Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1 | /* |
Guido van Rossum | 2f80d96 | 1999-07-13 15:18:58 +0000 | [diff] [blame] | 2 | * cPickle.c,v 1.71 1999/07/11 13:30:34 jim Exp |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3 | * |
| 4 | * Copyright (c) 1996-1998, Digital Creations, Fredericksburg, VA, USA. |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 5 | * All rights reserved. |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 6 | * |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions are |
| 9 | * met: |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 10 | * |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 11 | * o Redistributions of source code must retain the above copyright |
| 12 | * notice, this list of conditions, and the disclaimer that follows. |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 13 | * |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 14 | * o Redistributions in binary form must reproduce the above copyright |
| 15 | * notice, this list of conditions, and the following disclaimer in |
| 16 | * the documentation and/or other materials provided with the |
| 17 | * distribution. |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 18 | * |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 19 | * o Neither the name of Digital Creations nor the names of its |
| 20 | * contributors may be used to endorse or promote products derived |
| 21 | * from this software without specific prior written permission. |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 22 | * |
| 23 | * |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 24 | * THIS SOFTWARE IS PROVIDED BY DIGITAL CREATIONS AND CONTRIBUTORS *AS |
| 25 | * IS* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 26 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A |
| 27 | * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL DIGITAL |
| 28 | * CREATIONS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 29 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| 30 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| 31 | * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 32 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR |
| 33 | * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE |
| 34 | * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH |
| 35 | * DAMAGE. |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 36 | * |
| 37 | # |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 38 | # If you have questions regarding this software, contact: |
| 39 | # |
| 40 | # Digital Creations, L.C. |
| 41 | # 910 Princess Ann Street |
| 42 | # Fredericksburge, Virginia 22401 |
| 43 | # |
| 44 | # info@digicool.com |
| 45 | # |
| 46 | # (540) 371-6909 |
| 47 | */ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 48 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 49 | static char cPickle_module_documentation[] = |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 50 | "C implementation and optimization of the Python pickle module\n" |
| 51 | "\n" |
Guido van Rossum | 2f80d96 | 1999-07-13 15:18:58 +0000 | [diff] [blame] | 52 | "cPickle.c,v 1.71 1999/07/11 13:30:34 jim Exp\n" |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 53 | ; |
| 54 | |
| 55 | #include "Python.h" |
| 56 | #include "cStringIO.h" |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 57 | #include "structmember.h" |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 58 | |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 59 | #ifndef Py_eval_input |
| 60 | #include <graminit.h> |
| 61 | #define Py_eval_input eval_input |
Guido van Rossum | c6ef204 | 1997-08-21 02:30:45 +0000 | [diff] [blame] | 62 | #endif /* Py_eval_input */ |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 63 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 64 | #include <errno.h> |
| 65 | |
Martin v. Löwis | 43c9d8a | 2002-04-01 12:34:33 +0000 | [diff] [blame] | 66 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 67 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 68 | #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] | 69 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 70 | #define WRITE_BUF_SIZE 256 |
| 71 | |
Tim Peters | 3906eb8 | 2001-04-10 04:22:00 +0000 | [diff] [blame] | 72 | /* -------------------------------------------------------------------------- |
| 73 | NOTES on format codes. |
| 74 | XXX much more is needed here |
| 75 | |
| 76 | Integer types |
Tim Peters | d8ae7c2 | 2001-04-10 04:35:28 +0000 | [diff] [blame] | 77 | BININT1 8-bit unsigned integer; followed by 1 byte. |
Tim Peters | 3906eb8 | 2001-04-10 04:22:00 +0000 | [diff] [blame] | 78 | BININT2 16-bit unsigned integer; followed by 2 bytes, little-endian. |
Tim Peters | d8ae7c2 | 2001-04-10 04:35:28 +0000 | [diff] [blame] | 79 | BININT 32-bit signed integer; followed by 4 bytes, little-endian. |
| 80 | INT Integer; natural decimal string conversion, then newline. |
Tim Peters | 3906eb8 | 2001-04-10 04:22:00 +0000 | [diff] [blame] | 81 | CAUTION: INT-reading code can't assume that what follows |
| 82 | fits in a Python int, because the size of Python ints varies |
| 83 | across platforms. |
Tim Peters | d8ae7c2 | 2001-04-10 04:35:28 +0000 | [diff] [blame] | 84 | LONG Long (unbounded) integer; repr(i), then newline. |
Tim Peters | 3906eb8 | 2001-04-10 04:22:00 +0000 | [diff] [blame] | 85 | -------------------------------------------------------------------------- */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 86 | |
| 87 | #define MARK '(' |
| 88 | #define STOP '.' |
| 89 | #define POP '0' |
| 90 | #define POP_MARK '1' |
| 91 | #define DUP '2' |
| 92 | #define FLOAT 'F' |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 93 | #define BINFLOAT 'G' |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 94 | #define INT 'I' |
| 95 | #define BININT 'J' |
| 96 | #define BININT1 'K' |
| 97 | #define LONG 'L' |
| 98 | #define BININT2 'M' |
| 99 | #define NONE 'N' |
| 100 | #define PERSID 'P' |
| 101 | #define BINPERSID 'Q' |
| 102 | #define REDUCE 'R' |
| 103 | #define STRING 'S' |
| 104 | #define BINSTRING 'T' |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 105 | #define SHORT_BINSTRING 'U' |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 106 | #define UNICODE 'V' |
| 107 | #define BINUNICODE 'X' |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 108 | #define APPEND 'a' |
| 109 | #define BUILD 'b' |
| 110 | #define GLOBAL 'c' |
| 111 | #define DICT 'd' |
| 112 | #define EMPTY_DICT '}' |
| 113 | #define APPENDS 'e' |
| 114 | #define GET 'g' |
| 115 | #define BINGET 'h' |
| 116 | #define INST 'i' |
| 117 | #define LONG_BINGET 'j' |
| 118 | #define LIST 'l' |
| 119 | #define EMPTY_LIST ']' |
| 120 | #define OBJ 'o' |
| 121 | #define PUT 'p' |
| 122 | #define BINPUT 'q' |
| 123 | #define LONG_BINPUT 'r' |
| 124 | #define SETITEM 's' |
| 125 | #define TUPLE 't' |
| 126 | #define EMPTY_TUPLE ')' |
| 127 | #define SETITEMS 'u' |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 128 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 129 | static char MARKv = MARK; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 130 | |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 131 | static PyObject *PickleError; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 132 | static PyObject *PicklingError; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 133 | static PyObject *UnpickleableError; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 134 | static PyObject *UnpicklingError; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 135 | static PyObject *BadPickleGet; |
| 136 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 137 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 138 | static PyObject *dispatch_table; |
| 139 | static PyObject *safe_constructors; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 140 | static PyObject *empty_tuple; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 141 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 142 | static PyObject *__class___str, *__getinitargs___str, *__dict___str, |
| 143 | *__getstate___str, *__setstate___str, *__name___str, *__reduce___str, |
| 144 | *write_str, *__safe_for_unpickling___str, *append_str, |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 145 | *read_str, *readline_str, *__main___str, *__basicnew___str, |
Fred Drake | 2c7a685 | 2001-07-17 18:34:03 +0000 | [diff] [blame] | 146 | *copy_reg_str, *dispatch_table_str, *safe_constructors_str; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 147 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 148 | /************************************************************************* |
| 149 | Internal Data type for pickle data. */ |
| 150 | |
| 151 | typedef struct { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 152 | PyObject_HEAD |
| 153 | int length, size; |
| 154 | PyObject **data; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 155 | } Pdata; |
| 156 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 157 | static void |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 158 | Pdata_dealloc(Pdata *self) |
| 159 | { |
| 160 | int i; |
| 161 | PyObject **p; |
| 162 | |
| 163 | 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] | 164 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 165 | if (self->data) free(self->data); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 166 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 167 | PyObject_Del(self); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 168 | } |
| 169 | |
| 170 | static PyTypeObject PdataType = { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 171 | PyObject_HEAD_INIT(NULL) 0, "cPickle.Pdata", sizeof(Pdata), 0, |
| 172 | (destructor)Pdata_dealloc, |
| 173 | 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] | 174 | }; |
| 175 | |
| 176 | #define Pdata_Check(O) ((O)->ob_type == &PdataType) |
| 177 | |
| 178 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 179 | Pdata_New(void) |
| 180 | { |
| 181 | Pdata *self; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 182 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 183 | if (!( self = PyObject_New(Pdata, &PdataType))) return NULL; |
| 184 | self->size=8; |
| 185 | self->length=0; |
| 186 | self->data=malloc(self->size * sizeof(PyObject*)); |
| 187 | if (self->data) return (PyObject*)self; |
| 188 | Py_DECREF(self); |
| 189 | return PyErr_NoMemory(); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 190 | } |
| 191 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 192 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 193 | stackUnderflow(void) |
| 194 | { |
| 195 | PyErr_SetString(UnpicklingError, "unpickling stack underflow"); |
| 196 | return -1; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 197 | } |
| 198 | |
| 199 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 200 | Pdata_clear(Pdata *self, int clearto) |
| 201 | { |
| 202 | int i; |
| 203 | PyObject **p; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 204 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 205 | if (clearto < 0) return stackUnderflow(); |
| 206 | if (clearto >= self->length) return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 207 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 208 | for (i=self->length, p=self->data+clearto; --i >= clearto; p++) |
| 209 | Py_DECREF(*p); |
| 210 | self->length=clearto; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 211 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 212 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 213 | } |
| 214 | |
| 215 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 216 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 217 | Pdata_grow(Pdata *self) |
| 218 | { |
| 219 | if (! self->size) { |
| 220 | PyErr_NoMemory(); |
| 221 | return -1; |
| 222 | } |
| 223 | self->size *= 2; |
| 224 | self->data = realloc(self->data, self->size*sizeof(PyObject*)); |
| 225 | if (! self->data) { |
| 226 | self->size = 0; |
| 227 | PyErr_NoMemory(); |
| 228 | return -1; |
| 229 | } |
| 230 | return 0; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 231 | } |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 232 | |
| 233 | #define PDATA_POP(D,V) { \ |
| 234 | if ((D)->length) V=D->data[--((D)->length)]; \ |
| 235 | else { \ |
| 236 | PyErr_SetString(UnpicklingError, "bad pickle data"); \ |
| 237 | V=NULL; \ |
| 238 | } \ |
| 239 | } |
| 240 | |
| 241 | |
| 242 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 243 | Pdata_popTuple(Pdata *self, int start) |
| 244 | { |
| 245 | PyObject *r; |
| 246 | int i, j, l; |
| 247 | |
| 248 | l=self->length-start; |
| 249 | if (!( r=PyTuple_New(l))) return NULL; |
| 250 | for (i=start, j=0 ; j < l; i++, j++) |
| 251 | PyTuple_SET_ITEM(r, j, self->data[i]); |
| 252 | |
| 253 | self->length=start; |
| 254 | return r; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 255 | } |
| 256 | |
| 257 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 258 | Pdata_popList(Pdata *self, int start) |
| 259 | { |
| 260 | PyObject *r; |
| 261 | int i, j, l; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 262 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 263 | l=self->length-start; |
| 264 | if (!( r=PyList_New(l))) return NULL; |
| 265 | for (i=start, j=0 ; j < l; i++, j++) |
| 266 | PyList_SET_ITEM(r, j, self->data[i]); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 267 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 268 | self->length=start; |
| 269 | return r; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 270 | } |
| 271 | |
| 272 | #define PDATA_APPEND_(D,O,ER) { \ |
| 273 | if (Pdata_Append(((Pdata*)(D)), O) < 0) return ER; \ |
| 274 | } |
| 275 | |
| 276 | #define PDATA_APPEND(D,O,ER) { \ |
| 277 | if (((Pdata*)(D))->length == ((Pdata*)(D))->size && \ |
| 278 | Pdata_grow((Pdata*)(D)) < 0) \ |
| 279 | return ER; \ |
| 280 | Py_INCREF(O); \ |
| 281 | ((Pdata*)(D))->data[((Pdata*)(D))->length++]=O; \ |
| 282 | } |
| 283 | |
| 284 | #define PDATA_PUSH(D,O,ER) { \ |
| 285 | if (((Pdata*)(D))->length == ((Pdata*)(D))->size && \ |
| 286 | Pdata_grow((Pdata*)(D)) < 0) { \ |
| 287 | Py_DECREF(O); \ |
| 288 | return ER; \ |
| 289 | } \ |
| 290 | ((Pdata*)(D))->data[((Pdata*)(D))->length++]=O; \ |
| 291 | } |
| 292 | |
| 293 | /*************************************************************************/ |
| 294 | |
| 295 | #define ARG_TUP(self, o) { \ |
| 296 | if (self->arg || (self->arg=PyTuple_New(1))) { \ |
| 297 | Py_XDECREF(PyTuple_GET_ITEM(self->arg,0)); \ |
| 298 | PyTuple_SET_ITEM(self->arg,0,o); \ |
| 299 | } \ |
| 300 | else { \ |
| 301 | Py_DECREF(o); \ |
| 302 | } \ |
| 303 | } |
| 304 | |
| 305 | #define FREE_ARG_TUP(self) { \ |
| 306 | if (self->arg->ob_refcnt > 1) { \ |
| 307 | Py_DECREF(self->arg); \ |
| 308 | self->arg=NULL; \ |
| 309 | } \ |
| 310 | } |
| 311 | |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 312 | typedef struct Picklerobject { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 313 | PyObject_HEAD |
| 314 | FILE *fp; |
| 315 | PyObject *write; |
| 316 | PyObject *file; |
| 317 | PyObject *memo; |
| 318 | PyObject *arg; |
| 319 | PyObject *pers_func; |
| 320 | PyObject *inst_pers_func; |
| 321 | int bin; |
| 322 | int fast; /* Fast mode doesn't save in memo, don't use if circ ref */ |
| 323 | int (*write_func)(struct Picklerobject *, char *, int); |
| 324 | char *write_buf; |
| 325 | int buf_size; |
| 326 | PyObject *dispatch_table; |
| 327 | int fast_container; /* count nested container dumps */ |
| 328 | PyObject *fast_memo; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 329 | } Picklerobject; |
| 330 | |
Barry Warsaw | 52acb49 | 2001-12-21 20:04:22 +0000 | [diff] [blame] | 331 | #ifndef PY_CPICKLE_FAST_LIMIT |
| 332 | #define PY_CPICKLE_FAST_LIMIT 50 |
| 333 | #endif |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 334 | |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 335 | staticforward PyTypeObject Picklertype; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 336 | |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 337 | typedef struct Unpicklerobject { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 338 | PyObject_HEAD |
| 339 | FILE *fp; |
| 340 | PyObject *file; |
| 341 | PyObject *readline; |
| 342 | PyObject *read; |
| 343 | PyObject *memo; |
| 344 | PyObject *arg; |
| 345 | Pdata *stack; |
| 346 | PyObject *mark; |
| 347 | PyObject *pers_func; |
| 348 | PyObject *last_string; |
| 349 | int *marks; |
| 350 | int num_marks; |
| 351 | int marks_size; |
| 352 | int (*read_func)(struct Unpicklerobject *, char **, int); |
| 353 | int (*readline_func)(struct Unpicklerobject *, char **); |
| 354 | int buf_size; |
| 355 | char *buf; |
| 356 | PyObject *safe_constructors; |
| 357 | PyObject *find_class; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 358 | } Unpicklerobject; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 359 | |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 360 | staticforward PyTypeObject Unpicklertype; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 361 | |
Thomas Wouters | 4789b3a | 2000-07-24 11:36:47 +0000 | [diff] [blame] | 362 | /* Forward decls that need the above structs */ |
| 363 | static int save(Picklerobject *, PyObject *, int); |
| 364 | static int put2(Picklerobject *, PyObject *); |
| 365 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 366 | int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 367 | cPickle_PyMapping_HasKey(PyObject *o, PyObject *key) |
| 368 | { |
| 369 | PyObject *v; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 370 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 371 | if ((v = PyObject_GetItem(o,key))) { |
| 372 | Py_DECREF(v); |
| 373 | return 1; |
| 374 | } |
| 375 | |
| 376 | PyErr_Clear(); |
| 377 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 378 | } |
| 379 | |
Guido van Rossum | d385d59 | 1997-04-09 17:47:47 +0000 | [diff] [blame] | 380 | static |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 381 | PyObject * |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 382 | cPickle_ErrFormat(PyObject *ErrType, char *stringformat, char *format, ...) |
| 383 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 384 | va_list va; |
| 385 | PyObject *args=0, *retval=0; |
| 386 | va_start(va, format); |
| 387 | |
| 388 | if (format) args = Py_VaBuildValue(format, va); |
| 389 | va_end(va); |
| 390 | if (format && ! args) return NULL; |
| 391 | if (stringformat && !(retval=PyString_FromString(stringformat))) |
| 392 | return NULL; |
| 393 | |
| 394 | if (retval) { |
| 395 | if (args) { |
| 396 | PyObject *v; |
| 397 | v=PyString_Format(retval, args); |
| 398 | Py_DECREF(retval); |
| 399 | Py_DECREF(args); |
| 400 | if (! v) return NULL; |
| 401 | retval=v; |
| 402 | } |
| 403 | } |
| 404 | else |
| 405 | if (args) retval=args; |
| 406 | else { |
| 407 | PyErr_SetObject(ErrType,Py_None); |
| 408 | return NULL; |
| 409 | } |
| 410 | PyErr_SetObject(ErrType,retval); |
| 411 | Py_DECREF(retval); |
| 412 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 413 | } |
| 414 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 415 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 416 | write_file(Picklerobject *self, char *s, int n) |
| 417 | { |
| 418 | size_t nbyteswritten; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 419 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 420 | if (s == NULL) { |
| 421 | return 0; |
| 422 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 423 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 424 | Py_BEGIN_ALLOW_THREADS |
| 425 | nbyteswritten = fwrite(s, sizeof(char), n, self->fp); |
| 426 | Py_END_ALLOW_THREADS |
| 427 | if (nbyteswritten != (size_t)n) { |
| 428 | PyErr_SetFromErrno(PyExc_IOError); |
| 429 | return -1; |
| 430 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 431 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 432 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 433 | } |
| 434 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 435 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 436 | write_cStringIO(Picklerobject *self, char *s, int n) |
| 437 | { |
| 438 | if (s == NULL) { |
| 439 | return 0; |
| 440 | } |
| 441 | |
| 442 | if (PycStringIO->cwrite((PyObject *)self->file, s, n) != n) { |
| 443 | return -1; |
| 444 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 445 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 446 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 447 | } |
| 448 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 449 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 450 | write_none(Picklerobject *self, char *s, int n) |
| 451 | { |
| 452 | if (s == NULL) return 0; |
| 453 | return n; |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 454 | } |
| 455 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 456 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 457 | write_other(Picklerobject *self, char *s, int n) |
| 458 | { |
| 459 | PyObject *py_str = 0, *junk = 0; |
| 460 | |
| 461 | if (s == NULL) { |
| 462 | if (!( self->buf_size )) return 0; |
| 463 | py_str = PyString_FromStringAndSize(self->write_buf, |
| 464 | self->buf_size); |
| 465 | if (!py_str) |
| 466 | return -1; |
| 467 | } |
| 468 | else { |
| 469 | if (self->buf_size && (n + self->buf_size) > WRITE_BUF_SIZE) { |
| 470 | if (write_other(self, NULL, 0) < 0) |
| 471 | return -1; |
| 472 | } |
| 473 | |
| 474 | if (n > WRITE_BUF_SIZE) { |
| 475 | if (!( py_str = |
| 476 | PyString_FromStringAndSize(s, n))) |
| 477 | return -1; |
| 478 | } |
| 479 | else { |
| 480 | memcpy(self->write_buf + self->buf_size, s, n); |
| 481 | self->buf_size += n; |
| 482 | return n; |
| 483 | } |
| 484 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 485 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 486 | if (self->write) { |
| 487 | /* object with write method */ |
| 488 | ARG_TUP(self, py_str); |
| 489 | if (self->arg) { |
| 490 | junk = PyObject_Call(self->write, self->arg, NULL); |
| 491 | FREE_ARG_TUP(self); |
| 492 | } |
| 493 | if (junk) Py_DECREF(junk); |
| 494 | else return -1; |
| 495 | } |
| 496 | else |
| 497 | PDATA_PUSH(self->file, py_str, -1); |
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 | self->buf_size = 0; |
| 500 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 501 | } |
| 502 | |
| 503 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 504 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 505 | read_file(Unpicklerobject *self, char **s, int n) |
| 506 | { |
| 507 | size_t nbytesread; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 508 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 509 | if (self->buf_size == 0) { |
| 510 | int size; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 511 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 512 | size = ((n < 32) ? 32 : n); |
| 513 | if (!( self->buf = (char *)malloc(size * sizeof(char)))) { |
| 514 | PyErr_NoMemory(); |
| 515 | return -1; |
| 516 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 517 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 518 | self->buf_size = size; |
| 519 | } |
| 520 | else if (n > self->buf_size) { |
| 521 | self->buf = (char *)realloc(self->buf, n * sizeof(char)); |
| 522 | if (!self->buf) { |
| 523 | PyErr_NoMemory(); |
| 524 | return -1; |
| 525 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 526 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 527 | self->buf_size = n; |
| 528 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 529 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 530 | Py_BEGIN_ALLOW_THREADS |
| 531 | nbytesread = fread(self->buf, sizeof(char), n, self->fp); |
| 532 | Py_END_ALLOW_THREADS |
| 533 | if (nbytesread != (size_t)n) { |
| 534 | if (feof(self->fp)) { |
| 535 | PyErr_SetNone(PyExc_EOFError); |
| 536 | return -1; |
| 537 | } |
| 538 | |
| 539 | PyErr_SetFromErrno(PyExc_IOError); |
| 540 | return -1; |
| 541 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 542 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 543 | *s = self->buf; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 544 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 545 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 546 | } |
| 547 | |
| 548 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 549 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 550 | readline_file(Unpicklerobject *self, char **s) |
| 551 | { |
| 552 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 553 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 554 | if (self->buf_size == 0) { |
| 555 | if (!( self->buf = (char *)malloc(40 * sizeof(char)))) { |
| 556 | PyErr_NoMemory(); |
| 557 | return -1; |
| 558 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 559 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 560 | self->buf_size = 40; |
| 561 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 562 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 563 | i = 0; |
| 564 | while (1) { |
| 565 | for (; i < (self->buf_size - 1); i++) { |
| 566 | if (feof(self->fp) || |
| 567 | (self->buf[i] = getc(self->fp)) == '\n') { |
| 568 | self->buf[i + 1] = '\0'; |
| 569 | *s = self->buf; |
| 570 | return i + 1; |
| 571 | } |
| 572 | } |
| 573 | self->buf = (char *)realloc(self->buf, |
| 574 | (self->buf_size * 2) * sizeof(char)); |
| 575 | if (!self->buf) { |
| 576 | PyErr_NoMemory(); |
| 577 | return -1; |
| 578 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 579 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 580 | self->buf_size *= 2; |
| 581 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 582 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 583 | |
| 584 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 585 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 586 | read_cStringIO(Unpicklerobject *self, char **s, int n) |
| 587 | { |
| 588 | char *ptr; |
| 589 | |
| 590 | if (PycStringIO->cread((PyObject *)self->file, &ptr, n) != n) { |
| 591 | PyErr_SetNone(PyExc_EOFError); |
| 592 | return -1; |
| 593 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 594 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 595 | *s = ptr; |
| 596 | |
| 597 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 598 | } |
| 599 | |
| 600 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 601 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 602 | readline_cStringIO(Unpicklerobject *self, char **s) |
| 603 | { |
| 604 | int n; |
