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
if self.reserved_id(name):
251
raise errors.ReservedId(name)
253
return self._name_map[name]
255
raise RevisionNotPresent(name, self._weave_name)
257
@deprecated_method(zero_eight)
258
def iter_names(self):
259
"""Deprecated convenience function, please see VersionedFile.names()."""
260
return iter(self.names())
262
@deprecated_method(zero_eight)
264
"""See Weave.versions for the current api."""
265
return self.versions()
268
"""See VersionedFile.versions."""
269
return self._names[:]
271
def has_version(self, version_id):
272
"""See VersionedFile.has_version."""
273
return (version_id in self._name_map)
275
__contains__ = has_version
277
def get_delta(self, version_id):
278
"""See VersionedFile.get_delta."""
279
return self.get_deltas([version_id])[version_id]
281
def get_deltas(self, version_ids):
282
"""See VersionedFile.get_deltas."""
283
version_ids = self.get_ancestry(version_ids)
284
for version_id in version_ids:
285
if not self.has_version(version_id):
286
raise RevisionNotPresent(version_id, self)
287
# try extracting all versions; parallel extraction is used
288
nv = self.num_versions()
294
last_parent_lines = {}
296
parent_inclusions = {}
301
# its simplest to generate a full set of prepared variables.
303
name = self._names[i]
304
sha1s[name] = self.get_sha1(name)
305
parents_list = self.get_parents(name)
307
parent = parents_list[0]
308
parents[name] = parent
309
parent_inclusions[name] = inclusions[parent]
312
parent_inclusions[name] = set()
313
# we want to emit start, finish, replacement_length, replacement_lines tuples.
314
diff_hunks[name] = []
315
current_hunks[name] = [0, 0, 0, []] # #start, finish, repl_length, repl_tuples
316
parent_linenums[name] = 0
318
parent_noeols[name] = False
319
last_parent_lines[name] = None
320
new_inc = set([name])
321
for p in self._parents[i]:
322
new_inc.update(inclusions[self._idx_to_name(p)])
323
# debug only, known good so far.
324
#assert set(new_inc) == set(self.get_ancestry(name)), \
325
# 'failed %s != %s' % (set(new_inc), set(self.get_ancestry(name)))
326
inclusions[name] = new_inc
328
nlines = len(self._weave)
330
for lineno, inserted, deletes, line in self._walk_internal():
331
# a line is active in a version if:
332
# insert is in the versions inclusions
334
# deleteset & the versions inclusions is an empty set.
335
# so - if we have a included by mapping - version is included by
336
# children, we get a list of children to examine for deletes affect
337
# ing them, which is less than the entire set of children.
338
for version_id in version_ids:
339
# The active inclusion must be an ancestor,
340
# and no ancestors must have deleted this line,
341
# because we don't support resurrection.
342
parent_inclusion = parent_inclusions[version_id]
343
inclusion = inclusions[version_id]
344
parent_active = inserted in parent_inclusion and not (deletes & parent_inclusion)
345
version_active = inserted in inclusion and not (deletes & inclusion)
346
if not parent_active and not version_active:
347
# unrelated line of ancestry
349
elif parent_active and version_active:
351
parent_linenum = parent_linenums[version_id]
352
if current_hunks[version_id] != [parent_linenum, parent_linenum, 0, []]:
353
diff_hunks[version_id].append(tuple(current_hunks[version_id]))
355
current_hunks[version_id] = [parent_linenum, parent_linenum, 0, []]
356
parent_linenums[version_id] = parent_linenum
359
noeols[version_id] = True
362
elif parent_active and not version_active:
364
current_hunks[version_id][1] += 1
365
parent_linenums[version_id] += 1
366
last_parent_lines[version_id] = line
367
elif not parent_active and version_active:
369
# noeol only occurs at the end of a file because we
370
# diff linewise. We want to show noeol changes as a
371
# empty diff unless the actual eol-less content changed.
374
if last_parent_lines[version_id][-1] != '\n':
375
parent_noeols[version_id] = True
376
except (TypeError, IndexError):
379
if theline[-1] != '\n':
380
noeols[version_id] = True
384
parent_should_go = False
386
if parent_noeols[version_id] == noeols[version_id]:
387
# no noeol toggle, so trust the weaves statement
388
# that this line is changed.
390
if parent_noeols[version_id]:
391
theline = theline + '\n'
392
elif parent_noeols[version_id]:
393
# parent has no eol, we do:
394
# our line is new, report as such..
396
elif noeols[version_id]:
397
# append a eol so that it looks like
399
theline = theline + '\n'
400
if parents[version_id] is not None:
401
#if last_parent_lines[version_id] is not None:
402
parent_should_go = True
403
if last_parent_lines[version_id] != theline:
406
#parent_should_go = False
408
current_hunks[version_id][2] += 1
409
current_hunks[version_id][3].append((inserted, theline))
411
# last hunk last parent line is not eaten
412
current_hunks[version_id][1] -= 1
413
if current_hunks[version_id][1] < 0:
414
current_hunks[version_id][1] = 0
415
# import pdb;pdb.set_trace()
416
# assert current_hunks[version_id][1] >= 0
420
version = self._idx_to_name(i)
421
if current_hunks[version] != [0, 0, 0, []]:
422
diff_hunks[version].append(tuple(current_hunks[version]))
424
for version_id in version_ids:
425
result[version_id] = (
429
diff_hunks[version_id],
433
def get_parents(self, version_id):
434
"""See VersionedFile.get_parent."""
435
return map(self._idx_to_name, self._parents[self._lookup(version_id)])
437
def _check_repeated_add(self, name, parents, text, sha1):
438
"""Check that a duplicated add is OK.
440
If it is, return the (old) index; otherwise raise an exception.
442
idx = self._lookup(name)
443
if sorted(self._parents[idx]) != sorted(parents) \
444
or sha1 != self._sha1s[idx]:
445
raise RevisionAlreadyPresent(name, self._weave_name)
448
@deprecated_method(zero_eight)
449
def add_identical(self, old_rev_id, new_rev_id, parents):
450
"""Please use Weave.clone_text now."""
451
return self.clone_text(new_rev_id, old_rev_id, parents)
453
def _add_lines(self, version_id, parents, lines, parent_texts):
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)
850
assert l.__class__ in (str, unicode)
447
851
if isactive is None:
448
852
isactive = (not dset) and istack and (istack[-1] in included)
450
854
result.append((istack[-1], lineno, l))
454
raise WFE("unclosed insertion blocks at end of weave",
857
raise WeaveFormatError("unclosed insertion blocks "
858
"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)
860
raise WeaveFormatError("unclosed deletion blocks at end of weave: %s"
864
@deprecated_method(zero_eight)
865
def get_iter(self, name_or_index):
866
"""Deprecated, please do not use. Lookups are not not needed.
868
Please use get_lines now.
870
return iter(self.get_lines(self._maybe_lookup(name_or_index)))
872
@deprecated_method(zero_eight)
873
def maybe_lookup(self, name_or_index):
874
"""Deprecated, please do not use. Lookups are not not needed."""
875
return self._maybe_lookup(name_or_index)
877
def _maybe_lookup(self, name_or_index):
878
"""Convert possible symbolic name to index, or pass through indexes.
882
if isinstance(name_or_index, (int, long)):
885
return self._lookup(name_or_index)
887
@deprecated_method(zero_eight)
888
def get(self, version_id):
889
"""Please use either Weave.get_text or Weave.get_lines as desired."""
890
return self.get_lines(version_id)
892
def get_lines(self, version_id):
893
"""See VersionedFile.get_lines()."""
