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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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_in, deprecated_method
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from bzrlib.trace import mutter
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from bzrlib.static_tuple import StaticTuple
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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, revision=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, revision=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, revision=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, revision=None)
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InventoryFile('2326', 'wibble.c', parent_id='2325', sha1=None, len=None, revision=None)
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>>> for path, entry in i.iter_entries():
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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 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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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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# add this revision as a candidate.
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candidates[ie.revision] = ie
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@deprecated_method(deprecated_in((1, 6, 0)))
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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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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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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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@deprecated_method(deprecated_in((1, 6, 0)))
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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):
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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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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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checker._add_entry_to_text_key_references(inv, self)
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self._check(checker, rev_id)
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def _check(self, checker, rev_id):
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"""Check this inventory entry for kind specific errors."""
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checker._report_items.append(
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'unknown entry kind %r in revision {%s}' % (self.kind, rev_id))
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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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# For the case when objects are cached
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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):
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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):
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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
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self.text_id is not None):
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checker._report_items.append('directory {%s} has text in revision {%s}'
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% (self.file_id, rev_id))
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# In non rich root repositories we do not expect a file graph for the
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if self.name == '' and not checker.rich_roots:
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# Directories are stored as an empty file, but the file should exist
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# to provide a per-fileid log. The hash of every directory content is
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# "da..." below (the sha1sum of '').
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checker.add_pending_item(rev_id,
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('texts', self.file_id, self.revision), 'text',
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'da39a3ee5e6b4b0d3255bfef95601890afd80709')
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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):
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"""See InventoryEntry._check"""
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# TODO: check size too.
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checker.add_pending_item(tree_revision_id,
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('texts', self.file_id, self.revision), 'text',
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if self.text_size is None:
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checker._report_items.append(
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'fileid {%s} in {%s} has None for text_size' % (self.file_id,
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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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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 bzrlib.diff import DiffText
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from_file_id = self.file_id
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to_file_id = to_entry.file_id
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to_file_id, from_file_id = from_file_id, to_file_id
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tree, to_tree = to_tree, tree
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from_label, to_label = to_label, from_label
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differ = DiffText(tree, to_tree, output_to, 'utf-8', '', '',
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return differ.diff_text(from_file_id, to_file_id, from_label, to_label)
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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, revision=%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, tree_revision_id):
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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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checker._report_items.append(
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'symlink {%s} has text in revision {%s}'
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% (self.file_id, tree_revision_id))
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if self.symlink_target is None:
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checker._report_items.append(
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'symlink {%s} has no target in revision {%s}'
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% (self.file_id, tree_revision_id))
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# Symlinks are stored as ''
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checker.add_pending_item(tree_revision_id,
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('texts', self.file_id, self.revision), 'text',
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'da39a3ee5e6b4b0d3255bfef95601890afd80709')
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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 bzrlib.diff import DiffSymlink
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old_target = self.symlink_target
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if to_entry is not None:
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new_target = to_entry.symlink_target
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new_target, old_target = old_target, new_target
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differ = DiffSymlink(old_tree, new_tree, output_to)
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return differ.diff_symlink(old_target, new_target)
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def __init__(self, file_id, name, parent_id):
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super(InventoryLink, self).__init__(file_id, name, parent_id)
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self.kind = 'symlink'
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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.SYMTYPE
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item.linkname = self.symlink_target
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def _put_on_disk(self, fullpath, tree):
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"""See InventoryEntry._put_on_disk."""
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os.symlink(self.symlink_target, fullpath)
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raise BzrError("Failed to create symlink %r -> %r, error: %s" % (fullpath, self.symlink_target, e))
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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.symlink_target = work_tree.get_symlink_target(self.file_id)
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def _forget_tree_state(self):
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self.symlink_target = None
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def _unchanged(self, previous_ie):
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"""See InventoryEntry._unchanged."""
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compatible = super(InventoryLink, self)._unchanged(previous_ie)
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if self.symlink_target != previous_ie.symlink_target:
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class TreeReference(InventoryEntry):
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kind = 'tree-reference'
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def __init__(self, file_id, name, parent_id, revision=None,
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reference_revision=None):
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InventoryEntry.__init__(self, file_id, name, parent_id)
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self.revision = revision
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self.reference_revision = reference_revision
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return TreeReference(self.file_id, self.name, self.parent_id,
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self.revision, self.reference_revision)
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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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self.reference_revision = work_tree.get_reference_revision(
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def _forget_tree_state(self):
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self.reference_revision = None
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def _unchanged(self, previous_ie):
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"""See InventoryEntry._unchanged."""
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compatible = super(TreeReference, self)._unchanged(previous_ie)
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if self.reference_revision != previous_ie.reference_revision:
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class CommonInventory(object):
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"""Basic inventory logic, defined in terms of primitives like has_id.
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An inventory is the metadata about the contents of a tree.
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This is broadly a map from file_id to entries such as directories, files,
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symlinks and tree references. Each entry maintains its own metadata like
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SHA1 and length for files, or children for a directory.
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Entries can be looked up either by path or by file_id.
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InventoryEntry objects must not be modified after they are
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inserted, other than through the Inventory API.
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def __contains__(self, file_id):
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"""True if this entry contains a file with given id.
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>>> inv = Inventory()
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>>> inv.add(InventoryFile('123', 'foo.c', ROOT_ID))
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InventoryFile('123', 'foo.c', parent_id='TREE_ROOT', sha1=None, len=None, revision=None)
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Note that this method along with __iter__ are not encouraged for use as
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they are less clear than specific query methods - they may be rmeoved
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return self.has_id(file_id)
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def has_filename(self, filename):
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return bool(self.path2id(filename))
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def id2path(self, file_id):
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"""Return as a string the path to file_id.
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>>> e = i.add(InventoryDirectory('src-id', 'src', ROOT_ID))
761
>>> e = i.add(InventoryFile('foo-id', 'foo.c', parent_id='src-id'))
762
>>> print i.id2path('foo-id')
765
:raises NoSuchId: If file_id is not present in the inventory.
767
# get all names, skipping root
768
return '/'.join(reversed(
769
[parent.name for parent in
770
self._iter_file_id_parents(file_id)][:-1]))
772
def iter_entries(self, from_dir=None, recursive=True):
773
"""Return (path, entry) pairs, in order by name.
775
:param from_dir: if None, start from the root,
776
otherwise start from this directory (either file-id or entry)
777
:param recursive: recurse into directories or not
780
if self.root is None:
784
elif isinstance(from_dir, basestring):
785
from_dir = self[from_dir]
787
# unrolling the recursive called changed the time from
788
# 440ms/663ms (inline/total) to 116ms/116ms
789
children = from_dir.children.items()
792
for name, ie in children:
795
children = collections.deque(children)
796
stack = [(u'', children)]
798
from_dir_relpath, children = stack[-1]
801
name, ie = children.popleft()
803
# we know that from_dir_relpath never ends in a slash
804
# and 'f' doesn't begin with one, we can do a string op, rather
805
# than the checks of pathjoin(), though this means that all paths
807
path = from_dir_relpath + '/' + name
811
if ie.kind != 'directory':
814
# But do this child first
815
new_children = ie.children.items()
817
new_children = collections.deque(new_children)
818
stack.append((path, new_children))
819
# Break out of inner loop, so that we start outer loop with child
822
# if we finished all children, pop it off the stack
825
def iter_entries_by_dir(self, from_dir=None, specific_file_ids=None,
826
yield_parents=False):
827
"""Iterate over the entries in a directory first order.
829
This returns all entries for a directory before returning
830
the entries for children of a directory. This is not
831
lexicographically sorted order, and is a hybrid between
832
depth-first and breadth-first.
834
:param yield_parents: If True, yield the parents from the root leading
835
down to specific_file_ids that have been requested. This has no
836
impact if specific_file_ids is None.
