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# Copyright (C) 2005, 2006, 2007 Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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# FIXME: This refactoring of the workingtree code doesn't seem to keep
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# the WorkingTree's copy of the inventory in sync with the branch. The
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# branch modifies its working inventory when it does a commit to make
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# missing files permanently removed.
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# TODO: Maybe also keep the full path of the entry, and the children?
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# But those depend on its position within a particular inventory, and
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# it would be nice not to need to hold the backpointer here.
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# This should really be an id randomly assigned when the tree is
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# created, but it's not for now.
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from bzrlib.lazy_import import lazy_import
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lazy_import(globals(), """
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from bzrlib.errors import (
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from bzrlib.symbol_versioning import deprecated_method, zero_ninetyone
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from bzrlib.trace import mutter
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class InventoryEntry(object):
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"""Description of a versioned file.
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An InventoryEntry has the following fields, which are also
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present in the XML inventory-entry element:
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(within the parent directory)
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file_id of the parent directory, or ROOT_ID
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the revision_id in which this variation of this file was
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Indicates that this file should be executable on systems
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sha-1 of the text of the file
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size in bytes of the text of the file
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(reading a version 4 tree created a text_id field.)
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>>> i.add(InventoryDirectory('123', 'src', ROOT_ID))
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InventoryDirectory('123', 'src', parent_id='TREE_ROOT', revision=None)
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>>> i.add(InventoryFile('2323', 'hello.c', parent_id='123'))
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InventoryFile('2323', 'hello.c', parent_id='123', sha1=None, len=None)
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>>> shouldbe = {0: '', 1: 'src', 2: 'src/hello.c'}
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>>> for ix, j in enumerate(i.iter_entries()):
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... print (j[0] == shouldbe[ix], j[1])
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(True, InventoryDirectory('TREE_ROOT', u'', parent_id=None, revision=None))
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(True, InventoryDirectory('123', 'src', parent_id='TREE_ROOT', revision=None))
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(True, InventoryFile('2323', 'hello.c', parent_id='123', sha1=None, len=None))
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>>> i.add(InventoryFile('2324', 'bye.c', '123'))
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InventoryFile('2324', 'bye.c', parent_id='123', sha1=None, len=None)
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>>> i.add(InventoryDirectory('2325', 'wibble', '123'))
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InventoryDirectory('2325', 'wibble', parent_id='123', revision=None)
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>>> i.path2id('src/wibble')
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>>> i.add(InventoryFile('2326', 'wibble.c', '2325'))
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InventoryFile('2326', 'wibble.c', parent_id='2325', sha1=None, len=None)
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InventoryFile('2326', 'wibble.c', parent_id='2325', sha1=None, len=None)
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>>> for path, entry in i.iter_entries():
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... assert i.path2id(path)
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>>> i.id2path('2326')
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'src/wibble/wibble.c'
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# Constants returned by describe_change()
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# TODO: These should probably move to some kind of FileChangeDescription
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# class; that's like what's inside a TreeDelta but we want to be able to
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# generate them just for one file at a time.
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MODIFIED_AND_RENAMED = 'modified and renamed'
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def detect_changes(self, old_entry):
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"""Return a (text_modified, meta_modified) from this to old_entry.
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_read_tree_state must have been called on self and old_entry prior to
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calling detect_changes.
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def diff(self, text_diff, from_label, tree, to_label, to_entry, to_tree,
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output_to, reverse=False):
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"""Perform a diff from this to to_entry.
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text_diff will be used for textual difference calculation.
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This is a template method, override _diff in child classes.
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self._read_tree_state(tree.id2path(self.file_id), tree)
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# cannot diff from one kind to another - you must do a removal
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# and an addif they do not match.
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assert self.kind == to_entry.kind
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to_entry._read_tree_state(to_tree.id2path(to_entry.file_id),
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self._diff(text_diff, from_label, tree, to_label, to_entry, to_tree,
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def _diff(self, text_diff, from_label, tree, to_label, to_entry, to_tree,
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output_to, reverse=False):
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"""Perform a diff between two entries of the same kind."""
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def parent_candidates(self, previous_inventories):
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"""Find possible per-file graph parents.
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This is currently defined by:
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- Select the last changed revision in the parent inventory.
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- Do deal with a short lived bug in bzr 0.8's development two entries
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that have the same last changed but different 'x' bit settings are
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# revision:ie mapping for each ie found in previous_inventories.
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# identify candidate head revision ids.
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for inv in previous_inventories:
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if self.file_id in inv:
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ie = inv[self.file_id]
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assert ie.file_id == self.file_id
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if ie.revision in candidates:
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# same revision value in two different inventories:
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# correct possible inconsistencies:
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# * there was a bug in revision updates with 'x' bit
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if candidates[ie.revision].executable != ie.executable:
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candidates[ie.revision].executable = False
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ie.executable = False
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except AttributeError:
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# must now be the same.
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assert candidates[ie.revision] == ie
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# add this revision as a candidate.
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candidates[ie.revision] = ie
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@deprecated_method(zero_ninetyone)
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def find_previous_heads(self, previous_inventories,
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versioned_file_store,
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"""Return the revisions and entries that directly precede this.
