71
69
from copy import copy
72
70
from cStringIO import StringIO
77
from bzrlib.trace import mutter
73
from bzrlib.lazy_import import lazy_import
74
lazy_import(globals(), """
75
from bzrlib import tsort
78
81
from bzrlib.errors import (WeaveError, WeaveFormatError, WeaveParentMismatch,
79
82
RevisionAlreadyPresent,
80
83
RevisionNotPresent,
81
WeaveRevisionAlreadyPresent,
82
WeaveRevisionNotPresent,
84
UnavailableRepresentation,
84
import bzrlib.errors as errors
85
from bzrlib.osutils import sha_strings
86
from bzrlib.osutils import dirname, sha, sha_strings, split_lines
86
87
import bzrlib.patiencediff
88
from bzrlib.revision import NULL_REVISION
87
89
from bzrlib.symbol_versioning import *
88
from bzrlib.tsort import topo_sort
89
from bzrlib.versionedfile import VersionedFile, InterVersionedFile
90
from bzrlib.trace import mutter
91
from bzrlib.versionedfile import (
90
98
from bzrlib.weavefile import _read_weave_v5, write_weave_v5
101
class WeaveContentFactory(ContentFactory):
102
"""Content factory for streaming from weaves.
104
:seealso ContentFactory:
107
def __init__(self, version, weave):
108
"""Create a WeaveContentFactory for version from weave."""
109
ContentFactory.__init__(self)
110
self.sha1 = weave.get_sha1s([version])[version]
111
self.key = (version,)
112
parents = weave.get_parent_map([version])[version]
113
self.parents = tuple((parent,) for parent in parents)
114
self.storage_kind = 'fulltext'
117
def get_bytes_as(self, storage_kind):
118
if storage_kind == 'fulltext':
119
return self._weave.get_text(self.key[-1])
120
elif storage_kind == 'chunked':
121
return self._weave.get_lines(self.key[-1])
123
raise UnavailableRepresentation(self.key, storage_kind, 'fulltext')
93
126
class Weave(VersionedFile):
94
127
"""weave - versioned text file storage.
96
129
A Weave manages versions of line-based text files, keeping track
97
130
of the originating version for each line.
217
270
return self._parents == other._parents \
218
271
and self._weave == other._weave \
219
and self._sha1s == other._sha1s
272
and self._sha1s == other._sha1s
221
274
def __ne__(self, other):
222
275
return not self.__eq__(other)
224
@deprecated_method(zero_eight)
225
def idx_to_name(self, index):
226
"""Old public interface, the public interface is all names now."""
229
277
def _idx_to_name(self, version):
230
278
return self._names[version]
232
@deprecated_method(zero_eight)
233
def lookup(self, name):
234
"""Backwards compatibility thunk:
236
Return name, as name is valid in the api now, and spew deprecation
241
280
def _lookup(self, name):
242
281
"""Convert symbolic version name to index."""
282
if not self._allow_reserved:
283
self.check_not_reserved_id(name)
244
285
return self._name_map[name]
246
287
raise RevisionNotPresent(name, self._weave_name)
248
@deprecated_method(zero_eight)
249
def iter_names(self):
250
"""Deprecated convenience function, please see VersionedFile.names()."""
251
return iter(self.names())
253
@deprecated_method(zero_eight)
255
"""See Weave.versions for the current api."""
256
return self.versions()
258
289
def versions(self):
259
290
"""See VersionedFile.versions."""
260
291
return self._names[:]
262
293
def has_version(self, version_id):
263
294
"""See VersionedFile.has_version."""
264
return self._name_map.has_key(version_id)
295
return (version_id in self._name_map)
266
297
__contains__ = has_version
268
def get_delta(self, version_id):
269
"""See VersionedFile.get_delta."""
270
return self.get_deltas([version_id])[version_id]
272
def get_deltas(self, version_ids):
273
"""See VersionedFile.get_deltas."""
274
version_ids = self.get_ancestry(version_ids)
299
def get_record_stream(self, versions, ordering, include_delta_closure):
300
"""Get a stream of records for versions.
