160
167
each version; the parent's parents are implied.
163
List of hex SHA-1 of each version, or None if not recorded.
170
List of hex SHA-1 of each version.
173
List of symbolic names for each version. Each should be unique.
176
For each name, the version number.
179
Descriptive name of this weave; typically the filename if known.
166
__slots__ = ['_weave', '_parents', '_sha1s']
183
__slots__ = ['_weave', '_parents', '_sha1s', '_names', '_name_map',
184
'_weave_name', '_matcher']
186
def __init__(self, weave_name=None, access_mode='w', matcher=None):
187
super(Weave, self).__init__(access_mode)
170
189
self._parents = []
193
self._weave_name = weave_name
195
self._matcher = SequenceMatcher
197
self._matcher = matcher
200
return "Weave(%r)" % self._weave_name
203
"""Return a deep copy of self.
205
The copy can be modified without affecting the original weave."""
207
other._weave = self._weave[:]
208
other._parents = self._parents[:]
209
other._sha1s = self._sha1s[:]
210
other._names = self._names[:]
211
other._name_map = self._name_map.copy()
212
other._weave_name = self._weave_name
174
215
def __eq__(self, other):
175
216
if not isinstance(other, Weave):
177
218
return self._parents == other._parents \
178
and self._weave == other._weave
219
and self._weave == other._weave \
220
and self._sha1s == other._sha1s
181
222
def __ne__(self, other):
182
223
return not self.__eq__(other)
185
def add(self, parents, text):
225
@deprecated_method(zero_eight)
226
def idx_to_name(self, index):
227
"""Old public interface, the public interface is all names now."""
230
def _idx_to_name(self, version):
231
return self._names[version]
233
@deprecated_method(zero_eight)
234
def lookup(self, name):
235
"""Backwards compatability thunk:
237
Return name, as name is valid in the api now, and spew deprecation
242
def _lookup(self, name):
243
"""Convert symbolic version name to index."""
245
return self._name_map[name]
247
raise RevisionNotPresent(name, self._weave_name)
249
@deprecated_method(zero_eight)
250
def iter_names(self):
251
"""Deprecated convenience function, please see VersionedFile.names()."""
252
return iter(self.names())
254
@deprecated_method(zero_eight)
256
"""See Weave.versions for the current api."""
257
return self.versions()
260
"""See VersionedFile.versions."""
261
return self._names[:]
263
def has_version(self, version_id):
264
"""See VersionedFile.has_version."""
265
return self._name_map.has_key(version_id)
267
__contains__ = has_version
269
def get_delta(self, version_id):
270
"""See VersionedFile.get_delta."""
271
return self.get_deltas([version_id])[version_id]
273
def get_deltas(self, version_ids):
274
"""See VersionedFile.get_deltas."""
275
version_ids = self.get_ancestry(version_ids)
276
for version_id in version_ids:
277
if not self.has_version(version_id):
278
raise RevisionNotPresent(version_id, self)
279
# try extracting all versions; parallel extraction is used
280
nv = self.num_versions()
286
last_parent_lines = {}
288
parent_inclusions = {}
293
# its simplest to generate a full set of prepared variables.
295
name = self._names[i]
296
sha1s[name] = self.get_sha1(name)
297
parents_list = self.get_parents(name)
299
parent = parents_list[0]
300
parents[name] = parent
301
parent_inclusions[name] = inclusions[parent]
304
parent_inclusions[name] = set()
305
# we want to emit start, finish, replacement_length, replacement_lines tuples.
306
diff_hunks[name] = []
307
current_hunks[name] = [0, 0, 0, []] # #start, finish, repl_length, repl_tuples
308
parent_linenums[name] = 0
310
parent_noeols[name] = False
311
last_parent_lines[name] = None
312
new_inc = set([name])
313
for p in self._parents[i]:
314
new_inc.update(inclusions[self._idx_to_name(p)])
315
# debug only, known good so far.
316
#assert set(new_inc) == set(self.get_ancestry(name)), \
317
# 'failed %s != %s' % (set(new_inc), set(self.get_ancestry(name)))
318
inclusions[name] = new_inc
320
nlines = len(self._weave)
322
for lineno, inserted, deletes, line in self._walk_internal():