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Returned as a map from revision to inventory entry.
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This is a map containing the file revisions in all parents
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for which the file exists, and its revision is not a parent of
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any other. If the file is new, the set will be empty.
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:param versioned_file_store: A store where ancestry data on this
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file id can be queried.
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:param transaction: The transaction that queries to the versioned
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file store should be completed under.
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:param entry_vf: The entry versioned file, if its already available.
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candidates = self.parent_candidates(previous_inventories)
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# revision:ie mapping with one revision for each head.
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# common case optimisation
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if len(candidates) == 1:
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# if there is only one candidate revision found
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# then we can avoid opening the versioned file to access ancestry:
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# there cannot be any ancestors to eliminate when there is
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# only one revision available.
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# --- what follows is now encapsulated in repository.get_graph.heads(),
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# but that is not accessible from here as we have no repository
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# pointer. Note that the repository.get_graph.heads() call can return
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# different results *at the moment* because of the kind-changing check
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# we have in parent_candidates().
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# eliminate ancestors amongst the available candidates:
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# heads are those that are not an ancestor of any other candidate
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# - this provides convergence at a per-file level.
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def get_ancestors(weave, entry):
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return set(weave.get_ancestry(entry.revision, topo_sorted=False))
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# revision: ancestor list for each head
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for ie in candidates.values():
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# may be an ancestor of a known head:
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already_present = 0 != len(
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[head for head in heads
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if ie.revision in head_ancestors[head]])
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# an ancestor of an analyzed candidate.
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# not an ancestor of a known head:
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# load the versioned file for this file id if needed
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entry_vf = versioned_file_store.get_weave_or_empty(
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self.file_id, transaction)
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ancestors = get_ancestors(entry_vf, ie)
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# may knock something else out:
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check_heads = list(heads.keys())
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for head in check_heads:
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if head in ancestors:
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# this previously discovered 'head' is not
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# really a head - its an ancestor of the newly
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head_ancestors[ie.revision] = ancestors
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heads[ie.revision] = ie
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def get_tar_item(self, root, dp, now, tree):
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"""Get a tarfile item and a file stream for its content."""
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item = tarfile.TarInfo(osutils.pathjoin(root, dp).encode('utf8'))
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# TODO: would be cool to actually set it to the timestamp of the
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# revision it was last changed
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fileobj = self._put_in_tar(item, tree)
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"""Return true if the object this entry represents has textual data.
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Note that textual data includes binary content.
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Also note that all entries get weave files created for them.
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This attribute is primarily used when upgrading from old trees that
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did not have the weave index for all inventory entries.
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def __init__(self, file_id, name, parent_id, text_id=None):
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"""Create an InventoryEntry
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The filename must be a single component, relative to the
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parent directory; it cannot be a whole path or relative name.
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>>> e = InventoryFile('123', 'hello.c', ROOT_ID)
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>>> e = InventoryFile('123', 'src/hello.c', ROOT_ID)
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Traceback (most recent call last):
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InvalidEntryName: Invalid entry name: src/hello.c
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assert isinstance(name, basestring), name
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if '/' in name or '\\' in name:
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raise errors.InvalidEntryName(name=name)
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self.executable = False
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self.text_sha1 = None
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self.text_size = None
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self.file_id = file_id
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assert isinstance(file_id, (str, None.__class__)), \
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'bad type %r for %r' % (type(file_id), file_id)
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self.text_id = text_id
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self.parent_id = parent_id
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self.symlink_target = None
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self.reference_revision = None
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def kind_character(self):
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"""Return a short kind indicator useful for appending to names."""
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raise BzrError('unknown kind %r' % self.kind)
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known_kinds = ('file', 'directory', 'symlink')
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def _put_in_tar(self, item, tree):
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"""populate item for stashing in a tar, and return the content stream.
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If no content is available, return None.
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raise BzrError("don't know how to export {%s} of kind %r" %
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(self.file_id, self.kind))
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def put_on_disk(self, dest, dp, tree):
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"""Create a representation of self on disk in the prefix dest.
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This is a template method - implement _put_on_disk in subclasses.
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fullpath = osutils.pathjoin(dest, dp)
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self._put_on_disk(fullpath, tree)
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# mutter(" export {%s} kind %s to %s", self.file_id,
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# self.kind, fullpath)
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def _put_on_disk(self, fullpath, tree):
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"""Put this entry onto disk at fullpath, from tree tree."""
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raise BzrError("don't know how to export {%s} of kind %r" % (self.file_id, self.kind))
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def sorted_children(self):
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return sorted(self.children.items())
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def versionable_kind(kind):
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return (kind in ('file', 'directory', 'symlink', 'tree-reference'))
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def check(self, checker, rev_id, inv, tree):
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"""Check this inventory entry is intact.
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This is a template method, override _check for kind specific
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:param checker: Check object providing context for the checks;
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can be used to find out what parts of the repository have already
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:param rev_id: Revision id from which this InventoryEntry was loaded.
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Not necessarily the last-changed revision for this file.
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:param inv: Inventory from which the entry was loaded.
