48
59
trees or versioned trees.
62
def changes_from(self, other, want_unchanged=False, specific_files=None,
63
extra_trees=None, require_versioned=False, include_root=False,
64
want_unversioned=False):
65
"""Return a TreeDelta of the changes from other to this tree.
67
:param other: A tree to compare with.
68
:param specific_files: An optional list of file paths to restrict the
69
comparison to. When mapping filenames to ids, all matches in all
70
trees (including optional extra_trees) are used, and all children of
71
matched directories are included.
72
:param want_unchanged: An optional boolean requesting the inclusion of
73
unchanged entries in the result.
74
:param extra_trees: An optional list of additional trees to use when
75
mapping the contents of specific_files (paths) to file_ids.
76
:param require_versioned: An optional boolean (defaults to False). When
77
supplied and True all the 'specific_files' must be versioned, or
78
a PathsNotVersionedError will be thrown.
79
:param want_unversioned: Scan for unversioned paths.
81
The comparison will be performed by an InterTree object looked up on
84
# Martin observes that Tree.changes_from returns a TreeDelta and this
85
# may confuse people, because the class name of the returned object is
86
# a synonym of the object referenced in the method name.
87
return InterTree.get(other, self).compare(
88
want_unchanged=want_unchanged,
89
specific_files=specific_files,
90
extra_trees=extra_trees,
91
require_versioned=require_versioned,
92
include_root=include_root,
93
want_unversioned=want_unversioned,
96
def _iter_changes(self, from_tree, include_unchanged=False,
97
specific_files=None, pb=None, extra_trees=None,
98
require_versioned=True, want_unversioned=False):
99
intertree = InterTree.get(from_tree, self)
100
return intertree._iter_changes(include_unchanged, specific_files, pb,
101
extra_trees, require_versioned, want_unversioned=want_unversioned)
104
"""Get a list of the conflicts in the tree.
106
Each conflict is an instance of bzrlib.conflicts.Conflict.
108
return _mod_conflicts.ConflictList()
111
"""For trees that can have unversioned files, return all such paths."""
114
def get_parent_ids(self):
115
"""Get the parent ids for this tree.
117
:return: a list of parent ids. [] is returned to indicate
118
a tree with no parents.
119
:raises: BzrError if the parents are not known.
121
raise NotImplementedError(self.get_parent_ids)
51
123
def has_filename(self, filename):
52
124
"""True if the tree has given filename."""
53
raise NotImplementedError()
125
raise NotImplementedError(self.has_filename)
55
127
def has_id(self, file_id):
56
128
return self.inventory.has_id(file_id)
130
__contains__ = has_id
58
132
def has_or_had_id(self, file_id):
59
133
if file_id == self.inventory.root.file_id:
61
135
return self.inventory.has_id(file_id)
137
def is_ignored(self, filename):
138
"""Check whether the filename is ignored by this tree.
140
:param filename: The relative filename within the tree.
141
:return: True if the filename is ignored.
65
145
def __iter__(self):
66
146
return iter(self.inventory)
68
148
def id2path(self, file_id):
149
"""Return the path for a file id.
69
153
return self.inventory.id2path(file_id)
155
def is_control_filename(self, filename):
156
"""True if filename is the name of a control file in this tree.
158
:param filename: A filename within the tree. This is a relative path
159
from the root of this tree.
161
This is true IF and ONLY IF the filename is part of the meta data
162
that bzr controls in this tree. I.E. a random .bzr directory placed
163
on disk will not be a control file for this tree.
165
return self.bzrdir.is_control_filename(filename)
168
def iter_entries_by_dir(self, specific_file_ids=None):
169
"""Walk the tree in 'by_dir' order.
171
This will yield each entry in the tree as a (path, entry) tuple. The
172
order that they are yielded is: the contents of a directory are
173
preceeded by the parent of a directory, and all the contents of a
174
directory are grouped together.
176
return self.inventory.iter_entries_by_dir(
177
specific_file_ids=specific_file_ids)
179
def iter_references(self):
180
for path, entry in self.iter_entries_by_dir():
181
if entry.kind == 'tree-reference':
182
yield path, entry.file_id
71
184
def kind(self, file_id):
72
raise NotImplementedError("subclasses must implement kind")
185
raise NotImplementedError("Tree subclass %s must implement kind"
186
% self.__class__.__name__)
188
def path_content_summary(self, path):
189
"""Get a summary of the information about path.
