160
166
each version; the parent's parents are implied.
163
List of hex SHA-1 of each version, or None if not recorded.
169
List of hex SHA-1 of each version.
172
List of symbolic names for each version. Each should be unique.
175
For each name, the version number.
178
Descriptive name of this weave; typically the filename if known.
166
__slots__ = ['_weave', '_parents', '_sha1s']
182
__slots__ = ['_weave', '_parents', '_sha1s', '_names', '_name_map',
185
def __init__(self, weave_name=None, access_mode='w'):
186
super(Weave, self).__init__(access_mode)
170
188
self._parents = []
192
self._weave_name = weave_name
195
return "Weave(%r)" % self._weave_name
198
"""Return a deep copy of self.
200
The copy can be modified without affecting the original weave."""
202
other._weave = self._weave[:]
203
other._parents = self._parents[:]
204
other._sha1s = self._sha1s[:]
205
other._names = self._names[:]
206
other._name_map = self._name_map.copy()
207
other._weave_name = self._weave_name
174
210
def __eq__(self, other):
175
211
if not isinstance(other, Weave):
177
213
return self._parents == other._parents \
178
and self._weave == other._weave
214
and self._weave == other._weave \
215
and self._sha1s == other._sha1s
181
217
def __ne__(self, other):
182
218
return not self.__eq__(other)
185
def add(self, parents, text):
220
@deprecated_method(zero_eight)
221
def idx_to_name(self, index):
222
"""Old public interface, the public interface is all names now."""
225
def _idx_to_name(self, version):
226
return self._names[version]
228
@deprecated_method(zero_eight)
229
def lookup(self, name):
230
"""Backwards compatability thunk:
232
Return name, as name is valid in the api now, and spew deprecation
237
def _lookup(self, name):
238
"""Convert symbolic version name to index."""
240
return self._name_map[name]
242
raise RevisionNotPresent(name, self._weave_name)
244
@deprecated_method(zero_eight)
245
def iter_names(self):
246
"""Deprecated convenience function, please see VersionedFile.names()."""
247
return iter(self.names())
249
@deprecated_method(zero_eight)
251
"""See Weave.versions for the current api."""
252
return self.versions()
255
"""See VersionedFile.versions."""
256
return self._names[:]
258
def has_version(self, version_id):
259
"""See VersionedFile.has_version."""
260
return self._name_map.has_key(version_id)
262
__contains__ = has_version
264
def get_delta(self, version_id):
265
"""See VersionedFile.get_delta."""
266
return self.get_deltas([version_id])[version_id]
268
def get_deltas(self, version_ids):
269
"""See VersionedFile.get_deltas."""
270
version_ids = self.get_ancestry(version_ids)
271
for version_id in version_ids:
272
if not self.has_version(version_id):
273
raise RevisionNotPresent(version_id, self)
274
# try extracting all versions; parallel extraction is used
275
nv = self.num_versions()
281
last_parent_lines = {}
283
parent_inclusions = {}
288
# its simplest to generate a full set of prepared variables.
290
name = self._names[i]
291
sha1s[name] = self.get_sha1(name)
292
parents_list = self.get_parents(name)
294
parent = parents_list[0]
295
parents[name] = parent
296
parent_inclusions[name] = inclusions[parent]
299
parent_inclusions[name] = set()
300
# we want to emit start, finish, replacement_length, replacement_lines tuples.
301
diff_hunks[name] = []
302
current_hunks[name] = [0, 0, 0, []] # #start, finish, repl_length, repl_tuples
303
parent_linenums[name] = 0
305
parent_noeols[name] = False
306
last_parent_lines[name] = None
307
new_inc = set([name])
308
for p in self._parents[i]:
309
new_inc.update(inclusions[self._idx_to_name(p)])
