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
|
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>pathlib — pymatgen 2020.7.3 documentation</title>
<link rel="stylesheet" href="../_static/basic.css" type="text/css" />
<link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
<script id="documentation_options" data-url_root="../" src="../_static/documentation_options.js"></script>
<script src="../_static/jquery.js"></script>
<script src="../_static/underscore.js"></script>
<script src="../_static/doctools.js"></script>
<script src="../_static/language_data.js"></script>
<script async="async" src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.7/latest.js?config=TeX-AMS-MML_HTMLorMML"></script>
<link rel="index" title="Index" href="../genindex.html" />
<link rel="search" title="Search" href="../search.html" />
<script type="text/javascript">
var _gaq = _gaq || [];
_gaq.push(['_setAccount', 'UA-33990148-1']);
_gaq.push(['_trackPageview']);
</script>
</head><body>
<div class="related" role="navigation" aria-label="related navigation">
<h3>Navigation</h3>
<ul>
<li class="right" style="margin-right: 10px">
<a href="../genindex.html" title="General Index"
accesskey="I">index</a></li>
<li class="right" >
<a href="../py-modindex.html" title="Python Module Index"
>modules</a> |</li>
<li class="nav-item nav-item-0"><a href="../index.html">pymatgen 2020.7.3 documentation</a> »</li>
<li class="nav-item nav-item-1"><a href="index.html" accesskey="U">Module code</a> »</li>
<li class="nav-item nav-item-this"><a href="">pathlib</a></li>
</ul>
</div>
<div class="document">
<div class="documentwrapper">
<div class="body" role="main">
<h1>Source code for pathlib</h1><div class="highlight"><pre>
<span></span><span class="kn">import</span> <span class="nn">fnmatch</span>
<span class="kn">import</span> <span class="nn">functools</span>
<span class="kn">import</span> <span class="nn">io</span>
<span class="kn">import</span> <span class="nn">ntpath</span>
<span class="kn">import</span> <span class="nn">os</span>
<span class="kn">import</span> <span class="nn">posixpath</span>
<span class="kn">import</span> <span class="nn">re</span>
<span class="kn">import</span> <span class="nn">sys</span>
<span class="kn">from</span> <span class="nn">_collections_abc</span> <span class="kn">import</span> <span class="n">Sequence</span>
<span class="kn">from</span> <span class="nn">errno</span> <span class="kn">import</span> <span class="n">EINVAL</span><span class="p">,</span> <span class="n">ENOENT</span><span class="p">,</span> <span class="n">ENOTDIR</span><span class="p">,</span> <span class="n">EBADF</span><span class="p">,</span> <span class="n">ELOOP</span>
<span class="kn">from</span> <span class="nn">operator</span> <span class="kn">import</span> <span class="n">attrgetter</span>
<span class="kn">from</span> <span class="nn">stat</span> <span class="kn">import</span> <span class="n">S_ISDIR</span><span class="p">,</span> <span class="n">S_ISLNK</span><span class="p">,</span> <span class="n">S_ISREG</span><span class="p">,</span> <span class="n">S_ISSOCK</span><span class="p">,</span> <span class="n">S_ISBLK</span><span class="p">,</span> <span class="n">S_ISCHR</span><span class="p">,</span> <span class="n">S_ISFIFO</span>
<span class="kn">from</span> <span class="nn">urllib.parse</span> <span class="kn">import</span> <span class="n">quote_from_bytes</span> <span class="k">as</span> <span class="n">urlquote_from_bytes</span>
<span class="n">supports_symlinks</span> <span class="o">=</span> <span class="kc">True</span>
<span class="k">if</span> <span class="n">os</span><span class="o">.</span><span class="n">name</span> <span class="o">==</span> <span class="s1">'nt'</span><span class="p">:</span>
<span class="kn">import</span> <span class="nn">nt</span>
<span class="k">if</span> <span class="n">sys</span><span class="o">.</span><span class="n">getwindowsversion</span><span class="p">()[:</span><span class="mi">2</span><span class="p">]</span> <span class="o">>=</span> <span class="p">(</span><span class="mi">6</span><span class="p">,</span> <span class="mi">0</span><span class="p">):</span>
<span class="kn">from</span> <span class="nn">nt</span> <span class="kn">import</span> <span class="n">_getfinalpathname</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">supports_symlinks</span> <span class="o">=</span> <span class="kc">False</span>
<span class="n">_getfinalpathname</span> <span class="o">=</span> <span class="kc">None</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">nt</span> <span class="o">=</span> <span class="kc">None</span>
<span class="n">__all__</span> <span class="o">=</span> <span class="p">[</span>
<span class="s2">"PurePath"</span><span class="p">,</span> <span class="s2">"PurePosixPath"</span><span class="p">,</span> <span class="s2">"PureWindowsPath"</span><span class="p">,</span>
<span class="s2">"Path"</span><span class="p">,</span> <span class="s2">"PosixPath"</span><span class="p">,</span> <span class="s2">"WindowsPath"</span><span class="p">,</span>
<span class="p">]</span>
<span class="c1">#</span>
<span class="c1"># Internals</span>
<span class="c1">#</span>
<span class="c1"># EBADF - guard against macOS `stat` throwing EBADF</span>
<span class="n">_IGNORED_ERROS</span> <span class="o">=</span> <span class="p">(</span><span class="n">ENOENT</span><span class="p">,</span> <span class="n">ENOTDIR</span><span class="p">,</span> <span class="n">EBADF</span><span class="p">,</span> <span class="n">ELOOP</span><span class="p">)</span>
<span class="n">_IGNORED_WINERRORS</span> <span class="o">=</span> <span class="p">(</span>
<span class="mi">21</span><span class="p">,</span> <span class="c1"># ERROR_NOT_READY - drive exists but is not accessible</span>
<span class="mi">1921</span><span class="p">,</span> <span class="c1"># ERROR_CANT_RESOLVE_FILENAME - fix for broken symlink pointing to itself</span>
<span class="p">)</span>
<span class="k">def</span> <span class="nf">_ignore_error</span><span class="p">(</span><span class="n">exception</span><span class="p">):</span>
<span class="k">return</span> <span class="p">(</span><span class="nb">getattr</span><span class="p">(</span><span class="n">exception</span><span class="p">,</span> <span class="s1">'errno'</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> <span class="ow">in</span> <span class="n">_IGNORED_ERROS</span> <span class="ow">or</span>
<span class="nb">getattr</span><span class="p">(</span><span class="n">exception</span><span class="p">,</span> <span class="s1">'winerror'</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> <span class="ow">in</span> <span class="n">_IGNORED_WINERRORS</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">_is_wildcard_pattern</span><span class="p">(</span><span class="n">pat</span><span class="p">):</span>
<span class="c1"># Whether this pattern needs actual matching using fnmatch, or can</span>
<span class="c1"># be looked up directly as a file.</span>
<span class="k">return</span> <span class="s2">"*"</span> <span class="ow">in</span> <span class="n">pat</span> <span class="ow">or</span> <span class="s2">"?"</span> <span class="ow">in</span> <span class="n">pat</span> <span class="ow">or</span> <span class="s2">"["</span> <span class="ow">in</span> <span class="n">pat</span>
<span class="k">class</span> <span class="nc">_Flavour</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span>
<span class="sd">"""A flavour implements a particular (platform-specific) set of path</span>
<span class="sd"> semantics."""</span>
<span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">join</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sep</span><span class="o">.</span><span class="n">join</span>
<span class="k">def</span> <span class="nf">parse_parts</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">parts</span><span class="p">):</span>
<span class="n">parsed</span> <span class="o">=</span> <span class="p">[]</span>
<span class="n">sep</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sep</span>
<span class="n">altsep</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">altsep</span>
<span class="n">drv</span> <span class="o">=</span> <span class="n">root</span> <span class="o">=</span> <span class="s1">''</span>
<span class="n">it</span> <span class="o">=</span> <span class="nb">reversed</span><span class="p">(</span><span class="n">parts</span><span class="p">)</span>
<span class="k">for</span> <span class="n">part</span> <span class="ow">in</span> <span class="n">it</span><span class="p">:</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">part</span><span class="p">:</span>
<span class="k">continue</span>
<span class="k">if</span> <span class="n">altsep</span><span class="p">:</span>
<span class="n">part</span> <span class="o">=</span> <span class="n">part</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">altsep</span><span class="p">,</span> <span class="n">sep</span><span class="p">)</span>
<span class="n">drv</span><span class="p">,</span> <span class="n">root</span><span class="p">,</span> <span class="n">rel</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">splitroot</span><span class="p">(</span><span class="n">part</span><span class="p">)</span>
<span class="k">if</span> <span class="n">sep</span> <span class="ow">in</span> <span class="n">rel</span><span class="p">:</span>
<span class="k">for</span> <span class="n">x</span> <span class="ow">in</span> <span class="nb">reversed</span><span class="p">(</span><span class="n">rel</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="n">sep</span><span class="p">)):</span>
<span class="k">if</span> <span class="n">x</span> <span class="ow">and</span> <span class="n">x</span> <span class="o">!=</span> <span class="s1">'.'</span><span class="p">:</span>
<span class="n">parsed</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">sys</span><span class="o">.</span><span class="n">intern</span><span class="p">(</span><span class="n">x</span><span class="p">))</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">if</span> <span class="n">rel</span> <span class="ow">and</span> <span class="n">rel</span> <span class="o">!=</span> <span class="s1">'.'</span><span class="p">:</span>
<span class="n">parsed</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">sys</span><span class="o">.</span><span class="n">intern</span><span class="p">(</span><span class="n">rel</span><span class="p">))</span>
<span class="k">if</span> <span class="n">drv</span> <span class="ow">or</span> <span class="n">root</span><span class="p">:</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">drv</span><span class="p">:</span>
<span class="c1"># If no drive is present, try to find one in the previous</span>
<span class="c1"># parts. This makes the result of parsing e.g.</span>
<span class="c1"># ("C:", "/", "a") reasonably intuitive.</span>
<span class="k">for</span> <span class="n">part</span> <span class="ow">in</span> <span class="n">it</span><span class="p">:</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">part</span><span class="p">:</span>
<span class="k">continue</span>
<span class="k">if</span> <span class="n">altsep</span><span class="p">:</span>
<span class="n">part</span> <span class="o">=</span> <span class="n">part</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">altsep</span><span class="p">,</span> <span class="n">sep</span><span class="p">)</span>
<span class="n">drv</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">splitroot</span><span class="p">(</span><span class="n">part</span><span class="p">)[</span><span class="mi">0</span><span class="p">]</span>
<span class="k">if</span> <span class="n">drv</span><span class="p">:</span>
<span class="k">break</span>
<span class="k">break</span>
<span class="k">if</span> <span class="n">drv</span> <span class="ow">or</span> <span class="n">root</span><span class="p">:</span>
<span class="n">parsed</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">drv</span> <span class="o">+</span> <span class="n">root</span><span class="p">)</span>
<span class="n">parsed</span><span class="o">.</span><span class="n">reverse</span><span class="p">()</span>
<span class="k">return</span> <span class="n">drv</span><span class="p">,</span> <span class="n">root</span><span class="p">,</span> <span class="n">parsed</span>
<span class="k">def</span> <span class="nf">join_parsed_parts</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">drv</span><span class="p">,</span> <span class="n">root</span><span class="p">,</span> <span class="n">parts</span><span class="p">,</span> <span class="n">drv2</span><span class="p">,</span> <span class="n">root2</span><span class="p">,</span> <span class="n">parts2</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Join the two paths represented by the respective</span>
<span class="sd"> (drive, root, parts) tuples. Return a new (drive, root, parts) tuple.</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="n">root2</span><span class="p">:</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">drv2</span> <span class="ow">and</span> <span class="n">drv</span><span class="p">:</span>
<span class="k">return</span> <span class="n">drv</span><span class="p">,</span> <span class="n">root2</span><span class="p">,</span> <span class="p">[</span><span class="n">drv</span> <span class="o">+</span> <span class="n">root2</span><span class="p">]</span> <span class="o">+</span> <span class="n">parts2</span><span class="p">[</span><span class="mi">1</span><span class="p">:]</span>
<span class="k">elif</span> <span class="n">drv2</span><span class="p">:</span>
<span class="k">if</span> <span class="n">drv2</span> <span class="o">==</span> <span class="n">drv</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">casefold</span><span class="p">(</span><span class="n">drv2</span><span class="p">)</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">casefold</span><span class="p">(</span><span class="n">drv</span><span class="p">):</span>
<span class="c1"># Same drive => second path is relative to the first</span>
<span class="k">return</span> <span class="n">drv</span><span class="p">,</span> <span class="n">root</span><span class="p">,</span> <span class="n">parts</span> <span class="o">+</span> <span class="n">parts2</span><span class="p">[</span><span class="mi">1</span><span class="p">:]</span>
<span class="k">else</span><span class="p">:</span>
<span class="c1"># Second path is non-anchored (common case)</span>
<span class="k">return</span> <span class="n">drv</span><span class="p">,</span> <span class="n">root</span><span class="p">,</span> <span class="n">parts</span> <span class="o">+</span> <span class="n">parts2</span>
<span class="k">return</span> <span class="n">drv2</span><span class="p">,</span> <span class="n">root2</span><span class="p">,</span> <span class="n">parts2</span>
<span class="k">class</span> <span class="nc">_WindowsFlavour</span><span class="p">(</span><span class="n">_Flavour</span><span class="p">):</span>
<span class="c1"># Reference for Windows paths can be found at</span>
<span class="c1"># http://msdn.microsoft.com/en-us/library/aa365247%28v=vs.85%29.aspx</span>
<span class="n">sep</span> <span class="o">=</span> <span class="s1">'</span><span class="se">\\</span><span class="s1">'</span>
<span class="n">altsep</span> <span class="o">=</span> <span class="s1">'/'</span>
<span class="n">has_drv</span> <span class="o">=</span> <span class="kc">True</span>
<span class="n">pathmod</span> <span class="o">=</span> <span class="n">ntpath</span>
<span class="n">is_supported</span> <span class="o">=</span> <span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">name</span> <span class="o">==</span> <span class="s1">'nt'</span><span class="p">)</span>
<span class="n">drive_letters</span> <span class="o">=</span> <span class="nb">set</span><span class="p">(</span><span class="s1">'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'</span><span class="p">)</span>
<span class="n">ext_namespace_prefix</span> <span class="o">=</span> <span class="s1">'</span><span class="se">\\\\</span><span class="s1">?</span><span class="se">\\</span><span class="s1">'</span>
<span class="n">reserved_names</span> <span class="o">=</span> <span class="p">(</span>
<span class="p">{</span><span class="s1">'CON'</span><span class="p">,</span> <span class="s1">'PRN'</span><span class="p">,</span> <span class="s1">'AUX'</span><span class="p">,</span> <span class="s1">'NUL'</span><span class="p">}</span> <span class="o">|</span>
<span class="p">{</span><span class="s1">'COM</span><span class="si">%d</span><span class="s1">'</span> <span class="o">%</span> <span class="n">i</span> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">10</span><span class="p">)}</span> <span class="o">|</span>
<span class="p">{</span><span class="s1">'LPT</span><span class="si">%d</span><span class="s1">'</span> <span class="o">%</span> <span class="n">i</span> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">10</span><span class="p">)}</span>
<span class="p">)</span>
<span class="c1"># Interesting findings about extended paths:</span>
<span class="c1"># - '\\?\c:\a', '//?/c:\a' and '//?/c:/a' are all supported</span>
<span class="c1"># but '\\?\c:/a' is not</span>
<span class="c1"># - extended paths are always absolute; "relative" extended paths will</span>
<span class="c1"># fail.</span>
<span class="k">def</span> <span class="nf">splitroot</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">part</span><span class="p">,</span> <span class="n">sep</span><span class="o">=</span><span class="n">sep</span><span class="p">):</span>
<span class="n">first</span> <span class="o">=</span> <span class="n">part</span><span class="p">[</span><span class="mi">0</span><span class="p">:</span><span class="mi">1</span><span class="p">]</span>
<span class="n">second</span> <span class="o">=</span> <span class="n">part</span><span class="p">[</span><span class="mi">1</span><span class="p">:</span><span class="mi">2</span><span class="p">]</span>
<span class="k">if</span> <span class="p">(</span><span class="n">second</span> <span class="o">==</span> <span class="n">sep</span> <span class="ow">and</span> <span class="n">first</span> <span class="o">==</span> <span class="n">sep</span><span class="p">):</span>
<span class="c1"># XXX extended paths should also disable the collapsing of "."</span>
<span class="c1"># components (according to MSDN docs).</span>
<span class="n">prefix</span><span class="p">,</span> <span class="n">part</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_split_extended_path</span><span class="p">(</span><span class="n">part</span><span class="p">)</span>
<span class="n">first</span> <span class="o">=</span> <span class="n">part</span><span class="p">[</span><span class="mi">0</span><span class="p">:</span><span class="mi">1</span><span class="p">]</span>
<span class="n">second</span> <span class="o">=</span> <span class="n">part</span><span class="p">[</span><span class="mi">1</span><span class="p">:</span><span class="mi">2</span><span class="p">]</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">prefix</span> <span class="o">=</span> <span class="s1">''</span>
<span class="n">third</span> <span class="o">=</span> <span class="n">part</span><span class="p">[</span><span class="mi">2</span><span class="p">:</span><span class="mi">3</span><span class="p">]</span>
<span class="k">if</span> <span class="p">(</span><span class="n">second</span> <span class="o">==</span> <span class="n">sep</span> <span class="ow">and</span> <span class="n">first</span> <span class="o">==</span> <span class="n">sep</span> <span class="ow">and</span> <span class="n">third</span> <span class="o">!=</span> <span class="n">sep</span><span class="p">):</span>
