1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
3048
3049
3050
3051
3052
3053
3054
3055
3056
3057
3058
3059
3060
3061
3062
3063
3064
3065
3066
3067
3068
3069
3070
3071
3072
3073
3074
3075
3076
3077
3078
3079
3080
3081
3082
3083
3084
3085
3086
3087
3088
3089
3090
3091
3092
3093
3094
3095
3096
3097
3098
3099
3100
3101
3102
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
3114
3115
3116
3117
3118
3119
3120
3121
3122
3123
3124
3125
3126
3127
3128
3129
3130
3131
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150
3151
3152
3153
3154
3155
3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175
3176
3177
3178
3179
3180
3181
3182
3183
3184
3185
3186
3187
3188
3189
3190
3191
3192
3193
3194
3195
3196
3197
3198
3199
3200
3201
3202
3203
3204
3205
3206
3207
3208
3209
3210
3211
3212
3213
3214
3215
3216
3217
3218
3219
3220
3221
3222
3223
3224
3225
3226
3227
3228
3229
3230
3231
3232
3233
3234
3235
3236
3237
3238
3239
3240
3241
3242
3243
3244
3245
3246
3247
3248
3249
3250
3251
3252
3253
3254
3255
3256
3257
3258
3259
3260
3261
3262
3263
3264
3265
3266
3267
3268
3269
3270
3271
3272
3273
3274
3275
3276
3277
3278
3279
3280
3281
3282
3283
3284
3285
3286
3287
3288
3289
3290
3291
3292
3293
3294
3295
3296
3297
3298
3299
3300
3301
3302
3303
3304
3305
3306
3307
3308
3309
3310
3311
3312
3313
3314
3315
3316
3317
3318
3319
3320
3321
3322
3323
3324
3325
3326
3327
3328
3329
3330
3331
3332
3333
3334
3335
3336
3337
3338
3339
3340
3341
3342
3343
3344
3345
3346
3347
3348
3349
3350
3351
3352
3353
3354
3355
3356
3357
3358
3359
3360
3361
3362
3363
3364
3365
3366
3367
3368
3369
3370
3371
3372
3373
3374
3375
3376
3377
3378
3379
3380
3381
3382
3383
3384
3385
3386
3387
3388
3389
3390
3391
3392
3393
3394
3395
3396
3397
3398
3399
3400
3401
3402
3403
3404
3405
3406
3407
3408
3409
3410
3411
3412
3413
3414
3415
3416
3417
3418
3419
3420
3421
3422
3423
3424
3425
3426
3427
3428
3429
3430
3431
3432
3433
3434
3435
3436
3437
3438
3439
3440
3441
3442
3443
3444
3445
3446
3447
3448
3449
3450
3451
3452
3453
3454
3455
3456
3457
3458
3459
3460
3461
3462
3463
3464
3465
3466
3467
3468
3469
3470
3471
3472
3473
3474
3475
3476
3477
3478
3479
3480
3481
3482
3483
3484
3485
3486
3487
3488
3489
3490
3491
3492
3493
3494
3495
3496
3497
3498
3499
3500
3501
3502
3503
3504
3505
3506
3507
3508
3509
3510
3511
3512
3513
3514
3515
3516
3517
3518
3519
3520
3521
3522
3523
3524
3525
3526
3527
3528
3529
3530
3531
3532
3533
3534
3535
3536
3537
3538
3539
3540
3541
3542
3543
3544
3545
3546
3547
3548
3549
3550
3551
3552
3553
3554
3555
3556
3557
3558
3559
3560
3561
3562
3563
3564
3565
3566
3567
3568
3569
3570
3571
3572
3573
3574
3575
3576
3577
3578
3579
3580
3581
3582
3583
3584
3585
3586
3587
3588
3589
3590
3591
3592
3593
3594
3595
3596
3597
3598
3599
3600
3601
3602
3603
3604
3605
3606
3607
3608
3609
3610
3611
3612
3613
3614
3615
3616
3617
3618
3619
3620
3621
3622
3623
3624
3625
3626
3627
3628
3629
3630
3631
3632
3633
3634
3635
3636
3637
3638
3639
3640
3641
3642
3643
3644
3645
3646
3647
3648
3649
3650
3651
3652
3653
3654
3655
3656
3657
3658
3659
3660
3661
3662
3663
3664
3665
3666
3667
3668
3669
3670
3671
3672
3673
3674
3675
3676
3677
3678
3679
3680
3681
3682
3683
3684
3685
3686
3687
3688
3689
3690
3691
3692
3693
3694
3695
3696
3697
3698
3699
3700
3701
3702
3703
3704
3705
3706
3707
3708
3709
3710
3711
3712
3713
3714
3715
3716
3717
3718
3719
3720
3721
3722
3723
3724
3725
3726
3727
3728
3729
3730
3731
3732
3733
3734
3735
3736
3737
3738
3739
3740
3741
3742
3743
3744
3745
3746
3747
3748
3749
3750
3751
3752
3753
3754
3755
3756
3757
3758
3759
3760
3761
3762
3763
3764
3765
3766
3767
3768
3769
3770
3771
3772
3773
3774
3775
3776
3777
3778
3779
3780
3781
3782
3783
3784
3785
3786
3787
3788
3789
3790
3791
3792
3793
3794
3795
3796
3797
3798
3799
3800
3801
3802
3803
3804
3805
3806
3807
3808
3809
3810
3811
3812
3813
3814
3815
3816
3817
3818
3819
3820
3821
3822
3823
3824
3825
3826
3827
3828
3829
3830
3831
3832
3833
3834
3835
3836
3837
3838
3839
3840
3841
3842
3843
3844
3845
3846
3847
3848
3849
3850
3851
3852
3853
3854
3855
3856
3857
3858
3859
3860
3861
3862
3863
3864
3865
3866
3867
3868
3869
3870
3871
3872
3873
3874
3875
3876
3877
3878
3879
3880
3881
3882
3883
3884
3885
3886
3887
3888
3889
3890
3891
3892
3893
3894
3895
3896
3897
3898
3899
3900
3901
3902
3903
3904
3905
3906
3907
3908
3909
3910
3911
3912
3913
3914
3915
3916
3917
3918
3919
3920
3921
3922
3923
3924
3925
3926
3927
3928
3929
3930
3931
3932
3933
3934
3935
3936
3937
3938
3939
3940
3941
3942
3943
3944
3945
3946
3947
3948
3949
3950
3951
3952
3953
3954
3955
3956
3957
3958
3959
3960
3961
3962
3963
3964
3965
3966
3967
3968
3969
3970
3971
3972
3973
3974
3975
3976
3977
3978
3979
3980
3981
3982
3983
3984
3985
3986
3987
3988
3989
3990
3991
3992
3993
3994
3995
3996
3997
3998
3999
4000
4001
4002
4003
4004
4005
4006
4007
4008
4009
4010
4011
4012
4013
4014
4015
4016
4017
4018
4019
4020
4021
4022
4023
4024
4025
4026
4027
4028
4029
4030
4031
4032
4033
4034
4035
4036
4037
4038
4039
4040
4041
4042
4043
4044
4045
4046
4047
4048
4049
4050
4051
4052
4053
4054
4055
4056
4057
4058
4059
4060
4061
4062
4063
4064
4065
4066
4067
4068
4069
4070
4071
4072
4073
4074
4075
4076
4077
4078
4079
4080
4081
4082
4083
4084
4085
4086
4087
4088
4089
4090
4091
4092
4093
4094
4095
4096
4097
4098
4099
4100
4101
4102
4103
4104
4105
4106
4107
4108
4109
4110
4111
4112
4113
4114
4115
4116
4117
4118
4119
4120
4121
4122
4123
4124
4125
4126
4127
4128
4129
4130
4131
4132
4133
4134
4135
4136
4137
4138
4139
4140
4141
4142
4143
4144
4145
4146
4147
4148
4149
4150
4151
4152
4153
4154
4155
4156
4157
4158
4159
4160
4161
4162
4163
4164
4165
4166
4167
4168
4169
4170
4171
4172
4173
4174
4175
4176
4177
4178
4179
4180
4181
4182
4183
4184
4185
4186
4187
4188
4189
4190
4191
4192
4193
4194
4195
4196
4197
4198
4199
4200
4201
4202
4203
4204
4205
4206
4207
4208
4209
4210
4211
4212
4213
4214
4215
4216
4217
4218
4219
4220
4221
4222
4223
4224
4225
4226
4227
4228
4229
4230
4231
4232
4233
4234
4235
4236
4237
4238
4239
4240
4241
4242
4243
4244
4245
4246
4247
4248
4249
4250
4251
4252
4253
4254
4255
4256
4257
4258
4259
4260
4261
4262
4263
4264
4265
4266
4267
4268
4269
4270
4271
4272
4273
4274
4275
4276
4277
4278
4279
4280
4281
4282
4283
4284
4285
4286
4287
4288
4289
4290
4291
4292
4293
4294
4295
4296
4297
4298
4299
4300
4301
4302
4303
4304
4305
4306
4307
4308
4309
4310
4311
4312
4313
4314
4315
4316
4317
4318
4319
4320
4321
4322
4323
4324
4325
4326
4327
4328
4329
4330
4331
4332
4333
4334
4335
4336
4337
4338
4339
4340
4341
4342
4343
4344
4345
4346
4347
4348
4349
4350
4351
4352
4353
4354
4355
4356
4357
4358
4359
4360
4361
4362
4363
4364
4365
4366
4367
4368
4369
4370
4371
4372
4373
4374
4375
4376
4377
4378
4379
4380
4381
4382
4383
4384
4385
4386
4387
4388
4389
4390
4391
4392
4393
4394
4395
4396
4397
4398
4399
4400
4401
4402
4403
4404
4405
4406
4407
4408
4409
4410
4411
4412
4413
4414
4415
4416
4417
4418
4419
4420
4421
4422
4423
4424
4425
4426
4427
4428
4429
4430
4431
4432
4433
4434
4435
4436
4437
4438
4439
4440
4441
4442
4443
4444
4445
4446
4447
4448
4449
4450
4451
4452
4453
4454
4455
4456
4457
4458
4459
4460
4461
4462
4463
4464
4465
4466
4467
4468
4469
4470
4471
4472
4473
4474
4475
4476
4477
4478
4479
4480
4481
4482
4483
4484
4485
4486
4487
4488
4489
4490
4491
4492
4493
4494
4495
4496
4497
4498
4499
4500
4501
4502
4503
4504
4505
4506
4507
4508
4509
4510
4511
4512
4513
4514
4515
4516
4517
4518
4519
4520
4521
4522
4523
4524
4525
4526
4527
4528
4529
4530
4531
4532
4533
4534
4535
4536
4537
4538
4539
4540
4541
4542
4543
4544
4545
4546
4547
4548
4549
4550
4551
4552
4553
4554
4555
4556
4557
4558
4559
4560
4561
4562
4563
4564
4565
4566
4567
4568
4569
4570
4571
4572
4573
4574
4575
4576
4577
4578
4579
4580
4581
4582
4583
4584
4585
4586
4587
4588
4589
4590
4591
4592
4593
4594
4595
4596
4597
4598
4599
4600
4601
4602
4603
4604
4605
4606
4607
4608
4609
4610
4611
4612
4613
4614
4615
4616
4617
4618
4619
4620
4621
4622
4623
4624
4625
4626
4627
|
# Copyright 1998-2009 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
from __future__ import print_function
__all__ = ["PreservedLibsRegistry", "LinkageMap",
"vardbapi", "vartree", "dblink"] + \
["write_contents", "tar_contents"]
import portage
portage.proxy.lazyimport.lazyimport(globals(),
'portage.checksum:_perform_md5_merge@perform_md5',
'portage.dep:dep_getkey,isjustname,match_from_list,' + \
'use_reduce,paren_reduce,_slot_re',
'portage.elog:elog_process',
'portage.locks:lockdir,unlockdir',
'portage.output:bold,colorize',
'portage.update:fixdbentries',
'portage.util:apply_secpass_permissions,ConfigProtect,ensure_dirs,' + \
'writemsg,writemsg_level,write_atomic,atomic_ofstream,writedict,' + \
'grabfile,grabdict,normalize_path,new_protect_filename,getlibpaths',
'portage.versions:best,catpkgsplit,catsplit,pkgcmp,_pkgsplit@pkgsplit',
)
from portage.const import CACHE_PATH, CONFIG_MEMORY_FILE, \
PORTAGE_PACKAGE_ATOM, PRIVATE_PATH, VDB_PATH
from portage.data import portage_gid, portage_uid, secpass
from portage.dbapi import dbapi
from portage.exception import CommandNotFound, \
InvalidData, InvalidPackageName, \
FileNotFound, PermissionDenied, UnsupportedAPIException
from portage.localization import _
from portage import listdir, dep_expand, digraph, flatten, key_expand, \
doebuild_environment, doebuild, env_update, prepare_build_dirs, \
abssymlink, movefile, _movefile, bsd_chflags, cpv_getkey
# This is a special version of the os module, wrapped for unicode support.
from portage import os
from portage import _encodings
from portage import _os_merge
from portage import _selinux_merge
from portage import _unicode_decode
from portage import _unicode_encode
from portage.cache.mappings import slot_dict_class
import codecs
from collections import deque
import re, shutil, stat, errno, copy, subprocess
import logging
import os as _os
import stat
import sys
import tempfile
import time
import warnings
try:
import cPickle as pickle
except ImportError:
import pickle
if sys.hexversion >= 0x3000000:
basestring = str
long = int
class PreservedLibsRegistry(object):
""" This class handles the tracking of preserved library objects """
def __init__(self, root, filename, autocommit=True):
"""
@param root: root used to check existence of paths in pruneNonExisting
@type root: String
@param filename: absolute path for saving the preserved libs records
@type filename: String
@param autocommit: determines if the file is written after every update
@type autocommit: Boolean
"""
self._root = root
self._filename = filename
self._autocommit = autocommit
self.load()
self.pruneNonExisting()
def load(self):
""" Reload the registry data from file """
self._data = None
try:
self._data = pickle.load(
open(_unicode_encode(self._filename,
encoding=_encodings['fs'], errors='strict'), 'rb'))
except (ValueError, pickle.UnpicklingError) as e:
writemsg_level(_("!!! Error loading '%s': %s\n") % \
(self._filename, e), level=logging.ERROR, noiselevel=-1)
except (EOFError, IOError) as e:
if isinstance(e, EOFError) or e.errno == errno.ENOENT:
pass
elif e.errno == PermissionDenied.errno:
raise PermissionDenied(self._filename)
else:
raise
if self._data is None:
self._data = {}
self._data_orig = self._data.copy()
def store(self):
""" Store the registry data to file. No need to call this if autocommit
was enabled.
"""
if os.environ.get("SANDBOX_ON") == "1" or \
self._data == self._data_orig:
return
try:
f = atomic_ofstream(self._filename, 'wb')
pickle.dump(self._data, f, protocol=2)
f.close()
except EnvironmentError as e:
if e.errno != PermissionDenied.errno:
writemsg("!!! %s %s\n" % (e, self._filename), noiselevel=-1)
else:
self._data_orig = self._data.copy()
def register(self, cpv, slot, counter, paths):
""" Register new objects in the registry. If there is a record with the
same packagename (internally derived from cpv) and slot it is
overwritten with the new data.
@param cpv: package instance that owns the objects
@type cpv: CPV (as String)
@param slot: the value of SLOT of the given package instance
@type slot: String
@param counter: vdb counter value for the package instace
@type counter: Integer
@param paths: absolute paths of objects that got preserved during an update
@type paths: List
"""
cp = "/".join(catpkgsplit(cpv)[:2])
cps = cp+":"+slot
if len(paths) == 0 and cps in self._data \
and self._data[cps][0] == cpv and int(self._data[cps][1]) == int(counter):
del self._data[cps]
elif len(paths) > 0:
self._data[cps] = (cpv, counter, paths)
if self._autocommit:
self.store()
def unregister(self, cpv, slot, counter):
""" Remove a previous registration of preserved objects for the given package.
@param cpv: package instance whose records should be removed
@type cpv: CPV (as String)
@param slot: the value of SLOT of the given package instance
@type slot: String
"""
self.register(cpv, slot, counter, [])
def pruneNonExisting(self):
""" Remove all records for objects that no longer exist on the filesystem. """
os = _os_merge
for cps in list(self._data):
cpv, counter, paths = self._data[cps]
paths = [f for f in paths \
if os.path.exists(os.path.join(self._root, f.lstrip(os.sep)))]
if len(paths) > 0:
self._data[cps] = (cpv, counter, paths)
else:
del self._data[cps]
if self._autocommit:
self.store()
def hasEntries(self):
""" Check if this registry contains any records. """
return len(self._data) > 0
def getPreservedLibs(self):
""" Return a mapping of packages->preserved objects.
@returns mapping of package instances to preserved objects
@rtype Dict cpv->list-of-paths
"""
rValue = {}
for cps in self._data:
rValue[self._data[cps][0]] = self._data[cps][2]
return rValue
class LinkageMap(object):
"""Models dynamic linker dependencies."""
_needed_aux_key = "NEEDED.ELF.2"
_soname_map_class = slot_dict_class(
("consumers", "providers"), prefix="")
def __init__(self, vardbapi):
self._dbapi = vardbapi
self._root = self._dbapi.root
self._libs = {}
self._obj_properties = {}
self._obj_key_cache = {}
self._defpath = set()
self._path_key_cache = {}
def _clear_cache(self):
self._libs.clear()
self._obj_properties.clear()
self._obj_key_cache.clear()
self._defpath.clear()
self._path_key_cache.clear()
def _path_key(self, path):
key = self._path_key_cache.get(path)
if key is None:
key = self._ObjectKey(path, self._root)
self._path_key_cache[path] = key
return key
def _obj_key(self, path):
key = self._obj_key_cache.get(path)
if key is None:
key = self._ObjectKey(path, self._root)
self._obj_key_cache[path] = key
return key
class _ObjectKey(object):
"""Helper class used as _obj_properties keys for objects."""
__slots__ = ("__weakref__", "_key")
def __init__(self, obj, root):
"""
This takes a path to an object.
@param object: path to a file
@type object: string (example: '/usr/bin/bar')
"""
self._key = self._generate_object_key(obj, root)
def __hash__(self):
return hash(self._key)
def __eq__(self, other):
return self._key == other._key
def _generate_object_key(self, obj, root):
"""
Generate object key for a given object.
@param object: path to a file
@type object: string (example: '/usr/bin/bar')
@rtype: 2-tuple of types (long, int) if object exists. string if
object does not exist.
@return:
1. 2-tuple of object's inode and device from a stat call, if object
exists.
2. realpath of object if object does not exist.
"""
os = _os_merge
try:
_unicode_encode(obj,
encoding=_encodings['merge'], errors='strict')
except UnicodeEncodeError:
# The package appears to have been merged with a
# different value of sys.getfilesystemencoding(),
# so fall back to utf_8 if appropriate.
try:
_unicode_encode(obj,
encoding=_encodings['fs'], errors='strict')
except UnicodeEncodeError:
pass
else:
os = portage.os
abs_path = os.path.join(root, obj.lstrip(os.sep))
try:
object_stat = os.stat(abs_path)
except OSError:
# Use the realpath as the key if the file does not exists on the
# filesystem.
return os.path.realpath(abs_path)
# Return a tuple of the device and inode.
return (object_stat.st_dev, object_stat.st_ino)
def file_exists(self):
"""
Determine if the file for this key exists on the filesystem.
@rtype: Boolean
@return:
1. True if the file exists.
2. False if the file does not exist or is a broken symlink.
"""
return isinstance(self._key, tuple)
class _LibGraphNode(_ObjectKey):
__slots__ = ("alt_paths",)
def __init__(self, obj, root):
LinkageMap._ObjectKey.__init__(self, obj, root)
self.alt_paths = set()
def __str__(self):
return str(sorted(self.alt_paths))
def rebuild(self, exclude_pkgs=None, include_file=None):
"""
Raises CommandNotFound if there are preserved libs
and the scanelf binary is not available.