| 605 | char *ptr; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 606 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 607 | if ((n = PycStringIO->creadline((PyObject *)self->file, &ptr)) < 0) { |
| 608 | return -1; |
| 609 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 610 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 611 | *s = ptr; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 612 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 613 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 614 | } |
| 615 | |
| 616 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 617 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 618 | read_other(Unpicklerobject *self, char **s, int n) |
| 619 | { |
| 620 | PyObject *bytes, *str=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 621 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 622 | if (!( bytes = PyInt_FromLong(n))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 623 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 624 | ARG_TUP(self, bytes); |
| 625 | if (self->arg) { |
| 626 | str = PyObject_Call(self->read, self->arg, NULL); |
| 627 | FREE_ARG_TUP(self); |
| 628 | } |
| 629 | if (! str) return -1; |
| 630 | |
| 631 | Py_XDECREF(self->last_string); |
| 632 | self->last_string = str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 633 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 634 | if (! (*s = PyString_AsString(str))) return -1; |
| 635 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 636 | } |
| 637 | |
| 638 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 639 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 640 | readline_other(Unpicklerobject *self, char **s) |
| 641 | { |
| 642 | PyObject *str; |
| 643 | int str_size; |
| 644 | |
| 645 | if (!( str = PyObject_CallObject(self->readline, empty_tuple))) { |
| 646 | return -1; |
| 647 | } |
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 ((str_size = PyString_Size(str)) < 0) |
| 650 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 651 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 652 | Py_XDECREF(self->last_string); |
| 653 | self->last_string = str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 654 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 655 | if (! (*s = PyString_AsString(str))) |
| 656 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 657 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 658 | return str_size; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 659 | } |
| 660 | |
| 661 | |
| 662 | static char * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 663 | pystrndup(char *s, int l) |
| 664 | { |
| 665 | char *r; |
| 666 | if (!( r=malloc((l+1)*sizeof(char)))) return (char*)PyErr_NoMemory(); |
| 667 | memcpy(r,s,l); |
| 668 | r[l]=0; |
| 669 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 670 | } |
| 671 | |
| 672 | |
| 673 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 674 | get(Picklerobject *self, PyObject *id) |
| 675 | { |
| 676 | PyObject *value, *mv; |
| 677 | long c_value; |
| 678 | char s[30]; |
| 679 | size_t len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 680 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 681 | if (!( mv = PyDict_GetItem(self->memo, id))) { |
| 682 | PyErr_SetObject(PyExc_KeyError, id); |
| 683 | return -1; |
| 684 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 685 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 686 | if (!( value = PyTuple_GetItem(mv, 0))) |
| 687 | return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 688 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 689 | if (!( PyInt_Check(value))) { |
| 690 | PyErr_SetString(PicklingError, "no int where int expected in memo"); |
| 691 | return -1; |
| 692 | } |
| 693 | c_value = PyInt_AS_LONG((PyIntObject*)value); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 694 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 695 | if (!self->bin) { |
| 696 | s[0] = GET; |
| 697 | PyOS_snprintf(s + 1, sizeof(s) - 1, "%ld\n", c_value); |
| 698 | len = strlen(s); |
| 699 | } |
| 700 | else if (Pdata_Check(self->file)) { |
| 701 | if (write_other(self, NULL, 0) < 0) return -1; |
| 702 | PDATA_APPEND(self->file, mv, -1); |
| 703 | return 0; |
| 704 | } |
| 705 | else { |
| 706 | if (c_value < 256) { |
| 707 | s[0] = BINGET; |
| 708 | s[1] = (int)(c_value & 0xff); |
| 709 | len = 2; |
| 710 | } |
| 711 | else { |
| 712 | s[0] = LONG_BINGET; |
| 713 | s[1] = (int)(c_value & 0xff); |
| 714 | s[2] = (int)((c_value >> 8) & 0xff); |
| 715 | s[3] = (int)((c_value >> 16) & 0xff); |
| 716 | s[4] = (int)((c_value >> 24) & 0xff); |
| 717 | len = 5; |
| 718 | } |
| 719 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 720 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 721 | if ((*self->write_func)(self, s, len) < 0) |
| 722 | return -1; |
| 723 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 724 | return 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 725 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 726 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 727 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 728 | static int |
| 729 | put(Picklerobject *self, PyObject *ob) |
| 730 | { |
| 731 | if (ob->ob_refcnt < 2 || self->fast) |
| 732 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 733 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 734 | return put2(self, ob); |
| 735 | } |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 736 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 737 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 738 | static int |
| 739 | put2(Picklerobject *self, PyObject *ob) |
| 740 | { |
| 741 | char c_str[30]; |
| 742 | int p; |
| 743 | size_t len; |
| 744 | int res = -1; |
| 745 | PyObject *py_ob_id = 0, *memo_len = 0, *t = 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 746 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 747 | if (self->fast) |
| 748 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 749 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 750 | if ((p = PyDict_Size(self->memo)) < 0) |
| 751 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 752 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 753 | /* Make sure memo keys are positive! */ |
| 754 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 755 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 756 | if (!( py_ob_id = PyLong_FromVoidPtr(ob))) |
| 757 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 758 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 759 | if (!( memo_len = PyInt_FromLong(p))) |
| 760 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 761 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 762 | if (!( t = PyTuple_New(2))) |
| 763 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 764 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 765 | PyTuple_SET_ITEM(t, 0, memo_len); |
| 766 | Py_INCREF(memo_len); |
| 767 | PyTuple_SET_ITEM(t, 1, ob); |
| 768 | Py_INCREF(ob); |
| 769 | |
| 770 | if (PyDict_SetItem(self->memo, py_ob_id, t) < 0) |
| 771 | goto finally; |
| 772 | |
| 773 | if (!self->bin) { |
| 774 | c_str[0] = PUT; |
| 775 | PyOS_snprintf(c_str + 1, sizeof(c_str) - 1, "%d\n", p); |
| 776 | len = strlen(c_str); |
| 777 | } |
| 778 | else if (Pdata_Check(self->file)) { |
| 779 | if (write_other(self, NULL, 0) < 0) return -1; |
| 780 | PDATA_APPEND(self->file, memo_len, -1); |
| 781 | res=0; /* Job well done ;) */ |
| 782 | goto finally; |
| 783 | } |
| 784 | else { |
| 785 | if (p >= 256) { |
| 786 | c_str[0] = LONG_BINPUT; |
| 787 | c_str[1] = (int)(p & 0xff); |
| 788 | c_str[2] = (int)((p >> 8) & 0xff); |
| 789 | c_str[3] = (int)((p >> 16) & 0xff); |
| 790 | c_str[4] = (int)((p >> 24) & 0xff); |
| 791 | len = 5; |
| 792 | } |
| 793 | else { |
| 794 | c_str[0] = BINPUT; |
| 795 | c_str[1] = p; |
| 796 | len = 2; |
| 797 | } |
| 798 | } |
| 799 | |
| 800 | if ((*self->write_func)(self, c_str, len) < 0) |
| 801 | goto finally; |
| 802 | |
| 803 | res = 0; |
| 804 | |
| 805 | finally: |
| 806 | Py_XDECREF(py_ob_id); |
| 807 | Py_XDECREF(memo_len); |
| 808 | Py_XDECREF(t); |
| 809 | |
| 810 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 811 | } |
| 812 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 813 | #define PyImport_Import cPickle_Import |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 814 | |
| 815 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 816 | PyImport_Import(PyObject *module_name) |
| 817 | { |
| 818 | static PyObject *silly_list=0, *__builtins___str=0, *__import___str; |
| 819 | static PyObject *standard_builtins=0; |
| 820 | PyObject *globals=0, *__import__=0, *__builtins__=0, *r=0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 821 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 822 | if (!( silly_list )) { |
| 823 | if (!( __import___str=PyString_FromString("__import__"))) |
| 824 | return NULL; |
| 825 | if (!( __builtins___str=PyString_FromString("__builtins__"))) |
| 826 | return NULL; |
| 827 | if (!( silly_list=Py_BuildValue("[s]","__doc__"))) |
| 828 | return NULL; |
| 829 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 830 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 831 | if ((globals=PyEval_GetGlobals())) { |
| 832 | Py_INCREF(globals); |
| 833 | __builtins__=PyObject_GetItem(globals,__builtins___str); |
| 834 | if (!__builtins__) |
| 835 | goto err; |
| 836 | } |
| 837 | else { |
| 838 | PyErr_Clear(); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 839 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 840 | if (!(standard_builtins || |
| 841 | (standard_builtins=PyImport_ImportModule("__builtin__")))) |
| 842 | return NULL; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 843 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 844 | __builtins__=standard_builtins; |
| 845 | Py_INCREF(__builtins__); |
| 846 | globals = Py_BuildValue("{sO}", "__builtins__", __builtins__); |
| 847 | if (!globals) |
| 848 | goto err; |
| 849 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 850 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 851 | if (PyDict_Check(__builtins__)) { |
| 852 | __import__=PyObject_GetItem(__builtins__,__import___str); |
| 853 | if (!__import__) goto err; |
| 854 | } |
| 855 | else { |
| 856 | __import__=PyObject_GetAttr(__builtins__,__import___str); |
| 857 | if (!__import__) goto err; |
| 858 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 859 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 860 | r=PyObject_CallFunction(__import__,"OOOO", |
| 861 | module_name, globals, globals, silly_list); |
| 862 | if (!r) |
| 863 | goto err; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 864 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 865 | Py_DECREF(globals); |
| 866 | Py_DECREF(__builtins__); |
| 867 | Py_DECREF(__import__); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 868 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 869 | return r; |
| 870 | err: |
| 871 | Py_XDECREF(globals); |
| 872 | Py_XDECREF(__builtins__); |
| 873 | Py_XDECREF(__import__); |
| 874 | return NULL; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 875 | } |
| 876 | |
| 877 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 878 | whichmodule(PyObject *global, PyObject *global_name) |
| 879 | { |
| 880 | int i, j; |
| 881 | PyObject *module = 0, *modules_dict = 0, |
| 882 | *global_name_attr = 0, *name = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 883 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 884 | module = PyObject_GetAttrString(global, "__module__"); |
| 885 | if (module) return module; |
| 886 | PyErr_Clear(); |
Guido van Rossum | 4518823 | 1997-09-28 05:38:51 +0000 | [diff] [blame] | 887 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 888 | if (!( modules_dict = PySys_GetObject("modules"))) |
| 889 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 890 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 891 | i = 0; |
| 892 | while ((j = PyDict_Next(modules_dict, &i, &name, &module))) { |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 893 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 894 | if (PyObject_Compare(name, __main___str)==0) continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 895 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 896 | global_name_attr = PyObject_GetAttr(module, global_name); |
| 897 | if (!global_name_attr) { |
| 898 | PyErr_Clear(); |
| 899 | continue; |
| 900 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 901 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 902 | if (global_name_attr != global) { |
| 903 | Py_DECREF(global_name_attr); |
| 904 | continue; |
| 905 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 906 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 907 | Py_DECREF(global_name_attr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 908 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 909 | break; |
| 910 | } |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 911 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 912 | /* The following implements the rule in pickle.py added in 1.5 |
| 913 | that used __main__ if no module is found. I don't actually |
| 914 | like this rule. jlf |
| 915 | */ |
| 916 | if (!j) { |
| 917 | j=1; |
| 918 | name=__main___str; |
| 919 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 920 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 921 | Py_INCREF(name); |
| 922 | return name; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 923 | } |
| 924 | |
| 925 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 926 | static int |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 927 | fast_save_enter(Picklerobject *self, PyObject *obj) |
| 928 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 929 | /* if fast_container < 0, we're doing an error exit. */ |
| 930 | if (++self->fast_container >= PY_CPICKLE_FAST_LIMIT) { |
| 931 | PyObject *key = NULL; |
| 932 | if (self->fast_memo == NULL) { |
| 933 | self->fast_memo = PyDict_New(); |
| 934 | if (self->fast_memo == NULL) { |
| 935 | self->fast_container = -1; |
| 936 | return 0; |
| 937 | } |
| 938 | } |
| 939 | key = PyLong_FromVoidPtr(obj); |
| 940 | if (key == NULL) |
| 941 | return 0; |
| 942 | if (PyDict_GetItem(self->fast_memo, key)) { |
| 943 | PyErr_Format(PyExc_ValueError, |
| 944 | "fast mode: can't pickle cyclic objects including object type %s at %p", |
| 945 | obj->ob_type->tp_name, obj); |
| 946 | self->fast_container = -1; |
| 947 | return 0; |
| 948 | } |
| 949 | if (PyDict_SetItem(self->fast_memo, key, Py_None) < 0) { |
| 950 | self->fast_container = -1; |
| 951 | return 0; |
| 952 | } |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 953 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 954 | return 1; |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 955 | } |
| 956 | |
| 957 | int |
| 958 | fast_save_leave(Picklerobject *self, PyObject *obj) |
| 959 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 960 | if (self->fast_container-- >= PY_CPICKLE_FAST_LIMIT) { |
| 961 | PyObject *key = PyLong_FromVoidPtr(obj); |
| 962 | if (key == NULL) |
| 963 | return 0; |
| 964 | if (PyDict_DelItem(self->fast_memo, key) < 0) { |
| 965 | return 0; |
| 966 | } |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 967 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 968 | return 1; |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 969 | } |
| 970 | |
| 971 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 972 | save_none(Picklerobject *self, PyObject *args) |
| 973 | { |
| 974 | static char none = NONE; |
| 975 | if ((*self->write_func)(self, &none, 1) < 0) |
| 976 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 977 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 978 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 979 | } |
| 980 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 981 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 982 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 983 | save_int(Picklerobject *self, PyObject *args) |
| 984 | { |
| 985 | char c_str[32]; |
| 986 | long l = PyInt_AS_LONG((PyIntObject *)args); |
| 987 | int len = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 988 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 989 | if (!self->bin |
Guido van Rossum | de8d6d7 | 1997-05-13 18:00:44 +0000 | [diff] [blame] | 990 | #if SIZEOF_LONG > 4 |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 991 | || l > 0x7fffffffL |
| 992 | || l < -0x80000000L |
Guido van Rossum | de8d6d7 | 1997-05-13 18:00:44 +0000 | [diff] [blame] | 993 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 994 | ) { |
| 995 | /* Text-mode pickle, or long too big to fit in the 4-byte |
| 996 | * signed BININT format: store as a string. |
| 997 | */ |
| 998 | c_str[0] = INT; |
| 999 | PyOS_snprintf(c_str + 1, sizeof(c_str) - 1, "%ld\n", l); |
| 1000 | if ((*self->write_func)(self, c_str, strlen(c_str)) < 0) |
| 1001 | return -1; |
| 1002 | } |
| 1003 | else { |
| 1004 | /* Binary pickle and l fits in a signed 4-byte int. */ |
| 1005 | c_str[1] = (int)( l & 0xff); |
| 1006 | c_str[2] = (int)((l >> 8) & 0xff); |
| 1007 | c_str[3] = (int)((l >> 16) & 0xff); |
| 1008 | c_str[4] = (int)((l >> 24) & 0xff); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1009 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1010 | if ((c_str[4] == 0) && (c_str[3] == 0)) { |
| 1011 | if (c_str[2] == 0) { |
| 1012 | c_str[0] = BININT1; |
| 1013 | len = 2; |
| 1014 | } |
| 1015 | else { |
| 1016 | c_str[0] = BININT2; |
| 1017 | len = 3; |
| 1018 | } |
| 1019 | } |
| 1020 | else { |
| 1021 | c_str[0] = BININT; |
| 1022 | len = 5; |
| 1023 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1024 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1025 | if ((*self->write_func)(self, c_str, len) < 0) |
| 1026 | return -1; |
| 1027 | } |
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 0; |
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_long(Picklerobject *self, PyObject *args) |
| 1035 | { |
| 1036 | int size, res = -1; |
| 1037 | PyObject *repr = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1038 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1039 | static char l = LONG; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1040 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1041 | if (!( repr = PyObject_Repr(args))) |
| 1042 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1043 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1044 | if ((size = PyString_Size(repr)) < 0) |
| 1045 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1046 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1047 | if ((*self->write_func)(self, &l, 1) < 0) |
| 1048 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1049 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1050 | if ((*self->write_func)(self, |
| 1051 | PyString_AS_STRING((PyStringObject *)repr), |
| 1052 | size) < 0) |
| 1053 | goto finally; |
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 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1056 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1057 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1058 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1059 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1060 | finally: |
| 1061 | Py_XDECREF(repr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1062 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1063 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1064 | } |
| 1065 | |
| 1066 | |
| 1067 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1068 | save_float(Picklerobject *self, PyObject *args) |
| 1069 | { |
| 1070 | double x = PyFloat_AS_DOUBLE((PyFloatObject *)args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1071 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1072 | if (self->bin) { |
| 1073 | int s, e; |
| 1074 | double f; |
| 1075 | long fhi, flo; |
| 1076 | char str[9]; |
| 1077 | unsigned char *p = (unsigned char *)str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1078 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1079 | *p = BINFLOAT; |
| 1080 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1081 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1082 | if (x < 0) { |
| 1083 | s = 1; |
| 1084 | x = -x; |
| 1085 | } |
| 1086 | else |
| 1087 | s = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1088 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1089 | f = frexp(x, &e); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1090 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1091 | /* Normalize f to be in the range [1.0, 2.0) */ |
| 1092 | if (0.5 <= f && f < 1.0) { |
| 1093 | f *= 2.0; |
| 1094 | e--; |
| 1095 | } |
| 1096 | else if (f == 0.0) { |
| 1097 | e = 0; |
| 1098 | } |
| 1099 | else { |
| 1100 | PyErr_SetString(PyExc_SystemError, |
| 1101 | "frexp() result out of range"); |
| 1102 | return -1; |
| 1103 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1104 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1105 | if (e >= 1024) { |
| 1106 | /* XXX 1024 itself is reserved for Inf/NaN */ |
| 1107 | PyErr_SetString(PyExc_OverflowError, |
| 1108 | "float too large to pack with d format"); |
| 1109 | return -1; |
| 1110 | } |
| 1111 | else if (e < -1022) { |
| 1112 | /* Gradual underflow */ |
| 1113 | f = ldexp(f, 1022 + e); |
| 1114 | e = 0; |
| 1115 | } |
| 1116 | else if (!(e == 0 && f == 0.0)) { |
| 1117 | e += 1023; |
| 1118 | f -= 1.0; /* Get rid of leading 1 */ |
| 1119 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1120 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1121 | /* fhi receives the high 28 bits; |
| 1122 | flo the low 24 bits (== 52 bits) */ |
| 1123 | f *= 268435456.0; /* 2**28 */ |
| 1124 | fhi = (long) floor(f); /* Truncate */ |
| 1125 | f -= (double)fhi; |
| 1126 | f *= 16777216.0; /* 2**24 */ |
| 1127 | flo = (long) floor(f + 0.5); /* Round */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1128 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1129 | /* First byte */ |
| 1130 | *p = (s<<7) | (e>>4); |
| 1131 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1132 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1133 | /* Second byte */ |
| 1134 | *p = (unsigned char) (((e&0xF)<<4) | (fhi>>24)); |
| 1135 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1136 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1137 | /* Third byte */ |
| 1138 | *p = (unsigned char) ((fhi>>16) & 0xFF); |
| 1139 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1140 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1141 | /* Fourth byte */ |
| 1142 | *p = (unsigned char) ((fhi>>8) & 0xFF); |
| 1143 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1144 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1145 | /* Fifth byte */ |
| 1146 | *p = (unsigned char) (fhi & 0xFF); |
| 1147 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1148 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1149 | /* Sixth byte */ |
| 1150 | *p = (unsigned char) ((flo>>16) & 0xFF); |
| 1151 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1152 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1153 | /* Seventh byte */ |
| 1154 | *p = (unsigned char) ((flo>>8) & 0xFF); |
| 1155 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1156 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1157 | /* Eighth byte */ |
| 1158 | *p = (unsigned char) (flo & 0xFF); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1159 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1160 | if ((*self->write_func)(self, str, 9) < 0) |
| 1161 | return -1; |
| 1162 | } |
| 1163 | else { |
| 1164 | char c_str[250]; |
| 1165 | c_str[0] = FLOAT; |
| 1166 | 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] | 1167 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1168 | if ((*self->write_func)(self, c_str, strlen(c_str)) < 0) |
| 1169 | return -1; |
| 1170 | } |
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 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1173 | } |
| 1174 | |
| 1175 | |
| 1176 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1177 | save_string(Picklerobject *self, PyObject *args, int doput) |
| 1178 | { |
| 1179 | int size, len; |
| 1180 | PyObject *repr=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1181 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1182 | if ((size = PyString_Size(args)) < 0) |
| 1183 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1184 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1185 | if (!self->bin) { |
| 1186 | char *repr_str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1187 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1188 | static char string = STRING; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1189 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1190 | if (!( repr = PyObject_Repr(args))) |
| 1191 | return -1; |
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 ((len = PyString_Size(repr)) < 0) |
| 1194 | goto err; |
| 1195 | repr_str = PyString_AS_STRING((PyStringObject *)repr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1196 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1197 | if ((*self->write_func)(self, &string, 1) < 0) |
| 1198 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1199 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1200 | if ((*self->write_func)(self, repr_str, len) < 0) |
| 1201 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1202 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1203 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1204 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1205 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1206 | Py_XDECREF(repr); |
| 1207 | } |
| 1208 | else { |
| 1209 | int i; |
| 1210 | char c_str[5]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1211 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1212 | if ((size = PyString_Size(args)) < 0) |
| 1213 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1214 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1215 | if (size < 256) { |
| 1216 | c_str[0] = SHORT_BINSTRING; |
| 1217 | c_str[1] = size; |
| 1218 | len = 2; |
| 1219 | } |
| 1220 | else { |
| 1221 | c_str[0] = BINSTRING; |
| 1222 | for (i = 1; i < 5; i++) |
| 1223 | c_str[i] = (int)(size >> ((i - 1) * 8)); |
| 1224 | len = 5; |