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:param tree: RevisionTree for this entry.
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if self.parent_id is not None:
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if not inv.has_id(self.parent_id):
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raise BzrCheckError('missing parent {%s} in inventory for revision {%s}'
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% (self.parent_id, rev_id))
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self._check(checker, rev_id, tree)
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def _check(self, checker, rev_id, tree):
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"""Check this inventory entry for kind specific errors."""
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raise BzrCheckError('unknown entry kind %r in revision {%s}' %
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"""Clone this inventory entry."""
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raise NotImplementedError
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def describe_change(old_entry, new_entry):
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"""Describe the change between old_entry and this.
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This smells of being an InterInventoryEntry situation, but as its
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the first one, we're making it a static method for now.
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An entry with a different parent, or different name is considered
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to be renamed. Reparenting is an internal detail.
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Note that renaming the parent does not trigger a rename for the
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# TODO: Perhaps return an object rather than just a string
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if old_entry is new_entry:
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# also the case of both being None
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elif old_entry is None:
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elif new_entry is None:
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if old_entry.kind != new_entry.kind:
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text_modified, meta_modified = new_entry.detect_changes(old_entry)
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if text_modified or meta_modified:
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# TODO 20060511 (mbp, rbc) factor out 'detect_rename' here.
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if old_entry.parent_id != new_entry.parent_id:
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elif old_entry.name != new_entry.name:
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if renamed and not modified:
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return InventoryEntry.RENAMED
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if modified and not renamed:
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if modified and renamed:
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return InventoryEntry.MODIFIED_AND_RENAMED
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return ("%s(%r, %r, parent_id=%r, revision=%r)"
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% (self.__class__.__name__,
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def __eq__(self, other):
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if not isinstance(other, InventoryEntry):
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return NotImplemented
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return ((self.file_id == other.file_id)
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and (self.name == other.name)
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and (other.symlink_target == self.symlink_target)
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and (self.text_sha1 == other.text_sha1)
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and (self.text_size == other.text_size)
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and (self.text_id == other.text_id)
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and (self.parent_id == other.parent_id)
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and (self.kind == other.kind)
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and (self.revision == other.revision)
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and (self.executable == other.executable)
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and (self.reference_revision == other.reference_revision)
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def __ne__(self, other):
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return not (self == other)
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raise ValueError('not hashable')
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def _unchanged(self, previous_ie):
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"""Has this entry changed relative to previous_ie.
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This method should be overridden in child classes.
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# different inv parent
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if previous_ie.parent_id != self.parent_id:
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elif previous_ie.name != self.name:
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elif previous_ie.kind != self.kind:
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def _read_tree_state(self, path, work_tree):
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"""Populate fields in the inventory entry from the given tree.
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Note that this should be modified to be a noop on virtual trees
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as all entries created there are prepopulated.
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# TODO: Rather than running this manually, we should check the
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# working sha1 and other expensive properties when they're
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# first requested, or preload them if they're already known
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pass # nothing to do by default
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def _forget_tree_state(self):
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class RootEntry(InventoryEntry):
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__slots__ = ['text_sha1', 'text_size', 'file_id', 'name', 'kind',
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'text_id', 'parent_id', 'children', 'executable',
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'revision', 'symlink_target', 'reference_revision']
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def _check(self, checker, rev_id, tree):
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"""See InventoryEntry._check"""
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def __init__(self, file_id):
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self.file_id = file_id
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self.kind = 'directory'
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self.parent_id = None
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symbol_versioning.warn('RootEntry is deprecated as of bzr 0.10.'
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' Please use InventoryDirectory instead.',
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DeprecationWarning, stacklevel=2)
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def __eq__(self, other):
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if not isinstance(other, RootEntry):
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return NotImplemented
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return (self.file_id == other.file_id) \
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and (self.children == other.children)
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class InventoryDirectory(InventoryEntry):
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"""A directory in an inventory."""
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__slots__ = ['text_sha1', 'text_size', 'file_id', 'name', 'kind',
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'text_id', 'parent_id', 'children', 'executable',
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'revision', 'symlink_target', 'reference_revision']
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def _check(self, checker, rev_id, tree):
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"""See InventoryEntry._check"""
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if self.text_sha1 is not None or self.text_size is not None or self.text_id is not None:
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raise BzrCheckError('directory {%s} has text in revision {%s}'
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% (self.file_id, rev_id))
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other = InventoryDirectory(self.file_id, self.name, self.parent_id)
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other.revision = self.revision
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# note that children are *not* copied; they're pulled across when
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def __init__(self, file_id, name, parent_id):
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super(InventoryDirectory, self).__init__(file_id, name, parent_id)
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self.kind = 'directory'
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def kind_character(self):
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"""See InventoryEntry.kind_character."""
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def _put_in_tar(self, item, tree):
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"""See InventoryEntry._put_in_tar."""
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item.type = tarfile.DIRTYPE
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def _put_on_disk(self, fullpath, tree):
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"""See InventoryEntry._put_on_disk."""
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class InventoryFile(InventoryEntry):
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"""A file in an inventory."""
