160
173
each version; the parent's parents are implied.
163
List of hex SHA-1 of each version, or None if not recorded.
176
List of hex SHA-1 of each version.
179
List of symbolic names for each version. Each should be unique.
182
For each name, the version number.
185
Descriptive name of this weave; typically the filename if known.
166
__slots__ = ['_weave', '_parents', '_sha1s']
189
__slots__ = ['_weave', '_parents', '_sha1s', '_names', '_name_map',
190
'_weave_name', '_matcher']
192
def __init__(self, weave_name=None, access_mode='w', matcher=None):
193
super(Weave, self).__init__(access_mode)
170
195
self._parents = []
199
self._weave_name = weave_name
201
self._matcher = bzrlib.patiencediff.PatienceSequenceMatcher
203
self._matcher = matcher
206
return "Weave(%r)" % self._weave_name
209
"""Return a deep copy of self.
211
The copy can be modified without affecting the original weave."""
213
other._weave = self._weave[:]
214
other._parents = self._parents[:]
215
other._sha1s = self._sha1s[:]
216
other._names = self._names[:]
217
other._name_map = self._name_map.copy()
218
other._weave_name = self._weave_name
174
221
def __eq__(self, other):
175
222
if not isinstance(other, Weave):
177
224
return self._parents == other._parents \
178
and self._weave == other._weave
225
and self._weave == other._weave \
226
and self._sha1s == other._sha1s
181
228
def __ne__(self, other):
182
229
return not self.__eq__(other)
185
def add(self, parents, text):
231
@deprecated_method(zero_eight)
232
def idx_to_name(self, index):
233
"""Old public interface, the public interface is all names now."""
236
def _idx_to_name(self, version):
237
return self._names[version]
239
@deprecated_method(zero_eight)
240
def lookup(self, name):
241
"""Backwards compatibility thunk:
243
Return name, as name is valid in the api now, and spew deprecation
248
def _lookup(self, name):
249
"""Convert symbolic version name to index."""
250
self.check_not_reserved_id(name)
252
return self._name_map[name]
254
raise RevisionNotPresent(name, self._weave_name)
256
@deprecated_method(zero_eight)
257
def iter_names(self):
258
"""Deprecated convenience function, please see VersionedFile.names()."""
259
return iter(self.names())
261
@deprecated_method(zero_eight)
263
"""See Weave.versions for the current api."""
264
return self.versions()
267
"""See VersionedFile.versions."""
268
return self._names[:]
270
def has_version(self, version_id):
271
"""See VersionedFile.has_version."""
272
return (version_id in self._name_map)
274
__contains__ = has_version
276
def get_delta(self, version_id):
277
"""See VersionedFile.get_delta."""
278
return self.get_deltas([version_id])[version_id]
280
def get_deltas(self, version_ids):
281
"""See VersionedFile.get_deltas."""
282
version_ids = self.get_ancestry(version_ids)
283
for version_id in version_ids:
284
if not self.has_version(version_id):
285
raise RevisionNotPresent(version_id, self)
286
# try extracting all versions; parallel extraction is used
287
nv = self.num_versions()
293
last_parent_lines = {}
295
parent_inclusions = {}
300
# its simplest to generate a full set of prepared variables.
302
name = self._names[i]
303
sha1s[name] = self.get_sha1(name)
304
parents_list = self.get_parents(name)
306
parent = parents_list[0]
307
parents[name] = parent
308
parent_inclusions[name] = inclusions[parent]
311
parent_inclusions[name] = set()
312
# we want to emit start, finish, replacement_length, replacement_lines tuples.
313
diff_hunks[name] = []
314
current_hunks[name] = [0, 0, 0, []] # #start, finish, repl_length, repl_tuples
315
parent_linenums[name] = 0
317
parent_noeols[name] = False
318
last_parent_lines[name] = None
319
new_inc = set([name])
320
for p in self._parents[i]:
321
new_inc.update(inclusions[self._idx_to_name(p)])
