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  • Committer: Jonathan Riddell
  • Date: 2011-09-14 16:31:57 UTC
  • mto: This revision was merged to the branch mainline in revision 6139.
  • Revision ID: jriddell@canonical.com-20110914163157-ee87lu1pqmq5b4r3
default _translations back to None so we can tell if it gets installed

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14
# along with this program; if not, write to the Free Software
15
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
16
16
 
17
 
from __future__ import absolute_import
18
 
 
19
17
import bz2
20
 
import zlib
21
18
 
22
19
from bzrlib import (
23
20
    bencode,
24
21
    branch,
25
22
    bzrdir as _mod_bzrdir,
26
 
    config as _mod_config,
 
23
    config,
27
24
    controldir,
28
25
    debug,
29
26
    errors,
30
 
    gpg,
31
27
    graph,
32
 
    inventory_delta,
33
28
    lock,
34
29
    lockdir,
35
 
    osutils,
36
 
    registry,
37
30
    repository as _mod_repository,
38
31
    revision as _mod_revision,
39
32
    static_tuple,
40
33
    symbol_versioning,
41
 
    testament as _mod_testament,
42
34
    urlutils,
43
35
    vf_repository,
44
 
    vf_search,
45
36
    )
46
37
from bzrlib.branch import BranchReferenceFormat, BranchWriteLockResult
47
38
from bzrlib.decorators import needs_read_lock, needs_write_lock, only_raises
49
40
    NoSuchRevision,
50
41
    SmartProtocolError,
51
42
    )
52
 
from bzrlib.i18n import gettext
53
 
from bzrlib.inventory import Inventory
54
43
from bzrlib.lockable_files import LockableFiles
55
44
from bzrlib.smart import client, vfs, repository as smart_repo
56
45
from bzrlib.smart.client import _SmartClient
57
46
from bzrlib.revision import NULL_REVISION
58
 
from bzrlib.revisiontree import InventoryRevisionTree
59
47
from bzrlib.repository import RepositoryWriteLockResult, _LazyListJoin
60
 
from bzrlib.serializer import format_registry as serializer_format_registry
61
 
from bzrlib.trace import mutter, note, warning, log_exception_quietly
62
 
from bzrlib.versionedfile import ChunkedContentFactory, FulltextContentFactory
 
48
from bzrlib.trace import mutter, note, warning
63
49
 
64
50
 
65
51
_DEFAULT_SEARCH_DEPTH = 100
127
113
 
128
114
    def get_format_description(self):
129
115
        if self._network_name:
130
 
            try:
131
 
                real_format = controldir.network_format_registry.get(
132
 
                        self._network_name)
133
 
            except KeyError:
134
 
                pass
135
 
            else:
136
 
                return 'Remote: ' + real_format.get_format_description()
 
116
            real_format = controldir.network_format_registry.get(self._network_name)
 
117
            return 'Remote: ' + real_format.get_format_description()
137
118
        return 'bzr remote bzrdir'
138
119
 
139
120
    def get_format_string(self):
349
330
        _mod_bzrdir.BzrDirMetaFormat1._set_repository_format) #.im_func)
350
331
 
351
332
 
352
 
class RemoteControlStore(_mod_config.IniFileStore):
353
 
    """Control store which attempts to use HPSS calls to retrieve control store.
354
 
 
355
 
    Note that this is specific to bzr-based formats.
356
 
    """
357
 
 
358
 
    def __init__(self, bzrdir):
359
 
        super(RemoteControlStore, self).__init__()
360
 
        self.bzrdir = bzrdir
361
 
        self._real_store = None
362
 
 
363
 
    def lock_write(self, token=None):
364
 
        self._ensure_real()
365
 
        return self._real_store.lock_write(token)
366
 
 
367
 
    def unlock(self):
368
 
        self._ensure_real()
369
 
        return self._real_store.unlock()
370
 
 
371
 
    @needs_write_lock
372
 
    def save(self):
373
 
        # We need to be able to override the undecorated implementation
374
 
        self.save_without_locking()
375
 
 
376
 
    def save_without_locking(self):
377
 
        super(RemoteControlStore, self).save()
378
 
 
379
 
    def _ensure_real(self):
380
 
        self.bzrdir._ensure_real()
381
 
        if self._real_store is None:
382
 
            self._real_store = _mod_config.ControlStore(self.bzrdir)
383
 
 
384
 
    def external_url(self):
385
 
        return self.bzrdir.user_url
386
 
 
387
 
    def _load_content(self):
388
 
        medium = self.bzrdir._client._medium
389
 
        path = self.bzrdir._path_for_remote_call(self.bzrdir._client)
390
 
        try:
391
 
            response, handler = self.bzrdir._call_expecting_body(
392
 
                'BzrDir.get_config_file', path)
393
 
        except errors.UnknownSmartMethod:
394
 
            self._ensure_real()
395
 
            return self._real_store._load_content()
396
 
        if len(response) and response[0] != 'ok':
397
 
            raise errors.UnexpectedSmartServerResponse(response)
398
 
        return handler.read_body_bytes()
399
 
 
400
 
    def _save_content(self, content):
401
 
        # FIXME JRV 2011-11-22: Ideally this should use a
402
 
        # HPSS call too, but at the moment it is not possible
403
 
        # to write lock control directories.
404
 
        self._ensure_real()
405
 
        return self._real_store._save_content(content)
406
 
 
407
 
 
408
333
class RemoteBzrDir(_mod_bzrdir.BzrDir, _RpcHelper):
409
334
    """Control directory on a remote server, accessed via bzr:// or similar."""
410
335
 
481
406
                warning('VFS BzrDir access triggered\n%s',
482
407
                    ''.join(traceback.format_stack()))
483
408
            self._real_bzrdir = _mod_bzrdir.BzrDir.open_from_transport(
484
 
                self.root_transport, probers=[_mod_bzrdir.BzrProber])
 
409
                self.root_transport, _server_formats=False)
485
410
            self._format._network_name = \
486
411
                self._real_bzrdir._format.network_name()
487
412
 
494
419
        self._next_open_branch_result = None
495
420
        return _mod_bzrdir.BzrDir.break_lock(self)
496
421
 
497
 
    def _vfs_checkout_metadir(self):
498
 
        self._ensure_real()
499
 
        return self._real_bzrdir.checkout_metadir()
500
 
 
501
 
    def checkout_metadir(self):
502
 
        """Retrieve the controldir format to use for checkouts of this one.
503
 
        """
504
 
        medium = self._client._medium
505
 
        if medium._is_remote_before((2, 5)):
506
 
            return self._vfs_checkout_metadir()
507
 
        path = self._path_for_remote_call(self._client)
508
 
        try:
509
 
            response = self._client.call('BzrDir.checkout_metadir',
510
 
                path)
511
 
        except errors.UnknownSmartMethod:
512
 
            medium._remember_remote_is_before((2, 5))
513
 
            return self._vfs_checkout_metadir()
514
 
        if len(response) != 3:
515
 
            raise errors.UnexpectedSmartServerResponse(response)
516
 
        control_name, repo_name, branch_name = response
517
 
        try:
518
 
            format = controldir.network_format_registry.get(control_name)
519
 
        except KeyError:
520
 
            raise errors.UnknownFormatError(kind='control',
521
 
                format=control_name)
522
 
        if repo_name:
523
 
            try:
524
 
                repo_format = _mod_repository.network_format_registry.get(
525
 
                    repo_name)
526
 
            except KeyError:
527
 
                raise errors.UnknownFormatError(kind='repository',
528
 
                    format=repo_name)
529
 
            format.repository_format = repo_format
530
 
        if branch_name:
531
 
            try:
532
 
                format.set_branch_format(
533
 
                    branch.network_format_registry.get(branch_name))
534
 
            except KeyError:
535
 
                raise errors.UnknownFormatError(kind='branch',
536
 
                    format=branch_name)
537
 
        return format
538
 
 
539
422
    def _vfs_cloning_metadir(self, require_stacking=False):
540
423
        self._ensure_real()
541
424
        return self._real_bzrdir.cloning_metadir(
571
454
        if len(branch_info) != 2:
572
455
            raise errors.UnexpectedSmartServerResponse(response)
573
456
        branch_ref, branch_name = branch_info
574
 
        try:
575
 
            format = controldir.network_format_registry.get(control_name)
576
 
        except KeyError:
577
 
            raise errors.UnknownFormatError(kind='control', format=control_name)
578
 
 
 
457
        format = controldir.network_format_registry.get(control_name)
579
458
        if repo_name:
580
 
            try:
581
 
                format.repository_format = _mod_repository.network_format_registry.get(
582
 
                    repo_name)
583
 
            except KeyError:
584
 
                raise errors.UnknownFormatError(kind='repository',
585
 
                    format=repo_name)
 
459
            format.repository_format = _mod_repository.network_format_registry.get(
 
460
                repo_name)
586
461
        if branch_ref == 'ref':
587
462
            # XXX: we need possible_transports here to avoid reopening the
588
463
            # connection to the referenced location
591
466
            format.set_branch_format(branch_format)
592
467
        elif branch_ref == 'branch':
593
468
            if branch_name:
594
 
                try:
595
 
                    branch_format = branch.network_format_registry.get(
596
 
                        branch_name)
597
 
                except KeyError:
598
 
                    raise errors.UnknownFormatError(kind='branch',
599
 
                        format=branch_name)
600
 
                format.set_branch_format(branch_format)
 
469
                format.set_branch_format(
 
470
                    branch.network_format_registry.get(branch_name))
601
471
        else:
602
472
            raise errors.UnexpectedSmartServerResponse(response)
603
473
        return format
613
483
 
614
484
    def destroy_repository(self):
615
485
        """See BzrDir.destroy_repository"""
616
 
        path = self._path_for_remote_call(self._client)
617
 
        try:
618
 
            response = self._call('BzrDir.destroy_repository', path)
619
 
        except errors.UnknownSmartMethod:
620
 
            self._ensure_real()
621
 
            self._real_bzrdir.destroy_repository()
622
 
            return
623
 
        if response[0] != 'ok':
624
 
            raise SmartProtocolError('unexpected response code %s' % (response,))
 
486
        self._ensure_real()
 
487
        self._real_bzrdir.destroy_repository()
625
488
 
626
489
    def create_branch(self, name=None, repository=None,
627
490
                      append_revisions_only=None):
649
512
 
650
513
    def destroy_branch(self, name=None):
651
514
        """See BzrDir.destroy_branch"""
652
 
        path = self._path_for_remote_call(self._client)
653
 
        try:
654
 
            if name is not None:
655
 
                args = (name, )
656
 
            else:
657
 
                args = ()
658
 
            response = self._call('BzrDir.destroy_branch', path, *args)
659
 
        except errors.UnknownSmartMethod:
660
 
            self._ensure_real()
661
 
            self._real_bzrdir.destroy_branch(name=name)
662
 
            self._next_open_branch_result = None
663
 
            return
 
515
        self._ensure_real()
 
