1
# Copyright (C) 2005-2010 Canonical Ltd
1
3
# This program is free software; you can redistribute it and/or modify
2
4
# it under the terms of the GNU General Public License as published by
3
5
# the Free Software Foundation; either version 2 of the License, or
4
6
# (at your option) any later version.
6
8
# This program is distributed in the hope that it will be useful,
7
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
8
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
9
11
# GNU General Public License for more details.
11
13
# You should have received a copy of the GNU General Public License
12
14
# along with this program; if not, write to the Free Software
13
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16
from bzrlib.xml import ElementTree, SubElement, Element, Serializer
17
from bzrlib.inventory import ROOT_ID, Inventory, InventoryEntry
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17
from __future__ import absolute_import
19
from bzrlib.xml_serializer import (
25
from bzrlib.inventory import ROOT_ID, Inventory
18
26
import bzrlib.inventory as inventory
19
from bzrlib.revision import Revision
27
from bzrlib.revision import Revision
20
28
from bzrlib.errors import BzrError
27
class _Serializer_v4(Serializer):
31
class _Serializer_v4(XMLSerializer):
28
32
"""Version 0.0.4 serializer
30
You should use the serialzer_v4 singleton."""
34
You should use the serializer_v4 singleton.
36
v4 serialisation is no longer supported, only deserialisation.
34
def _pack_inventory(self, inv):
35
"""Convert to XML Element"""
36
e = Element('inventory')
38
if inv.root.file_id not in (None, ROOT_ID):
39
e.set('file_id', inv.root.file_id)
40
for path, ie in inv.iter_entries():
41
e.append(self._pack_entry(ie))
45
41
def _pack_entry(self, ie):
46
42
"""Convert InventoryEntry to XML element"""
49
45
e.set('file_id', ie.file_id)
50
46
e.set('kind', ie.kind)
52
if ie.text_size != None:
48
if ie.text_size is not None:
53
49
e.set('text_size', '%d' % ie.text_size)
55
51
for f in ['text_id', 'text_sha1', 'symlink_target']:
60
56
# to be conservative, we don't externalize the root pointers
61
57
# for now, leaving them as null in the xml form. in a future
62
58
# version it will be implied by nested elements.
63
59
if ie.parent_id != ROOT_ID:
64
assert isinstance(ie.parent_id, basestring)
65
60
e.set('parent_id', ie.parent_id)
72
def _unpack_inventory(self, elt):
67
def _unpack_inventory(self, elt, revision_id=None, entry_cache=None,
68
return_from_cache=False):
73
69
"""Construct from XML Element
71
:param revision_id: Ignored parameter used by xml5.
75
assert elt.tag == 'inventory'
76
73
root_id = elt.get('file_id') or ROOT_ID
77
74
inv = Inventory(root_id)
79
ie = self._unpack_entry(e)
76
ie = self._unpack_entry(e, entry_cache=entry_cache,
77
return_from_cache=return_from_cache)
80
78
if ie.parent_id == ROOT_ID:
81
79
ie.parent_id = root_id
86
def _unpack_entry(self, elt):
87
assert elt.tag == 'entry'
84
def _unpack_entry(self, elt, entry_cache=None, return_from_cache=False):
89
85
## original format inventories don't have a parent_id for
90
86
## nodes in the root directory, but it's cleaner to use one
92
88
parent_id = elt.get('parent_id')
94
90
parent_id = ROOT_ID
96
92
kind = elt.get('kind')
142
138
for i, parent_id in enumerate(rev.parents):
143
139
p = SubElement(pelts, 'revision_ref')
146
141
p.set('revision_id', parent_id)
147
142
if i < len(rev.parent_sha1s):
148
143
p.set('revision_sha1', rev.parent_sha1s[i])
152
147
def _unpack_revision(self, elt):
153
148
"""XML Element -> Revision object"""
155
150
# <changeset> is deprecated...
156
151
if elt.tag not in ('revision', 'changeset'):
157
152
raise BzrError("unexpected tag in revision file: %r" % elt)
173
assert p.tag == 'revision_ref', \
174
"bad parent node tag %r" % p.tag
175
168
rev.parent_ids.append(p.get('revision_id'))
176
169
rev.parent_sha1s.append(p.get('revision_sha1'))
178
171
# must be consistent
179
172
prec_parent = rev.parent_ids[0]
180
assert prec_parent == precursor
182
174
# revisions written prior to 0.0.5 have a single precursor
183
175
# give as an attribute