837
:return: This yields (path, entry) pairs
839
if specific_file_ids and not isinstance(specific_file_ids, set):
840
specific_file_ids = set(specific_file_ids)
841
# TODO? Perhaps this should return the from_dir so that the root is
842
# yielded? or maybe an option?
844
if self.root is None:
846
# Optimize a common case
847
if (not yield_parents and specific_file_ids is not None and
848
len(specific_file_ids) == 1):
849
file_id = list(specific_file_ids)[0]
851
yield self.id2path(file_id), self[file_id]
854
if (specific_file_ids is None or yield_parents or
855
self.root.file_id in specific_file_ids):
857
elif isinstance(from_dir, basestring):
858
from_dir = self[from_dir]
860
if specific_file_ids is not None:
861
# TODO: jam 20070302 This could really be done as a loop rather
862
# than a bunch of recursive calls.
865
def add_ancestors(file_id):
866
if file_id not in byid:
868
parent_id = byid[file_id].parent_id
869
if parent_id is None:
871
if parent_id not in parents:
872
parents.add(parent_id)
873
add_ancestors(parent_id)
874
for file_id in specific_file_ids:
875
add_ancestors(file_id)
879
stack = [(u'', from_dir)]
881
cur_relpath, cur_dir = stack.pop()
884
for child_name, child_ie in sorted(cur_dir.children.iteritems()):
886
child_relpath = cur_relpath + child_name
888
if (specific_file_ids is None or
889
child_ie.file_id in specific_file_ids or
890
(yield_parents and child_ie.file_id in parents)):
891
yield child_relpath, child_ie
893
if child_ie.kind == 'directory':
894
if parents is None or child_ie.file_id in parents:
895
child_dirs.append((child_relpath+'/', child_ie))
896
stack.extend(reversed(child_dirs))
898
def _make_delta(self, old):
899
"""Make an inventory delta from two inventories."""
902
adds = new_ids - old_ids
903
deletes = old_ids - new_ids
904
common = old_ids.intersection(new_ids)
906
for file_id in deletes:
907
delta.append((old.id2path(file_id), None, file_id, None))
909
delta.append((None, self.id2path(file_id), file_id, self[file_id]))
910
for file_id in common:
911
if old[file_id] != self[file_id]:
912
delta.append((old.id2path(file_id), self.id2path(file_id),
913
file_id, self[file_id]))
916
def _get_mutable_inventory(self):
917
"""Returns a mutable copy of the object.
919
Some inventories are immutable, yet working trees, for example, needs
920
to mutate exisiting inventories instead of creating a new one.
922
raise NotImplementedError(self._get_mutable_inventory)
924
def make_entry(self, kind, name, parent_id, file_id=None):
925
"""Simple thunk to bzrlib.inventory.make_entry."""
926
return make_entry(kind, name, parent_id, file_id)
929
"""Return list of (path, ie) for all entries except the root.
931
This may be faster than iter_entries.
934
def descend(dir_ie, dir_path):
935
kids = dir_ie.children.items()
937
for name, ie in kids:
938
child_path = osutils.pathjoin(dir_path, name)
939
accum.append((child_path, ie))
940
if ie.kind == 'directory':
941
descend(ie, child_path)
943
descend(self.root, u'')
946
def directories(self):
947
"""Return (path, entry) pairs for all directories, including the root.
950
def descend(parent_ie, parent_path):
951
accum.append((parent_path, parent_ie))
953
kids = [(ie.name, ie) for ie in parent_ie.children.itervalues() if ie.kind == 'directory']
956
for name, child_ie in kids:
957
child_path = osutils.pathjoin(parent_path, name)
958
descend(child_ie, child_path)
959
descend(self.root, u'')
962
def path2id(self, relpath):
963
"""Walk down through directories to return entry of last component.
965
:param relpath: may be either a list of path components, or a single
966
string, in which case it is automatically split.
968
This returns the entry of the last component in the path,
969
which may be either a file or a directory.
971
Returns None IFF the path is not found.
973
if isinstance(relpath, basestring):
974
names = osutils.splitpath(relpath)
980
except errors.NoSuchId:
981
# root doesn't exist yet so nothing else can
987
children = getattr(parent, 'children', None)
996
return parent.file_id
998
def filter(self, specific_fileids):
999
"""Get an inventory view filtered against a set of file-ids.
1001
Children of directories and parents are included.
1003
The result may or may not reference the underlying inventory
1004
so it should be treated as immutable.
1006
interesting_parents = set()
1007
for fileid in specific_fileids:
1009
interesting_parents.update(self.get_idpath(fileid))
1010
except errors.NoSuchId:
1011
# This fileid is not in the inventory - that's ok
1013
entries = self.iter_entries()
1014
if self.root is None:
1015
return Inventory(root_id=None)
1016
other = Inventory(entries.next()[1].file_id)
1017
other.root.revision = self.root.revision
1018
other.revision_id = self.revision_id
1019
directories_to_expand = set()
1020
for path, entry in entries:
1021
file_id = entry.file_id
1022
if (file_id in specific_fileids
1023
or entry.parent_id in directories_to_expand):
1024
if entry.kind == 'directory':
1025
directories_to_expand.add(file_id)
1026
elif file_id not in interesting_parents:
1028
other.add(entry.copy())
1031
def get_idpath(self, file_id):
1032
"""Return a list of file_ids for the path to an entry.
1034
The list contains one element for each directory followed by
1035
the id of the file itself. So the length of the returned list
1036
is equal to the depth of the file in the tree, counting the
1037
root directory as depth 1.
1040
for parent in self._iter_file_id_parents(file_id):
1041
p.insert(0, parent.file_id)
1045
class Inventory(CommonInventory):
1046
"""Mutable dict based in-memory inventory.
1048
We never store the full path to a file, because renaming a directory
1049
implicitly moves all of its contents. This class internally maintains a
1050
lookup tree that allows the children under a directory to be
1053
>>> inv = Inventory()
1054
>>> inv.add(InventoryFile('123-123', 'hello.c', ROOT_ID))
1055
InventoryFile('123-123', 'hello.c', parent_id='TREE_ROOT', sha1=None, len=None, revision=None)
1056
>>> inv['123-123'].name
1059
Id's may be looked up from paths:
1061
>>> inv.path2id('hello.c')
1063
>>> '123-123' in inv
1066
There are iterators over the contents:
1068
>>> [entry[0] for entry in inv.iter_entries()]
1072
def __init__(self, root_id=ROOT_ID, revision_id=None):
1073
"""Create or read an inventory.
1075
If a working directory is specified, the inventory is read
1076
from there. If the file is specified, read from that. If not,
1077
the inventory is created empty.
1079
The inventory is created with a default root directory, with
1082
if root_id is not None:
1083
self._set_root(InventoryDirectory(root_id, u'', None))
1087
self.revision_id = revision_id
1090
# More than one page of ouput is not useful anymore to debug
1093
contents = repr(self._byid)
1094
if len(contents) > max_len:
1095
contents = contents[:(max_len-len(closing))] + closing
1096
return "<Inventory object at %x, contents=%r>" % (id(self), contents)
1098
def apply_delta(self, delta):
1099
"""Apply a delta to this inventory.
1101
See the inventory developers documentation for the theory behind
1104
If delta application fails the inventory is left in an indeterminate
1105
state and must not be used.
1107
:param delta: A list of changes to apply. After all the changes are
1108
applied the final inventory must be internally consistent, but it
1109
is ok to supply changes which, if only half-applied would have an
1110
invalid result - such as supplying two changes which rename two
1111
files, 'A' and 'B' with each other : [('A', 'B', 'A-id', a_entry),
1112
('B', 'A', 'B-id', b_entry)].
1114
Each change is a tuple, of the form (old_path, new_path, file_id,
1117
When new_path is None, the change indicates the removal of an entry
1118
from the inventory and new_entry will be ignored (using None is
1119
appropriate). If new_path is not None, then new_entry must be an
1120
InventoryEntry instance, which will be incorporated into the
1121
inventory (and replace any existing entry with the same file id).
