3145 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3146 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3147 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3148 | |
| 3149 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3150 | load_obj(Unpicklerobject *self) |
| 3151 | { |
| 3152 | PyObject *class, *tup, *obj=0; |
| 3153 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3154 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3155 | if ((i = marker(self)) < 0) return -1; |
| 3156 | if (!( tup=Pdata_popTuple(self->stack, i+1))) return -1; |
| 3157 | PDATA_POP(self->stack, class); |
| 3158 | if (class) { |
| 3159 | obj = Instance_New(class, tup); |
| 3160 | Py_DECREF(class); |
| 3161 | } |
| 3162 | Py_DECREF(tup); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3163 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3164 | if (! obj) return -1; |
| 3165 | PDATA_PUSH(self->stack, obj, -1); |
| 3166 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3167 | } |
| 3168 | |
| 3169 | |
| 3170 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3171 | load_inst(Unpicklerobject *self) |
| 3172 | { |
| 3173 | PyObject *tup, *class=0, *obj=0, *module_name, *class_name; |
| 3174 | int i, len; |
| 3175 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3176 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3177 | if ((i = marker(self)) < 0) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3178 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3179 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 3180 | if (len < 2) return bad_readline(); |
| 3181 | module_name = PyString_FromStringAndSize(s, len - 1); |
| 3182 | if (!module_name) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3183 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3184 | if ((len = (*self->readline_func)(self, &s)) >= 0) { |
| 3185 | if (len < 2) return bad_readline(); |
| 3186 | if ((class_name = PyString_FromStringAndSize(s, len - 1))) { |
| 3187 | class = find_class(module_name, class_name, |
| 3188 | self->find_class); |
| 3189 | Py_DECREF(class_name); |
| 3190 | } |
| 3191 | } |
| 3192 | Py_DECREF(module_name); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3193 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3194 | if (! class) return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3195 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3196 | if ((tup=Pdata_popTuple(self->stack, i))) { |
| 3197 | obj = Instance_New(class, tup); |
| 3198 | Py_DECREF(tup); |
| 3199 | } |
| 3200 | Py_DECREF(class); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3201 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3202 | if (! obj) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3203 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3204 | PDATA_PUSH(self->stack, obj, -1); |
| 3205 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3206 | } |
| 3207 | |
| 3208 | |
| 3209 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3210 | load_global(Unpicklerobject *self) |
| 3211 | { |
| 3212 | PyObject *class = 0, *module_name = 0, *class_name = 0; |
| 3213 | int len; |
| 3214 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3215 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3216 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 3217 | if (len < 2) return bad_readline(); |
| 3218 | module_name = PyString_FromStringAndSize(s, len - 1); |
| 3219 | if (!module_name) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3220 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3221 | if ((len = (*self->readline_func)(self, &s)) >= 0) { |
| 3222 | if (len < 2) return bad_readline(); |
| 3223 | if ((class_name = PyString_FromStringAndSize(s, len - 1))) { |
| 3224 | class = find_class(module_name, class_name, |
| 3225 | self->find_class); |
| 3226 | Py_DECREF(class_name); |
| 3227 | } |
| 3228 | } |
| 3229 | Py_DECREF(module_name); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3230 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3231 | if (! class) return -1; |
| 3232 | PDATA_PUSH(self->stack, class, -1); |
| 3233 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3234 | } |
| 3235 | |
| 3236 | |
| 3237 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3238 | load_persid(Unpicklerobject *self) |
| 3239 | { |
| 3240 | PyObject *pid = 0; |
| 3241 | int len; |
| 3242 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3243 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3244 | if (self->pers_func) { |
| 3245 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 3246 | if (len < 2) return bad_readline(); |
| 3247 | |
| 3248 | pid = PyString_FromStringAndSize(s, len - 1); |
| 3249 | if (!pid) return -1; |
| 3250 | |
| 3251 | if (PyList_Check(self->pers_func)) { |
| 3252 | if (PyList_Append(self->pers_func, pid) < 0) { |
| 3253 | Py_DECREF(pid); |
| 3254 | return -1; |
| 3255 | } |
| 3256 | } |
| 3257 | else { |
| 3258 | ARG_TUP(self, pid); |
| 3259 | if (self->arg) { |
| 3260 | pid = PyObject_Call(self->pers_func, self->arg, |
| 3261 | NULL); |
| 3262 | FREE_ARG_TUP(self); |
| 3263 | } |
| 3264 | } |
| 3265 | |
| 3266 | if (! pid) return -1; |
| 3267 | |
| 3268 | PDATA_PUSH(self->stack, pid, -1); |
| 3269 | return 0; |
| 3270 | } |
| 3271 | else { |
| 3272 | PyErr_SetString(UnpicklingError, |
| 3273 | "A load persistent id instruction was encountered,\n" |
| 3274 | "but no persistent_load function was specified."); |
| 3275 | return -1; |
| 3276 | } |
| 3277 | } |
| 3278 | |
| 3279 | static int |
| 3280 | load_binpersid(Unpicklerobject *self) |
| 3281 | { |
| 3282 | PyObject *pid = 0; |
| 3283 | |
| 3284 | if (self->pers_func) { |
| 3285 | PDATA_POP(self->stack, pid); |
| 3286 | if (! pid) return -1; |
| 3287 | |
| 3288 | if (PyList_Check(self->pers_func)) { |
| 3289 | if (PyList_Append(self->pers_func, pid) < 0) { |
| 3290 | Py_DECREF(pid); |
| 3291 | return -1; |
| 3292 | } |
| 3293 | } |
| 3294 | else { |
| 3295 | ARG_TUP(self, pid); |
| 3296 | if (self->arg) { |
| 3297 | pid = PyObject_Call(self->pers_func, self->arg, |
| 3298 | NULL); |
| 3299 | FREE_ARG_TUP(self); |
| 3300 | } |
| 3301 | if (! pid) return -1; |
| 3302 | } |
| 3303 | |
| 3304 | PDATA_PUSH(self->stack, pid, -1); |
| 3305 | return 0; |
| 3306 | } |
| 3307 | else { |
| 3308 | PyErr_SetString(UnpicklingError, |
| 3309 | "A load persistent id instruction was encountered,\n" |
| 3310 | "but no persistent_load function was specified."); |
| 3311 | return -1; |
| 3312 | } |
| 3313 | } |
| 3314 | |
| 3315 | |
| 3316 | static int |
| 3317 | load_pop(Unpicklerobject *self) |
| 3318 | { |
| 3319 | int len; |
| 3320 | |
| 3321 | if (!( (len=self->stack->length) > 0 )) return stackUnderflow(); |
| 3322 | |
| 3323 | /* Note that we split the (pickle.py) stack into two stacks, |
| 3324 | an object stack and a mark stack. We have to be clever and |
| 3325 | pop the right one. We do this by looking at the top of the |
| 3326 | mark stack. |
| 3327 | */ |
| 3328 | |
| 3329 | if ((self->num_marks > 0) && |
| 3330 | (self->marks[self->num_marks - 1] == len)) |
| 3331 | self->num_marks--; |
| 3332 | else { |
| 3333 | len--; |
| 3334 | Py_DECREF(self->stack->data[len]); |
| 3335 | self->stack->length=len; |
| 3336 | } |
| 3337 | |
| 3338 | return 0; |
| 3339 | } |
| 3340 | |
| 3341 | |
| 3342 | static int |
| 3343 | load_pop_mark(Unpicklerobject *self) |
| 3344 | { |
| 3345 | int i; |
| 3346 | |
| 3347 | if ((i = marker(self)) < 0) |
| 3348 | return -1; |
| 3349 | |
| 3350 | Pdata_clear(self->stack, i); |
| 3351 | |
| 3352 | return 0; |
| 3353 | } |
| 3354 | |
| 3355 | |
| 3356 | static int |
| 3357 | load_dup(Unpicklerobject *self) |
| 3358 | { |
| 3359 | PyObject *last; |
| 3360 | int len; |
| 3361 | |
| 3362 | if ((len = self->stack->length) <= 0) return stackUnderflow(); |
| 3363 | last=self->stack->data[len-1]; |
| 3364 | Py_INCREF(last); |
| 3365 | PDATA_PUSH(self->stack, last, -1); |
| 3366 | return 0; |
| 3367 | } |
| 3368 | |
| 3369 | |
| 3370 | static int |
| 3371 | load_get(Unpicklerobject *self) |
| 3372 | { |
| 3373 | PyObject *py_str = 0, *value = 0; |
| 3374 | int len; |
| 3375 | char *s; |
| 3376 | int rc; |
| 3377 | |
| 3378 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 3379 | if (len < 2) return bad_readline(); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3380 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3381 | if (!( py_str = PyString_FromStringAndSize(s, len - 1))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3382 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3383 | value = PyDict_GetItem(self->memo, py_str); |
| 3384 | if (! value) { |
| 3385 | PyErr_SetObject(BadPickleGet, py_str); |
| 3386 | rc = -1; |
| 3387 | } else { |
| 3388 | PDATA_APPEND(self->stack, value, -1); |
| 3389 | rc = 0; |
| 3390 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3391 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3392 | Py_DECREF(py_str); |
| 3393 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3394 | } |
| 3395 | |
| 3396 | |
| 3397 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3398 | load_binget(Unpicklerobject *self) |
| 3399 | { |
| 3400 | PyObject *py_key = 0, *value = 0; |
