363
353
cur_file = (self.get_file_text(file_id),)
364
354
yield identifier, cur_file
366
def get_symlink_target(self, file_id, path=None):
356
def get_symlink_target(self, file_id):
367
357
"""Get the target for a given file_id.
369
359
It is assumed that the caller already knows that file_id is referencing
371
361
:param file_id: Handle for the symlink entry.
372
:param path: The path of the file.
373
If both file_id and path are supplied, an implementation may use
375
362
:return: The path the symlink points to.
377
364
raise NotImplementedError(self.get_symlink_target)
366
def get_canonical_inventory_paths(self, paths):
367
"""Like get_canonical_inventory_path() but works on multiple items.
369
:param paths: A sequence of paths relative to the root of the tree.
370
:return: A list of paths, with each item the corresponding input path
371
adjusted to account for existing elements that match case
374
return list(self._yield_canonical_inventory_paths(paths))
376
def get_canonical_inventory_path(self, path):
377
"""Returns the first inventory item that case-insensitively matches path.
379
If a path matches exactly, it is returned. If no path matches exactly
380
but more than one path matches case-insensitively, it is implementation
381
defined which is returned.
383
If no path matches case-insensitively, the input path is returned, but
384
with as many path entries that do exist changed to their canonical
387
If you need to resolve many names from the same tree, you should
388
use get_canonical_inventory_paths() to avoid O(N) behaviour.
390
:param path: A paths relative to the root of the tree.
391
:return: The input path adjusted to account for existing elements
392
that match case insensitively.
394
return self._yield_canonical_inventory_paths([path]).next()
396
def _yield_canonical_inventory_paths(self, paths):
398
# First, if the path as specified exists exactly, just use it.
399
if self.path2id(path) is not None:
403
cur_id = self.get_root_id()
405
bit_iter = iter(path.split("/"))
409
for child in self.iter_children(cur_id):
411
# XXX: it seem like if the child is known to be in the
412
# tree, we shouldn't need to go from its id back to
413
# its path -- mbp 2010-02-11
415
# XXX: it seems like we could be more efficient
416
# by just directly looking up the original name and
417
# only then searching all children; also by not
418
# chopping paths so much. -- mbp 2010-02-11
419
child_base = os.path.basename(self.id2path(child))
420
if (child_base == elt):
421
# if we found an exact match, we can stop now; if
422
# we found an approximate match we need to keep
423
# searching because there might be an exact match
426
new_path = osutils.pathjoin(cur_path, child_base)
428
elif child_base.lower() == lelt:
430
new_path = osutils.pathjoin(cur_path, child_base)
432
# before a change is committed we can see this error...
437
# got to the end of this directory and no entries matched.
438
# Return what matched so far, plus the rest as specified.
439
cur_path = osutils.pathjoin(cur_path, elt, *list(bit_iter))
379
444
def get_root_id(self):
380
445
"""Return the file_id for the root of this tree."""
381
446
raise NotImplementedError(self.get_root_id)
439
504
except errors.NoSuchRevisionInTree:
440
505
yield self.repository.revision_tree(revision_id)
508
def _file_revision(revision_tree, file_id):
509
"""Determine the revision associated with a file in a given tree."""
510
revision_tree.lock_read()
512
return revision_tree.inventory[file_id].revision
514
revision_tree.unlock()
442
516
def _get_file_revision(self, file_id, vf, tree_revision):
443
517
"""Ensure that file_id, tree_revision is in vf to plan the merge."""
