def encode_query_key(self, txid, namespace, ancestor_path):
if not isinstance(ancestor_path, tuple):
ancestor_path = Path.flatten(ancestor_path)
section_prefix = self._txid_prefix(txid) + self.QUERIES
encoded_ancestor = Text.encode(namespace) + Path.pack(ancestor_path[:2])
return section_prefix + encoded_ancestor
def encode_key(self, group_path):
""" Encodes a key for a given entity group.
Args:
group_path: A tuple containing path elements.
Returns:
A byte string containing the relevant FDB key.
"""
return b''.join([
self.directory.rawPrefix, hash_tuple(group_path),
Text.encode(group_path[0]) + Path.encode_id_or_name(group_path[1])])
def _encode_keys(self, keys):
return b''.join(
[Text.encode(decode_str(key.name_space())) + Path.pack(key.path())
for key in keys])