310
# debug only, known good so far.
311
#assert set(new_inc) == set(self.get_ancestry(name)), \
312
# 'failed %s != %s' % (set(new_inc), set(self.get_ancestry(name)))
313
inclusions[name] = new_inc
315
nlines = len(self._weave)
317
for lineno, inserted, deletes, line in self._walk_internal():
318
# a line is active in a version if:
319
# insert is in the versions inclusions
321
# deleteset & the versions inclusions is an empty set.
322
# so - if we have a included by mapping - version is included by
323
# children, we get a list of children to examine for deletes affect
324
# ing them, which is less than the entire set of children.
325
for version_id in version_ids:
326
# The active inclusion must be an ancestor,
327
# and no ancestors must have deleted this line,
328
# because we don't support resurrection.
329
parent_inclusion = parent_inclusions[version_id]
330
inclusion = inclusions[version_id]
331
parent_active = inserted in parent_inclusion and not (deletes & parent_inclusion)
332
version_active = inserted in inclusion and not (deletes & inclusion)
333
if not parent_active and not version_active:
334
# unrelated line of ancestry
336
elif parent_active and version_active:
338
parent_linenum = parent_linenums[version_id]
339
if current_hunks[version_id] != [parent_linenum, parent_linenum, 0, []]:
340
diff_hunks[version_id].append(tuple(current_hunks[version_id]))
342
current_hunks[version_id] = [parent_linenum, parent_linenum, 0, []]
343
parent_linenums[version_id] = parent_linenum
346
noeols[version_id] = True
349
elif parent_active and not version_active:
351
current_hunks[version_id][1] += 1
352
parent_linenums[version_id] += 1
353
last_parent_lines[version_id] = line
354
elif not parent_active and version_active:
356
# noeol only occurs at the end of a file because we
357
# diff linewise. We want to show noeol changes as a
358
# empty diff unless the actual eol-less content changed.
361
if last_parent_lines[version_id][-1] != '\n':
362
parent_noeols[version_id] = True
363
except (TypeError, IndexError):
366
if theline[-1] != '\n':
367
noeols[version_id] = True
371
parent_should_go = False
373
if parent_noeols[version_id] == noeols[version_id]:
374
# no noeol toggle, so trust the weaves statement
375
# that this line is changed.
377
if parent_noeols[version_id]:
378
theline = theline + '\n'
379
elif parent_noeols[version_id]:
380
# parent has no eol, we do:
381
# our line is new, report as such..
383
elif noeols[version_id]:
384
# append a eol so that it looks like
386
theline = theline + '\n'
387
if parents[version_id] is not None:
388
#if last_parent_lines[version_id] is not None:
389
parent_should_go = True
390
if last_parent_lines[version_id] != theline:
393
#parent_should_go = False
395
current_hunks[version_id][2] += 1
396
current_hunks[version_id][3].append((inserted, theline))
398
# last hunk last parent line is not eaten
399
current_hunks[version_id][1] -= 1
400
if current_hunks[version_id][1] < 0:
401
current_hunks[version_id][1] = 0
402
# import pdb;pdb.set_trace()
403
# assert current_hunks[version_id][1] >= 0
407
version = self._idx_to_name(i)
408
if current_hunks[version] != [0, 0, 0, []]:
409
diff_hunks[version].append(tuple(current_hunks[version]))
411
for version_id in version_ids:
412
result[version_id] = (
416
diff_hunks[version_id],
420
def get_parents(self, version_id):
421
"""See VersionedFile.get_parent."""
422
return map(self._idx_to_name, self._parents[self._lookup(version_id)])
424
def _check_repeated_add(self, name, parents, text, sha1):
425
"""Check that a duplicated add is OK.
427
If it is, return the (old) index; otherwise raise an exception.
429
idx = self._lookup(name)
430
if sorted(self._parents[idx]) != sorted(parents) \
431
or sha1 != self._sha1s[idx]:
432
raise RevisionAlreadyPresent(name, self._weave_name)
435
@deprecated_method(zero_eight)
436
def add_identical(self, old_rev_id, new_rev_id, parents):
437
"""Please use Weave.clone_text now."""
