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."""
251
return self._name_map[name]
253
raise RevisionNotPresent(name, self._weave_name)
255
@deprecated_method(zero_eight)
256
def iter_names(self):
257
"""Deprecated convenience function, please see VersionedFile.names()."""
258
return iter(self.names())
260
@deprecated_method(zero_eight)
262
"""See Weave.versions for the current api."""
263
return self.versions()
266
"""See VersionedFile.versions."""
267
return self._names[:]
269
def has_version(self, version_id):
270
"""See VersionedFile.has_version."""
271
return (version_id in self._name_map)
273
__contains__ = has_version
275
def get_delta(self, version_id):
276
"""See VersionedFile.get_delta."""
277
return self.get_deltas([version_id])[version_id]
279
def get_deltas(self, version_ids):
280
"""See VersionedFile.get_deltas."""
281
version_ids = self.get_ancestry(version_ids)
282
for version_id in version_ids:
283
if not self.has_version(version_id):
284
raise RevisionNotPresent(version_id, self)
285
# try extracting all versions; parallel extraction is used
286
nv = self.num_versions()
292
last_parent_lines = {}
294
parent_inclusions = {}
299
# its simplest to generate a full set of prepared variables.
301
name = self._names[i]
302
sha1s[name] = self.get_sha1(name)
303
parents_list = self.get_parents(name)
305
parent = parents_list[0]
306
parents[name] = parent
307
parent_inclusions[name] = inclusions[parent]
310
parent_inclusions[name] = set()
311
# we want to emit start, finish, replacement_length, replacement_lines tuples.
312
diff_hunks[name] = []
313
current_hunks[name] = [0, 0, 0, []] # #start, finish, repl_length, repl_tuples
314
parent_linenums[name] = 0
316
parent_noeols[name] = False
317
last_parent_lines[name] = None
318
new_inc = set([name])
319
for p in self._parents[i]:
320
new_inc.update(inclusions[self._idx_to_name(p)])
321
# debug only, known good so far.
322
#assert set(new_inc) == set(self.get_ancestry(name)), \
323
# 'failed %s != %s' % (set(new_inc), set(self.get_ancestry(name)))
324
inclusions[name] = new_inc
326
nlines = len(self._weave)
328
for lineno, inserted, deletes, line in self._walk_internal():
329
# a line is active in a version if:
330
# insert is in the versions inclusions
332
# deleteset & the versions inclusions is an empty set.
333
# so - if we have a included by mapping - version is included by
334
# children, we get a list of children to examine for deletes affect
335
# ing them, which is less than the entire set of children.
336
for version_id in version_ids:
337
# The active inclusion must be an ancestor,
338
# and no ancestors must have deleted this line,
339
# because we don't support resurrection.
340
parent_inclusion = parent_inclusions[version_id]
341
inclusion = inclusions[version_id]
342
parent_active = inserted in parent_inclusion and not (deletes & parent_inclusion)
343
version_active = inserted in inclusion and not (deletes & inclusion)
344
if not parent_active and not version_active:
345
# unrelated line of ancestry
347
elif parent_active and version_active:
349
parent_linenum = parent_linenums[version_id]
350
if current_hunks[version_id] != [parent_linenum, parent_linenum, 0, []]:
351
diff_hunks[version_id].append(tuple(current_hunks[version_id]))
353
current_hunks[version_id] = [parent_linenum, parent_linenum, 0, []]
354
parent_linenums[version_id] = parent_linenum
357
noeols[version_id] = True
360
elif parent_active and not version_active:
362
current_hunks[version_id][1] += 1
363
parent_linenums[version_id] += 1
364
last_parent_lines[version_id] = line
365
elif not parent_active and version_active:
367
# noeol only occurs at the end of a file because we
368
# diff linewise. We want to show noeol changes as a
369
# empty diff unless the actual eol-less content changed.
372
if last_parent_lines[version_id][-1] != '\n':
373
parent_noeols[version_id] = True
374
except (TypeError, IndexError):
377
if theline[-1] != '\n':
378
noeols[version_id] = True
382
parent_should_go = False
384
if parent_noeols[version_id] == noeols[version_id]:
385
# no noeol toggle, so trust the weaves statement
386
# that this line is changed.
388
if parent_noeols[version_id]:
389
theline = theline + '\n'
390
elif parent_noeols[version_id]:
391
# parent has no eol, we do:
392
# our line is new, report as such..
394
elif noeols[version_id]:
395
# append a eol so that it looks like
397
theline = theline + '\n'
398
if parents[version_id] is not None:
399
#if last_parent_lines[version_id] is not None:
400
parent_should_go = True
401
if last_parent_lines[version_id] != theline:
404
#parent_should_go = False
406
current_hunks[version_id][2] += 1
407
current_hunks[version_id][3].append((inserted, theline))
409
# last hunk last parent line is not eaten
410
current_hunks[version_id][1] -= 1
411
if current_hunks[version_id][1] < 0:
412
current_hunks[version_id][1] = 0
413
# import pdb;pdb.set_trace()
414
# assert current_hunks[version_id][1] >= 0
418
version = self._idx_to_name(i)
419
if current_hunks[version] != [0, 0, 0, []]:
420
diff_hunks[version].append(tuple(current_hunks[version]))
422
for version_id in version_ids:
423
result[version_id] = (
427
diff_hunks[version_id],
431
def get_parents(self, version_id):
432
"""See VersionedFile.get_parent."""
433
return map(self._idx_to_name, self._parents[self._lookup(version_id)])
435
def _check_repeated_add(self, name, parents, text, sha1):
436
"""Check that a duplicated add is OK.
438
If it is, return the (old) index; otherwise raise an exception.
440
idx = self._lookup(name)
441
if sorted(self._parents[idx]) != sorted(parents) \
442
or sha1 != self._sha1s[idx]:
443
raise RevisionAlreadyPresent(name, self._weave_name)
446
@deprecated_method(zero_eight)
447
def add_identical(self, old_rev_id, new_rev_id, parents):
448
"""Please use Weave.clone_text now."""
449
return self.clone_text(new_rev_id, old_rev_id, parents)
451
def _add_lines(self, version_id, parents, lines, parent_texts):
452
"""See VersionedFile.add_lines."""
453
return self._add(version_id, lines, map(self._lookup, parents))
455
@deprecated_method(zero_eight)
456
def add(self, name, parents, text, sha1=None):
457
"""See VersionedFile.add_lines for the non deprecated api."""
458
return self._add(name, text, map(self._maybe_lookup, parents), sha1)
460
def _add(self, version_id, lines, parents, sha1=None):
186
461
"""Add a single text on top of the weave.
188
463
Returns the index number of the newly added version.
466
Symbolic name for this version.
467
(Typically the revision-id of the revision that added it.)
191
470
List or set of direct parent version numbers.
194
Sequence of lines to be added in the new version."""
473
Sequence of lines to be added in the new version.
476
assert isinstance(version_id, basestring)
477
self._check_lines_not_unicode(lines)
478
self._check_lines_are_lines(lines)
480
sha1 = sha_strings(lines)
481
if version_id in self._name_map:
482
return self._check_repeated_add(version_id, parents, lines, sha1)
196
484
self._check_versions(parents)
197
## self._check_lines(text)
485
## self._check_lines(lines)
198
486
new_version = len(self._parents)
206
# if we abort after here the weave will be corrupt
207
self._parents.append(frozenset(parents))
488
# if we abort after here the (in-memory) weave will be corrupt because only
489
# some fields are updated
490
# XXX: FIXME implement a succeed-or-fail of the rest of this routine.
491
# - Robert Collins 20060226
492
self._parents.append(parents[:])
208
493
self._sha1s.append(sha1)
494
self._names.append(version_id)
495
self._name_map[version_id] = new_version
446
assert isinstance(l, basestring)
848
assert l.__class__ in (str, unicode)
447
849
if isactive is None:
448
850
isactive = (not dset) and istack and (istack[-1] in included)
450
852
result.append((istack[-1], lineno, l))
454
raise WFE("unclosed insertion blocks at end of weave",
855
raise WeaveFormatError("unclosed insertion blocks "
856
"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)
858
raise WeaveFormatError("unclosed deletion blocks at end of weave: %s"
862
@deprecated_method(zero_eight)
863
def get_iter(self, name_or_index):
864
"""Deprecated, please do not use. Lookups are not not needed.
866
Please use get_lines now.