445
519
if getattr(self, '_repository', None) is None:
446
520
last_revision = tree_revision
447
parent_keys = [(file_id, t.get_file_revision(file_id)) for t in
521
parent_keys = [(file_id, self._file_revision(t, file_id)) for t in
448
522
self._iter_parent_trees()]
449
523
vf.add_lines((file_id, last_revision), parent_keys,
450
self.get_file_lines(file_id))
524
self.get_file(file_id).readlines())
451
525
repo = self.branch.repository
452
526
base_vf = repo.texts
454
last_revision = self.get_file_revision(file_id)
528
last_revision = self._file_revision(self, file_id)
455
529
base_vf = self._repository.texts
456
530
if base_vf not in vf.fallback_versionedfiles:
457
531
vf.fallback_versionedfiles.append(base_vf)
458
532
return last_revision
534
inventory = property(_get_inventory,
535
doc="Inventory of this Tree")
460
537
def _check_retrieved(self, ie, f):
461
538
if not __debug__:
463
fp = osutils.fingerprint_file(f)
540
fp = fingerprint_file(f)
466
543
if ie.text_size is not None:
467
544
if ie.text_size != fp['size']:
468
raise errors.BzrError(
469
"mismatched size for file %r in %r" %
470
(ie.file_id, self._store),
545
raise BzrError("mismatched size for file %r in %r" % (ie.file_id, self._store),
471
546
["inventory expects %d bytes" % ie.text_size,
472
547
"file is actually %d bytes" % fp['size'],
473
548
"store is probably damaged/corrupt"])
475
550
if ie.text_sha1 != fp['sha1']:
476
raise errors.BzrError("wrong SHA-1 for file %r in %r" %
477
(ie.file_id, self._store),
551
raise BzrError("wrong SHA-1 for file %r in %r" % (ie.file_id, self._store),
478
552
["inventory expects %s" % ie.text_sha1,
479
553
"file is actually %s" % fp['sha1'],
480
554
"store is probably damaged/corrupt"])
482
557
def path2id(self, path):
483
558
"""Return the id for path in this tree."""
484
raise NotImplementedError(self.path2id)
559
return self._inventory.path2id(path)
486
561
def paths2ids(self, paths, trees=[], require_versioned=True):
487
562
"""Return all the ids that can be reached by walking from paths.
650
class InventoryTree(Tree):
651
"""A tree that relies on an inventory for its metadata.
653
Trees contain an `Inventory` object, and also know how to retrieve
654
file texts mentioned in the inventory, either from a working
655
directory or from a store.
657
It is possible for trees to contain files that are not described
658
in their inventory or vice versa; for this use `filenames()`.
660
Subclasses should set the _inventory attribute, which is considered
661
private to external API users.
725
######################################################################
728
# TODO: Merge these two functions into a single one that can operate
729
# on either a whole tree or a set of files.
731
# TODO: Return the diff in order by filename, not by category or in
732
# random order. Can probably be done by lock-stepping through the
733
# filenames from both trees.
736
def file_status(filename, old_tree, new_tree):
737
"""Return single-letter status, old and new names for a file.
739
The complexity here is in deciding how to represent renames;
740
many complex cases are possible.
664
def get_canonical_inventory_paths(self, paths):
665
"""Like get_canonical_inventory_path() but works on multiple items.
667
:param paths: A sequence of paths relative to the root of the tree.
668
:return: A list of paths, with each item the corresponding input path
669
adjusted to account for existing elements that match case
672
return list(self._yield_canonical_inventory_paths(paths))
674
def get_canonical_inventory_path(self, path):
675
"""Returns the first inventory item that case-insensitively matches path.
677
If a path matches exactly, it is returned. If no path matches exactly
678
but more than one path matches case-insensitively, it is implementation
679
defined which is returned.
681
If no path matches case-insensitively, the input path is returned, but
682
with as many path entries that do exist changed to their canonical
685
If you need to resolve many names from the same tree, you should
686
use get_canonical_inventory_paths() to avoid O(N) behaviour.
688
:param path: A paths relative to the root of the tree.
689
:return: The input path adjusted to account for existing elements
690
that match case insensitively.
