92
97
want_unversioned=want_unversioned,
95
def _iter_changes(self, from_tree, include_unchanged=False,
100
def iter_changes(self, from_tree, include_unchanged=False,
96
101
specific_files=None, pb=None, extra_trees=None,
97
102
require_versioned=True, want_unversioned=False):
98
103
intertree = InterTree.get(from_tree, self)
99
return intertree._iter_changes(include_unchanged, specific_files, pb,
104
return intertree.iter_changes(include_unchanged, specific_files, pb,
100
105
extra_trees, require_versioned, want_unversioned=want_unversioned)
102
107
def conflicts(self):
103
108
"""Get a list of the conflicts in the tree.
105
110
Each conflict is an instance of bzrlib.conflicts.Conflict.
112
return _mod_conflicts.ConflictList()
109
114
def extras(self):
110
115
"""For trees that can have unversioned files, return all such paths."""
113
118
def get_parent_ids(self):
114
"""Get the parent ids for this tree.
119
"""Get the parent ids for this tree.
116
121
:return: a list of parent ids. [] is returned to indicate
117
122
a tree with no parents.
118
123
:raises: BzrError if the parents are not known.
120
125
raise NotImplementedError(self.get_parent_ids)
122
127
def has_filename(self, filename):
123
128
"""True if the tree has given filename."""
124
raise NotImplementedError()
129
raise NotImplementedError(self.has_filename)
126
131
def has_id(self, file_id):
127
file_id = osutils.safe_file_id(file_id)
128
132
return self.inventory.has_id(file_id)
130
__contains__ = has_id
134
def __contains__(self, file_id):
135
return self.has_id(file_id)
132
137
def has_or_had_id(self, file_id):
133
file_id = osutils.safe_file_id(file_id)
134
138
if file_id == self.inventory.root.file_id:
136
140
return self.inventory.has_id(file_id)
170
177
def iter_entries_by_dir(self, specific_file_ids=None):
171
178
"""Walk the tree in 'by_dir' order.
173
This will yield each entry in the tree as a (path, entry) tuple. The
174
order that they are yielded is: the contents of a directory are
175
preceeded by the parent of a directory, and all the contents of a
176
directory are grouped together.
180
This will yield each entry in the tree as a (path, entry) tuple.
181
The order that they are yielded is:
183
Directories are walked in a depth-first lexicographical order,
184
however, whenever a directory is reached, all of its direct child
185
nodes are yielded in lexicographical order before yielding the
188
For example, in the tree::
198
The yield order (ignoring root) would be::
199
a, f, a/b, a/d, a/b/c, a/d/e, f/g
178
201
return self.inventory.iter_entries_by_dir(
179
202
specific_file_ids=specific_file_ids)
181
204
def iter_references(self):
182
for path, entry in self.iter_entries_by_dir():
183
if entry.kind == 'tree-reference':
184
yield path, entry.file_id
205
if self.supports_tree_reference():
206
for path, entry in self.iter_entries_by_dir():
207
if entry.kind == 'tree-reference':
208
yield path, entry.file_id
186
210
def kind(self, file_id):
187
211
raise NotImplementedError("Tree subclass %s must implement kind"
188
212
% self.__class__.__name__)
214
def stored_kind(self, file_id):
215
"""File kind stored for this file_id.
217
May not match kind on disk for working trees. Always available
218
for versioned files, even when the file itself is missing.
220
return self.kind(file_id)
222
def path_content_summary(self, path):
223
"""Get a summary of the information about path.
225
:param path: A relative path within the tree.
226
:return: A tuple containing kind, size, exec, sha1-or-link.
227
Kind is always present (see tree.kind()).
228
size is present if kind is file, None otherwise.
229
exec is None unless kind is file and the platform supports the 'x'
231
sha1-or-link is the link target if kind is symlink, or the sha1 if
232
it can be obtained without reading the file.
