Repository navigation
Expand file tree
/
Copy pathExtensionTypes.c
More file actions
1199 lines (1041 loc) · 43.4 KB
/
Copy pathExtensionTypes.c
File metadata and controls
1199 lines (1041 loc) · 43.4 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/////////////// ValidateBasesTuple.proto ///////////////
#if CYTHON_COMPILING_IN_CPYTHON || CYTHON_COMPILING_IN_LIMITED_API || CYTHON_USE_TYPE_SPECS
static int __Pyx_validate_bases_tuple(const char *type_name, int has_dictoffset, PyObject *bases); /*proto*/
#endif
/////////////// ValidateBasesTuple ///////////////
//@requires: GetTypeDictOffset
//@requires: ObjectHandling.c::RaiseErrorWithObjectType
//@requires: ObjectHandling.c::RaiseErrorWithObjectType1
#if CYTHON_COMPILING_IN_CPYTHON || CYTHON_COMPILING_IN_LIMITED_API || CYTHON_USE_TYPE_SPECS
static int __Pyx_validate_bases_tuple(const char *type_name, int has_dictoffset, PyObject *bases) {
// Loop over all bases (except the first) and check that those
// really are heap types. Otherwise, it would not be safe to
// subclass them.
//
// We also check tp_dictoffset: it is unsafe to inherit
// tp_dictoffset from a base class because the object structures
// would not be compatible. So, if our extension type doesn't set
// tp_dictoffset (i.e. there is no __dict__ attribute in the object
// structure), we need to check that none of the base classes sets
// it either.
Py_ssize_t i, n;
#if CYTHON_ASSUME_SAFE_SIZE
n = PyTuple_GET_SIZE(bases);
#else
n = PyTuple_Size(bases);
if (unlikely(n < 0)) return -1;
#endif
if (!has_dictoffset) {
// maybe one of the direct first bases does
PyObject *b;
#if CYTHON_AVOID_BORROWED_REFS
b = PySequence_GetItem(bases, 0);
if (!b) return -1;
#elif CYTHON_ASSUME_SAFE_MACROS
b = PyTuple_GET_ITEM(bases, 0);
#else
b = PyTuple_GetItem(bases, 0);
if (!b) return -1;
#endif
#if CYTHON_USE_TYPE_SLOTS
has_dictoffset = ((PyTypeObject*)b)->tp_dictoffset != 0;
#else
Py_ssize_t dictoffset = __Pyx_GetTypeDictOffset(b, 0);
has_dictoffset = dictoffset != 0;
#endif
#if CYTHON_AVOID_BORROWED_REFS
Py_DECREF(b);
#endif
#if !CYTHON_USE_TYPE_SLOTS
if (dictoffset == -1 && PyErr_Occurred()) return -1;
#endif
}
for (i = 1; i < n; i++) /* Skip first base */
{
PyTypeObject *b;
#if CYTHON_AVOID_BORROWED_REFS
PyObject *b0 = PySequence_GetItem(bases, i);
if (!b0) return -1;
#elif CYTHON_ASSUME_SAFE_MACROS
PyObject *b0 = PyTuple_GET_ITEM(bases, i);
#else
PyObject *b0 = PyTuple_GetItem(bases, i);
if (!b0) return -1;
#endif
b = (PyTypeObject*) b0;
if (!__Pyx_PyType_HasFeature(b, Py_TPFLAGS_HEAPTYPE))
{
__Pyx_RaiseErrorWithType(
PyExc_TypeError, "base class '" __Pyx_FMT_TYPENAME "' is not a heap type", b);
#if CYTHON_AVOID_BORROWED_REFS
Py_DECREF(b0);
#endif
return -1;
}
if (!has_dictoffset)
{
Py_ssize_t b_dictoffset = 0;
#if CYTHON_USE_TYPE_SLOTS
b_dictoffset = b->tp_dictoffset;
#else
b_dictoffset = __Pyx_GetTypeDictOffset((PyObject*)b, 0);
if (b_dictoffset == -1 && PyErr_Occurred()) goto dictoffset_return;
#endif
if (b_dictoffset) {
__Pyx_RaiseErrorWithType1(
PyExc_TypeError,
"extension type '%.200s' has no __dict__ slot, "
"but base type '" __Pyx_FMT_TYPENAME "' has: "
"either add 'cdef dict __dict__' to the extension type "
"or add '__slots__ = [...]' to the base type",
type_name, b);
#if !CYTHON_USE_TYPE_SLOTS
dictoffset_return:
#endif
#if CYTHON_AVOID_BORROWED_REFS
Py_DECREF(b0);
#endif
return -1;
}
}
#if CYTHON_AVOID_BORROWED_REFS
Py_DECREF(b0);
#endif
}
return 0;
}
#endif
/////////////// PyType_Ready.export ///////////////
// unused when using type specs
CYTHON_UNUSED static int __Pyx_PyType_Ready(PyTypeObject *t);/*proto*/
/////////////// PyType_Ready ///////////////
//@requires: ObjectHandling.c::PyObjectCallMethod0
//@requires: ValidateBasesTuple
CYTHON_UNUSED static int __Pyx_PyType_HasMultipleInheritance(PyTypeObject *t) {
while (t) {
PyObject *bases = __Pyx_PyType_GetSlot(t, tp_bases, PyObject*);
if (bases) {
return 1;
}
t = __Pyx_PyType_GetSlot(t, tp_base, PyTypeObject*);
}
return 0;
}
// Wrapper around PyType_Ready() with some runtime checks and fixes
// to deal with multiple inheritance.