516
        self._real_bzrdir.destroy_branch(name=name)
664
517
        self._next_open_branch_result = None
665
 
        if response[0] != 'ok':
666
 
            raise SmartProtocolError('unexpected response code %s' % (response,))
667
518
 
668
519
    def create_workingtree(self, revision_id=None, from_branch=None,
669
520
        accelerator_tree=None, hardlink=False):
723
574
        return None, self.open_branch(name=name)
724
575
 
725
576
    def open_branch(self, name=None, unsupported=False,
726
 
                    ignore_fallbacks=False, possible_transports=None):
 
577
                    ignore_fallbacks=False):
727
578
        if unsupported:
728
579
            raise NotImplementedError('unsupported flag support not implemented yet.')
729
580
        if self._next_open_branch_result is not None:
736
587
            # a branch reference, use the existing BranchReference logic.
737
588
            format = BranchReferenceFormat()
738
589
            return format.open(self, name=name, _found=True,
739
 
                location=response[1], ignore_fallbacks=ignore_fallbacks,
740
 
                possible_transports=possible_transports)
 
590
                location=response[1], ignore_fallbacks=ignore_fallbacks)
741
591
        branch_format_name = response[1]
742
592
        if not branch_format_name:
743
593
            branch_format_name = None
744
594
        format = RemoteBranchFormat(network_name=branch_format_name)
745
595
        return RemoteBranch(self, self.find_repository(), format=format,
746
 
            setup_stacking=not ignore_fallbacks, name=name,
747
 
            possible_transports=possible_transports)
 
596
            setup_stacking=not ignore_fallbacks, name=name)
748
597
 
749
598
    def _open_repo_v1(self, path):
750
599
        verb = 'BzrDir.find_repository'
813
662
 
814
663
    def has_workingtree(self):
815
664
        if self._has_working_tree is None:
816
 
            path = self._path_for_remote_call(self._client)
817
 
            try:
818
 
                response = self._call('BzrDir.has_workingtree', path)
819
 
            except errors.UnknownSmartMethod:
820
 
                self._ensure_real()
821
 
                self._has_working_tree = self._real_bzrdir.has_workingtree()
822
 
            else:
823
 
                if response[0] not in ('yes', 'no'):
824
 
                    raise SmartProtocolError('unexpected response code %s' % (response,))
825
 
                self._has_working_tree = (response[0] == 'yes')
 
665
            self._ensure_real()
 
666
            self._has_working_tree = self._real_bzrdir.has_workingtree()
826
667
        return self._has_working_tree
827
668
 
828
669
    def open_workingtree(self, recommend_upgrade=True):
856
697
        """Upgrading of remote bzrdirs is not supported yet."""
857
698
        return False
858
699
 
 
700
    def clone(self, url, revision_id=None, force_new_repo=False,
 
701
              preserve_stacking=False):
 
702
        self._ensure_real()
 
703
        return self._real_bzrdir.clone(url, revision_id=revision_id,
 
704
            force_new_repo=force_new_repo, preserve_stacking=preserve_stacking)
 
705
 
859
706
    def _get_config(self):
860
707
        return RemoteBzrDirConfig(self)
861
708
 
862
 
    def _get_config_store(self):
863
 
        return RemoteControlStore(self)
864
 
 
865
709
 
866
710
class RemoteRepositoryFormat(vf_repository.VersionedFileRepositoryFormat):
867
711
    """Format for repositories accessed over a _SmartClient.
897
741
        self._supports_external_lookups = None
898
742
        self._supports_tree_reference = None
899
743
        self._supports_funky_characters = None
900
 
        self._supports_nesting_repositories = None
901
744
        self._rich_root_data = None
902
745
 
903
746
    def __repr__(self):
940
783
        return self._supports_funky_characters
941
784
 
942
785
    @property
943
 
    def supports_nesting_repositories(self):
944
 
        if self._supports_nesting_repositories is None:
945
 
            self._ensure_real()
946
 
            self._supports_nesting_repositories = \
947
 
                self._custom_format.supports_nesting_repositories
948
 
        return self._supports_nesting_repositories
949
 
 
950
 
    @property
951
786
    def supports_tree_reference(self):
952
787
        if self._supports_tree_reference is None:
953
788
            self._ensure_real()
1035
870
 
1036
871
    def _ensure_real(self):
1037
872
        if self._custom_format is None:
1038
 
            try:
1039
 
                self._custom_format = _mod_repository.network_format_registry.get(
1040
 
                    self._network_name)
1041
 
            except KeyError:
1042
 
                raise errors.UnknownFormatError(kind='repository',
1043
 
                    format=self._network_name)
 
873
            self._custom_format = _mod_repository.network_format_registry.get(
 
874
                self._network_name)
1044
875
 
1045
876
    @property
1046
877
    def _fetch_order(self):
1081
912
        return self._custom_format._serializer
1082
913
 
1083
914
 
1084
 
class RemoteRepository(_mod_repository.Repository, _RpcHelper,
1085
 
        lock._RelockDebugMixin):
 
915
class RemoteRepository(_RpcHelper, lock._RelockDebugMixin,
 
916
    controldir.ControlComponent):
1086
917
    """Repository accessed over rpc.
1087
918
 
1088
919
    For the moment most operations are performed using local transport-backed
1112
943
        self._format = format
1113
944
        self._lock_mode = None
1114
945
        self._lock_token = None
1115
 
        self._write_group_tokens = None
1116
946
        self._lock_count = 0
1117
947
        self._leave_lock = False
1118
948
        # Cache of revision parents; misses are cached during read locks, and
1158
988
 
1159
989
        :param suppress_errors: see Repository.abort_write_group.
1160
990
        """
1161
 
        if self._real_repository:
1162
 
            self._ensure_real()
1163
 
            return self._real_repository.abort_write_group(
1164
 
                suppress_errors=suppress_errors)
1165
 
        if not self.is_in_write_group():
1166
 
            if suppress_errors:
1167
 
                mutter('(suppressed) not in write group')
1168
 
                return
1169
 
            raise errors.BzrError("not in write group")
1170
 
        path = self.bzrdir._path_for_remote_call(self._client)
1171
 
        try:
1172
 
            response = self._call('Repository.abort_write_group', path,
1173
 
                self._lock_token, self._write_group_tokens)
1174
 
        except Exception, exc:
1175
 
            self._write_group = None
1176
 
            if not suppress_errors:
1177
 
                raise
1178
 
            mutter('abort_write_group failed')
1179
 
            log_exception_quietly()
1180
 
            note(gettext('bzr: ERROR (ignored): %s'), exc)
1181
 
        else:
1182
 
            if response != ('ok', ):
1183
 
                raise errors.UnexpectedSmartServerResponse(response)
1184
 
            self._write_group_tokens = None
 
991
        self._ensure_real()
 
992
        return self._real_repository.abort_write_group(
 
993
            suppress_errors=suppress_errors)
1185
994
 
1186
995
    @property
1187
996
    def chk_bytes(self):
1201
1010
        for older plugins that don't use e.g. the CommitBuilder
1202
1011
        facility.
1203
1012
        """
1204
 
        if self._real_repository:
1205
 
            self._ensure_real()
1206
 
            return self._real_repository.commit_write_group()
1207
 
        if not self.is_in_write_group():
1208
 
            raise errors.BzrError("not in write group")
1209
 
        path = self.bzrdir._path_for_remote_call(self._client)
1210
 
        response = self._call('Repository.commit_write_group', path,
1211
 
            self._lock_token, self._write_group_tokens)
1212
 
        if response != ('ok', ):
1213
 
            raise errors.UnexpectedSmartServerResponse(response)
1214
 
        self._write_group_tokens = None
1215
 
        # Refresh data after writing to the repository.
1216
 
        self.refresh_data()
 
1013
        self._ensure_real()
 
1014
        return self._real_repository.commit_write_group()
1217
1015
 
1218
1016
    def resume_write_group(self, tokens):
1219
 
        if self._real_repository:
1220
 
            return self._real_repository.resume_write_group(tokens)
1221
 
        path = self.bzrdir._path_for_remote_call(self._client)
1222
 
        try:
1223
 
            response = self._call('Repository.check_write_group', path,
1224
 
               self._lock_token, tokens)
1225
 
        except errors.UnknownSmartMethod:
1226
 
            self._ensure_real()
1227
 
            return self._real_repository.resume_write_group(tokens)
1228
 
        if response != ('ok', ):
1229
 
            raise errors.UnexpectedSmartServerResponse(response)
1230
 
        self._write_group_tokens = tokens
 
1017
        self._ensure_real()
 
1018
        return self._real_repository.resume_write_group(tokens)
1231
1019
 
1232
1020
    def suspend_write_group(self):
1233
 
        if self._real_repository:
1234
 
            return self._real_repository.suspend_write_group()
1235
 
        ret = self._write_group_tokens or []
1236
 
        self._write_group_tokens = None
1237
 
        return ret
 
1021
        self._ensure_real()
 
1022
        return self._real_repository.suspend_write_group()
1238
1023
 
1239
1024
    def get_missing_parent_inventories(self, check_for_missing_texts=True):
1240
1025
        self._ensure_real()
1450
1235
 
1451
1236
    def get_physical_lock_status(self):
1452
1237
        """See Repository.get_physical_lock_status()."""
1453
 
        path = self.bzrdir._path_for_remote_call(self._client)
1454
 
        try:
1455
 
            response = self._call('Repository.get_physical_lock_status', path)
1456
 
        except errors.UnknownSmartMethod:
1457
 
            self._ensure_real()
1458
 
            return self._real_repository.get_physical_lock_status()
1459
 
        if response[0] not in ('yes', 'no'):
1460
 
            raise errors.UnexpectedSmartServerResponse(response)
1461
 
        return (response[0] == 'yes')
 
1238
        # should be an API call to the server.
 
