Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1 | #include "Python.h" |
| 2 | #include "cStringIO.h" |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 3 | #include "structmember.h" |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 5 | PyDoc_STRVAR(cPickle_module_documentation, |
Tim Peters | 64c04d1 | 2003-02-01 06:27:59 +0000 | [diff] [blame] | 6 | "C implementation and optimization of the Python pickle module."); |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 7 | |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 8 | #ifndef Py_eval_input |
| 9 | #include <graminit.h> |
| 10 | #define Py_eval_input eval_input |
Guido van Rossum | c6ef204 | 1997-08-21 02:30:45 +0000 | [diff] [blame] | 11 | #endif /* Py_eval_input */ |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 12 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 13 | #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] | 14 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 15 | #define WRITE_BUF_SIZE 256 |
| 16 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 17 | /* Bump this when new opcodes are added to the pickle protocol. */ |
| 18 | #define CURRENT_PROTOCOL_NUMBER 2 |
| 19 | |
Tim Peters | 797ec24 | 2003-02-01 06:22:36 +0000 | [diff] [blame] | 20 | /* |
| 21 | * Pickle opcodes. These must be kept in synch with pickle.py. Extensive |
| 22 | * docs are in pickletools.py. |
| 23 | */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 24 | #define MARK '(' |
| 25 | #define STOP '.' |
| 26 | #define POP '0' |
| 27 | #define POP_MARK '1' |
| 28 | #define DUP '2' |
| 29 | #define FLOAT 'F' |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 30 | #define BINFLOAT 'G' |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 31 | #define INT 'I' |
| 32 | #define BININT 'J' |
| 33 | #define BININT1 'K' |
| 34 | #define LONG 'L' |
| 35 | #define BININT2 'M' |
| 36 | #define NONE 'N' |
| 37 | #define PERSID 'P' |
| 38 | #define BINPERSID 'Q' |
| 39 | #define REDUCE 'R' |
| 40 | #define STRING 'S' |
| 41 | #define BINSTRING 'T' |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 42 | #define SHORT_BINSTRING 'U' |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 43 | #define UNICODE 'V' |
| 44 | #define BINUNICODE 'X' |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 45 | #define APPEND 'a' |
| 46 | #define BUILD 'b' |
| 47 | #define GLOBAL 'c' |
| 48 | #define DICT 'd' |
| 49 | #define EMPTY_DICT '}' |
| 50 | #define APPENDS 'e' |
| 51 | #define GET 'g' |
| 52 | #define BINGET 'h' |
| 53 | #define INST 'i' |
| 54 | #define LONG_BINGET 'j' |
| 55 | #define LIST 'l' |
| 56 | #define EMPTY_LIST ']' |
| 57 | #define OBJ 'o' |
| 58 | #define PUT 'p' |
| 59 | #define BINPUT 'q' |
| 60 | #define LONG_BINPUT 'r' |
| 61 | #define SETITEM 's' |
| 62 | #define TUPLE 't' |
| 63 | #define EMPTY_TUPLE ')' |
| 64 | #define SETITEMS 'u' |
Tim Peters | 797ec24 | 2003-02-01 06:22:36 +0000 | [diff] [blame] | 65 | |
| 66 | /* Protocol 2. */ |
| 67 | #define PROTO '\x80' /* identify pickle protocol */ |
| 68 | #define NEWOBJ '\x81' /* build object by applying cls.__new__ to argtuple */ |
| 69 | #define EXT1 '\x82' /* push object from extension registry; 1-byte index */ |
| 70 | #define EXT2 '\x83' /* ditto, but 2-byte index */ |
| 71 | #define EXT4 '\x84' /* ditto, but 4-byte index */ |
| 72 | #define TUPLE1 '\x85' /* build 1-tuple from stack top */ |
| 73 | #define TUPLE2 '\x86' /* build 2-tuple from two topmost stack items */ |
| 74 | #define TUPLE3 '\x87' /* build 3-tuple from three topmost stack items */ |
| 75 | #define NEWTRUE '\x88' /* push True */ |
| 76 | #define NEWFALSE '\x89' /* push False */ |
| 77 | #define LONG1 '\x8a' /* push long from < 256 bytes */ |
| 78 | #define LONG4 '\x8b' /* push really big long */ |
| 79 | |
| 80 | /* There aren't opcodes -- they're ways to pickle bools before protocol 2, |
| 81 | * so that unpicklers written before bools were introduced unpickle them |
| 82 | * as ints, but unpicklers after can recognize that bools were intended. |
| 83 | * Note that protocol 2 added direct ways to pickle bools. |
| 84 | */ |
Jack Jansen | 3a96702 | 2002-06-26 20:40:42 +0000 | [diff] [blame] | 85 | #undef TRUE |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 86 | #define TRUE "I01\n" |
Jack Jansen | 3a96702 | 2002-06-26 20:40:42 +0000 | [diff] [blame] | 87 | #undef FALSE |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 88 | #define FALSE "I00\n" |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 89 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 90 | static char MARKv = MARK; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 91 | |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 92 | static PyObject *PickleError; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 93 | static PyObject *PicklingError; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 94 | static PyObject *UnpickleableError; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 95 | static PyObject *UnpicklingError; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 96 | static PyObject *BadPickleGet; |
| 97 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 98 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 99 | static PyObject *dispatch_table; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 100 | static PyObject *empty_tuple; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 101 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 102 | static PyObject *__class___str, *__getinitargs___str, *__dict___str, |
| 103 | *__getstate___str, *__setstate___str, *__name___str, *__reduce___str, |
Tim Peters | 1f1b2d2 | 2003-02-01 02:16:37 +0000 | [diff] [blame] | 104 | *write_str, *append_str, |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 105 | *read_str, *readline_str, *__main___str, *__basicnew___str, |
Tim Peters | 1f1b2d2 | 2003-02-01 02:16:37 +0000 | [diff] [blame] | 106 | *copy_reg_str, *dispatch_table_str; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 107 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 108 | /************************************************************************* |
| 109 | Internal Data type for pickle data. */ |
| 110 | |
| 111 | typedef struct { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 112 | PyObject_HEAD |
| 113 | int length, size; |
| 114 | PyObject **data; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 115 | } Pdata; |
| 116 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 117 | static void |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 118 | Pdata_dealloc(Pdata *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 119 | { |
| 120 | int i; |
| 121 | PyObject **p; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 122 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 123 | 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] | 124 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 125 | if (self->data) free(self->data); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 126 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 127 | PyObject_Del(self); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 128 | } |
| 129 | |
| 130 | static PyTypeObject PdataType = { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 131 | PyObject_HEAD_INIT(NULL) 0, "cPickle.Pdata", sizeof(Pdata), 0, |
| 132 | (destructor)Pdata_dealloc, |
| 133 | 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] | 134 | }; |
| 135 | |
| 136 | #define Pdata_Check(O) ((O)->ob_type == &PdataType) |
| 137 | |
| 138 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 139 | Pdata_New(void) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 140 | { |
| 141 | Pdata *self; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 142 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 143 | if (!( self = PyObject_New(Pdata, &PdataType))) return NULL; |
| 144 | self->size=8; |
| 145 | self->length=0; |
| 146 | self->data=malloc(self->size * sizeof(PyObject*)); |
| 147 | if (self->data) return (PyObject*)self; |
| 148 | Py_DECREF(self); |
| 149 | return PyErr_NoMemory(); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 150 | } |
| 151 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 152 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 153 | stackUnderflow(void) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 154 | { |
| 155 | PyErr_SetString(UnpicklingError, "unpickling stack underflow"); |
| 156 | return -1; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 157 | } |
| 158 | |
| 159 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 160 | Pdata_clear(Pdata *self, int clearto) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 161 | { |
| 162 | int i; |
| 163 | PyObject **p; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 164 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 165 | if (clearto < 0) return stackUnderflow(); |
| 166 | if (clearto >= self->length) return 0; |
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 | for (i=self->length, p=self->data+clearto; --i >= clearto; p++) |
| 169 | Py_DECREF(*p); |
| 170 | self->length=clearto; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 171 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 172 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 173 | } |
| 174 | |
| 175 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 176 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 177 | Pdata_grow(Pdata *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 178 | { |
| 179 | if (! self->size) { |
| 180 | PyErr_NoMemory(); |
| 181 | return -1; |
| 182 | } |
| 183 | self->size *= 2; |
| 184 | self->data = realloc(self->data, self->size*sizeof(PyObject*)); |
| 185 | if (! self->data) { |
| 186 | self->size = 0; |
| 187 | PyErr_NoMemory(); |
| 188 | return -1; |
| 189 | } |
| 190 | return 0; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 191 | } |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 192 | |
| 193 | #define PDATA_POP(D,V) { \ |
| 194 | if ((D)->length) V=D->data[--((D)->length)]; \ |
| 195 | else { \ |
| 196 | PyErr_SetString(UnpicklingError, "bad pickle data"); \ |
| 197 | V=NULL; \ |
| 198 | } \ |
| 199 | } |
| 200 | |
| 201 | |
| 202 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 203 | Pdata_popTuple(Pdata *self, int start) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 204 | { |
| 205 | PyObject *r; |
| 206 | int i, j, l; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 207 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 208 | l=self->length-start; |
| 209 | if (!( r=PyTuple_New(l))) return NULL; |
| 210 | for (i=start, j=0 ; j < l; i++, j++) |
| 211 | PyTuple_SET_ITEM(r, j, self->data[i]); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 212 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 213 | self->length=start; |
| 214 | return r; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 215 | } |
| 216 | |
| 217 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 218 | Pdata_popList(Pdata *self, int start) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 219 | { |
| 220 | PyObject *r; |
| 221 | int i, j, l; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 222 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 223 | l=self->length-start; |
| 224 | if (!( r=PyList_New(l))) return NULL; |
| 225 | for (i=start, j=0 ; j < l; i++, j++) |
| 226 | PyList_SET_ITEM(r, j, self->data[i]); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 227 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 228 | self->length=start; |
| 229 | return r; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 230 | } |
| 231 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 232 | #define PDATA_APPEND(D,O,ER) { \ |
| 233 | if (((Pdata*)(D))->length == ((Pdata*)(D))->size && \ |
| 234 | Pdata_grow((Pdata*)(D)) < 0) \ |
| 235 | return ER; \ |
| 236 | Py_INCREF(O); \ |
| 237 | ((Pdata*)(D))->data[((Pdata*)(D))->length++]=O; \ |
| 238 | } |
| 239 | |
| 240 | #define PDATA_PUSH(D,O,ER) { \ |
| 241 | if (((Pdata*)(D))->length == ((Pdata*)(D))->size && \ |
| 242 | Pdata_grow((Pdata*)(D)) < 0) { \ |
| 243 | Py_DECREF(O); \ |
| 244 | return ER; \ |
| 245 | } \ |
| 246 | ((Pdata*)(D))->data[((Pdata*)(D))->length++]=O; \ |
| 247 | } |
| 248 | |
| 249 | /*************************************************************************/ |
| 250 | |
| 251 | #define ARG_TUP(self, o) { \ |
| 252 | if (self->arg || (self->arg=PyTuple_New(1))) { \ |
| 253 | Py_XDECREF(PyTuple_GET_ITEM(self->arg,0)); \ |
| 254 | PyTuple_SET_ITEM(self->arg,0,o); \ |
| 255 | } \ |
| 256 | else { \ |
| 257 | Py_DECREF(o); \ |
| 258 | } \ |
| 259 | } |
| 260 | |
| 261 | #define FREE_ARG_TUP(self) { \ |
| 262 | if (self->arg->ob_refcnt > 1) { \ |
| 263 | Py_DECREF(self->arg); \ |
| 264 | self->arg=NULL; \ |
| 265 | } \ |
| 266 | } |
| 267 | |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 268 | typedef struct Picklerobject { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 269 | PyObject_HEAD |
| 270 | FILE *fp; |
| 271 | PyObject *write; |
| 272 | PyObject *file; |
| 273 | PyObject *memo; |
| 274 | PyObject *arg; |
| 275 | PyObject *pers_func; |
| 276 | PyObject *inst_pers_func; |
Tim Peters | 797ec24 | 2003-02-01 06:22:36 +0000 | [diff] [blame] | 277 | |
| 278 | /* pickle protocol number, >= 0 */ |
| 279 | int proto; |
| 280 | |
| 281 | /* bool, true if proto > 0 */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 282 | int bin; |
Tim Peters | 797ec24 | 2003-02-01 06:22:36 +0000 | [diff] [blame] | 283 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 284 | int fast; /* Fast mode doesn't save in memo, don't use if circ ref */ |
Martin v. Löwis | 5a39530 | 2002-08-04 08:20:23 +0000 | [diff] [blame] | 285 | int nesting; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 286 | int (*write_func)(struct Picklerobject *, char *, int); |
| 287 | char *write_buf; |
| 288 | int buf_size; |
| 289 | PyObject *dispatch_table; |
| 290 | int fast_container; /* count nested container dumps */ |
| 291 | PyObject *fast_memo; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 292 | } Picklerobject; |
| 293 | |
Barry Warsaw | 52acb49 | 2001-12-21 20:04:22 +0000 | [diff] [blame] | 294 | #ifndef PY_CPICKLE_FAST_LIMIT |
| 295 | #define PY_CPICKLE_FAST_LIMIT 50 |
| 296 | #endif |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 297 | |
Jeremy Hylton | 938ace6 | 2002-07-17 16:30:39 +0000 | [diff] [blame] | 298 | static PyTypeObject Picklertype; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 299 | |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 300 | typedef struct Unpicklerobject { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 301 | PyObject_HEAD |
| 302 | FILE *fp; |
| 303 | PyObject *file; |
| 304 | PyObject *readline; |
| 305 | PyObject *read; |
| 306 | PyObject *memo; |
| 307 | PyObject *arg; |
| 308 | Pdata *stack; |
| 309 | PyObject *mark; |
| 310 | PyObject *pers_func; |
| 311 | PyObject *last_string; |
| 312 | int *marks; |
| 313 | int num_marks; |
| 314 | int marks_size; |
| 315 | int (*read_func)(struct Unpicklerobject *, char **, int); |
| 316 | int (*readline_func)(struct Unpicklerobject *, char **); |
| 317 | int buf_size; |
| 318 | char *buf; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 319 | PyObject *find_class; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 320 | } Unpicklerobject; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 321 | |
Jeremy Hylton | 938ace6 | 2002-07-17 16:30:39 +0000 | [diff] [blame] | 322 | static PyTypeObject Unpicklertype; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 323 | |
Thomas Wouters | 4789b3a | 2000-07-24 11:36:47 +0000 | [diff] [blame] | 324 | /* Forward decls that need the above structs */ |
| 325 | static int save(Picklerobject *, PyObject *, int); |
| 326 | static int put2(Picklerobject *, PyObject *); |
| 327 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 328 | int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 329 | cPickle_PyMapping_HasKey(PyObject *o, PyObject *key) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 330 | { |
| 331 | PyObject *v; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 332 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 333 | if ((v = PyObject_GetItem(o,key))) { |
| 334 | Py_DECREF(v); |
| 335 | return 1; |
| 336 | } |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 337 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 338 | PyErr_Clear(); |
| 339 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 340 | } |
| 341 | |
Guido van Rossum | d385d59 | 1997-04-09 17:47:47 +0000 | [diff] [blame] | 342 | static |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 343 | PyObject * |
Thomas Wouters | 3b6448f | 2000-07-22 23:56:07 +0000 | [diff] [blame] | 344 | cPickle_ErrFormat(PyObject *ErrType, char *stringformat, char *format, ...) |
| 345 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 346 | va_list va; |
| 347 | PyObject *args=0, *retval=0; |
| 348 | va_start(va, format); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 349 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 350 | if (format) args = Py_VaBuildValue(format, va); |
| 351 | va_end(va); |
| 352 | if (format && ! args) return NULL; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 353 | if (stringformat && !(retval=PyString_FromString(stringformat))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 354 | return NULL; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 355 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 356 | if (retval) { |
| 357 | if (args) { |
| 358 | PyObject *v; |
| 359 | v=PyString_Format(retval, args); |
| 360 | Py_DECREF(retval); |
| 361 | Py_DECREF(args); |
| 362 | if (! v) return NULL; |
| 363 | retval=v; |
| 364 | } |
| 365 | } |
| 366 | else |
| 367 | if (args) retval=args; |
| 368 | else { |
| 369 | PyErr_SetObject(ErrType,Py_None); |
| 370 | return NULL; |
| 371 | } |
| 372 | PyErr_SetObject(ErrType,retval); |
| 373 | Py_DECREF(retval); |
| 374 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 375 | } |
| 376 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 377 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 378 | write_file(Picklerobject *self, char *s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 379 | { |
| 380 | size_t nbyteswritten; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 381 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 382 | if (s == NULL) { |
| 383 | return 0; |
| 384 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 385 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 386 | Py_BEGIN_ALLOW_THREADS |
Jeremy Hylton | 7fa4bfa | 2002-07-18 20:58:57 +0000 | [diff] [blame] | 387 | nbyteswritten = fwrite(s, sizeof(char), n, self->fp); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 388 | Py_END_ALLOW_THREADS |
Jeremy Hylton | 7fa4bfa | 2002-07-18 20:58:57 +0000 | [diff] [blame] | 389 | if (nbyteswritten != (size_t)n) { |
| 390 | PyErr_SetFromErrno(PyExc_IOError); |
| 391 | return -1; |
| 392 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 393 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 394 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 395 | } |
| 396 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 397 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 398 | write_cStringIO(Picklerobject *self, char *s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 399 | { |
| 400 | if (s == NULL) { |
| 401 | return 0; |
| 402 | } |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 403 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 404 | if (PycStringIO->cwrite((PyObject *)self->file, s, n) != n) { |
| 405 | return -1; |
| 406 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 407 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 408 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 409 | } |
| 410 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 411 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 412 | write_none(Picklerobject *self, char *s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 413 | { |
| 414 | if (s == NULL) return 0; |
| 415 | return n; |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 416 | } |
| 417 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 418 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 419 | write_other(Picklerobject *self, char *s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 420 | { |
| 421 | PyObject *py_str = 0, *junk = 0; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 422 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 423 | if (s == NULL) { |
| 424 | if (!( self->buf_size )) return 0; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 425 | py_str = PyString_FromStringAndSize(self->write_buf, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 426 | self->buf_size); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 427 | if (!py_str) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 428 | return -1; |
| 429 | } |
| 430 | else { |
| 431 | if (self->buf_size && (n + self->buf_size) > WRITE_BUF_SIZE) { |
| 432 | if (write_other(self, NULL, 0) < 0) |
| 433 | return -1; |
| 434 | } |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 435 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 436 | if (n > WRITE_BUF_SIZE) { |
| 437 | if (!( py_str = |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 438 | PyString_FromStringAndSize(s, n))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 439 | return -1; |
| 440 | } |
| 441 | else { |
| 442 | memcpy(self->write_buf + self->buf_size, s, n); |
| 443 | self->buf_size += n; |
| 444 | return n; |
| 445 | } |
| 446 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 447 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 448 | if (self->write) { |
| 449 | /* object with write method */ |
| 450 | ARG_TUP(self, py_str); |
| 451 | if (self->arg) { |
| 452 | junk = PyObject_Call(self->write, self->arg, NULL); |
| 453 | FREE_ARG_TUP(self); |
| 454 | } |
| 455 | if (junk) Py_DECREF(junk); |
| 456 | else return -1; |
| 457 | } |
| 458 | else |
| 459 | PDATA_PUSH(self->file, py_str, -1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 460 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 461 | self->buf_size = 0; |
| 462 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 463 | } |
| 464 | |
| 465 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 466 | static int |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 467 | read_file(Unpicklerobject *self, char **s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 468 | { |
| 469 | size_t nbytesread; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 470 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 471 | if (self->buf_size == 0) { |
| 472 | int size; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 473 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 474 | size = ((n < 32) ? 32 : n); |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 475 | if (!( self->buf = (char *)malloc(size))) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 476 | PyErr_NoMemory(); |
| 477 | return -1; |
| 478 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 479 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 480 | self->buf_size = size; |
| 481 | } |
| 482 | else if (n > self->buf_size) { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 483 | self->buf = (char *)realloc(self->buf, n); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 484 | if (!self->buf) { |
| 485 | PyErr_NoMemory(); |
| 486 | return -1; |
| 487 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 488 | self->buf_size = n; |
| 489 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 490 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 491 | Py_BEGIN_ALLOW_THREADS |
| 492 | nbytesread = fread(self->buf, sizeof(char), n, self->fp); |
| 493 | Py_END_ALLOW_THREADS |
| 494 | if (nbytesread != (size_t)n) { |
| 495 | if (feof(self->fp)) { |
| 496 | PyErr_SetNone(PyExc_EOFError); |
| 497 | return -1; |
| 498 | } |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 499 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 500 | PyErr_SetFromErrno(PyExc_IOError); |
| 501 | return -1; |
| 502 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 503 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 504 | *s = self->buf; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 505 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 506 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 507 | } |
| 508 | |
| 509 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 510 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 511 | readline_file(Unpicklerobject *self, char **s) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 512 | { |
| 513 | int i; |
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 | if (self->buf_size == 0) { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 516 | if (!( self->buf = (char *)malloc(40))) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 517 | PyErr_NoMemory(); |
| 518 | return -1; |
| 519 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 520 | self->buf_size = 40; |
| 521 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 522 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 523 | i = 0; |
| 524 | while (1) { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 525 | int bigger; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 526 | for (; i < (self->buf_size - 1); i++) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 527 | if (feof(self->fp) || |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 528 | (self->buf[i] = getc(self->fp)) == '\n') { |
| 529 | self->buf[i + 1] = '\0'; |
| 530 | *s = self->buf; |
| 531 | return i + 1; |
| 532 | } |
| 533 | } |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 534 | bigger = self->buf_size << 1; |
| 535 | if (bigger <= 0) { /* overflow */ |
| 536 | PyErr_NoMemory(); |
| 537 | return -1; |
| 538 | } |
| 539 | self->buf = (char *)realloc(self->buf, bigger); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 540 | if (!self->buf) { |
| 541 | PyErr_NoMemory(); |
| 542 | return -1; |
| 543 | } |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 544 | self->buf_size = bigger; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 545 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 546 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 547 | |
| 548 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 549 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 550 | read_cStringIO(Unpicklerobject *self, char **s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 551 | { |
| 552 | char *ptr; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 553 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 554 | if (PycStringIO->cread((PyObject *)self->file, &ptr, n) != n) { |
| 555 | PyErr_SetNone(PyExc_EOFError); |
| 556 | return -1; |
| 557 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 558 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 559 | *s = ptr; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 560 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 561 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 562 | } |
| 563 | |
| 564 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 565 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 566 | readline_cStringIO(Unpicklerobject *self, char **s) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 567 | { |
| 568 | int n; |
| 569 | char *ptr; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 570 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 571 | if ((n = PycStringIO->creadline((PyObject *)self->file, &ptr)) < 0) { |
| 572 | return -1; |
| 573 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 574 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 575 | *s = ptr; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 576 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 577 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 578 | } |
| 579 | |
| 580 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 581 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 582 | read_other(Unpicklerobject *self, char **s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 583 | { |
| 584 | PyObject *bytes, *str=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 585 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 586 | if (!( bytes = PyInt_FromLong(n))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 587 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 588 | ARG_TUP(self, bytes); |
| 589 | if (self->arg) { |
| 590 | str = PyObject_Call(self->read, self->arg, NULL); |
| 591 | FREE_ARG_TUP(self); |
| 592 | } |
| 593 | if (! str) return -1; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 594 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 595 | Py_XDECREF(self->last_string); |
| 596 | self->last_string = str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 597 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 598 | if (! (*s = PyString_AsString(str))) return -1; |
| 599 | return n; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 600 | } |
| 601 | |
| 602 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 603 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 604 | readline_other(Unpicklerobject *self, char **s) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 605 | { |
| 606 | PyObject *str; |
| 607 | int str_size; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 608 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 609 | if (!( str = PyObject_CallObject(self->readline, empty_tuple))) { |
| 610 | return -1; |
| 611 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 612 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 613 | if ((str_size = PyString_Size(str)) < 0) |