323
# a line is active in a version if:
324
# insert is in the versions inclusions
326
# deleteset & the versions inclusions is an empty set.
327
# so - if we have a included by mapping - version is included by
328
# children, we get a list of children to examine for deletes affect
329
# ing them, which is less than the entire set of children.
330
for version_id in version_ids:
331
# The active inclusion must be an ancestor,
332
# and no ancestors must have deleted this line,
333
# because we don't support resurrection.
334
parent_inclusion = parent_inclusions[version_id]
335
inclusion = inclusions[version_id]
336
parent_active = inserted in parent_inclusion and not (deletes & parent_inclusion)
337
version_active = inserted in inclusion and not (deletes & inclusion)
338
if not parent_active and not version_active:
339
# unrelated line of ancestry
341
elif parent_active and version_active:
343
parent_linenum = parent_linenums[version_id]
344
if current_hunks[version_id] != [parent_linenum, parent_linenum, 0, []]:
345
diff_hunks[version_id].append(tuple(current_hunks[version_id]))
347
current_hunks[version_id] = [parent_linenum, parent_linenum, 0, []]
348
parent_linenums[version_id] = parent_linenum
351
noeols[version_id] = True
354
elif parent_active and not version_active:
356
current_hunks[version_id][1] += 1
357
parent_linenums[version_id] += 1
358
last_parent_lines[version_id] = line
359
elif not parent_active and version_active:
361
# noeol only occurs at the end of a file because we
362
# diff linewise. We want to show noeol changes as a
363
# empty diff unless the actual eol-less content changed.
366
if last_parent_lines[version_id][-1] != '\n':
367
parent_noeols[version_id] = True
368
except (TypeError, IndexError):
371
if theline[-1] != '\n':
372
noeols[version_id] = True
376
parent_should_go = False
378
if parent_noeols[version_id] == noeols[version_id]:
379
# no noeol toggle, so trust the weaves statement
380
# that this line is changed.
382
if parent_noeols[version_id]:
383
theline = theline + '\n'
384
elif parent_noeols[version_id]:
385
# parent has no eol, we do:
386
# our line is new, report as such..
388
elif noeols[version_id]:
389
# append a eol so that it looks like
391
theline = theline + '\n'
392
if parents[version_id] is not None:
393
#if last_parent_lines[version_id] is not None:
394
parent_should_go = True
395
if last_parent_lines[version_id] != theline:
398
#parent_should_go = False
400
current_hunks[version_id][2] += 1
401
current_hunks[version_id][3].append((inserted, theline))
403
# last hunk last parent line is not eaten
404
current_hunks[version_id][1] -= 1
405
if current_hunks[version_id][1] < 0:
406
current_hunks[version_id][1] = 0
407
# import pdb;pdb.set_trace()
408
# assert current_hunks[version_id][1] >= 0
412
version = self._idx_to_name(i)
413
if current_hunks[version] != [0, 0, 0, []]:
414
diff_hunks[version].append(tuple(current_hunks[version]))
416
for version_id in version_ids:
417
result[version_id] = (
421
diff_hunks[version_id],
425
def get_parents(self, version_id):
426
"""See VersionedFile.get_parent."""
427
return map(self._idx_to_name, self._parents[self._lookup(version_id)])
429
def _check_repeated_add(self, name, parents, text, sha1):
430
"""Check that a duplicated add is OK.
432
If it is, return the (old) index; otherwise raise an exception.
434
idx = self._lookup(name)
435
if sorted(self._parents[idx]) != sorted(parents) \
436
or sha1 != self._sha1s[idx]:
437
raise RevisionAlreadyPresent(name, self._weave_name)
440
@deprecated_method(zero_eight)
441
def add_identical(self, old_rev_id, new_rev_id, parents):
442
"""Please use Weave.clone_text now."""
443
return self.clone_text(new_rev_id, old_rev_id, parents)
445
def _add_lines(self, version_id, parents, lines, parent_texts):
446
"""See VersionedFile.add_lines."""
447
return self._add(version_id, lines, map(self._lookup, parents))
449
@deprecated_method(zero_eight)
450
def add(self, name, parents, text, sha1=None):
451
"""See VersionedFile.add_lines for the non deprecated api."""
452
return self._add(name, text, map(self._maybe_lookup, parents), sha1)
454
def _add(self, version_id, lines, parents, sha1=None):
186
455
"""Add a single text on top of the weave.
188
457
Returns the index number of the newly added version.
460
Symbolic name for this version.
461
(Typically the revision-id of the revision that added it.)
191
464
List or set of direct parent version numbers.
194
Sequence of lines to be added in the new version."""
467
Sequence of lines to be added in the new version.
