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 | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame^] | 128 | #define TRUE 'Z' |
| 129 | #define FALSE 'z' |
| 130 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 131 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 132 | static char MARKv = MARK; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 133 | |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 134 | static PyObject *PickleError; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 135 | static PyObject *PicklingError; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 136 | static PyObject *UnpickleableError; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 137 | static PyObject *UnpicklingError; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 138 | static PyObject *BadPickleGet; |
| 139 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 140 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 141 | static PyObject *dispatch_table; |
| 142 | static PyObject *safe_constructors; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 143 | static PyObject *empty_tuple; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 144 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 145 | static PyObject *__class___str, *__getinitargs___str, *__dict___str, |
| 146 | *__getstate___str, *__setstate___str, *__name___str, *__reduce___str, |
| 147 | *write_str, *__safe_for_unpickling___str, *append_str, |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 148 | *read_str, *readline_str, *__main___str, *__basicnew___str, |
Fred Drake | 2c7a685 | 2001-07-17 18:34:03 +0000 | [diff] [blame] | 149 | *copy_reg_str, *dispatch_table_str, *safe_constructors_str; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 150 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 151 | /************************************************************************* |
| 152 | Internal Data type for pickle data. */ |
| 153 | |
| 154 | typedef struct { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 155 | PyObject_HEAD |
| 156 | int length, size; |
| 157 | PyObject **data; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 158 | } Pdata; |
| 159 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 160 | static void |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 161 | Pdata_dealloc(Pdata *self) |
| 162 | { |
| 163 | int i; |
| 164 | PyObject **p; |
| 165 | |
| 166 | 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] | 167 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 168 | if (self->data) free(self->data); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 169 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 170 | PyObject_Del(self); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 171 | } |
| 172 | |
| 173 | static PyTypeObject PdataType = { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 174 | PyObject_HEAD_INIT(NULL) 0, "cPickle.Pdata", sizeof(Pdata), 0, |
| 175 | (destructor)Pdata_dealloc, |
| 176 | 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] | 177 | }; |
| 178 | |
| 179 | #define Pdata_Check(O) ((O)->ob_type == &PdataType) |
| 180 | |
| 181 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 182 | Pdata_New(void) |
| 183 | { |
| 184 | Pdata *self; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 185 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 186 | if (!( self = PyObject_New(Pdata, &PdataType))) return NULL; |
| 187 | self->size=8; |
| 188 | self->length=0; |
| 189 | self->data=malloc(self->size * sizeof(PyObject*)); |
| 190 | if (self->data) return (PyObject*)self; |
| 191 | Py_DECREF(self); |
| 192 | return PyErr_NoMemory(); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 193 | } |
| 194 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 195 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 196 | stackUnderflow(void) |
| 197 | { |
| 198 | PyErr_SetString(UnpicklingError, "unpickling stack underflow"); |
| 199 | return -1; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 200 | } |
| 201 | |
| 202 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 203 | Pdata_clear(Pdata *self, int clearto) |
| 204 | { |
| 205 | int i; |
| 206 | PyObject **p; |
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 | if (clearto < 0) return stackUnderflow(); |
| 209 | if (clearto >= self->length) return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 210 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 211 | for (i=self->length, p=self->data+clearto; --i >= clearto; p++) |
| 212 | Py_DECREF(*p); |
| 213 | self->length=clearto; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 214 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 215 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 216 | } |
| 217 | |
| 218 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 219 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 220 | Pdata_grow(Pdata *self) |
| 221 | { |
| 222 | if (! self->size) { |
| 223 | PyErr_NoMemory(); |
| 224 | return -1; |
| 225 | } |
| 226 | self->size *= 2; |
| 227 | self->data = realloc(self->data, self->size*sizeof(PyObject*)); |
| 228 | if (! self->data) { |
| 229 | self->size = 0; |
| 230 | PyErr_NoMemory(); |
| 231 | return -1; |
| 232 | } |
| 233 | return 0; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 234 | } |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 235 | |
| 236 | #define PDATA_POP(D,V) { \ |
| 237 | if ((D)->length) V=D->data[--((D)->length)]; \ |
| 238 | else { \ |
| 239 | PyErr_SetString(UnpicklingError, "bad pickle data"); \ |
| 240 | V=NULL; \ |
| 241 | } \ |
| 242 | } |
| 243 | |
| 244 | |
| 245 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 246 | Pdata_popTuple(Pdata *self, int start) |
| 247 | { |
| 248 | PyObject *r; |
| 249 | int i, j, l; |
| 250 | |
| 251 | l=self->length-start; |
| 252 | if (!( r=PyTuple_New(l))) return NULL; |
| 253 | for (i=start, j=0 ; j < l; i++, j++) |
| 254 | PyTuple_SET_ITEM(r, j, self->data[i]); |
| 255 | |
| 256 | self->length=start; |
| 257 | return r; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 258 | } |
| 259 | |
| 260 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 261 | Pdata_popList(Pdata *self, int start) |
| 262 | { |
| 263 | PyObject *r; |
| 264 | int i, j, l; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 265 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 266 | l=self->length-start; |
| 267 | if (!( r=PyList_New(l))) return NULL; |
| 268 | for (i=start, j=0 ; j < l; i++, j++) |
| 269 | PyList_SET_ITEM(r, j, self->data[i]); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 270 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 271 | self->length=start; |
| 272 | return r; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 273 | } |
| 274 | |
| 275 | #define PDATA_APPEND_(D,O,ER) { \ |
| 276 | if (Pdata_Append(((Pdata*)(D)), O) < 0) return ER; \ |
| 277 | } |
| 278 | |
| 279 | #define PDATA_APPEND(D,O,ER) { \ |
| 280 | if (((Pdata*)(D))->length == ((Pdata*)(D))->size && \ |
| 281 | Pdata_grow((Pdata*)(D)) < 0) \ |
| 282 | return ER; \ |
| 283 | Py_INCREF(O); \ |
| 284 | ((Pdata*)(D))->data[((Pdata*)(D))->length++]=O; \ |
| 285 | } |
| 286 | |
| 287 | #define PDATA_PUSH(D,O,ER) { \ |
| 288 | if (((Pdata*)(D))->length == ((Pdata*)(D))->size && \ |
| 289 | Pdata_grow((Pdata*)(D)) < 0) { \ |
| 290 | Py_DECREF(O); \ |
| 291 | return ER; \ |
| 292 | } \ |
| 293 | ((Pdata*)(D))->data[((Pdata*)(D))->length++]=O; \ |
| 294 | } |
| 295 | |
| 296 | /*************************************************************************/ |
| 297 | |
| 298 | #define ARG_TUP(self, o) { \ |
| 299 | if (self->arg || (self->arg=PyTuple_New(1))) { \ |
| 300 | Py_XDECREF(PyTuple_GET_ITEM(self->arg,0)); \ |
| 301 | PyTuple_SET_ITEM(self->arg,0,o); \ |
| 302 | } \ |
| 303 | else { \ |
| 304 | Py_DECREF(o); \ |
| 305 | } \ |
| 306 | } |
| 307 | |
| 308 | #define FREE_ARG_TUP(self) { \ |
| 309 | if (self->arg->ob_refcnt > 1) { \ |
| 310 | Py_DECREF(self->arg); \ |
| 311 | self->arg=NULL; \ |
| 312 | } \ |
| 313 | } |
| 314 | |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 315 | typedef struct Picklerobject { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 316 | PyObject_HEAD |
| 317 | FILE *fp; |
| 318 | PyObject *write; |
| 319 | PyObject *file; |
| 320 | PyObject *memo; |
| 321 | PyObject *arg; |
| 322 | PyObject *pers_func; |
| 323 | PyObject *inst_pers_func; |
| 324 | int bin; |
| 325 | int fast; /* Fast mode doesn't save in memo, don't use if circ ref */ |
| 326 | int (*write_func)(struct Picklerobject *, char *, int); |
| 327 | char *write_buf; |
| 328 | int buf_size; |
| 329 | PyObject *dispatch_table; |
| 330 | int fast_container; /* count nested container dumps */ |
| 331 | PyObject *fast_memo; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 332 | } Picklerobject; |
| 333 | |
Barry Warsaw | 52acb49 | 2001-12-21 20:04:22 +0000 | [diff] [blame] | 334 | #ifndef PY_CPICKLE_FAST_LIMIT |
| 335 | #define PY_CPICKLE_FAST_LIMIT 50 |
| 336 | #endif |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 337 | |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 338 | staticforward PyTypeObject Picklertype; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 339 | |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 340 | typedef struct Unpicklerobject { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 341 | PyObject_HEAD |
| 342 | FILE *fp; |
| 343 | PyObject *file; |
| 344 | PyObject *readline; |
| 345 | PyObject *read; |
| 346 | PyObject *memo; |
| 347 | PyObject *arg; |
| 348 | Pdata *stack; |
| 349 | PyObject *mark; |
| 350 | PyObject *pers_func; |
| 351 | PyObject *last_string; |
| 352 | int *marks; |
| 353 | int num_marks; |
| 354 | int marks_size; |
| 355 | int (*read_func)(struct Unpicklerobject *, char **, int); |
| 356 | int (*readline_func)(struct Unpicklerobject *, char **); |
| 357 | int buf_size; |
| 358 | char *buf; |
| 359 | PyObject *safe_constructors; |
| 360 | PyObject *find_class; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 361 | } Unpicklerobject; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 362 | |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 363 | staticforward PyTypeObject Unpicklertype; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 364 | |
Thomas Wouters | 4789b3a | 2000-07-24 11:36:47 +0000 | [diff] [blame] | 365 | /* Forward decls that need the above structs */ |
| 366 | static int save(Picklerobject *, PyObject *, int); |
| 367 | static int put2(Picklerobject *, PyObject *); |
| 368 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 369 | int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 370 | cPickle_PyMapping_HasKey(PyObject *o, PyObject *key) |
| 371 | { |
| 372 | PyObject *v; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 373 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 374 | if ((v = PyObject_GetItem(o,key))) { |
| 375 | Py_DECREF(v); |
| 376 | return 1; |
| 377 | } |
| 378 | |
| 379 | PyErr_Clear(); |
| 380 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 381 | } |
| 382 | |
Guido van Rossum | d385d59 | 1997-04-09 17:47:47 +0000 | [diff] [blame] | 383 | static |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 384 | PyObject * |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 385 | cPickle_ErrFormat(PyObject *ErrType, char *stringformat, char *format, ...) |
| 386 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 387 | va_list va; |
| 388 | PyObject *args=0, *retval=0; |
| 389 | va_start(va, format); |
| 390 | |
| 391 | if (format) args = Py_VaBuildValue(format, va); |
| 392 | va_end(va); |
| 393 | if (format && ! args) return NULL; |
| 394 | if (stringformat && !(retval=PyString_FromString(stringformat))) |
| 395 | return NULL; |
| 396 | |
| 397 | if (retval) { |
| 398 | if (args) { |
| 399 | PyObject *v; |
| 400 | v=PyString_Format(retval, args); |
| 401 | Py_DECREF(retval); |
| 402 | Py_DECREF(args); |
| 403 | if (! v) return NULL; |
| 404 | retval=v; |
| 405 | } |
| 406 | } |
| 407 | else |
| 408 | if (args) retval=args; |
| 409 | else { |
| 410 | PyErr_SetObject(ErrType,Py_None); |
| 411 | return NULL; |
| 412 | } |
| 413 | PyErr_SetObject(ErrType,retval); |
| 414 | Py_DECREF(retval); |
| 415 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 416 | } |
| 417 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 418 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 419 | write_file(Picklerobject *self, char *s, int n) |
| 420 | { |
| 421 | size_t nbyteswritten; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 422 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 423 | if (s == NULL) { |
| 424 | return 0; |
| 425 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 426 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 427 | Py_BEGIN_ALLOW_THREADS |
| 428 | nbyteswritten = fwrite(s, sizeof(char), n, self->fp); |
| 429 | Py_END_ALLOW_THREADS |
| 430 | if (nbyteswritten != (size_t)n) { |
| 431 | PyErr_SetFromErrno(PyExc_IOError); |
| 432 | return -1; |
| 433 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 434 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 435 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 436 | } |
| 437 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 438 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 439 | write_cStringIO(Picklerobject *self, char *s, int n) |
| 440 | { |
| 441 | if (s == NULL) { |
| 442 | return 0; |
| 443 | } |
| 444 | |
| 445 | if (PycStringIO->cwrite((PyObject *)self->file, s, n) != n) { |
| 446 | return -1; |
| 447 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 448 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 449 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 450 | } |
| 451 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 452 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 453 | write_none(Picklerobject *self, char *s, int n) |
| 454 | { |
| 455 | if (s == NULL) return 0; |
| 456 | return n; |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 457 | } |
| 458 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 459 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 460 | write_other(Picklerobject *self, char *s, int n) |
| 461 | { |
| 462 | PyObject *py_str = 0, *junk = 0; |
| 463 | |
| 464 | if (s == NULL) { |
| 465 | if (!( self->buf_size )) return 0; |
| 466 | py_str = PyString_FromStringAndSize(self->write_buf, |
| 467 | self->buf_size); |
| 468 | if (!py_str) |
| 469 | return -1; |
| 470 | } |
| 471 | else { |
| 472 | if (self->buf_size && (n + self->buf_size) > WRITE_BUF_SIZE) { |
| 473 | if (write_other(self, NULL, 0) < 0) |
| 474 | return -1; |
| 475 | } |
| 476 | |
| 477 | if (n > WRITE_BUF_SIZE) { |
| 478 | if (!( py_str = |
| 479 | PyString_FromStringAndSize(s, n))) |
| 480 | return -1; |
| 481 | } |
| 482 | else { |
| 483 | memcpy(self->write_buf + self->buf_size, s, n); |
| 484 | self->buf_size += n; |
| 485 | return n; |
| 486 | } |
| 487 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 488 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 489 | if (self->write) { |
| 490 | /* object with write method */ |
| 491 | ARG_TUP(self, py_str); |
| 492 | if (self->arg) { |
| 493 | junk = PyObject_Call(self->write, self->arg, NULL); |
| 494 | FREE_ARG_TUP(self); |
| 495 | } |
| 496 | if (junk) Py_DECREF(junk); |
| 497 | else return -1; |
| 498 | } |
| 499 | else |
| 500 | PDATA_PUSH(self->file, py_str, -1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 501 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 502 | self->buf_size = 0; |
| 503 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 504 | } |
| 505 | |
| 506 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 507 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 508 | read_file(Unpicklerobject *self, char **s, int n) |
| 509 | { |
| 510 | size_t nbytesread; |
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 | if (self->buf_size == 0) { |
| 513 | int size; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 514 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 515 | size = ((n < 32) ? 32 : n); |
| 516 | if (!( self->buf = (char *)malloc(size * sizeof(char)))) { |
| 517 | PyErr_NoMemory(); |
| 518 | return -1; |
| 519 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 520 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 521 | self->buf_size = size; |
| 522 | } |
| 523 | else if (n > self->buf_size) { |
| 524 | self->buf = (char *)realloc(self->buf, n * sizeof(char)); |
| 525 | if (!self->buf) { |
| 526 | PyErr_NoMemory(); |
| 527 | return -1; |
| 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 | self->buf_size = n; |
| 531 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 532 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 533 | Py_BEGIN_ALLOW_THREADS |
| 534 | nbytesread = fread(self->buf, sizeof(char), n, self->fp); |
| 535 | Py_END_ALLOW_THREADS |
| 536 | if (nbytesread != (size_t)n) { |
| 537 | if (feof(self->fp)) { |
| 538 | PyErr_SetNone(PyExc_EOFError); |
| 539 | return -1; |
| 540 | } |
| 541 | |
| 542 | PyErr_SetFromErrno(PyExc_IOError); |
| 543 | return -1; |
| 544 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 545 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 546 | *s = self->buf; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 547 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 548 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 549 | } |
| 550 | |
| 551 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 552 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 553 | readline_file(Unpicklerobject *self, char **s) |
| 554 | { |
| 555 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 556 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 557 | if (self->buf_size == 0) { |
| 558 | if (!( self->buf = (char *)malloc(40 * sizeof(char)))) { |
| 559 | PyErr_NoMemory(); |
| 560 | return -1; |
| 561 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 562 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 563 | self->buf_size = 40; |
| 564 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 565 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 566 | i = 0; |
| 567 | while (1) { |
| 568 | for (; i < (self->buf_size - 1); i++) { |
| 569 | if (feof(self->fp) || |
| 570 | (self->buf[i] = getc(self->fp)) == '\n') { |
| 571 | self->buf[i + 1] = '\0'; |
| 572 | *s = self->buf; |
| 573 | return i + 1; |
| 574 | } |
| 575 | } |
| 576 | self->buf = (char *)realloc(self->buf, |
| 577 | (self->buf_size * 2) * sizeof(char)); |
| 578 | if (!self->buf) { |
| 579 | PyErr_NoMemory(); |
| 580 | return -1; |
| 581 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 582 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 583 | self->buf_size *= 2; |
| 584 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 585 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 586 | |
| 587 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 588 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 589 | read_cStringIO(Unpicklerobject *self, char **s, int n) |
| 590 | { |
| 591 | char *ptr; |
| 592 | |
| 593 | if (PycStringIO->cread((PyObject *)self->file, &ptr, n) != n) { |
| 594 | PyErr_SetNone(PyExc_EOFError); |
| 595 | return -1; |
| 596 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 597 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 598 | *s = ptr; |
| 599 | |
| 600 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 601 | } |
| 602 | |
| 603 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 604 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 605 | readline_cStringIO(Unpicklerobject *self, char **s) |
| 606 | { |
| 607 | int n; |
| 608 | char *ptr; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 609 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 610 | if ((n = PycStringIO->creadline((PyObject *)self->file, &ptr)) < 0) { |
| 611 | return -1; |
| 612 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 613 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 614 | *s = ptr; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 615 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 616 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 617 | } |
| 618 | |
| 619 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 620 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 621 | read_other(Unpicklerobject *self, char **s, int n) |
| 622 | { |
| 623 | PyObject *bytes, *str=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 624 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 625 | if (!( bytes = PyInt_FromLong(n))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 626 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 627 | ARG_TUP(self, bytes); |
| 628 | if (self->arg) { |
| 629 | str = PyObject_Call(self->read, self->arg, NULL); |
| 630 | FREE_ARG_TUP(self); |
| 631 | } |
| 632 | if (! str) return -1; |
| 633 | |
| 634 | Py_XDECREF(self->last_string); |
| 635 | self->last_string = str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 636 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 637 | if (! (*s = PyString_AsString(str))) return -1; |
| 638 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 639 | } |
| 640 | |
| 641 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 642 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 643 | readline_other(Unpicklerobject *self, char **s) |
| 644 | { |
| 645 | PyObject *str; |
| 646 | int str_size; |
| 647 | |
| 648 | if (!( str = PyObject_CallObject(self->readline, empty_tuple))) { |
| 649 | return -1; |
| 650 | } |
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 | if ((str_size = PyString_Size(str)) < 0) |
| 653 | return -1; |
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 | Py_XDECREF(self->last_string); |
| 656 | self->last_string = str; |
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 | if (! (*s = PyString_AsString(str))) |
| 659 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 660 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 661 | return str_size; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 662 | } |
| 663 | |
| 664 | |
| 665 | static char * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 666 | pystrndup(char *s, int l) |
| 667 | { |
| 668 | char *r; |
| 669 | if (!( r=malloc((l+1)*sizeof(char)))) return (char*)PyErr_NoMemory(); |
| 670 | memcpy(r,s,l); |
| 671 | r[l]=0; |
| 672 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 673 | } |
| 674 | |
| 675 | |
| 676 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 677 | get(Picklerobject *self, PyObject *id) |
| 678 | { |
| 679 | PyObject *value, *mv; |
| 680 | long c_value; |
| 681 | char s[30]; |
| 682 | size_t len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 683 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 684 | if (!( mv = PyDict_GetItem(self->memo, id))) { |
| 685 | PyErr_SetObject(PyExc_KeyError, id); |
| 686 | return -1; |
| 687 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 688 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 689 | if (!( value = PyTuple_GetItem(mv, 0))) |
| 690 | return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 691 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 692 | if (!( PyInt_Check(value))) { |
| 693 | PyErr_SetString(PicklingError, "no int where int expected in memo"); |
| 694 | return -1; |
| 695 | } |
| 696 | c_value = PyInt_AS_LONG((PyIntObject*)value); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 697 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 698 | if (!self->bin) { |
| 699 | s[0] = GET; |
| 700 | PyOS_snprintf(s + 1, sizeof(s) - 1, "%ld\n", c_value); |
| 701 | len = strlen(s); |
| 702 | } |
| 703 | else if (Pdata_Check(self->file)) { |
| 704 | if (write_other(self, NULL, 0) < 0) return -1; |
| 705 | PDATA_APPEND(self->file, mv, -1); |
| 706 | return 0; |
| 707 | } |
| 708 | else { |
| 709 | if (c_value < 256) { |
| 710 | s[0] = BINGET; |
| 711 | s[1] = (int)(c_value & 0xff); |
| 712 | len = 2; |
| 713 | } |
| 714 | else { |
| 715 | s[0] = LONG_BINGET; |
| 716 | s[1] = (int)(c_value & 0xff); |
| 717 | s[2] = (int)((c_value >> 8) & 0xff); |
| 718 | s[3] = (int)((c_value >> 16) & 0xff); |
| 719 | s[4] = (int)((c_value >> 24) & 0xff); |
| 720 | len = 5; |
| 721 | } |
| 722 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 723 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 724 | if ((*self->write_func)(self, s, len) < 0) |
| 725 | return -1; |
| 726 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 727 | return 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 728 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 729 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 730 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 731 | static int |
| 732 | put(Picklerobject *self, PyObject *ob) |
| 733 | { |
| 734 | if (ob->ob_refcnt < 2 || self->fast) |
| 735 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 736 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 737 | return put2(self, ob); |
| 738 | } |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 739 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 740 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 741 | static int |
| 742 | put2(Picklerobject *self, PyObject *ob) |
| 743 | { |
| 744 | char c_str[30]; |
| 745 | int p; |
| 746 | size_t len; |
| 747 | int res = -1; |
| 748 | PyObject *py_ob_id = 0, *memo_len = 0, *t = 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 749 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 750 | if (self->fast) |
| 751 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 752 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 753 | if ((p = PyDict_Size(self->memo)) < 0) |
| 754 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 755 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 756 | /* Make sure memo keys are positive! */ |
| 757 | p++; |
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 (!( py_ob_id = PyLong_FromVoidPtr(ob))) |