"""
os = _os_merge
root = self._root
root_len = len(root) - 1
self._clear_cache()
self._defpath.update(getlibpaths(self._root))
libs = self._libs
obj_key_cache = self._obj_key_cache
obj_properties = self._obj_properties
lines = []
# Data from include_file is processed first so that it
# overrides any data from previously installed files.
if include_file is not None:
lines += grabfile(include_file)
aux_keys = [self._needed_aux_key]
for cpv in self._dbapi.cpv_all():
if exclude_pkgs is not None and cpv in exclude_pkgs:
continue
lines += self._dbapi.aux_get(cpv, aux_keys)[0].split('\n')
# Cache NEEDED.* files avoid doing excessive IO for every rebuild.
self._dbapi.flush_cache()
# have to call scanelf for preserved libs here as they aren't
# registered in NEEDED.ELF.2 files
plibs = set()
if self._dbapi.plib_registry and self._dbapi.plib_registry.getPreservedLibs():
args = ["/usr/bin/scanelf", "-qF", "%a;%F;%S;%r;%n"]
for items in self._dbapi.plib_registry.getPreservedLibs().values():
plibs.update(items)
args.extend(os.path.join(root, x.lstrip("." + os.sep)) \
for x in items)
try:
proc = subprocess.Popen(args, stdout=subprocess.PIPE)
except EnvironmentError as e:
if e.errno != errno.ENOENT:
raise
raise CommandNotFound(args[0])
else:
for l in proc.stdout:
try:
l = _unicode_decode(l,
encoding=_encodings['content'], errors='strict')
except UnicodeDecodeError:
l = _unicode_decode(l,
encoding=_encodings['content'], errors='replace')
writemsg_level(_("\nError decoding characters " \
"returned from scanelf: %s\n\n") % (l,),
level=logging.ERROR, noiselevel=-1)
l = l[3:].rstrip("\n")
if not l:
continue
fields = l.split(";")
if len(fields) < 5:
writemsg_level(_("\nWrong number of fields " \
"returned from scanelf: %s\n\n") % (l,),
level=logging.ERROR, noiselevel=-1)
continue
fields[1] = fields[1][root_len:]
plibs.discard(fields[1])
lines.append(";".join(fields))
proc.wait()
if plibs:
# Preserved libraries that did not appear in the scanelf output.
# This is known to happen with statically linked libraries.
# Generate dummy lines for these, so we can assume that every
# preserved library has an entry in self._obj_properties. This
# is important in order to prevent findConsumers from raising
# an unwanted KeyError.
for x in plibs:
lines.append(";".join(['', x, '', '', '']))
for l in lines:
l = l.rstrip("\n")
if not l:
continue
fields = l.split(";")
if len(fields) < 5:
writemsg_level(_("\nWrong number of fields " \
"in %s: %s\n\n") % (self._needed_aux_key, l),
level=logging.ERROR, noiselevel=-1)
continue
arch = fields[0]
obj = fields[1]
soname = fields[2]
path = set([normalize_path(x) \
for x in filter(None, fields[3].replace(
"${ORIGIN}", os.path.dirname(obj)).replace(
"$ORIGIN", os.path.dirname(obj)).split(":"))])
needed = [x for x in fields[4].split(",") if x]
obj_key = self._obj_key(obj)
indexed = True
myprops = obj_properties.get(obj_key)
if myprops is None:
indexed = False
myprops = (arch, needed, path, soname, set())
obj_properties[obj_key] = myprops
# All object paths are added into the obj_properties tuple.
myprops[4].add(obj)
# Don't index the same file more that once since only one
# set of data can be correct and therefore mixing data
# may corrupt the index (include_file overrides previously
# installed).
if indexed:
continue
arch_map = libs.get(arch)
if arch_map is None:
arch_map = {}
libs[arch] = arch_map
if soname:
soname_map = arch_map.get(soname)
if soname_map is None:
soname_map = self._soname_map_class(
providers=set(), consumers=set())
arch_map[soname] = soname_map
soname_map.providers.add(obj_key)
for needed_soname in needed:
soname_map = arch_map.get(needed_soname)
if soname_map is None:
soname_map = self._soname_map_class(
providers=set(), consumers=set())
arch_map[needed_soname] = soname_map
soname_map.consumers.add(obj_key)
def listBrokenBinaries(self, debug=False):
"""
Find binaries and their needed sonames, which have no providers.
@param debug: Boolean to enable debug output
@type debug: Boolean
@rtype: dict (example: {'/usr/bin/foo': set(['libbar.so'])})
@return: The return value is an object -> set-of-sonames mapping, where
object is a broken binary and the set consists of sonames needed by
object that have no corresponding libraries to fulfill the dependency.
"""
os = _os_merge
class _LibraryCache(object):
"""
Caches properties associated with paths.
The purpose of this class is to prevent multiple instances of
_ObjectKey for the same paths.
"""
def __init__(cache_self):
cache_self.cache = {}
def get(cache_self, obj):
"""
Caches and returns properties associated with an object.
@param obj: absolute path (can be symlink)
@type obj: string (example: '/usr/lib/libfoo.so')
@rtype: 4-tuple with types
(string or None, string or None, 2-tuple, Boolean)
@return: 4-tuple with the following components:
1. arch as a string or None if it does not exist,
2. soname as a string or None if it does not exist,
3. obj_key as 2-tuple,
4. Boolean representing whether the object exists.
(example: ('libfoo.so.1', (123L, 456L), True))
"""
if obj in cache_self.cache:
return cache_self.cache[obj]
else:
obj_key = self._obj_key(obj)
# Check that the library exists on the filesystem.
if obj_key.file_exists():
# Get the arch and soname from LinkageMap._obj_properties if
# it exists. Otherwise, None.
arch, _, _, soname, _ = \
self._obj_properties.get(obj_key, (None,)*5)
return cache_self.cache.setdefault(obj, \
(arch, soname, obj_key, True))
else:
return cache_self.cache.setdefault(obj, \
(None, None, obj_key, False))
rValue = {}
cache = _LibraryCache()
providers = self.listProviders()
# Iterate over all obj_keys and their providers.
for obj_key, sonames in providers.items():
arch, _, path, _, objs = self._obj_properties[obj_key]
path = path.union(self._defpath)
# Iterate over each needed soname and the set of library paths that
# fulfill the soname to determine if the dependency is broken.
for soname, libraries in sonames.items():
# validLibraries is used to store libraries, which satisfy soname,
# so if no valid libraries are found, the soname is not satisfied
# for obj_key. If unsatisfied, objects associated with obj_key
# must be emerged.
validLibraries = set()
# It could be the case that the library to satisfy the soname is
# not in the obj's runpath, but a symlink to the library is (eg
# libnvidia-tls.so.1 in nvidia-drivers). Also, since LinkageMap
# does not catalog symlinks, broken or missing symlinks may go
# unnoticed. As a result of these cases, check that a file with
# the same name as the soname exists in obj's runpath.
# XXX If we catalog symlinks in LinkageMap, this could be improved.
for directory in path:
cachedArch, cachedSoname, cachedKey, cachedExists = \
cache.get(os.path.join(directory, soname))
# Check that this library provides the needed soname. Doing
# this, however, will cause consumers of libraries missing
# sonames to be unnecessarily emerged. (eg libmix.so)
if cachedSoname == soname and cachedArch == arch:
validLibraries.add(cachedKey)
if debug and cachedKey not in \
set(map(self._obj_key_cache.get, libraries)):
# XXX This is most often due to soname symlinks not in
# a library's directory. We could catalog symlinks in
# LinkageMap to avoid checking for this edge case here.
print(_("Found provider outside of findProviders:"), \
os.path.join(directory, soname), "->", \
self._obj_properties[cachedKey][4], libraries)
# A valid library has been found, so there is no need to
# continue.
break
if debug and cachedArch == arch and \
cachedKey in self._obj_properties:
print(_("Broken symlink or missing/bad soname: %(dir_soname)s -> %(cachedKey)s "
"with soname %(cachedSoname)s but expecting %(soname)s") % \
{"dir_soname":os.path.join(directory, soname),
"cachedKey": self._obj_properties[cachedKey],
"cachedSoname": cachedSoname, "soname":soname})
# This conditional checks if there are no libraries to satisfy the
# soname (empty set).
if not validLibraries:
for obj in objs:
rValue.setdefault(obj, set()).add(soname)
# If no valid libraries have been found by this point, then
# there are no files named with the soname within obj's runpath,
# but if there are libraries (from the providers mapping), it is
# likely that soname symlinks or the actual libraries are
# missing or broken. Thus those libraries are added to rValue
# in order to emerge corrupt library packages.
for lib in libraries:
rValue.setdefault(lib, set()).add(soname)
if debug:
if not os.path.isfile(lib):
print(_("Missing library:"), lib)
else:
print(_("Possibly missing symlink:"), \
os.path.join(os.path.dirname(lib), soname))
return rValue
def listProviders(self):
"""
Find the providers for all object keys in LinkageMap.
@rtype: dict (example:
{(123L, 456L): {'libbar.so': set(['/lib/libbar.so.1.5'])}})
@return: The return value is an object key -> providers mapping, where
providers is a mapping of soname -> set-of-library-paths returned
from the findProviders method.
"""
rValue = {}
if not self._libs:
self.rebuild()
# Iterate over all object keys within LinkageMap.
for obj_key in self._obj_properties:
rValue.setdefault(obj_key, self.findProviders(obj_key))
return rValue
def isMasterLink(self, obj):
"""
Determine whether an object is a master link.
@param obj: absolute path to an object
@type obj: string (example: '/usr/bin/foo')
@rtype: Boolean
@return:
1. True if obj is a master link
2. False if obj is not a master link
"""
os = _os_merge
basename = os.path.basename(obj)
obj_key = self._obj_key(obj)
if obj_key not in self._obj_properties:
raise KeyError("%s (%s) not in object list" % (obj_key, obj))
soname = self._obj_properties[obj_key][3]
return (len(basename) < len(soname))
def listLibraryObjects(self):
"""
Return a list of library objects.
Known limitation: library objects lacking an soname are not included.
@rtype: list of strings
@return: list of paths to all providers
"""
rValue = []
if not self._libs:
self.rebuild()
for arch_map in self._libs.values():
for soname_map in arch_map.values():
for obj_key in soname_map.providers:
rValue.extend(self._obj_properties[obj_key][4])
return rValue
def getSoname(self, obj):
"""
Return the soname associated with an object.
@param obj: absolute path to an object
@type obj: string (example: '/usr/bin/bar')
@rtype: string
@return: soname as a string
"""
if not self._libs:
self.rebuild()
if isinstance(obj, self._ObjectKey):
obj_key = obj
if obj_key not in self._obj_properties:
raise KeyError("%s not in object list" % obj_key)
return self._obj_properties[obj_key][3]
if obj not in self._obj_key_cache:
raise KeyError("%s not in object list" % obj)
return self._obj_properties[self._obj_key_cache[obj]][3]
def findProviders(self, obj):
"""
Find providers for an object or object key.
This method may be called with a key from _obj_properties.
In some cases, not all valid libraries are returned. This may occur when
an soname symlink referencing a library is in an object's runpath while
the actual library is not. We should consider cataloging symlinks within
LinkageMap as this would avoid those cases and would be a better model of
library dependencies (since the dynamic linker actually searches for
files named with the soname in the runpaths).
@param obj: absolute path to an object or a key from _obj_properties
@type obj: string (example: '/usr/bin/bar') or _ObjectKey
@rtype: dict (example: {'libbar.so': set(['/lib/libbar.so.1.5'])})
@return: The return value is a soname -> set-of-library-paths, where
set-of-library-paths satisfy soname.
"""
os = _os_merge
rValue = {}
if not self._libs:
self.rebuild()
# Determine the obj_key from the arguments.
if isinstance(obj, self._ObjectKey):
obj_key = obj
if obj_key not in self._obj_properties:
raise KeyError("%s not in object list" % obj_key)
else:
obj_key = self._obj_key(obj)
if obj_key not in self._obj_properties:
raise KeyError("%s (%s) not in object list" % (obj_key, obj))
arch, needed, path, _, _ = self._obj_properties[obj_key]
path_keys = set(self._path_key(x) for x in path.union(self._defpath))
for soname in needed:
rValue[soname] = set()
if arch not in self._libs or soname not in self._libs[arch]:
continue
# For each potential provider of the soname, add it to rValue if it
# resides in the obj's runpath.
for provider_key in self._libs[arch][soname].providers:
providers = self._obj_properties[provider_key][4]
for provider in providers:
if self._path_key(os.path.dirname(provider)) in path_keys:
rValue[soname].add(provider)
return rValue
def findConsumers(self, obj):
"""
Find consumers of an object or object key.
This method may be called with a key from _obj_properties. If this
method is going to be called with an object key, to avoid not catching
shadowed libraries, do not pass new _ObjectKey instances to this method.
Instead pass the obj as a string.
In some cases, not all consumers are returned. This may occur when
an soname symlink referencing a library is in an object's runpath while
the actual library is not. For example, this problem is noticeable for
binutils since it's libraries are added to the path via symlinks that
are gemerated in the /usr/$CHOST/lib/ directory by binutils-config.
Failure to recognize consumers of these symlinks makes preserve-libs
fail to preserve binutils libs that are needed by these unrecognized
consumers.
Note that library consumption via dlopen (common for kde plugins) is
currently undetected. However, it is possible to use the
corresponding libtool archive (*.la) files to detect such consumers
(revdep-rebuild is able to detect them).
@param obj: absolute path to an object or a key from _obj_properties
@type obj: string (example: '/usr/bin/bar') or _ObjectKey
@rtype: set of strings (example: set(['/bin/foo', '/usr/bin/bar']))
@return: The return value is a soname -> set-of-library-paths, where
set-of-library-paths satisfy soname.
"""
os = _os_merge
rValue = set()
if not self._libs:
self.rebuild()
# Determine the obj_key and the set of objects matching the arguments.
if isinstance(obj, self._ObjectKey):
obj_key = obj
if obj_key not in self._obj_properties:
raise KeyError("%s not in object list" % obj_key)
objs = self._obj_properties[obj_key][4]
else:
objs = set([obj])
obj_key = self._obj_key(obj)
if obj_key not in self._obj_properties:
raise KeyError("%s (%s) not in object list" % (obj_key, obj))
# If there is another version of this lib with the
# same soname and the master link points to that
# other version, this lib will be shadowed and won't
# have any consumers.
if not isinstance(obj, self._ObjectKey):
soname = self._obj_properties[obj_key][3]
master_link = os.path.join(self._root,
os.path.dirname(obj).lstrip(os.path.sep), soname)
try:
master_st = os.stat(master_link)
obj_st = os.stat(obj)
except OSError:
pass
else:
if (obj_st.st_dev, obj_st.st_ino) != \
(master_st.st_dev, master_st.st_ino):
return set()
# Determine the directory(ies) from the set of objects.
objs_dir_keys = set(self._path_key(os.path.dirname(x)) for x in objs)
defpath_keys = set(self._path_key(x) for x in self._defpath)
arch, _, _, soname, _ = self._obj_properties[obj_key]
if arch in self._libs and soname in self._libs[arch]:
# For each potential consumer, add it to rValue if an object from the
# arguments resides in the consumer's runpath.
for consumer_key in self._libs[arch][soname].consumers:
_, _, path, _, consumer_objs = \
self._obj_properties[consumer_key]
path_keys = defpath_keys.union(self._path_key(x) for x in path)
if objs_dir_keys.intersection(path_keys):
rValue.update(consumer_objs)
return rValue
class vardbapi(dbapi):
_excluded_dirs = ["CVS", "lost+found"]
_excluded_dirs = [re.escape(x) for x in _excluded_dirs]
_excluded_dirs = re.compile(r'^(\..*|-MERGING-.*|' + \
"|".join(_excluded_dirs) + r')$')
_aux_cache_version = "1"
_owners_cache_version = "1"
# Number of uncached packages to trigger cache update, since
# it's wasteful to update it for every vdb change.
_aux_cache_threshold = 5
_aux_cache_keys_re = re.compile(r'^NEEDED\..*$')
_aux_multi_line_re = re.compile(r'^(CONTENTS|NEEDED\..*)$')
def __init__(self, root, categories=None, settings=None, vartree=None):
"""
The categories parameter is unused since the dbapi class
now has a categories property that is generated from the
available packages.
"""
self.root = _unicode_decode(root,
encoding=_encodings['content'], errors='strict')
# Used by emerge to check whether any packages
# have been added or removed.
self._pkgs_changed = False
#cache for category directory mtimes
self.mtdircache = {}
#cache for dependency checks
self.matchcache = {}
#cache for cp_list results
self.cpcache = {}
self.blockers = None
if settings is None:
from portage import settings
self.settings = settings
if vartree is None:
from portage import db
vartree = db[root]["vartree"]
self.vartree = vartree
self._aux_cache_keys = set(
["CHOST", "COUNTER", "DEPEND", "DESCRIPTION",
"EAPI", "HOMEPAGE", "IUSE", "KEYWORDS",
"LICENSE", "PDEPEND", "PROPERTIES", "PROVIDE", "RDEPEND",
"repository", "RESTRICT" , "SLOT", "USE"])
self._aux_cache_obj = None
self._aux_cache_filename = os.path.join(self.root,
CACHE_PATH, "vdb_metadata.pickle")
self._counter_path = os.path.join(root,
CACHE_PATH, "counter")
try:
self.plib_registry = PreservedLibsRegistry(self.root,
os.path.join(self.root, PRIVATE_PATH, "preserved_libs_registry"))
except PermissionDenied:
# apparently this user isn't allowed to access PRIVATE_PATH
self.plib_registry = None
self.linkmap = LinkageMap(self)
self._owners = self._owners_db(self)
def getpath(self, mykey, filename=None):
# This is an optimized hotspot, so don't use unicode-wrapped
# os module and don't use os.path.join().
rValue = self.root + _os.sep + VDB_PATH + _os.sep + mykey
if filename is not None:
# If filename is always relative, we can do just
# rValue += _os.sep + filename
rValue = _os.path.join(rValue, filename)
return rValue
def _bump_mtime(self, cpv):
"""
This is called before an after any modifications, so that consumers
can use directory mtimes to validate caches. See bug #290428.