| 614 | return -1; |
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 | Py_XDECREF(self->last_string); |
| 617 | self->last_string = str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 618 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 619 | if (! (*s = PyString_AsString(str))) |
| 620 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 621 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 622 | return str_size; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 623 | } |
| 624 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 625 | /* Copy the first n bytes from s into newly malloc'ed memory, plus a |
| 626 | * trailing 0 byte. Return a pointer to that, or NULL if out of memory. |
| 627 | * The caller is responsible for free()'ing the return value. |
| 628 | */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 629 | static char * |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 630 | pystrndup(char *s, int n) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 631 | { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 632 | char *r = (char *)malloc(n+1); |
| 633 | if (r == NULL) |
| 634 | return (char*)PyErr_NoMemory(); |
| 635 | memcpy(r, s, n); |
| 636 | r[n] = 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 637 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 638 | } |
| 639 | |
| 640 | |
| 641 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 642 | get(Picklerobject *self, PyObject *id) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 643 | { |
| 644 | PyObject *value, *mv; |
| 645 | long c_value; |
| 646 | char s[30]; |
| 647 | size_t len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 648 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 649 | if (!( mv = PyDict_GetItem(self->memo, id))) { |
| 650 | PyErr_SetObject(PyExc_KeyError, id); |
| 651 | return -1; |
| 652 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 653 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 654 | if (!( value = PyTuple_GetItem(mv, 0))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 655 | return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 656 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 657 | if (!( PyInt_Check(value))) { |
| 658 | PyErr_SetString(PicklingError, "no int where int expected in memo"); |
| 659 | return -1; |
| 660 | } |
| 661 | c_value = PyInt_AS_LONG((PyIntObject*)value); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 662 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 663 | if (!self->bin) { |
| 664 | s[0] = GET; |
| 665 | PyOS_snprintf(s + 1, sizeof(s) - 1, "%ld\n", c_value); |
| 666 | len = strlen(s); |
| 667 | } |
| 668 | else if (Pdata_Check(self->file)) { |
| 669 | if (write_other(self, NULL, 0) < 0) return -1; |
| 670 | PDATA_APPEND(self->file, mv, -1); |
| 671 | return 0; |
| 672 | } |
| 673 | else { |
| 674 | if (c_value < 256) { |
| 675 | s[0] = BINGET; |
| 676 | s[1] = (int)(c_value & 0xff); |
| 677 | len = 2; |
| 678 | } |
| 679 | else { |
| 680 | s[0] = LONG_BINGET; |
| 681 | s[1] = (int)(c_value & 0xff); |
| 682 | s[2] = (int)((c_value >> 8) & 0xff); |
| 683 | s[3] = (int)((c_value >> 16) & 0xff); |
| 684 | s[4] = (int)((c_value >> 24) & 0xff); |
| 685 | len = 5; |
| 686 | } |
| 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 ((*self->write_func)(self, s, len) < 0) |
| 690 | return -1; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 691 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 692 | return 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 693 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 694 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 695 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 696 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 697 | put(Picklerobject *self, PyObject *ob) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 698 | { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 699 | if (ob->ob_refcnt < 2 || self->fast) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 700 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 701 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 702 | return put2(self, ob); |
| 703 | } |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 704 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 705 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 706 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 707 | put2(Picklerobject *self, PyObject *ob) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 708 | { |
| 709 | char c_str[30]; |
| 710 | int p; |
| 711 | size_t len; |
| 712 | int res = -1; |
| 713 | PyObject *py_ob_id = 0, *memo_len = 0, *t = 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 714 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 715 | if (self->fast) |
| 716 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 717 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 718 | if ((p = PyDict_Size(self->memo)) < 0) |
| 719 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 720 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 721 | /* Make sure memo keys are positive! */ |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 722 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 723 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 724 | if (!( py_ob_id = PyLong_FromVoidPtr(ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 725 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 726 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 727 | if (!( memo_len = PyInt_FromLong(p))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 728 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 729 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 730 | if (!( t = PyTuple_New(2))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 731 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 732 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 733 | PyTuple_SET_ITEM(t, 0, memo_len); |
| 734 | Py_INCREF(memo_len); |
| 735 | PyTuple_SET_ITEM(t, 1, ob); |
| 736 | Py_INCREF(ob); |
| 737 | |
| 738 | if (PyDict_SetItem(self->memo, py_ob_id, t) < 0) |
| 739 | goto finally; |
| 740 | |
| 741 | if (!self->bin) { |
| 742 | c_str[0] = PUT; |
| 743 | PyOS_snprintf(c_str + 1, sizeof(c_str) - 1, "%d\n", p); |
| 744 | len = strlen(c_str); |
| 745 | } |
| 746 | else if (Pdata_Check(self->file)) { |
| 747 | if (write_other(self, NULL, 0) < 0) return -1; |
| 748 | PDATA_APPEND(self->file, memo_len, -1); |
| 749 | res=0; /* Job well done ;) */ |
| 750 | goto finally; |
| 751 | } |
| 752 | else { |
| 753 | if (p >= 256) { |
| 754 | c_str[0] = LONG_BINPUT; |
| 755 | c_str[1] = (int)(p & 0xff); |
| 756 | c_str[2] = (int)((p >> 8) & 0xff); |
| 757 | c_str[3] = (int)((p >> 16) & 0xff); |
| 758 | c_str[4] = (int)((p >> 24) & 0xff); |
| 759 | len = 5; |
| 760 | } |
| 761 | else { |
| 762 | c_str[0] = BINPUT; |
| 763 | c_str[1] = p; |
| 764 | len = 2; |
| 765 | } |
| 766 | } |
| 767 | |
| 768 | if ((*self->write_func)(self, c_str, len) < 0) |
| 769 | goto finally; |
| 770 | |
| 771 | res = 0; |
| 772 | |
| 773 | finally: |
| 774 | Py_XDECREF(py_ob_id); |
| 775 | Py_XDECREF(memo_len); |
| 776 | Py_XDECREF(t); |
| 777 | |
| 778 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 779 | } |
| 780 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 781 | #define PyImport_Import cPickle_Import |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 782 | |
| 783 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 784 | PyImport_Import(PyObject *module_name) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 785 | { |
| 786 | static PyObject *silly_list=0, *__builtins___str=0, *__import___str; |
| 787 | static PyObject *standard_builtins=0; |
| 788 | PyObject *globals=0, *__import__=0, *__builtins__=0, *r=0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 789 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 790 | if (!( silly_list )) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 791 | if (!( __import___str=PyString_FromString("__import__"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 792 | return NULL; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 793 | if (!( __builtins___str=PyString_FromString("__builtins__"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 794 | return NULL; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 795 | if (!( silly_list=Py_BuildValue("[s]","__doc__"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 796 | return NULL; |
| 797 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 798 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 799 | if ((globals=PyEval_GetGlobals())) { |
| 800 | Py_INCREF(globals); |
| 801 | __builtins__=PyObject_GetItem(globals,__builtins___str); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 802 | if (!__builtins__) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 803 | goto err; |
| 804 | } |
| 805 | else { |
| 806 | PyErr_Clear(); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 807 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 808 | if (!(standard_builtins || |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 809 | (standard_builtins=PyImport_ImportModule("__builtin__")))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 810 | return NULL; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 811 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 812 | __builtins__=standard_builtins; |
| 813 | Py_INCREF(__builtins__); |
| 814 | globals = Py_BuildValue("{sO}", "__builtins__", __builtins__); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 815 | if (!globals) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 816 | goto err; |
| 817 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 818 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 819 | if (PyDict_Check(__builtins__)) { |
| 820 | __import__=PyObject_GetItem(__builtins__,__import___str); |
| 821 | if (!__import__) goto err; |
| 822 | } |
| 823 | else { |
| 824 | __import__=PyObject_GetAttr(__builtins__,__import___str); |
| 825 | if (!__import__) goto err; |
| 826 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 827 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 828 | r=PyObject_CallFunction(__import__,"OOOO", |
| 829 | module_name, globals, globals, silly_list); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 830 | if (!r) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 831 | goto err; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 832 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 833 | Py_DECREF(globals); |
| 834 | Py_DECREF(__builtins__); |
| 835 | Py_DECREF(__import__); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 836 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 837 | return r; |
| 838 | err: |
| 839 | Py_XDECREF(globals); |
| 840 | Py_XDECREF(__builtins__); |
| 841 | Py_XDECREF(__import__); |
| 842 | return NULL; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 843 | } |
| 844 | |
| 845 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 846 | whichmodule(PyObject *global, PyObject *global_name) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 847 | { |
| 848 | int i, j; |
| 849 | PyObject *module = 0, *modules_dict = 0, |
| 850 | *global_name_attr = 0, *name = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 851 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 852 | module = PyObject_GetAttrString(global, "__module__"); |
| 853 | if (module) return module; |
| 854 | PyErr_Clear(); |
Guido van Rossum | 4518823 | 1997-09-28 05:38:51 +0000 | [diff] [blame] | 855 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 856 | if (!( modules_dict = PySys_GetObject("modules"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 857 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 858 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 859 | i = 0; |
| 860 | while ((j = PyDict_Next(modules_dict, &i, &name, &module))) { |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 861 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 862 | if (PyObject_Compare(name, __main___str)==0) continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 863 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 864 | global_name_attr = PyObject_GetAttr(module, global_name); |
| 865 | if (!global_name_attr) { |
| 866 | PyErr_Clear(); |
| 867 | continue; |
| 868 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 869 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 870 | if (global_name_attr != global) { |
| 871 | Py_DECREF(global_name_attr); |
| 872 | continue; |
| 873 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 874 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 875 | Py_DECREF(global_name_attr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 876 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 877 | break; |
| 878 | } |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 879 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 880 | /* The following implements the rule in pickle.py added in 1.5 |
| 881 | that used __main__ if no module is found. I don't actually |
| 882 | like this rule. jlf |
| 883 | */ |
| 884 | if (!j) { |
| 885 | j=1; |
| 886 | name=__main___str; |
| 887 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 888 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 889 | Py_INCREF(name); |
| 890 | return name; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 891 | } |
| 892 | |
| 893 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 894 | static int |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 895 | fast_save_enter(Picklerobject *self, PyObject *obj) |
| 896 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 897 | /* if fast_container < 0, we're doing an error exit. */ |
| 898 | if (++self->fast_container >= PY_CPICKLE_FAST_LIMIT) { |
| 899 | PyObject *key = NULL; |
| 900 | if (self->fast_memo == NULL) { |
| 901 | self->fast_memo = PyDict_New(); |
| 902 | if (self->fast_memo == NULL) { |
| 903 | self->fast_container = -1; |
| 904 | return 0; |
| 905 | } |
| 906 | } |
| 907 | key = PyLong_FromVoidPtr(obj); |
| 908 | if (key == NULL) |
| 909 | return 0; |
| 910 | if (PyDict_GetItem(self->fast_memo, key)) { |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 911 | Py_DECREF(key); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 912 | PyErr_Format(PyExc_ValueError, |
| 913 | "fast mode: can't pickle cyclic objects including object type %s at %p", |
| 914 | obj->ob_type->tp_name, obj); |
| 915 | self->fast_container = -1; |
| 916 | return 0; |
| 917 | } |
| 918 | if (PyDict_SetItem(self->fast_memo, key, Py_None) < 0) { |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 919 | Py_DECREF(key); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 920 | self->fast_container = -1; |
| 921 | return 0; |
| 922 | } |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 923 | Py_DECREF(key); |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 924 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 925 | return 1; |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 926 | } |
| 927 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 928 | int |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 929 | fast_save_leave(Picklerobject *self, PyObject *obj) |
| 930 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 931 | if (self->fast_container-- >= PY_CPICKLE_FAST_LIMIT) { |
| 932 | PyObject *key = PyLong_FromVoidPtr(obj); |
| 933 | if (key == NULL) |
| 934 | return 0; |
| 935 | if (PyDict_DelItem(self->fast_memo, key) < 0) { |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 936 | Py_DECREF(key); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 937 | return 0; |
| 938 | } |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 939 | Py_DECREF(key); |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 940 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 941 | return 1; |
Jeremy Hylton | 499ab6a | 2001-10-15 21:37:58 +0000 | [diff] [blame] | 942 | } |
| 943 | |
| 944 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 945 | save_none(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 946 | { |
| 947 | static char none = NONE; |
| 948 | if ((*self->write_func)(self, &none, 1) < 0) |
| 949 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 950 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 951 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 952 | } |
| 953 | |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 954 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 955 | save_bool(Picklerobject *self, PyObject *args) |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 956 | { |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 957 | static char *buf[2] = {FALSE, TRUE}; |
| 958 | static char len[2] = {sizeof(FALSE)-1, sizeof(TRUE)-1}; |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 959 | long l = PyInt_AS_LONG((PyIntObject *)args); |
| 960 | |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 961 | if ((*self->write_func)(self, buf[l], len[l]) < 0) |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 962 | return -1; |
| 963 | |
| 964 | return 0; |
| 965 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 966 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 967 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 968 | save_int(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 969 | { |
| 970 | char c_str[32]; |
| 971 | long l = PyInt_AS_LONG((PyIntObject *)args); |
| 972 | int len = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 973 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 974 | if (!self->bin |
Guido van Rossum | de8d6d7 | 1997-05-13 18:00:44 +0000 | [diff] [blame] | 975 | #if SIZEOF_LONG > 4 |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 976 | || l > 0x7fffffffL |
| 977 | || l < -0x80000000L |
Guido van Rossum | de8d6d7 | 1997-05-13 18:00:44 +0000 | [diff] [blame] | 978 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 979 | ) { |
| 980 | /* Text-mode pickle, or long too big to fit in the 4-byte |
| 981 | * signed BININT format: store as a string. |
| 982 | */ |
| 983 | c_str[0] = INT; |
| 984 | PyOS_snprintf(c_str + 1, sizeof(c_str) - 1, "%ld\n", l); |
| 985 | if ((*self->write_func)(self, c_str, strlen(c_str)) < 0) |
| 986 | return -1; |
| 987 | } |
| 988 | else { |
| 989 | /* Binary pickle and l fits in a signed 4-byte int. */ |
| 990 | c_str[1] = (int)( l & 0xff); |
| 991 | c_str[2] = (int)((l >> 8) & 0xff); |
| 992 | c_str[3] = (int)((l >> 16) & 0xff); |
| 993 | c_str[4] = (int)((l >> 24) & 0xff); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 994 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 995 | if ((c_str[4] == 0) && (c_str[3] == 0)) { |
| 996 | if (c_str[2] == 0) { |
| 997 | c_str[0] = BININT1; |
| 998 | len = 2; |
| 999 | } |
| 1000 | else { |
| 1001 | c_str[0] = BININT2; |
| 1002 | len = 3; |
| 1003 | } |
| 1004 | } |
| 1005 | else { |
| 1006 | c_str[0] = BININT; |
| 1007 | len = 5; |
| 1008 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1009 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1010 | if ((*self->write_func)(self, c_str, len) < 0) |
| 1011 | return -1; |
| 1012 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1013 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1014 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1015 | } |
| 1016 | |
| 1017 | |
| 1018 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1019 | save_long(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1020 | { |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 1021 | int size; |
| 1022 | int res = -1; |
| 1023 | PyObject *repr = NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1024 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1025 | static char l = LONG; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1026 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 1027 | if (self->proto >= 2) { |
| 1028 | /* Linear-time pickling. */ |
| 1029 | size_t nbits; |
| 1030 | size_t nbytes; |
| 1031 | unsigned char *pdata; |
| 1032 | char c_str[5]; |
| 1033 | int i; |
| 1034 | int sign = _PyLong_Sign(args); |
| 1035 | |
| 1036 | if (sign == 0) { |
| 1037 | /* It's 0 -- an empty bytestring. */ |
| 1038 | c_str[0] = LONG1; |
| 1039 | c_str[1] = 0; |
| 1040 | i = self->write_func(self, c_str, 2); |
| 1041 | if (i < 0) goto finally; |
| 1042 | res = 0; |
| 1043 | goto finally; |
| 1044 | } |
| 1045 | nbits = _PyLong_NumBits(args); |
| 1046 | if (nbits == (size_t)-1 && PyErr_Occurred()) |
| 1047 | goto finally; |
| 1048 | /* How many bytes do we need? There are nbits >> 3 full |
| 1049 | * bytes of data, and nbits & 7 leftover bits. If there |
| 1050 | * are any leftover bits, then we clearly need another |
| 1051 | * byte. Wnat's not so obvious is that we *probably* |
| 1052 | * need another byte even if there aren't any leftovers: |
| 1053 | * the most-significant bit of the most-significant byte |
| 1054 | * acts like a sign bit, and it's usually got a sense |
| 1055 | * opposite of the one we need. The exception is longs |
| 1056 | * of the form -(2**(8*j-1)) for j > 0. Such a long is |
| 1057 | * its own 256's-complement, so has the right sign bit |
| 1058 | * even without the extra byte. That's a pain to check |
| 1059 | * for in advance, though, so we always grab an extra |
| 1060 | * byte at the start, and cut it back later if possible. |
| 1061 | */ |
| 1062 | nbytes = (nbits >> 3) + 1; |
| 1063 | if ((int)nbytes < 0 || (size_t)(int)nbytes != nbytes) { |
| 1064 | PyErr_SetString(PyExc_OverflowError, "long too large " |
| 1065 | "to pickle"); |
| 1066 | goto finally; |
| 1067 | } |
| 1068 | repr = PyString_FromStringAndSize(NULL, (int)nbytes); |
| 1069 | if (repr == NULL) goto finally; |
| 1070 | pdata = (unsigned char *)PyString_AS_STRING(repr); |
| 1071 | i = _PyLong_AsByteArray((PyLongObject *)args, |
| 1072 | pdata, nbytes, |
| 1073 | 1 /* little endian */, 1 /* signed */); |
| 1074 | if (i < 0) goto finally; |
| 1075 | /* If the long is negative, this may be a byte more than |
| 1076 | * needed. This is so iff the MSB is all redundant sign |
| 1077 | * bits. |
| 1078 | */ |
| 1079 | if (sign < 0 && nbytes > 1 && pdata[nbytes - 1] == 0xff && |
| 1080 | (pdata[nbytes - 2] & 0x80) != 0) |
| 1081 | --nbytes; |
| 1082 | |
| 1083 | if (nbytes < 256) { |
| 1084 | c_str[0] = LONG1; |
| 1085 | c_str[1] = (char)nbytes; |
| 1086 | size = 2; |
| 1087 | } |
| 1088 | else { |
| 1089 | c_str[0] = LONG4; |
| 1090 | size = (int)nbytes; |
| 1091 | for (i = 1; i < 5; i++) { |
| 1092 | c_str[i] = (char)(size & 0xff); |
| 1093 | size >>= 8; |
| 1094 | } |
| 1095 | size = 5; |
| 1096 | } |
| 1097 | i = self->write_func(self, c_str, size); |
| 1098 | if (i < 0) goto finally; |
| 1099 | i = self->write_func(self, (char *)pdata, (int)nbytes); |
| 1100 | if (i < 0) goto finally; |
| 1101 | res = 0; |
| 1102 | goto finally; |
| 1103 | } |
| 1104 | |
| 1105 | /* proto < 2: write the repr and newline. This is quadratic-time |
| 1106 | * (in the number of digits), in both directions. |
| 1107 | */ |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1108 | if (!( repr = PyObject_Repr(args))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1109 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1110 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1111 | if ((size = PyString_Size(repr)) < 0) |
| 1112 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1113 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1114 | if ((*self->write_func)(self, &l, 1) < 0) |
| 1115 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1116 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1117 | if ((*self->write_func)(self, |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1118 | PyString_AS_STRING((PyStringObject *)repr), |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1119 | size) < 0) |
| 1120 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1121 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1122 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1123 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1124 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1125 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1126 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1127 | finally: |
| 1128 | Py_XDECREF(repr); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1129 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1130 | } |
| 1131 | |
| 1132 | |
| 1133 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1134 | save_float(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1135 | { |
| 1136 | double x = PyFloat_AS_DOUBLE((PyFloatObject *)args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1137 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1138 | if (self->bin) { |
| 1139 | int s, e; |
| 1140 | double f; |
| 1141 | long fhi, flo; |
| 1142 | char str[9]; |
| 1143 | unsigned char *p = (unsigned char *)str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1144 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1145 | *p = BINFLOAT; |
| 1146 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1147 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1148 | if (x < 0) { |
| 1149 | s = 1; |
| 1150 | x = -x; |
| 1151 | } |
| 1152 | else |
| 1153 | s = 0; |
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 | f = frexp(x, &e); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1156 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1157 | /* Normalize f to be in the range [1.0, 2.0) */ |
| 1158 | if (0.5 <= f && f < 1.0) { |
| 1159 | f *= 2.0; |
| 1160 | e--; |
| 1161 | } |
| 1162 | else if (f == 0.0) { |
| 1163 | e = 0; |
| 1164 | } |
| 1165 | else { |
| 1166 | PyErr_SetString(PyExc_SystemError, |
| 1167 | "frexp() result out of range"); |
| 1168 | return -1; |
| 1169 | } |
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 | if (e >= 1024) { |
| 1172 | /* XXX 1024 itself is reserved for Inf/NaN */ |
| 1173 | PyErr_SetString(PyExc_OverflowError, |
| 1174 | "float too large to pack with d format"); |
| 1175 | return -1; |
| 1176 | } |
| 1177 | else if (e < -1022) { |
| 1178 | /* Gradual underflow */ |
| 1179 | f = ldexp(f, 1022 + e); |
| 1180 | e = 0; |
| 1181 | } |
| 1182 | else if (!(e == 0 && f == 0.0)) { |
| 1183 | e += 1023; |
| 1184 | f -= 1.0; /* Get rid of leading 1 */ |
| 1185 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1186 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1187 | /* fhi receives the high 28 bits; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1188 | flo the low 24 bits (== 52 bits) */ |
| 1189 | f *= 268435456.0; /* 2**28 */ |
| 1190 | fhi = (long) floor(f); /* Truncate */ |
| 1191 | f -= (double)fhi; |
| 1192 | f *= 16777216.0; /* 2**24 */ |
| 1193 | flo = (long) floor(f + 0.5); /* Round */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1194 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1195 | /* First byte */ |
| 1196 | *p = (s<<7) | (e>>4); |
| 1197 | p++; |
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 | /* Second byte */ |
| 1200 | *p = (unsigned char) (((e&0xF)<<4) | (fhi>>24)); |
| 1201 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1202 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1203 | /* Third byte */ |
| 1204 | *p = (unsigned char) ((fhi>>16) & 0xFF); |
| 1205 | p++; |
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 | /* Fourth byte */ |
| 1208 | *p = (unsigned char) ((fhi>>8) & 0xFF); |
| 1209 | p++; |
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 | /* Fifth byte */ |
| 1212 | *p = (unsigned char) (fhi & 0xFF); |
| 1213 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1214 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1215 | /* Sixth byte */ |
| 1216 | *p = (unsigned char) ((flo>>16) & 0xFF); |
| 1217 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1218 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1219 | /* Seventh byte */ |
| 1220 | *p = (unsigned char) ((flo>>8) & 0xFF); |
| 1221 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1222 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1223 | /* Eighth byte */ |
| 1224 | *p = (unsigned char) (flo & 0xFF); |
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 ((*self->write_func)(self, str, 9) < 0) |
| 1227 | return -1; |
| 1228 | } |
| 1229 | else { |
| 1230 | char c_str[250]; |
| 1231 | c_str[0] = FLOAT; |
| 1232 | 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] | 1233 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1234 | if ((*self->write_func)(self, c_str, strlen(c_str)) < 0) |
| 1235 | return -1; |
| 1236 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1237 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1238 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1239 | } |
| 1240 | |
| 1241 | |
| 1242 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1243 | save_string(Picklerobject *self, PyObject *args, int doput) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1244 | { |
| 1245 | int size, len; |
| 1246 | PyObject *repr=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1247 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1248 | if ((size = PyString_Size(args)) < 0) |
| 1249 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1250 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1251 | if (!self->bin) { |
| 1252 | char *repr_str; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1253 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1254 | static char string = STRING; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1255 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1256 | if (!( repr = PyObject_Repr(args))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 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 | if ((len = PyString_Size(repr)) < 0) |