894
int_index = self._maybe_lookup(version_id)
895
result = [line for (origin, lineno, line) in self._extract([int_index])]
896
expected_sha1 = self._sha1s[int_index]
897
measured_sha1 = sha_strings(result)
898
if measured_sha1 != expected_sha1:
899
raise errors.WeaveInvalidChecksum(
900
'file %s, revision %s, expected: %s, measured %s'
901
% (self._weave_name, version_id,
902
expected_sha1, measured_sha1))
905
def get_sha1(self, version_id):
906
"""See VersionedFile.get_sha1()."""
907
return self._sha1s[self._lookup(version_id)]
909
@deprecated_method(zero_eight)
489
910
def numversions(self):
911
"""How many versions are in this weave?
913
Deprecated in favour of num_versions.
915
return self.num_versions()
917
def num_versions(self):
918
"""How many versions are in this weave?"""
490
919
l = len(self._parents)
491
920
assert l == len(self._sha1s)
496
return self.numversions()
923
__len__ = num_versions
499
925
def check(self, progress_bar=None):
500
# check no circular inclusions
501
for version in range(self.numversions()):
926
# TODO evaluate performance hit of using string sets in this routine.
927
# TODO: check no circular inclusions
928
# TODO: create a nested progress bar
929
for version in range(self.num_versions()):
502
930
inclusions = list(self._parents[version])
504
932
inclusions.sort()
506
934
raise WeaveFormatError("invalid included version %d for index %d"
507
935
% (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):
937
# try extracting all versions; parallel extraction is used
938
nv = self.num_versions()
943
# For creating the ancestry, IntSet is much faster (3.7s vs 0.17s)
944
# The problem is that set membership is much more expensive
945
name = self._idx_to_name(i)
946
sha1s[name] = sha.new()
948
new_inc = set([name])
949
for p in self._parents[i]:
950
new_inc.update(inclusions[self._idx_to_name(p)])
952
assert set(new_inc) == set(self.get_ancestry(name)), \
953
'failed %s != %s' % (set(new_inc), set(self.get_ancestry(name)))
954
inclusions[name] = new_inc
956
nlines = len(self._weave)
958
update_text = 'checking weave'
960
short_name = os.path.basename(self._weave_name)
961
update_text = 'checking %s' % (short_name,)
962
update_text = update_text[:25]
964
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]
966
progress_bar.update(update_text, lineno, nlines)
968
for name, name_inclusions in inclusions.items():
969
# The active inclusion must be an ancestor,
970
# and no ancestors must have deleted this line,
971
# because we don't support resurrection.
972
if (insert in name_inclusions) and not (deleteset & name_inclusions):
973
sha1s[name].update(line)
976
version = self._idx_to_name(i)
977
hd = sha1s[version].hexdigest()
978
expected = self._sha1s[i]
521
979
if hd != expected:
522
raise WeaveError("mismatched sha1 for version %d; "
523
"got %s, expected %s"
524
% (version, hd, expected))
980
raise errors.WeaveInvalidChecksum(
981
"mismatched sha1 for version %s: "
982
"got %s, expected %s"
983
% (version, hd, expected))
526
985
# TODO: check insertions are properly nested, that there are
527
986
# no lines outside of insertion blocks, that deletions are
528
987
# 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):
989
def _join(self, other, pb, msg, version_ids, ignore_missing):
990
"""Worker routine for join()."""
991
if not other.versions():
992
return # nothing to update, easy
995
# versions is never none, InterWeave checks this.
998
# two loops so that we do not change ourselves before verifying it
1000
# work through in index order to make sure we get all dependencies
1003
# get the selected versions only that are in other.versions.
1004
version_ids = set(other.versions()).intersection(set(version_ids))
1005
# pull in the referenced graph.
1006
version_ids = other.get_ancestry(version_ids)
1007
pending_graph = [(version, other.get_parents(version)) for
1008
version in version_ids]
1009
for name in topo_sort(pending_graph):
1010
other_idx = other._name_map[name]
1011
# returns True if we have it, False if we need it.
1012
if not self._check_version_consistent(other, other_idx, name):
1013
names_to_join.append((other_idx, name))
1022
for other_idx, name in names_to_join:
1023
# TODO: If all the parents of the other version are already
1024
# present then we can avoid some work by just taking the delta
1025
# and adjusting the offsets.
1026
new_parents = self._imported_parents(other, other_idx)
1027
sha1 = other._sha1s[other_idx]
1032
pb.update(msg, merged, len(names_to_join))
1034
lines = other.get_lines(other_idx)
1035
self._add(name, lines, new_parents, sha1)
1037
mutter("merged = %d, processed = %d, file_id=%s; deltat=%d"%(
1038
merged, processed, self._weave_name, time.time()-time0))
1040
def _imported_parents(self, other, other_idx):
1041
"""Return list of parents in self corresponding to indexes in other."""
1043
for parent_idx in other._parents[other_idx]:
1044
parent_name = other._names[parent_idx]
1045
if parent_name not in self._name_map:
1046
# should not be possible
1047
raise WeaveError("missing parent {%s} of {%s} in %r"
1048
% (parent_name, other._name_map[other_idx], self))
1049
new_parents.append(self._name_map[parent_name])
1052
def _check_version_consistent(self, other, other_idx, name):
1053
"""Check if a version in consistent in this and other.
1055
To be consistent it must have:
1058
* the same direct parents (by name, not index, and disregarding
1061
If present & correct return True;
1062
if not present in self return False;
1063
if inconsistent raise error."""
1064
this_idx = self._name_map.get(name, -1)
1066
if self._sha1s[this_idx] != other._sha1s[other_idx]:
1067
raise errors.WeaveTextDiffers(name, self, other)
1068
self_parents = self._parents[this_idx]
1069
other_parents = other._parents[other_idx]
1070
n1 = set([self._names[i] for i in self_parents])
1071
n2 = set([other._names[i] for i in other_parents])
1072
if not self._compatible_parents(n1, n2):
1073
raise WeaveParentMismatch("inconsistent parents "
1074
"for version {%s}: %s vs %s" % (name, n1, n2))
1080
@deprecated_method(zero_eight)
1081
def reweave(self, other, pb=None, msg=None):
1082
"""reweave has been superseded by plain use of join."""
1083
return self.join(other, pb, msg)
1085
def _reweave(self, other, pb, msg):
1086
"""Reweave self with other - internal helper for join().
1088
:param other: The other weave to merge
1089
:param pb: An optional progress bar, indicating how far done we are
1090
:param msg: An optional message for the progress
1092
new_weave = _reweave(self, other, pb=pb, msg=msg)
1093
self._copy_weave_content(new_weave)
1095
def _copy_weave_content(self, otherweave):
1096
"""adsorb the content from otherweave."""
1097
for attr in self.__slots__:
1098
if attr != '_weave_name':
1099
setattr(self, attr, copy(getattr(otherweave, attr)))
1102
class WeaveFile(Weave):
1103
"""A WeaveFile represents a Weave on disk and writes on change."""
1105
WEAVE_SUFFIX = '.weave'
1107
def __init__(self, name, transport, filemode=None, create=False, access_mode='w'):
1108
"""Create a WeaveFile.
1110
:param create: If not True, only open an existing knit.
1112
super(WeaveFile, self).__init__(name, access_mode)
1113
self._transport = transport
1114
self._filemode = filemode
1116
_read_weave_v5(self._transport.get(name + WeaveFile.WEAVE_SUFFIX), self)
1117
except errors.NoSuchFile:
1123
def _add_lines(self, version_id, parents, lines, parent_texts):
1124
"""Add a version and save the weave."""
1125
if self.reserved_id(version_id):
1126
raise errors.ReservedId(version_id)
1127
result = super(WeaveFile, self)._add_lines(version_id, parents, lines,
1132
def _clone_text(self, new_version_id, old_version_id, parents):
1133
"""See VersionedFile.clone_text."""
1134
super(WeaveFile, self)._clone_text(new_version_id, old_version_id, parents)
1137
def copy_to(self, name, transport):
1138
"""See VersionedFile.copy_to()."""