"""
base = self.root + _os.sep + VDB_PATH
cat = catsplit(cpv)[0]
catdir = base + _os.sep + cat
t = time.time()
t = (t, t)
try:
for x in (catdir, base):
os.utime(x, t)
except OSError:
os.makedirs(catdir)
def cpv_exists(self, mykey):
"Tells us whether an actual ebuild exists on disk (no masking)"
return os.path.exists(self.getpath(mykey))
def cpv_counter(self, mycpv):
"This method will grab the COUNTER. Returns a counter value."
try:
return long(self.aux_get(mycpv, ["COUNTER"])[0])
except (KeyError, ValueError):
pass
writemsg_level(_("portage: COUNTER for %s was corrupted; " \
"resetting to value of 0\n") % (mycpv,),
level=logging.ERROR, noiselevel=-1)
return 0
def cpv_inject(self, mycpv):
"injects a real package into our on-disk database; assumes mycpv is valid and doesn't already exist"
os.makedirs(self.getpath(mycpv))
counter = self.counter_tick(self.root, mycpv=mycpv)
# write local package counter so that emerge clean does the right thing
write_atomic(self.getpath(mycpv, filename="COUNTER"), str(counter))
def isInjected(self, mycpv):
if self.cpv_exists(mycpv):
if os.path.exists(self.getpath(mycpv, filename="INJECTED")):
return True
if not os.path.exists(self.getpath(mycpv, filename="CONTENTS")):
return True
return False
def move_ent(self, mylist):
origcp = mylist[1]
newcp = mylist[2]
# sanity check
for atom in (origcp, newcp):
if not isjustname(atom):
raise InvalidPackageName(str(atom))
origmatches = self.match(origcp, use_cache=0)
moves = 0
if not origmatches:
return moves
for mycpv in origmatches:
mycpv_cp = cpv_getkey(mycpv)
if mycpv_cp != origcp:
# Ignore PROVIDE virtual match.
continue
mynewcpv = mycpv.replace(mycpv_cp, str(newcp), 1)
mynewcat = catsplit(newcp)[0]
origpath = self.getpath(mycpv)
if not os.path.exists(origpath):
continue
moves += 1
if not os.path.exists(self.getpath(mynewcat)):
#create the directory
os.makedirs(self.getpath(mynewcat))
newpath = self.getpath(mynewcpv)
if os.path.exists(newpath):
#dest already exists; keep this puppy where it is.
continue
_movefile(origpath, newpath, mysettings=self.settings)
# We need to rename the ebuild now.
old_pf = catsplit(mycpv)[1]
new_pf = catsplit(mynewcpv)[1]
if new_pf != old_pf:
try:
os.rename(os.path.join(newpath, old_pf + ".ebuild"),
os.path.join(newpath, new_pf + ".ebuild"))
except EnvironmentError as e:
if e.errno != errno.ENOENT:
raise
del e
write_atomic(os.path.join(newpath, "PF"), new_pf+"\n")
write_atomic(os.path.join(newpath, "CATEGORY"), mynewcat+"\n")
fixdbentries([mylist], newpath)
return moves
def cp_list(self, mycp, use_cache=1):
mysplit=catsplit(mycp)
if mysplit[0] == '*':
mysplit[0] = mysplit[0][1:]
try:
mystat = os.stat(self.getpath(mysplit[0])).st_mtime
except OSError:
mystat = 0
if use_cache and mycp in self.cpcache:
cpc = self.cpcache[mycp]
if cpc[0] == mystat:
return cpc[1][:]
cat_dir = self.getpath(mysplit[0])
try:
dir_list = os.listdir(cat_dir)
except EnvironmentError as e:
if e.errno == PermissionDenied.errno:
raise PermissionDenied(cat_dir)
del e
dir_list = []
returnme = []
for x in dir_list:
if self._excluded_dirs.match(x) is not None:
continue
ps = pkgsplit(x)
if not ps:
self.invalidentry(os.path.join(self.getpath(mysplit[0]), x))
continue
if len(mysplit) > 1:
if ps[0] == mysplit[1]:
returnme.append(mysplit[0]+"/"+x)
self._cpv_sort_ascending(returnme)
if use_cache:
self.cpcache[mycp] = [mystat, returnme[:]]
elif mycp in self.cpcache:
del self.cpcache[mycp]
return returnme
def cpv_all(self, use_cache=1):
"""
Set use_cache=0 to bypass the portage.cachedir() cache in cases
when the accuracy of mtime staleness checks should not be trusted
(generally this is only necessary in critical sections that
involve merge or unmerge of packages).
"""
returnme = []
basepath = os.path.join(self.root, VDB_PATH) + os.path.sep
if use_cache:
from portage import listdir
else:
def listdir(p, **kwargs):
try:
return [x for x in os.listdir(p) \
if os.path.isdir(os.path.join(p, x))]
except EnvironmentError as e:
if e.errno == PermissionDenied.errno:
raise PermissionDenied(p)
del e
return []
for x in listdir(basepath, EmptyOnError=1, ignorecvs=1, dirsonly=1):
if self._excluded_dirs.match(x) is not None:
continue
if not self._category_re.match(x):
continue
for y in listdir(basepath + x, EmptyOnError=1, dirsonly=1):
if self._excluded_dirs.match(y) is not None:
continue
subpath = x + "/" + y
# -MERGING- should never be a cpv, nor should files.
try:
if catpkgsplit(subpath) is None:
self.invalidentry(self.getpath(subpath))
continue
except InvalidData:
self.invalidentry(self.getpath(subpath))
continue
returnme.append(subpath)
return returnme
def cp_all(self, use_cache=1):
mylist = self.cpv_all(use_cache=use_cache)
d={}
for y in mylist:
if y[0] == '*':
y = y[1:]
try:
mysplit = catpkgsplit(y)
except InvalidData:
self.invalidentry(self.getpath(y))
continue
if not mysplit:
self.invalidentry(self.getpath(y))
continue
d[mysplit[0]+"/"+mysplit[1]] = None
return list(d)
def checkblockers(self, origdep):
pass
def _clear_cache(self):
self.mtdircache.clear()
self.matchcache.clear()
self.cpcache.clear()
self._aux_cache_obj = None
def _add(self, pkg_dblink):
self._pkgs_changed = True
self._clear_pkg_cache(pkg_dblink)
def _remove(self, pkg_dblink):
self._pkgs_changed = True
self._clear_pkg_cache(pkg_dblink)
def _clear_pkg_cache(self, pkg_dblink):
# Due to 1 second mtime granularity in <python-2.5, mtime checks
# are not always sufficient to invalidate vardbapi caches. Therefore,
# the caches need to be actively invalidated here.
self.mtdircache.pop(pkg_dblink.cat, None)
self.matchcache.pop(pkg_dblink.cat, None)
self.cpcache.pop(pkg_dblink.mysplit[0], None)
from portage import dircache
dircache.pop(pkg_dblink.dbcatdir, None)
def match(self, origdep, use_cache=1):
"caching match function"
mydep = dep_expand(
origdep, mydb=self, use_cache=use_cache, settings=self.settings)
mykey = dep_getkey(mydep)
mycat = catsplit(mykey)[0]
if not use_cache:
if mycat in self.matchcache:
del self.mtdircache[mycat]
del self.matchcache[mycat]
return list(self._iter_match(mydep,
self.cp_list(mydep.cp, use_cache=use_cache)))
try:
curmtime = os.stat(os.path.join(self.root, VDB_PATH, mycat)).st_mtime
except (IOError, OSError):
curmtime=0
if mycat not in self.matchcache or \
self.mtdircache[mycat] != curmtime:
# clear cache entry
self.mtdircache[mycat] = curmtime
self.matchcache[mycat] = {}
if mydep not in self.matchcache[mycat]:
mymatch = list(self._iter_match(mydep,
self.cp_list(mydep.cp, use_cache=use_cache)))
self.matchcache[mycat][mydep] = mymatch
return self.matchcache[mycat][mydep][:]
def findname(self, mycpv):
return self.getpath(str(mycpv), filename=catsplit(mycpv)[1]+".ebuild")
def flush_cache(self):
"""If the current user has permission and the internal aux_get cache has
been updated, save it to disk and mark it unmodified. This is called
by emerge after it has loaded the full vdb for use in dependency
calculations. Currently, the cache is only written if the user has
superuser privileges (since that's required to obtain a lock), but all
users have read access and benefit from faster metadata lookups (as
long as at least part of the cache is still valid)."""
if self._aux_cache is not None and \
len(self._aux_cache["modified"]) >= self._aux_cache_threshold and \
secpass >= 2:
self._owners.populate() # index any unindexed contents
valid_nodes = set(self.cpv_all())
for cpv in list(self._aux_cache["packages"]):
if cpv not in valid_nodes:
del self._aux_cache["packages"][cpv]
del self._aux_cache["modified"]
try:
f = atomic_ofstream(self._aux_cache_filename, 'wb')
pickle.dump(self._aux_cache, f, protocol=2)
f.close()
apply_secpass_permissions(
self._aux_cache_filename, gid=portage_gid, mode=0o644)
except (IOError, OSError) as e:
pass
self._aux_cache["modified"] = set()
@property
def _aux_cache(self):
if self._aux_cache_obj is None:
self._aux_cache_init()
return self._aux_cache_obj
def _aux_cache_init(self):
aux_cache = None
open_kwargs = {}
if sys.hexversion >= 0x3000000:
# Buffered io triggers extreme performance issues in
# Unpickler.load() (problem observed with python-3.0.1).
# Unfortunately, performance is still poor relative to
# python-2.x, but buffering makes it much worse.
open_kwargs["buffering"] = 0
try:
f = open(_unicode_encode(self._aux_cache_filename,
encoding=_encodings['fs'], errors='strict'),
mode='rb', **open_kwargs)
mypickle = pickle.Unpickler(f)
try:
mypickle.find_global = None
except AttributeError:
# TODO: If py3k, override Unpickler.find_class().
pass
aux_cache = mypickle.load()
f.close()
del f
except (IOError, OSError, EOFError, ValueError, pickle.UnpicklingError) as e:
if isinstance(e, pickle.UnpicklingError):
writemsg(_("!!! Error loading '%s': %s\n") % \
(self._aux_cache_filename, str(e)), noiselevel=-1)
del e
if not aux_cache or \
not isinstance(aux_cache, dict) or \
aux_cache.get("version") != self._aux_cache_version or \
not aux_cache.get("packages"):
aux_cache = {"version": self._aux_cache_version}
aux_cache["packages"] = {}
owners = aux_cache.get("owners")
if owners is not None:
if not isinstance(owners, dict):
owners = None
elif "version" not in owners:
owners = None
elif owners["version"] != self._owners_cache_version:
owners = None
elif "base_names" not in owners:
owners = None
elif not isinstance(owners["base_names"], dict):
owners = None
if owners is None:
owners = {
"base_names" : {},
"version" : self._owners_cache_version
}
aux_cache["owners"] = owners
aux_cache["modified"] = set()
self._aux_cache_obj = aux_cache
def aux_get(self, mycpv, wants):
"""This automatically caches selected keys that are frequently needed
by emerge for dependency calculations. The cached metadata is
considered valid if the mtime of the package directory has not changed
since the data was cached. The cache is stored in a pickled dict
object with the following format:
{version:"1", "packages":{cpv1:(mtime,{k1,v1, k2,v2, ...}), cpv2...}}
If an error occurs while loading the cache pickle or the version is
unrecognized, the cache will simple be recreated from scratch (it is
completely disposable).
"""
cache_these_wants = self._aux_cache_keys.intersection(wants)
for x in wants:
if self._aux_cache_keys_re.match(x) is not None:
cache_these_wants.add(x)
if not cache_these_wants:
return self._aux_get(mycpv, wants)
cache_these = set(self._aux_cache_keys)
cache_these.update(cache_these_wants)
mydir = self.getpath(mycpv)
mydir_stat = None
try:
mydir_stat = os.stat(mydir)
except OSError as e:
if e.errno != errno.ENOENT:
raise
raise KeyError(mycpv)
mydir_mtime = mydir_stat[stat.ST_MTIME]
pkg_data = self._aux_cache["packages"].get(mycpv)
pull_me = cache_these.union(wants)
mydata = {"_mtime_" : mydir_mtime}
cache_valid = False
cache_incomplete = False
cache_mtime = None
metadata = None
if pkg_data is not None:
if not isinstance(pkg_data, tuple) or len(pkg_data) != 2:
pkg_data = None
else:
cache_mtime, metadata = pkg_data
if not isinstance(cache_mtime, (long, int)) or \
not isinstance(metadata, dict):
pkg_data = None
if pkg_data:
cache_mtime, metadata = pkg_data
cache_valid = cache_mtime == mydir_mtime
if cache_valid:
# Migrate old metadata to unicode.
for k, v in metadata.items():
metadata[k] = _unicode_decode(v,
encoding=_encodings['repo.content'], errors='replace')
mydata.update(metadata)
pull_me.difference_update(mydata)
if pull_me:
# pull any needed data and cache it
aux_keys = list(pull_me)
for k, v in zip(aux_keys,
self._aux_get(mycpv, aux_keys, st=mydir_stat)):
mydata[k] = v
if not cache_valid or cache_these.difference(metadata):
cache_data = {}
if cache_valid and metadata:
cache_data.update(metadata)
for aux_key in cache_these:
cache_data[aux_key] = mydata[aux_key]
self._aux_cache["packages"][mycpv] = (mydir_mtime, cache_data)
self._aux_cache["modified"].add(mycpv)
if _slot_re.match(mydata['SLOT']) is None:
# Empty or invalid slot triggers InvalidAtom exceptions when
# generating slot atoms for packages, so translate it to '0' here.
mydata['SLOT'] = _unicode_decode('0')
return [mydata[x] for x in wants]
def _aux_get(self, mycpv, wants, st=None):
mydir = self.getpath(mycpv)
if st is None:
try:
st = os.stat(mydir)
except OSError as e:
if e.errno == errno.ENOENT:
raise KeyError(mycpv)
elif e.errno == PermissionDenied.errno:
raise PermissionDenied(mydir)
else:
raise
if not stat.S_ISDIR(st.st_mode):
raise KeyError(mycpv)
results = []
for x in wants:
if x == "_mtime_":
results.append(st[stat.ST_MTIME])
continue
try:
myf = codecs.open(
_unicode_encode(os.path.join(mydir, x),
encoding=_encodings['fs'], errors='strict'),
mode='r', encoding=_encodings['repo.content'],
errors='replace')
try:
myd = myf.read()
finally:
myf.close()
# Preserve \n for metadata that is known to
# contain multiple lines.
if self._aux_multi_line_re.match(x) is None:
myd = " ".join(myd.split())
except IOError:
myd = _unicode_decode('')
if x == "EAPI" and not myd:
results.append(_unicode_decode('0'))
else:
results.append(myd)
return results
def aux_update(self, cpv, values):
self._bump_mtime(cpv)
cat, pkg = catsplit(cpv)
mylink = dblink(cat, pkg, self.root, self.settings,
treetype="vartree", vartree=self.vartree)
if not mylink.exists():
raise KeyError(cpv)
for k, v in values.items():
if v:
mylink.setfile(k, v)
else:
try:
os.unlink(os.path.join(self.getpath(cpv), k))
except EnvironmentError:
pass
self._bump_mtime(cpv)
def counter_tick(self, myroot, mycpv=None):
return self.counter_tick_core(myroot, incrementing=1, mycpv=mycpv)
def get_counter_tick_core(self, myroot, mycpv=None):
"""
Use this method to retrieve the counter instead
of having to trust the value of a global counter
file that can lead to invalid COUNTER
generation. When cache is valid, the package COUNTER
files are not read and we rely on the timestamp of
the package directory to validate cache. The stat
calls should only take a short time, so performance
is sufficient without having to rely on a potentially
corrupt global counter file.
The global counter file located at
$CACHE_PATH/counter serves to record the
counter of the last installed package and
it also corresponds to the total number of
installation actions that have occurred in
the history of this package database.
"""
cp_list = self.cp_list
max_counter = 0
for cp in self.cp_all():
for cpv in cp_list(cp):
try:
counter = int(self.aux_get(cpv, ["COUNTER"])[0])
except (KeyError, OverflowError, ValueError):
continue
if counter > max_counter:
max_counter = counter
new_vdb = False
counter = -1
try:
cfile = codecs.open(
_unicode_encode(self._counter_path,
encoding=_encodings['fs'], errors='strict'),
mode='r', encoding=_encodings['repo.content'],
errors='replace')
except EnvironmentError as e:
new_vdb = not bool(self.cpv_all())
if not new_vdb:
writemsg(_("!!! Unable to read COUNTER file: '%s'\n") % \
self._counter_path, noiselevel=-1)
writemsg("!!! %s\n" % str(e), noiselevel=-1)
del e
else:
try:
try:
counter = long(cfile.readline().strip())
finally:
cfile.close()
except (OverflowError, ValueError) as e:
writemsg(_("!!! COUNTER file is corrupt: '%s'\n") % \
self._counter_path, noiselevel=-1)
writemsg("!!! %s\n" % str(e), noiselevel=-1)
del e
# We must ensure that we return a counter
# value that is at least as large as the
# highest one from the installed packages,
# since having a corrupt value that is too low
# can trigger incorrect AUTOCLEAN behavior due
# to newly installed packages having lower
# COUNTERs than the previous version in the
# same slot.
if counter > max_counter:
max_counter = counter
if counter < 0 and not new_vdb:
writemsg(_("!!! Initializing COUNTER to " \
"value of %d\n") % max_counter, noiselevel=-1)
return max_counter + 1
def counter_tick_core(self, myroot, incrementing=1, mycpv=None):
"This method will grab the next COUNTER value and record it back to the global file. Returns new counter value."
counter = self.get_counter_tick_core(myroot, mycpv=mycpv) - 1
if incrementing:
#increment counter
counter += 1
# update new global counter file
write_atomic(self._counter_path, str(counter))
return counter
def _dblink(self, cpv):
category, pf = catsplit(cpv)
return dblink(category, pf, self.root,
self.settings, vartree=self.vartree, treetype="vartree")
def removeFromContents(self, pkg, paths, relative_paths=True):
"""
@param pkg: cpv for an installed package
@type pkg: string
@param paths: paths of files to remove from contents
@type paths: iterable
"""
if not hasattr(pkg, "getcontents"):
pkg = self._dblink(pkg)
root = self.root
root_len = len(root) - 1
new_contents = pkg.getcontents().copy()
removed = 0
for filename in paths:
filename = _unicode_decode(filename,
encoding=_encodings['content'], errors='strict')
filename = normalize_path(filename)
if relative_paths:
relative_filename = filename
else:
relative_filename = filename[root_len:]
contents_key = pkg._match_contents(relative_filename, root)
if contents_key:
del new_contents[contents_key]
removed += 1
if removed:
self._bump_mtime(pkg.mycpv)
f = atomic_ofstream(os.path.join(pkg.dbdir, "CONTENTS"))
write_contents(new_contents, root, f)
f.close()
self._bump_mtime(pkg.mycpv)
pkg._clear_contents_cache()
class _owners_cache(object):
"""
This class maintains an hash table that serves to index package
contents by mapping the basename of file to a list of possible
packages that own it. This is used to optimize owner lookups
by narrowing the search down to a smaller number of packages.
"""
try:
from hashlib import md5 as _new_hash
except ImportError:
from md5 import new as _new_hash
_hash_bits = 16
_hex_chars = int(_hash_bits / 4)
def __init__(self, vardb):
self._vardb = vardb
def add(self, cpv):
root_len = len(self._vardb.root)
contents = self._vardb._dblink(cpv).getcontents()
pkg_hash = self._hash_pkg(cpv)
if not contents:
# Empty path is a code used to represent empty contents.
self._add_path("", pkg_hash)
for x in contents:
self._add_path(x[root_len:], pkg_hash)
self._vardb._aux_cache["modified"].add(cpv)
def _add_path(self, path, pkg_hash):
"""
Empty path is a code that represents empty contents.
"""
if path:
name = os.path.basename(path.rstrip(os.path.sep))
if not name:
return
else:
name = path
name_hash = self._hash_str(name)
base_names = self._vardb._aux_cache["owners"]["base_names"]
pkgs = base_names.get(name_hash)
if pkgs is None:
pkgs = {}
base_names[name_hash] = pkgs
pkgs[pkg_hash] = None
def _hash_str(self, s):
h = self._new_hash()
# Always use a constant utf_8 encoding here, since
# the "default" encoding can change.
h.update(_unicode_encode(s,
encoding=_encodings['repo.content'],
errors='backslashreplace'))
h = h.hexdigest()
h = h[-self._hex_chars:]
h = int(h, 16)
return h
def _hash_pkg(self, cpv):
counter, mtime = self._vardb.aux_get(
cpv, ["COUNTER", "_mtime_"])
try:
counter = int(counter)
except ValueError:
counter = 0
return (cpv, counter, mtime)
class _owners_db(object):
def __init__(self, vardb):
self._vardb = vardb
def populate(self):
self._populate()
def _populate(self):
owners_cache = vardbapi._owners_cache(self._vardb)
cached_hashes = set()
base_names = self._vardb._aux_cache["owners"]["base_names"]
# Take inventory of all cached package hashes.
for name, hash_values in list(base_names.items()):
if not isinstance(hash_values, dict):
del base_names[name]
continue
cached_hashes.update(hash_values)
# Create sets of valid package hashes and uncached packages.
uncached_pkgs = set()
hash_pkg = owners_cache._hash_pkg
valid_pkg_hashes = set()
for cpv in self._vardb.cpv_all():
hash_value = hash_pkg(cpv)
valid_pkg_hashes.add(hash_value)
if hash_value not in cached_hashes:
uncached_pkgs.add(cpv)
# Cache any missing packages.
for cpv in uncached_pkgs:
owners_cache.add(cpv)
# Delete any stale cache.
stale_hashes = cached_hashes.difference(valid_pkg_hashes)
if stale_hashes:
for base_name_hash, bucket in list(base_names.items()):
for hash_value in stale_hashes.intersection(bucket):
del bucket[hash_value]
if not bucket:
del base_names[base_name_hash]
return owners_cache
def get_owners(self, path_iter):
"""
@return the owners as a dblink -> set(files) mapping.
