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# Copyright (C) 2005, 2006 Canonical Ltd
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# Copyright (C) 2005-2010 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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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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from bzrlib.xml_serializer import ElementTree, SubElement, Element, Serializer
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from bzrlib.inventory import ROOT_ID, Inventory, InventoryEntry
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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from __future__ import absolute_import
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from bzrlib.xml_serializer import (
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from bzrlib.inventory import ROOT_ID, Inventory
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import bzrlib.inventory as inventory
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from bzrlib.revision import Revision
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from bzrlib.revision import Revision
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from bzrlib.errors import BzrError
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class _Serializer_v4(Serializer):
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class _Serializer_v4(XMLSerializer):
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"""Version 0.0.4 serializer
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You should use the serializer_v4 singleton."""
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You should use the serializer_v4 singleton.
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v4 serialisation is no longer supported, only deserialisation.
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def _pack_inventory(self, inv):
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"""Convert to XML Element"""
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# v4 serialization is not used any more.
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raise NotImplementedError(self._pack_inventory)
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e = Element('inventory')
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if inv.root.file_id not in (None, ROOT_ID):
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e.set('file_id', inv.root.file_id)
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for path, ie in inv.iter_entries():
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e.append(self._pack_entry(ie))
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def _pack_entry(self, ie):
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"""Convert InventoryEntry to XML element"""
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# for now, leaving them as null in the xml form. in a future
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# version it will be implied by nested elements.
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if ie.parent_id != ROOT_ID:
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assert isinstance(ie.parent_id, basestring)
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e.set('parent_id', ie.parent_id)
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def _unpack_inventory(self, elt):
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def _unpack_inventory(self, elt, revision_id=None, entry_cache=None,
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return_from_cache=False):
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"""Construct from XML Element
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:param revision_id: Ignored parameter used by xml5.
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assert elt.tag == 'inventory'
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root_id = elt.get('file_id') or ROOT_ID
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inv = Inventory(root_id)
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ie = self._unpack_entry(e)
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ie = self._unpack_entry(e, entry_cache=entry_cache,
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return_from_cache=return_from_cache)
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if ie.parent_id == ROOT_ID:
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ie.parent_id = root_id
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def _unpack_entry(self, elt):
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assert elt.tag == 'entry'
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def _unpack_entry(self, elt, entry_cache=None, return_from_cache=False):
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## original format inventories don't have a parent_id for
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## nodes in the root directory, but it's cleaner to use one
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for i, parent_id in enumerate(rev.parents):
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p = SubElement(pelts, 'revision_ref')
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p.set('revision_id', parent_id)
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if i < len(rev.parent_sha1s):
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p.set('revision_sha1', rev.parent_sha1s[i])
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def _unpack_revision(self, elt):
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"""XML Element -> Revision object"""
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# <changeset> is deprecated...
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if elt.tag not in ('revision', 'changeset'):
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raise BzrError("unexpected tag in revision file: %r" % elt)
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assert p.tag == 'revision_ref', \
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"bad parent node tag %r" % p.tag
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rev.parent_ids.append(p.get('revision_id'))
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rev.parent_sha1s.append(p.get('revision_sha1'))
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# must be consistent
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prec_parent = rev.parent_ids[0]
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assert prec_parent == precursor
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# revisions written prior to 0.0.5 have a single precursor
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# give as an attribute