302
:param versions: The versions to include. Each version is a tuple
304
:param ordering: Either 'unordered' or 'topological'. A topologically
305
sorted stream has compression parents strictly before their
307
:param include_delta_closure: If True then the closure across any
308
compression parents will be included (in the opaque data).
309
:return: An iterator of ContentFactory objects, each of which is only
310
valid until the iterator is advanced.
312
versions = [version[-1] for version in versions]
313
if ordering == 'topological':
314
parents = self.get_parent_map(versions)
315
new_versions = tsort.topo_sort(parents)
316
new_versions.extend(set(versions).difference(set(parents)))
317
versions = new_versions
318
elif ordering == 'groupcompress':
319
parents = self.get_parent_map(versions)
320
new_versions = sort_groupcompress(parents)
321
new_versions.extend(set(versions).difference(set(parents)))
322
versions = new_versions
323
for version in versions:
325
yield WeaveContentFactory(version, self)
327
yield AbsentContentFactory((version,))
329
def get_parent_map(self, version_ids):
330
"""See VersionedFile.get_parent_map."""
275
332
for version_id in version_ids:
276
if not self.has_version(version_id):
277
raise RevisionNotPresent(version_id, self)
278
# try extracting all versions; parallel extraction is used
279
nv = self.num_versions()
285
last_parent_lines = {}
287
parent_inclusions = {}
292
# its simplest to generate a full set of prepared variables.
294
name = self._names[i]
295
sha1s[name] = self.get_sha1(name)
296
parents_list = self.get_parents(name)
298
parent = parents_list[0]
299
parents[name] = parent
300
parent_inclusions[name] = inclusions[parent]
303
parent_inclusions[name] = set()
304
# we want to emit start, finish, replacement_length, replacement_lines tuples.
305
diff_hunks[name] = []
306
current_hunks[name] = [0, 0, 0, []] # #start, finish, repl_length, repl_tuples
307
parent_linenums[name] = 0
309
parent_noeols[name] = False
310
last_parent_lines[name] = None
311
new_inc = set([name])
312
for p in self._parents[i]:
313
new_inc.update(inclusions[self._idx_to_name(p)])
314
# debug only, known good so far.
315
#assert set(new_inc) == set(self.get_ancestry(name)), \
316
# 'failed %s != %s' % (set(new_inc), set(self.get_ancestry(name)))
317
inclusions[name] = new_inc
319
nlines = len(self._weave)
321
for lineno, inserted, deletes, line in self._walk_internal():
322
# a line is active in a version if:
323
# insert is in the versions inclusions
325
# deleteset & the versions inclusions is an empty set.
326
# so - if we have a included by mapping - version is included by
327
# children, we get a list of children to examine for deletes affect
328
# ing them, which is less than the entire set of children.
329
for version_id in version_ids:
330
# The active inclusion must be an ancestor,
331
# and no ancestors must have deleted this line,
332
# because we don't support resurrection.
333
parent_inclusion = parent_inclusions[version_id]
334
inclusion = inclusions[version_id]
335
parent_active = inserted in parent_inclusion and not (deletes & parent_inclusion)
336
version_active = inserted in inclusion and not (deletes & inclusion)
337
if not parent_active and not version_active:
338
# unrelated line of ancestry
333
if version_id == NULL_REVISION:
338
map(self._idx_to_name,
339
self._parents[self._lookup(version_id)]))
340
except RevisionNotPresent:
340
elif parent_active and version_active:
342
parent_linenum = parent_linenums[version_id]
343
if current_hunks[version_id] != [parent_linenum, parent_linenum, 0, []]:
344
diff_hunks[version_id].append(tuple(current_hunks[version_id]))
346
current_hunks[version_id] = [parent_linenum, parent_linenum, 0, []]
347
parent_linenums[version_id] = parent_linenum
350
noeols[version_id] = True
353
elif parent_active and not version_active:
355
current_hunks[version_id][1] += 1
356
parent_linenums[version_id] += 1
357
last_parent_lines[version_id] = line
358
elif not parent_active and version_active:
360
# noeol only occurs at the end of a file because we
361
# diff linewise. We want to show noeol changes as a
362
# empty diff unless the actual eol-less content changed.
365
if last_parent_lines[version_id][-1] != '\n':
366
parent_noeols[version_id] = True
367
except (TypeError, IndexError):
370
if theline[-1] != '\n':
371
noeols[version_id] = True
375
parent_should_go = False
377
if parent_noeols[version_id] == noeols[version_id]:
378
# no noeol toggle, so trust the weaves statement
379
# that this line is changed.
381
if parent_noeols[version_id]:
382
theline = theline + '\n'
383
elif parent_noeols[version_id]:
384
# parent has no eol, we do:
385
# our line is new, report as such..
387
elif noeols[version_id]:
388
# append a eol so that it looks like
390
theline = theline + '\n'
391
if parents[version_id] is not None:
392
#if last_parent_lines[version_id] is not None:
393
parent_should_go = True
394
if last_parent_lines[version_id] != theline:
397
#parent_should_go = False
399
current_hunks[version_id][2] += 1
400
current_hunks[version_id][3].append((inserted, theline))
402
# last hunk last parent line is not eaten
403
current_hunks[version_id][1] -= 1
404
if current_hunks[version_id][1] < 0:
405
current_hunks[version_id][1] = 0
406
# import pdb;pdb.set_trace()
407
# assert current_hunks[version_id][1] >= 0
411
version = self._idx_to_name(i)
412
if current_hunks[version] != [0, 0, 0, []]:
413
diff_hunks[version].append(tuple(current_hunks[version]))
415
for version_id in version_ids:
416
result[version_id] = (
420
diff_hunks[version_id],
342
result[version_id] = parents
424
def get_parents(self, version_id):
425
"""See VersionedFile.get_parent."""
426
return map(self._idx_to_name, self._parents[self._lookup(version_id)])
345
def get_parents_with_ghosts(self, version_id):
346
raise NotImplementedError(self.get_parents_with_ghosts)
348
def insert_record_stream(self, stream):
349
"""Insert a record stream into this versioned file.
351
:param stream: A stream of records to insert.
353
:seealso VersionedFile.get_record_stream:
356
for record in stream:
357
# Raise an error when a record is missing.
358
if record.storage_kind == 'absent':
359
raise RevisionNotPresent([record.key[0]], self)
360
# adapt to non-tuple interface
361
parents = [parent[0] for parent in record.parents]
362
if (record.storage_kind == 'fulltext'
363
or record.storage_kind == 'chunked'):
364
self.add_lines(record.key[0], parents,
365
osutils.chunks_to_lines(record.get_bytes_as('chunked')))
367
adapter_key = record.storage_kind, 'fulltext'
369
adapter = adapters[adapter_key]
371
adapter_factory = adapter_registry.get(adapter_key)
372
adapter = adapter_factory(self)
373
adapters[adapter_key] = adapter
374
lines = split_lines(adapter.get_bytes(record))
376
self.add_lines(record.key[0], parents, lines)
377
except RevisionAlreadyPresent:
428
380
def _check_repeated_add(self, name, parents, text, sha1):
429
381
"""Check that a duplicated add is OK.
436
388
raise RevisionAlreadyPresent(name, self._weave_name)
439
@deprecated_method(zero_eight)
440
def add_identical(self, old_rev_id, new_rev_id, parents):
441
"""Please use Weave.clone_text now."""
442
return self.clone_text(new_rev_id, old_rev_id, parents)
444
def _add_lines(self, version_id, parents, lines, parent_texts):
391
def _add_lines(self, version_id, parents, lines, parent_texts,
392
left_matching_blocks, nostore_sha, random_id, check_content):
445
393
"""See VersionedFile.add_lines."""
446
return self._add(version_id, lines, map(self._lookup, parents))
448
@deprecated_method(zero_eight)
449
def add(self, name, parents, text, sha1=None):
450
"""See VersionedFile.add_lines for the non deprecated api."""
451
return self._add(name, text, map(self._maybe_lookup, parents), sha1)
453
def _add(self, version_id, lines, parents, sha1=None):
394
idx = self._add(version_id, lines, map(self._lookup, parents),
395
nostore_sha=nostore_sha)
396
return sha_strings(lines), sum(map(len, lines)), idx
398
def _add(self, version_id, lines, parents, sha1=None, nostore_sha=None):
454
399
"""Add a single text on top of the weave.
