summaryrefslogtreecommitdiffstats
path: root/meta/lib/oe/package_manager.py
blob: b430ee3a625defb8daa8ad87cbec4e6b082cbcf1 (plain)
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
from abc import ABCMeta, abstractmethod
import os
import glob
import subprocess
import shutil
import multiprocessing
import re
import bb


# this can be used by all PM backends to create the index files in parallel
def create_index(arg):
    index_cmd = arg

    try:
        bb.note("Executing '%s' ..." % index_cmd)
        subprocess.check_output(index_cmd, shell=True)
    except subprocess.CalledProcessError as e:
        return("Index creation command '%s' failed with return code %d:\n%s" %
               (e.cmd, e.returncode, e.output))

    return None


class Indexer(object):
    __metaclass__ = ABCMeta

    def __init__(self, d, deploy_dir):
        self.d = d
        self.deploy_dir = deploy_dir

    @abstractmethod
    def write_index(self):
        pass


class RpmIndexer(Indexer):
    def get_ml_prefix_and_os_list(self, arch_var=None, os_var=None):
        package_archs = {
            'default': [],
        }

        target_os = {
            'default': "",
        }

        if arch_var is not None and os_var is not None:
            package_archs['default'] = self.d.getVar(arch_var, True).split()
            package_archs['default'].reverse()
            target_os['default'] = self.d.getVar(os_var, True).strip()
        else:
            package_archs['default'] = self.d.getVar("PACKAGE_ARCHS", True).split()
            # arch order is reversed.  This ensures the -best- match is
            # listed first!
            package_archs['default'].reverse()
            target_os['default'] = self.d.getVar("TARGET_OS", True).strip()
            multilibs = self.d.getVar('MULTILIBS', True) or ""
            for ext in multilibs.split():
                eext = ext.split(':')
                if len(eext) > 1 and eext[0] == 'multilib':
                    localdata = bb.data.createCopy(self.d)
                    default_tune_key = "DEFAULTTUNE_virtclass-multilib-" + eext[1]
                    default_tune = localdata.getVar(default_tune_key, False)
                    if default_tune:
                        localdata.setVar("DEFAULTTUNE", default_tune)
                        bb.data.update_data(localdata)
                        package_archs[eext[1]] = localdata.getVar('PACKAGE_ARCHS',
                                                                  True).split()
                        package_archs[eext[1]].reverse()
                        target_os[eext[1]] = localdata.getVar("TARGET_OS",
                                                              True).strip()

        ml_prefix_list = dict()
        for mlib in package_archs:
            if mlib == 'default':
                ml_prefix_list[mlib] = package_archs[mlib]
            else:
                ml_prefix_list[mlib] = list()
                for arch in package_archs[mlib]:
                    if arch in ['all', 'noarch', 'any']:
                        ml_prefix_list[mlib].append(arch)
                    else:
                        ml_prefix_list[mlib].append(mlib + "_" + arch)

        return (ml_prefix_list, target_os)

    def write_index(self):
        sdk_pkg_archs = (self.d.getVar('SDK_PACKAGE_ARCHS', True) or "").replace('-', '_').split()
        all_mlb_pkg_archs = (self.d.getVar('ALL_MULTILIB_PACKAGE_ARCHS', True) or "").replace('-', '_').split()

        mlb_prefix_list = self.get_ml_prefix_and_os_list()[0]

        archs = set()
        for item in mlb_prefix_list:
            archs = archs.union(set(i.replace('-', '_') for i in mlb_prefix_list[item]))

        if len(archs) == 0:
            archs = archs.union(set(all_mlb_pkg_archs))

        archs = archs.union(set(sdk_pkg_archs))

        rpm_createrepo = bb.utils.which(os.getenv('PATH'), "createrepo")
        index_cmds = []
        rpm_dirs_found = False
        for arch in archs:
            arch_dir = os.path.join(self.deploy_dir, arch)
            if not os.path.isdir(arch_dir):
                continue

            index_cmds.append("%s --update -q %s" % (rpm_createrepo, arch_dir))

            rpm_dirs_found = True

        if not rpm_dirs_found:
            bb.note("There are no packages in %s" % self.deploy_dir)
            return

        nproc = multiprocessing.cpu_count()
        pool = bb.utils.multiprocessingpool(nproc)
        results = list(pool.imap(create_index, index_cmds))
        pool.close()
        pool.join()

        for result in results:
            if result is not None:
                return(result)


class OpkgIndexer(Indexer):
    def write_index(self):
        arch_vars = ["ALL_MULTILIB_PACKAGE_ARCHS",
                     "SDK_PACKAGE_ARCHS",
                     "MULTILIB_ARCHS"]

        opkg_index_cmd = bb.utils.which(os.getenv('PATH'), "opkg-make-index")

        if not os.path.exists(os.path.join(self.deploy_dir, "Packages")):
            open(os.path.join(self.deploy_dir, "Packages"), "w").close()

        index_cmds = []
        for arch_var in arch_vars:
            archs = self.d.getVar(arch_var, True)
            if archs is None:
                continue

            for arch in archs.split():
                pkgs_dir = os.path.join(self.deploy_dir, arch)
                pkgs_file = os.path.join(pkgs_dir, "Packages")

                if not os.path.isdir(pkgs_dir):
                    continue

                if not os.path.exists(pkgs_file):
                    open(pkgs_file, "w").close()

                index_cmds.append('%s -r %s -p %s -m %s' %
                                  (opkg_index_cmd, pkgs_file, pkgs_file, pkgs_dir))

        if len(index_cmds) == 0:
            bb.note("There are no packages in %s!" % self.deploy_dir)
            return

        nproc = multiprocessing.cpu_count()
        pool = bb.utils.multiprocessingpool(nproc)
        results = list(pool.imap(create_index, index_cmds))
        pool.close()
        pool.join()

        for result in results:
            if result is not None:
                return(result)


class DpkgIndexer(Indexer):
    def write_index(self):
        pkg_archs = self.d.getVar('PACKAGE_ARCHS', True)
        if pkg_archs is not None:
            arch_list = pkg_archs.split()
        sdk_pkg_archs = self.d.getVar('SDK_PACKAGE_ARCHS', True)
        if sdk_pkg_archs is not None:
            arch_list += sdk_pkg_archs.split()

        dpkg_scanpackages = bb.utils.which(os.getenv('PATH'), "dpkg-scanpackages")
        gzip = bb.utils.which(os.getenv('PATH'), "gzip")

        index_cmds = []
        deb_dirs_found = False
        for arch in arch_list:
            arch_dir = os.path.join(self.deploy_dir, arch)
            if not os.path.isdir(arch_dir):
                continue

            with open(os.path.join(arch_dir, "Release"), "w+") as release:
                release.write("Label: %s" % arch)

            index_cmds.append("cd %s; %s . | %s > Packages.gz" %
                              (arch_dir, dpkg_scanpackages, gzip))

            deb_dirs_found = True

        if not deb_dirs_found:
            bb.note("There are no packages in %s" % self.deploy_dir)
            return

        nproc = multiprocessing.cpu_count()
        pool = bb.utils.multiprocessingpool(nproc)
        results = list(pool.imap(create_index, index_cmds))
        pool.close()
        pool.join()

        for result in results:
            if result is not None:
                return(result)


class PackageManager(object):
    """
    This is an abstract class. Do not instantiate this directly.
    """
    __metaclass__ = ABCMeta

    def __init__(self, d):
        self.d = d
        self.deploy_dir = None
        self.deploy_lock = None