<span class="c1"># is a UNC path:</span>
<span class="c1"># vvvvvvvvvvvvvvvvvvvvv root</span>
<span class="c1"># \\machine\mountpoint\directory\etc\...</span>
<span class="c1"># directory ^^^^^^^^^^^^^^</span>
<span class="n">index</span> <span class="o">=</span> <span class="n">part</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">sep</span><span class="p">,</span> <span class="mi">2</span><span class="p">)</span>
<span class="k">if</span> <span class="n">index</span> <span class="o">!=</span> <span class="o">-</span><span class="mi">1</span><span class="p">:</span>
<span class="n">index2</span> <span class="o">=</span> <span class="n">part</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">sep</span><span class="p">,</span> <span class="n">index</span> <span class="o">+</span> <span class="mi">1</span><span class="p">)</span>
<span class="c1"># a UNC path can't have two slashes in a row</span>
<span class="c1"># (after the initial two)</span>
<span class="k">if</span> <span class="n">index2</span> <span class="o">!=</span> <span class="n">index</span> <span class="o">+</span> <span class="mi">1</span><span class="p">:</span>
<span class="k">if</span> <span class="n">index2</span> <span class="o">==</span> <span class="o">-</span><span class="mi">1</span><span class="p">:</span>
<span class="n">index2</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">part</span><span class="p">)</span>
<span class="k">if</span> <span class="n">prefix</span><span class="p">:</span>
<span class="k">return</span> <span class="n">prefix</span> <span class="o">+</span> <span class="n">part</span><span class="p">[</span><span class="mi">1</span><span class="p">:</span><span class="n">index2</span><span class="p">],</span> <span class="n">sep</span><span class="p">,</span> <span class="n">part</span><span class="p">[</span><span class="n">index2</span><span class="o">+</span><span class="mi">1</span><span class="p">:]</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">return</span> <span class="n">part</span><span class="p">[:</span><span class="n">index2</span><span class="p">],</span> <span class="n">sep</span><span class="p">,</span> <span class="n">part</span><span class="p">[</span><span class="n">index2</span><span class="o">+</span><span class="mi">1</span><span class="p">:]</span>
<span class="n">drv</span> <span class="o">=</span> <span class="n">root</span> <span class="o">=</span> <span class="s1">''</span>
<span class="k">if</span> <span class="n">second</span> <span class="o">==</span> <span class="s1">':'</span> <span class="ow">and</span> <span class="n">first</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">drive_letters</span><span class="p">:</span>
<span class="n">drv</span> <span class="o">=</span> <span class="n">part</span><span class="p">[:</span><span class="mi">2</span><span class="p">]</span>
<span class="n">part</span> <span class="o">=</span> <span class="n">part</span><span class="p">[</span><span class="mi">2</span><span class="p">:]</span>
<span class="n">first</span> <span class="o">=</span> <span class="n">third</span>
<span class="k">if</span> <span class="n">first</span> <span class="o">==</span> <span class="n">sep</span><span class="p">:</span>
<span class="n">root</span> <span class="o">=</span> <span class="n">first</span>
<span class="n">part</span> <span class="o">=</span> <span class="n">part</span><span class="o">.</span><span class="n">lstrip</span><span class="p">(</span><span class="n">sep</span><span class="p">)</span>
<span class="k">return</span> <span class="n">prefix</span> <span class="o">+</span> <span class="n">drv</span><span class="p">,</span> <span class="n">root</span><span class="p">,</span> <span class="n">part</span>
<span class="k">def</span> <span class="nf">casefold</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">s</span><span class="p">):</span>
<span class="k">return</span> <span class="n">s</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">casefold_parts</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">parts</span><span class="p">):</span>
<span class="k">return</span> <span class="p">[</span><span class="n">p</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> <span class="k">for</span> <span class="n">p</span> <span class="ow">in</span> <span class="n">parts</span><span class="p">]</span>
<span class="k">def</span> <span class="nf">compile_pattern</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">pattern</span><span class="p">):</span>
<span class="k">return</span> <span class="n">re</span><span class="o">.</span><span class="n">compile</span><span class="p">(</span><span class="n">fnmatch</span><span class="o">.</span><span class="n">translate</span><span class="p">(</span><span class="n">pattern</span><span class="p">),</span> <span class="n">re</span><span class="o">.</span><span class="n">IGNORECASE</span><span class="p">)</span><span class="o">.</span><span class="n">fullmatch</span>
<span class="k">def</span> <span class="nf">resolve</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">path</span><span class="p">,</span> <span class="n">strict</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
<span class="n">s</span> <span class="o">=</span> <span class="nb">str</span><span class="p">(</span><span class="n">path</span><span class="p">)</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">s</span><span class="p">:</span>
<span class="k">return</span> <span class="n">os</span><span class="o">.</span><span class="n">getcwd</span><span class="p">()</span>
<span class="n">previous_s</span> <span class="o">=</span> <span class="kc">None</span>
<span class="k">if</span> <span class="n">_getfinalpathname</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
<span class="k">if</span> <span class="n">strict</span><span class="p">:</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_ext_to_normal</span><span class="p">(</span><span class="n">_getfinalpathname</span><span class="p">(</span><span class="n">s</span><span class="p">))</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">tail_parts</span> <span class="o">=</span> <span class="p">[]</span> <span class="c1"># End of the path after the first one not found</span>
<span class="k">while</span> <span class="kc">True</span><span class="p">:</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">s</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_ext_to_normal</span><span class="p">(</span><span class="n">_getfinalpathname</span><span class="p">(</span><span class="n">s</span><span class="p">))</span>
<span class="k">except</span> <span class="ne">FileNotFoundError</span><span class="p">:</span>
<span class="n">previous_s</span> <span class="o">=</span> <span class="n">s</span>
<span class="n">s</span><span class="p">,</span> <span class="n">tail</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="n">s</span><span class="p">)</span>
<span class="n">tail_parts</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">tail</span><span class="p">)</span>
<span class="k">if</span> <span class="n">previous_s</span> <span class="o">==</span> <span class="n">s</span><span class="p">:</span>
<span class="k">return</span> <span class="n">path</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">return</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">s</span><span class="p">,</span> <span class="o">*</span><span class="nb">reversed</span><span class="p">(</span><span class="n">tail_parts</span><span class="p">))</span>
<span class="c1"># Means fallback on absolute</span>
<span class="k">return</span> <span class="kc">None</span>
<span class="k">def</span> <span class="nf">_split_extended_path</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">s</span><span class="p">,</span> <span class="n">ext_prefix</span><span class="o">=</span><span class="n">ext_namespace_prefix</span><span class="p">):</span>
<span class="n">prefix</span> <span class="o">=</span> <span class="s1">''</span>
<span class="k">if</span> <span class="n">s</span><span class="o">.</span><span class="n">startswith</span><span class="p">(</span><span class="n">ext_prefix</span><span class="p">):</span>
<span class="n">prefix</span> <span class="o">=</span> <span class="n">s</span><span class="p">[:</span><span class="mi">4</span><span class="p">]</span>
<span class="n">s</span> <span class="o">=</span> <span class="n">s</span><span class="p">[</span><span class="mi">4</span><span class="p">:]</span>
<span class="k">if</span> <span class="n">s</span><span class="o">.</span><span class="n">startswith</span><span class="p">(</span><span class="s1">'UNC</span><span class="se">\\</span><span class="s1">'</span><span class="p">):</span>
<span class="n">prefix</span> <span class="o">+=</span> <span class="n">s</span><span class="p">[:</span><span class="mi">3</span><span class="p">]</span>
<span class="n">s</span> <span class="o">=</span> <span class="s1">'</span><span class="se">\\</span><span class="s1">'</span> <span class="o">+</span> <span class="n">s</span><span class="p">[</span><span class="mi">3</span><span class="p">:]</span>
<span class="k">return</span> <span class="n">prefix</span><span class="p">,</span> <span class="n">s</span>
<span class="k">def</span> <span class="nf">_ext_to_normal</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">s</span><span class="p">):</span>
<span class="c1"># Turn back an extended path into a normal DOS-like path</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_split_extended_path</span><span class="p">(</span><span class="n">s</span><span class="p">)[</span><span class="mi">1</span><span class="p">]</span>
<span class="k">def</span> <span class="nf">is_reserved</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">parts</span><span class="p">):</span>
<span class="c1"># NOTE: the rules for reserved names seem somewhat complicated</span>
<span class="c1"># (e.g. r"..\NUL" is reserved but not r"foo\NUL").</span>
<span class="c1"># We err on the side of caution and return True for paths which are</span>
<span class="c1"># not considered reserved by Windows.</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">parts</span><span class="p">:</span>
<span class="k">return</span> <span class="kc">False</span>
<span class="k">if</span> <span class="n">parts</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">startswith</span><span class="p">(</span><span class="s1">'</span><span class="se">\\\\</span><span class="s1">'</span><span class="p">):</span>
<span class="c1"># UNC paths are never reserved</span>
<span class="k">return</span> <span class="kc">False</span>
<span class="k">return</span> <span class="n">parts</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">partition</span><span class="p">(</span><span class="s1">'.'</span><span class="p">)[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">reserved_names</span>
<span class="k">def</span> <span class="nf">make_uri</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">path</span><span class="p">):</span>
<span class="c1"># Under Windows, file URIs use the UTF-8 encoding.</span>
<span class="n">drive</span> <span class="o">=</span> <span class="n">path</span><span class="o">.</span><span class="n">drive</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">drive</span><span class="p">)</span> <span class="o">==</span> <span class="mi">2</span> <span class="ow">and</span> <span class="n">drive</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="o">==</span> <span class="s1">':'</span><span class="p">:</span>
<span class="c1"># It's a path on a local drive => 'file:///c:/a/b'</span>
<span class="n">rest</span> <span class="o">=</span> <span class="n">path</span><span class="o">.</span><span class="n">as_posix</span><span class="p">()[</span><span class="mi">2</span><span class="p">:]</span><span class="o">.</span><span class="n">lstrip</span><span class="p">(</span><span class="s1">'/'</span><span class="p">)</span>
<span class="k">return</span> <span class="s1">'file:///</span><span class="si">%s</span><span class="s1">/</span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="p">(</span>
<span class="n">drive</span><span class="p">,</span> <span class="n">urlquote_from_bytes</span><span class="p">(</span><span class="n">rest</span><span class="o">.</span><span class="n">encode</span><span class="p">(</span><span class="s1">'utf-8'</span><span class="p">)))</span>
<span class="k">else</span><span class="p">:</span>
<span class="c1"># It's a path on a network drive => 'file://host/share/a/b'</span>
<span class="k">return</span> <span class="s1">'file:'</span> <span class="o">+</span> <span class="n">urlquote_from_bytes</span><span class="p">(</span><span class="n">path</span><span class="o">.</span><span class="n">as_posix</span><span class="p">()</span><span class="o">.</span><span class="n">encode</span><span class="p">(</span><span class="s1">'utf-8'</span><span class="p">))</span>
<span class="k">def</span> <span class="nf">gethomedir</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">username</span><span class="p">):</span>
<span class="k">if</span> <span class="s1">'HOME'</span> <span class="ow">in</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="p">:</span>
<span class="n">userhome</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="p">[</span><span class="s1">'HOME'</span><span class="p">]</span>
<span class="k">elif</span> <span class="s1">'USERPROFILE'</span> <span class="ow">in</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="p">:</span>
<span class="n">userhome</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="p">[</span><span class="s1">'USERPROFILE'</span><span class="p">]</span>
<span class="k">elif</span> <span class="s1">'HOMEPATH'</span> <span class="ow">in</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="p">:</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">drv</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="p">[</span><span class="s1">'HOMEDRIVE'</span><span class="p">]</span>
<span class="k">except</span> <span class="ne">KeyError</span><span class="p">:</span>
<span class="n">drv</span> <span class="o">=</span> <span class="s1">''</span>
<span class="n">userhome</span> <span class="o">=</span> <span class="n">drv</span> <span class="o">+</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="p">[</span><span class="s1">'HOMEPATH'</span><span class="p">]</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">(</span><span class="s2">"Can't determine home directory"</span><span class="p">)</span>
<span class="k">if</span> <span class="n">username</span><span class="p">:</span>
<span class="c1"># Try to guess user home directory. By default all users</span>
<span class="c1"># directories are located in the same place and are named by</span>
<span class="c1"># corresponding usernames. If current user home directory points</span>
<span class="c1"># to nonstandard place, this guess is likely wrong.</span>
<span class="k">if</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="p">[</span><span class="s1">'USERNAME'</span><span class="p">]</span> <span class="o">!=</span> <span class="n">username</span><span class="p">:</span>
<span class="n">drv</span><span class="p">,</span> <span class="n">root</span><span class="p">,</span> <span class="n">parts</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">parse_parts</span><span class="p">((</span><span class="n">userhome</span><span class="p">,))</span>
<span class="k">if</span> <span class="n">parts</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span> <span class="o">!=</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="p">[</span><span class="s1">'USERNAME'</span><span class="p">]:</span>
<span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">(</span><span class="s2">"Can't determine home directory "</span>
<span class="s2">"for </span><span class="si">%r</span><span class="s2">"</span> <span class="o">%</span> <span class="n">username</span><span class="p">)</span>
<span class="n">parts</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span> <span class="o">=</span> <span class="n">username</span>
<span class="k">if</span> <span class="n">drv</span> <span class="ow">or</span> <span class="n">root</span><span class="p">:</span>
<span class="n">userhome</span> <span class="o">=</span> <span class="n">drv</span> <span class="o">+</span> <span class="n">root</span> <span class="o">+</span> <span class="bp">self</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">parts</span><span class="p">[</span><span class="mi">1</span><span class="p">:])</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">userhome</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">parts</span><span class="p">)</span>
<span class="k">return</span> <span class="n">userhome</span>
<span class="k">class</span> <span class="nc">_PosixFlavour</span><span class="p">(</span><span class="n">_Flavour</span><span class="p">):</span>
<span class="n">sep</span> <span class="o">=</span> <span class="s1">'/'</span>
<span class="n">altsep</span> <span class="o">=</span> <span class="s1">''</span>
<span class="n">has_drv</span> <span class="o">=</span> <span class="kc">False</span>
<span class="n">pathmod</span> <span class="o">=</span> <span class="n">posixpath</span>
<span class="n">is_supported</span> <span class="o">=</span> <span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">name</span> <span class="o">!=</span> <span class="s1">'nt'</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">splitroot</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">part</span><span class="p">,</span> <span class="n">sep</span><span class="o">=</span><span class="n">sep</span><span class="p">):</span>
<span class="k">if</span> <span class="n">part</span> <span class="ow">and</span> <span class="n">part</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">==</span> <span class="n">sep</span><span class="p">:</span>
<span class="n">stripped_part</span> <span class="o">=</span> <span class="n">part</span><span class="o">.</span><span class="n">lstrip</span><span class="p">(</span><span class="n">sep</span><span class="p">)</span>
<span class="c1"># According to POSIX path resolution:</span>
<span class="c1"># http://pubs.opengroup.org/onlinepubs/009695399/basedefs/xbd_chap04.html#tag_04_11</span>
<span class="c1"># "A pathname that begins with two successive slashes may be</span>
<span class="c1"># interpreted in an implementation-defined manner, although more</span>
<span class="c1"># than two leading slashes shall be treated as a single slash".</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">part</span><span class="p">)</span> <span class="o">-</span> <span class="nb">len</span><span class="p">(</span><span class="n">stripped_part</span><span class="p">)</span> <span class="o">==</span> <span class="mi">2</span><span class="p">:</span>
<span class="k">return</span> <span class="s1">''</span><span class="p">,</span> <span class="n">sep</span> <span class="o">*</span> <span class="mi">2</span><span class="p">,</span> <span class="n">stripped_part</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">return</span> <span class="s1">''</span><span class="p">,</span> <span class="n">sep</span><span class="p">,</span> <span class="n">stripped_part</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">return</span> <span class="s1">''</span><span class="p">,</span> <span class="s1">''</span><span class="p">,</span> <span class="n">part</span>