| 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 (!( memo_len = PyInt_FromLong(p))) |
| 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 | if (!( t = PyTuple_New(2))) |
| 766 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 767 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 768 | PyTuple_SET_ITEM(t, 0, memo_len); |
| 769 | Py_INCREF(memo_len); |
| 770 | PyTuple_SET_ITEM(t, 1, ob); |
| 771 | Py_INCREF(ob); |
| 772 | |
| 773 | if (PyDict_SetItem(self->memo, py_ob_id, t) < 0) |
| 774 | goto finally; |
| 775 | |
| 776 | if (!self->bin) { |
| 777 | c_str[0] = PUT; |
| 778 | PyOS_snprintf(c_str + 1, sizeof(c_str) - 1, "%d\n", p); |
| 779 | len = strlen(c_str); |
| 780 | } |
| 781 | else if (Pdata_Check(self->file)) { |
| 782 | if (write_other(self, NULL, 0) < 0) return -1; |
| 783 | PDATA_APPEND(self->file, memo_len, -1); |
| 784 | res=0; /* Job well done ;) */ |
| 785 | goto finally; |
| 786 | } |
| 787 | else { |
| 788 | if (p >= 256) { |
| 789 | c_str[0] = LONG_BINPUT; |
| 790 | c_str[1] = (int)(p & 0xff); |
| 791 | c_str[2] = (int)((p >> 8) & 0xff); |
| 792 | c_str[3] = (int)((p >> 16) & 0xff); |
| 793 | c_str[4] = (int)((p >> 24) & 0xff); |
| 794 | len = 5; |
| 795 | } |
| 796 | else { |
| 797 | c_str[0] = BINPUT; |
| 798 | c_str[1] = p; |
| 799 | len = 2; |
| 800 | } |
| 801 | } |
| 802 | |
| 803 | if ((*self->write_func)(self, c_str, len) < 0) |
| 804 | goto finally; |
| 805 | |
| 806 | res = 0; |
| 807 | |
| 808 | finally: |
| 809 | Py_XDECREF(py_ob_id); |
| 810 | Py_XDECREF(memo_len); |
| 811 | Py_XDECREF(t); |
| 812 | |
| 813 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 814 | } |
| 815 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 816 | #define PyImport_Import cPickle_Import |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 817 | |
| 818 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 819 | PyImport_Import(PyObject *module_name) |
| 820 | { |
| 821 | static PyObject *silly_list=0, *__builtins___str=0, *__import___str; |
| 822 | static PyObject *standard_builtins=0; |
| 823 | PyObject *globals=0, *__import__=0, *__builtins__=0, *r=0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 824 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 825 | if (!( silly_list )) { |
| 826 | if (!( __import___str=PyString_FromString("__import__"))) |
| 827 | return NULL; |
| 828 | if (!( __builtins___str=PyString_FromString("__builtins__"))) |
| 829 | return NULL; |
| 830 | if (!( silly_list=Py_BuildValue("[s]","__doc__"))) |
| 831 | return NULL; |
| 832 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 833 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 834 | if ((globals=PyEval_GetGlobals())) { |
| 835 | Py_INCREF(globals); |
| 836 | __builtins__=PyObject_GetItem(globals,__builtins___str); |
| 837 | if (!__builtins__) |
| 838 | goto err; |
| 839 | } |
| 840 | else { |
| 841 | PyErr_Clear(); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 842 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 843 | if (!(standard_builtins || |
| 844 | (standard_builtins=PyImport_ImportModule("__builtin__")))) |
| 845 | return NULL; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 846 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 847 | __builtins__=standard_builtins; |
| 848 | Py_INCREF(__builtins__); |
| 849 | globals = Py_BuildValue("{sO}", "__builtins__", __builtins__); |
| 850 | if (!globals) |
| 851 | goto err; |
| 852 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 853 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 854 | if (PyDict_Check(__builtins__)) { |
| 855 | __import__=PyObject_GetItem(__builtins__,__import___str); |
| 856 | if (!__import__) goto err; |
| 857 | } |
| 858 | else { |
| 859 | __import__=PyObject_GetAttr(__builtins__,__import___str); |
| 860 | if (!__import__) goto err; |
| 861 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 862 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 863 | r=PyObject_CallFunction(__import__,"OOOO", |
| 864 | module_name, globals, globals, silly_list); |
| 865 | if (!r) |
| 866 | goto err; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 867 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 868 | Py_DECREF(globals); |
| 869 | Py_DECREF(__builtins__); |
| 870 | Py_DECREF(__import__); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 871 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 872 | return r; |
| 873 | err: |
| 874 | Py_XDECREF(globals); |
| 875 | Py_XDECREF(__builtins__); |
| 876 | Py_XDECREF(__import__); |
| 877 | return NULL; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 878 | } |
| 879 | |
| 880 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 881 | whichmodule(PyObject *global, PyObject *global_name) |
| 882 | { |
| 883 | int i, j; |
| 884 | PyObject *module = 0, *modules_dict = 0, |
| 885 | *global_name_attr = 0, *name = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 886 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 887 | module = PyObject_GetAttrString(global, "__module__"); |
| 888 | if (module) return module; |
| 889 | PyErr_Clear(); |
Guido van Rossum | 4518823 | 1997-09-28 05:38:51 +0000 | [diff] [blame] | 890 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 891 | if (!( modules_dict = PySys_GetObject("modules"))) |
| 892 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 893 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 894 | i = 0; |
| 895 | while ((j = PyDict_Next(modules_dict, &i, &name, &module))) { |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 896 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 897 | if (PyObject_Compare(name, __main___str)==0) continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 898 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 899 | global_name_attr = PyObject_GetAttr(module, global_name); |
| 900 | if (!global_name_attr) { |
| 901 | PyErr_Clear(); |
| 902 | continue; |
| 903 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 904 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 905 | if (global_name_attr != global) { |
| 906 | Py_DECREF(global_name_attr); |
| 907 | continue; |
| 908 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 909 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 910 | Py_DECREF(global_name_attr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 911 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 912 | break; |
| 913 | } |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 914 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 915 | /* The following implements the rule in pickle.py added in 1.5 |
| 916 | that used __main__ if no module is found. I don't actually |
| 917 | like this rule. jlf |
| 918 | */ |
| 919 | if (!j) { |
| 920 | j=1; |
| 921 | name=__main___str; |
| 922 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 923 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 924 | Py_INCREF(name); |
| 925 | return name; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 926 | } |
| 927 | |
| 928 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 929 | static int |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 930 | fast_save_enter(Picklerobject *self, PyObject *obj) |
| 931 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 932 | /* if fast_container < 0, we're doing an error exit. */ |
| 933 | if (++self->fast_container >= PY_CPICKLE_FAST_LIMIT) { |
| 934 | PyObject *key = NULL; |
| 935 | if (self->fast_memo == NULL) { |
| 936 | self->fast_memo = PyDict_New(); |
| 937 | if (self->fast_memo == NULL) { |
| 938 | self->fast_container = -1; |
| 939 | return 0; |
| 940 | } |
| 941 | } |
| 942 | key = PyLong_FromVoidPtr(obj); |
| 943 | if (key == NULL) |
| 944 | return 0; |
| 945 | if (PyDict_GetItem(self->fast_memo, key)) { |
| 946 | PyErr_Format(PyExc_ValueError, |
| 947 | "fast mode: can't pickle cyclic objects including object type %s at %p", |
| 948 | obj->ob_type->tp_name, obj); |
| 949 | self->fast_container = -1; |
| 950 | return 0; |
| 951 | } |
| 952 | if (PyDict_SetItem(self->fast_memo, key, Py_None) < 0) { |
| 953 | self->fast_container = -1; |
| 954 | return 0; |
| 955 | } |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 956 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 957 | return 1; |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 958 | } |
| 959 | |
| 960 | int |
| 961 | fast_save_leave(Picklerobject *self, PyObject *obj) |
| 962 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 963 | if (self->fast_container-- >= PY_CPICKLE_FAST_LIMIT) { |
| 964 | PyObject *key = PyLong_FromVoidPtr(obj); |
| 965 | if (key == NULL) |
| 966 | return 0; |
| 967 | if (PyDict_DelItem(self->fast_memo, key) < 0) { |
| 968 | return 0; |
| 969 | } |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 970 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 971 | return 1; |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 972 | } |
| 973 | |
| 974 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 975 | save_none(Picklerobject *self, PyObject *args) |
| 976 | { |
| 977 | static char none = NONE; |
| 978 | if ((*self->write_func)(self, &none, 1) < 0) |
| 979 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 980 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 981 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 982 | } |
| 983 | |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame^] | 984 | static int |
| 985 | save_bool(Picklerobject *self, PyObject *args) |
| 986 | { |
| 987 | static char buf[2] = {FALSE, TRUE}; |
| 988 | long l = PyInt_AS_LONG((PyIntObject *)args); |
| 989 | |
| 990 | if ((*self->write_func)(self, buf + l, 1) < 0) |
| 991 | return -1; |
| 992 | |
| 993 | return 0; |
| 994 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 995 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 996 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 997 | save_int(Picklerobject *self, PyObject *args) |
| 998 | { |
| 999 | char c_str[32]; |
| 1000 | long l = PyInt_AS_LONG((PyIntObject *)args); |
| 1001 | int len = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1002 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1003 | if (!self->bin |
Guido van Rossum | de8d6d7 | 1997-05-13 18:00:44 +0000 | [diff] [blame] | 1004 | #if SIZEOF_LONG > 4 |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1005 | || l > 0x7fffffffL |
| 1006 | || l < -0x80000000L |
Guido van Rossum | de8d6d7 | 1997-05-13 18:00:44 +0000 | [diff] [blame] | 1007 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1008 | ) { |
| 1009 | /* Text-mode pickle, or long too big to fit in the 4-byte |
| 1010 | * signed BININT format: store as a string. |
| 1011 | */ |
| 1012 | c_str[0] = INT; |
| 1013 | PyOS_snprintf(c_str + 1, sizeof(c_str) - 1, "%ld\n", l); |
| 1014 | if ((*self->write_func)(self, c_str, strlen(c_str)) < 0) |
| 1015 | return -1; |
| 1016 | } |
| 1017 | else { |
| 1018 | /* Binary pickle and l fits in a signed 4-byte int. */ |
| 1019 | c_str[1] = (int)( l & 0xff); |
| 1020 | c_str[2] = (int)((l >> 8) & 0xff); |
| 1021 | c_str[3] = (int)((l >> 16) & 0xff); |
| 1022 | c_str[4] = (int)((l >> 24) & 0xff); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1023 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1024 | if ((c_str[4] == 0) && (c_str[3] == 0)) { |
| 1025 | if (c_str[2] == 0) { |
| 1026 | c_str[0] = BININT1; |
| 1027 | len = 2; |
| 1028 | } |
| 1029 | else { |
| 1030 | c_str[0] = BININT2; |
| 1031 | len = 3; |
| 1032 | } |
| 1033 | } |
| 1034 | else { |
| 1035 | c_str[0] = BININT; |
| 1036 | len = 5; |
| 1037 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1038 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1039 | if ((*self->write_func)(self, c_str, len) < 0) |
| 1040 | return -1; |
| 1041 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1042 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1043 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1044 | } |
| 1045 | |
| 1046 | |
| 1047 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1048 | save_long(Picklerobject *self, PyObject *args) |
| 1049 | { |
| 1050 | int size, res = -1; |
| 1051 | PyObject *repr = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1052 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1053 | static char l = LONG; |
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 (!( repr = PyObject_Repr(args))) |
| 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 | if ((size = PyString_Size(repr)) < 0) |
| 1059 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1060 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1061 | if ((*self->write_func)(self, &l, 1) < 0) |
| 1062 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1063 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1064 | if ((*self->write_func)(self, |
| 1065 | PyString_AS_STRING((PyStringObject *)repr), |
| 1066 | size) < 0) |
| 1067 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1068 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1069 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1070 | goto finally; |
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 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1073 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1074 | finally: |
| 1075 | Py_XDECREF(repr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1076 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1077 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1078 | } |
| 1079 | |
| 1080 | |
| 1081 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1082 | save_float(Picklerobject *self, PyObject *args) |
| 1083 | { |
| 1084 | double x = PyFloat_AS_DOUBLE((PyFloatObject *)args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1085 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1086 | if (self->bin) { |
| 1087 | int s, e; |
| 1088 | double f; |
| 1089 | long fhi, flo; |
| 1090 | char str[9]; |
| 1091 | unsigned char *p = (unsigned char *)str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1092 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1093 | *p = BINFLOAT; |
| 1094 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1095 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1096 | if (x < 0) { |
| 1097 | s = 1; |
| 1098 | x = -x; |
| 1099 | } |
| 1100 | else |
| 1101 | s = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1102 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1103 | f = frexp(x, &e); |
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 | /* Normalize f to be in the range [1.0, 2.0) */ |
| 1106 | if (0.5 <= f && f < 1.0) { |
| 1107 | f *= 2.0; |
| 1108 | e--; |
| 1109 | } |
| 1110 | else if (f == 0.0) { |
| 1111 | e = 0; |
| 1112 | } |
| 1113 | else { |
| 1114 | PyErr_SetString(PyExc_SystemError, |
| 1115 | "frexp() result out of range"); |
| 1116 | return -1; |
| 1117 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1118 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1119 | if (e >= 1024) { |
| 1120 | /* XXX 1024 itself is reserved for Inf/NaN */ |
| 1121 | PyErr_SetString(PyExc_OverflowError, |
| 1122 | "float too large to pack with d format"); |
| 1123 | return -1; |
| 1124 | } |
| 1125 | else if (e < -1022) { |
| 1126 | /* Gradual underflow */ |
| 1127 | f = ldexp(f, 1022 + e); |
| 1128 | e = 0; |
| 1129 | } |
| 1130 | else if (!(e == 0 && f == 0.0)) { |
| 1131 | e += 1023; |
| 1132 | f -= 1.0; /* Get rid of leading 1 */ |
| 1133 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1134 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1135 | /* fhi receives the high 28 bits; |
| 1136 | flo the low 24 bits (== 52 bits) */ |
| 1137 | f *= 268435456.0; /* 2**28 */ |
| 1138 | fhi = (long) floor(f); /* Truncate */ |
| 1139 | f -= (double)fhi; |
| 1140 | f *= 16777216.0; /* 2**24 */ |
| 1141 | flo = (long) floor(f + 0.5); /* Round */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1142 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1143 | /* First byte */ |
| 1144 | *p = (s<<7) | (e>>4); |
| 1145 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1146 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1147 | /* Second byte */ |
| 1148 | *p = (unsigned char) (((e&0xF)<<4) | (fhi>>24)); |
| 1149 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1150 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1151 | /* Third byte */ |
| 1152 | *p = (unsigned char) ((fhi>>16) & 0xFF); |
| 1153 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1154 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1155 | /* Fourth byte */ |
| 1156 | *p = (unsigned char) ((fhi>>8) & 0xFF); |
| 1157 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1158 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1159 | /* Fifth byte */ |
| 1160 | *p = (unsigned char) (fhi & 0xFF); |
| 1161 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1162 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1163 | /* Sixth byte */ |
| 1164 | *p = (unsigned char) ((flo>>16) & 0xFF); |
| 1165 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1166 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1167 | /* Seventh byte */ |
| 1168 | *p = (unsigned char) ((flo>>8) & 0xFF); |
| 1169 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1170 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1171 | /* Eighth byte */ |
| 1172 | *p = (unsigned char) (flo & 0xFF); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1173 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1174 | if ((*self->write_func)(self, str, 9) < 0) |
| 1175 | return -1; |
| 1176 | } |
| 1177 | else { |
| 1178 | char c_str[250]; |
| 1179 | c_str[0] = FLOAT; |
| 1180 | 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] | 1181 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1182 | if ((*self->write_func)(self, c_str, strlen(c_str)) < 0) |
| 1183 | return -1; |
| 1184 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1185 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1186 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1187 | } |
| 1188 | |
| 1189 | |
| 1190 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1191 | save_string(Picklerobject *self, PyObject *args, int doput) |
| 1192 | { |
| 1193 | int size, len; |
| 1194 | PyObject *repr=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1195 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1196 | if ((size = PyString_Size(args)) < 0) |
| 1197 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1198 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1199 | if (!self->bin) { |
| 1200 | char *repr_str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1201 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1202 | static char string = STRING; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1203 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1204 | if (!( repr = PyObject_Repr(args))) |
| 1205 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1206 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1207 | if ((len = PyString_Size(repr)) < 0) |
| 1208 | goto err; |
| 1209 | repr_str = PyString_AS_STRING((PyStringObject *)repr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1210 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1211 | if ((*self->write_func)(self, &string, 1) < 0) |
| 1212 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1213 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1214 | if ((*self->write_func)(self, repr_str, len) < 0) |
| 1215 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1216 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1217 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1218 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1219 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1220 | Py_XDECREF(repr); |
| 1221 | } |
| 1222 | else { |
| 1223 | int i; |
| 1224 | char c_str[5]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1225 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1226 | if ((size = PyString_Size(args)) < 0) |
| 1227 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1228 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1229 | if (size < 256) { |
| 1230 | c_str[0] = SHORT_BINSTRING; |
| 1231 | c_str[1] = size; |
| 1232 | len = 2; |
| 1233 | } |
| 1234 | else { |
| 1235 | c_str[0] = BINSTRING; |
| 1236 | for (i = 1; i < 5; i++) |
| 1237 | c_str[i] = (int)(size >> ((i - 1) * 8)); |
| 1238 | len = 5; |
| 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 ((*self->write_func)(self, c_str, len) < 0) |
| 1242 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1243 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1244 | if (size > 128 && Pdata_Check(self->file)) { |
| 1245 | if (write_other(self, NULL, 0) < 0) return -1; |
| 1246 | PDATA_APPEND(self->file, args, -1); |
| 1247 | } |
| 1248 | else { |
| 1249 | if ((*self->write_func)(self, |
| 1250 | PyString_AS_STRING((PyStringObject *)args), size) < 0) |
| 1251 | return -1; |
| 1252 | } |
| 1253 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1254 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1255 | if (doput) |
| 1256 | if (put(self, args) < 0) |
| 1257 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1258 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1259 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1260 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1261 | err: |
| 1262 | Py_XDECREF(repr); |
| 1263 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1264 | } |
| 1265 | |
| 1266 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1267 | #ifdef Py_USING_UNICODE |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1268 | /* A copy of PyUnicode_EncodeRawUnicodeEscape() that also translates |
| 1269 | backslash and newline characters to \uXXXX escapes. */ |
| 1270 | static PyObject * |
| 1271 | modified_EncodeRawUnicodeEscape(const Py_UNICODE *s, int size) |
| 1272 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1273 | PyObject *repr; |
| 1274 | char *p; |
| 1275 | char *q; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1276 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1277 | static const char *hexdigit = "0123456789ABCDEF"; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1278 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1279 | repr = PyString_FromStringAndSize(NULL, 6 * size); |
| 1280 | if (repr == NULL) |
| 1281 | return NULL; |
| 1282 | if (size == 0) |
| 1283 | return repr; |
| 1284 | |
| 1285 | p = q = PyString_AS_STRING(repr); |
| 1286 | while (size-- > 0) { |
| 1287 | Py_UNICODE ch = *s++; |
| 1288 | /* Map 16-bit characters to '\uxxxx' */ |
| 1289 | if (ch >= 256 || ch == '\\' || ch == '\n') { |
| 1290 | *p++ = '\\'; |
| 1291 | *p++ = 'u'; |
| 1292 | *p++ = hexdigit[(ch >> 12) & 0xf]; |
| 1293 | *p++ = hexdigit[(ch >> 8) & 0xf]; |
| 1294 | *p++ = hexdigit[(ch >> 4) & 0xf]; |
| 1295 | *p++ = hexdigit[ch & 15]; |
| 1296 | } |
| 1297 | /* Copy everything else as-is */ |
| 1298 | else |
| 1299 | *p++ = (char) ch; |
| 1300 | } |
| 1301 | *p = '\0'; |
| 1302 | if (_PyString_Resize(&repr, p - q)) |
| 1303 | goto onError; |
| 1304 | |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1305 | return repr; |
| 1306 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1307 | onError: |
| 1308 | Py_DECREF(repr); |
| 1309 | return NULL; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1310 | } |
| 1311 | |
| 1312 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1313 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1314 | save_unicode(Picklerobject *self, PyObject *args, int doput) |
| 1315 | { |
| 1316 | int size, len; |
| 1317 | PyObject *repr=0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1318 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1319 | if (!PyUnicode_Check(args)) |
| 1320 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1321 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1322 | if (!self->bin) { |
| 1323 | char *repr_str; |
| 1324 | static char string = UNICODE; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1325 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1326 | repr = modified_EncodeRawUnicodeEscape( |
| 1327 | PyUnicode_AS_UNICODE(args), PyUnicode_GET_SIZE(args)); |
| 1328 | if (!repr) |
| 1329 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1330 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1331 | if ((len = PyString_Size(repr)) < 0) |
| 1332 | goto err; |
| 1333 | repr_str = PyString_AS_STRING((PyStringObject *)repr); |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1334 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1335 | if ((*self->write_func)(self, &string, 1) < 0) |
| 1336 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1337 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1338 | if ((*self->write_func)(self, repr_str, len) < 0) |
| 1339 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1340 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1341 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1342 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1343 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1344 | Py_XDECREF(repr); |
| 1345 | } |
| 1346 | else { |
| 1347 | int i; |
| 1348 | char c_str[5]; |
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 (!( repr = PyUnicode_AsUTF8String(args))) |
| 1351 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1352 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1353 | if ((size = PyString_Size(repr)) < 0) |
| 1354 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1355 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1356 | c_str[0] = BINUNICODE; |
| 1357 | for (i = 1; i < 5; i++) |
| 1358 | c_str[i] = (int)(size >> ((i - 1) * 8)); |
| 1359 | len = 5; |
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 | if ((*self->write_func)(self, c_str, len) < 0) |
| 1362 | goto err; |
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 (size > 128 && Pdata_Check(self->file)) { |
| 1365 | if (write_other(self, NULL, 0) < 0) |
| 1366 | goto err; |
| 1367 | PDATA_APPEND(self->file, repr, -1); |