| 3401 | unsigned char key; |
| 3402 | char *s; |
| 3403 | int rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3404 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3405 | if ((*self->read_func)(self, &s, 1) < 0) 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 | key = (unsigned char)s[0]; |
| 3408 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
Guido van Rossum | ea2b715 | 2000-05-09 18:14:50 +0000 | [diff] [blame] | 3409 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3410 | value = PyDict_GetItem(self->memo, py_key); |
| 3411 | if (! value) { |
| 3412 | PyErr_SetObject(BadPickleGet, py_key); |
| 3413 | rc = -1; |
| 3414 | } else { |
| 3415 | PDATA_APPEND(self->stack, value, -1); |
| 3416 | rc = 0; |
| 3417 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3418 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3419 | Py_DECREF(py_key); |
| 3420 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3421 | } |
| 3422 | |
| 3423 | |
| 3424 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3425 | load_long_binget(Unpicklerobject *self) |
| 3426 | { |
| 3427 | PyObject *py_key = 0, *value = 0; |
| 3428 | unsigned char c; |
| 3429 | char *s; |
| 3430 | long key; |
| 3431 | int rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3432 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3433 | if ((*self->read_func)(self, &s, 4) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3434 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3435 | c = (unsigned char)s[0]; |
| 3436 | key = (long)c; |
| 3437 | c = (unsigned char)s[1]; |
| 3438 | key |= (long)c << 8; |
| 3439 | c = (unsigned char)s[2]; |
| 3440 | key |= (long)c << 16; |
| 3441 | c = (unsigned char)s[3]; |
| 3442 | key |= (long)c << 24; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3443 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3444 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
| 3445 | |
| 3446 | value = PyDict_GetItem(self->memo, py_key); |
| 3447 | if (! value) { |
| 3448 | PyErr_SetObject(BadPickleGet, py_key); |
| 3449 | rc = -1; |
| 3450 | } else { |
| 3451 | PDATA_APPEND(self->stack, value, -1); |
| 3452 | rc = 0; |
| 3453 | } |
| 3454 | |
| 3455 | Py_DECREF(py_key); |
| 3456 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3457 | } |
| 3458 | |
| 3459 | |
| 3460 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3461 | load_put(Unpicklerobject *self) |
| 3462 | { |
| 3463 | PyObject *py_str = 0, *value = 0; |
| 3464 | int len, l; |
| 3465 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3466 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3467 | if ((l = (*self->readline_func)(self, &s)) < 0) return -1; |
| 3468 | if (l < 2) return bad_readline(); |
| 3469 | if (!( len=self->stack->length )) return stackUnderflow(); |
| 3470 | if (!( py_str = PyString_FromStringAndSize(s, l - 1))) return -1; |
| 3471 | value=self->stack->data[len-1]; |
| 3472 | l=PyDict_SetItem(self->memo, py_str, value); |
| 3473 | Py_DECREF(py_str); |
| 3474 | return l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3475 | } |
| 3476 | |
| 3477 | |
| 3478 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3479 | load_binput(Unpicklerobject *self) |
| 3480 | { |
| 3481 | PyObject *py_key = 0, *value = 0; |
| 3482 | unsigned char key; |
| 3483 | char *s; |
| 3484 | int len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3485 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3486 | if ((*self->read_func)(self, &s, 1) < 0) return -1; |
| 3487 | if (!( (len=self->stack->length) > 0 )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3488 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3489 | key = (unsigned char)s[0]; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 3490 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3491 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
| 3492 | value=self->stack->data[len-1]; |
| 3493 | len=PyDict_SetItem(self->memo, py_key, value); |
| 3494 | Py_DECREF(py_key); |
| 3495 | return len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3496 | } |
| 3497 | |
| 3498 | |
| 3499 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3500 | load_long_binput(Unpicklerobject *self) |
| 3501 | { |
| 3502 | PyObject *py_key = 0, *value = 0; |
| 3503 | long key; |
| 3504 | unsigned char c; |
| 3505 | char *s; |
| 3506 | int len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3507 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3508 | if ((*self->read_func)(self, &s, 4) < 0) return -1; |
| 3509 | if (!( len=self->stack->length )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3510 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3511 | c = (unsigned char)s[0]; |
| 3512 | key = (long)c; |
| 3513 | c = (unsigned char)s[1]; |
| 3514 | key |= (long)c << 8; |
| 3515 | c = (unsigned char)s[2]; |
| 3516 | key |= (long)c << 16; |
| 3517 | c = (unsigned char)s[3]; |
| 3518 | key |= (long)c << 24; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3519 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3520 | if (!( py_key = PyInt_FromLong(key))) return -1; |
| 3521 | value=self->stack->data[len-1]; |
| 3522 | len=PyDict_SetItem(self->memo, py_key, value); |
| 3523 | Py_DECREF(py_key); |
| 3524 | return len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3525 | } |
| 3526 | |
| 3527 | |
| 3528 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3529 | do_append(Unpicklerobject *self, int x) |
| 3530 | { |
| 3531 | PyObject *value = 0, *list = 0, *append_method = 0; |
| 3532 | int len, i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3533 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3534 | len=self->stack->length; |
| 3535 | if (!( len >= x && x > 0 )) return stackUnderflow(); |
| 3536 | /* nothing to do */ |
| 3537 | if (len==x) return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3538 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3539 | list=self->stack->data[x-1]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3540 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3541 | if (PyList_Check(list)) { |
| 3542 | PyObject *slice; |
| 3543 | int list_len; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3544 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3545 | slice=Pdata_popList(self->stack, x); |
| 3546 | list_len = PyList_GET_SIZE(list); |
| 3547 | i=PyList_SetSlice(list, list_len, list_len, slice); |
| 3548 | Py_DECREF(slice); |
| 3549 | return i; |
| 3550 | } |
| 3551 | else { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3552 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3553 | if (!( append_method = PyObject_GetAttr(list, append_str))) |
| 3554 | return -1; |
| 3555 | |
| 3556 | for (i = x; i < len; i++) { |
| 3557 | PyObject *junk; |
| 3558 | |
| 3559 | value=self->stack->data[i]; |
| 3560 | junk=0; |
| 3561 | ARG_TUP(self, value); |
| 3562 | if (self->arg) { |
| 3563 | junk = PyObject_Call(append_method, self->arg, |
| 3564 | NULL); |
| 3565 | FREE_ARG_TUP(self); |
| 3566 | } |
| 3567 | if (! junk) { |
| 3568 | Pdata_clear(self->stack, i+1); |
| 3569 | self->stack->length=x; |
| 3570 | Py_DECREF(append_method); |
| 3571 | return -1; |
| 3572 | } |
| 3573 | Py_DECREF(junk); |
| 3574 | } |
| 3575 | self->stack->length=x; |
| 3576 | Py_DECREF(append_method); |
| 3577 | } |
| 3578 | |
| 3579 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3580 | } |
| 3581 | |
| 3582 | |
| 3583 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3584 | load_append(Unpicklerobject *self) |
| 3585 | { |
| 3586 | return do_append(self, self->stack->length - 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3587 | } |
| 3588 | |
| 3589 | |
| 3590 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3591 | load_appends(Unpicklerobject *self) |
| 3592 | { |
| 3593 | return do_append(self, marker(self)); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3594 | } |
| 3595 | |
| 3596 | |
| 3597 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3598 | do_setitems(Unpicklerobject *self, int x) |
| 3599 | { |
| 3600 | PyObject *value = 0, *key = 0, *dict = 0; |
| 3601 | int len, i, r=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3602 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3603 | if (!( (len=self->stack->length) >= x |
| 3604 | && x > 0 )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3605 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3606 | dict=self->stack->data[x-1]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3607 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3608 | for (i = x+1; i < len; i += 2) { |
| 3609 | key =self->stack->data[i-1]; |
| 3610 | value=self->stack->data[i ]; |
| 3611 | if (PyObject_SetItem(dict, key, value) < 0) { |
| 3612 | r=-1; |
| 3613 | break; |
| 3614 | } |
| 3615 | } |
| 3616 | |
| 3617 | Pdata_clear(self->stack, x); |
| 3618 | |
| 3619 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3620 | } |
| 3621 | |
| 3622 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3623 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3624 | load_setitem(Unpicklerobject *self) |
| 3625 | { |
| 3626 | return do_setitems(self, self->stack->length - 2); |