1239
        self._ensure_real()
 
1240
        return self._real_repository.get_physical_lock_status()
1462
1241
 
1463
1242
    def is_in_write_group(self):
1464
1243
        """Return True if there is an open write group.
1465
1244
 
1466
1245
        write groups are only applicable locally for the smart server..
1467
1246
        """
1468
 
        if self._write_group_tokens is not None:
1469
 
            return True
1470
1247
        if self._real_repository:
1471
1248
            return self._real_repository.is_in_write_group()
1472
1249
 
1607
1384
            self._real_repository.lock_write(self._lock_token)
1608
1385
        elif self._lock_mode == 'r':
1609
1386
            self._real_repository.lock_read()
1610
 
        if self._write_group_tokens is not None:
1611
 
            # if we are already in a write group, resume it
1612
 
            self._real_repository.resume_write_group(self._write_group_tokens)
1613
 
            self._write_group_tokens = None
1614
1387
 
1615
1388
    def start_write_group(self):
1616
1389
        """Start a write group on the decorated repository.
1620
1393
        for older plugins that don't use e.g. the CommitBuilder
1621
1394
        facility.
1622
1395
        """
1623
 
        if self._real_repository:
1624
 
            self._ensure_real()
1625
 
            return self._real_repository.start_write_group()
1626
 
        if not self.is_write_locked():
1627
 
            raise errors.NotWriteLocked(self)
1628
 
        if self._write_group_tokens is not None:
1629
 
            raise errors.BzrError('already in a write group')
1630
 
        path = self.bzrdir._path_for_remote_call(self._client)
1631
 
        try:
1632
 
            response = self._call('Repository.start_write_group', path,
1633
 
                self._lock_token)
1634
 
        except (errors.UnknownSmartMethod, errors.UnsuspendableWriteGroup):
1635
 
            self._ensure_real()
1636
 
            return self._real_repository.start_write_group()
1637
 
        if response[0] != 'ok':
1638
 
            raise errors.UnexpectedSmartServerResponse(response)
1639
 
        self._write_group_tokens = response[1]
 
1396
        self._ensure_real()
 
1397
        return self._real_repository.start_write_group()
1640
1398
 
1641
1399
    def _unlock(self, token):
1642
1400
        path = self.bzrdir._path_for_remote_call(self._client)
1669
1427
            # This is just to let the _real_repository stay up to date.
1670
1428
            if self._real_repository is not None:
1671
1429
                self._real_repository.unlock()
1672
 
            elif self._write_group_tokens is not None:
1673
 
                self.abort_write_group()
1674
1430
        finally:
1675
1431
            # The rpc-level lock should be released even if there was a
1676
1432
            # problem releasing the vfs-based lock.
1688
1444
 
1689
1445
    def break_lock(self):
1690
1446
        # should hand off to the network
1691
 
        path = self.bzrdir._path_for_remote_call(self._client)
1692
 
        try:
1693
 
            response = self._call("Repository.break_lock", path)
1694
 
        except errors.UnknownSmartMethod:
1695
 
            self._ensure_real()
1696
 
            return self._real_repository.break_lock()
1697
 
        if response != ('ok',):
1698
 
            raise errors.UnexpectedSmartServerResponse(response)
 
1447
        self._ensure_real()
 
1448
        return self._real_repository.break_lock()
1699
1449
 
1700
1450
    def _get_tarball(self, compression):
1701
1451
        """Return a TemporaryFile containing a repository tarball.
1719
1469
            return t
1720
1470
        raise errors.UnexpectedSmartServerResponse(response)
1721
1471
 
1722
 
    @needs_read_lock
1723
1472
    def sprout(self, to_bzrdir, revision_id=None):
1724
 
        """Create a descendent repository for new development.
1725
 
 
1726
 
        Unlike clone, this does not copy the settings of the repository.
1727
 
        """
1728
 
        dest_repo = self._create_sprouting_repo(to_bzrdir, shared=False)
 
1473
        # TODO: Option to control what format is created?
 
1474
        self._ensure_real()
 
1475
        dest_repo = self._real_repository._format.initialize(to_bzrdir,
 
1476
                                                             shared=False)
1729
1477
        dest_repo.fetch(self, revision_id=revision_id)
1730
1478
        return dest_repo
1731
1479
 
1732
 
    def _create_sprouting_repo(self, a_bzrdir, shared):
1733
 
        if not isinstance(a_bzrdir._format, self.bzrdir._format.__class__):
1734
 
            # use target default format.
1735
 
            dest_repo = a_bzrdir.create_repository()
1736
 
        else:
1737
 
            # Most control formats need the repository to be specifically
1738
 
            # created, but on some old all-in-one formats it's not needed
1739
 
            try:
1740
 
                dest_repo = self._format.initialize(a_bzrdir, shared=shared)
1741
 
            except errors.UninitializableFormat:
1742
 
                dest_repo = a_bzrdir.open_repository()
1743
 
        return dest_repo
1744
 
 
1745
1480
    ### These methods are just thin shims to the VFS object for now.
1746
1481
 
1747
 
    @needs_read_lock
1748
1482
    def revision_tree(self, revision_id):
1749
 
        revision_id = _mod_revision.ensure_null(revision_id)
1750
 
        if revision_id == _mod_revision.NULL_REVISION:
1751
 
            return InventoryRevisionTree(self,
1752
 
                Inventory(root_id=None), _mod_revision.NULL_REVISION)
1753
 
        else:
1754
 
            return list(self.revision_trees([revision_id]))[0]
 
1483
        self._ensure_real()
 
1484
        return self._real_repository.revision_tree(revision_id)
1755
1485
 
1756
1486
    def get_serializer_format(self):
1757
 
        path = self.bzrdir._path_for_remote_call(self._client)
1758
 
        try:
1759
 
            response = self._call('VersionedFileRepository.get_serializer_format',
1760
 
                path)
1761
 
        except errors.UnknownSmartMethod:
1762
 
            self._ensure_real()
1763
 
            return self._real_repository.get_serializer_format()
1764
 
        if response[0] != 'ok':
1765
 
            raise errors.UnexpectedSmartServerResponse(response)
1766
 
        return response[1]
 
1487
        self._ensure_real()
 
1488
        return self._real_repository.get_serializer_format()
1767
1489
 
1768
1490
    def get_commit_builder(self, branch, parents, config, timestamp=None,
1769
1491
                           timezone=None, committer=None, revprops=None,
1770
1492
                           revision_id=None, lossy=False):
1771
 
        """Obtain a CommitBuilder for this repository.
1772
 
 
1773
 
        :param branch: Branch to commit to.
1774
 
        :param parents: Revision ids of the parents of the new revision.
1775
 
        :param config: Configuration to use.
1776
 
        :param timestamp: Optional timestamp recorded for commit.
1777
 
        :param timezone: Optional timezone for timestamp.
1778
 
        :param committer: Optional committer to set for commit.
1779
 
        :param revprops: Optional dictionary of revision properties.
1780
 
        :param revision_id: Optional revision id.
1781
 
        :param lossy: Whether to discard data that can not be natively
1782
 
            represented, when pushing to a foreign VCS
1783
 
        """
1784
 
        if self._fallback_repositories and not self._format.supports_chks:
1785
 
            raise errors.BzrError("Cannot commit directly to a stacked branch"
1786
 
                " in pre-2a formats. See "
1787
 
                "https://bugs.launchpad.net/bzr/+bug/375013 for details.")
1788
 
        if self._format.rich_root_data:
1789
 
            commit_builder_kls = vf_repository.VersionedFileRootCommitBuilder
1790
 
        else:
1791
 
            commit_builder_kls = vf_repository.VersionedFileCommitBuilder
1792
 
        result = commit_builder_kls(self, parents, config,
1793
 
            timestamp, timezone, committer, revprops, revision_id,
1794
 
            lossy)
1795
 
        self.start_write_group()
1796
 
        return result
 
1493
        # FIXME: It ought to be possible to call this without immediately
 
1494
        # triggering _ensure_real.  For now it's the easiest thing to do.
 
1495
        self._ensure_real()
 
1496
        real_repo = self._real_repository
 
1497
        builder = real_repo.get_commit_builder(branch, parents,
 
1498
                config, timestamp=timestamp, timezone=timezone,
 
1499
                committer=committer, revprops=revprops,
 
1500
                revision_id=revision_id, lossy=lossy)
 
1501
        return builder
1797
1502
 
1798
1503
    def add_fallback_repository(self, repository):
1799
1504
        """Add a repository to use for looking up data not held locally.
1844
1549
            delta, new_revision_id, parents, basis_inv=basis_inv,
1845
1550
            propagate_caches=propagate_caches)
1846
1551
 
1847
 
    def add_revision(self, revision_id, rev, inv=None):
1848
 
        _mod_revision.check_not_reserved_id(revision_id)
1849
 
        key = (revision_id,)
1850
 
        # check inventory present
1851
 
        if not self.inventories.get_parent_map([key]):
1852
 
            if inv is None:
1853
 
                raise errors.WeaveRevisionNotPresent(revision_id,
1854
 
                                                     self.inventories)
1855
 
            else:
1856
 
                # yes, this is not suitable for adding with ghosts.
1857
 
                rev.inventory_sha1 = self.add_inventory(revision_id, inv,
1858
 
                                                        rev.parent_ids)
1859
 
        else:
1860
 
            rev.inventory_sha1 = self.inventories.get_sha1s([key])[key]
1861
 
        self._add_revision(rev)
1862
 
 
1863
 
    def _add_revision(self, rev):
1864
 
        if self._real_repository is not None:
1865
 
            return self._real_repository._add_revision(rev)
1866
 
        text = self._serializer.write_revision_to_string(rev)
1867
 
        key = (rev.revision_id,)
1868
 
        parents = tuple((parent,) for parent in rev.parent_ids)
1869
 
        self._write_group_tokens, missing_keys = self._get_sink().insert_stream(
1870
 
            [('revisions', [FulltextContentFactory(key, parents, None, text)])],
1871
 
            self._format, self._write_group_tokens)
 
1552
    def add_revision(self, rev_id, rev, inv=None, config=None):
 
1553
        self._ensure_real()
 