<span class="k">def</span> <span class="nf">casefold</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">s</span><span class="p">):</span>
<span class="k">return</span> <span class="n">s</span>
<span class="k">def</span> <span class="nf">casefold_parts</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">parts</span><span class="p">):</span>
<span class="k">return</span> <span class="n">parts</span>
<span class="k">def</span> <span class="nf">compile_pattern</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">pattern</span><span class="p">):</span>
<span class="k">return</span> <span class="n">re</span><span class="o">.</span><span class="n">compile</span><span class="p">(</span><span class="n">fnmatch</span><span class="o">.</span><span class="n">translate</span><span class="p">(</span><span class="n">pattern</span><span class="p">))</span><span class="o">.</span><span class="n">fullmatch</span>
<span class="k">def</span> <span class="nf">resolve</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">path</span><span class="p">,</span> <span class="n">strict</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
<span class="n">sep</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sep</span>
<span class="n">accessor</span> <span class="o">=</span> <span class="n">path</span><span class="o">.</span><span class="n">_accessor</span>
<span class="n">seen</span> <span class="o">=</span> <span class="p">{}</span>
<span class="k">def</span> <span class="nf">_resolve</span><span class="p">(</span><span class="n">path</span><span class="p">,</span> <span class="n">rest</span><span class="p">):</span>
<span class="k">if</span> <span class="n">rest</span><span class="o">.</span><span class="n">startswith</span><span class="p">(</span><span class="n">sep</span><span class="p">):</span>
<span class="n">path</span> <span class="o">=</span> <span class="s1">''</span>
<span class="k">for</span> <span class="n">name</span> <span class="ow">in</span> <span class="n">rest</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="n">sep</span><span class="p">):</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">name</span> <span class="ow">or</span> <span class="n">name</span> <span class="o">==</span> <span class="s1">'.'</span><span class="p">:</span>
<span class="c1"># current dir</span>
<span class="k">continue</span>
<span class="k">if</span> <span class="n">name</span> <span class="o">==</span> <span class="s1">'..'</span><span class="p">:</span>
<span class="c1"># parent dir</span>
<span class="n">path</span><span class="p">,</span> <span class="n">_</span><span class="p">,</span> <span class="n">_</span> <span class="o">=</span> <span class="n">path</span><span class="o">.</span><span class="n">rpartition</span><span class="p">(</span><span class="n">sep</span><span class="p">)</span>
<span class="k">continue</span>
<span class="n">newpath</span> <span class="o">=</span> <span class="n">path</span> <span class="o">+</span> <span class="n">sep</span> <span class="o">+</span> <span class="n">name</span>
<span class="k">if</span> <span class="n">newpath</span> <span class="ow">in</span> <span class="n">seen</span><span class="p">:</span>
<span class="c1"># Already seen this path</span>
<span class="n">path</span> <span class="o">=</span> <span class="n">seen</span><span class="p">[</span><span class="n">newpath</span><span class="p">]</span>
<span class="k">if</span> <span class="n">path</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
<span class="c1"># use cached value</span>
<span class="k">continue</span>
<span class="c1"># The symlink is not resolved, so we must have a symlink loop.</span>
<span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">(</span><span class="s2">"Symlink loop from </span><span class="si">%r</span><span class="s2">"</span> <span class="o">%</span> <span class="n">newpath</span><span class="p">)</span>
<span class="c1"># Resolve the symbolic link</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">target</span> <span class="o">=</span> <span class="n">accessor</span><span class="o">.</span><span class="n">readlink</span><span class="p">(</span><span class="n">newpath</span><span class="p">)</span>
<span class="k">except</span> <span class="ne">OSError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
<span class="k">if</span> <span class="n">e</span><span class="o">.</span><span class="n">errno</span> <span class="o">!=</span> <span class="n">EINVAL</span> <span class="ow">and</span> <span class="n">strict</span><span class="p">:</span>
<span class="k">raise</span>
<span class="c1"># Not a symlink, or non-strict mode. We just leave the path</span>
<span class="c1"># untouched.</span>
<span class="n">path</span> <span class="o">=</span> <span class="n">newpath</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">seen</span><span class="p">[</span><span class="n">newpath</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span> <span class="c1"># not resolved symlink</span>
<span class="n">path</span> <span class="o">=</span> <span class="n">_resolve</span><span class="p">(</span><span class="n">path</span><span class="p">,</span> <span class="n">target</span><span class="p">)</span>
<span class="n">seen</span><span class="p">[</span><span class="n">newpath</span><span class="p">]</span> <span class="o">=</span> <span class="n">path</span> <span class="c1"># resolved symlink</span>
<span class="k">return</span> <span class="n">path</span>
<span class="c1"># NOTE: according to POSIX, getcwd() cannot contain path components</span>
<span class="c1"># which are symlinks.</span>
<span class="n">base</span> <span class="o">=</span> <span class="s1">''</span> <span class="k">if</span> <span class="n">path</span><span class="o">.</span><span class="n">is_absolute</span><span class="p">()</span> <span class="k">else</span> <span class="n">os</span><span class="o">.</span><span class="n">getcwd</span><span class="p">()</span>
<span class="k">return</span> <span class="n">_resolve</span><span class="p">(</span><span class="n">base</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">path</span><span class="p">))</span> <span class="ow">or</span> <span class="n">sep</span>
<span class="k">def</span> <span class="nf">is_reserved</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">parts</span><span class="p">):</span>
<span class="k">return</span> <span class="kc">False</span>
<span class="k">def</span> <span class="nf">make_uri</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">path</span><span class="p">):</span>
<span class="c1"># We represent the path using the local filesystem encoding,</span>
<span class="c1"># for portability to other applications.</span>
<span class="n">bpath</span> <span class="o">=</span> <span class="nb">bytes</span><span class="p">(</span><span class="n">path</span><span class="p">)</span>
<span class="k">return</span> <span class="s1">'file://'</span> <span class="o">+</span> <span class="n">urlquote_from_bytes</span><span class="p">(</span><span class="n">bpath</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">gethomedir</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">username</span><span class="p">):</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">username</span><span class="p">:</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">return</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="p">[</span><span class="s1">'HOME'</span><span class="p">]</span>
<span class="k">except</span> <span class="ne">KeyError</span><span class="p">:</span>
<span class="kn">import</span> <span class="nn">pwd</span>
<span class="k">return</span> <span class="n">pwd</span><span class="o">.</span><span class="n">getpwuid</span><span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">getuid</span><span class="p">())</span><span class="o">.</span><span class="n">pw_dir</span>
<span class="k">else</span><span class="p">:</span>
<span class="kn">import</span> <span class="nn">pwd</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">return</span> <span class="n">pwd</span><span class="o">.</span><span class="n">getpwnam</span><span class="p">(</span><span class="n">username</span><span class="p">)</span><span class="o">.</span><span class="n">pw_dir</span>
<span class="k">except</span> <span class="ne">KeyError</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">(</span><span class="s2">"Can't determine home directory "</span>
<span class="s2">"for </span><span class="si">%r</span><span class="s2">"</span> <span class="o">%</span> <span class="n">username</span><span class="p">)</span>
<span class="n">_windows_flavour</span> <span class="o">=</span> <span class="n">_WindowsFlavour</span><span class="p">()</span>
<span class="n">_posix_flavour</span> <span class="o">=</span> <span class="n">_PosixFlavour</span><span class="p">()</span>
<span class="k">class</span> <span class="nc">_Accessor</span><span class="p">:</span>
<span class="sd">"""An accessor implements a particular (system-specific or not) way of</span>
<span class="sd"> accessing paths on the filesystem."""</span>
<span class="k">class</span> <span class="nc">_NormalAccessor</span><span class="p">(</span><span class="n">_Accessor</span><span class="p">):</span>
<span class="n">stat</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">stat</span>
<span class="n">lstat</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">lstat</span>
<span class="nb">open</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">open</span>
<span class="n">listdir</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">listdir</span>
<span class="n">scandir</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">scandir</span>
<span class="n">chmod</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">chmod</span>
<span class="k">if</span> <span class="nb">hasattr</span><span class="p">(</span><span class="n">os</span><span class="p">,</span> <span class="s2">"lchmod"</span><span class="p">):</span>
<span class="n">lchmod</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">lchmod</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">def</span> <span class="nf">lchmod</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">pathobj</span><span class="p">,</span> <span class="n">mode</span><span class="p">):</span>
<span class="k">raise</span> <span class="ne">NotImplementedError</span><span class="p">(</span><span class="s2">"lchmod() not available on this system"</span><span class="p">)</span>
<span class="n">mkdir</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">mkdir</span>
<span class="n">unlink</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">unlink</span>
<span class="n">rmdir</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">rmdir</span>
<span class="n">rename</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">rename</span>
<span class="n">replace</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">replace</span>
<span class="k">if</span> <span class="n">nt</span><span class="p">:</span>
<span class="k">if</span> <span class="n">supports_symlinks</span><span class="p">:</span>
<span class="n">symlink</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">symlink</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">def</span> <span class="nf">symlink</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">,</span> <span class="n">target_is_directory</span><span class="p">):</span>
<span class="k">raise</span> <span class="ne">NotImplementedError</span><span class="p">(</span><span class="s2">"symlink() not available on this system"</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="c1"># Under POSIX, os.symlink() takes two args</span>
<span class="nd">@staticmethod</span>
<span class="k">def</span> <span class="nf">symlink</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">,</span> <span class="n">target_is_directory</span><span class="p">):</span>
<span class="k">return</span> <span class="n">os</span><span class="o">.</span><span class="n">symlink</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">)</span>
<span class="n">utime</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">utime</span>
<span class="c1"># Helper for resolve()</span>
<span class="k">def</span> <span class="nf">readlink</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">path</span><span class="p">):</span>
<span class="k">return</span> <span class="n">os</span><span class="o">.</span><span class="n">readlink</span><span class="p">(</span><span class="n">path</span><span class="p">)</span>
<span class="n">_normal_accessor</span> <span class="o">=</span> <span class="n">_NormalAccessor</span><span class="p">()</span>
<span class="c1">#</span>
<span class="c1"># Globbing helpers</span>
<span class="c1">#</span>
<span class="k">def</span> <span class="nf">_make_selector</span><span class="p">(</span><span class="n">pattern_parts</span><span class="p">,</span> <span class="n">flavour</span><span class="p">):</span>
<span class="n">pat</span> <span class="o">=</span> <span class="n">pattern_parts</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
<span class="n">child_parts</span> <span class="o">=</span> <span class="n">pattern_parts</span><span class="p">[</span><span class="mi">1</span><span class="p">:]</span>
<span class="k">if</span> <span class="n">pat</span> <span class="o">==</span> <span class="s1">'**'</span><span class="p">:</span>
<span class="bp">cls</span> <span class="o">=</span> <span class="n">_RecursiveWildcardSelector</span>
<span class="k">elif</span> <span class="s1">'**'</span> <span class="ow">in</span> <span class="n">pat</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s2">"Invalid pattern: '**' can only be an entire path component"</span><span class="p">)</span>
<span class="k">elif</span> <span class="n">_is_wildcard_pattern</span><span class="p">(</span><span class="n">pat</span><span class="p">):</span>
<span class="bp">cls</span> <span class="o">=</span> <span class="n">_WildcardSelector</span>
<span class="k">else</span><span class="p">:</span>
<span class="bp">cls</span> <span class="o">=</span> <span class="n">_PreciseSelector</span>
<span class="k">return</span> <span class="bp">cls</span><span class="p">(</span><span class="n">pat</span><span class="p">,</span> <span class="n">child_parts</span><span class="p">,</span> <span class="n">flavour</span><span class="p">)</span>
<span class="k">if</span> <span class="nb">hasattr</span><span class="p">(</span><span class="n">functools</span><span class="p">,</span> <span class="s2">"lru_cache"</span><span class="p">):</span>
<span class="n">_make_selector</span> <span class="o">=</span> <span class="n">functools</span><span class="o">.</span><span class="n">lru_cache</span><span class="p">()(</span><span class="n">_make_selector</span><span class="p">)</span>
<span class="k">class</span> <span class="nc">_Selector</span><span class="p">:</span>
<span class="sd">"""A selector matches a specific glob pattern part against the children</span>
<span class="sd"> of a given path."""</span>
<span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">child_parts</span><span class="p">,</span> <span class="n">flavour</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">child_parts</span> <span class="o">=</span> <span class="n">child_parts</span>
<span class="k">if</span> <span class="n">child_parts</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">successor</span> <span class="o">=</span> <span class="n">_make_selector</span><span class="p">(</span><span class="n">child_parts</span><span class="p">,</span> <span class="n">flavour</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">dironly</span> <span class="o">=</span> <span class="kc">True</span>
<span class="k">else</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">successor</span> <span class="o">=</span> <span class="n">_TerminatingSelector</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">dironly</span> <span class="o">=</span> <span class="kc">False</span>
<span class="k">def</span> <span class="nf">select_from</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">parent_path</span><span class="p">):</span>
<span class="sd">"""Iterate over all child paths of `parent_path` matched by this</span>
<span class="sd"> selector. This can contain parent_path itself."""</span>
<span class="n">path_cls</span> <span class="o">=</span> <span class="nb">type</span><span class="p">(</span><span class="n">parent_path</span><span class="p">)</span>
<span class="n">is_dir</span> <span class="o">=</span> <span class="n">path_cls</span><span class="o">.</span><span class="n">is_dir</span>
<span class="n">exists</span> <span class="o">=</span> <span class="n">path_cls</span><span class="o">.</span><span class="n">exists</span>
<span class="n">scandir</span> <span class="o">=</span> <span class="n">parent_path</span><span class="o">.</span><span class="n">_accessor</span><span class="o">.</span><span class="n">scandir</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">is_dir</span><span class="p">(</span><span class="n">parent_path</span><span class="p">):</span>
<span class="k">return</span> <span class="nb">iter</span><span class="p">([])</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_select_from</span><span class="p">(</span><span class="n">parent_path</span><span class="p">,</span> <span class="n">is_dir</span><span class="p">,</span> <span class="n">exists</span><span class="p">,</span> <span class="n">scandir</span><span class="p">)</span>
<span class="k">class</span> <span class="nc">_TerminatingSelector</span><span class="p">:</span>
<span class="k">def</span> <span class="nf">_select_from</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">parent_path</span><span class="p">,</span> <span class="n">is_dir</span><span class="p">,</span> <span class="n">exists</span><span class="p">,</span> <span class="n">scandir</span><span class="p">):</span>
<span class="k">yield</span> <span class="n">parent_path</span>
<span class="k">class</span> <span class="nc">_PreciseSelector</span><span class="p">(</span><span class="n">_Selector</span><span class="p">):</span>
<span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">child_parts</span><span class="p">,</span> <span class="n">flavour</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">name</span>
<span class="n">_Selector</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">child_parts</span><span class="p">,</span> <span class="n">flavour</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">_select_from</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">parent_path</span><span class="p">,</span> <span class="n">is_dir</span><span class="p">,</span> <span class="n">exists</span><span class="p">,</span> <span class="n">scandir</span><span class="p">):</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">path</span> <span class="o">=</span> <span class="n">parent_path</span><span class="o">.</span><span class="n">_make_child_relpath</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">)</span>
<span class="k">if</span> <span class="p">(</span><span class="n">is_dir</span> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">dironly</span> <span class="k">else</span> <span class="n">exists</span><span class="p">)(</span><span class="n">path</span><span class="p">):</span>
<span class="k">for</span> <span class="n">p</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">successor</span><span class="o">.</span><span class="n">_select_from</span><span class="p">(</span><span class="n">path</span><span class="p">,</span> <span class="n">is_dir</span><span class="p">,</span> <span class="n">exists</span><span class="p">,</span> <span class="n">scandir</span><span class="p">):</span>