static int __Pyx_PyType_Ready(PyTypeObject *t) {
#if CYTHON_USE_TYPE_SPECS || !CYTHON_COMPILING_IN_CPYTHON
// avoid C warning about unused helper function
(void)&__Pyx_PyObject_CallMethod0;
#if CYTHON_USE_TYPE_SPECS
(void)&__Pyx_validate_bases_tuple;
#endif
return PyType_Ready(t);
#else
int r;
if (!__Pyx_PyType_HasMultipleInheritance(t)) {
// shortcut - if none of the base classes do multiple inheritance then we don't need to
// (and shouldn't) mess around with faking heaptypes.
return PyType_Ready(t);
}
PyObject *bases = __Pyx_PyType_GetSlot(t, tp_bases, PyObject*);
if (bases && unlikely(__Pyx_validate_bases_tuple(t->tp_name, t->tp_dictoffset != 0, bases) == -1))
return -1;
{
// Make sure GC does not pick up our non-heap type as heap type with this hack!
// For details, see https://github.com/cython/cython/issues/3603
int gc_was_enabled;
#if PY_VERSION_HEX >= 0x030A00b1
// finally added in Py3.10 :)
gc_was_enabled = PyGC_Disable();
(void)&__Pyx_PyObject_CallMethod0;
#else
// Call gc.disable() as a backwards compatible fallback, but only if needed.
PyObject *ret, *py_status;
PyObject *gc = NULL;
#if (!CYTHON_COMPILING_IN_PYPY || PYPY_VERSION_NUM+0 >= 0x07030400) && \
!CYTHON_COMPILING_IN_GRAAL
// https://foss.heptapod.net/pypy/pypy/-/issues/3385
gc = PyImport_GetModule(PYUNICODE("gc"));
#endif
if (unlikely(!gc)) gc = PyImport_Import(PYUNICODE("gc"));
if (unlikely(!gc)) return -1;
py_status = __Pyx_PyObject_CallMethod0(gc, PYUNICODE("isenabled"));
if (unlikely(!py_status)) {
Py_DECREF(gc);
return -1;
}
gc_was_enabled = __Pyx_PyObject_IsTrue(py_status);
Py_DECREF(py_status);
if (gc_was_enabled > 0) {
ret = __Pyx_PyObject_CallMethod0(gc, PYUNICODE("disable"));
if (unlikely(!ret)) {
Py_DECREF(gc);
return -1;
}
Py_DECREF(ret);
} else if (unlikely(gc_was_enabled == -1)) {
Py_DECREF(gc);
return -1;
}
#endif
// As of https://github.com/python/cpython/issues/66277
// PyType_Ready enforces that all bases of a non-heap type are
// non-heap. We know that this is the case for the solid base but
// other bases are heap allocated and are kept alive through the
// tp_bases reference.
// Other than this check, the Py_TPFLAGS_HEAPTYPE flag is unused
// in PyType_Ready().
t->tp_flags |= Py_TPFLAGS_HEAPTYPE;
#if PY_VERSION_HEX >= 0x030A0000
// As of https://github.com/python/cpython/pull/25520
// PyType_Ready marks types as immutable if they are static types
// and requires the Py_TPFLAGS_IMMUTABLETYPE flag to mark types as
// immutable
// Manually set the Py_TPFLAGS_IMMUTABLETYPE flag, since the type
// is immutable
t->tp_flags |= Py_TPFLAGS_IMMUTABLETYPE;
#endif
r = PyType_Ready(t);
t->tp_flags &= ~Py_TPFLAGS_HEAPTYPE;
#if PY_VERSION_HEX >= 0x030A00b1
if (gc_was_enabled)
PyGC_Enable();
#else
if (gc_was_enabled) {
PyObject *tp, *v, *tb;
PyErr_Fetch(&tp, &v, &tb);
ret = __Pyx_PyObject_CallMethod0(gc, PYUNICODE("enable"));
if (likely(ret || r == -1)) {
Py_XDECREF(ret);
// do not overwrite exceptions raised by PyType_Ready() above
PyErr_Restore(tp, v, tb);
} else {
// PyType_Ready() succeeded, but gc.enable() failed.
Py_XDECREF(tp);
Py_XDECREF(v);
Py_XDECREF(tb);
r = -1;
}
}
Py_DECREF(gc);
#endif
}
return r;
#endif
}
/////////////// PyTrashcan.proto ///////////////
// These macros are taken from https://github.com/python/cpython/pull/11841
// Unlike the Py_TRASHCAN_SAFE_BEGIN/Py_TRASHCAN_SAFE_END macros, they
// allow dealing correctly with subclasses.
#if CYTHON_COMPILING_IN_CPYTHON
// https://github.com/python/cpython/pull/11841 merged so Cython reimplementation
// is no longer necessary
#define __Pyx_TRASHCAN_BEGIN Py_TRASHCAN_BEGIN
#define __Pyx_TRASHCAN_END Py_TRASHCAN_END
#elif CYTHON_COMPILING_IN_CPYTHON
#define __Pyx_TRASHCAN_BEGIN_CONDITION(op, cond) \
do { \
PyThreadState *_tstate = NULL; \
// If "cond" is false, then _tstate remains NULL and the deallocator
// is run normally without involving the trashcan
if (cond) { \
_tstate = PyThreadState_GET(); \
if (_tstate->trash_delete_nesting >= PyTrash_UNWIND_LEVEL) { \
// Store the object (to be deallocated later) and jump past
// Py_TRASHCAN_END, skipping the body of the deallocator
_PyTrash_thread_deposit_object((PyObject*)(op)); \
break; \
} \
++_tstate->trash_delete_nesting; \
}
// The body of the deallocator is here.