1139
# as we are all in memory always, just serialise to the new place.
1141
write_weave_v5(self, sio)
1143
transport.put_file(name + WeaveFile.WEAVE_SUFFIX, sio, self._filemode)
1145
def create_empty(self, name, transport, filemode=None):
1146
return WeaveFile(name, transport, filemode, create=True)
1149
"""Save the weave."""
1150
self._check_write_ok()
1152
write_weave_v5(self, sio)
1154
self._transport.put_file(self._weave_name + WeaveFile.WEAVE_SUFFIX,
1160
"""See VersionedFile.get_suffixes()."""
1161
return [WeaveFile.WEAVE_SUFFIX]
1163
def join(self, other, pb=None, msg=None, version_ids=None,
1164
ignore_missing=False):
1165
"""Join other into self and save."""
1166
super(WeaveFile, self).join(other, pb, msg, version_ids, ignore_missing)
1170
@deprecated_function(zero_eight)
1171
def reweave(wa, wb, pb=None, msg=None):
1172
"""reweaving is deprecation, please just use weave.join()."""
1173
_reweave(wa, wb, pb, msg)
1175
def _reweave(wa, wb, pb=None, msg=None):
1176
"""Combine two weaves and return the result.
1178
This works even if a revision R has different parents in
1179
wa and wb. In the resulting weave all the parents are given.
1181
This is done by just building up a new weave, maintaining ordering
1182
of the versions in the two inputs. More efficient approaches
1183
might be possible but it should only be necessary to do
1184
this operation rarely, when a new previously ghost version is
1187
:param pb: An optional progress bar, indicating how far done we are
1188
:param msg: An optional message for the progress
1192
queue_a = range(wa.num_versions())
1193
queue_b = range(wb.num_versions())
1194
# first determine combined parents of all versions
1195
# map from version name -> all parent names
1196
combined_parents = _reweave_parent_graphs(wa, wb)
1197
mutter("combined parents: %r", combined_parents)
1198
order = topo_sort(combined_parents.iteritems())
1199
mutter("order to reweave: %r", order)
1204
for idx, name in enumerate(order):
1206
pb.update(msg, idx, len(order))
1207
if name in wa._name_map:
1208
lines = wa.get_lines(name)
1209
if name in wb._name_map:
1210
lines_b = wb.get_lines(name)
1211
if lines != lines_b:
1212
mutter('Weaves differ on content. rev_id {%s}', name)
1213
mutter('weaves: %s, %s', wa._weave_name, wb._weave_name)
1215
lines = list(difflib.unified_diff(lines, lines_b,
1216
wa._weave_name, wb._weave_name))
1217
mutter('lines:\n%s', ''.join(lines))
1218
raise errors.WeaveTextDiffers(name, wa, wb)
1220
lines = wb.get_lines(name)
1221
wr._add(name, lines, [wr._lookup(i) for i in combined_parents[name]])
1224
def _reweave_parent_graphs(wa, wb):
1225
"""Return combined parent ancestry for two weaves.
1227
Returned as a list of (version_name, set(parent_names))"""
1229
for weave in [wa, wb]:
1230
for idx, name in enumerate(weave._names):
1231
p = combined.setdefault(name, set())
1232
p.update(map(weave._idx_to_name, weave._parents[idx]))
1237
"""Show the weave's table-of-contents"""
1238
print '%6s %50s %10s %10s' % ('ver', 'name', 'sha1', 'parents')
1239
for i in (6, 50, 10, 10):
679
for i in range(w.numversions()):
1242
for i in range(w.num_versions()):
680
1243
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
1245
parent_str = ' '.join(map(str, w._parents[i]))
1246
print '%6d %-50.50s %10.10s %s' % (i, name, sha1, parent_str)
1250
def weave_stats(weave_file, pb):
687
1251
from bzrlib.weavefile import read_weave
691
1253
wf = file(weave_file, 'rb')
692
1254
w = read_weave(wf)
693
1255
# FIXME: doesn't work on pipes