| 1368 | } |
| 1369 | else { |
| 1370 | if ((*self->write_func)(self, PyString_AS_STRING(repr), |
| 1371 | size) < 0) |
| 1372 | goto err; |
| 1373 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1374 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1375 | Py_DECREF(repr); |
| 1376 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1377 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1378 | if (doput) |
| 1379 | if (put(self, args) < 0) |
| 1380 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1381 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1382 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1383 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1384 | err: |
| 1385 | Py_XDECREF(repr); |
| 1386 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1387 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1388 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1389 | |
| 1390 | |
| 1391 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1392 | save_tuple(Picklerobject *self, PyObject *args) |
| 1393 | { |
| 1394 | PyObject *element = 0, *py_tuple_id = 0; |
| 1395 | int len, i, res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1396 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1397 | static char tuple = TUPLE; |
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 ((*self->write_func)(self, &MARKv, 1) < 0) |
| 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 = PyTuple_Size(args)) < 0) |
| 1403 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1404 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1405 | for (i = 0; i < len; i++) { |
| 1406 | if (!( element = PyTuple_GET_ITEM((PyTupleObject *)args, i))) |
| 1407 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1408 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1409 | if (save(self, element, 0) < 0) |
| 1410 | goto finally; |
| 1411 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1412 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1413 | if (!( py_tuple_id = PyLong_FromVoidPtr(args))) |
| 1414 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1415 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1416 | if (len) { |
| 1417 | if (PyDict_GetItem(self->memo, py_tuple_id)) { |
| 1418 | if (self->bin) { |
| 1419 | static char pop_mark = POP_MARK; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1420 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1421 | if ((*self->write_func)(self, &pop_mark, 1) < 0) |
| 1422 | goto finally; |
| 1423 | } |
| 1424 | else { |
| 1425 | static char pop = POP; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1426 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1427 | for (i = 0; i <= len; i++) { |
| 1428 | if ((*self->write_func)(self, &pop, 1) < 0) |
| 1429 | goto finally; |
| 1430 | } |
| 1431 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1432 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1433 | if (get(self, py_tuple_id) < 0) |
| 1434 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1435 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1436 | res = 0; |
| 1437 | goto finally; |
| 1438 | } |
| 1439 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1440 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1441 | if ((*self->write_func)(self, &tuple, 1) < 0) { |
| 1442 | goto finally; |
| 1443 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1444 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1445 | if (put(self, args) < 0) |
| 1446 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1447 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1448 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1449 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1450 | finally: |
| 1451 | Py_XDECREF(py_tuple_id); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1452 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1453 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1454 | } |
| 1455 | |
| 1456 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1457 | save_empty_tuple(Picklerobject *self, PyObject *args) |
| 1458 | { |
| 1459 | static char tuple = EMPTY_TUPLE; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1460 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1461 | return (*self->write_func)(self, &tuple, 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1462 | } |
| 1463 | |
| 1464 | |
| 1465 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1466 | save_list(Picklerobject *self, PyObject *args) |
| 1467 | { |
| 1468 | PyObject *element = 0; |
| 1469 | int s_len, len, i, using_appends, res = -1; |
| 1470 | char s[3]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1471 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1472 | static char append = APPEND, appends = APPENDS; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1473 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1474 | if (self->fast && !fast_save_enter(self, args)) |
| 1475 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1476 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1477 | if (self->bin) { |
| 1478 | s[0] = EMPTY_LIST; |
| 1479 | s_len = 1; |
| 1480 | } |
| 1481 | else { |
| 1482 | s[0] = MARK; |
| 1483 | s[1] = LIST; |
| 1484 | s_len = 2; |
| 1485 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1486 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1487 | if ((len = PyList_Size(args)) < 0) |
| 1488 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1489 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1490 | if ((*self->write_func)(self, s, s_len) < 0) |
| 1491 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1492 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1493 | if (len == 0) { |
| 1494 | if (put(self, args) < 0) |
| 1495 | goto finally; |
| 1496 | } |
| 1497 | else { |
| 1498 | if (put2(self, args) < 0) |
| 1499 | goto finally; |
| 1500 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1501 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1502 | if ((using_appends = (self->bin && (len > 1)))) |
| 1503 | if ((*self->write_func)(self, &MARKv, 1) < 0) |
| 1504 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1505 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1506 | for (i = 0; i < len; i++) { |
| 1507 | if (!( element = PyList_GET_ITEM((PyListObject *)args, i))) |
| 1508 | goto finally; |
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 | if (save(self, element, 0) < 0) |
| 1511 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1512 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1513 | if (!using_appends) { |
| 1514 | if ((*self->write_func)(self, &append, 1) < 0) |
| 1515 | goto finally; |
| 1516 | } |
| 1517 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1518 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1519 | if (using_appends) { |
| 1520 | if ((*self->write_func)(self, &appends, 1) < 0) |
| 1521 | goto finally; |
| 1522 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1523 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1524 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1525 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1526 | finally: |
| 1527 | if (self->fast && !fast_save_leave(self, args)) |
| 1528 | res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1529 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1530 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1531 | } |
| 1532 | |
| 1533 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1534 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1535 | save_dict(Picklerobject *self, PyObject *args) |
| 1536 | { |
| 1537 | PyObject *key = 0, *value = 0; |
| 1538 | int i, len, res = -1, using_setitems; |
| 1539 | char s[3]; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1540 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1541 | static char setitem = SETITEM, setitems = SETITEMS; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1542 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1543 | if (self->fast && !fast_save_enter(self, args)) |
| 1544 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1545 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1546 | if (self->bin) { |
| 1547 | s[0] = EMPTY_DICT; |
| 1548 | len = 1; |
| 1549 | } |
| 1550 | else { |
| 1551 | s[0] = MARK; |
| 1552 | s[1] = DICT; |
| 1553 | len = 2; |
| 1554 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1555 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1556 | if ((*self->write_func)(self, s, len) < 0) |
| 1557 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1558 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1559 | if ((len = PyDict_Size(args)) < 0) |
| 1560 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1561 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1562 | if (len == 0) { |
| 1563 | if (put(self, args) < 0) |
| 1564 | goto finally; |
| 1565 | } |
| 1566 | else { |
| 1567 | if (put2(self, args) < 0) |
| 1568 | goto finally; |
| 1569 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1570 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1571 | if ((using_setitems = (self->bin && (PyDict_Size(args) > 1)))) |
| 1572 | if ((*self->write_func)(self, &MARKv, 1) < 0) |
| 1573 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1574 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1575 | i = 0; |
| 1576 | while (PyDict_Next(args, &i, &key, &value)) { |
| 1577 | if (save(self, key, 0) < 0) |
| 1578 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1579 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1580 | if (save(self, value, 0) < 0) |
| 1581 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1582 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1583 | if (!using_setitems) { |
| 1584 | if ((*self->write_func)(self, &setitem, 1) < 0) |
| 1585 | goto finally; |
| 1586 | } |
| 1587 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1588 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1589 | if (using_setitems) { |
| 1590 | if ((*self->write_func)(self, &setitems, 1) < 0) |
| 1591 | goto finally; |
| 1592 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1593 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1594 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1595 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1596 | finally: |
| 1597 | if (self->fast && !fast_save_leave(self, args)) |
| 1598 | res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1599 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1600 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1601 | } |
| 1602 | |
| 1603 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1604 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1605 | save_inst(Picklerobject *self, PyObject *args) |
| 1606 | { |
| 1607 | PyObject *class = 0, *module = 0, *name = 0, *state = 0, |
| 1608 | *getinitargs_func = 0, *getstate_func = 0, *class_args = 0; |
| 1609 | char *module_str, *name_str; |
| 1610 | int module_size, name_size, res = -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1611 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1612 | static char inst = INST, obj = OBJ, build = BUILD; |
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 (self->fast && !fast_save_enter(self, args)) |
| 1615 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1616 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1617 | if ((*self->write_func)(self, &MARKv, 1) < 0) |
| 1618 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1619 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1620 | if (!( class = PyObject_GetAttr(args, __class___str))) |
| 1621 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1622 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1623 | if (self->bin) { |
| 1624 | if (save(self, class, 0) < 0) |
| 1625 | goto finally; |
| 1626 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1627 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1628 | if ((getinitargs_func = PyObject_GetAttr(args, __getinitargs___str))) { |
| 1629 | PyObject *element = 0; |
| 1630 | int i, len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1631 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1632 | if (!( class_args = |
| 1633 | PyObject_Call(getinitargs_func, empty_tuple, NULL))) |
| 1634 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1635 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1636 | if ((len = PyObject_Size(class_args)) < 0) |
| 1637 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1638 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1639 | for (i = 0; i < len; i++) { |
| 1640 | if (!( element = PySequence_GetItem(class_args, i))) |
| 1641 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1642 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1643 | if (save(self, element, 0) < 0) { |
| 1644 | Py_DECREF(element); |
| 1645 | goto finally; |
| 1646 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1647 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1648 | Py_DECREF(element); |
| 1649 | } |
| 1650 | } |
| 1651 | else { |
| 1652 | PyErr_Clear(); |
| 1653 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1654 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1655 | if (!self->bin) { |
| 1656 | if (!( name = ((PyClassObject *)class)->cl_name )) { |
| 1657 | PyErr_SetString(PicklingError, "class has no name"); |
| 1658 | goto finally; |
| 1659 | } |
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 (!( module = whichmodule(class, name))) |
| 1662 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1663 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1664 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1665 | if ((module_size = PyString_Size(module)) < 0 || |
| 1666 | (name_size = PyString_Size(name)) < 0) |
| 1667 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1668 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1669 | module_str = PyString_AS_STRING((PyStringObject *)module); |
| 1670 | name_str = PyString_AS_STRING((PyStringObject *)name); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1671 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1672 | if ((*self->write_func)(self, &inst, 1) < 0) |
| 1673 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1674 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1675 | if ((*self->write_func)(self, module_str, module_size) < 0) |
| 1676 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1677 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1678 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1679 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1680 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1681 | if ((*self->write_func)(self, name_str, name_size) < 0) |
| 1682 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1683 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1684 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1685 | goto finally; |
| 1686 | } |
| 1687 | else if ((*self->write_func)(self, &obj, 1) < 0) { |
| 1688 | goto finally; |
| 1689 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1690 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1691 | if ((getstate_func = PyObject_GetAttr(args, __getstate___str))) { |
| 1692 | state = PyObject_Call(getstate_func, empty_tuple, NULL); |
| 1693 | if (!state) |
| 1694 | goto finally; |
| 1695 | } |
| 1696 | else { |
| 1697 | PyErr_Clear(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1698 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1699 | if (!( state = PyObject_GetAttr(args, __dict___str))) { |
| 1700 | PyErr_Clear(); |
| 1701 | res = 0; |
| 1702 | goto finally; |
| 1703 | } |
| 1704 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1705 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1706 | if (!PyDict_Check(state)) { |
| 1707 | if (put2(self, args) < 0) |
| 1708 | goto finally; |
| 1709 | } |
| 1710 | else { |
| 1711 | if (put(self, args) < 0) |
| 1712 | goto finally; |
| 1713 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1714 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1715 | if (save(self, state, 0) < 0) |
| 1716 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1717 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1718 | if ((*self->write_func)(self, &build, 1) < 0) |
| 1719 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1720 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1721 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1722 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1723 | finally: |
| 1724 | if (self->fast && !fast_save_leave(self, args)) |
| 1725 | res = -1; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1726 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1727 | Py_XDECREF(module); |
| 1728 | Py_XDECREF(class); |
| 1729 | Py_XDECREF(state); |
| 1730 | Py_XDECREF(getinitargs_func); |
| 1731 | Py_XDECREF(getstate_func); |
| 1732 | Py_XDECREF(class_args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1733 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1734 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1735 | } |
| 1736 | |
| 1737 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1738 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1739 | save_global(Picklerobject *self, PyObject *args, PyObject *name) |
| 1740 | { |
| 1741 | PyObject *global_name = 0, *module = 0, *mod = 0, *moddict = 0, *klass = 0; |
| 1742 | char *name_str, *module_str; |
| 1743 | int module_size, name_size, res = -1; |
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 | static char global = GLOBAL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1746 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1747 | if (name) { |
| 1748 | global_name = name; |
| 1749 | Py_INCREF(global_name); |
| 1750 | } |
| 1751 | else { |
| 1752 | if (!( global_name = PyObject_GetAttr(args, __name___str))) |
| 1753 | goto finally; |
| 1754 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1755 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1756 | if (!( module = whichmodule(args, global_name))) |
| 1757 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1758 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1759 | if ((module_size = PyString_Size(module)) < 0 || |
| 1760 | (name_size = PyString_Size(global_name)) < 0) |
| 1761 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1762 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1763 | module_str = PyString_AS_STRING((PyStringObject *)module); |
| 1764 | name_str = PyString_AS_STRING((PyStringObject *)global_name); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1765 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1766 | mod = PyImport_ImportModule(module_str); |
| 1767 | if (mod == NULL) { |
| 1768 | /* Py_ErrClear(); ?? */ |
| 1769 | cPickle_ErrFormat(PicklingError, |
| 1770 | "Can't pickle %s: it's not found as %s.%s", |
| 1771 | "OSS", args, module, global_name); |
| 1772 | goto finally; |
| 1773 | } |
| 1774 | /* borrowed ref */ |
| 1775 | moddict = PyModule_GetDict(mod); |
| 1776 | /* borrowed ref */ |
| 1777 | klass = PyDict_GetItemString(moddict, name_str); |
| 1778 | if (klass == NULL) { |
| 1779 | cPickle_ErrFormat(PicklingError, |
| 1780 | "Can't pickle %s: it's not found as %s.%s", |
| 1781 | "OSS", args, module, global_name); |
| 1782 | goto finally; |
| 1783 | } |
| 1784 | if (klass != args) { |
| 1785 | cPickle_ErrFormat(PicklingError, |
| 1786 | "Can't pickle %s: it's not the same object as %s.%s", |
| 1787 | "OSS", args, module, global_name); |
| 1788 | goto finally; |
| 1789 | } |
Guido van Rossum | a92d16a | 2001-08-18 21:22:07 +0000 | [diff] [blame] | 1790 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1791 | if ((*self->write_func)(self, &global, 1) < 0) |
| 1792 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1793 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1794 | if ((*self->write_func)(self, module_str, module_size) < 0) |
| 1795 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1796 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1797 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1798 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1799 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1800 | if ((*self->write_func)(self, name_str, name_size) < 0) |
| 1801 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1802 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1803 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1804 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1805 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1806 | if (put(self, args) < 0) |
| 1807 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1808 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1809 | res = 0; |
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 | finally: |
| 1812 | Py_XDECREF(module); |
| 1813 | Py_XDECREF(global_name); |
| 1814 | Py_XDECREF(mod); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1815 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1816 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1817 | } |
| 1818 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1819 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1820 | save_pers(Picklerobject *self, PyObject *args, PyObject *f) |
| 1821 | { |
| 1822 | PyObject *pid = 0; |
| 1823 | int size, res = -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1824 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1825 | static char persid = PERSID, binpersid = BINPERSID; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1826 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1827 | Py_INCREF(args); |
| 1828 | ARG_TUP(self, args); |
| 1829 | if (self->arg) { |
| 1830 | pid = PyObject_Call(f, self->arg, NULL); |
| 1831 | FREE_ARG_TUP(self); |
| 1832 | } |
| 1833 | if (! pid) return -1; |
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 (pid != Py_None) { |
| 1836 | if (!self->bin) { |
| 1837 | if (!PyString_Check(pid)) { |
| 1838 | PyErr_SetString(PicklingError, |
| 1839 | "persistent id must be string"); |
| 1840 | goto finally; |
| 1841 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1842 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1843 | if ((*self->write_func)(self, &persid, 1) < 0) |
| 1844 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1845 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1846 | if ((size = PyString_Size(pid)) < 0) |
| 1847 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1848 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1849 | if ((*self->write_func)(self, |
| 1850 | PyString_AS_STRING((PyStringObject *)pid), size) < 0) |
| 1851 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1852 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1853 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1854 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1855 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1856 | res = 1; |
| 1857 | goto finally; |
| 1858 | } |
| 1859 | else if (save(self, pid, 1) >= 0) { |
| 1860 | if ((*self->write_func)(self, &binpersid, 1) < 0) |
| 1861 | res = -1; |
| 1862 | else |
| 1863 | res = 1; |
| 1864 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1865 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1866 | goto finally; |
| 1867 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1868 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1869 | res = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1870 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1871 | finally: |
| 1872 | Py_XDECREF(pid); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1873 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1874 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1875 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1876 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1877 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1878 | static int |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1879 | save_reduce(Picklerobject *self, PyObject *callable, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1880 | PyObject *tup, PyObject *state, PyObject *ob) |
| 1881 | { |
| 1882 | static char reduce = REDUCE, build = BUILD; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1883 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1884 | if (save(self, callable, 0) < 0) |
| 1885 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1886 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1887 | if (save(self, tup, 0) < 0) |
| 1888 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1889 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1890 | if ((*self->write_func)(self, &reduce, 1) < 0) |
| 1891 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1892 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1893 | if (ob != NULL) { |
| 1894 | if (state && !PyDict_Check(state)) { |
| 1895 | if (put2(self, ob) < 0) |
| 1896 | return -1; |
| 1897 | } |
| 1898 | else { |
| 1899 | if (put(self, ob) < 0) |
| 1900 | return -1; |
| 1901 | } |
| 1902 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1903 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1904 | if (state) { |
| 1905 | if (save(self, state, 0) < 0) |
| 1906 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1907 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1908 | if ((*self->write_func)(self, &build, 1) < 0) |
| 1909 | return -1; |
| 1910 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1911 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1912 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1913 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1914 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1915 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1916 | save(Picklerobject *self, PyObject *args, int pers_save) |
| 1917 | { |
| 1918 | PyTypeObject *type; |
| 1919 | PyObject *py_ob_id = 0, *__reduce__ = 0, *t = 0, *arg_tup = 0, |
| 1920 | *callable = 0, *state = 0; |