<span class="k">yield</span> <span class="n">p</span>
<span class="k">except</span> <span class="ne">PermissionError</span><span class="p">:</span>
<span class="k">return</span>
<span class="k">class</span> <span class="nc">_WildcardSelector</span><span class="p">(</span><span class="n">_Selector</span><span class="p">):</span>
<span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">pat</span><span class="p">,</span> <span class="n">child_parts</span><span class="p">,</span> <span class="n">flavour</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">match</span> <span class="o">=</span> <span class="n">flavour</span><span class="o">.</span><span class="n">compile_pattern</span><span class="p">(</span><span class="n">pat</span><span class="p">)</span>
<span class="n">_Selector</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">child_parts</span><span class="p">,</span> <span class="n">flavour</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">_select_from</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">parent_path</span><span class="p">,</span> <span class="n">is_dir</span><span class="p">,</span> <span class="n">exists</span><span class="p">,</span> <span class="n">scandir</span><span class="p">):</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">entries</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">scandir</span><span class="p">(</span><span class="n">parent_path</span><span class="p">))</span>
<span class="k">for</span> <span class="n">entry</span> <span class="ow">in</span> <span class="n">entries</span><span class="p">:</span>
<span class="n">entry_is_dir</span> <span class="o">=</span> <span class="kc">False</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">entry_is_dir</span> <span class="o">=</span> <span class="n">entry</span><span class="o">.</span><span class="n">is_dir</span><span class="p">()</span>
<span class="k">except</span> <span class="ne">OSError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">_ignore_error</span><span class="p">(</span><span class="n">e</span><span class="p">):</span>
<span class="k">raise</span>
<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">dironly</span> <span class="ow">or</span> <span class="n">entry_is_dir</span><span class="p">:</span>
<span class="n">name</span> <span class="o">=</span> <span class="n">entry</span><span class="o">.</span><span class="n">name</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">match</span><span class="p">(</span><span class="n">name</span><span class="p">):</span>
<span class="n">path</span> <span class="o">=</span> <span class="n">parent_path</span><span class="o">.</span><span class="n">_make_child_relpath</span><span class="p">(</span><span class="n">name</span><span class="p">)</span>
<span class="k">for</span> <span class="n">p</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">successor</span><span class="o">.</span><span class="n">_select_from</span><span class="p">(</span><span class="n">path</span><span class="p">,</span> <span class="n">is_dir</span><span class="p">,</span> <span class="n">exists</span><span class="p">,</span> <span class="n">scandir</span><span class="p">):</span>
<span class="k">yield</span> <span class="n">p</span>
<span class="k">except</span> <span class="ne">PermissionError</span><span class="p">:</span>
<span class="k">return</span>
<span class="k">class</span> <span class="nc">_RecursiveWildcardSelector</span><span class="p">(</span><span class="n">_Selector</span><span class="p">):</span>
<span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">pat</span><span class="p">,</span> <span class="n">child_parts</span><span class="p">,</span> <span class="n">flavour</span><span class="p">):</span>
<span class="n">_Selector</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">child_parts</span><span class="p">,</span> <span class="n">flavour</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">_iterate_directories</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">parent_path</span><span class="p">,</span> <span class="n">is_dir</span><span class="p">,</span> <span class="n">scandir</span><span class="p">):</span>
<span class="k">yield</span> <span class="n">parent_path</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">entries</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">scandir</span><span class="p">(</span><span class="n">parent_path</span><span class="p">))</span>
<span class="k">for</span> <span class="n">entry</span> <span class="ow">in</span> <span class="n">entries</span><span class="p">:</span>
<span class="n">entry_is_dir</span> <span class="o">=</span> <span class="kc">False</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">entry_is_dir</span> <span class="o">=</span> <span class="n">entry</span><span class="o">.</span><span class="n">is_dir</span><span class="p">()</span>
<span class="k">except</span> <span class="ne">OSError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">_ignore_error</span><span class="p">(</span><span class="n">e</span><span class="p">):</span>
<span class="k">raise</span>
<span class="k">if</span> <span class="n">entry_is_dir</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">entry</span><span class="o">.</span><span class="n">is_symlink</span><span class="p">():</span>
<span class="n">path</span> <span class="o">=</span> <span class="n">parent_path</span><span class="o">.</span><span class="n">_make_child_relpath</span><span class="p">(</span><span class="n">entry</span><span class="o">.</span><span class="n">name</span><span class="p">)</span>
<span class="k">for</span> <span class="n">p</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_iterate_directories</span><span class="p">(</span><span class="n">path</span><span class="p">,</span> <span class="n">is_dir</span><span class="p">,</span> <span class="n">scandir</span><span class="p">):</span>
<span class="k">yield</span> <span class="n">p</span>
<span class="k">except</span> <span class="ne">PermissionError</span><span class="p">:</span>
<span class="k">return</span>
<span class="k">def</span> <span class="nf">_select_from</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">parent_path</span><span class="p">,</span> <span class="n">is_dir</span><span class="p">,</span> <span class="n">exists</span><span class="p">,</span> <span class="n">scandir</span><span class="p">):</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">yielded</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">successor_select</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">successor</span><span class="o">.</span><span class="n">_select_from</span>
<span class="k">for</span> <span class="n">starting_point</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_iterate_directories</span><span class="p">(</span><span class="n">parent_path</span><span class="p">,</span> <span class="n">is_dir</span><span class="p">,</span> <span class="n">scandir</span><span class="p">):</span>
<span class="k">for</span> <span class="n">p</span> <span class="ow">in</span> <span class="n">successor_select</span><span class="p">(</span><span class="n">starting_point</span><span class="p">,</span> <span class="n">is_dir</span><span class="p">,</span> <span class="n">exists</span><span class="p">,</span> <span class="n">scandir</span><span class="p">):</span>
<span class="k">if</span> <span class="n">p</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">yielded</span><span class="p">:</span>
<span class="k">yield</span> <span class="n">p</span>
<span class="n">yielded</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">p</span><span class="p">)</span>
<span class="k">finally</span><span class="p">:</span>
<span class="n">yielded</span><span class="o">.</span><span class="n">clear</span><span class="p">()</span>
<span class="k">except</span> <span class="ne">PermissionError</span><span class="p">:</span>
<span class="k">return</span>
<span class="c1">#</span>
<span class="c1"># Public API</span>
<span class="c1">#</span>
<span class="k">class</span> <span class="nc">_PathParents</span><span class="p">(</span><span class="n">Sequence</span><span class="p">):</span>
<span class="sd">"""This object provides sequence-like access to the logical ancestors</span>
<span class="sd"> of a path. Don't try to construct it yourself."""</span>
<span class="vm">__slots__</span> <span class="o">=</span> <span class="p">(</span><span class="s1">'_pathcls'</span><span class="p">,</span> <span class="s1">'_drv'</span><span class="p">,</span> <span class="s1">'_root'</span><span class="p">,</span> <span class="s1">'_parts'</span><span class="p">)</span>
<span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">path</span><span class="p">):</span>
<span class="c1"># We don't store the instance to avoid reference cycles</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_pathcls</span> <span class="o">=</span> <span class="nb">type</span><span class="p">(</span><span class="n">path</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_drv</span> <span class="o">=</span> <span class="n">path</span><span class="o">.</span><span class="n">_drv</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_root</span> <span class="o">=</span> <span class="n">path</span><span class="o">.</span><span class="n">_root</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_parts</span> <span class="o">=</span> <span class="n">path</span><span class="o">.</span><span class="n">_parts</span>
<span class="k">def</span> <span class="fm">__len__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_drv</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">_root</span><span class="p">:</span>
<span class="k">return</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_parts</span><span class="p">)</span> <span class="o">-</span> <span class="mi">1</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">return</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_parts</span><span class="p">)</span>
<span class="k">def</span> <span class="fm">__getitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">idx</span><span class="p">):</span>
<span class="k">if</span> <span class="n">idx</span> <span class="o"><</span> <span class="mi">0</span> <span class="ow">or</span> <span class="n">idx</span> <span class="o">>=</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">raise</span> <span class="ne">IndexError</span><span class="p">(</span><span class="n">idx</span><span class="p">)</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_pathcls</span><span class="o">.</span><span class="n">_from_parsed_parts</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_drv</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_root</span><span class="p">,</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_parts</span><span class="p">[:</span><span class="o">-</span><span class="n">idx</span> <span class="o">-</span> <span class="mi">1</span><span class="p">])</span>
<span class="k">def</span> <span class="fm">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="s2">"<</span><span class="si">{}</span><span class="s2">.parents>"</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_pathcls</span><span class="o">.</span><span class="vm">__name__</span><span class="p">)</span>
<span class="k">class</span> <span class="nc">PurePath</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span>
<span class="sd">"""Base class for manipulating paths without I/O.</span>
<span class="sd"> PurePath represents a filesystem path and offers operations which</span>
<span class="sd"> don't imply any actual filesystem I/O. Depending on your system,</span>
<span class="sd"> instantiating a PurePath will return either a PurePosixPath or a</span>
<span class="sd"> PureWindowsPath object. You can also instantiate either of these classes</span>
<span class="sd"> directly, regardless of your system.</span>
<span class="sd"> """</span>
<span class="vm">__slots__</span> <span class="o">=</span> <span class="p">(</span>
<span class="s1">'_drv'</span><span class="p">,</span> <span class="s1">'_root'</span><span class="p">,</span> <span class="s1">'_parts'</span><span class="p">,</span>
<span class="s1">'_str'</span><span class="p">,</span> <span class="s1">'_hash'</span><span class="p">,</span> <span class="s1">'_pparts'</span><span class="p">,</span> <span class="s1">'_cached_cparts'</span><span class="p">,</span>
<span class="p">)</span>
<span class="k">def</span> <span class="fm">__new__</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">):</span>
<span class="sd">"""Construct a PurePath from one or several strings and or existing</span>
<span class="sd"> PurePath objects. The strings and path objects are combined so as</span>
<span class="sd"> to yield a canonicalized path, which is incorporated into the</span>
<span class="sd"> new PurePath object.</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="bp">cls</span> <span class="ow">is</span> <span class="n">PurePath</span><span class="p">:</span>
<span class="bp">cls</span> <span class="o">=</span> <span class="n">PureWindowsPath</span> <span class="k">if</span> <span class="n">os</span><span class="o">.</span><span class="n">name</span> <span class="o">==</span> <span class="s1">'nt'</span> <span class="k">else</span> <span class="n">PurePosixPath</span>
<span class="k">return</span> <span class="bp">cls</span><span class="o">.</span><span class="n">_from_parts</span><span class="p">(</span><span class="n">args</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">__reduce__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="c1"># Using the parts tuple helps share interned path parts</span>
<span class="c1"># when pickling related paths.</span>
<span class="k">return</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="vm">__class__</span><span class="p">,</span> <span class="nb">tuple</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_parts</span><span class="p">))</span>
<span class="nd">@classmethod</span>
<span class="k">def</span> <span class="nf">_parse_args</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">args</span><span class="p">):</span>
<span class="c1"># This is useful when you don't want to create an instance, just</span>
<span class="c1"># canonicalize some constructor arguments.</span>
<span class="n">parts</span> <span class="o">=</span> <span class="p">[]</span>
<span class="k">for</span> <span class="n">a</span> <span class="ow">in</span> <span class="n">args</span><span class="p">:</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">PurePath</span><span class="p">):</span>
<span class="n">parts</span> <span class="o">+=</span> <span class="n">a</span><span class="o">.</span><span class="n">_parts</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">a</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">fspath</span><span class="p">(</span><span class="n">a</span><span class="p">)</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span>
<span class="c1"># Force-cast str subclasses to str (issue #21127)</span>
<span class="n">parts</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">a</span><span class="p">))</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">TypeError</span><span class="p">(</span>
<span class="s2">"argument should be a str object or an os.PathLike "</span>
<span class="s2">"object returning str, not </span><span class="si">%r</span><span class="s2">"</span>
<span class="o">%</span> <span class="nb">type</span><span class="p">(</span><span class="n">a</span><span class="p">))</span>
<span class="k">return</span> <span class="bp">cls</span><span class="o">.</span><span class="n">_flavour</span><span class="o">.</span><span class="n">parse_parts</span><span class="p">(</span><span class="n">parts</span><span class="p">)</span>
<span class="nd">@classmethod</span>
<span class="k">def</span> <span class="nf">_from_parts</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">args</span><span class="p">,</span> <span class="n">init</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
<span class="c1"># We need to call _parse_args on the instance, so as to get the</span>
<span class="c1"># right flavour.</span>
<span class="bp">self</span> <span class="o">=</span> <span class="nb">object</span><span class="o">.</span><span class="fm">__new__</span><span class="p">(</span><span class="bp">cls</span><span class="p">)</span>
<span class="n">drv</span><span class="p">,</span> <span class="n">root</span><span class="p">,</span> <span class="n">parts</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_args</span><span class="p">(</span><span class="n">args</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_drv</span> <span class="o">=</span> <span class="n">drv</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_root</span> <span class="o">=</span> <span class="n">root</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_parts</span> <span class="o">=</span> <span class="n">parts</span>
<span class="k">if</span> <span class="n">init</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_init</span><span class="p">()</span>
<span class="k">return</span> <span class="bp">self</span>
<span class="nd">@classmethod</span>
<span class="k">def</span> <span class="nf">_from_parsed_parts</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">drv</span><span class="p">,</span> <span class="n">root</span><span class="p">,</span> <span class="n">parts</span><span class="p">,</span> <span class="n">init</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
<span class="bp">self</span> <span class="o">=</span> <span class="nb">object</span><span class="o">.</span><span class="fm">__new__</span><span class="p">(</span><span class="bp">cls</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_drv</span> <span class="o">=</span> <span class="n">drv</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_root</span> <span class="o">=</span> <span class="n">root</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_parts</span> <span class="o">=</span> <span class="n">parts</span>
<span class="k">if</span> <span class="n">init</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_init</span><span class="p">()</span>
<span class="k">return</span> <span class="bp">self</span>
<span class="nd">@classmethod</span>
<span class="k">def</span> <span class="nf">_format_parsed_parts</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">drv</span><span class="p">,</span> <span class="n">root</span><span class="p">,</span> <span class="n">parts</span><span class="p">):</span>
<span class="k">if</span> <span class="n">drv</span> <span class="ow">or</span> <span class="n">root</span><span class="p">:</span>
<span class="k">return</span> <span class="n">drv</span> <span class="o">+</span> <span class="n">root</span> <span class="o">+</span> <span class="bp">cls</span><span class="o">.</span><span class="n">_flavour</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">parts</span><span class="p">[</span><span class="mi">1</span><span class="p">:])</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">return</span> <span class="bp">cls</span><span class="o">.</span><span class="n">_flavour</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">parts</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">_init</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="c1"># Overridden in concrete Path</span>
<span class="k">pass</span>