"""
owners = {}
for owner, f in self.iter_owners(path_iter):
owned_files = owners.get(owner)
if owned_files is None:
owned_files = set()
owners[owner] = owned_files
owned_files.add(f)
return owners
def getFileOwnerMap(self, path_iter):
owners = self.get_owners(path_iter)
file_owners = {}
for pkg_dblink, files in owners.items():
for f in files:
owner_set = file_owners.get(f)
if owner_set is None:
owner_set = set()
file_owners[f] = owner_set
owner_set.add(pkg_dblink)
return file_owners
def iter_owners(self, path_iter):
"""
Iterate over tuples of (dblink, path). In order to avoid
consuming too many resources for too much time, resources
are only allocated for the duration of a given iter_owners()
call. Therefore, to maximize reuse of resources when searching
for multiple files, it's best to search for them all in a single
call.
"""
owners_cache = self._populate()
vardb = self._vardb
root = vardb.root
hash_pkg = owners_cache._hash_pkg
hash_str = owners_cache._hash_str
base_names = self._vardb._aux_cache["owners"]["base_names"]
dblink_cache = {}
dblink_fifo = deque()
def dblink(cpv):
x = dblink_cache.get(cpv)
if x is None:
if len(dblink_fifo) >= 100:
# Ensure that we don't run out of memory.
del dblink_cache[dblink_fifo.popleft().mycpv]
x = self._vardb._dblink(cpv)
dblink_cache[cpv] = x
dblink_fifo.append(x)
return x
for path in path_iter:
is_basename = os.sep != path[:1]
if is_basename:
name = path
else:
name = os.path.basename(path.rstrip(os.path.sep))
if not name:
continue
name_hash = hash_str(name)
pkgs = base_names.get(name_hash)
if pkgs is not None:
for hash_value in pkgs:
if not isinstance(hash_value, tuple) or \
len(hash_value) != 3:
continue
cpv, counter, mtime = hash_value
if not isinstance(cpv, basestring):
continue
try:
current_hash = hash_pkg(cpv)
except KeyError:
continue
if current_hash != hash_value:
continue
if is_basename:
for p in dblink(cpv).getcontents():
if os.path.basename(p) == name:
yield dblink(cpv), p[len(root):]
else:
if dblink(cpv).isowner(path, root):
yield dblink(cpv), path
class vartree(object):
"this tree will scan a var/db/pkg database located at root (passed to init)"
def __init__(self, root="/", virtual=None, clone=None, categories=None,
settings=None):
if clone:
writemsg("vartree.__init__(): deprecated " + \
"use of clone parameter\n", noiselevel=-1)
self.root = clone.root[:]
self.dbapi = copy.deepcopy(clone.dbapi)
self.populated = 1
from portage import config
self.settings = config(clone=clone.settings)
else:
self.root = root[:]
if settings is None:
from portage import settings
self.settings = settings # for key_expand calls
if categories is None:
categories = settings.categories
self.dbapi = vardbapi(self.root, categories=categories,
settings=settings, vartree=self)
self.populated = 1
def getpath(self, mykey, filename=None):
return self.dbapi.getpath(mykey, filename=filename)
def zap(self, mycpv):
return
def inject(self, mycpv):
return
def get_provide(self, mycpv):
myprovides = []
mylines = None
try:
mylines, myuse = self.dbapi.aux_get(mycpv, ["PROVIDE", "USE"])
if mylines:
myuse = myuse.split()
mylines = flatten(use_reduce(paren_reduce(mylines), uselist=myuse))
for myprovide in mylines:
mys = catpkgsplit(myprovide)
if not mys:
mys = myprovide.split("/")
myprovides += [mys[0] + "/" + mys[1]]
return myprovides
except SystemExit as e:
raise
except Exception as e:
mydir = os.path.join(self.root, VDB_PATH, mycpv)
writemsg(_("\nParse Error reading PROVIDE and USE in '%s'\n") % mydir,
noiselevel=-1)
if mylines:
writemsg(_("Possibly Invalid: '%s'\n") % str(mylines),
noiselevel=-1)
writemsg(_("Exception: %s\n\n") % str(e), noiselevel=-1)
return []
def get_all_provides(self):
myprovides = {}
for node in self.getallcpv():
for mykey in self.get_provide(node):
if mykey in myprovides:
myprovides[mykey] += [node]
else:
myprovides[mykey] = [node]
return myprovides
def dep_bestmatch(self, mydep, use_cache=1):
"compatibility method -- all matches, not just visible ones"
#mymatch=best(match(dep_expand(mydep,self.dbapi),self.dbapi))
mymatch = best(self.dbapi.match(
dep_expand(mydep, mydb=self.dbapi, settings=self.settings),
use_cache=use_cache))
if mymatch is None:
return ""
else:
return mymatch
def dep_match(self, mydep, use_cache=1):
"compatibility method -- we want to see all matches, not just visible ones"
#mymatch = match(mydep,self.dbapi)
mymatch = self.dbapi.match(mydep, use_cache=use_cache)
if mymatch is None:
return []
else:
return mymatch
def exists_specific(self, cpv):
return self.dbapi.cpv_exists(cpv)
def getallcpv(self):
"""temporary function, probably to be renamed --- Gets a list of all
category/package-versions installed on the system."""
return self.dbapi.cpv_all()
def getallnodes(self):
"""new behavior: these are all *unmasked* nodes. There may or may not be available
masked package for nodes in this nodes list."""
return self.dbapi.cp_all()
def exists_specific_cat(self, cpv, use_cache=1):
warnings.warn(
"portage.dbapi.vartree.vartree.exists_specific_cat() is deprecated",
DeprecationWarning)
cpv = key_expand(cpv, mydb=self.dbapi, use_cache=use_cache,
settings=self.settings)
a = catpkgsplit(cpv)
if not a:
return 0
mylist = listdir(self.getpath(a[0]), EmptyOnError=1)
for x in mylist:
b = pkgsplit(x)
if not b:
self.dbapi.invalidentry(self.getpath(a[0], filename=x))
continue
if a[1] == b[0]:
return 1
return 0
def getebuildpath(self, fullpackage):
cat, package = catsplit(fullpackage)
return self.getpath(fullpackage, filename=package+".ebuild")
def getnode(self, mykey, use_cache=1):
warnings.warn(
"portage.dbapi.vartree.vartree.getnode() is deprecated",
DeprecationWarning)
mykey = key_expand(mykey, mydb=self.dbapi, use_cache=use_cache,
settings=self.settings)
if not mykey:
return []
mysplit = catsplit(mykey)
mydirlist = listdir(self.getpath(mysplit[0]),EmptyOnError=1)
returnme = []
for x in mydirlist:
mypsplit = pkgsplit(x)
if not mypsplit:
self.dbapi.invalidentry(self.getpath(mysplit[0], filename=x))
continue
if mypsplit[0] == mysplit[1]:
appendme = [mysplit[0]+"/"+x, [mysplit[0], mypsplit[0], mypsplit[1], mypsplit[2]]]
returnme.append(appendme)
return returnme
def getslot(self, mycatpkg):
"Get a slot for a catpkg; assume it exists."
try:
return self.dbapi.aux_get(mycatpkg, ["SLOT"])[0]
except KeyError:
return ""
def hasnode(self, mykey, use_cache):
"""Does the particular node (cat/pkg key) exist?"""
warnings.warn(
"portage.dbapi.vartree.vartree.hadnode() is deprecated",
DeprecationWarning)
mykey = key_expand(mykey, mydb=self.dbapi, use_cache=use_cache,
settings=self.settings)
mysplit = catsplit(mykey)
mydirlist = listdir(self.getpath(mysplit[0]), EmptyOnError=1)
for x in mydirlist:
mypsplit = pkgsplit(x)
if not mypsplit:
self.dbapi.invalidentry(self.getpath(mysplit[0], filename=x))
continue
if mypsplit[0] == mysplit[1]:
return 1
return 0
def populate(self):
self.populated=1
class dblink(object):
"""
This class provides an interface to the installed package database
At present this is implemented as a text backend in /var/db/pkg.
"""
import re
_normalize_needed = re.compile(r'.*//.*|^[^/]|.+/$|(^|.*/)\.\.?(/.*|$)')
_contents_split_counts = {
"dev": 2,
"dir": 2,
"fif": 2,
"obj": 4,
"sym": 5
}
# When looping over files for merge/unmerge, temporarily yield to the
# scheduler each time this many files are processed.
_file_merge_yield_interval = 20
def __init__(self, cat, pkg, myroot, mysettings, treetype=None,
vartree=None, blockers=None, scheduler=None):
"""
Creates a DBlink object for a given CPV.
The given CPV may not be present in the database already.
@param cat: Category
@type cat: String
@param pkg: Package (PV)
@type pkg: String
@param myroot: Typically ${ROOT}
@type myroot: String (Path)
@param mysettings: Typically portage.config
@type mysettings: An instance of portage.config
@param treetype: one of ['porttree','bintree','vartree']
@type treetype: String
@param vartree: an instance of vartree corresponding to myroot.
@type vartree: vartree
"""
self.cat = cat
self.pkg = pkg
self.mycpv = self.cat + "/" + self.pkg
self.mysplit = list(catpkgsplit(self.mycpv)[1:])
self.mysplit[0] = "%s/%s" % (self.cat, self.mysplit[0])
self.treetype = treetype
if vartree is None:
from portage import db
vartree = db[myroot]["vartree"]
self.vartree = vartree
self._blockers = blockers
self._scheduler = scheduler
self.dbroot = normalize_path(os.path.join(myroot, VDB_PATH))
self.dbcatdir = self.dbroot+"/"+cat
self.dbpkgdir = self.dbcatdir+"/"+pkg
self.dbtmpdir = self.dbcatdir+"/-MERGING-"+pkg
self.dbdir = self.dbpkgdir
self._lock_vdb = None
self.settings = mysettings
self._verbose = self.settings.get("PORTAGE_VERBOSE") == "1"
self.myroot=myroot
protect_obj = ConfigProtect(myroot,
portage.util.shlex_split(mysettings.get("CONFIG_PROTECT", "")),
portage.util.shlex_split(
mysettings.get("CONFIG_PROTECT_MASK", "")))
self.updateprotect = protect_obj.updateprotect
self.isprotected = protect_obj.isprotected
self._installed_instance = None
self.contentscache = None
self._contents_inodes = None
self._contents_basenames = None
self._linkmap_broken = False
self._md5_merge_map = {}
self._hash_key = (self.myroot, self.mycpv)
def __hash__(self):
return hash(self._hash_key)
def __eq__(self, other):
return isinstance(other, dblink) and \
self._hash_key == other._hash_key
def lockdb(self):
if self._lock_vdb:
raise AssertionError("Lock already held.")
# At least the parent needs to exist for the lock file.
ensure_dirs(self.dbroot)
self._lock_vdb = lockdir(self.dbroot)
def unlockdb(self):
if self._lock_vdb:
unlockdir(self._lock_vdb)
self._lock_vdb = None
def getpath(self):
"return path to location of db information (for >>> informational display)"
return self.dbdir
def exists(self):
"does the db entry exist? boolean."
return os.path.exists(self.dbdir)
def delete(self):
"""
Remove this entry from the database
"""
if not os.path.exists(self.dbdir):
return
# Check validity of self.dbdir before attempting to remove it.
if not self.dbdir.startswith(self.dbroot):
writemsg(_("portage.dblink.delete(): invalid dbdir: %s\n") % \
self.dbdir, noiselevel=-1)
return
shutil.rmtree(self.dbdir)
# If empty, remove parent category directory.
try:
os.rmdir(os.path.dirname(self.dbdir))
except OSError:
pass
self.vartree.dbapi._remove(self)
def clearcontents(self):
"""
For a given db entry (self), erase the CONTENTS values.
"""
if os.path.exists(self.dbdir+"/CONTENTS"):
os.unlink(self.dbdir+"/CONTENTS")
def _clear_contents_cache(self):
self.contentscache = None
self._contents_inodes = None
self._contents_basenames = None
def getcontents(self):
"""
Get the installed files of a given package (aka what that package installed)
"""
contents_file = os.path.join(self.dbdir, "CONTENTS")
if self.contentscache is not None:
return self.contentscache
pkgfiles = {}
try:
myc = codecs.open(_unicode_encode(contents_file,
encoding=_encodings['fs'], errors='strict'),
mode='r', encoding=_encodings['repo.content'],
errors='replace')
except EnvironmentError as e:
if e.errno != errno.ENOENT:
raise
del e
self.contentscache = pkgfiles
return pkgfiles
mylines = myc.readlines()
myc.close()
null_byte = "\0"
normalize_needed = self._normalize_needed
contents_split_counts = self._contents_split_counts
myroot = self.myroot
if myroot == os.path.sep:
myroot = None
pos = 0
errors = []
for pos, line in enumerate(mylines):
if null_byte in line:
# Null bytes are a common indication of corruption.
errors.append((pos + 1, _("Null byte found in CONTENTS entry")))
continue
line = line.rstrip("\n")
# Split on " " so that even file paths that
# end with spaces can be handled.
mydat = line.split(" ")
entry_type = mydat[0] # empty string if line is empty
correct_split_count = contents_split_counts.get(entry_type)
if correct_split_count and len(mydat) > correct_split_count:
# Apparently file paths contain spaces, so reassemble
# the split have the correct_split_count.
newsplit = [entry_type]
spaces_total = len(mydat) - correct_split_count
if entry_type == "sym":
try:
splitter = mydat.index("->", 2, len(mydat) - 2)
except ValueError:
errors.append((pos + 1, _("Unrecognized CONTENTS entry")))
continue
spaces_in_path = splitter - 2
spaces_in_target = spaces_total - spaces_in_path
newsplit.append(" ".join(mydat[1:splitter]))
newsplit.append("->")
target_end = splitter + spaces_in_target + 2
newsplit.append(" ".join(mydat[splitter + 1:target_end]))
newsplit.extend(mydat[target_end:])
else:
path_end = spaces_total + 2
newsplit.append(" ".join(mydat[1:path_end]))
newsplit.extend(mydat[path_end:])
mydat = newsplit
# we do this so we can remove from non-root filesystems
# (use the ROOT var to allow maintenance on other partitions)
try:
if normalize_needed.match(mydat[1]):
mydat[1] = normalize_path(mydat[1])
if not mydat[1].startswith(os.path.sep):
mydat[1] = os.path.sep + mydat[1]
if myroot:
mydat[1] = os.path.join(myroot, mydat[1].lstrip(os.path.sep))
if mydat[0] == "obj":
#format: type, mtime, md5sum
pkgfiles[mydat[1]] = [mydat[0], mydat[3], mydat[2]]
elif mydat[0] == "dir":
#format: type
pkgfiles[mydat[1]] = [mydat[0]]
elif mydat[0] == "sym":
#format: type, mtime, dest
pkgfiles[mydat[1]] = [mydat[0], mydat[4], mydat[3]]
elif mydat[0] == "dev":
#format: type
pkgfiles[mydat[1]] = [mydat[0]]
elif mydat[0]=="fif":
#format: type
pkgfiles[mydat[1]] = [mydat[0]]
else:
errors.append((pos + 1, _("Unrecognized CONTENTS entry")))
except (KeyError, IndexError):
errors.append((pos + 1, _("Unrecognized CONTENTS entry")))
if errors:
writemsg(_("!!! Parse error in '%s'\n") % contents_file, noiselevel=-1)
for pos, e in errors:
writemsg(_("!!! line %d: %s\n") % (pos, e), noiselevel=-1)
self.contentscache = pkgfiles
return pkgfiles
def unmerge(self, pkgfiles=None, trimworld=1, cleanup=1,
ldpath_mtimes=None, others_in_slot=None):
"""
Calls prerm
Unmerges a given package (CPV)
calls postrm
calls cleanrm
calls env_update
@param pkgfiles: files to unmerge (generally self.getcontents() )
@type pkgfiles: Dictionary
@param trimworld: Remove CPV from world file if True, not if False
@type trimworld: Boolean
@param cleanup: cleanup to pass to doebuild (see doebuild)
@type cleanup: Boolean
@param ldpath_mtimes: mtimes to pass to env_update (see env_update)
@type ldpath_mtimes: Dictionary
@param others_in_slot: all dblink instances in this slot, excluding self
@type others_in_slot: list
@rtype: Integer
@returns:
1. os.EX_OK if everything went well.
2. return code of the failed phase (for prerm, postrm, cleanrm)
Notes:
The caller must ensure that lockdb() and unlockdb() are called
before and after this method.