456
401
Returns the index number of the newly added version.
459
404
Symbolic name for this version.
460
405
(Typically the revision-id of the revision that added it.)
406
If None, a name will be allocated based on the hash. (sha1:SHAHASH)
463
409
List or set of direct parent version numbers.
466
412
Sequence of lines to be added in the new version.
414
:param nostore_sha: See VersionedFile.add_lines.
469
assert isinstance(version_id, basestring)
470
416
self._check_lines_not_unicode(lines)
471
417
self._check_lines_are_lines(lines)
473
419
sha1 = sha_strings(lines)
420
if sha1 == nostore_sha:
421
raise errors.ExistingContent
422
if version_id is None:
423
version_id = "sha1:" + sha1
474
424
if version_id in self._name_map:
475
425
return self._check_repeated_add(version_id, parents, lines, sha1)
628
557
def _compatible_parents(self, my_parents, other_parents):
629
558
"""During join check that other_parents are joinable with my_parents.
631
Joinable is defined as 'is a subset of' - supersets may require
560
Joinable is defined as 'is a subset of' - supersets may require
632
561
regeneration of diffs, but subsets do not.
634
563
return len(other_parents.difference(my_parents)) == 0
636
565
def annotate(self, version_id):
637
if isinstance(version_id, int):
638
warn('Weave.annotate(int) is deprecated. Please use version names'
639
' in all circumstances as of 0.8',
644
for origin, lineno, text in self._extract([version_id]):
645
result.append((origin, text))
648
return super(Weave, self).annotate(version_id)
650
def annotate_iter(self, version_id):
651
"""Yield list of (version-id, line) pairs for the specified version.
566
"""Return a list of (version-id, line) tuples for version_id.
653
568
The index indicates when the line originated in the weave."""
654
569
incls = [self._lookup(version_id)]
655
for origin, lineno, text in self._extract(incls):
656
yield self._idx_to_name(origin), text
658
@deprecated_method(zero_eight)
660
"""_walk has become visit, a supported api."""
661
return self._walk_internal()
663
def iter_lines_added_or_present_in_versions(self, version_ids=None):
570
return [(self._idx_to_name(origin), text) for origin, lineno, text in
571
self._extract(incls)]
573
def iter_lines_added_or_present_in_versions(self, version_ids=None,
664
575
"""See VersionedFile.iter_lines_added_or_present_in_versions()."""
665
576
if version_ids is None:
666
577
version_ids = self.versions()
667
578
version_ids = set(version_ids)
668
579
for lineno, inserted, deletes, line in self._walk_internal(version_ids):
669
# if inserted not in version_ids then it was inserted before the
670
# versions we care about, but because weaves cannot represent ghosts
671
# properly, we do not filter down to that
672
# if inserted not in version_ids: continue
580
if inserted not in version_ids: continue
673
581
if line[-1] != '\n':
582
yield line + '\n', inserted
678
#@deprecated_method(zero_eight)
679
def walk(self, version_ids=None):
680
"""See VersionedFile.walk."""
681
return self._walk_internal(version_ids)
683
586
def _walk_internal(self, version_ids=None):
684
587
"""Helper method for weave actions."""
976
848
# no lines outside of insertion blocks, that deletions are
977
849
# properly paired, etc.
979
def _join(self, other, pb, msg, version_ids, ignore_missing):
980
"""Worker routine for join()."""