1554
        return self._real_repository.add_revision(
 
1555
            rev_id, rev, inv=inv, config=config)
1872
1556
 
1873
1557
    @needs_read_lock
1874
1558
    def get_inventory(self, revision_id):
1875
 
        return list(self.iter_inventories([revision_id]))[0]
1876
 
 
1877
 
    def _iter_inventories_rpc(self, revision_ids, ordering):
1878
 
        if ordering is None:
1879
 
            ordering = 'unordered'
1880
 
        path = self.bzrdir._path_for_remote_call(self._client)
1881
 
        body = "\n".join(revision_ids)
1882
 
        response_tuple, response_handler = (
1883
 
            self._call_with_body_bytes_expecting_body(
1884
 
                "VersionedFileRepository.get_inventories",
1885
 
                (path, ordering), body))
1886
 
        if response_tuple[0] != "ok":
1887
 
            raise errors.UnexpectedSmartServerResponse(response_tuple)
1888
 
        deserializer = inventory_delta.InventoryDeltaDeserializer()
1889
 
        byte_stream = response_handler.read_streamed_body()
1890
 
        decoded = smart_repo._byte_stream_to_stream(byte_stream)
1891
 
        if decoded is None:
1892
 
            # no results whatsoever
1893
 
            return
1894
 
        src_format, stream = decoded
1895
 
        if src_format.network_name() != self._format.network_name():
1896
 
            raise AssertionError(
1897
 
                "Mismatched RemoteRepository and stream src %r, %r" % (
1898
 
                src_format.network_name(), self._format.network_name()))
1899
 
        # ignore the src format, it's not really relevant
1900
 
        prev_inv = Inventory(root_id=None,
1901
 
            revision_id=_mod_revision.NULL_REVISION)
1902
 
        # there should be just one substream, with inventory deltas
1903
 
        substream_kind, substream = stream.next()
1904
 
        if substream_kind != "inventory-deltas":
1905
 
            raise AssertionError(
1906
 
                 "Unexpected stream %r received" % substream_kind)
1907
 
        for record in substream:
1908
 
            (parent_id, new_id, versioned_root, tree_references, invdelta) = (
1909
 
                deserializer.parse_text_bytes(record.get_bytes_as("fulltext")))
1910
 
            if parent_id != prev_inv.revision_id:
1911
 
                raise AssertionError("invalid base %r != %r" % (parent_id,
1912
 
                    prev_inv.revision_id))
1913
 
            inv = prev_inv.create_by_apply_delta(invdelta, new_id)
1914
 
            yield inv, inv.revision_id
1915
 
            prev_inv = inv
1916
 
 
1917
 
    def _iter_inventories_vfs(self, revision_ids, ordering=None):
1918
1559
        self._ensure_real()
1919
 
        return self._real_repository._iter_inventories(revision_ids, ordering)
 
1560
        return self._real_repository.get_inventory(revision_id)
1920
1561
 
1921
1562
    def iter_inventories(self, revision_ids, ordering=None):
1922
 
        """Get many inventories by revision_ids.
1923
 
 
1924
 
        This will buffer some or all of the texts used in constructing the
1925
 
        inventories in memory, but will only parse a single inventory at a
1926
 
        time.
1927
 
 
1928
 
        :param revision_ids: The expected revision ids of the inventories.
1929
 
        :param ordering: optional ordering, e.g. 'topological'.  If not
1930
 
            specified, the order of revision_ids will be preserved (by
1931
 
            buffering if necessary).
1932
 
        :return: An iterator of inventories.
1933
 
        """
1934
 
        if ((None in revision_ids)
1935
 
            or (_mod_revision.NULL_REVISION in revision_ids)):
1936
 
            raise ValueError('cannot get null revision inventory')
1937
 
        for inv, revid in self._iter_inventories(revision_ids, ordering):
1938
 
            if inv is None:
1939
 
                raise errors.NoSuchRevision(self, revid)
1940
 
            yield inv
1941
 
 
1942
 
    def _iter_inventories(self, revision_ids, ordering=None):
1943
 
        if len(revision_ids) == 0:
1944
 
            return
1945
 
        missing = set(revision_ids)
1946
 
        if ordering is None:
1947
 
            order_as_requested = True
1948
 
            invs = {}
1949
 
            order = list(revision_ids)
1950
 
            order.reverse()
1951
 
            next_revid = order.pop()
1952
 
        else:
1953
 
            order_as_requested = False
1954
 
            if ordering != 'unordered' and self._fallback_repositories:
1955
 
                raise ValueError('unsupported ordering %r' % ordering)
1956
 
        iter_inv_fns = [self._iter_inventories_rpc] + [
1957
 
            fallback._iter_inventories for fallback in
1958
 
            self._fallback_repositories]
1959
 
        try:
1960
 
            for iter_inv in iter_inv_fns:
1961
 
                request = [revid for revid in revision_ids if revid in missing]
1962
 
                for inv, revid in iter_inv(request, ordering):
1963
 
                    if inv is None:
1964
 
                        continue
1965
 
                    missing.remove(inv.revision_id)
1966
 
                    if ordering != 'unordered':
1967
 
                        invs[revid] = inv
1968
 
                    else:
1969
 
                        yield inv, revid
1970
 
                if order_as_requested:
1971
 
                    # Yield as many results as we can while preserving order.
1972
 
                    while next_revid in invs:
1973
 
                        inv = invs.pop(next_revid)
1974
 
                        yield inv, inv.revision_id
1975
 
                        try:
1976
 
                            next_revid = order.pop()
1977
 
                        except IndexError:
1978
 
                            # We still want to fully consume the stream, just
1979
 
                            # in case it is not actually finished at this point
1980
 
                            next_revid = None
1981
 
                            break
1982
 
        except errors.UnknownSmartMethod:
1983
 
            for inv, revid in self._iter_inventories_vfs(revision_ids, ordering):
1984
 
                yield inv, revid
1985
 
            return
1986
 
        # Report missing
1987
 
        if order_as_requested:
1988
 
            if next_revid is not None:
1989
 
                yield None, next_revid
1990
 
            while order:
1991
 
                revid = order.pop()
1992
 
                yield invs.get(revid), revid
1993
 
        else:
1994
 
            while missing:
1995
 
                yield None, missing.pop()
 
1563
        self._ensure_real()
 
1564
        return self._real_repository.iter_inventories(revision_ids, ordering)
1996
1565
 
1997
1566
    @needs_read_lock
1998
1567
    def get_revision(self, revision_id):
1999
 
        return self.get_revisions([revision_id])[0]
 
1568
        self._ensure_real()
 
1569
        return self._real_repository.get_revision(revision_id)
2000
1570
 
2001
1571
    def get_transaction(self):
2002
1572
        self._ensure_real()
2004
1574
 
2005
1575
    @needs_read_lock
2006
1576
    def clone(self, a_bzrdir, revision_id=None):
2007
 
        dest_repo = self._create_sprouting_repo(
2008
 
            a_bzrdir, shared=self.is_shared())
2009
 
        self.copy_content_into(dest_repo, revision_id)
2010
 
        return dest_repo
 
1577
        self._ensure_real()
 
1578
        return self._real_repository.clone(a_bzrdir, revision_id=revision_id)
2011
1579
 
2012
1580
    def make_working_trees(self):
2013
1581
        """See Repository.make_working_trees"""
2014
 
        path = self.bzrdir._path_for_remote_call(self._client)
2015
 
        try:
2016
 
            response = self._call('Repository.make_working_trees', path)
2017
 
        except errors.UnknownSmartMethod:
2018
 
            self._ensure_real()
2019
 
            return self._real_repository.make_working_trees()
2020
 
        if response[0] not in ('yes', 'no'):
2021
 
            raise SmartProtocolError('unexpected response code %s' % (response,))
2022
 
        return response[0] == 'yes'
 
1582
        self._ensure_real()
 
1583
        return self._real_repository.make_working_trees()
2023
1584
 
2024
1585
    def refresh_data(self):
2025
1586
        """Re-read any data needed to synchronise with disk.
2034
1595
        """
2035
1596
        if self._real_repository is not None:
2036
1597
            self._real_repository.refresh_data()
2037
 
        # Refresh the parents cache for this object
2038
 
        self._unstacked_provider.disable_cache()
2039
 
        self._unstacked_provider.enable_cache()
2040
1598
 
2041
1599
    def revision_ids_to_search_result(self, result_set):
2042
1600
        """Convert a set of revision ids to a graph SearchResult."""
2047
1605
        included_keys = result_set.intersection(result_parents)
2048
1606
        start_keys = result_set.difference(included_keys)
2049
1607
        exclude_keys = result_parents.difference(result_set)
2050
 
        result = vf_search.SearchResult(start_keys, exclude_keys,
 
1608
        result = graph.SearchResult(start_keys, exclude_keys,
2051
1609
            len(result_set), result_set)
2052
1610
        return result
2053
1611
 
2101
1659
        # the InterRepository base class, which raises an
2102
1660
        # IncompatibleRepositories when asked to fetch.
2103
1661
        inter = _mod_repository.InterRepository.get(source, self)
2104
 
        if (fetch_spec is not None and
2105
 
            not getattr(inter, "supports_fetch_spec", False)):
2106
 
            raise errors.UnsupportedOperation(
2107
 
                "fetch_spec not supported for %r" % inter)
2108
1662
        return inter.fetch(revision_id=revision_id,
2109
1663
            find_ghosts=find_ghosts, fetch_spec=fetch_spec)
2110
1664
 
2128
1682
        return self._real_repository._get_versioned_file_checker(
2129
1683
            revisions, revision_versions_cache)
2130
1684
 
2131
 
    def _iter_files_bytes_rpc(self, desired_files, absent):
2132
 
        path = self.bzrdir._path_for_remote_call(self._client)
2133
 
        lines = []
2134
 
        identifiers = []
2135
 
        for (file_id, revid, identifier) in desired_files:
2136
 
            lines.append("%s\0%s" % (
2137
 
                osutils.safe_file_id(file_id),
2138
 
                osutils.safe_revision_id(revid)))
2139
 
            identifiers.append(identifier)
2140
 
        (response_tuple, response_handler) = (
2141
 
            self._call_with_body_bytes_expecting_body(
2142
 
            "Repository.iter_files_bytes", (path, ), "\n".join(lines)))
2143
 
        if response_tuple != ('ok', ):
2144
 
            response_handler.cancel_read_body()
2145
 
            raise errors.UnexpectedSmartServerResponse(response_tuple)
2146
 
        byte_stream = response_handler.read_streamed_body()
2147
 
        def decompress_stream(start, byte_stream, unused):
2148
 
            decompressor = zlib.decompressobj()
2149
 
            yield decompressor.decompress(start)
2150
 
            while decompressor.unused_data == "":
2151
 
                try:
2152
 
                    data = byte_stream.next()
2153
 
                except StopIteration:
2154
 
                    break
2155
 
                yield decompressor.decompress(data)
2156
 
            yield decompressor.flush()
2157
 
            unused.append(decompressor.unused_data)
2158
 
        unused = ""
2159
 
        while True:
2160
 
            while not "\n" in unused:
2161
 
                unused += byte_stream.next()
2162
 
            header, rest = unused.split("\n", 1)
2163
 
            args = header.split("\0")
2164
 
            if args[0] == "absent":
2165
 
                absent[identifiers[int(args[3])]] = (args[1], args[2])
2166
 
                unused = rest
2167
 
                continue
2168
 
            elif args[0] == "ok":
2169
 
                idx = int(args[1])
2170
 
            else:
2171
 
                raise errors.UnexpectedSmartServerResponse(args)
2172
 
            unused_chunks = []
2173
 
            yield (identifiers[idx],
2174
 
                decompress_stream(rest, byte_stream, unused_chunks))
2175
 
            unused = "".join(unused_chunks)
2176
 
 
2177
1685
    def iter_files_bytes(self, desired_files):
2178
1686
        """See Repository.iter_file_bytes.
2179
1687
        """
2180
 
        try:
2181
 
            absent = {}
2182
 
            for (identifier, bytes_iterator) in self._iter_files_bytes_rpc(
2183
 
                    desired_files, absent):
2184
 
                yield identifier, bytes_iterator
2185
 
            for fallback in self._fallback_repositories:
2186
 
                if not absent:
2187
 
                    break
2188
 
                desired_files = [(key[0], key[1], identifier) for
2189
 
                    (identifier, key) in absent.iteritems()]
2190
 
                for (identifier, bytes_iterator) in fallback.iter_files_bytes(desired_files):
2191
 
                    del absent[identifier]
2192
 
                    yield identifier, bytes_iterator
2193
 
            if absent:
2194
 
                # There may be more missing items, but raise an exception
2195
 
                # for just one.
2196
 
                missing_identifier = absent.keys()[0]
2197
 
                missing_key = absent[missing_identifier]
2198
 
                raise errors.RevisionNotPresent(revision_id=missing_key[1],
2199
 
                    file_id=missing_key[0])
2200
 
        except errors.UnknownSmartMethod:
2201
 
            self._ensure_real()
2202
 
            for (identifier, bytes_iterator) in (
2203
 
                self._real_repository.iter_files_bytes(desired_files)):
2204
 
                yield identifier, bytes_iterator
 
1688
        self._ensure_real()
 