| 1260 | goto err; |
| 1261 | repr_str = PyString_AS_STRING((PyStringObject *)repr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1262 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1263 | if ((*self->write_func)(self, &string, 1) < 0) |
| 1264 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1265 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1266 | if ((*self->write_func)(self, repr_str, len) < 0) |
| 1267 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1268 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1269 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1270 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1271 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1272 | Py_XDECREF(repr); |
| 1273 | } |
| 1274 | else { |
| 1275 | int i; |
| 1276 | char c_str[5]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1277 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1278 | if ((size = PyString_Size(args)) < 0) |
| 1279 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1280 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1281 | if (size < 256) { |
| 1282 | c_str[0] = SHORT_BINSTRING; |
| 1283 | c_str[1] = size; |
| 1284 | len = 2; |
| 1285 | } |
| 1286 | else { |
| 1287 | c_str[0] = BINSTRING; |
| 1288 | for (i = 1; i < 5; i++) |
| 1289 | c_str[i] = (int)(size >> ((i - 1) * 8)); |
| 1290 | len = 5; |
| 1291 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1292 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1293 | if ((*self->write_func)(self, c_str, len) < 0) |
| 1294 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1295 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1296 | if (size > 128 && Pdata_Check(self->file)) { |
| 1297 | if (write_other(self, NULL, 0) < 0) return -1; |
| 1298 | PDATA_APPEND(self->file, args, -1); |
| 1299 | } |
| 1300 | else { |
| 1301 | if ((*self->write_func)(self, |
| 1302 | PyString_AS_STRING((PyStringObject *)args), size) < 0) |
| 1303 | return -1; |
| 1304 | } |
| 1305 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1306 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1307 | if (doput) |
| 1308 | if (put(self, args) < 0) |
| 1309 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1310 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1311 | return 0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1312 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1313 | err: |
| 1314 | Py_XDECREF(repr); |
| 1315 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1316 | } |
| 1317 | |
| 1318 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1319 | #ifdef Py_USING_UNICODE |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1320 | /* A copy of PyUnicode_EncodeRawUnicodeEscape() that also translates |
| 1321 | backslash and newline characters to \uXXXX escapes. */ |
| 1322 | static PyObject * |
| 1323 | modified_EncodeRawUnicodeEscape(const Py_UNICODE *s, int size) |
| 1324 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1325 | PyObject *repr; |
| 1326 | char *p; |
| 1327 | char *q; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1328 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1329 | static const char *hexdigit = "0123456789ABCDEF"; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1330 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1331 | repr = PyString_FromStringAndSize(NULL, 6 * size); |
| 1332 | if (repr == NULL) |
| 1333 | return NULL; |
| 1334 | if (size == 0) |
| 1335 | return repr; |
| 1336 | |
| 1337 | p = q = PyString_AS_STRING(repr); |
| 1338 | while (size-- > 0) { |
| 1339 | Py_UNICODE ch = *s++; |
| 1340 | /* Map 16-bit characters to '\uxxxx' */ |
| 1341 | if (ch >= 256 || ch == '\\' || ch == '\n') { |
| 1342 | *p++ = '\\'; |
| 1343 | *p++ = 'u'; |
| 1344 | *p++ = hexdigit[(ch >> 12) & 0xf]; |
| 1345 | *p++ = hexdigit[(ch >> 8) & 0xf]; |
| 1346 | *p++ = hexdigit[(ch >> 4) & 0xf]; |
| 1347 | *p++ = hexdigit[ch & 15]; |
| 1348 | } |
| 1349 | /* Copy everything else as-is */ |
| 1350 | else |
| 1351 | *p++ = (char) ch; |
| 1352 | } |
| 1353 | *p = '\0'; |
Tim Peters | 5de9842 | 2002-04-27 18:44:32 +0000 | [diff] [blame] | 1354 | _PyString_Resize(&repr, p - q); |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1355 | return repr; |
Guido van Rossum | fb10c3f | 2000-12-19 02:08:38 +0000 | [diff] [blame] | 1356 | } |
| 1357 | |
| 1358 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1359 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1360 | save_unicode(Picklerobject *self, PyObject *args, int doput) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1361 | { |
| 1362 | int size, len; |
| 1363 | PyObject *repr=0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1364 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1365 | if (!PyUnicode_Check(args)) |
| 1366 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1367 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1368 | if (!self->bin) { |
| 1369 | char *repr_str; |
| 1370 | static char string = UNICODE; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1371 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1372 | repr = modified_EncodeRawUnicodeEscape( |
| 1373 | PyUnicode_AS_UNICODE(args), PyUnicode_GET_SIZE(args)); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1374 | if (!repr) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1375 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1376 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1377 | if ((len = PyString_Size(repr)) < 0) |
| 1378 | goto err; |
| 1379 | repr_str = PyString_AS_STRING((PyStringObject *)repr); |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1380 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1381 | if ((*self->write_func)(self, &string, 1) < 0) |
| 1382 | goto err; |
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 | if ((*self->write_func)(self, repr_str, len) < 0) |
| 1385 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1386 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1387 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1388 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1389 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1390 | Py_XDECREF(repr); |
| 1391 | } |
| 1392 | else { |
| 1393 | int i; |
| 1394 | char c_str[5]; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1395 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1396 | if (!( repr = PyUnicode_AsUTF8String(args))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1397 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1398 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1399 | if ((size = PyString_Size(repr)) < 0) |
| 1400 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1401 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1402 | c_str[0] = BINUNICODE; |
| 1403 | for (i = 1; i < 5; i++) |
| 1404 | c_str[i] = (int)(size >> ((i - 1) * 8)); |
| 1405 | len = 5; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1406 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1407 | if ((*self->write_func)(self, c_str, len) < 0) |
| 1408 | goto err; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1409 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1410 | if (size > 128 && Pdata_Check(self->file)) { |
| 1411 | if (write_other(self, NULL, 0) < 0) |
| 1412 | goto err; |
| 1413 | PDATA_APPEND(self->file, repr, -1); |
| 1414 | } |
| 1415 | else { |
| 1416 | if ((*self->write_func)(self, PyString_AS_STRING(repr), |
| 1417 | size) < 0) |
| 1418 | goto err; |
| 1419 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1420 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1421 | Py_DECREF(repr); |
| 1422 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1423 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1424 | if (doput) |
| 1425 | if (put(self, args) < 0) |
| 1426 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1427 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1428 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1429 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1430 | err: |
| 1431 | Py_XDECREF(repr); |
| 1432 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1433 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 1434 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 1435 | |
| 1436 | |
| 1437 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1438 | save_tuple(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1439 | { |
| 1440 | PyObject *element = 0, *py_tuple_id = 0; |
| 1441 | int len, i, res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1442 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1443 | static char tuple = TUPLE; |
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 ((*self->write_func)(self, &MARKv, 1) < 0) |
| 1446 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1447 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1448 | if ((len = PyTuple_Size(args)) < 0) |
| 1449 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1450 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1451 | for (i = 0; i < len; i++) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1452 | if (!( element = PyTuple_GET_ITEM((PyTupleObject *)args, i))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1453 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1454 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1455 | if (save(self, element, 0) < 0) |
| 1456 | goto finally; |
| 1457 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1458 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1459 | if (!( py_tuple_id = PyLong_FromVoidPtr(args))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1460 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1461 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1462 | if (len) { |
| 1463 | if (PyDict_GetItem(self->memo, py_tuple_id)) { |
| 1464 | if (self->bin) { |
| 1465 | static char pop_mark = POP_MARK; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1466 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1467 | if ((*self->write_func)(self, &pop_mark, 1) < 0) |
| 1468 | goto finally; |
| 1469 | } |
| 1470 | else { |
| 1471 | static char pop = POP; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1472 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1473 | for (i = 0; i <= len; i++) { |
| 1474 | if ((*self->write_func)(self, &pop, 1) < 0) |
| 1475 | goto finally; |
| 1476 | } |
| 1477 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1478 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1479 | if (get(self, py_tuple_id) < 0) |
| 1480 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1481 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1482 | res = 0; |
| 1483 | goto finally; |
| 1484 | } |
| 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 ((*self->write_func)(self, &tuple, 1) < 0) { |
| 1488 | goto finally; |
| 1489 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1490 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1491 | if (put(self, args) < 0) |
| 1492 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1493 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1494 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1495 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1496 | finally: |
| 1497 | Py_XDECREF(py_tuple_id); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1498 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1499 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1500 | } |
| 1501 | |
| 1502 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1503 | save_empty_tuple(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1504 | { |
| 1505 | static char tuple = EMPTY_TUPLE; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1506 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1507 | return (*self->write_func)(self, &tuple, 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1508 | } |
| 1509 | |
| 1510 | |
| 1511 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1512 | save_list(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1513 | { |
| 1514 | PyObject *element = 0; |
| 1515 | int s_len, len, i, using_appends, res = -1; |
| 1516 | char s[3]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1517 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1518 | static char append = APPEND, appends = APPENDS; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1519 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1520 | if (self->fast && !fast_save_enter(self, args)) |
| 1521 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1522 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1523 | if (self->bin) { |
| 1524 | s[0] = EMPTY_LIST; |
| 1525 | s_len = 1; |
| 1526 | } |
| 1527 | else { |
| 1528 | s[0] = MARK; |
| 1529 | s[1] = LIST; |
| 1530 | s_len = 2; |
| 1531 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1532 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1533 | if ((len = PyList_Size(args)) < 0) |
| 1534 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1535 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1536 | if ((*self->write_func)(self, s, s_len) < 0) |
| 1537 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1538 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1539 | if (len == 0) { |
| 1540 | if (put(self, args) < 0) |
| 1541 | goto finally; |
| 1542 | } |
| 1543 | else { |
| 1544 | if (put2(self, args) < 0) |
| 1545 | goto finally; |
| 1546 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1547 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1548 | if ((using_appends = (self->bin && (len > 1)))) |
| 1549 | if ((*self->write_func)(self, &MARKv, 1) < 0) |
| 1550 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1551 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1552 | for (i = 0; i < len; i++) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1553 | if (!( element = PyList_GET_ITEM((PyListObject *)args, i))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1554 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1555 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1556 | if (save(self, element, 0) < 0) |
| 1557 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1558 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1559 | if (!using_appends) { |
| 1560 | if ((*self->write_func)(self, &append, 1) < 0) |
| 1561 | goto finally; |
| 1562 | } |
| 1563 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1564 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1565 | if (using_appends) { |
| 1566 | if ((*self->write_func)(self, &appends, 1) < 0) |
| 1567 | goto finally; |
| 1568 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1569 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1570 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1571 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1572 | finally: |
| 1573 | if (self->fast && !fast_save_leave(self, args)) |
| 1574 | res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1575 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1576 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1577 | } |
| 1578 | |
| 1579 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1580 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1581 | save_dict(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1582 | { |
| 1583 | PyObject *key = 0, *value = 0; |
| 1584 | int i, len, res = -1, using_setitems; |
| 1585 | char s[3]; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1586 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1587 | static char setitem = SETITEM, setitems = SETITEMS; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1588 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1589 | if (self->fast && !fast_save_enter(self, args)) |
| 1590 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1591 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1592 | if (self->bin) { |
| 1593 | s[0] = EMPTY_DICT; |
| 1594 | len = 1; |
| 1595 | } |
| 1596 | else { |
| 1597 | s[0] = MARK; |
| 1598 | s[1] = DICT; |
| 1599 | len = 2; |
| 1600 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1601 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1602 | if ((*self->write_func)(self, s, len) < 0) |
| 1603 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1604 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1605 | if ((len = PyDict_Size(args)) < 0) |
| 1606 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1607 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1608 | if (len == 0) { |
| 1609 | if (put(self, args) < 0) |
| 1610 | goto finally; |
| 1611 | } |
| 1612 | else { |
| 1613 | if (put2(self, args) < 0) |
| 1614 | goto finally; |
| 1615 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1616 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1617 | if ((using_setitems = (self->bin && (PyDict_Size(args) > 1)))) |
| 1618 | if ((*self->write_func)(self, &MARKv, 1) < 0) |
| 1619 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1620 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1621 | i = 0; |
| 1622 | while (PyDict_Next(args, &i, &key, &value)) { |
| 1623 | if (save(self, key, 0) < 0) |
| 1624 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1625 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1626 | if (save(self, value, 0) < 0) |
| 1627 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1628 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1629 | if (!using_setitems) { |
| 1630 | if ((*self->write_func)(self, &setitem, 1) < 0) |
| 1631 | goto finally; |
| 1632 | } |
| 1633 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1634 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1635 | if (using_setitems) { |
| 1636 | if ((*self->write_func)(self, &setitems, 1) < 0) |
| 1637 | goto finally; |
| 1638 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1639 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1640 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1641 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1642 | finally: |
| 1643 | if (self->fast && !fast_save_leave(self, args)) |
| 1644 | res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1645 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1646 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1647 | } |
| 1648 | |
| 1649 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1650 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1651 | save_inst(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1652 | { |
| 1653 | PyObject *class = 0, *module = 0, *name = 0, *state = 0, |
| 1654 | *getinitargs_func = 0, *getstate_func = 0, *class_args = 0; |
| 1655 | char *module_str, *name_str; |
| 1656 | int module_size, name_size, res = -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1657 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1658 | static char inst = INST, obj = OBJ, build = BUILD; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1659 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1660 | if (self->fast && !fast_save_enter(self, args)) |
| 1661 | goto finally; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1662 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1663 | if ((*self->write_func)(self, &MARKv, 1) < 0) |
| 1664 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1665 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1666 | if (!( class = PyObject_GetAttr(args, __class___str))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1667 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1668 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1669 | if (self->bin) { |
| 1670 | if (save(self, class, 0) < 0) |
| 1671 | goto finally; |
| 1672 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1673 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1674 | if ((getinitargs_func = PyObject_GetAttr(args, __getinitargs___str))) { |
| 1675 | PyObject *element = 0; |
| 1676 | int i, len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1677 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1678 | if (!( class_args = |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1679 | PyObject_Call(getinitargs_func, empty_tuple, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1680 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1681 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1682 | if ((len = PyObject_Size(class_args)) < 0) |
| 1683 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1684 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1685 | for (i = 0; i < len; i++) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1686 | if (!( element = PySequence_GetItem(class_args, i))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1687 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1688 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1689 | if (save(self, element, 0) < 0) { |
| 1690 | Py_DECREF(element); |
| 1691 | goto finally; |
| 1692 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1693 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1694 | Py_DECREF(element); |
| 1695 | } |
| 1696 | } |
| 1697 | else { |
| 1698 | PyErr_Clear(); |
| 1699 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1700 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1701 | if (!self->bin) { |
| 1702 | if (!( name = ((PyClassObject *)class)->cl_name )) { |
| 1703 | PyErr_SetString(PicklingError, "class has no name"); |
| 1704 | goto finally; |
| 1705 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1706 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1707 | if (!( module = whichmodule(class, name))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1708 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1709 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1710 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1711 | if ((module_size = PyString_Size(module)) < 0 || |
| 1712 | (name_size = PyString_Size(name)) < 0) |
| 1713 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1714 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1715 | module_str = PyString_AS_STRING((PyStringObject *)module); |
| 1716 | name_str = PyString_AS_STRING((PyStringObject *)name); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1717 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1718 | if ((*self->write_func)(self, &inst, 1) < 0) |
| 1719 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1720 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1721 | if ((*self->write_func)(self, module_str, module_size) < 0) |
| 1722 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1723 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1724 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1725 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1726 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1727 | if ((*self->write_func)(self, name_str, name_size) < 0) |
| 1728 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1729 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1730 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1731 | goto finally; |
| 1732 | } |
| 1733 | else if ((*self->write_func)(self, &obj, 1) < 0) { |
| 1734 | goto finally; |
| 1735 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1736 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1737 | if ((getstate_func = PyObject_GetAttr(args, __getstate___str))) { |
| 1738 | state = PyObject_Call(getstate_func, empty_tuple, NULL); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1739 | if (!state) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1740 | goto finally; |
| 1741 | } |
| 1742 | else { |
| 1743 | PyErr_Clear(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1744 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1745 | if (!( state = PyObject_GetAttr(args, __dict___str))) { |
| 1746 | PyErr_Clear(); |
| 1747 | res = 0; |
| 1748 | goto finally; |
| 1749 | } |
| 1750 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1751 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1752 | if (!PyDict_Check(state)) { |
| 1753 | if (put2(self, args) < 0) |
| 1754 | goto finally; |
| 1755 | } |
| 1756 | else { |
| 1757 | if (put(self, args) < 0) |
| 1758 | goto finally; |
| 1759 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1760 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1761 | if (save(self, state, 0) < 0) |
| 1762 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1763 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1764 | if ((*self->write_func)(self, &build, 1) < 0) |
| 1765 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1766 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1767 | res = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1768 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1769 | finally: |
| 1770 | if (self->fast && !fast_save_leave(self, args)) |
| 1771 | res = -1; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 1772 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1773 | Py_XDECREF(module); |
| 1774 | Py_XDECREF(class); |
| 1775 | Py_XDECREF(state); |
| 1776 | Py_XDECREF(getinitargs_func); |
| 1777 | Py_XDECREF(getstate_func); |
| 1778 | Py_XDECREF(class_args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1779 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1780 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1781 | } |
| 1782 | |
| 1783 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1784 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1785 | save_global(Picklerobject *self, PyObject *args, PyObject *name) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1786 | { |
Jeremy Hylton | 9ee91f1 | 2002-07-11 22:02:33 +0000 | [diff] [blame] | 1787 | PyObject *global_name = 0, *module = 0, *mod = 0, *klass = 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1788 | char *name_str, *module_str; |
| 1789 | int module_size, name_size, res = -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1790 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1791 | static char global = GLOBAL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1792 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1793 | if (name) { |
| 1794 | global_name = name; |
| 1795 | Py_INCREF(global_name); |
| 1796 | } |
| 1797 | else { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1798 | if (!( global_name = PyObject_GetAttr(args, __name___str))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1799 | goto finally; |
| 1800 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1801 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1802 | if (!( module = whichmodule(args, global_name))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1803 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1804 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1805 | if ((module_size = PyString_Size(module)) < 0 || |
| 1806 | (name_size = PyString_Size(global_name)) < 0) |
| 1807 | goto finally; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 1808 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1809 | module_str = PyString_AS_STRING((PyStringObject *)module); |
| 1810 | name_str = PyString_AS_STRING((PyStringObject *)global_name); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1811 | |
Guido van Rossum | 75bfd05 | 2002-12-24 18:10:07 +0000 | [diff] [blame] | 1812 | /* XXX This can be doing a relative import. Clearly it shouldn't, |
| 1813 | but I don't know how to stop it. :-( */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1814 | mod = PyImport_ImportModule(module_str); |
| 1815 | if (mod == NULL) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1816 | cPickle_ErrFormat(PicklingError, |
| 1817 | "Can't pickle %s: it's not found as %s.%s", |
| 1818 | "OSS", args, module, global_name); |
| 1819 | goto finally; |
| 1820 | } |
Jeremy Hylton | 0e1f7a8 | 2002-07-11 22:01:40 +0000 | [diff] [blame] | 1821 | klass = PyObject_GetAttrString(mod, name_str); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1822 | if (klass == NULL) { |
| 1823 | cPickle_ErrFormat(PicklingError, |
| 1824 | "Can't pickle %s: it's not found as %s.%s", |
| 1825 | "OSS", args, module, global_name); |
| 1826 | goto finally; |
| 1827 | } |
| 1828 | if (klass != args) { |
Jeremy Hylton | 0e1f7a8 | 2002-07-11 22:01:40 +0000 | [diff] [blame] | 1829 | Py_DECREF(klass); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1830 | cPickle_ErrFormat(PicklingError, |
| 1831 | "Can't pickle %s: it's not the same object as %s.%s", |
| 1832 | "OSS", args, module, global_name); |
| 1833 | goto finally; |
| 1834 | } |
Jeremy Hylton | 0e1f7a8 | 2002-07-11 22:01:40 +0000 | [diff] [blame] | 1835 | Py_DECREF(klass); |
Guido van Rossum | a92d16a | 2001-08-18 21:22:07 +0000 | [diff] [blame] | 1836 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1837 | if ((*self->write_func)(self, &global, 1) < 0) |
| 1838 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1839 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1840 | if ((*self->write_func)(self, module_str, module_size) < 0) |
| 1841 | goto finally; |
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, "\n", 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 ((*self->write_func)(self, name_str, name_size) < 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, "\n", 1) < 0) |
| 1850 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1851 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1852 | if (put(self, args) < 0) |
| 1853 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1854 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1855 | res = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1856 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1857 | finally: |