981
if not other.versions():
982
return # nothing to update, easy
985
# versions is never none, InterWeave checks this.
988
# two loops so that we do not change ourselves before verifying it
990
# work through in index order to make sure we get all dependencies
993
# get the selected versions only that are in other.versions.
994
version_ids = set(other.versions()).intersection(set(version_ids))
995
# pull in the referenced graph.
996
version_ids = other.get_ancestry(version_ids)
997
pending_graph = [(version, other.get_parents(version)) for
998
version in version_ids]
999
for name in topo_sort(pending_graph):
1000
other_idx = other._name_map[name]
1001
# returns True if we have it, False if we need it.
1002
if not self._check_version_consistent(other, other_idx, name):
1003
names_to_join.append((other_idx, name))
1012
for other_idx, name in names_to_join:
1013
# TODO: If all the parents of the other version are already
1014
# present then we can avoid some work by just taking the delta
1015
# and adjusting the offsets.
1016
new_parents = self._imported_parents(other, other_idx)
1017
sha1 = other._sha1s[other_idx]
1022
pb.update(msg, merged, len(names_to_join))
1024
lines = other.get_lines(other_idx)
1025
self._add(name, lines, new_parents, sha1)
1027
mutter("merged = %d, processed = %d, file_id=%s; deltat=%d"%(
1028
merged, processed, self._weave_name, time.time()-time0))
1030
851
def _imported_parents(self, other, other_idx):
1031
852
"""Return list of parents in self corresponding to indexes in other."""
1032
853
new_parents = []
1093
909
"""A WeaveFile represents a Weave on disk and writes on change."""
1095
911
WEAVE_SUFFIX = '.weave'
1097
def __init__(self, name, transport, filemode=None, create=False, access_mode='w'):
913
def __init__(self, name, transport, filemode=None, create=False, access_mode='w', get_scope=None):
1098
914
"""Create a WeaveFile.
1100
916
:param create: If not True, only open an existing knit.
1102
super(WeaveFile, self).__init__(name, access_mode)
918
super(WeaveFile, self).__init__(name, access_mode, get_scope=get_scope,
919
allow_reserved=False)
1103
920
self._transport = transport
1104
921
self._filemode = filemode
1106
_read_weave_v5(self._transport.get(name + WeaveFile.WEAVE_SUFFIX), self)
923
f = self._transport.get(name + WeaveFile.WEAVE_SUFFIX)
924
_read_weave_v5(StringIO(f.read()), self)
1107
925
except errors.NoSuchFile:
1110
928
# new file, save it
1113
def _add_lines(self, version_id, parents, lines, parent_texts):
931
def _add_lines(self, version_id, parents, lines, parent_texts,
932
left_matching_blocks, nostore_sha, random_id, check_content):
1114
933
"""Add a version and save the weave."""
934
self.check_not_reserved_id(version_id)
1115
935
result = super(WeaveFile, self)._add_lines(version_id, parents, lines,
936
parent_texts, left_matching_blocks, nostore_sha, random_id,
1120
def _clone_text(self, new_version_id, old_version_id, parents):
1121
"""See VersionedFile.clone_text."""
1122
super(WeaveFile, self)._clone_text(new_version_id, old_version_id, parents)
1125
941
def copy_to(self, name, transport):
1126
942
"""See VersionedFile.copy_to()."""
1127
943
# as we are all in memory always, just serialise to the new place.
1128
944
sio = StringIO()
1129
945
write_weave_v5(self, sio)
1131
transport.put(name + WeaveFile.WEAVE_SUFFIX, sio, self._filemode)
1133
def create_empty(self, name, transport, filemode=None):
1134
return WeaveFile(name, transport, filemode, create=True)
947
transport.put_file(name + WeaveFile.WEAVE_SUFFIX, sio, self._filemode)
1136
949
def _save(self):
1137
950
"""Save the weave."""
1139
952
sio = StringIO()
1140
953
write_weave_v5(self, sio)
1142
self._transport.put(self._weave_name + WeaveFile.WEAVE_SUFFIX,
955
bytes = sio.getvalue()
956
path = self._weave_name + WeaveFile.WEAVE_SUFFIX
958
self._transport.put_bytes(path, bytes, self._filemode)
959
except errors.NoSuchFile:
960
self._transport.mkdir(dirname(path))
961
self._transport.put_bytes(path, bytes, self._filemode)
1147
964
def get_suffixes():
1148
965
"""See VersionedFile.get_suffixes()."""
1149
966
return [WeaveFile.WEAVE_SUFFIX]
1151
def join(self, other, pb=None, msg=None, version_ids=None,
1152
ignore_missing=False):
1153
"""Join other into self and save."""