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__slots__ = ['text_sha1', 'text_size', 'file_id', 'name', 'kind',
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'text_id', 'parent_id', 'children', 'executable',
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'revision', 'symlink_target', 'reference_revision']
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def _check(self, checker, tree_revision_id, tree):
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"""See InventoryEntry._check"""
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t = (self.file_id, self.revision)
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if t in checker.checked_texts:
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prev_sha = checker.checked_texts[t]
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if prev_sha != self.text_sha1:
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raise BzrCheckError('mismatched sha1 on {%s} in {%s}' %
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(self.file_id, tree_revision_id))
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checker.repeated_text_cnt += 1
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if self.file_id not in checker.checked_weaves:
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mutter('check weave {%s}', self.file_id)
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w = tree._get_weave(self.file_id)
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# Not passing a progress bar, because it creates a new
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# progress, which overwrites the current progress,
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# and doesn't look nice
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checker.checked_weaves[self.file_id] = True
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w = tree._get_weave(self.file_id)
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mutter('check version {%s} of {%s}', tree_revision_id, self.file_id)
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checker.checked_text_cnt += 1
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# We can't check the length, because Weave doesn't store that
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# information, and the whole point of looking at the weave's
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# sha1sum is that we don't have to extract the text.
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if self.text_sha1 != w.get_sha1(self.revision):
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raise BzrCheckError('text {%s} version {%s} wrong sha1'
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% (self.file_id, self.revision))
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checker.checked_texts[t] = self.text_sha1
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other = InventoryFile(self.file_id, self.name, self.parent_id)
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other.executable = self.executable
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other.text_id = self.text_id
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other.text_sha1 = self.text_sha1
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other.text_size = self.text_size
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other.revision = self.revision
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def detect_changes(self, old_entry):
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"""See InventoryEntry.detect_changes."""
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assert self.text_sha1 is not None
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assert old_entry.text_sha1 is not None
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text_modified = (self.text_sha1 != old_entry.text_sha1)
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meta_modified = (self.executable != old_entry.executable)
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return text_modified, meta_modified
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def _diff(self, text_diff, from_label, tree, to_label, to_entry, to_tree,
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output_to, reverse=False):
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"""See InventoryEntry._diff."""
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from_text = tree.get_file(self.file_id).readlines()
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to_text = to_tree.get_file(to_entry.file_id).readlines()
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text_diff(from_label, from_text,
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to_label, to_text, output_to)
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text_diff(to_label, to_text,
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from_label, from_text, output_to)
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except errors.BinaryFile:
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label_pair = (to_label, from_label)
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label_pair = (from_label, to_label)
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print >> output_to, \
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("Binary files %s and %s differ" % label_pair).encode('utf8')
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"""See InventoryEntry.has_text."""
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def __init__(self, file_id, name, parent_id):
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super(InventoryFile, self).__init__(file_id, name, parent_id)
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def kind_character(self):
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"""See InventoryEntry.kind_character."""
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def _put_in_tar(self, item, tree):
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"""See InventoryEntry._put_in_tar."""
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item.type = tarfile.REGTYPE
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fileobj = tree.get_file(self.file_id)
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item.size = self.text_size
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if tree.is_executable(self.file_id):
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def _put_on_disk(self, fullpath, tree):
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"""See InventoryEntry._put_on_disk."""
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osutils.pumpfile(tree.get_file(self.file_id), file(fullpath, 'wb'))
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if tree.is_executable(self.file_id):
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os.chmod(fullpath, 0755)
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def _read_tree_state(self, path, work_tree):
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"""See InventoryEntry._read_tree_state."""
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self.text_sha1 = work_tree.get_file_sha1(self.file_id, path=path)
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# FIXME: 20050930 probe for the text size when getting sha1
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# in _read_tree_state
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self.executable = work_tree.is_executable(self.file_id, path=path)
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return ("%s(%r, %r, parent_id=%r, sha1=%r, len=%s)"
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% (self.__class__.__name__,
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def _forget_tree_state(self):
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self.text_sha1 = None
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def _unchanged(self, previous_ie):
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"""See InventoryEntry._unchanged."""
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compatible = super(InventoryFile, self)._unchanged(previous_ie)
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if self.text_sha1 != previous_ie.text_sha1:
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# FIXME: 20050930 probe for the text size when getting sha1
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# in _read_tree_state
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self.text_size = previous_ie.text_size
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if self.executable != previous_ie.executable:
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class InventoryLink(InventoryEntry):
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"""A file in an inventory."""
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__slots__ = ['text_sha1', 'text_size', 'file_id', 'name', 'kind',
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'text_id', 'parent_id', 'children', 'executable',
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'revision', 'symlink_target', 'reference_revision']
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def _check(self, checker, rev_id, tree):
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"""See InventoryEntry._check"""
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if self.text_sha1 is not None or self.text_size is not None or self.text_id is not None:
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raise BzrCheckError('symlink {%s} has text in revision {%s}'
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% (self.file_id, rev_id))
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if self.symlink_target is None:
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raise BzrCheckError('symlink {%s} has no target in revision {%s}'
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% (self.file_id, rev_id))
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other = InventoryLink(self.file_id, self.name, self.parent_id)
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other.symlink_target = self.symlink_target
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other.revision = self.revision
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def detect_changes(self, old_entry):
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"""See InventoryEntry.detect_changes."""