<span class="k">def</span> <span class="nf">_make_child</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">args</span><span class="p">):</span>
<span class="n">drv</span><span class="p">,</span> <span class="n">root</span><span class="p">,</span> <span class="n">parts</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_args</span><span class="p">(</span><span class="n">args</span><span class="p">)</span>
<span class="n">drv</span><span class="p">,</span> <span class="n">root</span><span class="p">,</span> <span class="n">parts</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_flavour</span><span class="o">.</span><span class="n">join_parsed_parts</span><span class="p">(</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_drv</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_root</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parts</span><span class="p">,</span> <span class="n">drv</span><span class="p">,</span> <span class="n">root</span><span class="p">,</span> <span class="n">parts</span><span class="p">)</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_from_parsed_parts</span><span class="p">(</span><span class="n">drv</span><span class="p">,</span> <span class="n">root</span><span class="p">,</span> <span class="n">parts</span><span class="p">)</span>
<span class="k">def</span> <span class="fm">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""Return the string representation of the path, suitable for</span>
<span class="sd"> passing to system calls."""</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_str</span>
<span class="k">except</span> <span class="ne">AttributeError</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_str</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_format_parsed_parts</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_drv</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_root</span><span class="p">,</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_parts</span><span class="p">)</span> <span class="ow">or</span> <span class="s1">'.'</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_str</span>
<span class="k">def</span> <span class="nf">__fspath__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="nb">str</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">as_posix</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""Return the string representation of the path with forward (/)</span>
<span class="sd"> slashes."""</span>
<span class="n">f</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_flavour</span>
<span class="k">return</span> <span class="nb">str</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">f</span><span class="o">.</span><span class="n">sep</span><span class="p">,</span> <span class="s1">'/'</span><span class="p">)</span>
<span class="k">def</span> <span class="fm">__bytes__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""Return the bytes representation of the path. This is only</span>
<span class="sd"> recommended to use under Unix."""</span>
<span class="k">return</span> <span class="n">os</span><span class="o">.</span><span class="n">fsencode</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
<span class="k">def</span> <span class="fm">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="s2">"</span><span class="si">{}</span><span class="s2">(</span><span class="si">{!r}</span><span class="s2">)"</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">as_posix</span><span class="p">())</span>
<span class="k">def</span> <span class="nf">as_uri</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""Return the path as a 'file' URI."""</span>
<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">is_absolute</span><span class="p">():</span>
<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s2">"relative path can't be expressed as a file URI"</span><span class="p">)</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_flavour</span><span class="o">.</span><span class="n">make_uri</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">_cparts</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="c1"># Cached casefolded parts, for hashing and comparison</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_cached_cparts</span>
<span class="k">except</span> <span class="ne">AttributeError</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_cached_cparts</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_flavour</span><span class="o">.</span><span class="n">casefold_parts</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_parts</span><span class="p">)</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_cached_cparts</span>
<span class="k">def</span> <span class="fm">__eq__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">):</span>
<span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">other</span><span class="p">,</span> <span class="n">PurePath</span><span class="p">):</span>
<span class="k">return</span> <span class="bp">NotImplemented</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_cparts</span> <span class="o">==</span> <span class="n">other</span><span class="o">.</span><span class="n">_cparts</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">_flavour</span> <span class="ow">is</span> <span class="n">other</span><span class="o">.</span><span class="n">_flavour</span>
<span class="k">def</span> <span class="fm">__hash__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_hash</span>
<span class="k">except</span> <span class="ne">AttributeError</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_hash</span> <span class="o">=</span> <span class="nb">hash</span><span class="p">(</span><span class="nb">tuple</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_cparts</span><span class="p">))</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_hash</span>
<span class="k">def</span> <span class="fm">__lt__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">):</span>
<span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">other</span><span class="p">,</span> <span class="n">PurePath</span><span class="p">)</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">_flavour</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">other</span><span class="o">.</span><span class="n">_flavour</span><span class="p">:</span>
<span class="k">return</span> <span class="bp">NotImplemented</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_cparts</span> <span class="o"><</span> <span class="n">other</span><span class="o">.</span><span class="n">_cparts</span>
<span class="k">def</span> <span class="fm">__le__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">):</span>
<span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">other</span><span class="p">,</span> <span class="n">PurePath</span><span class="p">)</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">_flavour</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">other</span><span class="o">.</span><span class="n">_flavour</span><span class="p">:</span>
<span class="k">return</span> <span class="bp">NotImplemented</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_cparts</span> <span class="o"><=</span> <span class="n">other</span><span class="o">.</span><span class="n">_cparts</span>
<span class="k">def</span> <span class="fm">__gt__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">):</span>
<span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">other</span><span class="p">,</span> <span class="n">PurePath</span><span class="p">)</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">_flavour</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">other</span><span class="o">.</span><span class="n">_flavour</span><span class="p">:</span>
<span class="k">return</span> <span class="bp">NotImplemented</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_cparts</span> <span class="o">></span> <span class="n">other</span><span class="o">.</span><span class="n">_cparts</span>
<span class="k">def</span> <span class="fm">__ge__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">):</span>
<span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">other</span><span class="p">,</span> <span class="n">PurePath</span><span class="p">)</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">_flavour</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">other</span><span class="o">.</span><span class="n">_flavour</span><span class="p">:</span>
<span class="k">return</span> <span class="bp">NotImplemented</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_cparts</span> <span class="o">>=</span> <span class="n">other</span><span class="o">.</span><span class="n">_cparts</span>
<span class="n">drive</span> <span class="o">=</span> <span class="nb">property</span><span class="p">(</span><span class="n">attrgetter</span><span class="p">(</span><span class="s1">'_drv'</span><span class="p">),</span>
<span class="n">doc</span><span class="o">=</span><span class="s2">"""The drive prefix (letter or UNC path), if any."""</span><span class="p">)</span>
<span class="n">root</span> <span class="o">=</span> <span class="nb">property</span><span class="p">(</span><span class="n">attrgetter</span><span class="p">(</span><span class="s1">'_root'</span><span class="p">),</span>
<span class="n">doc</span><span class="o">=</span><span class="s2">"""The root of the path, if any."""</span><span class="p">)</span>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">anchor</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""The concatenation of the drive and root, or ''."""</span>
<span class="n">anchor</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_drv</span> <span class="o">+</span> <span class="bp">self</span><span class="o">.</span><span class="n">_root</span>
<span class="k">return</span> <span class="n">anchor</span>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">name</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""The final path component, if any."""</span>
<span class="n">parts</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parts</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">parts</span><span class="p">)</span> <span class="o">==</span> <span class="p">(</span><span class="mi">1</span> <span class="k">if</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_drv</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">_root</span><span class="p">)</span> <span class="k">else</span> <span class="mi">0</span><span class="p">):</span>
<span class="k">return</span> <span class="s1">''</span>
<span class="k">return</span> <span class="n">parts</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">suffix</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> The final component's last suffix, if any.</span>
<span class="sd"> This includes the leading period. For example: '.txt'</span>
<span class="sd"> """</span>
<span class="n">name</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span>
<span class="n">i</span> <span class="o">=</span> <span class="n">name</span><span class="o">.</span><span class="n">rfind</span><span class="p">(</span><span class="s1">'.'</span><span class="p">)</span>
<span class="k">if</span> <span class="mi">0</span> <span class="o"><</span> <span class="n">i</span> <span class="o"><</span> <span class="nb">len</span><span class="p">(</span><span class="n">name</span><span class="p">)</span> <span class="o">-</span> <span class="mi">1</span><span class="p">:</span>
<span class="k">return</span> <span class="n">name</span><span class="p">[</span><span class="n">i</span><span class="p">:]</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">return</span> <span class="s1">''</span>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">suffixes</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> A list of the final component's suffixes, if any.</span>
<span class="sd"> These include the leading periods. For example: ['.tar', '.gz']</span>
<span class="sd"> """</span>
<span class="n">name</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span>
<span class="k">if</span> <span class="n">name</span><span class="o">.</span><span class="n">endswith</span><span class="p">(</span><span class="s1">'.'</span><span class="p">):</span>
<span class="k">return</span> <span class="p">[]</span>
<span class="n">name</span> <span class="o">=</span> <span class="n">name</span><span class="o">.</span><span class="n">lstrip</span><span class="p">(</span><span class="s1">'.'</span><span class="p">)</span>
<span class="k">return</span> <span class="p">[</span><span class="s1">'.'</span> <span class="o">+</span> <span class="n">suffix</span> <span class="k">for</span> <span class="n">suffix</span> <span class="ow">in</span> <span class="n">name</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s1">'.'</span><span class="p">)[</span><span class="mi">1</span><span class="p">:]]</span>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">stem</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""The final path component, minus its last suffix."""</span>
<span class="n">name</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span>
<span class="n">i</span> <span class="o">=</span> <span class="n">name</span><span class="o">.</span><span class="n">rfind</span><span class="p">(</span><span class="s1">'.'</span><span class="p">)</span>
<span class="k">if</span> <span class="mi">0</span> <span class="o"><</span> <span class="n">i</span> <span class="o"><</span> <span class="nb">len</span><span class="p">(</span><span class="n">name</span><span class="p">)</span> <span class="o">-</span> <span class="mi">1</span><span class="p">:</span>
<span class="k">return</span> <span class="n">name</span><span class="p">[:</span><span class="n">i</span><span class="p">]</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">return</span> <span class="n">name</span>
<span class="k">def</span> <span class="nf">with_name</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
<span class="sd">"""Return a new path with the file name changed."""</span>
<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s2">"</span><span class="si">%r</span><span class="s2"> has an empty name"</span> <span class="o">%</span> <span class="p">(</span><span class="bp">self</span><span class="p">,))</span>
<span class="n">drv</span><span class="p">,</span> <span class="n">root</span><span class="p">,</span> <span class="n">parts</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_flavour</span><span class="o">.</span><span class="n">parse_parts</span><span class="p">((</span><span class="n">name</span><span class="p">,))</span>
<span class="k">if</span> <span class="p">(</span><span class="ow">not</span> <span class="n">name</span> <span class="ow">or</span> <span class="n">name</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span> <span class="ow">in</span> <span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">_flavour</span><span class="o">.</span><span class="n">sep</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_flavour</span><span class="o">.</span><span class="n">altsep</span><span class="p">]</span>
<span class="ow">or</span> <span class="n">drv</span> <span class="ow">or</span> <span class="n">root</span> <span class="ow">or</span> <span class="nb">len</span><span class="p">(</span><span class="n">parts</span><span class="p">)</span> <span class="o">!=</span> <span class="mi">1</span><span class="p">):</span>
<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s2">"Invalid name </span><span class="si">%r</span><span class="s2">"</span> <span class="o">%</span> <span class="p">(</span><span class="n">name</span><span class="p">))</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_from_parsed_parts</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_drv</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_root</span><span class="p">,</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_parts</span><span class="p">[:</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span> <span class="o">+</span> <span class="p">[</span><span class="n">name</span><span class="p">])</span>
<span class="k">def</span> <span class="nf">with_suffix</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">suffix</span><span class="p">):</span>
<span class="sd">"""Return a new path with the file suffix changed. If the path</span>
<span class="sd"> has no suffix, add given suffix. If the given suffix is an empty</span>
<span class="sd"> string, remove the suffix from the path.</span>
<span class="sd"> """</span>
<span class="n">f</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_flavour</span>
<span class="k">if</span> <span class="n">f</span><span class="o">.</span><span class="n">sep</span> <span class="ow">in</span> <span class="n">suffix</span> <span class="ow">or</span> <span class="n">f</span><span class="o">.</span><span class="n">altsep</span> <span class="ow">and</span> <span class="n">f</span><span class="o">.</span><span class="n">altsep</span> <span class="ow">in</span> <span class="n">suffix</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s2">"Invalid suffix </span><span class="si">%r</span><span class="s2">"</span> <span class="o">%</span> <span class="p">(</span><span class="n">suffix</span><span class="p">,))</span>
<span class="k">if</span> <span class="n">suffix</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">suffix</span><span class="o">.</span><span class="n">startswith</span><span class="p">(</span><span class="s1">'.'</span><span class="p">)</span> <span class="ow">or</span> <span class="n">suffix</span> <span class="o">==</span> <span class="s1">'.'</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s2">"Invalid suffix </span><span class="si">%r</span><span class="s2">"</span> <span class="o">%</span> <span class="p">(</span><span class="n">suffix</span><span class="p">))</span>
<span class="n">name</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">name</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s2">"</span><span class="si">%r</span><span class="s2"> has an empty name"</span> <span class="o">%</span> <span class="p">(</span><span class="bp">self</span><span class="p">,))</span>
<span class="n">old_suffix</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">suffix</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">old_suffix</span><span class="p">:</span>
<span class="n">name</span> <span class="o">=</span> <span class="n">name</span> <span class="o">+</span> <span class="n">suffix</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">name</span> <span class="o">=</span> <span class="n">name</span><span class="p">[:</span><span class="o">-</span><span class="nb">len</span><span class="p">(</span><span class="n">old_suffix</span><span class="p">)]</span> <span class="o">+</span> <span class="n">suffix</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_from_parsed_parts</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_drv</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_root</span><span class="p">,</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_parts</span><span class="p">[:</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span> <span class="o">+</span> <span class="p">[</span><span class="n">name</span><span class="p">])</span>
<span class="k">def</span> <span class="nf">relative_to</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">other</span><span class="p">):</span>
<span class="sd">"""Return the relative path to another path identified by the passed</span>
<span class="sd"> arguments. If the operation is not possible (because this is not</span>
<span class="sd"> a subpath of the other path), raise ValueError.</span>