191
:param path: A relative path within the tree.
192
:return: A tuple containing kind, size, exec, sha1-or-link.
193
Kind is always present (see tree.kind()).
194
size is present if kind is file, None otherwise.
195
exec is None unless kind is file and the platform supports the 'x'
197
sha1-or-link is the link target if kind is symlink, or the sha1 if
198
it can be obtained without reading the file.
200
raise NotImplementedError(self.path_content_summary)
202
def get_reference_revision(self, file_id, path=None):
203
raise NotImplementedError("Tree subclass %s must implement "
204
"get_reference_revision"
205
% self.__class__.__name__)
207
def _comparison_data(self, entry, path):
208
"""Return a tuple of kind, executable, stat_value for a file.
210
entry may be None if there is no inventory entry for the file, but
211
path must always be supplied.
213
kind is None if there is no file present (even if an inventory id is
214
present). executable is False for non-file entries.
216
raise NotImplementedError(self._comparison_data)
218
def _file_size(self, entry, stat_value):
219
raise NotImplementedError(self._file_size)
74
221
def _get_inventory(self):
75
222
return self._inventory
224
def get_file(self, file_id, path=None):
225
"""Return a file object for the file file_id in the tree.
227
If both file_id and path are defined, it is implementation defined as
228
to which one is used.
230
raise NotImplementedError(self.get_file)
232
def get_file_mtime(self, file_id, path=None):
233
"""Return the modification time for a file.
235
:param file_id: The handle for this file.
236
:param path: The path that this file can be found at.
237
These must point to the same object.
239
raise NotImplementedError(self.get_file_mtime)
77
241
def get_file_by_path(self, path):
78
return self.get_file(self._inventory.path2id(path))
242
return self.get_file(self._inventory.path2id(path), path)
244
def iter_files_bytes(self, desired_files):
245
"""Iterate through file contents.
247
Files will not necessarily be returned in the order they occur in
248
desired_files. No specific order is guaranteed.
250
Yields pairs of identifier, bytes_iterator. identifier is an opaque
251
value supplied by the caller as part of desired_files. It should
252
uniquely identify the file version in the caller's context. (Examples:
253
an index number or a TreeTransform trans_id.)
255
bytes_iterator is an iterable of bytestrings for the file. The
256
kind of iterable and length of the bytestrings are unspecified, but for
257
this implementation, it is a tuple containing a single bytestring with
258
the complete text of the file.
260
:param desired_files: a list of (file_id, identifier) pairs
262
for file_id, identifier in desired_files:
263
# We wrap the string in a tuple so that we can return an iterable
264
# of bytestrings. (Technically, a bytestring is also an iterable
265
# of bytestrings, but iterating through each character is not
267
cur_file = (self.get_file_text(file_id),)
268
yield identifier, cur_file
270
def get_symlink_target(self, file_id):
271
"""Get the target for a given file_id.
273
It is assumed that the caller already knows that file_id is referencing
275
:param file_id: Handle for the symlink entry.
276
:return: The path the symlink points to.
278
raise NotImplementedError(self.get_symlink_target)
280
def annotate_iter(self, file_id):
281
"""Return an iterator of revision_id, line tuples.
283
For working trees (and mutable trees in general), the special
284
revision_id 'current:' will be used for lines that are new in this
285
tree, e.g. uncommitted changes.
286
:param file_id: The file to produce an annotated version from
288
raise NotImplementedError(self.annotate_iter)
290
def plan_file_merge(self, file_id, other):
291
"""Generate a merge plan based on annotations.
293
If the file contains uncommitted changes in this tree, they will be
294
attributed to the 'current:' pseudo-revision. If the file contains
295
uncommitted changes in the other tree, they will be assigned to the
296
'other:' pseudo-revision.
298
from bzrlib import merge
299
annotated_a = list(self.annotate_iter(file_id,
300
_mod_revision.CURRENT_REVISION))
301
annotated_b = list(other.annotate_iter(file_id, 'other:'))
302
ancestors_a = self._get_ancestors(_mod_revision.CURRENT_REVISION)
303
ancestors_b = other._get_ancestors('other:')
304
return merge._plan_annotate_merge(annotated_a, annotated_b,
305
ancestors_a, ancestors_b)
80
307
inventory = property(_get_inventory,
81
308
doc="Inventory of this Tree")
99
326
"file is actually %s" % fp['sha1'],
100
327
"store is probably damaged/corrupt"])
330
def path2id(self, path):
331
"""Return the id for path in this tree."""