1123
When old_path is None, the change indicates the addition of
1124
a new entry to the inventory.
1126
When neither new_path nor old_path are None, the change is a
1127
modification to an entry, such as a rename, reparent, kind change
1130
The children attribute of new_entry is ignored. This is because
1131
this method preserves children automatically across alterations to
1132
the parent of the children, and cases where the parent id of a
1133
child is changing require the child to be passed in as a separate
1134
change regardless. E.g. in the recursive deletion of a directory -
1135
the directory's children must be included in the delta, or the
1136
final inventory will be invalid.
1138
Note that a file_id must only appear once within a given delta.
1139
An AssertionError is raised otherwise.
1141
# Check that the delta is legal. It would be nice if this could be
1142
# done within the loops below but it's safer to validate the delta
1143
# before starting to mutate the inventory, as there isn't a rollback
1145
list(_check_delta_unique_ids(_check_delta_unique_new_paths(
1146
_check_delta_unique_old_paths(_check_delta_ids_match_entry(
1147
_check_delta_ids_are_valid(
1148
_check_delta_new_path_entry_both_or_None(
1152
# Remove all affected items which were in the original inventory,
1153
# starting with the longest paths, thus ensuring parents are examined
1154
# after their children, which means that everything we examine has no
1155
# modified children remaining by the time we examine it.
1156
for old_path, file_id in sorted(((op, f) for op, np, f, e in delta
1157
if op is not None), reverse=True):
1158
# Preserve unaltered children of file_id for later reinsertion.
1159
file_id_children = getattr(self[file_id], 'children', {})
1160
if len(file_id_children):
1161
children[file_id] = file_id_children
1162
if self.id2path(file_id) != old_path:
1163
raise errors.InconsistentDelta(old_path, file_id,
1164
"Entry was at wrong other path %r." % self.id2path(file_id))
1165
# Remove file_id and the unaltered children. If file_id is not
1166
# being deleted it will be reinserted back later.
1167
self.remove_recursive_id(file_id)
1168
# Insert all affected which should be in the new inventory, reattaching
1169
# their children if they had any. This is done from shortest path to
1170
# longest, ensuring that items which were modified and whose parents in
1171
# the resulting inventory were also modified, are inserted after their
1173
for new_path, f, new_entry in sorted((np, f, e) for op, np, f, e in
1174
delta if np is not None):
1175
if new_entry.kind == 'directory':
1176
# Pop the child which to allow detection of children whose
1177
# parents were deleted and which were not reattached to a new
1179
replacement = InventoryDirectory(new_entry.file_id,
1180
new_entry.name, new_entry.parent_id)
1181
replacement.revision = new_entry.revision
1182
replacement.children = children.pop(replacement.file_id, {})
1183
new_entry = replacement
1186
except errors.DuplicateFileId:
1187
raise errors.InconsistentDelta(new_path, new_entry.file_id,
1188
"New id is already present in target.")
1189
except AttributeError:
1190
raise errors.InconsistentDelta(new_path, new_entry.file_id,
1191
"Parent is not a directory.")
1192
if self.id2path(new_entry.file_id) != new_path:
1193
raise errors.InconsistentDelta(new_path, new_entry.file_id,
1194
"New path is not consistent with parent path.")
1196
# Get the parent id that was deleted
1197
parent_id, children = children.popitem()
1198
raise errors.InconsistentDelta("<deleted>", parent_id,
1199
"The file id was deleted but its children were not deleted.")
1201
def create_by_apply_delta(self, inventory_delta, new_revision_id,
1202
propagate_caches=False):
1203
"""See CHKInventory.create_by_apply_delta()"""
1204
new_inv = self.copy()
1205
new_inv.apply_delta(inventory_delta)
1206
new_inv.revision_id = new_revision_id
1209
def _set_root(self, ie):
1211
self._byid = {self.root.file_id: self.root}
1214
# TODO: jam 20051218 Should copy also copy the revision_id?
1215
entries = self.iter_entries()
1216
if self.root is None:
1217
return Inventory(root_id=None)
1218
other = Inventory(entries.next()[1].file_id)
1219
other.root.revision = self.root.revision
1220
# copy recursively so we know directories will be added before
1221
# their children. There are more efficient ways than this...
1222
for path, entry in entries:
1223
other.add(entry.copy())
1226
def _get_mutable_inventory(self):
1227
"""See CommonInventory._get_mutable_inventory."""
1228
return copy.deepcopy(self)
1231
"""Iterate over all file-ids."""
1232
return iter(self._byid)
1234
def iter_just_entries(self):
1235
"""Iterate over all entries.
1237
Unlike iter_entries(), just the entries are returned (not (path, ie))
1238
and the order of entries is undefined.
1240
XXX: We may not want to merge this into bzr.dev.
1242
if self.root is None:
1244
for _, ie in self._byid.iteritems():
1248
"""Returns number of entries."""
1249
return len(self._byid)
1251
def __getitem__(self, file_id):
1252
"""Return the entry for given file_id.
1254
>>> inv = Inventory()
1255
>>> inv.add(InventoryFile('123123', 'hello.c', ROOT_ID))
1256
InventoryFile('123123', 'hello.c', parent_id='TREE_ROOT', sha1=None, len=None, revision=None)
1257
>>> inv['123123'].name
1261
return self._byid[file_id]
1263
# really we're passing an inventory, not a tree...
1264
raise errors.NoSuchId(self, file_id)
1266
def get_file_kind(self, file_id):
1267
return self._byid[file_id].kind
1269
def get_child(self, parent_id, filename):
1270
return self[parent_id].children.get(filename)
1272
def _add_child(self, entry):
1273
"""Add an entry to the inventory, without adding it to its parent"""
1274
if entry.file_id in self._byid:
1275
raise BzrError("inventory already contains entry with id {%s}" %
1277
self._byid[entry.file_id] = entry
1278
for child in getattr(entry, 'children', {}).itervalues():
1279
self._add_child(child)
1282
def add(self, entry):
1283
"""Add entry to inventory.
1285
To add a file to a branch ready to be committed, use Branch.add,
1290
if entry.file_id in self._byid:
1291
raise errors.DuplicateFileId(entry.file_id,
1292
self._byid[entry.file_id])
1293
if entry.parent_id is None:
1297
parent = self._byid[entry.parent_id]
1299
raise errors.InconsistentDelta("<unknown>", entry.parent_id,
1300
"Parent not in inventory.")
1301
if entry.name in parent.children:
1302
raise errors.InconsistentDelta(
1303
self.id2path(parent.children[entry.name].file_id),
1305
"Path already versioned")
1306
parent.children[entry.name] = entry
1307
return self._add_child(entry)
1309
def add_path(self, relpath, kind, file_id=None, parent_id=None):
1310
"""Add entry from a path.
1312
The immediate parent must already be versioned.
1314
Returns the new entry object."""
1316
parts = osutils.splitpath(relpath)
1320
file_id = generate_ids.gen_root_id()
1321
self.root = InventoryDirectory(file_id, '', None)
1322
self._byid = {self.root.file_id: self.root}
1325
parent_path = parts[:-1]
1326
parent_id = self.path2id(parent_path)
1327
if parent_id is None:
1328
raise errors.NotVersionedError(path=parent_path)
1329
ie = make_entry(kind, parts[-1], parent_id, file_id)
1332
def __delitem__(self, file_id):
1333
"""Remove entry by id.
1335
>>> inv = Inventory()
1336
>>> inv.add(InventoryFile('123', 'foo.c', ROOT_ID))
1337
InventoryFile('123', 'foo.c', parent_id='TREE_ROOT', sha1=None, len=None, revision=None)
1345
del self._byid[file_id]
1346
if ie.parent_id is not None:
1347
del self[ie.parent_id].children[ie.name]
1349
def __eq__(self, other):
1350
"""Compare two sets by comparing their contents.