1689
        return self._real_repository.iter_files_bytes(desired_files)
2205
1690
 
2206
1691
    def get_cached_parent_map(self, revision_ids):
2207
1692
        """See bzrlib.CachingParentsProvider.get_cached_parent_map"""
2272
1757
            parents_map = {}
2273
1758
        if _DEFAULT_SEARCH_DEPTH <= 0:
2274
1759
            (start_set, stop_keys,
2275
 
             key_count) = vf_search.search_result_from_parent_map(
 
1760
             key_count) = graph.search_result_from_parent_map(
2276
1761
                parents_map, self._unstacked_provider.missing_keys)
2277
1762
        else:
2278
1763
            (start_set, stop_keys,
2279
 
             key_count) = vf_search.limited_search_result_from_parent_map(
 
1764
             key_count) = graph.limited_search_result_from_parent_map(
2280
1765
                parents_map, self._unstacked_provider.missing_keys,
2281
1766
                keys, depth=_DEFAULT_SEARCH_DEPTH)
2282
1767
        recipe = ('manual', start_set, stop_keys, key_count)
2333
1818
 
2334
1819
    @needs_read_lock
2335
1820
    def get_signature_text(self, revision_id):
2336
 
        path = self.bzrdir._path_for_remote_call(self._client)
2337
 
        try:
2338
 
            response_tuple, response_handler = self._call_expecting_body(
2339
 
                'Repository.get_revision_signature_text', path, revision_id)
2340
 
        except errors.UnknownSmartMethod:
2341
 
            self._ensure_real()
2342
 
            return self._real_repository.get_signature_text(revision_id)
2343
 
        except errors.NoSuchRevision, err:
2344
 
            for fallback in self._fallback_repositories:
2345
 
                try:
2346
 
                    return fallback.get_signature_text(revision_id)
2347
 
                except errors.NoSuchRevision:
2348
 
                    pass
2349
 
            raise err
2350
 
        else:
2351
 
            if response_tuple[0] != 'ok':
2352
 
                raise errors.UnexpectedSmartServerResponse(response_tuple)
2353
 
            return response_handler.read_body_bytes()
 
1821
        self._ensure_real()
 
1822
        return self._real_repository.get_signature_text(revision_id)
2354
1823
 
2355
1824
    @needs_read_lock
2356
1825
    def _get_inventory_xml(self, revision_id):
2357
 
        # This call is used by older working tree formats,
2358
 
        # which stored a serialized basis inventory.
2359
1826
        self._ensure_real()
2360
1827
        return self._real_repository._get_inventory_xml(revision_id)
2361
1828
 
2362
 
    @needs_write_lock
2363
1829
    def reconcile(self, other=None, thorough=False):
2364
 
        from bzrlib.reconcile import RepoReconciler
2365
 
        path = self.bzrdir._path_for_remote_call(self._client)
2366
 
        try:
2367
 
            response, handler = self._call_expecting_body(
2368
 
                'Repository.reconcile', path, self._lock_token)
2369
 
        except (errors.UnknownSmartMethod, errors.TokenLockingNotSupported):
2370
 
            self._ensure_real()
2371
 
            return self._real_repository.reconcile(other=other, thorough=thorough)
2372
 
        if response != ('ok', ):
2373
 
            raise errors.UnexpectedSmartServerResponse(response)
2374
 
        body = handler.read_body_bytes()
2375
 
        result = RepoReconciler(self)
2376
 
        for line in body.split('\n'):
2377
 
            if not line:
2378
 
                continue
2379
 
            key, val_text = line.split(':')
2380
 
            if key == "garbage_inventories":
2381
 
                result.garbage_inventories = int(val_text)
2382
 
            elif key == "inconsistent_parents":
2383
 
                result.inconsistent_parents = int(val_text)
2384
 
            else:
2385
 
                mutter("unknown reconcile key %r" % key)
2386
 
        return result
 
1830
        self._ensure_real()
 
1831
        return self._real_repository.reconcile(other=other, thorough=thorough)
2387
1832
 
2388
1833
    def all_revision_ids(self):
2389
 
        path = self.bzrdir._path_for_remote_call(self._client)
2390
 
        try:
2391
 
            response_tuple, response_handler = self._call_expecting_body(
2392
 
                "Repository.all_revision_ids", path)
2393
 
        except errors.UnknownSmartMethod:
2394
 
            self._ensure_real()
2395
 
            return self._real_repository.all_revision_ids()
2396
 
        if response_tuple != ("ok", ):
2397
 
            raise errors.UnexpectedSmartServerResponse(response_tuple)
2398
 
        revids = set(response_handler.read_body_bytes().splitlines())
2399
 
        for fallback in self._fallback_repositories:
2400
 
            revids.update(set(fallback.all_revision_ids()))
2401
 
        return list(revids)
2402
 
 
2403
 
    def _filtered_revision_trees(self, revision_ids, file_ids):
2404
 
        """Return Tree for a revision on this branch with only some files.
2405
 
 
2406
 
        :param revision_ids: a sequence of revision-ids;
2407
 
          a revision-id may not be None or 'null:'
2408
 
        :param file_ids: if not None, the result is filtered
2409
 
          so that only those file-ids, their parents and their
2410
 
          children are included.
2411
 
        """
2412
 
        inventories = self.iter_inventories(revision_ids)
2413
 
        for inv in inventories:
2414
 
            # Should we introduce a FilteredRevisionTree class rather
2415
 
            # than pre-filter the inventory here?
2416
 
            filtered_inv = inv.filter(file_ids)
2417
 
            yield InventoryRevisionTree(self, filtered_inv, filtered_inv.revision_id)
 
1834
        self._ensure_real()
 
1835
        return self._real_repository.all_revision_ids()
2418
1836
 
2419
1837
    @needs_read_lock
2420
1838
    def get_deltas_for_revisions(self, revisions, specific_fileids=None):
2421
 
        medium = self._client._medium
2422
 
        if medium._is_remote_before((1, 2)):
2423
 
            self._ensure_real()
2424
 
            for delta in self._real_repository.get_deltas_for_revisions(
2425
 
                    revisions, specific_fileids):
2426
 
                yield delta
2427
 
            return
2428
 
        # Get the revision-ids of interest
2429
 
        required_trees = set()
2430
 
        for revision in revisions:
2431
 
            required_trees.add(revision.revision_id)
2432
 
            required_trees.update(revision.parent_ids[:1])
2433
 
 
2434
 
        # Get the matching filtered trees. Note that it's more
2435
 
        # efficient to pass filtered trees to changes_from() rather
2436
 
        # than doing the filtering afterwards. changes_from() could
2437
 
        # arguably do the filtering itself but it's path-based, not
2438
 
        # file-id based, so filtering before or afterwards is
2439
 
        # currently easier.
2440
 
        if specific_fileids is None:
2441
 
            trees = dict((t.get_revision_id(), t) for
2442
 
                t in self.revision_trees(required_trees))
2443
 
        else:
2444
 
            trees = dict((t.get_revision_id(), t) for
2445
 
                t in self._filtered_revision_trees(required_trees,
2446
 
                specific_fileids))
2447
 
 
2448
 
        # Calculate the deltas
2449
 
        for revision in revisions:
2450
 
            if not revision.parent_ids:
2451
 
                old_tree = self.revision_tree(_mod_revision.NULL_REVISION)
2452
 
            else:
2453
 
                old_tree = trees[revision.parent_ids[0]]
2454
 
            yield trees[revision.revision_id].changes_from(old_tree)
 
1839
        self._ensure_real()
 
1840
        return self._real_repository.get_deltas_for_revisions(revisions,
 
1841
            specific_fileids=specific_fileids)
2455
1842
 
2456
1843
    @needs_read_lock
2457
1844
    def get_revision_delta(self, revision_id, specific_fileids=None):
2458
 
        r = self.get_revision(revision_id)
2459
 
        return list(self.get_deltas_for_revisions([r],
2460
 
            specific_fileids=specific_fileids))[0]
 
1845
        self._ensure_real()
 
1846
        return self._real_repository.get_revision_delta(revision_id,
 
1847
            specific_fileids=specific_fileids)
2461
1848
 
2462
1849
    @needs_read_lock
2463
1850
    def revision_trees(self, revision_ids):
2464
 
        inventories = self.iter_inventories(revision_ids)
2465
 
        for inv in inventories:
2466
 
            yield InventoryRevisionTree(self, inv, inv.revision_id)
 
1851
        self._ensure_real()
 
1852
        return self._real_repository.revision_trees(revision_ids)
2467
1853
 
2468
1854
    @needs_read_lock
2469
1855
    def get_revision_reconcile(self, revision_id):
2477
1863
            callback_refs=callback_refs, check_repo=check_repo)
2478
1864
 
2479
1865
    def copy_content_into(self, destination, revision_id=None):
2480
 
        """Make a complete copy of the content in self into destination.
2481
 
 
2482
 
        This is a destructive operation! Do not use it on existing
2483
 
        repositories.
2484
 
        """
2485
 
        interrepo = _mod_repository.InterRepository.get(self, destination)
2486
 
        return interrepo.copy_content(revision_id)
 
1866
        self._ensure_real()
 
1867
        return self._real_repository.copy_content_into(
 
1868
            destination, revision_id=revision_id)
2487
1869
 
2488
1870
    def _copy_repository_tarball(self, to_bzrdir, revision_id=None):
2489
1871
        # get a tarball of the remote repository, and copy from that into the
2490
1872
        # destination
 
1873
        from bzrlib import osutils
2491
1874
        import tarfile
2492
1875
        # TODO: Maybe a progress bar while streaming the tarball?
2493
 
        note(gettext("Copying repository content as tarball..."))
 