<span class="sd"> """</span>
<span class="c1"># For the purpose of this method, drive and root are considered</span>
<span class="c1"># separate parts, i.e.:</span>
<span class="c1"># Path('c:/').relative_to('c:') gives Path('/')</span>
<span class="c1"># Path('c:/').relative_to('/') raise ValueError</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">other</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">TypeError</span><span class="p">(</span><span class="s2">"need at least one argument"</span><span class="p">)</span>
<span class="n">parts</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parts</span>
<span class="n">drv</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_drv</span>
<span class="n">root</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_root</span>
<span class="k">if</span> <span class="n">root</span><span class="p">:</span>
<span class="n">abs_parts</span> <span class="o">=</span> <span class="p">[</span><span class="n">drv</span><span class="p">,</span> <span class="n">root</span><span class="p">]</span> <span class="o">+</span> <span class="n">parts</span><span class="p">[</span><span class="mi">1</span><span class="p">:]</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">abs_parts</span> <span class="o">=</span> <span class="n">parts</span>
<span class="n">to_drv</span><span class="p">,</span> <span class="n">to_root</span><span class="p">,</span> <span class="n">to_parts</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_args</span><span class="p">(</span><span class="n">other</span><span class="p">)</span>
<span class="k">if</span> <span class="n">to_root</span><span class="p">:</span>
<span class="n">to_abs_parts</span> <span class="o">=</span> <span class="p">[</span><span class="n">to_drv</span><span class="p">,</span> <span class="n">to_root</span><span class="p">]</span> <span class="o">+</span> <span class="n">to_parts</span><span class="p">[</span><span class="mi">1</span><span class="p">:]</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">to_abs_parts</span> <span class="o">=</span> <span class="n">to_parts</span>
<span class="n">n</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">to_abs_parts</span><span class="p">)</span>
<span class="n">cf</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_flavour</span><span class="o">.</span><span class="n">casefold_parts</span>
<span class="k">if</span> <span class="p">(</span><span class="n">root</span> <span class="ow">or</span> <span class="n">drv</span><span class="p">)</span> <span class="k">if</span> <span class="n">n</span> <span class="o">==</span> <span class="mi">0</span> <span class="k">else</span> <span class="n">cf</span><span class="p">(</span><span class="n">abs_parts</span><span class="p">[:</span><span class="n">n</span><span class="p">])</span> <span class="o">!=</span> <span class="n">cf</span><span class="p">(</span><span class="n">to_abs_parts</span><span class="p">):</span>
<span class="n">formatted</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_format_parsed_parts</span><span class="p">(</span><span class="n">to_drv</span><span class="p">,</span> <span class="n">to_root</span><span class="p">,</span> <span class="n">to_parts</span><span class="p">)</span>
<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s2">"</span><span class="si">{!r}</span><span class="s2"> does not start with </span><span class="si">{!r}</span><span class="s2">"</span>
<span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="bp">self</span><span class="p">),</span> <span class="nb">str</span><span class="p">(</span><span class="n">formatted</span><span class="p">)))</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_from_parsed_parts</span><span class="p">(</span><span class="s1">''</span><span class="p">,</span> <span class="n">root</span> <span class="k">if</span> <span class="n">n</span> <span class="o">==</span> <span class="mi">1</span> <span class="k">else</span> <span class="s1">''</span><span class="p">,</span>
<span class="n">abs_parts</span><span class="p">[</span><span class="n">n</span><span class="p">:])</span>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">parts</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""An object providing sequence-like access to the</span>
<span class="sd"> components in the filesystem path."""</span>
<span class="c1"># We cache the tuple to avoid building a new one each time .parts</span>
<span class="c1"># is accessed. XXX is this necessary?</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_pparts</span>
<span class="k">except</span> <span class="ne">AttributeError</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_pparts</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_parts</span><span class="p">)</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_pparts</span>
<span class="k">def</span> <span class="nf">joinpath</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">):</span>
<span class="sd">"""Combine this path with one or several arguments, and return a</span>
<span class="sd"> new path representing either a subpath (if all arguments are relative</span>
<span class="sd"> paths) or a totally different path (if one of the arguments is</span>
<span class="sd"> anchored).</span>
<span class="sd"> """</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_make_child</span><span class="p">(</span><span class="n">args</span><span class="p">)</span>
<span class="k">def</span> <span class="fm">__truediv__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">):</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_make_child</span><span class="p">((</span><span class="n">key</span><span class="p">,))</span>
<span class="k">def</span> <span class="fm">__rtruediv__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">):</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_from_parts</span><span class="p">([</span><span class="n">key</span><span class="p">]</span> <span class="o">+</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parts</span><span class="p">)</span>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">parent</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""The logical parent of the path."""</span>
<span class="n">drv</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_drv</span>
<span class="n">root</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_root</span>
<span class="n">parts</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parts</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">parts</span><span class="p">)</span> <span class="o">==</span> <span class="mi">1</span> <span class="ow">and</span> <span class="p">(</span><span class="n">drv</span> <span class="ow">or</span> <span class="n">root</span><span class="p">):</span>
<span class="k">return</span> <span class="bp">self</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_from_parsed_parts</span><span class="p">(</span><span class="n">drv</span><span class="p">,</span> <span class="n">root</span><span class="p">,</span> <span class="n">parts</span><span class="p">[:</span><span class="o">-</span><span class="mi">1</span><span class="p">])</span>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">parents</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""A sequence of this path's logical parents."""</span>
<span class="k">return</span> <span class="n">_PathParents</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">is_absolute</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""True if the path is absolute (has both a root and, if applicable,</span>
<span class="sd"> a drive)."""</span>
<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_root</span><span class="p">:</span>
<span class="k">return</span> <span class="kc">False</span>
<span class="k">return</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_flavour</span><span class="o">.</span><span class="n">has_drv</span> <span class="ow">or</span> <span class="nb">bool</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_drv</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">is_reserved</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""Return True if the path contains one of the special names reserved</span>
<span class="sd"> by the system, if any."""</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_flavour</span><span class="o">.</span><span class="n">is_reserved</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_parts</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">match</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">path_pattern</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Return True if this path matches the given pattern.</span>
<span class="sd"> """</span>
<span class="n">cf</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_flavour</span><span class="o">.</span><span class="n">casefold</span>
<span class="n">path_pattern</span> <span class="o">=</span> <span class="n">cf</span><span class="p">(</span><span class="n">path_pattern</span><span class="p">)</span>
<span class="n">drv</span><span class="p">,</span> <span class="n">root</span><span class="p">,</span> <span class="n">pat_parts</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_flavour</span><span class="o">.</span><span class="n">parse_parts</span><span class="p">((</span><span class="n">path_pattern</span><span class="p">,))</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">pat_parts</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s2">"empty pattern"</span><span class="p">)</span>
<span class="k">if</span> <span class="n">drv</span> <span class="ow">and</span> <span class="n">drv</span> <span class="o">!=</span> <span class="n">cf</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_drv</span><span class="p">):</span>
<span class="k">return</span> <span class="kc">False</span>
<span class="k">if</span> <span class="n">root</span> <span class="ow">and</span> <span class="n">root</span> <span class="o">!=</span> <span class="n">cf</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_root</span><span class="p">):</span>
<span class="k">return</span> <span class="kc">False</span>
<span class="n">parts</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_cparts</span>
<span class="k">if</span> <span class="n">drv</span> <span class="ow">or</span> <span class="n">root</span><span class="p">:</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">pat_parts</span><span class="p">)</span> <span class="o">!=</span> <span class="nb">len</span><span class="p">(</span><span class="n">parts</span><span class="p">):</span>
<span class="k">return</span> <span class="kc">False</span>
<span class="n">pat_parts</span> <span class="o">=</span> <span class="n">pat_parts</span><span class="p">[</span><span class="mi">1</span><span class="p">:]</span>
<span class="k">elif</span> <span class="nb">len</span><span class="p">(</span><span class="n">pat_parts</span><span class="p">)</span> <span class="o">></span> <span class="nb">len</span><span class="p">(</span><span class="n">parts</span><span class="p">):</span>
<span class="k">return</span> <span class="kc">False</span>
<span class="k">for</span> <span class="n">part</span><span class="p">,</span> <span class="n">pat</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="nb">reversed</span><span class="p">(</span><span class="n">parts</span><span class="p">),</span> <span class="nb">reversed</span><span class="p">(</span><span class="n">pat_parts</span><span class="p">)):</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">fnmatch</span><span class="o">.</span><span class="n">fnmatchcase</span><span class="p">(</span><span class="n">part</span><span class="p">,</span> <span class="n">pat</span><span class="p">):</span>
<span class="k">return</span> <span class="kc">False</span>
<span class="k">return</span> <span class="kc">True</span>
<span class="c1"># Can't subclass os.PathLike from PurePath and keep the constructor</span>
<span class="c1"># optimizations in PurePath._parse_args().</span>
<span class="n">os</span><span class="o">.</span><span class="n">PathLike</span><span class="o">.</span><span class="n">register</span><span class="p">(</span><span class="n">PurePath</span><span class="p">)</span>
<span class="k">class</span> <span class="nc">PurePosixPath</span><span class="p">(</span><span class="n">PurePath</span><span class="p">):</span>
<span class="sd">"""PurePath subclass for non-Windows systems.</span>
<span class="sd"> On a POSIX system, instantiating a PurePath should return this object.</span>
<span class="sd"> However, you can also instantiate it directly on any system.</span>
<span class="sd"> """</span>
<span class="n">_flavour</span> <span class="o">=</span> <span class="n">_posix_flavour</span>
<span class="vm">__slots__</span> <span class="o">=</span> <span class="p">()</span>
<span class="k">class</span> <span class="nc">PureWindowsPath</span><span class="p">(</span><span class="n">PurePath</span><span class="p">):</span>
<span class="sd">"""PurePath subclass for Windows systems.</span>
<span class="sd"> On a Windows system, instantiating a PurePath should return this object.</span>
<span class="sd"> However, you can also instantiate it directly on any system.</span>
<span class="sd"> """</span>
<span class="n">_flavour</span> <span class="o">=</span> <span class="n">_windows_flavour</span>
<span class="vm">__slots__</span> <span class="o">=</span> <span class="p">()</span>
<span class="c1"># Filesystem-accessing classes</span>
<span class="k">class</span> <span class="nc">Path</span><span class="p">(</span><span class="n">PurePath</span><span class="p">):</span>
<span class="sd">"""PurePath subclass that can make system calls.</span>
<span class="sd"> Path represents a filesystem path but unlike PurePath, also offers</span>
<span class="sd"> methods to do system calls on path objects. Depending on your system,</span>
<span class="sd"> instantiating a Path will return either a PosixPath or a WindowsPath</span>
<span class="sd"> object. You can also instantiate a PosixPath or WindowsPath directly,</span>
<span class="sd"> but cannot instantiate a WindowsPath on a POSIX system or vice versa.</span>
<span class="sd"> """</span>
<span class="vm">__slots__</span> <span class="o">=</span> <span class="p">(</span>
<span class="s1">'_accessor'</span><span class="p">,</span>
<span class="s1">'_closed'</span><span class="p">,</span>
<span class="p">)</span>
<span class="k">def</span> <span class="fm">__new__</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="k">if</span> <span class="bp">cls</span> <span class="ow">is</span> <span class="n">Path</span><span class="p">:</span>
<span class="bp">cls</span> <span class="o">=</span> <span class="n">WindowsPath</span> <span class="k">if</span> <span class="n">os</span><span class="o">.</span><span class="n">name</span> <span class="o">==</span> <span class="s1">'nt'</span> <span class="k">else</span> <span class="n">PosixPath</span>
<span class="bp">self</span> <span class="o">=</span> <span class="bp">cls</span><span class="o">.</span><span class="n">_from_parts</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="n">init</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_flavour</span><span class="o">.</span><span class="n">is_supported</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">NotImplementedError</span><span class="p">(</span><span class="s2">"cannot instantiate </span><span class="si">%r</span><span class="s2"> on your system"</span>
<span class="o">%</span> <span class="p">(</span><span class="bp">cls</span><span class="o">.</span><span class="vm">__name__</span><span class="p">,))</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_init</span><span class="p">()</span>
<span class="k">return</span> <span class="bp">self</span>
<span class="k">def</span> <span class="nf">_init</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span>
<span class="c1"># Private non-constructor arguments</span>
<span class="n">template</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
<span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_closed</span> <span class="o">=</span> <span class="kc">False</span>
<span class="k">if</span> <span class="n">template</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_accessor</span> <span class="o">=</span> <span class="n">template</span><span class="o">.</span><span class="n">_accessor</span>
<span class="k">else</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_accessor</span> <span class="o">=</span> <span class="n">_normal_accessor</span>
<span class="k">def</span> <span class="nf">_make_child_relpath</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">part</span><span class="p">):</span>
<span class="c1"># This is an optimization used for dir walking. `part` must be</span>
<span class="c1"># a single part relative to this path.</span>
<span class="n">parts</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parts</span> <span class="o">+</span> <span class="p">[</span><span class="n">part</span><span class="p">]</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_from_parsed_parts</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_drv</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_root</span><span class="p">,</span> <span class="n">parts</span><span class="p">)</span>
<span class="k">def</span> <span class="fm">__enter__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_closed</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_raise_closed</span><span class="p">()</span>
<span class="k">return</span> <span class="bp">self</span>
<span class="k">def</span> <span class="fm">__exit__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">t</span><span class="p">,</span> <span class="n">v</span><span class="p">,</span> <span class="n">tb</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_closed</span> <span class="o">=</span> <span class="kc">True</span>
<span class="k">def</span> <span class="nf">_raise_closed</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s2">"I/O operation on closed path"</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">_opener</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">flags</span><span class="p">,</span> <span class="n">mode</span><span class="o">=</span><span class="mo">0o666</span><span class="p">):</span>
<span class="c1"># A stub for the opener argument to built-in open()</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_accessor</span><span class="o">.</span><span class="n">open</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">flags</span><span class="p">,</span> <span class="n">mode</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">_raw_open</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">flags</span><span class="p">,</span> <span class="n">mode</span><span class="o">=</span><span class="mo">0o777</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Open the file pointed by this path and return a file descriptor,</span>
<span class="sd"> as os.open() does.</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_closed</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_raise_closed</span><span class="p">()</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_accessor</span><span class="o">.</span><span class="n">open</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">flags</span><span class="p">,</span> <span class="n">mode</span><span class="p">)</span>
<span class="c1"># Public API</span>
<span class="nd">@classmethod</span>
<span class="k">def</span> <span class="nf">cwd</span><span class="p">(</span><span class="bp">cls</span><span class="p">):</span>