#define __Pyx_TRASHCAN_END \
if (_tstate) { \
--_tstate->trash_delete_nesting; \
if (_tstate->trash_delete_later && _tstate->trash_delete_nesting <= 0) \
_PyTrash_thread_destroy_chain(); \
} \
} while (0);
#define __Pyx_TRASHCAN_BEGIN(op, dealloc) __Pyx_TRASHCAN_BEGIN_CONDITION(op, \
__Pyx_PyObject_GetSlot(op, tp_dealloc, destructor) == (destructor)(dealloc))
#else
// The trashcan is a no-op on other Python implementations
// or old CPython versions
#define __Pyx_TRASHCAN_BEGIN(op, dealloc)
#define __Pyx_TRASHCAN_END
#endif
/////////////// DeallocKeepAlive.proto ///////////////
// Keep `o` alive across a call into user __dealloc__ code, to prevent the user
// code from triggering recursive deallocation, then drop the temporary reference.
//
// On the GIL build this is a plain refcount bump. On free-threading we must NOT
// use Py_SET_REFCNT(o, 1): the object reaching tp_dealloc is unowned and merged
// (ob_ref_shared == _Py_REF_MERGED), so Py_SET_REFCNT takes the unowned branch and
// writes ob_ref_shared = _Py_REF_SHARED(1, _Py_REF_MERGED), i.e. "merged, shared
// count 1" -- indistinguishable from a live object. A concurrent
// PyUnstable_TryIncRef() would then succeed and resurrect the dying object
// (use-after-free). Instead we mirror CPython's _PyObject_ResurrectStart/End:
// re-take ownership and keep the *shared* refcount at the refuse sentinel (0), so
// the bump is invisible to other threads and TryIncRef keeps refusing.
#if CYTHON_COMPILING_IN_CPYTHON_FREETHREADING
#define __Pyx_DeallocKeepAliveBegin(o) do { \
_Py_atomic_store_uintptr_relaxed(&(o)->ob_tid, _Py_ThreadId()); \
_Py_atomic_store_uint32_relaxed(&(o)->ob_ref_local, 1); \
_Py_atomic_store_ssize_relaxed(&(o)->ob_ref_shared, 0); \
} while (0)
#define __Pyx_DeallocKeepAliveEnd(o) \
_Py_atomic_store_uint32_relaxed(&(o)->ob_ref_local, 0)
#else
#define __Pyx_DeallocKeepAliveBegin(o) Py_SET_REFCNT(o, Py_REFCNT(o) + 1)
#define __Pyx_DeallocKeepAliveEnd(o) Py_SET_REFCNT(o, Py_REFCNT(o) - 1)
#endif
/////////////// CallNextTpDealloc.proto ///////////////
static void __Pyx_call_next_tp_dealloc(PyObject* obj, destructor current_tp_dealloc);
/////////////// CallNextTpDealloc ///////////////
static void __Pyx_call_next_tp_dealloc(PyObject* obj, destructor current_tp_dealloc) {
PyTypeObject* type = Py_TYPE(obj);
destructor tp_dealloc = NULL;
/* try to find the first parent type that has a different tp_dealloc() function */
while (type && __Pyx_PyType_GetSlot(type, tp_dealloc, destructor) != current_tp_dealloc)
type = __Pyx_PyType_GetSlot(type, tp_base, PyTypeObject*);
while (type && (tp_dealloc = __Pyx_PyType_GetSlot(type, tp_dealloc, destructor)) == current_tp_dealloc)
type = __Pyx_PyType_GetSlot(type, tp_base, PyTypeObject*);
if (type)
tp_dealloc(obj);
}
/////////////// CallNextTpTraverse.proto ///////////////
static int __Pyx_call_next_tp_traverse(PyObject* obj, visitproc v, void *a, traverseproc current_tp_traverse);
/////////////// CallNextTpTraverse ///////////////
static int __Pyx_call_next_tp_traverse(PyObject* obj, visitproc v, void *a, traverseproc current_tp_traverse) {
PyTypeObject* type = Py_TYPE(obj);
traverseproc tp_traverse = NULL;
/* try to find the first parent type that has a different tp_traverse() function */
while (type && __Pyx_PyType_GetSlot(type, tp_traverse, traverseproc) != current_tp_traverse)
type = __Pyx_PyType_GetSlot(type, tp_base, PyTypeObject*);
while (type && (tp_traverse = __Pyx_PyType_GetSlot(type, tp_traverse, traverseproc)) == current_tp_traverse)
type = __Pyx_PyType_GetSlot(type, tp_base, PyTypeObject*);
if (type && tp_traverse)
return tp_traverse(obj, v, a);
// FIXME: really ignore?