1876
        note("Copying repository content as tarball...")
2494
1877
        tar_file = self._get_tarball('bz2')
2495
1878
        if tar_file is None:
2496
1879
            return None
2525
1908
    @needs_write_lock
2526
1909
    def pack(self, hint=None, clean_obsolete_packs=False):
2527
1910
        """Compress the data within the repository.
 
1911
 
 
1912
        This is not currently implemented within the smart server.
2528
1913
        """
2529
 
        if hint is None:
2530
 
            body = ""
2531
 
        else:
2532
 
            body = "".join([l+"\n" for l in hint])
2533
 
        path = self.bzrdir._path_for_remote_call(self._client)
2534
 
        try:
2535
 
            response, handler = self._call_with_body_bytes_expecting_body(
2536
 
                'Repository.pack', (path, self._lock_token,
2537
 
                    str(clean_obsolete_packs)), body)
2538
 
        except errors.UnknownSmartMethod:
2539
 
            self._ensure_real()
2540
 
            return self._real_repository.pack(hint=hint,
2541
 
                clean_obsolete_packs=clean_obsolete_packs)
2542
 
        handler.cancel_read_body()
2543
 
        if response != ('ok', ):
2544
 
            raise errors.UnexpectedSmartServerResponse(response)
 
1914
        self._ensure_real()
 
1915
        return self._real_repository.pack(hint=hint, clean_obsolete_packs=clean_obsolete_packs)
2545
1916
 
2546
1917
    @property
2547
1918
    def revisions(self):
2548
1919
        """Decorate the real repository for now.
2549
1920
 
 
1921
        In the short term this should become a real object to intercept graph
 
1922
        lookups.
 
1923
 
2550
1924
        In the long term a full blown network facility is needed.
2551
1925
        """
2552
1926
        self._ensure_real()
2580
1954
 
2581
1955
    @needs_write_lock
2582
1956
    def sign_revision(self, revision_id, gpg_strategy):
2583
 
        testament = _mod_testament.Testament.from_revision(self, revision_id)
2584
 
        plaintext = testament.as_short_text()
2585
 
        self.store_revision_signature(gpg_strategy, plaintext, revision_id)
 
1957
        self._ensure_real()
 
1958
        return self._real_repository.sign_revision(revision_id, gpg_strategy)
2586
1959
 
2587
1960
    @property
2588
1961
    def texts(self):
2594
1967
        self._ensure_real()
2595
1968
        return self._real_repository.texts
2596
1969
 
2597
 
    def _iter_revisions_rpc(self, revision_ids):
2598
 
        body = "\n".join(revision_ids)
2599
 
        path = self.bzrdir._path_for_remote_call(self._client)
2600
 
        response_tuple, response_handler = (
2601
 
            self._call_with_body_bytes_expecting_body(
2602
 
            "Repository.iter_revisions", (path, ), body))
2603
 
        if response_tuple[0] != "ok":
2604
 
            raise errors.UnexpectedSmartServerResponse(response_tuple)
2605
 
        serializer_format = response_tuple[1]
2606
 
        serializer = serializer_format_registry.get(serializer_format)
2607
 
        byte_stream = response_handler.read_streamed_body()
2608
 
        decompressor = zlib.decompressobj()
2609
 
        chunks = []
2610
 
        for bytes in byte_stream:
2611
 
            chunks.append(decompressor.decompress(bytes))
2612
 
            if decompressor.unused_data != "":
2613
 
                chunks.append(decompressor.flush())
2614
 
                yield serializer.read_revision_from_string("".join(chunks))
2615
 
                unused = decompressor.unused_data
2616
 
                decompressor = zlib.decompressobj()
2617
 
                chunks = [decompressor.decompress(unused)]
2618
 
        chunks.append(decompressor.flush())
2619
 
        text = "".join(chunks)
2620
 
        if text != "":
2621
 
            yield serializer.read_revision_from_string("".join(chunks))
2622
 
 
2623
1970
    @needs_read_lock
2624
1971
    def get_revisions(self, revision_ids):
2625
 
        if revision_ids is None:
2626
 
            revision_ids = self.all_revision_ids()
2627
 
        else:
2628
 
            for rev_id in revision_ids:
2629
 
                if not rev_id or not isinstance(rev_id, basestring):
2630
 
                    raise errors.InvalidRevisionId(
2631
 
                        revision_id=rev_id, branch=self)
2632
 
        try:
2633
 
            missing = set(revision_ids)
2634
 
            revs = {}
2635
 
            for rev in self._iter_revisions_rpc(revision_ids):
2636
 
                missing.remove(rev.revision_id)
2637
 
                revs[rev.revision_id] = rev
2638
 
        except errors.UnknownSmartMethod:
2639
 
            self._ensure_real()
2640
 
            return self._real_repository.get_revisions(revision_ids)
2641
 
        for fallback in self._fallback_repositories:
2642
 
            if not missing:
2643
 
                break
2644
 
            for revid in list(missing):
2645
 
                # XXX JRV 2011-11-20: It would be nice if there was a
2646
 
                # public method on Repository that could be used to query
2647
 
                # for revision objects *without* failing completely if one
2648
 
                # was missing. There is VersionedFileRepository._iter_revisions,
2649
 
                # but unfortunately that's private and not provided by
2650
 
                # all repository implementations.
2651
 
                try:
2652
 
                    revs[revid] = fallback.get_revision(revid)
2653
 
                except errors.NoSuchRevision:
2654
 
                    pass
2655
 
                else:
2656
 
                    missing.remove(revid)
2657
 
        if missing:
2658
 
            raise errors.NoSuchRevision(self, list(missing)[0])
2659
 
        return [revs[revid] for revid in revision_ids]
 
1972
        self._ensure_real()
 
1973
        return self._real_repository.get_revisions(revision_ids)
2660
1974
 
2661
1975
    def supports_rich_root(self):
2662
1976
        return self._format.rich_root_data
2670
1984
    def _serializer(self):
2671
1985
        return self._format._serializer
2672
1986
 
2673
 
    @needs_write_lock
2674
1987
    def store_revision_signature(self, gpg_strategy, plaintext, revision_id):
2675
 
        signature = gpg_strategy.sign(plaintext)
2676
 
        self.add_signature_text(revision_id, signature)
 
1988
        self._ensure_real()
 
1989
        return self._real_repository.store_revision_signature(
 
1990
            gpg_strategy, plaintext, revision_id)
2677
1991
 
2678
1992
    def add_signature_text(self, revision_id, signature):
2679
 
        if self._real_repository:
2680
 
            # If there is a real repository the write group will
2681
 
            # be in the real repository as well, so use that:
2682
 
            self._ensure_real()
2683
 
            return self._real_repository.add_signature_text(
2684
 
                revision_id, signature)
2685
 
        path = self.bzrdir._path_for_remote_call(self._client)
2686
 
        response, handler = self._call_with_body_bytes_expecting_body(
2687
 
            'Repository.add_signature_text', (path, self._lock_token,
2688
 
                revision_id) + tuple(self._write_group_tokens), signature)
2689
 
        handler.cancel_read_body()
2690
 
        self.refresh_data()
2691
 
        if response[0] != 'ok':
2692
 
            raise errors.UnexpectedSmartServerResponse(response)
2693
 
        self._write_group_tokens = response[1:]
 
1993
        self._ensure_real()
 
1994
        return self._real_repository.add_signature_text(revision_id, signature)
2694
1995
 
2695
1996
    def has_signature_for_revision_id(self, revision_id):
2696
 
        path = self.bzrdir._path_for_remote_call(self._client)
2697
 
        try:
2698
 
            response = self._call('Repository.has_signature_for_revision_id',
2699
 
                path, revision_id)
2700
 
        except errors.UnknownSmartMethod:
2701
 
            self._ensure_real()
2702
 
            return self._real_repository.has_signature_for_revision_id(
2703
 
                revision_id)
2704
 
        if response[0] not in ('yes', 'no'):
2705
 
            raise SmartProtocolError('unexpected response code %s' % (response,))
2706
 
        if response[0] == 'yes':
2707
 
            return True
2708
 
        for fallback in self._fallback_repositories:
2709
 
            if fallback.has_signature_for_revision_id(revision_id):
2710
 
                return True
2711
 
        return False
2712
 
 
2713
 
    @needs_read_lock
2714
 
    def verify_revision_signature(self, revision_id, gpg_strategy):
2715
 
        if not self.has_signature_for_revision_id(revision_id):
2716
 
            return gpg.SIGNATURE_NOT_SIGNED, None
2717
 
        signature = self.get_signature_text(revision_id)
2718
 
 
2719
 
        testament = _mod_testament.Testament.from_revision(self, revision_id)
2720
 
        plaintext = testament.as_short_text()
2721
 
 
2722
 
        return gpg_strategy.verify(signature, plaintext)
 
1997
        self._ensure_real()
 
1998
        return self._real_repository.has_signature_for_revision_id(revision_id)
2723
1999
 
2724
2000
    def item_keys_introduced_by(self, revision_ids, _files_pb=None):
2725
2001
        self._ensure_real()
2915
2191
 
2916
2192
    def _real_stream(self, repo, search):
2917
2193
        """Get a stream for search from repo.
2918
 
 
2919
 
        This never called RemoteStreamSource.get_stream, and is a helper
2920
 
        for RemoteStreamSource._get_stream to allow getting a stream
 
2194
        
 
2195
        This never called RemoteStreamSource.get_stream, and is a heler
 
2196
        for RemoteStreamSource._get_stream to allow getting a stream 
2921
2197
        reliably whether fallback back because of old servers or trying
2922
2198
        to stream from a non-RemoteRepository (which the stacked support
2923
2199
        code will do).
2965
2241
            except errors.UnknownSmartMethod:
2966
2242
                medium._remember_remote_is_before(version)
2967
2243
            except errors.UnknownErrorFromSmartServer, e:
2968
 
                if isinstance(search, vf_search.EverythingResult):
 
2244
                if isinstance(search, graph.EverythingResult):
2969
2245
                    error_verb = e.error_from_smart_server.error_verb
2970
2246
                    if error_verb == 'BadSearch':
2971
2247
                        # Pre-2.4 servers don't support this sort of search.
3063
2339
 