234
raise NotImplementedError(self.path_content_summary)
190
236
def get_reference_revision(self, file_id, path=None):
191
237
raise NotImplementedError("Tree subclass %s must implement "
192
238
"get_reference_revision"
236
345
raise NotImplementedError(self.get_symlink_target)
238
def annotate_iter(self, file_id):
239
"""Return an iterator of revision_id, line tuples
347
def get_canonical_inventory_paths(self, paths):
348
"""Like get_canonical_inventory_path() but works on multiple items.
350
:param paths: A sequence of paths relative to the root of the tree.
351
:return: A list of paths, with each item the corresponding input path
352
adjusted to account for existing elements that match case
355
return list(self._yield_canonical_inventory_paths(paths))
357
def get_canonical_inventory_path(self, path):
358
"""Returns the first inventory item that case-insensitively matches path.
360
If a path matches exactly, it is returned. If no path matches exactly
361
but more than one path matches case-insensitively, it is implementation
362
defined which is returned.
364
If no path matches case-insensitively, the input path is returned, but
365
with as many path entries that do exist changed to their canonical
368
If you need to resolve many names from the same tree, you should
369
use get_canonical_inventory_paths() to avoid O(N) behaviour.
371
:param path: A paths relative to the root of the tree.
372
:return: The input path adjusted to account for existing elements
373
that match case insensitively.
375
return self._yield_canonical_inventory_paths([path]).next()
377
def _yield_canonical_inventory_paths(self, paths):
379
# First, if the path as specified exists exactly, just use it.
380
if self.path2id(path) is not None:
384
cur_id = self.get_root_id()
386
bit_iter = iter(path.split("/"))
389
for child in self.iter_children(cur_id):
391
child_base = os.path.basename(self.id2path(child))
392
if child_base.lower() == lelt:
394
cur_path = osutils.pathjoin(cur_path, child_base)
397
# before a change is committed we can see this error...
400
# got to the end of this directory and no entries matched.
401
# Return what matched so far, plus the rest as specified.
402
cur_path = osutils.pathjoin(cur_path, elt, *list(bit_iter))
407
def get_root_id(self):
408
"""Return the file_id for the root of this tree."""
409
raise NotImplementedError(self.get_root_id)
411
def annotate_iter(self, file_id,
412
default_revision=_mod_revision.CURRENT_REVISION):
413
"""Return an iterator of revision_id, line tuples.
241
415
For working trees (and mutable trees in general), the special
242
416
revision_id 'current:' will be used for lines that are new in this
243
417
tree, e.g. uncommitted changes.
244
418
:param file_id: The file to produce an annotated version from
419
:param default_revision: For lines that don't match a basis, mark them
420
with this revision id. Not all implementations will make use of
246
423
raise NotImplementedError(self.annotate_iter)
248
def plan_file_merge(self, file_id, other):
249
"""Generate a merge plan based on annotations
251
If the file contains uncommitted changes in this tree, they will be
252
attributed to the 'current:' pseudo-revision. If the file contains
253
uncommitted changes in the other tree, they will be assigned to the
254
'other:' pseudo-revision.
256
from bzrlib import merge
257
annotated_a = list(self.annotate_iter(file_id,
258
_mod_revision.CURRENT_REVISION))
259
annotated_b = list(other.annotate_iter(file_id, 'other:'))
260
ancestors_a = self._get_ancestors(_mod_revision.CURRENT_REVISION)
261
ancestors_b = other._get_ancestors('other:')
262
return merge._plan_annotate_merge(annotated_a, annotated_b,
263
ancestors_a, ancestors_b)
425
def _get_plan_merge_data(self, file_id, other, base):
426
from bzrlib import merge, versionedfile
427
vf = versionedfile._PlanMergeVersionedFile(file_id)
428
last_revision_a = self._get_file_revision(file_id, vf, 'this:')
429
last_revision_b = other._get_file_revision(file_id, vf, 'other:')
431
last_revision_base = None
433
last_revision_base = base._get_file_revision(file_id, vf, 'base:')
434
return vf, last_revision_a, last_revision_b, last_revision_base
436
def plan_file_merge(self, file_id, other, base=None):
437
"""Generate a merge plan based on annotations.
