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
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
|
/* Built-in functions */
#include "Python.h"
#include <ctype.h>
#include "ast.h"
#undef Yield /* undefine macro conflicting with <winbase.h> */
#include "pycore_object.h" // _Py_AddToAllObjects()
#include "pycore_pyerrors.h" // _PyErr_NoMemory()
#include "pycore_pystate.h" // _PyThreadState_GET()
#include "pycore_tuple.h" // _PyTuple_FromArray()
_Py_IDENTIFIER(__builtins__);
_Py_IDENTIFIER(__dict__);
_Py_IDENTIFIER(__prepare__);
_Py_IDENTIFIER(__round__);
_Py_IDENTIFIER(__mro_entries__);
_Py_IDENTIFIER(encoding);
_Py_IDENTIFIER(errors);
_Py_IDENTIFIER(fileno);
_Py_IDENTIFIER(flush);
_Py_IDENTIFIER(metaclass);
_Py_IDENTIFIER(sort);
_Py_IDENTIFIER(stdin);
_Py_IDENTIFIER(stdout);
_Py_IDENTIFIER(stderr);
#include "clinic/bltinmodule.c.h"
static PyObject*
update_bases(PyObject *bases, PyObject *const *args, Py_ssize_t nargs)
{
Py_ssize_t i, j;
PyObject *base, *meth, *new_base, *result, *new_bases = NULL;
assert(PyTuple_Check(bases));
for (i = 0; i < nargs; i++) {
base = args[i];
if (PyType_Check(base)) {
if (new_bases) {
/* If we already have made a replacement, then we append every normal base,
otherwise just skip it. */
if (PyList_Append(new_bases, base) < 0) {
goto error;
}
}
continue;
}
if (_PyObject_LookupAttrId(base, &PyId___mro_entries__, &meth) < 0) {
goto error;
}
if (!meth) {
if (new_bases) {
if (PyList_Append(new_bases, base) < 0) {
goto error;
}
}
continue;
}
new_base = PyObject_CallOneArg(meth, bases);
Py_DECREF(meth);
if (!new_base) {
goto error;
}
if (!PyTuple_Check(new_base)) {
PyErr_SetString(PyExc_TypeError,
"__mro_entries__ must return a tuple");
Py_DECREF(new_base);
goto error;
}
if (!new_bases) {
/* If this is a first successful replacement, create new_bases list and
copy previously encountered bases. */
if (!(new_bases = PyList_New(i))) {
goto error;
}
for (j = 0; j < i; j++) {
base = args[j];
PyList_SET_ITEM(new_bases, j, base);
Py_INCREF(base);
}
}
j = PyList_GET_SIZE(new_bases);
if (PyList_SetSlice(new_bases, j, j, new_base) < 0) {
goto error;
}
Py_DECREF(new_base);
}
if (!new_bases) {
return bases;
}
result = PyList_AsTuple(new_bases);
Py_DECREF(new_bases);
return result;
error:
Py_XDECREF(new_bases);
return NULL;
}
/* AC: cannot convert yet, waiting for *args support */
static PyObject *
builtin___build_class__(PyObject *self, PyObject *const *args, Py_ssize_t nargs,
PyObject *kwnames)
{
PyObject *func, *name, *bases, *mkw, *meta, *winner, *prep, *ns, *orig_bases;
PyObject *cls = NULL, *cell = NULL;
int isclass = 0; /* initialize to prevent gcc warning */
if (nargs < 2) {
PyErr_SetString(PyExc_TypeError,
"__build_class__: not enough arguments");
return NULL;
}
func = args[0]; /* Better be callable */
if (!PyFunction_Check(func)) {
PyErr_SetString(PyExc_TypeError,
"__build_class__: func must be a function");
return NULL;
}
name = args[1];
if (!PyUnicode_Check(name)) {
PyErr_SetString(PyExc_TypeError,
"__build_class__: name is not a string");
return NULL;
}
orig_bases = _PyTuple_FromArray(args + 2, nargs - 2);
if (orig_bases == NULL)
return NULL;
bases = update_bases(orig_bases, args + 2, nargs - 2);
if (bases == NULL) {
Py_DECREF(orig_bases);
return NULL;
}
if (kwnames == NULL) {
meta = NULL;
mkw = NULL;
}
else {
mkw = _PyStack_AsDict(args + nargs, kwnames);
if (mkw == NULL) {
Py_DECREF(bases);
return NULL;
}
meta = _PyDict_GetItemIdWithError(mkw, &PyId_metaclass);
if (meta != NULL) {
Py_INCREF(meta);
if (_PyDict_DelItemId(mkw, &PyId_metaclass) < 0) {
Py_DECREF(meta);
Py_DECREF(mkw);
Py_DECREF(bases);
return NULL;
}
/* metaclass is explicitly given, check if it's indeed a class */
isclass = PyType_Check(meta);
}
else if (PyErr_Occurred()) {
Py_DECREF(mkw);
Py_DECREF(bases);
return NULL;
}
}
if (meta == NULL) {
/* if there are no bases, use type: */
if (PyTuple_GET_SIZE(bases) == 0) {
meta = (PyObject *) (&PyType_Type);
}
/* else get the type of the first base */
else {
PyObject *base0 = PyTuple_GET_ITEM(bases, 0);
meta = (PyObject *)Py_TYPE(base0);
}
Py_INCREF(meta);
isclass = 1; /* meta is really a class */
}
if (isclass) {
/* meta is really a class, so check for a more derived
metaclass, or possible metaclass conflicts: */
winner = (PyObject *)_PyType_CalculateMetaclass((PyTypeObject *)meta,
bases);
if (winner == NULL) {
Py_DECREF(meta);
Py_XDECREF(mkw);
Py_DECREF(bases);
return NULL;
}
if (winner != meta) {
Py_DECREF(meta);
meta = winner;
Py_INCREF(meta);
}
}
/* else: meta is not a class, so we cannot do the metaclass
calculation, so we will use the explicitly given object as it is */
if (_PyObject_LookupAttrId(meta, &PyId___prepare__, &prep) < 0) {
ns = NULL;
}
else if (prep == NULL) {
ns = PyDict_New();
}
else {
PyObject *pargs[2] = {name, bases};
ns = PyObject_VectorcallDict(prep, pargs, 2, mkw);
Py_DECREF(prep);
}
if (ns == NULL) {
Py_DECREF(meta);
Py_XDECREF(mkw);
Py_DECREF(bases);
return NULL;
}
if (!PyMapping_Check(ns)) {
PyErr_Format(PyExc_TypeError,
"%.200s.__prepare__() must return a mapping, not %.200s",
isclass ? ((PyTypeObject *)meta)->tp_name : "<metaclass>",
Py_TYPE(ns)->tp_name);
goto error;
}
cell = PyEval_EvalCodeEx(PyFunction_GET_CODE(func), PyFunction_GET_GLOBALS(func), ns,
NULL, 0, NULL, 0, NULL, 0, NULL,
PyFunction_GET_CLOSURE(func));
if (cell != NULL) {
if (bases != orig_bases) {
if (PyMapping_SetItemString(ns, "__orig_bases__", orig_bases) < 0) {
goto error;
}
}
PyObject *margs[3] = {name, bases, ns};
cls = PyObject_VectorcallDict(meta, margs, 3, mkw);
if (cls != NULL && PyType_Check(cls) && PyCell_Check(cell)) {
PyObject *cell_cls = PyCell_GET(cell);
if (cell_cls != cls) {
if (cell_cls == NULL) {
const char *msg =
"__class__ not set defining %.200R as %.200R. "
"Was __classcell__ propagated to type.__new__?";
PyErr_Format(PyExc_RuntimeError, msg, name, cls);
} else {
const char *msg =
"__class__ set to %.200R defining %.200R as %.200R";
PyErr_Format(PyExc_TypeError, msg, cell_cls, name, cls);
}
Py_DECREF(cls);
cls = NULL;
goto error;
}
}
}
error:
Py_XDECREF(cell);
Py_DECREF(ns);
Py_DECREF(meta);
Py_XDECREF(mkw);
Py_DECREF(bases);
if (bases != orig_bases) {
Py_DECREF(orig_bases);
}
return cls;
}
PyDoc_STRVAR(build_class_doc,
"__build_class__(func, name, /, *bases, [metaclass], **kwds) -> class\n\
\n\
Internal helper function used by the class statement.");
static PyObject *
builtin___import__(PyObject *self, PyObject *args, PyObject *kwds)
{
static char *kwlist[] = {"name", "globals", "locals", "fromlist",
"level", 0};
PyObject *name, *globals = NULL, *locals = NULL, *fromlist = NULL;
int level = 0;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "U|OOOi:__import__",
kwlist, &name, &globals, &locals, &fromlist, &level))
return NULL;
return PyImport_ImportModuleLevelObject(name, globals, locals,
fromlist, level);
}
PyDoc_STRVAR(import_doc,
"__import__(name, globals=None, locals=None, fromlist=(), level=0) -> module\n\
\n\
Import a module. Because this function is meant for use by the Python\n\
interpreter and not for general use, it is better to use\n\
importlib.import_module() to programmatically import a module.\n\
\n\
The globals argument is only used to determine the context;\n\
they are not modified. The locals argument is unused. The fromlist\n\
should be a list of names to emulate ``from name import ...'', or an\n\
empty list to emulate ``import name''.\n\
When importing a module from a package, note that __import__('A.B', ...)\n\
returns package A when fromlist is empty, but its submodule B when\n\
fromlist is not empty. The level argument is used to determine whether to\n\
perform absolute or relative imports: 0 is absolute, while a positive number\n\
is the number of parent directories to search relative to the current module.");
/*[clinic input]
abs as builtin_abs
x: object
/
Return the absolute value of the argument.
[clinic start generated code]*/
static PyObject *
builtin_abs(PyObject *module, PyObject *x)
/*[clinic end generated code: output=b1b433b9e51356f5 input=bed4ca14e29c20d1]*/
{
return PyNumber_Absolute(x);
}
/*[clinic input]
all as builtin_all
iterable: object
/
Return True if bool(x) is True for all values x in the iterable.
If the iterable is empty, return True.