470
assert isinstance(version_id, basestring)
471
self._check_lines_not_unicode(lines)
472
self._check_lines_are_lines(lines)
474
sha1 = sha_strings(lines)
475
if version_id in self._name_map:
476
return self._check_repeated_add(version_id, parents, lines, sha1)
196
478
self._check_versions(parents)
197
## self._check_lines(text)
479
## self._check_lines(lines)
198
480
new_version = len(self._parents)
206
# if we abort after here the weave will be corrupt
207
self._parents.append(frozenset(parents))
482
# if we abort after here the (in-memory) weave will be corrupt because only
483
# some fields are updated
484
# XXX: FIXME implement a succeed-or-fail of the rest of this routine.
485
# - Robert Collins 20060226
486
self._parents.append(parents[:])
208
487
self._sha1s.append(sha1)
488
self._names.append(version_id)
489
self._name_map[version_id] = new_version
446
assert isinstance(l, basestring)
841
assert l.__class__ in (str, unicode)
447
842
if isactive is None:
448
843
isactive = (not dset) and istack and (istack[-1] in included)
450
845
result.append((istack[-1], lineno, l))
454
raise WFE("unclosed insertion blocks at end of weave",
848
raise WeaveFormatError("unclosed insertion blocks "
849
"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)
851
raise WeaveFormatError("unclosed deletion blocks at end of weave: %s"
855
@deprecated_method(zero_eight)
856
def get_iter(self, name_or_index):
857
"""Deprecated, please do not use. Lookups are not not needed.
859
Please use get_lines now.
861
return iter(self.get_lines(self._maybe_lookup(name_or_index)))
863
@deprecated_method(zero_eight)
864
def maybe_lookup(self, name_or_index):
865
"""Deprecated, please do not use. Lookups are not not needed."""
866
return self._maybe_lookup(name_or_index)
868
def _maybe_lookup(self, name_or_index):
869
"""Convert possible symbolic name to index, or pass through indexes.
873
if isinstance(name_or_index, (int, long)):
876
return self._lookup(name_or_index)
878
@deprecated_method(zero_eight)
879
def get(self, version_id):
880
"""Please use either Weave.get_text or Weave.get_lines as desired."""
881
return self.get_lines(version_id)
883
def get_lines(self, version_id):
884
"""See VersionedFile.get_lines()."""
885
int_index = self._maybe_lookup(version_id)
886
result = [line for (origin, lineno, line) in self._extract([int_index])]
887
expected_sha1 = self._sha1s[int_index]
888
measured_sha1 = sha_strings(result)
889
if measured_sha1 != expected_sha1:
890
raise errors.WeaveInvalidChecksum(
891
'file %s, revision %s, expected: %s, measured %s'
892
% (self._weave_name, version_id,
893
expected_sha1, measured_sha1))
896
def get_sha1(self, version_id):
897
"""See VersionedFile.get_sha1()."""
898
return self._sha1s[self._lookup(version_id)]
900
@deprecated_method(zero_eight)
489
901
def numversions(self):
902
"""How many versions are in this weave?
904
Deprecated in favour of num_versions.
906
return self.num_versions()
908
def num_versions(self):
909
"""How many versions are in this weave?"""
490
910
l = len(self._parents)
491
911
assert l == len(self._sha1s)
496
return self.numversions()
914
__len__ = num_versions
499
916
def check(self, progress_bar=None):
500
# check no circular inclusions
501
for version in range(self.numversions()):
917
# TODO evaluate performance hit of using string sets in this routine.
918
# TODO: check no circular inclusions
919
# TODO: create a nested progress bar
920
for version in range(self.num_versions()):
502
921
inclusions = list(self._parents[version])
504
923
inclusions.sort()
506
925
raise WeaveFormatError("invalid included version %d for index %d"
507
926
% (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):
928
# try extracting all versions; parallel extraction is used
929
nv = self.num_versions()
934
# For creating the ancestry, IntSet is much faster (3.7s vs 0.17s)
935
# The problem is that set membership is much more expensive
936
name = self._idx_to_name(i)
937
sha1s[name] = sha.new()
939
new_inc = set([name])
940
for p in self._parents[i]:
941
new_inc.update(inclusions[self._idx_to_name(p)])
943
assert set(new_inc) == set(self.get_ancestry(name)), \
944
'failed %s != %s' % (set(new_inc), set(self.get_ancestry(name)))
945
inclusions[name] = new_inc
947
nlines = len(self._weave)
949
update_text = 'checking weave'
951
short_name = os.path.basename(self._weave_name)
952
update_text = 'checking %s' % (short_name,)
953
update_text = update_text[:25]
955
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]
957
progress_bar.update(update_text, lineno, nlines)
959
for name, name_inclusions in inclusions.items():