439
If the file contains uncommitted changes in this tree, they will be
440
attributed to the 'current:' pseudo-revision. If the file contains
441
uncommitted changes in the other tree, they will be assigned to the
442
'other:' pseudo-revision.
444
data = self._get_plan_merge_data(file_id, other, base)
445
vf, last_revision_a, last_revision_b, last_revision_base = data
446
return vf.plan_merge(last_revision_a, last_revision_b,
449
def plan_file_lca_merge(self, file_id, other, base=None):
450
"""Generate a merge plan based lca-newness.
452
If the file contains uncommitted changes in this tree, they will be
453
attributed to the 'current:' pseudo-revision. If the file contains
454
uncommitted changes in the other tree, they will be assigned to the
455
'other:' pseudo-revision.
457
data = self._get_plan_merge_data(file_id, other, base)
458
vf, last_revision_a, last_revision_b, last_revision_base = data
459
return vf.plan_lca_merge(last_revision_a, last_revision_b,
462
def _iter_parent_trees(self):
463
"""Iterate through parent trees, defaulting to Tree.revision_tree."""
464
for revision_id in self.get_parent_ids():
466
yield self.revision_tree(revision_id)
467
except errors.NoSuchRevisionInTree:
468
yield self.repository.revision_tree(revision_id)
471
def _file_revision(revision_tree, file_id):
472
"""Determine the revision associated with a file in a given tree."""
473
revision_tree.lock_read()
475
return revision_tree.inventory[file_id].revision
477
revision_tree.unlock()
479
def _get_file_revision(self, file_id, vf, tree_revision):
480
"""Ensure that file_id, tree_revision is in vf to plan the merge."""
482
if getattr(self, '_repository', None) is None:
483
last_revision = tree_revision
484
parent_keys = [(file_id, self._file_revision(t, file_id)) for t in
485
self._iter_parent_trees()]
486
vf.add_lines((file_id, last_revision), parent_keys,
487
self.get_file(file_id).readlines())
488
repo = self.branch.repository
491
last_revision = self._file_revision(self, file_id)
492
base_vf = self._repository.texts
493
if base_vf not in vf.fallback_versionedfiles:
494
vf.fallback_versionedfiles.append(base_vf)
265
497
inventory = property(_get_inventory,
266
498
doc="Inventory of this Tree")
268
500
def _check_retrieved(self, ie, f):
269
501
if not __debug__:
271
503
fp = fingerprint_file(f)
274
506
if ie.text_size is not None:
275
507
if ie.text_size != fp['size']:
276
508
raise BzrError("mismatched size for file %r in %r" % (ie.file_id, self._store),
387
618
raise NotImplementedError(self.walkdirs)
390
class EmptyTree(Tree):
393
self._inventory = Inventory(root_id=None)
394
symbol_versioning.warn('EmptyTree is deprecated as of bzr 0.9 please'
395
' use repository.revision_tree instead.',
396
DeprecationWarning, stacklevel=2)
398
def get_parent_ids(self):
401
def get_symlink_target(self, file_id):
404
def has_filename(self, filename):
620
def supports_content_filtering(self):
407
def kind(self, file_id):
408
file_id = osutils.safe_file_id(file_id)
409
assert self._inventory[file_id].kind == "directory"
412
def list_files(self, include_root=False):
415
def __contains__(self, file_id):
416
file_id = osutils.safe_file_id(file_id)
417
return (file_id in self._inventory)
419
def get_file_sha1(self, file_id, path=None, stat_value=None):
623
def _content_filter_stack(self, path=None, file_id=None):
624
"""The stack of content filters for a path if filtering is supported.
626
Readers will be applied in first-to-last order.
627
Writers will be applied in last-to-first order.