332
return self._inventory.path2id(path)
334
def paths2ids(self, paths, trees=[], require_versioned=True):
335
"""Return all the ids that can be reached by walking from paths.
337
Each path is looked up in this tree and any extras provided in
338
trees, and this is repeated recursively: the children in an extra tree
339
of a directory that has been renamed under a provided path in this tree
340
are all returned, even if none exist under a provided path in this
341
tree, and vice versa.
343
:param paths: An iterable of paths to start converting to ids from.
344
Alternatively, if paths is None, no ids should be calculated and None
345
will be returned. This is offered to make calling the api unconditional
346
for code that *might* take a list of files.
347
:param trees: Additional trees to consider.
348
:param require_versioned: If False, do not raise NotVersionedError if
349
an element of paths is not versioned in this tree and all of trees.
351
return find_ids_across_trees(paths, [self] + list(trees), require_versioned)
103
353
def print_file(self, file_id):
104
354
"""Print file with id `file_id` to stdout."""
106
356
sys.stdout.write(self.get_file_text(file_id))
109
class RevisionTree(Tree):
110
"""Tree viewing a previous revision.
112
File text can be retrieved from the text store.
114
TODO: Some kind of `__repr__` method, but a good one
115
probably means knowing the branch and revision number,
116
or at least passing a description to the constructor.
119
def __init__(self, branch, inv, revision_id):
120
self._branch = branch
121
self._weave_store = branch.weave_store
122
self._inventory = inv
123
self._revision_id = revision_id
125
def get_weave(self, file_id):
126
import bzrlib.transactions as transactions
127
return self._weave_store.get_weave(file_id,
128
self._branch.get_transaction())
130
def get_weave_prelude(self, file_id):
131
import bzrlib.transactions as transactions
132
return self._weave_store.get_weave_prelude(file_id,
133
self._branch.get_transaction())
135
def get_file_lines(self, file_id):
136
ie = self._inventory[file_id]
137
weave = self.get_weave(file_id)
138
return weave.get(ie.revision)
140
def get_file_text(self, file_id):
141
return ''.join(self.get_file_lines(file_id))
143
def get_file(self, file_id):
144
return StringIO(self.get_file_text(file_id))
146
def get_file_size(self, file_id):
147
return self._inventory[file_id].text_size
149
def get_file_sha1(self, file_id):
150
ie = self._inventory[file_id]
151
if ie.kind == "file":
154
def is_executable(self, file_id):
155
ie = self._inventory[file_id]
156
if ie.kind != "file":
158
return self._inventory[file_id].executable
160
def has_filename(self, filename):
161
return bool(self.inventory.path2id(filename))
163
def list_files(self):
164
# The only files returned by this are those from the version
165
for path, entry in self.inventory.iter_entries():
166
yield path, 'V', entry.kind, entry.file_id, entry
168
def get_symlink_target(self, file_id):
169
ie = self._inventory[file_id]
170
return ie.symlink_target;
172
def kind(self, file_id):
173
return self._inventory[file_id].kind
361
def revision_tree(self, revision_id):
362
"""Obtain a revision tree for the revision revision_id.
364
The intention of this method is to allow access to possibly cached
365
tree data. Implementors of this method should raise NoSuchRevision if
366
the tree is not locally available, even if they could obtain the
367
tree via a repository or some other means. Callers are responsible
368
for finding the ultimate source for a revision tree.
370
:param revision_id: The revision_id of the requested tree.
372
:raises: NoSuchRevision if the tree cannot be obtained.
374
raise errors.NoSuchRevisionInTree(self, revision_id)
377
"""What files are present in this tree and unknown.
379
:return: an iterator over the unknown files.
386
def filter_unversioned_files(self, paths):
387
"""Filter out paths that are versioned.
389
:return: set of paths.
391
# NB: we specifically *don't* call self.has_filename, because for
392
# WorkingTrees that can indicate files that exist on disk but that
394
pred = self.inventory.has_filename
395
return set((p for p in paths if not pred(p)))
397
def walkdirs(self, prefix=""):
398
"""Walk the contents of this tree from path down.