3064
2340
    def _ensure_real(self):
3065
2341
        if self._custom_format is None:
3066
 
            try:
3067
 
                self._custom_format = branch.network_format_registry.get(
3068
 
                    self._network_name)
3069
 
            except KeyError:
3070
 
                raise errors.UnknownFormatError(kind='branch',
3071
 
                    format=self._network_name)
 
2342
            self._custom_format = branch.network_format_registry.get(
 
2343
                self._network_name)
3072
2344
 
3073
2345
    def get_format_description(self):
3074
2346
        self._ensure_real()
3199
2471
                return True
3200
2472
        return False
3201
2473
 
3202
 
 
3203
 
class RemoteBranchStore(_mod_config.IniFileStore):
3204
 
    """Branch store which attempts to use HPSS calls to retrieve branch store.
3205
 
 
3206
 
    Note that this is specific to bzr-based formats.
3207
 
    """
3208
 
 
3209
 
    def __init__(self, branch):
3210
 
        super(RemoteBranchStore, self).__init__()
3211
 
        self.branch = branch
3212
 
        self.id = "branch"
3213
 
        self._real_store = None
3214
 
 
3215
 
    def lock_write(self, token=None):
3216
 
        return self.branch.lock_write(token)
3217
 
 
3218
 
    def unlock(self):
3219
 
        return self.branch.unlock()
3220
 
 
3221
 
    @needs_write_lock
3222
 
    def save(self):
3223
 
        # We need to be able to override the undecorated implementation
3224
 
        self.save_without_locking()
3225
 
 
3226
 
    def save_without_locking(self):
3227
 
        super(RemoteBranchStore, self).save()
3228
 
 
3229
 
    def external_url(self):
3230
 
        return self.branch.user_url
3231
 
 
3232
 
    def _load_content(self):
3233
 
        path = self.branch._remote_path()
3234
 
        try:
3235
 
            response, handler = self.branch._call_expecting_body(
3236
 
                'Branch.get_config_file', path)
3237
 
        except errors.UnknownSmartMethod:
3238
 
            self._ensure_real()
3239
 
            return self._real_store._load_content()
3240
 
        if len(response) and response[0] != 'ok':
3241
 
            raise errors.UnexpectedSmartServerResponse(response)
3242
 
        return handler.read_body_bytes()
3243
 
 
3244
 
    def _save_content(self, content):
3245
 
        path = self.branch._remote_path()
3246
 
        try:
3247
 
            response, handler = self.branch._call_with_body_bytes_expecting_body(
3248
 
                'Branch.put_config_file', (path,
3249
 
                    self.branch._lock_token, self.branch._repo_lock_token),
3250
 
                content)
3251
 
        except errors.UnknownSmartMethod:
3252
 
            self._ensure_real()
3253
 
            return self._real_store._save_content(content)
3254
 
        handler.cancel_read_body()
3255
 
        if response != ('ok', ):
3256
 
            raise errors.UnexpectedSmartServerResponse(response)
3257
 
 
3258
 
    def _ensure_real(self):
3259
 
        self.branch._ensure_real()
3260
 
        if self._real_store is None:
3261
 
            self._real_store = _mod_config.BranchStore(self.branch)
3262
 
 
3263
 
 
3264
2474
class RemoteBranch(branch.Branch, _RpcHelper, lock._RelockDebugMixin):
3265
2475
    """Branch stored on a server accessed by HPSS RPC.
3266
2476
 
3268
2478
    """
3269
2479
 
3270
2480
    def __init__(self, remote_bzrdir, remote_repository, real_branch=None,
3271
 
        _client=None, format=None, setup_stacking=True, name=None,
3272
 
        possible_transports=None):
 
2481
        _client=None, format=None, setup_stacking=True, name=None):
3273
2482
        """Create a RemoteBranch instance.
3274
2483
 
3275
2484
        :param real_branch: An optional local implementation of the branch
3340
2549
            hook(self)
3341
2550
        self._is_stacked = False
3342
2551
        if setup_stacking:
3343
 
            self._setup_stacking(possible_transports)
 
2552
            self._setup_stacking()
3344
2553
 
3345
 
    def _setup_stacking(self, possible_transports):
 
2554
    def _setup_stacking(self):
3346
2555
        # configure stacking into the remote repository, by reading it from
3347
2556
        # the vfs branch.
3348
2557
        try:
3351
2560
            errors.UnstackableRepositoryFormat), e:
3352
2561
            return
3353
2562
        self._is_stacked = True
3354
 
        if possible_transports is None:
3355
 
            possible_transports = []
3356
 
        else:
3357
 
            possible_transports = list(possible_transports)
3358
 
        possible_transports.append(self.bzrdir.root_transport)
3359
 
        self._activate_fallback_location(fallback_url,
3360
 
            possible_transports=possible_transports)
 
2563
        self._activate_fallback_location(fallback_url)
3361
2564
 
3362
2565
    def _get_config(self):
3363
2566
        return RemoteBranchConfig(self)
3364
2567
 
3365
 
    def _get_config_store(self):
3366
 
        return RemoteBranchStore(self)
3367
 
 
3368
2568
    def _get_real_transport(self):
3369
2569
        # if we try vfs access, return the real branch's vfs transport
3370
2570
        self._ensure_real()
3433
2633
                self.bzrdir, self._client)
3434
2634
        return self._control_files
3435
2635
 
 
2636
    def _get_checkout_format(self, lightweight=False):
 
2637
        self._ensure_real()
 
2638
        if lightweight:
 
2639
            format = RemoteBzrDirFormat()
 
2640
            self.bzrdir._format._supply_sub_formats_to(format)
 
2641
            format.workingtree_format = self._real_branch._get_checkout_format(
 
2642
                lightweight=lightweight).workingtree_format
 
2643
            return format
 
2644
        else:
 
2645
            return self._real_branch._get_checkout_format(lightweight=False)
 
2646
 
3436
2647
    def get_physical_lock_status(self):
3437
2648
        """See Branch.get_physical_lock_status()."""
3438
 
        try:
3439
 
            response = self._client.call('Branch.get_physical_lock_status',
3440
 
                self._remote_path())
3441
 
        except errors.UnknownSmartMethod:
3442
 
            self._ensure_real()
3443
 
            return self._real_branch.get_physical_lock_status()
3444
 
        if response[0] not in ('yes', 'no'):
3445
 
            raise errors.UnexpectedSmartServerResponse(response)
3446
 
        return (response[0] == 'yes')
 
2649
        # should be an API call to the server, as branches must be lockable.
 
2650
        self._ensure_real()
 
2651
        return self._real_branch.get_physical_lock_status()
3447
2652
 
3448
2653
    def get_stacked_on_url(self):
3449
2654
        """Get the URL this branch is stacked against.
3633
2838
            self.repository.unlock()
3634
2839
 
3635
2840
    def break_lock(self):
3636
 
        try:
3637
 
            response = self._call(
3638
 
                'Branch.break_lock', self._remote_path())
3639
 
        except errors.UnknownSmartMethod:
3640
 
            self._ensure_real()
3641
 
            return self._real_branch.break_lock()
3642
 
        if response != ('ok',):
3643
 
            raise errors.UnexpectedSmartServerResponse(response)
 
2841
        self._ensure_real()
 
2842
        return self._real_branch.break_lock()
3644
2843
 
3645
2844
    def leave_lock_in_place(self):
3646
2845
        if not self._lock_token:
3820
3019
        return self._lock_count >= 1
3821
3020
 
3822
3021
    @needs_read_lock
3823
 
    def revision_id_to_dotted_revno(self, revision_id):
3824
 
        """Given a revision id, return its dotted revno.
3825
 
 
3826
 
        :return: a tuple like (1,) or (400,1,3).
3827
 
        """
3828
 
        try:
3829
 
            response = self._call('Branch.revision_id_to_revno',
3830
 
                self._remote_path(), revision_id)
3831
 
        except errors.UnknownSmartMethod:
3832
 
            self._ensure_real()
3833
 
            return self._real_branch.revision_id_to_dotted_revno(revision_id)
3834
 
        if response[0] == 'ok':
3835
 
            return tuple([int(x) for x in response[1:]])
3836
 
        else:
3837
 
            raise errors.UnexpectedSmartServerResponse(response)
3838
 
 
3839
 
    @needs_read_lock
3840
3022
    def revision_id_to_revno(self, revision_id):
3841
 
        """Given a revision id on the branch mainline, return its revno.
3842
 
 
3843
 
        :return: an integer
3844
 
        """
3845
 
        try:
3846
 
            response = self._call('Branch.revision_id_to_revno',
3847
 
                self._remote_path(), revision_id)
3848
 
        except errors.UnknownSmartMethod:
3849
 
            self._ensure_real()
3850
 
            return self._real_branch.revision_id_to_revno(revision_id)
3851
 
        if response[0] == 'ok':
3852
 
            if len(response) == 2:
3853
 
                return int(response[1])
3854
 
            raise NoSuchRevision(self, revision_id)
3855
 
        else:
3856
 
            raise errors.UnexpectedSmartServerResponse(response)
 
3023
        self._ensure_real()
 
3024
        return self._real_branch.revision_id_to_revno(revision_id)
3857
3025
 
3858
3026
    @needs_write_lock
3859
3027
    def set_last_revision_info(self, revno, revision_id):
3963
3131
                value = section_obj.get(name, default)
3964
3132
        except errors.UnknownSmartMethod:
3965
3133
            value = self._vfs_get_option(name, section, default)
3966
 
        for hook in _mod_config.OldConfigHooks['get']:
 
3134
        for hook in config.OldConfigHooks['get']:
3967
3135
            hook(self, name, value)
3968
3136
        return value
3969
3137
 
3971
3139
        if len(response[0]) and response[0][0] != 'ok':
3972
3140
            raise errors.UnexpectedSmartServerResponse(response)
3973
3141
        lines = response[1].read_body_bytes().splitlines()
3974
 
        conf = _mod_config.ConfigObj(lines, encoding='utf-8')
3975
 
        for hook in _mod_config.OldConfigHooks['load']:
 
3142
        conf = config.ConfigObj(lines, encoding='utf-8')
 
3143
        for hook in config.OldConfigHooks['load']:
3976
3144
            hook(self)
3977
3145
        return conf
3978
3146
 
4088
3256
        return self._bzrdir._real_bzrdir
4089
3257
 
4090
3258
 
 
3259
 
4091
3260
def _extract_tar(tar, to_dir):
4092
3261
    """Extract all the contents of a tarfile object.
4093
3262
 
4097
3266
        tar.extract(tarinfo, to_dir)
4098
3267
 
4099
3268
 
4100
 
error_translators = registry.Registry()
4101
 
no_context_error_translators = registry.Registry()
4102
 
 
4103
 
 
4104
3269
def _translate_error(err, **context):
4105
3270
    """Translate an ErrorFromSmartServer into a more useful error.
4106
3271
 