692
return self._yield_canonical_inventory_paths([path]).next()
694
def _yield_canonical_inventory_paths(self, paths):
696
# First, if the path as specified exists exactly, just use it.
697
if self.path2id(path) is not None:
701
cur_id = self.get_root_id()
703
bit_iter = iter(path.split("/"))
707
for child in self.iter_children(cur_id):
709
# XXX: it seem like if the child is known to be in the
710
# tree, we shouldn't need to go from its id back to
711
# its path -- mbp 2010-02-11
713
# XXX: it seems like we could be more efficient
714
# by just directly looking up the original name and
715
# only then searching all children; also by not
716
# chopping paths so much. -- mbp 2010-02-11
717
child_base = os.path.basename(self.id2path(child))
718
if (child_base == elt):
719
# if we found an exact match, we can stop now; if
720
# we found an approximate match we need to keep
721
# searching because there might be an exact match
724
new_path = osutils.pathjoin(cur_path, child_base)
726
elif child_base.lower() == lelt:
728
new_path = osutils.pathjoin(cur_path, child_base)
729
except errors.NoSuchId:
730
# before a change is committed we can see this error...
735
# got to the end of this directory and no entries matched.
736
# Return what matched so far, plus the rest as specified.
737
cur_path = osutils.pathjoin(cur_path, elt, *list(bit_iter))
742
def _get_inventory(self):
743
return self._inventory
745
inventory = property(_get_inventory,
746
doc="Inventory of this Tree")
749
def path2id(self, path):
750
"""Return the id for path in this tree."""
751
return self._inventory.path2id(path)
753
def id2path(self, file_id):
754
"""Return the path for a file id.
758
return self.inventory.id2path(file_id)
760
def has_id(self, file_id):
761
return self.inventory.has_id(file_id)
763
def has_or_had_id(self, file_id):
764
return self.inventory.has_id(file_id)
766
def all_file_ids(self):
767
return set(self.inventory)
769
@deprecated_method(deprecated_in((2, 4, 0)))
771
return iter(self.inventory)
773
def filter_unversioned_files(self, paths):
774
"""Filter out paths that are versioned.
776
:return: set of paths.
778
# NB: we specifically *don't* call self.has_filename, because for
779
# WorkingTrees that can indicate files that exist on disk but that
781
pred = self.inventory.has_filename
782
return set((p for p in paths if not pred(p)))
785
def iter_entries_by_dir(self, specific_file_ids=None, yield_parents=False):
786
"""Walk the tree in 'by_dir' order.
788
This will yield each entry in the tree as a (path, entry) tuple.
789
The order that they are yielded is:
791
See Tree.iter_entries_by_dir for details.
793
:param yield_parents: If True, yield the parents from the root leading
794
down to specific_file_ids that have been requested. This has no
795
impact if specific_file_ids is None.
797
return self.inventory.iter_entries_by_dir(
798
specific_file_ids=specific_file_ids, yield_parents=yield_parents)
800
def get_file_by_path(self, path):
801
return self.get_file(self._inventory.path2id(path), path)
742
old_inv = old_tree.inventory
743
new_inv = new_tree.inventory
744
new_id = new_inv.path2id(filename)
745
old_id = old_inv.path2id(filename)
747
if not new_id and not old_id:
748
# easy: doesn't exist in either; not versioned at all
749
if new_tree.is_ignored(filename):
750
return 'I', None, None
752
return '?', None, None
754
# There is now a file of this name, great.
757
# There is no longer a file of this name, but we can describe
758
# what happened to the file that used to have
759
# this name. There are two possibilities: either it was
760
# deleted entirely, or renamed.
761
if new_inv.has_id(old_id):
762
return 'X', old_inv.id2path(old_id), new_inv.id2path(old_id)
764
return 'D', old_inv.id2path(old_id), None
766
# if the file_id is new in this revision, it is added
767
if new_id and not old_inv.has_id(new_id):
770
# if there used to be a file of this name, but that ID has now
771
# disappeared, it is deleted
772
if old_id and not new_inv.has_id(old_id):
778
@deprecated_function(deprecated_in((1, 9, 0)))
779
def find_renames(old_inv, new_inv):
780
for file_id in old_inv:
781
if file_id not in new_inv:
783
old_name = old_inv.id2path(file_id)
784
new_name = new_inv.id2path(file_id)
785
if old_name != new_name:
786
yield (old_name, new_name)
804
789
def find_ids_across_trees(filenames, trees, require_versioned=True):
added
removed
bzrlib/tree.py