1154
super(WeaveFile, self).join(other, pb, msg, version_ids, ignore_missing)
968
def insert_record_stream(self, stream):
969
super(WeaveFile, self).insert_record_stream(stream)
1158
@deprecated_function(zero_eight)
1159
def reweave(wa, wb, pb=None, msg=None):
1160
"""reweaving is deprecation, please just use weave.join()."""
1161
_reweave(wa, wb, pb, msg)
1163
973
def _reweave(wa, wb, pb=None, msg=None):
1164
974
"""Combine two weaves and return the result.
1166
This works even if a revision R has different parents in
976
This works even if a revision R has different parents in
1167
977
wa and wb. In the resulting weave all the parents are given.
1169
This is done by just building up a new weave, maintaining ordering
979
This is done by just building up a new weave, maintaining ordering
1170
980
of the versions in the two inputs. More efficient approaches
1171
might be possible but it should only be necessary to do
1172
this operation rarely, when a new previously ghost version is
981
might be possible but it should only be necessary to do
982
this operation rarely, when a new previously ghost version is
1175
985
:param pb: An optional progress bar, indicating how far done we are
1219
1030
p = combined.setdefault(name, set())
1220
1031
p.update(map(weave._idx_to_name, weave._parents[idx]))
1221
1032
return combined
1225
"""Show the weave's table-of-contents"""
1226
print '%6s %50s %10s %10s' % ('ver', 'name', 'sha1', 'parents')
1227
for i in (6, 50, 10, 10):
1230
for i in range(w.num_versions()):
1233
parent_str = ' '.join(map(str, w._parents[i]))
1234
print '%6d %-50.50s %10.10s %s' % (i, name, sha1, parent_str)
1238
def weave_stats(weave_file, pb):
1239
from bzrlib.weavefile import read_weave
1241
wf = file(weave_file, 'rb')
1242
w = read_weave(wf, WeaveVersionedFile)
1243
# FIXME: doesn't work on pipes
1244
weave_size = wf.tell()
1248
for i in range(vers):
1249
pb.update('checking sizes', i, vers)
1250
for origin, lineno, line in w._extract([i]):
1255
print 'versions %9d' % vers
1256
print 'weave file %9d bytes' % weave_size
1257
print 'total contents %9d bytes' % total
1258
print 'compression ratio %9.2fx' % (float(total) / float(weave_size))
1261
print 'average size %9d bytes' % avg
1262
print 'relative size %9.2fx' % (float(weave_size) / float(avg))
1266
print """bzr weave tool
1268
Experimental tool for weave algorithm.
1271
weave init WEAVEFILE
1272
Create an empty weave file
1273
weave get WEAVEFILE VERSION
1274
Write out specified version.
1275
weave check WEAVEFILE
1276
Check consistency of all versions.
1278
Display table of contents.
1279
weave add WEAVEFILE NAME [BASE...] < NEWTEXT
1280
Add NEWTEXT, with specified parent versions.
1281
weave annotate WEAVEFILE VERSION
1282
Display origin of each line.
1283
weave merge WEAVEFILE VERSION1 VERSION2 > OUT
1284
Auto-merge two versions and display conflicts.
1285
weave diff WEAVEFILE VERSION1 VERSION2
1286
Show differences between two versions.
1290
% weave init foo.weave
1292
% weave add foo.weave ver0 < foo.txt
1295
(create updated version)
1297
% weave get foo.weave 0 | diff -u - foo.txt
1298
% weave add foo.weave ver1 0 < foo.txt
1301
% weave get foo.weave 0 > foo.txt (create forked version)
1303
% weave add foo.weave ver2 0 < foo.txt
1306
% weave merge foo.weave 1 2 > foo.txt (merge them)
1307
% vi foo.txt (resolve conflicts)
1308
% weave add foo.weave merged 1 2 < foo.txt (commit merged version)
1320
# in case we're run directly from the subdirectory
1321
sys.path.append('..')