960
# The active inclusion must be an ancestor,
961
# and no ancestors must have deleted this line,
962
# because we don't support resurrection.
963
if (insert in name_inclusions) and not (deleteset & name_inclusions):
964
sha1s[name].update(line)
967
version = self._idx_to_name(i)
968
hd = sha1s[version].hexdigest()
969
expected = self._sha1s[i]
521
970
if hd != expected:
522
raise WeaveError("mismatched sha1 for version %d; "
523
"got %s, expected %s"
524
% (version, hd, expected))
971
raise errors.WeaveInvalidChecksum(
972
"mismatched sha1 for version %s: "
973
"got %s, expected %s"
974
% (version, hd, expected))
526
976
# TODO: check insertions are properly nested, that there are
527
977
# no lines outside of insertion blocks, that deletions are
528
978
# 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):
980
def _join(self, other, pb, msg, version_ids, ignore_missing):
981
"""Worker routine for join()."""
982
if not other.versions():
983
return # nothing to update, easy
986
# versions is never none, InterWeave checks this.
989
# two loops so that we do not change ourselves before verifying it
991
# work through in index order to make sure we get all dependencies
994
# get the selected versions only that are in other.versions.
995
version_ids = set(other.versions()).intersection(set(version_ids))
996
# pull in the referenced graph.
997
version_ids = other.get_ancestry(version_ids)
998
pending_graph = [(version, other.get_parents(version)) for
999
version in version_ids]
1000
for name in topo_sort(pending_graph):
1001
other_idx = other._name_map[name]
1002
# returns True if we have it, False if we need it.
1003
if not self._check_version_consistent(other, other_idx, name):
1004
names_to_join.append((other_idx, name))
1013
for other_idx, name in names_to_join:
1014
# TODO: If all the parents of the other version are already
1015
# present then we can avoid some work by just taking the delta
1016
# and adjusting the offsets.
1017
new_parents = self._imported_parents(other, other_idx)
1018
sha1 = other._sha1s[other_idx]
1023
pb.update(msg, merged, len(names_to_join))
1025
lines = other.get_lines(other_idx)
1026
self._add(name, lines, new_parents, sha1)
1028
mutter("merged = %d, processed = %d, file_id=%s; deltat=%d"%(
1029
merged, processed, self._weave_name, time.time()-time0))
1031
def _imported_parents(self, other, other_idx):
1032
"""Return list of parents in self corresponding to indexes in other."""
1034
for parent_idx in other._parents[other_idx]:
1035
parent_name = other._names[parent_idx]
1036
if parent_name not in self._name_map:
1037
# should not be possible
1038
raise WeaveError("missing parent {%s} of {%s} in %r"
1039
% (parent_name, other._name_map[other_idx], self))
1040
new_parents.append(self._name_map[parent_name])
1043
def _check_version_consistent(self, other, other_idx, name):
1044
"""Check if a version in consistent in this and other.
1046
To be consistent it must have:
1049
* the same direct parents (by name, not index, and disregarding
1052
If present & correct return True;
1053
if not present in self return False;
1054
if inconsistent raise error."""
1055
this_idx = self._name_map.get(name, -1)
1057
if self._sha1s[this_idx] != other._sha1s[other_idx]:
1058
raise errors.WeaveTextDiffers(name, self, other)
1059
self_parents = self._parents[this_idx]
1060
other_parents = other._parents[other_idx]
1061
n1 = set([self._names[i] for i in self_parents])
1062
n2 = set([other._names[i] for i in other_parents])
1063
if not self._compatible_parents(n1, n2):
1064
raise WeaveParentMismatch("inconsistent parents "
1065
"for version {%s}: %s vs %s" % (name, n1, n2))
1071
@deprecated_method(zero_eight)
1072
def reweave(self, other, pb=None, msg=None):
1073
"""reweave has been superceded by plain use of join."""
1074
return self.join(other, pb, msg)
1076
def _reweave(self, other, pb, msg):
1077
"""Reweave self with other - internal helper for join().