438
return self.clone_text(new_rev_id, old_rev_id, parents)
440
def _add_lines(self, version_id, parents, lines, parent_texts):
441
"""See VersionedFile.add_lines."""
442
return self._add(version_id, lines, map(self._lookup, parents))
444
@deprecated_method(zero_eight)
445
def add(self, name, parents, text, sha1=None):
446
"""See VersionedFile.add_lines for the non deprecated api."""
447
return self._add(name, text, map(self._maybe_lookup, parents), sha1)
449
def _add(self, version_id, lines, parents, sha1=None):
186
450
"""Add a single text on top of the weave.
188
452
Returns the index number of the newly added version.
455
Symbolic name for this version.
456
(Typically the revision-id of the revision that added it.)
191
459
List or set of direct parent version numbers.
194
Sequence of lines to be added in the new version."""
462
Sequence of lines to be added in the new version.
465
assert isinstance(version_id, basestring)
466
self._check_lines_not_unicode(lines)
467
self._check_lines_are_lines(lines)
469
sha1 = sha_strings(lines)
470
if version_id in self._name_map:
471
return self._check_repeated_add(version_id, parents, lines, sha1)
196
473
self._check_versions(parents)
197
## self._check_lines(text)
474
## self._check_lines(lines)
198
475
new_version = len(self._parents)
206
# if we abort after here the weave will be corrupt
207
self._parents.append(frozenset(parents))
477
# if we abort after here the (in-memory) weave will be corrupt because only
478
# some fields are updated
479
# XXX: FIXME implement a succeed-or-fail of the rest of this routine.
480
# - Robert Collins 20060226
481
self._parents.append(parents[:])
208
482
self._sha1s.append(sha1)
483
self._names.append(version_id)
484
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
@deprecated_method(zero_eight)
489
896
def numversions(self):
897
"""How many versions are in this weave?
899
Deprecated in favour of num_versions.
901
return self.num_versions()
903
def num_versions(self):
904
"""How many versions are in this weave?"""
490
905
l = len(self._parents)
491
906
assert l == len(self._sha1s)
496
return self.numversions()
909
__len__ = num_versions
499
911
def check(self, progress_bar=None):
500
# check no circular inclusions
501
for version in range(self.numversions()):
912
# TODO evaluate performance hit of using string sets in this routine.
913
# TODO: check no circular inclusions
914
# TODO: create a nested progress bar
915
for version in range(self.num_versions()):
502
916
inclusions = list(self._parents[version])
504
918
inclusions.sort()
506
920
raise WeaveFormatError("invalid included version %d for index %d"
507
921
% (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):
923
# try extracting all versions; parallel extraction is used
924
nv = self.num_versions()
929
# For creating the ancestry, IntSet is much faster (3.7s vs 0.17s)
930
# The problem is that set membership is much more expensive
931
name = self._idx_to_name(i)
932
sha1s[name] = sha.new()
934
new_inc = set([name])
935
for p in self._parents[i]:
936
new_inc.update(inclusions[self._idx_to_name(p)])
938
assert set(new_inc) == set(self.get_ancestry(name)), \
939
'failed %s != %s' % (set(new_inc), set(self.get_ancestry(name)))
940
inclusions[name] = new_inc
942
nlines = len(self._weave)
944
update_text = 'checking weave'
946
short_name = os.path.basename(self._weave_name)
947
update_text = 'checking %s' % (short_name,)
948
update_text = update_text[:25]
950
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]
952
progress_bar.update(update_text, lineno, nlines)
954
for name, name_inclusions in inclusions.items():
955
# The active inclusion must be an ancestor,
956
# and no ancestors must have deleted this line,
957
# because we don't support resurrection.
958
if (insert in name_inclusions) and not (deleteset & name_inclusions):
959
sha1s[name].update(line)
962
version = self._idx_to_name(i)
963
hd = sha1s[version].hexdigest()
964
expected = self._sha1s[i]
521
965
if hd != expected:
522
raise WeaveError("mismatched sha1 for version %d; "
523
"got %s, expected %s"
524
% (version, hd, expected))
966
raise errors.WeaveInvalidChecksum(
967
"mismatched sha1 for version %s: "
968
"got %s, expected %s"
969
% (version, hd, expected))
526
971
# TODO: check insertions are properly nested, that there are
527
972
# no lines outside of insertion blocks, that deletions are
528
973
# 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):
975
def _join(self, other, pb, msg, version_ids, ignore_missing):
976
"""Worker routine for join()."""