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# FIXME: which _modified field should we use ? RBC 20051003
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text_modified = (self.symlink_target != old_entry.symlink_target)
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mutter(" symlink target changed")
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meta_modified = False
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return text_modified, meta_modified
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def _diff(self, text_diff, from_label, tree, to_label, to_entry, to_tree,
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output_to, reverse=False):
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"""See InventoryEntry._diff."""
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from_text = self.symlink_target
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if to_entry is not None:
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to_text = to_entry.symlink_target
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print >>output_to, '=== target changed %r => %r' % (from_text, to_text)
746
print >>output_to, '=== target was %r' % self.symlink_target
748
print >>output_to, '=== target is %r' % self.symlink_target
750
def __init__(self, file_id, name, parent_id):
751
super(InventoryLink, self).__init__(file_id, name, parent_id)
752
self.kind = 'symlink'
754
def kind_character(self):
755
"""See InventoryEntry.kind_character."""
758
def _put_in_tar(self, item, tree):
759
"""See InventoryEntry._put_in_tar."""
760
item.type = tarfile.SYMTYPE
764
item.linkname = self.symlink_target
767
def _put_on_disk(self, fullpath, tree):
768
"""See InventoryEntry._put_on_disk."""
770
os.symlink(self.symlink_target, fullpath)
772
raise BzrError("Failed to create symlink %r -> %r, error: %s" % (fullpath, self.symlink_target, e))
774
def _read_tree_state(self, path, work_tree):
775
"""See InventoryEntry._read_tree_state."""
776
self.symlink_target = work_tree.get_symlink_target(self.file_id)
778
def _forget_tree_state(self):
779
self.symlink_target = None
781
def _unchanged(self, previous_ie):
782
"""See InventoryEntry._unchanged."""
783
compatible = super(InventoryLink, self)._unchanged(previous_ie)
784
if self.symlink_target != previous_ie.symlink_target:
789
class TreeReference(InventoryEntry):
791
kind = 'tree-reference'
793
def __init__(self, file_id, name, parent_id, revision=None,
794
reference_revision=None):
795
InventoryEntry.__init__(self, file_id, name, parent_id)
796
self.revision = revision
797
self.reference_revision = reference_revision
800
return TreeReference(self.file_id, self.name, self.parent_id,
801
self.revision, self.reference_revision)
803
def _read_tree_state(self, path, work_tree):
804
"""Populate fields in the inventory entry from the given tree.
806
self.reference_revision = work_tree.get_reference_revision(
809
def _forget_tree_state(self):
810
self.reference_revision = None
812
def _unchanged(self, previous_ie):
813
"""See InventoryEntry._unchanged."""
814
compatible = super(TreeReference, self)._unchanged(previous_ie)
815
if self.reference_revision != previous_ie.reference_revision:
820
class Inventory(object):
821
"""Inventory of versioned files in a tree.
823
This describes which file_id is present at each point in the tree,
824
and possibly the SHA-1 or other information about the file.
825
Entries can be looked up either by path or by file_id.
827
The inventory represents a typical unix file tree, with
828
directories containing files and subdirectories. We never store
829
the full path to a file, because renaming a directory implicitly
830
moves all of its contents. This class internally maintains a
831
lookup tree that allows the children under a directory to be
834
InventoryEntry objects must not be modified after they are
835
inserted, other than through the Inventory API.
837
>>> inv = Inventory()
838
>>> inv.add(InventoryFile('123-123', 'hello.c', ROOT_ID))
839
InventoryFile('123-123', 'hello.c', parent_id='TREE_ROOT', sha1=None, len=None)
840
>>> inv['123-123'].name
843
May be treated as an iterator or set to look up file ids:
845
>>> bool(inv.path2id('hello.c'))
850
May also look up by name:
852
>>> [x[0] for x in inv.iter_entries()]
854
>>> inv = Inventory('TREE_ROOT-12345678-12345678')
855
>>> inv.add(InventoryFile('123-123', 'hello.c', ROOT_ID))
856
Traceback (most recent call last):
857
BzrError: parent_id {TREE_ROOT} not in inventory
858
>>> inv.add(InventoryFile('123-123', 'hello.c', 'TREE_ROOT-12345678-12345678'))
859
InventoryFile('123-123', 'hello.c', parent_id='TREE_ROOT-12345678-12345678', sha1=None, len=None)
861
def __init__(self, root_id=ROOT_ID, revision_id=None):
862
"""Create or read an inventory.
864
If a working directory is specified, the inventory is read
865
from there. If the file is specified, read from that. If not,
866
the inventory is created empty.