| 1921 | int res = -1, tmp, size; |
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 | if (!pers_save && self->pers_func) { |
| 1924 | if ((tmp = save_pers(self, args, self->pers_func)) != 0) { |
| 1925 | res = tmp; |
| 1926 | goto finally; |
| 1927 | } |
| 1928 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1929 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1930 | if (args == Py_None) { |
| 1931 | res = save_none(self, args); |
| 1932 | goto finally; |
| 1933 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1934 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1935 | type = args->ob_type; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1936 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1937 | switch (type->tp_name[0]) { |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame^] | 1938 | case 'b': |
| 1939 | if (args == Py_False || args == Py_True) { |
| 1940 | res = save_bool(self, args); |
| 1941 | goto finally; |
| 1942 | } |
| 1943 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1944 | case 'i': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1945 | if (type == &PyInt_Type) { |
| 1946 | res = save_int(self, args); |
| 1947 | goto finally; |
| 1948 | } |
| 1949 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1950 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1951 | case 'l': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1952 | if (type == &PyLong_Type) { |
| 1953 | res = save_long(self, args); |
| 1954 | goto finally; |
| 1955 | } |
| 1956 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1957 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1958 | case 'f': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1959 | if (type == &PyFloat_Type) { |
| 1960 | res = save_float(self, args); |
| 1961 | goto finally; |
| 1962 | } |
| 1963 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1964 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1965 | case 't': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1966 | if (type == &PyTuple_Type && PyTuple_Size(args)==0) { |
| 1967 | if (self->bin) res = save_empty_tuple(self, args); |
| 1968 | else res = save_tuple(self, args); |
| 1969 | goto finally; |
| 1970 | } |
| 1971 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1972 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1973 | case 's': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1974 | if ((type == &PyString_Type) && (PyString_GET_SIZE(args) < 2)) { |
| 1975 | res = save_string(self, args, 0); |
| 1976 | goto finally; |
| 1977 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1978 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1979 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1980 | case 'u': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1981 | if ((type == &PyUnicode_Type) && (PyString_GET_SIZE(args) < 2)) { |
| 1982 | res = save_unicode(self, args, 0); |
| 1983 | goto finally; |
| 1984 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1985 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1986 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1987 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1988 | if (args->ob_refcnt > 1) { |
| 1989 | if (!( py_ob_id = PyLong_FromVoidPtr(args))) |
| 1990 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1991 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1992 | if (PyDict_GetItem(self->memo, py_ob_id)) { |
| 1993 | if (get(self, py_ob_id) < 0) |
| 1994 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1995 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1996 | res = 0; |
| 1997 | goto finally; |
| 1998 | } |
| 1999 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2000 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2001 | switch (type->tp_name[0]) { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2002 | case 's': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2003 | if (type == &PyString_Type) { |
| 2004 | res = save_string(self, args, 1); |
| 2005 | goto finally; |
| 2006 | } |
| 2007 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2008 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2009 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2010 | case 'u': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2011 | if (type == &PyUnicode_Type) { |
| 2012 | res = save_unicode(self, args, 1); |
| 2013 | goto finally; |
| 2014 | } |
| 2015 | break; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2016 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2017 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2018 | case 't': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2019 | if (type == &PyTuple_Type) { |
| 2020 | res = save_tuple(self, args); |
| 2021 | goto finally; |
| 2022 | } |
| 2023 | if (type == &PyType_Type) { |
| 2024 | res = save_global(self, args, NULL); |
| 2025 | goto finally; |
| 2026 | } |
| 2027 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2028 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2029 | case 'l': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2030 | if (type == &PyList_Type) { |
| 2031 | res = save_list(self, args); |
| 2032 | goto finally; |
| 2033 | } |
| 2034 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2035 | |
| 2036 | case 'd': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2037 | if (type == &PyDict_Type) { |
| 2038 | res = save_dict(self, args); |
| 2039 | goto finally; |
| 2040 | } |
| 2041 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2042 | |
| 2043 | case 'i': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2044 | if (type == &PyInstance_Type) { |
| 2045 | res = save_inst(self, args); |
| 2046 | goto finally; |
| 2047 | } |
| 2048 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2049 | |
| 2050 | case 'c': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2051 | if (type == &PyClass_Type) { |
| 2052 | res = save_global(self, args, NULL); |
| 2053 | goto finally; |
| 2054 | } |
| 2055 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2056 | |
| 2057 | case 'f': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2058 | if (type == &PyFunction_Type) { |
| 2059 | res = save_global(self, args, NULL); |
| 2060 | goto finally; |
| 2061 | } |
| 2062 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2063 | |
| 2064 | case 'b': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2065 | if (type == &PyCFunction_Type) { |
| 2066 | res = save_global(self, args, NULL); |
| 2067 | goto finally; |
| 2068 | } |
| 2069 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2070 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2071 | if (PyType_IsSubtype(type, &PyType_Type)) { |
| 2072 | res = save_global(self, args, NULL); |
| 2073 | goto finally; |
| 2074 | } |
Guido van Rossum | 950dce6 | 2001-12-19 16:56:54 +0000 | [diff] [blame] | 2075 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2076 | if (!pers_save && self->inst_pers_func) { |
| 2077 | if ((tmp = save_pers(self, args, self->inst_pers_func)) != 0) { |
| 2078 | res = tmp; |
| 2079 | goto finally; |
| 2080 | } |
| 2081 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2082 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2083 | if ((__reduce__ = PyDict_GetItem(dispatch_table, (PyObject *)type))) { |
| 2084 | Py_INCREF(__reduce__); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2085 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2086 | Py_INCREF(args); |
| 2087 | ARG_TUP(self, args); |
| 2088 | if (self->arg) { |
| 2089 | t = PyObject_Call(__reduce__, self->arg, NULL); |
| 2090 | FREE_ARG_TUP(self); |
| 2091 | } |
| 2092 | if (! t) goto finally; |
| 2093 | } |
| 2094 | else { |
| 2095 | PyErr_Clear(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2096 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2097 | if ((__reduce__ = PyObject_GetAttr(args, __reduce___str))) { |
| 2098 | t = PyObject_Call(__reduce__, empty_tuple, NULL); |
| 2099 | if (!t) |
| 2100 | goto finally; |
| 2101 | } |
| 2102 | else { |
| 2103 | PyErr_Clear(); |
| 2104 | } |
| 2105 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2106 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2107 | if (t) { |
| 2108 | if (PyString_Check(t)) { |
| 2109 | res = save_global(self, args, t); |
| 2110 | goto finally; |
| 2111 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2112 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2113 | if (!PyTuple_Check(t)) { |
| 2114 | cPickle_ErrFormat(PicklingError, "Value returned by %s must " |
| 2115 | "be a tuple", "O", __reduce__); |
| 2116 | goto finally; |
| 2117 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2118 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2119 | size = PyTuple_Size(t); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2120 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2121 | if ((size != 3) && (size != 2)) { |
| 2122 | cPickle_ErrFormat(PicklingError, "tuple returned by %s must " |
| 2123 | "contain only two or three elements", "O", __reduce__); |
| 2124 | goto finally; |
| 2125 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2126 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2127 | callable = PyTuple_GET_ITEM(t, 0); |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 2128 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2129 | arg_tup = PyTuple_GET_ITEM(t, 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2130 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2131 | if (size > 2) { |
| 2132 | state = PyTuple_GET_ITEM(t, 2); |
| 2133 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2134 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2135 | if (!( PyTuple_Check(arg_tup) || arg_tup==Py_None )) { |
| 2136 | cPickle_ErrFormat(PicklingError, "Second element of tuple " |
| 2137 | "returned by %s must be a tuple", "O", __reduce__); |
| 2138 | goto finally; |
| 2139 | } |
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 | res = save_reduce(self, callable, arg_tup, state, args); |
| 2142 | goto finally; |
| 2143 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2144 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2145 | PyErr_SetObject(UnpickleableError, args); |
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 | finally: |
| 2148 | Py_XDECREF(py_ob_id); |
| 2149 | Py_XDECREF(__reduce__); |
| 2150 | Py_XDECREF(t); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2151 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2152 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2153 | } |
| 2154 | |
| 2155 | |
| 2156 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2157 | dump(Picklerobject *self, PyObject *args) |
| 2158 | { |
| 2159 | static char stop = STOP; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2160 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2161 | if (save(self, args, 0) < 0) |
| 2162 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2163 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2164 | if ((*self->write_func)(self, &stop, 1) < 0) |
| 2165 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2166 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2167 | if ((*self->write_func)(self, NULL, 0) < 0) |
| 2168 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2169 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2170 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2171 | } |
| 2172 | |
| 2173 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2174 | Pickle_clear_memo(Picklerobject *self, PyObject *args) |
| 2175 | { |
| 2176 | if (!PyArg_ParseTuple(args,":clear_memo")) |
| 2177 | return NULL; |
| 2178 | if (self->memo) |
| 2179 | PyDict_Clear(self->memo); |
| 2180 | Py_INCREF(Py_None); |
| 2181 | return Py_None; |
| 2182 | } |
| 2183 | |
| 2184 | static PyObject * |
| 2185 | Pickle_getvalue(Picklerobject *self, PyObject *args) |
| 2186 | { |
| 2187 | int l, i, rsize, ssize, clear=1, lm; |
| 2188 | long ik; |
| 2189 | PyObject *k, *r; |
| 2190 | char *s, *p, *have_get; |
| 2191 | Pdata *data; |
| 2192 | |
| 2193 | /* Can be called by Python code or C code */ |
| 2194 | if (args && !PyArg_ParseTuple(args, "|i:getvalue", &clear)) |
| 2195 | return NULL; |
| 2196 | |
| 2197 | /* Check to make sure we are based on a list */ |
| 2198 | if (! Pdata_Check(self->file)) { |
| 2199 | PyErr_SetString(PicklingError, |
| 2200 | "Attempt to getvalue() a non-list-based pickler"); |
| 2201 | return NULL; |
| 2202 | } |
| 2203 | |
| 2204 | /* flush write buffer */ |
| 2205 | if (write_other(self, NULL, 0) < 0) return NULL; |
| 2206 | |
| 2207 | data=(Pdata*)self->file; |
| 2208 | l=data->length; |
| 2209 | |
| 2210 | /* set up an array to hold get/put status */ |
| 2211 | if ((lm=PyDict_Size(self->memo)) < 0) return NULL; |
| 2212 | lm++; |
| 2213 | if (! (have_get=malloc((lm)*sizeof(char)))) return PyErr_NoMemory(); |
| 2214 | memset(have_get,0,lm); |
| 2215 | |
| 2216 | /* Scan for gets. */ |
| 2217 | for (rsize=0, i=l; --i >= 0; ) { |
| 2218 | k=data->data[i]; |
| 2219 | |
| 2220 | if (PyString_Check(k)) { |
| 2221 | rsize += PyString_GET_SIZE(k); |
| 2222 | } |
| 2223 | |
| 2224 | else if (PyInt_Check(k)) { /* put */ |
| 2225 | ik=PyInt_AS_LONG((PyIntObject*)k); |
| 2226 | if (ik >= lm || ik==0) { |
| 2227 | PyErr_SetString(PicklingError, |
| 2228 | "Invalid get data"); |
| 2229 | return NULL; |
| 2230 | } |
| 2231 | if (have_get[ik]) { /* with matching get */ |
| 2232 | if (ik < 256) rsize += 2; |
| 2233 | else rsize+=5; |
| 2234 | } |
| 2235 | } |
| 2236 | |
| 2237 | else if (! (PyTuple_Check(k) && |
| 2238 | PyTuple_GET_SIZE(k) == 2 && |
| 2239 | PyInt_Check((k=PyTuple_GET_ITEM(k,0)))) |
| 2240 | ) { |
| 2241 | PyErr_SetString(PicklingError, |
| 2242 | "Unexpected data in internal list"); |
| 2243 | return NULL; |
| 2244 | } |
| 2245 | |
| 2246 | else { /* put */ |
| 2247 | ik=PyInt_AS_LONG((PyIntObject*)k); |
| 2248 | if (ik >= lm || ik==0) { |
| 2249 | PyErr_SetString(PicklingError, |
| 2250 | "Invalid get data"); |
| 2251 | return NULL; |
| 2252 | } |
| 2253 | have_get[ik]=1; |
| 2254 | if (ik < 256) rsize += 2; |
| 2255 | else rsize+=5; |
| 2256 | } |
| 2257 | |
| 2258 | } |
| 2259 | |
| 2260 | /* Now generate the result */ |
| 2261 | if (!( r=PyString_FromStringAndSize(NULL,rsize))) goto err; |
| 2262 | s=PyString_AS_STRING((PyStringObject*)r); |
| 2263 | |
| 2264 | for (i=0; i<l; i++) { |
| 2265 | k=data->data[i]; |
| 2266 | |
| 2267 | if (PyString_Check(k)) { |
| 2268 | ssize=PyString_GET_SIZE(k); |
| 2269 | if (ssize) { |
| 2270 | p=PyString_AS_STRING((PyStringObject*)k); |
| 2271 | while (--ssize >= 0) *s++=*p++; |
| 2272 | } |
| 2273 | } |
| 2274 | |
| 2275 | else if (PyTuple_Check(k)) { /* get */ |
| 2276 | ik=PyInt_AS_LONG((PyIntObject*)PyTuple_GET_ITEM(k,0)); |
| 2277 | if (ik < 256) { |
| 2278 | *s++ = BINGET; |
| 2279 | *s++ = (int)(ik & 0xff); |
| 2280 | } |
| 2281 | else { |
| 2282 | *s++ = LONG_BINGET; |
| 2283 | *s++ = (int)(ik & 0xff); |
| 2284 | *s++ = (int)((ik >> 8) & 0xff); |
| 2285 | *s++ = (int)((ik >> 16) & 0xff); |
| 2286 | *s++ = (int)((ik >> 24) & 0xff); |
| 2287 | } |
| 2288 | } |
| 2289 | |
| 2290 | else { /* put */ |
| 2291 | ik=PyInt_AS_LONG((PyIntObject*)k); |
| 2292 | |
| 2293 | if (have_get[ik]) { /* with matching get */ |
| 2294 | if (ik < 256) { |
| 2295 | *s++ = BINPUT; |
| 2296 | *s++ = (int)(ik & 0xff); |
| 2297 | } |
| 2298 | else { |
| 2299 | *s++ = LONG_BINPUT; |
| 2300 | *s++ = (int)(ik & 0xff); |
| 2301 | *s++ = (int)((ik >> 8) & 0xff); |
| 2302 | *s++ = (int)((ik >> 16) & 0xff); |
| 2303 | *s++ = (int)((ik >> 24) & 0xff); |
| 2304 | } |
| 2305 | } |
| 2306 | } |
| 2307 | |
| 2308 | } |
| 2309 | |
| 2310 | if (clear) { |
| 2311 | PyDict_Clear(self->memo); |
| 2312 | Pdata_clear(data,0); |
| 2313 | } |
| 2314 | |
| 2315 | free(have_get); |
| 2316 | return r; |
| 2317 | err: |
| 2318 | free(have_get); |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2319 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2320 | } |
| 2321 | |
| 2322 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2323 | Pickler_dump(Picklerobject *self, PyObject *args) |
| 2324 | { |
| 2325 | PyObject *ob; |
| 2326 | int get=0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2327 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2328 | if (!( PyArg_ParseTuple(args, "O|i:dump", &ob, &get))) |
| 2329 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2330 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2331 | if (dump(self, ob) < 0) |
| 2332 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2333 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2334 | if (get) return Pickle_getvalue(self, NULL); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2335 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2336 | /* XXX Why does dump() return self? */ |
| 2337 | Py_INCREF(self); |
| 2338 | return (PyObject*)self; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2339 | } |
| 2340 | |
| 2341 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2342 | static struct PyMethodDef Pickler_methods[] = |
| 2343 | { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 2344 | {"dump", (PyCFunction)Pickler_dump, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2345 | "dump(object) --" |
| 2346 | "Write an object in pickle format to the object's pickle stream\n" |
| 2347 | }, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 2348 | {"clear_memo", (PyCFunction)Pickle_clear_memo, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2349 | "clear_memo() -- Clear the picklers memo"}, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 2350 | {"getvalue", (PyCFunction)Pickle_getvalue, METH_VARARGS, |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2351 | "getvalue() -- Finish picking a list-based pickle"}, |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2352 | {NULL, NULL} /* sentinel */ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2353 | }; |
| 2354 | |
| 2355 | |
| 2356 | static Picklerobject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2357 | newPicklerobject(PyObject *file, int bin) |
| 2358 | { |
| 2359 | Picklerobject *self; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2360 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2361 | if (!( self = PyObject_New(Picklerobject, &Picklertype))) |
| 2362 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2363 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2364 | self->fp = NULL; |
| 2365 | self->write = NULL; |
| 2366 | self->memo = NULL; |
| 2367 | self->arg = NULL; |
| 2368 | self->pers_func = NULL; |
| 2369 | self->inst_pers_func = NULL; |
| 2370 | self->write_buf = NULL; |
| 2371 | self->bin = bin; |
| 2372 | self->fast = 0; |
| 2373 | self->fast_container = 0; |
| 2374 | self->fast_memo = NULL; |
| 2375 | self->buf_size = 0; |
| 2376 | self->dispatch_table = NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2377 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2378 | if (file) |
| 2379 | Py_INCREF(file); |
| 2380 | else |
| 2381 | file=Pdata_New(); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2382 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2383 | if (!( self->file = file )) |
| 2384 | goto err; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2385 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2386 | if (!( self->memo = PyDict_New())) |
| 2387 | goto err; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2388 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2389 | if (PyFile_Check(file)) { |
| 2390 | self->fp = PyFile_AsFile(file); |
| 2391 | if (self->fp == NULL) { |
| 2392 | PyErr_SetString(PyExc_ValueError, "I/O operation on closed file"); |
| 2393 | goto err; |
| 2394 | } |
| 2395 | self->write_func = write_file; |
Guido van Rossum | c91fcaa | 1999-03-29 20:00:14 +0000 | [diff] [blame] | 2396 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2397 | else if (PycStringIO_OutputCheck(file)) { |
| 2398 | self->write_func = write_cStringIO; |
| 2399 | } |
| 2400 | else if (file == Py_None) { |
| 2401 | self->write_func = write_none; |
| 2402 | } |
| 2403 | else { |
| 2404 | self->write_func = write_other; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2405 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2406 | if (! Pdata_Check(file)) { |
| 2407 | self->write = PyObject_GetAttr(file, write_str); |
| 2408 | if (!self->write) { |
| 2409 | PyErr_Clear(); |
| 2410 | PyErr_SetString(PyExc_TypeError, |
| 2411 | "argument must have 'write' " |
| 2412 | "attribute"); |
| 2413 | goto err; |
| 2414 | } |
| 2415 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2416 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2417 | if (!( self->write_buf = |
| 2418 | (char *)malloc(WRITE_BUF_SIZE * sizeof(char)))) { |
| 2419 | PyErr_NoMemory(); |
| 2420 | goto err; |
| 2421 | } |
| 2422 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2423 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2424 | if (PyEval_GetRestricted()) { |
| 2425 | /* Restricted execution, get private tables */ |
| 2426 | PyObject *m; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2427 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2428 | if (!( m=PyImport_Import(copy_reg_str))) goto err; |
| 2429 | self->dispatch_table=PyObject_GetAttr(m, dispatch_table_str); |
| 2430 | Py_DECREF(m); |
| 2431 | if (!( self->dispatch_table )) goto err; |
| 2432 | } |
| 2433 | else { |
| 2434 | self->dispatch_table=dispatch_table; |
| 2435 | Py_INCREF(dispatch_table); |
| 2436 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2437 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2438 | return self; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2439 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2440 | err: |
| 2441 | Py_DECREF((PyObject *)self); |
| 2442 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2443 | } |
| 2444 | |
| 2445 | |
| 2446 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2447 | get_Pickler(PyObject *self, PyObject *args) |
| 2448 | { |
| 2449 | PyObject *file = NULL; |
| 2450 | int bin = 1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2451 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2452 | if (!PyArg_ParseTuple(args, "|i:Pickler", &bin)) { |
| 2453 | PyErr_Clear(); |
| 2454 | bin = 0; |
| 2455 | if (!PyArg_ParseTuple(args, "O|i:Pickler", &file, &bin)) |
| 2456 | return NULL; |
| 2457 | } |
| 2458 | return (PyObject *)newPicklerobject(file, bin); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2459 | } |
| 2460 | |
| 2461 | |
| 2462 | static void |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2463 | Pickler_dealloc(Picklerobject *self) |
| 2464 | { |
| 2465 | Py_XDECREF(self->write); |
| 2466 | Py_XDECREF(self->memo); |
| 2467 | Py_XDECREF(self->fast_memo); |
| 2468 | Py_XDECREF(self->arg); |
| 2469 | Py_XDECREF(self->file); |
| 2470 | Py_XDECREF(self->pers_func); |
| 2471 | Py_XDECREF(self->inst_pers_func); |
| 2472 | Py_XDECREF(self->dispatch_table); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2473 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2474 | if (self->write_buf) { |
| 2475 | free(self->write_buf); |
| 2476 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2477 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2478 | PyObject_Del(self); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2479 | } |
| 2480 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2481 | static PyObject * |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2482 | Pickler_get_pers_func(Picklerobject *p) |
| 2483 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2484 | if (p->pers_func == NULL) |
| 2485 | PyErr_SetString(PyExc_AttributeError, "persistent_id"); |
| 2486 | else |
| 2487 | Py_INCREF(p->pers_func); |
| 2488 | return p->pers_func; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2489 | } |
| 2490 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2491 | static int |
| 2492 | Pickler_set_pers_func(Picklerobject *p, PyObject *v) |
| 2493 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2494 | if (v == NULL) { |
| 2495 | PyErr_SetString(PyExc_TypeError, |
| 2496 | "attribute deletion is not supported"); |
| 2497 | return -1; |
| 2498 | } |
| 2499 | Py_XDECREF(p->pers_func); |
| 2500 | Py_INCREF(v); |
| 2501 | p->pers_func = v; |
| 2502 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2503 | } |
| 2504 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2505 | static int |
| 2506 | Pickler_set_inst_pers_func(Picklerobject *p, PyObject *v) |
| 2507 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2508 | if (v == NULL) { |
| 2509 | PyErr_SetString(PyExc_TypeError, |
| 2510 | "attribute deletion is not supported"); |
| 2511 | return -1; |
| 2512 | } |
| 2513 | Py_XDECREF(p->inst_pers_func); |
| 2514 | Py_INCREF(v); |
| 2515 | p->inst_pers_func = v; |
| 2516 | return 0; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2517 | } |
| 2518 | |
| 2519 | static PyObject * |
| 2520 | Pickler_get_memo(Picklerobject *p) |
| 2521 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2522 | if (p->memo == NULL) |
| 2523 | PyErr_SetString(PyExc_AttributeError, "memo"); |
| 2524 | else |
| 2525 | Py_INCREF(p->memo); |
| 2526 | return p->memo; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2527 | } |
| 2528 | |
| 2529 | static int |
| 2530 | Pickler_set_memo(Picklerobject *p, PyObject *v) |
| 2531 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2532 | if (v == NULL) { |
| 2533 | PyErr_SetString(PyExc_TypeError, |
| 2534 | "attribute deletion is not supported"); |
| 2535 | return -1; |
| 2536 | } |
| 2537 | if (!PyDict_Check(v)) { |
| 2538 | PyErr_SetString(PyExc_TypeError, "memo must be a dictionary"); |
| 2539 | return -1; |
| 2540 | } |
| 2541 | Py_XDECREF(p->memo); |
| 2542 | Py_INCREF(v); |
| 2543 | p->memo = v; |
| 2544 | return 0; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2545 | } |
| 2546 | |
| 2547 | static PyObject * |
| 2548 | Pickler_get_error(Picklerobject *p) |
| 2549 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2550 | /* why is this an attribute on the Pickler? */ |