[clinic start generated code]*/
static PyObject *
builtin_all(PyObject *module, PyObject *iterable)
/*[clinic end generated code: output=ca2a7127276f79b3 input=1a7c5d1bc3438a21]*/
{
PyObject *it, *item;
PyObject *(*iternext)(PyObject *);
int cmp;
it = PyObject_GetIter(iterable);
if (it == NULL)
return NULL;
iternext = *Py_TYPE(it)->tp_iternext;
for (;;) {
item = iternext(it);
if (item == NULL)
break;
cmp = PyObject_IsTrue(item);
Py_DECREF(item);
if (cmp < 0) {
Py_DECREF(it);
return NULL;
}
if (cmp == 0) {
Py_DECREF(it);
Py_RETURN_FALSE;
}
}
Py_DECREF(it);
if (PyErr_Occurred()) {
if (PyErr_ExceptionMatches(PyExc_StopIteration))
PyErr_Clear();
else
return NULL;
}
Py_RETURN_TRUE;
}
/*[clinic input]
any as builtin_any
iterable: object
/
Return True if bool(x) is True for any x in the iterable.
If the iterable is empty, return False.
[clinic start generated code]*/
static PyObject *
builtin_any(PyObject *module, PyObject *iterable)
/*[clinic end generated code: output=fa65684748caa60e input=41d7451c23384f24]*/
{
PyObject *it, *item;
PyObject *(*iternext)(PyObject *);
int cmp;
it = PyObject_GetIter(iterable);
if (it == NULL)
return NULL;
iternext = *Py_TYPE(it)->tp_iternext;
for (;;) {
item = iternext(it);
if (item == NULL)
break;
cmp = PyObject_IsTrue(item);
Py_DECREF(item);
if (cmp < 0) {
Py_DECREF(it);
return NULL;
}
if (cmp > 0) {
Py_DECREF(it);
Py_RETURN_TRUE;
}
}
Py_DECREF(it);
if (PyErr_Occurred()) {
if (PyErr_ExceptionMatches(PyExc_StopIteration))
PyErr_Clear();
else
return NULL;
}
Py_RETURN_FALSE;
}
/*[clinic input]
ascii as builtin_ascii
obj: object
/
Return an ASCII-only representation of an object.
As repr(), return a string containing a printable representation of an
object, but escape the non-ASCII characters in the string returned by
repr() using \\x, \\u or \\U escapes. This generates a string similar
to that returned by repr() in Python 2.
[clinic start generated code]*/
static PyObject *
builtin_ascii(PyObject *module, PyObject *obj)
/*[clinic end generated code: output=6d37b3f0984c7eb9 input=4c62732e1b3a3cc9]*/
{
return PyObject_ASCII(obj);
}
/*[clinic input]
bin as builtin_bin
number: object
/
Return the binary representation of an integer.
>>> bin(2796202)
'0b1010101010101010101010'
[clinic start generated code]*/
static PyObject *
builtin_bin(PyObject *module, PyObject *number)
/*[clinic end generated code: output=b6fc4ad5e649f4f7 input=53f8a0264bacaf90]*/
{
return PyNumber_ToBase(number, 2);
}
/*[clinic input]
callable as builtin_callable
obj: object
/
Return whether the object is callable (i.e., some kind of function).
Note that classes are callable, as are instances of classes with a
__call__() method.
[clinic start generated code]*/
static PyObject *
builtin_callable(PyObject *module, PyObject *obj)
/*[clinic end generated code: output=2b095d59d934cb7e input=1423bab99cc41f58]*/
{
return PyBool_FromLong((long)PyCallable_Check(obj));
}
static PyObject *
builtin_breakpoint(PyObject *self, PyObject *const *args, Py_ssize_t nargs, PyObject *keywords)
{
PyObject *hook = PySys_GetObject("breakpointhook");
if (hook == NULL) {
PyErr_SetString(PyExc_RuntimeError, "lost sys.breakpointhook");
return NULL;
}
if (PySys_Audit("builtins.breakpoint", "O", hook) < 0) {
return NULL;
}
Py_INCREF(hook);
PyObject *retval = PyObject_Vectorcall(hook, args, nargs, keywords);
Py_DECREF(hook);
return retval;
}
PyDoc_STRVAR(breakpoint_doc,
"breakpoint(*args, **kws)\n\
\n\
Call sys.breakpointhook(*args, **kws). sys.breakpointhook() must accept\n\
whatever arguments are passed.\n\
\n\
By default, this drops you into the pdb debugger.");
typedef struct {
PyObject_HEAD
PyObject *func;
PyObject *it;
} filterobject;
static PyObject *
filter_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
{
PyObject *func, *seq;
PyObject *it;
filterobject *lz;
if (type == &PyFilter_Type && !_PyArg_NoKeywords("filter", kwds))
return NULL;
if (!PyArg_UnpackTuple(args, "filter", 2, 2, &func, &seq))
return NULL;
/* Get iterator. */
it = PyObject_GetIter(seq);
if (it == NULL)
return NULL;
/* create filterobject structure */
lz = (filterobject *)type->tp_alloc(type, 0);
if (lz == NULL) {
Py_DECREF(it);
return NULL;
}
Py_INCREF(func);
lz->func = func;
lz->it = it;
return (PyObject *)lz;
}
static void
filter_dealloc(filterobject *lz)
{
PyObject_GC_UnTrack(lz);
Py_XDECREF(lz->func);
Py_XDECREF(lz->it);
Py_TYPE(lz)->tp_free(lz);
}
static int
filter_traverse(filterobject *lz, visitproc visit, void *arg)
{
Py_VISIT(lz->it);
Py_VISIT(lz->func);
return 0;
}
static PyObject *
filter_next(filterobject *lz)
{
PyObject *item;
PyObject *it = lz->it;
long ok;
PyObject *(*iternext)(PyObject *);
int checktrue = lz->func == Py_None || lz->func == (PyObject *)&PyBool_Type;
iternext = *Py_TYPE(it)->tp_iternext;
for (;;) {
item = iternext(it);
if (item == NULL)
return NULL;
if (checktrue) {
ok = PyObject_IsTrue(item);
} else {
PyObject *good;
good = PyObject_CallOneArg(lz->func, item);
if (good == NULL) {
Py_DECREF(item);
return NULL;
}
ok = PyObject_IsTrue(good);
Py_DECREF(good);
}
if (ok > 0)
return item;
Py_DECREF(item);
if (ok < 0)
return NULL;
}
}
static PyObject *
filter_reduce(filterobject *lz, PyObject *Py_UNUSED(ignored))
{
return Py_BuildValue("O(OO)", Py_TYPE(lz), lz->func, lz->it);
}
PyDoc_STRVAR(reduce_doc, "Return state information for pickling.");
static PyMethodDef filter_methods[] = {
{"__reduce__", (PyCFunction)filter_reduce, METH_NOARGS, reduce_doc},
{NULL, NULL} /* sentinel */
};
PyDoc_STRVAR(filter_doc,
"filter(function or None, iterable) --> filter object\n\
\n\
Return an iterator yielding those items of iterable for which function(item)\n\
is true. If function is None, return the items that are true.");
PyTypeObject PyFilter_Type = {
PyVarObject_HEAD_INIT(&PyType_Type, 0)
"filter", /* tp_name */
sizeof(filterobject), /* tp_basicsize */
0, /* tp_itemsize */
/* methods */
(destructor)filter_dealloc, /* tp_dealloc */
0, /* tp_vectorcall_offset */
0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_as_async */
0, /* tp_repr */
0, /* tp_as_number */
0, /* tp_as_sequence */
0, /* tp_as_mapping */
0, /* tp_hash */
0, /* tp_call */
0, /* tp_str */
PyObject_GenericGetAttr, /* tp_getattro */
0, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
Py_TPFLAGS_BASETYPE, /* tp_flags */
filter_doc, /* tp_doc */
(traverseproc)filter_traverse, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
PyObject_SelfIter, /* tp_iter */
(iternextfunc)filter_next, /* tp_iternext */
filter_methods, /* tp_methods */
0, /* tp_members */
0, /* tp_getset */
0, /* tp_base */
0, /* tp_dict */
0, /* tp_descr_get */
0, /* tp_descr_set */
0, /* tp_dictoffset */
0, /* tp_init */
PyType_GenericAlloc, /* tp_alloc */
filter_new, /* tp_new */
PyObject_GC_Del, /* tp_free */
};
/*[clinic input]
format as builtin_format
value: object
format_spec: unicode(c_default="NULL") = ''
/
Return value.__format__(format_spec)
format_spec defaults to the empty string.
See the Format Specification Mini-Language section of help('FORMATTING') for
details.
[clinic start generated code]*/
static PyObject *
builtin_format_impl(PyObject *module, PyObject *value, PyObject *format_spec)
/*[clinic end generated code: output=2f40bdfa4954b077 input=88339c93ea522b33]*/
{
return PyObject_Format(value, format_spec);
}
/*[clinic input]
chr as builtin_chr
i: int
/
Return a Unicode string of one character with ordinal i; 0 <= i <= 0x10ffff.
[clinic start generated code]*/
static PyObject *
builtin_chr_impl(PyObject *module, int i)
/*[clinic end generated code: output=c733afcd200afcb7 input=3f604ef45a70750d]*/
{
return PyUnicode_FromOrdinal(i);
}
/*[clinic input]
compile as builtin_compile
source: object
filename: object(converter="PyUnicode_FSDecoder")
mode: str
flags: int = 0
dont_inherit: bool(accept={int}) = False
optimize: int = -1
*
_feature_version as feature_version: int = -1
Compile source into a code object that can be executed by exec() or eval().
The source code may represent a Python module, statement or expression.
The filename will be used for run-time error messages.
The mode must be 'exec' to compile a module, 'single' to compile a
single (interactive) statement, or 'eval' to compile an expression.
The flags argument, if present, controls which future statements influence
the compilation of the code.
The dont_inherit argument, if true, stops the compilation inheriting
the effects of any future statements in effect in the code calling
compile; if absent or false these statements do influence the compilation,
in addition to any features explicitly specified.