1352
>>> i1 = Inventory()
1353
>>> i2 = Inventory()
1356
>>> i1.add(InventoryFile('123', 'foo', ROOT_ID))
1357
InventoryFile('123', 'foo', parent_id='TREE_ROOT', sha1=None, len=None, revision=None)
1360
>>> i2.add(InventoryFile('123', 'foo', ROOT_ID))
1361
InventoryFile('123', 'foo', parent_id='TREE_ROOT', sha1=None, len=None, revision=None)
1365
if not isinstance(other, Inventory):
1366
return NotImplemented
1368
return self._byid == other._byid
1370
def __ne__(self, other):
1371
return not self.__eq__(other)
1374
raise ValueError('not hashable')
1376
def _iter_file_id_parents(self, file_id):
1377
"""Yield the parents of file_id up to the root."""
1378
while file_id is not None:
1380
ie = self._byid[file_id]
1382
raise errors.NoSuchId(tree=None, file_id=file_id)
1384
file_id = ie.parent_id
1386
def has_id(self, file_id):
1387
return (file_id in self._byid)
1389
def _make_delta(self, old):
1390
"""Make an inventory delta from two inventories."""
1391
old_getter = getattr(old, '_byid', old)
1392
new_getter = self._byid
1393
old_ids = set(old_getter)
1394
new_ids = set(new_getter)
1395
adds = new_ids - old_ids
1396
deletes = old_ids - new_ids
1397
if not adds and not deletes:
1400
common = old_ids.intersection(new_ids)
1402
for file_id in deletes:
1403
delta.append((old.id2path(file_id), None, file_id, None))
1404
for file_id in adds:
1405
delta.append((None, self.id2path(file_id), file_id, self[file_id]))
1406
for file_id in common:
1407
new_ie = new_getter[file_id]
1408
old_ie = old_getter[file_id]
1409
# If xml_serializer returns the cached InventoryEntries (rather
1410
# than always doing .copy()), inlining the 'is' check saves 2.7M
1411
# calls to __eq__. Under lsprof this saves 20s => 6s.
1412
# It is a minor improvement without lsprof.
1413
if old_ie is new_ie or old_ie == new_ie:
1416
delta.append((old.id2path(file_id), self.id2path(file_id),
1420
def remove_recursive_id(self, file_id):
1421
"""Remove file_id, and children, from the inventory.
1423
:param file_id: A file_id to remove.
1425
to_find_delete = [self._byid[file_id]]
1427
while to_find_delete:
1428
ie = to_find_delete.pop()
1429
to_delete.append(ie.file_id)
1430
if ie.kind == 'directory':
1431
to_find_delete.extend(ie.children.values())
1432
for file_id in reversed(to_delete):
1434
del self._byid[file_id]
1435
if ie.parent_id is not None:
1436
del self[ie.parent_id].children[ie.name]
1440
def rename(self, file_id, new_parent_id, new_name):
1441
"""Move a file within the inventory.
1443
This can change either the name, or the parent, or both.
1445
This does not move the working file.
1447
new_name = ensure_normalized_name(new_name)
1448
if not is_valid_name(new_name):
1449
raise BzrError("not an acceptable filename: %r" % new_name)
1451
new_parent = self._byid[new_parent_id]
1452
if new_name in new_parent.children:
1453
raise BzrError("%r already exists in %r" % (new_name, self.id2path(new_parent_id)))
1455
new_parent_idpath = self.get_idpath(new_parent_id)
1456
if file_id in new_parent_idpath:
1457
raise BzrError("cannot move directory %r into a subdirectory of itself, %r"
1458
% (self.id2path(file_id), self.id2path(new_parent_id)))
1460
file_ie = self._byid[file_id]
1461
old_parent = self._byid[file_ie.parent_id]
1463
# TODO: Don't leave things messed up if this fails
1465
del old_parent.children[file_ie.name]
1466
new_parent.children[new_name] = file_ie
1468
file_ie.name = new_name
1469
file_ie.parent_id = new_parent_id
1471
def is_root(self, file_id):
1472
return self.root is not None and file_id == self.root.file_id
1475
class CHKInventory(CommonInventory):
1476
"""An inventory persisted in a CHK store.
1478
By design, a CHKInventory is immutable so many of the methods
1479
supported by Inventory - add, rename, apply_delta, etc - are *not*
1480
supported. To create a new CHKInventory, use create_by_apply_delta()
1481
or from_inventory(), say.
1483
Internally, a CHKInventory has one or two CHKMaps:
1485
* id_to_entry - a map from (file_id,) => InventoryEntry as bytes
1486
* parent_id_basename_to_file_id - a map from (parent_id, basename_utf8)
1489
The second map is optional and not present in early CHkRepository's.
1491
No caching is performed: every method call or item access will perform
1492
requests to the storage layer. As such, keep references to objects you
1496
def __init__(self, search_key_name):
1497
CommonInventory.__init__(self)
1498
self._fileid_to_entry_cache = {}
1499
self._path_to_fileid_cache = {}
1500
self._search_key_name = search_key_name
1503
def __eq__(self, other):
1504
"""Compare two sets by comparing their contents."""
1505
if not isinstance(other, CHKInventory):
1506
return NotImplemented
1508
this_key = self.id_to_entry.key()
1509
other_key = other.id_to_entry.key()
1510
this_pid_key = self.parent_id_basename_to_file_id.key()
1511
other_pid_key = other.parent_id_basename_to_file_id.key()
1512
if None in (this_key, this_pid_key, other_key, other_pid_key):
1514
return this_key == other_key and this_pid_key == other_pid_key
1516
def _entry_to_bytes(self, entry):
1517
"""Serialise entry as a single bytestring.
1519
:param Entry: An inventory entry.
1520
:return: A bytestring for the entry.
1523
ENTRY ::= FILE | DIR | SYMLINK | TREE
1524
FILE ::= "file: " COMMON SEP SHA SEP SIZE SEP EXECUTABLE
1525
DIR ::= "dir: " COMMON
1526
SYMLINK ::= "symlink: " COMMON SEP TARGET_UTF8
1527
TREE ::= "tree: " COMMON REFERENCE_REVISION
1528
COMMON ::= FILE_ID SEP PARENT_ID SEP NAME_UTF8 SEP REVISION
1531
if entry.parent_id is not None:
1532
parent_str = entry.parent_id
1535
name_str = entry.name.encode("utf8")
1536
if entry.kind == 'file':
1537
if entry.executable:
1541
return "file: %s\n%s\n%s\n%s\n%s\n%d\n%s" % (
1542
entry.file_id, parent_str, name_str, entry.revision,
1543
entry.text_sha1, entry.text_size, exec_str)
1544
elif entry.kind == 'directory':
1545
return "dir: %s\n%s\n%s\n%s" % (
1546
entry.file_id, parent_str, name_str, entry.revision)
1547
elif entry.kind == 'symlink':
1548
return "symlink: %s\n%s\n%s\n%s\n%s" % (
1549
entry.file_id, parent_str, name_str, entry.revision,
1550
entry.symlink_target.encode("utf8"))
1551
elif entry.kind == 'tree-reference':
1552
return "tree: %s\n%s\n%s\n%s\n%s" % (
1553
entry.file_id, parent_str, name_str, entry.revision,
1554
entry.reference_revision)
1556
raise ValueError("unknown kind %r" % entry.kind)
1558
def _expand_fileids_to_parents_and_children(self, file_ids):
1559
"""Give a more wholistic view starting with the given file_ids.
1561
For any file_id which maps to a directory, we will include all children
1562
of that directory. We will also include all directories which are
1563
parents of the given file_ids, but we will not include their children.