    """
    Update the package manager package database.
    """
    @abstractmethod
    def update(self):
        pass

    """
    Install a list of packages. 'pkgs' is a list object. If 'attempt_only' is
    True, installation failures are ignored.
    """
    @abstractmethod
    def install(self, pkgs, attempt_only=False):
        pass

    """
    Remove a list of packages. 'pkgs' is a list object. If 'with_dependencies'
    is False, the any dependencies are left in place.
    """
    @abstractmethod
    def remove(self, pkgs, with_dependencies=True):
        pass

    """
    This function creates the index files
    """
    @abstractmethod
    def write_index(self):
        pass

    @abstractmethod
    def remove_packaging_data(self):
        pass

    @abstractmethod
    def list_installed(self, format=None):
        pass

    """
    Install complementary packages based upon the list of currently installed
    packages e.g. locales, *-dev, *-dbg, etc. This will only attempt to install
    these packages, if they don't exist then no error will occur.  Note: every
    backend needs to call this function explicitly after the normal package
    installation
    """
    def install_complementary(self, globs=None):
        # we need to write the list of installed packages to a file because the
        # oe-pkgdata-util reads it from a file
        installed_pkgs_file = os.path.join(self.d.getVar('WORKDIR', True),
                                           "installed_pkgs.txt")
        with open(installed_pkgs_file, "w+") as installed_pkgs:
            installed_pkgs.write(self.list_installed("arch"))

        if globs is None:
            globs = self.d.getVar('IMAGE_INSTALL_COMPLEMENTARY', True)
            split_linguas = set()

            for translation in self.d.getVar('IMAGE_LINGUAS', True).split():
                split_linguas.add(translation)
                split_linguas.add(translation.split('-')[0])

            split_linguas = sorted(split_linguas)

            for lang in split_linguas:
                globs += " *-locale-%s" % lang

        if globs is None:
            return

        cmd = [bb.utils.which(os.getenv('PATH'), "oe-pkgdata-util"),
               "glob", self.d.getVar('PKGDATA_DIR', True), installed_pkgs_file,
               globs]
        try:
            bb.note("Installing complementary packages ...")
            complementary_pkgs = subprocess.check_output(cmd)
        except subprocess.CalledProcessError as e:
            bb.fatal("Could not compute complementary packages list. Command "
                     "'%s' returned %d:\n%s" %
                     (' '.join(cmd), e.returncode, e.output))

        self.install(complementary_pkgs.split(), attempt_only=True)

    def deploy_dir_lock(self):
        if self.deploy_dir is None:
            raise RuntimeError("deploy_dir is not set!")

        lock_file_name = os.path.join(self.deploy_dir, "deploy.lock")

        self.deploy_lock = bb.utils.lockfile(lock_file_name)

    def deploy_dir_unlock(self):
        if self.deploy_lock is None:
            return

        bb.utils.unlockfile(self.deploy_lock)

        self.deploy_lock = None


class RpmPM(PackageManager):
    def __init__(self,
                 d,
                 target_rootfs,
                 target_vendor,
                 task_name='target',
                 providename=None,
                 arch_var=None,
                 os_var=None):
        super(RpmPM, self).__init__(d)
        self.target_rootfs = target_rootfs
        self.target_vendor = target_vendor
        self.task_name = task_name
        self.providename = providename
        self.fullpkglist = list()
        self.deploy_dir = self.d.getVar('DEPLOY_DIR_RPM', True)
        self.etcrpm_dir = os.path.join(self.target_rootfs, "etc/rpm")
        self.install_dir = os.path.join(self.target_rootfs, "install")
        self.rpm_cmd = bb.utils.which(os.getenv('PATH'), "rpm")
        self.smart_cmd = bb.utils.which(os.getenv('PATH'), "smart")
        self.smart_opt = "--data-dir=" + os.path.join(target_rootfs,
                                                      'var/lib/smart')
        self.scriptlet_wrapper = self.d.expand('${WORKDIR}/scriptlet_wrapper')
        self.solution_manifest = self.d.expand('${T}/saved/%s_solution' %
                                               self.task_name)
        self.saved_rpmlib = self.d.expand('${T}/saved/%s' % self.task_name)
        self.image_rpmlib = os.path.join(self.target_rootfs, 'var/lib/rpm')

        if not os.path.exists(self.d.expand('${T}/saved')):
            bb.utils.mkdirhier(self.d.expand('${T}/saved'))

        self.indexer = RpmIndexer(self.d, self.deploy_dir)

        self.ml_prefix_list, self.ml_os_list = self.indexer.get_ml_prefix_and_os_list(arch_var, os_var)

    '''
    Create configs for rpm and smart, and multilib is supported
    '''
    def create_configs(self):
        target_arch = self.d.getVar('TARGET_ARCH', True)
        platform = '%s%s-%s' % (target_arch.replace('-', '_'),
                                self.target_vendor,
                                self.ml_os_list['default'])

        # List must be prefered to least preferred order
        default_platform_extra = set()
        platform_extra = set()
        bbextendvariant = self.d.getVar('BBEXTENDVARIANT', True) or ""
        for mlib in self.ml_os_list:
            for arch in self.ml_prefix_list[mlib]:
                plt = arch.replace('-', '_') + '-.*-' + self.ml_os_list[mlib]
                if mlib == bbextendvariant:
                        default_platform_extra.add(plt)
                else:
                        platform_extra.add(plt)

        platform_extra = platform_extra.union(default_platform_extra)

        self._create_configs(platform, platform_extra)

    def _invoke_smart(self, args):
        cmd = "%s %s %s" % (self.smart_cmd, self.smart_opt, args)
        # bb.note(cmd)
        try:
            complementary_pkgs = subprocess.check_output(cmd, shell=True)
            # bb.note(complementary_pkgs)
            return complementary_pkgs
        except subprocess.CalledProcessError as e:
            bb.fatal("Could not invoke smart. Command "
                     "'%s' returned %d:\n%s" % (cmd, e.returncode, e.output))

    '''
    Translate the RPM/Smart format names to the OE multilib format names
    '''
    def _pkg_translate_smart_to_oe(self, pkg, arch):
        new_pkg = pkg
        fixed_arch = arch.replace('_', '-')
        found = 0
        for mlib in self.ml_prefix_list:
            for cmp_arch in self.ml_prefix_list[mlib]:
                fixed_cmp_arch = cmp_arch.replace('_', '-')
                if fixed_arch == fixed_cmp_arch:
                    if mlib == 'default':
                        new_pkg = pkg
                        new_arch = cmp_arch
                    else:
                        new_pkg = mlib + '-' + pkg
                        # We need to strip off the ${mlib}_ prefix on the arch
                        new_arch = cmp_arch.replace(mlib + '_', '')

                    # Workaround for bug 3565. Simply look to see if we
                    # know of a package with that name, if not try again!
                    filename = os.path.join(self.d.getVar('PKGDATA_DIR', True),
                                            'runtime-reverse',
                                            new_pkg)
                    if os.path.exists(filename):
                        found = 1
                        break

            if found == 1 and fixed_arch == fixed_cmp_arch:
                break
        #bb.note('%s, %s -> %s, %s' % (pkg, arch, new_pkg, new_arch))
        return new_pkg, new_arch

    def _search_pkg_name_in_feeds(self, pkg, feed_archs):
        for arch in feed_archs:
            arch = arch.replace('-', '_')
            for p in self.fullpkglist:
                regex_match = r"^%s-[^-]*-[^-]*@%s$" % \
                    (re.escape(pkg), re.escape(arch))
                if re.match(regex_match, p) is not None:
                    # First found is best match
                    # bb.note('%s -> %s' % (pkg, pkg + '@' + arch))
                    return pkg + '@' + arch

        return ""