| 3627 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3628 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3629 | static int |
| 3630 | load_setitems(Unpicklerobject *self) |
| 3631 | { |
| 3632 | return do_setitems(self, marker(self)); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3633 | } |
| 3634 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3635 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3636 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3637 | load_build(Unpicklerobject *self) |
| 3638 | { |
| 3639 | PyObject *value = 0, *inst = 0, *instdict = 0, *d_key = 0, *d_value = 0, |
| 3640 | *junk = 0, *__setstate__ = 0; |
| 3641 | int i, r = 0; |
| 3642 | |
| 3643 | if (self->stack->length < 2) return stackUnderflow(); |
| 3644 | PDATA_POP(self->stack, value); |
| 3645 | if (! value) return -1; |
| 3646 | inst=self->stack->data[self->stack->length-1]; |
| 3647 | |
| 3648 | if ((__setstate__ = PyObject_GetAttr(inst, __setstate___str))) { |
| 3649 | ARG_TUP(self, value); |
| 3650 | if (self->arg) { |
| 3651 | junk = PyObject_Call(__setstate__, self->arg, NULL); |
| 3652 | FREE_ARG_TUP(self); |
| 3653 | } |
| 3654 | Py_DECREF(__setstate__); |
| 3655 | if (! junk) return -1; |
| 3656 | Py_DECREF(junk); |
| 3657 | return 0; |
| 3658 | } |
| 3659 | |
| 3660 | PyErr_Clear(); |
| 3661 | if ((instdict = PyObject_GetAttr(inst, __dict___str))) { |
| 3662 | i = 0; |
| 3663 | while (PyDict_Next(value, &i, &d_key, &d_value)) { |
| 3664 | if (PyObject_SetItem(instdict, d_key, d_value) < 0) { |
| 3665 | r=-1; |
| 3666 | break; |
| 3667 | } |
| 3668 | } |
| 3669 | Py_DECREF(instdict); |
| 3670 | } |
| 3671 | else r=-1; |
| 3672 | |
| 3673 | Py_XDECREF(value); |
| 3674 | |
| 3675 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3676 | } |
| 3677 | |
| 3678 | |
| 3679 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3680 | load_mark(Unpicklerobject *self) |
| 3681 | { |
| 3682 | int s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3683 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3684 | /* Note that we split the (pickle.py) stack into two stacks, an |
| 3685 | object stack and a mark stack. Here we push a mark onto the |
| 3686 | mark stack. |
| 3687 | */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3688 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3689 | if ((self->num_marks + 1) >= self->marks_size) { |
| 3690 | s=self->marks_size+20; |
| 3691 | if (s <= self->num_marks) s=self->num_marks + 1; |
| 3692 | if (self->marks == NULL) |
| 3693 | self->marks=(int *)malloc(s * sizeof(int)); |
| 3694 | else |
| 3695 | self->marks=(int *)realloc(self->marks, |
| 3696 | s * sizeof(int)); |
| 3697 | if (! self->marks) { |
| 3698 | PyErr_NoMemory(); |
| 3699 | return -1; |
| 3700 | } |
| 3701 | self->marks_size = s; |
| 3702 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3703 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3704 | self->marks[self->num_marks++] = self->stack->length; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3705 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3706 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3707 | } |
| 3708 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3709 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3710 | load_reduce(Unpicklerobject *self) |
| 3711 | { |
| 3712 | PyObject *callable = 0, *arg_tup = 0, *ob = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3713 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3714 | PDATA_POP(self->stack, arg_tup); |
| 3715 | if (! arg_tup) return -1; |
| 3716 | PDATA_POP(self->stack, callable); |
| 3717 | if (callable) { |
| 3718 | ob = Instance_New(callable, arg_tup); |
| 3719 | Py_DECREF(callable); |
| 3720 | } |
| 3721 | Py_DECREF(arg_tup); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3722 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3723 | if (! ob) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3724 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3725 | PDATA_PUSH(self->stack, ob, -1); |
| 3726 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3727 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3728 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3729 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3730 | load(Unpicklerobject *self) |
| 3731 | { |
| 3732 | PyObject *err = 0, *val = 0; |
| 3733 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3734 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3735 | self->num_marks = 0; |
| 3736 | if (self->stack->length) Pdata_clear(self->stack, 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 | while (1) { |
| 3739 | if ((*self->read_func)(self, &s, 1) < 0) |
| 3740 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3741 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3742 | switch (s[0]) { |
| 3743 | case NONE: |
| 3744 | if (load_none(self) < 0) |
| 3745 | break; |
| 3746 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3747 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3748 | case BININT: |
| 3749 | if (load_binint(self) < 0) |
| 3750 | break; |
| 3751 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3752 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3753 | case BININT1: |
| 3754 | if (load_binint1(self) < 0) |
| 3755 | break; |
| 3756 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3757 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3758 | case BININT2: |
| 3759 | if (load_binint2(self) < 0) |
| 3760 | break; |
| 3761 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3762 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3763 | case INT: |
| 3764 | if (load_int(self) < 0) |
| 3765 | break; |
| 3766 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3767 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3768 | case LONG: |
| 3769 | if (load_long(self) < 0) |
| 3770 | break; |
| 3771 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3772 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3773 | case FLOAT: |
| 3774 | if (load_float(self) < 0) |
| 3775 | break; |
| 3776 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3777 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3778 | case BINFLOAT: |
| 3779 | if (load_binfloat(self) < 0) |
| 3780 | break; |
| 3781 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3782 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3783 | case BINSTRING: |
| 3784 | if (load_binstring(self) < 0) |
| 3785 | break; |
| 3786 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3787 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3788 | case SHORT_BINSTRING: |
| 3789 | if (load_short_binstring(self) < 0) |
| 3790 | break; |
| 3791 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3792 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3793 | case STRING: |
| 3794 | if (load_string(self) < 0) |
| 3795 | break; |
| 3796 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3797 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3798 | #ifdef Py_USING_UNICODE |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3799 | case UNICODE: |
| 3800 | if (load_unicode(self) < 0) |
| 3801 | break; |
| 3802 | continue; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3803 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3804 | case BINUNICODE: |
| 3805 | if (load_binunicode(self) < 0) |
| 3806 | break; |
| 3807 | continue; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3808 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3809 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3810 | case EMPTY_TUPLE: |
| 3811 | if (load_empty_tuple(self) < 0) |
| 3812 | break; |
| 3813 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3814 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3815 | case TUPLE: |
| 3816 | if (load_tuple(self) < 0) |
| 3817 | break; |
| 3818 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3819 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3820 | case EMPTY_LIST: |
| 3821 | if (load_empty_list(self) < 0) |
| 3822 | break; |
| 3823 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3824 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3825 | case LIST: |
| 3826 | if (load_list(self) < 0) |
| 3827 | break; |
| 3828 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3829 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3830 | case EMPTY_DICT: |
| 3831 | if (load_empty_dict(self) < 0) |
| 3832 | break; |
| 3833 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3834 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3835 | case DICT: |
| 3836 | if (load_dict(self) < 0) |
| 3837 | break; |
| 3838 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3839 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3840 | case OBJ: |
| 3841 | if (load_obj(self) < 0) |
| 3842 | break; |
| 3843 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3844 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3845 | case INST: |
| 3846 | if (load_inst(self) < 0) |
| 3847 | break; |
| 3848 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3849 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3850 | case GLOBAL: |