868
return iter(self.get_lines(self._maybe_lookup(name_or_index)))
870
@deprecated_method(zero_eight)
871
def maybe_lookup(self, name_or_index):
872
"""Deprecated, please do not use. Lookups are not not needed."""
873
return self._maybe_lookup(name_or_index)
875
def _maybe_lookup(self, name_or_index):
876
"""Convert possible symbolic name to index, or pass through indexes.
880
if isinstance(name_or_index, (int, long)):
883
return self._lookup(name_or_index)
885
@deprecated_method(zero_eight)
886
def get(self, version_id):
887
"""Please use either Weave.get_text or Weave.get_lines as desired."""
888
return self.get_lines(version_id)
890
def get_lines(self, version_id):
891
"""See VersionedFile.get_lines()."""
892
int_index = self._maybe_lookup(version_id)
893
result = [line for (origin, lineno, line) in self._extract([int_index])]
894
expected_sha1 = self._sha1s[int_index]
895
measured_sha1 = sha_strings(result)
896
if measured_sha1 != expected_sha1:
897
raise errors.WeaveInvalidChecksum(
898
'file %s, revision %s, expected: %s, measured %s'
899
% (self._weave_name, version_id,
900
expected_sha1, measured_sha1))
903
def get_sha1(self, version_id):
904
"""See VersionedFile.get_sha1()."""
905
return self._sha1s[self._lookup(version_id)]
907
@deprecated_method(zero_eight)
489
908
def numversions(self):
909
"""How many versions are in this weave?
911
Deprecated in favour of num_versions.
913
return self.num_versions()
915
def num_versions(self):
916
"""How many versions are in this weave?"""
490
917
l = len(self._parents)
491
918
assert l == len(self._sha1s)
496
return self.numversions()
921
__len__ = num_versions
499
923
def check(self, progress_bar=None):
500
# check no circular inclusions
501
for version in range(self.numversions()):
924
# TODO evaluate performance hit of using string sets in this routine.
925
# TODO: check no circular inclusions
926
# TODO: create a nested progress bar
927
for version in range(self.num_versions()):
502
928
inclusions = list(self._parents[version])
504
930
inclusions.sort()
506
932
raise WeaveFormatError("invalid included version %d for index %d"
507
933
% (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):
935
# try extracting all versions; parallel extraction is used
936
nv = self.num_versions()
941
# For creating the ancestry, IntSet is much faster (3.7s vs 0.17s)
942
# The problem is that set membership is much more expensive
943
name = self._idx_to_name(i)
944
sha1s[name] = sha.new()
946
new_inc = set([name])
947
for p in self._parents[i]:
948
new_inc.update(inclusions[self._idx_to_name(p)])
950
assert set(new_inc) == set(self.get_ancestry(name)), \
951
'failed %s != %s' % (set(new_inc), set(self.get_ancestry(name)))
952
inclusions[name] = new_inc
954
nlines = len(self._weave)
956
update_text = 'checking weave'
958
short_name = os.path.basename(self._weave_name)
959
update_text = 'checking %s' % (short_name,)
960
update_text = update_text[:25]
962
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]
964
progress_bar.update(update_text, lineno, nlines)
966
for name, name_inclusions in inclusions.items():
967
# The active inclusion must be an ancestor,
968
# and no ancestors must have deleted this line,
969
# because we don't support resurrection.
970
if (insert in name_inclusions) and not (deleteset & name_inclusions):
971
sha1s[name].update(line)
974
version = self._idx_to_name(i)
975
hd = sha1s[version].hexdigest()
976
expected = self._sha1s[i]
521
977
if hd != expected:
522
raise WeaveError("mismatched sha1 for version %d; "
523
"got %s, expected %s"
524
% (version, hd, expected))
978
raise errors.WeaveInvalidChecksum(
979
"mismatched sha1 for version %s: "
980
"got %s, expected %s"
981
% (version, hd, expected))
526
983
# TODO: check insertions are properly nested, that there are
527
984
# no lines outside of insertion blocks, that deletions are
528
985
# 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):
987
def _join(self, other, pb, msg, version_ids, ignore_missing):
988
"""Worker routine for join()."""
