1
# Copyright (C) 2005, 2006 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
12
14
# along with this program; if not, write to the Free Software
13
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16
17
from bzrlib.xml_serializer import ElementTree, SubElement, Element, Serializer
17
18
from bzrlib.inventory import ROOT_ID, Inventory, InventoryEntry
18
19
import bzrlib.inventory as inventory
19
from bzrlib.revision import Revision
20
from bzrlib.revision import Revision
20
21
from bzrlib.errors import BzrError
27
24
class _Serializer_v4(Serializer):
28
25
"""Version 0.0.4 serializer
30
You should use the serializer_v4 singleton."""
27
You should use the serializer_v4 singleton.
29
v4 serialisation is no longer supported, only deserialisation.
34
def _pack_inventory(self, inv):
35
"""Convert to XML Element"""
36
# v4 serialization is not used any more.
37
raise NotImplementedError(self._pack_inventory)
38
e = Element('inventory')
40
if inv.root.file_id not in (None, ROOT_ID):
41
e.set('file_id', inv.root.file_id)
42
for path, ie in inv.iter_entries():
43
e.append(self._pack_entry(ie))
47
34
def _pack_entry(self, ie):
48
35
"""Convert InventoryEntry to XML element"""
49
36
e = Element('entry')
63
50
# for now, leaving them as null in the xml form. in a future
64
51
# version it will be implied by nested elements.
65
52
if ie.parent_id != ROOT_ID:
66
assert isinstance(ie.parent_id, basestring)
67
53
e.set('parent_id', ie.parent_id)
74
def _unpack_inventory(self, elt):
60
def _unpack_inventory(self, elt, revision_id=None):
75
61
"""Construct from XML Element
63
:param revision_id: Ignored parameter used by xml5.
77
assert elt.tag == 'inventory'
78
65
root_id = elt.get('file_id') or ROOT_ID
79
66
inv = Inventory(root_id)
88
75
def _unpack_entry(self, elt):
89
assert elt.tag == 'entry'
91
76
## original format inventories don't have a parent_id for
92
77
## nodes in the root directory, but it's cleaner to use one
144
129
for i, parent_id in enumerate(rev.parents):
145
130
p = SubElement(pelts, 'revision_ref')
148
132
p.set('revision_id', parent_id)
149
133
if i < len(rev.parent_sha1s):
150
134
p.set('revision_sha1', rev.parent_sha1s[i])
175
assert p.tag == 'revision_ref', \
176
"bad parent node tag %r" % p.tag
177
159
rev.parent_ids.append(p.get('revision_id'))
178
160
rev.parent_sha1s.append(p.get('revision_sha1'))
180
162
# must be consistent
181
163
prec_parent = rev.parent_ids[0]
182
assert prec_parent == precursor
184
165
# revisions written prior to 0.0.5 have a single precursor
185
166
# give as an attribute