322
# debug only, known good so far.
323
#assert set(new_inc) == set(self.get_ancestry(name)), \
324
# 'failed %s != %s' % (set(new_inc), set(self.get_ancestry(name)))
325
inclusions[name] = new_inc
327
nlines = len(self._weave)
329
for lineno, inserted, deletes, line in self._walk_internal():
330
# a line is active in a version if:
331
# insert is in the versions inclusions
333
# deleteset & the versions inclusions is an empty set.
334
# so - if we have a included by mapping - version is included by
335
# children, we get a list of children to examine for deletes affect
336
# ing them, which is less than the entire set of children.
337
for version_id in version_ids:
338
# The active inclusion must be an ancestor,
339
# and no ancestors must have deleted this line,
340
# because we don't support resurrection.
341
parent_inclusion = parent_inclusions[version_id]
342
inclusion = inclusions[version_id]
343
parent_active = inserted in parent_inclusion and not (deletes & parent_inclusion)
344
version_active = inserted in inclusion and not (deletes & inclusion)
345
if not parent_active and not version_active:
346
# unrelated line of ancestry
348
elif parent_active and version_active:
350
parent_linenum = parent_linenums[version_id]
351
if current_hunks[version_id] != [parent_linenum, parent_linenum, 0, []]:
352
diff_hunks[version_id].append(tuple(current_hunks[version_id]))
354
current_hunks[version_id] = [parent_linenum, parent_linenum, 0, []]
355
parent_linenums[version_id] = parent_linenum
358
noeols[version_id] = True
361
elif parent_active and not version_active:
363
current_hunks[version_id][1] += 1
364
parent_linenums[version_id] += 1
365
last_parent_lines[version_id] = line
366
elif not parent_active and version_active:
368
# noeol only occurs at the end of a file because we
369
# diff linewise. We want to show noeol changes as a
370
# empty diff unless the actual eol-less content changed.
373
if last_parent_lines[version_id][-1] != '\n':
374
parent_noeols[version_id] = True
375
except (TypeError, IndexError):
378
if theline[-1] != '\n':
379
noeols[version_id] = True
383
parent_should_go = False
385
if parent_noeols[version_id] == noeols[version_id]:
386
# no noeol toggle, so trust the weaves statement
387
# that this line is changed.
389
if parent_noeols[version_id]:
390
theline = theline + '\n'
391
elif parent_noeols[version_id]:
392
# parent has no eol, we do:
393
# our line is new, report as such..
395
elif noeols[version_id]:
396
# append a eol so that it looks like
398
theline = theline + '\n'
399
if parents[version_id] is not None:
400
#if last_parent_lines[version_id] is not None:
401
parent_should_go = True
402
if last_parent_lines[version_id] != theline:
405
#parent_should_go = False
407
current_hunks[version_id][2] += 1
408
current_hunks[version_id][3].append((inserted, theline))
410
# last hunk last parent line is not eaten
411
current_hunks[version_id][1] -= 1
412
if current_hunks[version_id][1] < 0:
413
current_hunks[version_id][1] = 0
414
# import pdb;pdb.set_trace()
415
# assert current_hunks[version_id][1] >= 0
419
version = self._idx_to_name(i)
420
if current_hunks[version] != [0, 0, 0, []]:
421
diff_hunks[version].append(tuple(current_hunks[version]))
423
for version_id in version_ids:
424
result[version_id] = (
428
diff_hunks[version_id],
432
def get_parents(self, version_id):
433
"""See VersionedFile.get_parent."""
434
return map(self._idx_to_name, self._parents[self._lookup(version_id)])
436
def _check_repeated_add(self, name, parents, text, sha1):
437
"""Check that a duplicated add is OK.
439
If it is, return the (old) index; otherwise raise an exception.
441
idx = self._lookup(name)
442
if sorted(self._parents[idx]) != sorted(parents) \
443
or sha1 != self._sha1s[idx]:
444
raise RevisionAlreadyPresent(name, self._weave_name)
447
@deprecated_method(zero_eight)
448
def add_identical(self, old_rev_id, new_rev_id, parents):
449
"""Please use Weave.clone_text now."""