628
Either the path or the file-id needs to be provided.
630
:param path: path relative to the root of the tree
632
:param file_id: file_id or None if unknown
633
:return: the list of filters - [] if there are none
635
filter_pref_names = filters._get_registered_names()
636
if len(filter_pref_names) == 0:
639
path = self.id2path(file_id)
640
prefs = self.iter_search_rules([path], filter_pref_names).next()
641
stk = filters._get_filter_stack_for(prefs)
642
if 'filters' in debug.debug_flags:
643
note("*** %s content-filter: %s => %r" % (path,prefs,stk))
646
def _content_filter_stack_provider(self):
647
"""A function that returns a stack of ContentFilters.
649
The function takes a path (relative to the top of the tree) and a
650
file-id as parameters.
652
:return: None if content filtering is not supported by this tree.
654
if self.supports_content_filtering():
655
return lambda path, file_id: \
656
self._content_filter_stack(path, file_id)
660
def iter_search_rules(self, path_names, pref_names=None,
661
_default_searcher=None):
662
"""Find the preferences for filenames in a tree.
664
:param path_names: an iterable of paths to find attributes for.
665
Paths are given relative to the root of the tree.
666
:param pref_names: the list of preferences to lookup - None for all
667
:param _default_searcher: private parameter to assist testing - don't use
668
:return: an iterator of tuple sequences, one per path-name.
669
See _RulesSearcher.get_items for details on the tuple sequence.
671
if _default_searcher is None:
672
_default_searcher = rules._per_user_searcher
673
searcher = self._get_rules_searcher(_default_searcher)
674
if searcher is not None:
675
if pref_names is not None:
676
for path in path_names:
677
yield searcher.get_selected_items(path, pref_names)
679
for path in path_names:
680
yield searcher.get_items(path)
683
def _get_rules_searcher(self, default_searcher):
684
"""Get the RulesSearcher for this tree given the default one."""
685
searcher = default_searcher
423
689
######################################################################
775
1042
self.source._comparison_data(from_entry, path)
776
1043
kind = (from_kind, None)
777
1044
executable = (from_executable, None)
778
changed_content = True
1045
changed_content = from_kind is not None
779
1046
# the parent's path is necessarily known at this point.
780
1047
yield(file_id, (path, to_path), changed_content, versioned, parent,
781
1048
name, kind, executable)
784
# This was deprecated before 0.12, but did not have an official warning
785
@symbol_versioning.deprecated_function(symbol_versioning.zero_twelve)
786
def RevisionTree(*args, **kwargs):
787
"""RevisionTree has moved to bzrlib.revisiontree.RevisionTree()
789
Accessing it as bzrlib.tree.RevisionTree has been deprecated as of
792
from bzrlib.revisiontree import RevisionTree as _RevisionTree
793
return _RevisionTree(*args, **kwargs)
1051
class MultiWalker(object):
1052
"""Walk multiple trees simultaneously, getting combined results."""
1054
# Note: This could be written to not assume you can do out-of-order
1055
# lookups. Instead any nodes that don't match in all trees could be
1056
# marked as 'deferred', and then returned in the final cleanup loop.
1057
# For now, I think it is "nicer" to return things as close to the
1058
# "master_tree" order as we can.
1060
def __init__(self, master_tree, other_trees):
1061
"""Create a new MultiWalker.
1063
All trees being walked must implement "iter_entries_by_dir()", such
1064
that they yield (path, object) tuples, where that object will have a
1065
'.file_id' member, that can be used to check equality.
1067
:param master_tree: All trees will be 'slaved' to the master_tree such
1068
that nodes in master_tree will be used as 'first-pass' sync points.
1069
Any nodes that aren't in master_tree will be merged in a second
1071
:param other_trees: A list of other trees to walk simultaneously.
