66
54
# TODO: add a 'validate_utf8' for things like revision_id and file_id
67
55
# and a validator for parent-ids
68
_schema = {b'format': (None, int, _is_format_10),
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b'committer': ('committer', bytes, cache_utf8.decode),
70
b'timezone': ('timezone', int, None),
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b'timestamp': ('timestamp', bytes, float),
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b'revision-id': ('revision_id', bytes, None),
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b'parent-ids': ('parent_ids', list, None),
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b'inventory-sha1': ('inventory_sha1', bytes, None),
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b'message': ('message', bytes, cache_utf8.decode),
76
b'properties': ('properties', dict, _validate_properties),
56
_schema = {'format': (None, int, _is_format_10),
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'committer': ('committer', str, cache_utf8.decode),
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'timezone': ('timezone', int, None),
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'timestamp': ('timestamp', str, float),
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'revision-id': ('revision_id', str, None),
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'parent-ids': ('parent_ids', list, None),
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'inventory-sha1': ('inventory_sha1', str, None),
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'message': ('message', str, cache_utf8.decode),
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'properties': ('properties', dict, _validate_properties),
79
67
def write_revision_to_string(self, rev):
82
70
# This lets us control the ordering, so that we are able to create
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(b"committer", encode_utf8(rev.committer)[0]),
74
("committer", encode_utf8(rev.committer)[0]),
88
76
if rev.timezone is not None:
89
ret.append((b"timezone", rev.timezone))
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ret.append(("timezone", rev.timezone))
90
78
# For bzr revisions, the most common property is just 'branch-nick'
91
79
# which changes infrequently.
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for key, value in rev.properties.items():
94
revprops[encode_utf8(key)[0]] = encode_utf8(value)[0]
95
ret.append((b'properties', revprops))
81
for key, value in rev.properties.iteritems():
82
revprops[key] = encode_utf8(value)[0]
83
ret.append(('properties', revprops))
97
(b"timestamp", b"%.3f" % rev.timestamp),
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(b"revision-id", rev.revision_id),
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(b"parent-ids", rev.parent_ids),
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(b"inventory-sha1", rev.inventory_sha1),
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(b"message", encode_utf8(rev.message)[0]),
85
("timestamp", "%.3f" % rev.timestamp),
86
("revision-id", rev.revision_id),
87
("parent-ids", rev.parent_ids),
88
("inventory-sha1", rev.inventory_sha1),
89
("message", encode_utf8(rev.message)[0]),
103
91
return bencode.bencode(ret)
143
131
return self.read_revision_from_string(f.read())
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class CHKSerializer(serializer.Serializer):
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class CHKSerializerSubtree(BEncodeRevisionSerializer1, xml7.Serializer_v7):
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"""A CHKInventory based serializer that supports tree references"""
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supported_kinds = set(['file', 'directory', 'symlink', 'tree-reference'])
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revision_format_num = None
140
support_altered_by_hack = False
142
def _unpack_entry(self, elt, entry_cache=None, return_from_cache=False):
144
if not kind in self.supported_kinds:
145
raise AssertionError('unsupported entry kind %s' % kind)
146
if kind == 'tree-reference':
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file_id = elt.attrib['file_id']
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name = elt.attrib['name']
149
parent_id = elt.attrib['parent_id']
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revision = elt.get('revision')
151
reference_revision = elt.get('reference_revision')
152
return inventory.TreeReference(file_id, name, parent_id, revision,
155
return xml7.Serializer_v7._unpack_entry(self, elt,
156
entry_cache=entry_cache, return_from_cache=return_from_cache)
158
def __init__(self, node_size, search_key_name):
159
self.maximum_size = node_size
160
self.search_key_name = search_key_name
163
class CHKSerializer(xml6.Serializer_v6):
147
164
"""A CHKInventory based serializer with 'plain' behaviour."""
150
167
revision_format_num = None
151
168
support_altered_by_hack = False
152
supported_kinds = {'file', 'directory', 'symlink', 'tree-reference'}
154
170
def __init__(self, node_size, search_key_name):
155
171
self.maximum_size = node_size
156
172
self.search_key_name = search_key_name
158
def _unpack_inventory(self, elt, revision_id=None, entry_cache=None,
159
return_from_cache=False):
160
"""Construct from XML Element"""
161
inv = xml_serializer.unpack_inventory_flat(elt, self.format_num,
162
xml_serializer.unpack_inventory_entry, entry_cache,
166
def read_inventory_from_string(self, xml_string, revision_id=None,
167
entry_cache=None, return_from_cache=False):
168
"""Read xml_string into an inventory object.
170
:param xml_string: The xml to read.
171
:param revision_id: If not-None, the expected revision id of the
173
:param entry_cache: An optional cache of InventoryEntry objects. If
174
supplied we will look up entries via (file_id, revision_id) which
175
should map to a valid InventoryEntry (File/Directory/etc) object.
176
:param return_from_cache: Return entries directly from the cache,
177
rather than copying them first. This is only safe if the caller
178
promises not to mutate the returned inventory entries, but it can
179
make some operations significantly faster.
182
return self._unpack_inventory(
183
xml_serializer.fromstring(xml_string), revision_id,
184
entry_cache=entry_cache,
185
return_from_cache=return_from_cache)
186
except xml_serializer.ParseError as e:
187
raise errors.UnexpectedInventoryFormat(e)
189
def read_inventory(self, f, revision_id=None):
190
"""Read an inventory from a file-like object."""
193
return self._unpack_inventory(self._read_element(f),
197
except xml_serializer.ParseError as e:
198
raise errors.UnexpectedInventoryFormat(e)
200
def write_inventory_to_lines(self, inv):
201
"""Return a list of lines with the encoded inventory."""
202
return self.write_inventory(inv, None)
204
def write_inventory_to_string(self, inv, working=False):
205
"""Just call write_inventory with a BytesIO and return the value.
207
:param working: If True skip history data - text_sha1, text_size,
208
reference_revision, symlink_target.
211
self.write_inventory(inv, sio, working)
212
return sio.getvalue()
214
def write_inventory(self, inv, f, working=False):
215
"""Write inventory to a file.
217
:param inv: the inventory to write.
218
:param f: the file to write. (May be None if the lines are the desired
220
:param working: If True skip history data - text_sha1, text_size,
221
reference_revision, symlink_target.
222
:return: The inventory as a list of lines.
225
append = output.append
226
if inv.revision_id is not None:
227
revid1 = b' revision_id="'
228
revid2 = xml_serializer.encode_and_escape(inv.revision_id)
232
append(b'<inventory format="%s"%s%s>\n' % (
233
self.format_num, revid1, revid2))
234
append(b'<directory file_id="%s name="%s revision="%s />\n' % (
235
xml_serializer.encode_and_escape(inv.root.file_id),
236
xml_serializer.encode_and_escape(inv.root.name),
237
xml_serializer.encode_and_escape(inv.root.revision)))
238
xml_serializer.serialize_inventory_flat(inv,
240
root_id=None, supported_kinds=self.supported_kinds,
247
chk_serializer_255_bigpage = CHKSerializer(65536, b'hash-255-way')
175
chk_serializer_255_bigpage = CHKSerializer(65536, 'hash-255-way')
250
178
class CHKBEncodeSerializer(BEncodeRevisionSerializer1, CHKSerializer):
251
179
"""A CHKInventory and BEncode based serializer with 'plain' behaviour."""
256
chk_bencode_serializer = CHKBEncodeSerializer(65536, b'hash-255-way')
184
chk_bencode_serializer = CHKBEncodeSerializer(65536, 'hash-255-way')