868
The inventory is created with a default root directory, with
871
if root_id is not None:
872
assert root_id.__class__ == str
873
self._set_root(InventoryDirectory(root_id, u'', None))
877
self.revision_id = revision_id
879
def _set_root(self, ie):
881
self._byid = {self.root.file_id: self.root}
884
# TODO: jam 20051218 Should copy also copy the revision_id?
885
entries = self.iter_entries()
886
other = Inventory(entries.next()[1].file_id)
887
# copy recursively so we know directories will be added before
888
# their children. There are more efficient ways than this...
889
for path, entry in entries():
890
other.add(entry.copy())
894
return iter(self._byid)
897
"""Returns number of entries."""
898
return len(self._byid)
900
def iter_entries(self, from_dir=None):
901
"""Return (path, entry) pairs, in order by name."""
903
if self.root is None:
907
elif isinstance(from_dir, basestring):
908
from_dir = self._byid[from_dir]
910
# unrolling the recursive called changed the time from
911
# 440ms/663ms (inline/total) to 116ms/116ms
912
children = from_dir.children.items()
914
children = collections.deque(children)
915
stack = [(u'', children)]
917
from_dir_relpath, children = stack[-1]
920
name, ie = children.popleft()
922
# we know that from_dir_relpath never ends in a slash
923
# and 'f' doesn't begin with one, we can do a string op, rather
924
# than the checks of pathjoin(), though this means that all paths
926
path = from_dir_relpath + '/' + name
930
if ie.kind != 'directory':
933
# But do this child first
934
new_children = ie.children.items()
936
new_children = collections.deque(new_children)
937
stack.append((path, new_children))
938
# Break out of inner loop, so that we start outer loop with child
941
# if we finished all children, pop it off the stack
944
def iter_entries_by_dir(self, from_dir=None, specific_file_ids=None,
945
yield_parents=False):
946
"""Iterate over the entries in a directory first order.
948
This returns all entries for a directory before returning
949
the entries for children of a directory. This is not
950
lexicographically sorted order, and is a hybrid between
951
depth-first and breadth-first.
953
:param yield_parents: If True, yield the parents from the root leading
954
down to specific_file_ids that have been requested. This has no
955
impact if specific_file_ids is None.
956
:return: This yields (path, entry) pairs
958
if specific_file_ids:
959
safe = osutils.safe_file_id
960
specific_file_ids = set(safe(fid) for fid in specific_file_ids)
961
# TODO? Perhaps this should return the from_dir so that the root is
962
# yielded? or maybe an option?
964
if self.root is None:
966
# Optimize a common case
967
if (not yield_parents and specific_file_ids is not None and
968
len(specific_file_ids) == 1):
969
file_id = list(specific_file_ids)[0]
971
yield self.id2path(file_id), self[file_id]
974
if (specific_file_ids is None or yield_parents or
975
self.root.file_id in specific_file_ids):
977
elif isinstance(from_dir, basestring):
978
from_dir = self._byid[from_dir]
980
if specific_file_ids is not None:
981
# TODO: jam 20070302 This could really be done as a loop rather
982
# than a bunch of recursive calls.
985
def add_ancestors(file_id):
986
if file_id not in byid:
988
parent_id = byid[file_id].parent_id
989
if parent_id is None:
991
if parent_id not in parents:
992
parents.add(parent_id)
993
add_ancestors(parent_id)
994
for file_id in specific_file_ids:
995
add_ancestors(file_id)
999
stack = [(u'', from_dir)]
1001
cur_relpath, cur_dir = stack.pop()
1004
for child_name, child_ie in sorted(cur_dir.children.iteritems()):
1006
child_relpath = cur_relpath + child_name
1008
if (specific_file_ids is None or
1009
child_ie.file_id in specific_file_ids or
1010
(yield_parents and child_ie.file_id in parents)):
1011
yield child_relpath, child_ie
1013
if child_ie.kind == 'directory':
1014
if parents is None or child_ie.file_id in parents:
1015
child_dirs.append((child_relpath+'/', child_ie))
1016
stack.extend(reversed(child_dirs))
1018
def make_entry(self, kind, name, parent_id, file_id=None):
1019
"""Simple thunk to bzrlib.inventory.make_entry."""
1020
return make_entry(kind, name, parent_id, file_id)
1023
"""Return list of (path, ie) for all entries except the root.
1025
This may be faster than iter_entries.
1028
def descend(dir_ie, dir_path):
1029
kids = dir_ie.children.items()
1031
for name, ie in kids:
1032
child_path = osutils.pathjoin(dir_path, name)
1033
accum.append((child_path, ie))
1034
if ie.kind == 'directory':
1035
descend(ie, child_path)
1037
descend(self.root, u'')
1040
def directories(self):
1041
"""Return (path, entry) pairs for all directories, including the root.
1044
def descend(parent_ie, parent_path):
1045
accum.append((parent_path, parent_ie))
1047
kids = [(ie.name, ie) for ie in parent_ie.children.itervalues() if ie.kind == 'directory']
1050
for name, child_ie in kids:
1051
child_path = osutils.pathjoin(parent_path, name)
1052
descend(child_ie, child_path)
1053
descend(self.root, u'')
1056
def __contains__(self, file_id):
1057
"""True if this entry contains a file with given id.