400
This yields all the data about the contents of a directory at a time.
401
After each directory has been yielded, if the caller has mutated the
402
list to exclude some directories, they are then not descended into.
404
The data yielded is of the form:
405
((directory-relpath, directory-path-from-root, directory-fileid),
406
[(relpath, basename, kind, lstat, path_from_tree_root, file_id,
407
versioned_kind), ...]),
408
- directory-relpath is the containing dirs relpath from prefix
409
- directory-path-from-root is the containing dirs path from /
410
- directory-fileid is the id of the directory if it is versioned.
411
- relpath is the relative path within the subtree being walked.
412
- basename is the basename
413
- kind is the kind of the file now. If unknonwn then the file is not
414
present within the tree - but it may be recorded as versioned. See
416
- lstat is the stat data *if* the file was statted.
417
- path_from_tree_root is the path from the root of the tree.
418
- file_id is the file_id if the entry is versioned.
419
- versioned_kind is the kind of the file as last recorded in the
420
versioning system. If 'unknown' the file is not versioned.
421
One of 'kind' and 'versioned_kind' must not be 'unknown'.
423
:param prefix: Start walking from prefix within the tree rather than
424
at the root. This allows one to walk a subtree but get paths that are
425
relative to a tree rooted higher up.
426
:return: an iterator over the directory data.
428
raise NotImplementedError(self.walkdirs)
176
431
class EmptyTree(Tree):
177
433
def __init__(self):
178
self._inventory = Inventory()
434
self._inventory = Inventory(root_id=None)
435
symbol_versioning.warn('EmptyTree is deprecated as of bzr 0.9 please'
436
' use repository.revision_tree instead.',
437
DeprecationWarning, stacklevel=2)
439
def get_parent_ids(self):
180
442
def get_symlink_target(self, file_id):
263
524
yield (old_name, new_name)
527
def find_ids_across_trees(filenames, trees, require_versioned=True):
528
"""Find the ids corresponding to specified filenames.
530
All matches in all trees will be used, and all children of matched
531
directories will be used.
533
:param filenames: The filenames to find file_ids for (if None, returns
535
:param trees: The trees to find file_ids within
536
:param require_versioned: if true, all specified filenames must occur in
538
:return: a set of file ids for the specified filenames and their children.
542
specified_path_ids = _find_ids_across_trees(filenames, trees,
544
return _find_children_across_trees(specified_path_ids, trees)
547
def _find_ids_across_trees(filenames, trees, require_versioned):
548
"""Find the ids corresponding to specified filenames.
550
All matches in all trees will be used, but subdirectories are not scanned.
552
:param filenames: The filenames to find file_ids for
553
:param trees: The trees to find file_ids within
554
:param require_versioned: if true, all specified filenames must occur in
556
:return: a set of file ids for the specified filenames
559
interesting_ids = set()
560
for tree_path in filenames:
563
file_id = tree.path2id(tree_path)
564
if file_id is not None:
565
interesting_ids.add(file_id)
568
not_versioned.append(tree_path)
569
if len(not_versioned) > 0 and require_versioned:
570
raise errors.PathsNotVersionedError(not_versioned)
571
return interesting_ids
574
def _find_children_across_trees(specified_ids, trees):
575
"""Return a set including specified ids and their children.
577
All matches in all trees will be used.
579
:param trees: The trees to find file_ids within
580
:return: a set containing all specified ids and their children
582
interesting_ids = set(specified_ids)
583
pending = interesting_ids
584
# now handle children of interesting ids
585
# we loop so that we handle all children of each id in both trees
586
while len(pending) > 0:
588
for file_id in pending:
590
if not tree.has_id(file_id):
592
entry = tree.inventory[file_id]
593
for child in getattr(entry, 'children', {}).itervalues():
594
if child.file_id not in interesting_ids:
595
new_pending.add(child.file_id)
596
interesting_ids.update(new_pending)
597
pending = new_pending
598
return interesting_ids
601
class InterTree(InterObject):
602
"""This class represents operations taking place between two Trees.
604
Its instances have methods like 'compare' and contain references to the
605
source and target trees these operations are to be carried out on.
607
Clients of bzrlib should not need to use InterTree directly, rather they
608
should use the convenience methods on Tree such as 'Tree.compare()' which
609
will pass through to InterTree as appropriate.