1073
self._master_tree = master_tree
1074
self._other_trees = other_trees
1076
# Keep track of any nodes that were properly processed just out of
1077
# order, that way we don't return them at the end, we don't have to
1078
# track *all* processed file_ids, just the out-of-order ones
1079
self._out_of_order_processed = set()
1082
def _step_one(iterator):
1083
"""Step an iter_entries_by_dir iterator.
1085
:return: (has_more, path, ie)
1086
If has_more is False, path and ie will be None.
1089
path, ie = iterator.next()
1090
except StopIteration:
1091
return False, None, None
1093
return True, path, ie
1096
def _cmp_path_by_dirblock(path1, path2):
1097
"""Compare two paths based on what directory they are in.
1099
This generates a sort order, such that all children of a directory are
1100
sorted together, and grandchildren are in the same order as the
1101
children appear. But all grandchildren come after all children.
1103
:param path1: first path
1104
:param path2: the second path
1105
:return: negative number if ``path1`` comes first,
1106
0 if paths are equal
1107
and a positive number if ``path2`` sorts first
1109
# Shortcut this special case
1112
# This is stolen from _dirstate_helpers_py.py, only switching it to
1113
# Unicode objects. Consider using encode_utf8() and then using the
1114
# optimized versions, or maybe writing optimized unicode versions.
1115
if not isinstance(path1, unicode):
1116
raise TypeError("'path1' must be a unicode string, not %s: %r"
1117
% (type(path1), path1))
1118
if not isinstance(path2, unicode):
1119
raise TypeError("'path2' must be a unicode string, not %s: %r"
1120
% (type(path2), path2))
1121
return cmp(MultiWalker._path_to_key(path1),
1122
MultiWalker._path_to_key(path2))
1125
def _path_to_key(path):
1126
dirname, basename = osutils.split(path)
1127
return (dirname.split(u'/'), basename)
1129
def _lookup_by_file_id(self, extra_entries, other_tree, file_id):
1130
"""Lookup an inventory entry by file_id.
1132
This is called when an entry is missing in the normal order.
1133
Generally this is because a file was either renamed, or it was
1134
deleted/added. If the entry was found in the inventory and not in
1135
extra_entries, it will be added to self._out_of_order_processed
1137
:param extra_entries: A dictionary of {file_id: (path, ie)}. This
1138
should be filled with entries that were found before they were
1139
used. If file_id is present, it will be removed from the
1141
:param other_tree: The Tree to search, in case we didn't find the entry
1143
:param file_id: The file_id to look for
1144
:return: (path, ie) if found or (None, None) if not present.
1146
if file_id in extra_entries:
1147
return extra_entries.pop(file_id)
1148
# TODO: Is id2path better as the first call, or is
1149
# inventory[file_id] better as a first check?
1151
cur_path = other_tree.id2path(file_id)
1152
except errors.NoSuchId:
1154
if cur_path is None:
1157
self._out_of_order_processed.add(file_id)
1158
cur_ie = other_tree.inventory[file_id]
1159
return (cur_path, cur_ie)
1162
"""Match up the values in the different trees."""
1163
for result in self._walk_master_tree():
1165
self._finish_others()
1166
for result in self._walk_others():
1169
def _walk_master_tree(self):
1170
"""First pass, walk all trees in lock-step.
1172
When we are done, all nodes in the master_tree will have been
1173
processed. _other_walkers, _other_entries, and _others_extra will be
1174
set on 'self' for future processing.