[clinic start generated code]*/
static PyObject *
builtin_compile_impl(PyObject *module, PyObject *source, PyObject *filename,
const char *mode, int flags, int dont_inherit,
int optimize, int feature_version)
/*[clinic end generated code: output=b0c09c84f116d3d7 input=40171fb92c1d580d]*/
{
PyObject *source_copy;
const char *str;
int compile_mode = -1;
int is_ast;
int start[] = {Py_file_input, Py_eval_input, Py_single_input, Py_func_type_input};
PyObject *result;
PyCompilerFlags cf = _PyCompilerFlags_INIT;
cf.cf_flags = flags | PyCF_SOURCE_IS_UTF8;
if (feature_version >= 0 && (flags & PyCF_ONLY_AST)) {
cf.cf_feature_version = feature_version;
}
if (flags &
~(PyCF_MASK | PyCF_MASK_OBSOLETE | PyCF_COMPILE_MASK))
{
PyErr_SetString(PyExc_ValueError,
"compile(): unrecognised flags");
goto error;
}
/* XXX Warn if (supplied_flags & PyCF_MASK_OBSOLETE) != 0? */
if (optimize < -1 || optimize > 2) {
PyErr_SetString(PyExc_ValueError,
"compile(): invalid optimize value");
goto error;
}
if (!dont_inherit) {
PyEval_MergeCompilerFlags(&cf);
}
if (strcmp(mode, "exec") == 0)
compile_mode = 0;
else if (strcmp(mode, "eval") == 0)
compile_mode = 1;
else if (strcmp(mode, "single") == 0)
compile_mode = 2;
else if (strcmp(mode, "func_type") == 0) {
if (!(flags & PyCF_ONLY_AST)) {
PyErr_SetString(PyExc_ValueError,
"compile() mode 'func_type' requires flag PyCF_ONLY_AST");
goto error;
}
compile_mode = 3;
}
else {
const char *msg;
if (flags & PyCF_ONLY_AST)
msg = "compile() mode must be 'exec', 'eval', 'single' or 'func_type'";
else
msg = "compile() mode must be 'exec', 'eval' or 'single'";
PyErr_SetString(PyExc_ValueError, msg);
goto error;
}
is_ast = PyAST_Check(source);
if (is_ast == -1)
goto error;
if (is_ast) {
if (flags & PyCF_ONLY_AST) {
Py_INCREF(source);
result = source;
}
else {
PyArena *arena;
mod_ty mod;
arena = PyArena_New();
if (arena == NULL)
goto error;
mod = PyAST_obj2mod(source, arena, compile_mode);
if (mod == NULL) {
PyArena_Free(arena);
goto error;
}
if (!PyAST_Validate(mod)) {
PyArena_Free(arena);
goto error;
}
result = (PyObject*)PyAST_CompileObject(mod, filename,
&cf, optimize, arena);
PyArena_Free(arena);
}
goto finally;
}
str = _Py_SourceAsString(source, "compile", "string, bytes or AST", &cf, &source_copy);
if (str == NULL)
goto error;
result = Py_CompileStringObject(str, filename, start[compile_mode], &cf, optimize);
Py_XDECREF(source_copy);
goto finally;
error:
result = NULL;
finally:
Py_DECREF(filename);
return result;
}
/* AC: cannot convert yet, as needs PEP 457 group support in inspect */
static PyObject *
builtin_dir(PyObject *self, PyObject *args)
{
PyObject *arg = NULL;
if (!PyArg_UnpackTuple(args, "dir", 0, 1, &arg))
return NULL;
return PyObject_Dir(arg);
}
PyDoc_STRVAR(dir_doc,
"dir([object]) -> list of strings\n"
"\n"
"If called without an argument, return the names in the current scope.\n"
"Else, return an alphabetized list of names comprising (some of) the attributes\n"
"of the given object, and of attributes reachable from it.\n"
"If the object supplies a method named __dir__, it will be used; otherwise\n"
"the default dir() logic is used and returns:\n"
" for a module object: the module's attributes.\n"
" for a class object: its attributes, and recursively the attributes\n"
" of its bases.\n"
" for any other object: its attributes, its class's attributes, and\n"
" recursively the attributes of its class's base classes.");
/*[clinic input]
divmod as builtin_divmod
x: object
y: object
/
Return the tuple (x//y, x%y). Invariant: div*y + mod == x.
[clinic start generated code]*/
static PyObject *
builtin_divmod_impl(PyObject *module, PyObject *x, PyObject *y)
/*[clinic end generated code: output=b06d8a5f6e0c745e input=175ad9c84ff41a85]*/
{
return PyNumber_Divmod(x, y);
}
/*[clinic input]
eval as builtin_eval
source: object
globals: object = None
locals: object = None
/
Evaluate the given source in the context of globals and locals.
The source may be a string representing a Python expression
or a code object as returned by compile().
The globals must be a dictionary and locals can be any mapping,
defaulting to the current globals and locals.
If only globals is given, locals defaults to it.
[clinic start generated code]*/
static PyObject *
builtin_eval_impl(PyObject *module, PyObject *source, PyObject *globals,
PyObject *locals)
/*[clinic end generated code: output=0a0824aa70093116 input=11ee718a8640e527]*/
{
PyObject *result, *source_copy;
const char *str;
if (locals != Py_None && !PyMapping_Check(locals)) {
PyErr_SetString(PyExc_TypeError, "locals must be a mapping");
return NULL;
}
if (globals != Py_None && !PyDict_Check(globals)) {
PyErr_SetString(PyExc_TypeError, PyMapping_Check(globals) ?
"globals must be a real dict; try eval(expr, {}, mapping)"
: "globals must be a dict");
return NULL;
}
if (globals == Py_None) {
globals = PyEval_GetGlobals();
if (locals == Py_None) {
locals = PyEval_GetLocals();
if (locals == NULL)
return NULL;
}
}
else if (locals == Py_None)
locals = globals;
if (globals == NULL || locals == NULL) {
PyErr_SetString(PyExc_TypeError,
"eval must be given globals and locals "
"when called without a frame");
return NULL;
}
if (_PyDict_GetItemIdWithError(globals, &PyId___builtins__) == NULL) {
if (_PyDict_SetItemId(globals, &PyId___builtins__,
PyEval_GetBuiltins()) != 0)
return NULL;
}
else if (PyErr_Occurred()) {
return NULL;
}
if (PyCode_Check(source)) {
if (PySys_Audit("exec", "O", source) < 0) {
return NULL;
}
if (PyCode_GetNumFree((PyCodeObject *)source) > 0) {
PyErr_SetString(PyExc_TypeError,
"code object passed to eval() may not contain free variables");
return NULL;
}
return PyEval_EvalCode(source, globals, locals);
}
PyCompilerFlags cf = _PyCompilerFlags_INIT;
cf.cf_flags = PyCF_SOURCE_IS_UTF8;
str = _Py_SourceAsString(source, "eval", "string, bytes or code", &cf, &source_copy);
if (str == NULL)
return NULL;
while (*str == ' ' || *str == '\t')
str++;
(void)PyEval_MergeCompilerFlags(&cf);
result = PyRun_StringFlags(str, Py_eval_input, globals, locals, &cf);
Py_XDECREF(source_copy);
return result;
}
/*[clinic input]
exec as builtin_exec
source: object
globals: object = None
locals: object = None
/
Execute the given source in the context of globals and locals.
The source may be a string representing one or more Python statements
or a code object as returned by compile().
The globals must be a dictionary and locals can be any mapping,
defaulting to the current globals and locals.
If only globals is given, locals defaults to it.
[clinic start generated code]*/
static PyObject *
builtin_exec_impl(PyObject *module, PyObject *source, PyObject *globals,
PyObject *locals)
/*[clinic end generated code: output=3c90efc6ab68ef5d input=01ca3e1c01692829]*/
{
PyObject *v;
if (globals == Py_None) {
globals = PyEval_GetGlobals();
if (locals == Py_None) {
locals = PyEval_GetLocals();
if (locals == NULL)
return NULL;
}
if (!globals || !locals) {
PyErr_SetString(PyExc_SystemError,
"globals and locals cannot be NULL");
return NULL;
}
}
else if (locals == Py_None)
locals = globals;
if (!PyDict_Check(globals)) {
PyErr_Format(PyExc_TypeError, "exec() globals must be a dict, not %.100s",
Py_TYPE(globals)->tp_name);
return NULL;
}
if (!PyMapping_Check(locals)) {
PyErr_Format(PyExc_TypeError,
"locals must be a mapping or None, not %.100s",
Py_TYPE(locals)->tp_name);
return NULL;
}
if (_PyDict_GetItemIdWithError(globals, &PyId___builtins__) == NULL) {
if (_PyDict_SetItemId(globals, &PyId___builtins__,
PyEval_GetBuiltins()) != 0)
return NULL;
}
else if (PyErr_Occurred()) {
return NULL;
}
if (PyCode_Check(source)) {
if (PySys_Audit("exec", "O", source) < 0) {
return NULL;
}
if (PyCode_GetNumFree((PyCodeObject *)source) > 0) {
PyErr_SetString(PyExc_TypeError,
"code object passed to exec() may not "
"contain free variables");
return NULL;
}
v = PyEval_EvalCode(source, globals, locals);
}
else {
PyObject *source_copy;
const char *str;
PyCompilerFlags cf = _PyCompilerFlags_INIT;
cf.cf_flags = PyCF_SOURCE_IS_UTF8;
str = _Py_SourceAsString(source, "exec",
"string, bytes or code", &cf,
&source_copy);
if (str == NULL)
return NULL;
if (PyEval_MergeCompilerFlags(&cf))
v = PyRun_StringFlags(str, Py_file_input, globals,
locals, &cf);
else
v = PyRun_String(str, Py_file_input, globals, locals);
Py_XDECREF(source_copy);
}
if (v == NULL)
return NULL;
Py_DECREF(v);
Py_RETURN_NONE;
}
/* AC: cannot convert yet, as needs PEP 457 group support in inspect */
static PyObject *
builtin_getattr(PyObject *self, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *v, *name, *result;
if (!_PyArg_CheckPositional("getattr", nargs, 2, 3))
return NULL;
v = args[0];
name = args[1];
if (!PyUnicode_Check(name)) {
PyErr_SetString(PyExc_TypeError,
"getattr(): attribute name must be string");
return NULL;
}
if (nargs > 2) {
if (_PyObject_LookupAttr(v, name, &result) == 0) {
PyObject *dflt = args[2];
Py_INCREF(dflt);
return dflt;
}
}
else {
result = PyObject_GetAttr(v, name);
}
return result;
}
PyDoc_STRVAR(getattr_doc,
"getattr(object, name[, default]) -> value\n\
\n\
Get a named attribute from an object; getattr(x, 'y') is equivalent to x.y.\n\
When a default argument is given, it is returned when the attribute doesn't\n\
exist; without it, an exception is raised in that case.");
/*[clinic input]
globals as builtin_globals
Return the dictionary containing the current scope's global variables.
NOTE: Updates to this dictionary *will* affect name lookups in the current
global scope and vice-versa.
[clinic start generated code]*/
static PyObject *
builtin_globals_impl(PyObject *module)
/*[clinic end generated code: output=e5dd1527067b94d2 input=9327576f92bb48ba]*/
{
PyObject *d;
d = PyEval_GetGlobals();
Py_XINCREF(d);
return d;
}
/*[clinic input]
hasattr as builtin_hasattr
obj: object
name: object
/
Return whether the object has an attribute with the given name.