1079
:param other: The other weave to merge
1080
:param pb: An optional progress bar, indicating how far done we are
1081
:param msg: An optional message for the progress
1083
new_weave = _reweave(self, other, pb=pb, msg=msg)
1084
self._copy_weave_content(new_weave)
1086
def _copy_weave_content(self, otherweave):
1087
"""adsorb the content from otherweave."""
1088
for attr in self.__slots__:
1089
if attr != '_weave_name':
1090
setattr(self, attr, copy(getattr(otherweave, attr)))
1093
class WeaveFile(Weave):
1094
"""A WeaveFile represents a Weave on disk and writes on change."""
1096
WEAVE_SUFFIX = '.weave'
1098
def __init__(self, name, transport, filemode=None, create=False, access_mode='w'):
1099
"""Create a WeaveFile.
1101
:param create: If not True, only open an existing knit.
1103
super(WeaveFile, self).__init__(name, access_mode)
1104
self._transport = transport
1105
self._filemode = filemode
1107
_read_weave_v5(self._transport.get(name + WeaveFile.WEAVE_SUFFIX), self)
1108
except errors.NoSuchFile:
1114
def _add_lines(self, version_id, parents, lines, parent_texts):
1115
"""Add a version and save the weave."""
1116
result = super(WeaveFile, self)._add_lines(version_id, parents, lines,
1121
def _clone_text(self, new_version_id, old_version_id, parents):
1122
"""See VersionedFile.clone_text."""
1123
super(WeaveFile, self)._clone_text(new_version_id, old_version_id, parents)
1126
def copy_to(self, name, transport):
1127
"""See VersionedFile.copy_to()."""
1128
# as we are all in memory always, just serialise to the new place.
1130
write_weave_v5(self, sio)
1132
transport.put(name + WeaveFile.WEAVE_SUFFIX, sio, self._filemode)
1134
def create_empty(self, name, transport, filemode=None):
1135
return WeaveFile(name, transport, filemode, create=True)
1138
"""Save the weave."""
1139
self._check_write_ok()
1141
write_weave_v5(self, sio)
1143
self._transport.put(self._weave_name + WeaveFile.WEAVE_SUFFIX,
1149
"""See VersionedFile.get_suffixes()."""
1150
return [WeaveFile.WEAVE_SUFFIX]
1152
def join(self, other, pb=None, msg=None, version_ids=None,
1153
ignore_missing=False):
1154
"""Join other into self and save."""
1155
super(WeaveFile, self).join(other, pb, msg, version_ids, ignore_missing)
1159
@deprecated_function(zero_eight)
1160
def reweave(wa, wb, pb=None, msg=None):
1161
"""reweaving is deprecation, please just use weave.join()."""
1162
_reweave(wa, wb, pb, msg)
1164
def _reweave(wa, wb, pb=None, msg=None):
1165
"""Combine two weaves and return the result.
1167
This works even if a revision R has different parents in
1168
wa and wb. In the resulting weave all the parents are given.
1170
This is done by just building up a new weave, maintaining ordering
1171
of the versions in the two inputs. More efficient approaches
1172
might be possible but it should only be necessary to do
1173
this operation rarely, when a new previously ghost version is
1176
:param pb: An optional progress bar, indicating how far done we are
1177
:param msg: An optional message for the progress
1181
queue_a = range(wa.num_versions())
1182
queue_b = range(wb.num_versions())
1183
# first determine combined parents of all versions
1184
# map from version name -> all parent names
1185
combined_parents = _reweave_parent_graphs(wa, wb)
1186
mutter("combined parents: %r", combined_parents)
1187
order = topo_sort(combined_parents.iteritems())
1188
mutter("order to reweave: %r", order)
1193
for idx, name in enumerate(order):
1195
pb.update(msg, idx, len(order))
1196
if name in wa._name_map:
1197
lines = wa.get_lines(name)
1198
if name in wb._name_map:
1199
lines_b = wb.get_lines(name)
1200
if lines != lines_b:
1201
mutter('Weaves differ on content. rev_id {%s}', name)
1202
mutter('weaves: %s, %s', wa._weave_name, wb._weave_name)
1204
lines = list(difflib.unified_diff(lines, lines_b,
1205
wa._weave_name, wb._weave_name))
1206
mutter('lines:\n%s', ''.join(lines))
1207
raise errors.WeaveTextDiffers(name, wa, wb)
1209
lines = wb.get_lines(name)
1210
wr._add(name, lines, [wr._lookup(i) for i in combined_parents[name]])
1213
def _reweave_parent_graphs(wa, wb):
1214
"""Return combined parent ancestry for two weaves.