| 1858 | Py_XDECREF(module); |
| 1859 | Py_XDECREF(global_name); |
| 1860 | Py_XDECREF(mod); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1861 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1862 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1863 | } |
| 1864 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1865 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1866 | save_pers(Picklerobject *self, PyObject *args, PyObject *f) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1867 | { |
| 1868 | PyObject *pid = 0; |
| 1869 | int size, res = -1; |
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 | static char persid = PERSID, binpersid = BINPERSID; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1872 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1873 | Py_INCREF(args); |
| 1874 | ARG_TUP(self, args); |
| 1875 | if (self->arg) { |
| 1876 | pid = PyObject_Call(f, self->arg, NULL); |
| 1877 | FREE_ARG_TUP(self); |
| 1878 | } |
| 1879 | if (! pid) return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1880 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1881 | if (pid != Py_None) { |
| 1882 | if (!self->bin) { |
| 1883 | if (!PyString_Check(pid)) { |
| 1884 | PyErr_SetString(PicklingError, |
| 1885 | "persistent id must be string"); |
| 1886 | goto finally; |
| 1887 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1888 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1889 | if ((*self->write_func)(self, &persid, 1) < 0) |
| 1890 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1891 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1892 | if ((size = PyString_Size(pid)) < 0) |
| 1893 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1894 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1895 | if ((*self->write_func)(self, |
| 1896 | PyString_AS_STRING((PyStringObject *)pid), size) < 0) |
| 1897 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1898 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1899 | if ((*self->write_func)(self, "\n", 1) < 0) |
| 1900 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1901 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1902 | res = 1; |
| 1903 | goto finally; |
| 1904 | } |
| 1905 | else if (save(self, pid, 1) >= 0) { |
| 1906 | if ((*self->write_func)(self, &binpersid, 1) < 0) |
| 1907 | res = -1; |
| 1908 | else |
| 1909 | res = 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 | goto finally; |
| 1913 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1914 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1915 | res = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1916 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1917 | finally: |
| 1918 | Py_XDECREF(pid); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1919 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1920 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1921 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1922 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1923 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1924 | static int |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1925 | save_reduce(Picklerobject *self, PyObject *callable, |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1926 | PyObject *tup, PyObject *state, PyObject *ob) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1927 | { |
| 1928 | static char reduce = REDUCE, build = BUILD; |
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 (save(self, callable, 0) < 0) |
| 1931 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1932 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1933 | if (save(self, tup, 0) < 0) |
| 1934 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1935 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1936 | if ((*self->write_func)(self, &reduce, 1) < 0) |
| 1937 | return -1; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1938 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1939 | if (ob != NULL) { |
| 1940 | if (state && !PyDict_Check(state)) { |
| 1941 | if (put2(self, ob) < 0) |
| 1942 | return -1; |
| 1943 | } |
| 1944 | else { |
| 1945 | if (put(self, ob) < 0) |
| 1946 | return -1; |
| 1947 | } |
| 1948 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 1949 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1950 | if (state) { |
| 1951 | if (save(self, state, 0) < 0) |
| 1952 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1953 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1954 | if ((*self->write_func)(self, &build, 1) < 0) |
| 1955 | return -1; |
| 1956 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1957 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1958 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1959 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1960 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1961 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 1962 | save(Picklerobject *self, PyObject *args, int pers_save) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1963 | { |
| 1964 | PyTypeObject *type; |
| 1965 | PyObject *py_ob_id = 0, *__reduce__ = 0, *t = 0, *arg_tup = 0, |
| 1966 | *callable = 0, *state = 0; |
| 1967 | int res = -1, tmp, size; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1968 | |
Martin v. Löwis | 5a39530 | 2002-08-04 08:20:23 +0000 | [diff] [blame] | 1969 | if (self->nesting++ > Py_GetRecursionLimit()){ |
| 1970 | PyErr_SetString(PyExc_RuntimeError, |
| 1971 | "maximum recursion depth exceeded"); |
| 1972 | goto finally; |
| 1973 | } |
| 1974 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1975 | if (!pers_save && self->pers_func) { |
| 1976 | if ((tmp = save_pers(self, args, self->pers_func)) != 0) { |
| 1977 | res = tmp; |
| 1978 | goto finally; |
| 1979 | } |
| 1980 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1981 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1982 | if (args == Py_None) { |
| 1983 | res = save_none(self, args); |
| 1984 | goto finally; |
| 1985 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1986 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1987 | type = args->ob_type; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 1988 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1989 | switch (type->tp_name[0]) { |
Guido van Rossum | 77f6a65 | 2002-04-03 22:41:51 +0000 | [diff] [blame] | 1990 | case 'b': |
| 1991 | if (args == Py_False || args == Py_True) { |
| 1992 | res = save_bool(self, args); |
| 1993 | goto finally; |
| 1994 | } |
| 1995 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 1996 | case 'i': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 1997 | if (type == &PyInt_Type) { |
| 1998 | res = save_int(self, args); |
| 1999 | goto finally; |
| 2000 | } |
| 2001 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2002 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2003 | case 'l': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2004 | if (type == &PyLong_Type) { |
| 2005 | res = save_long(self, args); |
| 2006 | goto finally; |
| 2007 | } |
| 2008 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2009 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2010 | case 'f': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2011 | if (type == &PyFloat_Type) { |
| 2012 | res = save_float(self, args); |
| 2013 | goto finally; |
| 2014 | } |
| 2015 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2016 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2017 | case 't': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2018 | if (type == &PyTuple_Type && PyTuple_Size(args)==0) { |
| 2019 | if (self->bin) res = save_empty_tuple(self, args); |
| 2020 | else res = save_tuple(self, args); |
| 2021 | goto finally; |
| 2022 | } |
| 2023 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2024 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2025 | case 's': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2026 | if ((type == &PyString_Type) && (PyString_GET_SIZE(args) < 2)) { |
| 2027 | res = save_string(self, args, 0); |
| 2028 | goto finally; |
| 2029 | } |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2030 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2031 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2032 | case 'u': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2033 | if ((type == &PyUnicode_Type) && (PyString_GET_SIZE(args) < 2)) { |
| 2034 | res = save_unicode(self, args, 0); |
| 2035 | goto finally; |
| 2036 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2037 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2038 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2039 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2040 | if (args->ob_refcnt > 1) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2041 | if (!( py_ob_id = PyLong_FromVoidPtr(args))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2042 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2043 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2044 | if (PyDict_GetItem(self->memo, py_ob_id)) { |
| 2045 | if (get(self, py_ob_id) < 0) |
| 2046 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2047 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2048 | res = 0; |
| 2049 | goto finally; |
| 2050 | } |
| 2051 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2052 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2053 | switch (type->tp_name[0]) { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2054 | case 's': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2055 | if (type == &PyString_Type) { |
| 2056 | res = save_string(self, args, 1); |
| 2057 | goto finally; |
| 2058 | } |
| 2059 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2060 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2061 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2062 | case 'u': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2063 | if (type == &PyUnicode_Type) { |
| 2064 | res = save_unicode(self, args, 1); |
| 2065 | goto finally; |
| 2066 | } |
| 2067 | break; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 2068 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 2069 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2070 | case 't': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2071 | if (type == &PyTuple_Type) { |
| 2072 | res = save_tuple(self, args); |
| 2073 | goto finally; |
| 2074 | } |
| 2075 | if (type == &PyType_Type) { |
| 2076 | res = save_global(self, args, NULL); |
| 2077 | goto finally; |
| 2078 | } |
| 2079 | break; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2080 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2081 | case 'l': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2082 | if (type == &PyList_Type) { |
| 2083 | res = save_list(self, args); |
| 2084 | goto finally; |
| 2085 | } |
| 2086 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2087 | |
| 2088 | case 'd': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2089 | if (type == &PyDict_Type) { |
| 2090 | res = save_dict(self, args); |
| 2091 | goto finally; |
| 2092 | } |
| 2093 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2094 | |
| 2095 | case 'i': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2096 | if (type == &PyInstance_Type) { |
| 2097 | res = save_inst(self, args); |
| 2098 | goto finally; |
| 2099 | } |
| 2100 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2101 | |
| 2102 | case 'c': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2103 | if (type == &PyClass_Type) { |
| 2104 | res = save_global(self, args, NULL); |
| 2105 | goto finally; |
| 2106 | } |
| 2107 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2108 | |
| 2109 | case 'f': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2110 | if (type == &PyFunction_Type) { |
| 2111 | res = save_global(self, args, NULL); |
| 2112 | goto finally; |
| 2113 | } |
| 2114 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2115 | |
| 2116 | case 'b': |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2117 | if (type == &PyCFunction_Type) { |
| 2118 | res = save_global(self, args, NULL); |
| 2119 | goto finally; |
| 2120 | } |
| 2121 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2122 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2123 | if (!pers_save && self->inst_pers_func) { |
| 2124 | if ((tmp = save_pers(self, args, self->inst_pers_func)) != 0) { |
| 2125 | res = tmp; |
| 2126 | goto finally; |
| 2127 | } |
| 2128 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2129 | |
Jeremy Hylton | 39c6116 | 2002-07-16 19:47:43 +0000 | [diff] [blame] | 2130 | if (PyType_IsSubtype(type, &PyType_Type)) { |
| 2131 | res = save_global(self, args, NULL); |
| 2132 | goto finally; |
| 2133 | } |
| 2134 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2135 | if ((__reduce__ = PyDict_GetItem(dispatch_table, (PyObject *)type))) { |
| 2136 | Py_INCREF(__reduce__); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2137 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2138 | Py_INCREF(args); |
| 2139 | ARG_TUP(self, args); |
| 2140 | if (self->arg) { |
| 2141 | t = PyObject_Call(__reduce__, self->arg, NULL); |
| 2142 | FREE_ARG_TUP(self); |
| 2143 | } |
| 2144 | if (! t) goto finally; |
| 2145 | } |
| 2146 | else { |
| 2147 | PyErr_Clear(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2148 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2149 | if ((__reduce__ = PyObject_GetAttr(args, __reduce___str))) { |
| 2150 | t = PyObject_Call(__reduce__, empty_tuple, NULL); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2151 | if (!t) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2152 | goto finally; |
| 2153 | } |
| 2154 | else { |
| 2155 | PyErr_Clear(); |
| 2156 | } |
| 2157 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2158 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2159 | if (t) { |
| 2160 | if (PyString_Check(t)) { |
| 2161 | res = save_global(self, args, t); |
| 2162 | goto finally; |
| 2163 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2164 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2165 | if (!PyTuple_Check(t)) { |
| 2166 | cPickle_ErrFormat(PicklingError, "Value returned by %s must " |
| 2167 | "be a tuple", "O", __reduce__); |
| 2168 | goto finally; |
| 2169 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2170 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2171 | size = PyTuple_Size(t); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2172 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2173 | if ((size != 3) && (size != 2)) { |
| 2174 | cPickle_ErrFormat(PicklingError, "tuple returned by %s must " |
| 2175 | "contain only two or three elements", "O", __reduce__); |
| 2176 | goto finally; |
| 2177 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2178 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2179 | callable = PyTuple_GET_ITEM(t, 0); |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 2180 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2181 | arg_tup = PyTuple_GET_ITEM(t, 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2182 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2183 | if (size > 2) { |
| 2184 | state = PyTuple_GET_ITEM(t, 2); |
Guido van Rossum | 8e0ad0c | 2003-01-31 21:10:31 +0000 | [diff] [blame] | 2185 | if (state == Py_None) |
| 2186 | state = NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2187 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2188 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2189 | if (!( PyTuple_Check(arg_tup) || arg_tup==Py_None )) { |
| 2190 | cPickle_ErrFormat(PicklingError, "Second element of tuple " |
| 2191 | "returned by %s must be a tuple", "O", __reduce__); |
| 2192 | goto finally; |
| 2193 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2194 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2195 | res = save_reduce(self, callable, arg_tup, state, args); |
| 2196 | goto finally; |
| 2197 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2198 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2199 | PyErr_SetObject(UnpickleableError, args); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2200 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2201 | finally: |
Martin v. Löwis | 5a39530 | 2002-08-04 08:20:23 +0000 | [diff] [blame] | 2202 | self->nesting--; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2203 | Py_XDECREF(py_ob_id); |
| 2204 | Py_XDECREF(__reduce__); |
| 2205 | Py_XDECREF(t); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2206 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2207 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2208 | } |
| 2209 | |
| 2210 | |
| 2211 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2212 | dump(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2213 | { |
| 2214 | static char stop = STOP; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2215 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 2216 | if (self->proto >= 2) { |
| 2217 | char bytes[2]; |
| 2218 | |
| 2219 | bytes[0] = PROTO; |
Tim Peters | 87482ea | 2003-02-02 16:16:30 +0000 | [diff] [blame] | 2220 | assert(self->proto >= 0 && self->proto < 256); |
| 2221 | bytes[1] = (char)self->proto; |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 2222 | if (self->write_func(self, bytes, 2) < 0) |
| 2223 | return -1; |
| 2224 | } |
| 2225 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2226 | if (save(self, args, 0) < 0) |
| 2227 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2228 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 2229 | if (self->write_func(self, &stop, 1) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2230 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2231 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 2232 | if (self->write_func(self, NULL, 0) < 0) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2233 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2234 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2235 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2236 | } |
| 2237 | |
| 2238 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2239 | Pickle_clear_memo(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2240 | { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2241 | if (self->memo) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2242 | PyDict_Clear(self->memo); |
| 2243 | Py_INCREF(Py_None); |
| 2244 | return Py_None; |
| 2245 | } |
| 2246 | |
| 2247 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2248 | Pickle_getvalue(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2249 | { |
| 2250 | int l, i, rsize, ssize, clear=1, lm; |
| 2251 | long ik; |
| 2252 | PyObject *k, *r; |
| 2253 | char *s, *p, *have_get; |
| 2254 | Pdata *data; |
| 2255 | |
| 2256 | /* Can be called by Python code or C code */ |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2257 | if (args && !PyArg_ParseTuple(args, "|i:getvalue", &clear)) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2258 | return NULL; |
| 2259 | |
| 2260 | /* Check to make sure we are based on a list */ |
| 2261 | if (! Pdata_Check(self->file)) { |
| 2262 | PyErr_SetString(PicklingError, |
| 2263 | "Attempt to getvalue() a non-list-based pickler"); |
| 2264 | return NULL; |
| 2265 | } |
| 2266 | |
| 2267 | /* flush write buffer */ |
| 2268 | if (write_other(self, NULL, 0) < 0) return NULL; |
| 2269 | |
| 2270 | data=(Pdata*)self->file; |
| 2271 | l=data->length; |
| 2272 | |
| 2273 | /* set up an array to hold get/put status */ |
| 2274 | if ((lm=PyDict_Size(self->memo)) < 0) return NULL; |
| 2275 | lm++; |
| 2276 | if (! (have_get=malloc((lm)*sizeof(char)))) return PyErr_NoMemory(); |
| 2277 | memset(have_get,0,lm); |
| 2278 | |
| 2279 | /* Scan for gets. */ |
| 2280 | for (rsize=0, i=l; --i >= 0; ) { |
| 2281 | k=data->data[i]; |
| 2282 | |
| 2283 | if (PyString_Check(k)) { |
| 2284 | rsize += PyString_GET_SIZE(k); |
| 2285 | } |
| 2286 | |
| 2287 | else if (PyInt_Check(k)) { /* put */ |
| 2288 | ik=PyInt_AS_LONG((PyIntObject*)k); |
| 2289 | if (ik >= lm || ik==0) { |
| 2290 | PyErr_SetString(PicklingError, |
| 2291 | "Invalid get data"); |
| 2292 | return NULL; |
| 2293 | } |
| 2294 | if (have_get[ik]) { /* with matching get */ |
| 2295 | if (ik < 256) rsize += 2; |
| 2296 | else rsize+=5; |
| 2297 | } |
| 2298 | } |
| 2299 | |
| 2300 | else if (! (PyTuple_Check(k) && |
| 2301 | PyTuple_GET_SIZE(k) == 2 && |
| 2302 | PyInt_Check((k=PyTuple_GET_ITEM(k,0)))) |
| 2303 | ) { |
| 2304 | PyErr_SetString(PicklingError, |
| 2305 | "Unexpected data in internal list"); |
| 2306 | return NULL; |
| 2307 | } |
| 2308 | |
| 2309 | else { /* put */ |
| 2310 | ik=PyInt_AS_LONG((PyIntObject*)k); |
| 2311 | if (ik >= lm || ik==0) { |
| 2312 | PyErr_SetString(PicklingError, |
| 2313 | "Invalid get data"); |
| 2314 | return NULL; |
| 2315 | } |
| 2316 | have_get[ik]=1; |
| 2317 | if (ik < 256) rsize += 2; |
| 2318 | else rsize+=5; |
| 2319 | } |
| 2320 | |
| 2321 | } |
| 2322 | |
| 2323 | /* Now generate the result */ |
| 2324 | if (!( r=PyString_FromStringAndSize(NULL,rsize))) goto err; |
| 2325 | s=PyString_AS_STRING((PyStringObject*)r); |
| 2326 | |
| 2327 | for (i=0; i<l; i++) { |
| 2328 | k=data->data[i]; |
| 2329 | |
| 2330 | if (PyString_Check(k)) { |
| 2331 | ssize=PyString_GET_SIZE(k); |
| 2332 | if (ssize) { |
| 2333 | p=PyString_AS_STRING((PyStringObject*)k); |
| 2334 | while (--ssize >= 0) *s++=*p++; |
| 2335 | } |
| 2336 | } |
| 2337 | |
| 2338 | else if (PyTuple_Check(k)) { /* get */ |
| 2339 | ik=PyInt_AS_LONG((PyIntObject*)PyTuple_GET_ITEM(k,0)); |
| 2340 | if (ik < 256) { |
| 2341 | *s++ = BINGET; |
| 2342 | *s++ = (int)(ik & 0xff); |
| 2343 | } |
| 2344 | else { |
| 2345 | *s++ = LONG_BINGET; |
| 2346 | *s++ = (int)(ik & 0xff); |
| 2347 | *s++ = (int)((ik >> 8) & 0xff); |
| 2348 | *s++ = (int)((ik >> 16) & 0xff); |
| 2349 | *s++ = (int)((ik >> 24) & 0xff); |
| 2350 | } |
| 2351 | } |
| 2352 | |
| 2353 | else { /* put */ |
| 2354 | ik=PyInt_AS_LONG((PyIntObject*)k); |
| 2355 | |
| 2356 | if (have_get[ik]) { /* with matching get */ |
| 2357 | if (ik < 256) { |
| 2358 | *s++ = BINPUT; |
| 2359 | *s++ = (int)(ik & 0xff); |
| 2360 | } |
| 2361 | else { |
| 2362 | *s++ = LONG_BINPUT; |
| 2363 | *s++ = (int)(ik & 0xff); |
| 2364 | *s++ = (int)((ik >> 8) & 0xff); |
| 2365 | *s++ = (int)((ik >> 16) & 0xff); |
| 2366 | *s++ = (int)((ik >> 24) & 0xff); |
| 2367 | } |
| 2368 | } |
| 2369 | } |
| 2370 | |
| 2371 | } |
| 2372 | |
| 2373 | if (clear) { |
| 2374 | PyDict_Clear(self->memo); |
| 2375 | Pdata_clear(data,0); |
| 2376 | } |
| 2377 | |
| 2378 | free(have_get); |
| 2379 | return r; |
| 2380 | err: |
| 2381 | free(have_get); |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2382 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2383 | } |
| 2384 | |
| 2385 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2386 | Pickler_dump(Picklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2387 | { |
| 2388 | PyObject *ob; |
| 2389 | int get=0; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2390 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2391 | if (!( PyArg_ParseTuple(args, "O|i:dump", &ob, &get))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2392 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2393 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2394 | if (dump(self, ob) < 0) |
| 2395 | return NULL; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2396 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2397 | if (get) return Pickle_getvalue(self, NULL); |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2398 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2399 | /* XXX Why does dump() return self? */ |
| 2400 | Py_INCREF(self); |
| 2401 | return (PyObject*)self; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2402 | } |
| 2403 | |
| 2404 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2405 | static struct PyMethodDef Pickler_methods[] = |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2406 | { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 2407 | {"dump", (PyCFunction)Pickler_dump, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 2408 | PyDoc_STR("dump(object) -- " |
| 2409 | "Write an object in pickle format to the object's pickle stream")}, |
Fred Drake | 0ebacc8 | 2002-05-01 20:36:39 +0000 | [diff] [blame] | 2410 | {"clear_memo", (PyCFunction)Pickle_clear_memo, METH_NOARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 2411 | PyDoc_STR("clear_memo() -- Clear the picklers memo")}, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 2412 | {"getvalue", (PyCFunction)Pickle_getvalue, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 2413 | PyDoc_STR("getvalue() -- Finish picking a list-based pickle")}, |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2414 | {NULL, NULL} /* sentinel */ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2415 | }; |
| 2416 | |
| 2417 | |
| 2418 | static Picklerobject * |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2419 | newPicklerobject(PyObject *file, int proto) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2420 | { |
| 2421 | Picklerobject *self; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2422 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2423 | if (proto < 0) |
| 2424 | proto = CURRENT_PROTOCOL_NUMBER; |
| 2425 | if (proto > CURRENT_PROTOCOL_NUMBER) { |
| 2426 | PyErr_Format(PyExc_ValueError, "pickle protocol %d asked for; " |
| 2427 | "the highest available protocol is %d", |
| 2428 | proto, CURRENT_PROTOCOL_NUMBER); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2429 | return NULL; |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2430 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2431 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2432 | self = PyObject_New(Picklerobject, &Picklertype); |
| 2433 | if (self == NULL) |
| 2434 | return NULL; |
| 2435 | self->proto = proto; |
| 2436 | self->bin = proto > 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2437 | self->fp = NULL; |
| 2438 | self->write = NULL; |
| 2439 | self->memo = NULL; |
| 2440 | self->arg = NULL; |
| 2441 | self->pers_func = NULL; |
| 2442 | self->inst_pers_func = NULL; |
| 2443 | self->write_buf = NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2444 | self->fast = 0; |
Martin v. Löwis | 5a39530 | 2002-08-04 08:20:23 +0000 | [diff] [blame] | 2445 | self->nesting = 0; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2446 | self->fast_container = 0; |
| 2447 | self->fast_memo = NULL; |
| 2448 | self->buf_size = 0; |
| 2449 | self->dispatch_table = NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2450 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2451 | self->file = NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2452 | if (file) |
| 2453 | Py_INCREF(file); |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2454 | else { |
| 2455 | file = Pdata_New(); |
| 2456 | if (file == NULL) |
| 2457 | goto err; |
| 2458 | } |
| 2459 | self->file = file; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 2460 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2461 | if (!( self->memo = PyDict_New())) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2462 | goto err; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2463 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2464 | if (PyFile_Check(file)) { |
| 2465 | self->fp = PyFile_AsFile(file); |
| 2466 | if (self->fp == NULL) { |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2467 | PyErr_SetString(PyExc_ValueError, |
| 2468 | "I/O operation on closed file"); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2469 | goto err; |
| 2470 | } |
| 2471 | self->write_func = write_file; |
Guido van Rossum | c91fcaa | 1999-03-29 20:00:14 +0000 | [diff] [blame] | 2472 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2473 | else if (PycStringIO_OutputCheck(file)) { |
| 2474 | self->write_func = write_cStringIO; |
| 2475 | } |
| 2476 | else if (file == Py_None) { |
| 2477 | self->write_func = write_none; |
| 2478 | } |
| 2479 | else { |
| 2480 | self->write_func = write_other; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2481 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2482 | if (! Pdata_Check(file)) { |
| 2483 | self->write = PyObject_GetAttr(file, write_str); |
| 2484 | if (!self->write) { |
| 2485 | PyErr_Clear(); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2486 | PyErr_SetString(PyExc_TypeError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2487 | "argument must have 'write' " |
| 2488 | "attribute"); |
| 2489 | goto err; |
| 2490 | } |
| 2491 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2492 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2493 | self->write_buf = (char *)PyMem_Malloc(WRITE_BUF_SIZE); |
| 2494 | if (self->write_buf == NULL) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2495 | PyErr_NoMemory(); |
| 2496 | goto err; |
| 2497 | } |
| 2498 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2499 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2500 | if (PyEval_GetRestricted()) { |
| 2501 | /* Restricted execution, get private tables */ |
| 2502 | PyObject *m; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2503 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2504 | if (!( m=PyImport_Import(copy_reg_str))) goto err; |
| 2505 | self->dispatch_table=PyObject_GetAttr(m, dispatch_table_str); |
| 2506 | Py_DECREF(m); |
| 2507 | if (!( self->dispatch_table )) goto err; |
| 2508 | } |
| 2509 | else { |
| 2510 | self->dispatch_table=dispatch_table; |
| 2511 | Py_INCREF(dispatch_table); |