This is done by calling getattr(obj, name) and catching AttributeError.
[clinic start generated code]*/
static PyObject *
builtin_hasattr_impl(PyObject *module, PyObject *obj, PyObject *name)
/*[clinic end generated code: output=a7aff2090a4151e5 input=0faec9787d979542]*/
{
PyObject *v;
if (!PyUnicode_Check(name)) {
PyErr_SetString(PyExc_TypeError,
"hasattr(): attribute name must be string");
return NULL;
}
if (_PyObject_LookupAttr(obj, name, &v) < 0) {
return NULL;
}
if (v == NULL) {
Py_RETURN_FALSE;
}
Py_DECREF(v);
Py_RETURN_TRUE;
}
/* AC: gdb's integration with CPython relies on builtin_id having
* the *exact* parameter names of "self" and "v", so we ensure we
* preserve those name rather than using the AC defaults.
*/
/*[clinic input]
id as builtin_id
self: self(type="PyModuleDef *")
obj as v: object
/
Return the identity of an object.
This is guaranteed to be unique among simultaneously existing objects.
(CPython uses the object's memory address.)
[clinic start generated code]*/
static PyObject *
builtin_id(PyModuleDef *self, PyObject *v)
/*[clinic end generated code: output=0aa640785f697f65 input=5a534136419631f4]*/
{
PyObject *id = PyLong_FromVoidPtr(v);
if (id && PySys_Audit("builtins.id", "O", id) < 0) {
Py_DECREF(id);
return NULL;
}
return id;
}
/* map object ************************************************************/
typedef struct {
PyObject_HEAD
PyObject *iters;
PyObject *func;
} mapobject;
static PyObject *
map_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
{
PyObject *it, *iters, *func;
mapobject *lz;
Py_ssize_t numargs, i;
if (type == &PyMap_Type && !_PyArg_NoKeywords("map", kwds))
return NULL;
numargs = PyTuple_Size(args);
if (numargs < 2) {
PyErr_SetString(PyExc_TypeError,
"map() must have at least two arguments.");
return NULL;
}
iters = PyTuple_New(numargs-1);
if (iters == NULL)
return NULL;
for (i=1 ; i<numargs ; i++) {
/* Get iterator. */
it = PyObject_GetIter(PyTuple_GET_ITEM(args, i));
if (it == NULL) {
Py_DECREF(iters);
return NULL;
}
PyTuple_SET_ITEM(iters, i-1, it);
}
/* create mapobject structure */
lz = (mapobject *)type->tp_alloc(type, 0);
if (lz == NULL) {
Py_DECREF(iters);
return NULL;
}
lz->iters = iters;
func = PyTuple_GET_ITEM(args, 0);
Py_INCREF(func);
lz->func = func;
return (PyObject *)lz;
}
static void
map_dealloc(mapobject *lz)
{
PyObject_GC_UnTrack(lz);
Py_XDECREF(lz->iters);
Py_XDECREF(lz->func);
Py_TYPE(lz)->tp_free(lz);
}
static int
map_traverse(mapobject *lz, visitproc visit, void *arg)
{
Py_VISIT(lz->iters);
Py_VISIT(lz->func);
return 0;
}
static PyObject *
map_next(mapobject *lz)
{
PyObject *small_stack[_PY_FASTCALL_SMALL_STACK];
PyObject **stack;
PyObject *result = NULL;
PyThreadState *tstate = _PyThreadState_GET();
const Py_ssize_t niters = PyTuple_GET_SIZE(lz->iters);
if (niters <= (Py_ssize_t)Py_ARRAY_LENGTH(small_stack)) {
stack = small_stack;
}
else {
stack = PyMem_Malloc(niters * sizeof(stack[0]));
if (stack == NULL) {
_PyErr_NoMemory(tstate);
return NULL;
}
}
Py_ssize_t nargs = 0;
for (Py_ssize_t i=0; i < niters; i++) {
PyObject *it = PyTuple_GET_ITEM(lz->iters, i);
PyObject *val = Py_TYPE(it)->tp_iternext(it);
if (val == NULL) {
goto exit;
}
stack[i] = val;
nargs++;
}
result = _PyObject_VectorcallTstate(tstate, lz->func, stack, nargs, NULL);
exit:
for (Py_ssize_t i=0; i < nargs; i++) {
Py_DECREF(stack[i]);
}
if (stack != small_stack) {
PyMem_Free(stack);
}
return result;
}
static PyObject *
map_reduce(mapobject *lz, PyObject *Py_UNUSED(ignored))
{
Py_ssize_t numargs = PyTuple_GET_SIZE(lz->iters);
PyObject *args = PyTuple_New(numargs+1);
Py_ssize_t i;
if (args == NULL)
return NULL;
Py_INCREF(lz->func);
PyTuple_SET_ITEM(args, 0, lz->func);
for (i = 0; i<numargs; i++){
PyObject *it = PyTuple_GET_ITEM(lz->iters, i);
Py_INCREF(it);
PyTuple_SET_ITEM(args, i+1, it);
}
return Py_BuildValue("ON", Py_TYPE(lz), args);
}
static PyMethodDef map_methods[] = {
{"__reduce__", (PyCFunction)map_reduce, METH_NOARGS, reduce_doc},
{NULL, NULL} /* sentinel */
};
PyDoc_STRVAR(map_doc,
"map(func, *iterables) --> map object\n\
\n\
Make an iterator that computes the function using arguments from\n\
each of the iterables. Stops when the shortest iterable is exhausted.");
PyTypeObject PyMap_Type = {
PyVarObject_HEAD_INIT(&PyType_Type, 0)
"map", /* tp_name */
sizeof(mapobject), /* tp_basicsize */
0, /* tp_itemsize */
/* methods */
(destructor)map_dealloc, /* tp_dealloc */
0, /* tp_vectorcall_offset */
0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_as_async */
0, /* tp_repr */
0, /* tp_as_number */
0, /* tp_as_sequence */
0, /* tp_as_mapping */
0, /* tp_hash */
0, /* tp_call */
0, /* tp_str */
PyObject_GenericGetAttr, /* tp_getattro */
0, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
Py_TPFLAGS_BASETYPE, /* tp_flags */
map_doc, /* tp_doc */
(traverseproc)map_traverse, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
PyObject_SelfIter, /* tp_iter */
(iternextfunc)map_next, /* tp_iternext */
map_methods, /* tp_methods */
0, /* tp_members */
0, /* tp_getset */
0, /* tp_base */
0, /* tp_dict */
0, /* tp_descr_get */
0, /* tp_descr_set */
0, /* tp_dictoffset */
0, /* tp_init */
PyType_GenericAlloc, /* tp_alloc */
map_new, /* tp_new */
PyObject_GC_Del, /* tp_free */
};
/* AC: cannot convert yet, as needs PEP 457 group support in inspect */
static PyObject *
builtin_next(PyObject *self, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *it, *res;
if (!_PyArg_CheckPositional("next", nargs, 1, 2))
return NULL;
it = args[0];
if (!PyIter_Check(it)) {
PyErr_Format(PyExc_TypeError,
"'%.200s' object is not an iterator",
Py_TYPE(it)->tp_name);
return NULL;
}
res = (*Py_TYPE(it)->tp_iternext)(it);
if (res != NULL) {
return res;
} else if (nargs > 1) {
PyObject *def = args[1];
if (PyErr_Occurred()) {
if(!PyErr_ExceptionMatches(PyExc_StopIteration))
return NULL;
PyErr_Clear();
}
Py_INCREF(def);
return def;
} else if (PyErr_Occurred()) {
return NULL;
} else {
PyErr_SetNone(PyExc_StopIteration);
return NULL;
}
}
PyDoc_STRVAR(next_doc,
"next(iterator[, default])\n\
\n\
Return the next item from the iterator. If default is given and the iterator\n\
is exhausted, it is returned instead of raising StopIteration.");
/*[clinic input]
setattr as builtin_setattr
obj: object
name: object
value: object
/
Sets the named attribute on the given object to the specified value.
setattr(x, 'y', v) is equivalent to ``x.y = v''
[clinic start generated code]*/
static PyObject *
builtin_setattr_impl(PyObject *module, PyObject *obj, PyObject *name,
PyObject *value)
/*[clinic end generated code: output=dc2ce1d1add9acb4 input=bd2b7ca6875a1899]*/
{
if (PyObject_SetAttr(obj, name, value) != 0)
return NULL;
Py_RETURN_NONE;
}
/*[clinic input]
delattr as builtin_delattr
obj: object
name: object
/
Deletes the named attribute from the given object.
delattr(x, 'y') is equivalent to ``del x.y''
[clinic start generated code]*/
static PyObject *
builtin_delattr_impl(PyObject *module, PyObject *obj, PyObject *name)
/*[clinic end generated code: output=85134bc58dff79fa input=db16685d6b4b9410]*/
{
if (PyObject_SetAttr(obj, name, (PyObject *)NULL) != 0)
return NULL;
Py_RETURN_NONE;
}
/*[clinic input]
hash as builtin_hash
obj: object
/
Return the hash value for the given object.
Two objects that compare equal must also have the same hash value, but the
reverse is not necessarily true.
[clinic start generated code]*/
static PyObject *
builtin_hash(PyObject *module, PyObject *obj)
/*[clinic end generated code: output=237668e9d7688db7 input=58c48be822bf9c54]*/
{
Py_hash_t x;
x = PyObject_Hash(obj);
if (x == -1)
return NULL;
return PyLong_FromSsize_t(x);
}
/*[clinic input]
hex as builtin_hex
number: object
/
Return the hexadecimal representation of an integer.
>>> hex(12648430)
'0xc0ffee'
[clinic start generated code]*/
static PyObject *
builtin_hex(PyObject *module, PyObject *number)
/*[clinic end generated code: output=e46b612169099408 input=e645aff5fc7d540e]*/
{
return PyNumber_ToBase(number, 16);
}
/* AC: cannot convert yet, as needs PEP 457 group support in inspect */
static PyObject *
builtin_iter(PyObject *self, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *v;
if (!_PyArg_CheckPositional("iter", nargs, 1, 2))
return NULL;
v = args[0];
if (nargs == 1)
return PyObject_GetIter(v);
if (!PyCallable_Check(v)) {
PyErr_SetString(PyExc_TypeError,
"iter(v, w): v must be callable");
return NULL;
}
PyObject *sentinel = args[1];
return PyCallIter_New(v, sentinel);
}
PyDoc_STRVAR(iter_doc,
"iter(iterable) -> iterator\n\
iter(callable, sentinel) -> iterator\n\
\n\
Get an iterator from an object. In the first form, the argument must\n\
supply its own iterator, or be a sequence.\n\
In the second form, the callable is called until it returns the sentinel.");
/*[clinic input]
len as builtin_len
obj: object
/
Return the number of items in a container.