989
if not other.versions():
990
return # nothing to update, easy
993
# versions is never none, InterWeave checks this.
996
# two loops so that we do not change ourselves before verifying it
998
# work through in index order to make sure we get all dependencies
1001
# get the selected versions only that are in other.versions.
1002
version_ids = set(other.versions()).intersection(set(version_ids))
1003
# pull in the referenced graph.
1004
version_ids = other.get_ancestry(version_ids)
1005
pending_graph = [(version, other.get_parents(version)) for
1006
version in version_ids]
1007
for name in topo_sort(pending_graph):
1008
other_idx = other._name_map[name]
1009
# returns True if we have it, False if we need it.
1010
if not self._check_version_consistent(other, other_idx, name):
1011
names_to_join.append((other_idx, name))
1020
for other_idx, name in names_to_join:
1021
# TODO: If all the parents of the other version are already
1022
# present then we can avoid some work by just taking the delta
1023
# and adjusting the offsets.
1024
new_parents = self._imported_parents(other, other_idx)
1025
sha1 = other._sha1s[other_idx]
1030
pb.update(msg, merged, len(names_to_join))
1032
lines = other.get_lines(other_idx)
1033
self._add(name, lines, new_parents, sha1)
1035
mutter("merged = %d, processed = %d, file_id=%s; deltat=%d"%(
1036
merged, processed, self._weave_name, time.time()-time0))
1038
def _imported_parents(self, other, other_idx):
1039
"""Return list of parents in self corresponding to indexes in other."""
1041
for parent_idx in other._parents[other_idx]:
1042
parent_name = other._names[parent_idx]
1043
if parent_name not in self._name_map:
1044
# should not be possible
1045
raise WeaveError("missing parent {%s} of {%s} in %r"
1046
% (parent_name, other._name_map[other_idx], self))
1047
new_parents.append(self._name_map[parent_name])
1050
def _check_version_consistent(self, other, other_idx, name):
1051
"""Check if a version in consistent in this and other.
1053
To be consistent it must have:
1056
* the same direct parents (by name, not index, and disregarding
1059
If present & correct return True;
1060
if not present in self return False;
1061
if inconsistent raise error."""
1062
this_idx = self._name_map.get(name, -1)
1064
if self._sha1s[this_idx] != other._sha1s[other_idx]:
1065
raise errors.WeaveTextDiffers(name, self, other)
1066
self_parents = self._parents[this_idx]
1067
other_parents = other._parents[other_idx]
1068
n1 = set([self._names[i] for i in self_parents])
1069
n2 = set([other._names[i] for i in other_parents])
1070
if not self._compatible_parents(n1, n2):
1071
raise WeaveParentMismatch("inconsistent parents "
1072
"for version {%s}: %s vs %s" % (name, n1, n2))
1078
@deprecated_method(zero_eight)
1079
def reweave(self, other, pb=None, msg=None):
1080
"""reweave has been superseded by plain use of join."""
1081
return self.join(other, pb, msg)
1083
def _reweave(self, other, pb, msg):
1084
"""Reweave self with other - internal helper for join().
1086
:param other: The other weave to merge
1087
:param pb: An optional progress bar, indicating how far done we are
1088
:param msg: An optional message for the progress
1090
new_weave = _reweave(self, other, pb=pb, msg=msg)
1091
self._copy_weave_content(new_weave)
1093
def _copy_weave_content(self, otherweave):
1094
"""adsorb the content from otherweave."""
1095
for attr in self.__slots__:
1096
if attr != '_weave_name':
1097
setattr(self, attr, copy(getattr(otherweave, attr)))
1100
class WeaveFile(Weave):
1101
"""A WeaveFile represents a Weave on disk and writes on change."""
1103
WEAVE_SUFFIX = '.weave'
1105
def __init__(self, name, transport, filemode=None, create=False, access_mode='w'):
1106
"""Create a WeaveFile.
1108
:param create: If not True, only open an existing knit.
1110
super(WeaveFile, self).__init__(name, access_mode)
1111
self._transport = transport
1112
self._filemode = filemode
1114
_read_weave_v5(self._transport.get(name + WeaveFile.WEAVE_SUFFIX), self)
1115
except errors.NoSuchFile:
1121
def _add_lines(self, version_id, parents, lines, parent_texts):
1122
"""Add a version and save the weave."""