| 3851 | if (load_global(self) < 0) |
| 3852 | break; |
| 3853 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3854 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3855 | case APPEND: |
| 3856 | if (load_append(self) < 0) |
| 3857 | break; |
| 3858 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3859 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3860 | case APPENDS: |
| 3861 | if (load_appends(self) < 0) |
| 3862 | break; |
| 3863 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3864 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3865 | case BUILD: |
| 3866 | if (load_build(self) < 0) |
| 3867 | break; |
| 3868 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3869 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3870 | case DUP: |
| 3871 | if (load_dup(self) < 0) |
| 3872 | break; |
| 3873 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3874 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3875 | case BINGET: |
| 3876 | if (load_binget(self) < 0) |
| 3877 | break; |
| 3878 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3879 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3880 | case LONG_BINGET: |
| 3881 | if (load_long_binget(self) < 0) |
| 3882 | break; |
| 3883 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3884 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3885 | case GET: |
| 3886 | if (load_get(self) < 0) |
| 3887 | break; |
| 3888 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3889 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3890 | case MARK: |
| 3891 | if (load_mark(self) < 0) |
| 3892 | break; |
| 3893 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3894 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3895 | case BINPUT: |
| 3896 | if (load_binput(self) < 0) |
| 3897 | break; |
| 3898 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3899 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3900 | case LONG_BINPUT: |
| 3901 | if (load_long_binput(self) < 0) |
| 3902 | break; |
| 3903 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3904 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3905 | case PUT: |
| 3906 | if (load_put(self) < 0) |
| 3907 | break; |
| 3908 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3909 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3910 | case POP: |
| 3911 | if (load_pop(self) < 0) |
| 3912 | break; |
| 3913 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3914 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3915 | case POP_MARK: |
| 3916 | if (load_pop_mark(self) < 0) |
| 3917 | break; |
| 3918 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3919 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3920 | case SETITEM: |
| 3921 | if (load_setitem(self) < 0) |
| 3922 | break; |
| 3923 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3924 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3925 | case SETITEMS: |
| 3926 | if (load_setitems(self) < 0) |
| 3927 | break; |
| 3928 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3929 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3930 | case STOP: |
| 3931 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3932 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3933 | case PERSID: |
| 3934 | if (load_persid(self) < 0) |
| 3935 | break; |
| 3936 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3937 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3938 | case BINPERSID: |
| 3939 | if (load_binpersid(self) < 0) |
| 3940 | break; |
| 3941 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3942 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3943 | case REDUCE: |
| 3944 | if (load_reduce(self) < 0) |
| 3945 | break; |
| 3946 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3947 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3948 | case '\0': |
| 3949 | /* end of file */ |
| 3950 | PyErr_SetNone(PyExc_EOFError); |
| 3951 | break; |
Neil Schemenauer | fa79c65 | 2002-03-22 23:02:53 +0000 | [diff] [blame] | 3952 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3953 | default: |
| 3954 | cPickle_ErrFormat(UnpicklingError, |
| 3955 | "invalid load key, '%s'.", |
| 3956 | "c", s[0]); |
| 3957 | return NULL; |
| 3958 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3959 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3960 | break; |
| 3961 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3962 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3963 | if ((err = PyErr_Occurred())) { |
| 3964 | if (err == PyExc_EOFError) { |
| 3965 | PyErr_SetNone(PyExc_EOFError); |
| 3966 | } |
| 3967 | return NULL; |
| 3968 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3969 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3970 | PDATA_POP(self->stack, val); |
| 3971 | return val; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3972 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3973 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3974 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3975 | /* No-load functions to support noload, which is used to |
| 3976 | find persistent references. */ |
| 3977 | |
| 3978 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3979 | noload_obj(Unpicklerobject *self) |
| 3980 | { |
| 3981 | int i; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3982 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3983 | if ((i = marker(self)) < 0) return -1; |
| 3984 | return Pdata_clear(self->stack, i+1); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3985 | } |
| 3986 | |
| 3987 | |
| 3988 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3989 | noload_inst(Unpicklerobject *self) |
| 3990 | { |
| 3991 | int i; |
| 3992 | char *s; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3993 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3994 | if ((i = marker(self)) < 0) return -1; |
| 3995 | Pdata_clear(self->stack, i); |
| 3996 | if ((*self->readline_func)(self, &s) < 0) return -1; |
| 3997 | if ((*self->readline_func)(self, &s) < 0) return -1; |
| 3998 | PDATA_APPEND(self->stack, Py_None,-1); |
| 3999 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4000 | } |
| 4001 | |
| 4002 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4003 | noload_global(Unpicklerobject *self) |
| 4004 | { |
| 4005 | char *s; |
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 ((*self->readline_func)(self, &s) < 0) return -1; |
| 4008 | if ((*self->readline_func)(self, &s) < 0) return -1; |
| 4009 | PDATA_APPEND(self->stack, Py_None,-1); |
| 4010 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4011 | } |
| 4012 | |
| 4013 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4014 | noload_reduce(Unpicklerobject *self) |
| 4015 | { |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4016 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4017 | if (self->stack->length < 2) return stackUnderflow(); |
| 4018 | Pdata_clear(self->stack, self->stack->length-2); |
| 4019 | PDATA_APPEND(self->stack, Py_None,-1); |
| 4020 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4021 | } |
| 4022 | |
| 4023 | static int |
| 4024 | noload_build(Unpicklerobject *self) { |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4025 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 4026 | if (self->stack->length < 1) return stackUnderflow(); |
| 4027 | Pdata_clear(self->stack, self->stack->length-1); |
Guido van Rossum | 50f385c | 1998-12-04 18:48:44 +0000 | [diff] [blame] | 4028 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4029 | } |
| 4030 | |
| 4031 | |
| 4032 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4033 | noload(Unpicklerobject *self) |
| 4034 | { |
| 4035 | PyObject *err = 0, *val = 0; |
| 4036 | char *s; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4037 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4038 | self->num_marks = 0; |
| 4039 | Pdata_clear(self->stack, 0); |
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 | while (1) { |
| 4042 | if ((*self->read_func)(self, &s, 1) < 0) |
| 4043 | break; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4044 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4045 | switch (s[0]) { |
| 4046 | case NONE: |
| 4047 | if (load_none(self) < 0) |
| 4048 | break; |
| 4049 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4050 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4051 | case BININT: |
| 4052 | if (load_binint(self) < 0) |
| 4053 | break; |
| 4054 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4055 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4056 | case BININT1: |
| 4057 | if (load_binint1(self) < 0) |
| 4058 | break; |
| 4059 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4060 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4061 | case BININT2: |
| 4062 | if (load_binint2(self) < 0) |
| 4063 | break; |
| 4064 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4065 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4066 | case INT: |
| 4067 | if (load_int(self) < 0) |
| 4068 | break; |
| 4069 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4070 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4071 | case LONG: |