450
return self.clone_text(new_rev_id, old_rev_id, parents)
452
def _add_lines(self, version_id, parents, lines, parent_texts,
453
left_matching_blocks=None):
454
"""See VersionedFile.add_lines."""
455
return self._add(version_id, lines, map(self._lookup, parents))
457
@deprecated_method(zero_eight)
458
def add(self, name, parents, text, sha1=None):
459
"""See VersionedFile.add_lines for the non deprecated api."""
460
return self._add(name, text, map(self._maybe_lookup, parents), sha1)
462
def _add(self, version_id, lines, parents, sha1=None):
186
463
"""Add a single text on top of the weave.
188
465
Returns the index number of the newly added version.
468
Symbolic name for this version.
469
(Typically the revision-id of the revision that added it.)
191
472
List or set of direct parent version numbers.
194
Sequence of lines to be added in the new version."""
475
Sequence of lines to be added in the new version.
478
assert isinstance(version_id, basestring)
479
self._check_lines_not_unicode(lines)
480
self._check_lines_are_lines(lines)
482
sha1 = sha_strings(lines)
483
if version_id in self._name_map:
484
return self._check_repeated_add(version_id, parents, lines, sha1)
196
486
self._check_versions(parents)
197
## self._check_lines(text)
487
## self._check_lines(lines)
198
488
new_version = len(self._parents)
206
# if we abort after here the weave will be corrupt
207
self._parents.append(frozenset(parents))
490
# if we abort after here the (in-memory) weave will be corrupt because only
491
# some fields are updated
492
# XXX: FIXME implement a succeed-or-fail of the rest of this routine.
493
# - Robert Collins 20060226
494
self._parents.append(parents[:])
208
495
self._sha1s.append(sha1)
496
self._names.append(version_id)
497
self._name_map[version_id] = new_version
446
assert isinstance(l, basestring)
836
assert l.__class__ in (str, unicode)
447
837
if isactive is None:
448
838
isactive = (not dset) and istack and (istack[-1] in included)
450
840
result.append((istack[-1], lineno, l))
454
raise WFE("unclosed insertion blocks at end of weave",
843
raise WeaveFormatError("unclosed insertion blocks "
844
"at end of weave: %s" % istack)
457
raise WFE("unclosed deletion blocks at end of weave",
464
def get_iter(self, version):
465
"""Yield lines for the specified version."""
466
for origin, lineno, line in self._extract([version]):
470
def get(self, index):
471
return list(self.get_iter(index))
474
def mash_iter(self, included):
475
"""Return composed version of multiple included versions."""
476
for origin, lineno, text in self._extract(included):
480
def dump(self, to_file):
481
from pprint import pprint
482
print >>to_file, "Weave._weave = ",
483
pprint(self._weave, to_file)
484
print >>to_file, "Weave._parents = ",
485
pprint(self._parents, to_file)
846
raise WeaveFormatError("unclosed deletion blocks at end of weave: %s"
850
@deprecated_method(zero_eight)
851
def get_iter(self, name_or_index):
852
"""Deprecated, please do not use. Lookups are not not needed.
854
Please use get_lines now.
856
return iter(self.get_lines(self._maybe_lookup(name_or_index)))
858
@deprecated_method(zero_eight)
859
def maybe_lookup(self, name_or_index):
860
"""Deprecated, please do not use. Lookups are not not needed."""
861
return self._maybe_lookup(name_or_index)
863
def _maybe_lookup(self, name_or_index):
864
"""Convert possible symbolic name to index, or pass through indexes.
868
if isinstance(name_or_index, (int, long)):
871
return self._lookup(name_or_index)
873
@deprecated_method(zero_eight)
874
def get(self, version_id):
875
"""Please use either Weave.get_text or Weave.get_lines as desired."""
876
return self.get_lines(version_id)
878
def get_lines(self, version_id):
879
"""See VersionedFile.get_lines()."""
