def _parse_map_entry(self, messages_with_map, map_field_name, keys_needed): parsed_map_submessage = struct2tensor_ops.parse_message_level( tf.constant([m.SerializeToString() for m in messages_with_map]), test_map_pb2.MessageWithMap.DESCRIPTOR, [map_field_name])[0] return struct2tensor_ops.parse_proto_map( parsed_map_submessage.value, parsed_map_submessage.index, parsed_map_submessage.field_descriptor.message_type, keys_needed)
def test_corrupted_message(self): with self.assertRaises(tf.errors.DataLossError): self.evaluate( struct2tensor_ops.parse_proto_map( tf.constant(["corrupted message"]), tf.constant([0], dtype=tf.int64), test_map_pb2.MessageWithMap.DESCRIPTOR. fields_by_name["int32_string_map"].message_type, ["0"]))
def _get_map_parsed_fields( desc: descriptor.Descriptor, regular_fields: Mapping[StrStep, struct2tensor_ops._ParsedField], field_names: Set[StrStep], backing_str_tensor: Optional[tf.Tensor] = None ) -> Mapping[StrStep, struct2tensor_ops._ParsedField]: """Gets the map proto ParsedFields. field_names includes all the fields: map fields, any fields, and regular fields. Args: desc: the descriptor of the parent proto. regular_fields: the fields that are parsed directly from the proto. field_names: all fields needed: map fields, any fields, and regular fields. backing_str_tensor: a string tensor representing the root serialized proto. This is passed to keep string_views of the tensor valid for all children of the root expression Returns: A map from field names to ParsedFields, only for the field names of the form foo[bar]. """ maps_to_parse = collections.defaultdict(dict) for x in field_names: if path.is_map_indexing_step(x): map_field_name, key = path.parse_map_indexing_step(x) maps_to_parse[map_field_name][key] = x result_as_list = [] for map_field_name, v in maps_to_parse.items(): parsed_map_field = regular_fields[map_field_name] keys_needed = list(v.keys()) map_field_value = parsed_map_field.value map_field_index = parsed_map_field.index map_field_desc = desc.fields_by_name[map_field_name].message_type values_and_parent_indices = struct2tensor_ops.parse_proto_map( map_field_value, map_field_index, map_field_desc, keys_needed, backing_str_tensor) for map_key, [value, parent_index] in zip(keys_needed, values_and_parent_indices): result_as_list.append( struct2tensor_ops._ParsedField(field_name=v[map_key], field_descriptor=None, index=parent_index, value=value)) return {x.field_name: x for x in result_as_list}
def _get_map_parsed_fields(desc, regular_fields, field_names): """Gets the map proto ParsedFields. field_names includes all the fields: map fields, any fields, and regular fields. Args: desc: the descriptor of the parent proto. regular_fields: the fields that are parsed directly from the proto. field_names: all fields needed: map fields, any fields, and regular fields. Returns: A map from field names to ParsedFields, only for the field names of the form foo[bar]. """ maps_to_parse = collections.defaultdict(dict) for x in field_names: if path.is_map_indexing_step(x): map_field_name, key = path.parse_map_indexing_step(x) maps_to_parse[map_field_name][key] = x result_as_list = [] for map_field_name, v in maps_to_parse.items(): parsed_map_field = regular_fields[map_field_name] keys_needed = list(v.keys()) map_field_value = parsed_map_field.value map_field_index = parsed_map_field.index map_field_desc = desc.fields_by_name[map_field_name].message_type values_and_parent_indices = struct2tensor_ops.parse_proto_map( map_field_value, map_field_index, map_field_desc, keys_needed) for map_key, [value, parent_index] in zip(keys_needed, values_and_parent_indices): result_as_list.append( struct2tensor_ops._ParsedField(field_name=v[map_key], field_descriptor=None, index=parent_index, value=value)) return {x.field_name: x for x in result_as_list}