1570
fringle # fringle-id
1574
if given [foo-id] we will include
1575
TREE_ROOT as interesting parents
1577
foo-id, baz-id, frob-id, fringle-id
1581
# TODO: Pre-pass over the list of fileids to see if anything is already
1582
# deserialized in self._fileid_to_entry_cache
1584
directories_to_expand = set()
1585
children_of_parent_id = {}
1586
# It is okay if some of the fileids are missing
1587
for entry in self._getitems(file_ids):
1588
if entry.kind == 'directory':
1589
directories_to_expand.add(entry.file_id)
1590
interesting.add(entry.parent_id)
1591
children_of_parent_id.setdefault(entry.parent_id, []
1592
).append(entry.file_id)
1594
# Now, interesting has all of the direct parents, but not the
1595
# parents of those parents. It also may have some duplicates with
1597
remaining_parents = interesting.difference(file_ids)
1598
# When we hit the TREE_ROOT, we'll get an interesting parent of None,
1599
# but we don't actually want to recurse into that
1600
interesting.add(None) # this will auto-filter it in the loop
1601
remaining_parents.discard(None)
1602
while remaining_parents:
1603
next_parents = set()
1604
for entry in self._getitems(remaining_parents):
1605
next_parents.add(entry.parent_id)
1606
children_of_parent_id.setdefault(entry.parent_id, []
1607
).append(entry.file_id)
1608
# Remove any search tips we've already processed
1609
remaining_parents = next_parents.difference(interesting)
1610
interesting.update(remaining_parents)
1611
# We should probably also .difference(directories_to_expand)
1612
interesting.update(file_ids)
1613
interesting.discard(None)
1614
while directories_to_expand:
1615
# Expand directories by looking in the
1616
# parent_id_basename_to_file_id map
1617
keys = [StaticTuple(f,).intern() for f in directories_to_expand]
1618
directories_to_expand = set()
1619
items = self.parent_id_basename_to_file_id.iteritems(keys)
1620
next_file_ids = set([item[1] for item in items])
1621
next_file_ids = next_file_ids.difference(interesting)
1622
interesting.update(next_file_ids)
1623
for entry in self._getitems(next_file_ids):
1624
if entry.kind == 'directory':
1625
directories_to_expand.add(entry.file_id)
1626
children_of_parent_id.setdefault(entry.parent_id, []
1627
).append(entry.file_id)
1628
return interesting, children_of_parent_id
1630
def filter(self, specific_fileids):
1631
"""Get an inventory view filtered against a set of file-ids.
1633
Children of directories and parents are included.
1635
The result may or may not reference the underlying inventory
1636
so it should be treated as immutable.
1639
parent_to_children) = self._expand_fileids_to_parents_and_children(
1641
# There is some overlap here, but we assume that all interesting items
1642
# are in the _fileid_to_entry_cache because we had to read them to
1643
# determine if they were a dir we wanted to recurse, or just a file
1644
# This should give us all the entries we'll want to add, so start
1646
other = Inventory(self.root_id)
1647
other.root.revision = self.root.revision
1648
other.revision_id = self.revision_id
1649
if not interesting or not parent_to_children:
1650
# empty filter, or filtering entrys that don't exist
1651
# (if even 1 existed, then we would have populated
1652
# parent_to_children with at least the tree root.)
1654
cache = self._fileid_to_entry_cache
1656
remaining_children = collections.deque(parent_to_children[self.root_id])
1658
import pdb; pdb.set_trace()
1660
while remaining_children:
1661
file_id = remaining_children.popleft()
1663
if ie.kind == 'directory':
1664
ie = ie.copy() # We create a copy to depopulate the .children attribute
1665
# TODO: depending on the uses of 'other' we should probably alwyas
1666
# '.copy()' to prevent someone from mutating other and
1667
# invaliding our internal cache
1669
if file_id in parent_to_children:
1670
remaining_children.extend(parent_to_children[file_id])
1674
def _bytes_to_utf8name_key(bytes):
1675
"""Get the file_id, revision_id key out of bytes."""
1676
# We don't normally care about name, except for times when we want
1677
# to filter out empty names because of non rich-root...
1678
sections = bytes.split('\n')
1679
kind, file_id = sections[0].split(': ')
1680
return (sections[2], file_id, sections[3])
1682
def _bytes_to_entry(self, bytes):
1683
"""Deserialise a serialised entry."""
1684
sections = bytes.split('\n')
1685
if sections[0].startswith("file: "):
1686
result = InventoryFile(sections[0][6:],
1687
sections[2].decode('utf8'),
1689
result.text_sha1 = sections[4]
1690
result.text_size = int(sections[5])
1691
result.executable = sections[6] == "Y"
1692
elif sections[0].startswith("dir: "):
1693
result = CHKInventoryDirectory(sections[0][5:],
1694
sections[2].decode('utf8'),
1696
elif sections[0].startswith("symlink: "):
1697
result = InventoryLink(sections[0][9:],
1698
sections[2].decode('utf8'),
1700
result.symlink_target = sections[4].decode('utf8')
1701
elif sections[0].startswith("tree: "):
1702
result = TreeReference(sections[0][6:],
1703
sections[2].decode('utf8'),
1705
result.reference_revision = sections[4]
1707
raise ValueError("Not a serialised entry %r" % bytes)
1708
result.revision = sections[3]
1709
if result.parent_id == '':
1710
result.parent_id = None
1711
self._fileid_to_entry_cache[result.file_id] = result
1714
def _get_mutable_inventory(self):
1715
"""See CommonInventory._get_mutable_inventory."""
1716
entries = self.iter_entries()
1717
inv = Inventory(None, self.revision_id)
1718
for path, inv_entry in entries:
1719
inv.add(inv_entry.copy())
1722
def create_by_apply_delta(self, inventory_delta, new_revision_id,
1723
propagate_caches=False):
1724
"""Create a new CHKInventory by applying inventory_delta to this one.
1726
See the inventory developers documentation for the theory behind
1729
:param inventory_delta: The inventory delta to apply. See
1730
Inventory.apply_delta for details.
1731
:param new_revision_id: The revision id of the resulting CHKInventory.
1732
:param propagate_caches: If True, the caches for this inventory are
1733
copied to and updated for the result.
1734
:return: The new CHKInventory.
1736
split = osutils.split
1737
result = CHKInventory(self._search_key_name)
1738
if propagate_caches:
1739
# Just propagate the path-to-fileid cache for now
1740
result._path_to_fileid_cache = dict(self._path_to_fileid_cache.iteritems())
1741
search_key_func = chk_map.search_key_registry.get(self._search_key_name)
1742
self.id_to_entry._ensure_root()
1743
maximum_size = self.id_to_entry._root_node.maximum_size
1744
result.revision_id = new_revision_id
1745
result.id_to_entry = chk_map.CHKMap(
1746
self.id_to_entry._store,
1747
self.id_to_entry.key(),
1748
search_key_func=search_key_func)
1749
result.id_to_entry._ensure_root()
1750
result.id_to_entry._root_node.set_maximum_size(maximum_size)