| 4072 | if (load_long(self) < 0) |
| 4073 | break; |
| 4074 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4075 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4076 | case FLOAT: |
| 4077 | if (load_float(self) < 0) |
| 4078 | break; |
| 4079 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4080 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4081 | case BINFLOAT: |
| 4082 | if (load_binfloat(self) < 0) |
| 4083 | break; |
| 4084 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4085 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4086 | case BINSTRING: |
| 4087 | if (load_binstring(self) < 0) |
| 4088 | break; |
| 4089 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4090 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4091 | case SHORT_BINSTRING: |
| 4092 | if (load_short_binstring(self) < 0) |
| 4093 | break; |
| 4094 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4095 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4096 | case STRING: |
| 4097 | if (load_string(self) < 0) |
| 4098 | break; |
| 4099 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4100 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4101 | #ifdef Py_USING_UNICODE |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4102 | case UNICODE: |
| 4103 | if (load_unicode(self) < 0) |
| 4104 | break; |
| 4105 | continue; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4106 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4107 | case BINUNICODE: |
| 4108 | if (load_binunicode(self) < 0) |
| 4109 | break; |
| 4110 | continue; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4111 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4112 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4113 | case EMPTY_TUPLE: |
| 4114 | if (load_empty_tuple(self) < 0) |
| 4115 | break; |
| 4116 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4117 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4118 | case TUPLE: |
| 4119 | if (load_tuple(self) < 0) |
| 4120 | break; |
| 4121 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4122 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4123 | case EMPTY_LIST: |
| 4124 | if (load_empty_list(self) < 0) |
| 4125 | break; |
| 4126 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4127 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4128 | case LIST: |
| 4129 | if (load_list(self) < 0) |
| 4130 | break; |
| 4131 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4132 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4133 | case EMPTY_DICT: |
| 4134 | if (load_empty_dict(self) < 0) |
| 4135 | break; |
| 4136 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4137 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4138 | case DICT: |
| 4139 | if (load_dict(self) < 0) |
| 4140 | break; |
| 4141 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4142 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4143 | case OBJ: |
| 4144 | if (noload_obj(self) < 0) |
| 4145 | break; |
| 4146 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4147 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4148 | case INST: |
| 4149 | if (noload_inst(self) < 0) |
| 4150 | break; |
| 4151 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4152 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4153 | case GLOBAL: |
| 4154 | if (noload_global(self) < 0) |
| 4155 | break; |
| 4156 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4157 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4158 | case APPEND: |
| 4159 | if (load_append(self) < 0) |
| 4160 | break; |
| 4161 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4162 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4163 | case APPENDS: |
| 4164 | if (load_appends(self) < 0) |
| 4165 | break; |
| 4166 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4167 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4168 | case BUILD: |
| 4169 | if (noload_build(self) < 0) |
| 4170 | break; |
| 4171 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4172 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4173 | case DUP: |
| 4174 | if (load_dup(self) < 0) |
| 4175 | break; |
| 4176 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4177 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4178 | case BINGET: |
| 4179 | if (load_binget(self) < 0) |
| 4180 | break; |
| 4181 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4182 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4183 | case LONG_BINGET: |
| 4184 | if (load_long_binget(self) < 0) |
| 4185 | break; |
| 4186 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4187 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4188 | case GET: |
| 4189 | if (load_get(self) < 0) |
| 4190 | break; |
| 4191 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4192 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4193 | case MARK: |
| 4194 | if (load_mark(self) < 0) |
| 4195 | break; |
| 4196 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4197 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4198 | case BINPUT: |
| 4199 | if (load_binput(self) < 0) |
| 4200 | break; |
| 4201 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4202 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4203 | case LONG_BINPUT: |
| 4204 | if (load_long_binput(self) < 0) |
| 4205 | break; |
| 4206 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4207 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4208 | case PUT: |
| 4209 | if (load_put(self) < 0) |
| 4210 | break; |
| 4211 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4212 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4213 | case POP: |
| 4214 | if (load_pop(self) < 0) |
| 4215 | break; |
| 4216 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4217 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4218 | case POP_MARK: |
| 4219 | if (load_pop_mark(self) < 0) |
| 4220 | break; |
| 4221 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4222 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4223 | case SETITEM: |
| 4224 | if (load_setitem(self) < 0) |
| 4225 | break; |
| 4226 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4227 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4228 | case SETITEMS: |
| 4229 | if (load_setitems(self) < 0) |
| 4230 | break; |
| 4231 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4232 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4233 | case STOP: |
| 4234 | break; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4235 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4236 | case PERSID: |
| 4237 | if (load_persid(self) < 0) |
| 4238 | break; |
| 4239 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4240 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4241 | case BINPERSID: |
| 4242 | if (load_binpersid(self) < 0) |
| 4243 | break; |
| 4244 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4245 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4246 | case REDUCE: |
| 4247 | if (noload_reduce(self) < 0) |
| 4248 | break; |
| 4249 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4250 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4251 | default: |
| 4252 | cPickle_ErrFormat(UnpicklingError, |
| 4253 | "invalid load key, '%s'.", |
| 4254 | "c", s[0]); |
| 4255 | return NULL; |
| 4256 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4257 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4258 | break; |
| 4259 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4260 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4261 | if ((err = PyErr_Occurred())) { |
| 4262 | if (err == PyExc_EOFError) { |
| 4263 | PyErr_SetNone(PyExc_EOFError); |
| 4264 | } |
| 4265 | return NULL; |
| 4266 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4267 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4268 | PDATA_POP(self->stack, val); |
| 4269 | return val; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4270 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4271 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4272 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4273 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4274 | Unpickler_load(Unpicklerobject *self, PyObject *args) |
| 4275 | { |
| 4276 | if (!( PyArg_ParseTuple(args, ":load"))) |
| 4277 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4278 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4279 | return load(self); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4280 | } |
| 4281 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4282 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4283 | Unpickler_noload(Unpicklerobject *self, PyObject *args) |
| 4284 | { |
| 4285 | if (!( PyArg_ParseTuple(args, ":noload"))) |
| 4286 | return NULL; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4287 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4288 | return noload(self); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4289 | } |
| 4290 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4291 | |