615
def compare(self, want_unchanged=False, specific_files=None,
616
extra_trees=None, require_versioned=False, include_root=False,
617
want_unversioned=False):
618
"""Return the changes from source to target.
620
:return: A TreeDelta.
621
:param specific_files: An optional list of file paths to restrict the
622
comparison to. When mapping filenames to ids, all matches in all
623
trees (including optional extra_trees) are used, and all children of
624
matched directories are included.
625
:param want_unchanged: An optional boolean requesting the inclusion of
626
unchanged entries in the result.
627
:param extra_trees: An optional list of additional trees to use when
628
mapping the contents of specific_files (paths) to file_ids.
629
:param require_versioned: An optional boolean (defaults to False). When
630
supplied and True all the 'specific_files' must be versioned, or
631
a PathsNotVersionedError will be thrown.
632
:param want_unversioned: Scan for unversioned paths.
634
# NB: show_status depends on being able to pass in non-versioned files
635
# and report them as unknown
636
trees = (self.source,)
637
if extra_trees is not None:
638
trees = trees + tuple(extra_trees)
639
# target is usually the newer tree:
640
specific_file_ids = self.target.paths2ids(specific_files, trees,
641
require_versioned=require_versioned)
642
if specific_files and not specific_file_ids:
643
# All files are unversioned, so just return an empty delta
644
# _compare_trees would think we want a complete delta
645
result = delta.TreeDelta()
646
fake_entry = InventoryFile('unused', 'unused', 'unused')
647
result.unversioned = [(path, None,
648
self.target._comparison_data(fake_entry, path)[0]) for path in
651
return delta._compare_trees(self.source, self.target, want_unchanged,
652
specific_files, include_root, extra_trees=extra_trees,
653
require_versioned=require_versioned,
654
want_unversioned=want_unversioned)
656
def _iter_changes(self, include_unchanged=False,
657
specific_files=None, pb=None, extra_trees=[],
658
require_versioned=True, want_unversioned=False):
659
"""Generate an iterator of changes between trees.
662
(file_id, (path_in_source, path_in_target),
663
changed_content, versioned, parent, name, kind,
666
Changed_content is True if the file's content has changed. This
667
includes changes to its kind, and to a symlink's target.
669
versioned, parent, name, kind, executable are tuples of (from, to).
670
If a file is missing in a tree, its kind is None.
672
Iteration is done in parent-to-child order, relative to the target
675
There is no guarantee that all paths are in sorted order: the
676
requirement to expand the search due to renames may result in children
677
that should be found early being found late in the search, after
678
lexically later results have been returned.
679
:param require_versioned: Raise errors.PathsNotVersionedError if a
680
path in the specific_files list is not versioned in one of
681
source, target or extra_trees.
682
:param want_unversioned: Should unversioned files be returned in the
683
output. An unversioned file is defined as one with (False, False)
684
for the versioned pair.
687
lookup_trees = [self.source]
689
lookup_trees.extend(extra_trees)
690
if specific_files == []:
691
specific_file_ids = []
693
specific_file_ids = self.target.paths2ids(specific_files,
694
lookup_trees, require_versioned=require_versioned)
696
all_unversioned = sorted([(p.split('/'), p) for p in
698
if specific_files is None or
699
osutils.is_inside_any(specific_files, p)])
700
all_unversioned = deque(all_unversioned)
702
all_unversioned = deque()
704
from_entries_by_dir = list(self.source.inventory.iter_entries_by_dir(
705
specific_file_ids=specific_file_ids))
706
from_data = dict((e.file_id, (p, e)) for p, e in from_entries_by_dir)
707
to_entries_by_dir = list(self.target.inventory.iter_entries_by_dir(
708
specific_file_ids=specific_file_ids))
709
num_entries = len(from_entries_by_dir) + len(to_entries_by_dir)