1751
# Change to apply to the parent_id_basename delta. The dict maps
1752
# (parent_id, basename) -> (old_key, new_value). We use a dict because
1753
# when a path has its id replaced (e.g. the root is changed, or someone
1754
# does bzr mv a b, bzr mv c a, we should output a single change to this
1755
# map rather than two.
1756
parent_id_basename_delta = {}
1757
if self.parent_id_basename_to_file_id is not None:
1758
result.parent_id_basename_to_file_id = chk_map.CHKMap(
1759
self.parent_id_basename_to_file_id._store,
1760
self.parent_id_basename_to_file_id.key(),
1761
search_key_func=search_key_func)
1762
result.parent_id_basename_to_file_id._ensure_root()
1763
self.parent_id_basename_to_file_id._ensure_root()
1764
result_p_id_root = result.parent_id_basename_to_file_id._root_node
1765
p_id_root = self.parent_id_basename_to_file_id._root_node
1766
result_p_id_root.set_maximum_size(p_id_root.maximum_size)
1767
result_p_id_root._key_width = p_id_root._key_width
1769
result.parent_id_basename_to_file_id = None
1770
result.root_id = self.root_id
1771
id_to_entry_delta = []
1772
# inventory_delta is only traversed once, so we just update the
1774
# Check for repeated file ids
1775
inventory_delta = _check_delta_unique_ids(inventory_delta)
1776
# Repeated old paths
1777
inventory_delta = _check_delta_unique_old_paths(inventory_delta)
1778
# Check for repeated new paths
1779
inventory_delta = _check_delta_unique_new_paths(inventory_delta)
1780
# Check for entries that don't match the fileid
1781
inventory_delta = _check_delta_ids_match_entry(inventory_delta)
1782
# Check for nonsense fileids
1783
inventory_delta = _check_delta_ids_are_valid(inventory_delta)
1784
# Check for new_path <-> entry consistency
1785
inventory_delta = _check_delta_new_path_entry_both_or_None(
1787
# All changed entries need to have their parents be directories and be
1788
# at the right path. This set contains (path, id) tuples.
1790
# When we delete an item, all the children of it must be either deleted
1791
# or altered in their own right. As we batch process the change via
1792
# CHKMap.apply_delta, we build a set of things to use to validate the
1796
for old_path, new_path, file_id, entry in inventory_delta:
1799
result.root_id = file_id
1800
if new_path is None:
1805
if propagate_caches:
1807
del result._path_to_fileid_cache[old_path]
1810
deletes.add(file_id)
1812
new_key = StaticTuple(file_id,)
1813
new_value = result._entry_to_bytes(entry)
1814
# Update caches. It's worth doing this whether
1815
# we're propagating the old caches or not.
1816
result._path_to_fileid_cache[new_path] = file_id
1817
parents.add((split(new_path)[0], entry.parent_id))
1818
if old_path is None:
1821
old_key = StaticTuple(file_id,)
1822
if self.id2path(file_id) != old_path:
1823
raise errors.InconsistentDelta(old_path, file_id,
1824
"Entry was at wrong other path %r." %
1825
self.id2path(file_id))
1826
altered.add(file_id)
1827
id_to_entry_delta.append(StaticTuple(old_key, new_key, new_value))
1828
if result.parent_id_basename_to_file_id is not None:
1829
# parent_id, basename changes
1830
if old_path is None:
1833
old_entry = self[file_id]
1834
old_key = self._parent_id_basename_key(old_entry)
1835
if new_path is None:
1839
new_key = self._parent_id_basename_key(entry)
1841
# If the two keys are the same, the value will be unchanged
1842
# as its always the file id for this entry.
1843
if old_key != new_key:
1844
# Transform a change into explicit delete/add preserving
1845
# a possible match on the key from a different file id.
1846
if old_key is not None:
1847
parent_id_basename_delta.setdefault(
1848
old_key, [None, None])[0] = old_key
1849
if new_key is not None:
1850
parent_id_basename_delta.setdefault(
1851
new_key, [None, None])[1] = new_value
1852
# validate that deletes are complete.
1853
for file_id in deletes:
1854
entry = self[file_id]
1855
if entry.kind != 'directory':
1857
# This loop could potentially be better by using the id_basename
1858
# map to just get the child file ids.
1859
for child in entry.children.values():
1860
if child.file_id not in altered:
1861
raise errors.InconsistentDelta(self.id2path(child.file_id),
1862
child.file_id, "Child not deleted or reparented when "
1864
result.id_to_entry.apply_delta(id_to_entry_delta)
1865
if parent_id_basename_delta:
1866
# Transform the parent_id_basename delta data into a linear delta
1867
# with only one record for a given key. Optimally this would allow
1868
# re-keying, but its simpler to just output that as a delete+add
1869
# to spend less time calculating the delta.
1871
for key, (old_key, value) in parent_id_basename_delta.iteritems():
1872
if value is not None:
1873
delta_list.append((old_key, key, value))
1875
delta_list.append((old_key, None, None))
1876
result.parent_id_basename_to_file_id.apply_delta(delta_list)
1877
parents.discard(('', None))
1878
for parent_path, parent in parents:
1880
if result[parent].kind != 'directory':
1881
raise errors.InconsistentDelta(result.id2path(parent), parent,
1882
'Not a directory, but given children')
1883
except errors.NoSuchId:
1884
raise errors.InconsistentDelta("<unknown>", parent,
1885
"Parent is not present in resulting inventory.")
1886
if result.path2id(parent_path) != parent:
1887
raise errors.InconsistentDelta(parent_path, parent,
1888
"Parent has wrong path %r." % result.path2id(parent_path))
1892
def deserialise(klass, chk_store, bytes, expected_revision_id):
1893
"""Deserialise a CHKInventory.
1895
:param chk_store: A CHK capable VersionedFiles instance.
1896
:param bytes: The serialised bytes.
1897
:param expected_revision_id: The revision ID we think this inventory is
1899
:return: A CHKInventory
1901
lines = bytes.split('\n')
1903
raise AssertionError('bytes to deserialize must end with an eol')
1905
if lines[0] != 'chkinventory:':
1906
raise ValueError("not a serialised CHKInventory: %r" % bytes)
1908
allowed_keys = frozenset(['root_id', 'revision_id', 'search_key_name',
1909
'parent_id_basename_to_file_id',
1911
for line in lines[1:]:
1912
key, value = line.split(': ', 1)
1913
if key not in allowed_keys:
1914
raise errors.BzrError('Unknown key in inventory: %r\n%r'
1917
raise errors.BzrError('Duplicate key in inventory: %r\n%r'
1920
revision_id = intern(info['revision_id'])
1921
root_id = intern(info['root_id'])
1922
search_key_name = intern(info.get('search_key_name', 'plain'))
1923
parent_id_basename_to_file_id = intern(info.get(
1924
'parent_id_basename_to_file_id', None))
1925
if not parent_id_basename_to_file_id.startswith('sha1:'):
1926
raise ValueError('parent_id_basename_to_file_id should be a sha1'
1927
' key not %r' % (parent_id_basename_to_file_id,))
1928
id_to_entry = info['id_to_entry']
1929
if not id_to_entry.startswith('sha1:'):
1930
raise ValueError('id_to_entry should be a sha1'
1931
' key not %r' % (id_to_entry,))
1933
result = CHKInventory(search_key_name)
1934
result.revision_id = revision_id
1935
result.root_id = root_id
1936
search_key_func = chk_map.search_key_registry.get(
1937
result._search_key_name)
1938
if parent_id_basename_to_file_id is not None:
1939
result.parent_id_basename_to_file_id = chk_map.CHKMap(
1940
chk_store, StaticTuple(parent_id_basename_to_file_id,),
1941
search_key_func=search_key_func)
1943
result.parent_id_basename_to_file_id = None
1945
result.id_to_entry = chk_map.CHKMap(chk_store,
1946
StaticTuple(id_to_entry,),
1947
search_key_func=search_key_func)
1948
if (result.revision_id,) != expected_revision_id:
1949
raise ValueError("Mismatched revision id and expected: %r, %r" %
1950
(result.revision_id, expected_revision_id))
1954
def from_inventory(klass, chk_store, inventory, maximum_size=0, search_key_name='plain'):
1955
"""Create a CHKInventory from an existing inventory.
1957
The content of inventory is copied into the chk_store, and a
1958
CHKInventory referencing that is returned.
1960
:param chk_store: A CHK capable VersionedFiles instance.
1961
:param inventory: The inventory to copy.
1962
:param maximum_size: The CHKMap node size limit.