1176
# This iterator has the most "inlining" done, because it tends to touch
1177
# every file in the tree, while the others only hit nodes that don't
1179
master_iterator = self._master_tree.iter_entries_by_dir()
1181
other_walkers = [other.iter_entries_by_dir()
1182
for other in self._other_trees]
1183
other_entries = [self._step_one(walker) for walker in other_walkers]
1184
# Track extra nodes in the other trees
1185
others_extra = [{} for i in xrange(len(self._other_trees))]
1187
master_has_more = True
1188
step_one = self._step_one
1189
lookup_by_file_id = self._lookup_by_file_id
1190
out_of_order_processed = self._out_of_order_processed
1192
while master_has_more:
1193
(master_has_more, path, master_ie) = step_one(master_iterator)
1194
if not master_has_more:
1197
file_id = master_ie.file_id
1199
other_values_append = other_values.append
1200
next_other_entries = []
1201
next_other_entries_append = next_other_entries.append
1202
for idx, (other_has_more, other_path, other_ie) in enumerate(other_entries):
1203
if not other_has_more:
1204
other_values_append(lookup_by_file_id(
1205
others_extra[idx], self._other_trees[idx], file_id))
1206
next_other_entries_append((False, None, None))
1207
elif file_id == other_ie.file_id:
1208
# This is the critical code path, as most of the entries
1209
# should match between most trees.
1210
other_values_append((other_path, other_ie))
1211
next_other_entries_append(step_one(other_walkers[idx]))
1213
# This walker did not match, step it until it either
1214
# matches, or we know we are past the current walker.
1215
other_walker = other_walkers[idx]
1216
other_extra = others_extra[idx]
1217
while (other_has_more and
1218
self._cmp_path_by_dirblock(other_path, path) < 0):
1219
other_file_id = other_ie.file_id
1220
if other_file_id not in out_of_order_processed:
1221
other_extra[other_file_id] = (other_path, other_ie)
1222
other_has_more, other_path, other_ie = \
1223
step_one(other_walker)
1224
if other_has_more and other_ie.file_id == file_id:
1225
# We ended up walking to this point, match and step
1227
other_values_append((other_path, other_ie))
1228
other_has_more, other_path, other_ie = \
1229
step_one(other_walker)
1231
# This record isn't in the normal order, see if it
1233
other_values_append(lookup_by_file_id(
1234
other_extra, self._other_trees[idx], file_id))
1235
next_other_entries_append((other_has_more, other_path,
1237
other_entries = next_other_entries
1239
# We've matched all the walkers, yield this datapoint
1240
yield path, file_id, master_ie, other_values
1241
self._other_walkers = other_walkers
1242
self._other_entries = other_entries
1243
self._others_extra = others_extra
1245
def _finish_others(self):
1246
"""Finish walking the other iterators, so we get all entries."""
1247
for idx, info in enumerate(self._other_entries):
1248
other_extra = self._others_extra[idx]
1249
(other_has_more, other_path, other_ie) = info
1250
while other_has_more:
1251
other_file_id = other_ie.file_id
1252
if other_file_id not in self._out_of_order_processed:
1253
other_extra[other_file_id] = (other_path, other_ie)
1254
other_has_more, other_path, other_ie = \
1255
self._step_one(self._other_walkers[idx])
1256
del self._other_entries
1258
def _walk_others(self):
1259
"""Finish up by walking all the 'deferred' nodes."""
1260
# TODO: One alternative would be to grab all possible unprocessed
1261
# file_ids, and then sort by path, and then yield them. That
1262
# might ensure better ordering, in case a caller strictly
1263
# requires parents before children.
1264
for idx, other_extra in enumerate(self._others_extra):
1265
others = sorted(other_extra.itervalues(),
1266
key=lambda x: self._path_to_key(x[0]))
1267
for other_path, other_ie in others:
1268
file_id = other_ie.file_id
1269
# We don't need to check out_of_order_processed here, because
1270
# the lookup_by_file_id will be removing anything processed
1271
# from the extras cache
1272
other_extra.pop(file_id)
1273
other_values = [(None, None) for i in xrange(idx)]
1274
other_values.append((other_path, other_ie))
1275
for alt_idx, alt_extra in enumerate(self._others_extra[idx+1:]):
1276
alt_idx = alt_idx + idx + 1
1277
alt_extra = self._others_extra[alt_idx]
1278
alt_tree = self._other_trees[alt_idx]
1279
other_values.append(self._lookup_by_file_id(
1280
alt_extra, alt_tree, file_id))
1281
yield other_path, file_id, None, other_values