880
int_index = self._maybe_lookup(version_id)
881
result = [line for (origin, lineno, line) in self._extract([int_index])]
882
expected_sha1 = self._sha1s[int_index]
883
measured_sha1 = sha_strings(result)
884
if measured_sha1 != expected_sha1:
885
raise errors.WeaveInvalidChecksum(
886
'file %s, revision %s, expected: %s, measured %s'
887
% (self._weave_name, version_id,
888
expected_sha1, measured_sha1))
891
def get_sha1(self, version_id):
892
"""See VersionedFile.get_sha1()."""
893
return self._sha1s[self._lookup(version_id)]
895
def get_sha1s(self, version_ids):
896
"""See VersionedFile.get_sha1s()."""
897
return [self._sha1s[self._lookup(v)] for v in version_ids]
899
@deprecated_method(zero_eight)
489
900
def numversions(self):
901
"""How many versions are in this weave?
903
Deprecated in favour of num_versions.
905
return self.num_versions()
907
def num_versions(self):
908
"""How many versions are in this weave?"""
490
909
l = len(self._parents)
491
910
assert l == len(self._sha1s)
496
return self.numversions()
913
__len__ = num_versions
499
915
def check(self, progress_bar=None):
500
# check no circular inclusions
501
for version in range(self.numversions()):
916
# TODO evaluate performance hit of using string sets in this routine.
917
# TODO: check no circular inclusions
918
# TODO: create a nested progress bar
919
for version in range(self.num_versions()):
502
920
inclusions = list(self._parents[version])
504
922
inclusions.sort()
506
924
raise WeaveFormatError("invalid included version %d for index %d"
507
925
% (inclusions[-1], version))
509
# try extracting all versions; this is a bit slow and parallel
510
# extraction could be used
512
nv = self.numversions()
513
for version in range(nv):
927
# try extracting all versions; parallel extraction is used
928
nv = self.num_versions()
933
# For creating the ancestry, IntSet is much faster (3.7s vs 0.17s)
934
# The problem is that set membership is much more expensive
935
name = self._idx_to_name(i)
936
sha1s[name] = sha.new()
938
new_inc = set([name])
939
for p in self._parents[i]:
940
new_inc.update(inclusions[self._idx_to_name(p)])
942
assert set(new_inc) == set(self.get_ancestry(name)), \
943
'failed %s != %s' % (set(new_inc), set(self.get_ancestry(name)))
944
inclusions[name] = new_inc
946
nlines = len(self._weave)
948
update_text = 'checking weave'
950
short_name = os.path.basename(self._weave_name)
951
update_text = 'checking %s' % (short_name,)
952
update_text = update_text[:25]
954
for lineno, insert, deleteset, line in self._walk_internal():
515
progress_bar.update('checking text', version, nv)
517
for l in self.get_iter(version):
520
expected = self._sha1s[version]
956
progress_bar.update(update_text, lineno, nlines)
958
for name, name_inclusions in inclusions.items():
959
# The active inclusion must be an ancestor,
960
# and no ancestors must have deleted this line,
961
# because we don't support resurrection.
962
if (insert in name_inclusions) and not (deleteset & name_inclusions):
963
sha1s[name].update(line)
966
version = self._idx_to_name(i)
967
hd = sha1s[version].hexdigest()
968
expected = self._sha1s[i]
521
969
if hd != expected:
522
raise WeaveError("mismatched sha1 for version %d; "
523
"got %s, expected %s"
524
% (version, hd, expected))
970
raise errors.WeaveInvalidChecksum(
971
"mismatched sha1 for version %s: "
972
"got %s, expected %s"
973
% (version, hd, expected))
526
975
# TODO: check insertions are properly nested, that there are
527
976
# no lines outside of insertion blocks, that deletions are
528
977
# properly paired, etc.
532
def merge(self, merge_versions):
533
"""Automerge and mark conflicts between versions.
535
This returns a sequence, each entry describing alternatives
536
for a chunk of the file. Each of the alternatives is given as
539
If there is a chunk of the file where there's no diagreement,
540
only one alternative is given.