"""
self.vartree.dbapi._bump_mtime(self.mycpv)
showMessage = self._display_merge
if self.vartree.dbapi._categories is not None:
self.vartree.dbapi._categories = None
# When others_in_slot is supplied, the security check has already been
# done for this slot, so it shouldn't be repeated until the next
# replacement or unmerge operation.
if others_in_slot is None:
slot = self.vartree.dbapi.aux_get(self.mycpv, ["SLOT"])[0]
slot_matches = self.vartree.dbapi.match(
"%s:%s" % (dep_getkey(self.mycpv), slot))
others_in_slot = []
for cur_cpv in slot_matches:
if cur_cpv == self.mycpv:
continue
others_in_slot.append(dblink(self.cat, catsplit(cur_cpv)[1],
self.vartree.root, self.settings, vartree=self.vartree,
treetype="vartree"))
retval = self._security_check([self] + others_in_slot)
if retval:
return retval
contents = self.getcontents()
# Now, don't assume that the name of the ebuild is the same as the
# name of the dir; the package may have been moved.
myebuildpath = None
ebuild_phase = "prerm"
log_path = None
mystuff = os.listdir(self.dbdir)
for x in mystuff:
if x.endswith(".ebuild"):
myebuildpath = os.path.join(self.dbdir, self.pkg + ".ebuild")
if x[:-7] != self.pkg:
# Clean up after vardbapi.move_ent() breakage in
# portage versions before 2.1.2
os.rename(os.path.join(self.dbdir, x), myebuildpath)
write_atomic(os.path.join(self.dbdir, "PF"), self.pkg+"\n")
break
self.settings.setcpv(self.mycpv, mydb=self.vartree.dbapi)
if myebuildpath:
try:
doebuild_environment(myebuildpath, "prerm", self.myroot,
self.settings, 0, 0, self.vartree.dbapi)
except UnsupportedAPIException as e:
# Sometimes this happens due to corruption of the EAPI file.
writemsg(_("!!! FAILED prerm: %s\n") % \
os.path.join(self.dbdir, "EAPI"), noiselevel=-1)
writemsg("%s\n" % str(e), noiselevel=-1)
myebuildpath = None
else:
catdir = os.path.dirname(self.settings["PORTAGE_BUILDDIR"])
ensure_dirs(os.path.dirname(catdir), uid=portage_uid,
gid=portage_gid, mode=0o70, mask=0)
builddir_lock = None
catdir_lock = None
scheduler = self._scheduler
retval = -1
failures = 0
try:
if myebuildpath:
catdir_lock = lockdir(catdir)
ensure_dirs(catdir,
uid=portage_uid, gid=portage_gid,
mode=0o70, mask=0)
builddir_lock = lockdir(
self.settings["PORTAGE_BUILDDIR"])
try:
unlockdir(catdir_lock)
finally:
catdir_lock = None
prepare_build_dirs(self.myroot, self.settings, 1)
log_path = self.settings.get("PORTAGE_LOG_FILE")
if scheduler is None:
retval = doebuild(myebuildpath, ebuild_phase, self.myroot,
self.settings, cleanup=cleanup, use_cache=0,
mydbapi=self.vartree.dbapi, tree=self.treetype,
vartree=self.vartree)
else:
retval = scheduler.dblinkEbuildPhase(
self, self.vartree.dbapi, myebuildpath, ebuild_phase)
# XXX: Decide how to handle failures here.
if retval != os.EX_OK:
failures += 1
writemsg(_("!!! FAILED prerm: %s\n") % retval, noiselevel=-1)
self._unmerge_pkgfiles(pkgfiles, others_in_slot)
self._clear_contents_cache()
# Remove the registration of preserved libs for this pkg instance
plib_registry = self.vartree.dbapi.plib_registry
plib_registry.unregister(self.mycpv, self.settings["SLOT"],
self.vartree.dbapi.cpv_counter(self.mycpv))
if myebuildpath:
ebuild_phase = "postrm"
if scheduler is None:
retval = doebuild(myebuildpath, ebuild_phase, self.myroot,
self.settings, use_cache=0, tree=self.treetype,
mydbapi=self.vartree.dbapi, vartree=self.vartree)
else:
retval = scheduler.dblinkEbuildPhase(
self, self.vartree.dbapi, myebuildpath, ebuild_phase)
# XXX: Decide how to handle failures here.
if retval != os.EX_OK:
failures += 1
writemsg(_("!!! FAILED postrm: %s\n") % retval, noiselevel=-1)
# Skip this if another package in the same slot has just been
# merged on top of this package, since the other package has
# already called LinkageMap.rebuild() and passed it's NEEDED file
# in as an argument.
if not others_in_slot:
self._linkmap_rebuild(exclude_pkgs=(self.mycpv,))
# remove preserved libraries that don't have any consumers left
cpv_lib_map = self._find_unused_preserved_libs()
if cpv_lib_map:
self._remove_preserved_libs(cpv_lib_map)
for cpv, removed in cpv_lib_map.items():
if not self.vartree.dbapi.cpv_exists(cpv):
for dblnk in others_in_slot:
if dblnk.mycpv == cpv:
# This one just got merged so it doesn't
# register with cpv_exists() yet.
self.vartree.dbapi.removeFromContents(
dblnk, removed)
break
continue
self.vartree.dbapi.removeFromContents(cpv, removed)
else:
# Prune any preserved libs that may have
# been unmerged with this package.
self.vartree.dbapi.plib_registry.pruneNonExisting()
finally:
self.vartree.dbapi._bump_mtime(self.mycpv)
if builddir_lock:
try:
if myebuildpath:
if retval != os.EX_OK:
msg_lines = []
msg = _("The '%(ebuild_phase)s' "
"phase of the '%(cpv)s' package "
"has failed with exit value %(retval)s.") % \
{"ebuild_phase":ebuild_phase, "cpv":self.mycpv,
"retval":retval}
from textwrap import wrap
msg_lines.extend(wrap(msg, 72))
msg_lines.append("")
ebuild_name = os.path.basename(myebuildpath)
ebuild_dir = os.path.dirname(myebuildpath)
msg = _("The problem occurred while executing "
"the ebuild file named '%(ebuild_name)s' "
"located in the '%(ebuild_dir)s' directory. "
"If necessary, manually remove "
"the environment.bz2 file and/or the "
"ebuild file located in that directory.") % \
{"ebuild_name":ebuild_name, "ebuild_dir":ebuild_dir}
msg_lines.extend(wrap(msg, 72))
msg_lines.append("")
msg = _("Removal "
"of the environment.bz2 file is "
"preferred since it may allow the "
"removal phases to execute successfully. "
"The ebuild will be "
"sourced and the eclasses "
"from the current portage tree will be used "
"when necessary. Removal of "
"the ebuild file will cause the "
"pkg_prerm() and pkg_postrm() removal "
"phases to be skipped entirely.")
msg_lines.extend(wrap(msg, 72))
self._eerror(ebuild_phase, msg_lines)
# process logs created during pre/postrm
elog_process(self.mycpv, self.settings)
if retval == os.EX_OK:
if scheduler is None:
doebuild(myebuildpath, "cleanrm", self.myroot,
self.settings, tree="vartree",
mydbapi=self.vartree.dbapi,
vartree=self.vartree)
else:
scheduler.dblinkEbuildPhase(
self, self.vartree.dbapi,
myebuildpath, "cleanrm")
finally:
unlockdir(builddir_lock)
try:
if myebuildpath and not catdir_lock:
# Lock catdir for removal if empty.
catdir_lock = lockdir(catdir)
finally:
if catdir_lock:
try:
os.rmdir(catdir)
except OSError as e:
if e.errno not in (errno.ENOENT,
errno.ENOTEMPTY, errno.EEXIST):
raise
del e
unlockdir(catdir_lock)
if log_path is not None:
if not failures and 'unmerge-logs' not in self.settings.features:
try:
os.unlink(log_path)
except OSError:
pass
try:
st = os.stat(log_path)
except OSError:
pass
else:
if st.st_size == 0:
try:
os.unlink(log_path)
except OSError:
pass
if log_path is not None and os.path.exists(log_path):
# Restore this since it gets lost somewhere above and it
# needs to be set for _display_merge() to be able to log.
# Note that the log isn't necessarily supposed to exist
# since if PORT_LOGDIR is unset then it's a temp file
# so it gets cleaned above.
self.settings["PORTAGE_LOG_FILE"] = log_path
else:
self.settings.pop("PORTAGE_LOG_FILE", None)
env_update(target_root=self.myroot, prev_mtimes=ldpath_mtimes,
contents=contents, env=self.settings.environ(),
writemsg_level=self._display_merge)
return os.EX_OK
def _display_merge(self, msg, level=0, noiselevel=0):
if not self._verbose and noiselevel >= 0 and level < logging.WARN:
return
if self._scheduler is not None:
self._scheduler.dblinkDisplayMerge(self, msg,
level=level, noiselevel=noiselevel)
return
writemsg_level(msg, level=level, noiselevel=noiselevel)
def _unmerge_pkgfiles(self, pkgfiles, others_in_slot):
"""
Unmerges the contents of a package from the liveFS
Removes the VDB entry for self
@param pkgfiles: typically self.getcontents()
@type pkgfiles: Dictionary { filename: [ 'type', '?', 'md5sum' ] }
@param others_in_slot: all dblink instances in this slot, excluding self
@type others_in_slot: list
@rtype: None
"""
os = _os_merge
perf_md5 = perform_md5
showMessage = self._display_merge
scheduler = self._scheduler
if not pkgfiles:
showMessage(_("No package files given... Grabbing a set.\n"))
pkgfiles = self.getcontents()
if others_in_slot is None:
others_in_slot = []
slot = self.vartree.dbapi.aux_get(self.mycpv, ["SLOT"])[0]
slot_matches = self.vartree.dbapi.match(
"%s:%s" % (dep_getkey(self.mycpv), slot))
for cur_cpv in slot_matches:
if cur_cpv == self.mycpv:
continue
others_in_slot.append(dblink(self.cat, catsplit(cur_cpv)[1],
self.vartree.root, self.settings,
vartree=self.vartree, treetype="vartree"))
dest_root = normalize_path(self.vartree.root).rstrip(os.path.sep) + \
os.path.sep
dest_root_len = len(dest_root) - 1
conf_mem_file = os.path.join(dest_root, CONFIG_MEMORY_FILE)
cfgfiledict = grabdict(conf_mem_file)
stale_confmem = []
unmerge_orphans = "unmerge-orphans" in self.settings.features
if pkgfiles:
self.updateprotect()
mykeys = list(pkgfiles)
mykeys.sort()
mykeys.reverse()
#process symlinks second-to-last, directories last.
mydirs = []
ignored_unlink_errnos = (
errno.EBUSY, errno.ENOENT,
errno.ENOTDIR, errno.EISDIR)
ignored_rmdir_errnos = (
errno.EEXIST, errno.ENOTEMPTY,
errno.EBUSY, errno.ENOENT,
errno.ENOTDIR, errno.EISDIR)
modprotect = os.path.join(self.vartree.root, "lib/modules/")
def unlink(file_name, lstatobj):
if bsd_chflags:
if lstatobj.st_flags != 0:
bsd_chflags.lchflags(file_name, 0)
parent_name = os.path.dirname(file_name)
# Use normal stat/chflags for the parent since we want to
# follow any symlinks to the real parent directory.
pflags = os.stat(parent_name).st_flags
if pflags != 0:
bsd_chflags.chflags(parent_name, 0)
try:
if not stat.S_ISLNK(lstatobj.st_mode):
# Remove permissions to ensure that any hardlinks to
# suid/sgid files are rendered harmless.
os.chmod(file_name, 0)
os.unlink(file_name)
except OSError as ose:
# If the chmod or unlink fails, you are in trouble.
# With Prefix this can be because the file is owned
# by someone else (a screwup by root?), on a normal
# system maybe filesystem corruption. In any case,
# if we backtrace and die here, we leave the system
# in a totally undefined state, hence we just bleed
# like hell and continue to hopefully finish all our
# administrative and pkg_postinst stuff.
self._eerror("postrm",
["Could not chmod or unlink '%s': %s" % \
(file_name, ose)])
finally:
if bsd_chflags and pflags != 0:
# Restore the parent flags we saved before unlinking
bsd_chflags.chflags(parent_name, pflags)
def show_unmerge(zing, desc, file_type, file_name):
showMessage("%s %s %s %s\n" % \
(zing, desc.ljust(8), file_type, file_name))
unmerge_desc = {}
unmerge_desc["cfgpro"] = _("cfgpro")
unmerge_desc["replaced"] = _("replaced")
unmerge_desc["!dir"] = _("!dir")
unmerge_desc["!empty"] = _("!empty")
unmerge_desc["!fif"] = _("!fif")
unmerge_desc["!found"] = _("!found")
unmerge_desc["!md5"] = _("!md5")
unmerge_desc["!mtime"] = _("!mtime")
unmerge_desc["!obj"] = _("!obj")
unmerge_desc["!sym"] = _("!sym")
for i, objkey in enumerate(mykeys):
if scheduler is not None and \
0 == i % self._file_merge_yield_interval:
scheduler.scheduleYield()
obj = normalize_path(objkey)
if os is _os_merge:
try:
_unicode_encode(obj,
encoding=_encodings['merge'], errors='strict')
except UnicodeEncodeError:
# The package appears to have been merged with a
# different value of sys.getfilesystemencoding(),
# so fall back to utf_8 if appropriate.
try:
_unicode_encode(obj,
encoding=_encodings['fs'], errors='strict')
except UnicodeEncodeError:
pass
else:
os = portage.os
perf_md5 = portage.checksum.perform_md5
file_data = pkgfiles[objkey]
file_type = file_data[0]
statobj = None
try:
statobj = os.stat(obj)
except OSError:
pass
lstatobj = None
try:
lstatobj = os.lstat(obj)
except (OSError, AttributeError):
pass
islink = lstatobj is not None and stat.S_ISLNK(lstatobj.st_mode)
if lstatobj is None:
show_unmerge("---", unmerge_desc["!found"], file_type, obj)
continue
if obj.startswith(dest_root):
relative_path = obj[dest_root_len:]
is_owned = False
for dblnk in others_in_slot:
if dblnk.isowner(relative_path, dest_root):
is_owned = True
break
if is_owned:
# A new instance of this package claims the file, so
# don't unmerge it.
show_unmerge("---", unmerge_desc["replaced"], file_type, obj)
continue
elif relative_path in cfgfiledict:
stale_confmem.append(relative_path)
# next line includes a tweak to protect modules from being unmerged,
# but we don't protect modules from being overwritten if they are
# upgraded. We effectively only want one half of the config protection
# functionality for /lib/modules. For portage-ng both capabilities
# should be able to be independently specified.
# TODO: For rebuilds, re-parent previous modules to the new
# installed instance (so they are not orphans). For normal
# uninstall (not rebuild/reinstall), remove the modules along
# with all other files (leave no orphans).
if obj.startswith(modprotect):
show_unmerge("---", unmerge_desc["cfgpro"], file_type, obj)
continue
# Don't unlink symlinks to directories here since that can
# remove /lib and /usr/lib symlinks.
if unmerge_orphans and \
lstatobj and not stat.S_ISDIR(lstatobj.st_mode) and \
not (islink and statobj and stat.S_ISDIR(statobj.st_mode)) and \
not self.isprotected(obj):
try:
unlink(obj, lstatobj)
except EnvironmentError as e:
if e.errno not in ignored_unlink_errnos:
raise
del e
show_unmerge("<<<", "", file_type, obj)
continue
lmtime = str(lstatobj[stat.ST_MTIME])
if (pkgfiles[objkey][0] not in ("dir", "fif", "dev")) and (lmtime != pkgfiles[objkey][1]):
show_unmerge("---", unmerge_desc["!mtime"], file_type, obj)
continue
if pkgfiles[objkey][0] == "dir":
if lstatobj is None or not stat.S_ISDIR(lstatobj.st_mode):
show_unmerge("---", unmerge_desc["!dir"], file_type, obj)
continue
mydirs.append(obj)
elif pkgfiles[objkey][0] == "sym":
if not islink:
show_unmerge("---", unmerge_desc["!sym"], file_type, obj)
continue
# Go ahead and unlink symlinks to directories here when
# they're actually recorded as symlinks in the contents.
# Normally, symlinks such as /lib -> lib64 are not recorded
# as symlinks in the contents of a package. If a package
# installs something into ${D}/lib/, it is recorded in the
# contents as a directory even if it happens to correspond
# to a symlink when it's merged to the live filesystem.
try:
unlink(obj, lstatobj)
show_unmerge("<<<", "", file_type, obj)
except (OSError, IOError) as e:
if e.errno not in ignored_unlink_errnos:
raise
del e
show_unmerge("!!!", "", file_type, obj)
elif pkgfiles[objkey][0] == "obj":
if statobj is None or not stat.S_ISREG(statobj.st_mode):
show_unmerge("---", unmerge_desc["!obj"], file_type, obj)
continue
mymd5 = None
try:
mymd5 = perf_md5(obj, calc_prelink=1)
except FileNotFound as e:
# the file has disappeared between now and our stat call
show_unmerge("---", unmerge_desc["!obj"], file_type, obj)
continue
# string.lower is needed because db entries used to be in upper-case. The
# string.lower allows for backwards compatibility.
if mymd5 != pkgfiles[objkey][2].lower():
show_unmerge("---", unmerge_desc["!md5"], file_type, obj)
continue
try:
unlink(obj, lstatobj)
except (OSError, IOError) as e:
if e.errno not in ignored_unlink_errnos:
raise
del e
show_unmerge("<<<", "", file_type, obj)
elif pkgfiles[objkey][0] == "fif":
if not stat.S_ISFIFO(lstatobj[stat.ST_MODE]):
show_unmerge("---", unmerge_desc["!fif"], file_type, obj)
continue
show_unmerge("---", "", file_type, obj)
elif pkgfiles[objkey][0] == "dev":
show_unmerge("---", "", file_type, obj)
mydirs.sort()
mydirs.reverse()
for obj in mydirs:
try:
if bsd_chflags:
lstatobj = os.lstat(obj)
if lstatobj.st_flags != 0:
bsd_chflags.lchflags(obj, 0)
parent_name = os.path.dirname(obj)
# Use normal stat/chflags for the parent since we want to
# follow any symlinks to the real parent directory.
pflags = os.stat(parent_name).st_flags
if pflags != 0:
bsd_chflags.chflags(parent_name, 0)
try:
os.rmdir(obj)
finally:
if bsd_chflags and pflags != 0:
# Restore the parent flags we saved before unlinking
bsd_chflags.chflags(parent_name, pflags)
show_unmerge("<<<", "", "dir", obj)
except EnvironmentError as e:
if e.errno not in ignored_rmdir_errnos:
raise
if e.errno != errno.ENOENT:
show_unmerge("---", unmerge_desc["!empty"], "dir", obj)
del e
# Remove stale entries from config memory.
if stale_confmem:
for filename in stale_confmem:
del cfgfiledict[filename]
writedict(cfgfiledict, conf_mem_file)
#remove self from vartree database so that our own virtual gets zapped if we're the last node
self.vartree.zap(self.mycpv)
def isowner(self, filename, destroot):
"""
Check if a file belongs to this package. This may
result in a stat call for the parent directory of
every installed file, since the inode numbers are
used to work around the problem of ambiguous paths
caused by symlinked directories. The results of
stat calls are cached to optimize multiple calls
to this method.
@param filename:
@type filename:
@param destroot:
@type destroot:
@rtype: Boolean
@returns:
1. True if this package owns the file.
2. False if this package does not own the file.
"""
return bool(self._match_contents(filename, destroot))
def _match_contents(self, filename, destroot):
"""
The matching contents entry is returned, which is useful
since the path may differ from the one given by the caller,
due to symlinks.
@rtype: String
@return: the contents entry corresponding to the given path, or False
if the file is not owned by this package.
"""
filename = _unicode_decode(filename,
encoding=_encodings['content'], errors='strict')
destroot = _unicode_decode(destroot,
encoding=_encodings['content'], errors='strict')
# The given filename argument might have a different encoding than the
# the filenames contained in the contents, so use separate wrapped os
# modules for each. The basename is more likely to contain non-ascii
# characters than the directory path, so use os_filename_arg for all
# operations involving the basename of the filename arg.
os_filename_arg = _os_merge
os = _os_merge
try:
_unicode_encode(filename,
encoding=_encodings['merge'], errors='strict')
except UnicodeEncodeError:
# The package appears to have been merged with a
# different value of sys.getfilesystemencoding(),
# so fall back to utf_8 if appropriate.
try:
_unicode_encode(filename,
encoding=_encodings['fs'], errors='strict')
except UnicodeEncodeError:
pass
else:
os_filename_arg = portage.os
destfile = normalize_path(
os_filename_arg.path.join(destroot,
filename.lstrip(os_filename_arg.path.sep)))
pkgfiles = self.getcontents()
if pkgfiles and destfile in pkgfiles:
return destfile
if pkgfiles:
basename = os_filename_arg.path.basename(destfile)
if self._contents_basenames is None:
try:
for x in pkgfiles:
_unicode_encode(x,
encoding=_encodings['merge'],
errors='strict')
except UnicodeEncodeError:
# The package appears to have been merged with a
# different value of sys.getfilesystemencoding(),
# so fall back to utf_8 if appropriate.
try:
for x in pkgfiles:
_unicode_encode(x,
encoding=_encodings['fs'],
errors='strict')
except UnicodeEncodeError:
pass
else:
os = portage.os
self._contents_basenames = set(
os.path.basename(x) for x in pkgfiles)
if basename not in self._contents_basenames:
# This is a shortcut that, in most cases, allows us to
# eliminate this package as an owner without the need
# to examine inode numbers of parent directories.
return False
# Use stat rather than lstat since we want to follow
# any symlinks to the real parent directory.
parent_path = os_filename_arg.path.dirname(destfile)
try:
parent_stat = os_filename_arg.stat(parent_path)
except EnvironmentError as e:
if e.errno != errno.ENOENT:
raise
del e
return False
if self._contents_inodes is None:
if os is _os_merge:
try:
for x in pkgfiles:
_unicode_encode(x,
encoding=_encodings['merge'],
errors='strict')
except UnicodeEncodeError:
# The package appears to have been merged with a
# different value of sys.getfilesystemencoding(),
# so fall back to utf_8 if appropriate.
try:
for x in pkgfiles:
_unicode_encode(x,
encoding=_encodings['fs'],
errors='strict')
except UnicodeEncodeError:
pass
else:
os = portage.os
self._contents_inodes = {}
parent_paths = set()
for x in pkgfiles:
p_path = os.path.dirname(x)
if p_path in parent_paths:
continue
parent_paths.add(p_path)
try:
s = os.stat(p_path)
except OSError:
pass
else:
inode_key = (s.st_dev, s.st_ino)
# Use lists of paths in case multiple
# paths reference the same inode.
p_path_list = self._contents_inodes.get(inode_key)
if p_path_list is None:
p_path_list = []
self._contents_inodes[inode_key] = p_path_list
if p_path not in p_path_list:
p_path_list.append(p_path)
p_path_list = self._contents_inodes.get(
(parent_stat.st_dev, parent_stat.st_ino))
if p_path_list:
for p_path in p_path_list:
x = os_filename_arg.path.join(p_path, basename)
if x in pkgfiles:
return x
return False
def _linkmap_rebuild(self, **kwargs):
if self._linkmap_broken:
return
try:
self.vartree.dbapi.linkmap.rebuild(**kwargs)
except CommandNotFound as e:
self._linkmap_broken = True
self._display_merge(_("!!! Disabling preserve-libs " \
"due to error: Command Not Found: %s\n") % (e,),
level=logging.ERROR, noiselevel=-1)
def _find_libs_to_preserve(self):
"""
Get set of relative paths for libraries to be preserved. The file
paths are selected from self._installed_instance.getcontents().