| 1225 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1226 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1227 | if ((*self->write_func)(self, c_str, len) < 0) |
| 1228 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1229 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1230 | if (size > 128 && Pdata_Check(self->file)) { |
| 1231 | if (write_other(self, NULL, 0) < 0) return -1; |
| 1232 | PDATA_APPEND(self->file, args, -1); |
| 1233 | } |
| 1234 | else { |
| 1235 | if ((*self->write_func)(self, |
| 1236 | PyString_AS_STRING((PyStringObject *)args), size) < 0) |
| 1237 | return -1; |
| 1238 | } |
| 1239 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1240 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1241 | if (doput) |
| 1242 | if (put(self, args) < 0) |
| 1243 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1244 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1245 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1246 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1247 | err: |
| 1248 | Py_XDECREF(repr); |
| 1249 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1250 | } |
| 1251 | |
| 1252 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1253 | #ifdef Py_USING_UNICODE |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1254 | /* A copy of PyUnicode_EncodeRawUnicodeEscape() that also translates |
| 1255 | backslash and newline characters to \uXXXX escapes. */ |
| 1256 | static PyObject * |
| 1257 | modified_EncodeRawUnicodeEscape(const Py_UNICODE *s, int size) |
| 1258 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1259 | PyObject *repr; |
| 1260 | char *p; |
| 1261 | char *q; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1262 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1263 | static const char *hexdigit = "0123456789ABCDEF"; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1264 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1265 | repr = PyString_FromStringAndSize(NULL, 6 * size); |
| 1266 | if (repr == NULL) |
| 1267 | return NULL; |
| 1268 | if (size == 0) |
| 1269 | return repr; |
| 1270 | |
| 1271 | p = q = PyString_AS_STRING(repr); |
| 1272 | while (size-- > 0) { |
| 1273 | Py_UNICODE ch = *s++; |
| 1274 | /* Map 16-bit characters to '\uxxxx' */ |
| 1275 | if (ch >= 256 || ch == '\\' || ch == '\n') { |
| 1276 | *p++ = '\\'; |
| 1277 | *p++ = 'u'; |
| 1278 | *p++ = hexdigit[(ch >> 12) & 0xf]; |
| 1279 | *p++ = hexdigit[(ch >> 8) & 0xf]; |
| 1280 | *p++ = hexdigit[(ch >> 4) & 0xf]; |
| 1281 | *p++ = hexdigit[ch & 15]; |
| 1282 | } |
| 1283 | /* Copy everything else as-is */ |
| 1284 | else |
| 1285 | *p++ = (char) ch; |
| 1286 | } |
| 1287 | *p = '\0'; |
| 1288 | if (_PyString_Resize(&repr, p - q)) |
| 1289 | goto onError; |
| 1290 | |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1291 | return repr; |
| 1292 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1293 | onError: |
| 1294 | Py_DECREF(repr); |
| 1295 | return NULL; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1296 | } |
| 1297 | |
| 1298 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1299 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1300 | save_unicode(Picklerobject *self, PyObject *args, int doput) |
| 1301 | { |
| 1302 | int size, len; |
| 1303 | PyObject *repr=0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1304 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1305 | if (!PyUnicode_Check(args)) |
| 1306 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1307 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1308 | if (!self->bin) { |
| 1309 | char *repr_str; |
| 1310 | static char string = UNICODE; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1311 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1312 | repr = modified_EncodeRawUnicodeEscape( |
| 1313 | PyUnicode_AS_UNICODE(args), PyUnicode_GET_SIZE(args)); |
| 1314 | if (!repr) |
| 1315 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1316 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1317 | if ((len = PyString_Size(repr)) < 0) |
| 1318 | goto err; |
| 1319 | repr_str = PyString_AS_STRING((PyStringObject *)repr); |
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 | if ((*self->write_func)(self, &string, 1) < 0) |
| 1322 | goto err; |
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 ((*self->write_func)(self, repr_str, len) < 0) |
| 1325 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1326 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1327 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1328 | goto err; |
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 | Py_XDECREF(repr); |
| 1331 | } |
| 1332 | else { |
| 1333 | int i; |
| 1334 | char c_str[5]; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1335 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1336 | if (!( repr = PyUnicode_AsUTF8String(args))) |
| 1337 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1338 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1339 | if ((size = PyString_Size(repr)) < 0) |
| 1340 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1341 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1342 | c_str[0] = BINUNICODE; |
| 1343 | for (i = 1; i < 5; i++) |
| 1344 | c_str[i] = (int)(size >> ((i - 1) * 8)); |
| 1345 | len = 5; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1346 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1347 | if ((*self->write_func)(self, c_str, len) < 0) |
| 1348 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1349 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1350 | if (size > 128 && Pdata_Check(self->file)) { |
| 1351 | if (write_other(self, NULL, 0) < 0) |
| 1352 | goto err; |
| 1353 | PDATA_APPEND(self->file, repr, -1); |
| 1354 | } |
| 1355 | else { |
| 1356 | if ((*self->write_func)(self, PyString_AS_STRING(repr), |
| 1357 | size) < 0) |
| 1358 | goto err; |
| 1359 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1360 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1361 | Py_DECREF(repr); |
| 1362 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1363 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1364 | if (doput) |
| 1365 | if (put(self, args) < 0) |
| 1366 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1367 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1368 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1369 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1370 | err: |
| 1371 | Py_XDECREF(repr); |
| 1372 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1373 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1374 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1375 | |
| 1376 | |
| 1377 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1378 | save_tuple(Picklerobject *self, PyObject *args) |
| 1379 | { |
| 1380 | PyObject *element = 0, *py_tuple_id = 0; |
| 1381 | int len, i, res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1382 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1383 | static char tuple = TUPLE; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1384 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1385 | if ((*self->write_func)(self, &MARKv, 1) < 0) |
| 1386 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1387 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1388 | if ((len = PyTuple_Size(args)) < 0) |
| 1389 | goto finally; |
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 | for (i = 0; i < len; i++) { |
| 1392 | if (!( element = PyTuple_GET_ITEM((PyTupleObject *)args, i))) |
| 1393 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1394 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1395 | if (save(self, element, 0) < 0) |
| 1396 | goto finally; |
| 1397 | } |
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 | if (!( py_tuple_id = PyLong_FromVoidPtr(args))) |
| 1400 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1401 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1402 | if (len) { |
| 1403 | if (PyDict_GetItem(self->memo, py_tuple_id)) { |
| 1404 | if (self->bin) { |
| 1405 | static char pop_mark = POP_MARK; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1406 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1407 | if ((*self->write_func)(self, &pop_mark, 1) < 0) |
| 1408 | goto finally; |
| 1409 | } |
| 1410 | else { |
| 1411 | static char pop = POP; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1412 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1413 | for (i = 0; i <= len; i++) { |
| 1414 | if ((*self->write_func)(self, &pop, 1) < 0) |
| 1415 | goto finally; |
| 1416 | } |
| 1417 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1418 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1419 | if (get(self, py_tuple_id) < 0) |
| 1420 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1421 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1422 | res = 0; |
| 1423 | goto finally; |
| 1424 | } |
| 1425 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1426 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1427 | if ((*self->write_func)(self, &tuple, 1) < 0) { |
| 1428 | goto finally; |
| 1429 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1430 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1431 | if (put(self, args) < 0) |
| 1432 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1433 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1434 | res = 0; |
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 | finally: |
| 1437 | Py_XDECREF(py_tuple_id); |
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 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1440 | } |
| 1441 | |
| 1442 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1443 | save_empty_tuple(Picklerobject *self, PyObject *args) |
| 1444 | { |
| 1445 | static char tuple = EMPTY_TUPLE; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1446 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1447 | return (*self->write_func)(self, &tuple, 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1448 | } |
| 1449 | |
| 1450 | |
| 1451 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1452 | save_list(Picklerobject *self, PyObject *args) |
| 1453 | { |
| 1454 | PyObject *element = 0; |
| 1455 | int s_len, len, i, using_appends, res = -1; |
| 1456 | char s[3]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1457 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1458 | static char append = APPEND, appends = APPENDS; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1459 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1460 | if (self->fast && !fast_save_enter(self, args)) |
| 1461 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1462 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1463 | if (self->bin) { |
| 1464 | s[0] = EMPTY_LIST; |
| 1465 | s_len = 1; |
| 1466 | } |
| 1467 | else { |
| 1468 | s[0] = MARK; |
| 1469 | s[1] = LIST; |
| 1470 | s_len = 2; |
| 1471 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1472 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1473 | if ((len = PyList_Size(args)) < 0) |
| 1474 | goto finally; |
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 | if ((*self->write_func)(self, s, s_len) < 0) |
| 1477 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1478 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1479 | if (len == 0) { |
| 1480 | if (put(self, args) < 0) |
| 1481 | goto finally; |
| 1482 | } |
| 1483 | else { |
| 1484 | if (put2(self, args) < 0) |
| 1485 | goto finally; |
| 1486 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1487 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1488 | if ((using_appends = (self->bin && (len > 1)))) |
| 1489 | if ((*self->write_func)(self, &MARKv, 1) < 0) |
| 1490 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1491 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1492 | for (i = 0; i < len; i++) { |
| 1493 | if (!( element = PyList_GET_ITEM((PyListObject *)args, i))) |
| 1494 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1495 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1496 | if (save(self, element, 0) < 0) |
| 1497 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1498 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1499 | if (!using_appends) { |
| 1500 | if ((*self->write_func)(self, &append, 1) < 0) |
| 1501 | goto finally; |
| 1502 | } |
| 1503 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1504 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1505 | if (using_appends) { |
| 1506 | if ((*self->write_func)(self, &appends, 1) < 0) |
| 1507 | goto finally; |
| 1508 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1509 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1510 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1511 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1512 | finally: |
| 1513 | if (self->fast && !fast_save_leave(self, args)) |
| 1514 | res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1515 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1516 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1517 | } |
| 1518 | |
| 1519 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1520 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1521 | save_dict(Picklerobject *self, PyObject *args) |
| 1522 | { |
| 1523 | PyObject *key = 0, *value = 0; |
| 1524 | int i, len, res = -1, using_setitems; |
| 1525 | char s[3]; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1526 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1527 | static char setitem = SETITEM, setitems = SETITEMS; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1528 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1529 | if (self->fast && !fast_save_enter(self, args)) |
| 1530 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1531 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1532 | if (self->bin) { |
| 1533 | s[0] = EMPTY_DICT; |
| 1534 | len = 1; |
| 1535 | } |
| 1536 | else { |
| 1537 | s[0] = MARK; |
| 1538 | s[1] = DICT; |
| 1539 | len = 2; |
| 1540 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1541 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1542 | if ((*self->write_func)(self, s, len) < 0) |
| 1543 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1544 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1545 | if ((len = PyDict_Size(args)) < 0) |
| 1546 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1547 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1548 | if (len == 0) { |
| 1549 | if (put(self, args) < 0) |
| 1550 | goto finally; |
| 1551 | } |
| 1552 | else { |
| 1553 | if (put2(self, args) < 0) |
| 1554 | goto finally; |
| 1555 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1556 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1557 | if ((using_setitems = (self->bin && (PyDict_Size(args) > 1)))) |
| 1558 | if ((*self->write_func)(self, &MARKv, 1) < 0) |
| 1559 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1560 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1561 | i = 0; |
| 1562 | while (PyDict_Next(args, &i, &key, &value)) { |
| 1563 | if (save(self, key, 0) < 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 (save(self, value, 0) < 0) |
| 1567 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1568 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1569 | if (!using_setitems) { |
| 1570 | if ((*self->write_func)(self, &setitem, 1) < 0) |
| 1571 | goto finally; |
| 1572 | } |
| 1573 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1574 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1575 | if (using_setitems) { |
| 1576 | if ((*self->write_func)(self, &setitems, 1) < 0) |
| 1577 | goto finally; |
| 1578 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1579 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1580 | res = 0; |
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 | finally: |
| 1583 | if (self->fast && !fast_save_leave(self, args)) |
| 1584 | res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1585 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1586 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1587 | } |
| 1588 | |
| 1589 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1590 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1591 | save_inst(Picklerobject *self, PyObject *args) |
| 1592 | { |
| 1593 | PyObject *class = 0, *module = 0, *name = 0, *state = 0, |
| 1594 | *getinitargs_func = 0, *getstate_func = 0, *class_args = 0; |
| 1595 | char *module_str, *name_str; |
| 1596 | int module_size, name_size, res = -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1597 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1598 | static char inst = INST, obj = OBJ, build = BUILD; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1599 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1600 | if (self->fast && !fast_save_enter(self, args)) |
| 1601 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1602 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1603 | if ((*self->write_func)(self, &MARKv, 1) < 0) |
| 1604 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1605 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1606 | if (!( class = PyObject_GetAttr(args, __class___str))) |
| 1607 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1608 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1609 | if (self->bin) { |
| 1610 | if (save(self, class, 0) < 0) |
| 1611 | goto finally; |
| 1612 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1613 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1614 | if ((getinitargs_func = PyObject_GetAttr(args, __getinitargs___str))) { |
| 1615 | PyObject *element = 0; |
| 1616 | int i, len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1617 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1618 | if (!( class_args = |
| 1619 | PyObject_Call(getinitargs_func, empty_tuple, NULL))) |
| 1620 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1621 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1622 | if ((len = PyObject_Size(class_args)) < 0) |
| 1623 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1624 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1625 | for (i = 0; i < len; i++) { |
| 1626 | if (!( element = PySequence_GetItem(class_args, i))) |
| 1627 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1628 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1629 | if (save(self, element, 0) < 0) { |
| 1630 | Py_DECREF(element); |
| 1631 | goto finally; |
| 1632 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1633 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1634 | Py_DECREF(element); |
| 1635 | } |
| 1636 | } |
| 1637 | else { |
| 1638 | PyErr_Clear(); |
| 1639 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1640 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1641 | if (!self->bin) { |
| 1642 | if (!( name = ((PyClassObject *)class)->cl_name )) { |
| 1643 | PyErr_SetString(PicklingError, "class has no name"); |
| 1644 | goto finally; |
| 1645 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1646 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1647 | if (!( module = whichmodule(class, name))) |
| 1648 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1649 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1650 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1651 | if ((module_size = PyString_Size(module)) < 0 || |
| 1652 | (name_size = PyString_Size(name)) < 0) |
| 1653 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1654 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1655 | module_str = PyString_AS_STRING((PyStringObject *)module); |
| 1656 | name_str = PyString_AS_STRING((PyStringObject *)name); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1657 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1658 | if ((*self->write_func)(self, &inst, 1) < 0) |
| 1659 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1660 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1661 | if ((*self->write_func)(self, module_str, module_size) < 0) |
| 1662 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1663 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1664 | if ((*self->write_func)(self, "\n", 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 | if ((*self->write_func)(self, name_str, name_size) < 0) |
| 1668 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1669 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1670 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1671 | goto finally; |
| 1672 | } |
| 1673 | else if ((*self->write_func)(self, &obj, 1) < 0) { |
| 1674 | goto finally; |
| 1675 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1676 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1677 | if ((getstate_func = PyObject_GetAttr(args, __getstate___str))) { |
| 1678 | state = PyObject_Call(getstate_func, empty_tuple, NULL); |
| 1679 | if (!state) |
| 1680 | goto finally; |
| 1681 | } |
| 1682 | else { |
| 1683 | PyErr_Clear(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1684 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1685 | if (!( state = PyObject_GetAttr(args, __dict___str))) { |
| 1686 | PyErr_Clear(); |
| 1687 | res = 0; |
| 1688 | goto finally; |
| 1689 | } |
| 1690 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1691 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1692 | if (!PyDict_Check(state)) { |
| 1693 | if (put2(self, args) < 0) |
| 1694 | goto finally; |
| 1695 | } |
| 1696 | else { |
| 1697 | if (put(self, args) < 0) |
| 1698 | goto finally; |
| 1699 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1700 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1701 | if (save(self, state, 0) < 0) |
| 1702 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1703 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1704 | if ((*self->write_func)(self, &build, 1) < 0) |
| 1705 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1706 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1707 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1708 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1709 | finally: |
| 1710 | if (self->fast && !fast_save_leave(self, args)) |
| 1711 | res = -1; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1712 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1713 | Py_XDECREF(module); |
| 1714 | Py_XDECREF(class); |
| 1715 | Py_XDECREF(state); |
| 1716 | Py_XDECREF(getinitargs_func); |
| 1717 | Py_XDECREF(getstate_func); |
| 1718 | Py_XDECREF(class_args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1719 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1720 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1721 | } |
| 1722 | |
| 1723 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1724 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1725 | save_global(Picklerobject *self, PyObject *args, PyObject *name) |
| 1726 | { |
| 1727 | PyObject *global_name = 0, *module = 0, *mod = 0, *moddict = 0, *klass = 0; |
| 1728 | char *name_str, *module_str; |
| 1729 | int module_size, name_size, res = -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1730 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1731 | static char global = GLOBAL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1732 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1733 | if (name) { |
| 1734 | global_name = name; |
| 1735 | Py_INCREF(global_name); |
| 1736 | } |
| 1737 | else { |
| 1738 | if (!( global_name = PyObject_GetAttr(args, __name___str))) |
| 1739 | goto finally; |
| 1740 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1741 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1742 | if (!( module = whichmodule(args, global_name))) |
| 1743 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1744 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1745 | if ((module_size = PyString_Size(module)) < 0 || |
| 1746 | (name_size = PyString_Size(global_name)) < 0) |
| 1747 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1748 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1749 | module_str = PyString_AS_STRING((PyStringObject *)module); |
| 1750 | name_str = PyString_AS_STRING((PyStringObject *)global_name); |
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 | mod = PyImport_ImportModule(module_str); |
| 1753 | if (mod == NULL) { |
| 1754 | /* Py_ErrClear(); ?? */ |
| 1755 | cPickle_ErrFormat(PicklingError, |
| 1756 | "Can't pickle %s: it's not found as %s.%s", |
| 1757 | "OSS", args, module, global_name); |
| 1758 | goto finally; |
| 1759 | } |
| 1760 | /* borrowed ref */ |
| 1761 | moddict = PyModule_GetDict(mod); |
| 1762 | /* borrowed ref */ |
| 1763 | klass = PyDict_GetItemString(moddict, name_str); |
| 1764 | if (klass == NULL) { |
| 1765 | cPickle_ErrFormat(PicklingError, |
| 1766 | "Can't pickle %s: it's not found as %s.%s", |
| 1767 | "OSS", args, module, global_name); |
| 1768 | goto finally; |
| 1769 | } |
| 1770 | if (klass != args) { |
| 1771 | cPickle_ErrFormat(PicklingError, |
| 1772 | "Can't pickle %s: it's not the same object as %s.%s", |
| 1773 | "OSS", args, module, global_name); |
| 1774 | goto finally; |
| 1775 | } |
Guido van Rossum | a92d16a | 2001-08-18 21:22:07 +0000 | [diff] [blame] | 1776 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1777 | if ((*self->write_func)(self, &global, 1) < 0) |
| 1778 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1779 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1780 | if ((*self->write_func)(self, module_str, module_size) < 0) |
| 1781 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1782 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1783 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1784 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1785 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1786 | if ((*self->write_func)(self, name_str, name_size) < 0) |
| 1787 | goto finally; |
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, "\n", 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 (put(self, args) < 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 | res = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1796 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1797 | finally: |
| 1798 | Py_XDECREF(module); |
| 1799 | Py_XDECREF(global_name); |
| 1800 | Py_XDECREF(mod); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1801 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1802 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1803 | } |
| 1804 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1805 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1806 | save_pers(Picklerobject *self, PyObject *args, PyObject *f) |