return 0;
}
/////////////// CallNextTpClear.proto ///////////////
static void __Pyx_call_next_tp_clear(PyObject* obj, inquiry current_tp_clear);
/////////////// CallNextTpClear ///////////////
static void __Pyx_call_next_tp_clear(PyObject* obj, inquiry current_tp_clear) {
PyTypeObject* type = Py_TYPE(obj);
inquiry tp_clear = NULL;
/* try to find the first parent type that has a different tp_clear() function */
while (type && __Pyx_PyType_GetSlot(type, tp_clear, inquiry) != current_tp_clear)
type = __Pyx_PyType_GetSlot(type, tp_base, PyTypeObject*);
while (type && (tp_clear = __Pyx_PyType_GetSlot(type, tp_clear, inquiry)) == current_tp_clear)
type = __Pyx_PyType_GetSlot(type, tp_base, PyTypeObject*);
if (type && tp_clear)
tp_clear(obj);
}
/////////////// SetupReduce.export ///////////////
//@feature: AutoPickle
static int __Pyx_setup_reduce(PyObject* type_obj);
/////////////// SetupReduce ///////////////
//@requires: ObjectHandling.c::PyObjectGetAttrStrNoError
//@requires: ObjectHandling.c::PyObjectGetAttrStr
//@requires: ObjectHandling.c::RaiseErrorWithObjectType
//@requires: Exceptions.c::IgnoreException
//@requires: SetItemOnTypeDict
//@requires: DelItemOnTypeDict
static int __Pyx_setup_reduce_is_named(PyObject* meth, PyObject* name) {
int ret;
PyObject *name_attr;
name_attr = __Pyx_PyObject_GetAttrStrNoError(meth, PYIDENT("__name__"));
if (likely(name_attr)) {
ret = PyObject_RichCompareBool(name_attr, name, Py_EQ);
} else {
ret = -1;
}
if (unlikely(ret < 0) && __Pyx_IgnoreException(PyExc_Exception)) {
ret = 0; // But BaseException is still propagated.
}
Py_XDECREF(name_attr);
return ret;
}
// Returns a borrowed reference with CYTHON_USE_PYTYPE_LOOKUP
static PyObject *__Pyx_setup_reduce_get_reduce_attribute(PyObject *type_obj, PyObject *name, int allow_not_present) {
#if CYTHON_USE_PYTYPE_LOOKUP
CYTHON_UNUSED_VAR(allow_not_present);
return _PyType_Lookup((PyTypeObject*)type_obj, name);
#else
if (allow_not_present) {
return __Pyx_PyObject_GetAttrStrNoError(type_obj, name);
} else {
return __Pyx_PyObject_GetAttrStr(type_obj, name);
}
#endif
}
static int __Pyx_setup_reduce(PyObject* type_obj) {
int ret = 0;
PyObject *object_reduce = NULL;
PyObject *object_getstate = NULL;
PyObject *object_reduce_ex = NULL;
PyObject *reduce = NULL;
PyObject *reduce_ex = NULL;
PyObject *reduce_cython = NULL;
PyObject *setstate = NULL;
PyObject *setstate_cython = NULL;
PyObject *getstate = NULL;
getstate = __Pyx_setup_reduce_get_reduce_attribute(type_obj, PYIDENT("__getstate__"), 1);
if (!getstate && PyErr_Occurred()) {
goto __PYX_BAD;
}
if (getstate) {
// Python 3.11 introduces object.__getstate__. Because it's version-specific failure to find it should not be an error
object_getstate = __Pyx_setup_reduce_get_reduce_attribute((PyObject*)&PyBaseObject_Type, PYIDENT("__getstate__"), 1);
if (!object_getstate && PyErr_Occurred()) {
goto __PYX_BAD;
}
if (object_getstate != getstate) {
goto __PYX_GOOD;
}
}
object_reduce_ex = __Pyx_setup_reduce_get_reduce_attribute((PyObject*)&PyBaseObject_Type, PYIDENT("__reduce_ex__"), 0);
if (unlikely(!object_reduce_ex)) goto __PYX_BAD;
reduce_ex = __Pyx_PyObject_GetAttrStr(type_obj, PYIDENT("__reduce_ex__")); if (unlikely(!reduce_ex)) goto __PYX_BAD;
if (reduce_ex == object_reduce_ex) {
object_reduce = __Pyx_setup_reduce_get_reduce_attribute((PyObject*)&PyBaseObject_Type, PYIDENT("__reduce__"), 0);
if (!object_reduce) goto __PYX_BAD;
reduce = __Pyx_PyObject_GetAttrStr(type_obj, PYIDENT("__reduce__")); if (unlikely(!reduce)) goto __PYX_BAD;
int try_to_replace_reduce = (reduce == object_reduce);
if (!try_to_replace_reduce) {
try_to_replace_reduce = __Pyx_setup_reduce_is_named(reduce, PYIDENT("__reduce_cython__"));
if (unlikely(try_to_replace_reduce < 0)) {
goto __PYX_BAD;
}
}
if (try_to_replace_reduce) {
reduce_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, PYIDENT("__reduce_cython__"));
if (likely(reduce_cython)) {
ret = __Pyx_SetItemOnTypeDict((PyTypeObject*)type_obj, PYIDENT("__reduce__"), reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
ret = __Pyx_DelItemOnTypeDict((PyTypeObject*)type_obj, PYIDENT("__reduce_cython__")); if (unlikely(ret < 0)) goto __PYX_BAD;
} else if (reduce == object_reduce || PyErr_Occurred()) {
// Ignore if we're done, i.e. if 'reduce' already has the right name and the original is gone.