"""
if self._linkmap_broken or not \
(self._installed_instance is not None and \
"preserve-libs" in self.settings.features):
return None
os = _os_merge
linkmap = self.vartree.dbapi.linkmap
installed_instance = self._installed_instance
old_contents = installed_instance.getcontents()
root = self.myroot
root_len = len(root) - 1
lib_graph = digraph()
path_node_map = {}
def path_to_node(path):
node = path_node_map.get(path)
if node is None:
node = LinkageMap._LibGraphNode(path, root)
alt_path_node = lib_graph.get(node)
if alt_path_node is not None:
node = alt_path_node
node.alt_paths.add(path)
path_node_map[path] = node
return node
consumer_map = {}
provider_nodes = set()
# Create provider nodes and add them to the graph.
for f_abs in old_contents:
if os is _os_merge:
try:
_unicode_encode(f_abs,
encoding=_encodings['merge'], errors='strict')
except UnicodeEncodeError:
# The package appears to have been merged with a
# different value of sys.getfilesystemencoding(),
# so fall back to utf_8 if appropriate.
try:
_unicode_encode(f_abs,
encoding=_encodings['fs'], errors='strict')
except UnicodeEncodeError:
pass
else:
os = portage.os
f = f_abs[root_len:]
if self.isowner(f, root):
continue
try:
consumers = linkmap.findConsumers(f)
except KeyError:
continue
if not consumers:
continue
provider_node = path_to_node(f)
lib_graph.add(provider_node, None)
provider_nodes.add(provider_node)
consumer_map[provider_node] = consumers
# Create consumer nodes and add them to the graph.
# Note that consumers can also be providers.
for provider_node, consumers in consumer_map.items():
for c in consumers:
if self.isowner(c, root):
continue
consumer_node = path_to_node(c)
if installed_instance.isowner(c, root) and \
consumer_node not in provider_nodes:
# This is not a provider, so it will be uninstalled.
continue
lib_graph.add(provider_node, consumer_node)
# Locate nodes which should be preserved. They consist of all
# providers that are reachable from consumers that are not
# providers themselves.
preserve_nodes = set()
for consumer_node in lib_graph.root_nodes():
if consumer_node in provider_nodes:
continue
# Preserve all providers that are reachable from this consumer.
node_stack = lib_graph.child_nodes(consumer_node)
while node_stack:
provider_node = node_stack.pop()
if provider_node in preserve_nodes:
continue
preserve_nodes.add(provider_node)
node_stack.extend(lib_graph.child_nodes(provider_node))
preserve_paths = set()
for preserve_node in preserve_nodes:
# Make sure that at least one of the paths is not a symlink.
# This prevents symlinks from being erroneously preserved by
# themselves when the old instance installed symlinks that
# the new instance does not install.
have_lib = False
for f in preserve_node.alt_paths:
f_abs = os.path.join(root, f.lstrip(os.sep))
try:
if stat.S_ISREG(os.lstat(f_abs).st_mode):
have_lib = True
break
except OSError:
continue
if have_lib:
preserve_paths.update(preserve_node.alt_paths)
return preserve_paths
def _add_preserve_libs_to_contents(self, preserve_paths):
"""
Preserve libs returned from _find_libs_to_preserve().
"""
if not preserve_paths:
return
os = _os_merge
showMessage = self._display_merge
root = self.myroot
# Copy contents entries from the old package to the new one.
new_contents = self.getcontents().copy()
old_contents = self._installed_instance.getcontents()
for f in sorted(preserve_paths):
f = _unicode_decode(f,
encoding=_encodings['content'], errors='strict')
f_abs = os.path.join(root, f.lstrip(os.sep))
contents_entry = old_contents.get(f_abs)
if contents_entry is None:
# This will probably never happen, but it might if one of the
# paths returned from findConsumers() refers to one of the libs
# that should be preserved yet the path is not listed in the
# contents. Such a path might belong to some other package, so
# it shouldn't be preserved here.
showMessage(_("!!! File '%s' will not be preserved "
"due to missing contents entry\n") % (f_abs,),
level=logging.ERROR, noiselevel=-1)
preserve_paths.remove(f)
continue
new_contents[f_abs] = contents_entry
obj_type = contents_entry[0]
showMessage(_(">>> needed %s %s\n") % (obj_type, f_abs),
noiselevel=-1)
# Add parent directories to contents if necessary.
parent_dir = os.path.dirname(f_abs)
while len(parent_dir) > len(root):
new_contents[parent_dir] = ["dir"]
prev = parent_dir
parent_dir = os.path.dirname(parent_dir)
if prev == parent_dir:
break
outfile = atomic_ofstream(os.path.join(self.dbtmpdir, "CONTENTS"))
write_contents(new_contents, root, outfile)
outfile.close()
self._clear_contents_cache()
def _find_unused_preserved_libs(self):
"""
Find preserved libraries that don't have any consumers left.
"""
if self._linkmap_broken:
return {}
# Since preserved libraries can be consumers of other preserved
# libraries, use a graph to track consumer relationships.
plib_dict = self.vartree.dbapi.plib_registry.getPreservedLibs()
lib_graph = digraph()
preserved_nodes = set()
preserved_paths = set()
path_cpv_map = {}
path_node_map = {}
root = self.myroot
def path_to_node(path):
node = path_node_map.get(path)
if node is None:
node = LinkageMap._LibGraphNode(path, root)
alt_path_node = lib_graph.get(node)
if alt_path_node is not None:
node = alt_path_node
node.alt_paths.add(path)
path_node_map[path] = node
return node
linkmap = self.vartree.dbapi.linkmap
for cpv, plibs in plib_dict.items():
for f in plibs:
path_cpv_map[f] = cpv
preserved_node = path_to_node(f)
if not preserved_node.file_exists():
continue
lib_graph.add(preserved_node, None)
preserved_paths.add(f)
preserved_nodes.add(preserved_node)
for c in self.vartree.dbapi.linkmap.findConsumers(f):
consumer_node = path_to_node(c)
if not consumer_node.file_exists():
continue
# Note that consumers may also be providers.
lib_graph.add(preserved_node, consumer_node)
# Eliminate consumers having providers with the same soname as an
# installed library that is not preserved. This eliminates
# libraries that are erroneously preserved due to a move from one
# directory to another.
provider_cache = {}
for preserved_node in preserved_nodes:
soname = linkmap.getSoname(preserved_node)
for consumer_node in lib_graph.parent_nodes(preserved_node):
if consumer_node in preserved_nodes:
continue
providers = provider_cache.get(consumer_node)
if providers is None:
providers = linkmap.findProviders(consumer_node)
provider_cache[consumer_node] = providers
providers = providers.get(soname)
if providers is None:
continue
for provider in providers:
if provider in preserved_paths:
continue
provider_node = path_to_node(provider)
if not provider_node.file_exists():
continue
if provider_node in preserved_nodes:
continue
# An alternative provider seems to be
# installed, so drop this edge.
lib_graph.remove_edge(preserved_node, consumer_node)
break
cpv_lib_map = {}
while not lib_graph.empty():
root_nodes = preserved_nodes.intersection(lib_graph.root_nodes())
if not root_nodes:
break
lib_graph.difference_update(root_nodes)
unlink_list = set()
for node in root_nodes:
unlink_list.update(node.alt_paths)
unlink_list = sorted(unlink_list)
for obj in unlink_list:
cpv = path_cpv_map.get(obj)
if cpv is None:
# This means that a symlink is in the preserved libs
# registry, but the actual lib it points to is not.
self._display_merge(_("!!! symlink to lib is preserved, "
"but not the lib itself:\n!!! '%s'\n") % (obj,),
level=logging.ERROR, noiselevel=-1)
continue
removed = cpv_lib_map.get(cpv)
if removed is None:
removed = set()
cpv_lib_map[cpv] = removed
removed.add(obj)
return cpv_lib_map
def _remove_preserved_libs(self, cpv_lib_map):
"""
Remove files returned from _find_unused_preserved_libs().
"""
os = _os_merge
files_to_remove = set()
for files in cpv_lib_map.values():
files_to_remove.update(files)
files_to_remove = sorted(files_to_remove)
showMessage = self._display_merge
root = self.myroot
parent_dirs = set()
for obj in files_to_remove:
obj = os.path.join(root, obj.lstrip(os.sep))
parent_dirs.add(os.path.dirname(obj))
if os.path.islink(obj):
obj_type = _("sym")
else:
obj_type = _("obj")
try:
os.unlink(obj)
except OSError as e:
if e.errno != errno.ENOENT:
raise
del e
else:
showMessage(_("<<< !needed %s %s\n") % (obj_type, obj),
noiselevel=-1)
# Remove empty parent directories if possible.
while parent_dirs:
x = parent_dirs.pop()
while True:
try:
os.rmdir(x)
except OSError:
break
prev = x
x = os.path.dirname(x)
if x == prev:
break
self.vartree.dbapi.plib_registry.pruneNonExisting()
def _collision_protect(self, srcroot, destroot, mypkglist, mycontents):
os = _os_merge
collision_ignore = set([normalize_path(myignore) for myignore in \
portage.util.shlex_split(
self.settings.get("COLLISION_IGNORE", ""))])
# For collisions with preserved libraries, the current package
# will assume ownership and the libraries will be unregistered.
plib_dict = self.vartree.dbapi.plib_registry.getPreservedLibs()
plib_cpv_map = {}
plib_paths = set()
for cpv, paths in plib_dict.items():
plib_paths.update(paths)
for f in paths:
plib_cpv_map[f] = cpv
plib_inodes = self._lstat_inode_map(plib_paths)
plib_collisions = {}
showMessage = self._display_merge
scheduler = self._scheduler
stopmerge = False
collisions = []
destroot = normalize_path(destroot).rstrip(os.path.sep) + \
os.path.sep
showMessage(_(" %s checking %d files for package collisions\n") % \
(colorize("GOOD", "*"), len(mycontents)))
for i, f in enumerate(mycontents):
if i % 1000 == 0 and i != 0:
showMessage(_("%d files checked ...\n") % i)
if scheduler is not None and \
0 == i % self._file_merge_yield_interval:
scheduler.scheduleYield()
dest_path = normalize_path(
os.path.join(destroot, f.lstrip(os.path.sep)))
try:
dest_lstat = os.lstat(dest_path)
except EnvironmentError as e:
if e.errno == errno.ENOENT:
del e
continue
elif e.errno == errno.ENOTDIR:
del e
# A non-directory is in a location where this package
# expects to have a directory.
dest_lstat = None
parent_path = dest_path
while len(parent_path) > len(destroot):
parent_path = os.path.dirname(parent_path)
try:
dest_lstat = os.lstat(parent_path)
break
except EnvironmentError as e:
if e.errno != errno.ENOTDIR:
raise
del e
if not dest_lstat:
raise AssertionError(
"unable to find non-directory " + \
"parent for '%s'" % dest_path)
dest_path = parent_path
f = os.path.sep + dest_path[len(destroot):]
if f in collisions:
continue
else:
raise
if f[0] != "/":
f="/"+f
plibs = plib_inodes.get((dest_lstat.st_dev, dest_lstat.st_ino))
if plibs:
for path in plibs:
cpv = plib_cpv_map[path]
paths = plib_collisions.get(cpv)
if paths is None:
paths = set()
plib_collisions[cpv] = paths
paths.add(path)
# The current package will assume ownership and the
# libraries will be unregistered, so exclude this
# path from the normal collisions.
continue
isowned = False
full_path = os.path.join(destroot, f.lstrip(os.path.sep))
for ver in mypkglist:
if ver.isowner(f, destroot):
isowned = True
break
if not isowned and self.isprotected(full_path):
isowned = True
if not isowned:
stopmerge = True
if collision_ignore:
if f in collision_ignore:
stopmerge = False
else:
for myignore in collision_ignore:
if f.startswith(myignore + os.path.sep):
stopmerge = False
break
if stopmerge:
collisions.append(f)
return collisions, plib_collisions
def _lstat_inode_map(self, path_iter):
"""
Use lstat to create a map of the form:
{(st_dev, st_ino) : set([path1, path2, ...])}
Multiple paths may reference the same inode due to hardlinks.
All lstat() calls are relative to self.myroot.
"""
os = _os_merge
root = self.myroot
inode_map = {}
for f in path_iter:
path = os.path.join(root, f.lstrip(os.sep))
try:
st = os.lstat(path)
except OSError as e:
if e.errno not in (errno.ENOENT, errno.ENOTDIR):
raise
del e
continue
key = (st.st_dev, st.st_ino)
paths = inode_map.get(key)
if paths is None:
paths = set()
inode_map[key] = paths
paths.add(f)
return inode_map
def _security_check(self, installed_instances):
if not installed_instances:
return 0
os = _os_merge
showMessage = self._display_merge
scheduler = self._scheduler
file_paths = set()
for dblnk in installed_instances:
file_paths.update(dblnk.getcontents())
inode_map = {}
real_paths = set()
for i, path in enumerate(file_paths):
if scheduler is not None and \
0 == i % self._file_merge_yield_interval:
scheduler.scheduleYield()
if os is _os_merge:
try:
_unicode_encode(path,
encoding=_encodings['merge'], errors='strict')
except UnicodeEncodeError:
# The package appears to have been merged with a
# different value of sys.getfilesystemencoding(),
# so fall back to utf_8 if appropriate.
try:
_unicode_encode(path,
encoding=_encodings['fs'], errors='strict')
except UnicodeEncodeError:
pass
else:
os = portage.os
try:
s = os.lstat(path)
except OSError as e:
if e.errno not in (errno.ENOENT, errno.ENOTDIR):
raise
del e
continue
if not stat.S_ISREG(s.st_mode):
continue
path = os.path.realpath(path)
if path in real_paths:
continue
real_paths.add(path)
if s.st_nlink > 1 and \
s.st_mode & (stat.S_ISUID | stat.S_ISGID):
k = (s.st_dev, s.st_ino)
inode_map.setdefault(k, []).append((path, s))
suspicious_hardlinks = []
for path_list in inode_map.values():
path, s = path_list[0]
if len(path_list) == s.st_nlink:
# All hardlinks seem to be owned by this package.
continue
suspicious_hardlinks.append(path_list)
if not suspicious_hardlinks:
return 0
msg = []
msg.append(_("suid/sgid file(s) "
"with suspicious hardlink(s):"))
msg.append("")
for path_list in suspicious_hardlinks:
for path, s in path_list:
msg.append("\t%s" % path)
msg.append("")
msg.append(_("See the Gentoo Security Handbook "
"guide for advice on how to proceed."))
self._eerror("preinst", msg)
return 1
def _eqawarn(self, phase, lines):
from portage.elog.messages import eqawarn as _eqawarn
if self._scheduler is None:
for l in lines:
_eqawarn(l, phase=phase, key=self.settings.mycpv)
else:
self._scheduler.dblinkElog(self,
phase, _eqawarn, lines)
def _eerror(self, phase, lines):
from portage.elog.messages import eerror as _eerror
if self._scheduler is None:
for l in lines:
_eerror(l, phase=phase, key=self.settings.mycpv)
else:
self._scheduler.dblinkElog(self,
phase, _eerror, lines)
def treewalk(self, srcroot, destroot, inforoot, myebuild, cleanup=0,
mydbapi=None, prev_mtimes=None):
"""
This function does the following:
calls self._preserve_libs if FEATURES=preserve-libs
calls self._collision_protect if FEATURES=collision-protect
calls doebuild(mydo=pkg_preinst)
Merges the package to the livefs
unmerges old version (if required)
calls doebuild(mydo=pkg_postinst)
calls env_update
calls elog_process
@param srcroot: Typically this is ${D}
@type srcroot: String (Path)
@param destroot: Path to merge to (usually ${ROOT})
@type destroot: String (Path)
@param inforoot: root of the vardb entry ?
@type inforoot: String (Path)
@param myebuild: path to the ebuild that we are processing
@type myebuild: String (Path)
@param mydbapi: dbapi which is handed to doebuild.
@type mydbapi: portdbapi instance
@param prev_mtimes: { Filename:mtime } mapping for env_update
@type prev_mtimes: Dictionary
@rtype: Boolean
@returns:
1. 0 on success
2. 1 on failure
secondhand is a list of symlinks that have been skipped due to their target
not existing; we will merge these symlinks at a later time.