| 4292 | static struct PyMethodDef Unpickler_methods[] = { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4293 | {"load", (PyCFunction)Unpickler_load, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4294 | "load() -- Load a pickle" |
| 4295 | }, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4296 | {"noload", (PyCFunction)Unpickler_noload, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4297 | "noload() -- not load a pickle, but go through most of the motions\n" |
| 4298 | "\n" |
| 4299 | "This function can be used to read past a pickle without instantiating\n" |
| 4300 | "any objects or importing any modules. It can also be used to find all\n" |
| 4301 | "persistent references without instantiating any objects or importing\n" |
| 4302 | "any modules.\n" |
| 4303 | }, |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4304 | {NULL, NULL} /* sentinel */ |
| 4305 | }; |
| 4306 | |
| 4307 | |
| 4308 | static Unpicklerobject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4309 | newUnpicklerobject(PyObject *f) |
| 4310 | { |
| 4311 | Unpicklerobject *self; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4312 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4313 | if (!( self = PyObject_New(Unpicklerobject, &Unpicklertype))) |
| 4314 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4315 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4316 | self->file = NULL; |
| 4317 | self->arg = NULL; |
| 4318 | self->stack = (Pdata*)Pdata_New(); |
| 4319 | self->pers_func = NULL; |
| 4320 | self->last_string = NULL; |
| 4321 | self->marks = NULL; |
| 4322 | self->num_marks = 0; |
| 4323 | self->marks_size = 0; |
| 4324 | self->buf_size = 0; |
| 4325 | self->read = NULL; |
| 4326 | self->readline = NULL; |
| 4327 | self->safe_constructors = NULL; |
| 4328 | self->find_class = NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4329 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4330 | if (!( self->memo = PyDict_New())) |
| 4331 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4332 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4333 | Py_INCREF(f); |
| 4334 | self->file = f; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4335 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4336 | /* Set read, readline based on type of f */ |
| 4337 | if (PyFile_Check(f)) { |
| 4338 | self->fp = PyFile_AsFile(f); |
| 4339 | if (self->fp == NULL) { |
| 4340 | PyErr_SetString(PyExc_ValueError, |
| 4341 | "I/O operation on closed file"); |
| 4342 | goto err; |
| 4343 | } |
| 4344 | self->read_func = read_file; |
| 4345 | self->readline_func = readline_file; |
Guido van Rossum | c91fcaa | 1999-03-29 20:00:14 +0000 | [diff] [blame] | 4346 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4347 | else if (PycStringIO_InputCheck(f)) { |
| 4348 | self->fp = NULL; |
| 4349 | self->read_func = read_cStringIO; |
| 4350 | self->readline_func = readline_cStringIO; |
| 4351 | } |
| 4352 | else { |
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 | self->fp = NULL; |
| 4355 | self->read_func = read_other; |
| 4356 | self->readline_func = readline_other; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4357 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4358 | if (!( (self->readline = PyObject_GetAttr(f, readline_str)) && |
| 4359 | (self->read = PyObject_GetAttr(f, read_str)))) { |
| 4360 | PyErr_Clear(); |
| 4361 | PyErr_SetString( PyExc_TypeError, |
| 4362 | "argument must have 'read' and " |
| 4363 | "'readline' attributes" ); |
| 4364 | goto err; |
| 4365 | } |
| 4366 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4367 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4368 | if (PyEval_GetRestricted()) { |
| 4369 | /* Restricted execution, get private tables */ |
| 4370 | PyObject *m; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4371 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4372 | if (!( m=PyImport_Import(copy_reg_str))) goto err; |
| 4373 | self->safe_constructors=PyObject_GetAttr(m, |
| 4374 | safe_constructors_str); |
| 4375 | Py_DECREF(m); |
| 4376 | if (!( self->safe_constructors )) goto err; |
| 4377 | } |
| 4378 | else { |
| 4379 | self->safe_constructors=safe_constructors; |
| 4380 | Py_INCREF(safe_constructors); |
| 4381 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4382 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4383 | return self; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4384 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4385 | err: |
| 4386 | Py_DECREF((PyObject *)self); |
| 4387 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4388 | } |
| 4389 | |
| 4390 | |
| 4391 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4392 | get_Unpickler(PyObject *self, PyObject *args) |
| 4393 | { |
| 4394 | PyObject *file; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4395 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4396 | if (!( PyArg_ParseTuple(args, "O:Unpickler", &file))) |
| 4397 | return NULL; |
| 4398 | return (PyObject *)newUnpicklerobject(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4399 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4400 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4401 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4402 | static void |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4403 | Unpickler_dealloc(Unpicklerobject *self) |
| 4404 | { |
| 4405 | Py_XDECREF(self->readline); |
| 4406 | Py_XDECREF(self->read); |
| 4407 | Py_XDECREF(self->file); |
| 4408 | Py_XDECREF(self->memo); |
| 4409 | Py_XDECREF(self->stack); |
| 4410 | Py_XDECREF(self->pers_func); |
| 4411 | Py_XDECREF(self->arg); |
| 4412 | Py_XDECREF(self->last_string); |
| 4413 | Py_XDECREF(self->safe_constructors); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4414 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4415 | if (self->marks) { |
| 4416 | free(self->marks); |
| 4417 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4418 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4419 | if (self->buf_size) { |
| 4420 | free(self->buf); |
| 4421 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4422 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4423 | PyObject_Del(self); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4424 | } |
| 4425 | |
| 4426 | |
| 4427 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4428 | Unpickler_getattr(Unpicklerobject *self, char *name) |
| 4429 | { |
| 4430 | if (!strcmp(name, "persistent_load")) { |
| 4431 | if (!self->pers_func) { |
| 4432 | PyErr_SetString(PyExc_AttributeError, name); |
| 4433 | return NULL; |
| 4434 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4435 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4436 | Py_INCREF(self->pers_func); |
| 4437 | return self->pers_func; |
| 4438 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4439 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4440 | if (!strcmp(name, "find_global")) { |
| 4441 | if (!self->find_class) { |
| 4442 | PyErr_SetString(PyExc_AttributeError, name); |
| 4443 | return NULL; |
| 4444 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 4445 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4446 | Py_INCREF(self->find_class); |
| 4447 | return self->find_class; |
| 4448 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 4449 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4450 | if (!strcmp(name, "memo")) { |
| 4451 | if (!self->memo) { |
| 4452 | PyErr_SetString(PyExc_AttributeError, name); |
| 4453 | return NULL; |
| 4454 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4455 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4456 | Py_INCREF(self->memo); |
| 4457 | return self->memo; |
| 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 | if (!strcmp(name, "UnpicklingError")) { |
| 4461 | Py_INCREF(UnpicklingError); |
| 4462 | return UnpicklingError; |
| 4463 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4464 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4465 | return Py_FindMethod(Unpickler_methods, (PyObject *)self, name); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4466 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4467 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4468 | |
| 4469 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4470 | Unpickler_setattr(Unpicklerobject *self, char *name, PyObject *value) |
| 4471 | { |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 4472 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4473 | if (!strcmp(name, "persistent_load")) { |
| 4474 | Py_XDECREF(self->pers_func); |
| 4475 | self->pers_func = value; |
| 4476 | Py_XINCREF(value); |
| 4477 | return 0; |
| 4478 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 4479 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4480 | if (!strcmp(name, "find_global")) { |
| 4481 | Py_XDECREF(self->find_class); |
| 4482 | self->find_class = value; |
| 4483 | Py_XINCREF(value); |
| 4484 | return 0; |
| 4485 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 4486 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4487 | if (! value) { |
| 4488 | PyErr_SetString(PyExc_TypeError, |