// Otherwise: error.
goto __PYX_BAD;
}
setstate = __Pyx_PyObject_GetAttrStrNoError(type_obj, PYIDENT("__setstate__"));
int try_to_replace_setstate;
if (!setstate) {
PyObject *exc = PyErr_Occurred();
if (exc && !__Pyx_IgnoreGivenException(exc, PyExc_Exception)) {
goto __PYX_BAD;
}
try_to_replace_setstate = 1;
} else {
try_to_replace_setstate = __Pyx_setup_reduce_is_named(setstate, PYIDENT("__setstate_cython__"));
if (unlikely(try_to_replace_setstate < 0)) {
goto __PYX_BAD;
}
}
if (try_to_replace_setstate) {
setstate_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, PYIDENT("__setstate_cython__"));
if (likely(setstate_cython)) {
ret = __Pyx_SetItemOnTypeDict((PyTypeObject*)type_obj, PYIDENT("__setstate__"), setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
ret = __Pyx_DelItemOnTypeDict((PyTypeObject*)type_obj, PYIDENT("__setstate_cython__")); if (unlikely(ret < 0)) goto __PYX_BAD;
} else if (!setstate || PyErr_Occurred()) {
// Ignore if we're done, i.e. if 'setstate' already has the right name and the original is gone.
// Otherwise: error.
goto __PYX_BAD;
}
}
PyType_Modified((PyTypeObject*)type_obj);
}
}
goto __PYX_GOOD;
__PYX_BAD:
if (!PyErr_Occurred()) {
__Pyx_RaiseErrorWithType(
PyExc_RuntimeError,
"Unable to initialize pickling for " __Pyx_FMT_TYPENAME,
(PyTypeObject*)type_obj);
}
ret = -1;
__PYX_GOOD:
#if !CYTHON_USE_PYTYPE_LOOKUP
Py_XDECREF(object_reduce);
Py_XDECREF(object_reduce_ex);
Py_XDECREF(object_getstate);
Py_XDECREF(getstate);
#endif
Py_XDECREF(reduce);
Py_XDECREF(reduce_ex);
Py_XDECREF(reduce_cython);
Py_XDECREF(setstate);
Py_XDECREF(setstate_cython);
return ret;
}
/////////////// CheckUnpickleChecksum.proto ///////////////
static CYTHON_INLINE int __Pyx_CheckUnpickleChecksum(long checksum, long checksum1, long checksum2, long checksum3, const char *members); /*proto*/
/////////////// CheckUnpickleChecksum ///////////////
//@requires: CheckUnpickleChecksumError
static int __Pyx_CheckUnpickleChecksum(long checksum, long checksum1, long checksum2, long checksum3, const char *members) {
int found = 0;
found |= checksum1 == checksum;
found |= checksum2 == checksum;
found |= checksum3 == checksum;
if (likely(found))
return 0;
__Pyx_RaiseUnpickleChecksumError(checksum, checksum1, checksum2, checksum3, members);
return -1;
}
/////////////// CheckUnpickleChecksumError.export ///////////////
//@feature: AutoPickle
static void __Pyx_RaiseUnpickleChecksumError(long checksum, long checksum1, long checksum2, long checksum3, const char *members); /*proto*/
/////////////// CheckUnpickleChecksumError ///////////////
static void __Pyx_RaiseUnpickleChecksumError(long checksum, long checksum1, long checksum2, long checksum3, const char *members) {
// This function always raises some kind of error, either the expected one or a different one.
PyObject *pickle_module = PyImport_ImportModule("pickle");
if (unlikely(!pickle_module)) return;
PyObject *pickle_error = PyObject_GetAttrString(pickle_module, "PickleError");
Py_DECREF(pickle_module);
if (unlikely(!pickle_error)) return;
if (checksum2 == checksum1) {
PyErr_Format(pickle_error, "Incompatible checksums (0x%x vs (0x%x) = (%s))",
checksum, checksum1, members);
} else if (checksum3 == checksum2) {
PyErr_Format(pickle_error, "Incompatible checksums (0x%x vs (0x%x, 0x%x) = (%s))",
checksum, checksum1, checksum2, members);
} else {
PyErr_Format(pickle_error, "Incompatible checksums (0x%x vs (0x%x, 0x%x, 0x%x) = (%s))",
checksum, checksum1, checksum2, checksum3, members);
}
Py_DECREF(pickle_error);
}
/////////////// UpdateUnpickledDict.export ///////////////
//@feature: AutoPickle
static int __Pyx_UpdateUnpickledDict(PyObject *obj, PyObject *state, Py_ssize_t index); /*proto*/
/////////////// UpdateUnpickledDict ///////////////
//@requires: ObjectHandling.c::PyObjectCallMethod1
static int __Pyx__UpdateUnpickledDict(PyObject *obj, PyObject *state, Py_ssize_t index) {
PyObject *state_dict = __Pyx_PySequence_ITEM(state, index);
if (unlikely(!state_dict)) {
return -1;
}
int non_empty = PyObject_IsTrue(state_dict);
if (non_empty == 0) {
// Nothing to do.
Py_DECREF(state_dict);
return 0;
} else if (unlikely(non_empty == -1)) {
return -1;
}
// Since we received a non-empty dict from pickling,
// we assume that we're unpickling an object that has one, too.