1123
result = super(WeaveFile, self)._add_lines(version_id, parents, lines,
1128
def _clone_text(self, new_version_id, old_version_id, parents):
1129
"""See VersionedFile.clone_text."""
1130
super(WeaveFile, self)._clone_text(new_version_id, old_version_id, parents)
1133
def copy_to(self, name, transport):
1134
"""See VersionedFile.copy_to()."""
1135
# as we are all in memory always, just serialise to the new place.
1137
write_weave_v5(self, sio)
1139
transport.put_file(name + WeaveFile.WEAVE_SUFFIX, sio, self._filemode)
1141
def create_empty(self, name, transport, filemode=None):
1142
return WeaveFile(name, transport, filemode, create=True)
1145
"""Save the weave."""
1146
self._check_write_ok()
1148
write_weave_v5(self, sio)
1150
self._transport.put_file(self._weave_name + WeaveFile.WEAVE_SUFFIX,
1156
"""See VersionedFile.get_suffixes()."""
1157
return [WeaveFile.WEAVE_SUFFIX]
1159
def join(self, other, pb=None, msg=None, version_ids=None,
1160
ignore_missing=False):
1161
"""Join other into self and save."""
1162
super(WeaveFile, self).join(other, pb, msg, version_ids, ignore_missing)
1166
@deprecated_function(zero_eight)
1167
def reweave(wa, wb, pb=None, msg=None):
1168
"""reweaving is deprecation, please just use weave.join()."""
1169
_reweave(wa, wb, pb, msg)
1171
def _reweave(wa, wb, pb=None, msg=None):
1172
"""Combine two weaves and return the result.
1174
This works even if a revision R has different parents in
1175
wa and wb. In the resulting weave all the parents are given.
1177
This is done by just building up a new weave, maintaining ordering
1178
of the versions in the two inputs. More efficient approaches
1179
might be possible but it should only be necessary to do
1180
this operation rarely, when a new previously ghost version is
1183
:param pb: An optional progress bar, indicating how far done we are
1184
:param msg: An optional message for the progress
1188
queue_a = range(wa.num_versions())
1189
queue_b = range(wb.num_versions())
1190
# first determine combined parents of all versions
1191
# map from version name -> all parent names
1192
combined_parents = _reweave_parent_graphs(wa, wb)
1193
mutter("combined parents: %r", combined_parents)
1194
order = topo_sort(combined_parents.iteritems())
1195
mutter("order to reweave: %r", order)
1200
for idx, name in enumerate(order):
1202
pb.update(msg, idx, len(order))
1203
if name in wa._name_map:
1204
lines = wa.get_lines(name)
1205
if name in wb._name_map:
1206
lines_b = wb.get_lines(name)
1207
if lines != lines_b:
1208
mutter('Weaves differ on content. rev_id {%s}', name)
1209
mutter('weaves: %s, %s', wa._weave_name, wb._weave_name)
1211
lines = list(difflib.unified_diff(lines, lines_b,
1212
wa._weave_name, wb._weave_name))
1213
mutter('lines:\n%s', ''.join(lines))
1214
raise errors.WeaveTextDiffers(name, wa, wb)
1216
lines = wb.get_lines(name)
1217
wr._add(name, lines, [wr._lookup(i) for i in combined_parents[name]])
1220
def _reweave_parent_graphs(wa, wb):
1221
"""Return combined parent ancestry for two weaves.
1223
Returned as a list of (version_name, set(parent_names))"""
1225
for weave in [wa, wb]:
1226
for idx, name in enumerate(weave._names):
1227
p = combined.setdefault(name, set())
1228
p.update(map(weave._idx_to_name, weave._parents[idx]))
1233
"""Show the weave's table-of-contents"""
1234
print '%6s %50s %10s %10s' % ('ver', 'name', 'sha1', 'parents')
1235
for i in (6, 50, 10, 10):
679
for i in range(w.numversions()):
1238
for i in range(w.num_versions()):
680
1239
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
1241
parent_str = ' '.join(map(str, w._parents[i]))
1242
print '%6d %-50.50s %10.10s %s' % (i, name, sha1, parent_str)
1246
def weave_stats(weave_file, pb):
687
1247
from bzrlib.weavefile import read_weave
691
1249
wf = file(weave_file, 'rb')
692
1250
w = read_weave(wf)
693
1251
# FIXME: doesn't work on pipes