| 4489 | "attribute deletion is not supported"); |
| 4490 | return -1; |
| 4491 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 4492 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4493 | if (strcmp(name, "memo") == 0) { |
| 4494 | if (!PyDict_Check(value)) { |
| 4495 | PyErr_SetString(PyExc_TypeError, |
| 4496 | "memo must be a dictionary"); |
| 4497 | return -1; |
| 4498 | } |
| 4499 | Py_XDECREF(self->memo); |
| 4500 | self->memo = value; |
| 4501 | Py_INCREF(value); |
| 4502 | return 0; |
| 4503 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 4504 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4505 | PyErr_SetString(PyExc_AttributeError, name); |
| 4506 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4507 | } |
| 4508 | |
| 4509 | |
| 4510 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4511 | cpm_dump(PyObject *self, PyObject *args) |
| 4512 | { |
| 4513 | PyObject *ob, *file, *res = NULL; |
| 4514 | Picklerobject *pickler = 0; |
| 4515 | int bin = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4516 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4517 | if (!( PyArg_ParseTuple(args, "OO|i", &ob, &file, &bin))) |
| 4518 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4519 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4520 | if (!( pickler = newPicklerobject(file, bin))) |
| 4521 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4522 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4523 | if (dump(pickler, ob) < 0) |
| 4524 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4525 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4526 | Py_INCREF(Py_None); |
| 4527 | res = Py_None; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4528 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4529 | finally: |
| 4530 | Py_XDECREF(pickler); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4531 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4532 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4533 | } |
| 4534 | |
| 4535 | |
| 4536 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4537 | cpm_dumps(PyObject *self, PyObject *args) |
| 4538 | { |
| 4539 | PyObject *ob, *file = 0, *res = NULL; |
| 4540 | Picklerobject *pickler = 0; |
| 4541 | int bin = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4542 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4543 | if (!( PyArg_ParseTuple(args, "O|i:dumps", &ob, &bin))) |
| 4544 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4545 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4546 | if (!( file = PycStringIO->NewOutput(128))) |
| 4547 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4548 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4549 | if (!( pickler = newPicklerobject(file, bin))) |
| 4550 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4551 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4552 | if (dump(pickler, ob) < 0) |
| 4553 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4554 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4555 | res = PycStringIO->cgetvalue(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4556 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4557 | finally: |
| 4558 | Py_XDECREF(pickler); |
| 4559 | Py_XDECREF(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4560 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4561 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4562 | } |
| 4563 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4564 | |
| 4565 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4566 | cpm_load(PyObject *self, PyObject *args) |
| 4567 | { |
| 4568 | Unpicklerobject *unpickler = 0; |
| 4569 | PyObject *ob, *res = NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4570 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4571 | if (!( PyArg_ParseTuple(args, "O:load", &ob))) |
| 4572 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4573 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4574 | if (!( unpickler = newUnpicklerobject(ob))) |
| 4575 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4576 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4577 | res = load(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4578 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4579 | finally: |
| 4580 | Py_XDECREF(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4581 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4582 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4583 | } |
| 4584 | |
| 4585 | |
| 4586 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4587 | cpm_loads(PyObject *self, PyObject *args) |
| 4588 | { |
| 4589 | PyObject *ob, *file = 0, *res = NULL; |
| 4590 | Unpicklerobject *unpickler = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4591 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4592 | if (!( PyArg_ParseTuple(args, "S:loads", &ob))) |
| 4593 | goto finally; |
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 (!( file = PycStringIO->NewInput(ob))) |
| 4596 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4597 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4598 | if (!( unpickler = newUnpicklerobject(file))) |
| 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(file); |
| 4605 | Py_XDECREF(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4606 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4607 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4608 | } |
| 4609 | |
| 4610 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame^] | 4611 | PyDoc_STRVAR(Unpicklertype__doc__, |
| 4612 | "Objects that know how to unpickle"); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4613 | |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 4614 | static PyTypeObject Unpicklertype = { |
| 4615 | PyObject_HEAD_INIT(NULL) |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4616 | 0, /*ob_size*/ |
Guido van Rossum | 1464839 | 2001-12-08 18:02:58 +0000 | [diff] [blame] | 4617 | "cPickle.Unpickler", /*tp_name*/ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4618 | sizeof(Unpicklerobject), /*tp_basicsize*/ |
| 4619 | 0, /*tp_itemsize*/ |
| 4620 | /* methods */ |
| 4621 | (destructor)Unpickler_dealloc, /*tp_dealloc*/ |
| 4622 | (printfunc)0, /*tp_print*/ |
| 4623 | (getattrfunc)Unpickler_getattr, /*tp_getattr*/ |
| 4624 | (setattrfunc)Unpickler_setattr, /*tp_setattr*/ |
| 4625 | (cmpfunc)0, /*tp_compare*/ |
| 4626 | (reprfunc)0, /*tp_repr*/ |
| 4627 | 0, /*tp_as_number*/ |
| 4628 | 0, /*tp_as_sequence*/ |
| 4629 | 0, /*tp_as_mapping*/ |
| 4630 | (hashfunc)0, /*tp_hash*/ |
| 4631 | (ternaryfunc)0, /*tp_call*/ |
| 4632 | (reprfunc)0, /*tp_str*/ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4633 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4634 | /* Space for future expansion */ |
| 4635 | 0L,0L,0L,0L, |
| 4636 | Unpicklertype__doc__ /* Documentation string */ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 4637 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4638 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4639 | static struct PyMethodDef cPickle_methods[] = { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4640 | {"dump", (PyCFunction)cpm_dump, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4641 | "dump(object, file, [binary]) --" |
| 4642 | "Write an object in pickle format to the given file\n" |
| 4643 | "\n" |
| 4644 | "If the optional argument, binary, is provided and is true, then the\n" |
| 4645 | "pickle will be written in binary format, which is more space and\n" |
| 4646 | "computationally efficient. \n" |
| 4647 | }, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4648 | {"dumps", (PyCFunction)cpm_dumps, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4649 | "dumps(object, [binary]) --" |
| 4650 | "Return a string containing an object in pickle format\n" |
| 4651 | "\n" |
| 4652 | "If the optional argument, binary, is provided and is true, then the\n" |
| 4653 | "pickle will be written in binary format, which is more space and\n" |
| 4654 | "computationally efficient. \n" |
| 4655 | }, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4656 | {"load", (PyCFunction)cpm_load, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4657 | "load(file) -- Load a pickle from the given file"}, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4658 | {"loads", (PyCFunction)cpm_loads, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4659 | "loads(string) -- Load a pickle from the given string"}, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4660 | {"Pickler", (PyCFunction)get_Pickler, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4661 | "Pickler(file, [binary]) -- Create a pickler\n" |
| 4662 | "\n" |
| 4663 | "If the optional argument, binary, is provided and is true, then\n" |
| 4664 | "pickles will be written in binary format, which is more space and\n" |
| 4665 | "computationally efficient. \n" |
| 4666 | }, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4667 | {"Unpickler", (PyCFunction)get_Unpickler, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4668 | "Unpickler(file) -- Create an unpickler"}, |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4669 | { NULL, NULL } |