| 2512 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2513 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2514 | return self; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 2515 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2516 | err: |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2517 | Py_DECREF(self); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2518 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2519 | } |
| 2520 | |
| 2521 | |
| 2522 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2523 | get_Pickler(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2524 | { |
| 2525 | PyObject *file = NULL; |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2526 | int proto = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2527 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2528 | /* XXX What is this doing? The documented signature is |
| 2529 | * XXX Pickler(file, proto=0), but this accepts Pickler() and |
| 2530 | * XXX Pickler(integer) too. The meaning then is clear as mud. |
| 2531 | * XXX Bug? Feature? |
| 2532 | */ |
| 2533 | if (!PyArg_ParseTuple(args, "|i:Pickler", &proto)) { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2534 | PyErr_Clear(); |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2535 | proto = 0; |
| 2536 | if (!PyArg_ParseTuple(args, "O|i:Pickler", &file, &proto)) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2537 | return NULL; |
| 2538 | } |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2539 | return (PyObject *)newPicklerobject(file, proto); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2540 | } |
| 2541 | |
| 2542 | |
| 2543 | static void |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2544 | Pickler_dealloc(Picklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2545 | { |
| 2546 | Py_XDECREF(self->write); |
| 2547 | Py_XDECREF(self->memo); |
| 2548 | Py_XDECREF(self->fast_memo); |
| 2549 | Py_XDECREF(self->arg); |
| 2550 | Py_XDECREF(self->file); |
| 2551 | Py_XDECREF(self->pers_func); |
| 2552 | Py_XDECREF(self->inst_pers_func); |
| 2553 | Py_XDECREF(self->dispatch_table); |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 2554 | PyMem_Free(self->write_buf); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2555 | PyObject_Del(self); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2556 | } |
| 2557 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2558 | static PyObject * |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2559 | Pickler_get_pers_func(Picklerobject *p) |
| 2560 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2561 | if (p->pers_func == NULL) |
| 2562 | PyErr_SetString(PyExc_AttributeError, "persistent_id"); |
| 2563 | else |
| 2564 | Py_INCREF(p->pers_func); |
| 2565 | return p->pers_func; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2566 | } |
| 2567 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2568 | static int |
| 2569 | Pickler_set_pers_func(Picklerobject *p, PyObject *v) |
| 2570 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2571 | if (v == NULL) { |
| 2572 | PyErr_SetString(PyExc_TypeError, |
| 2573 | "attribute deletion is not supported"); |
| 2574 | return -1; |
| 2575 | } |
| 2576 | Py_XDECREF(p->pers_func); |
| 2577 | Py_INCREF(v); |
| 2578 | p->pers_func = v; |
| 2579 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2580 | } |
| 2581 | |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2582 | static int |
| 2583 | Pickler_set_inst_pers_func(Picklerobject *p, PyObject *v) |
| 2584 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2585 | if (v == NULL) { |
| 2586 | PyErr_SetString(PyExc_TypeError, |
| 2587 | "attribute deletion is not supported"); |
| 2588 | return -1; |
| 2589 | } |
| 2590 | Py_XDECREF(p->inst_pers_func); |
| 2591 | Py_INCREF(v); |
| 2592 | p->inst_pers_func = v; |
| 2593 | return 0; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2594 | } |
| 2595 | |
| 2596 | static PyObject * |
| 2597 | Pickler_get_memo(Picklerobject *p) |
| 2598 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2599 | if (p->memo == NULL) |
| 2600 | PyErr_SetString(PyExc_AttributeError, "memo"); |
| 2601 | else |
| 2602 | Py_INCREF(p->memo); |
| 2603 | return p->memo; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2604 | } |
| 2605 | |
| 2606 | static int |
| 2607 | Pickler_set_memo(Picklerobject *p, PyObject *v) |
| 2608 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2609 | if (v == NULL) { |
| 2610 | PyErr_SetString(PyExc_TypeError, |
| 2611 | "attribute deletion is not supported"); |
| 2612 | return -1; |
| 2613 | } |
| 2614 | if (!PyDict_Check(v)) { |
| 2615 | PyErr_SetString(PyExc_TypeError, "memo must be a dictionary"); |
| 2616 | return -1; |
| 2617 | } |
| 2618 | Py_XDECREF(p->memo); |
| 2619 | Py_INCREF(v); |
| 2620 | p->memo = v; |
| 2621 | return 0; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2622 | } |
| 2623 | |
| 2624 | static PyObject * |
| 2625 | Pickler_get_error(Picklerobject *p) |
| 2626 | { |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2627 | /* why is this an attribute on the Pickler? */ |
| 2628 | Py_INCREF(PicklingError); |
| 2629 | return PicklingError; |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2630 | } |
| 2631 | |
| 2632 | static PyMemberDef Pickler_members[] = { |
| 2633 | {"binary", T_INT, offsetof(Picklerobject, bin)}, |
| 2634 | {"fast", T_INT, offsetof(Picklerobject, fast)}, |
Jeremy Hylton | 3eb46f3 | 2001-10-16 17:10:49 +0000 | [diff] [blame] | 2635 | {NULL} |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2636 | }; |
| 2637 | |
| 2638 | static PyGetSetDef Pickler_getsets[] = { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2639 | {"persistent_id", (getter)Pickler_get_pers_func, |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2640 | (setter)Pickler_set_pers_func}, |
| 2641 | {"inst_persistent_id", NULL, (setter)Pickler_set_inst_pers_func}, |
| 2642 | {"memo", (getter)Pickler_get_memo, (setter)Pickler_set_memo}, |
Jeremy Hylton | 3eb46f3 | 2001-10-16 17:10:49 +0000 | [diff] [blame] | 2643 | {"PicklingError", (getter)Pickler_get_error, NULL}, |
| 2644 | {NULL} |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2645 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2646 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 2647 | PyDoc_STRVAR(Picklertype__doc__, |
| 2648 | "Objects that know how to pickle objects\n"); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2649 | |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 2650 | static PyTypeObject Picklertype = { |
| 2651 | PyObject_HEAD_INIT(NULL) |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2652 | 0, /*ob_size*/ |
Guido van Rossum | 1464839 | 2001-12-08 18:02:58 +0000 | [diff] [blame] | 2653 | "cPickle.Pickler", /*tp_name*/ |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2654 | sizeof(Picklerobject), /*tp_basicsize*/ |
| 2655 | 0, |
| 2656 | (destructor)Pickler_dealloc, /* tp_dealloc */ |
| 2657 | 0, /* tp_print */ |
| 2658 | 0, /* tp_getattr */ |
| 2659 | 0, /* tp_setattr */ |
| 2660 | 0, /* tp_compare */ |
| 2661 | 0, /* tp_repr */ |
| 2662 | 0, /* tp_as_number */ |
| 2663 | 0, /* tp_as_sequence */ |
| 2664 | 0, /* tp_as_mapping */ |
| 2665 | 0, /* tp_hash */ |
| 2666 | 0, /* tp_call */ |
| 2667 | 0, /* tp_str */ |
Jason Tishler | fb8595d | 2003-01-06 12:41:26 +0000 | [diff] [blame] | 2668 | PyObject_GenericGetAttr, /* tp_getattro */ |
| 2669 | PyObject_GenericSetAttr, /* tp_setattro */ |
Jeremy Hylton | a0fb177 | 2001-10-12 04:11:06 +0000 | [diff] [blame] | 2670 | 0, /* tp_as_buffer */ |
| 2671 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */ |
| 2672 | Picklertype__doc__, /* tp_doc */ |
| 2673 | 0, /* tp_traverse */ |
| 2674 | 0, /* tp_clear */ |
| 2675 | 0, /* tp_richcompare */ |
| 2676 | 0, /* tp_weaklistoffset */ |
| 2677 | 0, /* tp_iter */ |
| 2678 | 0, /* tp_iternext */ |
| 2679 | Pickler_methods, /* tp_methods */ |
| 2680 | Pickler_members, /* tp_members */ |
| 2681 | Pickler_getsets, /* tp_getset */ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 2682 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2683 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2684 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2685 | find_class(PyObject *py_module_name, PyObject *py_global_name, PyObject *fc) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2686 | { |
| 2687 | PyObject *global = 0, *module; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2688 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2689 | if (fc) { |
| 2690 | if (fc==Py_None) { |
| 2691 | PyErr_SetString(UnpicklingError, |
| 2692 | "Global and instance pickles are not supported."); |
| 2693 | return NULL; |
| 2694 | } |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2695 | return PyObject_CallFunction(fc, "OO", py_module_name, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2696 | py_global_name); |
| 2697 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 2698 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2699 | module = PySys_GetObject("modules"); |
| 2700 | if (module == NULL) |
| 2701 | return NULL; |
Jeremy Hylton | d105523 | 1998-08-11 19:52:51 +0000 | [diff] [blame] | 2702 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2703 | module = PyDict_GetItem(module, py_module_name); |
| 2704 | if (module == NULL) { |
| 2705 | module = PyImport_Import(py_module_name); |
| 2706 | if (!module) |
| 2707 | return NULL; |
| 2708 | global = PyObject_GetAttr(module, py_global_name); |
| 2709 | Py_DECREF(module); |
| 2710 | } |
| 2711 | else |
| 2712 | global = PyObject_GetAttr(module, py_global_name); |
| 2713 | return global; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2714 | } |
| 2715 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 2716 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2717 | marker(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2718 | { |
| 2719 | if (self->num_marks < 1) { |
| 2720 | PyErr_SetString(UnpicklingError, "could not find MARK"); |
| 2721 | return -1; |
| 2722 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2723 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2724 | return self->marks[--self->num_marks]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2725 | } |
| 2726 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2727 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2728 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2729 | load_none(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2730 | { |
| 2731 | PDATA_APPEND(self->stack, Py_None, -1); |
| 2732 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2733 | } |
| 2734 | |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 2735 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2736 | bad_readline(void) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2737 | { |
| 2738 | PyErr_SetString(UnpicklingError, "pickle data was truncated"); |
| 2739 | return -1; |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 2740 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2741 | |
| 2742 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2743 | load_int(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2744 | { |
| 2745 | PyObject *py_int = 0; |
| 2746 | char *endptr, *s; |
| 2747 | int len, res = -1; |
| 2748 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2749 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2750 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 2751 | if (len < 2) return bad_readline(); |
| 2752 | if (!( s=pystrndup(s,len))) 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 | errno = 0; |
| 2755 | l = strtol(s, &endptr, 0); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2756 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2757 | if (errno || (*endptr != '\n') || (endptr[1] != '\0')) { |
| 2758 | /* Hm, maybe we've got something long. Let's try reading |
| 2759 | it as a Python long object. */ |
| 2760 | errno = 0; |
| 2761 | py_int = PyLong_FromString(s, NULL, 0); |
| 2762 | if (py_int == NULL) { |
| 2763 | PyErr_SetString(PyExc_ValueError, |
| 2764 | "could not convert string to int"); |
| 2765 | goto finally; |
| 2766 | } |
| 2767 | } |
| 2768 | else { |
Guido van Rossum | e276339 | 2002-04-05 19:30:08 +0000 | [diff] [blame] | 2769 | if (len == 3 && (l == 0 || l == 1)) { |
| 2770 | if (!( py_int = PyBool_FromLong(l))) goto finally; |
| 2771 | } |
| 2772 | else { |
| 2773 | if (!( py_int = PyInt_FromLong(l))) goto finally; |
| 2774 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2775 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2776 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2777 | free(s); |
| 2778 | PDATA_PUSH(self->stack, py_int, -1); |
| 2779 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2780 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2781 | finally: |
| 2782 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2783 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2784 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2785 | } |
| 2786 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 2787 | /* s contains x bytes of a little-endian integer. Return its value as a |
| 2788 | * C int. Obscure: when x is 1 or 2, this is an unsigned little-endian |
| 2789 | * int, but when x is 4 it's a signed one. This is an historical source |
| 2790 | * of x-platform bugs. |
| 2791 | */ |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2792 | static long |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 2793 | calc_binint(char *s, int x) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2794 | { |
| 2795 | unsigned char c; |
| 2796 | int i; |
| 2797 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2798 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2799 | for (i = 0, l = 0L; i < x; i++) { |
| 2800 | c = (unsigned char)s[i]; |
| 2801 | l |= (long)c << (i * 8); |
| 2802 | } |
Tim Peters | bfa18f7 | 2001-04-10 01:54:42 +0000 | [diff] [blame] | 2803 | #if SIZEOF_LONG > 4 |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2804 | /* Unlike BININT1 and BININT2, BININT (more accurately BININT4) |
| 2805 | * is signed, so on a box with longs bigger than 4 bytes we need |
| 2806 | * to extend a BININT's sign bit to the full width. |
| 2807 | */ |
| 2808 | if (x == 4 && l & (1L << 31)) |
| 2809 | l |= (~0L) << 32; |
Tim Peters | bfa18f7 | 2001-04-10 01:54:42 +0000 | [diff] [blame] | 2810 | #endif |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2811 | return l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2812 | } |
| 2813 | |
| 2814 | |
| 2815 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2816 | load_binintx(Unpicklerobject *self, char *s, int x) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2817 | { |
| 2818 | PyObject *py_int = 0; |
| 2819 | long l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2820 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2821 | l = calc_binint(s, x); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2822 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2823 | if (!( py_int = PyInt_FromLong(l))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2824 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2825 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2826 | PDATA_PUSH(self->stack, py_int, -1); |
| 2827 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2828 | } |
| 2829 | |
| 2830 | |
| 2831 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2832 | load_binint(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2833 | { |
| 2834 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2835 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2836 | if ((*self->read_func)(self, &s, 4) < 0) |
| 2837 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2838 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2839 | return load_binintx(self, s, 4); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2840 | } |
| 2841 | |
| 2842 | |
| 2843 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2844 | load_binint1(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2845 | { |
| 2846 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2847 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2848 | if ((*self->read_func)(self, &s, 1) < 0) |
| 2849 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2850 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2851 | return load_binintx(self, s, 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2852 | } |
| 2853 | |
| 2854 | |
| 2855 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2856 | load_binint2(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2857 | { |
| 2858 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2859 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2860 | if ((*self->read_func)(self, &s, 2) < 0) |
| 2861 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2862 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2863 | return load_binintx(self, s, 2); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2864 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2865 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2866 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2867 | load_long(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2868 | { |
| 2869 | PyObject *l = 0; |
| 2870 | char *end, *s; |
| 2871 | int len, res = -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2872 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2873 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 2874 | if (len < 2) return bad_readline(); |
| 2875 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2876 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2877 | if (!( l = PyLong_FromString(s, &end, 0))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2878 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2879 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2880 | free(s); |
| 2881 | PDATA_PUSH(self->stack, l, -1); |
| 2882 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2883 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2884 | finally: |
| 2885 | free(s); |
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 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2888 | } |
| 2889 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 2890 | /* 'size' bytes contain the # of bytes of little-endian 256's-complement |
| 2891 | * data following. |
| 2892 | */ |
| 2893 | static int |
| 2894 | load_counted_long(Unpicklerobject *self, int size) |
| 2895 | { |
| 2896 | int i; |
| 2897 | char *nbytes; |
| 2898 | unsigned char *pdata; |
| 2899 | PyObject *along; |
| 2900 | |
| 2901 | assert(size == 1 || size == 4); |
| 2902 | i = self->read_func(self, &nbytes, size); |
| 2903 | if (i < 0) return -1; |
| 2904 | |
| 2905 | size = calc_binint(nbytes, size); |
| 2906 | if (size < 0) { |
| 2907 | /* Corrupt or hostile pickle -- we never write one like |
| 2908 | * this. |
| 2909 | */ |
| 2910 | PyErr_SetString(PyExc_ValueError, "LONG pickle has negative " |
| 2911 | "byte count"); |
| 2912 | return -1; |
| 2913 | } |
| 2914 | |
| 2915 | if (size == 0) |
| 2916 | along = PyLong_FromLong(0L); |
| 2917 | else { |
| 2918 | /* Read the raw little-endian bytes & convert. */ |
Neal Norwitz | 529baf2 | 2003-02-02 17:08:33 +0000 | [diff] [blame^] | 2919 | i = self->read_func(self, (char **)&pdata, size); |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 2920 | if (i < 0) return -1; |
| 2921 | along = _PyLong_FromByteArray(pdata, (size_t)size, |
| 2922 | 1 /* little endian */, 1 /* signed */); |
| 2923 | } |
| 2924 | if (along == NULL) |
| 2925 | return -1; |
| 2926 | PDATA_PUSH(self->stack, along, -1); |
| 2927 | return 0; |
| 2928 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 2929 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2930 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2931 | load_float(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2932 | { |
| 2933 | PyObject *py_float = 0; |
| 2934 | char *endptr, *s; |
| 2935 | int len, res = -1; |
| 2936 | double d; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2937 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2938 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 2939 | if (len < 2) return bad_readline(); |
| 2940 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2941 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2942 | errno = 0; |
| 2943 | d = strtod(s, &endptr); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2944 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2945 | if (errno || (endptr[0] != '\n') || (endptr[1] != '\0')) { |
| 2946 | PyErr_SetString(PyExc_ValueError, |
| 2947 | "could not convert string to float"); |
| 2948 | goto finally; |
| 2949 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2950 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2951 | if (!( py_float = PyFloat_FromDouble(d))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2952 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2953 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2954 | free(s); |
| 2955 | PDATA_PUSH(self->stack, py_float, -1); |
| 2956 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2957 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2958 | finally: |
| 2959 | free(s); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2960 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2961 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2962 | } |
| 2963 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2964 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 2965 | load_binfloat(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2966 | { |
| 2967 | PyObject *py_float = 0; |
| 2968 | int s, e; |
| 2969 | long fhi, flo; |
| 2970 | double x; |
| 2971 | char *p; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2972 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2973 | if ((*self->read_func)(self, &p, 8) < 0) |
| 2974 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2975 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2976 | /* First byte */ |
| 2977 | s = (*p>>7) & 1; |
| 2978 | e = (*p & 0x7F) << 4; |
| 2979 | p++; |
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 | /* Second byte */ |
| 2982 | e |= (*p>>4) & 0xF; |
| 2983 | fhi = (*p & 0xF) << 24; |
| 2984 | p++; |
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 | /* Third byte */ |
| 2987 | fhi |= (*p & 0xFF) << 16; |
| 2988 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2989 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2990 | /* Fourth byte */ |
| 2991 | fhi |= (*p & 0xFF) << 8; |
| 2992 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2993 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2994 | /* Fifth byte */ |
| 2995 | fhi |= *p & 0xFF; |
| 2996 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 2997 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 2998 | /* Sixth byte */ |
| 2999 | flo = (*p & 0xFF) << 16; |
| 3000 | p++; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3001 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3002 | /* Seventh byte */ |
| 3003 | flo |= (*p & 0xFF) << 8; |
| 3004 | p++; |
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 | /* Eighth byte */ |
| 3007 | flo |= *p & 0xFF; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3008 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3009 | x = (double)fhi + (double)flo / 16777216.0; /* 2**24 */ |
| 3010 | x /= 268435456.0; /* 2**28 */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3011 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3012 | /* XXX This sadly ignores Inf/NaN */ |
| 3013 | if (e == 0) |
| 3014 | e = -1022; |
| 3015 | else { |
| 3016 | x += 1.0; |
| 3017 | e -= 1023; |
| 3018 | } |
| 3019 | x = ldexp(x, e); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3020 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3021 | if (s) |
| 3022 | x = -x; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3023 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3024 | if (!( py_float = PyFloat_FromDouble(x))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3025 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3026 | PDATA_PUSH(self->stack, py_float, -1); |
| 3027 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3028 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3029 | |
| 3030 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3031 | load_string(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3032 | { |
| 3033 | PyObject *str = 0; |
Martin v. Löwis | 8a8da79 | 2002-08-14 07:46:28 +0000 | [diff] [blame] | 3034 | int len, res = -1; |
| 3035 | char *s, *p; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3036 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3037 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 3038 | if (len < 2) return bad_readline(); |
| 3039 | if (!( s=pystrndup(s,len))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3040 | |
Martin v. Löwis | 8a8da79 | 2002-08-14 07:46:28 +0000 | [diff] [blame] | 3041 | |
| 3042 | /* Strip outermost quotes */ |
| 3043 | while (s[len-1] <= ' ') |
| 3044 | len--; |
| 3045 | if(s[0]=='"' && s[len-1]=='"'){ |
| 3046 | s[len-1] = '\0'; |
| 3047 | p = s + 1 ; |
| 3048 | len -= 2; |
| 3049 | } else if(s[0]=='\'' && s[len-1]=='\''){ |
| 3050 | s[len-1] = '\0'; |
| 3051 | p = s + 1 ; |
| 3052 | len -= 2; |
| 3053 | } else |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3054 | goto insecure; |
| 3055 | /********************************************/ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 3056 | |
Martin v. Löwis | 8a8da79 | 2002-08-14 07:46:28 +0000 | [diff] [blame] | 3057 | str = PyString_DecodeEscape(p, len, NULL, 0, NULL); |
| 3058 | if (str) { |
| 3059 | PDATA_PUSH(self->stack, str, -1); |
| 3060 | res = 0; |
| 3061 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3062 | free(s); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3063 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3064 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3065 | insecure: |
| 3066 | free(s); |
| 3067 | PyErr_SetString(PyExc_ValueError,"insecure string pickle"); |
| 3068 | return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3069 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3070 | |
| 3071 | |
| 3072 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3073 | load_binstring(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3074 | { |
| 3075 | PyObject *py_string = 0; |
| 3076 | long l; |
| 3077 | char *s; |
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 ((*self->read_func)(self, &s, 4) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3080 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3081 | l = calc_binint(s, 4); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3082 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3083 | if ((*self->read_func)(self, &s, l) < 0) |
| 3084 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3085 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3086 | if (!( py_string = PyString_FromStringAndSize(s, l))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3087 | return -1; |
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 | PDATA_PUSH(self->stack, py_string, -1); |
| 3090 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3091 | } |
| 3092 | |
| 3093 | |
| 3094 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3095 | load_short_binstring(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3096 | { |
| 3097 | PyObject *py_string = 0; |
| 3098 | unsigned char l; |
| 3099 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3100 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3101 | if ((*self->read_func)(self, &s, 1) < 0) |
| 3102 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3103 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3104 | l = (unsigned char)s[0]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3105 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3106 | if ((*self->read_func)(self, &s, l) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3107 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3108 | if (!( py_string = PyString_FromStringAndSize(s, l))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3109 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3110 | PDATA_PUSH(self->stack, py_string, -1); |
| 3111 | return 0; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3112 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3113 | |
| 3114 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3115 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3116 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3117 | load_unicode(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3118 | { |
| 3119 | PyObject *str = 0; |
| 3120 | int len, res = -1; |
| 3121 | char *s; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3122 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3123 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 3124 | if (len < 1) return bad_readline(); |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3125 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3126 | if (!( str = PyUnicode_DecodeRawUnicodeEscape(s, len - 1, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3127 | goto finally; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3128 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3129 | PDATA_PUSH(self->stack, str, -1); |
| 3130 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3131 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3132 | finally: |
| 3133 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3134 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3135 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3136 | |