711
# the unversioned path lookup only occurs on real trees - where there
712
# can be extras. So the fake_entry is solely used to look up
713
# executable it values when execute is not supported.
714
fake_entry = InventoryFile('unused', 'unused', 'unused')
715
for to_path, to_entry in to_entries_by_dir:
716
while all_unversioned and all_unversioned[0][0] < to_path.split('/'):
717
unversioned_path = all_unversioned.popleft()
718
to_kind, to_executable, to_stat = \
719
self.target._comparison_data(fake_entry, unversioned_path[1])
720
yield (None, (None, unversioned_path[1]), True, (False, False),
722
(None, unversioned_path[0][-1]),
724
(None, to_executable))
725
file_id = to_entry.file_id
726
to_paths[file_id] = to_path
728
changed_content = False
729
from_path, from_entry = from_data.get(file_id, (None, None))
730
from_versioned = (from_entry is not None)
731
if from_entry is not None:
732
from_versioned = True
733
from_name = from_entry.name
734
from_parent = from_entry.parent_id
735
from_kind, from_executable, from_stat = \
736
self.source._comparison_data(from_entry, from_path)
739
from_versioned = False
743
from_executable = None
744
versioned = (from_versioned, True)
745
to_kind, to_executable, to_stat = \
746
self.target._comparison_data(to_entry, to_path)
747
kind = (from_kind, to_kind)
748
if kind[0] != kind[1]:
749
changed_content = True
750
elif from_kind == 'file':
751
from_size = self.source._file_size(from_entry, from_stat)
752
to_size = self.target._file_size(to_entry, to_stat)
753
if from_size != to_size:
754
changed_content = True
755
elif (self.source.get_file_sha1(file_id, from_path, from_stat) !=
756
self.target.get_file_sha1(file_id, to_path, to_stat)):
757
changed_content = True
758
elif from_kind == 'symlink':
759
if (self.source.get_symlink_target(file_id) !=
760
self.target.get_symlink_target(file_id)):
761
changed_content = True
762
elif from_kind == 'tree-reference':
763
if (self.source.get_reference_revision(file_id, from_path)
764
!= self.target.get_reference_revision(file_id, to_path)):
765
changed_content = True
766
parent = (from_parent, to_entry.parent_id)
767
name = (from_name, to_entry.name)
768
executable = (from_executable, to_executable)
770
pb.update('comparing files', entry_count, num_entries)
771
if (changed_content is not False or versioned[0] != versioned[1]
772
or parent[0] != parent[1] or name[0] != name[1] or
773
executable[0] != executable[1] or include_unchanged):
774
yield (file_id, (from_path, to_path), changed_content,
775
versioned, parent, name, kind, executable)
777
while all_unversioned:
778
# yield any trailing unversioned paths
779
unversioned_path = all_unversioned.popleft()
780
to_kind, to_executable, to_stat = \
781
self.target._comparison_data(fake_entry, unversioned_path[1])
782
yield (None, (None, unversioned_path[1]), True, (False, False),
784
(None, unversioned_path[0][-1]),
786
(None, to_executable))
788
def get_to_path(to_entry):
789
if to_entry.parent_id is None:
790
to_path = '' # the root
792
if to_entry.parent_id not in to_paths:
794
return get_to_path(self.target.inventory[to_entry.parent_id])
795
to_path = osutils.pathjoin(to_paths[to_entry.parent_id],
797
to_paths[to_entry.file_id] = to_path
800
for path, from_entry in from_entries_by_dir:
801
file_id = from_entry.file_id
802
if file_id in to_paths:
805
if not file_id in self.target.inventory:
806
# common case - paths we have not emitted are not present in
810
to_path = get_to_path(self.target.inventory[file_id])
813
pb.update('comparing files', entry_count, num_entries)
814
versioned = (True, False)
815
parent = (from_entry.parent_id, None)
816
name = (from_entry.name, None)
817
from_kind, from_executable, stat_value = \
818
self.source._comparison_data(from_entry, path)
819
kind = (from_kind, None)
820
executable = (from_executable, None)
821
changed_content = True
822
# the parent's path is necessarily known at this point.
823
yield(file_id, (path, to_path), changed_content, versioned, parent,
824
name, kind, executable)
827
# This was deprecated before 0.12, but did not have an official warning
828
@symbol_versioning.deprecated_function(symbol_versioning.zero_twelve)
829
def RevisionTree(*args, **kwargs):
830
"""RevisionTree has moved to bzrlib.revisiontree.RevisionTree()
832
Accessing it as bzrlib.tree.RevisionTree has been deprecated as of
835
from bzrlib.revisiontree import RevisionTree as _RevisionTree
836
return _RevisionTree(*args, **kwargs)
added
removed
bzrlib/tree.py