    '''
    Translate the OE multilib format names to the RPM/Smart format names
    It searched the RPM/Smart format names in probable multilib feeds first,
    and then searched the default base feed.
    '''
    def _pkg_translate_oe_to_smart(self, pkgs, attempt_only=False):
        new_pkgs = list()

        for pkg in pkgs:
            new_pkg = pkg
            # Search new_pkg in probable multilibs first
            for mlib in self.ml_prefix_list:
                # Jump the default archs
                if mlib == 'default':
                    continue

                subst = pkg.replace(mlib + '-', '')
                # if the pkg in this multilib feed
                if subst != pkg:
                    feed_archs = self.ml_prefix_list[mlib]
                    new_pkg = self._search_pkg_name_in_feeds(subst, feed_archs)
                    if not new_pkg:
                        # Failed to translate, package not found!
                        err_msg = '%s not found in the %s feeds (%s).\n' % \
                                  (pkg, mlib, " ".join(feed_archs))
                        if not attempt_only:
                            err_msg += " ".join(self.fullpkglist)
                            bb.fatal(err_msg)
                        bb.warn(err_msg)
                    else:
                        new_pkgs.append(new_pkg)

                    break

            # Apparently not a multilib package...
            if pkg == new_pkg:
                # Search new_pkg in default archs
                default_archs = self.ml_prefix_list['default']
                new_pkg = self._search_pkg_name_in_feeds(pkg, default_archs)
                if not new_pkg:
                    err_msg = '%s not found in the base feeds (%s).\n' % \
                              (pkg, ' '.join(default_archs))
                    if not attempt_only:
                        err_msg += " ".join(self.fullpkglist)
                        bb.fatal(err_msg)
                    bb.warn(err_msg)
                else:
                    new_pkgs.append(new_pkg)

        return new_pkgs

    def _create_configs(self, platform, platform_extra):
        # Setup base system configuration
        bb.note("configuring RPM platform settings")

        # Configure internal RPM environment when using Smart
        os.environ['RPM_ETCRPM'] = self.etcrpm_dir
        bb.utils.mkdirhier(self.etcrpm_dir)

        # Setup temporary directory -- install...
        if os.path.exists(self.install_dir):
            bb.utils.remove(self.install_dir, True)
        bb.utils.mkdirhier(os.path.join(self.install_dir, 'tmp'))

        channel_priority = 5
        platform_dir = os.path.join(self.etcrpm_dir, "platform")
        with open(platform_dir, "w+") as platform_fd:
            platform_fd.write(platform + '\n')
            for pt in platform_extra:
                channel_priority += 5
                platform_fd.write(re.sub("-linux.*$", "-linux.*\n", pt))

        # Tell RPM that the "/" directory exist and is available
        bb.note("configuring RPM system provides")
        sysinfo_dir = os.path.join(self.etcrpm_dir, "sysinfo")
        bb.utils.mkdirhier(sysinfo_dir)
        with open(os.path.join(sysinfo_dir, "Dirnames"), "w+") as dirnames:
            dirnames.write("/\n")

        if self.providename:
            providename_dir = os.path.join(sysinfo_dir, "Providename")
            if not os.path.exists(providename_dir):
                providename_content = '\n'.join(self.providename)
                providename_content += '\n'
                open(providename_dir, "w+").write(providename_content)

        # Configure RPM... we enforce these settings!
        bb.note("configuring RPM DB settings")
        # After change the __db.* cache size, log file will not be
        # generated automatically, that will raise some warnings,
        # so touch a bare log for rpm write into it.
        rpmlib_log = os.path.join(self.image_rpmlib, 'log', 'log.0000000001')
        if not os.path.exists(rpmlib_log):
            bb.utils.mkdirhier(os.path.join(self.image_rpmlib, 'log'))
            open(rpmlib_log, 'w+').close()

        DB_CONFIG_CONTENT = "# ================ Environment\n" \
            "set_data_dir .\n" \
            "set_create_dir .\n" \
            "set_lg_dir ./log\n" \
            "set_tmp_dir ./tmp\n" \
            "set_flags db_log_autoremove on\n" \
            "\n" \
            "# -- thread_count must be >= 8\n" \
            "set_thread_count 64\n" \
            "\n" \
            "# ================ Logging\n" \
            "\n" \
            "# ================ Memory Pool\n" \
            "set_cachesize 0 1048576 0\n" \
            "set_mp_mmapsize 268435456\n" \
            "\n" \
            "# ================ Locking\n" \
            "set_lk_max_locks 16384\n" \
            "set_lk_max_lockers 16384\n" \
            "set_lk_max_objects 16384\n" \
            "mutex_set_max 163840\n" \
            "\n" \
            "# ================ Replication\n"

        db_config_dir = os.path.join(self.image_rpmlib, 'DB_CONFIG')
        if not os.path.exists(db_config_dir):
            open(db_config_dir, 'w+').write(DB_CONFIG_CONTENT)

        # Create database so that smart doesn't complain (lazy init)
        cmd = "%s --root %s --dbpath /var/lib/rpm -qa > /dev/null" % (
              self.rpm_cmd,
              self.target_rootfs)
        try:
            subprocess.check_output(cmd, shell=True)
        except subprocess.CalledProcessError as e:
            bb.fatal("Create rpm database failed. Command '%s' "
                     "returned %d:\n%s" % (cmd, e.returncode, e.output))

        # Configure smart
        bb.note("configuring Smart settings")
        bb.utils.remove(os.path.join(self.target_rootfs, 'var/lib/smart'),
                        True)
        self._invoke_smart('config --set rpm-root=%s' % self.target_rootfs)
        self._invoke_smart('config --set rpm-dbpath=/var/lib/rpm')
        self._invoke_smart('config --set rpm-extra-macros._var=%s' %
                           self.d.getVar('localstatedir', True))
        cmd = 'config --set rpm-extra-macros._tmppath=/install/tmp'
        self._invoke_smart(cmd)

        # Write common configuration for host and target usage
        self._invoke_smart('config --set rpm-nolinktos=1')
        self._invoke_smart('config --set rpm-noparentdirs=1')
        for i in self.d.getVar('BAD_RECOMMENDATIONS', True).split():
            self._invoke_smart('flag --set ignore-recommends %s' % i)

        # Do the following configurations here, to avoid them being
        # saved for field upgrade
        if self.d.getVar('NO_RECOMMENDATIONS', True).strip() == "1":
            self._invoke_smart('config --set ignore-all-recommends=1')
        pkg_exclude = self.d.getVar('PACKAGE_EXCLUDE', True) or ""
        for i in pkg_exclude.split():
            self._invoke_smart('flag --set exclude-packages %s' % i)