543
# approach: find the included versions common to all the
545
raise NotImplementedError()
549
def _delta(self, included, lines):
550
"""Return changes from basis to new revision.
552
The old text for comparison is the union of included revisions.
554
This is used in inserting a new text.
556
Delta is returned as a sequence of
557
(weave1, weave2, newlines).
559
This indicates that weave1:weave2 of the old weave should be
560
replaced by the sequence of lines in newlines. Note that
561
these line numbers are positions in the total weave and don't
562
correspond to the lines in any extracted version, or even the
563
extracted union of included versions.
565
If line1=line2, this is a pure insert; if newlines=[] this is a
566
pure delete. (Similar to difflib.)
571
def plan_merge(self, ver_a, ver_b):
572
"""Return pseudo-annotation indicating how the two versions merge.
574
This is computed between versions a and b and their common
577
Weave lines present in none of them are skipped entirely.
579
inc_a = self.inclusions([ver_a])
580
inc_b = self.inclusions([ver_b])
581
inc_c = inc_a & inc_b
583
for lineno, insert, deleteset, line in self._walk():
584
if deleteset & inc_c:
585
# killed in parent; can't be in either a or b
586
# not relevant to our work
587
yield 'killed-base', line
588
elif insert in inc_c:
589
# was inserted in base
590
killed_a = bool(deleteset & inc_a)
591
killed_b = bool(deleteset & inc_b)
592
if killed_a and killed_b:
593
yield 'killed-both', line
595
yield 'killed-a', line
597
yield 'killed-b', line
599
yield 'unchanged', line
600
elif insert in inc_a:
601
if deleteset & inc_a:
602
yield 'ghost-a', line
606
elif insert in inc_b:
607
if deleteset & inc_b:
608
yield 'ghost-b', line
612
# not in either revision
613
yield 'irrelevant', line
615
yield 'unchanged', '' # terminator
619
def weave_merge(self, plan):
624
for state, line in plan:
625
if state == 'unchanged' or state == 'killed-both':
626
# resync and flush queued conflicts changes if any
627
if not lines_a and not lines_b:
629
elif ch_a and not ch_b:
631
for l in lines_a: yield l
632
elif ch_b and not ch_a:
633
for l in lines_b: yield l
634
elif lines_a == lines_b:
635
for l in lines_a: yield l
638
for l in lines_a: yield l
640
for l in lines_b: yield l
647
if state == 'unchanged':
650
elif state == 'killed-a':
653
elif state == 'killed-b':
656
elif state == 'new-a':
659
elif state == 'new-b':
663
assert state in ('irrelevant', 'ghost-a', 'ghost-b', 'killed-base',
674
"""Show some text information about the weave."""
675
print '%6s %40s %20s' % ('ver', 'sha1', 'parents')
676
for i in (6, 40, 20):
979
def _join(self, other, pb, msg, version_ids, ignore_missing):
980
"""Worker routine for join()."""
981
if not other.versions():
982
return # nothing to update, easy
985
# versions is never none, InterWeave checks this.
988
# two loops so that we do not change ourselves before verifying it
990
# work through in index order to make sure we get all dependencies
993
# get the selected versions only that are in other.versions.
994
version_ids = set(other.versions()).intersection(set(version_ids))
995
# pull in the referenced graph.
996
version_ids = other.get_ancestry(version_ids)
997
pending_graph = [(version, other.get_parents(version)) for
998
version in version_ids]
999
for name in topo_sort(pending_graph):
1000
other_idx = other._name_map[name]
1001
# returns True if we have it, False if we need it.
1002
if not self._check_version_consistent(other, other_idx, name):
1003
names_to_join.append((other_idx, name))
1012
for other_idx, name in names_to_join:
1013
# TODO: If all the parents of the other version are already
1014
# present then we can avoid some work by just taking the delta
1015
# and adjusting the offsets.
1016
new_parents = self._imported_parents(other, other_idx)
1017
sha1 = other._sha1s[other_idx]
1022
pb.update(msg, merged, len(names_to_join))
1024
lines = other.get_lines(other_idx)
1025
self._add(name, lines, new_parents, sha1)
1027
mutter("merged = %d, processed = %d, file_id=%s; deltat=%d"%(
1028
merged, processed, self._weave_name, time.time()-time0))
1030
def _imported_parents(self, other, other_idx):
1031
"""Return list of parents in self corresponding to indexes in other."""