1963
:param search_key_name: The identifier for the search key function
1965
result = klass(search_key_name)
1966
result.revision_id = inventory.revision_id
1967
result.root_id = inventory.root.file_id
1969
entry_to_bytes = result._entry_to_bytes
1970
parent_id_basename_key = result._parent_id_basename_key
1971
id_to_entry_dict = {}
1972
parent_id_basename_dict = {}
1973
for path, entry in inventory.iter_entries():
1974
key = StaticTuple(entry.file_id,).intern()
1975
id_to_entry_dict[key] = entry_to_bytes(entry)
1976
p_id_key = parent_id_basename_key(entry)
1977
parent_id_basename_dict[p_id_key] = entry.file_id
1979
result._populate_from_dicts(chk_store, id_to_entry_dict,
1980
parent_id_basename_dict, maximum_size=maximum_size)
1983
def _populate_from_dicts(self, chk_store, id_to_entry_dict,
1984
parent_id_basename_dict, maximum_size):
1985
search_key_func = chk_map.search_key_registry.get(self._search_key_name)
1986
root_key = chk_map.CHKMap.from_dict(chk_store, id_to_entry_dict,
1987
maximum_size=maximum_size, key_width=1,
1988
search_key_func=search_key_func)
1989
self.id_to_entry = chk_map.CHKMap(chk_store, root_key,
1991
root_key = chk_map.CHKMap.from_dict(chk_store,
1992
parent_id_basename_dict,
1993
maximum_size=maximum_size, key_width=2,
1994
search_key_func=search_key_func)
1995
self.parent_id_basename_to_file_id = chk_map.CHKMap(chk_store,
1996
root_key, search_key_func)
1998
def _parent_id_basename_key(self, entry):
1999
"""Create a key for a entry in a parent_id_basename_to_file_id index."""
2000
if entry.parent_id is not None:
2001
parent_id = entry.parent_id
2004
return StaticTuple(parent_id, entry.name.encode('utf8')).intern()
2006
def __getitem__(self, file_id):
2007
"""map a single file_id -> InventoryEntry."""
2009
raise errors.NoSuchId(self, file_id)
2010
result = self._fileid_to_entry_cache.get(file_id, None)
2011
if result is not None:
2014
return self._bytes_to_entry(
2015
self.id_to_entry.iteritems([StaticTuple(file_id,)]).next()[1])
2016
except StopIteration:
2017
# really we're passing an inventory, not a tree...
2018
raise errors.NoSuchId(self, file_id)
2020
def _getitems(self, file_ids):
2021
"""Similar to __getitem__, but lets you query for multiple.
2023
The returned order is undefined. And currently if an item doesn't
2024
exist, it isn't included in the output.
2028
for file_id in file_ids:
2029
entry = self._fileid_to_entry_cache.get(file_id, None)
2031
remaining.append(file_id)
2033
result.append(entry)
2034
file_keys = [StaticTuple(f,).intern() for f in remaining]
2035
for file_key, value in self.id_to_entry.iteritems(file_keys):
2036
entry = self._bytes_to_entry(value)
2037
result.append(entry)
2038
self._fileid_to_entry_cache[entry.file_id] = entry
2041
def has_id(self, file_id):
2042
# Perhaps have an explicit 'contains' method on CHKMap ?
2043
if self._fileid_to_entry_cache.get(file_id, None) is not None:
2046
self.id_to_entry.iteritems([StaticTuple(file_id,)]))) == 1
2048
def is_root(self, file_id):
2049
return file_id == self.root_id
2051
def _iter_file_id_parents(self, file_id):
2052
"""Yield the parents of file_id up to the root."""
2053
while file_id is not None:
2057
raise errors.NoSuchId(tree=self, file_id=file_id)
2059
file_id = ie.parent_id
2062
"""Iterate over all file-ids."""
2063
for key, _ in self.id_to_entry.iteritems():
2066
def iter_just_entries(self):
2067
"""Iterate over all entries.
2069
Unlike iter_entries(), just the entries are returned (not (path, ie))
2070
and the order of entries is undefined.
2072
XXX: We may not want to merge this into bzr.dev.
2074
for key, entry in self.id_to_entry.iteritems():
2076
ie = self._fileid_to_entry_cache.get(file_id, None)
2078
ie = self._bytes_to_entry(entry)
2079
self._fileid_to_entry_cache[file_id] = ie
2082
def iter_changes(self, basis):
2083
"""Generate a Tree.iter_changes change list between this and basis.
2085
:param basis: Another CHKInventory.
2086
:return: An iterator over the changes between self and basis, as per
2087
tree.iter_changes().
2089
# We want: (file_id, (path_in_source, path_in_target),
2090
# changed_content, versioned, parent, name, kind,
2092
for key, basis_value, self_value in \
2093
self.id_to_entry.iter_changes(basis.id_to_entry):
2095
if basis_value is not None:
2096
basis_entry = basis._bytes_to_entry(basis_value)
2097
path_in_source = basis.id2path(file_id)
2098
basis_parent = basis_entry.parent_id
2099
basis_name = basis_entry.name
2100
basis_executable = basis_entry.executable
2102
path_in_source = None
2105
basis_executable = None
2106
if self_value is not None:
2107
self_entry = self._bytes_to_entry(self_value)
2108
path_in_target = self.id2path(file_id)
2109
self_parent = self_entry.parent_id
2110
self_name = self_entry.name
2111
self_executable = self_entry.executable
2113
path_in_target = None
2116
self_executable = None
2117
if basis_value is None:
2119
kind = (None, self_entry.kind)
2120
versioned = (False, True)
2121
elif self_value is None:
2123
kind = (basis_entry.kind, None)
2124
versioned = (True, False)
2126
kind = (basis_entry.kind, self_entry.kind)
2127
versioned = (True, True)
2128
changed_content = False
2129
if kind[0] != kind[1]:
2130
changed_content = True
2131
elif kind[0] == 'file':
2132
if (self_entry.text_size != basis_entry.text_size or
2133
self_entry.text_sha1 != basis_entry.text_sha1):
2134
changed_content = True
2135
elif kind[0] == 'symlink':
2136
if self_entry.symlink_target != basis_entry.symlink_target:
2137
changed_content = True
2138
elif kind[0] == 'tree-reference':
2139
if (self_entry.reference_revision !=
2140
basis_entry.reference_revision):
2141
changed_content = True
2142
parent = (basis_parent, self_parent)
2143
name = (basis_name, self_name)
2144
executable = (basis_executable, self_executable)
2145
if (not changed_content
2146
and parent[0] == parent[1]
2147
and name[0] == name[1]
2148
and executable[0] == executable[1]):
2149
# Could happen when only the revision changed for a directory
2152
yield (file_id, (path_in_source, path_in_target), changed_content,
2153
versioned, parent, name, kind, executable)
2156
"""Return the number of entries in the inventory."""
2157
return len(self.id_to_entry)
2159
def _make_delta(self, old):
2160
"""Make an inventory delta from two inventories."""
2161
if type(old) != CHKInventory:
2162
return CommonInventory._make_delta(self, old)
2164
for key, old_value, self_value in \
2165
self.id_to_entry.iter_changes(old.id_to_entry):
2167
if old_value is not None:
2168
old_path = old.id2path(file_id)
2171
if self_value is not None:
2172
entry = self._bytes_to_entry(self_value)
2173
self._fileid_to_entry_cache[file_id] = entry
2174
new_path = self.id2path(file_id)
2178
delta.append((old_path, new_path, file_id, entry))
2181
def path2id(self, relpath):
2182
"""See CommonInventory.path2id()."""
