1
# Copyright (C) 2005, 2006, 2007, 2008 Canonical Ltd
3
# This program is free software; you can redistribute it and/or modify
4
# it under the terms of the GNU General Public License as published by
5
# the Free Software Foundation; either version 2 of the License, or
6
# (at your option) any later version.
8
# This program is distributed in the hope that it will be useful,
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11
# GNU General Public License for more details.
13
# You should have received a copy of the GNU General Public License
14
# along with this program; if not, write to the Free Software
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25
class Serializer_v5(xml6.Serializer_v6):
26
"""Version 5 serializer
28
Packs objects into XML and vice versa.
31
root_id = inventory.ROOT_ID
33
def _unpack_inventory(self, elt, revision_id, entry_cache=None,
34
return_from_cache=False):
35
"""Construct from XML Element
37
root_id = elt.get('file_id') or inventory.ROOT_ID
38
root_id = xml8._get_utf8_or_ascii(root_id)
40
format = elt.get('format')
41
if format is not None:
43
raise errors.BzrError("invalid format version %r on inventory"
45
data_revision_id = elt.get('revision_id')
46
if data_revision_id is not None:
47
revision_id = cache_utf8.encode(data_revision_id)
48
inv = inventory.Inventory(root_id, revision_id=revision_id)
49
# Optimizations tested
50
# baseline w/entry cache 2.85s
51
# using inv._byid 2.55s
52
# avoiding attributes 2.46s
53
# adding assertions 2.50s
54
# last_parent cache 2.52s (worse, removed)
55
unpack_entry = self._unpack_entry
58
ie = unpack_entry(e, entry_cache=entry_cache,
59
return_from_cache=return_from_cache)
60
parent_id = ie.parent_id
62
ie.parent_id = parent_id = root_id
64
parent = byid[parent_id]
66
raise errors.BzrError("parent_id {%s} not in inventory"
68
if ie.file_id in byid:
69
raise errors.DuplicateFileId(ie.file_id,
71
if ie.name in parent.children:
72
raise errors.BzrError("%s is already versioned"
73
% (osutils.pathjoin(inv.id2path(parent_id),
74
ie.name).encode('utf-8'),))
75
parent.children[ie.name] = ie
77
if revision_id is not None:
78
inv.root.revision = revision_id
79
self._check_cache_size(len(inv), entry_cache)
82
def _check_revisions(self, inv):
83
"""Extension point for subclasses to check during serialisation.
85
In this version, no checking is done.
87
:param inv: An inventory about to be serialised, to be checked.
88
:raises: AssertionError if an error has occurred.
91
def _append_inventory_root(self, append, inv):
92
"""Append the inventory root to output."""
93
if inv.root.file_id not in (None, inventory.ROOT_ID):
94
fileid1 = ' file_id="'
95
fileid2 = xml8._encode_and_escape(inv.root.file_id)
99
if inv.revision_id is not None:
100
revid1 = ' revision_id="'
101
revid2 = xml8._encode_and_escape(inv.revision_id)
105
append('<inventory%s%s format="5"%s%s>\n' % (
106
fileid1, fileid2, revid1, revid2))
109
serializer_v5 = Serializer_v5()