| 3137 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3138 | #ifdef Py_USING_UNICODE |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3139 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3140 | load_binunicode(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3141 | { |
| 3142 | PyObject *unicode; |
| 3143 | long l; |
| 3144 | char *s; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3145 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3146 | if ((*self->read_func)(self, &s, 4) < 0) return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3147 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3148 | l = calc_binint(s, 4); |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3149 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3150 | if ((*self->read_func)(self, &s, l) < 0) |
| 3151 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3152 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3153 | if (!( unicode = PyUnicode_DecodeUTF8(s, l, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3154 | return -1; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3155 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3156 | PDATA_PUSH(self->stack, unicode, -1); |
| 3157 | return 0; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3158 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3159 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3160 | |
| 3161 | |
| 3162 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3163 | load_tuple(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3164 | { |
| 3165 | PyObject *tup; |
| 3166 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3167 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3168 | if ((i = marker(self)) < 0) return -1; |
| 3169 | if (!( tup=Pdata_popTuple(self->stack, i))) return -1; |
| 3170 | PDATA_PUSH(self->stack, tup, -1); |
| 3171 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3172 | } |
| 3173 | |
| 3174 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3175 | load_empty_tuple(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3176 | { |
| 3177 | PyObject *tup; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3178 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3179 | if (!( tup=PyTuple_New(0))) return -1; |
| 3180 | PDATA_PUSH(self->stack, tup, -1); |
| 3181 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3182 | } |
| 3183 | |
| 3184 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3185 | load_empty_list(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3186 | { |
| 3187 | PyObject *list; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3188 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3189 | if (!( list=PyList_New(0))) return -1; |
| 3190 | PDATA_PUSH(self->stack, list, -1); |
| 3191 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3192 | } |
| 3193 | |
| 3194 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3195 | load_empty_dict(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3196 | { |
| 3197 | PyObject *dict; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3198 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3199 | if (!( dict=PyDict_New())) return -1; |
| 3200 | PDATA_PUSH(self->stack, dict, -1); |
| 3201 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3202 | } |
| 3203 | |
| 3204 | |
| 3205 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3206 | load_list(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3207 | { |
| 3208 | PyObject *list = 0; |
| 3209 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3210 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3211 | if ((i = marker(self)) < 0) return -1; |
| 3212 | if (!( list=Pdata_popList(self->stack, i))) return -1; |
| 3213 | PDATA_PUSH(self->stack, list, -1); |
| 3214 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3215 | } |
| 3216 | |
| 3217 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3218 | load_dict(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3219 | { |
| 3220 | PyObject *dict, *key, *value; |
| 3221 | int i, j, k; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3222 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3223 | if ((i = marker(self)) < 0) return -1; |
| 3224 | j=self->stack->length; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3225 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3226 | if (!( dict = PyDict_New())) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3227 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3228 | for (k = i+1; k < j; k += 2) { |
| 3229 | key =self->stack->data[k-1]; |
| 3230 | value=self->stack->data[k ]; |
| 3231 | if (PyDict_SetItem(dict, key, value) < 0) { |
| 3232 | Py_DECREF(dict); |
| 3233 | return -1; |
| 3234 | } |
| 3235 | } |
| 3236 | Pdata_clear(self->stack, i); |
| 3237 | PDATA_PUSH(self->stack, dict, -1); |
| 3238 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3239 | } |
| 3240 | |
| 3241 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3242 | Instance_New(PyObject *cls, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3243 | { |
Tim Peters | 1f1b2d2 | 2003-02-01 02:16:37 +0000 | [diff] [blame] | 3244 | PyObject *r = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3245 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3246 | if (PyClass_Check(cls)) { |
| 3247 | int l; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3248 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3249 | if ((l=PyObject_Size(args)) < 0) goto err; |
| 3250 | if (!( l )) { |
| 3251 | PyObject *__getinitargs__; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3252 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3253 | __getinitargs__ = PyObject_GetAttr(cls, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3254 | __getinitargs___str); |
| 3255 | if (!__getinitargs__) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3256 | /* We have a class with no __getinitargs__, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3257 | so bypass usual construction */ |
| 3258 | PyObject *inst; |
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 | PyErr_Clear(); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3261 | if (!( inst=PyInstance_NewRaw(cls, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3262 | goto err; |
| 3263 | return inst; |
| 3264 | } |
| 3265 | Py_DECREF(__getinitargs__); |
| 3266 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3267 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3268 | if ((r=PyInstance_New(cls, args, NULL))) return r; |
| 3269 | else goto err; |
| 3270 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3271 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3272 | if (args==Py_None) { |
| 3273 | /* Special case, call cls.__basicnew__() */ |
| 3274 | PyObject *basicnew; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3275 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3276 | basicnew = PyObject_GetAttr(cls, __basicnew___str); |
| 3277 | if (!basicnew) return NULL; |
| 3278 | r=PyObject_CallObject(basicnew, NULL); |
| 3279 | Py_DECREF(basicnew); |
| 3280 | if (r) return r; |
| 3281 | } |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 3282 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3283 | if ((r=PyObject_CallObject(cls, args))) return r; |
Guido van Rossum | 142eeb8 | 1997-08-13 03:14:41 +0000 | [diff] [blame] | 3284 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3285 | err: |
| 3286 | { |
| 3287 | PyObject *tp, *v, *tb; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3288 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3289 | PyErr_Fetch(&tp, &v, &tb); |
| 3290 | if ((r=Py_BuildValue("OOO",v,cls,args))) { |
| 3291 | Py_XDECREF(v); |
| 3292 | v=r; |
| 3293 | } |
| 3294 | PyErr_Restore(tp,v,tb); |
| 3295 | } |
| 3296 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3297 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3298 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3299 | |
| 3300 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3301 | load_obj(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3302 | { |
| 3303 | PyObject *class, *tup, *obj=0; |
| 3304 | int i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3305 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3306 | if ((i = marker(self)) < 0) return -1; |
| 3307 | if (!( tup=Pdata_popTuple(self->stack, i+1))) return -1; |
| 3308 | PDATA_POP(self->stack, class); |
| 3309 | if (class) { |
| 3310 | obj = Instance_New(class, tup); |
| 3311 | Py_DECREF(class); |
| 3312 | } |
| 3313 | Py_DECREF(tup); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3314 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3315 | if (! obj) return -1; |
| 3316 | PDATA_PUSH(self->stack, obj, -1); |
| 3317 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3318 | } |
| 3319 | |
| 3320 | |
| 3321 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3322 | load_inst(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3323 | { |
| 3324 | PyObject *tup, *class=0, *obj=0, *module_name, *class_name; |
| 3325 | int i, len; |
| 3326 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3327 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3328 | if ((i = marker(self)) < 0) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3329 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3330 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 3331 | if (len < 2) return bad_readline(); |
| 3332 | module_name = PyString_FromStringAndSize(s, len - 1); |
| 3333 | if (!module_name) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3334 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3335 | if ((len = (*self->readline_func)(self, &s)) >= 0) { |
| 3336 | if (len < 2) return bad_readline(); |
| 3337 | if ((class_name = PyString_FromStringAndSize(s, len - 1))) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3338 | class = find_class(module_name, class_name, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3339 | self->find_class); |
| 3340 | Py_DECREF(class_name); |
| 3341 | } |
| 3342 | } |
| 3343 | Py_DECREF(module_name); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3344 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3345 | if (! class) return -1; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3346 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3347 | if ((tup=Pdata_popTuple(self->stack, i))) { |
| 3348 | obj = Instance_New(class, tup); |
| 3349 | Py_DECREF(tup); |
| 3350 | } |
| 3351 | Py_DECREF(class); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3352 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3353 | if (! obj) return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 3354 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3355 | PDATA_PUSH(self->stack, obj, -1); |
| 3356 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3357 | } |
| 3358 | |
| 3359 | |
| 3360 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3361 | load_global(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3362 | { |
| 3363 | PyObject *class = 0, *module_name = 0, *class_name = 0; |
| 3364 | int len; |
| 3365 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3366 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3367 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 3368 | if (len < 2) return bad_readline(); |
| 3369 | module_name = PyString_FromStringAndSize(s, len - 1); |
| 3370 | if (!module_name) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3371 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3372 | if ((len = (*self->readline_func)(self, &s)) >= 0) { |
Tim Peters | 4e52ca8 | 2002-12-07 02:43:28 +0000 | [diff] [blame] | 3373 | if (len < 2) { |
| 3374 | Py_DECREF(module_name); |
| 3375 | return bad_readline(); |
| 3376 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3377 | if ((class_name = PyString_FromStringAndSize(s, len - 1))) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3378 | class = find_class(module_name, class_name, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3379 | self->find_class); |
| 3380 | Py_DECREF(class_name); |
| 3381 | } |
| 3382 | } |
| 3383 | Py_DECREF(module_name); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3384 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3385 | if (! class) return -1; |
| 3386 | PDATA_PUSH(self->stack, class, -1); |
| 3387 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3388 | } |
| 3389 | |
| 3390 | |
| 3391 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3392 | load_persid(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3393 | { |
| 3394 | PyObject *pid = 0; |
| 3395 | int len; |
| 3396 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3397 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3398 | if (self->pers_func) { |
| 3399 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
| 3400 | if (len < 2) return bad_readline(); |
| 3401 | |
| 3402 | pid = PyString_FromStringAndSize(s, len - 1); |
| 3403 | if (!pid) return -1; |
| 3404 | |
| 3405 | if (PyList_Check(self->pers_func)) { |
| 3406 | if (PyList_Append(self->pers_func, pid) < 0) { |
| 3407 | Py_DECREF(pid); |
| 3408 | return -1; |
| 3409 | } |
| 3410 | } |
| 3411 | else { |
| 3412 | ARG_TUP(self, pid); |
| 3413 | if (self->arg) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3414 | pid = PyObject_Call(self->pers_func, self->arg, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3415 | NULL); |
| 3416 | FREE_ARG_TUP(self); |
| 3417 | } |
| 3418 | } |
| 3419 | |
| 3420 | if (! pid) return -1; |
| 3421 | |
| 3422 | PDATA_PUSH(self->stack, pid, -1); |
| 3423 | return 0; |
| 3424 | } |
| 3425 | else { |
| 3426 | PyErr_SetString(UnpicklingError, |
| 3427 | "A load persistent id instruction was encountered,\n" |
| 3428 | "but no persistent_load function was specified."); |
| 3429 | return -1; |
| 3430 | } |
| 3431 | } |
| 3432 | |
| 3433 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3434 | load_binpersid(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3435 | { |
| 3436 | PyObject *pid = 0; |
| 3437 | |
| 3438 | if (self->pers_func) { |
| 3439 | PDATA_POP(self->stack, pid); |
| 3440 | if (! pid) return -1; |
| 3441 | |
| 3442 | if (PyList_Check(self->pers_func)) { |
| 3443 | if (PyList_Append(self->pers_func, pid) < 0) { |
| 3444 | Py_DECREF(pid); |
| 3445 | return -1; |
| 3446 | } |
| 3447 | } |
| 3448 | else { |
| 3449 | ARG_TUP(self, pid); |
| 3450 | if (self->arg) { |
| 3451 | pid = PyObject_Call(self->pers_func, self->arg, |
| 3452 | NULL); |
| 3453 | FREE_ARG_TUP(self); |
| 3454 | } |
| 3455 | if (! pid) return -1; |
| 3456 | } |
| 3457 | |
| 3458 | PDATA_PUSH(self->stack, pid, -1); |
| 3459 | return 0; |
| 3460 | } |
| 3461 | else { |
| 3462 | PyErr_SetString(UnpicklingError, |
| 3463 | "A load persistent id instruction was encountered,\n" |
| 3464 | "but no persistent_load function was specified."); |
| 3465 | return -1; |
| 3466 | } |
| 3467 | } |
| 3468 | |
| 3469 | |
| 3470 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3471 | load_pop(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3472 | { |
| 3473 | int len; |
| 3474 | |
| 3475 | if (!( (len=self->stack->length) > 0 )) return stackUnderflow(); |
| 3476 | |
| 3477 | /* Note that we split the (pickle.py) stack into two stacks, |
| 3478 | an object stack and a mark stack. We have to be clever and |
| 3479 | pop the right one. We do this by looking at the top of the |
| 3480 | mark stack. |
| 3481 | */ |
| 3482 | |
| 3483 | if ((self->num_marks > 0) && |
| 3484 | (self->marks[self->num_marks - 1] == len)) |
| 3485 | self->num_marks--; |
| 3486 | else { |
| 3487 | len--; |
| 3488 | Py_DECREF(self->stack->data[len]); |
| 3489 | self->stack->length=len; |
| 3490 | } |
| 3491 | |
| 3492 | return 0; |
| 3493 | } |
| 3494 | |
| 3495 | |
| 3496 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3497 | load_pop_mark(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3498 | { |
| 3499 | int i; |
| 3500 | |
| 3501 | if ((i = marker(self)) < 0) |
| 3502 | return -1; |
| 3503 | |
| 3504 | Pdata_clear(self->stack, i); |
| 3505 | |
| 3506 | return 0; |
| 3507 | } |
| 3508 | |
| 3509 | |
| 3510 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3511 | load_dup(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3512 | { |
| 3513 | PyObject *last; |
| 3514 | int len; |
| 3515 | |
| 3516 | if ((len = self->stack->length) <= 0) return stackUnderflow(); |
| 3517 | last=self->stack->data[len-1]; |
| 3518 | Py_INCREF(last); |
| 3519 | PDATA_PUSH(self->stack, last, -1); |
| 3520 | return 0; |
| 3521 | } |
| 3522 | |
| 3523 | |
| 3524 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3525 | load_get(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3526 | { |
| 3527 | PyObject *py_str = 0, *value = 0; |
| 3528 | int len; |
| 3529 | char *s; |
| 3530 | int rc; |
| 3531 | |
| 3532 | if ((len = (*self->readline_func)(self, &s)) < 0) return -1; |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 3533 | if (len < 2) return bad_readline(); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3534 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3535 | if (!( py_str = PyString_FromStringAndSize(s, len - 1))) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3536 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3537 | value = PyDict_GetItem(self->memo, py_str); |
| 3538 | if (! value) { |
| 3539 | PyErr_SetObject(BadPickleGet, py_str); |
| 3540 | rc = -1; |
| 3541 | } else { |
| 3542 | PDATA_APPEND(self->stack, value, -1); |
| 3543 | rc = 0; |
| 3544 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3545 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3546 | Py_DECREF(py_str); |
| 3547 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3548 | } |
| 3549 | |
| 3550 | |
| 3551 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3552 | load_binget(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3553 | { |
| 3554 | PyObject *py_key = 0, *value = 0; |
| 3555 | unsigned char key; |
| 3556 | char *s; |
| 3557 | int rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3558 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3559 | if ((*self->read_func)(self, &s, 1) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3560 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3561 | key = (unsigned char)s[0]; |
| 3562 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
Guido van Rossum | ea2b715 | 2000-05-09 18:14:50 +0000 | [diff] [blame] | 3563 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3564 | value = PyDict_GetItem(self->memo, py_key); |
| 3565 | if (! value) { |
| 3566 | PyErr_SetObject(BadPickleGet, py_key); |
| 3567 | rc = -1; |
| 3568 | } else { |
| 3569 | PDATA_APPEND(self->stack, value, -1); |
| 3570 | rc = 0; |
| 3571 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3572 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3573 | Py_DECREF(py_key); |
| 3574 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3575 | } |
| 3576 | |
| 3577 | |
| 3578 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3579 | load_long_binget(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3580 | { |
| 3581 | PyObject *py_key = 0, *value = 0; |
| 3582 | unsigned char c; |
| 3583 | char *s; |
| 3584 | long key; |
| 3585 | int rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3586 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3587 | if ((*self->read_func)(self, &s, 4) < 0) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3588 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3589 | c = (unsigned char)s[0]; |
| 3590 | key = (long)c; |
| 3591 | c = (unsigned char)s[1]; |
| 3592 | key |= (long)c << 8; |
| 3593 | c = (unsigned char)s[2]; |
| 3594 | key |= (long)c << 16; |
| 3595 | c = (unsigned char)s[3]; |
| 3596 | key |= (long)c << 24; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3597 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3598 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
| 3599 | |
| 3600 | value = PyDict_GetItem(self->memo, py_key); |
| 3601 | if (! value) { |
| 3602 | PyErr_SetObject(BadPickleGet, py_key); |
| 3603 | rc = -1; |
| 3604 | } else { |
| 3605 | PDATA_APPEND(self->stack, value, -1); |
| 3606 | rc = 0; |
| 3607 | } |
| 3608 | |
| 3609 | Py_DECREF(py_key); |
| 3610 | return rc; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3611 | } |
| 3612 | |
| 3613 | |
| 3614 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3615 | load_put(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3616 | { |
| 3617 | PyObject *py_str = 0, *value = 0; |
| 3618 | int len, l; |
| 3619 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3620 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3621 | if ((l = (*self->readline_func)(self, &s)) < 0) return -1; |
| 3622 | if (l < 2) return bad_readline(); |
| 3623 | if (!( len=self->stack->length )) return stackUnderflow(); |
| 3624 | if (!( py_str = PyString_FromStringAndSize(s, l - 1))) return -1; |
| 3625 | value=self->stack->data[len-1]; |
| 3626 | l=PyDict_SetItem(self->memo, py_str, value); |
| 3627 | Py_DECREF(py_str); |
| 3628 | return l; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3629 | } |
| 3630 | |
| 3631 | |
| 3632 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3633 | load_binput(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3634 | { |
| 3635 | PyObject *py_key = 0, *value = 0; |
| 3636 | unsigned char key; |
| 3637 | char *s; |
| 3638 | int len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3639 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3640 | if ((*self->read_func)(self, &s, 1) < 0) return -1; |
| 3641 | if (!( (len=self->stack->length) > 0 )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3642 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3643 | key = (unsigned char)s[0]; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 3644 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3645 | if (!( py_key = PyInt_FromLong((long)key))) return -1; |
| 3646 | value=self->stack->data[len-1]; |
| 3647 | len=PyDict_SetItem(self->memo, py_key, value); |
| 3648 | Py_DECREF(py_key); |
| 3649 | return len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3650 | } |
| 3651 | |
| 3652 | |
| 3653 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3654 | load_long_binput(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3655 | { |
| 3656 | PyObject *py_key = 0, *value = 0; |
| 3657 | long key; |
| 3658 | unsigned char c; |
| 3659 | char *s; |
| 3660 | int len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3661 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3662 | if ((*self->read_func)(self, &s, 4) < 0) return -1; |
| 3663 | if (!( len=self->stack->length )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3664 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3665 | c = (unsigned char)s[0]; |
| 3666 | key = (long)c; |
| 3667 | c = (unsigned char)s[1]; |
| 3668 | key |= (long)c << 8; |
| 3669 | c = (unsigned char)s[2]; |
| 3670 | key |= (long)c << 16; |
| 3671 | c = (unsigned char)s[3]; |
| 3672 | key |= (long)c << 24; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3673 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3674 | if (!( py_key = PyInt_FromLong(key))) return -1; |
| 3675 | value=self->stack->data[len-1]; |
| 3676 | len=PyDict_SetItem(self->memo, py_key, value); |
| 3677 | Py_DECREF(py_key); |
| 3678 | return len; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3679 | } |
| 3680 | |
| 3681 | |
| 3682 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3683 | do_append(Unpicklerobject *self, int x) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3684 | { |
| 3685 | PyObject *value = 0, *list = 0, *append_method = 0; |
| 3686 | int len, i; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3687 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3688 | len=self->stack->length; |
| 3689 | if (!( len >= x && x > 0 )) return stackUnderflow(); |
| 3690 | /* nothing to do */ |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3691 | if (len==x) return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3692 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3693 | list=self->stack->data[x-1]; |
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 | if (PyList_Check(list)) { |
| 3696 | PyObject *slice; |
| 3697 | int list_len; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3698 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3699 | slice=Pdata_popList(self->stack, x); |
| 3700 | list_len = PyList_GET_SIZE(list); |
| 3701 | i=PyList_SetSlice(list, list_len, list_len, slice); |
| 3702 | Py_DECREF(slice); |
| 3703 | return i; |
| 3704 | } |
| 3705 | else { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3706 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3707 | if (!( append_method = PyObject_GetAttr(list, append_str))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3708 | return -1; |
| 3709 | |
| 3710 | for (i = x; i < len; i++) { |
| 3711 | PyObject *junk; |
| 3712 | |
| 3713 | value=self->stack->data[i]; |
| 3714 | junk=0; |
| 3715 | ARG_TUP(self, value); |
| 3716 | if (self->arg) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3717 | junk = PyObject_Call(append_method, self->arg, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3718 | NULL); |
| 3719 | FREE_ARG_TUP(self); |
| 3720 | } |
| 3721 | if (! junk) { |
| 3722 | Pdata_clear(self->stack, i+1); |
| 3723 | self->stack->length=x; |
| 3724 | Py_DECREF(append_method); |
| 3725 | return -1; |
| 3726 | } |
| 3727 | Py_DECREF(junk); |
| 3728 | } |
| 3729 | self->stack->length=x; |
| 3730 | Py_DECREF(append_method); |
| 3731 | } |
| 3732 | |
| 3733 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3734 | } |
| 3735 | |
| 3736 | |
| 3737 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3738 | load_append(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3739 | { |
| 3740 | return do_append(self, self->stack->length - 1); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3741 | } |
| 3742 | |
| 3743 | |
| 3744 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3745 | load_appends(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3746 | { |
| 3747 | return do_append(self, marker(self)); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3748 | } |
| 3749 | |
| 3750 | |
| 3751 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3752 | do_setitems(Unpicklerobject *self, int x) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3753 | { |
| 3754 | PyObject *value = 0, *key = 0, *dict = 0; |
| 3755 | int len, i, r=0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3756 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3757 | if (!( (len=self->stack->length) >= x |
| 3758 | && x > 0 )) return stackUnderflow(); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3759 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3760 | dict=self->stack->data[x-1]; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3761 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3762 | for (i = x+1; i < len; i += 2) { |
| 3763 | key =self->stack->data[i-1]; |
| 3764 | value=self->stack->data[i ]; |
| 3765 | if (PyObject_SetItem(dict, key, value) < 0) { |
| 3766 | r=-1; |
| 3767 | break; |
| 3768 | } |
| 3769 | } |
| 3770 | |
| 3771 | Pdata_clear(self->stack, x); |
| 3772 | |
| 3773 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3774 | } |
| 3775 | |
| 3776 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3777 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3778 | load_setitem(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3779 | { |
| 3780 | return do_setitems(self, self->stack->length - 2); |
| 3781 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3782 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3783 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3784 | load_setitems(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3785 | { |
| 3786 | return do_setitems(self, marker(self)); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3787 | } |
| 3788 | |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3789 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3790 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3791 | load_build(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3792 | { |
| 3793 | PyObject *value = 0, *inst = 0, *instdict = 0, *d_key = 0, *d_value = 0, |
| 3794 | *junk = 0, *__setstate__ = 0; |
| 3795 | int i, r = 0; |
| 3796 | |
| 3797 | if (self->stack->length < 2) return stackUnderflow(); |
| 3798 | PDATA_POP(self->stack, value); |
| 3799 | if (! value) return -1; |
| 3800 | inst=self->stack->data[self->stack->length-1]; |
| 3801 | |
| 3802 | if ((__setstate__ = PyObject_GetAttr(inst, __setstate___str))) { |
| 3803 | ARG_TUP(self, value); |
| 3804 | if (self->arg) { |
| 3805 | junk = PyObject_Call(__setstate__, self->arg, NULL); |
| 3806 | FREE_ARG_TUP(self); |
| 3807 | } |
| 3808 | Py_DECREF(__setstate__); |
| 3809 | if (! junk) return -1; |
| 3810 | Py_DECREF(junk); |
| 3811 | return 0; |
| 3812 | } |
| 3813 | |
| 3814 | PyErr_Clear(); |
| 3815 | if ((instdict = PyObject_GetAttr(inst, __dict___str))) { |
| 3816 | i = 0; |
| 3817 | while (PyDict_Next(value, &i, &d_key, &d_value)) { |
| 3818 | if (PyObject_SetItem(instdict, d_key, d_value) < 0) { |
| 3819 | r=-1; |
| 3820 | break; |
| 3821 | } |
| 3822 | } |
| 3823 | Py_DECREF(instdict); |
| 3824 | } |
| 3825 | else r=-1; |
| 3826 | |
| 3827 | Py_XDECREF(value); |
| 3828 | |
| 3829 | return r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3830 | } |
| 3831 | |
| 3832 | |
| 3833 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3834 | load_mark(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3835 | { |