| 2551 | Py_INCREF(PicklingError); |
| 2552 | return PicklingError; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2553 | } |
| 2554 | |
| 2555 | static PyMemberDef Pickler_members[] = { |
| 2556 | {"binary", T_INT, offsetof(Picklerobject, bin)}, |
| 2557 | {"fast", T_INT, offsetof(Picklerobject, fast)}, |
Jeremy Hylton | 3eb46f3 | 2001-10-16 17:10:49 +0000 | [diff] [blame] | 2558 | {NULL} |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2559 | }; |
| 2560 | |
| 2561 | static PyGetSetDef Pickler_getsets[] = { |
| 2562 | {"persistent_id", (getter)Pickler_get_pers_func, |
| 2563 | (setter)Pickler_set_pers_func}, |
| 2564 | {"inst_persistent_id", NULL, (setter)Pickler_set_inst_pers_func}, |
| 2565 | {"memo", (getter)Pickler_get_memo, (setter)Pickler_set_memo}, |
Jeremy Hylton | 3eb46f3 | 2001-10-16 17:10:49 +0000 | [diff] [blame] | 2566 | {"PicklingError", (getter)Pickler_get_error, NULL}, |
| 2567 | {NULL} |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2568 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2569 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2570 | static char Picklertype__doc__[] = |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2571 | "Objects that know how to pickle objects\n"; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2572 | |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 2573 | static PyTypeObject Picklertype = { |
| 2574 | PyObject_HEAD_INIT(NULL) |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2575 | 0, /*ob_size*/ |
Guido van Rossum | 1464839 | 2001-12-08 18:02:58 +0000 | [diff] [blame] | 2576 | "cPickle.Pickler", /*tp_name*/ |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2577 | sizeof(Picklerobject), /*tp_basicsize*/ |
| 2578 | 0, |
| 2579 | (destructor)Pickler_dealloc, /* tp_dealloc */ |
| 2580 | 0, /* tp_print */ |
| 2581 | 0, /* tp_getattr */ |
| 2582 | 0, /* tp_setattr */ |
| 2583 | 0, /* tp_compare */ |
| 2584 | 0, /* tp_repr */ |
| 2585 | 0, /* tp_as_number */ |
| 2586 | 0, /* tp_as_sequence */ |
| 2587 | 0, /* tp_as_mapping */ |
| 2588 | 0, /* tp_hash */ |
| 2589 | 0, /* tp_call */ |
| 2590 | 0, /* tp_str */ |
Michael W. Hudson | 03f96bd | 2001-11-09 10:06:23 +0000 | [diff] [blame] | 2591 | 0, /* set below */ /* tp_getattro */ |
| 2592 | 0, /* set below */ /* tp_setattro */ |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2593 | 0, /* tp_as_buffer */ |
| 2594 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */ |
| 2595 | Picklertype__doc__, /* tp_doc */ |
| 2596 | 0, /* tp_traverse */ |
| 2597 | 0, /* tp_clear */ |
| 2598 | 0, /* tp_richcompare */ |
| 2599 | 0, /* tp_weaklistoffset */ |
| 2600 | 0, /* tp_iter */ |
| 2601 | 0, /* tp_iternext */ |
| 2602 | Pickler_methods, /* tp_methods */ |
| 2603 | Pickler_members, /* tp_members */ |
| 2604 | Pickler_getsets, /* tp_getset */ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 2605 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2606 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2607 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2608 | find_class(PyObject *py_module_name, PyObject *py_global_name, PyObject *fc) |
| 2609 | { |
| 2610 | PyObject *global = 0, *module; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2611 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2612 | if (fc) { |
| 2613 | if (fc==Py_None) { |
| 2614 | PyErr_SetString(UnpicklingError, |
| 2615 | "Global and instance pickles are not supported."); |
| 2616 | return NULL; |
| 2617 | } |
| 2618 | return PyObject_CallFunction(fc, "OO", py_module_name, |
| 2619 | py_global_name); |
| 2620 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 2621 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2622 | module = PySys_GetObject("modules"); |
| 2623 | if (module == NULL) |
| 2624 | return NULL; |
Jeremy Hylton | d105523 | 1998-08-11 19:52:51 +0000 | [diff] [blame] | 2625 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2626 | module = PyDict_GetItem(module, py_module_name); |
| 2627 | if (module == NULL) { |
| 2628 | module = PyImport_Import(py_module_name); |
| 2629 | if (!module) |
| 2630 | return NULL; |
| 2631 | global = PyObject_GetAttr(module, py_global_name); |
| 2632 | Py_DECREF(module); |
| 2633 | } |
| 2634 | else |
| 2635 | global = PyObject_GetAttr(module, py_global_name); |
| 2636 | return global; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2637 | } |
| 2638 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2639 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2640 | marker(Unpicklerobject *self) |
| 2641 | { |
| 2642 | if (self->num_marks < 1) { |
| 2643 | PyErr_SetString(UnpicklingError, "could not find MARK"); |
| 2644 | return -1; |
| 2645 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2646 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2647 | return self->marks[--self->num_marks]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2648 | } |
| 2649 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2650 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2651 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2652 | load_none(Unpicklerobject *self) |
| 2653 | { |
| 2654 | PDATA_APPEND(self->stack, Py_None, -1); |
| 2655 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2656 | } |
| 2657 | |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 2658 | static int |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame^] | 2659 | load_false(Unpicklerobject *self) |
| 2660 | { |
| 2661 | PDATA_APPEND(self->stack, Py_False, -1); |
| 2662 | return 0; |
| 2663 | } |
| 2664 | |
| 2665 | static int |
| 2666 | load_true(Unpicklerobject *self) |
| 2667 | { |
| 2668 | PDATA_APPEND(self->stack, Py_True, -1); |
| 2669 | return 0; |
| 2670 | } |
| 2671 | |
| 2672 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2673 | bad_readline(void) |
| 2674 | { |
| 2675 | PyErr_SetString(UnpicklingError, "pickle data was truncated"); |
| 2676 | return -1; |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 2677 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2678 | |
| 2679 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2680 | load_int(Unpicklerobject *self) |
| 2681 | { |
| 2682 | PyObject *py_int = 0; |
| 2683 | char *endptr, *s; |
| 2684 | int len, res = -1; |
| 2685 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2686 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2687 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 2688 | if (len < 2) return bad_readline(); |
| 2689 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2690 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2691 | errno = 0; |
| 2692 | l = strtol(s, &endptr, 0); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2693 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2694 | if (errno || (*endptr != '\n') || (endptr[1] != '\0')) { |
| 2695 | /* Hm, maybe we've got something long. Let's try reading |
| 2696 | it as a Python long object. */ |
| 2697 | errno = 0; |
| 2698 | py_int = PyLong_FromString(s, NULL, 0); |
| 2699 | if (py_int == NULL) { |
| 2700 | PyErr_SetString(PyExc_ValueError, |
| 2701 | "could not convert string to int"); |
| 2702 | goto finally; |
| 2703 | } |
| 2704 | } |
| 2705 | else { |
| 2706 | if (!( py_int = PyInt_FromLong(l))) goto finally; |
| 2707 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2708 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2709 | free(s); |
| 2710 | PDATA_PUSH(self->stack, py_int, -1); |
| 2711 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2712 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2713 | finally: |
| 2714 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2715 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2716 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2717 | } |
| 2718 | |
| 2719 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2720 | static long |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2721 | calc_binint(char *s, int x) |
| 2722 | { |
| 2723 | unsigned char c; |
| 2724 | int i; |
| 2725 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2726 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2727 | for (i = 0, l = 0L; i < x; i++) { |
| 2728 | c = (unsigned char)s[i]; |
| 2729 | l |= (long)c << (i * 8); |
| 2730 | } |
Tim Peters | bfa18f7 | 2001-04-10 01:54:42 +0000 | [diff] [blame] | 2731 | #if SIZEOF_LONG > 4 |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2732 | /* Unlike BININT1 and BININT2, BININT (more accurately BININT4) |
| 2733 | * is signed, so on a box with longs bigger than 4 bytes we need |
| 2734 | * to extend a BININT's sign bit to the full width. |
| 2735 | */ |
| 2736 | if (x == 4 && l & (1L << 31)) |
| 2737 | l |= (~0L) << 32; |
Tim Peters | bfa18f7 | 2001-04-10 01:54:42 +0000 | [diff] [blame] | 2738 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2739 | return l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2740 | } |
| 2741 | |
| 2742 | |
| 2743 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2744 | load_binintx(Unpicklerobject *self, char *s, int x) |
| 2745 | { |
| 2746 | PyObject *py_int = 0; |
| 2747 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2748 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2749 | l = calc_binint(s, x); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2750 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2751 | if (!( py_int = PyInt_FromLong(l))) |
| 2752 | return -1; |
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 | PDATA_PUSH(self->stack, py_int, -1); |
| 2755 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2756 | } |
| 2757 | |
| 2758 | |
| 2759 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2760 | load_binint(Unpicklerobject *self) |
| 2761 | { |
| 2762 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2763 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2764 | if ((*self->read_func)(self, &s, 4) < 0) |
| 2765 | return -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 | return load_binintx(self, s, 4); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2768 | } |
| 2769 | |
| 2770 | |
| 2771 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2772 | load_binint1(Unpicklerobject *self) |
| 2773 | { |
| 2774 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2775 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2776 | if ((*self->read_func)(self, &s, 1) < 0) |
| 2777 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2778 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2779 | return load_binintx(self, s, 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2780 | } |
| 2781 | |
| 2782 | |
| 2783 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2784 | load_binint2(Unpicklerobject *self) |
| 2785 | { |
| 2786 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2787 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2788 | if ((*self->read_func)(self, &s, 2) < 0) |
| 2789 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2790 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2791 | return load_binintx(self, s, 2); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2792 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2793 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2794 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2795 | load_long(Unpicklerobject *self) |
| 2796 | { |
| 2797 | PyObject *l = 0; |
| 2798 | char *end, *s; |
| 2799 | int len, res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2800 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2801 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 2802 | if (len < 2) return bad_readline(); |
| 2803 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2804 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2805 | if (!( l = PyLong_FromString(s, &end, 0))) |
| 2806 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2807 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2808 | free(s); |
| 2809 | PDATA_PUSH(self->stack, l, -1); |
| 2810 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2811 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2812 | finally: |
| 2813 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2814 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2815 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2816 | } |
| 2817 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 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_float(Unpicklerobject *self) |
| 2821 | { |
| 2822 | PyObject *py_float = 0; |
| 2823 | char *endptr, *s; |
| 2824 | int len, res = -1; |
| 2825 | double d; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2826 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2827 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 2828 | if (len < 2) return bad_readline(); |
| 2829 | if (!( s=pystrndup(s,len))) 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 | errno = 0; |
| 2832 | d = strtod(s, &endptr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2833 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2834 | if (errno || (endptr[0] != '\n') || (endptr[1] != '\0')) { |
| 2835 | PyErr_SetString(PyExc_ValueError, |
| 2836 | "could not convert string to float"); |
| 2837 | goto finally; |
| 2838 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2839 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2840 | if (!( py_float = PyFloat_FromDouble(d))) |
| 2841 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2842 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2843 | free(s); |
| 2844 | PDATA_PUSH(self->stack, py_float, -1); |
| 2845 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2846 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2847 | finally: |
| 2848 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2849 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2850 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2851 | } |
| 2852 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2853 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2854 | load_binfloat(Unpicklerobject *self) |
| 2855 | { |
| 2856 | PyObject *py_float = 0; |
| 2857 | int s, e; |
| 2858 | long fhi, flo; |
| 2859 | double x; |
| 2860 | char *p; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2861 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2862 | if ((*self->read_func)(self, &p, 8) < 0) |
| 2863 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2864 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2865 | /* First byte */ |
| 2866 | s = (*p>>7) & 1; |
| 2867 | e = (*p & 0x7F) << 4; |
| 2868 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2869 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2870 | /* Second byte */ |
| 2871 | e |= (*p>>4) & 0xF; |
| 2872 | fhi = (*p & 0xF) << 24; |
| 2873 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2874 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2875 | /* Third byte */ |
| 2876 | fhi |= (*p & 0xFF) << 16; |
| 2877 | p++; |
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 | /* Fourth byte */ |
| 2880 | fhi |= (*p & 0xFF) << 8; |
| 2881 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2882 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2883 | /* Fifth byte */ |
| 2884 | fhi |= *p & 0xFF; |
| 2885 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2886 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2887 | /* Sixth byte */ |
| 2888 | flo = (*p & 0xFF) << 16; |
| 2889 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2890 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2891 | /* Seventh byte */ |
| 2892 | flo |= (*p & 0xFF) << 8; |
| 2893 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2894 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2895 | /* Eighth byte */ |
| 2896 | flo |= *p & 0xFF; |
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 | x = (double)fhi + (double)flo / 16777216.0; /* 2**24 */ |
| 2899 | x /= 268435456.0; /* 2**28 */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2900 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2901 | /* XXX This sadly ignores Inf/NaN */ |
| 2902 | if (e == 0) |
| 2903 | e = -1022; |
| 2904 | else { |
| 2905 | x += 1.0; |
| 2906 | e -= 1023; |
| 2907 | } |
| 2908 | x = ldexp(x, e); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2909 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2910 | if (s) |
| 2911 | x = -x; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2912 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2913 | if (!( py_float = PyFloat_FromDouble(x))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2914 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2915 | PDATA_PUSH(self->stack, py_float, -1); |
| 2916 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2917 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2918 | |
| 2919 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2920 | load_string(Unpicklerobject *self) |
| 2921 | { |
| 2922 | PyObject *str = 0; |
| 2923 | int len, res = -1, nslash; |
| 2924 | char *s, q, *p; |
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 | static PyObject *eval_dict = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2927 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2928 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 2929 | if (len < 2) return bad_readline(); |
| 2930 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2931 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2932 | /* Check for unquoted quotes (evil strings) */ |
| 2933 | q=*s; |
| 2934 | if (q != '"' && q != '\'') goto insecure; |
| 2935 | for (p=s+1, nslash=0; *p; p++) { |
| 2936 | if (*p==q && nslash%2==0) break; |
| 2937 | if (*p=='\\') nslash++; |
| 2938 | else nslash=0; |
| 2939 | } |
| 2940 | if (*p == q) { |
| 2941 | for (p++; *p; p++) |
| 2942 | if (*(unsigned char *)p > ' ') |
| 2943 | goto insecure; |
| 2944 | } |
| 2945 | else |
| 2946 | goto insecure; |
| 2947 | /********************************************/ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 2948 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2949 | if (!( eval_dict )) |
| 2950 | if (!( eval_dict = Py_BuildValue("{s{}}", "__builtins__"))) |
| 2951 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2952 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2953 | if (!( str = PyRun_String(s, Py_eval_input, eval_dict, eval_dict))) |
| 2954 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2955 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2956 | free(s); |
| 2957 | PDATA_PUSH(self->stack, str, -1); |
| 2958 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2959 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2960 | finally: |
| 2961 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2962 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2963 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2964 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2965 | insecure: |
| 2966 | free(s); |
| 2967 | PyErr_SetString(PyExc_ValueError,"insecure string pickle"); |
| 2968 | return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2969 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2970 | |
| 2971 | |
| 2972 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2973 | load_binstring(Unpicklerobject *self) |
| 2974 | { |
| 2975 | PyObject *py_string = 0; |
| 2976 | long l; |
| 2977 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2978 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2979 | if ((*self->read_func)(self, &s, 4) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2980 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2981 | l = calc_binint(s, 4); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2982 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2983 | if ((*self->read_func)(self, &s, l) < 0) |
| 2984 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2985 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2986 | if (!( py_string = PyString_FromStringAndSize(s, l))) |
| 2987 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2988 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2989 | PDATA_PUSH(self->stack, py_string, -1); |
| 2990 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2991 | } |
| 2992 | |
| 2993 | |
| 2994 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2995 | load_short_binstring(Unpicklerobject *self) |
| 2996 | { |
| 2997 | PyObject *py_string = 0; |
| 2998 | unsigned char l; |
| 2999 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3000 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3001 | if ((*self->read_func)(self, &s, 1) < 0) |
| 3002 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3003 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3004 | l = (unsigned char)s[0]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3005 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3006 | if ((*self->read_func)(self, &s, l) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3007 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3008 | if (!( py_string = PyString_FromStringAndSize(s, l))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3009 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3010 | PDATA_PUSH(self->stack, py_string, -1); |
| 3011 | return 0; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3012 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3013 | |
| 3014 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3015 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3016 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3017 | load_unicode(Unpicklerobject *self) |
| 3018 | { |
| 3019 | PyObject *str = 0; |
| 3020 | int len, res = -1; |
| 3021 | char *s; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3022 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3023 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 3024 | if (len < 1) return bad_readline(); |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3025 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3026 | if (!( str = PyUnicode_DecodeRawUnicodeEscape(s, len - 1, NULL))) |
| 3027 | goto finally; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3028 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3029 | PDATA_PUSH(self->stack, str, -1); |
| 3030 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3031 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3032 | finally: |
| 3033 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3034 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3035 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3036 | |
| 3037 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3038 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3039 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3040 | load_binunicode(Unpicklerobject *self) |
| 3041 | { |
| 3042 | PyObject *unicode; |
| 3043 | long l; |
| 3044 | char *s; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3045 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3046 | if ((*self->read_func)(self, &s, 4) < 0) return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3047 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3048 | l = calc_binint(s, 4); |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3049 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3050 | if ((*self->read_func)(self, &s, l) < 0) |
| 3051 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3052 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3053 | if (!( unicode = PyUnicode_DecodeUTF8(s, l, NULL))) |
| 3054 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3055 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3056 | PDATA_PUSH(self->stack, unicode, -1); |
| 3057 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3058 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3059 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3060 | |
| 3061 | |
| 3062 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3063 | load_tuple(Unpicklerobject *self) |
| 3064 | { |
| 3065 | PyObject *tup; |
| 3066 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3067 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3068 | if ((i = marker(self)) < 0) return -1; |
| 3069 | if (!( tup=Pdata_popTuple(self->stack, i))) return -1; |
| 3070 | PDATA_PUSH(self->stack, tup, -1); |
| 3071 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3072 | } |
| 3073 | |
| 3074 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3075 | load_empty_tuple(Unpicklerobject *self) |
| 3076 | { |
| 3077 | PyObject *tup; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3078 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3079 | if (!( tup=PyTuple_New(0))) return -1; |
| 3080 | PDATA_PUSH(self->stack, tup, -1); |
| 3081 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3082 | } |
| 3083 | |
| 3084 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3085 | load_empty_list(Unpicklerobject *self) |
| 3086 | { |
| 3087 | PyObject *list; |
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 (!( list=PyList_New(0))) return -1; |
| 3090 | PDATA_PUSH(self->stack, list, -1); |
| 3091 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3092 | } |
| 3093 | |
| 3094 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3095 | load_empty_dict(Unpicklerobject *self) |
| 3096 | { |
| 3097 | PyObject *dict; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3098 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3099 | if (!( dict=PyDict_New())) return -1; |
| 3100 | PDATA_PUSH(self->stack, dict, -1); |
| 3101 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3102 | } |
| 3103 | |
| 3104 | |
| 3105 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3106 | load_list(Unpicklerobject *self) |
| 3107 | { |
| 3108 | PyObject *list = 0; |
| 3109 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3110 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3111 | if ((i = marker(self)) < 0) return -1; |
| 3112 | if (!( list=Pdata_popList(self->stack, i))) return -1; |
| 3113 | PDATA_PUSH(self->stack, list, -1); |