PyObject *dict;
#if CYTHON_COMPILING_IN_LIMITED_API && __PYX_LIMITED_VERSION_HEX < 0x030A0000
dict = PyObject_GetAttrString(obj, "__dict__");
#else
dict = PyObject_GenericGetDict(obj, NULL);
#endif
if (unlikely(!dict)) {
// It is debatable if it is a fatal error if we cannot reassign the state of the dict because
// the unpickled object does not have a '__dict__'. But the user should probably know.
Py_DECREF(state_dict);
return -1;
}
int result;
if (likely(PyDict_CheckExact(dict))) {
result = PyDict_Update(dict, state_dict);
} else {
PyObject *obj_result = __Pyx_PyObject_CallMethod1(dict, PYIDENT("update"), state_dict);
if (likely(obj_result)) {
Py_DECREF(obj_result);
result = 0;
} else {
result = -1;
}
}
Py_DECREF(state_dict);
Py_DECREF(dict);
return result;
}
static int __Pyx_UpdateUnpickledDict(PyObject *obj, PyObject *state, Py_ssize_t index) {
Py_ssize_t state_size = __Pyx_PyTuple_GET_SIZE(state);
#if !CYTHON_ASSUME_SAFE_SIZE
if (unlikely(state_size == -1)) return -1;
#endif
if (state_size <= index) {
// No dict from pickling.
return 0;
}
return __Pyx__UpdateUnpickledDict(obj, state, index);
}
/////////////// BinopSlot ///////////////
//@requires: ModuleSetupCode.c::FastTypeChecks
static CYTHON_INLINE PyObject *{{func_name}}_maybe_call_slot(PyTypeObject* type, PyObject *left, PyObject *right {{extra_arg_decl}}) {
{{slot_type}} slot;
#if CYTHON_USE_TYPE_SLOTS
slot = type->tp_as_number ? type->tp_as_number->{{slot_name}} : NULL;
#else
slot = ({{slot_type}}) PyType_GetSlot(type, Py_{{slot_name}});
#endif
return slot ? slot(left, right {{extra_arg}}) : __Pyx_NewRef(Py_NotImplemented);
}
static PyObject *{{func_name}}(PyObject *left, PyObject *right {{extra_arg_decl}}) {
int maybe_self_is_left, maybe_self_is_right = 0;
maybe_self_is_left = Py_TYPE(left) == Py_TYPE(right)
#if CYTHON_USE_TYPE_SLOTS
|| (Py_TYPE(left)->tp_as_number && Py_TYPE(left)->tp_as_number->{{slot_name}} == &{{func_name}})
#endif
|| __Pyx_TypeCheck(left, {{type_cname}});
// Optimize for the common case where the left operation is defined (and successful).
{{if not overloads_left}}
maybe_self_is_right = Py_TYPE(left) == Py_TYPE(right)
#if CYTHON_USE_TYPE_SLOTS
|| (Py_TYPE(right)->tp_as_number && Py_TYPE(right)->tp_as_number->{{slot_name}} == &{{func_name}})
#endif
|| __Pyx_TypeCheck(right, {{type_cname}});
{{endif}}
if (maybe_self_is_left) {
PyObject *res;
{{if overloads_right and not overloads_left}}
if (maybe_self_is_right) {
res = {{call_right}};
if (res != Py_NotImplemented) return res;
Py_DECREF(res);
// Don't bother calling it again.
maybe_self_is_right = 0;
}
{{endif}}
res = {{call_left}};
if (res != Py_NotImplemented) return res;
Py_DECREF(res);
}
{{if overloads_left}}
maybe_self_is_right = Py_TYPE(left) == Py_TYPE(right)
#if CYTHON_USE_TYPE_SLOTS
|| (Py_TYPE(right)->tp_as_number && Py_TYPE(right)->tp_as_number->{{slot_name}} == &{{func_name}})
#endif
|| PyType_IsSubtype(Py_TYPE(right), {{type_cname}});
{{endif}}
if (maybe_self_is_right) {
return {{call_right}};
}
return __Pyx_NewRef(Py_NotImplemented);
}
/////////////// ValidateExternBase.export ///////////////
static int __Pyx_validate_extern_base(PyTypeObject *base); /* proto */
/////////////// ValidateExternBase ///////////////
//@requires: ObjectHandling.c::FormatTypeName
//@requires: ObjectHandling.c::RaiseErrorWithObjectType
static int __Pyx_validate_extern_base(PyTypeObject *base) {
Py_ssize_t itemsize;
#if CYTHON_COMPILING_IN_LIMITED_API
PyObject *py_itemsize;
#endif
#if !CYTHON_COMPILING_IN_LIMITED_API
itemsize = ((PyTypeObject *)base)->tp_itemsize;
#else
py_itemsize = PyObject_GetAttrString((PyObject*)base, "__itemsize__");
if (!py_itemsize)
return -1;
itemsize = PyLong_AsSsize_t(py_itemsize);
Py_DECREF(py_itemsize);
py_itemsize = 0;
if (itemsize == (Py_ssize_t)-1 && PyErr_Occurred())
return -1;
#endif
if (itemsize) {
__Pyx_RaiseErrorWithType(
PyExc_TypeError,
"inheritance from PyVarObject types like '" __Pyx_FMT_TYPENAME "' not currently supported", base);
return -1;
}
return 0;
}
/////////////// CallTypeTraverse.proto /////////////////////
#if !CYTHON_USE_TYPE_SPECS
// Without type specs, we're never responsible for this.