        # Optional debugging
        # self._invoke_smart('config --set rpm-log-level=debug')
        # cmd = 'config --set rpm-log-file=/tmp/smart-debug-logfile'
        # self._invoke_smart(cmd)

        for canonical_arch in platform_extra:
            arch = canonical_arch.split('-')[0]
            arch_channel = os.path.join(self.deploy_dir, arch)
            if os.path.exists(arch_channel):
                bb.note('Note: adding Smart channel %s (%s)' %
                        (arch, channel_priority))
                self._invoke_smart('channel --add %s type=rpm-md baseurl=%s -y'
                                   % (arch, arch_channel))
                self._invoke_smart('channel --set %s priority=%d' %
                                   (arch, channel_priority))
                channel_priority -= 5

        bb.note('adding Smart RPM DB channel')
        self._invoke_smart('channel --add rpmsys type=rpm-sys -y')

        # Construct install scriptlet wrapper.
        # Scripts need to be ordered when executed, this ensures numeric order.
        # If we ever run into needing more the 899 scripts, we'll have to.
        # change num to start with 1000.
        #
        SCRIPTLET_FORMAT = "#!/bin/bash\n" \
            "\n" \
            "export PATH=%s\n" \
            "export D=%s\n" \
            'export OFFLINE_ROOT="$D"\n' \
            'export IPKG_OFFLINE_ROOT="$D"\n' \
            'export OPKG_OFFLINE_ROOT="$D"\n' \
            "export INTERCEPT_DIR=%s\n" \
            "export NATIVE_ROOT=%s\n" \
            "\n" \
            "$2 $1/$3 $4\n" \
            "if [ $? -ne 0 ]; then\n" \
            "  if [ $4 -eq 1 ]; then\n" \
            "    mkdir -p $1/etc/rpm-postinsts\n" \
            "    num=100\n" \
            "    while [ -e $1/etc/rpm-postinsts/${num}-* ]; do num=$((num + 1)); done\n" \
            "    name=`head -1 $1/$3 | cut -d\' \' -f 2`\n" \
            '    echo "#!$2" > $1/etc/rpm-postinsts/${num}-${name}\n' \
            '    echo "# Arg: $4" >> $1/etc/rpm-postinsts/${num}-${name}\n' \
            "    cat $1/$3 >> $1/etc/rpm-postinsts/${num}-${name}\n" \
            "    chmod +x $1/etc/rpm-postinsts/${num}-${name}\n" \
            "  else\n" \
            '    echo "Error: pre/post remove scriptlet failed"\n' \
            "  fi\n" \
            "fi\n"

        intercept_dir = self.d.expand('${WORKDIR}/intercept_scripts')
        native_root = self.d.getVar('STAGING_DIR_NATIVE', True)
        scriptlet_content = SCRIPTLET_FORMAT % (os.environ['PATH'],
                                                self.target_rootfs,
                                                intercept_dir,
                                                native_root)
        open(self.scriptlet_wrapper, 'w+').write(scriptlet_content)

        bb.note("Note: configuring RPM cross-install scriptlet_wrapper")
        os.chmod(self.scriptlet_wrapper, 0755)
        cmd = 'config --set rpm-extra-macros._cross_scriptlet_wrapper=%s' % \
              self.scriptlet_wrapper
        self._invoke_smart(cmd)

        # Debug to show smart config info
        # bb.note(self._invoke_smart('config --show'))

    def update(self):
        self._invoke_smart('update rpmsys')

    '''
    Install pkgs with smart, the pkg name is oe format
    '''
    def install(self, pkgs, attempt_only=False):

        bb.note("Installing the following packages: %s" % ' '.join(pkgs))
        if attempt_only and len(pkgs) == 0:
            return
        pkgs = self._pkg_translate_oe_to_smart(pkgs, attempt_only)

        if not attempt_only:
            bb.note('to be installed: %s' % ' '.join(pkgs))
            cmd = "%s %s install -y %s" % \
                  (self.smart_cmd, self.smart_opt, ' '.join(pkgs))
            bb.note(cmd)
        else:
            bb.note('installing attempt only packages...')
            bb.note('Attempting %s' % ' '.join(pkgs))
            cmd = "%s %s install --attempt -y %s" % \
                  (self.smart_cmd, self.smart_opt, ' '.join(pkgs))
        try:
            output = subprocess.check_output(cmd.split())
            bb.note(output)
        except subprocess.CalledProcessError as e:
            bb.fatal("Unable to install packages. Command '%s' "
                     "returned %d:\n%s" % (cmd, e.returncode, e.output))

    '''
    Remove pkgs with smart, the pkg name is smart/rpm format
    '''
    def remove(self, pkgs, with_dependencies=True):
        bb.note('to be removed: ' + ' '.join(pkgs))

        if not with_dependencies:
            cmd = "%s -e --nodeps " % self.rpm_cmd
            cmd += "--root=%s " % self.target_rootfs
            cmd += "--dbpath=/var/lib/rpm "
            cmd += "--define='_cross_scriptlet_wrapper %s' " % \
                   self.scriptlet_wrapper
            cmd += "--define='_tmppath /install/tmp' %s" % ' '.join(pkgs)
        else:
            # for pkg in pkgs:
            #   bb.note('Debug: What required: %s' % pkg)
            #   bb.note(self._invoke_smart('query %s --show-requiredby' % pkg))

            cmd = "%s %s remove -y %s" % (self.smart_cmd,
                                          self.smart_opt,
                                          ' '.join(pkgs))

        try:
            bb.note(cmd)
            output = subprocess.check_output(cmd, shell=True)
            bb.note(output)
        except subprocess.CalledProcessError as e:
            bb.note("Unable to remove packages. Command '%s' "
                    "returned %d:\n%s" % (cmd, e.returncode, e.output))

    def upgrade(self):
        bb.note('smart upgrade')
        self._invoke_smart('upgrade')

    def write_index(self):
        result = self.indexer.write_index()

        if result is not None:
            bb.fatal(result)

    def remove_packaging_data(self):
        bb.utils.remove(self.image_rpmlib, True)
        bb.utils.remove(os.path.join(self.target_rootfs, 'var/lib/smart'),
                        True)
        bb.utils.remove(os.path.join(self.target_rootfs, 'var/lib/opkg'), True)

        # remove temp directory
        bb.utils.remove(self.d.expand('${IMAGE_ROOTFS}/install'), True)

    def backup_packaging_data(self):
        # Save the rpmlib for increment rpm image generation
        if os.path.exists(self.saved_rpmlib):
            bb.utils.remove(self.saved_rpmlib, True)
        shutil.copytree(self.image_rpmlib,
                        self.saved_rpmlib,
                        symlinks=True)

    def recovery_packaging_data(self):
        # Move the rpmlib back
        if os.path.exists(self.saved_rpmlib):
            if os.path.exists(self.image_rpmlib):
                bb.utils.remove(self.image_rpmlib, True)

            bb.note('Recovery packaging data')
            shutil.copytree(self.saved_rpmlib,
                            self.image_rpmlib,
                            symlinks=True)

    def list_installed(self, format=None):
        cmd = self.rpm_cmd + ' --root ' + self.target_rootfs
        cmd += ' -D "_dbpath /var/lib/rpm" -qa'
        cmd += " --qf '[%{NAME} %{ARCH} %{VERSION} %{PACKAGEORIGIN}\n]'"

        try:
            # bb.note(cmd)
            tmp_output = subprocess.check_output(cmd, shell=True).strip()
            self._unlock_rpm_db()
        except subprocess.CalledProcessError as e:
            bb.fatal("Cannot get the installed packages list. Command '%s' "
                     "returned %d:\n%s" % (cmd, e.returncode, e.output))

        output = list()
        for line in tmp_output.split('\n'):
            if len(line.strip()) == 0:
                continue
            pkg = line.split()[0]
            arch = line.split()[1]
            ver = line.split()[2]
            pkgorigin = line.split()[3]
            new_pkg, new_arch = self._pkg_translate_smart_to_oe(pkg, arch)

            if format == "arch":
                output.append('%s %s' % (new_pkg, new_arch))
            elif format == "file":
                output.append('%s %s %s' % (new_pkg, pkgorigin, new_arch))
            elif format == "ver":
                output.append('%s %s %s' % (new_pkg, new_arch, ver))
            else:
                output.append('%s' % (new_pkg))

            output.sort()

        return '\n'.join(output)