| 4670 | }; |
| 4671 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4672 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4673 | init_stuff(PyObject *module_dict) |
| 4674 | { |
| 4675 | PyObject *copy_reg, *t, *r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4676 | |
Martin v. Löwis | 43c9d8a | 2002-04-01 12:34:33 +0000 | [diff] [blame] | 4677 | #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] | 4678 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4679 | INIT_STR(__class__); |
| 4680 | INIT_STR(__getinitargs__); |
| 4681 | INIT_STR(__dict__); |
| 4682 | INIT_STR(__getstate__); |
| 4683 | INIT_STR(__setstate__); |
| 4684 | INIT_STR(__name__); |
| 4685 | INIT_STR(__main__); |
| 4686 | INIT_STR(__reduce__); |
| 4687 | INIT_STR(write); |
| 4688 | INIT_STR(__safe_for_unpickling__); |
| 4689 | INIT_STR(append); |
| 4690 | INIT_STR(read); |
| 4691 | INIT_STR(readline); |
| 4692 | INIT_STR(copy_reg); |
| 4693 | INIT_STR(dispatch_table); |
| 4694 | INIT_STR(safe_constructors); |
| 4695 | INIT_STR(__basicnew__); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4696 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4697 | if (!( copy_reg = PyImport_ImportModule("copy_reg"))) |
| 4698 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4699 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4700 | /* These next few are special because we want to use different |
| 4701 | ones in restricted mode. */ |
| 4702 | dispatch_table = PyObject_GetAttr(copy_reg, dispatch_table_str); |
| 4703 | if (!dispatch_table) |
| 4704 | return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4705 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4706 | if (!( safe_constructors = PyObject_GetAttr(copy_reg, |
| 4707 | safe_constructors_str))) |
| 4708 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4709 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4710 | Py_DECREF(copy_reg); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4711 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4712 | /* Down to here ********************************** */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4713 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4714 | if (!( empty_tuple = PyTuple_New(0))) |
| 4715 | return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4716 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4717 | /* Ugh */ |
| 4718 | if (!( t=PyImport_ImportModule("__builtin__"))) return -1; |
| 4719 | if (PyDict_SetItemString(module_dict, "__builtins__", t) < 0) |
| 4720 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4721 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4722 | if (!( t=PyDict_New())) return -1; |
| 4723 | if (!( r=PyRun_String( |
| 4724 | "def __init__(self, *args): self.args=args\n\n" |
| 4725 | "def __str__(self):\n" |
| 4726 | " return self.args and ('%s' % self.args[0]) or '(what)'\n", |
| 4727 | Py_file_input, |
| 4728 | module_dict, t) )) return -1; |
| 4729 | Py_DECREF(r); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4730 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4731 | PickleError = PyErr_NewException("cPickle.PickleError", NULL, t); |
| 4732 | if (!PickleError) |
| 4733 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4734 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4735 | Py_DECREF(t); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4736 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4737 | PicklingError = PyErr_NewException("cPickle.PicklingError", |
| 4738 | PickleError, NULL); |
| 4739 | if (!PicklingError) |
| 4740 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4741 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4742 | if (!( t=PyDict_New())) return -1; |
| 4743 | if (!( r=PyRun_String( |
| 4744 | "def __init__(self, *args): self.args=args\n\n" |
| 4745 | "def __str__(self):\n" |
| 4746 | " a=self.args\n" |
| 4747 | " a=a and type(a[0]) or '(what)'\n" |
| 4748 | " return 'Cannot pickle %s objects' % a\n" |
| 4749 | , Py_file_input, |
| 4750 | module_dict, t) )) return -1; |
| 4751 | Py_DECREF(r); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4752 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4753 | if (!( UnpickleableError = PyErr_NewException( |
| 4754 | "cPickle.UnpickleableError", PicklingError, t))) |
| 4755 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4756 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4757 | Py_DECREF(t); |
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 | if (!( UnpicklingError = PyErr_NewException("cPickle.UnpicklingError", |
| 4760 | PickleError, NULL))) |
| 4761 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4762 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4763 | if (PyDict_SetItemString(module_dict, "PickleError", |
| 4764 | PickleError) < 0) |
| 4765 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4766 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4767 | if (PyDict_SetItemString(module_dict, "PicklingError", |
| 4768 | PicklingError) < 0) |
| 4769 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4770 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4771 | if (PyDict_SetItemString(module_dict, "UnpicklingError", |
| 4772 | UnpicklingError) < 0) |
| 4773 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4774 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4775 | if (PyDict_SetItemString(module_dict, "UnpickleableError", |
| 4776 | UnpickleableError) < 0) |
| 4777 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4778 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4779 | if (!( BadPickleGet = PyString_FromString("cPickle.BadPickleGet"))) |
| 4780 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4781 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4782 | if (PyDict_SetItemString(module_dict, "BadPickleGet", |
| 4783 | BadPickleGet) < 0) |
| 4784 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4785 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4786 | PycString_IMPORT; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 4787 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4788 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4789 | } |
| 4790 | |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 4791 | #ifndef DL_EXPORT /* declarations for DLL import/export */ |
| 4792 | #define DL_EXPORT(RTYPE) RTYPE |
| 4793 | #endif |
Guido van Rossum | 50f385c | 1998-12-04 18:48:44 +0000 | [diff] [blame] | 4794 | DL_EXPORT(void) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4795 | initcPickle(void) |
| 4796 | { |
| 4797 | PyObject *m, *d, *di, *v, *k; |
| 4798 | int i; |
| 4799 | char *rev="1.71"; |
| 4800 | PyObject *format_version; |
| 4801 | PyObject *compatible_formats; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4802 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4803 | Picklertype.ob_type = &PyType_Type; |
| 4804 | Picklertype.tp_getattro = PyObject_GenericGetAttr; |
| 4805 | Picklertype.tp_setattro = PyObject_GenericSetAttr; |
| 4806 | Unpicklertype.ob_type = &PyType_Type; |
| 4807 | PdataType.ob_type = &PyType_Type; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4808 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4809 | /* Initialize some pieces. We need to do this before module creation, |
| 4810 | so we're forced to use a temporary dictionary. :( |
| 4811 | */ |
| 4812 | di=PyDict_New(); |
| 4813 | if (!di) return; |
| 4814 | if (init_stuff(di) < 0) return; |
Guido van Rossum | ebba420 | 2000-09-07 14:35:37 +0000 | [diff] [blame] | 4815 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4816 | /* Create the module and add the functions */ |
| 4817 | m = Py_InitModule4("cPickle", cPickle_methods, |
| 4818 | cPickle_module_documentation, |
| 4819 | (PyObject*)NULL,PYTHON_API_VERSION); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4820 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4821 | /* Add some symbolic constants to the module */ |
| 4822 | d = PyModule_GetDict(m); |
| 4823 | PyDict_SetItemString(d,"__version__", v = PyString_FromString(rev)); |
| 4824 | Py_XDECREF(v); |
Barry Warsaw | 93d29b6 | 1997-01-14 17:45:08 +0000 | [diff] [blame] | 4825 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4826 | /* Copy data from di. Waaa. */ |
| 4827 | for (i=0; PyDict_Next(di, &i, &k, &v); ) { |
| 4828 | if (PyObject_SetItem(d, k, v) < 0) { |
| 4829 | Py_DECREF(di); |
| 4830 | return; |
| 4831 | } |
| 4832 | } |
| 4833 | Py_DECREF(di); |
Guido van Rossum | ebba420 | 2000-09-07 14:35:37 +0000 | [diff] [blame] | 4834 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4835 | format_version = PyString_FromString("1.3"); |
| 4836 | compatible_formats = Py_BuildValue("[sss]", "1.0", "1.1", "1.2"); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4837 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4838 | PyDict_SetItemString(d, "format_version", format_version); |
| 4839 | PyDict_SetItemString(d, "compatible_formats", compatible_formats); |
| 4840 | Py_XDECREF(format_version); |
| 4841 | Py_XDECREF(compatible_formats); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4842 | } |