2183
# TODO: perhaps support negative hits?
2184
result = self._path_to_fileid_cache.get(relpath, None)
2185
if result is not None:
2187
if isinstance(relpath, basestring):
2188
names = osutils.splitpath(relpath)
2191
current_id = self.root_id
2192
if current_id is None:
2194
parent_id_index = self.parent_id_basename_to_file_id
2196
for basename in names:
2197
if cur_path is None:
2200
cur_path = cur_path + '/' + basename
2201
basename_utf8 = basename.encode('utf8')
2202
file_id = self._path_to_fileid_cache.get(cur_path, None)
2204
key_filter = [StaticTuple(current_id, basename_utf8)]
2205
items = parent_id_index.iteritems(key_filter)
2206
for (parent_id, name_utf8), file_id in items:
2207
if parent_id != current_id or name_utf8 != basename_utf8:
2208
raise errors.BzrError("corrupt inventory lookup! "
2209
"%r %r %r %r" % (parent_id, current_id, name_utf8,
2214
self._path_to_fileid_cache[cur_path] = file_id
2215
current_id = file_id
2219
"""Serialise the inventory to lines."""
2220
lines = ["chkinventory:\n"]
2221
if self._search_key_name != 'plain':
2222
# custom ordering grouping things that don't change together
2223
lines.append('search_key_name: %s\n' % (self._search_key_name,))
2224
lines.append("root_id: %s\n" % self.root_id)
2225
lines.append('parent_id_basename_to_file_id: %s\n' %
2226
(self.parent_id_basename_to_file_id.key()[0],))
2227
lines.append("revision_id: %s\n" % self.revision_id)
2228
lines.append("id_to_entry: %s\n" % (self.id_to_entry.key()[0],))
2230
lines.append("revision_id: %s\n" % self.revision_id)
2231
lines.append("root_id: %s\n" % self.root_id)
2232
if self.parent_id_basename_to_file_id is not None:
2233
lines.append('parent_id_basename_to_file_id: %s\n' %
2234
(self.parent_id_basename_to_file_id.key()[0],))
2235
lines.append("id_to_entry: %s\n" % (self.id_to_entry.key()[0],))
2240
"""Get the root entry."""
2241
return self[self.root_id]
2244
class CHKInventoryDirectory(InventoryDirectory):
2245
"""A directory in an inventory."""
2247
__slots__ = ['text_sha1', 'text_size', 'file_id', 'name', 'kind',
2248
'text_id', 'parent_id', '_children', 'executable',
2249
'revision', 'symlink_target', 'reference_revision',
2252
def __init__(self, file_id, name, parent_id, chk_inventory):
2253
# Don't call InventoryDirectory.__init__ - it isn't right for this
2255
InventoryEntry.__init__(self, file_id, name, parent_id)
2256
self._children = None
2257
self.kind = 'directory'
2258
self._chk_inventory = chk_inventory
2262
"""Access the list of children of this directory.
2264
With a parent_id_basename_to_file_id index, loads all the children,
2265
without loads the entire index. Without is bad. A more sophisticated
2266
proxy object might be nice, to allow partial loading of children as
2267
well when specific names are accessed. (So path traversal can be
2268
written in the obvious way but not examine siblings.).
2270
if self._children is not None:
2271
return self._children
2272
# No longer supported
2273
if self._chk_inventory.parent_id_basename_to_file_id is None:
2274
raise AssertionError("Inventories without"
2275
" parent_id_basename_to_file_id are no longer supported")
2277
# XXX: Todo - use proxy objects for the children rather than loading
2278
# all when the attribute is referenced.
2279
parent_id_index = self._chk_inventory.parent_id_basename_to_file_id
2281
for (parent_id, name_utf8), file_id in parent_id_index.iteritems(
2282
key_filter=[StaticTuple(self.file_id,)]):
2283
child_keys.add(StaticTuple(file_id,))
2285
for file_id_key in child_keys:
2286
entry = self._chk_inventory._fileid_to_entry_cache.get(
2287
file_id_key[0], None)
2288
if entry is not None:
2289
result[entry.name] = entry
2290
cached.add(file_id_key)
2291
child_keys.difference_update(cached)
2292
# populate; todo: do by name
2293
id_to_entry = self._chk_inventory.id_to_entry
2294
for file_id_key, bytes in id_to_entry.iteritems(child_keys):
2295
entry = self._chk_inventory._bytes_to_entry(bytes)
2296
result[entry.name] = entry
2297
self._chk_inventory._fileid_to_entry_cache[file_id_key[0]] = entry
2298
self._children = result
2302
'directory': InventoryDirectory,
2303
'file': InventoryFile,
2304
'symlink': InventoryLink,
2305
'tree-reference': TreeReference
2308
def make_entry(kind, name, parent_id, file_id=None):
2309
"""Create an inventory entry.
2311
:param kind: the type of inventory entry to create.
2312
:param name: the basename of the entry.
2313
:param parent_id: the parent_id of the entry.
2314
:param file_id: the file_id to use. if None, one will be created.
2317
file_id = generate_ids.gen_file_id(name)
2318
name = ensure_normalized_name(name)
2320
factory = entry_factory[kind]
2322
raise errors.BadFileKindError(name, kind)
2323
return factory(file_id, name, parent_id)
2326
def ensure_normalized_name(name):
2329
:raises InvalidNormalization: When name is not normalized, and cannot be
2330
accessed on this platform by the normalized path.
2331
:return: The NFC normalised version of name.
2333
#------- This has been copied to bzrlib.dirstate.DirState.add, please
2334
# keep them synchronised.
2335
# we dont import normalized_filename directly because we want to be
2336
# able to change the implementation at runtime for tests.
2337
norm_name, can_access = osutils.normalized_filename(name)
2338
if norm_name != name:
2342
# TODO: jam 20060701 This would probably be more useful
2343
# if the error was raised with the full path
2344
raise errors.InvalidNormalization(name)
2350
def is_valid_name(name):
2352
if _NAME_RE is None:
2353
_NAME_RE = re.compile(r'^[^/\\]+$')
2355
return bool(_NAME_RE.match(name))
2358
def _check_delta_unique_ids(delta):
2359
"""Decorate a delta and check that the file ids in it are unique.
2361
:return: A generator over delta.
2365
length = len(ids) + 1
2367
if len(ids) != length:
2368
raise errors.InconsistentDelta(item[0] or item[1], item[2],
2373
def _check_delta_unique_new_paths(delta):
2374
"""Decorate a delta and check that the new paths in it are unique.
2376
:return: A generator over delta.
2380
length = len(paths) + 1
2382
if path is not None:
2384
if len(paths) != length:
2385
raise errors.InconsistentDelta(path, item[2], "repeated path")
2389
def _check_delta_unique_old_paths(delta):
2390
"""Decorate a delta and check that the old paths in it are unique.
2392
:return: A generator over delta.
2396
length = len(paths) + 1
2398
if path is not None:
2400
if len(paths) != length:
2401
raise errors.InconsistentDelta(path, item[2], "repeated path")
2405
def _check_delta_ids_are_valid(delta):
2406
"""Decorate a delta and check that the ids in it are valid.
2408
:return: A generator over delta.
2413
raise errors.InconsistentDelta(item[0] or item[1], item[2],
2414
"entry with file_id None %r" % entry)
2415
if type(item[2]) != str:
2416
raise errors.InconsistentDelta(item[0] or item[1], item[2],
2417
"entry with non bytes file_id %r" % entry)
2421
def _check_delta_ids_match_entry(delta):
2422
"""Decorate a delta and check that the ids in it match the entry.file_id.
2424
:return: A generator over delta.
2428
if entry is not None:
2429
if entry.file_id != item[2]:
2430
raise errors.InconsistentDelta(item[0] or item[1], item[2],
2431
"mismatched id with %r" % entry)
2435
def _check_delta_new_path_entry_both_or_None(delta):
2436
"""Decorate a delta and check that the new_path and entry are paired.
2438
:return: A generator over delta.
2443
if new_path is None and entry is not None:
2444
raise errors.InconsistentDelta(item[0], item[1],
2445
"Entry with no new_path")
2446
if new_path is not None and entry is None:
2447
raise errors.InconsistentDelta(new_path, item[1],
2448
"new_path with no entry")
added
removed
bzrlib/inventory.py