1033
for parent_idx in other._parents[other_idx]:
1034
parent_name = other._names[parent_idx]
1035
if parent_name not in self._name_map:
1036
# should not be possible
1037
raise WeaveError("missing parent {%s} of {%s} in %r"
1038
% (parent_name, other._name_map[other_idx], self))
1039
new_parents.append(self._name_map[parent_name])
1042
def _check_version_consistent(self, other, other_idx, name):
1043
"""Check if a version in consistent in this and other.
1045
To be consistent it must have:
1048
* the same direct parents (by name, not index, and disregarding
1051
If present & correct return True;
1052
if not present in self return False;
1053
if inconsistent raise error."""
1054
this_idx = self._name_map.get(name, -1)
1056
if self._sha1s[this_idx] != other._sha1s[other_idx]:
1057
raise errors.WeaveTextDiffers(name, self, other)
1058
self_parents = self._parents[this_idx]
1059
other_parents = other._parents[other_idx]
1060
n1 = set([self._names[i] for i in self_parents])
1061
n2 = set([other._names[i] for i in other_parents])
1062
if not self._compatible_parents(n1, n2):
1063
raise WeaveParentMismatch("inconsistent parents "
1064
"for version {%s}: %s vs %s" % (name, n1, n2))
1070
@deprecated_method(zero_eight)
1071
def reweave(self, other, pb=None, msg=None):
1072
"""reweave has been superseded by plain use of join."""
1073
return self.join(other, pb, msg)
1075
def _reweave(self, other, pb, msg):
1076
"""Reweave self with other - internal helper for join().
1078
:param other: The other weave to merge
1079
:param pb: An optional progress bar, indicating how far done we are
1080
:param msg: An optional message for the progress
1082
new_weave = _reweave(self, other, pb=pb, msg=msg)
1083
self._copy_weave_content(new_weave)
1085
def _copy_weave_content(self, otherweave):
1086
"""adsorb the content from otherweave."""
1087
for attr in self.__slots__:
1088
if attr != '_weave_name':
1089
setattr(self, attr, copy(getattr(otherweave, attr)))
1092
class WeaveFile(Weave):
1093
"""A WeaveFile represents a Weave on disk and writes on change."""
1095
WEAVE_SUFFIX = '.weave'
1097
def __init__(self, name, transport, filemode=None, create=False, access_mode='w'):
1098
"""Create a WeaveFile.
1100
:param create: If not True, only open an existing knit.
1102
super(WeaveFile, self).__init__(name, access_mode)
1103
self._transport = transport
1104
self._filemode = filemode
1106
_read_weave_v5(self._transport.get(name + WeaveFile.WEAVE_SUFFIX), self)
1107
except errors.NoSuchFile:
1113
def _add_lines(self, version_id, parents, lines, parent_texts,
1114
left_matching_blocks=None):
1115
"""Add a version and save the weave."""
1116
self.check_not_reserved_id(version_id)
1117
result = super(WeaveFile, self)._add_lines(version_id, parents, lines,
1122
def _clone_text(self, new_version_id, old_version_id, parents):
1123
"""See VersionedFile.clone_text."""
1124
super(WeaveFile, self)._clone_text(new_version_id, old_version_id, parents)
1127
def copy_to(self, name, transport):
1128
"""See VersionedFile.copy_to()."""
1129
# as we are all in memory always, just serialise to the new place.
1131
write_weave_v5(self, sio)
1133
transport.put_file(name + WeaveFile.WEAVE_SUFFIX, sio, self._filemode)
1135
def create_empty(self, name, transport, filemode=None):
1136
return WeaveFile(name, transport, filemode, create=True)
1139
"""Save the weave."""