    '''
    If incremental install, we need to determine what we've got,
    what we need to add, and what to remove...
    The dump_install_solution will dump and save the new install
    solution.
    '''
    def dump_install_solution(self, pkgs):
        bb.note('creating new install solution for incremental install')
        if len(pkgs) == 0:
            return

        pkgs = self._pkg_translate_oe_to_smart(pkgs, False)
        install_pkgs = list()

        cmd = "%s %s install -y --dump %s 2>%s" %  \
              (self.smart_cmd,
               self.smart_opt,
               ' '.join(pkgs),
               self.solution_manifest)
        try:
            # Disable rpmsys channel for the fake install
            self._invoke_smart('channel --disable rpmsys')

            subprocess.check_output(cmd, shell=True)
            with open(self.solution_manifest, 'r') as manifest:
                for pkg in manifest.read().split('\n'):
                    if '@' in pkg:
                        install_pkgs.append(pkg)
        except subprocess.CalledProcessError as e:
            bb.note("Unable to dump install packages. Command '%s' "
                    "returned %d:\n%s" % (cmd, e.returncode, e.output))
        # Recovery rpmsys channel
        self._invoke_smart('channel --enable rpmsys')
        return install_pkgs

    '''
    If incremental install, we need to determine what we've got,
    what we need to add, and what to remove...
    The load_old_install_solution will load the previous install
    solution
    '''
    def load_old_install_solution(self):
        bb.note('load old install solution for incremental install')
        installed_pkgs = list()
        if not os.path.exists(self.solution_manifest):
            bb.note('old install solution not exist')
            return installed_pkgs

        with open(self.solution_manifest, 'r') as manifest:
            for pkg in manifest.read().split('\n'):
                if '@' in pkg:
                    installed_pkgs.append(pkg.strip())

        return installed_pkgs

    '''
    Dump all available packages in feeds, it should be invoked after the
    newest rpm index was created
    '''
    def dump_all_available_pkgs(self):
        available_manifest = self.d.expand('${T}/saved/available_pkgs.txt')
        available_pkgs = list()
        cmd = "%s %s query --output %s" %  \
              (self.smart_cmd, self.smart_opt, available_manifest)
        try:
            subprocess.check_output(cmd, shell=True)
            with open(available_manifest, 'r') as manifest:
                for pkg in manifest.read().split('\n'):
                    if '@' in pkg:
                        available_pkgs.append(pkg.strip())
        except subprocess.CalledProcessError as e:
            bb.note("Unable to list all available packages. Command '%s' "
                    "returned %d:\n%s" % (cmd, e.returncode, e.output))

        self.fullpkglist = available_pkgs

        return

    def save_rpmpostinst(self, pkg):
        mlibs = (self.d.getVar('MULTILIB_GLOBAL_VARIANTS') or "").split()

        new_pkg = pkg
        # Remove any multilib prefix from the package name
        for mlib in mlibs:
            if mlib in pkg:
                new_pkg = pkg.replace(mlib + '-', '')
                break

        bb.note('  * postponing %s' % new_pkg)
        saved_dir = self.target_rootfs + self.d.expand('${sysconfdir}/rpm-postinsts/') + new_pkg

        cmd = self.rpm_cmd + ' -q --scripts --root ' + self.target_rootfs
        cmd += ' --dbpath=/var/lib/rpm ' + new_pkg
        cmd += ' | sed -n -e "/^postinstall scriptlet (using .*):$/,/^.* scriptlet (using .*):$/ {/.*/p}"'
        cmd += ' | sed -e "/postinstall scriptlet (using \(.*\)):$/d"'
        cmd += ' -e "/^.* scriptlet (using .*):$/d" > %s' % saved_dir

        try:
            bb.note(cmd)
            output = subprocess.check_output(cmd, shell=True).strip()
            bb.note(output)
            os.chmod(saved_dir, 0755)
            self._unlock_rpm_db()
        except subprocess.CalledProcessError as e:
            bb.fatal("Invoke save_rpmpostinst failed. Command '%s' "
                     "returned %d:\n%s" % (cmd, e.returncode, e.output))

    '''Write common configuration for target usage'''
    def rpm_setup_smart_target_config(self):
        bb.utils.remove(os.path.join(self.target_rootfs, 'var/lib/smart'),
                        True)

        self._invoke_smart('config --set rpm-nolinktos=1')
        self._invoke_smart('config --set rpm-noparentdirs=1')
        for i in self.d.getVar('BAD_RECOMMENDATIONS', True).split():
            self._invoke_smart('flag --set ignore-recommends %s' % i)
        self._invoke_smart('channel --add rpmsys type=rpm-sys -y')

        self._unlock_rpm_db()

    '''
    The rpm db lock files were produced after invoking rpm to query on
    build system, and they caused the rpm on target didn't work, so we
    need to unlock the rpm db by removing the lock files.
    '''
    def _unlock_rpm_db(self):
        # Remove rpm db lock files
        rpm_db_locks = glob.glob('%s/var/lib/rpm/__db.*' % self.target_rootfs)
        for f in rpm_db_locks:
            bb.utils.remove(f, True)


class OpkgPM(PackageManager):
    def __init__(self, d, target_rootfs, config_file, archs, task_name='target'):
        super(OpkgPM, self).__init__(d)

        self.target_rootfs = target_rootfs
        self.config_file = config_file
        self.pkg_archs = archs
        self.task_name = task_name

        self.deploy_dir = self.d.getVar("DEPLOY_DIR_IPK", True)
        self.deploy_lock_file = os.path.join(self.deploy_dir, "deploy.lock")

        self.opkg_cmd = bb.utils.which(os.getenv('PATH'), "opkg-cl")
        self.opkg_args = "-f %s -o %s " % (self.config_file, target_rootfs)
        self.opkg_args += self.d.getVar("OPKG_ARGS", True)

        opkg_lib_dir = self.d.getVar('OPKGLIBDIR', True)
        if opkg_lib_dir[0] == "/":
            opkg_lib_dir = opkg_lib_dir[1:]

        self.opkg_dir = os.path.join(target_rootfs, opkg_lib_dir, "opkg")

        bb.utils.mkdirhier(self.opkg_dir)

        self.saved_opkg_dir = self.d.expand('${T}/saved/%s' % self.task_name)
        if not os.path.exists(self.d.expand('${T}/saved')):
            bb.utils.mkdirhier(self.d.expand('${T}/saved'))

        if (self.d.getVar('BUILD_IMAGES_FROM_FEEDS', True) or "") != "1":
            self._create_config()
        else:
            self._create_custom_config()

        self.indexer = OpkgIndexer(self.d, self.deploy_dir)