1216
Returned as a list of (version_name, set(parent_names))"""
1218
for weave in [wa, wb]:
1219
for idx, name in enumerate(weave._names):
1220
p = combined.setdefault(name, set())
1221
p.update(map(weave._idx_to_name, weave._parents[idx]))
1226
"""Show the weave's table-of-contents"""
1227
print '%6s %50s %10s %10s' % ('ver', 'name', 'sha1', 'parents')
1228
for i in (6, 50, 10, 10):
679
for i in range(w.numversions()):
1231
for i in range(w.num_versions()):
680
1232
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
1234
parent_str = ' '.join(map(str, w._parents[i]))
1235
print '%6d %-50.50s %10.10s %s' % (i, name, sha1, parent_str)
1239
def weave_stats(weave_file, pb):
687
1240
from bzrlib.weavefile import read_weave
691
1242
wf = file(weave_file, 'rb')
1243
w = read_weave(wf, WeaveVersionedFile)
693
1244
# FIXME: doesn't work on pipes
694
1245
weave_size = wf.tell()
831
1406
print ' '.join(map(str, w._parents[int(argv[3])]))
833
1408
elif cmd == 'plan-merge':
1409
# replaced by 'bzr weave-plan-merge'
835
1411
for state, line in w.plan_merge(int(argv[3]), int(argv[4])):
837
1413
print '%14s | %s' % (state, line),
839
1414
elif cmd == 'merge':
1415
# replaced by 'bzr weave-merge-text'
841
1417
p = w.plan_merge(int(argv[3]), int(argv[4]))
842
1418
sys.stdout.writelines(w.weave_merge(p))
844
elif cmd == 'mash-merge':
850
v1, v2 = map(int, argv[3:5])
852
basis = w.inclusions([v1]).intersection(w.inclusions([v2]))
854
base_lines = list(w.mash_iter(basis))
855
a_lines = list(w.get(v1))
856
b_lines = list(w.get(v2))
858
from bzrlib.merge3 import Merge3
859
m3 = Merge3(base_lines, a_lines, b_lines)
861
name_a = 'version %d' % v1
862
name_b = 'version %d' % v2
863
sys.stdout.writelines(m3.merge_lines(name_a=name_a, name_b=name_b))
865
1420
raise ValueError('unknown command %r' % cmd)
1424
def profile_main(argv):
1425
import tempfile, hotshot, hotshot.stats
1427
prof_f = tempfile.NamedTemporaryFile()
1429
prof = hotshot.Profile(prof_f.name)
1431
ret = prof.runcall(main, argv)
1434
stats = hotshot.stats.load(prof_f.name)
1436
stats.sort_stats('cumulative')
1437
## XXX: Might like to write to stderr or the trace file instead but
1438
## print_stats seems hardcoded to stdout
1439
stats.print_stats(20)
1444
def lsprofile_main(argv):
1445
from bzrlib.lsprof import profile
1446
ret,stats = profile(main, argv)
868
1452
if __name__ == '__main__':
870
sys.exit(main(sys.argv))
1454
if '--profile' in sys.argv:
1456
args.remove('--profile')
1457
sys.exit(profile_main(args))
1458
elif '--lsprof' in sys.argv:
1460
args.remove('--lsprof')
1461
sys.exit(lsprofile_main(args))
1463
sys.exit(main(sys.argv))
1466
class InterWeave(InterVersionedFile):
1467
"""Optimised code paths for weave to weave operations."""
1469
_matching_file_from_factory = staticmethod(WeaveFile)
1470
_matching_file_to_factory = staticmethod(WeaveFile)
1473
def is_compatible(source, target):
1474
"""Be compatible with weaves."""
1476
return (isinstance(source, Weave) and
1477
isinstance(target, Weave))
1478
except AttributeError:
1481
def join(self, pb=None, msg=None, version_ids=None, ignore_missing=False):
1482
"""See InterVersionedFile.join."""
1483
version_ids = self._get_source_version_ids(version_ids, ignore_missing)
1484
if self.target.versions() == [] and version_ids is None:
1485
self.target._copy_weave_content(self.source)
1488
self.target._join(self.source, pb, msg, version_ids, ignore_missing)
1489
except errors.WeaveParentMismatch:
1490
self.target._reweave(self.source, pb, msg)
1493
InterVersionedFile.register_optimiser(InterWeave)