1323
from bzrlib.weavefile import write_weave, read_weave
1324
from bzrlib.progress import ProgressBar
1339
return read_weave(file(argv[2], 'rb'))
1345
# at the moment, based on everything in the file
1347
parents = map(int, argv[4:])
1348
lines = sys.stdin.readlines()
1349
ver = w.add(name, parents, lines)
1350
write_weave(w, file(argv[2], 'wb'))
1351
print 'added version %r %d' % (name, ver)
1354
if os.path.exists(fn):
1355
raise IOError("file exists")
1357
write_weave(w, file(fn, 'wb'))
1358
elif cmd == 'get': # get one version
1360
sys.stdout.writelines(w.get_iter(int(argv[3])))
1365
v1, v2 = map(int, argv[3:5])
1368
diff_gen = bzrlib.patiencediff.unified_diff(lines1, lines2,
1369
'%s version %d' % (fn, v1),
1370
'%s version %d' % (fn, v2))
1371
sys.stdout.writelines(diff_gen)
1373
elif cmd == 'annotate':
1375
# newline is added to all lines regardless; too hard to get
1376
# reasonable formatting otherwise
1378
for origin, text in w.annotate(int(argv[3])):
1379
text = text.rstrip('\r\n')
1381
print ' | %s' % (text)
1383
print '%5d | %s' % (origin, text)
1389
elif cmd == 'stats':
1390
weave_stats(argv[2], ProgressBar())
1392
elif cmd == 'check':
1397
print '%d versions ok' % w.num_versions()
1399
elif cmd == 'inclusions':
1401
print ' '.join(map(str, w.inclusions([int(argv[3])])))
1403
elif cmd == 'parents':
1405
print ' '.join(map(str, w._parents[int(argv[3])]))
1407
elif cmd == 'plan-merge':
1408
# replaced by 'bzr weave-plan-merge'
1410
for state, line in w.plan_merge(int(argv[3]), int(argv[4])):
1412
print '%14s | %s' % (state, line),
1413
elif cmd == 'merge':
1414
# replaced by 'bzr weave-merge-text'
1416
p = w.plan_merge(int(argv[3]), int(argv[4]))
1417
sys.stdout.writelines(w.weave_merge(p))
1419
raise ValueError('unknown command %r' % cmd)
1423
def profile_main(argv):
1424
import tempfile, hotshot, hotshot.stats
1426
prof_f = tempfile.NamedTemporaryFile()
1428
prof = hotshot.Profile(prof_f.name)
1430
ret = prof.runcall(main, argv)
1433
stats = hotshot.stats.load(prof_f.name)
1435
stats.sort_stats('cumulative')
1436
## XXX: Might like to write to stderr or the trace file instead but
1437
## print_stats seems hardcoded to stdout
1438
stats.print_stats(20)
1443
def lsprofile_main(argv):
1444
from bzrlib.lsprof import profile
1445
ret,stats = profile(main, argv)
1451
if __name__ == '__main__':
1453
if '--profile' in sys.argv:
1455
args.remove('--profile')
1456
sys.exit(profile_main(args))
1457
elif '--lsprof' in sys.argv:
1459
args.remove('--lsprof')
1460
sys.exit(lsprofile_main(args))
1462
sys.exit(main(sys.argv))
1465
class InterWeave(InterVersionedFile):
1466
"""Optimised code paths for weave to weave operations."""
1468
_matching_file_from_factory = staticmethod(WeaveFile)
1469
_matching_file_to_factory = staticmethod(WeaveFile)
1472
def is_compatible(source, target):
1473
"""Be compatible with weaves."""
1475
return (isinstance(source, Weave) and
1476
isinstance(target, Weave))
1477
except AttributeError:
1480
def join(self, pb=None, msg=None, version_ids=None, ignore_missing=False):
1481
"""See InterVersionedFile.join."""
1482
version_ids = self._get_source_version_ids(version_ids, ignore_missing)
1483
if self.target.versions() == [] and version_ids is None:
1484
self.target._copy_weave_content(self.source)
1487
self.target._join(self.source, pb, msg, version_ids, ignore_missing)
1488
except errors.WeaveParentMismatch:
1489
self.target._reweave(self.source, pb, msg)
1492
InterVersionedFile.register_optimiser(InterWeave)