| 3836 | int s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3837 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3838 | /* Note that we split the (pickle.py) stack into two stacks, an |
| 3839 | object stack and a mark stack. Here we push a mark onto the |
| 3840 | mark stack. |
| 3841 | */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3842 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3843 | if ((self->num_marks + 1) >= self->marks_size) { |
| 3844 | s=self->marks_size+20; |
| 3845 | if (s <= self->num_marks) s=self->num_marks + 1; |
| 3846 | if (self->marks == NULL) |
| 3847 | self->marks=(int *)malloc(s * sizeof(int)); |
| 3848 | else |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3849 | self->marks=(int *)realloc(self->marks, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3850 | s * sizeof(int)); |
| 3851 | if (! self->marks) { |
| 3852 | PyErr_NoMemory(); |
| 3853 | return -1; |
| 3854 | } |
| 3855 | self->marks_size = s; |
| 3856 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3857 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3858 | self->marks[self->num_marks++] = self->stack->length; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3859 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3860 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3861 | } |
| 3862 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3863 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3864 | load_reduce(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3865 | { |
| 3866 | PyObject *callable = 0, *arg_tup = 0, *ob = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3867 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3868 | PDATA_POP(self->stack, arg_tup); |
| 3869 | if (! arg_tup) return -1; |
| 3870 | PDATA_POP(self->stack, callable); |
| 3871 | if (callable) { |
| 3872 | ob = Instance_New(callable, arg_tup); |
| 3873 | Py_DECREF(callable); |
| 3874 | } |
| 3875 | Py_DECREF(arg_tup); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3876 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3877 | if (! ob) return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3878 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3879 | PDATA_PUSH(self->stack, ob, -1); |
| 3880 | return 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3881 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 3882 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 3883 | /* Just raises an error if we don't know the protocol specified. PROTO |
| 3884 | * is the first opcode for protocols >= 2. |
| 3885 | */ |
| 3886 | static int |
| 3887 | load_proto(Unpicklerobject *self) |
| 3888 | { |
| 3889 | int i; |
| 3890 | char *protobyte; |
| 3891 | |
| 3892 | i = self->read_func(self, &protobyte, 1); |
| 3893 | if (i < 0) |
| 3894 | return -1; |
| 3895 | |
| 3896 | i = calc_binint(protobyte, 1); |
| 3897 | /* No point checking for < 0, since calc_binint returns an unsigned |
| 3898 | * int when chewing on 1 byte. |
| 3899 | */ |
| 3900 | assert(i >= 0); |
| 3901 | if (i <= CURRENT_PROTOCOL_NUMBER) |
| 3902 | return 0; |
| 3903 | |
| 3904 | PyErr_Format(PyExc_ValueError, "unsupported pickle protocol: %d", i); |
| 3905 | return -1; |
| 3906 | } |
| 3907 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3908 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 3909 | load(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3910 | { |
| 3911 | PyObject *err = 0, *val = 0; |
| 3912 | char *s; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3913 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3914 | self->num_marks = 0; |
| 3915 | if (self->stack->length) Pdata_clear(self->stack, 0); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3916 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3917 | while (1) { |
| 3918 | if ((*self->read_func)(self, &s, 1) < 0) |
| 3919 | break; |
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 | switch (s[0]) { |
| 3922 | case NONE: |
| 3923 | if (load_none(self) < 0) |
| 3924 | break; |
| 3925 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3926 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3927 | case BININT: |
| 3928 | if (load_binint(self) < 0) |
| 3929 | break; |
| 3930 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3931 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3932 | case BININT1: |
| 3933 | if (load_binint1(self) < 0) |
| 3934 | break; |
| 3935 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3936 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3937 | case BININT2: |
| 3938 | if (load_binint2(self) < 0) |
| 3939 | break; |
| 3940 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3941 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3942 | case INT: |
| 3943 | if (load_int(self) < 0) |
| 3944 | break; |
| 3945 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3946 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3947 | case LONG: |
| 3948 | if (load_long(self) < 0) |
| 3949 | break; |
| 3950 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3951 | |
Tim Peters | ee1a53c | 2003-02-02 02:57:53 +0000 | [diff] [blame] | 3952 | case LONG1: |
| 3953 | if (load_counted_long(self, 1) < 0) |
| 3954 | break; |
| 3955 | continue; |
| 3956 | |
| 3957 | case LONG4: |
| 3958 | if (load_counted_long(self, 4) < 0) |
| 3959 | break; |
| 3960 | continue; |
| 3961 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3962 | case FLOAT: |
| 3963 | if (load_float(self) < 0) |
| 3964 | break; |
| 3965 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3966 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3967 | case BINFLOAT: |
| 3968 | if (load_binfloat(self) < 0) |
| 3969 | break; |
| 3970 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3971 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3972 | case BINSTRING: |
| 3973 | if (load_binstring(self) < 0) |
| 3974 | break; |
| 3975 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3976 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3977 | case SHORT_BINSTRING: |
| 3978 | if (load_short_binstring(self) < 0) |
| 3979 | break; |
| 3980 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3981 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3982 | case STRING: |
| 3983 | if (load_string(self) < 0) |
| 3984 | break; |
| 3985 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 3986 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3987 | #ifdef Py_USING_UNICODE |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3988 | case UNICODE: |
| 3989 | if (load_unicode(self) < 0) |
| 3990 | break; |
| 3991 | continue; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3992 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3993 | case BINUNICODE: |
| 3994 | if (load_binunicode(self) < 0) |
| 3995 | break; |
| 3996 | continue; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 3997 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 3998 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 3999 | case EMPTY_TUPLE: |
| 4000 | if (load_empty_tuple(self) < 0) |
| 4001 | break; |
| 4002 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4003 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4004 | case TUPLE: |
| 4005 | if (load_tuple(self) < 0) |
| 4006 | break; |
| 4007 | continue; |
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 EMPTY_LIST: |
| 4010 | if (load_empty_list(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 LIST: |
| 4015 | if (load_list(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 EMPTY_DICT: |
| 4020 | if (load_empty_dict(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 DICT: |
| 4025 | if (load_dict(self) < 0) |
| 4026 | break; |
| 4027 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4028 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4029 | case OBJ: |
| 4030 | if (load_obj(self) < 0) |
| 4031 | break; |
| 4032 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4033 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4034 | case INST: |
| 4035 | if (load_inst(self) < 0) |
| 4036 | break; |
| 4037 | continue; |
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 | case GLOBAL: |
| 4040 | if (load_global(self) < 0) |
| 4041 | break; |
| 4042 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4043 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4044 | case APPEND: |
| 4045 | if (load_append(self) < 0) |
| 4046 | break; |
| 4047 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4048 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4049 | case APPENDS: |
| 4050 | if (load_appends(self) < 0) |
| 4051 | break; |
| 4052 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4053 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4054 | case BUILD: |
| 4055 | if (load_build(self) < 0) |
| 4056 | break; |
| 4057 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4058 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4059 | case DUP: |
| 4060 | if (load_dup(self) < 0) |
| 4061 | break; |
| 4062 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4063 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4064 | case BINGET: |
| 4065 | if (load_binget(self) < 0) |
| 4066 | break; |
| 4067 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4068 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4069 | case LONG_BINGET: |
| 4070 | if (load_long_binget(self) < 0) |
| 4071 | break; |
| 4072 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4073 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4074 | case GET: |
| 4075 | if (load_get(self) < 0) |
| 4076 | break; |
| 4077 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4078 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4079 | case MARK: |
| 4080 | if (load_mark(self) < 0) |
| 4081 | break; |
| 4082 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4083 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4084 | case BINPUT: |
| 4085 | if (load_binput(self) < 0) |
| 4086 | break; |
| 4087 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4088 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4089 | case LONG_BINPUT: |
| 4090 | if (load_long_binput(self) < 0) |
| 4091 | break; |
| 4092 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4093 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4094 | case PUT: |
| 4095 | if (load_put(self) < 0) |
| 4096 | break; |
| 4097 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4098 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4099 | case POP: |
| 4100 | if (load_pop(self) < 0) |
| 4101 | break; |
| 4102 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4103 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4104 | case POP_MARK: |
| 4105 | if (load_pop_mark(self) < 0) |
| 4106 | break; |
| 4107 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4108 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4109 | case SETITEM: |
| 4110 | if (load_setitem(self) < 0) |
| 4111 | break; |
| 4112 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4113 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4114 | case SETITEMS: |
| 4115 | if (load_setitems(self) < 0) |
| 4116 | break; |
| 4117 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4118 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4119 | case STOP: |
| 4120 | break; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4121 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4122 | case PERSID: |
| 4123 | if (load_persid(self) < 0) |
| 4124 | break; |
| 4125 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4126 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4127 | case BINPERSID: |
| 4128 | if (load_binpersid(self) < 0) |
| 4129 | break; |
| 4130 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4131 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4132 | case REDUCE: |
| 4133 | if (load_reduce(self) < 0) |
| 4134 | break; |
| 4135 | continue; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4136 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 4137 | case PROTO: |
| 4138 | if (load_proto(self) < 0) |
| 4139 | break; |
| 4140 | continue; |
| 4141 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4142 | case '\0': |
| 4143 | /* end of file */ |
| 4144 | PyErr_SetNone(PyExc_EOFError); |
| 4145 | break; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4146 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4147 | default: |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4148 | cPickle_ErrFormat(UnpicklingError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4149 | "invalid load key, '%s'.", |
| 4150 | "c", s[0]); |
| 4151 | return NULL; |
| 4152 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4153 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4154 | break; |
| 4155 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4156 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4157 | if ((err = PyErr_Occurred())) { |
| 4158 | if (err == PyExc_EOFError) { |
| 4159 | PyErr_SetNone(PyExc_EOFError); |
| 4160 | } |
| 4161 | return NULL; |
| 4162 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4163 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4164 | PDATA_POP(self->stack, val); |
| 4165 | return val; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4166 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4167 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4168 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4169 | /* No-load functions to support noload, which is used to |
| 4170 | find persistent references. */ |
| 4171 | |
| 4172 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4173 | noload_obj(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4174 | { |
| 4175 | int i; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4176 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4177 | if ((i = marker(self)) < 0) return -1; |
| 4178 | return Pdata_clear(self->stack, i+1); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4179 | } |
| 4180 | |
| 4181 | |
| 4182 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4183 | noload_inst(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4184 | { |
| 4185 | int i; |
| 4186 | char *s; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4187 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4188 | if ((i = marker(self)) < 0) return -1; |
| 4189 | Pdata_clear(self->stack, i); |
| 4190 | if ((*self->readline_func)(self, &s) < 0) return -1; |
| 4191 | if ((*self->readline_func)(self, &s) < 0) return -1; |
| 4192 | PDATA_APPEND(self->stack, Py_None,-1); |
| 4193 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4194 | } |
| 4195 | |
| 4196 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4197 | noload_global(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4198 | { |
| 4199 | char *s; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4200 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4201 | if ((*self->readline_func)(self, &s) < 0) return -1; |
| 4202 | if ((*self->readline_func)(self, &s) < 0) return -1; |
| 4203 | PDATA_APPEND(self->stack, Py_None,-1); |
| 4204 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4205 | } |
| 4206 | |
| 4207 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4208 | noload_reduce(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4209 | { |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4210 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4211 | if (self->stack->length < 2) return stackUnderflow(); |
| 4212 | Pdata_clear(self->stack, self->stack->length-2); |
| 4213 | PDATA_APPEND(self->stack, Py_None,-1); |
| 4214 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4215 | } |
| 4216 | |
| 4217 | static int |
| 4218 | noload_build(Unpicklerobject *self) { |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4219 | |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 4220 | if (self->stack->length < 1) return stackUnderflow(); |
| 4221 | Pdata_clear(self->stack, self->stack->length-1); |
Guido van Rossum | 50f385c | 1998-12-04 18:48:44 +0000 | [diff] [blame] | 4222 | return 0; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4223 | } |
| 4224 | |
| 4225 | |
| 4226 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4227 | noload(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4228 | { |
| 4229 | PyObject *err = 0, *val = 0; |
| 4230 | char *s; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4231 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4232 | self->num_marks = 0; |
| 4233 | Pdata_clear(self->stack, 0); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4234 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4235 | while (1) { |
| 4236 | if ((*self->read_func)(self, &s, 1) < 0) |
| 4237 | break; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4238 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4239 | switch (s[0]) { |
| 4240 | case NONE: |
| 4241 | if (load_none(self) < 0) |
| 4242 | break; |
| 4243 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4244 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4245 | case BININT: |
| 4246 | if (load_binint(self) < 0) |
| 4247 | break; |
| 4248 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4249 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4250 | case BININT1: |
| 4251 | if (load_binint1(self) < 0) |
| 4252 | break; |
| 4253 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4254 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4255 | case BININT2: |
| 4256 | if (load_binint2(self) < 0) |
| 4257 | break; |
| 4258 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4259 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4260 | case INT: |
| 4261 | if (load_int(self) < 0) |
| 4262 | break; |
| 4263 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4264 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4265 | case LONG: |
| 4266 | if (load_long(self) < 0) |
| 4267 | break; |
| 4268 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4269 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 4270 | case LONG1: |
| 4271 | if (load_counted_long(self, 1) < 0) |
| 4272 | break; |
| 4273 | continue; |
| 4274 | |
| 4275 | case LONG4: |
| 4276 | if (load_counted_long(self, 4) < 0) |
| 4277 | break; |
| 4278 | continue; |
| 4279 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4280 | case FLOAT: |
| 4281 | if (load_float(self) < 0) |
| 4282 | break; |
| 4283 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4284 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4285 | case BINFLOAT: |
| 4286 | if (load_binfloat(self) < 0) |
| 4287 | break; |
| 4288 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4289 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4290 | case BINSTRING: |
| 4291 | if (load_binstring(self) < 0) |
| 4292 | break; |
| 4293 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4294 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4295 | case SHORT_BINSTRING: |
| 4296 | if (load_short_binstring(self) < 0) |
| 4297 | break; |
| 4298 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4299 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4300 | case STRING: |
| 4301 | if (load_string(self) < 0) |
| 4302 | break; |
| 4303 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4304 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4305 | #ifdef Py_USING_UNICODE |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4306 | case UNICODE: |
| 4307 | if (load_unicode(self) < 0) |
| 4308 | break; |
| 4309 | continue; |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4310 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4311 | case BINUNICODE: |
| 4312 | if (load_binunicode(self) < 0) |
| 4313 | break; |
| 4314 | continue; |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 4315 | #endif |
Guido van Rossum | 5fccb7c | 2000-03-10 23:11:40 +0000 | [diff] [blame] | 4316 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4317 | case EMPTY_TUPLE: |
| 4318 | if (load_empty_tuple(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 TUPLE: |
| 4323 | if (load_tuple(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 | case EMPTY_LIST: |
| 4328 | if (load_empty_list(self) < 0) |
| 4329 | break; |
| 4330 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4331 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4332 | case LIST: |
| 4333 | if (load_list(self) < 0) |
| 4334 | break; |
| 4335 | continue; |
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 | case EMPTY_DICT: |
| 4338 | if (load_empty_dict(self) < 0) |
| 4339 | break; |
| 4340 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4341 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4342 | case DICT: |
| 4343 | if (load_dict(self) < 0) |
| 4344 | break; |
| 4345 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4346 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4347 | case OBJ: |
| 4348 | if (noload_obj(self) < 0) |
| 4349 | break; |
| 4350 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4351 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4352 | case INST: |
| 4353 | if (noload_inst(self) < 0) |
| 4354 | break; |
| 4355 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4356 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4357 | case GLOBAL: |
| 4358 | if (noload_global(self) < 0) |
| 4359 | break; |
| 4360 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4361 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4362 | case APPEND: |
| 4363 | if (load_append(self) < 0) |
| 4364 | break; |
| 4365 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4366 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4367 | case APPENDS: |
| 4368 | if (load_appends(self) < 0) |
| 4369 | break; |
| 4370 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4371 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4372 | case BUILD: |
| 4373 | if (noload_build(self) < 0) |
| 4374 | break; |
| 4375 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4376 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4377 | case DUP: |
| 4378 | if (load_dup(self) < 0) |
| 4379 | break; |
| 4380 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4381 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4382 | case BINGET: |
| 4383 | if (load_binget(self) < 0) |
| 4384 | break; |
| 4385 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4386 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4387 | case LONG_BINGET: |
| 4388 | if (load_long_binget(self) < 0) |
| 4389 | break; |
| 4390 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4391 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4392 | case GET: |
| 4393 | if (load_get(self) < 0) |
| 4394 | break; |
| 4395 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4396 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4397 | case MARK: |
| 4398 | if (load_mark(self) < 0) |
| 4399 | break; |
| 4400 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4401 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4402 | case BINPUT: |
| 4403 | if (load_binput(self) < 0) |
| 4404 | break; |
| 4405 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4406 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4407 | case LONG_BINPUT: |
| 4408 | if (load_long_binput(self) < 0) |
| 4409 | break; |
| 4410 | continue; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4411 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4412 | case PUT: |
| 4413 | if (load_put(self) < 0) |
| 4414 | break; |
| 4415 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4416 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4417 | case POP: |
| 4418 | if (load_pop(self) < 0) |
| 4419 | break; |
| 4420 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4421 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4422 | case POP_MARK: |
| 4423 | if (load_pop_mark(self) < 0) |
| 4424 | break; |
| 4425 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4426 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4427 | case SETITEM: |
| 4428 | if (load_setitem(self) < 0) |
| 4429 | break; |
| 4430 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4431 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4432 | case SETITEMS: |
| 4433 | if (load_setitems(self) < 0) |
| 4434 | break; |
| 4435 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4436 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4437 | case STOP: |
| 4438 | break; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4439 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4440 | case PERSID: |
| 4441 | if (load_persid(self) < 0) |
| 4442 | break; |
| 4443 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4444 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4445 | case BINPERSID: |
| 4446 | if (load_binpersid(self) < 0) |
| 4447 | break; |
| 4448 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4449 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4450 | case REDUCE: |
| 4451 | if (noload_reduce(self) < 0) |
| 4452 | break; |
| 4453 | continue; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4454 | |
Tim Peters | 4190fb8 | 2003-02-02 16:09:05 +0000 | [diff] [blame] | 4455 | case PROTO: |
| 4456 | if (load_proto(self) < 0) |
| 4457 | break; |
| 4458 | continue; |
| 4459 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4460 | default: |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4461 | cPickle_ErrFormat(UnpicklingError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4462 | "invalid load key, '%s'.", |
| 4463 | "c", s[0]); |
| 4464 | return NULL; |
| 4465 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4466 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4467 | break; |
| 4468 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4469 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4470 | if ((err = PyErr_Occurred())) { |
| 4471 | if (err == PyExc_EOFError) { |
| 4472 | PyErr_SetNone(PyExc_EOFError); |
| 4473 | } |
| 4474 | return NULL; |
| 4475 | } |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4476 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4477 | PDATA_POP(self->stack, val); |
| 4478 | return val; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4479 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4480 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4481 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4482 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4483 | Unpickler_load(Unpicklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4484 | { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4485 | if (!( PyArg_ParseTuple(args, ":load"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4486 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4487 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4488 | return load(self); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4489 | } |
| 4490 | |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4491 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4492 | Unpickler_noload(Unpicklerobject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4493 | { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4494 | if (!( PyArg_ParseTuple(args, ":noload"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4495 | return NULL; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4496 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4497 | return noload(self); |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4498 | } |
| 4499 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4500 | |
| 4501 | static struct PyMethodDef Unpickler_methods[] = { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4502 | {"load", (PyCFunction)Unpickler_load, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 4503 | PyDoc_STR("load() -- Load a pickle") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4504 | }, |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4505 | {"noload", (PyCFunction)Unpickler_noload, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 4506 | PyDoc_STR( |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4507 | "noload() -- not load a pickle, but go through most of the motions\n" |
| 4508 | "\n" |
| 4509 | "This function can be used to read past a pickle without instantiating\n" |
| 4510 | "any objects or importing any modules. It can also be used to find all\n" |
| 4511 | "persistent references without instantiating any objects or importing\n" |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 4512 | "any modules.\n") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4513 | }, |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4514 | {NULL, NULL} /* sentinel */ |
| 4515 | }; |
| 4516 | |
| 4517 | |
| 4518 | static Unpicklerobject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4519 | newUnpicklerobject(PyObject *f) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4520 | { |
| 4521 | Unpicklerobject *self; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4522 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4523 | if (!( self = PyObject_New(Unpicklerobject, &Unpicklertype))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4524 | return NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4525 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4526 | self->file = NULL; |
| 4527 | self->arg = NULL; |
| 4528 | self->stack = (Pdata*)Pdata_New(); |
| 4529 | self->pers_func = NULL; |
| 4530 | self->last_string = NULL; |
| 4531 | self->marks = NULL; |
| 4532 | self->num_marks = 0; |
| 4533 | self->marks_size = 0; |
| 4534 | self->buf_size = 0; |
| 4535 | self->read = NULL; |
| 4536 | self->readline = NULL; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4537 | self->find_class = NULL; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4538 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4539 | if (!( self->memo = PyDict_New())) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4540 | goto err; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4541 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4542 | Py_INCREF(f); |
