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return self.read_revision_from_string(f.read())
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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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class CHKSerializer(serializer.Serializer):
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"""A CHKInventory based serializer with 'plain' behaviour."""
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supported_kinds = set(['file', 'directory', 'symlink', 'tree-reference'])
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150
revision_format_num = None
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151
support_altered_by_hack = False
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def _unpack_entry(self, elt, entry_cache=None, return_from_cache=False):
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if not kind in self.supported_kinds:
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raise AssertionError('unsupported entry kind %s' % kind)
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if kind == 'tree-reference':
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file_id = elt.attrib['file_id']
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name = elt.attrib['name']
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parent_id = elt.attrib['parent_id']
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revision = elt.get('revision')
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reference_revision = elt.get('reference_revision')
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return inventory.TreeReference(file_id, name, parent_id, revision,
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supported_kinds = {'file', 'directory', 'symlink', 'tree-reference'}
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def __init__(self, node_size, search_key_name):
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self.maximum_size = node_size
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self.search_key_name = search_key_name
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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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inv = xml_serializer.unpack_inventory_flat(elt, self.format_num,
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xml_serializer.unpack_inventory_entry, entry_cache,
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def read_inventory_from_string(self, xml_string, revision_id=None,
167
entry_cache=None, return_from_cache=False):
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"""Read xml_string into an inventory object.
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:param xml_string: The xml to read.
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:param revision_id: If not-None, the expected revision id of the
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: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.
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:param return_from_cache: Return entries directly from the cache,
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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,
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entry_cache=entry_cache,
185
return_from_cache=return_from_cache)
186
except xml_serializer.ParseError as e:
187
raise errors.UnexpectedInventoryFormat(e)
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def read_inventory(self, f, revision_id=None):
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"""Read an inventory from a file-like object."""
193
return self._unpack_inventory(self._read_element(f),
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except xml_serializer.ParseError as e:
198
raise errors.UnexpectedInventoryFormat(e)
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def write_inventory_to_lines(self, inv):
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"""Return a list of lines with the encoded inventory."""
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return self.write_inventory(inv, None)
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def write_inventory_to_string(self, inv, working=False):
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"""Just call write_inventory with a BytesIO and return the value.
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:param working: If True skip history data - text_sha1, text_size,
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reference_revision, symlink_target.
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self.write_inventory(inv, sio, working)
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return sio.getvalue()
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def write_inventory(self, inv, f, working=False):
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"""Write inventory to a file.
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:param inv: the inventory to write.
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: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,
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reference_revision, symlink_target.
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:return: The inventory as a list of lines.
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append = output.append
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if inv.revision_id is not None:
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revid1 = ' revision_id="'
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revid2 = xml_serializer.encode_and_escape(inv.revision_id)
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):
164
"""A CHKInventory based serializer with 'plain' behaviour."""
167
revision_format_num = None
168
support_altered_by_hack = False
170
def __init__(self, node_size, search_key_name):
171
self.maximum_size = node_size
172
self.search_key_name = search_key_name
232
append('<inventory format="%s"%s%s>\n' % (
233
self.format_num, revid1, revid2))
234
append('<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,
175
247
chk_serializer_255_bigpage = CHKSerializer(65536, 'hash-255-way')