977
if not other.versions():
978
return # nothing to update, easy
981
# versions is never none, InterWeave checks this.
984
# two loops so that we do not change ourselves before verifying it
986
# work through in index order to make sure we get all dependencies
989
# get the selected versions only that are in other.versions.
990
version_ids = set(other.versions()).intersection(set(version_ids))
991
# pull in the referenced graph.
992
version_ids = other.get_ancestry(version_ids)
993
pending_graph = [(version, other.get_parents(version)) for
994
version in version_ids]
995
for name in topo_sort(pending_graph):
996
other_idx = other._name_map[name]
997
# returns True if we have it, False if we need it.
998
if not self._check_version_consistent(other, other_idx, name):
999
names_to_join.append((other_idx, name))
1008
for other_idx, name in names_to_join:
1009
# TODO: If all the parents of the other version are already
1010
# present then we can avoid some work by just taking the delta
1011
# and adjusting the offsets.
1012
new_parents = self._imported_parents(other, other_idx)
1013
sha1 = other._sha1s[other_idx]
1018
pb.update(msg, merged, len(names_to_join))
1020
lines = other.get_lines(other_idx)
1021
self._add(name, lines, new_parents, sha1)
1023
mutter("merged = %d, processed = %d, file_id=%s; deltat=%d"%(
1024
merged, processed, self._weave_name, time.time()-time0))
1026
def _imported_parents(self, other, other_idx):
1027
"""Return list of parents in self corresponding to indexes in other."""
1029
for parent_idx in other._parents[other_idx]:
1030
parent_name = other._names[parent_idx]
1031
if parent_name not in self._name_map:
1032
# should not be possible
1033
raise WeaveError("missing parent {%s} of {%s} in %r"
1034
% (parent_name, other._name_map[other_idx], self))
1035
new_parents.append(self._name_map[parent_name])
1038
def _check_version_consistent(self, other, other_idx, name):
1039
"""Check if a version in consistent in this and other.
1041
To be consistent it must have:
1044
* the same direct parents (by name, not index, and disregarding
1047
If present & correct return True;
1048
if not present in self return False;
1049
if inconsistent raise error."""
1050
this_idx = self._name_map.get(name, -1)
1052
if self._sha1s[this_idx] != other._sha1s[other_idx]:
1053
raise errors.WeaveTextDiffers(name, self, other)
1054
self_parents = self._parents[this_idx]
1055
other_parents = other._parents[other_idx]
1056
n1 = set([self._names[i] for i in self_parents])
1057
n2 = set([other._names[i] for i in other_parents])
1058
if not self._compatible_parents(n1, n2):
1059
raise WeaveParentMismatch("inconsistent parents "
1060
"for version {%s}: %s vs %s" % (name, n1, n2))
1066
@deprecated_method(zero_eight)
1067
def reweave(self, other, pb=None, msg=None):
1068
"""reweave has been superceded by plain use of join."""
1069
return self.join(other, pb, msg)
1071
def _reweave(self, other, pb, msg):
1072
"""Reweave self with other - internal helper for join().
1074
:param other: The other weave to merge
1075
:param pb: An optional progress bar, indicating how far done we are
1076
:param msg: An optional message for the progress
1078
new_weave = _reweave(self, other, pb=pb, msg=msg)
1079
self._copy_weave_content(new_weave)
1081
def _copy_weave_content(self, otherweave):
1082
"""adsorb the content from otherweave."""