| 1807 | { |
| 1808 | PyObject *pid = 0; |
| 1809 | int size, res = -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1810 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1811 | static char persid = PERSID, binpersid = BINPERSID; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1812 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1813 | Py_INCREF(args); |
| 1814 | ARG_TUP(self, args); |
| 1815 | if (self->arg) { |
| 1816 | pid = PyObject_Call(f, self->arg, NULL); |
| 1817 | FREE_ARG_TUP(self); |
| 1818 | } |
| 1819 | if (! pid) return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1820 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1821 | if (pid != Py_None) { |
| 1822 | if (!self->bin) { |
| 1823 | if (!PyString_Check(pid)) { |
| 1824 | PyErr_SetString(PicklingError, |
| 1825 | "persistent id must be string"); |
| 1826 | goto finally; |
| 1827 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1828 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1829 | if ((*self->write_func)(self, &persid, 1) < 0) |
| 1830 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1831 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1832 | if ((size = PyString_Size(pid)) < 0) |
| 1833 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1834 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1835 | if ((*self->write_func)(self, |
| 1836 | PyString_AS_STRING((PyStringObject *)pid), size) < 0) |
| 1837 | goto finally; |
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 ((*self->write_func)(self, "\n", 1) < 0) |
| 1840 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1841 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1842 | res = 1; |
| 1843 | goto finally; |
| 1844 | } |
| 1845 | else if (save(self, pid, 1) >= 0) { |
| 1846 | if ((*self->write_func)(self, &binpersid, 1) < 0) |
| 1847 | res = -1; |
| 1848 | else |
| 1849 | res = 1; |
| 1850 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1851 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1852 | goto finally; |
| 1853 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1854 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1855 | res = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1856 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1857 | finally: |
| 1858 | Py_XDECREF(pid); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1859 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1860 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1861 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1862 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1863 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1864 | static int |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1865 | save_reduce(Picklerobject *self, PyObject *callable, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1866 | PyObject *tup, PyObject *state, PyObject *ob) |
| 1867 | { |
| 1868 | static char reduce = REDUCE, build = BUILD; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1869 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1870 | if (save(self, callable, 0) < 0) |
| 1871 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1872 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1873 | if (save(self, tup, 0) < 0) |
| 1874 | return -1; |
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 ((*self->write_func)(self, &reduce, 1) < 0) |
| 1877 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1878 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1879 | if (ob != NULL) { |
| 1880 | if (state && !PyDict_Check(state)) { |
| 1881 | if (put2(self, ob) < 0) |
| 1882 | return -1; |
| 1883 | } |
| 1884 | else { |
| 1885 | if (put(self, ob) < 0) |
| 1886 | return -1; |
| 1887 | } |
| 1888 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1889 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1890 | if (state) { |
| 1891 | if (save(self, state, 0) < 0) |
| 1892 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1893 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1894 | if ((*self->write_func)(self, &build, 1) < 0) |
| 1895 | return -1; |
| 1896 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1897 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1898 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1899 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1900 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1901 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1902 | save(Picklerobject *self, PyObject *args, int pers_save) |
| 1903 | { |
| 1904 | PyTypeObject *type; |
| 1905 | PyObject *py_ob_id = 0, *__reduce__ = 0, *t = 0, *arg_tup = 0, |
| 1906 | *callable = 0, *state = 0; |
| 1907 | int res = -1, tmp, size; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1908 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1909 | if (!pers_save && self->pers_func) { |
| 1910 | if ((tmp = save_pers(self, args, self->pers_func)) != 0) { |
| 1911 | res = tmp; |
| 1912 | goto finally; |
| 1913 | } |
| 1914 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1915 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1916 | if (args == Py_None) { |
| 1917 | res = save_none(self, args); |
| 1918 | goto finally; |
| 1919 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1920 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1921 | type = args->ob_type; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1922 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1923 | switch (type->tp_name[0]) { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1924 | case 'i': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1925 | if (type == &PyInt_Type) { |
| 1926 | res = save_int(self, args); |
| 1927 | goto finally; |
| 1928 | } |
| 1929 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1930 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1931 | case 'l': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1932 | if (type == &PyLong_Type) { |
| 1933 | res = save_long(self, args); |
| 1934 | goto finally; |
| 1935 | } |
| 1936 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1937 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1938 | case 'f': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1939 | if (type == &PyFloat_Type) { |
| 1940 | res = save_float(self, args); |
| 1941 | goto finally; |
| 1942 | } |
| 1943 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1944 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1945 | case 't': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1946 | if (type == &PyTuple_Type && PyTuple_Size(args)==0) { |
| 1947 | if (self->bin) res = save_empty_tuple(self, args); |
| 1948 | else res = save_tuple(self, args); |
| 1949 | goto finally; |
| 1950 | } |
| 1951 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1952 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1953 | case 's': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1954 | if ((type == &PyString_Type) && (PyString_GET_SIZE(args) < 2)) { |
| 1955 | res = save_string(self, args, 0); |
| 1956 | goto finally; |
| 1957 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1958 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1959 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1960 | case 'u': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1961 | if ((type == &PyUnicode_Type) && (PyString_GET_SIZE(args) < 2)) { |
| 1962 | res = save_unicode(self, args, 0); |
| 1963 | goto finally; |
| 1964 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1965 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1966 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1967 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1968 | if (args->ob_refcnt > 1) { |
| 1969 | if (!( py_ob_id = PyLong_FromVoidPtr(args))) |
| 1970 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1971 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1972 | if (PyDict_GetItem(self->memo, py_ob_id)) { |
| 1973 | if (get(self, py_ob_id) < 0) |
| 1974 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1975 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1976 | res = 0; |
| 1977 | goto finally; |
| 1978 | } |
| 1979 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1980 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1981 | switch (type->tp_name[0]) { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1982 | case 's': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1983 | if (type == &PyString_Type) { |
| 1984 | res = save_string(self, args, 1); |
| 1985 | goto finally; |
| 1986 | } |
| 1987 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1988 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1989 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1990 | case 'u': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1991 | if (type == &PyUnicode_Type) { |
| 1992 | res = save_unicode(self, args, 1); |
| 1993 | goto finally; |
| 1994 | } |
| 1995 | break; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1996 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1997 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1998 | case 't': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 1999 | if (type == &PyTuple_Type) { |
| 2000 | res = save_tuple(self, args); |
| 2001 | goto finally; |
| 2002 | } |
| 2003 | if (type == &PyType_Type) { |
| 2004 | res = save_global(self, args, NULL); |
| 2005 | goto finally; |
| 2006 | } |
| 2007 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2008 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2009 | case 'l': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2010 | if (type == &PyList_Type) { |
| 2011 | res = save_list(self, args); |
| 2012 | goto finally; |
| 2013 | } |
| 2014 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2015 | |
| 2016 | case 'd': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2017 | if (type == &PyDict_Type) { |
| 2018 | res = save_dict(self, args); |
| 2019 | goto finally; |
| 2020 | } |
| 2021 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2022 | |
| 2023 | case 'i': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2024 | if (type == &PyInstance_Type) { |
| 2025 | res = save_inst(self, args); |
| 2026 | goto finally; |
| 2027 | } |
| 2028 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2029 | |
| 2030 | case 'c': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2031 | if (type == &PyClass_Type) { |
| 2032 | res = save_global(self, args, NULL); |
| 2033 | goto finally; |
| 2034 | } |
| 2035 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2036 | |
| 2037 | case 'f': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2038 | if (type == &PyFunction_Type) { |
| 2039 | res = save_global(self, args, NULL); |
| 2040 | goto finally; |
| 2041 | } |
| 2042 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2043 | |
| 2044 | case 'b': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2045 | if (type == &PyCFunction_Type) { |
| 2046 | res = save_global(self, args, NULL); |
| 2047 | goto finally; |
| 2048 | } |
| 2049 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2050 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2051 | if (PyType_IsSubtype(type, &PyType_Type)) { |
| 2052 | res = save_global(self, args, NULL); |
| 2053 | goto finally; |
| 2054 | } |
Guido van Rossum | 950dce6 | 2001-12-19 16:56:54 +0000 | [diff] [blame] | 2055 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2056 | if (!pers_save && self->inst_pers_func) { |
| 2057 | if ((tmp = save_pers(self, args, self->inst_pers_func)) != 0) { |
| 2058 | res = tmp; |
| 2059 | goto finally; |
| 2060 | } |
| 2061 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2062 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2063 | if ((__reduce__ = PyDict_GetItem(dispatch_table, (PyObject *)type))) { |
| 2064 | Py_INCREF(__reduce__); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2065 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2066 | Py_INCREF(args); |
| 2067 | ARG_TUP(self, args); |
| 2068 | if (self->arg) { |
| 2069 | t = PyObject_Call(__reduce__, self->arg, NULL); |
| 2070 | FREE_ARG_TUP(self); |
| 2071 | } |
| 2072 | if (! t) goto finally; |
| 2073 | } |
| 2074 | else { |
| 2075 | PyErr_Clear(); |
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 ((__reduce__ = PyObject_GetAttr(args, __reduce___str))) { |
| 2078 | t = PyObject_Call(__reduce__, empty_tuple, NULL); |
| 2079 | if (!t) |
| 2080 | goto finally; |
| 2081 | } |
| 2082 | else { |
| 2083 | PyErr_Clear(); |
| 2084 | } |
| 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 | if (t) { |
| 2088 | if (PyString_Check(t)) { |
| 2089 | res = save_global(self, args, t); |
| 2090 | goto finally; |
| 2091 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2092 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2093 | if (!PyTuple_Check(t)) { |
| 2094 | cPickle_ErrFormat(PicklingError, "Value returned by %s must " |
| 2095 | "be a tuple", "O", __reduce__); |
| 2096 | goto finally; |
| 2097 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2098 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2099 | size = PyTuple_Size(t); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2100 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2101 | if ((size != 3) && (size != 2)) { |
| 2102 | cPickle_ErrFormat(PicklingError, "tuple returned by %s must " |
| 2103 | "contain only two or three elements", "O", __reduce__); |
| 2104 | goto finally; |
| 2105 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2106 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2107 | callable = PyTuple_GET_ITEM(t, 0); |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 2108 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2109 | arg_tup = PyTuple_GET_ITEM(t, 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2110 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2111 | if (size > 2) { |
| 2112 | state = PyTuple_GET_ITEM(t, 2); |
| 2113 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2114 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2115 | if (!( PyTuple_Check(arg_tup) || arg_tup==Py_None )) { |
| 2116 | cPickle_ErrFormat(PicklingError, "Second element of tuple " |
| 2117 | "returned by %s must be a tuple", "O", __reduce__); |
| 2118 | goto finally; |
| 2119 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2120 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2121 | res = save_reduce(self, callable, arg_tup, state, args); |
| 2122 | goto finally; |
| 2123 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2124 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2125 | PyErr_SetObject(UnpickleableError, args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2126 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2127 | finally: |
| 2128 | Py_XDECREF(py_ob_id); |
| 2129 | Py_XDECREF(__reduce__); |
| 2130 | Py_XDECREF(t); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2131 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2132 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2133 | } |
| 2134 | |
| 2135 | |
| 2136 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2137 | dump(Picklerobject *self, PyObject *args) |
| 2138 | { |
| 2139 | static char stop = STOP; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2140 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2141 | if (save(self, args, 0) < 0) |
| 2142 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2143 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2144 | if ((*self->write_func)(self, &stop, 1) < 0) |
| 2145 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2146 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2147 | if ((*self->write_func)(self, NULL, 0) < 0) |
| 2148 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2149 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2150 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2151 | } |
| 2152 | |
| 2153 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2154 | Pickle_clear_memo(Picklerobject *self, PyObject *args) |
| 2155 | { |
| 2156 | if (!PyArg_ParseTuple(args,":clear_memo")) |
| 2157 | return NULL; |
| 2158 | if (self->memo) |
| 2159 | PyDict_Clear(self->memo); |
| 2160 | Py_INCREF(Py_None); |
| 2161 | return Py_None; |
| 2162 | } |
| 2163 | |
| 2164 | static PyObject * |
| 2165 | Pickle_getvalue(Picklerobject *self, PyObject *args) |
| 2166 | { |
| 2167 | int l, i, rsize, ssize, clear=1, lm; |
| 2168 | long ik; |
| 2169 | PyObject *k, *r; |
| 2170 | char *s, *p, *have_get; |
| 2171 | Pdata *data; |
| 2172 | |
| 2173 | /* Can be called by Python code or C code */ |
| 2174 | if (args && !PyArg_ParseTuple(args, "|i:getvalue", &clear)) |
| 2175 | return NULL; |
| 2176 | |
| 2177 | /* Check to make sure we are based on a list */ |
| 2178 | if (! Pdata_Check(self->file)) { |
| 2179 | PyErr_SetString(PicklingError, |
| 2180 | "Attempt to getvalue() a non-list-based pickler"); |
| 2181 | return NULL; |
| 2182 | } |
| 2183 | |
| 2184 | /* flush write buffer */ |
| 2185 | if (write_other(self, NULL, 0) < 0) return NULL; |
| 2186 | |
| 2187 | data=(Pdata*)self->file; |
| 2188 | l=data->length; |
| 2189 | |
| 2190 | /* set up an array to hold get/put status */ |
| 2191 | if ((lm=PyDict_Size(self->memo)) < 0) return NULL; |
| 2192 | lm++; |
| 2193 | if (! (have_get=malloc((lm)*sizeof(char)))) return PyErr_NoMemory(); |
| 2194 | memset(have_get,0,lm); |
| 2195 | |
| 2196 | /* Scan for gets. */ |
| 2197 | for (rsize=0, i=l; --i >= 0; ) { |
| 2198 | k=data->data[i]; |
| 2199 | |
| 2200 | if (PyString_Check(k)) { |
| 2201 | rsize += PyString_GET_SIZE(k); |
| 2202 | } |
| 2203 | |
| 2204 | else if (PyInt_Check(k)) { /* put */ |
| 2205 | ik=PyInt_AS_LONG((PyIntObject*)k); |
| 2206 | if (ik >= lm || ik==0) { |
| 2207 | PyErr_SetString(PicklingError, |
| 2208 | "Invalid get data"); |
| 2209 | return NULL; |
| 2210 | } |
| 2211 | if (have_get[ik]) { /* with matching get */ |
| 2212 | if (ik < 256) rsize += 2; |
| 2213 | else rsize+=5; |
| 2214 | } |
| 2215 | } |
| 2216 | |
| 2217 | else if (! (PyTuple_Check(k) && |
| 2218 | PyTuple_GET_SIZE(k) == 2 && |
| 2219 | PyInt_Check((k=PyTuple_GET_ITEM(k,0)))) |
| 2220 | ) { |
| 2221 | PyErr_SetString(PicklingError, |
| 2222 | "Unexpected data in internal list"); |
| 2223 | return NULL; |
| 2224 | } |
| 2225 | |
| 2226 | else { /* put */ |
| 2227 | ik=PyInt_AS_LONG((PyIntObject*)k); |
| 2228 | if (ik >= lm || ik==0) { |
| 2229 | PyErr_SetString(PicklingError, |
| 2230 | "Invalid get data"); |
| 2231 | return NULL; |
| 2232 | } |
| 2233 | have_get[ik]=1; |
| 2234 | if (ik < 256) rsize += 2; |
| 2235 | else rsize+=5; |
| 2236 | } |
| 2237 | |
| 2238 | } |
| 2239 | |
| 2240 | /* Now generate the result */ |
| 2241 | if (!( r=PyString_FromStringAndSize(NULL,rsize))) goto err; |
| 2242 | s=PyString_AS_STRING((PyStringObject*)r); |
| 2243 | |
| 2244 | for (i=0; i<l; i++) { |
| 2245 | k=data->data[i]; |
| 2246 | |
| 2247 | if (PyString_Check(k)) { |
| 2248 | ssize=PyString_GET_SIZE(k); |
| 2249 | if (ssize) { |
| 2250 | p=PyString_AS_STRING((PyStringObject*)k); |
| 2251 | while (--ssize >= 0) *s++=*p++; |
| 2252 | } |
| 2253 | } |
| 2254 | |
| 2255 | else if (PyTuple_Check(k)) { /* get */ |
| 2256 | ik=PyInt_AS_LONG((PyIntObject*)PyTuple_GET_ITEM(k,0)); |
| 2257 | if (ik < 256) { |
| 2258 | *s++ = BINGET; |
| 2259 | *s++ = (int)(ik & 0xff); |
| 2260 | } |
| 2261 | else { |
| 2262 | *s++ = LONG_BINGET; |
| 2263 | *s++ = (int)(ik & 0xff); |
| 2264 | *s++ = (int)((ik >> 8) & 0xff); |
| 2265 | *s++ = (int)((ik >> 16) & 0xff); |
| 2266 | *s++ = (int)((ik >> 24) & 0xff); |
| 2267 | } |
| 2268 | } |
| 2269 | |
| 2270 | else { /* put */ |
| 2271 | ik=PyInt_AS_LONG((PyIntObject*)k); |
| 2272 | |
| 2273 | if (have_get[ik]) { /* with matching get */ |
| 2274 | if (ik < 256) { |
| 2275 | *s++ = BINPUT; |
| 2276 | *s++ = (int)(ik & 0xff); |
| 2277 | } |
| 2278 | else { |
| 2279 | *s++ = LONG_BINPUT; |
| 2280 | *s++ = (int)(ik & 0xff); |
| 2281 | *s++ = (int)((ik >> 8) & 0xff); |
| 2282 | *s++ = (int)((ik >> 16) & 0xff); |
| 2283 | *s++ = (int)((ik >> 24) & 0xff); |
| 2284 | } |
| 2285 | } |
| 2286 | } |
| 2287 | |
| 2288 | } |
| 2289 | |
| 2290 | if (clear) { |
| 2291 | PyDict_Clear(self->memo); |
| 2292 | Pdata_clear(data,0); |
| 2293 | } |
| 2294 | |
| 2295 | free(have_get); |
| 2296 | return r; |
| 2297 | err: |
| 2298 | free(have_get); |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2299 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2300 | } |
| 2301 | |
| 2302 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2303 | Pickler_dump(Picklerobject *self, PyObject *args) |
| 2304 | { |
| 2305 | PyObject *ob; |
| 2306 | int get=0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2307 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2308 | if (!( PyArg_ParseTuple(args, "O|i:dump", &ob, &get))) |
| 2309 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2310 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2311 | if (dump(self, ob) < 0) |
| 2312 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2313 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2314 | if (get) return Pickle_getvalue(self, NULL); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2315 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2316 | /* XXX Why does dump() return self? */ |
| 2317 | Py_INCREF(self); |
| 2318 | return (PyObject*)self; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2319 | } |
| 2320 | |
| 2321 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2322 | static struct PyMethodDef Pickler_methods[] = |
| 2323 | { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 2324 | {"dump", (PyCFunction)Pickler_dump, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2325 | "dump(object) --" |
| 2326 | "Write an object in pickle format to the object's pickle stream\n" |
| 2327 | }, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 2328 | {"clear_memo", (PyCFunction)Pickle_clear_memo, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2329 | "clear_memo() -- Clear the picklers memo"}, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 2330 | {"getvalue", (PyCFunction)Pickle_getvalue, METH_VARARGS, |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2331 | "getvalue() -- Finish picking a list-based pickle"}, |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2332 | {NULL, NULL} /* sentinel */ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2333 | }; |
| 2334 | |
| 2335 | |
| 2336 | static Picklerobject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2337 | newPicklerobject(PyObject *file, int bin) |
| 2338 | { |
| 2339 | Picklerobject *self; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2340 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2341 | if (!( self = PyObject_New(Picklerobject, &Picklertype))) |
| 2342 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2343 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2344 | self->fp = NULL; |
| 2345 | self->write = NULL; |
| 2346 | self->memo = NULL; |
| 2347 | self->arg = NULL; |
| 2348 | self->pers_func = NULL; |
| 2349 | self->inst_pers_func = NULL; |
| 2350 | self->write_buf = NULL; |
| 2351 | self->bin = bin; |
| 2352 | self->fast = 0; |
| 2353 | self->fast_container = 0; |
| 2354 | self->fast_memo = NULL; |
| 2355 | self->buf_size = 0; |
| 2356 | self->dispatch_table = NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2357 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2358 | if (file) |
| 2359 | Py_INCREF(file); |
| 2360 | else |
| 2361 | file=Pdata_New(); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2362 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2363 | if (!( self->file = file )) |
| 2364 | goto err; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2365 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2366 | if (!( self->memo = PyDict_New())) |
| 2367 | goto err; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2368 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2369 | if (PyFile_Check(file)) { |
| 2370 | self->fp = PyFile_AsFile(file); |
| 2371 | if (self->fp == NULL) { |
| 2372 | PyErr_SetString(PyExc_ValueError, "I/O operation on closed file"); |
| 2373 | goto err; |
| 2374 | } |
| 2375 | self->write_func = write_file; |
Guido van Rossum | c91fcaa | 1999-03-29 20:00:14 +0000 | [diff] [blame] | 2376 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2377 | else if (PycStringIO_OutputCheck(file)) { |
| 2378 | self->write_func = write_cStringIO; |
| 2379 | } |
| 2380 | else if (file == Py_None) { |
| 2381 | self->write_func = write_none; |
| 2382 | } |
| 2383 | else { |
| 2384 | self->write_func = write_other; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2385 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2386 | if (! Pdata_Check(file)) { |
| 2387 | self->write = PyObject_GetAttr(file, write_str); |
| 2388 | if (!self->write) { |
| 2389 | PyErr_Clear(); |
| 2390 | PyErr_SetString(PyExc_TypeError, |
| 2391 | "argument must have 'write' " |
| 2392 | "attribute"); |
| 2393 | goto err; |
| 2394 | } |
| 2395 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2396 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2397 | if (!( self->write_buf = |
| 2398 | (char *)malloc(WRITE_BUF_SIZE * sizeof(char)))) { |
| 2399 | PyErr_NoMemory(); |
| 2400 | goto err; |
| 2401 | } |
| 2402 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2403 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2404 | if (PyEval_GetRestricted()) { |
| 2405 | /* Restricted execution, get private tables */ |
| 2406 | PyObject *m; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2407 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2408 | if (!( m=PyImport_Import(copy_reg_str))) goto err; |
| 2409 | self->dispatch_table=PyObject_GetAttr(m, dispatch_table_str); |
| 2410 | Py_DECREF(m); |
| 2411 | if (!( self->dispatch_table )) goto err; |
| 2412 | } |
| 2413 | else { |
| 2414 | self->dispatch_table=dispatch_table; |
| 2415 | Py_INCREF(dispatch_table); |
| 2416 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2417 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2418 | return self; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2419 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2420 | err: |
| 2421 | Py_DECREF((PyObject *)self); |
| 2422 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2423 | } |
| 2424 | |
| 2425 | |
| 2426 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2427 | get_Pickler(PyObject *self, PyObject *args) |
| 2428 | { |
| 2429 | PyObject *file = NULL; |