4135
3300
                    'Missing key %r in context %r', key_err.args[0], context)
4136
3301
                raise err
4137
3302
 
4138
 
    try:
4139
 
        translator = error_translators.get(err.error_verb)
4140
 
    except KeyError:
4141
 
        pass
4142
 
    else:
4143
 
        raise translator(err, find, get_path)
4144
 
    try:
4145
 
        translator = no_context_error_translators.get(err.error_verb)
4146
 
    except KeyError:
4147
 
        raise errors.UnknownErrorFromSmartServer(err)
4148
 
    else:
4149
 
        raise translator(err)
4150
 
 
4151
 
 
4152
 
error_translators.register('NoSuchRevision',
4153
 
    lambda err, find, get_path: NoSuchRevision(
4154
 
        find('branch'), err.error_args[0]))
4155
 
error_translators.register('nosuchrevision',
4156
 
    lambda err, find, get_path: NoSuchRevision(
4157
 
        find('repository'), err.error_args[0]))
4158
 
 
4159
 
def _translate_nobranch_error(err, find, get_path):
4160
 
    if len(err.error_args) >= 1:
4161
 
        extra = err.error_args[0]
4162
 
    else:
4163
 
        extra = None
4164
 
    return errors.NotBranchError(path=find('bzrdir').root_transport.base,
4165
 
        detail=extra)
4166
 
 
4167
 
error_translators.register('nobranch', _translate_nobranch_error)
4168
 
error_translators.register('norepository',
4169
 
    lambda err, find, get_path: errors.NoRepositoryPresent(
4170
 
        find('bzrdir')))
4171
 
error_translators.register('UnlockableTransport',
4172
 
    lambda err, find, get_path: errors.UnlockableTransport(
4173
 
        find('bzrdir').root_transport))
4174
 
error_translators.register('TokenMismatch',
4175
 
    lambda err, find, get_path: errors.TokenMismatch(
4176
 
        find('token'), '(remote token)'))
4177
 
error_translators.register('Diverged',
4178
 
    lambda err, find, get_path: errors.DivergedBranches(
4179
 
        find('branch'), find('other_branch')))
4180
 
error_translators.register('NotStacked',
4181
 
    lambda err, find, get_path: errors.NotStacked(branch=find('branch')))
4182
 
 
4183
 
def _translate_PermissionDenied(err, find, get_path):
4184
 
    path = get_path()
4185
 
    if len(err.error_args) >= 2:
4186
 
        extra = err.error_args[1]
4187
 
    else:
4188
 
        extra = None
4189
 
    return errors.PermissionDenied(path, extra=extra)
4190
 
 
4191
 
error_translators.register('PermissionDenied', _translate_PermissionDenied)
4192
 
error_translators.register('ReadError',
4193
 
    lambda err, find, get_path: errors.ReadError(get_path()))
4194
 
error_translators.register('NoSuchFile',
4195
 
    lambda err, find, get_path: errors.NoSuchFile(get_path()))
4196
 
error_translators.register('TokenLockingNotSupported',
4197
 
    lambda err, find, get_path: errors.TokenLockingNotSupported(
4198
 
        find('repository')))
4199
 
error_translators.register('UnsuspendableWriteGroup',
4200
 
    lambda err, find, get_path: errors.UnsuspendableWriteGroup(
4201
 
        repository=find('repository')))
4202
 
error_translators.register('UnresumableWriteGroup',
4203
 
    lambda err, find, get_path: errors.UnresumableWriteGroup(
4204
 
        repository=find('repository'), write_groups=err.error_args[0],
4205
 
        reason=err.error_args[1]))
4206
 
no_context_error_translators.register('IncompatibleRepositories',
4207
 
    lambda err: errors.IncompatibleRepositories(
4208
 
        err.error_args[0], err.error_args[1], err.error_args[2]))
4209
 
no_context_error_translators.register('LockContention',
4210
 
    lambda err: errors.LockContention('(remote lock)'))
4211
 
no_context_error_translators.register('LockFailed',
4212
 
    lambda err: errors.LockFailed(err.error_args[0], err.error_args[1]))
4213
 
no_context_error_translators.register('TipChangeRejected',
4214
 
    lambda err: errors.TipChangeRejected(err.error_args[0].decode('utf8')))
4215
 
no_context_error_translators.register('UnstackableBranchFormat',
4216
 
    lambda err: errors.UnstackableBranchFormat(*err.error_args))
4217
 
no_context_error_translators.register('UnstackableRepositoryFormat',
4218
 
    lambda err: errors.UnstackableRepositoryFormat(*err.error_args))
4219
 
no_context_error_translators.register('FileExists',
4220
 
    lambda err: errors.FileExists(err.error_args[0]))
4221
 
no_context_error_translators.register('DirectoryNotEmpty',
4222
 
    lambda err: errors.DirectoryNotEmpty(err.error_args[0]))
4223
 
 
4224
 
def _translate_short_readv_error(err):
4225
 
    args = err.error_args
4226
 
    return errors.ShortReadvError(args[0], int(args[1]), int(args[2]),
4227
 
        int(args[3]))
4228
 
 
4229
 
no_context_error_translators.register('ShortReadvError',
4230
 
    _translate_short_readv_error)
4231
 
 
4232
 
def _translate_unicode_error(err):
 
3303
    if err.error_verb == 'NoSuchRevision':
 
3304
        raise NoSuchRevision(find('branch'), err.error_args[0])
 
3305
    elif err.error_verb == 'nosuchrevision':
 
3306
        raise NoSuchRevision(find('repository'), err.error_args[0])
 
3307
    elif err.error_verb == 'nobranch':
 
3308
        if len(err.error_args) >= 1:
 
3309
            extra = err.error_args[0]
 
3310
        else:
 
3311
            extra = None
 
3312
        raise errors.NotBranchError(path=find('bzrdir').root_transport.base,
 
3313
            detail=extra)
 
3314
    elif err.error_verb == 'norepository':
 
3315
        raise errors.NoRepositoryPresent(find('bzrdir'))
 
3316
    elif err.error_verb == 'UnlockableTransport':
 
3317
        raise errors.UnlockableTransport(find('bzrdir').root_transport)
 
3318
    elif err.error_verb == 'TokenMismatch':
 
3319
        raise errors.TokenMismatch(find('token'), '(remote token)')
 
3320
    elif err.error_verb == 'Diverged':
 
3321
        raise errors.DivergedBranches(find('branch'), find('other_branch'))
 
3322
    elif err.error_verb == 'NotStacked':
 
3323
        raise errors.NotStacked(branch=find('branch'))
 
3324
    elif err.error_verb == 'PermissionDenied':
 
3325
        path = get_path()
 
3326
        if len(err.error_args) >= 2:
 
3327
            extra = err.error_args[1]
 
3328
        else:
 
3329
            extra = None
 
3330
        raise errors.PermissionDenied(path, extra=extra)
 
3331
    elif err.error_verb == 'ReadError':
 
3332
        path = get_path()
 
3333
        raise errors.ReadError(path)
 
3334
    elif err.error_verb == 'NoSuchFile':
 
3335
        path = get_path()
 
3336
        raise errors.NoSuchFile(path)
 
3337
    _translate_error_without_context(err)
 
3338
 
 
3339
 
 
3340
def _translate_error_without_context(err):
 
3341
    """Translate any ErrorFromSmartServer values that don't require context"""
 
3342
    if err.error_verb == 'IncompatibleRepositories':
 
3343
        raise errors.IncompatibleRepositories(err.error_args[0],
 
3344
            err.error_args[1], err.error_args[2])
 
3345
    elif err.error_verb == 'LockContention':
 
3346
        raise errors.LockContention('(remote lock)')
 
3347
    elif err.error_verb == 'LockFailed':
 
3348
        raise errors.LockFailed(err.error_args[0], err.error_args[1])
 
3349
    elif err.error_verb == 'TipChangeRejected':
 
3350
        raise errors.TipChangeRejected(err.error_args[0].decode('utf8'))
 
3351
    elif err.error_verb == 'UnstackableBranchFormat':
 
3352
        raise errors.UnstackableBranchFormat(*err.error_args)
 
3353
    elif err.error_verb == 'UnstackableRepositoryFormat':
 
3354
        raise errors.UnstackableRepositoryFormat(*err.error_args)
 
3355
    elif err.error_verb == 'FileExists':
 
3356
        raise errors.FileExists(err.error_args[0])
 
3357
    elif err.error_verb == 'DirectoryNotEmpty':
 
3358
        raise errors.DirectoryNotEmpty(err.error_args[0])
 
3359
    elif err.error_verb == 'ShortReadvError':
 
3360
        args = err.error_args
 
3361
        raise errors.ShortReadvError(
 
3362
            args[0], int(args[1]), int(args[2]), int(args[3]))
 
3363
    elif err.error_verb in ('UnicodeEncodeError', 'UnicodeDecodeError'):
4233
3364
        encoding = str(err.error_args[0]) # encoding must always be a string
4234
3365
        val = err.error_args[1]
4235
3366
        start = int(err.error_args[2])
4243
3374
            raise UnicodeDecodeError(encoding, val, start, end, reason)
4244
3375
        elif err.error_verb == 'UnicodeEncodeError':
4245
3376
            raise UnicodeEncodeError(encoding, val, start, end, reason)
4246
 
 
4247
 
no_context_error_translators.register('UnicodeEncodeError',
4248
 
    _translate_unicode_error)
4249
 
no_context_error_translators.register('UnicodeDecodeError',
4250
 
    _translate_unicode_error)
4251
 
no_context_error_translators.register('ReadOnlyError',
4252
 
    lambda err: errors.TransportNotPossible('readonly transport'))
4253
 
no_context_error_translators.register('MemoryError',
4254
 
    lambda err: errors.BzrError("remote server out of memory\n"
4255
 
        "Retry non-remotely, or contact the server admin for details."))
4256
 
no_context_error_translators.register('RevisionNotPresent',
4257
 
    lambda err: errors.RevisionNotPresent(err.error_args[0], err.error_args[1]))
4258
 
 
4259
 
no_context_error_translators.register('BzrCheckError',
4260
 
    lambda err: errors.BzrCheckError(msg=err.error_args[0]))
4261
 
 
 
3377
    elif err.error_verb == 'ReadOnlyError':
 
3378
        raise errors.TransportNotPossible('readonly transport')
 
3379
    elif err.error_verb == 'MemoryError':
 
3380
        raise errors.BzrError("remote server out of memory\n"
 
3381
            "Retry non-remotely, or contact the server admin for details.")
 
3382
    raise errors.UnknownErrorFromSmartServer(err)