1059
>>> inv = Inventory()
1060
>>> inv.add(InventoryFile('123', 'foo.c', ROOT_ID))
1061
InventoryFile('123', 'foo.c', parent_id='TREE_ROOT', sha1=None, len=None)
1067
file_id = osutils.safe_file_id(file_id)
1068
return (file_id in self._byid)
1070
def __getitem__(self, file_id):
1071
"""Return the entry for given file_id.
1073
>>> inv = Inventory()
1074
>>> inv.add(InventoryFile('123123', 'hello.c', ROOT_ID))
1075
InventoryFile('123123', 'hello.c', parent_id='TREE_ROOT', sha1=None, len=None)
1076
>>> inv['123123'].name
1079
file_id = osutils.safe_file_id(file_id)
1081
return self._byid[file_id]
1083
# really we're passing an inventory, not a tree...
1084
raise errors.NoSuchId(self, file_id)
1086
def get_file_kind(self, file_id):
1087
file_id = osutils.safe_file_id(file_id)
1088
return self._byid[file_id].kind
1090
def get_child(self, parent_id, filename):
1091
parent_id = osutils.safe_file_id(parent_id)
1092
return self[parent_id].children.get(filename)
1094
def _add_child(self, entry):
1095
"""Add an entry to the inventory, without adding it to its parent"""
1096
if entry.file_id in self._byid:
1097
raise BzrError("inventory already contains entry with id {%s}" %
1099
self._byid[entry.file_id] = entry
1100
for child in getattr(entry, 'children', {}).itervalues():
1101
self._add_child(child)
1104
def add(self, entry):
1105
"""Add entry to inventory.
1107
To add a file to a branch ready to be committed, use Branch.add,
1110
Returns the new entry object.
1112
if entry.file_id in self._byid:
1113
raise errors.DuplicateFileId(entry.file_id,
1114
self._byid[entry.file_id])
1116
if entry.parent_id is None:
1117
assert self.root is None and len(self._byid) == 0
1121
parent = self._byid[entry.parent_id]
1123
raise BzrError("parent_id {%s} not in inventory" %
1126
if entry.name in parent.children:
1127
raise BzrError("%s is already versioned" %
1128
osutils.pathjoin(self.id2path(parent.file_id),
1129
entry.name).encode('utf-8'))
1130
parent.children[entry.name] = entry
1131
return self._add_child(entry)
1133
def add_path(self, relpath, kind, file_id=None, parent_id=None):
1134
"""Add entry from a path.
1136
The immediate parent must already be versioned.
1138
Returns the new entry object."""
1140
parts = osutils.splitpath(relpath)
1144
file_id = generate_ids.gen_root_id()
1146
file_id = osutils.safe_file_id(file_id)
1147
self.root = InventoryDirectory(file_id, '', None)
1148
self._byid = {self.root.file_id: self.root}
1151
parent_path = parts[:-1]
1152
parent_id = self.path2id(parent_path)
1153
if parent_id is None:
1154
raise errors.NotVersionedError(path=parent_path)
1155
ie = make_entry(kind, parts[-1], parent_id, file_id)
1158
def __delitem__(self, file_id):
1159
"""Remove entry by id.
1161
>>> inv = Inventory()
1162
>>> inv.add(InventoryFile('123', 'foo.c', ROOT_ID))
1163
InventoryFile('123', 'foo.c', parent_id='TREE_ROOT', sha1=None, len=None)
1170
file_id = osutils.safe_file_id(file_id)
1173
assert ie.parent_id is None or \
1174
self[ie.parent_id].children[ie.name] == ie
1176
del self._byid[file_id]
1177
if ie.parent_id is not None:
1178
del self[ie.parent_id].children[ie.name]
1180
def __eq__(self, other):
1181
"""Compare two sets by comparing their contents.
1183
>>> i1 = Inventory()
1184
>>> i2 = Inventory()
1187
>>> i1.add(InventoryFile('123', 'foo', ROOT_ID))
1188
InventoryFile('123', 'foo', parent_id='TREE_ROOT', sha1=None, len=None)
1191
>>> i2.add(InventoryFile('123', 'foo', ROOT_ID))
1192
InventoryFile('123', 'foo', parent_id='TREE_ROOT', sha1=None, len=None)
1196
if not isinstance(other, Inventory):
1197
return NotImplemented
1199
return self._byid == other._byid
1201
def __ne__(self, other):
1202
return not self.__eq__(other)
1205
raise ValueError('not hashable')
1207
def _iter_file_id_parents(self, file_id):
1208
"""Yield the parents of file_id up to the root."""
1209
file_id = osutils.safe_file_id(file_id)
1210
while file_id is not None:
1212
ie = self._byid[file_id]
1214
raise errors.NoSuchId(tree=None, file_id=file_id)
1216
file_id = ie.parent_id
1218
def get_idpath(self, file_id):
1219
"""Return a list of file_ids for the path to an entry.
1221
The list contains one element for each directory followed by
1222
the id of the file itself. So the length of the returned list
1223
is equal to the depth of the file in the tree, counting the
1224
root directory as depth 1.
1226
file_id = osutils.safe_file_id(file_id)
1228
for parent in self._iter_file_id_parents(file_id):
1229
p.insert(0, parent.file_id)
1232
def id2path(self, file_id):
1233
"""Return as a string the path to file_id.