| 2430 | int bin = 1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2431 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2432 | if (!PyArg_ParseTuple(args, "|i:Pickler", &bin)) { |
| 2433 | PyErr_Clear(); |
| 2434 | bin = 0; |
| 2435 | if (!PyArg_ParseTuple(args, "O|i:Pickler", &file, &bin)) |
| 2436 | return NULL; |
| 2437 | } |
| 2438 | return (PyObject *)newPicklerobject(file, bin); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2439 | } |
| 2440 | |
| 2441 | |
| 2442 | static void |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2443 | Pickler_dealloc(Picklerobject *self) |
| 2444 | { |
| 2445 | Py_XDECREF(self->write); |
| 2446 | Py_XDECREF(self->memo); |
| 2447 | Py_XDECREF(self->fast_memo); |
| 2448 | Py_XDECREF(self->arg); |
| 2449 | Py_XDECREF(self->file); |
| 2450 | Py_XDECREF(self->pers_func); |
| 2451 | Py_XDECREF(self->inst_pers_func); |
| 2452 | Py_XDECREF(self->dispatch_table); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2453 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2454 | if (self->write_buf) { |
| 2455 | free(self->write_buf); |
| 2456 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2457 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2458 | PyObject_Del(self); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2459 | } |
| 2460 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2461 | static PyObject * |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2462 | Pickler_get_pers_func(Picklerobject *p) |
| 2463 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2464 | if (p->pers_func == NULL) |
| 2465 | PyErr_SetString(PyExc_AttributeError, "persistent_id"); |
| 2466 | else |
| 2467 | Py_INCREF(p->pers_func); |
| 2468 | return p->pers_func; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2469 | } |
| 2470 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2471 | static int |
| 2472 | Pickler_set_pers_func(Picklerobject *p, PyObject *v) |
| 2473 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2474 | if (v == NULL) { |
| 2475 | PyErr_SetString(PyExc_TypeError, |
| 2476 | "attribute deletion is not supported"); |
| 2477 | return -1; |
| 2478 | } |
| 2479 | Py_XDECREF(p->pers_func); |
| 2480 | Py_INCREF(v); |
| 2481 | p->pers_func = v; |
| 2482 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2483 | } |
| 2484 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2485 | static int |
| 2486 | Pickler_set_inst_pers_func(Picklerobject *p, PyObject *v) |
| 2487 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2488 | if (v == NULL) { |
| 2489 | PyErr_SetString(PyExc_TypeError, |
| 2490 | "attribute deletion is not supported"); |
| 2491 | return -1; |
| 2492 | } |
| 2493 | Py_XDECREF(p->inst_pers_func); |
| 2494 | Py_INCREF(v); |
| 2495 | p->inst_pers_func = v; |
| 2496 | return 0; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2497 | } |
| 2498 | |
| 2499 | static PyObject * |
| 2500 | Pickler_get_memo(Picklerobject *p) |
| 2501 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2502 | if (p->memo == NULL) |
| 2503 | PyErr_SetString(PyExc_AttributeError, "memo"); |
| 2504 | else |
| 2505 | Py_INCREF(p->memo); |
| 2506 | return p->memo; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2507 | } |
| 2508 | |
| 2509 | static int |
| 2510 | Pickler_set_memo(Picklerobject *p, PyObject *v) |
| 2511 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2512 | if (v == NULL) { |
| 2513 | PyErr_SetString(PyExc_TypeError, |
| 2514 | "attribute deletion is not supported"); |
| 2515 | return -1; |
| 2516 | } |
| 2517 | if (!PyDict_Check(v)) { |
| 2518 | PyErr_SetString(PyExc_TypeError, "memo must be a dictionary"); |
| 2519 | return -1; |
| 2520 | } |
| 2521 | Py_XDECREF(p->memo); |
| 2522 | Py_INCREF(v); |
| 2523 | p->memo = v; |
| 2524 | return 0; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2525 | } |
| 2526 | |
| 2527 | static PyObject * |
| 2528 | Pickler_get_error(Picklerobject *p) |
| 2529 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2530 | /* why is this an attribute on the Pickler? */ |
| 2531 | Py_INCREF(PicklingError); |
| 2532 | return PicklingError; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2533 | } |
| 2534 | |
| 2535 | static PyMemberDef Pickler_members[] = { |
| 2536 | {"binary", T_INT, offsetof(Picklerobject, bin)}, |
| 2537 | {"fast", T_INT, offsetof(Picklerobject, fast)}, |
Jeremy Hylton | 3eb46f3 | 2001-10-16 17:10:49 +0000 | [diff] [blame] | 2538 | {NULL} |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2539 | }; |
| 2540 | |
| 2541 | static PyGetSetDef Pickler_getsets[] = { |
| 2542 | {"persistent_id", (getter)Pickler_get_pers_func, |
| 2543 | (setter)Pickler_set_pers_func}, |
| 2544 | {"inst_persistent_id", NULL, (setter)Pickler_set_inst_pers_func}, |
| 2545 | {"memo", (getter)Pickler_get_memo, (setter)Pickler_set_memo}, |
Jeremy Hylton | 3eb46f3 | 2001-10-16 17:10:49 +0000 | [diff] [blame] | 2546 | {"PicklingError", (getter)Pickler_get_error, NULL}, |
| 2547 | {NULL} |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2548 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2549 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2550 | static char Picklertype__doc__[] = |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2551 | "Objects that know how to pickle objects\n"; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2552 | |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 2553 | static PyTypeObject Picklertype = { |
| 2554 | PyObject_HEAD_INIT(NULL) |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2555 | 0, /*ob_size*/ |
Guido van Rossum | 1464839 | 2001-12-08 18:02:58 +0000 | [diff] [blame] | 2556 | "cPickle.Pickler", /*tp_name*/ |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2557 | sizeof(Picklerobject), /*tp_basicsize*/ |
| 2558 | 0, |
| 2559 | (destructor)Pickler_dealloc, /* tp_dealloc */ |
| 2560 | 0, /* tp_print */ |
| 2561 | 0, /* tp_getattr */ |
| 2562 | 0, /* tp_setattr */ |
| 2563 | 0, /* tp_compare */ |
| 2564 | 0, /* tp_repr */ |
| 2565 | 0, /* tp_as_number */ |
| 2566 | 0, /* tp_as_sequence */ |
| 2567 | 0, /* tp_as_mapping */ |
| 2568 | 0, /* tp_hash */ |
| 2569 | 0, /* tp_call */ |
| 2570 | 0, /* tp_str */ |
Michael W. Hudson | 03f96bd | 2001-11-09 10:06:23 +0000 | [diff] [blame] | 2571 | 0, /* set below */ /* tp_getattro */ |
| 2572 | 0, /* set below */ /* tp_setattro */ |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2573 | 0, /* tp_as_buffer */ |
| 2574 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */ |
| 2575 | Picklertype__doc__, /* tp_doc */ |
| 2576 | 0, /* tp_traverse */ |
| 2577 | 0, /* tp_clear */ |
| 2578 | 0, /* tp_richcompare */ |
| 2579 | 0, /* tp_weaklistoffset */ |
| 2580 | 0, /* tp_iter */ |
| 2581 | 0, /* tp_iternext */ |
| 2582 | Pickler_methods, /* tp_methods */ |
| 2583 | Pickler_members, /* tp_members */ |
| 2584 | Pickler_getsets, /* tp_getset */ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 2585 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2586 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2587 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2588 | find_class(PyObject *py_module_name, PyObject *py_global_name, PyObject *fc) |
| 2589 | { |
| 2590 | PyObject *global = 0, *module; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2591 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2592 | if (fc) { |
| 2593 | if (fc==Py_None) { |
| 2594 | PyErr_SetString(UnpicklingError, |
| 2595 | "Global and instance pickles are not supported."); |
| 2596 | return NULL; |
| 2597 | } |
| 2598 | return PyObject_CallFunction(fc, "OO", py_module_name, |
| 2599 | py_global_name); |
| 2600 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 2601 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2602 | module = PySys_GetObject("modules"); |
| 2603 | if (module == NULL) |
| 2604 | return NULL; |
Jeremy Hylton | d105523 | 1998-08-11 19:52:51 +0000 | [diff] [blame] | 2605 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2606 | module = PyDict_GetItem(module, py_module_name); |
| 2607 | if (module == NULL) { |
| 2608 | module = PyImport_Import(py_module_name); |
| 2609 | if (!module) |
| 2610 | return NULL; |
| 2611 | global = PyObject_GetAttr(module, py_global_name); |
| 2612 | Py_DECREF(module); |
| 2613 | } |
| 2614 | else |
| 2615 | global = PyObject_GetAttr(module, py_global_name); |
| 2616 | return global; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2617 | } |
| 2618 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2619 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2620 | marker(Unpicklerobject *self) |
| 2621 | { |
| 2622 | if (self->num_marks < 1) { |
| 2623 | PyErr_SetString(UnpicklingError, "could not find MARK"); |
| 2624 | return -1; |
| 2625 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2626 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2627 | return self->marks[--self->num_marks]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2628 | } |
| 2629 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2630 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2631 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2632 | load_none(Unpicklerobject *self) |
| 2633 | { |
| 2634 | PDATA_APPEND(self->stack, Py_None, -1); |
| 2635 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2636 | } |
| 2637 | |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 2638 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2639 | bad_readline(void) |
| 2640 | { |
| 2641 | PyErr_SetString(UnpicklingError, "pickle data was truncated"); |
| 2642 | return -1; |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 2643 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2644 | |
| 2645 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2646 | load_int(Unpicklerobject *self) |
| 2647 | { |
| 2648 | PyObject *py_int = 0; |
| 2649 | char *endptr, *s; |
| 2650 | int len, res = -1; |
| 2651 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2652 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2653 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 2654 | if (len < 2) return bad_readline(); |
| 2655 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2656 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2657 | errno = 0; |
| 2658 | l = strtol(s, &endptr, 0); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2659 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2660 | if (errno || (*endptr != '\n') || (endptr[1] != '\0')) { |
| 2661 | /* Hm, maybe we've got something long. Let's try reading |
| 2662 | it as a Python long object. */ |
| 2663 | errno = 0; |
| 2664 | py_int = PyLong_FromString(s, NULL, 0); |
| 2665 | if (py_int == NULL) { |
| 2666 | PyErr_SetString(PyExc_ValueError, |
| 2667 | "could not convert string to int"); |
| 2668 | goto finally; |
| 2669 | } |
| 2670 | } |
| 2671 | else { |
| 2672 | if (!( py_int = PyInt_FromLong(l))) goto finally; |
| 2673 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2674 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2675 | free(s); |
| 2676 | PDATA_PUSH(self->stack, py_int, -1); |
| 2677 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2678 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2679 | finally: |
| 2680 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2681 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2682 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2683 | } |
| 2684 | |
| 2685 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2686 | static long |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2687 | calc_binint(char *s, int x) |
| 2688 | { |
| 2689 | unsigned char c; |
| 2690 | int i; |
| 2691 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2692 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2693 | for (i = 0, l = 0L; i < x; i++) { |
| 2694 | c = (unsigned char)s[i]; |
| 2695 | l |= (long)c << (i * 8); |
| 2696 | } |
Tim Peters | bfa18f7 | 2001-04-10 01:54:42 +0000 | [diff] [blame] | 2697 | #if SIZEOF_LONG > 4 |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2698 | /* Unlike BININT1 and BININT2, BININT (more accurately BININT4) |
| 2699 | * is signed, so on a box with longs bigger than 4 bytes we need |
| 2700 | * to extend a BININT's sign bit to the full width. |
| 2701 | */ |
| 2702 | if (x == 4 && l & (1L << 31)) |
| 2703 | l |= (~0L) << 32; |
Tim Peters | bfa18f7 | 2001-04-10 01:54:42 +0000 | [diff] [blame] | 2704 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2705 | return l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2706 | } |
| 2707 | |
| 2708 | |
| 2709 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2710 | load_binintx(Unpicklerobject *self, char *s, int x) |
| 2711 | { |
| 2712 | PyObject *py_int = 0; |
| 2713 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2714 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2715 | l = calc_binint(s, x); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2716 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2717 | if (!( py_int = PyInt_FromLong(l))) |
| 2718 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2719 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2720 | PDATA_PUSH(self->stack, py_int, -1); |
| 2721 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2722 | } |
| 2723 | |
| 2724 | |
| 2725 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2726 | load_binint(Unpicklerobject *self) |
| 2727 | { |
| 2728 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2729 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2730 | if ((*self->read_func)(self, &s, 4) < 0) |
| 2731 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2732 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2733 | return load_binintx(self, s, 4); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2734 | } |
| 2735 | |
| 2736 | |
| 2737 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2738 | load_binint1(Unpicklerobject *self) |
| 2739 | { |
| 2740 | char *s; |
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 | if ((*self->read_func)(self, &s, 1) < 0) |
| 2743 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2744 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2745 | return load_binintx(self, s, 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2746 | } |
| 2747 | |
| 2748 | |
| 2749 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2750 | load_binint2(Unpicklerobject *self) |
| 2751 | { |
| 2752 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2753 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2754 | if ((*self->read_func)(self, &s, 2) < 0) |
| 2755 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2756 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2757 | return load_binintx(self, s, 2); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2758 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2759 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2760 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2761 | load_long(Unpicklerobject *self) |
| 2762 | { |
| 2763 | PyObject *l = 0; |
| 2764 | char *end, *s; |
| 2765 | int len, res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2766 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2767 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 2768 | if (len < 2) return bad_readline(); |
| 2769 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2770 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2771 | if (!( l = PyLong_FromString(s, &end, 0))) |
| 2772 | goto finally; |
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 | free(s); |
| 2775 | PDATA_PUSH(self->stack, l, -1); |
| 2776 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2777 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2778 | finally: |
| 2779 | free(s); |
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 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2782 | } |
| 2783 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2784 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2785 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2786 | load_float(Unpicklerobject *self) |
| 2787 | { |
| 2788 | PyObject *py_float = 0; |
| 2789 | char *endptr, *s; |
| 2790 | int len, res = -1; |
| 2791 | double d; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2792 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2793 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 2794 | if (len < 2) return bad_readline(); |
| 2795 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2796 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2797 | errno = 0; |
| 2798 | d = strtod(s, &endptr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2799 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2800 | if (errno || (endptr[0] != '\n') || (endptr[1] != '\0')) { |
| 2801 | PyErr_SetString(PyExc_ValueError, |
| 2802 | "could not convert string to float"); |
| 2803 | goto finally; |
| 2804 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2805 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2806 | if (!( py_float = PyFloat_FromDouble(d))) |
| 2807 | goto finally; |
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 | free(s); |
| 2810 | PDATA_PUSH(self->stack, py_float, -1); |
| 2811 | return 0; |
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 | finally: |
| 2814 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2815 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2816 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2817 | } |
| 2818 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2819 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2820 | load_binfloat(Unpicklerobject *self) |
| 2821 | { |
| 2822 | PyObject *py_float = 0; |
| 2823 | int s, e; |
| 2824 | long fhi, flo; |
| 2825 | double x; |
| 2826 | char *p; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2827 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2828 | if ((*self->read_func)(self, &p, 8) < 0) |
| 2829 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2830 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2831 | /* First byte */ |
| 2832 | s = (*p>>7) & 1; |
| 2833 | e = (*p & 0x7F) << 4; |
| 2834 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2835 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2836 | /* Second byte */ |
| 2837 | e |= (*p>>4) & 0xF; |
| 2838 | fhi = (*p & 0xF) << 24; |
| 2839 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2840 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2841 | /* Third byte */ |
| 2842 | fhi |= (*p & 0xFF) << 16; |
| 2843 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2844 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2845 | /* Fourth byte */ |
| 2846 | fhi |= (*p & 0xFF) << 8; |
| 2847 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2848 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2849 | /* Fifth byte */ |
| 2850 | fhi |= *p & 0xFF; |
| 2851 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2852 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2853 | /* Sixth byte */ |
| 2854 | flo = (*p & 0xFF) << 16; |
| 2855 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2856 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2857 | /* Seventh byte */ |
| 2858 | flo |= (*p & 0xFF) << 8; |
| 2859 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2860 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2861 | /* Eighth byte */ |
| 2862 | flo |= *p & 0xFF; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2863 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2864 | x = (double)fhi + (double)flo / 16777216.0; /* 2**24 */ |
| 2865 | x /= 268435456.0; /* 2**28 */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2866 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2867 | /* XXX This sadly ignores Inf/NaN */ |
| 2868 | if (e == 0) |
| 2869 | e = -1022; |
| 2870 | else { |
| 2871 | x += 1.0; |
| 2872 | e -= 1023; |
| 2873 | } |
| 2874 | x = ldexp(x, e); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2875 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2876 | if (s) |
| 2877 | x = -x; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2878 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2879 | if (!( py_float = PyFloat_FromDouble(x))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2880 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2881 | PDATA_PUSH(self->stack, py_float, -1); |
| 2882 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2883 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2884 | |
| 2885 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2886 | load_string(Unpicklerobject *self) |
| 2887 | { |
| 2888 | PyObject *str = 0; |
| 2889 | int len, res = -1, nslash; |
| 2890 | char *s, q, *p; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2891 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2892 | static PyObject *eval_dict = 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 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 2895 | if (len < 2) return bad_readline(); |
| 2896 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2897 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2898 | /* Check for unquoted quotes (evil strings) */ |
| 2899 | q=*s; |
| 2900 | if (q != '"' && q != '\'') goto insecure; |
| 2901 | for (p=s+1, nslash=0; *p; p++) { |
| 2902 | if (*p==q && nslash%2==0) break; |
| 2903 | if (*p=='\\') nslash++; |
| 2904 | else nslash=0; |
| 2905 | } |
| 2906 | if (*p == q) { |
| 2907 | for (p++; *p; p++) |
| 2908 | if (*(unsigned char *)p > ' ') |
| 2909 | goto insecure; |
| 2910 | } |
| 2911 | else |
| 2912 | goto insecure; |
| 2913 | /********************************************/ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 2914 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2915 | if (!( eval_dict )) |
| 2916 | if (!( eval_dict = Py_BuildValue("{s{}}", "__builtins__"))) |
| 2917 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2918 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2919 | if (!( str = PyRun_String(s, Py_eval_input, eval_dict, eval_dict))) |
| 2920 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2921 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2922 | free(s); |
| 2923 | PDATA_PUSH(self->stack, str, -1); |
| 2924 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2925 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2926 | finally: |
| 2927 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2928 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2929 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2930 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2931 | insecure: |
| 2932 | free(s); |
| 2933 | PyErr_SetString(PyExc_ValueError,"insecure string pickle"); |
| 2934 | return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2935 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2936 | |
| 2937 | |
| 2938 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2939 | load_binstring(Unpicklerobject *self) |
| 2940 | { |
| 2941 | PyObject *py_string = 0; |
| 2942 | long l; |
| 2943 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2944 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2945 | if ((*self->read_func)(self, &s, 4) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2946 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2947 | l = calc_binint(s, 4); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2948 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2949 | if ((*self->read_func)(self, &s, l) < 0) |
| 2950 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2951 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2952 | if (!( py_string = PyString_FromStringAndSize(s, l))) |
| 2953 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2954 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2955 | PDATA_PUSH(self->stack, py_string, -1); |
| 2956 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2957 | } |
| 2958 | |
| 2959 | |
| 2960 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2961 | load_short_binstring(Unpicklerobject *self) |
| 2962 | { |
| 2963 | PyObject *py_string = 0; |
| 2964 | unsigned char l; |
| 2965 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2966 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2967 | if ((*self->read_func)(self, &s, 1) < 0) |
| 2968 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2969 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2970 | l = (unsigned char)s[0]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2971 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2972 | if ((*self->read_func)(self, &s, l) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2973 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2974 | if (!( py_string = PyString_FromStringAndSize(s, l))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2975 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2976 | PDATA_PUSH(self->stack, py_string, -1); |
| 2977 | return 0; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2978 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2979 | |
| 2980 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2981 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2982 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2983 | load_unicode(Unpicklerobject *self) |
| 2984 | { |
| 2985 | PyObject *str = 0; |
| 2986 | int len, res = -1; |
| 2987 | char *s; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2988 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2989 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 2990 | if (len < 1) return bad_readline(); |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2991 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2992 | if (!( str = PyUnicode_DecodeRawUnicodeEscape(s, len - 1, NULL))) |
| 2993 | goto finally; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2994 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2995 | PDATA_PUSH(self->stack, str, -1); |
| 2996 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2997 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 2998 | finally: |
| 2999 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3000 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3001 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3002 | |
| 3003 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3004 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3005 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3006 | load_binunicode(Unpicklerobject *self) |
| 3007 | { |
| 3008 | PyObject *unicode; |
| 3009 | long l; |