1140
self._check_write_ok()
1142
write_weave_v5(self, sio)
1144
self._transport.put_file(self._weave_name + WeaveFile.WEAVE_SUFFIX,
1150
"""See VersionedFile.get_suffixes()."""
1151
return [WeaveFile.WEAVE_SUFFIX]
1153
def join(self, other, pb=None, msg=None, version_ids=None,
1154
ignore_missing=False):
1155
"""Join other into self and save."""
1156
super(WeaveFile, self).join(other, pb, msg, version_ids, ignore_missing)
1160
@deprecated_function(zero_eight)
1161
def reweave(wa, wb, pb=None, msg=None):
1162
"""reweaving is deprecation, please just use weave.join()."""
1163
_reweave(wa, wb, pb, msg)
1165
def _reweave(wa, wb, pb=None, msg=None):
1166
"""Combine two weaves and return the result.
1168
This works even if a revision R has different parents in
1169
wa and wb. In the resulting weave all the parents are given.
1171
This is done by just building up a new weave, maintaining ordering
1172
of the versions in the two inputs. More efficient approaches
1173
might be possible but it should only be necessary to do
1174
this operation rarely, when a new previously ghost version is
1177
:param pb: An optional progress bar, indicating how far done we are
1178
:param msg: An optional message for the progress
1182
queue_a = range(wa.num_versions())
1183
queue_b = range(wb.num_versions())
1184
# first determine combined parents of all versions
1185
# map from version name -> all parent names
1186
combined_parents = _reweave_parent_graphs(wa, wb)
1187
mutter("combined parents: %r", combined_parents)
1188
order = topo_sort(combined_parents.iteritems())
1189
mutter("order to reweave: %r", order)
1194
for idx, name in enumerate(order):
1196
pb.update(msg, idx, len(order))
1197
if name in wa._name_map:
1198
lines = wa.get_lines(name)
1199
if name in wb._name_map:
1200
lines_b = wb.get_lines(name)
1201
if lines != lines_b:
1202
mutter('Weaves differ on content. rev_id {%s}', name)
1203
mutter('weaves: %s, %s', wa._weave_name, wb._weave_name)
1205
lines = list(difflib.unified_diff(lines, lines_b,
1206
wa._weave_name, wb._weave_name))
1207
mutter('lines:\n%s', ''.join(lines))
1208
raise errors.WeaveTextDiffers(name, wa, wb)
1210
lines = wb.get_lines(name)
1211
wr._add(name, lines, [wr._lookup(i) for i in combined_parents[name]])
1214
def _reweave_parent_graphs(wa, wb):
1215
"""Return combined parent ancestry for two weaves.
1217
Returned as a list of (version_name, set(parent_names))"""
1219
for weave in [wa, wb]:
1220
for idx, name in enumerate(weave._names):
1221
p = combined.setdefault(name, set())
1222
p.update(map(weave._idx_to_name, weave._parents[idx]))
1227
"""Show the weave's table-of-contents"""
1228
print '%6s %50s %10s %10s' % ('ver', 'name', 'sha1', 'parents')
1229
for i in (6, 50, 10, 10):
679
for i in range(w.numversions()):
1232
for i in range(w.num_versions()):
680
1233
sha1 = w._sha1s[i]
681
print '%6d %40s %s' % (i, sha1, ' '.join(map(str, w._parents[i])))
685
def weave_stats(weave_file):
686
from bzrlib.progress import ProgressBar
1235
parent_str = ' '.join(map(str, w._parents[i]))
1236
print '%6d %-50.50s %10.10s %s' % (i, name, sha1, parent_str)
1240
def weave_stats(weave_file, pb):
687
1241
from bzrlib.weavefile import read_weave
691
1243
wf = file(weave_file, 'rb')
692
1244
w = read_weave(wf)
693
1245
# FIXME: doesn't work on pipes