[clinic start generated code]*/
static PyObject *
builtin_len(PyObject *module, PyObject *obj)
/*[clinic end generated code: output=fa7a270d314dfb6c input=bc55598da9e9c9b5]*/
{
Py_ssize_t res;
res = PyObject_Size(obj);
if (res < 0) {
assert(PyErr_Occurred());
return NULL;
}
return PyLong_FromSsize_t(res);
}
/*[clinic input]
locals as builtin_locals
Return a dictionary containing the current scope's local variables.
NOTE: Whether or not updates to this dictionary will affect name lookups in
the local scope and vice-versa is *implementation dependent* and not
covered by any backwards compatibility guarantees.
[clinic start generated code]*/
static PyObject *
builtin_locals_impl(PyObject *module)
/*[clinic end generated code: output=b46c94015ce11448 input=7874018d478d5c4b]*/
{
PyObject *d;
d = PyEval_GetLocals();
Py_XINCREF(d);
return d;
}
static PyObject *
min_max(PyObject *args, PyObject *kwds, int op)
{
PyObject *v, *it, *item, *val, *maxitem, *maxval, *keyfunc=NULL;
PyObject *emptytuple, *defaultval = NULL;
static char *kwlist[] = {"key", "default", NULL};
const char *name = op == Py_LT ? "min" : "max";
const int positional = PyTuple_Size(args) > 1;
int ret;
if (positional) {
v = args;
}
else if (!PyArg_UnpackTuple(args, name, 1, 1, &v)) {
if (PyExceptionClass_Check(PyExc_TypeError)) {
PyErr_Format(PyExc_TypeError, "%s expected at least 1 argument, got 0", name);
}
return NULL;
}
emptytuple = PyTuple_New(0);
if (emptytuple == NULL)
return NULL;
ret = PyArg_ParseTupleAndKeywords(emptytuple, kwds,
(op == Py_LT) ? "|$OO:min" : "|$OO:max",
kwlist, &keyfunc, &defaultval);
Py_DECREF(emptytuple);
if (!ret)
return NULL;
if (positional && defaultval != NULL) {
PyErr_Format(PyExc_TypeError,
"Cannot specify a default for %s() with multiple "
"positional arguments", name);
return NULL;
}
it = PyObject_GetIter(v);
if (it == NULL) {
return NULL;
}
if (keyfunc == Py_None) {
keyfunc = NULL;
}
maxitem = NULL; /* the result */
maxval = NULL; /* the value associated with the result */
while (( item = PyIter_Next(it) )) {
/* get the value from the key function */
if (keyfunc != NULL) {
val = PyObject_CallOneArg(keyfunc, item);
if (val == NULL)
goto Fail_it_item;
}
/* no key function; the value is the item */
else {
val = item;
Py_INCREF(val);
}
/* maximum value and item are unset; set them */
if (maxval == NULL) {
maxitem = item;
maxval = val;
}
/* maximum value and item are set; update them as necessary */
else {
int cmp = PyObject_RichCompareBool(val, maxval, op);
if (cmp < 0)
goto Fail_it_item_and_val;
else if (cmp > 0) {
Py_DECREF(maxval);
Py_DECREF(maxitem);
maxval = val;
maxitem = item;
}
else {
Py_DECREF(item);
Py_DECREF(val);
}
}
}
if (PyErr_Occurred())
goto Fail_it;
if (maxval == NULL) {
assert(maxitem == NULL);
if (defaultval != NULL) {
Py_INCREF(defaultval);
maxitem = defaultval;
} else {
PyErr_Format(PyExc_ValueError,
"%s() arg is an empty sequence", name);
}
}
else
Py_DECREF(maxval);
Py_DECREF(it);
return maxitem;
Fail_it_item_and_val:
Py_DECREF(val);
Fail_it_item:
Py_DECREF(item);
Fail_it:
Py_XDECREF(maxval);
Py_XDECREF(maxitem);
Py_DECREF(it);
return NULL;
}
/* AC: cannot convert yet, waiting for *args support */
static PyObject *
builtin_min(PyObject *self, PyObject *args, PyObject *kwds)
{
return min_max(args, kwds, Py_LT);
}
PyDoc_STRVAR(min_doc,
"min(iterable, *[, default=obj, key=func]) -> value\n\
min(arg1, arg2, *args, *[, key=func]) -> value\n\
\n\
With a single iterable argument, return its smallest item. The\n\
default keyword-only argument specifies an object to return if\n\
the provided iterable is empty.\n\
With two or more arguments, return the smallest argument.");
/* AC: cannot convert yet, waiting for *args support */
static PyObject *
builtin_max(PyObject *self, PyObject *args, PyObject *kwds)
{
return min_max(args, kwds, Py_GT);
}
PyDoc_STRVAR(max_doc,
"max(iterable, *[, default=obj, key=func]) -> value\n\
max(arg1, arg2, *args, *[, key=func]) -> value\n\
\n\
With a single iterable argument, return its biggest item. The\n\
default keyword-only argument specifies an object to return if\n\
the provided iterable is empty.\n\
With two or more arguments, return the largest argument.");
/*[clinic input]
oct as builtin_oct
number: object
/
Return the octal representation of an integer.
>>> oct(342391)
'0o1234567'
[clinic start generated code]*/
static PyObject *
builtin_oct(PyObject *module, PyObject *number)
/*[clinic end generated code: output=40a34656b6875352 input=ad6b274af4016c72]*/
{
return PyNumber_ToBase(number, 8);
}
/*[clinic input]
ord as builtin_ord
c: object
/
Return the Unicode code point for a one-character string.
[clinic start generated code]*/
static PyObject *
builtin_ord(PyObject *module, PyObject *c)
/*[clinic end generated code: output=4fa5e87a323bae71 input=3064e5d6203ad012]*/
{
long ord;
Py_ssize_t size;
if (PyBytes_Check(c)) {
size = PyBytes_GET_SIZE(c);
if (size == 1) {
ord = (long)((unsigned char)*PyBytes_AS_STRING(c));
return PyLong_FromLong(ord);
}
}
else if (PyUnicode_Check(c)) {
if (PyUnicode_READY(c) == -1)
return NULL;
size = PyUnicode_GET_LENGTH(c);
if (size == 1) {
ord = (long)PyUnicode_READ_CHAR(c, 0);
return PyLong_FromLong(ord);
}
}
else if (PyByteArray_Check(c)) {
/* XXX Hopefully this is temporary */
size = PyByteArray_GET_SIZE(c);
if (size == 1) {
ord = (long)((unsigned char)*PyByteArray_AS_STRING(c));
return PyLong_FromLong(ord);
}
}
else {
PyErr_Format(PyExc_TypeError,
"ord() expected string of length 1, but " \
"%.200s found", Py_TYPE(c)->tp_name);
return NULL;
}
PyErr_Format(PyExc_TypeError,
"ord() expected a character, "
"but string of length %zd found",
size);
return NULL;
}
/*[clinic input]
pow as builtin_pow
base: object
exp: object
mod: object = None
Equivalent to base**exp with 2 arguments or base**exp % mod with 3 arguments
Some types, such as ints, are able to use a more efficient algorithm when
invoked using the three argument form.
[clinic start generated code]*/
static PyObject *
builtin_pow_impl(PyObject *module, PyObject *base, PyObject *exp,
PyObject *mod)
/*[clinic end generated code: output=3ca1538221bbf15f input=435dbd48a12efb23]*/
{
return PyNumber_Power(base, exp, mod);
}
/* AC: cannot convert yet, waiting for *args support */
static PyObject *
builtin_print(PyObject *self, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
{
static const char * const _keywords[] = {"sep", "end", "file", "flush", 0};
static struct _PyArg_Parser _parser = {"|OOOp:print", _keywords, 0};
PyObject *sep = NULL, *end = NULL, *file = NULL;
int flush = 0;
int i, err;
if (kwnames != NULL &&
!_PyArg_ParseStackAndKeywords(args + nargs, 0, kwnames, &_parser,
&sep, &end, &file, &flush)) {
return NULL;
}
if (file == NULL || file == Py_None) {
file = _PySys_GetObjectId(&PyId_stdout);
if (file == NULL) {
PyErr_SetString(PyExc_RuntimeError, "lost sys.stdout");
return NULL;
}
/* sys.stdout may be None when FILE* stdout isn't connected */
if (file == Py_None)
Py_RETURN_NONE;
}
if (sep == Py_None) {
sep = NULL;
}
else if (sep && !PyUnicode_Check(sep)) {
PyErr_Format(PyExc_TypeError,
"sep must be None or a string, not %.200s",
Py_TYPE(sep)->tp_name);
return NULL;
}
if (end == Py_None) {
end = NULL;
}
else if (end && !PyUnicode_Check(end)) {
PyErr_Format(PyExc_TypeError,
"end must be None or a string, not %.200s",
Py_TYPE(end)->tp_name);
return NULL;
}
for (i = 0; i < nargs; i++) {
if (i > 0) {
if (sep == NULL)
err = PyFile_WriteString(" ", file);
else
err = PyFile_WriteObject(sep, file,
Py_PRINT_RAW);
if (err)
return NULL;
}
err = PyFile_WriteObject(args[i], file, Py_PRINT_RAW);
if (err)
return NULL;
}
if (end == NULL)
err = PyFile_WriteString("\n", file);
else
err = PyFile_WriteObject(end, file, Py_PRINT_RAW);
if (err)
return NULL;
if (flush) {
PyObject *tmp = _PyObject_CallMethodIdNoArgs(file, &PyId_flush);
if (tmp == NULL)
return NULL;
Py_DECREF(tmp);
}
Py_RETURN_NONE;
}
PyDoc_STRVAR(print_doc,
"print(value, ..., sep=' ', end='\\n', file=sys.stdout, flush=False)\n\
\n\
Prints the values to a stream, or to sys.stdout by default.\n\
Optional keyword arguments:\n\
file: a file-like object (stream); defaults to the current sys.stdout.\n\
sep: string inserted between values, default a space.\n\
end: string appended after the last value, default a newline.\n\
flush: whether to forcibly flush the stream.");
/*[clinic input]
input as builtin_input
prompt: object(c_default="NULL") = None
/
Read a string from standard input. The trailing newline is stripped.