| 3010 | char *s; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3011 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3012 | if ((*self->read_func)(self, &s, 4) < 0) return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3013 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3014 | l = calc_binint(s, 4); |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3015 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3016 | if ((*self->read_func)(self, &s, l) < 0) |
| 3017 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3018 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3019 | if (!( unicode = PyUnicode_DecodeUTF8(s, l, NULL))) |
| 3020 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3021 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3022 | PDATA_PUSH(self->stack, unicode, -1); |
| 3023 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3024 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3025 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3026 | |
| 3027 | |
| 3028 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3029 | load_tuple(Unpicklerobject *self) |
| 3030 | { |
| 3031 | PyObject *tup; |
| 3032 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3033 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3034 | if ((i = marker(self)) < 0) return -1; |
| 3035 | if (!( tup=Pdata_popTuple(self->stack, i))) return -1; |
| 3036 | PDATA_PUSH(self->stack, tup, -1); |
| 3037 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3038 | } |
| 3039 | |
| 3040 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3041 | load_empty_tuple(Unpicklerobject *self) |
| 3042 | { |
| 3043 | PyObject *tup; |
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 (!( tup=PyTuple_New(0))) return -1; |
| 3046 | PDATA_PUSH(self->stack, tup, -1); |
| 3047 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3048 | } |
| 3049 | |
| 3050 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3051 | load_empty_list(Unpicklerobject *self) |
| 3052 | { |
| 3053 | PyObject *list; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3054 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3055 | if (!( list=PyList_New(0))) return -1; |
| 3056 | PDATA_PUSH(self->stack, list, -1); |
| 3057 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3058 | } |
| 3059 | |
| 3060 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3061 | load_empty_dict(Unpicklerobject *self) |
| 3062 | { |
| 3063 | PyObject *dict; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3064 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3065 | if (!( dict=PyDict_New())) return -1; |
| 3066 | PDATA_PUSH(self->stack, dict, -1); |
| 3067 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3068 | } |
| 3069 | |
| 3070 | |
| 3071 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3072 | load_list(Unpicklerobject *self) |
| 3073 | { |
| 3074 | PyObject *list = 0; |
| 3075 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3076 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3077 | if ((i = marker(self)) < 0) return -1; |
| 3078 | if (!( list=Pdata_popList(self->stack, i))) return -1; |
| 3079 | PDATA_PUSH(self->stack, list, -1); |
| 3080 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3081 | } |
| 3082 | |
| 3083 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3084 | load_dict(Unpicklerobject *self) |
| 3085 | { |
| 3086 | PyObject *dict, *key, *value; |
| 3087 | int i, j, k; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3088 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3089 | if ((i = marker(self)) < 0) return -1; |
| 3090 | j=self->stack->length; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3091 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3092 | if (!( dict = PyDict_New())) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3093 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3094 | for (k = i+1; k < j; k += 2) { |
| 3095 | key =self->stack->data[k-1]; |
| 3096 | value=self->stack->data[k ]; |
| 3097 | if (PyDict_SetItem(dict, key, value) < 0) { |
| 3098 | Py_DECREF(dict); |
| 3099 | return -1; |
| 3100 | } |
| 3101 | } |
| 3102 | Pdata_clear(self->stack, i); |
| 3103 | PDATA_PUSH(self->stack, dict, -1); |
| 3104 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3105 | } |
| 3106 | |
| 3107 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3108 | Instance_New(PyObject *cls, PyObject *args) |
| 3109 | { |
| 3110 | int has_key; |
| 3111 | PyObject *safe=0, *r=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3112 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3113 | if (PyClass_Check(cls)) { |
| 3114 | int l; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3115 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3116 | if ((l=PyObject_Size(args)) < 0) goto err; |
| 3117 | if (!( l )) { |
| 3118 | PyObject *__getinitargs__; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3119 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3120 | __getinitargs__ = PyObject_GetAttr(cls, |
| 3121 | __getinitargs___str); |
| 3122 | if (!__getinitargs__) { |
| 3123 | /* We have a class with no __getinitargs__, |
| 3124 | so bypass usual construction */ |
| 3125 | PyObject *inst; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3126 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3127 | PyErr_Clear(); |
| 3128 | if (!( inst=PyInstance_NewRaw(cls, NULL))) |
| 3129 | goto err; |
| 3130 | return inst; |
| 3131 | } |
| 3132 | Py_DECREF(__getinitargs__); |
| 3133 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3134 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3135 | if ((r=PyInstance_New(cls, args, NULL))) return r; |
| 3136 | else goto err; |
| 3137 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3138 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3139 | /* Is safe_constructors always a dict? */ |
| 3140 | has_key = cPickle_PyMapping_HasKey(safe_constructors, cls); |
| 3141 | if (!has_key) { |
| 3142 | safe = PyObject_GetAttr(cls, __safe_for_unpickling___str); |
| 3143 | if (!safe || |
| 3144 | !PyObject_IsTrue(safe)) { |
| 3145 | cPickle_ErrFormat(UnpicklingError, |
| 3146 | "%s is not safe for unpickling", |
| 3147 | "O", cls); |
| 3148 | Py_XDECREF(safe); |
| 3149 | return NULL; |
| 3150 | } |
| 3151 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 3152 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3153 | if (args==Py_None) { |
| 3154 | /* Special case, call cls.__basicnew__() */ |
| 3155 | PyObject *basicnew; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3156 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3157 | basicnew = PyObject_GetAttr(cls, __basicnew___str); |
| 3158 | if (!basicnew) return NULL; |
| 3159 | r=PyObject_CallObject(basicnew, NULL); |
| 3160 | Py_DECREF(basicnew); |
| 3161 | if (r) return r; |
| 3162 | } |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 3163 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3164 | if ((r=PyObject_CallObject(cls, args))) return r; |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 3165 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3166 | err: |
| 3167 | { |
| 3168 | PyObject *tp, *v, *tb; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3169 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3170 | PyErr_Fetch(&tp, &v, &tb); |
| 3171 | if ((r=Py_BuildValue("OOO",v,cls,args))) { |
| 3172 | Py_XDECREF(v); |
| 3173 | v=r; |
| 3174 | } |
| 3175 | PyErr_Restore(tp,v,tb); |
| 3176 | } |
| 3177 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3178 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3179 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3180 | |
| 3181 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3182 | load_obj(Unpicklerobject *self) |
| 3183 | { |
| 3184 | PyObject *class, *tup, *obj=0; |
| 3185 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3186 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3187 | if ((i = marker(self)) < 0) return -1; |
| 3188 | if (!( tup=Pdata_popTuple(self->stack, i+1))) return -1; |
| 3189 | PDATA_POP(self->stack, class); |
| 3190 | if (class) { |
| 3191 | obj = Instance_New(class, tup); |
| 3192 | Py_DECREF(class); |
| 3193 | } |
| 3194 | Py_DECREF(tup); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3195 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3196 | if (! obj) return -1; |
| 3197 | PDATA_PUSH(self->stack, obj, -1); |
| 3198 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3199 | } |
| 3200 | |
| 3201 | |
| 3202 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3203 | load_inst(Unpicklerobject *self) |
| 3204 | { |
| 3205 | PyObject *tup, *class=0, *obj=0, *module_name, *class_name; |
| 3206 | int i, len; |
| 3207 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3208 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3209 | if ((i = marker(self)) < 0) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3210 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3211 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 3212 | if (len < 2) return bad_readline(); |
| 3213 | module_name = PyString_FromStringAndSize(s, len - 1); |
| 3214 | if (!module_name) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +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) { |
| 3217 | if (len < 2) return bad_readline(); |
| 3218 | if ((class_name = PyString_FromStringAndSize(s, len - 1))) { |
| 3219 | class = find_class(module_name, class_name, |
| 3220 | self->find_class); |
| 3221 | Py_DECREF(class_name); |
| 3222 | } |
| 3223 | } |
| 3224 | Py_DECREF(module_name); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3225 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3226 | if (! class) return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3227 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3228 | if ((tup=Pdata_popTuple(self->stack, i))) { |
| 3229 | obj = Instance_New(class, tup); |
| 3230 | Py_DECREF(tup); |
| 3231 | } |
| 3232 | Py_DECREF(class); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3233 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3234 | if (! obj) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3235 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3236 | PDATA_PUSH(self->stack, obj, -1); |
| 3237 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3238 | } |
| 3239 | |
| 3240 | |
| 3241 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3242 | load_global(Unpicklerobject *self) |
| 3243 | { |
| 3244 | PyObject *class = 0, *module_name = 0, *class_name = 0; |
| 3245 | int len; |
| 3246 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3247 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3248 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 3249 | if (len < 2) return bad_readline(); |
| 3250 | module_name = PyString_FromStringAndSize(s, len - 1); |
| 3251 | if (!module_name) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3252 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3253 | if ((len = (*self->readline_func)(self, &s)) >= 0) { |
| 3254 | if (len < 2) return bad_readline(); |
| 3255 | if ((class_name = PyString_FromStringAndSize(s, len - 1))) { |
| 3256 | class = find_class(module_name, class_name, |
| 3257 | self->find_class); |
| 3258 | Py_DECREF(class_name); |
| 3259 | } |
| 3260 | } |
| 3261 | Py_DECREF(module_name); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3262 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3263 | if (! class) return -1; |
| 3264 | PDATA_PUSH(self->stack, class, -1); |
| 3265 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3266 | } |
| 3267 | |
| 3268 | |
| 3269 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3270 | load_persid(Unpicklerobject *self) |
| 3271 | { |
| 3272 | PyObject *pid = 0; |
| 3273 | int len; |
| 3274 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3275 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3276 | if (self->pers_func) { |
| 3277 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 3278 | if (len < 2) return bad_readline(); |
| 3279 | |
| 3280 | pid = PyString_FromStringAndSize(s, len - 1); |
| 3281 | if (!pid) return -1; |
| 3282 | |
| 3283 | if (PyList_Check(self->pers_func)) { |
| 3284 | if (PyList_Append(self->pers_func, pid) < 0) { |
| 3285 | Py_DECREF(pid); |
| 3286 | return -1; |
| 3287 | } |
| 3288 | } |
| 3289 | else { |
| 3290 | ARG_TUP(self, pid); |
| 3291 | if (self->arg) { |
| 3292 | pid = PyObject_Call(self->pers_func, self->arg, |
| 3293 | NULL); |
| 3294 | FREE_ARG_TUP(self); |
| 3295 | } |
| 3296 | } |
| 3297 | |
| 3298 | if (! pid) return -1; |
| 3299 | |
| 3300 | PDATA_PUSH(self->stack, pid, -1); |
| 3301 | return 0; |
| 3302 | } |
| 3303 | else { |
| 3304 | PyErr_SetString(UnpicklingError, |
| 3305 | "A load persistent id instruction was encountered,\n" |
| 3306 | "but no persistent_load function was specified."); |
| 3307 | return -1; |
| 3308 | } |
| 3309 | } |
| 3310 | |
| 3311 | static int |
| 3312 | load_binpersid(Unpicklerobject *self) |
| 3313 | { |
| 3314 | PyObject *pid = 0; |
| 3315 | |
| 3316 | if (self->pers_func) { |
| 3317 | PDATA_POP(self->stack, pid); |
| 3318 | if (! pid) return -1; |
| 3319 | |
| 3320 | if (PyList_Check(self->pers_func)) { |
| 3321 | if (PyList_Append(self->pers_func, pid) < 0) { |
| 3322 | Py_DECREF(pid); |
| 3323 | return -1; |
| 3324 | } |
| 3325 | } |
| 3326 | else { |
| 3327 | ARG_TUP(self, pid); |
| 3328 | if (self->arg) { |
| 3329 | pid = PyObject_Call(self->pers_func, self->arg, |
| 3330 | NULL); |
| 3331 | FREE_ARG_TUP(self); |
| 3332 | } |
| 3333 | if (! pid) return -1; |
| 3334 | } |
| 3335 | |
| 3336 | PDATA_PUSH(self->stack, pid, -1); |
| 3337 | return 0; |
| 3338 | } |
| 3339 | else { |
| 3340 | PyErr_SetString(UnpicklingError, |
| 3341 | "A load persistent id instruction was encountered,\n" |
| 3342 | "but no persistent_load function was specified."); |
| 3343 | return -1; |
| 3344 | } |
| 3345 | } |
| 3346 | |
| 3347 | |
| 3348 | static int |
| 3349 | load_pop(Unpicklerobject *self) |
| 3350 | { |
| 3351 | int len; |
| 3352 | |
| 3353 | if (!( (len=self->stack->length) > 0 )) return stackUnderflow(); |
| 3354 | |
| 3355 | /* Note that we split the (pickle.py) stack into two stacks, |
| 3356 | an object stack and a mark stack. We have to be clever and |
| 3357 | pop the right one. We do this by looking at the top of the |
| 3358 | mark stack. |
| 3359 | */ |
| 3360 | |
| 3361 | if ((self->num_marks > 0) && |
| 3362 | (self->marks[self->num_marks - 1] == len)) |
| 3363 | self->num_marks--; |
| 3364 | else { |
| 3365 | len--; |
| 3366 | Py_DECREF(self->stack->data[len]); |
| 3367 | self->stack->length=len; |
| 3368 | } |
| 3369 | |
| 3370 | return 0; |
| 3371 | } |
| 3372 | |
| 3373 | |
| 3374 | static int |
| 3375 | load_pop_mark(Unpicklerobject *self) |
| 3376 | { |
| 3377 | int i; |
| 3378 | |
| 3379 | if ((i = marker(self)) < 0) |
| 3380 | return -1; |
| 3381 | |
| 3382 | Pdata_clear(self->stack, i); |
| 3383 | |
| 3384 | return 0; |
| 3385 | } |
| 3386 | |
| 3387 | |
| 3388 | static int |
| 3389 | load_dup(Unpicklerobject *self) |
| 3390 | { |
| 3391 | PyObject *last; |
| 3392 | int len; |
| 3393 | |
| 3394 | if ((len = self->stack->length) <= 0) return stackUnderflow(); |
| 3395 | last=self->stack->data[len-1]; |
| 3396 | Py_INCREF(last); |
| 3397 | PDATA_PUSH(self->stack, last, -1); |
| 3398 | return 0; |
| 3399 | } |
| 3400 | |
| 3401 | |
| 3402 | static int |
| 3403 | load_get(Unpicklerobject *self) |
| 3404 | { |
| 3405 | PyObject *py_str = 0, *value = 0; |
| 3406 | int len; |
| 3407 | char *s; |
| 3408 | int rc; |
| 3409 | |
| 3410 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 3411 | if (len < 2) return bad_readline(); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3412 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3413 | if (!( py_str = PyString_FromStringAndSize(s, len - 1))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3414 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3415 | value = PyDict_GetItem(self->memo, py_str); |
| 3416 | if (! value) { |
| 3417 | PyErr_SetObject(BadPickleGet, py_str); |
| 3418 | rc = -1; |
| 3419 | } else { |
| 3420 | PDATA_APPEND(self->stack, value, -1); |
| 3421 | rc = 0; |
| 3422 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3423 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3424 | Py_DECREF(py_str); |
| 3425 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3426 | } |
| 3427 | |
| 3428 | |
| 3429 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3430 | load_binget(Unpicklerobject *self) |
| 3431 | { |
| 3432 | PyObject *py_key = 0, *value = 0; |
| 3433 | unsigned char key; |
| 3434 | char *s; |
| 3435 | int rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3436 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3437 | if ((*self->read_func)(self, &s, 1) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3438 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3439 | key = (unsigned char)s[0]; |
| 3440 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
Guido van Rossum | ea2b715 | 2000-05-09 18:14:50 +0000 | [diff] [blame] | 3441 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3442 | value = PyDict_GetItem(self->memo, py_key); |
| 3443 | if (! value) { |
| 3444 | PyErr_SetObject(BadPickleGet, py_key); |
| 3445 | rc = -1; |
| 3446 | } else { |
| 3447 | PDATA_APPEND(self->stack, value, -1); |
| 3448 | rc = 0; |
| 3449 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3450 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3451 | Py_DECREF(py_key); |
| 3452 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3453 | } |
| 3454 | |
| 3455 | |
| 3456 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3457 | load_long_binget(Unpicklerobject *self) |
| 3458 | { |
| 3459 | PyObject *py_key = 0, *value = 0; |
| 3460 | unsigned char c; |
| 3461 | char *s; |
| 3462 | long key; |
| 3463 | int rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3464 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3465 | if ((*self->read_func)(self, &s, 4) < 0) return -1; |
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 | c = (unsigned char)s[0]; |
| 3468 | key = (long)c; |
| 3469 | c = (unsigned char)s[1]; |
| 3470 | key |= (long)c << 8; |
| 3471 | c = (unsigned char)s[2]; |
| 3472 | key |= (long)c << 16; |
| 3473 | c = (unsigned char)s[3]; |
| 3474 | key |= (long)c << 24; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3475 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3476 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
| 3477 | |
| 3478 | value = PyDict_GetItem(self->memo, py_key); |
| 3479 | if (! value) { |
| 3480 | PyErr_SetObject(BadPickleGet, py_key); |
| 3481 | rc = -1; |
| 3482 | } else { |
| 3483 | PDATA_APPEND(self->stack, value, -1); |
| 3484 | rc = 0; |
| 3485 | } |
| 3486 | |
| 3487 | Py_DECREF(py_key); |
| 3488 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3489 | } |
| 3490 | |
| 3491 | |
| 3492 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3493 | load_put(Unpicklerobject *self) |
| 3494 | { |
| 3495 | PyObject *py_str = 0, *value = 0; |
| 3496 | int len, l; |
| 3497 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3498 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3499 | if ((l = (*self->readline_func)(self, &s)) < 0) return -1; |
| 3500 | if (l < 2) return bad_readline(); |
| 3501 | if (!( len=self->stack->length )) return stackUnderflow(); |
| 3502 | if (!( py_str = PyString_FromStringAndSize(s, l - 1))) return -1; |
| 3503 | value=self->stack->data[len-1]; |
| 3504 | l=PyDict_SetItem(self->memo, py_str, value); |
| 3505 | Py_DECREF(py_str); |
| 3506 | return l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3507 | } |
| 3508 | |
| 3509 | |
| 3510 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3511 | load_binput(Unpicklerobject *self) |
| 3512 | { |
| 3513 | PyObject *py_key = 0, *value = 0; |
| 3514 | unsigned char key; |
| 3515 | char *s; |
| 3516 | int len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3517 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3518 | if ((*self->read_func)(self, &s, 1) < 0) return -1; |
| 3519 | if (!( (len=self->stack->length) > 0 )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3520 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3521 | key = (unsigned char)s[0]; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 3522 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3523 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
| 3524 | value=self->stack->data[len-1]; |
| 3525 | len=PyDict_SetItem(self->memo, py_key, value); |
| 3526 | Py_DECREF(py_key); |
| 3527 | return len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3528 | } |
| 3529 | |
| 3530 | |
| 3531 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3532 | load_long_binput(Unpicklerobject *self) |
| 3533 | { |
| 3534 | PyObject *py_key = 0, *value = 0; |
| 3535 | long key; |
| 3536 | unsigned char c; |
| 3537 | char *s; |
| 3538 | int len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3539 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3540 | if ((*self->read_func)(self, &s, 4) < 0) return -1; |
| 3541 | if (!( len=self->stack->length )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3542 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3543 | c = (unsigned char)s[0]; |
| 3544 | key = (long)c; |
| 3545 | c = (unsigned char)s[1]; |
| 3546 | key |= (long)c << 8; |
| 3547 | c = (unsigned char)s[2]; |
| 3548 | key |= (long)c << 16; |
| 3549 | c = (unsigned char)s[3]; |
| 3550 | key |= (long)c << 24; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3551 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3552 | if (!( py_key = PyInt_FromLong(key))) return -1; |
| 3553 | value=self->stack->data[len-1]; |
| 3554 | len=PyDict_SetItem(self->memo, py_key, value); |
| 3555 | Py_DECREF(py_key); |
| 3556 | return len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3557 | } |
| 3558 | |
| 3559 | |
| 3560 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3561 | do_append(Unpicklerobject *self, int x) |
| 3562 | { |
| 3563 | PyObject *value = 0, *list = 0, *append_method = 0; |
| 3564 | int len, i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3565 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3566 | len=self->stack->length; |
| 3567 | if (!( len >= x && x > 0 )) return stackUnderflow(); |
| 3568 | /* nothing to do */ |
| 3569 | if (len==x) return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3570 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3571 | list=self->stack->data[x-1]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3572 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3573 | if (PyList_Check(list)) { |
| 3574 | PyObject *slice; |
| 3575 | int list_len; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3576 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3577 | slice=Pdata_popList(self->stack, x); |
| 3578 | list_len = PyList_GET_SIZE(list); |
| 3579 | i=PyList_SetSlice(list, list_len, list_len, slice); |
| 3580 | Py_DECREF(slice); |
| 3581 | return i; |
| 3582 | } |
| 3583 | else { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3584 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3585 | if (!( append_method = PyObject_GetAttr(list, append_str))) |
| 3586 | return -1; |
| 3587 | |
| 3588 | for (i = x; i < len; i++) { |
| 3589 | PyObject *junk; |
| 3590 | |
| 3591 | value=self->stack->data[i]; |
| 3592 | junk=0; |
| 3593 | ARG_TUP(self, value); |
| 3594 | if (self->arg) { |
| 3595 | junk = PyObject_Call(append_method, self->arg, |
| 3596 | NULL); |
| 3597 | FREE_ARG_TUP(self); |
| 3598 | } |
| 3599 | if (! junk) { |
| 3600 | Pdata_clear(self->stack, i+1); |
| 3601 | self->stack->length=x; |
| 3602 | Py_DECREF(append_method); |
| 3603 | return -1; |
| 3604 | } |
| 3605 | Py_DECREF(junk); |
| 3606 | } |
| 3607 | self->stack->length=x; |
| 3608 | Py_DECREF(append_method); |
| 3609 | } |
| 3610 | |
| 3611 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3612 | } |
| 3613 | |
| 3614 | |
| 3615 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3616 | load_append(Unpicklerobject *self) |
| 3617 | { |
| 3618 | return do_append(self, self->stack->length - 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3619 | } |
| 3620 | |
| 3621 | |
| 3622 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3623 | load_appends(Unpicklerobject *self) |
| 3624 | { |
| 3625 | return do_append(self, marker(self)); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3626 | } |
| 3627 | |
| 3628 | |
| 3629 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3630 | do_setitems(Unpicklerobject *self, int x) |
| 3631 | { |
| 3632 | PyObject *value = 0, *key = 0, *dict = 0; |
| 3633 | int len, i, r=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3634 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3635 | if (!( (len=self->stack->length) >= x |
| 3636 | && x > 0 )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3637 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3638 | dict=self->stack->data[x-1]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3639 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3640 | for (i = x+1; i < len; i += 2) { |
| 3641 | key =self->stack->data[i-1]; |
| 3642 | value=self->stack->data[i ]; |
| 3643 | if (PyObject_SetItem(dict, key, value) < 0) { |
| 3644 | r=-1; |
| 3645 | break; |
| 3646 | } |
| 3647 | } |
| 3648 | |
| 3649 | Pdata_clear(self->stack, x); |
| 3650 | |
| 3651 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3652 | } |
| 3653 | |
| 3654 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3655 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3656 | load_setitem(Unpicklerobject *self) |
| 3657 | { |
| 3658 | return do_setitems(self, self->stack->length - 2); |
| 3659 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3660 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3661 | static int |
| 3662 | load_setitems(Unpicklerobject *self) |
| 3663 | { |
| 3664 | return do_setitems(self, marker(self)); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3665 | } |
| 3666 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3667 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3668 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3669 | load_build(Unpicklerobject *self) |
| 3670 | { |
| 3671 | PyObject *value = 0, *inst = 0, *instdict = 0, *d_key = 0, *d_value = 0, |
| 3672 | *junk = 0, *__setstate__ = 0; |
| 3673 | int i, r = 0; |
| 3674 | |
| 3675 | if (self->stack->length < 2) return stackUnderflow(); |
| 3676 | PDATA_POP(self->stack, value); |
| 3677 | if (! value) return -1; |
| 3678 | inst=self->stack->data[self->stack->length-1]; |
| 3679 | |
| 3680 | if ((__setstate__ = PyObject_GetAttr(inst, __setstate___str))) { |