    """
    This function will change a package's status in /var/lib/opkg/status file.
    If 'packages' is None then the new_status will be applied to all
    packages
    """
    def mark_packages(self, status_tag, packages=None):
        status_file = os.path.join(self.opkg_dir, "status")

        with open(status_file, "r") as sf:
            with open(status_file + ".tmp", "w+") as tmp_sf:
                if packages is None:
                    tmp_sf.write(re.sub(r"Package: (.*?)\n((?:[^\n]+\n)*?)Status: (.*)(?:unpacked|installed)",
                                        r"Package: \1\n\2Status: \3%s" % status_tag,
                                        sf.read()))
                else:
                    if type(packages).__name__ != "list":
                        raise TypeError("'packages' should be a list object")

                    status = sf.read()
                    for pkg in packages:
                        status = re.sub(r"Package: %s\n((?:[^\n]+\n)*?)Status: (.*)(?:unpacked|installed)" % pkg,
                                        r"Package: %s\n\1Status: \2%s" % (pkg, status_tag),
                                        status)

                    tmp_sf.write(status)

        os.rename(status_file + ".tmp", status_file)

    def _create_custom_config(self):
        bb.note("Building from feeds activated!")

        with open(self.config_file, "w+") as config_file:
            priority = 1
            for arch in self.pkg_archs.split():
                config_file.write("arch %s %d\n" % (arch, priority))
                priority += 5

            for line in (self.d.getVar('IPK_FEED_URIS', True) or "").split():
                feed_match = re.match("^[ \t]*(.*)##([^ \t]*)[ \t]*$", line)

                if feed_match is not None:
                    feed_name = feed_match.group(1)
                    feed_uri = feed_match.group(2)

                    bb.note("Add %s feed with URL %s" % (feed_name, feed_uri))

                    config_file.write("src/gz %s %s\n" % (feed_name, feed_uri))

            """
            Allow to use package deploy directory contents as quick devel-testing
            feed. This creates individual feed configs for each arch subdir of those
            specified as compatible for the current machine.
            NOTE: Development-helper feature, NOT a full-fledged feed.
            """
            if (self.d.getVar('FEED_DEPLOYDIR_BASE_URI', True) or "") != "":
                for arch in self.pkg_archs.split():
                    cfg_file_name = os.path.join(self.target_rootfs,
                                                 self.d.getVar("sysconfdir", True),
                                                 "opkg",
                                                 "local-%s-feed.conf" % arch)

                    with open(cfg_file_name, "w+") as cfg_file:
                        cfg_file.write("src/gz local-%s %s/%s" %
                                       arch,
                                       self.d.getVar('FEED_DEPLOYDIR_BASE_URI', True),
                                       arch)

    def _create_config(self):
        with open(self.config_file, "w+") as config_file:
            priority = 1
            for arch in self.pkg_archs.split():
                config_file.write("arch %s %d\n" % (arch, priority))
                priority += 5

            config_file.write("src oe file:%s\n" % self.deploy_dir)

            for arch in self.pkg_archs.split():
                pkgs_dir = os.path.join(self.deploy_dir, arch)
                if os.path.isdir(pkgs_dir):
                    config_file.write("src oe-%s file:%s\n" %
                                      (arch, pkgs_dir))

    def update(self):
        self.deploy_dir_lock()

        cmd = "%s %s update" % (self.opkg_cmd, self.opkg_args)

        try:
            subprocess.check_output(cmd.split())
        except subprocess.CalledProcessError as e:
            self.deploy_dir_unlock()
            bb.fatal("Unable to update the package index files. Command '%s' "
                     "returned %d:\n%s" % (cmd, e.returncode, e.output))

        self.deploy_dir_unlock()

    def install(self, pkgs, attempt_only=False):
        if attempt_only and len(pkgs) == 0:
            return

        cmd = "%s %s install %s" % (self.opkg_cmd, self.opkg_args, ' '.join(pkgs))

        os.environ['D'] = self.target_rootfs
        os.environ['OFFLINE_ROOT'] = self.target_rootfs
        os.environ['IPKG_OFFLINE_ROOT'] = self.target_rootfs
        os.environ['OPKG_OFFLINE_ROOT'] = self.target_rootfs
        os.environ['INTERCEPT_DIR'] = os.path.join(self.d.getVar('WORKDIR', True),
                                                   "intercept_scripts")
        os.environ['NATIVE_ROOT'] = self.d.getVar('STAGING_DIR_NATIVE', True)

        try:
            bb.note("Installing the following packages: %s" % ' '.join(pkgs))
            bb.note(cmd)
            output = subprocess.check_output(cmd.split())
            bb.note(output)
        except subprocess.CalledProcessError as e:
            (bb.fatal, bb.note)[attempt_only]("Unable to install packages. "
                                              "Command '%s' returned %d:\n%s" %
                                              (cmd, e.returncode, e.output))

    def remove(self, pkgs, with_dependencies=True):
        if with_dependencies:
            cmd = "%s %s --force-depends --force-remove --force-removal-of-dependent-packages remove %s" % \
                (self.opkg_cmd, self.opkg_args, ' '.join(pkgs))
        else:
            cmd = "%s %s --force-depends remove %s" % \
                (self.opkg_cmd, self.opkg_args, ' '.join(pkgs))

        try:
            bb.note(cmd)
            output = subprocess.check_output(cmd.split())
            bb.note(output)
        except subprocess.CalledProcessError as e:
            bb.fatal("Unable to remove packages. Command '%s' "
                     "returned %d:\n%s" % (e.cmd, e.returncode, e.output))

    def write_index(self):
        self.deploy_dir_lock()

        result = self.indexer.write_index()

        self.deploy_dir_unlock()

        if result is not None:
            bb.fatal(result)

    def remove_packaging_data(self):
        bb.utils.remove(self.opkg_dir, True)
        # create the directory back, it's needed by PM lock
        bb.utils.mkdirhier(self.opkg_dir)

    def list_installed(self, format=None):
        opkg_query_cmd = bb.utils.which(os.getenv('PATH'), "opkg-query-helper.py")

        if format == "arch":
            cmd = "%s %s status | %s -a" % \
                (self.opkg_cmd, self.opkg_args, opkg_query_cmd)
        elif format == "file":
            cmd = "%s %s status | %s -f" % \
                (self.opkg_cmd, self.opkg_args, opkg_query_cmd)
        elif format == "ver":
            cmd = "%s %s status | %s -v" % \
                (self.opkg_cmd, self.opkg_args, opkg_query_cmd)
        else:
            cmd = "%s %s list_installed | cut -d' ' -f1" % \
                (self.opkg_cmd, self.opkg_args)

        try:
            output = subprocess.check_output(cmd, shell=True).strip()
        except subprocess.CalledProcessError as e:
            bb.fatal("Cannot get the installed packages list. Command '%s' "
                     "returned %d:\n%s" % (cmd, e.returncode, e.output))

        if format == "file":
            tmp_output = ""
            for line in output.split('\n'):
                pkg, pkg_file, pkg_arch = line.split()
                full_path = os.path.join(self.deploy_dir, pkg_arch, pkg_file)
                if os.path.exists(full_path):
                    tmp_output += "%s %s %s\n" % (pkg, full_path, pkg_arch)
                else:
                    tmp_output += "%s %s %s\n" % (pkg, pkg_file, pkg_arch)

            output = tmp_output

        return output

    def handle_bad_recommendations(self):
        bad_recommendations = self.d.getVar("BAD_RECOMMENDATIONS", True) or ""
        if bad_recommendations.strip() == "":
            return

        status_file = os.path.join(self.opkg_dir, "status")