The prompt string, if given, is printed to standard output without a
trailing newline before reading input.
If the user hits EOF (*nix: Ctrl-D, Windows: Ctrl-Z+Return), raise EOFError.
On *nix systems, readline is used if available.
[clinic start generated code]*/
static PyObject *
builtin_input_impl(PyObject *module, PyObject *prompt)
/*[clinic end generated code: output=83db5a191e7a0d60 input=5e8bb70c2908fe3c]*/
{
PyObject *fin = _PySys_GetObjectId(&PyId_stdin);
PyObject *fout = _PySys_GetObjectId(&PyId_stdout);
PyObject *ferr = _PySys_GetObjectId(&PyId_stderr);
PyObject *tmp;
long fd;
int tty;
/* Check that stdin/out/err are intact */
if (fin == NULL || fin == Py_None) {
PyErr_SetString(PyExc_RuntimeError,
"input(): lost sys.stdin");
return NULL;
}
if (fout == NULL || fout == Py_None) {
PyErr_SetString(PyExc_RuntimeError,
"input(): lost sys.stdout");
return NULL;
}
if (ferr == NULL || ferr == Py_None) {
PyErr_SetString(PyExc_RuntimeError,
"input(): lost sys.stderr");
return NULL;
}
if (PySys_Audit("builtins.input", "O", prompt ? prompt : Py_None) < 0) {
return NULL;
}
/* First of all, flush stderr */
tmp = _PyObject_CallMethodIdNoArgs(ferr, &PyId_flush);
if (tmp == NULL)
PyErr_Clear();
else
Py_DECREF(tmp);
/* We should only use (GNU) readline if Python's sys.stdin and
sys.stdout are the same as C's stdin and stdout, because we
need to pass it those. */
tmp = _PyObject_CallMethodIdNoArgs(fin, &PyId_fileno);
if (tmp == NULL) {
PyErr_Clear();
tty = 0;
}
else {
fd = PyLong_AsLong(tmp);
Py_DECREF(tmp);
if (fd < 0 && PyErr_Occurred())
return NULL;
tty = fd == fileno(stdin) && isatty(fd);
}
if (tty) {
tmp = _PyObject_CallMethodIdNoArgs(fout, &PyId_fileno);
if (tmp == NULL) {
PyErr_Clear();
tty = 0;
}
else {
fd = PyLong_AsLong(tmp);
Py_DECREF(tmp);
if (fd < 0 && PyErr_Occurred())
return NULL;
tty = fd == fileno(stdout) && isatty(fd);
}
}
/* If we're interactive, use (GNU) readline */
if (tty) {
PyObject *po = NULL;
const char *promptstr;
char *s = NULL;
PyObject *stdin_encoding = NULL, *stdin_errors = NULL;
PyObject *stdout_encoding = NULL, *stdout_errors = NULL;
const char *stdin_encoding_str, *stdin_errors_str;
PyObject *result;
size_t len;
/* stdin is a text stream, so it must have an encoding. */
stdin_encoding = _PyObject_GetAttrId(fin, &PyId_encoding);
stdin_errors = _PyObject_GetAttrId(fin, &PyId_errors);
if (!stdin_encoding || !stdin_errors ||
!PyUnicode_Check(stdin_encoding) ||
!PyUnicode_Check(stdin_errors)) {
tty = 0;
goto _readline_errors;
}
stdin_encoding_str = PyUnicode_AsUTF8(stdin_encoding);
stdin_errors_str = PyUnicode_AsUTF8(stdin_errors);
if (!stdin_encoding_str || !stdin_errors_str)
goto _readline_errors;
tmp = _PyObject_CallMethodIdNoArgs(fout, &PyId_flush);
if (tmp == NULL)
PyErr_Clear();
else
Py_DECREF(tmp);
if (prompt != NULL) {
/* We have a prompt, encode it as stdout would */
const char *stdout_encoding_str, *stdout_errors_str;
PyObject *stringpo;
stdout_encoding = _PyObject_GetAttrId(fout, &PyId_encoding);
stdout_errors = _PyObject_GetAttrId(fout, &PyId_errors);
if (!stdout_encoding || !stdout_errors ||
!PyUnicode_Check(stdout_encoding) ||
!PyUnicode_Check(stdout_errors)) {
tty = 0;
goto _readline_errors;
}
stdout_encoding_str = PyUnicode_AsUTF8(stdout_encoding);
stdout_errors_str = PyUnicode_AsUTF8(stdout_errors);
if (!stdout_encoding_str || !stdout_errors_str)
goto _readline_errors;
stringpo = PyObject_Str(prompt);
if (stringpo == NULL)
goto _readline_errors;
po = PyUnicode_AsEncodedString(stringpo,
stdout_encoding_str, stdout_errors_str);
Py_CLEAR(stdout_encoding);
Py_CLEAR(stdout_errors);
Py_CLEAR(stringpo);
if (po == NULL)
goto _readline_errors;
assert(PyBytes_Check(po));
promptstr = PyBytes_AS_STRING(po);
}
else {
po = NULL;
promptstr = "";
}
s = PyOS_Readline(stdin, stdout, promptstr);
if (s == NULL) {
PyErr_CheckSignals();
if (!PyErr_Occurred())
PyErr_SetNone(PyExc_KeyboardInterrupt);
goto _readline_errors;
}
len = strlen(s);
if (len == 0) {
PyErr_SetNone(PyExc_EOFError);
result = NULL;
}
else {
if (len > PY_SSIZE_T_MAX) {
PyErr_SetString(PyExc_OverflowError,
"input: input too long");
result = NULL;
}
else {
len--; /* strip trailing '\n' */
if (len != 0 && s[len-1] == '\r')
len--; /* strip trailing '\r' */
result = PyUnicode_Decode(s, len, stdin_encoding_str,
stdin_errors_str);
}
}
Py_DECREF(stdin_encoding);
Py_DECREF(stdin_errors);
Py_XDECREF(po);
PyMem_FREE(s);
if (result != NULL) {
if (PySys_Audit("builtins.input/result", "O", result) < 0) {
return NULL;
}
}
return result;
_readline_errors:
Py_XDECREF(stdin_encoding);
Py_XDECREF(stdout_encoding);
Py_XDECREF(stdin_errors);
Py_XDECREF(stdout_errors);
Py_XDECREF(po);
if (tty)
return NULL;
PyErr_Clear();
}
/* Fallback if we're not interactive */
if (prompt != NULL) {
if (PyFile_WriteObject(prompt, fout, Py_PRINT_RAW) != 0)
return NULL;
}
tmp = _PyObject_CallMethodIdNoArgs(fout, &PyId_flush);
if (tmp == NULL)
PyErr_Clear();
else
Py_DECREF(tmp);
return PyFile_GetLine(fin, -1);
}
/*[clinic input]
repr as builtin_repr
obj: object
/
Return the canonical string representation of the object.
For many object types, including most builtins, eval(repr(obj)) == obj.
[clinic start generated code]*/
static PyObject *
builtin_repr(PyObject *module, PyObject *obj)
/*[clinic end generated code: output=7ed3778c44fd0194 input=1c9e6d66d3e3be04]*/
{
return PyObject_Repr(obj);
}
/*[clinic input]
round as builtin_round
number: object
ndigits: object = None
Round a number to a given precision in decimal digits.
The return value is an integer if ndigits is omitted or None. Otherwise
the return value has the same type as the number. ndigits may be negative.
[clinic start generated code]*/
static PyObject *
builtin_round_impl(PyObject *module, PyObject *number, PyObject *ndigits)
/*[clinic end generated code: output=ff0d9dd176c02ede input=275678471d7aca15]*/
{
PyObject *round, *result;
if (Py_TYPE(number)->tp_dict == NULL) {
if (PyType_Ready(Py_TYPE(number)) < 0)
return NULL;
}
round = _PyObject_LookupSpecial(number, &PyId___round__);
if (round == NULL) {
if (!PyErr_Occurred())
PyErr_Format(PyExc_TypeError,
"type %.100s doesn't define __round__ method",
Py_TYPE(number)->tp_name);
return NULL;
}
if (ndigits == Py_None)
result = _PyObject_CallNoArg(round);
else
result = PyObject_CallOneArg(round, ndigits);
Py_DECREF(round);
return result;
}
/*AC: we need to keep the kwds dict intact to easily call into the
* list.sort method, which isn't currently supported in AC. So we just use
* the initially generated signature with a custom implementation.
*/
/* [disabled clinic input]
sorted as builtin_sorted
iterable as seq: object
key as keyfunc: object = None
reverse: object = False
Return a new list containing all items from the iterable in ascending order.
A custom key function can be supplied to customize the sort order, and the
reverse flag can be set to request the result in descending order.
[end disabled clinic input]*/
PyDoc_STRVAR(builtin_sorted__doc__,
"sorted($module, iterable, /, *, key=None, reverse=False)\n"
"--\n"
"\n"
"Return a new list containing all items from the iterable in ascending order.\n"
"\n"
"A custom key function can be supplied to customize the sort order, and the\n"
"reverse flag can be set to request the result in descending order.");
#define BUILTIN_SORTED_METHODDEF \
{"sorted", (PyCFunction)(void(*)(void))builtin_sorted, METH_FASTCALL | METH_KEYWORDS, builtin_sorted__doc__},
static PyObject *
builtin_sorted(PyObject *self, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
{
PyObject *newlist, *v, *seq, *callable;
/* Keyword arguments are passed through list.sort() which will check
them. */
if (!_PyArg_UnpackStack(args, nargs, "sorted", 1, 1, &seq))
return NULL;
newlist = PySequence_List(seq);
if (newlist == NULL)
return NULL;
callable = _PyObject_GetAttrId(newlist, &PyId_sort);
if (callable == NULL) {
Py_DECREF(newlist);
return NULL;
}
assert(nargs >= 1);
v = PyObject_Vectorcall(callable, args + 1, nargs - 1, kwnames);
Py_DECREF(callable);
if (v == NULL) {
Py_DECREF(newlist);
return NULL;
}
Py_DECREF(v);
return newlist;
}
/* AC: cannot convert yet, as needs PEP 457 group support in inspect */
static PyObject *
builtin_vars(PyObject *self, PyObject *args)
{
PyObject *v = NULL;
PyObject *d;
if (!PyArg_UnpackTuple(args, "vars", 0, 1, &v))
return NULL;
if (v == NULL) {
d = PyEval_GetLocals();
Py_XINCREF(d);
}
else {
if (_PyObject_LookupAttrId(v, &PyId___dict__, &d) == 0) {
PyErr_SetString(PyExc_TypeError,
"vars() argument must have __dict__ attribute");
}
}
return d;
}
PyDoc_STRVAR(vars_doc,
"vars([object]) -> dictionary\n\
\n\
Without arguments, equivalent to locals().\n\
With an argument, equivalent to object.__dict__.");
/*[clinic input]
sum as builtin_sum
iterable: object
/
start: object(c_default="NULL") = 0
Return the sum of a 'start' value (default: 0) plus an iterable of numbers
When the iterable is empty, return the start value.