| 3681 | ARG_TUP(self, value); |
| 3682 | if (self->arg) { |
| 3683 | junk = PyObject_Call(__setstate__, self->arg, NULL); |
| 3684 | FREE_ARG_TUP(self); |
| 3685 | } |
| 3686 | Py_DECREF(__setstate__); |
| 3687 | if (! junk) return -1; |
| 3688 | Py_DECREF(junk); |
| 3689 | return 0; |
| 3690 | } |
| 3691 | |
| 3692 | PyErr_Clear(); |
| 3693 | if ((instdict = PyObject_GetAttr(inst, __dict___str))) { |
| 3694 | i = 0; |
| 3695 | while (PyDict_Next(value, &i, &d_key, &d_value)) { |
| 3696 | if (PyObject_SetItem(instdict, d_key, d_value) < 0) { |
| 3697 | r=-1; |
| 3698 | break; |
| 3699 | } |
| 3700 | } |
| 3701 | Py_DECREF(instdict); |
| 3702 | } |
| 3703 | else r=-1; |
| 3704 | |
| 3705 | Py_XDECREF(value); |
| 3706 | |
| 3707 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3708 | } |
| 3709 | |
| 3710 | |
| 3711 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3712 | load_mark(Unpicklerobject *self) |
| 3713 | { |
| 3714 | int s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3715 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3716 | /* Note that we split the (pickle.py) stack into two stacks, an |
| 3717 | object stack and a mark stack. Here we push a mark onto the |
| 3718 | mark stack. |
| 3719 | */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3720 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3721 | if ((self->num_marks + 1) >= self->marks_size) { |
| 3722 | s=self->marks_size+20; |
| 3723 | if (s <= self->num_marks) s=self->num_marks + 1; |
| 3724 | if (self->marks == NULL) |
| 3725 | self->marks=(int *)malloc(s * sizeof(int)); |
| 3726 | else |
| 3727 | self->marks=(int *)realloc(self->marks, |
| 3728 | s * sizeof(int)); |
| 3729 | if (! self->marks) { |
| 3730 | PyErr_NoMemory(); |
| 3731 | return -1; |
| 3732 | } |
| 3733 | self->marks_size = s; |
| 3734 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3735 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3736 | self->marks[self->num_marks++] = self->stack->length; |
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 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3739 | } |
| 3740 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3741 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3742 | load_reduce(Unpicklerobject *self) |
| 3743 | { |
| 3744 | PyObject *callable = 0, *arg_tup = 0, *ob = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3745 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3746 | PDATA_POP(self->stack, arg_tup); |
| 3747 | if (! arg_tup) return -1; |
| 3748 | PDATA_POP(self->stack, callable); |
| 3749 | if (callable) { |
| 3750 | ob = Instance_New(callable, arg_tup); |
| 3751 | Py_DECREF(callable); |
| 3752 | } |
| 3753 | Py_DECREF(arg_tup); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3754 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3755 | if (! ob) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3756 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3757 | PDATA_PUSH(self->stack, ob, -1); |
| 3758 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3759 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3760 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3761 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3762 | load(Unpicklerobject *self) |
| 3763 | { |
| 3764 | PyObject *err = 0, *val = 0; |
| 3765 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3766 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3767 | self->num_marks = 0; |
| 3768 | if (self->stack->length) Pdata_clear(self->stack, 0); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3769 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3770 | while (1) { |
| 3771 | if ((*self->read_func)(self, &s, 1) < 0) |
| 3772 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3773 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3774 | switch (s[0]) { |
| 3775 | case NONE: |
| 3776 | if (load_none(self) < 0) |
| 3777 | break; |
| 3778 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3779 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3780 | case BININT: |
| 3781 | if (load_binint(self) < 0) |
| 3782 | break; |
| 3783 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3784 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3785 | case BININT1: |
| 3786 | if (load_binint1(self) < 0) |
| 3787 | break; |
| 3788 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3789 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3790 | case BININT2: |
| 3791 | if (load_binint2(self) < 0) |
| 3792 | break; |
| 3793 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3794 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3795 | case INT: |
| 3796 | if (load_int(self) < 0) |
| 3797 | break; |
| 3798 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3799 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3800 | case LONG: |
| 3801 | if (load_long(self) < 0) |
| 3802 | break; |
| 3803 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3804 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3805 | case FLOAT: |
| 3806 | if (load_float(self) < 0) |
| 3807 | break; |
| 3808 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3809 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3810 | case BINFLOAT: |
| 3811 | if (load_binfloat(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 BINSTRING: |
| 3816 | if (load_binstring(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 SHORT_BINSTRING: |
| 3821 | if (load_short_binstring(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 STRING: |
| 3826 | if (load_string(self) < 0) |
| 3827 | break; |
| 3828 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3829 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3830 | #ifdef Py_USING_UNICODE |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3831 | case UNICODE: |
| 3832 | if (load_unicode(self) < 0) |
| 3833 | break; |
| 3834 | continue; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3835 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3836 | case BINUNICODE: |
| 3837 | if (load_binunicode(self) < 0) |
| 3838 | break; |
| 3839 | continue; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3840 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3841 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3842 | case EMPTY_TUPLE: |
| 3843 | if (load_empty_tuple(self) < 0) |
| 3844 | break; |
| 3845 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3846 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3847 | case TUPLE: |
| 3848 | if (load_tuple(self) < 0) |
| 3849 | break; |
| 3850 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3851 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3852 | case EMPTY_LIST: |
| 3853 | if (load_empty_list(self) < 0) |
| 3854 | break; |
| 3855 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3856 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3857 | case LIST: |
| 3858 | if (load_list(self) < 0) |
| 3859 | break; |
| 3860 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3861 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3862 | case EMPTY_DICT: |
| 3863 | if (load_empty_dict(self) < 0) |
| 3864 | break; |
| 3865 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3866 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3867 | case DICT: |
| 3868 | if (load_dict(self) < 0) |
| 3869 | break; |
| 3870 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3871 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3872 | case OBJ: |
| 3873 | if (load_obj(self) < 0) |
| 3874 | break; |
| 3875 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3876 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3877 | case INST: |
| 3878 | if (load_inst(self) < 0) |
| 3879 | break; |
| 3880 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3881 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3882 | case GLOBAL: |
| 3883 | if (load_global(self) < 0) |
| 3884 | break; |
| 3885 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3886 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3887 | case APPEND: |
| 3888 | if (load_append(self) < 0) |
| 3889 | break; |
| 3890 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3891 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3892 | case APPENDS: |
| 3893 | if (load_appends(self) < 0) |
| 3894 | break; |
| 3895 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3896 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3897 | case BUILD: |
| 3898 | if (load_build(self) < 0) |
| 3899 | break; |
| 3900 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3901 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3902 | case DUP: |
| 3903 | if (load_dup(self) < 0) |
| 3904 | break; |
| 3905 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3906 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3907 | case BINGET: |
| 3908 | if (load_binget(self) < 0) |
| 3909 | break; |
| 3910 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3911 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3912 | case LONG_BINGET: |
| 3913 | if (load_long_binget(self) < 0) |
| 3914 | break; |
| 3915 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3916 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3917 | case GET: |
| 3918 | if (load_get(self) < 0) |
| 3919 | break; |
| 3920 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3921 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3922 | case MARK: |
| 3923 | if (load_mark(self) < 0) |
| 3924 | break; |
| 3925 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3926 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3927 | case BINPUT: |
| 3928 | if (load_binput(self) < 0) |
| 3929 | break; |
| 3930 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3931 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3932 | case LONG_BINPUT: |
| 3933 | if (load_long_binput(self) < 0) |
| 3934 | break; |
| 3935 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3936 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3937 | case PUT: |
| 3938 | if (load_put(self) < 0) |
| 3939 | break; |
| 3940 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3941 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3942 | case POP: |
| 3943 | if (load_pop(self) < 0) |
| 3944 | break; |
| 3945 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3946 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3947 | case POP_MARK: |
| 3948 | if (load_pop_mark(self) < 0) |
| 3949 | break; |
| 3950 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3951 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3952 | case SETITEM: |
| 3953 | if (load_setitem(self) < 0) |
| 3954 | break; |
| 3955 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3956 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3957 | case SETITEMS: |
| 3958 | if (load_setitems(self) < 0) |
| 3959 | break; |
| 3960 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3961 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3962 | case STOP: |
| 3963 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3964 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3965 | case PERSID: |
| 3966 | if (load_persid(self) < 0) |
| 3967 | break; |
| 3968 | continue; |
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 | case BINPERSID: |
| 3971 | if (load_binpersid(self) < 0) |
| 3972 | break; |
| 3973 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3974 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3975 | case REDUCE: |
| 3976 | if (load_reduce(self) < 0) |
| 3977 | break; |
| 3978 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3979 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3980 | case '\0': |
| 3981 | /* end of file */ |
| 3982 | PyErr_SetNone(PyExc_EOFError); |
| 3983 | break; |
Neil Schemenauer | fa79c65 | 2002-03-22 23:02:53 +0000 | [diff] [blame] | 3984 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3985 | default: |
| 3986 | cPickle_ErrFormat(UnpicklingError, |
| 3987 | "invalid load key, '%s'.", |
| 3988 | "c", s[0]); |
| 3989 | return NULL; |
| 3990 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3991 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3992 | break; |
| 3993 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3994 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 3995 | if ((err = PyErr_Occurred())) { |
| 3996 | if (err == PyExc_EOFError) { |
| 3997 | PyErr_SetNone(PyExc_EOFError); |
| 3998 | } |
| 3999 | return NULL; |
| 4000 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4001 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4002 | PDATA_POP(self->stack, val); |
| 4003 | return val; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4004 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4005 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4006 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4007 | /* No-load functions to support noload, which is used to |
| 4008 | find persistent references. */ |
| 4009 | |
| 4010 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4011 | noload_obj(Unpicklerobject *self) |
| 4012 | { |
| 4013 | int i; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4014 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4015 | if ((i = marker(self)) < 0) return -1; |
| 4016 | return Pdata_clear(self->stack, i+1); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4017 | } |
| 4018 | |
| 4019 | |
| 4020 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4021 | noload_inst(Unpicklerobject *self) |
| 4022 | { |
| 4023 | int i; |
| 4024 | char *s; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4025 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4026 | if ((i = marker(self)) < 0) return -1; |
| 4027 | Pdata_clear(self->stack, i); |
| 4028 | if ((*self->readline_func)(self, &s) < 0) return -1; |
| 4029 | if ((*self->readline_func)(self, &s) < 0) return -1; |
| 4030 | PDATA_APPEND(self->stack, Py_None,-1); |
| 4031 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4032 | } |
| 4033 | |
| 4034 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4035 | noload_global(Unpicklerobject *self) |
| 4036 | { |
| 4037 | char *s; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4038 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4039 | if ((*self->readline_func)(self, &s) < 0) return -1; |
| 4040 | if ((*self->readline_func)(self, &s) < 0) return -1; |
| 4041 | PDATA_APPEND(self->stack, Py_None,-1); |
| 4042 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4043 | } |
| 4044 | |
| 4045 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4046 | noload_reduce(Unpicklerobject *self) |
| 4047 | { |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4048 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4049 | if (self->stack->length < 2) return stackUnderflow(); |
| 4050 | Pdata_clear(self->stack, self->stack->length-2); |
| 4051 | PDATA_APPEND(self->stack, Py_None,-1); |
| 4052 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4053 | } |
| 4054 | |
| 4055 | static int |
| 4056 | noload_build(Unpicklerobject *self) { |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4057 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 4058 | if (self->stack->length < 1) return stackUnderflow(); |
| 4059 | Pdata_clear(self->stack, self->stack->length-1); |
Guido van Rossum | 50f385c | 1998-12-04 18:48:44 +0000 | [diff] [blame] | 4060 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4061 | } |
| 4062 | |
| 4063 | |
| 4064 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4065 | noload(Unpicklerobject *self) |
| 4066 | { |
| 4067 | PyObject *err = 0, *val = 0; |
| 4068 | char *s; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4069 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4070 | self->num_marks = 0; |
| 4071 | Pdata_clear(self->stack, 0); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4072 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4073 | while (1) { |
| 4074 | if ((*self->read_func)(self, &s, 1) < 0) |
| 4075 | break; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4076 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4077 | switch (s[0]) { |
| 4078 | case NONE: |
| 4079 | if (load_none(self) < 0) |
| 4080 | break; |
| 4081 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4082 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4083 | case BININT: |
| 4084 | if (load_binint(self) < 0) |
| 4085 | break; |
| 4086 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4087 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4088 | case BININT1: |
| 4089 | if (load_binint1(self) < 0) |
| 4090 | break; |
| 4091 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4092 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4093 | case BININT2: |
| 4094 | if (load_binint2(self) < 0) |
| 4095 | break; |
| 4096 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4097 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4098 | case INT: |
| 4099 | if (load_int(self) < 0) |
| 4100 | break; |
| 4101 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4102 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4103 | case LONG: |
| 4104 | if (load_long(self) < 0) |
| 4105 | break; |
| 4106 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4107 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4108 | case FLOAT: |
| 4109 | if (load_float(self) < 0) |
| 4110 | break; |
| 4111 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4112 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4113 | case BINFLOAT: |
| 4114 | if (load_binfloat(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 BINSTRING: |
| 4119 | if (load_binstring(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 SHORT_BINSTRING: |
| 4124 | if (load_short_binstring(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 STRING: |
| 4129 | if (load_string(self) < 0) |
| 4130 | break; |
| 4131 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4132 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4133 | #ifdef Py_USING_UNICODE |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4134 | case UNICODE: |
| 4135 | if (load_unicode(self) < 0) |
| 4136 | break; |
| 4137 | continue; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4138 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4139 | case BINUNICODE: |
| 4140 | if (load_binunicode(self) < 0) |
| 4141 | break; |
| 4142 | continue; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4143 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4144 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4145 | case EMPTY_TUPLE: |
| 4146 | if (load_empty_tuple(self) < 0) |
| 4147 | break; |
| 4148 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4149 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4150 | case TUPLE: |
| 4151 | if (load_tuple(self) < 0) |
| 4152 | break; |
| 4153 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4154 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4155 | case EMPTY_LIST: |
| 4156 | if (load_empty_list(self) < 0) |
| 4157 | break; |
| 4158 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4159 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4160 | case LIST: |
| 4161 | if (load_list(self) < 0) |
| 4162 | break; |
| 4163 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4164 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4165 | case EMPTY_DICT: |
| 4166 | if (load_empty_dict(self) < 0) |
| 4167 | break; |
| 4168 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4169 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4170 | case DICT: |
| 4171 | if (load_dict(self) < 0) |
| 4172 | break; |
| 4173 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4174 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4175 | case OBJ: |
| 4176 | if (noload_obj(self) < 0) |
| 4177 | break; |
| 4178 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4179 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4180 | case INST: |
| 4181 | if (noload_inst(self) < 0) |
| 4182 | break; |
| 4183 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4184 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4185 | case GLOBAL: |
| 4186 | if (noload_global(self) < 0) |
| 4187 | break; |
| 4188 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4189 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4190 | case APPEND: |
| 4191 | if (load_append(self) < 0) |
| 4192 | break; |
| 4193 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4194 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4195 | case APPENDS: |
| 4196 | if (load_appends(self) < 0) |
| 4197 | break; |
| 4198 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4199 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4200 | case BUILD: |
| 4201 | if (noload_build(self) < 0) |
| 4202 | break; |
| 4203 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4204 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4205 | case DUP: |
| 4206 | if (load_dup(self) < 0) |
| 4207 | break; |
| 4208 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4209 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4210 | case BINGET: |
| 4211 | if (load_binget(self) < 0) |
| 4212 | break; |
| 4213 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4214 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4215 | case LONG_BINGET: |
| 4216 | if (load_long_binget(self) < 0) |
| 4217 | break; |
| 4218 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4219 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4220 | case GET: |
| 4221 | if (load_get(self) < 0) |
| 4222 | break; |
| 4223 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4224 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4225 | case MARK: |
| 4226 | if (load_mark(self) < 0) |
| 4227 | break; |
| 4228 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4229 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4230 | case BINPUT: |
| 4231 | if (load_binput(self) < 0) |
| 4232 | break; |
| 4233 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4234 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4235 | case LONG_BINPUT: |
| 4236 | if (load_long_binput(self) < 0) |
| 4237 | break; |
| 4238 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4239 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4240 | case PUT: |
| 4241 | if (load_put(self) < 0) |
| 4242 | break; |
| 4243 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4244 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4245 | case POP: |
| 4246 | if (load_pop(self) < 0) |
| 4247 | break; |
| 4248 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4249 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4250 | case POP_MARK: |
| 4251 | if (load_pop_mark(self) < 0) |
| 4252 | break; |
| 4253 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4254 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4255 | case SETITEM: |
| 4256 | if (load_setitem(self) < 0) |
| 4257 | break; |
| 4258 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4259 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4260 | case SETITEMS: |
| 4261 | if (load_setitems(self) < 0) |
| 4262 | break; |
| 4263 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4264 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4265 | case STOP: |
| 4266 | break; |
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 | case PERSID: |
| 4269 | if (load_persid(self) < 0) |
| 4270 | break; |
| 4271 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4272 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4273 | case BINPERSID: |
| 4274 | if (load_binpersid(self) < 0) |
| 4275 | break; |
| 4276 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4277 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4278 | case REDUCE: |
| 4279 | if (noload_reduce(self) < 0) |
| 4280 | break; |
| 4281 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4282 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4283 | default: |
| 4284 | cPickle_ErrFormat(UnpicklingError, |
| 4285 | "invalid load key, '%s'.", |
| 4286 | "c", s[0]); |
| 4287 | return NULL; |
| 4288 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4289 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4290 | break; |
| 4291 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4292 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4293 | if ((err = PyErr_Occurred())) { |
| 4294 | if (err == PyExc_EOFError) { |
| 4295 | PyErr_SetNone(PyExc_EOFError); |
| 4296 | } |
| 4297 | return NULL; |
| 4298 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4299 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4300 | PDATA_POP(self->stack, val); |
| 4301 | return val; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4302 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4303 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4304 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4305 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4306 | Unpickler_load(Unpicklerobject *self, PyObject *args) |
| 4307 | { |
| 4308 | if (!( PyArg_ParseTuple(args, ":load"))) |
| 4309 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4310 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4311 | return load(self); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4312 | } |
| 4313 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4314 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4315 | Unpickler_noload(Unpicklerobject *self, PyObject *args) |
| 4316 | { |
| 4317 | if (!( PyArg_ParseTuple(args, ":noload"))) |
| 4318 | return NULL; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4319 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4320 | return noload(self); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4321 | } |
| 4322 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4323 | |
| 4324 | static struct PyMethodDef Unpickler_methods[] = { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4325 | {"load", (PyCFunction)Unpickler_load, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4326 | "load() -- Load a pickle" |
| 4327 | }, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4328 | {"noload", (PyCFunction)Unpickler_noload, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4329 | "noload() -- not load a pickle, but go through most of the motions\n" |
| 4330 | "\n" |
| 4331 | "This function can be used to read past a pickle without instantiating\n" |
| 4332 | "any objects or importing any modules. It can also be used to find all\n" |
| 4333 | "persistent references without instantiating any objects or importing\n" |
| 4334 | "any modules.\n" |