#define __Pyx_call_type_traverse(o, always_call, visit, arg) 0
#else
static int __Pyx_call_type_traverse(PyObject *o, int always_call, visitproc visit, void *arg); /* proto */
#endif
/////////////// CallTypeTraverse ////////////////////////////
#if !CYTHON_USE_TYPE_SPECS
// nothing to do
#else
static int __Pyx_call_type_traverse(PyObject *o, int always_call, visitproc visit, void *arg) {
if (!always_call) {
// Written with reference to https://docs.python.org/3/howto/isolating-extensions.html
PyTypeObject *base = __Pyx_PyObject_GetSlot(o, tp_base, PyTypeObject*);
unsigned long flags = PyType_GetFlags(base);
if (flags & Py_TPFLAGS_HEAPTYPE) {
// The base class should have handled it
return 0;
}
}
Py_VISIT((PyObject*)Py_TYPE(o));
return 0;
}
#endif
////////////////// GetTypeDictOffset.proto ////////////////
#if !CYTHON_USE_TYPE_SLOTS
CYTHON_UNUSED static Py_ssize_t __Pyx_GetTypeDictOffset(PyObject *tp, int require_cython_valid_result);
#endif
////////////////// GetTypeDictOffset //////////////////////
#if !CYTHON_USE_TYPE_SLOTS
CYTHON_UNUSED static Py_ssize_t __Pyx_GetTypeDictOffset(PyObject *tp, int require_cython_valid_result) {
PyObject *tp_dictoffset_o;
Py_ssize_t tp_dictoffset;
tp_dictoffset_o = PyObject_GetAttrString(tp, "__dictoffset__");
if (unlikely(!tp_dictoffset_o)) return -1;
tp_dictoffset = PyLong_AsSsize_t(tp_dictoffset_o);
Py_DECREF(tp_dictoffset_o);
if (unlikely(require_cython_valid_result && tp_dictoffset == 0)) {
PyErr_SetString(
PyExc_TypeError,
"'type' doesn't have a dictoffset");
return -1;
} else if (unlikely(require_cython_valid_result && tp_dictoffset < 0)) {
// This isn't completely future proof. dictoffset can be
// negative, but isn't in Python <=3.13 (current at time
// of writing). It's awkward to calculate in the limited
// API because we need to know the object size. For now
// just raise an error and fix it if it every changes.
PyErr_SetString(
PyExc_TypeError,
"'type' has an unexpected negative dictoffset. "
"Please report this as Cython bug");
return -1;
}
return tp_dictoffset;
}
#endif
////////////////// LimitedApiGetTypeTypeDict.proto //////////////////////
#if CYTHON_COMPILING_IN_LIMITED_API
// This is a little hacky - the Limited API works quite hard to stop us getting
// the dict of a type object. But apparently not hard enough...
//
// In future we should prefer to work with mutable types, and then make them immutable
// once we're done (pending C API support for this).
static PyObject *__Pyx_GetTypeTypeDict(PyTypeObject *tp); /* proto */
#endif
////////////////// LimitedApiGetTypeTypeDict //////////////////////
//@requires: GetTypeDictOffset
#if CYTHON_COMPILING_IN_LIMITED_API
static PyObject *__Pyx_GetTypeTypeDict(PyTypeObject *tp) {
// TODO - if we ever support custom metatypes for extension types then
// we have to modify this caching.
static Py_ssize_t tp_dictoffset = 0;
if (unlikely(tp_dictoffset == 0)) {
tp_dictoffset = __Pyx_GetTypeDictOffset((PyObject*)(&PyType_Type), 1);
// Note that negative dictoffsets are definitely allowed.
// A dictoffset of -1 seems unlikely but isn't obviously forbidden.
if (unlikely(tp_dictoffset == -1 && PyErr_Occurred())) {
tp_dictoffset = 0; // try again next time?