This function is intended specifically for use with numeric values and may
reject non-numeric types.
[clinic start generated code]*/
static PyObject *
builtin_sum_impl(PyObject *module, PyObject *iterable, PyObject *start)
/*[clinic end generated code: output=df758cec7d1d302f input=162b50765250d222]*/
{
PyObject *result = start;
PyObject *temp, *item, *iter;
iter = PyObject_GetIter(iterable);
if (iter == NULL)
return NULL;
if (result == NULL) {
result = PyLong_FromLong(0);
if (result == NULL) {
Py_DECREF(iter);
return NULL;
}
} else {
/* reject string values for 'start' parameter */
if (PyUnicode_Check(result)) {
PyErr_SetString(PyExc_TypeError,
"sum() can't sum strings [use ''.join(seq) instead]");
Py_DECREF(iter);
return NULL;
}
if (PyBytes_Check(result)) {
PyErr_SetString(PyExc_TypeError,
"sum() can't sum bytes [use b''.join(seq) instead]");
Py_DECREF(iter);
return NULL;
}
if (PyByteArray_Check(result)) {
PyErr_SetString(PyExc_TypeError,
"sum() can't sum bytearray [use b''.join(seq) instead]");
Py_DECREF(iter);
return NULL;
}
Py_INCREF(result);
}
#ifndef SLOW_SUM
/* Fast addition by keeping temporary sums in C instead of new Python objects.
Assumes all inputs are the same type. If the assumption fails, default
to the more general routine.
*/
if (PyLong_CheckExact(result)) {
int overflow;
long i_result = PyLong_AsLongAndOverflow(result, &overflow);
/* If this already overflowed, don't even enter the loop. */
if (overflow == 0) {
Py_DECREF(result);
result = NULL;
}
while(result == NULL) {
item = PyIter_Next(iter);
if (item == NULL) {
Py_DECREF(iter);
if (PyErr_Occurred())
return NULL;
return PyLong_FromLong(i_result);
}
if (PyLong_CheckExact(item) || PyBool_Check(item)) {
long b = PyLong_AsLongAndOverflow(item, &overflow);
if (overflow == 0 &&
(i_result >= 0 ? (b <= LONG_MAX - i_result)
: (b >= LONG_MIN - i_result)))
{
i_result += b;
Py_DECREF(item);
continue;
}
}
/* Either overflowed or is not an int. Restore real objects and process normally */
result = PyLong_FromLong(i_result);
if (result == NULL) {
Py_DECREF(item);
Py_DECREF(iter);
return NULL;
}
temp = PyNumber_Add(result, item);
Py_DECREF(result);
Py_DECREF(item);
result = temp;
if (result == NULL) {
Py_DECREF(iter);
return NULL;
}
}
}
if (PyFloat_CheckExact(result)) {
double f_result = PyFloat_AS_DOUBLE(result);
Py_DECREF(result);
result = NULL;
while(result == NULL) {
item = PyIter_Next(iter);
if (item == NULL) {
Py_DECREF(iter);
if (PyErr_Occurred())
return NULL;
return PyFloat_FromDouble(f_result);
}
if (PyFloat_CheckExact(item)) {
f_result += PyFloat_AS_DOUBLE(item);
Py_DECREF(item);
continue;
}
if (PyLong_Check(item)) {
long value;
int overflow;
value = PyLong_AsLongAndOverflow(item, &overflow);
if (!overflow) {
f_result += (double)value;
Py_DECREF(item);
continue;
}
}
result = PyFloat_FromDouble(f_result);
if (result == NULL) {
Py_DECREF(item);
Py_DECREF(iter);
return NULL;
}
temp = PyNumber_Add(result, item);
Py_DECREF(result);
Py_DECREF(item);
result = temp;
if (result == NULL) {
Py_DECREF(iter);
return NULL;
}
}
}
#endif
for(;;) {
item = PyIter_Next(iter);
if (item == NULL) {
/* error, or end-of-sequence */
if (PyErr_Occurred()) {
Py_DECREF(result);
result = NULL;
}
break;
}
/* It's tempting to use PyNumber_InPlaceAdd instead of
PyNumber_Add here, to avoid quadratic running time
when doing 'sum(list_of_lists, [])'. However, this
would produce a change in behaviour: a snippet like
empty = []
sum([[x] for x in range(10)], empty)
would change the value of empty. In fact, using
in-place addition rather that binary addition for
any of the steps introduces subtle behavior changes:
https://bugs.python.org/issue18305 */
temp = PyNumber_Add(result, item);
Py_DECREF(result);
Py_DECREF(item);
result = temp;
if (result == NULL)
break;
}
Py_DECREF(iter);
return result;
}
/*[clinic input]
isinstance as builtin_isinstance
obj: object
class_or_tuple: object
/
Return whether an object is an instance of a class or of a subclass thereof.
A tuple, as in ``isinstance(x, (A, B, ...))``, may be given as the target to
check against. This is equivalent to ``isinstance(x, A) or isinstance(x, B)
or ...`` etc.
[clinic start generated code]*/
static PyObject *
builtin_isinstance_impl(PyObject *module, PyObject *obj,
PyObject *class_or_tuple)
/*[clinic end generated code: output=6faf01472c13b003 input=ffa743db1daf7549]*/
{
int retval;
retval = PyObject_IsInstance(obj, class_or_tuple);
if (retval < 0)
return NULL;
return PyBool_FromLong(retval);
}
/*[clinic input]
issubclass as builtin_issubclass
cls: object
class_or_tuple: object
/
Return whether 'cls' is derived from another class or is the same class.
A tuple, as in ``issubclass(x, (A, B, ...))``, may be given as the target to
check against. This is equivalent to ``issubclass(x, A) or issubclass(x, B)
or ...``.
[clinic start generated code]*/
static PyObject *
builtin_issubclass_impl(PyObject *module, PyObject *cls,
PyObject *class_or_tuple)
/*[clinic end generated code: output=358412410cd7a250 input=a24b9f3d58c370d6]*/
{
int retval;
retval = PyObject_IsSubclass(cls, class_or_tuple);
if (retval < 0)
return NULL;
return PyBool_FromLong(retval);
}
typedef struct {
PyObject_HEAD
Py_ssize_t tuplesize;
PyObject *ittuple; /* tuple of iterators */
PyObject *result;
int strict;
} zipobject;
static PyObject *
zip_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
{
zipobject *lz;
Py_ssize_t i;
PyObject *ittuple; /* tuple of iterators */
PyObject *result;
Py_ssize_t tuplesize;
int strict = 0;
if (kwds) {
PyObject *empty = PyTuple_New(0);
if (empty == NULL) {
return NULL;
}
static char *kwlist[] = {"strict", NULL};
int parsed = PyArg_ParseTupleAndKeywords(
empty, kwds, "|$p:zip", kwlist, &strict);
Py_DECREF(empty);
if (!parsed) {
return NULL;
}
}
/* args must be a tuple */
assert(PyTuple_Check(args));
tuplesize = PyTuple_GET_SIZE(args);
/* obtain iterators */
ittuple = PyTuple_New(tuplesize);
if (ittuple == NULL)
return NULL;
for (i=0; i < tuplesize; ++i) {
PyObject *item = PyTuple_GET_ITEM(args, i);
PyObject *it = PyObject_GetIter(item);
if (it == NULL) {
Py_DECREF(ittuple);
return NULL;
}
PyTuple_SET_ITEM(ittuple, i, it);
}
/* create a result holder */
result = PyTuple_New(tuplesize);
if (result == NULL) {
Py_DECREF(ittuple);
return NULL;
}
for (i=0 ; i < tuplesize ; i++) {
Py_INCREF(Py_None);
PyTuple_SET_ITEM(result, i, Py_None);
}
/* create zipobject structure */
lz = (zipobject *)type->tp_alloc(type, 0);
if (lz == NULL) {
Py_DECREF(ittuple);
Py_DECREF(result);
return NULL;
}
lz->ittuple = ittuple;
lz->tuplesize = tuplesize;
lz->result = result;
lz->strict = strict;
return (PyObject *)lz;
}
static void
zip_dealloc(zipobject *lz)
{
PyObject_GC_UnTrack(lz);
Py_XDECREF(lz->ittuple);
Py_XDECREF(lz->result);
Py_TYPE(lz)->tp_free(lz);
}
static int
zip_traverse(zipobject *lz, visitproc visit, void *arg)
{
Py_VISIT(lz->ittuple);
Py_VISIT(lz->result);
return 0;
}
static PyObject *
zip_next(zipobject *lz)
{
Py_ssize_t i;
Py_ssize_t tuplesize = lz->tuplesize;
PyObject *result = lz->result;
PyObject *it;
PyObject *item;
PyObject *olditem;
if (tuplesize == 0)
return NULL;
if (Py_REFCNT(result) == 1) {
Py_INCREF(result);
for (i=0 ; i < tuplesize ; i++) {
it = PyTuple_GET_ITEM(lz->ittuple, i);
item = (*Py_TYPE(it)->tp_iternext)(it);
if (item == NULL) {
Py_DECREF(result);
if (lz->strict) {
goto check;
}
return NULL;
}
olditem = PyTuple_GET_ITEM(result, i);
PyTuple_SET_ITEM(result, i, item);
Py_DECREF(olditem);
}
} else {
result = PyTuple_New(tuplesize);
if (result == NULL)
return NULL;
for (i=0 ; i < tuplesize ; i++) {
it = PyTuple_GET_ITEM(lz->ittuple, i);
item = (*Py_TYPE(it)->tp_iternext)(it);
if (item == NULL) {
Py_DECREF(result);
if (lz->strict) {
goto check;
}
return NULL;
}
PyTuple_SET_ITEM(result, i, item);
}
}
return result;
check:
if (PyErr_Occurred()) {
if (!PyErr_ExceptionMatches(PyExc_StopIteration)) {
// next() on argument i raised an exception (not StopIteration)
return NULL;
}
PyErr_Clear();
}
if (i) {
// ValueError: zip() argument 2 is shorter than argument 1
// ValueError: zip() argument 3 is shorter than arguments 1-2
const char* plural = i == 1 ? " " : "s 1-";
return PyErr_Format(PyExc_ValueError,
"zip() argument %d is shorter than argument%s%d",
i + 1, plural, i);
}
for (i = 1; i < tuplesize; i++) {
it = PyTuple_GET_ITEM(lz->ittuple, i);
item = (*Py_TYPE(it)->tp_iternext)(it);
if (item) {
Py_DECREF(item);
const char* plural = i == 1 ? " " : "s 1-";
return PyErr_Format(PyExc_ValueError,
"zip() argument %d is longer than argument%s%d",
i + 1, plural, i);
}
if (PyErr_Occurred()) {
if (!PyErr_ExceptionMatches(PyExc_StopIteration)) {
// next() on argument i raised an exception (not StopIteration)
return NULL;
}
PyErr_Clear();
}
// Argument i is exhausted. So far so good...