<span class="sd">"""Return a new path pointing to the current working directory</span>
<span class="sd"> (as returned by os.getcwd()).</span>
<span class="sd"> """</span>
<span class="k">return</span> <span class="bp">cls</span><span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">getcwd</span><span class="p">())</span>
<span class="nd">@classmethod</span>
<span class="k">def</span> <span class="nf">home</span><span class="p">(</span><span class="bp">cls</span><span class="p">):</span>
<span class="sd">"""Return a new path pointing to the user's home directory (as</span>
<span class="sd"> returned by os.path.expanduser('~')).</span>
<span class="sd"> """</span>
<span class="k">return</span> <span class="bp">cls</span><span class="p">(</span><span class="bp">cls</span><span class="p">()</span><span class="o">.</span><span class="n">_flavour</span><span class="o">.</span><span class="n">gethomedir</span><span class="p">(</span><span class="kc">None</span><span class="p">))</span>
<span class="k">def</span> <span class="nf">samefile</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other_path</span><span class="p">):</span>
<span class="sd">"""Return whether other_path is the same or not as this file</span>
<span class="sd"> (as returned by os.path.samefile()).</span>
<span class="sd"> """</span>
<span class="n">st</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">stat</span><span class="p">()</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">other_st</span> <span class="o">=</span> <span class="n">other_path</span><span class="o">.</span><span class="n">stat</span><span class="p">()</span>
<span class="k">except</span> <span class="ne">AttributeError</span><span class="p">:</span>
<span class="n">other_st</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">stat</span><span class="p">(</span><span class="n">other_path</span><span class="p">)</span>
<span class="k">return</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">samestat</span><span class="p">(</span><span class="n">st</span><span class="p">,</span> <span class="n">other_st</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">iterdir</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""Iterate over the files in this directory. Does not yield any</span>
<span class="sd"> result for the special paths '.' and '..'.</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_closed</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_raise_closed</span><span class="p">()</span>
<span class="k">for</span> <span class="n">name</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_accessor</span><span class="o">.</span><span class="n">listdir</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">if</span> <span class="n">name</span> <span class="ow">in</span> <span class="p">{</span><span class="s1">'.'</span><span class="p">,</span> <span class="s1">'..'</span><span class="p">}:</span>
<span class="c1"># Yielding a path object for these makes little sense</span>
<span class="k">continue</span>
<span class="k">yield</span> <span class="bp">self</span><span class="o">.</span><span class="n">_make_child_relpath</span><span class="p">(</span><span class="n">name</span><span class="p">)</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_closed</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_raise_closed</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">glob</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">pattern</span><span class="p">):</span>
<span class="sd">"""Iterate over this subtree and yield all existing files (of any</span>
<span class="sd"> kind, including directories) matching the given relative pattern.</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">pattern</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s2">"Unacceptable pattern: </span><span class="si">{!r}</span><span class="s2">"</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">pattern</span><span class="p">))</span>
<span class="n">drv</span><span class="p">,</span> <span class="n">root</span><span class="p">,</span> <span class="n">pattern_parts</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_flavour</span><span class="o">.</span><span class="n">parse_parts</span><span class="p">((</span><span class="n">pattern</span><span class="p">,))</span>
<span class="k">if</span> <span class="n">drv</span> <span class="ow">or</span> <span class="n">root</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">NotImplementedError</span><span class="p">(</span><span class="s2">"Non-relative patterns are unsupported"</span><span class="p">)</span>
<span class="n">selector</span> <span class="o">=</span> <span class="n">_make_selector</span><span class="p">(</span><span class="nb">tuple</span><span class="p">(</span><span class="n">pattern_parts</span><span class="p">),</span> <span class="bp">self</span><span class="o">.</span><span class="n">_flavour</span><span class="p">)</span>
<span class="k">for</span> <span class="n">p</span> <span class="ow">in</span> <span class="n">selector</span><span class="o">.</span><span class="n">select_from</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">yield</span> <span class="n">p</span>
<span class="k">def</span> <span class="nf">rglob</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">pattern</span><span class="p">):</span>
<span class="sd">"""Recursively yield all existing files (of any kind, including</span>
<span class="sd"> directories) matching the given relative pattern, anywhere in</span>
<span class="sd"> this subtree.</span>
<span class="sd"> """</span>
<span class="n">drv</span><span class="p">,</span> <span class="n">root</span><span class="p">,</span> <span class="n">pattern_parts</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_flavour</span><span class="o">.</span><span class="n">parse_parts</span><span class="p">((</span><span class="n">pattern</span><span class="p">,))</span>
<span class="k">if</span> <span class="n">drv</span> <span class="ow">or</span> <span class="n">root</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">NotImplementedError</span><span class="p">(</span><span class="s2">"Non-relative patterns are unsupported"</span><span class="p">)</span>
<span class="n">selector</span> <span class="o">=</span> <span class="n">_make_selector</span><span class="p">((</span><span class="s2">"**"</span><span class="p">,)</span> <span class="o">+</span> <span class="nb">tuple</span><span class="p">(</span><span class="n">pattern_parts</span><span class="p">),</span> <span class="bp">self</span><span class="o">.</span><span class="n">_flavour</span><span class="p">)</span>
<span class="k">for</span> <span class="n">p</span> <span class="ow">in</span> <span class="n">selector</span><span class="o">.</span><span class="n">select_from</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">yield</span> <span class="n">p</span>
<span class="k">def</span> <span class="nf">absolute</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""Return an absolute version of this path. This function works</span>
<span class="sd"> even if the path doesn't point to anything.</span>
<span class="sd"> No normalization is done, i.e. all '.' and '..' will be kept along.</span>
<span class="sd"> Use resolve() to get the canonical path to a file.</span>
<span class="sd"> """</span>
<span class="c1"># XXX untested yet!</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_closed</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_raise_closed</span><span class="p">()</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">is_absolute</span><span class="p">():</span>
<span class="k">return</span> <span class="bp">self</span>
<span class="c1"># FIXME this must defer to the specific flavour (and, under Windows,</span>
<span class="c1"># use nt._getfullpathname())</span>
<span class="n">obj</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_from_parts</span><span class="p">([</span><span class="n">os</span><span class="o">.</span><span class="n">getcwd</span><span class="p">()]</span> <span class="o">+</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parts</span><span class="p">,</span> <span class="n">init</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
<span class="n">obj</span><span class="o">.</span><span class="n">_init</span><span class="p">(</span><span class="n">template</span><span class="o">=</span><span class="bp">self</span><span class="p">)</span>
<span class="k">return</span> <span class="n">obj</span>
<span class="k">def</span> <span class="nf">resolve</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">strict</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Make the path absolute, resolving all symlinks on the way and also</span>
<span class="sd"> normalizing it (for example turning slashes into backslashes under</span>
<span class="sd"> Windows).</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_closed</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_raise_closed</span><span class="p">()</span>
<span class="n">s</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_flavour</span><span class="o">.</span><span class="n">resolve</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">strict</span><span class="o">=</span><span class="n">strict</span><span class="p">)</span>
<span class="k">if</span> <span class="n">s</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="c1"># No symlink resolution => for consistency, raise an error if</span>
<span class="c1"># the path doesn't exist or is forbidden</span>
<span class="bp">self</span><span class="o">.</span><span class="n">stat</span><span class="p">()</span>
<span class="n">s</span> <span class="o">=</span> <span class="nb">str</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">absolute</span><span class="p">())</span>
<span class="c1"># Now we have no symlinks in the path, it's safe to normalize it.</span>
<span class="n">normed</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_flavour</span><span class="o">.</span><span class="n">pathmod</span><span class="o">.</span><span class="n">normpath</span><span class="p">(</span><span class="n">s</span><span class="p">)</span>
<span class="n">obj</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_from_parts</span><span class="p">((</span><span class="n">normed</span><span class="p">,),</span> <span class="n">init</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
<span class="n">obj</span><span class="o">.</span><span class="n">_init</span><span class="p">(</span><span class="n">template</span><span class="o">=</span><span class="bp">self</span><span class="p">)</span>
<span class="k">return</span> <span class="n">obj</span>
<span class="k">def</span> <span class="nf">stat</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Return the result of the stat() system call on this path, like</span>
<span class="sd"> os.stat() does.</span>
<span class="sd"> """</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_accessor</span><span class="o">.</span><span class="n">stat</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">owner</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Return the login name of the file owner.</span>
<span class="sd"> """</span>
<span class="kn">import</span> <span class="nn">pwd</span>
<span class="k">return</span> <span class="n">pwd</span><span class="o">.</span><span class="n">getpwuid</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">stat</span><span class="p">()</span><span class="o">.</span><span class="n">st_uid</span><span class="p">)</span><span class="o">.</span><span class="n">pw_name</span>
<span class="k">def</span> <span class="nf">group</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Return the group name of the file gid.</span>
<span class="sd"> """</span>
<span class="kn">import</span> <span class="nn">grp</span>
<span class="k">return</span> <span class="n">grp</span><span class="o">.</span><span class="n">getgrgid</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">stat</span><span class="p">()</span><span class="o">.</span><span class="n">st_gid</span><span class="p">)</span><span class="o">.</span><span class="n">gr_name</span>
<span class="k">def</span> <span class="nf">open</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">mode</span><span class="o">=</span><span class="s1">'r'</span><span class="p">,</span> <span class="n">buffering</span><span class="o">=-</span><span class="mi">1</span><span class="p">,</span> <span class="n">encoding</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
<span class="n">errors</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">newline</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Open the file pointed by this path and return a file object, as</span>
<span class="sd"> the built-in open() function does.</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_closed</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_raise_closed</span><span class="p">()</span>
<span class="k">return</span> <span class="n">io</span><span class="o">.</span><span class="n">open</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">mode</span><span class="p">,</span> <span class="n">buffering</span><span class="p">,</span> <span class="n">encoding</span><span class="p">,</span> <span class="n">errors</span><span class="p">,</span> <span class="n">newline</span><span class="p">,</span>
<span class="n">opener</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_opener</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">read_bytes</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Open the file in bytes mode, read it, and close the file.</span>
<span class="sd"> """</span>
<span class="k">with</span> <span class="bp">self</span><span class="o">.</span><span class="n">open</span><span class="p">(</span><span class="n">mode</span><span class="o">=</span><span class="s1">'rb'</span><span class="p">)</span> <span class="k">as</span> <span class="n">f</span><span class="p">:</span>
<span class="k">return</span> <span class="n">f</span><span class="o">.</span><span class="n">read</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">read_text</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">encoding</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">errors</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Open the file in text mode, read it, and close the file.</span>
<span class="sd"> """</span>
<span class="k">with</span> <span class="bp">self</span><span class="o">.</span><span class="n">open</span><span class="p">(</span><span class="n">mode</span><span class="o">=</span><span class="s1">'r'</span><span class="p">,</span> <span class="n">encoding</span><span class="o">=</span><span class="n">encoding</span><span class="p">,</span> <span class="n">errors</span><span class="o">=</span><span class="n">errors</span><span class="p">)</span> <span class="k">as</span> <span class="n">f</span><span class="p">:</span>
<span class="k">return</span> <span class="n">f</span><span class="o">.</span><span class="n">read</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">write_bytes</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">data</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Open the file in bytes mode, write to it, and close the file.</span>
<span class="sd"> """</span>
<span class="c1"># type-check for the buffer interface before truncating the file</span>
<span class="n">view</span> <span class="o">=</span> <span class="nb">memoryview</span><span class="p">(</span><span class="n">data</span><span class="p">)</span>
<span class="k">with</span> <span class="bp">self</span><span class="o">.</span><span class="n">open</span><span class="p">(</span><span class="n">mode</span><span class="o">=</span><span class="s1">'wb'</span><span class="p">)</span> <span class="k">as</span> <span class="n">f</span><span class="p">:</span>
<span class="k">return</span> <span class="n">f</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="n">view</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">write_text</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">data</span><span class="p">,</span> <span class="n">encoding</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">errors</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Open the file in text mode, write to it, and close the file.</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">data</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span>
<span class="k">raise</span> <span class="ne">TypeError</span><span class="p">(</span><span class="s1">'data must be str, not </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span>
<span class="n">data</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span><span class="p">)</span>
<span class="k">with</span> <span class="bp">self</span><span class="o">.</span><span class="n">open</span><span class="p">(</span><span class="n">mode</span><span class="o">=</span><span class="s1">'w'</span><span class="p">,</span> <span class="n">encoding</span><span class="o">=</span><span class="n">encoding</span><span class="p">,</span> <span class="n">errors</span><span class="o">=</span><span class="n">errors</span><span class="p">)</span> <span class="k">as</span> <span class="n">f</span><span class="p">:</span>
<span class="k">return</span> <span class="n">f</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="n">data</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">touch</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">mode</span><span class="o">=</span><span class="mo">0o666</span><span class="p">,</span> <span class="n">exist_ok</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Create this file with the given access mode, if it doesn't exist.</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_closed</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_raise_closed</span><span class="p">()</span>
<span class="k">if</span> <span class="n">exist_ok</span><span class="p">:</span>
<span class="c1"># First try to bump modification time</span>
<span class="c1"># Implementation note: GNU touch uses the UTIME_NOW option of</span>
<span class="c1"># the utimensat() / futimens() functions.</span>
<span class="k">try</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_accessor</span><span class="o">.</span><span class="n">utime</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
<span class="k">except</span> <span class="ne">OSError</span><span class="p">:</span>
<span class="c1"># Avoid exception chaining</span>
<span class="k">pass</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">return</span>
<span class="n">flags</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">O_CREAT</span> <span class="o">|</span> <span class="n">os</span><span class="o">.</span><span class="n">O_WRONLY</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">exist_ok</span><span class="p">:</span>
<span class="n">flags</span> <span class="o">|=</span> <span class="n">os</span><span class="o">.</span><span class="n">O_EXCL</span>
<span class="n">fd</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_raw_open</span><span class="p">(</span><span class="n">flags</span><span class="p">,</span> <span class="n">mode</span><span class="p">)</span>
<span class="n">os</span><span class="o">.</span><span class="n">close</span><span class="p">(</span><span class="n">fd</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">mkdir</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">mode</span><span class="o">=</span><span class="mo">0o777</span><span class="p">,</span> <span class="n">parents</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">exist_ok</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Create a new directory at this given path.</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_closed</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_raise_closed</span><span class="p">()</span>