return NULL;
}
}
return *(PyObject**)((char*)tp + tp_dictoffset);
}
#endif
////////////////// SetItemOnTypeDict.export //////////////////////////
static int __Pyx__SetItemOnTypeDict(PyTypeObject *tp, PyObject *k, PyObject *v); /* proto */
////////////////// SetItemOnTypeDict.proto //////////////////////////
//@requires: LimitedApiGetTypeTypeDict
#define __Pyx_SetItemOnTypeDict(tp, k, v) __Pyx__SetItemOnTypeDict((PyTypeObject*)tp, k, v)
////////////////// SetItemOnTypeDict //////////////////////////
static int __Pyx__SetItemOnTypeDict(PyTypeObject *tp, PyObject *k, PyObject *v) {
int result;
PyObject *tp_dict;
#if CYTHON_COMPILING_IN_LIMITED_API
tp_dict = __Pyx_GetTypeTypeDict(tp);
if (unlikely(!tp_dict)) return -1;
#else
tp_dict = tp->tp_dict;
#endif
result = PyDict_SetItem(tp_dict, k, v);
if (likely(!result)) {
PyType_Modified(tp);
if (unlikely(PyObject_HasAttr(v, PYIDENT("__set_name__")))) {
PyObject *setNameResult = PyObject_CallMethodObjArgs(v, PYIDENT("__set_name__"), (PyObject *) tp, k, NULL);
if (!setNameResult) return -1;
Py_DECREF(setNameResult);
}
}
return result;
}
////////////////// DelItemOnTypeDict.export //////////////////////////
static int __Pyx__DelItemOnTypeDict(PyTypeObject *tp, PyObject *k); /* proto */
////////////////// DelItemOnTypeDict.proto //////////////////////////
#define __Pyx_DelItemOnTypeDict(tp, k) __Pyx__DelItemOnTypeDict((PyTypeObject*)tp, k)
////////////////// DelItemOnTypeDict //////////////////////////
//@requires: LimitedApiGetTypeTypeDict
static int __Pyx__DelItemOnTypeDict(PyTypeObject *tp, PyObject *k) {
int result;
PyObject *tp_dict;
#if CYTHON_COMPILING_IN_LIMITED_API
tp_dict = __Pyx_GetTypeTypeDict(tp);
if (unlikely(!tp_dict)) return -1;
#else
tp_dict = tp->tp_dict;
#endif
result = PyDict_DelItem(tp_dict, k);
if (likely(!result)) PyType_Modified(tp);
return result;
}
////////////////// AllocateExtensionType.proto ///////////////////////
static PyObject *__Pyx_AllocateExtensionType(PyTypeObject *t, int is_final); /* proto */
////////////////// AllocateExtensionType ////////////////////////////
static PyObject *__Pyx_AllocateExtensionType(PyTypeObject *t, int is_final) {
if (is_final || likely(!__Pyx_PyType_HasFeature(t, Py_TPFLAGS_IS_ABSTRACT))) {
allocfunc alloc_func = __Pyx_PyType_GetSlot(t, tp_alloc, allocfunc);
return alloc_func(t, 0);
} else {
// Call PyBaseObject_Type.tp_new. This is is expected to fail, generating an appropriate
// error message about allocating an abstract type.
newfunc tp_new = __Pyx_PyType_TryGetSlot(&PyBaseObject_Type, tp_new, newfunc);
#if CYTHON_COMPILING_IN_LIMITED_API && __PYX_LIMITED_VERSION_HEX < 0x030A0000
if (!tp_new) {
PyObject *new_str = PyUnicode_FromString("__new__");
if (likely(new_str)) {
PyObject *o = PyObject_CallMethodObjArgs((PyObject *)&PyBaseObject_Type, new_str, t, NULL);
Py_DECREF(new_str);
return o;
} else
return NULL;
} else
#endif
return tp_new(t, EMPTY(tuple), 0);
}
}
///////////////////// CheckTypeForFreelists.proto ////////////////////////
#if CYTHON_USE_FREELISTS
#if CYTHON_USE_TYPE_SPECS
// with CYTHON_USE_TYPE_SPECS we can only reasonably use freelists for an exact type match,
// because it isn't easy to look up basicsize is the limited API, and because everything fails the heap-type check.
#define __PYX_CHECK_FINAL_TYPE_FOR_FREELISTS(t, expected_tp, expected_size) ((int) ((t) == (expected_tp)))
#define __PYX_CHECK_TYPE_FOR_FREELIST_FLAGS Py_TPFLAGS_IS_ABSTRACT
#else
#define __PYX_CHECK_FINAL_TYPE_FOR_FREELISTS(t, expected_tp, expected_size) ((int) ((t)->tp_basicsize == (expected_size)))
#define __PYX_CHECK_TYPE_FOR_FREELIST_FLAGS (Py_TPFLAGS_IS_ABSTRACT | Py_TPFLAGS_HEAPTYPE)
#endif
#define __PYX_CHECK_TYPE_FOR_FREELISTS(t, expected_tp, expected_size) \
(__PYX_CHECK_FINAL_TYPE_FOR_FREELISTS((t), (expected_tp), (expected_size)) & \
(int) (!__Pyx_PyType_HasFeature((t), __PYX_CHECK_TYPE_FOR_FREELIST_FLAGS)))
#endif
////////////////// ClearFreelist.proto ///////////////////////
#if CYTHON_USE_FREELISTS
static void __Pyx_ClearFreelist(PyObject **freelist, int *count); /* proto */
#endif
////////////////// ClearFreelist ////////////////////////////
#if CYTHON_USE_FREELISTS
static void __Pyx_ClearFreelist(PyObject **freelist, int *count) {
while (*count > 0) {
PyObject* o = freelist[--*count];
PyTypeObject *tp = Py_TYPE(o);
#if CYTHON_USE_TYPE_SLOTS
(*tp->tp_free)(o);
#else
// Asking for PyType_GetSlot(..., Py_tp_free) seems to cause an error in pypy.
freefunc tp_free = (freefunc) PyType_GetSlot(tp, Py_tp_free);
if (tp_free) tp_free(o);
#endif
#if CYTHON_USE_TYPE_SPECS
// Release the reference that "o" owned for its type.
Py_DECREF(tp);
#endif
}
}
#endif
/////////////////// ApplySequenceOrMappingFlag.proto //////////////////////
#if CYTHON_COMPILING_IN_LIMITED_API || CYTHON_COMPILING_IN_PYPY
int __Pyx_ApplySequenceOrMappingFlag(PyTypeObject *tp, int is_sequence);
#else
// No-op - the type flag is sufficient.
#define __Pyx_ApplySequenceOrMappingFlag(tp, is_sequence) (0)
#endif
/////////////////// ApplySequenceOrMappingFlag //////////////////////
#if CYTHON_COMPILING_IN_LIMITED_API || (CYTHON_COMPILING_IN_PYPY && CYTHON_USE_TYPE_SPECS)