| 4335 | }, |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4336 | {NULL, NULL} /* sentinel */ |
| 4337 | }; |
| 4338 | |
| 4339 | |
| 4340 | static Unpicklerobject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4341 | newUnpicklerobject(PyObject *f) |
| 4342 | { |
| 4343 | Unpicklerobject *self; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4344 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4345 | if (!( self = PyObject_New(Unpicklerobject, &Unpicklertype))) |
| 4346 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4347 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4348 | self->file = NULL; |
| 4349 | self->arg = NULL; |
| 4350 | self->stack = (Pdata*)Pdata_New(); |
| 4351 | self->pers_func = NULL; |
| 4352 | self->last_string = NULL; |
| 4353 | self->marks = NULL; |
| 4354 | self->num_marks = 0; |
| 4355 | self->marks_size = 0; |
| 4356 | self->buf_size = 0; |
| 4357 | self->read = NULL; |
| 4358 | self->readline = NULL; |
| 4359 | self->safe_constructors = NULL; |
| 4360 | self->find_class = NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4361 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4362 | if (!( self->memo = PyDict_New())) |
| 4363 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4364 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4365 | Py_INCREF(f); |
| 4366 | self->file = f; |
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 | /* Set read, readline based on type of f */ |
| 4369 | if (PyFile_Check(f)) { |
| 4370 | self->fp = PyFile_AsFile(f); |
| 4371 | if (self->fp == NULL) { |
| 4372 | PyErr_SetString(PyExc_ValueError, |
| 4373 | "I/O operation on closed file"); |
| 4374 | goto err; |
| 4375 | } |
| 4376 | self->read_func = read_file; |
| 4377 | self->readline_func = readline_file; |
Guido van Rossum | c91fcaa | 1999-03-29 20:00:14 +0000 | [diff] [blame] | 4378 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4379 | else if (PycStringIO_InputCheck(f)) { |
| 4380 | self->fp = NULL; |
| 4381 | self->read_func = read_cStringIO; |
| 4382 | self->readline_func = readline_cStringIO; |
| 4383 | } |
| 4384 | else { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4385 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4386 | self->fp = NULL; |
| 4387 | self->read_func = read_other; |
| 4388 | self->readline_func = readline_other; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4389 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4390 | if (!( (self->readline = PyObject_GetAttr(f, readline_str)) && |
| 4391 | (self->read = PyObject_GetAttr(f, read_str)))) { |
| 4392 | PyErr_Clear(); |
| 4393 | PyErr_SetString( PyExc_TypeError, |
| 4394 | "argument must have 'read' and " |
| 4395 | "'readline' attributes" ); |
| 4396 | goto err; |
| 4397 | } |
| 4398 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4399 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4400 | if (PyEval_GetRestricted()) { |
| 4401 | /* Restricted execution, get private tables */ |
| 4402 | PyObject *m; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4403 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4404 | if (!( m=PyImport_Import(copy_reg_str))) goto err; |
| 4405 | self->safe_constructors=PyObject_GetAttr(m, |
| 4406 | safe_constructors_str); |
| 4407 | Py_DECREF(m); |
| 4408 | if (!( self->safe_constructors )) goto err; |
| 4409 | } |
| 4410 | else { |
| 4411 | self->safe_constructors=safe_constructors; |
| 4412 | Py_INCREF(safe_constructors); |
| 4413 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4414 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4415 | return self; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4416 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4417 | err: |
| 4418 | Py_DECREF((PyObject *)self); |
| 4419 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4420 | } |
| 4421 | |
| 4422 | |
| 4423 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4424 | get_Unpickler(PyObject *self, PyObject *args) |
| 4425 | { |
| 4426 | PyObject *file; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4427 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4428 | if (!( PyArg_ParseTuple(args, "O:Unpickler", &file))) |
| 4429 | return NULL; |
| 4430 | return (PyObject *)newUnpicklerobject(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4431 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4432 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4433 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4434 | static void |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4435 | Unpickler_dealloc(Unpicklerobject *self) |
| 4436 | { |
| 4437 | Py_XDECREF(self->readline); |
| 4438 | Py_XDECREF(self->read); |
| 4439 | Py_XDECREF(self->file); |
| 4440 | Py_XDECREF(self->memo); |
| 4441 | Py_XDECREF(self->stack); |
| 4442 | Py_XDECREF(self->pers_func); |
| 4443 | Py_XDECREF(self->arg); |
| 4444 | Py_XDECREF(self->last_string); |
| 4445 | Py_XDECREF(self->safe_constructors); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4446 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4447 | if (self->marks) { |
| 4448 | free(self->marks); |
| 4449 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4450 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4451 | if (self->buf_size) { |
| 4452 | free(self->buf); |
| 4453 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4454 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4455 | PyObject_Del(self); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4456 | } |
| 4457 | |
| 4458 | |
| 4459 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4460 | Unpickler_getattr(Unpicklerobject *self, char *name) |
| 4461 | { |
| 4462 | if (!strcmp(name, "persistent_load")) { |
| 4463 | if (!self->pers_func) { |
| 4464 | PyErr_SetString(PyExc_AttributeError, name); |
| 4465 | return NULL; |
| 4466 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4467 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4468 | Py_INCREF(self->pers_func); |
| 4469 | return self->pers_func; |
| 4470 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4471 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4472 | if (!strcmp(name, "find_global")) { |
| 4473 | if (!self->find_class) { |
| 4474 | PyErr_SetString(PyExc_AttributeError, name); |
| 4475 | return NULL; |
| 4476 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 4477 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4478 | Py_INCREF(self->find_class); |
| 4479 | return self->find_class; |
| 4480 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 4481 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4482 | if (!strcmp(name, "memo")) { |
| 4483 | if (!self->memo) { |
| 4484 | PyErr_SetString(PyExc_AttributeError, name); |
| 4485 | return NULL; |
| 4486 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4487 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4488 | Py_INCREF(self->memo); |
| 4489 | return self->memo; |
| 4490 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4491 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4492 | if (!strcmp(name, "UnpicklingError")) { |
| 4493 | Py_INCREF(UnpicklingError); |
| 4494 | return UnpicklingError; |
| 4495 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4496 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4497 | return Py_FindMethod(Unpickler_methods, (PyObject *)self, name); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4498 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4499 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4500 | |
| 4501 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4502 | Unpickler_setattr(Unpicklerobject *self, char *name, PyObject *value) |
| 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 | if (!strcmp(name, "persistent_load")) { |
| 4506 | Py_XDECREF(self->pers_func); |
| 4507 | self->pers_func = value; |
| 4508 | Py_XINCREF(value); |
| 4509 | return 0; |
| 4510 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 4511 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4512 | if (!strcmp(name, "find_global")) { |
| 4513 | Py_XDECREF(self->find_class); |
| 4514 | self->find_class = value; |
| 4515 | Py_XINCREF(value); |
| 4516 | return 0; |
| 4517 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 4518 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4519 | if (! value) { |
| 4520 | PyErr_SetString(PyExc_TypeError, |
| 4521 | "attribute deletion is not supported"); |
| 4522 | return -1; |
| 4523 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 4524 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4525 | if (strcmp(name, "memo") == 0) { |
| 4526 | if (!PyDict_Check(value)) { |
| 4527 | PyErr_SetString(PyExc_TypeError, |
| 4528 | "memo must be a dictionary"); |
| 4529 | return -1; |
| 4530 | } |
| 4531 | Py_XDECREF(self->memo); |
| 4532 | self->memo = value; |
| 4533 | Py_INCREF(value); |
| 4534 | return 0; |
| 4535 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 4536 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4537 | PyErr_SetString(PyExc_AttributeError, name); |
| 4538 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4539 | } |
| 4540 | |
| 4541 | |
| 4542 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4543 | cpm_dump(PyObject *self, PyObject *args) |
| 4544 | { |
| 4545 | PyObject *ob, *file, *res = NULL; |
| 4546 | Picklerobject *pickler = 0; |
| 4547 | int bin = 0; |
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 (!( PyArg_ParseTuple(args, "OO|i", &ob, &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 (!( pickler = newPicklerobject(file, bin))) |
| 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 | if (dump(pickler, ob) < 0) |
| 4556 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4557 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4558 | Py_INCREF(Py_None); |
| 4559 | res = Py_None; |
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 | finally: |
| 4562 | Py_XDECREF(pickler); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4563 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4564 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4565 | } |
| 4566 | |
| 4567 | |
| 4568 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4569 | cpm_dumps(PyObject *self, PyObject *args) |
| 4570 | { |
| 4571 | PyObject *ob, *file = 0, *res = NULL; |
| 4572 | Picklerobject *pickler = 0; |
| 4573 | int bin = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4574 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4575 | if (!( PyArg_ParseTuple(args, "O|i:dumps", &ob, &bin))) |
| 4576 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4577 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4578 | if (!( file = PycStringIO->NewOutput(128))) |
| 4579 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4580 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4581 | if (!( pickler = newPicklerobject(file, bin))) |
| 4582 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4583 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4584 | if (dump(pickler, ob) < 0) |
| 4585 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4586 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4587 | res = PycStringIO->cgetvalue(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4588 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4589 | finally: |
| 4590 | Py_XDECREF(pickler); |
| 4591 | Py_XDECREF(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4592 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4593 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4594 | } |
| 4595 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4596 | |
| 4597 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4598 | cpm_load(PyObject *self, PyObject *args) |
| 4599 | { |
| 4600 | Unpicklerobject *unpickler = 0; |
| 4601 | PyObject *ob, *res = NULL; |
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 | if (!( PyArg_ParseTuple(args, "O:load", &ob))) |
| 4604 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4605 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4606 | if (!( unpickler = newUnpicklerobject(ob))) |
| 4607 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4608 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4609 | res = load(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4610 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4611 | finally: |
| 4612 | Py_XDECREF(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4613 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4614 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4615 | } |
| 4616 | |
| 4617 | |
| 4618 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4619 | cpm_loads(PyObject *self, PyObject *args) |
| 4620 | { |
| 4621 | PyObject *ob, *file = 0, *res = NULL; |
| 4622 | Unpicklerobject *unpickler = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4623 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4624 | if (!( PyArg_ParseTuple(args, "S:loads", &ob))) |
| 4625 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4626 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4627 | if (!( file = PycStringIO->NewInput(ob))) |
| 4628 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4629 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4630 | if (!( unpickler = newUnpicklerobject(file))) |
| 4631 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4632 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4633 | res = load(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4634 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4635 | finally: |
| 4636 | Py_XDECREF(file); |
| 4637 | Py_XDECREF(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4638 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4639 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4640 | } |
| 4641 | |
| 4642 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4643 | static char Unpicklertype__doc__[] = |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4644 | "Objects that know how to unpickle"; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4645 | |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 4646 | static PyTypeObject Unpicklertype = { |
| 4647 | PyObject_HEAD_INIT(NULL) |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4648 | 0, /*ob_size*/ |
Guido van Rossum | 1464839 | 2001-12-08 18:02:58 +0000 | [diff] [blame] | 4649 | "cPickle.Unpickler", /*tp_name*/ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4650 | sizeof(Unpicklerobject), /*tp_basicsize*/ |
| 4651 | 0, /*tp_itemsize*/ |
| 4652 | /* methods */ |
| 4653 | (destructor)Unpickler_dealloc, /*tp_dealloc*/ |
| 4654 | (printfunc)0, /*tp_print*/ |
| 4655 | (getattrfunc)Unpickler_getattr, /*tp_getattr*/ |
| 4656 | (setattrfunc)Unpickler_setattr, /*tp_setattr*/ |
| 4657 | (cmpfunc)0, /*tp_compare*/ |
| 4658 | (reprfunc)0, /*tp_repr*/ |
| 4659 | 0, /*tp_as_number*/ |
| 4660 | 0, /*tp_as_sequence*/ |
| 4661 | 0, /*tp_as_mapping*/ |
| 4662 | (hashfunc)0, /*tp_hash*/ |
| 4663 | (ternaryfunc)0, /*tp_call*/ |
| 4664 | (reprfunc)0, /*tp_str*/ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4665 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4666 | /* Space for future expansion */ |
| 4667 | 0L,0L,0L,0L, |
| 4668 | Unpicklertype__doc__ /* Documentation string */ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 4669 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4670 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4671 | static struct PyMethodDef cPickle_methods[] = { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4672 | {"dump", (PyCFunction)cpm_dump, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4673 | "dump(object, file, [binary]) --" |
| 4674 | "Write an object in pickle format to the given file\n" |
| 4675 | "\n" |
| 4676 | "If the optional argument, binary, is provided and is true, then the\n" |
| 4677 | "pickle will be written in binary format, which is more space and\n" |
| 4678 | "computationally efficient. \n" |
| 4679 | }, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4680 | {"dumps", (PyCFunction)cpm_dumps, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4681 | "dumps(object, [binary]) --" |
| 4682 | "Return a string containing an object in pickle format\n" |
| 4683 | "\n" |
| 4684 | "If the optional argument, binary, is provided and is true, then the\n" |
| 4685 | "pickle will be written in binary format, which is more space and\n" |
| 4686 | "computationally efficient. \n" |
| 4687 | }, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4688 | {"load", (PyCFunction)cpm_load, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4689 | "load(file) -- Load a pickle from the given file"}, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4690 | {"loads", (PyCFunction)cpm_loads, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4691 | "loads(string) -- Load a pickle from the given string"}, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4692 | {"Pickler", (PyCFunction)get_Pickler, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4693 | "Pickler(file, [binary]) -- Create a pickler\n" |
| 4694 | "\n" |
| 4695 | "If the optional argument, binary, is provided and is true, then\n" |
| 4696 | "pickles will be written in binary format, which is more space and\n" |
| 4697 | "computationally efficient. \n" |
| 4698 | }, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4699 | {"Unpickler", (PyCFunction)get_Unpickler, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4700 | "Unpickler(file) -- Create an unpickler"}, |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4701 | { NULL, NULL } |
| 4702 | }; |
| 4703 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4704 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4705 | init_stuff(PyObject *module_dict) |
| 4706 | { |
| 4707 | PyObject *copy_reg, *t, *r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4708 | |
Martin v. Löwis | 43c9d8a | 2002-04-01 12:34:33 +0000 | [diff] [blame] | 4709 | #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] | 4710 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4711 | INIT_STR(__class__); |
| 4712 | INIT_STR(__getinitargs__); |
| 4713 | INIT_STR(__dict__); |
| 4714 | INIT_STR(__getstate__); |
| 4715 | INIT_STR(__setstate__); |
| 4716 | INIT_STR(__name__); |
| 4717 | INIT_STR(__main__); |
| 4718 | INIT_STR(__reduce__); |
| 4719 | INIT_STR(write); |
| 4720 | INIT_STR(__safe_for_unpickling__); |
| 4721 | INIT_STR(append); |
| 4722 | INIT_STR(read); |
| 4723 | INIT_STR(readline); |
| 4724 | INIT_STR(copy_reg); |
| 4725 | INIT_STR(dispatch_table); |
| 4726 | INIT_STR(safe_constructors); |
| 4727 | INIT_STR(__basicnew__); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4728 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4729 | if (!( copy_reg = PyImport_ImportModule("copy_reg"))) |
| 4730 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4731 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4732 | /* These next few are special because we want to use different |
| 4733 | ones in restricted mode. */ |
| 4734 | dispatch_table = PyObject_GetAttr(copy_reg, dispatch_table_str); |
| 4735 | if (!dispatch_table) |
| 4736 | return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4737 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4738 | if (!( safe_constructors = PyObject_GetAttr(copy_reg, |
| 4739 | safe_constructors_str))) |
| 4740 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4741 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4742 | Py_DECREF(copy_reg); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4743 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4744 | /* Down to here ********************************** */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4745 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4746 | if (!( empty_tuple = PyTuple_New(0))) |
| 4747 | return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4748 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4749 | /* Ugh */ |
| 4750 | if (!( t=PyImport_ImportModule("__builtin__"))) return -1; |
| 4751 | if (PyDict_SetItemString(module_dict, "__builtins__", t) < 0) |
| 4752 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4753 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4754 | if (!( t=PyDict_New())) return -1; |
| 4755 | if (!( r=PyRun_String( |
| 4756 | "def __init__(self, *args): self.args=args\n\n" |
| 4757 | "def __str__(self):\n" |
| 4758 | " return self.args and ('%s' % self.args[0]) or '(what)'\n", |
| 4759 | Py_file_input, |
| 4760 | module_dict, t) )) return -1; |
| 4761 | Py_DECREF(r); |
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 | PickleError = PyErr_NewException("cPickle.PickleError", NULL, t); |
| 4764 | if (!PickleError) |
| 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 | Py_DECREF(t); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4768 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4769 | PicklingError = PyErr_NewException("cPickle.PicklingError", |
| 4770 | PickleError, NULL); |
| 4771 | if (!PicklingError) |
| 4772 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4773 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4774 | if (!( t=PyDict_New())) return -1; |
| 4775 | if (!( r=PyRun_String( |
| 4776 | "def __init__(self, *args): self.args=args\n\n" |
| 4777 | "def __str__(self):\n" |
| 4778 | " a=self.args\n" |
| 4779 | " a=a and type(a[0]) or '(what)'\n" |
| 4780 | " return 'Cannot pickle %s objects' % a\n" |
| 4781 | , Py_file_input, |
| 4782 | module_dict, t) )) return -1; |
| 4783 | Py_DECREF(r); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4784 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4785 | if (!( UnpickleableError = PyErr_NewException( |
| 4786 | "cPickle.UnpickleableError", PicklingError, t))) |
| 4787 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4788 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4789 | Py_DECREF(t); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4790 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4791 | if (!( UnpicklingError = PyErr_NewException("cPickle.UnpicklingError", |
| 4792 | PickleError, NULL))) |
| 4793 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4794 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4795 | if (PyDict_SetItemString(module_dict, "PickleError", |
| 4796 | PickleError) < 0) |
| 4797 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4798 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4799 | if (PyDict_SetItemString(module_dict, "PicklingError", |
| 4800 | PicklingError) < 0) |
| 4801 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4802 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4803 | if (PyDict_SetItemString(module_dict, "UnpicklingError", |
| 4804 | UnpicklingError) < 0) |
| 4805 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4806 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4807 | if (PyDict_SetItemString(module_dict, "UnpickleableError", |
| 4808 | UnpickleableError) < 0) |
| 4809 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4810 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4811 | if (!( BadPickleGet = PyString_FromString("cPickle.BadPickleGet"))) |
| 4812 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4813 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4814 | if (PyDict_SetItemString(module_dict, "BadPickleGet", |
| 4815 | BadPickleGet) < 0) |
| 4816 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4817 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4818 | PycString_IMPORT; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 4819 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4820 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4821 | } |
| 4822 | |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 4823 | #ifndef DL_EXPORT /* declarations for DLL import/export */ |
| 4824 | #define DL_EXPORT(RTYPE) RTYPE |
| 4825 | #endif |
Guido van Rossum | 50f385c | 1998-12-04 18:48:44 +0000 | [diff] [blame] | 4826 | DL_EXPORT(void) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4827 | initcPickle(void) |
| 4828 | { |
| 4829 | PyObject *m, *d, *di, *v, *k; |
| 4830 | int i; |
| 4831 | char *rev="1.71"; |
| 4832 | PyObject *format_version; |
| 4833 | PyObject *compatible_formats; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4834 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4835 | Picklertype.ob_type = &PyType_Type; |
| 4836 | Picklertype.tp_getattro = PyObject_GenericGetAttr; |
| 4837 | Picklertype.tp_setattro = PyObject_GenericSetAttr; |
| 4838 | Unpicklertype.ob_type = &PyType_Type; |
| 4839 | PdataType.ob_type = &PyType_Type; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4840 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4841 | /* Initialize some pieces. We need to do this before module creation, |
| 4842 | so we're forced to use a temporary dictionary. :( |
| 4843 | */ |
| 4844 | di=PyDict_New(); |
| 4845 | if (!di) return; |
| 4846 | if (init_stuff(di) < 0) return; |
Guido van Rossum | ebba420 | 2000-09-07 14:35:37 +0000 | [diff] [blame] | 4847 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4848 | /* Create the module and add the functions */ |
| 4849 | m = Py_InitModule4("cPickle", cPickle_methods, |
| 4850 | cPickle_module_documentation, |
| 4851 | (PyObject*)NULL,PYTHON_API_VERSION); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4852 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4853 | /* Add some symbolic constants to the module */ |
| 4854 | d = PyModule_GetDict(m); |
| 4855 | PyDict_SetItemString(d,"__version__", v = PyString_FromString(rev)); |
| 4856 | Py_XDECREF(v); |
Barry Warsaw | 93d29b6 | 1997-01-14 17:45:08 +0000 | [diff] [blame] | 4857 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4858 | /* Copy data from di. Waaa. */ |
| 4859 | for (i=0; PyDict_Next(di, &i, &k, &v); ) { |
| 4860 | if (PyObject_SetItem(d, k, v) < 0) { |
| 4861 | Py_DECREF(di); |
| 4862 | return; |
| 4863 | } |
| 4864 | } |
| 4865 | Py_DECREF(di); |
Guido van Rossum | ebba420 | 2000-09-07 14:35:37 +0000 | [diff] [blame] | 4866 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4867 | format_version = PyString_FromString("1.3"); |
| 4868 | compatible_formats = Py_BuildValue("[sss]", "1.0", "1.1", "1.2"); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4869 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame^] | 4870 | PyDict_SetItemString(d, "format_version", format_version); |
| 4871 | PyDict_SetItemString(d, "compatible_formats", compatible_formats); |
| 4872 | Py_XDECREF(format_version); |
| 4873 | Py_XDECREF(compatible_formats); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4874 | } |