1083
for attr in self.__slots__:
1084
if attr != '_weave_name':
1085
setattr(self, attr, copy(getattr(otherweave, attr)))
1088
class WeaveFile(Weave):
1089
"""A WeaveFile represents a Weave on disk and writes on change."""
1091
WEAVE_SUFFIX = '.weave'
1093
def __init__(self, name, transport, filemode=None, create=False, access_mode='w'):
1094
"""Create a WeaveFile.
1096
:param create: If not True, only open an existing knit.
1098
super(WeaveFile, self).__init__(name, access_mode)
1099
self._transport = transport
1100
self._filemode = filemode
1102
_read_weave_v5(self._transport.get(name + WeaveFile.WEAVE_SUFFIX), self)
1103
except errors.NoSuchFile:
1109
def _add_lines(self, version_id, parents, lines, parent_texts):
1110
"""Add a version and save the weave."""
1111
result = super(WeaveFile, self)._add_lines(version_id, parents, lines,
1116
def _clone_text(self, new_version_id, old_version_id, parents):
1117
"""See VersionedFile.clone_text."""
1118
super(WeaveFile, self)._clone_text(new_version_id, old_version_id, parents)
1121
def copy_to(self, name, transport):
1122
"""See VersionedFile.copy_to()."""
1123
# as we are all in memory always, just serialise to the new place.
1125
write_weave_v5(self, sio)
1127
transport.put(name + WeaveFile.WEAVE_SUFFIX, sio, self._filemode)
1129
def create_empty(self, name, transport, filemode=None):
1130
return WeaveFile(name, transport, filemode, create=True)
1133
"""Save the weave."""
1134
self._check_write_ok()
1136
write_weave_v5(self, sio)
1138
self._transport.put(self._weave_name + WeaveFile.WEAVE_SUFFIX,
1144
"""See VersionedFile.get_suffixes()."""
1145
return [WeaveFile.WEAVE_SUFFIX]
1147
def join(self, other, pb=None, msg=None, version_ids=None,
1148
ignore_missing=False):
1149
"""Join other into self and save."""
1150
super(WeaveFile, self).join(other, pb, msg, version_ids, ignore_missing)
1154
@deprecated_function(zero_eight)
1155
def reweave(wa, wb, pb=None, msg=None):
1156
"""reweaving is deprecation, please just use weave.join()."""
1157
_reweave(wa, wb, pb, msg)
1159
def _reweave(wa, wb, pb=None, msg=None):
1160
"""Combine two weaves and return the result.
1162
This works even if a revision R has different parents in
1163
wa and wb. In the resulting weave all the parents are given.
1165
This is done by just building up a new weave, maintaining ordering
1166
of the versions in the two inputs. More efficient approaches
1167
might be possible but it should only be necessary to do
1168
this operation rarely, when a new previously ghost version is
1171
:param pb: An optional progress bar, indicating how far done we are
1172
:param msg: An optional message for the progress
1176
queue_a = range(wa.num_versions())
1177
queue_b = range(wb.num_versions())
1178
# first determine combined parents of all versions
1179
# map from version name -> all parent names
1180
combined_parents = _reweave_parent_graphs(wa, wb)
1181
mutter("combined parents: %r", combined_parents)
1182
order = topo_sort(combined_parents.iteritems())
1183
mutter("order to reweave: %r", order)
1188
for idx, name in enumerate(order):
1190
pb.update(msg, idx, len(order))
1191
if name in wa._name_map:
1192
lines = wa.get_lines(name)
1193
if name in wb._name_map:
1194
lines_b = wb.get_lines(name)
1195
if lines != lines_b:
1196
mutter('Weaves differ on content. rev_id {%s}', name)
1197
mutter('weaves: %s, %s', wa._weave_name, wb._weave_name)
1199
lines = list(difflib.unified_diff(lines, lines_b,
1200
wa._weave_name, wb._weave_name))
1201
mutter('lines:\n%s', ''.join(lines))
1202
raise errors.WeaveTextDiffers(name, wa, wb)
1204
lines = wb.get_lines(name)
1205
wr._add(name, lines, [wr._lookup(i) for i in combined_parents[name]])
1208
def _reweave_parent_graphs(wa, wb):
1209
"""Return combined parent ancestry for two weaves.