"""
os = _os_merge
srcroot = _unicode_decode(srcroot,
encoding=_encodings['content'], errors='strict')
destroot = _unicode_decode(destroot,
encoding=_encodings['content'], errors='strict')
inforoot = _unicode_decode(inforoot,
encoding=_encodings['content'], errors='strict')
myebuild = _unicode_decode(myebuild,
encoding=_encodings['content'], errors='strict')
showMessage = self._display_merge
scheduler = self._scheduler
srcroot = normalize_path(srcroot).rstrip(os.path.sep) + os.path.sep
destroot = normalize_path(destroot).rstrip(os.path.sep) + os.path.sep
if not os.path.isdir(srcroot):
showMessage(_("!!! Directory Not Found: D='%s'\n") % srcroot,
level=logging.ERROR, noiselevel=-1)
return 1
slot = ''
for var_name in ('CHOST', 'SLOT'):
try:
val = codecs.open(_unicode_encode(
os.path.join(inforoot, var_name),
encoding=_encodings['fs'], errors='strict'),
mode='r', encoding=_encodings['repo.content'],
errors='replace').readline().strip()
except EnvironmentError as e:
if e.errno != errno.ENOENT:
raise
del e
val = ''
if var_name == 'SLOT':
slot = val
if not slot.strip():
slot = self.settings.get(var_name, '')
if not slot.strip():
showMessage(_("!!! SLOT is undefined\n"),
level=logging.ERROR, noiselevel=-1)
return 1
write_atomic(os.path.join(inforoot, var_name), slot + '\n')
if val != self.settings.get(var_name, ''):
self._eqawarn('preinst',
[_("QA Notice: Expected %(var_name)s='%(expected_value)s', got '%(actual_value)s'\n") % \
{"var_name":var_name, "expected_value":self.settings.get(var_name, ''), "actual_value":val}])
def eerror(lines):
self._eerror("preinst", lines)
if not os.path.exists(self.dbcatdir):
os.makedirs(self.dbcatdir)
otherversions = []
for v in self.vartree.dbapi.cp_list(self.mysplit[0]):
otherversions.append(v.split("/")[1])
cp = self.mysplit[0]
slot_atom = "%s:%s" % (cp, slot)
# filter any old-style virtual matches
slot_matches = [cpv for cpv in self.vartree.dbapi.match(slot_atom) \
if cpv_getkey(cpv) == cp]
if self.mycpv not in slot_matches and \
self.vartree.dbapi.cpv_exists(self.mycpv):
# handle multislot or unapplied slotmove
slot_matches.append(self.mycpv)
others_in_slot = []
from portage import config
for cur_cpv in slot_matches:
# Clone the config in case one of these has to be unmerged since
# we need it to have private ${T} etc... for things like elog.
others_in_slot.append(dblink(self.cat, catsplit(cur_cpv)[1],
self.vartree.root, config(clone=self.settings),
vartree=self.vartree, treetype="vartree",
scheduler=self._scheduler))
retval = self._security_check(others_in_slot)
if retval:
return retval
if slot_matches:
# Used by self.isprotected().
max_dblnk = None
max_counter = -1
for dblnk in others_in_slot:
cur_counter = self.vartree.dbapi.cpv_counter(dblnk.mycpv)
if cur_counter > max_counter:
max_counter = cur_counter
max_dblnk = dblnk
self._installed_instance = max_dblnk
# We check for unicode encoding issues after src_install. However,
# the check must be repeated here for binary packages (it's
# inexpensive since we call os.walk() here anyway).
unicode_errors = []
while True:
unicode_error = False
myfilelist = []
mylinklist = []
paths_with_newlines = []
srcroot_len = len(srcroot)
def onerror(e):
raise
for parent, dirs, files in os.walk(srcroot, onerror=onerror):
try:
parent = _unicode_decode(parent,
encoding=_encodings['merge'], errors='strict')
except UnicodeDecodeError:
new_parent = _unicode_decode(parent,
encoding=_encodings['merge'], errors='replace')
new_parent = _unicode_encode(new_parent,
encoding=_encodings['merge'], errors='backslashreplace')
new_parent = _unicode_decode(new_parent,
encoding=_encodings['merge'], errors='replace')
os.rename(parent, new_parent)
unicode_error = True
unicode_errors.append(new_parent[srcroot_len:])
break
for fname in files:
try:
fname = _unicode_decode(fname,
encoding=_encodings['merge'], errors='strict')
except UnicodeDecodeError:
fpath = portage._os.path.join(
parent.encode(_encodings['merge']), fname)
new_fname = _unicode_decode(fname,
encoding=_encodings['merge'], errors='replace')
new_fname = _unicode_encode(new_fname,
encoding=_encodings['merge'], errors='backslashreplace')
new_fname = _unicode_decode(new_fname,
encoding=_encodings['merge'], errors='replace')
new_fpath = os.path.join(parent, new_fname)
os.rename(fpath, new_fpath)
unicode_error = True
unicode_errors.append(new_fpath[srcroot_len:])
fname = new_fname
fpath = new_fpath
else:
fpath = os.path.join(parent, fname)
relative_path = fpath[srcroot_len:]
if "\n" in relative_path:
paths_with_newlines.append(relative_path)
file_mode = os.lstat(fpath).st_mode
if stat.S_ISREG(file_mode):
myfilelist.append(relative_path)
elif stat.S_ISLNK(file_mode):
# Note: os.walk puts symlinks to directories in the "dirs"
# list and it does not traverse them since that could lead
# to an infinite recursion loop.
mylinklist.append(relative_path)
if unicode_error:
break
if not unicode_error:
break
if unicode_errors:
eerror(portage._merge_unicode_error(unicode_errors))
if paths_with_newlines:
msg = []
msg.append(_("This package installs one or more files containing a newline (\\n) character:"))
msg.append("")
paths_with_newlines.sort()
for f in paths_with_newlines:
msg.append("\t/%s" % (f.replace("\n", "\\n")))
msg.append("")
msg.append(_("package %s NOT merged") % self.mycpv)
msg.append("")
eerror(msg)
return 1
# If there are no files to merge, and an installed package in the same
# slot has files, it probably means that something went wrong.
if self.settings.get("PORTAGE_PACKAGE_EMPTY_ABORT") == "1" and \
not myfilelist and not mylinklist and others_in_slot:
installed_files = None
for other_dblink in others_in_slot:
installed_files = other_dblink.getcontents()
if not installed_files:
continue
from textwrap import wrap
wrap_width = 72
msg = []
d = {
"new_cpv":self.mycpv,
"old_cpv":other_dblink.mycpv
}
msg.extend(wrap(_("The '%(new_cpv)s' package will not install "
"any files, but the currently installed '%(old_cpv)s'"
" package has the following files: ") % d, wrap_width))
msg.append("")
msg.extend(sorted(installed_files))
msg.append("")
msg.append(_("package %s NOT merged") % self.mycpv)
msg.append("")
msg.extend(wrap(
_("Manually run `emerge --unmerge =%s` if you "
"really want to remove the above files. Set "
"PORTAGE_PACKAGE_EMPTY_ABORT=\"0\" in "
"/etc/make.conf if you do not want to "
"abort in cases like this.") % other_dblink.mycpv,
wrap_width))
eerror(msg)
if installed_files:
return 1
# check for package collisions
blockers = None
if self._blockers is not None:
# This is only supposed to be called when
# the vdb is locked, like it is here.
blockers = self._blockers()
if blockers is None:
blockers = []
collisions, plib_collisions = \
self._collision_protect(srcroot, destroot,
others_in_slot + blockers, myfilelist + mylinklist)
# Make sure the ebuild environment is initialized and that ${T}/elog
# exists for logging of collision-protect eerror messages.
if myebuild is None:
myebuild = os.path.join(inforoot, self.pkg + ".ebuild")
doebuild_environment(myebuild, "preinst", destroot,
self.settings, 0, 0, mydbapi)
prepare_build_dirs(destroot, self.settings, cleanup)
if collisions:
collision_protect = "collision-protect" in self.settings.features
protect_owned = "protect-owned" in self.settings.features
msg = _("This package will overwrite one or more files that"
" may belong to other packages (see list below).")
if not (collision_protect or protect_owned):
msg += _(" Add either \"collision-protect\" or"
" \"protect-owned\" to FEATURES in"
" make.conf if you would like the merge to abort"
" in cases like this. See the make.conf man page for"
" more information about these features.")
if self.settings.get("PORTAGE_QUIET") != "1":
msg += _(" You can use a command such as"
" `portageq owners / <filename>` to identify the"
" installed package that owns a file. If portageq"
" reports that only one package owns a file then do NOT"
" file a bug report. A bug report is only useful if it"
" identifies at least two or more packages that are known"
" to install the same file(s)."
" If a collision occurs and you"
" can not explain where the file came from then you"
" should simply ignore the collision since there is not"
" enough information to determine if a real problem"
" exists. Please do NOT file a bug report at"
" http://bugs.gentoo.org unless you report exactly which"
" two packages install the same file(s). Once again,"
" please do NOT file a bug report unless you have"
" completely understood the above message.")
self.settings["EBUILD_PHASE"] = "preinst"
from textwrap import wrap
msg = wrap(msg, 70)
if collision_protect:
msg.append("")
msg.append(_("package %s NOT merged") % self.settings.mycpv)
msg.append("")
msg.append(_("Detected file collision(s):"))
msg.append("")
for f in collisions:
msg.append("\t%s" % \
os.path.join(destroot, f.lstrip(os.path.sep)))
eerror(msg)
msg = []
msg.append("")
msg.append(_("Searching all installed"
" packages for file collisions..."))
msg.append("")
msg.append(_("Press Ctrl-C to Stop"))
msg.append("")
eerror(msg)
owners = self.vartree.dbapi._owners.get_owners(collisions)
self.vartree.dbapi.flush_cache()
for pkg, owned_files in owners.items():
cpv = pkg.mycpv
msg = []
msg.append("%s" % cpv)
for f in sorted(owned_files):
msg.append("\t%s" % os.path.join(destroot,
f.lstrip(os.path.sep)))
msg.append("")
eerror(msg)
if not owners:
eerror([_("None of the installed"
" packages claim the file(s)."), ""])
# The explanation about the collision and how to solve
# it may not be visible via a scrollback buffer, especially
# if the number of file collisions is large. Therefore,
# show a summary at the end.
if collision_protect:
msg = _("Package '%s' NOT merged due to file collisions.") % \
self.settings.mycpv
elif protect_owned and owners:
msg = _("Package '%s' NOT merged due to file collisions.") % \
self.settings.mycpv
else:
msg = _("Package '%s' merged despite file collisions.") % \
self.settings.mycpv
msg += _(" If necessary, refer to your elog "
"messages for the whole content of the above message.")
eerror(wrap(msg, 70))
if collision_protect or (protect_owned and owners):
return 1
# The merge process may move files out of the image directory,
# which causes invalidation of the .installed flag.
try:
os.unlink(os.path.join(
os.path.dirname(normalize_path(srcroot)), ".installed"))
except OSError as e:
if e.errno != errno.ENOENT:
raise
del e
self.dbdir = self.dbtmpdir
self.delete()
ensure_dirs(self.dbtmpdir)
# run preinst script
if scheduler is None:
showMessage(_(">>> Merging %(cpv)s to %(destroot)s\n") % {"cpv":self.mycpv, "destroot":destroot})
a = doebuild(myebuild, "preinst", destroot, self.settings,
use_cache=0, tree=self.treetype, mydbapi=mydbapi,
vartree=self.vartree)
else:
a = scheduler.dblinkEbuildPhase(
self, mydbapi, myebuild, "preinst")
# XXX: Decide how to handle failures here.
if a != os.EX_OK:
showMessage(_("!!! FAILED preinst: ")+str(a)+"\n",
level=logging.ERROR, noiselevel=-1)
return a
# copy "info" files (like SLOT, CFLAGS, etc.) into the database
for x in os.listdir(inforoot):
self.copyfile(inforoot+"/"+x)
# write local package counter for recording
counter = self.vartree.dbapi.counter_tick(self.myroot, mycpv=self.mycpv)
codecs.open(_unicode_encode(os.path.join(self.dbtmpdir, 'COUNTER'),
encoding=_encodings['fs'], errors='strict'),
'w', encoding=_encodings['repo.content'], errors='backslashreplace'
).write(str(counter))
# open CONTENTS file (possibly overwriting old one) for recording
outfile = codecs.open(_unicode_encode(
os.path.join(self.dbtmpdir, 'CONTENTS'),
encoding=_encodings['fs'], errors='strict'),
mode='w', encoding=_encodings['repo.content'],
errors='backslashreplace')
self.updateprotect()
#if we have a file containing previously-merged config file md5sums, grab it.
conf_mem_file = os.path.join(destroot, CONFIG_MEMORY_FILE)
cfgfiledict = grabdict(conf_mem_file)
cfgfiledict_orig = cfgfiledict.copy()
if "NOCONFMEM" in self.settings:
cfgfiledict["IGNORE"]=1
else:
cfgfiledict["IGNORE"]=0
# Always behave like --noconfmem is enabled for downgrades
# so that people who don't know about this option are less
# likely to get confused when doing upgrade/downgrade cycles.
pv_split = catpkgsplit(self.mycpv)[1:]
for other in others_in_slot:
if pkgcmp(pv_split, catpkgsplit(other.mycpv)[1:]) < 0:
cfgfiledict["IGNORE"] = 1
break
# Don't bump mtimes on merge since some application require
# preservation of timestamps. This means that the unmerge phase must
# check to see if file belongs to an installed instance in the same
# slot.
mymtime = None
# set umask to 0 for merging; back up umask, save old one in prevmask (since this is a global change)
prevmask = os.umask(0)
secondhand = []
# we do a first merge; this will recurse through all files in our srcroot but also build up a
# "second hand" of symlinks to merge later
if self.mergeme(srcroot, destroot, outfile, secondhand, "", cfgfiledict, mymtime):
return 1
# now, it's time for dealing our second hand; we'll loop until we can't merge anymore. The rest are
# broken symlinks. We'll merge them too.
lastlen = 0
while len(secondhand) and len(secondhand)!=lastlen:
# clear the thirdhand. Anything from our second hand that
# couldn't get merged will be added to thirdhand.
thirdhand = []
if self.mergeme(srcroot, destroot, outfile, thirdhand,
secondhand, cfgfiledict, mymtime):
return 1
#swap hands
lastlen = len(secondhand)
# our thirdhand now becomes our secondhand. It's ok to throw
# away secondhand since thirdhand contains all the stuff that
# couldn't be merged.
secondhand = thirdhand
if len(secondhand):
# force merge of remaining symlinks (broken or circular; oh well)
if self.mergeme(srcroot, destroot, outfile, None,
secondhand, cfgfiledict, mymtime):
return 1
self._md5_merge_map.clear()
#restore umask
os.umask(prevmask)
#if we opened it, close it
outfile.flush()
outfile.close()
# write out our collection of md5sums
cfgfiledict.pop("IGNORE", None)
if cfgfiledict != cfgfiledict_orig:
ensure_dirs(os.path.dirname(conf_mem_file),
gid=portage_gid, mode=0o2750, mask=0o2)
writedict(cfgfiledict, conf_mem_file)
# These caches are populated during collision-protect and the data
# they contain is now invalid. It's very important to invalidate
# the contents_inodes cache so that FEATURES=unmerge-orphans
# doesn't unmerge anything that belongs to this package that has
# just been merged.
for dblnk in others_in_slot:
dblnk._clear_contents_cache()
self._clear_contents_cache()
linkmap = self.vartree.dbapi.linkmap
self._linkmap_rebuild(include_file=os.path.join(inforoot,
linkmap._needed_aux_key))
# Preserve old libs if they are still in use
preserve_paths = self._find_libs_to_preserve()
if preserve_paths:
self._add_preserve_libs_to_contents(preserve_paths)
# If portage is reinstalling itself, remove the old
# version now since we want to use the temporary
# PORTAGE_BIN_PATH that will be removed when we return.
reinstall_self = False
if self.myroot == "/" and \
match_from_list(PORTAGE_PACKAGE_ATOM, [self.mycpv]):
reinstall_self = True
if scheduler is None:
def emerge_log(msg):
pass
else:
emerge_log = scheduler.dblinkEmergeLog
autoclean = self.settings.get("AUTOCLEAN", "yes") == "yes"
if autoclean:
emerge_log(_(" >>> AUTOCLEAN: %s") % (slot_atom,))
others_in_slot.append(self) # self has just been merged
for dblnk in list(others_in_slot):
if dblnk is self:
continue
if not (autoclean or dblnk.mycpv == self.mycpv or reinstall_self):
continue
showMessage(_(">>> Safely unmerging already-installed instance...\n"))
emerge_log(_(" === Unmerging... (%s)") % (dblnk.mycpv,))
others_in_slot.remove(dblnk) # dblnk will unmerge itself now
dblnk._linkmap_broken = self._linkmap_broken
unmerge_rval = dblnk.unmerge(trimworld=0,
ldpath_mtimes=prev_mtimes, others_in_slot=others_in_slot)
if unmerge_rval == os.EX_OK:
emerge_log(_(" >>> unmerge success: %s") % (dblnk.mycpv,))
else:
emerge_log(_(" !!! unmerge FAILURE: %s") % (dblnk.mycpv,))
# TODO: Check status and abort if necessary.
dblnk.delete()
showMessage(_(">>> Original instance of package unmerged safely.\n"))
if len(others_in_slot) > 1:
showMessage(colorize("WARN", _("WARNING:"))
+ _(" AUTOCLEAN is disabled. This can cause serious"
" problems due to overlapping packages.\n"),
level=logging.WARN, noiselevel=-1)
# We hold both directory locks.
self.dbdir = self.dbpkgdir
self.delete()
_movefile(self.dbtmpdir, self.dbpkgdir, mysettings=self.settings)
# keep track of the libs we preserved
if preserve_paths:
self.vartree.dbapi.plib_registry.register(self.mycpv,
slot, counter, sorted(preserve_paths))
# Check for file collisions with blocking packages
# and remove any colliding files from their CONTENTS
# since they now belong to this package.
self._clear_contents_cache()
contents = self.getcontents()
destroot_len = len(destroot) - 1
for blocker in blockers:
self.vartree.dbapi.removeFromContents(blocker, iter(contents),
relative_paths=False)
# Unregister any preserved libs that this package has overwritten
# and update the contents of the packages that owned them.
plib_registry = self.vartree.dbapi.plib_registry
plib_dict = plib_registry.getPreservedLibs()
for cpv, paths in plib_collisions.items():
if cpv not in plib_dict:
continue
if cpv == self.mycpv:
continue
try:
slot, counter = self.vartree.dbapi.aux_get(
cpv, ["SLOT", "COUNTER"])
except KeyError:
continue
remaining = [f for f in plib_dict[cpv] if f not in paths]
plib_registry.register(cpv, slot, counter, remaining)
self.vartree.dbapi.removeFromContents(cpv, paths)
self.vartree.dbapi._add(self)
contents = self.getcontents()
#do postinst script
self.settings["PORTAGE_UPDATE_ENV"] = \
os.path.join(self.dbpkgdir, "environment.bz2")
self.settings.backup_changes("PORTAGE_UPDATE_ENV")
try:
if scheduler is None:
a = doebuild(myebuild, "postinst", destroot, self.settings,
use_cache=0, tree=self.treetype, mydbapi=mydbapi,
vartree=self.vartree)
if a == os.EX_OK:
showMessage(_(">>> %s merged.\n") % self.mycpv)
else:
a = scheduler.dblinkEbuildPhase(
self, mydbapi, myebuild, "postinst")
finally:
self.settings.pop("PORTAGE_UPDATE_ENV", None)
if a != os.EX_OK:
# It's stupid to bail out here, so keep going regardless of
# phase return code.
showMessage(_("!!! FAILED postinst: ")+str(a)+"\n",
level=logging.ERROR, noiselevel=-1)
downgrade = False
for v in otherversions:
if pkgcmp(catpkgsplit(self.pkg)[1:], catpkgsplit(v)[1:]) < 0:
downgrade = True
#update environment settings, library paths. DO NOT change symlinks.
env_update(makelinks=(not downgrade),
target_root=self.settings["ROOT"], prev_mtimes=prev_mtimes,
contents=contents, env=self.settings.environ(),
writemsg_level=self._display_merge)
# For gcc upgrades, preserved libs have to be removed after the
# the library path has been updated.
self._linkmap_rebuild()
cpv_lib_map = self._find_unused_preserved_libs()
if cpv_lib_map:
self._remove_preserved_libs(cpv_lib_map)
for cpv, removed in cpv_lib_map.items():
if not self.vartree.dbapi.cpv_exists(cpv):
continue
self.vartree.dbapi.removeFromContents(cpv, removed)
return os.EX_OK
def _new_backup_path(self, p):
"""
The works for any type path, such as a regular file, symlink,
or directory. The parent directory is assumed to exist.
The returned filename is of the form p + '.backup.' + x, where
x guarantees that the returned path does not exist yet.
"""
os = _os_merge
x = -1
while True:
x += 1
backup_p = p + '.backup.' + str(x).rjust(4, '0')
try:
os.lstat(backup_p)
except OSError:
break
return backup_p
def mergeme(self, srcroot, destroot, outfile, secondhand, stufftomerge, cfgfiledict, thismtime):
"""
This function handles actual merging of the package contents to the livefs.
It also handles config protection.
@param srcroot: Where are we copying files from (usually ${D})
@type srcroot: String (Path)
@param destroot: Typically ${ROOT}
@type destroot: String (Path)
@param outfile: File to log operations to
@type outfile: File Object
@param secondhand: A set of items to merge in pass two (usually
or symlinks that point to non-existing files that may get merged later)
@type secondhand: List
@param stufftomerge: Either a diretory to merge, or a list of items.