| 3114 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3115 | } |
| 3116 | |
| 3117 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3118 | load_dict(Unpicklerobject *self) |
| 3119 | { |
| 3120 | PyObject *dict, *key, *value; |
| 3121 | int i, j, k; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3122 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3123 | if ((i = marker(self)) < 0) return -1; |
| 3124 | j=self->stack->length; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3125 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3126 | if (!( dict = PyDict_New())) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3127 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3128 | for (k = i+1; k < j; k += 2) { |
| 3129 | key =self->stack->data[k-1]; |
| 3130 | value=self->stack->data[k ]; |
| 3131 | if (PyDict_SetItem(dict, key, value) < 0) { |
| 3132 | Py_DECREF(dict); |
| 3133 | return -1; |
| 3134 | } |
| 3135 | } |
| 3136 | Pdata_clear(self->stack, i); |
| 3137 | PDATA_PUSH(self->stack, dict, -1); |
| 3138 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3139 | } |
| 3140 | |
| 3141 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3142 | Instance_New(PyObject *cls, PyObject *args) |
| 3143 | { |
| 3144 | int has_key; |
| 3145 | PyObject *safe=0, *r=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3146 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3147 | if (PyClass_Check(cls)) { |
| 3148 | int l; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3149 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3150 | if ((l=PyObject_Size(args)) < 0) goto err; |
| 3151 | if (!( l )) { |
| 3152 | PyObject *__getinitargs__; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3153 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3154 | __getinitargs__ = PyObject_GetAttr(cls, |
| 3155 | __getinitargs___str); |
| 3156 | if (!__getinitargs__) { |
| 3157 | /* We have a class with no __getinitargs__, |
| 3158 | so bypass usual construction */ |
| 3159 | PyObject *inst; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3160 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3161 | PyErr_Clear(); |
| 3162 | if (!( inst=PyInstance_NewRaw(cls, NULL))) |
| 3163 | goto err; |
| 3164 | return inst; |
| 3165 | } |
| 3166 | Py_DECREF(__getinitargs__); |
| 3167 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3168 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3169 | if ((r=PyInstance_New(cls, args, NULL))) return r; |
| 3170 | else goto err; |
| 3171 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3172 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3173 | /* Is safe_constructors always a dict? */ |
| 3174 | has_key = cPickle_PyMapping_HasKey(safe_constructors, cls); |
| 3175 | if (!has_key) { |
| 3176 | safe = PyObject_GetAttr(cls, __safe_for_unpickling___str); |
| 3177 | if (!safe || |
| 3178 | !PyObject_IsTrue(safe)) { |
| 3179 | cPickle_ErrFormat(UnpicklingError, |
| 3180 | "%s is not safe for unpickling", |
| 3181 | "O", cls); |
| 3182 | Py_XDECREF(safe); |
| 3183 | return NULL; |
| 3184 | } |
| 3185 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 3186 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3187 | if (args==Py_None) { |
| 3188 | /* Special case, call cls.__basicnew__() */ |
| 3189 | PyObject *basicnew; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3190 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3191 | basicnew = PyObject_GetAttr(cls, __basicnew___str); |
| 3192 | if (!basicnew) return NULL; |
| 3193 | r=PyObject_CallObject(basicnew, NULL); |
| 3194 | Py_DECREF(basicnew); |
| 3195 | if (r) return r; |
| 3196 | } |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 3197 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3198 | if ((r=PyObject_CallObject(cls, args))) return r; |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 3199 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3200 | err: |
| 3201 | { |
| 3202 | PyObject *tp, *v, *tb; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3203 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3204 | PyErr_Fetch(&tp, &v, &tb); |
| 3205 | if ((r=Py_BuildValue("OOO",v,cls,args))) { |
| 3206 | Py_XDECREF(v); |
| 3207 | v=r; |
| 3208 | } |
| 3209 | PyErr_Restore(tp,v,tb); |
| 3210 | } |
| 3211 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3212 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3213 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3214 | |
| 3215 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3216 | load_obj(Unpicklerobject *self) |
| 3217 | { |
| 3218 | PyObject *class, *tup, *obj=0; |
| 3219 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3220 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3221 | if ((i = marker(self)) < 0) return -1; |
| 3222 | if (!( tup=Pdata_popTuple(self->stack, i+1))) return -1; |
| 3223 | PDATA_POP(self->stack, class); |
| 3224 | if (class) { |
| 3225 | obj = Instance_New(class, tup); |
| 3226 | Py_DECREF(class); |
| 3227 | } |
| 3228 | Py_DECREF(tup); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3229 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3230 | if (! obj) return -1; |
| 3231 | PDATA_PUSH(self->stack, obj, -1); |
| 3232 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3233 | } |
| 3234 | |
| 3235 | |
| 3236 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3237 | load_inst(Unpicklerobject *self) |
| 3238 | { |
| 3239 | PyObject *tup, *class=0, *obj=0, *module_name, *class_name; |
| 3240 | int i, len; |
| 3241 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3242 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3243 | if ((i = marker(self)) < 0) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3244 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3245 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 3246 | if (len < 2) return bad_readline(); |
| 3247 | module_name = PyString_FromStringAndSize(s, len - 1); |
| 3248 | if (!module_name) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3249 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3250 | if ((len = (*self->readline_func)(self, &s)) >= 0) { |
| 3251 | if (len < 2) return bad_readline(); |
| 3252 | if ((class_name = PyString_FromStringAndSize(s, len - 1))) { |
| 3253 | class = find_class(module_name, class_name, |
| 3254 | self->find_class); |
| 3255 | Py_DECREF(class_name); |
| 3256 | } |
| 3257 | } |
| 3258 | Py_DECREF(module_name); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3259 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3260 | if (! class) return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3261 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3262 | if ((tup=Pdata_popTuple(self->stack, i))) { |
| 3263 | obj = Instance_New(class, tup); |
| 3264 | Py_DECREF(tup); |
| 3265 | } |
| 3266 | Py_DECREF(class); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3267 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3268 | if (! obj) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3269 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3270 | PDATA_PUSH(self->stack, obj, -1); |
| 3271 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3272 | } |
| 3273 | |
| 3274 | |
| 3275 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3276 | load_global(Unpicklerobject *self) |
| 3277 | { |
| 3278 | PyObject *class = 0, *module_name = 0, *class_name = 0; |
| 3279 | int len; |
| 3280 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3281 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3282 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 3283 | if (len < 2) return bad_readline(); |
| 3284 | module_name = PyString_FromStringAndSize(s, len - 1); |
| 3285 | if (!module_name) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3286 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3287 | if ((len = (*self->readline_func)(self, &s)) >= 0) { |
| 3288 | if (len < 2) return bad_readline(); |
| 3289 | if ((class_name = PyString_FromStringAndSize(s, len - 1))) { |
| 3290 | class = find_class(module_name, class_name, |
| 3291 | self->find_class); |
| 3292 | Py_DECREF(class_name); |
| 3293 | } |
| 3294 | } |
| 3295 | Py_DECREF(module_name); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3296 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3297 | if (! class) return -1; |
| 3298 | PDATA_PUSH(self->stack, class, -1); |
| 3299 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3300 | } |
| 3301 | |
| 3302 | |
| 3303 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3304 | load_persid(Unpicklerobject *self) |
| 3305 | { |
| 3306 | PyObject *pid = 0; |
| 3307 | int len; |
| 3308 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3309 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3310 | if (self->pers_func) { |
| 3311 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 3312 | if (len < 2) return bad_readline(); |
| 3313 | |
| 3314 | pid = PyString_FromStringAndSize(s, len - 1); |
| 3315 | if (!pid) return -1; |
| 3316 | |
| 3317 | if (PyList_Check(self->pers_func)) { |
| 3318 | if (PyList_Append(self->pers_func, pid) < 0) { |
| 3319 | Py_DECREF(pid); |
| 3320 | return -1; |
| 3321 | } |
| 3322 | } |
| 3323 | else { |
| 3324 | ARG_TUP(self, pid); |
| 3325 | if (self->arg) { |
| 3326 | pid = PyObject_Call(self->pers_func, self->arg, |
| 3327 | NULL); |
| 3328 | FREE_ARG_TUP(self); |
| 3329 | } |
| 3330 | } |
| 3331 | |
| 3332 | if (! pid) return -1; |
| 3333 | |
| 3334 | PDATA_PUSH(self->stack, pid, -1); |
| 3335 | return 0; |
| 3336 | } |
| 3337 | else { |
| 3338 | PyErr_SetString(UnpicklingError, |
| 3339 | "A load persistent id instruction was encountered,\n" |
| 3340 | "but no persistent_load function was specified."); |
| 3341 | return -1; |
| 3342 | } |
| 3343 | } |
| 3344 | |
| 3345 | static int |
| 3346 | load_binpersid(Unpicklerobject *self) |
| 3347 | { |
| 3348 | PyObject *pid = 0; |
| 3349 | |
| 3350 | if (self->pers_func) { |
| 3351 | PDATA_POP(self->stack, pid); |
| 3352 | if (! pid) return -1; |
| 3353 | |
| 3354 | if (PyList_Check(self->pers_func)) { |
| 3355 | if (PyList_Append(self->pers_func, pid) < 0) { |
| 3356 | Py_DECREF(pid); |
| 3357 | return -1; |
| 3358 | } |
| 3359 | } |
| 3360 | else { |
| 3361 | ARG_TUP(self, pid); |
| 3362 | if (self->arg) { |
| 3363 | pid = PyObject_Call(self->pers_func, self->arg, |
| 3364 | NULL); |
| 3365 | FREE_ARG_TUP(self); |
| 3366 | } |
| 3367 | if (! pid) return -1; |
| 3368 | } |
| 3369 | |
| 3370 | PDATA_PUSH(self->stack, pid, -1); |
| 3371 | return 0; |
| 3372 | } |
| 3373 | else { |
| 3374 | PyErr_SetString(UnpicklingError, |
| 3375 | "A load persistent id instruction was encountered,\n" |
| 3376 | "but no persistent_load function was specified."); |
| 3377 | return -1; |
| 3378 | } |
| 3379 | } |
| 3380 | |
| 3381 | |
| 3382 | static int |
| 3383 | load_pop(Unpicklerobject *self) |
| 3384 | { |
| 3385 | int len; |
| 3386 | |
| 3387 | if (!( (len=self->stack->length) > 0 )) return stackUnderflow(); |
| 3388 | |
| 3389 | /* Note that we split the (pickle.py) stack into two stacks, |
| 3390 | an object stack and a mark stack. We have to be clever and |
| 3391 | pop the right one. We do this by looking at the top of the |
| 3392 | mark stack. |
| 3393 | */ |
| 3394 | |
| 3395 | if ((self->num_marks > 0) && |
| 3396 | (self->marks[self->num_marks - 1] == len)) |
| 3397 | self->num_marks--; |
| 3398 | else { |
| 3399 | len--; |
| 3400 | Py_DECREF(self->stack->data[len]); |
| 3401 | self->stack->length=len; |
| 3402 | } |
| 3403 | |
| 3404 | return 0; |
| 3405 | } |
| 3406 | |
| 3407 | |
| 3408 | static int |
| 3409 | load_pop_mark(Unpicklerobject *self) |
| 3410 | { |
| 3411 | int i; |
| 3412 | |
| 3413 | if ((i = marker(self)) < 0) |
| 3414 | return -1; |
| 3415 | |
| 3416 | Pdata_clear(self->stack, i); |
| 3417 | |
| 3418 | return 0; |
| 3419 | } |
| 3420 | |
| 3421 | |
| 3422 | static int |
| 3423 | load_dup(Unpicklerobject *self) |
| 3424 | { |
| 3425 | PyObject *last; |
| 3426 | int len; |
| 3427 | |
| 3428 | if ((len = self->stack->length) <= 0) return stackUnderflow(); |
| 3429 | last=self->stack->data[len-1]; |
| 3430 | Py_INCREF(last); |
| 3431 | PDATA_PUSH(self->stack, last, -1); |
| 3432 | return 0; |
| 3433 | } |
| 3434 | |
| 3435 | |
| 3436 | static int |
| 3437 | load_get(Unpicklerobject *self) |
| 3438 | { |
| 3439 | PyObject *py_str = 0, *value = 0; |
| 3440 | int len; |
| 3441 | char *s; |
| 3442 | int rc; |
| 3443 | |
| 3444 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 3445 | if (len < 2) return bad_readline(); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3446 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3447 | if (!( py_str = PyString_FromStringAndSize(s, len - 1))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3448 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3449 | value = PyDict_GetItem(self->memo, py_str); |
| 3450 | if (! value) { |
| 3451 | PyErr_SetObject(BadPickleGet, py_str); |
| 3452 | rc = -1; |
| 3453 | } else { |
| 3454 | PDATA_APPEND(self->stack, value, -1); |
| 3455 | rc = 0; |
| 3456 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3457 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3458 | Py_DECREF(py_str); |
| 3459 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3460 | } |
| 3461 | |
| 3462 | |
| 3463 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3464 | load_binget(Unpicklerobject *self) |
| 3465 | { |
| 3466 | PyObject *py_key = 0, *value = 0; |
| 3467 | unsigned char key; |
| 3468 | char *s; |
| 3469 | int rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3470 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3471 | if ((*self->read_func)(self, &s, 1) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3472 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3473 | key = (unsigned char)s[0]; |
| 3474 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
Guido van Rossum | ea2b715 | 2000-05-09 18:14:50 +0000 | [diff] [blame] | 3475 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3476 | value = PyDict_GetItem(self->memo, py_key); |
| 3477 | if (! value) { |
| 3478 | PyErr_SetObject(BadPickleGet, py_key); |
| 3479 | rc = -1; |
| 3480 | } else { |
| 3481 | PDATA_APPEND(self->stack, value, -1); |
| 3482 | rc = 0; |
| 3483 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3484 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3485 | Py_DECREF(py_key); |
| 3486 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3487 | } |
| 3488 | |
| 3489 | |
| 3490 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3491 | load_long_binget(Unpicklerobject *self) |
| 3492 | { |
| 3493 | PyObject *py_key = 0, *value = 0; |
| 3494 | unsigned char c; |
| 3495 | char *s; |
| 3496 | long key; |
| 3497 | int rc; |
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 ((*self->read_func)(self, &s, 4) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3500 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3501 | c = (unsigned char)s[0]; |
| 3502 | key = (long)c; |
| 3503 | c = (unsigned char)s[1]; |
| 3504 | key |= (long)c << 8; |
| 3505 | c = (unsigned char)s[2]; |
| 3506 | key |= (long)c << 16; |
| 3507 | c = (unsigned char)s[3]; |
| 3508 | key |= (long)c << 24; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3509 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3510 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
| 3511 | |
| 3512 | value = PyDict_GetItem(self->memo, py_key); |
| 3513 | if (! value) { |
| 3514 | PyErr_SetObject(BadPickleGet, py_key); |
| 3515 | rc = -1; |
| 3516 | } else { |
| 3517 | PDATA_APPEND(self->stack, value, -1); |
| 3518 | rc = 0; |
| 3519 | } |
| 3520 | |
| 3521 | Py_DECREF(py_key); |
| 3522 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3523 | } |
| 3524 | |
| 3525 | |
| 3526 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3527 | load_put(Unpicklerobject *self) |
| 3528 | { |
| 3529 | PyObject *py_str = 0, *value = 0; |
| 3530 | int len, l; |
| 3531 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3532 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3533 | if ((l = (*self->readline_func)(self, &s)) < 0) return -1; |
| 3534 | if (l < 2) return bad_readline(); |
| 3535 | if (!( len=self->stack->length )) return stackUnderflow(); |
| 3536 | if (!( py_str = PyString_FromStringAndSize(s, l - 1))) return -1; |
| 3537 | value=self->stack->data[len-1]; |
| 3538 | l=PyDict_SetItem(self->memo, py_str, value); |
| 3539 | Py_DECREF(py_str); |
| 3540 | return l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3541 | } |
| 3542 | |
| 3543 | |
| 3544 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3545 | load_binput(Unpicklerobject *self) |
| 3546 | { |
| 3547 | PyObject *py_key = 0, *value = 0; |
| 3548 | unsigned char key; |
| 3549 | char *s; |
| 3550 | int len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3551 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3552 | if ((*self->read_func)(self, &s, 1) < 0) return -1; |
| 3553 | if (!( (len=self->stack->length) > 0 )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3554 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3555 | key = (unsigned char)s[0]; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 3556 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3557 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
| 3558 | value=self->stack->data[len-1]; |
| 3559 | len=PyDict_SetItem(self->memo, py_key, value); |
| 3560 | Py_DECREF(py_key); |
| 3561 | return len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3562 | } |
| 3563 | |
| 3564 | |
| 3565 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3566 | load_long_binput(Unpicklerobject *self) |
| 3567 | { |
| 3568 | PyObject *py_key = 0, *value = 0; |
| 3569 | long key; |
| 3570 | unsigned char c; |
| 3571 | char *s; |
| 3572 | int len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3573 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3574 | if ((*self->read_func)(self, &s, 4) < 0) return -1; |
| 3575 | if (!( len=self->stack->length )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3576 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3577 | c = (unsigned char)s[0]; |
| 3578 | key = (long)c; |
| 3579 | c = (unsigned char)s[1]; |
| 3580 | key |= (long)c << 8; |
| 3581 | c = (unsigned char)s[2]; |
| 3582 | key |= (long)c << 16; |
| 3583 | c = (unsigned char)s[3]; |
| 3584 | key |= (long)c << 24; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3585 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3586 | if (!( py_key = PyInt_FromLong(key))) return -1; |
| 3587 | value=self->stack->data[len-1]; |
| 3588 | len=PyDict_SetItem(self->memo, py_key, value); |
| 3589 | Py_DECREF(py_key); |
| 3590 | return len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3591 | } |
| 3592 | |
| 3593 | |
| 3594 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3595 | do_append(Unpicklerobject *self, int x) |
| 3596 | { |
| 3597 | PyObject *value = 0, *list = 0, *append_method = 0; |
| 3598 | int len, i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3599 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3600 | len=self->stack->length; |
| 3601 | if (!( len >= x && x > 0 )) return stackUnderflow(); |
| 3602 | /* nothing to do */ |
| 3603 | if (len==x) return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3604 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3605 | list=self->stack->data[x-1]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3606 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3607 | if (PyList_Check(list)) { |
| 3608 | PyObject *slice; |
| 3609 | int list_len; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3610 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3611 | slice=Pdata_popList(self->stack, x); |
| 3612 | list_len = PyList_GET_SIZE(list); |
| 3613 | i=PyList_SetSlice(list, list_len, list_len, slice); |
| 3614 | Py_DECREF(slice); |
| 3615 | return i; |
| 3616 | } |
| 3617 | else { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3618 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3619 | if (!( append_method = PyObject_GetAttr(list, append_str))) |
| 3620 | return -1; |
| 3621 | |
| 3622 | for (i = x; i < len; i++) { |
| 3623 | PyObject *junk; |
| 3624 | |
| 3625 | value=self->stack->data[i]; |
| 3626 | junk=0; |
| 3627 | ARG_TUP(self, value); |
| 3628 | if (self->arg) { |
| 3629 | junk = PyObject_Call(append_method, self->arg, |
| 3630 | NULL); |
| 3631 | FREE_ARG_TUP(self); |
| 3632 | } |
| 3633 | if (! junk) { |
| 3634 | Pdata_clear(self->stack, i+1); |
| 3635 | self->stack->length=x; |
| 3636 | Py_DECREF(append_method); |
| 3637 | return -1; |
| 3638 | } |
| 3639 | Py_DECREF(junk); |
| 3640 | } |
| 3641 | self->stack->length=x; |
| 3642 | Py_DECREF(append_method); |
| 3643 | } |
| 3644 | |
| 3645 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3646 | } |
| 3647 | |
| 3648 | |
| 3649 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3650 | load_append(Unpicklerobject *self) |
| 3651 | { |
| 3652 | return do_append(self, self->stack->length - 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3653 | } |
| 3654 | |
| 3655 | |
| 3656 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3657 | load_appends(Unpicklerobject *self) |
| 3658 | { |
| 3659 | return do_append(self, marker(self)); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3660 | } |
| 3661 | |
| 3662 | |
| 3663 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3664 | do_setitems(Unpicklerobject *self, int x) |
| 3665 | { |
| 3666 | PyObject *value = 0, *key = 0, *dict = 0; |
| 3667 | int len, i, r=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3668 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3669 | if (!( (len=self->stack->length) >= x |
| 3670 | && x > 0 )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3671 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3672 | dict=self->stack->data[x-1]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3673 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3674 | for (i = x+1; i < len; i += 2) { |
| 3675 | key =self->stack->data[i-1]; |
| 3676 | value=self->stack->data[i ]; |
| 3677 | if (PyObject_SetItem(dict, key, value) < 0) { |
| 3678 | r=-1; |
| 3679 | break; |
| 3680 | } |
| 3681 | } |
| 3682 | |
| 3683 | Pdata_clear(self->stack, x); |
| 3684 | |
| 3685 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3686 | } |
| 3687 | |
| 3688 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3689 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3690 | load_setitem(Unpicklerobject *self) |
| 3691 | { |
| 3692 | return do_setitems(self, self->stack->length - 2); |
| 3693 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3694 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3695 | static int |
| 3696 | load_setitems(Unpicklerobject *self) |
| 3697 | { |
| 3698 | return do_setitems(self, marker(self)); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3699 | } |
| 3700 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3701 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3702 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3703 | load_build(Unpicklerobject *self) |
| 3704 | { |
| 3705 | PyObject *value = 0, *inst = 0, *instdict = 0, *d_key = 0, *d_value = 0, |
| 3706 | *junk = 0, *__setstate__ = 0; |
| 3707 | int i, r = 0; |
| 3708 | |
| 3709 | if (self->stack->length < 2) return stackUnderflow(); |
| 3710 | PDATA_POP(self->stack, value); |
| 3711 | if (! value) return -1; |
| 3712 | inst=self->stack->data[self->stack->length-1]; |
| 3713 | |
| 3714 | if ((__setstate__ = PyObject_GetAttr(inst, __setstate___str))) { |
| 3715 | ARG_TUP(self, value); |
| 3716 | if (self->arg) { |
| 3717 | junk = PyObject_Call(__setstate__, self->arg, NULL); |
| 3718 | FREE_ARG_TUP(self); |
| 3719 | } |
| 3720 | Py_DECREF(__setstate__); |
| 3721 | if (! junk) return -1; |
| 3722 | Py_DECREF(junk); |
| 3723 | return 0; |
| 3724 | } |
| 3725 | |
| 3726 | PyErr_Clear(); |
| 3727 | if ((instdict = PyObject_GetAttr(inst, __dict___str))) { |
| 3728 | i = 0; |
| 3729 | while (PyDict_Next(value, &i, &d_key, &d_value)) { |
| 3730 | if (PyObject_SetItem(instdict, d_key, d_value) < 0) { |
| 3731 | r=-1; |
| 3732 | break; |
| 3733 | } |
| 3734 | } |
| 3735 | Py_DECREF(instdict); |
| 3736 | } |
| 3737 | else r=-1; |
| 3738 | |
| 3739 | Py_XDECREF(value); |
| 3740 | |
| 3741 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3742 | } |
| 3743 | |
| 3744 | |
| 3745 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3746 | load_mark(Unpicklerobject *self) |
| 3747 | { |
| 3748 | int s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3749 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3750 | /* Note that we split the (pickle.py) stack into two stacks, an |
| 3751 | object stack and a mark stack. Here we push a mark onto the |
| 3752 | mark stack. |
| 3753 | */ |
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 ((self->num_marks + 1) >= self->marks_size) { |
| 3756 | s=self->marks_size+20; |
| 3757 | if (s <= self->num_marks) s=self->num_marks + 1; |
| 3758 | if (self->marks == NULL) |
| 3759 | self->marks=(int *)malloc(s * sizeof(int)); |
| 3760 | else |
| 3761 | self->marks=(int *)realloc(self->marks, |
| 3762 | s * sizeof(int)); |
| 3763 | if (! self->marks) { |
| 3764 | PyErr_NoMemory(); |
| 3765 | return -1; |
| 3766 | } |
| 3767 | self->marks_size = s; |
| 3768 | } |
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 | self->marks[self->num_marks++] = self->stack->length; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3771 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3772 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3773 | } |
| 3774 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3775 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3776 | load_reduce(Unpicklerobject *self) |
| 3777 | { |
| 3778 | PyObject *callable = 0, *arg_tup = 0, *ob = 0; |
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 | PDATA_POP(self->stack, arg_tup); |
| 3781 | if (! arg_tup) return -1; |