}
// All arguments are exhausted. Success!
return NULL;
}
static PyObject *
zip_reduce(zipobject *lz, PyObject *Py_UNUSED(ignored))
{
/* Just recreate the zip with the internal iterator tuple */
if (lz->strict) {
return PyTuple_Pack(3, Py_TYPE(lz), lz->ittuple, Py_True);
}
return PyTuple_Pack(2, Py_TYPE(lz), lz->ittuple);
}
PyDoc_STRVAR(setstate_doc, "Set state information for unpickling.");
static PyObject *
zip_setstate(zipobject *lz, PyObject *state)
{
int strict = PyObject_IsTrue(state);
if (strict < 0) {
return NULL;
}
lz->strict = strict;
Py_RETURN_NONE;
}
static PyMethodDef zip_methods[] = {
{"__reduce__", (PyCFunction)zip_reduce, METH_NOARGS, reduce_doc},
{"__setstate__", (PyCFunction)zip_setstate, METH_O, setstate_doc},
{NULL} /* sentinel */
};
PyDoc_STRVAR(zip_doc,
"zip(*iterables, strict=False) --> Yield tuples until an input is exhausted.\n\
\n\
>>> list(zip('abcdefg', range(3), range(4)))\n\
[('a', 0, 0), ('b', 1, 1), ('c', 2, 2)]\n\
\n\
The zip object yields n-length tuples, where n is the number of iterables\n\
passed as positional arguments to zip(). The i-th element in every tuple\n\
comes from the i-th iterable argument to zip(). This continues until the\n\
shortest argument is exhausted.\n\
\n\
If strict is true and one of the arguments is exhausted before the others,\n\
raise a ValueError.");
PyTypeObject PyZip_Type = {
PyVarObject_HEAD_INIT(&PyType_Type, 0)
"zip", /* tp_name */
sizeof(zipobject), /* tp_basicsize */
0, /* tp_itemsize */
/* methods */
(destructor)zip_dealloc, /* tp_dealloc */
0, /* tp_vectorcall_offset */
0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_as_async */
0, /* tp_repr */
0, /* tp_as_number */
0, /* tp_as_sequence */
0, /* tp_as_mapping */
0, /* tp_hash */
0, /* tp_call */
0, /* tp_str */
PyObject_GenericGetAttr, /* tp_getattro */
0, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
Py_TPFLAGS_BASETYPE, /* tp_flags */
zip_doc, /* tp_doc */
(traverseproc)zip_traverse, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
PyObject_SelfIter, /* tp_iter */
(iternextfunc)zip_next, /* tp_iternext */
zip_methods, /* tp_methods */
0, /* tp_members */
0, /* tp_getset */
0, /* tp_base */
0, /* tp_dict */
0, /* tp_descr_get */
0, /* tp_descr_set */
0, /* tp_dictoffset */
0, /* tp_init */
PyType_GenericAlloc, /* tp_alloc */
zip_new, /* tp_new */
PyObject_GC_Del, /* tp_free */
};
static PyMethodDef builtin_methods[] = {
{"__build_class__", (PyCFunction)(void(*)(void))builtin___build_class__,
METH_FASTCALL | METH_KEYWORDS, build_class_doc},
{"__import__", (PyCFunction)(void(*)(void))builtin___import__, METH_VARARGS | METH_KEYWORDS, import_doc},
BUILTIN_ABS_METHODDEF
BUILTIN_ALL_METHODDEF
BUILTIN_ANY_METHODDEF
BUILTIN_ASCII_METHODDEF
BUILTIN_BIN_METHODDEF
{"breakpoint", (PyCFunction)(void(*)(void))builtin_breakpoint, METH_FASTCALL | METH_KEYWORDS, breakpoint_doc},
BUILTIN_CALLABLE_METHODDEF
BUILTIN_CHR_METHODDEF
BUILTIN_COMPILE_METHODDEF
BUILTIN_DELATTR_METHODDEF
{"dir", builtin_dir, METH_VARARGS, dir_doc},
BUILTIN_DIVMOD_METHODDEF
BUILTIN_EVAL_METHODDEF
BUILTIN_EXEC_METHODDEF
BUILTIN_FORMAT_METHODDEF
{"getattr", (PyCFunction)(void(*)(void))builtin_getattr, METH_FASTCALL, getattr_doc},
BUILTIN_GLOBALS_METHODDEF
BUILTIN_HASATTR_METHODDEF
BUILTIN_HASH_METHODDEF
BUILTIN_HEX_METHODDEF
BUILTIN_ID_METHODDEF
BUILTIN_INPUT_METHODDEF
BUILTIN_ISINSTANCE_METHODDEF
BUILTIN_ISSUBCLASS_METHODDEF
{"iter", (PyCFunction)(void(*)(void))builtin_iter, METH_FASTCALL, iter_doc},
BUILTIN_LEN_METHODDEF
BUILTIN_LOCALS_METHODDEF
{"max", (PyCFunction)(void(*)(void))builtin_max, METH_VARARGS | METH_KEYWORDS, max_doc},
{"min", (PyCFunction)(void(*)(void))builtin_min, METH_VARARGS | METH_KEYWORDS, min_doc},
{"next", (PyCFunction)(void(*)(void))builtin_next, METH_FASTCALL, next_doc},
BUILTIN_OCT_METHODDEF
BUILTIN_ORD_METHODDEF
BUILTIN_POW_METHODDEF
{"print", (PyCFunction)(void(*)(void))builtin_print, METH_FASTCALL | METH_KEYWORDS, print_doc},
BUILTIN_REPR_METHODDEF
BUILTIN_ROUND_METHODDEF
BUILTIN_SETATTR_METHODDEF
BUILTIN_SORTED_METHODDEF
BUILTIN_SUM_METHODDEF
{"vars", builtin_vars, METH_VARARGS, vars_doc},
{NULL, NULL},
};
PyDoc_STRVAR(builtin_doc,
"Built-in functions, exceptions, and other objects.\n\
\n\
Noteworthy: None is the `nil' object; Ellipsis represents `...' in slices.");
static struct PyModuleDef builtinsmodule = {
PyModuleDef_HEAD_INIT,
"builtins",
builtin_doc,
-1, /* multiple "initialization" just copies the module dict. */
builtin_methods,
NULL,
NULL,
NULL,
NULL
};
PyObject *
_PyBuiltin_Init(PyThreadState *tstate)
{
PyObject *mod, *dict, *debug;
const PyConfig *config = _PyInterpreterState_GetConfig(tstate->interp);
if (PyType_Ready(&PyFilter_Type) < 0 ||
PyType_Ready(&PyMap_Type) < 0 ||
PyType_Ready(&PyZip_Type) < 0)
return NULL;
mod = _PyModule_CreateInitialized(&builtinsmodule, PYTHON_API_VERSION);
if (mod == NULL)
return NULL;
dict = PyModule_GetDict(mod);
#ifdef Py_TRACE_REFS
/* "builtins" exposes a number of statically allocated objects
* that, before this code was added in 2.3, never showed up in
* the list of "all objects" maintained by Py_TRACE_REFS. As a
* result, programs leaking references to None and False (etc)
* couldn't be diagnosed by examining sys.getobjects(0).
*/
#define ADD_TO_ALL(OBJECT) _Py_AddToAllObjects((PyObject *)(OBJECT), 0)
#else
#define ADD_TO_ALL(OBJECT) (void)0
#endif
#define SETBUILTIN(NAME, OBJECT) \
if (PyDict_SetItemString(dict, NAME, (PyObject *)OBJECT) < 0) \
return NULL; \
ADD_TO_ALL(OBJECT)
SETBUILTIN("None", Py_None);
SETBUILTIN("Ellipsis", Py_Ellipsis);
SETBUILTIN("NotImplemented", Py_NotImplemented);
SETBUILTIN("False", Py_False);
SETBUILTIN("True", Py_True);
SETBUILTIN("bool", &PyBool_Type);
SETBUILTIN("memoryview", &PyMemoryView_Type);
SETBUILTIN("bytearray", &PyByteArray_Type);
SETBUILTIN("bytes", &PyBytes_Type);
SETBUILTIN("classmethod", &PyClassMethod_Type);
SETBUILTIN("complex", &PyComplex_Type);
SETBUILTIN("dict", &PyDict_Type);
SETBUILTIN("enumerate", &PyEnum_Type);
SETBUILTIN("filter", &PyFilter_Type);
SETBUILTIN("float", &PyFloat_Type);
SETBUILTIN("frozenset", &PyFrozenSet_Type);
SETBUILTIN("property", &PyProperty_Type);
SETBUILTIN("int", &PyLong_Type);
SETBUILTIN("list", &PyList_Type);
SETBUILTIN("map", &PyMap_Type);
SETBUILTIN("object", &PyBaseObject_Type);
SETBUILTIN("range", &PyRange_Type);
SETBUILTIN("reversed", &PyReversed_Type);
SETBUILTIN("set", &PySet_Type);
SETBUILTIN("slice", &PySlice_Type);
SETBUILTIN("staticmethod", &PyStaticMethod_Type);
SETBUILTIN("str", &PyUnicode_Type);
SETBUILTIN("super", &PySuper_Type);
SETBUILTIN("tuple", &PyTuple_Type);
SETBUILTIN("type", &PyType_Type);
SETBUILTIN("zip", &PyZip_Type);
debug = PyBool_FromLong(config->optimization_level == 0);
if (PyDict_SetItemString(dict, "__debug__", debug) < 0) {
Py_DECREF(debug);
return NULL;
}
Py_DECREF(debug);
return mod;
#undef ADD_TO_ALL
#undef SETBUILTIN
}
|