@type stufftomerge: String or List
@param cfgfiledict: { File:mtime } mapping for config_protected files
@type cfgfiledict: Dictionary
@param thismtime: The current time (typically long(time.time())
@type thismtime: Long
@rtype: None or Boolean
@returns:
1. True on failure
2. None otherwise
"""
showMessage = self._display_merge
writemsg = self._display_merge
scheduler = self._scheduler
os = _os_merge
sep = os.sep
join = os.path.join
srcroot = normalize_path(srcroot).rstrip(sep) + sep
destroot = normalize_path(destroot).rstrip(sep) + sep
# this is supposed to merge a list of files. There will be 2 forms of argument passing.
if isinstance(stufftomerge, basestring):
#A directory is specified. Figure out protection paths, listdir() it and process it.
mergelist = os.listdir(join(srcroot, stufftomerge))
offset = stufftomerge
else:
mergelist = stufftomerge
offset = ""
for i, x in enumerate(mergelist):
if scheduler is not None and \
0 == i % self._file_merge_yield_interval:
scheduler.scheduleYield()
mysrc = join(srcroot, offset, x)
mydest = join(destroot, offset, x)
# myrealdest is mydest without the $ROOT prefix (makes a difference if ROOT!="/")
myrealdest = join(sep, offset, x)
# stat file once, test using S_* macros many times (faster that way)
mystat = os.lstat(mysrc)
mymode = mystat[stat.ST_MODE]
# handy variables; mydest is the target object on the live filesystems;
# mysrc is the source object in the temporary install dir
try:
mydstat = os.lstat(mydest)
mydmode = mydstat.st_mode
except OSError as e:
if e.errno != errno.ENOENT:
raise
del e
#dest file doesn't exist
mydstat = None
mydmode = None
if stat.S_ISLNK(mymode):
# we are merging a symbolic link
myabsto = abssymlink(mysrc)
if myabsto.startswith(srcroot):
myabsto = myabsto[len(srcroot):]
myabsto = myabsto.lstrip(sep)
myto = os.readlink(mysrc)
if self.settings and self.settings["D"]:
if myto.startswith(self.settings["D"]):
myto = myto[len(self.settings["D"]):]
# myrealto contains the path of the real file to which this symlink points.
# we can simply test for existence of this file to see if the target has been merged yet
myrealto = normalize_path(os.path.join(destroot, myabsto))
if mydmode!=None:
#destination exists
if not stat.S_ISLNK(mydmode):
if stat.S_ISDIR(mydmode):
# directory in the way: we can't merge a symlink over a directory
# we won't merge this, continue with next file...
continue
if os.path.exists(mysrc) and stat.S_ISDIR(os.stat(mysrc)[stat.ST_MODE]):
# Kill file blocking installation of symlink to dir #71787
pass
elif self.isprotected(mydest):
# Use md5 of the target in ${D} if it exists...
try:
newmd5 = perform_md5(join(srcroot, myabsto))
except FileNotFound:
# Maybe the target is merged already.
try:
newmd5 = perform_md5(myrealto)
except FileNotFound:
newmd5 = None
mydest = new_protect_filename(mydest, newmd5=newmd5)
# if secondhand is None it means we're operating in "force" mode and should not create a second hand.
if (secondhand != None) and (not os.path.exists(myrealto)):
# either the target directory doesn't exist yet or the target file doesn't exist -- or
# the target is a broken symlink. We will add this file to our "second hand" and merge
# it later.
secondhand.append(mysrc[len(srcroot):])
continue
# unlinking no longer necessary; "movefile" will overwrite symlinks atomically and correctly
mymtime = movefile(mysrc, mydest, newmtime=thismtime,
sstat=mystat, mysettings=self.settings,
encoding=_encodings['merge'])
if mymtime != None:
showMessage(">>> %s -> %s\n" % (mydest, myto))
outfile.write("sym "+myrealdest+" -> "+myto+" "+str(mymtime)+"\n")
else:
showMessage(_("!!! Failed to move file.\n"),
level=logging.ERROR, noiselevel=-1)
showMessage("!!! %s -> %s\n" % (mydest, myto),
level=logging.ERROR, noiselevel=-1)
return 1
elif stat.S_ISDIR(mymode):
# we are merging a directory
if mydmode != None:
# destination exists
if bsd_chflags:
# Save then clear flags on dest.
dflags = mydstat.st_flags
if dflags != 0:
bsd_chflags.lchflags(mydest, 0)
if not os.access(mydest, os.W_OK):
pkgstuff = pkgsplit(self.pkg)
writemsg(_("\n!!! Cannot write to '%s'.\n") % mydest, noiselevel=-1)
writemsg(_("!!! Please check permissions and directories for broken symlinks.\n"))
writemsg(_("!!! You may start the merge process again by using ebuild:\n"))
writemsg("!!! ebuild "+self.settings["PORTDIR"]+"/"+self.cat+"/"+pkgstuff[0]+"/"+self.pkg+".ebuild merge\n")
writemsg(_("!!! And finish by running this: env-update\n\n"))
return 1
if stat.S_ISDIR(mydmode) or \
(stat.S_ISLNK(mydmode) and os.path.isdir(mydest)):
# a symlink to an existing directory will work for us; keep it:
showMessage("--- %s/\n" % mydest)
if bsd_chflags:
bsd_chflags.lchflags(mydest, dflags)
else:
# a non-directory and non-symlink-to-directory. Won't work for us. Move out of the way.
backup_dest = self._new_backup_path(mydest)
msg = []
msg.append("")
msg.append("Installation of a directory is blocked by a file:")
msg.append(" '%s'" % mydest)
msg.append("This file will be renamed to a different name:")
msg.append(" '%s'" % backup_dest)
msg.append("")
self._eerror("preinst", msg)
if movefile(mydest, backup_dest,
mysettings=self.settings,
encoding=_encodings['merge']) is None:
return 1
showMessage(_("bak %s %s.backup\n") % (mydest, mydest),
level=logging.ERROR, noiselevel=-1)
#now create our directory
if self.settings.selinux_enabled():
_selinux_merge.mkdir(mydest, mysrc)
else:
os.mkdir(mydest)
if bsd_chflags:
bsd_chflags.lchflags(mydest, dflags)
os.chmod(mydest, mystat[0])
os.chown(mydest, mystat[4], mystat[5])
showMessage(">>> %s/\n" % mydest)
else:
#destination doesn't exist
if self.settings.selinux_enabled():
_selinux_merge.mkdir(mydest, mysrc)
else:
os.mkdir(mydest)
os.chmod(mydest, mystat[0])
os.chown(mydest, mystat[4], mystat[5])
showMessage(">>> %s/\n" % mydest)
outfile.write("dir "+myrealdest+"\n")
# recurse and merge this directory
if self.mergeme(srcroot, destroot, outfile, secondhand,
join(offset, x), cfgfiledict, thismtime):
return 1
elif stat.S_ISREG(mymode):
# we are merging a regular file
mymd5 = perform_md5(mysrc, calc_prelink=1)
# calculate config file protection stuff
mydestdir = os.path.dirname(mydest)
moveme = 1
zing = "!!!"
mymtime = None
protected = self.isprotected(mydest)
if mydmode != None:
# destination file exists
if stat.S_ISDIR(mydmode):
# install of destination is blocked by an existing directory with the same name
newdest = self._new_backup_path(mydest)
msg = []
msg.append("")
msg.append("Installation of a regular file is blocked by a directory:")
msg.append(" '%s'" % mydest)
msg.append("This file will be merged with a different name:")
msg.append(" '%s'" % newdest)
msg.append("")
self._eerror("preinst", msg)
mydest = newdest
elif stat.S_ISREG(mydmode) or (stat.S_ISLNK(mydmode) and os.path.exists(mydest) and stat.S_ISREG(os.stat(mydest)[stat.ST_MODE])):
# install of destination is blocked by an existing regular file,
# or by a symlink to an existing regular file;
# now, config file management may come into play.
# we only need to tweak mydest if cfg file management is in play.
if protected:
# we have a protection path; enable config file management.
cfgprot = 0
destmd5 = perform_md5(mydest, calc_prelink=1)
if mymd5 == destmd5:
#file already in place; simply update mtimes of destination
moveme = 1
else:
if mymd5 == cfgfiledict.get(myrealdest, [None])[0]:
""" An identical update has previously been
merged. Skip it unless the user has chosen
--noconfmem."""
moveme = cfgfiledict["IGNORE"]
cfgprot = cfgfiledict["IGNORE"]
if not moveme:
zing = "---"
mymtime = mystat[stat.ST_MTIME]
else:
moveme = 1
cfgprot = 1
if moveme:
# Merging a new file, so update confmem.
cfgfiledict[myrealdest] = [mymd5]
elif destmd5 == cfgfiledict.get(myrealdest, [None])[0]:
"""A previously remembered update has been
accepted, so it is removed from confmem."""
del cfgfiledict[myrealdest]
if cfgprot:
mydest = new_protect_filename(mydest, newmd5=mymd5)
# whether config protection or not, we merge the new file the
# same way. Unless moveme=0 (blocking directory)
if moveme:
# Do not hardlink files unless they are in the same
# directory, since otherwise tar may not be able to
# extract a tarball of the resulting hardlinks due to
# 'Invalid cross-device link' errors (depends on layout of
# mount points). Also, don't hardlink zero-byte files since
# it doesn't save any space, and don't hardlink
# CONFIG_PROTECTed files since config files shouldn't be
# hardlinked to eachother (for example, shadow installs
# several identical config files inside /etc/pam.d/).
parent_dir = os.path.dirname(myrealdest)
hardlink_key = (parent_dir, mymd5, mystat.st_size,
mystat.st_mode, mystat.st_uid, mystat.st_gid)
hardlink_candidates = None
if not protected and mystat.st_size != 0:
hardlink_candidates = self._md5_merge_map.get(hardlink_key)
if hardlink_candidates is None:
hardlink_candidates = []
self._md5_merge_map[hardlink_key] = hardlink_candidates
mymtime = movefile(mysrc, mydest, newmtime=thismtime,
sstat=mystat, mysettings=self.settings,
hardlink_candidates=hardlink_candidates,
encoding=_encodings['merge'])
if mymtime is None:
return 1
if hardlink_candidates is not None:
hardlink_candidates.append(mydest)
zing = ">>>"
if mymtime != None:
outfile.write("obj "+myrealdest+" "+mymd5+" "+str(mymtime)+"\n")
showMessage("%s %s\n" % (zing,mydest))
else:
# we are merging a fifo or device node
zing = "!!!"
if mydmode is None:
# destination doesn't exist
if movefile(mysrc, mydest, newmtime=thismtime,
sstat=mystat, mysettings=self.settings,
encoding=_encodings['merge']) is not None:
zing = ">>>"
else:
return 1
if stat.S_ISFIFO(mymode):
outfile.write("fif %s\n" % myrealdest)
else:
outfile.write("dev %s\n" % myrealdest)
showMessage(zing + " " + mydest + "\n")
def merge(self, mergeroot, inforoot, myroot, myebuild=None, cleanup=0,
mydbapi=None, prev_mtimes=None):
"""
If portage is reinstalling itself, create temporary
copies of PORTAGE_BIN_PATH and PORTAGE_PYM_PATH in order
to avoid relying on the new versions which may be
incompatible. Register an atexit hook to clean up the
temporary directories. Pre-load elog modules here since
we won't be able to later if they get unmerged (happens
when namespace changes).
"""
if self.vartree.dbapi._categories is not None:
self.vartree.dbapi._categories = None
if self.myroot == "/" and \
match_from_list(PORTAGE_PACKAGE_ATOM, [self.mycpv]) and \
not self.vartree.dbapi.cpv_exists(self.mycpv):
settings = self.settings
base_path_orig = os.path.dirname(settings["PORTAGE_BIN_PATH"])
from tempfile import mkdtemp
# Make the temp directory inside PORTAGE_TMPDIR since, unlike
# /tmp, it can't be mounted with the "noexec" option.
base_path_tmp = mkdtemp("", "._portage_reinstall_.",
settings["PORTAGE_TMPDIR"])
from portage.process import atexit_register
atexit_register(shutil.rmtree, base_path_tmp)
dir_perms = 0o755
for subdir in "bin", "pym":
var_name = "PORTAGE_%s_PATH" % subdir.upper()
var_orig = settings[var_name]
var_new = os.path.join(base_path_tmp, subdir)
settings[var_name] = var_new
settings.backup_changes(var_name)
shutil.copytree(var_orig, var_new, symlinks=True)
os.chmod(var_new, dir_perms)
os.chmod(base_path_tmp, dir_perms)
# This serves so pre-load the modules.
elog_process(self.mycpv, self.settings)
return self._merge(mergeroot, inforoot,
myroot, myebuild=myebuild, cleanup=cleanup,
mydbapi=mydbapi, prev_mtimes=prev_mtimes)
def _merge(self, mergeroot, inforoot, myroot, myebuild=None, cleanup=0,
mydbapi=None, prev_mtimes=None):
retval = -1
self.lockdb()
self.vartree.dbapi._bump_mtime(self.mycpv)
try:
self.vartree.dbapi.plib_registry.load()
self.vartree.dbapi.plib_registry.pruneNonExisting()
retval = self.treewalk(mergeroot, myroot, inforoot, myebuild,
cleanup=cleanup, mydbapi=mydbapi, prev_mtimes=prev_mtimes)
# If PORTAGE_BUILDDIR doesn't exist, then it probably means
# fail-clean is enabled, and the success/die hooks have
# already been called by _emerge.EbuildPhase (via
# self._scheduler.dblinkEbuildPhase) prior to cleaning.
if os.path.isdir(self.settings['PORTAGE_BUILDDIR']):
if retval == os.EX_OK:
phase = 'success_hooks'
else:
phase = 'die_hooks'
if self._scheduler is None:
portage._spawn_misc_sh(self.settings, [phase],
phase=phase)
else:
self._scheduler.dblinkEbuildPhase(
self, mydbapi, myebuild, phase)
elog_process(self.mycpv, self.settings)
if 'noclean' not in self.settings.features and \
(retval == os.EX_OK or \
'fail-clean' in self.settings.features):
if myebuild is None:
myebuild = os.path.join(inforoot, self.pkg + ".ebuild")
if self._scheduler is None:
doebuild(myebuild, "clean", myroot,
self.settings, tree=self.treetype,
mydbapi=mydbapi, vartree=self.vartree)
else:
self._scheduler.dblinkEbuildPhase(
self, mydbapi, myebuild, "clean")
finally:
self.vartree.dbapi.linkmap._clear_cache()
self.unlockdb()
self.vartree.dbapi._bump_mtime(self.mycpv)
return retval
def getstring(self,name):
"returns contents of a file with whitespace converted to spaces"
if not os.path.exists(self.dbdir+"/"+name):
return ""
mydata = codecs.open(
_unicode_encode(os.path.join(self.dbdir, name),
encoding=_encodings['fs'], errors='strict'),
mode='r', encoding=_encodings['repo.content'], errors='replace'
).read().split()
return " ".join(mydata)
def copyfile(self,fname):
shutil.copyfile(fname,self.dbdir+"/"+os.path.basename(fname))
def getfile(self,fname):
if not os.path.exists(self.dbdir+"/"+fname):
return ""
return codecs.open(_unicode_encode(os.path.join(self.dbdir, fname),
encoding=_encodings['fs'], errors='strict'),
mode='r', encoding=_encodings['repo.content'], errors='replace'
).read()
def setfile(self,fname,data):
kwargs = {}
if fname == 'environment.bz2' or not isinstance(data, basestring):
kwargs['mode'] = 'wb'
else:
kwargs['mode'] = 'w'
kwargs['encoding'] = _encodings['repo.content']
write_atomic(os.path.join(self.dbdir, fname), data, **kwargs)
def getelements(self,ename):
if not os.path.exists(self.dbdir+"/"+ename):
return []
mylines = codecs.open(_unicode_encode(
os.path.join(self.dbdir, ename),
encoding=_encodings['fs'], errors='strict'),
mode='r', encoding=_encodings['repo.content'], errors='replace'
).readlines()
myreturn = []
for x in mylines:
for y in x[:-1].split():
myreturn.append(y)
return myreturn
def setelements(self,mylist,ename):
myelement = codecs.open(_unicode_encode(
os.path.join(self.dbdir, ename),
encoding=_encodings['fs'], errors='strict'),
mode='w', encoding=_encodings['repo.content'],
errors='backslashreplace')
for x in mylist:
myelement.write(x+"\n")
myelement.close()
def isregular(self):
"Is this a regular package (does it have a CATEGORY file? A dblink can be virtual *and* regular)"
return os.path.exists(os.path.join(self.dbdir, "CATEGORY"))
def write_contents(contents, root, f):
"""
Write contents to any file like object. The file will be left open.
"""
root_len = len(root) - 1
for filename in sorted(contents):
entry_data = contents[filename]
entry_type = entry_data[0]
relative_filename = filename[root_len:]
if entry_type == "obj":
entry_type, mtime, md5sum = entry_data
line = "%s %s %s %s\n" % \
(entry_type, relative_filename, md5sum, mtime)
elif entry_type == "sym":
entry_type, mtime, link = entry_data
line = "%s %s -> %s %s\n" % \
(entry_type, relative_filename, link, mtime)
else: # dir, dev, fif
line = "%s %s\n" % (entry_type, relative_filename)
f.write(line)
def tar_contents(contents, root, tar, protect=None, onProgress=None):
os = _os_merge
try:
for x in contents:
_unicode_encode(x,
encoding=_encodings['merge'],
errors='strict')
except UnicodeEncodeError:
# The package appears to have been merged with a
# different value of sys.getfilesystemencoding(),
# so fall back to utf_8 if appropriate.
try:
for x in contents:
_unicode_encode(x,
encoding=_encodings['fs'],
errors='strict')
except UnicodeEncodeError:
pass
else:
os = portage.os
from portage.util import normalize_path
import tarfile
root = normalize_path(root).rstrip(os.path.sep) + os.path.sep
id_strings = {}
maxval = len(contents)
curval = 0
if onProgress:
onProgress(maxval, 0)
paths = list(contents)
paths.sort()
for path in paths:
curval += 1
try:
lst = os.lstat(path)
except OSError as e:
if e.errno != errno.ENOENT:
raise
del e
if onProgress:
onProgress(maxval, curval)
continue
contents_type = contents[path][0]
if path.startswith(root):
arcname = path[len(root):]
else:
raise ValueError("invalid root argument: '%s'" % root)
live_path = path
if 'dir' == contents_type and \
not stat.S_ISDIR(lst.st_mode) and \
os.path.isdir(live_path):
# Even though this was a directory in the original ${D}, it exists
# as a symlink to a directory in the live filesystem. It must be
# recorded as a real directory in the tar file to ensure that tar
# can properly extract it's children.
live_path = os.path.realpath(live_path)
tarinfo = tar.gettarinfo(live_path, arcname)
if stat.S_ISREG(lst.st_mode):
# break hardlinks due to bug #185305
tarinfo.type = tarfile.REGTYPE
if protect and protect(path):
# Create an empty file as a place holder in order to avoid
# potential collision-protect issues.
f = tempfile.TemporaryFile()
f.write(_unicode_encode(
"# empty file because --include-config=n " + \
"when `quickpkg` was used\n"))
f.flush()
f.seek(0)
tarinfo.size = os.fstat(f.fileno()).st_size
tar.addfile(tarinfo, f)
f.close()
else:
f = open(_unicode_encode(path,
encoding=object.__getattribute__(os, '_encoding'),
errors='strict'), 'rb')
try:
tar.addfile(tarinfo, f)
finally:
f.close()
else:
tar.addfile(tarinfo)
if onProgress:
onProgress(maxval, curval)
|