| 3782 | PDATA_POP(self->stack, callable); |
| 3783 | if (callable) { |
| 3784 | ob = Instance_New(callable, arg_tup); |
| 3785 | Py_DECREF(callable); |
| 3786 | } |
| 3787 | Py_DECREF(arg_tup); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3788 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3789 | if (! ob) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3790 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3791 | PDATA_PUSH(self->stack, ob, -1); |
| 3792 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3793 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3794 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3795 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3796 | load(Unpicklerobject *self) |
| 3797 | { |
| 3798 | PyObject *err = 0, *val = 0; |
| 3799 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3800 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3801 | self->num_marks = 0; |
| 3802 | if (self->stack->length) Pdata_clear(self->stack, 0); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3803 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3804 | while (1) { |
| 3805 | if ((*self->read_func)(self, &s, 1) < 0) |
| 3806 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3807 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3808 | switch (s[0]) { |
| 3809 | case NONE: |
| 3810 | if (load_none(self) < 0) |
| 3811 | break; |
| 3812 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3813 | |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame^] | 3814 | case FALSE: |
| 3815 | if (load_false(self) < 0) |
| 3816 | break; |
| 3817 | continue; |
| 3818 | |
| 3819 | case TRUE: |
| 3820 | if (load_true(self) < 0) |
| 3821 | break; |
| 3822 | continue; |
| 3823 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3824 | case BININT: |
| 3825 | if (load_binint(self) < 0) |
| 3826 | break; |
| 3827 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3828 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3829 | case BININT1: |
| 3830 | if (load_binint1(self) < 0) |
| 3831 | break; |
| 3832 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3833 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3834 | case BININT2: |
| 3835 | if (load_binint2(self) < 0) |
| 3836 | break; |
| 3837 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3838 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3839 | case INT: |
| 3840 | if (load_int(self) < 0) |
| 3841 | break; |
| 3842 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3843 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3844 | case LONG: |
| 3845 | if (load_long(self) < 0) |
| 3846 | break; |
| 3847 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3848 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3849 | case FLOAT: |
| 3850 | if (load_float(self) < 0) |
| 3851 | break; |
| 3852 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3853 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3854 | case BINFLOAT: |
| 3855 | if (load_binfloat(self) < 0) |
| 3856 | break; |
| 3857 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3858 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3859 | case BINSTRING: |
| 3860 | if (load_binstring(self) < 0) |
| 3861 | break; |
| 3862 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3863 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3864 | case SHORT_BINSTRING: |
| 3865 | if (load_short_binstring(self) < 0) |
| 3866 | break; |
| 3867 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3868 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3869 | case STRING: |
| 3870 | if (load_string(self) < 0) |
| 3871 | break; |
| 3872 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3873 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3874 | #ifdef Py_USING_UNICODE |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3875 | case UNICODE: |
| 3876 | if (load_unicode(self) < 0) |
| 3877 | break; |
| 3878 | continue; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3879 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3880 | case BINUNICODE: |
| 3881 | if (load_binunicode(self) < 0) |
| 3882 | break; |
| 3883 | continue; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3884 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3885 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3886 | case EMPTY_TUPLE: |
| 3887 | if (load_empty_tuple(self) < 0) |
| 3888 | break; |
| 3889 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3890 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3891 | case TUPLE: |
| 3892 | if (load_tuple(self) < 0) |
| 3893 | break; |
| 3894 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3895 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3896 | case EMPTY_LIST: |
| 3897 | if (load_empty_list(self) < 0) |
| 3898 | break; |
| 3899 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3900 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3901 | case LIST: |
| 3902 | if (load_list(self) < 0) |
| 3903 | break; |
| 3904 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3905 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3906 | case EMPTY_DICT: |
| 3907 | if (load_empty_dict(self) < 0) |
| 3908 | break; |
| 3909 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3910 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3911 | case DICT: |
| 3912 | if (load_dict(self) < 0) |
| 3913 | break; |
| 3914 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3915 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3916 | case OBJ: |
| 3917 | if (load_obj(self) < 0) |
| 3918 | break; |
| 3919 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3920 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3921 | case INST: |
| 3922 | if (load_inst(self) < 0) |
| 3923 | break; |
| 3924 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3925 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3926 | case GLOBAL: |
| 3927 | if (load_global(self) < 0) |
| 3928 | break; |
| 3929 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3930 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3931 | case APPEND: |
| 3932 | if (load_append(self) < 0) |
| 3933 | break; |
| 3934 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3935 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3936 | case APPENDS: |
| 3937 | if (load_appends(self) < 0) |
| 3938 | break; |
| 3939 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3940 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3941 | case BUILD: |
| 3942 | if (load_build(self) < 0) |
| 3943 | break; |
| 3944 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3945 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3946 | case DUP: |
| 3947 | if (load_dup(self) < 0) |
| 3948 | break; |
| 3949 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3950 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3951 | case BINGET: |
| 3952 | if (load_binget(self) < 0) |
| 3953 | break; |
| 3954 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3955 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3956 | case LONG_BINGET: |
| 3957 | if (load_long_binget(self) < 0) |
| 3958 | break; |
| 3959 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3960 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3961 | case GET: |
| 3962 | if (load_get(self) < 0) |
| 3963 | break; |
| 3964 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3965 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3966 | case MARK: |
| 3967 | if (load_mark(self) < 0) |
| 3968 | break; |
| 3969 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3970 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3971 | case BINPUT: |
| 3972 | if (load_binput(self) < 0) |
| 3973 | break; |
| 3974 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3975 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3976 | case LONG_BINPUT: |
| 3977 | if (load_long_binput(self) < 0) |
| 3978 | break; |
| 3979 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3980 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3981 | case PUT: |
| 3982 | if (load_put(self) < 0) |
| 3983 | break; |
| 3984 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3985 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3986 | case POP: |
| 3987 | if (load_pop(self) < 0) |
| 3988 | break; |
| 3989 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3990 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3991 | case POP_MARK: |
| 3992 | if (load_pop_mark(self) < 0) |
| 3993 | break; |
| 3994 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3995 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3996 | case SETITEM: |
| 3997 | if (load_setitem(self) < 0) |
| 3998 | break; |
| 3999 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4000 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4001 | case SETITEMS: |
| 4002 | if (load_setitems(self) < 0) |
| 4003 | break; |
| 4004 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4005 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4006 | case STOP: |
| 4007 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4008 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4009 | case PERSID: |
| 4010 | if (load_persid(self) < 0) |
| 4011 | break; |
| 4012 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4013 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4014 | case BINPERSID: |
| 4015 | if (load_binpersid(self) < 0) |
| 4016 | break; |
| 4017 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4018 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4019 | case REDUCE: |
| 4020 | if (load_reduce(self) < 0) |
| 4021 | break; |
| 4022 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4023 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4024 | case '\0': |
| 4025 | /* end of file */ |
| 4026 | PyErr_SetNone(PyExc_EOFError); |
| 4027 | break; |
Neil Schemenauer | fa79c65 | 2002-03-22 23:02:53 +0000 | [diff] [blame] | 4028 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4029 | default: |
| 4030 | cPickle_ErrFormat(UnpicklingError, |
| 4031 | "invalid load key, '%s'.", |
| 4032 | "c", s[0]); |
| 4033 | return NULL; |
| 4034 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4035 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4036 | break; |
| 4037 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4038 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4039 | if ((err = PyErr_Occurred())) { |
| 4040 | if (err == PyExc_EOFError) { |
| 4041 | PyErr_SetNone(PyExc_EOFError); |
| 4042 | } |
| 4043 | return NULL; |
| 4044 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4045 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4046 | PDATA_POP(self->stack, val); |
| 4047 | return val; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4048 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4049 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4050 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4051 | /* No-load functions to support noload, which is used to |
| 4052 | find persistent references. */ |
| 4053 | |
| 4054 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4055 | noload_obj(Unpicklerobject *self) |
| 4056 | { |
| 4057 | int i; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4058 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4059 | if ((i = marker(self)) < 0) return -1; |
| 4060 | return Pdata_clear(self->stack, i+1); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4061 | } |
| 4062 | |
| 4063 | |
| 4064 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4065 | noload_inst(Unpicklerobject *self) |
| 4066 | { |
| 4067 | int i; |
| 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 | if ((i = marker(self)) < 0) return -1; |
| 4071 | Pdata_clear(self->stack, i); |
| 4072 | if ((*self->readline_func)(self, &s) < 0) return -1; |
| 4073 | if ((*self->readline_func)(self, &s) < 0) return -1; |
| 4074 | PDATA_APPEND(self->stack, Py_None,-1); |
| 4075 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4076 | } |
| 4077 | |
| 4078 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4079 | noload_global(Unpicklerobject *self) |
| 4080 | { |
| 4081 | char *s; |
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 | if ((*self->readline_func)(self, &s) < 0) return -1; |
| 4084 | if ((*self->readline_func)(self, &s) < 0) return -1; |
| 4085 | PDATA_APPEND(self->stack, Py_None,-1); |
| 4086 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4087 | } |
| 4088 | |
| 4089 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4090 | noload_reduce(Unpicklerobject *self) |
| 4091 | { |
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 | if (self->stack->length < 2) return stackUnderflow(); |
| 4094 | Pdata_clear(self->stack, self->stack->length-2); |
| 4095 | PDATA_APPEND(self->stack, Py_None,-1); |
| 4096 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4097 | } |
| 4098 | |
| 4099 | static int |
| 4100 | noload_build(Unpicklerobject *self) { |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4101 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 4102 | if (self->stack->length < 1) return stackUnderflow(); |
| 4103 | Pdata_clear(self->stack, self->stack->length-1); |
Guido van Rossum | 50f385c | 1998-12-04 18:48:44 +0000 | [diff] [blame] | 4104 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4105 | } |
| 4106 | |
| 4107 | |
| 4108 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4109 | noload(Unpicklerobject *self) |
| 4110 | { |
| 4111 | PyObject *err = 0, *val = 0; |
| 4112 | char *s; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4113 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4114 | self->num_marks = 0; |
| 4115 | Pdata_clear(self->stack, 0); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4116 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4117 | while (1) { |
| 4118 | if ((*self->read_func)(self, &s, 1) < 0) |
| 4119 | break; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4120 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4121 | switch (s[0]) { |
| 4122 | case NONE: |
| 4123 | if (load_none(self) < 0) |
| 4124 | break; |
| 4125 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4126 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4127 | case BININT: |
| 4128 | if (load_binint(self) < 0) |
| 4129 | break; |
| 4130 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4131 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4132 | case BININT1: |
| 4133 | if (load_binint1(self) < 0) |
| 4134 | break; |
| 4135 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4136 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4137 | case BININT2: |
| 4138 | if (load_binint2(self) < 0) |
| 4139 | break; |
| 4140 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4141 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4142 | case INT: |
| 4143 | if (load_int(self) < 0) |
| 4144 | break; |
| 4145 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4146 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4147 | case LONG: |
| 4148 | if (load_long(self) < 0) |
| 4149 | break; |
| 4150 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4151 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4152 | case FLOAT: |
| 4153 | if (load_float(self) < 0) |
| 4154 | break; |
| 4155 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4156 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4157 | case BINFLOAT: |
| 4158 | if (load_binfloat(self) < 0) |
| 4159 | break; |
| 4160 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4161 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4162 | case BINSTRING: |
| 4163 | if (load_binstring(self) < 0) |
| 4164 | break; |
| 4165 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4166 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4167 | case SHORT_BINSTRING: |
| 4168 | if (load_short_binstring(self) < 0) |
| 4169 | break; |
| 4170 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4171 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4172 | case STRING: |
| 4173 | if (load_string(self) < 0) |
| 4174 | break; |
| 4175 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4176 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4177 | #ifdef Py_USING_UNICODE |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4178 | case UNICODE: |
| 4179 | if (load_unicode(self) < 0) |
| 4180 | break; |
| 4181 | continue; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4182 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4183 | case BINUNICODE: |
| 4184 | if (load_binunicode(self) < 0) |
| 4185 | break; |
| 4186 | continue; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4187 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4188 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4189 | case EMPTY_TUPLE: |
| 4190 | if (load_empty_tuple(self) < 0) |
| 4191 | break; |
| 4192 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4193 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4194 | case TUPLE: |
| 4195 | if (load_tuple(self) < 0) |
| 4196 | break; |
| 4197 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4198 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4199 | case EMPTY_LIST: |
| 4200 | if (load_empty_list(self) < 0) |
| 4201 | break; |
| 4202 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4203 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4204 | case LIST: |
| 4205 | if (load_list(self) < 0) |
| 4206 | break; |
| 4207 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4208 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4209 | case EMPTY_DICT: |
| 4210 | if (load_empty_dict(self) < 0) |
| 4211 | break; |
| 4212 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4213 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4214 | case DICT: |
| 4215 | if (load_dict(self) < 0) |
| 4216 | break; |
| 4217 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4218 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4219 | case OBJ: |
| 4220 | if (noload_obj(self) < 0) |
| 4221 | break; |
| 4222 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4223 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4224 | case INST: |
| 4225 | if (noload_inst(self) < 0) |
| 4226 | break; |
| 4227 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4228 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4229 | case GLOBAL: |
| 4230 | if (noload_global(self) < 0) |
| 4231 | break; |
| 4232 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4233 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4234 | case APPEND: |
| 4235 | if (load_append(self) < 0) |
| 4236 | break; |
| 4237 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4238 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4239 | case APPENDS: |
| 4240 | if (load_appends(self) < 0) |
| 4241 | break; |
| 4242 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4243 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4244 | case BUILD: |
| 4245 | if (noload_build(self) < 0) |
| 4246 | break; |
| 4247 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4248 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4249 | case DUP: |
| 4250 | if (load_dup(self) < 0) |
| 4251 | break; |
| 4252 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4253 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4254 | case BINGET: |
| 4255 | if (load_binget(self) < 0) |
| 4256 | break; |
| 4257 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4258 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4259 | case LONG_BINGET: |
| 4260 | if (load_long_binget(self) < 0) |
| 4261 | break; |
| 4262 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4263 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4264 | case GET: |
| 4265 | if (load_get(self) < 0) |
| 4266 | break; |
| 4267 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4268 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4269 | case MARK: |
| 4270 | if (load_mark(self) < 0) |
| 4271 | break; |
| 4272 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4273 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4274 | case BINPUT: |
| 4275 | if (load_binput(self) < 0) |
| 4276 | break; |
| 4277 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4278 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4279 | case LONG_BINPUT: |
| 4280 | if (load_long_binput(self) < 0) |
| 4281 | break; |
| 4282 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4283 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4284 | case PUT: |
| 4285 | if (load_put(self) < 0) |
| 4286 | break; |
| 4287 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4288 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4289 | case POP: |
| 4290 | if (load_pop(self) < 0) |
| 4291 | break; |
| 4292 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4293 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4294 | case POP_MARK: |
| 4295 | if (load_pop_mark(self) < 0) |
| 4296 | break; |
| 4297 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4298 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4299 | case SETITEM: |
| 4300 | if (load_setitem(self) < 0) |
| 4301 | break; |
| 4302 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4303 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4304 | case SETITEMS: |
| 4305 | if (load_setitems(self) < 0) |
| 4306 | break; |
| 4307 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4308 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4309 | case STOP: |
| 4310 | break; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4311 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4312 | case PERSID: |
| 4313 | if (load_persid(self) < 0) |
| 4314 | break; |
| 4315 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4316 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4317 | case BINPERSID: |
| 4318 | if (load_binpersid(self) < 0) |
| 4319 | break; |
| 4320 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4321 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4322 | case REDUCE: |
| 4323 | if (noload_reduce(self) < 0) |
| 4324 | break; |
| 4325 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4326 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4327 | default: |
| 4328 | cPickle_ErrFormat(UnpicklingError, |
| 4329 | "invalid load key, '%s'.", |
| 4330 | "c", s[0]); |
| 4331 | return NULL; |
| 4332 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4333 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4334 | break; |
| 4335 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4336 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4337 | if ((err = PyErr_Occurred())) { |
| 4338 | if (err == PyExc_EOFError) { |
| 4339 | PyErr_SetNone(PyExc_EOFError); |
| 4340 | } |
| 4341 | return NULL; |
| 4342 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4343 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4344 | PDATA_POP(self->stack, val); |
| 4345 | return val; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4346 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4347 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4348 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4349 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4350 | Unpickler_load(Unpicklerobject *self, PyObject *args) |
| 4351 | { |
| 4352 | if (!( PyArg_ParseTuple(args, ":load"))) |
| 4353 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4354 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4355 | return load(self); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4356 | } |
| 4357 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4358 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4359 | Unpickler_noload(Unpicklerobject *self, PyObject *args) |
| 4360 | { |
| 4361 | if (!( PyArg_ParseTuple(args, ":noload"))) |
| 4362 | return NULL; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4363 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4364 | return noload(self); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4365 | } |
| 4366 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4367 | |
| 4368 | static struct PyMethodDef Unpickler_methods[] = { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4369 | {"load", (PyCFunction)Unpickler_load, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4370 | "load() -- Load a pickle" |
| 4371 | }, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4372 | {"noload", (PyCFunction)Unpickler_noload, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4373 | "noload() -- not load a pickle, but go through most of the motions\n" |
| 4374 | "\n" |
| 4375 | "This function can be used to read past a pickle without instantiating\n" |
| 4376 | "any objects or importing any modules. It can also be used to find all\n" |
| 4377 | "persistent references without instantiating any objects or importing\n" |
| 4378 | "any modules.\n" |
| 4379 | }, |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4380 | {NULL, NULL} /* sentinel */ |
| 4381 | }; |
| 4382 | |
| 4383 | |
| 4384 | static Unpicklerobject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4385 | newUnpicklerobject(PyObject *f) |
| 4386 | { |
| 4387 | Unpicklerobject *self; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4388 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4389 | if (!( self = PyObject_New(Unpicklerobject, &Unpicklertype))) |
| 4390 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4391 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4392 | self->file = NULL; |
| 4393 | self->arg = NULL; |
| 4394 | self->stack = (Pdata*)Pdata_New(); |
| 4395 | self->pers_func = NULL; |
| 4396 | self->last_string = NULL; |
| 4397 | self->marks = NULL; |
| 4398 | self->num_marks = 0; |
| 4399 | self->marks_size = 0; |
| 4400 | self->buf_size = 0; |
| 4401 | self->read = NULL; |
| 4402 | self->readline = NULL; |
| 4403 | self->safe_constructors = NULL; |
| 4404 | self->find_class = NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4405 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4406 | if (!( self->memo = PyDict_New())) |