1236
>>> e = i.add(InventoryDirectory('src-id', 'src', ROOT_ID))
1237
>>> e = i.add(InventoryFile('foo-id', 'foo.c', parent_id='src-id'))
1238
>>> print i.id2path('foo-id')
1241
file_id = osutils.safe_file_id(file_id)
1242
# get all names, skipping root
1243
return '/'.join(reversed(
1244
[parent.name for parent in
1245
self._iter_file_id_parents(file_id)][:-1]))
1247
def path2id(self, name):
1248
"""Walk down through directories to return entry of last component.
1250
names may be either a list of path components, or a single
1251
string, in which case it is automatically split.
1253
This returns the entry of the last component in the path,
1254
which may be either a file or a directory.
1256
Returns None IFF the path is not found.
1258
if isinstance(name, basestring):
1259
name = osutils.splitpath(name)
1261
# mutter("lookup path %r" % name)
1268
children = getattr(parent, 'children', None)
1269
if children is None:
1272
assert cie.name == f
1273
assert cie.parent_id == parent.file_id
1276
# or raise an error?
1279
return parent.file_id
1281
def has_filename(self, names):
1282
return bool(self.path2id(names))
1284
def has_id(self, file_id):
1285
file_id = osutils.safe_file_id(file_id)
1286
return (file_id in self._byid)
1288
def remove_recursive_id(self, file_id):
1289
"""Remove file_id, and children, from the inventory.
1291
:param file_id: A file_id to remove.
1293
file_id = osutils.safe_file_id(file_id)
1294
to_find_delete = [self._byid[file_id]]
1296
while to_find_delete:
1297
ie = to_find_delete.pop()
1298
to_delete.append(ie.file_id)
1299
if ie.kind == 'directory':
1300
to_find_delete.extend(ie.children.values())
1301
for file_id in reversed(to_delete):
1303
del self._byid[file_id]
1304
if ie.parent_id is not None:
1305
del self[ie.parent_id].children[ie.name]
1309
def rename(self, file_id, new_parent_id, new_name):
1310
"""Move a file within the inventory.
1312
This can change either the name, or the parent, or both.
1314
This does not move the working file.
1316
file_id = osutils.safe_file_id(file_id)
1317
new_name = ensure_normalized_name(new_name)
1318
if not is_valid_name(new_name):
1319
raise BzrError("not an acceptable filename: %r" % new_name)
1321
new_parent = self._byid[new_parent_id]
1322
if new_name in new_parent.children:
1323
raise BzrError("%r already exists in %r" % (new_name, self.id2path(new_parent_id)))
1325
new_parent_idpath = self.get_idpath(new_parent_id)
1326
if file_id in new_parent_idpath:
1327
raise BzrError("cannot move directory %r into a subdirectory of itself, %r"
1328
% (self.id2path(file_id), self.id2path(new_parent_id)))
1330
file_ie = self._byid[file_id]
1331
old_parent = self._byid[file_ie.parent_id]
1333
# TODO: Don't leave things messed up if this fails
1335
del old_parent.children[file_ie.name]
1336
new_parent.children[new_name] = file_ie
1338
file_ie.name = new_name
1339
file_ie.parent_id = new_parent_id
1341
def is_root(self, file_id):
1342
file_id = osutils.safe_file_id(file_id)
1343
return self.root is not None and file_id == self.root.file_id
1347
'directory': InventoryDirectory,
1348
'file': InventoryFile,
1349
'symlink': InventoryLink,
1350
'tree-reference': TreeReference
1353
def make_entry(kind, name, parent_id, file_id=None):
1354
"""Create an inventory entry.
1356
:param kind: the type of inventory entry to create.
1357
:param name: the basename of the entry.
1358
:param parent_id: the parent_id of the entry.
1359
:param file_id: the file_id to use. if None, one will be created.
1362
file_id = generate_ids.gen_file_id(name)
1364
file_id = osutils.safe_file_id(file_id)
1365
name = ensure_normalized_name(name)
1367
factory = entry_factory[kind]
1369
raise BzrError("unknown kind %r" % kind)
1370
return factory(file_id, name, parent_id)
1373
def ensure_normalized_name(name):
1376
:raises InvalidNormalization: When name is not normalized, and cannot be
1377
accessed on this platform by the normalized path.
1378
:return: The NFC/NFKC normalised version of name.
1380
#------- This has been copied to bzrlib.dirstate.DirState.add, please
1381
# keep them synchronised.
1382
# we dont import normalized_filename directly because we want to be
1383
# able to change the implementation at runtime for tests.
1384
norm_name, can_access = osutils.normalized_filename(name)
1385
if norm_name != name:
1389
# TODO: jam 20060701 This would probably be more useful
1390
# if the error was raised with the full path
1391
raise errors.InvalidNormalization(name)
1397
def is_valid_name(name):
1399
if _NAME_RE is None:
1400
_NAME_RE = re.compile(r'^[^/\\]+$')
1402
return bool(_NAME_RE.match(name))
added
removed
bzrlib/inventory.py