        # If status file existed, it means the bad recommendations has already
        # been handled
        if os.path.exists(status_file):
            return

        cmd = "%s %s info " % (self.opkg_cmd, self.opkg_args)

        with open(status_file, "w+") as status:
            for pkg in bad_recommendations.split():
                pkg_info = cmd + pkg

                try:
                    output = subprocess.check_output(pkg_info.split()).strip()
                except subprocess.CalledProcessError as e:
                    bb.fatal("Cannot get package info. Command '%s' "
                             "returned %d:\n%s" % (pkg_info, e.returncode, e.output))

                if output == "":
                    bb.note("Ignored bad recommendation: '%s' is "
                            "not a package" % pkg)
                    continue

                for line in output.split('\n'):
                    if line.startswith("Status:"):
                        status.write("Status: deinstall hold not-installed\n")
                    else:
                        status.write(line + "\n")

    '''
    The following function dummy installs pkgs and returns the log of output.
    '''
    def dummy_install(self, pkgs):
        if len(pkgs) == 0:
            return

        # Create an temp dir as opkg root for dummy installation
        temp_rootfs = self.d.expand('${T}/opkg')
        temp_opkg_dir = os.path.join(temp_rootfs, 'var/lib/opkg')
        bb.utils.mkdirhier(temp_opkg_dir)

        opkg_args = "-f %s -o %s " % (self.config_file, temp_rootfs)
        opkg_args += self.d.getVar("OPKG_ARGS", True)

        cmd = "%s %s update" % (self.opkg_cmd, opkg_args)
        try:
            subprocess.check_output(cmd, shell=True)
        except subprocess.CalledProcessError as e:
            bb.fatal("Unable to update. Command '%s' "
                     "returned %d:\n%s" % (cmd, e.returncode, e.output))

        # Dummy installation
        cmd = "%s %s --noaction install %s " % (self.opkg_cmd,
                                                opkg_args,
                                                ' '.join(pkgs))
        try:
            output = subprocess.check_output(cmd, shell=True)
        except subprocess.CalledProcessError as e:
            bb.fatal("Unable to dummy install packages. Command '%s' "
                     "returned %d:\n%s" % (cmd, e.returncode, e.output))

        bb.utils.remove(temp_rootfs, True)

        return output

    def backup_packaging_data(self):
        # Save the opkglib for increment ipk image generation
        if os.path.exists(self.saved_opkg_dir):
            bb.utils.remove(self.saved_opkg_dir, True)
        shutil.copytree(self.opkg_dir,
                        self.saved_opkg_dir,
                        symlinks=True)

    def recover_packaging_data(self):
        # Move the opkglib back
        if os.path.exists(self.saved_opkg_dir):
            if os.path.exists(self.opkg_dir):
                bb.utils.remove(self.opkg_dir, True)

            bb.note('Recover packaging data')
            shutil.copytree(self.saved_opkg_dir,
                            self.opkg_dir,
                            symlinks=True)


class DpkgPM(PackageManager):
    def __init__(self, d, target_rootfs, archs, base_archs, apt_conf_dir=None):
        super(DpkgPM, self).__init__(d)
        self.target_rootfs = target_rootfs
        self.deploy_dir = self.d.getVar('DEPLOY_DIR_DEB', True)
        if apt_conf_dir is None:
            self.apt_conf_dir = self.d.expand("${APTCONF_TARGET}/apt")
        else:
            self.apt_conf_dir = apt_conf_dir
        self.apt_conf_file = os.path.join(self.apt_conf_dir, "apt.conf")
        self.apt_get_cmd = bb.utils.which(os.getenv('PATH'), "apt-get")

        self.apt_args = d.getVar("APT_ARGS", True)

        self._create_configs(archs, base_archs)

        self.indexer = DpkgIndexer(self.d, self.deploy_dir)

    """
    This function will change a package's status in /var/lib/dpkg/status file.
    If 'packages' is None then the new_status will be applied to all
    packages
    """
    def mark_packages(self, status_tag, packages=None):
        status_file = self.target_rootfs + "/var/lib/dpkg/status"

        with open(status_file, "r") as sf:
            with open(status_file + ".tmp", "w+") as tmp_sf:
                if packages is None:
                    tmp_sf.write(re.sub(r"Package: (.*?)\n((?:[^\n]+\n)*?)Status: (.*)(?:unpacked|installed)",
                                        r"Package: \1\n\2Status: \3%s" % status_tag,
                                        sf.read()))
                else:
                    if type(packages).__name__ != "list":
                        raise TypeError("'packages' should be a list object")

                    status = sf.read()
                    for pkg in packages:
                        status = re.sub(r"Package: %s\n((?:[^\n]+\n)*?)Status: (.*)(?:unpacked|installed)" % pkg,
                                        r"Package: %s\n\1Status: \2%s" % (pkg, status_tag),
                                        status)

                    tmp_sf.write(status)

        os.rename(status_file + ".tmp", status_file)

    """
    Run the pre/post installs for package "package_name". If package_name is
    None, then run all pre/post install scriptlets.
    """
    def run_pre_post_installs(self, package_name=None):
        info_dir = self.target_rootfs + "/var/lib/dpkg/info"
        suffixes = [(".preinst", "Preinstall"), (".postinst", "Postinstall")]
        status_file = self.target_rootfs + "/var/lib/dpkg/status"
        installed_pkgs = []

        with open(status_file, "r") as status:
            for line in status.read().split('\n'):
                m = re.match("^Package: (.*)", line)
                if m is not None:
                    installed_pkgs.append(m.group(1))

        if package_name is not None and not package_name in installed_pkgs:
            return

        os.environ['D'] = self.target_rootfs
        os.environ['OFFLINE_ROOT'] = self.target_rootfs
        os.environ['IPKG_OFFLINE_ROOT'] = self.target_rootfs
        os.environ['OPKG_OFFLINE_ROOT'] = self.target_rootfs
        os.environ['INTERCEPT_DIR'] = os.path.join(self.d.getVar('WORKDIR', True),
                                                   "intercept_scripts")
        os.environ['NATIVE_ROOT'] = self.d.getVar('STAGING_DIR_NATIVE', True)

        failed_pkgs = []
        for pkg_name in installed_pkgs:
            for suffix in suffixes:
                p_full = os.path.join(info_dir, pkg_name + suffix[0])
                if os.path.exists(p_full):
                    try:
                        bb.note("Executing %s for package: %s ..." %
                                 (suffix[1].lower(), pkg_name))
                        subprocess.check_output(p_full)
                    except subprocess.CalledProcessError as e:
                        bb.note("%s for package %s failed with %d:\n%s" %
                                (suffix[1], pkg_name, e.returncode, e.output))
                        failed_pkgs.append(pkg_name)
                        break

        if len(failed_pkgs):
            self.mark_packages("unpacked", failed_pkgs)

    def update(self):
        os.environ['APT_CONFIG'] = self.apt_conf_file

        self.deploy_dir_lock()

        cmd = "%s update" % self.apt_get_cmd

        try:
            subprocess.check_output(cmd.split())
        except subprocess.CalledProcessError as e:
            bb.fatal("Unable to update the package index files. Command '%s' "
                     "returned %d:\n%s" % (e.cmd, e.returncode, e.output))

        self.deploy_dir_unlock()

    def install(self, pkgs, attempt_only=False):
        if attempt_only and len(pkgs) == 0:
            return

        os.environ['APT_CONFIG'] = self.apt_conf_file

        cmd = "%s %s install --force-yes --allow-unauthenticated %s" % \
              (self.apt_get_cmd, self.apt_args, ' '.join(pkgs))

        try:
            bb.note("Installing the following packages: %s" % ' '.join(pkgs))
            subprocess.check_output(cmd.split())
        except subprocess.CalledProcessError as e:
            (bb.fatal, bb.note)[attempt_only]("Unable to install packages. "
                                              "Command '%s' returned %d:\n%s" %
                                              (cmd, e.returncode, e.output))