| 4407 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4408 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4409 | Py_INCREF(f); |
| 4410 | self->file = f; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4411 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4412 | /* Set read, readline based on type of f */ |
| 4413 | if (PyFile_Check(f)) { |
| 4414 | self->fp = PyFile_AsFile(f); |
| 4415 | if (self->fp == NULL) { |
| 4416 | PyErr_SetString(PyExc_ValueError, |
| 4417 | "I/O operation on closed file"); |
| 4418 | goto err; |
| 4419 | } |
| 4420 | self->read_func = read_file; |
| 4421 | self->readline_func = readline_file; |
Guido van Rossum | c91fcaa | 1999-03-29 20:00:14 +0000 | [diff] [blame] | 4422 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4423 | else if (PycStringIO_InputCheck(f)) { |
| 4424 | self->fp = NULL; |
| 4425 | self->read_func = read_cStringIO; |
| 4426 | self->readline_func = readline_cStringIO; |
| 4427 | } |
| 4428 | else { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4429 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4430 | self->fp = NULL; |
| 4431 | self->read_func = read_other; |
| 4432 | self->readline_func = readline_other; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4433 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4434 | if (!( (self->readline = PyObject_GetAttr(f, readline_str)) && |
| 4435 | (self->read = PyObject_GetAttr(f, read_str)))) { |
| 4436 | PyErr_Clear(); |
| 4437 | PyErr_SetString( PyExc_TypeError, |
| 4438 | "argument must have 'read' and " |
| 4439 | "'readline' attributes" ); |
| 4440 | goto err; |
| 4441 | } |
| 4442 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4443 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4444 | if (PyEval_GetRestricted()) { |
| 4445 | /* Restricted execution, get private tables */ |
| 4446 | PyObject *m; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4447 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4448 | if (!( m=PyImport_Import(copy_reg_str))) goto err; |
| 4449 | self->safe_constructors=PyObject_GetAttr(m, |
| 4450 | safe_constructors_str); |
| 4451 | Py_DECREF(m); |
| 4452 | if (!( self->safe_constructors )) goto err; |
| 4453 | } |
| 4454 | else { |
| 4455 | self->safe_constructors=safe_constructors; |
| 4456 | Py_INCREF(safe_constructors); |
| 4457 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4458 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4459 | return self; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4460 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4461 | err: |
| 4462 | Py_DECREF((PyObject *)self); |
| 4463 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4464 | } |
| 4465 | |
| 4466 | |
| 4467 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4468 | get_Unpickler(PyObject *self, PyObject *args) |
| 4469 | { |
| 4470 | PyObject *file; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4471 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4472 | if (!( PyArg_ParseTuple(args, "O:Unpickler", &file))) |
| 4473 | return NULL; |
| 4474 | return (PyObject *)newUnpicklerobject(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4475 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4476 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4477 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4478 | static void |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4479 | Unpickler_dealloc(Unpicklerobject *self) |
| 4480 | { |
| 4481 | Py_XDECREF(self->readline); |
| 4482 | Py_XDECREF(self->read); |
| 4483 | Py_XDECREF(self->file); |
| 4484 | Py_XDECREF(self->memo); |
| 4485 | Py_XDECREF(self->stack); |
| 4486 | Py_XDECREF(self->pers_func); |
| 4487 | Py_XDECREF(self->arg); |
| 4488 | Py_XDECREF(self->last_string); |
| 4489 | Py_XDECREF(self->safe_constructors); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4490 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4491 | if (self->marks) { |
| 4492 | free(self->marks); |
| 4493 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4494 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4495 | if (self->buf_size) { |
| 4496 | free(self->buf); |
| 4497 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4498 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4499 | PyObject_Del(self); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4500 | } |
| 4501 | |
| 4502 | |
| 4503 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4504 | Unpickler_getattr(Unpicklerobject *self, char *name) |
| 4505 | { |
| 4506 | if (!strcmp(name, "persistent_load")) { |
| 4507 | if (!self->pers_func) { |
| 4508 | PyErr_SetString(PyExc_AttributeError, name); |
| 4509 | return NULL; |
| 4510 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4511 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4512 | Py_INCREF(self->pers_func); |
| 4513 | return self->pers_func; |
| 4514 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4515 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4516 | if (!strcmp(name, "find_global")) { |
| 4517 | if (!self->find_class) { |
| 4518 | PyErr_SetString(PyExc_AttributeError, name); |
| 4519 | return NULL; |
| 4520 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 4521 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4522 | Py_INCREF(self->find_class); |
| 4523 | return self->find_class; |
| 4524 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 4525 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4526 | if (!strcmp(name, "memo")) { |
| 4527 | if (!self->memo) { |
| 4528 | PyErr_SetString(PyExc_AttributeError, name); |
| 4529 | return NULL; |
| 4530 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4531 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4532 | Py_INCREF(self->memo); |
| 4533 | return self->memo; |
| 4534 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4535 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4536 | if (!strcmp(name, "UnpicklingError")) { |
| 4537 | Py_INCREF(UnpicklingError); |
| 4538 | return UnpicklingError; |
| 4539 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4540 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4541 | return Py_FindMethod(Unpickler_methods, (PyObject *)self, name); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4542 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4543 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4544 | |
| 4545 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4546 | Unpickler_setattr(Unpicklerobject *self, char *name, PyObject *value) |
| 4547 | { |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 4548 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4549 | if (!strcmp(name, "persistent_load")) { |
| 4550 | Py_XDECREF(self->pers_func); |
| 4551 | self->pers_func = value; |
| 4552 | Py_XINCREF(value); |
| 4553 | return 0; |
| 4554 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 4555 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4556 | if (!strcmp(name, "find_global")) { |
| 4557 | Py_XDECREF(self->find_class); |
| 4558 | self->find_class = value; |
| 4559 | Py_XINCREF(value); |
| 4560 | return 0; |
| 4561 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 4562 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4563 | if (! value) { |
| 4564 | PyErr_SetString(PyExc_TypeError, |
| 4565 | "attribute deletion is not supported"); |
| 4566 | return -1; |
| 4567 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 4568 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4569 | if (strcmp(name, "memo") == 0) { |
| 4570 | if (!PyDict_Check(value)) { |
| 4571 | PyErr_SetString(PyExc_TypeError, |
| 4572 | "memo must be a dictionary"); |
| 4573 | return -1; |
| 4574 | } |
| 4575 | Py_XDECREF(self->memo); |
| 4576 | self->memo = value; |
| 4577 | Py_INCREF(value); |
| 4578 | return 0; |
| 4579 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 4580 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4581 | PyErr_SetString(PyExc_AttributeError, name); |
| 4582 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4583 | } |
| 4584 | |
| 4585 | |
| 4586 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4587 | cpm_dump(PyObject *self, PyObject *args) |
| 4588 | { |
| 4589 | PyObject *ob, *file, *res = NULL; |
| 4590 | Picklerobject *pickler = 0; |
| 4591 | int bin = 0; |
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 | if (!( PyArg_ParseTuple(args, "OO|i", &ob, &file, &bin))) |
| 4594 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4595 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4596 | if (!( pickler = newPicklerobject(file, bin))) |
| 4597 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4598 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4599 | if (dump(pickler, ob) < 0) |
| 4600 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4601 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4602 | Py_INCREF(Py_None); |
| 4603 | res = Py_None; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4604 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4605 | finally: |
| 4606 | Py_XDECREF(pickler); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4607 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4608 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4609 | } |
| 4610 | |
| 4611 | |
| 4612 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4613 | cpm_dumps(PyObject *self, PyObject *args) |
| 4614 | { |
| 4615 | PyObject *ob, *file = 0, *res = NULL; |
| 4616 | Picklerobject *pickler = 0; |
| 4617 | int bin = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4618 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4619 | if (!( PyArg_ParseTuple(args, "O|i:dumps", &ob, &bin))) |
| 4620 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4621 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4622 | if (!( file = PycStringIO->NewOutput(128))) |
| 4623 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4624 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4625 | if (!( pickler = newPicklerobject(file, bin))) |
| 4626 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4627 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4628 | if (dump(pickler, ob) < 0) |
| 4629 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4630 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4631 | res = PycStringIO->cgetvalue(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4632 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4633 | finally: |
| 4634 | Py_XDECREF(pickler); |
| 4635 | Py_XDECREF(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4636 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4637 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4638 | } |
| 4639 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4640 | |
| 4641 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4642 | cpm_load(PyObject *self, PyObject *args) |
| 4643 | { |
| 4644 | Unpicklerobject *unpickler = 0; |
| 4645 | PyObject *ob, *res = NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4646 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4647 | if (!( PyArg_ParseTuple(args, "O:load", &ob))) |
| 4648 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4649 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4650 | if (!( unpickler = newUnpicklerobject(ob))) |
| 4651 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4652 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4653 | res = load(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4654 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4655 | finally: |
| 4656 | Py_XDECREF(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4657 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4658 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4659 | } |
| 4660 | |
| 4661 | |
| 4662 | static PyObject * |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4663 | cpm_loads(PyObject *self, PyObject *args) |
| 4664 | { |
| 4665 | PyObject *ob, *file = 0, *res = NULL; |
| 4666 | Unpicklerobject *unpickler = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4667 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4668 | if (!( PyArg_ParseTuple(args, "S:loads", &ob))) |
| 4669 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4670 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4671 | if (!( file = PycStringIO->NewInput(ob))) |
| 4672 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4673 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4674 | if (!( unpickler = newUnpicklerobject(file))) |
| 4675 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4676 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4677 | res = load(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4678 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4679 | finally: |
| 4680 | Py_XDECREF(file); |
| 4681 | Py_XDECREF(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4682 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4683 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4684 | } |
| 4685 | |
| 4686 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4687 | static char Unpicklertype__doc__[] = |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4688 | "Objects that know how to unpickle"; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4689 | |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 4690 | static PyTypeObject Unpicklertype = { |
| 4691 | PyObject_HEAD_INIT(NULL) |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4692 | 0, /*ob_size*/ |
Guido van Rossum | 1464839 | 2001-12-08 18:02:58 +0000 | [diff] [blame] | 4693 | "cPickle.Unpickler", /*tp_name*/ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4694 | sizeof(Unpicklerobject), /*tp_basicsize*/ |
| 4695 | 0, /*tp_itemsize*/ |
| 4696 | /* methods */ |
| 4697 | (destructor)Unpickler_dealloc, /*tp_dealloc*/ |
| 4698 | (printfunc)0, /*tp_print*/ |
| 4699 | (getattrfunc)Unpickler_getattr, /*tp_getattr*/ |
| 4700 | (setattrfunc)Unpickler_setattr, /*tp_setattr*/ |
| 4701 | (cmpfunc)0, /*tp_compare*/ |
| 4702 | (reprfunc)0, /*tp_repr*/ |
| 4703 | 0, /*tp_as_number*/ |
| 4704 | 0, /*tp_as_sequence*/ |
| 4705 | 0, /*tp_as_mapping*/ |
| 4706 | (hashfunc)0, /*tp_hash*/ |
| 4707 | (ternaryfunc)0, /*tp_call*/ |
| 4708 | (reprfunc)0, /*tp_str*/ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4709 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4710 | /* Space for future expansion */ |
| 4711 | 0L,0L,0L,0L, |
| 4712 | Unpicklertype__doc__ /* Documentation string */ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 4713 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4714 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4715 | static struct PyMethodDef cPickle_methods[] = { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4716 | {"dump", (PyCFunction)cpm_dump, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4717 | "dump(object, file, [binary]) --" |
| 4718 | "Write an object in pickle format to the given file\n" |
| 4719 | "\n" |
| 4720 | "If the optional argument, binary, is provided and is true, then the\n" |
| 4721 | "pickle will be written in binary format, which is more space and\n" |
| 4722 | "computationally efficient. \n" |
| 4723 | }, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4724 | {"dumps", (PyCFunction)cpm_dumps, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4725 | "dumps(object, [binary]) --" |
| 4726 | "Return a string containing an object in pickle format\n" |
| 4727 | "\n" |
| 4728 | "If the optional argument, binary, is provided and is true, then the\n" |
| 4729 | "pickle will be written in binary format, which is more space and\n" |
| 4730 | "computationally efficient. \n" |
| 4731 | }, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4732 | {"load", (PyCFunction)cpm_load, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4733 | "load(file) -- Load a pickle from the given file"}, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4734 | {"loads", (PyCFunction)cpm_loads, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4735 | "loads(string) -- Load a pickle from the given string"}, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4736 | {"Pickler", (PyCFunction)get_Pickler, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4737 | "Pickler(file, [binary]) -- Create a pickler\n" |
| 4738 | "\n" |
| 4739 | "If the optional argument, binary, is provided and is true, then\n" |
| 4740 | "pickles will be written in binary format, which is more space and\n" |
| 4741 | "computationally efficient. \n" |
| 4742 | }, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4743 | {"Unpickler", (PyCFunction)get_Unpickler, METH_VARARGS, |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4744 | "Unpickler(file) -- Create an unpickler"}, |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4745 | { NULL, NULL } |
| 4746 | }; |
| 4747 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4748 | static int |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4749 | init_stuff(PyObject *module_dict) |
| 4750 | { |
| 4751 | PyObject *copy_reg, *t, *r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4752 | |
Martin v. Löwis | 43c9d8a | 2002-04-01 12:34:33 +0000 | [diff] [blame] | 4753 | #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] | 4754 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4755 | INIT_STR(__class__); |
| 4756 | INIT_STR(__getinitargs__); |
| 4757 | INIT_STR(__dict__); |
| 4758 | INIT_STR(__getstate__); |
| 4759 | INIT_STR(__setstate__); |
| 4760 | INIT_STR(__name__); |
| 4761 | INIT_STR(__main__); |
| 4762 | INIT_STR(__reduce__); |
| 4763 | INIT_STR(write); |
| 4764 | INIT_STR(__safe_for_unpickling__); |
| 4765 | INIT_STR(append); |
| 4766 | INIT_STR(read); |
| 4767 | INIT_STR(readline); |
| 4768 | INIT_STR(copy_reg); |
| 4769 | INIT_STR(dispatch_table); |
| 4770 | INIT_STR(safe_constructors); |
| 4771 | INIT_STR(__basicnew__); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4772 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4773 | if (!( copy_reg = PyImport_ImportModule("copy_reg"))) |
| 4774 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4775 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4776 | /* These next few are special because we want to use different |
| 4777 | ones in restricted mode. */ |
| 4778 | dispatch_table = PyObject_GetAttr(copy_reg, dispatch_table_str); |
| 4779 | if (!dispatch_table) |
| 4780 | return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4781 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4782 | if (!( safe_constructors = PyObject_GetAttr(copy_reg, |
| 4783 | safe_constructors_str))) |
| 4784 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4785 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4786 | Py_DECREF(copy_reg); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4787 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4788 | /* Down to here ********************************** */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4789 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4790 | if (!( empty_tuple = PyTuple_New(0))) |
| 4791 | return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4792 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4793 | /* Ugh */ |
| 4794 | if (!( t=PyImport_ImportModule("__builtin__"))) return -1; |
| 4795 | if (PyDict_SetItemString(module_dict, "__builtins__", t) < 0) |
| 4796 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4797 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4798 | if (!( t=PyDict_New())) return -1; |
| 4799 | if (!( r=PyRun_String( |
| 4800 | "def __init__(self, *args): self.args=args\n\n" |
| 4801 | "def __str__(self):\n" |
| 4802 | " return self.args and ('%s' % self.args[0]) or '(what)'\n", |
| 4803 | Py_file_input, |
| 4804 | module_dict, t) )) return -1; |
| 4805 | Py_DECREF(r); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4806 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4807 | PickleError = PyErr_NewException("cPickle.PickleError", NULL, t); |
| 4808 | if (!PickleError) |
| 4809 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4810 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4811 | Py_DECREF(t); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4812 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4813 | PicklingError = PyErr_NewException("cPickle.PicklingError", |
| 4814 | PickleError, NULL); |
| 4815 | if (!PicklingError) |
| 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 | if (!( t=PyDict_New())) return -1; |
| 4819 | if (!( r=PyRun_String( |
| 4820 | "def __init__(self, *args): self.args=args\n\n" |
| 4821 | "def __str__(self):\n" |
| 4822 | " a=self.args\n" |
| 4823 | " a=a and type(a[0]) or '(what)'\n" |
| 4824 | " return 'Cannot pickle %s objects' % a\n" |
| 4825 | , Py_file_input, |
| 4826 | module_dict, t) )) return -1; |
| 4827 | Py_DECREF(r); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4828 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4829 | if (!( UnpickleableError = PyErr_NewException( |
| 4830 | "cPickle.UnpickleableError", PicklingError, t))) |
| 4831 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4832 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4833 | Py_DECREF(t); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4834 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4835 | if (!( UnpicklingError = PyErr_NewException("cPickle.UnpicklingError", |
| 4836 | PickleError, NULL))) |
| 4837 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4838 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4839 | if (PyDict_SetItemString(module_dict, "PickleError", |
| 4840 | PickleError) < 0) |
| 4841 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4842 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4843 | if (PyDict_SetItemString(module_dict, "PicklingError", |
| 4844 | PicklingError) < 0) |
| 4845 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4846 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4847 | if (PyDict_SetItemString(module_dict, "UnpicklingError", |
| 4848 | UnpicklingError) < 0) |
| 4849 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4850 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4851 | if (PyDict_SetItemString(module_dict, "UnpickleableError", |
| 4852 | UnpickleableError) < 0) |
| 4853 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4854 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4855 | if (!( BadPickleGet = PyString_FromString("cPickle.BadPickleGet"))) |
| 4856 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4857 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4858 | if (PyDict_SetItemString(module_dict, "BadPickleGet", |
| 4859 | BadPickleGet) < 0) |
| 4860 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4861 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4862 | PycString_IMPORT; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 4863 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4864 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4865 | } |
| 4866 | |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 4867 | #ifndef DL_EXPORT /* declarations for DLL import/export */ |
| 4868 | #define DL_EXPORT(RTYPE) RTYPE |
| 4869 | #endif |
Guido van Rossum | 50f385c | 1998-12-04 18:48:44 +0000 | [diff] [blame] | 4870 | DL_EXPORT(void) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4871 | initcPickle(void) |
| 4872 | { |
| 4873 | PyObject *m, *d, *di, *v, *k; |
| 4874 | int i; |
| 4875 | char *rev="1.71"; |
| 4876 | PyObject *format_version; |
| 4877 | PyObject *compatible_formats; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4878 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4879 | Picklertype.ob_type = &PyType_Type; |
| 4880 | Picklertype.tp_getattro = PyObject_GenericGetAttr; |
| 4881 | Picklertype.tp_setattro = PyObject_GenericSetAttr; |
| 4882 | Unpicklertype.ob_type = &PyType_Type; |
| 4883 | PdataType.ob_type = &PyType_Type; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4884 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4885 | /* Initialize some pieces. We need to do this before module creation, |
| 4886 | so we're forced to use a temporary dictionary. :( |
| 4887 | */ |
| 4888 | di=PyDict_New(); |
| 4889 | if (!di) return; |
| 4890 | if (init_stuff(di) < 0) return; |
Guido van Rossum | ebba420 | 2000-09-07 14:35:37 +0000 | [diff] [blame] | 4891 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4892 | /* Create the module and add the functions */ |
| 4893 | m = Py_InitModule4("cPickle", cPickle_methods, |
| 4894 | cPickle_module_documentation, |
| 4895 | (PyObject*)NULL,PYTHON_API_VERSION); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4896 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4897 | /* Add some symbolic constants to the module */ |
| 4898 | d = PyModule_GetDict(m); |
| 4899 | PyDict_SetItemString(d,"__version__", v = PyString_FromString(rev)); |
| 4900 | Py_XDECREF(v); |
Barry Warsaw | 93d29b6 | 1997-01-14 17:45:08 +0000 | [diff] [blame] | 4901 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4902 | /* Copy data from di. Waaa. */ |
| 4903 | for (i=0; PyDict_Next(di, &i, &k, &v); ) { |
| 4904 | if (PyObject_SetItem(d, k, v) < 0) { |
| 4905 | Py_DECREF(di); |
| 4906 | return; |
| 4907 | } |
| 4908 | } |
| 4909 | Py_DECREF(di); |
Guido van Rossum | ebba420 | 2000-09-07 14:35:37 +0000 | [diff] [blame] | 4910 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4911 | format_version = PyString_FromString("1.3"); |
| 4912 | compatible_formats = Py_BuildValue("[sss]", "1.0", "1.1", "1.2"); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4913 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4914 | PyDict_SetItemString(d, "format_version", format_version); |
| 4915 | PyDict_SetItemString(d, "compatible_formats", compatible_formats); |
| 4916 | Py_XDECREF(format_version); |
| 4917 | Py_XDECREF(compatible_formats); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4918 | } |