def get_manifest_and_flags_by_revid(self, revid):
try:
return self._get_cached_manifest(revid)
except KeyError:
pass
try:
ft = self._get_cached_manifest_text(revid)
except KeyError:
pass
else:
return parse_manifest(ft)
return self._reconstruct_manifest_and_flags_by_revid(revid)
def get_manifest_and_flags_by_revids(self, revids):
if self.manifests_vf is not None:
stream = self.manifests_vf.get_record_stream(
((revid, ) for revid in revids), "topological", True)
else:
stream = (AbsentContentFactory((revid, )) for revid in revids)
for record in stream:
if record.storage_kind == 'absent':
yield (record.key[0],
self._reconstruct_manifest_and_flags_by_revid(
record.key))
else:
yield (record.key[0],
parse_manifest(record.get_bytes_as('fulltext')))
def _unpack_manifests(self, chunkiter, mapping, kind_map, todo, pb):
"""Unpack the manifest deltas.
:param chunkiter: Iterator over delta chunks for the manifest.
:param mapping: Bzr<->Hg mapping
:param pb: Progress bar
"""
chunks = unpack_chunk_iter(chunkiter,
self._target_overlay.get_manifest_text)
for i, (fulltext, hgkey, hgparents, csid) in enumerate(chunks):
pb.update("fetching manifests", i, len(self._revisions))
(manifest, flags) = parse_manifest(fulltext)
for revid in self._manifest2rev_map[hgkey]:
todo.append(revid)
yield (revid, self._revisions[revid].parent_ids, fulltext)
self._process_manifest(manifest, flags, revid, mapping,
kind_map)