def _read_next_entry(self, line, indent=1):
"""Read in a key-value pair
"""
if not line.startswith('#'):
raise errors.MalformedHeader('Bzr header did not start with #')
line = line[1:-1].decode('utf-8') # Remove the '#' and '\n'
if line[:indent] == ' ' * indent:
line = line[indent:]
if not line:
return None, None # Ignore blank lines
loc = line.find(': ')
if loc != -1:
key = line[:loc]
value = line[loc + 2:]
if not value:
value = self._read_many(indent=indent + 2)
elif line[-1:] == ':':
key = line[:-1]
value = self._read_many(indent=indent + 2)
else:
raise errors.MalformedHeader('While looking for key: value pairs,'
' did not find the colon %r' % (line))
key = key.replace(' ', '_')
#mutter('found %s: %s' % (key, value))
return key, value
def read_bundle(f):
"""Read in a bundle from a filelike object.
:param f: A file-like object
:return: A list of Bundle objects
"""
version = None
for line in f:
m = BUNDLE_HEADER_RE.match(line)
if m:
if m.group('lineending') != '':
raise errors.UnsupportedEOLMarker()
version = m.group('version')
break
elif line.startswith(BUNDLE_HEADER):
raise errors.MalformedHeader(
'Extra characters after version number')
m = CHANGESET_OLD_HEADER_RE.match(line)
if m:
version = m.group('version')
raise errors.BundleNotSupported(version,
'old format bundles not supported')
if version is None:
raise errors.NotABundle('Did not find an opening header')
# Now we have a version, to figure out how to read the bundle
if version not in _serializers:
raise errors.BundleNotSupported(version,
'version not listed in known versions')
serializer = _serializers[version](version)
return serializer.read(f)
def _handle_next(self, line):
if line is None:
return
key, value = self._read_next_entry(line, indent=1)
mutter('_handle_next %r => %r' % (key, value))
if key is None:
return
revision_info = self.info.revisions[-1]
if key in revision_info.__dict__:
if getattr(revision_info, key) is None:
if key in ('file_id', 'revision_id', 'base_id'):
value = value.encode('utf8')
elif key in ('parent_ids'):
value = [v.encode('utf8') for v in value]
setattr(revision_info, key, value)
else:
raise errors.MalformedHeader('Duplicated Key: %s' % key)
else:
# What do we do with a key we don't recognize
raise errors.MalformedHeader('Unknown Key: "%s"' % key)