| 4543 | self->file = f; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4544 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4545 | /* Set read, readline based on type of f */ |
| 4546 | if (PyFile_Check(f)) { |
| 4547 | self->fp = PyFile_AsFile(f); |
| 4548 | if (self->fp == NULL) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4549 | PyErr_SetString(PyExc_ValueError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4550 | "I/O operation on closed file"); |
| 4551 | goto err; |
| 4552 | } |
| 4553 | self->read_func = read_file; |
| 4554 | self->readline_func = readline_file; |
Guido van Rossum | c91fcaa | 1999-03-29 20:00:14 +0000 | [diff] [blame] | 4555 | } |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4556 | else if (PycStringIO_InputCheck(f)) { |
| 4557 | self->fp = NULL; |
| 4558 | self->read_func = read_cStringIO; |
| 4559 | self->readline_func = readline_cStringIO; |
| 4560 | } |
| 4561 | else { |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4562 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4563 | self->fp = NULL; |
| 4564 | self->read_func = read_other; |
| 4565 | self->readline_func = readline_other; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4566 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4567 | if (!( (self->readline = PyObject_GetAttr(f, readline_str)) && |
| 4568 | (self->read = PyObject_GetAttr(f, read_str)))) { |
| 4569 | PyErr_Clear(); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4570 | PyErr_SetString( PyExc_TypeError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4571 | "argument must have 'read' and " |
| 4572 | "'readline' attributes" ); |
| 4573 | goto err; |
| 4574 | } |
| 4575 | } |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4576 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4577 | return self; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4578 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4579 | err: |
| 4580 | Py_DECREF((PyObject *)self); |
| 4581 | return NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4582 | } |
| 4583 | |
| 4584 | |
| 4585 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4586 | get_Unpickler(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4587 | { |
| 4588 | PyObject *file; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4589 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4590 | if (!( PyArg_ParseTuple(args, "O:Unpickler", &file))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4591 | return NULL; |
| 4592 | return (PyObject *)newUnpicklerobject(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4593 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4594 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4595 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4596 | static void |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4597 | Unpickler_dealloc(Unpicklerobject *self) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4598 | { |
| 4599 | Py_XDECREF(self->readline); |
| 4600 | Py_XDECREF(self->read); |
| 4601 | Py_XDECREF(self->file); |
| 4602 | Py_XDECREF(self->memo); |
| 4603 | Py_XDECREF(self->stack); |
| 4604 | Py_XDECREF(self->pers_func); |
| 4605 | Py_XDECREF(self->arg); |
| 4606 | Py_XDECREF(self->last_string); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4607 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4608 | if (self->marks) { |
| 4609 | free(self->marks); |
| 4610 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4611 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4612 | if (self->buf_size) { |
| 4613 | free(self->buf); |
| 4614 | } |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4615 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4616 | PyObject_Del(self); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4617 | } |
| 4618 | |
| 4619 | |
| 4620 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4621 | Unpickler_getattr(Unpicklerobject *self, char *name) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4622 | { |
| 4623 | if (!strcmp(name, "persistent_load")) { |
| 4624 | if (!self->pers_func) { |
| 4625 | PyErr_SetString(PyExc_AttributeError, name); |
| 4626 | return NULL; |
| 4627 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4628 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4629 | Py_INCREF(self->pers_func); |
| 4630 | return self->pers_func; |
| 4631 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4632 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4633 | if (!strcmp(name, "find_global")) { |
| 4634 | if (!self->find_class) { |
| 4635 | PyErr_SetString(PyExc_AttributeError, name); |
| 4636 | return NULL; |
| 4637 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 4638 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4639 | Py_INCREF(self->find_class); |
| 4640 | return self->find_class; |
| 4641 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 4642 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4643 | if (!strcmp(name, "memo")) { |
| 4644 | if (!self->memo) { |
| 4645 | PyErr_SetString(PyExc_AttributeError, name); |
| 4646 | return NULL; |
| 4647 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4648 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4649 | Py_INCREF(self->memo); |
| 4650 | return self->memo; |
| 4651 | } |
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 | if (!strcmp(name, "UnpicklingError")) { |
| 4654 | Py_INCREF(UnpicklingError); |
| 4655 | return UnpicklingError; |
| 4656 | } |
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 Py_FindMethod(Unpickler_methods, (PyObject *)self, name); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4659 | } |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4660 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4661 | |
| 4662 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4663 | Unpickler_setattr(Unpicklerobject *self, char *name, PyObject *value) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4664 | { |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 4665 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4666 | if (!strcmp(name, "persistent_load")) { |
| 4667 | Py_XDECREF(self->pers_func); |
| 4668 | self->pers_func = value; |
| 4669 | Py_XINCREF(value); |
| 4670 | return 0; |
| 4671 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 4672 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4673 | if (!strcmp(name, "find_global")) { |
| 4674 | Py_XDECREF(self->find_class); |
| 4675 | self->find_class = value; |
| 4676 | Py_XINCREF(value); |
| 4677 | return 0; |
| 4678 | } |
Guido van Rossum | 1b9e0aa | 1999-04-19 17:58:18 +0000 | [diff] [blame] | 4679 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4680 | if (! value) { |
| 4681 | PyErr_SetString(PyExc_TypeError, |
| 4682 | "attribute deletion is not supported"); |
| 4683 | return -1; |
| 4684 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 4685 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4686 | if (strcmp(name, "memo") == 0) { |
| 4687 | if (!PyDict_Check(value)) { |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4688 | PyErr_SetString(PyExc_TypeError, |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4689 | "memo must be a dictionary"); |
| 4690 | return -1; |
| 4691 | } |
| 4692 | Py_XDECREF(self->memo); |
| 4693 | self->memo = value; |
| 4694 | Py_INCREF(value); |
| 4695 | return 0; |
| 4696 | } |
Jeremy Hylton | ce616e4 | 1998-08-13 23:13:52 +0000 | [diff] [blame] | 4697 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4698 | PyErr_SetString(PyExc_AttributeError, name); |
| 4699 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4700 | } |
| 4701 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4702 | /* --------------------------------------------------------------------------- |
| 4703 | * Module-level functions. |
| 4704 | */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4705 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4706 | /* dump(obj, file, proto=0). */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4707 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4708 | cpm_dump(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4709 | { |
| 4710 | PyObject *ob, *file, *res = NULL; |
| 4711 | Picklerobject *pickler = 0; |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4712 | int proto = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4713 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4714 | if (!( PyArg_ParseTuple(args, "OO|i", &ob, &file, &proto))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4715 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4716 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4717 | if (!( pickler = newPicklerobject(file, proto))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4718 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4719 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4720 | if (dump(pickler, ob) < 0) |
| 4721 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4722 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4723 | Py_INCREF(Py_None); |
| 4724 | res = Py_None; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4725 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4726 | finally: |
| 4727 | Py_XDECREF(pickler); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4728 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4729 | return res; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4730 | } |
| 4731 | |
| 4732 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4733 | /* dumps(obj, proto=0). */ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4734 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4735 | cpm_dumps(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4736 | { |
| 4737 | PyObject *ob, *file = 0, *res = NULL; |
| 4738 | Picklerobject *pickler = 0; |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4739 | int proto = 0; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4740 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4741 | if (!( PyArg_ParseTuple(args, "O|i:dumps", &ob, &proto))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4742 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4743 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4744 | if (!( file = PycStringIO->NewOutput(128))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4745 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4746 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4747 | if (!( pickler = newPicklerobject(file, proto))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4748 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4749 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4750 | if (dump(pickler, ob) < 0) |
| 4751 | goto finally; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4752 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4753 | res = PycStringIO->cgetvalue(file); |
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 | finally: |
| 4756 | Py_XDECREF(pickler); |
| 4757 | Py_XDECREF(file); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4758 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4759 | return res; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4760 | } |
| 4761 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4762 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4763 | /* load(fileobj). */ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4764 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4765 | cpm_load(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4766 | { |
| 4767 | Unpicklerobject *unpickler = 0; |
| 4768 | PyObject *ob, *res = NULL; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4769 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4770 | if (!( PyArg_ParseTuple(args, "O:load", &ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4771 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4772 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4773 | if (!( unpickler = newUnpicklerobject(ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4774 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4775 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4776 | res = load(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4777 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4778 | finally: |
| 4779 | Py_XDECREF(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4780 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4781 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4782 | } |
| 4783 | |
| 4784 | |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4785 | /* loads(string) */ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4786 | static PyObject * |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4787 | cpm_loads(PyObject *self, PyObject *args) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4788 | { |
| 4789 | PyObject *ob, *file = 0, *res = NULL; |
| 4790 | Unpicklerobject *unpickler = 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4791 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4792 | if (!( PyArg_ParseTuple(args, "S:loads", &ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4793 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4794 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4795 | if (!( file = PycStringIO->NewInput(ob))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4796 | goto finally; |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4797 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4798 | if (!( unpickler = newUnpicklerobject(file))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4799 | goto finally; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4800 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4801 | res = load(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4802 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4803 | finally: |
| 4804 | Py_XDECREF(file); |
| 4805 | Py_XDECREF(unpickler); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4806 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4807 | return res; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4808 | } |
| 4809 | |
| 4810 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 4811 | PyDoc_STRVAR(Unpicklertype__doc__, |
| 4812 | "Objects that know how to unpickle"); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4813 | |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 4814 | static PyTypeObject Unpicklertype = { |
| 4815 | PyObject_HEAD_INIT(NULL) |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4816 | 0, /*ob_size*/ |
Guido van Rossum | 1464839 | 2001-12-08 18:02:58 +0000 | [diff] [blame] | 4817 | "cPickle.Unpickler", /*tp_name*/ |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4818 | sizeof(Unpicklerobject), /*tp_basicsize*/ |
| 4819 | 0, /*tp_itemsize*/ |
| 4820 | /* methods */ |
| 4821 | (destructor)Unpickler_dealloc, /*tp_dealloc*/ |
| 4822 | (printfunc)0, /*tp_print*/ |
| 4823 | (getattrfunc)Unpickler_getattr, /*tp_getattr*/ |
| 4824 | (setattrfunc)Unpickler_setattr, /*tp_setattr*/ |
| 4825 | (cmpfunc)0, /*tp_compare*/ |
| 4826 | (reprfunc)0, /*tp_repr*/ |
| 4827 | 0, /*tp_as_number*/ |
| 4828 | 0, /*tp_as_sequence*/ |
| 4829 | 0, /*tp_as_mapping*/ |
| 4830 | (hashfunc)0, /*tp_hash*/ |
| 4831 | (ternaryfunc)0, /*tp_call*/ |
| 4832 | (reprfunc)0, /*tp_str*/ |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4833 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4834 | /* Space for future expansion */ |
| 4835 | 0L,0L,0L,0L, |
| 4836 | Unpicklertype__doc__ /* Documentation string */ |
Guido van Rossum | 9716aaa | 1997-12-08 15:15:16 +0000 | [diff] [blame] | 4837 | }; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4838 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4839 | static struct PyMethodDef cPickle_methods[] = { |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4840 | {"dump", (PyCFunction)cpm_dump, METH_VARARGS, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4841 | PyDoc_STR("dump(object, file, proto=0) -- " |
| 4842 | "Write an object in pickle format to the given file.\n" |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4843 | "\n" |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4844 | "See the Pickler docstring for the meaning of optional argument proto.") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4845 | }, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4846 | |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4847 | {"dumps", (PyCFunction)cpm_dumps, METH_VARARGS, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4848 | PyDoc_STR("dumps(object, proto=0) -- " |
| 4849 | "Return a string containing an object in pickle format.\n" |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4850 | "\n" |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4851 | "See the Pickler docstring for the meaning of optional argument proto.") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4852 | }, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4853 | |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4854 | {"load", (PyCFunction)cpm_load, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 4855 | PyDoc_STR("load(file) -- Load a pickle from the given file")}, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4856 | |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4857 | {"loads", (PyCFunction)cpm_loads, METH_VARARGS, |
Neal Norwitz | 200788c | 2002-08-13 22:20:41 +0000 | [diff] [blame] | 4858 | PyDoc_STR("loads(string) -- Load a pickle from the given string")}, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4859 | |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4860 | {"Pickler", (PyCFunction)get_Pickler, METH_VARARGS, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4861 | PyDoc_STR("Pickler(file, proto=0) -- Create a pickler.\n" |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4862 | "\n" |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4863 | "This takes a file-like object for writing a pickle data stream.\n" |
| 4864 | "The optional proto argument tells the pickler to use the given\n" |
| 4865 | "protocol; supported protocols are 0, 1, 2. The default\n" |
| 4866 | "protocol is 0, to be backwards compatible. (Protocol 0 is the\n" |
| 4867 | "only protocol that can be written to a file opened in text\n" |
| 4868 | "mode and read back successfully. When using a protocol higher\n" |
| 4869 | "than 0, make sure the file is opened in binary mode, both when\n" |
| 4870 | "pickling and unpickling.)\n" |
| 4871 | "\n" |
| 4872 | "Protocol 1 is more efficient than protocol 0; protocol 2 is\n" |
| 4873 | "more efficient than protocol 1.\n" |
| 4874 | "\n" |
| 4875 | "Specifying a negative protocol version selects the highest\n" |
| 4876 | "protocol version supported. The higher the protocol used, the\n" |
| 4877 | "more recent the version of Python needed to read the pickle\n" |
| 4878 | "produced.\n" |
| 4879 | "\n" |
| 4880 | "The file parameter must have a write() method that accepts a single\n" |
| 4881 | "string argument. It can thus be an open file object, a StringIO\n" |
| 4882 | "object, or any other custom object that meets this interface.\n") |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4883 | }, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4884 | |
Neal Norwitz | b049325 | 2002-03-31 14:44:22 +0000 | [diff] [blame] | 4885 | {"Unpickler", (PyCFunction)get_Unpickler, METH_VARARGS, |
Tim Peters | 5bd2a79 | 2003-02-01 16:45:06 +0000 | [diff] [blame] | 4886 | PyDoc_STR("Unpickler(file) -- Create an unpickler.")}, |
| 4887 | |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 4888 | { NULL, NULL } |
| 4889 | }; |
| 4890 | |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4891 | static int |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4892 | init_stuff(PyObject *module_dict) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4893 | { |
| 4894 | PyObject *copy_reg, *t, *r; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4895 | |
Martin v. Löwis | 43c9d8a | 2002-04-01 12:34:33 +0000 | [diff] [blame] | 4896 | #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] | 4897 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4898 | INIT_STR(__class__); |
| 4899 | INIT_STR(__getinitargs__); |
| 4900 | INIT_STR(__dict__); |
| 4901 | INIT_STR(__getstate__); |
| 4902 | INIT_STR(__setstate__); |
| 4903 | INIT_STR(__name__); |
| 4904 | INIT_STR(__main__); |
| 4905 | INIT_STR(__reduce__); |
| 4906 | INIT_STR(write); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4907 | INIT_STR(append); |
| 4908 | INIT_STR(read); |
| 4909 | INIT_STR(readline); |
| 4910 | INIT_STR(copy_reg); |
| 4911 | INIT_STR(dispatch_table); |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4912 | INIT_STR(__basicnew__); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4913 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4914 | if (!( copy_reg = PyImport_ImportModule("copy_reg"))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4915 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4916 | |
Tim Peters | 1f1b2d2 | 2003-02-01 02:16:37 +0000 | [diff] [blame] | 4917 | /* This is special because we want to use a different |
| 4918 | one in restricted mode. */ |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4919 | dispatch_table = PyObject_GetAttr(copy_reg, dispatch_table_str); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4920 | if (!dispatch_table) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4921 | return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4922 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4923 | Py_DECREF(copy_reg); |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4924 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4925 | if (!( empty_tuple = PyTuple_New(0))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4926 | return -1; |
Guido van Rossum | fdde96c | 1997-12-04 01:13:01 +0000 | [diff] [blame] | 4927 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4928 | /* Ugh */ |
| 4929 | if (!( t=PyImport_ImportModule("__builtin__"))) return -1; |
| 4930 | if (PyDict_SetItemString(module_dict, "__builtins__", t) < 0) |
| 4931 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4932 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4933 | if (!( t=PyDict_New())) return -1; |
| 4934 | if (!( r=PyRun_String( |
| 4935 | "def __init__(self, *args): self.args=args\n\n" |
| 4936 | "def __str__(self):\n" |
| 4937 | " return self.args and ('%s' % self.args[0]) or '(what)'\n", |
| 4938 | Py_file_input, |
| 4939 | module_dict, t) )) return -1; |
| 4940 | Py_DECREF(r); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4941 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4942 | PickleError = PyErr_NewException("cPickle.PickleError", NULL, t); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4943 | if (!PickleError) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4944 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4945 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4946 | Py_DECREF(t); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4947 | |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4948 | PicklingError = PyErr_NewException("cPickle.PicklingError", |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4949 | PickleError, NULL); |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4950 | if (!PicklingError) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4951 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4952 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4953 | if (!( t=PyDict_New())) return -1; |
| 4954 | if (!( r=PyRun_String( |
| 4955 | "def __init__(self, *args): self.args=args\n\n" |
| 4956 | "def __str__(self):\n" |
| 4957 | " a=self.args\n" |
| 4958 | " a=a and type(a[0]) or '(what)'\n" |
| 4959 | " return 'Cannot pickle %s objects' % a\n" |
| 4960 | , Py_file_input, |
| 4961 | module_dict, t) )) return -1; |
| 4962 | Py_DECREF(r); |
Tim Peters | 84e87f3 | 2001-03-17 04:50:51 +0000 | [diff] [blame] | 4963 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4964 | if (!( UnpickleableError = PyErr_NewException( |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4965 | "cPickle.UnpickleableError", PicklingError, t))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4966 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4967 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4968 | Py_DECREF(t); |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4969 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4970 | if (!( UnpicklingError = PyErr_NewException("cPickle.UnpicklingError", |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4971 | PickleError, NULL))) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4972 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4973 | |
Martin v. Löwis | 658009a | 2002-09-16 17:26:24 +0000 | [diff] [blame] | 4974 | if (!( BadPickleGet = PyErr_NewException("cPickle.BadPickleGet", |
| 4975 | UnpicklingError, NULL))) |
| 4976 | return -1; |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 4977 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4978 | if (PyDict_SetItemString(module_dict, "PickleError", |
| 4979 | PickleError) < 0) |
| 4980 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4981 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4982 | if (PyDict_SetItemString(module_dict, "PicklingError", |
| 4983 | PicklingError) < 0) |
| 4984 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4985 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4986 | if (PyDict_SetItemString(module_dict, "UnpicklingError", |
| 4987 | UnpicklingError) < 0) |
| 4988 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4989 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4990 | if (PyDict_SetItemString(module_dict, "UnpickleableError", |
| 4991 | UnpickleableError) < 0) |
| 4992 | return -1; |
Guido van Rossum | 60456fd | 1997-04-09 17:36:32 +0000 | [diff] [blame] | 4993 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4994 | if (PyDict_SetItemString(module_dict, "BadPickleGet", |
| 4995 | BadPickleGet) < 0) |
| 4996 | return -1; |
Guido van Rossum | c03158b | 1999-06-09 15:23:31 +0000 | [diff] [blame] | 4997 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 4998 | PycString_IMPORT; |
Guido van Rossum | 053b8df | 1998-11-25 16:18:00 +0000 | [diff] [blame] | 4999 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5000 | return 0; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5001 | } |
| 5002 | |
Mark Hammond | fe51c6d | 2002-08-02 02:27:13 +0000 | [diff] [blame] | 5003 | #ifndef PyMODINIT_FUNC /* declarations for DLL import/export */ |
| 5004 | #define PyMODINIT_FUNC void |
Guido van Rossum | f9ffb03 | 1999-02-04 14:54:04 +0000 | [diff] [blame] | 5005 | #endif |
Mark Hammond | fe51c6d | 2002-08-02 02:27:13 +0000 | [diff] [blame] | 5006 | PyMODINIT_FUNC |
Tim Peters | cba30e2 | 2003-02-01 06:24:36 +0000 | [diff] [blame] | 5007 | initcPickle(void) |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5008 | { |
| 5009 | PyObject *m, *d, *di, *v, *k; |
| 5010 | int i; |
| 5011 | char *rev="1.71"; |
| 5012 | PyObject *format_version; |
| 5013 | PyObject *compatible_formats; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5014 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5015 | Picklertype.ob_type = &PyType_Type; |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5016 | Unpicklertype.ob_type = &PyType_Type; |
| 5017 | PdataType.ob_type = &PyType_Type; |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5018 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5019 | /* Initialize some pieces. We need to do this before module creation, |
| 5020 | so we're forced to use a temporary dictionary. :( |
| 5021 | */ |
| 5022 | di=PyDict_New(); |
| 5023 | if (!di) return; |
| 5024 | if (init_stuff(di) < 0) return; |
Guido van Rossum | ebba420 | 2000-09-07 14:35:37 +0000 | [diff] [blame] | 5025 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5026 | /* Create the module and add the functions */ |
| 5027 | m = Py_InitModule4("cPickle", cPickle_methods, |
| 5028 | cPickle_module_documentation, |
| 5029 | (PyObject*)NULL,PYTHON_API_VERSION); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5030 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5031 | /* Add some symbolic constants to the module */ |
| 5032 | d = PyModule_GetDict(m); |
| 5033 | PyDict_SetItemString(d,"__version__", v = PyString_FromString(rev)); |
| 5034 | Py_XDECREF(v); |
Barry Warsaw | 93d29b6 | 1997-01-14 17:45:08 +0000 | [diff] [blame] | 5035 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5036 | /* Copy data from di. Waaa. */ |
| 5037 | for (i=0; PyDict_Next(di, &i, &k, &v); ) { |
| 5038 | if (PyObject_SetItem(d, k, v) < 0) { |
| 5039 | Py_DECREF(di); |
| 5040 | return; |
| 5041 | } |
| 5042 | } |
| 5043 | Py_DECREF(di); |
Guido van Rossum | ebba420 | 2000-09-07 14:35:37 +0000 | [diff] [blame] | 5044 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5045 | format_version = PyString_FromString("1.3"); |
| 5046 | compatible_formats = Py_BuildValue("[sss]", "1.0", "1.1", "1.2"); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5047 | |
Martin v. Löwis | 2f6ef4c | 2002-04-01 17:40:08 +0000 | [diff] [blame] | 5048 | PyDict_SetItemString(d, "format_version", format_version); |
| 5049 | PyDict_SetItemString(d, "compatible_formats", compatible_formats); |
| 5050 | Py_XDECREF(format_version); |
| 5051 | Py_XDECREF(compatible_formats); |
Guido van Rossum | 2f4caa4 | 1997-01-06 22:59:08 +0000 | [diff] [blame] | 5052 | } |