        # rename *.dpkg-new files/dirs
        for root, dirs, files in os.walk(self.target_rootfs):
            for dir in dirs:
                new_dir = re.sub("\.dpkg-new", "", dir)
                if dir != new_dir:
                    os.rename(os.path.join(root, dir),
                              os.path.join(root, new_dir))

            for file in files:
                new_file = re.sub("\.dpkg-new", "", file)
                if file != new_file:
                    os.rename(os.path.join(root, file),
                              os.path.join(root, new_file))


    def remove(self, pkgs, with_dependencies=True):
        if with_dependencies:
            os.environ['APT_CONFIG'] = self.apt_conf_file
            cmd = "%s remove %s" % (self.apt_get_cmd, ' '.join(pkgs))
        else:
            cmd = "%s --admindir=%s/var/lib/dpkg --instdir=%s" \
                  " -r --force-depends %s" % \
                  (bb.utils.which(os.getenv('PATH'), "dpkg"),
                   self.target_rootfs, self.target_rootfs, ' '.join(pkgs))

        try:
            subprocess.check_output(cmd.split())
        except subprocess.CalledProcessError as e:
            bb.fatal("Unable to remove packages. Command '%s' "
                     "returned %d:\n%s" % (e.cmd, e.returncode, e.output))

    def write_index(self):
        self.deploy_dir_lock()

        result = self.indexer.write_index()

        self.deploy_dir_unlock()

        if result is not None:
            bb.fatal(result)

    def _create_configs(self, archs, base_archs):
        base_archs = re.sub("_", "-", base_archs)

        if os.path.exists(self.apt_conf_dir):
            bb.utils.remove(self.apt_conf_dir, True)

        bb.utils.mkdirhier(self.apt_conf_dir)

        arch_list = []
        for arch in archs.split():
            if not os.path.exists(os.path.join(self.deploy_dir, arch)):
                continue
            arch_list.append(arch)

        with open(os.path.join(self.apt_conf_dir, "preferences"), "w+") as prefs_file:
            priority = 801
            for arch in arch_list:
                prefs_file.write(
                    "Package: *\n"
                    "Pin: release l=%s\n"
                    "Pin-Priority: %d\n\n" % (arch, priority))

                priority += 5

            for pkg in self.d.getVar('PACKAGE_EXCLUDE', True).split():
                prefs_file.write(
                    "Package: %s\n"
                    "Pin: release *\n"
                    "Pin-Priority: -1\n\n" % pkg)

        arch_list.reverse()

        with open(os.path.join(self.apt_conf_dir, "sources.list"), "w+") as sources_file:
            for arch in arch_list:
                sources_file.write("deb file:%s/ ./\n" %
                                   os.path.join(self.deploy_dir, arch))

        with open(self.apt_conf_file, "w+") as apt_conf:
            with open(self.d.expand("${STAGING_ETCDIR_NATIVE}/apt/apt.conf.sample")) as apt_conf_sample:
                for line in apt_conf_sample.read().split("\n"):
                    line = re.sub("Architecture \".*\";",
                                  "Architecture \"%s\";" % base_archs, line)
                    line = re.sub("#ROOTFS#", self.target_rootfs, line)
                    line = re.sub("#APTCONF#", self.apt_conf_dir, line)

                    apt_conf.write(line + "\n")

        target_dpkg_dir = "%s/var/lib/dpkg" % self.target_rootfs
        bb.utils.mkdirhier(os.path.join(target_dpkg_dir, "info"))

        bb.utils.mkdirhier(os.path.join(target_dpkg_dir, "updates"))

        if not os.path.exists(os.path.join(target_dpkg_dir, "status")):
            open(os.path.join(target_dpkg_dir, "status"), "w+").close()
        if not os.path.exists(os.path.join(target_dpkg_dir, "available")):
            open(os.path.join(target_dpkg_dir, "available"), "w+").close()

    def remove_packaging_data(self):
        bb.utils.remove(os.path.join(self.target_rootfs,
                                     self.d.getVar('opkglibdir', True)), True)
        bb.utils.remove(self.target_rootfs + "/var/lib/dpkg/", True)

    def fix_broken_dependencies(self):
        os.environ['APT_CONFIG'] = self.apt_conf_file

        cmd = "%s %s -f install" % (self.apt_get_cmd, self.apt_args)

        try:
            subprocess.check_output(cmd.split())
        except subprocess.CalledProcessError as e:
            bb.fatal("Cannot fix broken dependencies. Command '%s' "
                     "returned %d:\n%s" % (cmd, e.returncode, e.output))

    def list_installed(self, format=None):
        cmd = [bb.utils.which(os.getenv('PATH'), "dpkg-query"),
               "--admindir=%s/var/lib/dpkg" % self.target_rootfs,
               "-W"]

        if format == "arch":
            cmd.append("-f=${Package} ${PackageArch}\n")
        elif format == "file":
            cmd.append("-f=${Package} ${Package}_${Version}_${Architecture}.deb ${PackageArch}\n")
        elif format == "ver":
            cmd.append("-f=${Package} ${PackageArch} ${Version}\n")
        else:
            cmd.append("-f=${Package}\n")

        try:
            output = subprocess.check_output(cmd).strip()
        except subprocess.CalledProcessError as e:
            bb.fatal("Cannot get the installed packages list. Command '%s' "
                     "returned %d:\n%s" % (' '.join(cmd), e.returncode, e.output))

        if format == "file":
            tmp_output = ""
            for line in tuple(output.split('\n')):
                pkg, pkg_file, pkg_arch = line.split()
                full_path = os.path.join(self.deploy_dir, pkg_arch, pkg_file)
                if os.path.exists(full_path):
                    tmp_output += "%s %s %s\n" % (pkg, full_path, pkg_arch)
                else:
                    tmp_output += "%s %s %s\n" % (pkg, pkg_file, pkg_arch)

            output = tmp_output

        return output


def generate_index_files(d):
    img_type = d.getVar('IMAGE_PKGTYPE', True)

    result = None

    if img_type == "rpm":
        result = RpmIndexer(d, d.getVar('DEPLOY_DIR_RPM', True)).write_index()
    elif img_type == "ipk":
        result = OpkgIndexer(d, d.getVar('DEPLOY_DIR_IPK', True)).write_index()
    elif img_type == "deb":
        result = DpkgIndexer(d, d.getVar('DEPLOY_DIR_DEB', True)).write_index()

    if result is not None:
        bb.fatal(result)

if __name__ == "__main__":
    """
    We should be able to run this as a standalone script, from outside bitbake
    environment.
    """
    """
    TBD
    """