1211
Returned as a list of (version_name, set(parent_names))"""
1213
for weave in [wa, wb]:
1214
for idx, name in enumerate(weave._names):
1215
p = combined.setdefault(name, set())
1216
p.update(map(weave._idx_to_name, weave._parents[idx]))
1221
"""Show the weave's table-of-contents"""
1222
print '%6s %50s %10s %10s' % ('ver', 'name', 'sha1', 'parents')
1223
for i in (6, 50, 10, 10):
679
for i in range(w.numversions()):
1226
for i in range(w.num_versions()):
680
1227
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
1229
parent_str = ' '.join(map(str, w._parents[i]))
1230
print '%6d %-50.50s %10.10s %s' % (i, name, sha1, parent_str)
1234
def weave_stats(weave_file, pb):
687
1235
from bzrlib.weavefile import read_weave
691
1237
wf = file(weave_file, 'rb')
1238
w = read_weave(wf, WeaveVersionedFile)
693
1239
# FIXME: doesn't work on pipes
694
1240
weave_size = wf.tell()
831
1402
print ' '.join(map(str, w._parents[int(argv[3])]))
833
1404
elif cmd == 'plan-merge':
1405
# replaced by 'bzr weave-plan-merge'
835
1407
for state, line in w.plan_merge(int(argv[3]), int(argv[4])):
837
1409
print '%14s | %s' % (state, line),
839
1410
elif cmd == 'merge':
1411
# replaced by 'bzr weave-merge-text'
841
1413
p = w.plan_merge(int(argv[3]), int(argv[4]))
842
1414
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
1416
raise ValueError('unknown command %r' % cmd)
1420
def profile_main(argv):
1421
import tempfile, hotshot, hotshot.stats
1423
prof_f = tempfile.NamedTemporaryFile()
1425
prof = hotshot.Profile(prof_f.name)
1427
ret = prof.runcall(main, argv)
1430
stats = hotshot.stats.load(prof_f.name)
1432
stats.sort_stats('cumulative')
1433
## XXX: Might like to write to stderr or the trace file instead but
1434
## print_stats seems hardcoded to stdout
1435
stats.print_stats(20)
1440
def lsprofile_main(argv):
1441
from bzrlib.lsprof import profile
1442
ret,stats = profile(main, argv)
868
1448
if __name__ == '__main__':
870
sys.exit(main(sys.argv))
1450
if '--profile' in sys.argv:
1452
args.remove('--profile')
1453
sys.exit(profile_main(args))
1454
elif '--lsprof' in sys.argv:
1456
args.remove('--lsprof')
1457
sys.exit(lsprofile_main(args))
1459
sys.exit(main(sys.argv))
1462
class InterWeave(InterVersionedFile):
1463
"""Optimised code paths for weave to weave operations."""
1465
_matching_file_from_factory = staticmethod(WeaveFile)
1466
_matching_file_to_factory = staticmethod(WeaveFile)
1469
def is_compatible(source, target):
1470
"""Be compatible with weaves."""
1472
return (isinstance(source, Weave) and
1473
isinstance(target, Weave))
1474
except AttributeError:
1477
def join(self, pb=None, msg=None, version_ids=None, ignore_missing=False):
1478
"""See InterVersionedFile.join."""
1479
version_ids = self._get_source_version_ids(version_ids, ignore_missing)
1480
if self.target.versions() == [] and version_ids is None:
1481
self.target._copy_weave_content(self.source)
1484
self.target._join(self.source, pb, msg, version_ids, ignore_missing)
1485
except errors.WeaveParentMismatch:
1486
self.target._reweave(self.source, pb, msg)
1489
InterVersionedFile.register_optimiser(InterWeave)