<span class="k">try</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_accessor</span><span class="o">.</span><span class="n">mkdir</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">mode</span><span class="p">)</span>
<span class="k">except</span> <span class="ne">FileNotFoundError</span><span class="p">:</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">parents</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">parent</span> <span class="o">==</span> <span class="bp">self</span><span class="p">:</span>
<span class="k">raise</span>
<span class="bp">self</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">mkdir</span><span class="p">(</span><span class="n">parents</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">exist_ok</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">mkdir</span><span class="p">(</span><span class="n">mode</span><span class="p">,</span> <span class="n">parents</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">exist_ok</span><span class="o">=</span><span class="n">exist_ok</span><span class="p">)</span>
<span class="k">except</span> <span class="ne">OSError</span><span class="p">:</span>
<span class="c1"># Cannot rely on checking for EEXIST, since the operating system</span>
<span class="c1"># could give priority to other errors like EACCES or EROFS</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">exist_ok</span> <span class="ow">or</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">is_dir</span><span class="p">():</span>
<span class="k">raise</span>
<span class="k">def</span> <span class="nf">chmod</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">mode</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Change the permissions of the path, like os.chmod().</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_closed</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_raise_closed</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_accessor</span><span class="o">.</span><span class="n">chmod</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">mode</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">lchmod</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">mode</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Like chmod(), except if the path points to a symlink, the symlink's</span>
<span class="sd"> permissions are changed, rather than its target's.</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_closed</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_raise_closed</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_accessor</span><span class="o">.</span><span class="n">lchmod</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">mode</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">unlink</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Remove this file or link.</span>
<span class="sd"> If the path is a directory, use rmdir() instead.</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_closed</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_raise_closed</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_accessor</span><span class="o">.</span><span class="n">unlink</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">rmdir</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Remove this directory. The directory must be empty.</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_closed</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_raise_closed</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_accessor</span><span class="o">.</span><span class="n">rmdir</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">lstat</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Like stat(), except if the path points to a symlink, the symlink's</span>
<span class="sd"> status information is returned, rather than its target's.</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_closed</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_raise_closed</span><span class="p">()</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_accessor</span><span class="o">.</span><span class="n">lstat</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">rename</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">target</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Rename this path to the given path.</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_closed</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_raise_closed</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_accessor</span><span class="o">.</span><span class="n">rename</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">target</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">replace</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">target</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Rename this path to the given path, clobbering the existing</span>
<span class="sd"> destination if it exists.</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_closed</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_raise_closed</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_accessor</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">target</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">symlink_to</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">target</span><span class="p">,</span> <span class="n">target_is_directory</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Make this path a symlink pointing to the given path.</span>
<span class="sd"> Note the order of arguments (self, target) is the reverse of os.symlink's.</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_closed</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_raise_closed</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_accessor</span><span class="o">.</span><span class="n">symlink</span><span class="p">(</span><span class="n">target</span><span class="p">,</span> <span class="bp">self</span><span class="p">,</span> <span class="n">target_is_directory</span><span class="p">)</span>
<span class="c1"># Convenience functions for querying the stat results</span>
<span class="k">def</span> <span class="nf">exists</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Whether this path exists.</span>
<span class="sd"> """</span>
<span class="k">try</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">stat</span><span class="p">()</span>
<span class="k">except</span> <span class="ne">OSError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">_ignore_error</span><span class="p">(</span><span class="n">e</span><span class="p">):</span>
<span class="k">raise</span>
<span class="k">return</span> <span class="kc">False</span>
<span class="k">return</span> <span class="kc">True</span>
<span class="k">def</span> <span class="nf">is_dir</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Whether this path is a directory.</span>
<span class="sd"> """</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">return</span> <span class="n">S_ISDIR</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">stat</span><span class="p">()</span><span class="o">.</span><span class="n">st_mode</span><span class="p">)</span>
<span class="k">except</span> <span class="ne">OSError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">_ignore_error</span><span class="p">(</span><span class="n">e</span><span class="p">):</span>
<span class="k">raise</span>
<span class="c1"># Path doesn't exist or is a broken symlink</span>
<span class="c1"># (see https://bitbucket.org/pitrou/pathlib/issue/12/)</span>
<span class="k">return</span> <span class="kc">False</span>
<span class="k">def</span> <span class="nf">is_file</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Whether this path is a regular file (also True for symlinks pointing</span>
<span class="sd"> to regular files).</span>
<span class="sd"> """</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">return</span> <span class="n">S_ISREG</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">stat</span><span class="p">()</span><span class="o">.</span><span class="n">st_mode</span><span class="p">)</span>
<span class="k">except</span> <span class="ne">OSError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">_ignore_error</span><span class="p">(</span><span class="n">e</span><span class="p">):</span>
<span class="k">raise</span>
<span class="c1"># Path doesn't exist or is a broken symlink</span>
<span class="c1"># (see https://bitbucket.org/pitrou/pathlib/issue/12/)</span>
<span class="k">return</span> <span class="kc">False</span>
<span class="k">def</span> <span class="nf">is_mount</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Check if this path is a POSIX mount point</span>
<span class="sd"> """</span>
<span class="c1"># Need to exist and be a dir</span>
<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">exists</span><span class="p">()</span> <span class="ow">or</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">is_dir</span><span class="p">():</span>
<span class="k">return</span> <span class="kc">False</span>
<span class="n">parent</span> <span class="o">=</span> <span class="n">Path</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">parent</span><span class="p">)</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">parent_dev</span> <span class="o">=</span> <span class="n">parent</span><span class="o">.</span><span class="n">stat</span><span class="p">()</span><span class="o">.</span><span class="n">st_dev</span>
<span class="k">except</span> <span class="ne">OSError</span><span class="p">:</span>
<span class="k">return</span> <span class="kc">False</span>
<span class="n">dev</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">stat</span><span class="p">()</span><span class="o">.</span><span class="n">st_dev</span>
<span class="k">if</span> <span class="n">dev</span> <span class="o">!=</span> <span class="n">parent_dev</span><span class="p">:</span>
<span class="k">return</span> <span class="kc">True</span>
<span class="n">ino</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">stat</span><span class="p">()</span><span class="o">.</span><span class="n">st_ino</span>
<span class="n">parent_ino</span> <span class="o">=</span> <span class="n">parent</span><span class="o">.</span><span class="n">stat</span><span class="p">()</span><span class="o">.</span><span class="n">st_ino</span>
<span class="k">return</span> <span class="n">ino</span> <span class="o">==</span> <span class="n">parent_ino</span>
<span class="k">def</span> <span class="nf">is_symlink</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Whether this path is a symbolic link.</span>
<span class="sd"> """</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">return</span> <span class="n">S_ISLNK</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">lstat</span><span class="p">()</span><span class="o">.</span><span class="n">st_mode</span><span class="p">)</span>
<span class="k">except</span> <span class="ne">OSError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">_ignore_error</span><span class="p">(</span><span class="n">e</span><span class="p">):</span>
<span class="k">raise</span>
<span class="c1"># Path doesn't exist</span>
<span class="k">return</span> <span class="kc">False</span>
<span class="k">def</span> <span class="nf">is_block_device</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Whether this path is a block device.</span>
<span class="sd"> """</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">return</span> <span class="n">S_ISBLK</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">stat</span><span class="p">()</span><span class="o">.</span><span class="n">st_mode</span><span class="p">)</span>
<span class="k">except</span> <span class="ne">OSError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">_ignore_error</span><span class="p">(</span><span class="n">e</span><span class="p">):</span>
<span class="k">raise</span>
<span class="c1"># Path doesn't exist or is a broken symlink</span>
<span class="c1"># (see https://bitbucket.org/pitrou/pathlib/issue/12/)</span>
<span class="k">return</span> <span class="kc">False</span>
<span class="k">def</span> <span class="nf">is_char_device</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Whether this path is a character device.</span>
<span class="sd"> """</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">return</span> <span class="n">S_ISCHR</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">stat</span><span class="p">()</span><span class="o">.</span><span class="n">st_mode</span><span class="p">)</span>
<span class="k">except</span> <span class="ne">OSError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">_ignore_error</span><span class="p">(</span><span class="n">e</span><span class="p">):</span>
<span class="k">raise</span>
<span class="c1"># Path doesn't exist or is a broken symlink</span>
<span class="c1"># (see https://bitbucket.org/pitrou/pathlib/issue/12/)</span>
<span class="k">return</span> <span class="kc">False</span>
<span class="k">def</span> <span class="nf">is_fifo</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Whether this path is a FIFO.</span>
<span class="sd"> """</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">return</span> <span class="n">S_ISFIFO</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">stat</span><span class="p">()</span><span class="o">.</span><span class="n">st_mode</span><span class="p">)</span>
<span class="k">except</span> <span class="ne">OSError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">_ignore_error</span><span class="p">(</span><span class="n">e</span><span class="p">):</span>
<span class="k">raise</span>
<span class="c1"># Path doesn't exist or is a broken symlink</span>
<span class="c1"># (see https://bitbucket.org/pitrou/pathlib/issue/12/)</span>
<span class="k">return</span> <span class="kc">False</span>
<span class="k">def</span> <span class="nf">is_socket</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Whether this path is a socket.</span>
<span class="sd"> """</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">return</span> <span class="n">S_ISSOCK</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">stat</span><span class="p">()</span><span class="o">.</span><span class="n">st_mode</span><span class="p">)</span>
<span class="k">except</span> <span class="ne">OSError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">_ignore_error</span><span class="p">(</span><span class="n">e</span><span class="p">):</span>
<span class="k">raise</span>
<span class="c1"># Path doesn't exist or is a broken symlink</span>
<span class="c1"># (see https://bitbucket.org/pitrou/pathlib/issue/12/)</span>
<span class="k">return</span> <span class="kc">False</span>
<span class="k">def</span> <span class="nf">expanduser</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">""" Return a new path with expanded ~ and ~user constructs</span>
<span class="sd"> (as returned by os.path.expanduser)</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="p">(</span><span class="ow">not</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_drv</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">_root</span><span class="p">)</span> <span class="ow">and</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_parts</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parts</span><span class="p">[</span><span class="mi">0</span><span class="p">][:</span><span class="mi">1</span><span class="p">]</span> <span class="o">==</span> <span class="s1">'~'</span><span class="p">):</span>
<span class="n">homedir</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_flavour</span><span class="o">.</span><span class="n">gethomedir</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_parts</span><span class="p">[</span><span class="mi">0</span><span class="p">][</span><span class="mi">1</span><span class="p">:])</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_from_parts</span><span class="p">([</span><span class="n">homedir</span><span class="p">]</span> <span class="o">+</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parts</span><span class="p">[</span><span class="mi">1</span><span class="p">:])</span>
<span class="k">return</span> <span class="bp">self</span>
<span class="k">class</span> <span class="nc">PosixPath</span><span class="p">(</span><span class="n">Path</span><span class="p">,</span> <span class="n">PurePosixPath</span><span class="p">):</span>
<span class="sd">"""Path subclass for non-Windows systems.</span>
<span class="sd"> On a POSIX system, instantiating a Path should return this object.</span>
<span class="sd"> """</span>
<span class="vm">__slots__</span> <span class="o">=</span> <span class="p">()</span>
<span class="k">class</span> <span class="nc">WindowsPath</span><span class="p">(</span><span class="n">Path</span><span class="p">,</span> <span class="n">PureWindowsPath</span><span class="p">):</span>
<span class="sd">"""Path subclass for Windows systems.</span>
<span class="sd"> On a Windows system, instantiating a Path should return this object.</span>
<span class="sd"> """</span>
<span class="vm">__slots__</span> <span class="o">=</span> <span class="p">()</span>
<span class="k">def</span> <span class="nf">owner</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">raise</span> <span class="ne">NotImplementedError</span><span class="p">(</span><span class="s2">"Path.owner() is unsupported on this system"</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">group</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">raise</span> <span class="ne">NotImplementedError</span><span class="p">(</span><span class="s2">"Path.group() is unsupported on this system"</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">is_mount</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">raise</span> <span class="ne">NotImplementedError</span><span class="p">(</span><span class="s2">"Path.is_mount() is unsupported on this system"</span><span class="p">)</span>
</pre></div>
<div class="clearer"></div>
</div>
</div>
<div class="clearer"></div>
</div>
<div class="related" role="navigation" aria-label="related navigation">
<h3>Navigation</h3>
<ul>
<li class="right" style="margin-right: 10px">
<a href="../genindex.html" title="General Index"
>index</a></li>
<li class="right" >
<a href="../py-modindex.html" title="Python Module Index"
>modules</a> |</li>
<li class="nav-item nav-item-0"><a href="../index.html">pymatgen 2020.7.3 documentation</a> »</li>
<li class="nav-item nav-item-1"><a href="index.html" >Module code</a> »</li>
<li class="nav-item nav-item-this"><a href="">pathlib</a></li>
</ul>
</div>
<div class="footer" role="contentinfo">
© Copyright 2011, Pymatgen Development Team.
Created using <a href="https://www.sphinx-doc.org/">Sphinx</a> 3.1.2.
</div>
<div class="footer">This page uses <a href="http://analytics.google.com/">
Google Analytics</a> to collect statistics. You can disable it by blocking
the JavaScript coming from www.google-analytics.com.
<script type="text/javascript">
(function() {
var ga = document.createElement('script');
ga.src = ('https:' == document.location.protocol ?
'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
ga.setAttribute('async', 'true');
document.documentElement.firstChild.appendChild(ga);
})();
</script>
</div>
</body>
</html>
|
