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attribute.py
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attribute.py
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#
# Copyright (c) 2022, Neptune Labs Sp. z o.o.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
from typing import TYPE_CHECKING, List
from neptune.new.exceptions import TypeDoesNotSupportAttributeException
from neptune.new.internal.backends.neptune_backend import NeptuneBackend
from neptune.new.internal.operation import Operation
from neptune.new.types.value_copy import ValueCopy
if TYPE_CHECKING:
from neptune.new.internal.container_type import ContainerType
from neptune.new.metadata_containers import MetadataContainer
class Attribute:
supports_copy = False
def __init__(self, container: "MetadataContainer", path: List[str]):
super().__init__()
self._container = container
self._path = path
def __getattr__(self, attr):
raise TypeDoesNotSupportAttributeException(type_=type(self), attribute=attr)
def _enqueue_operation(self, operation: Operation, wait: bool):
# pylint: disable=protected-access
self._container._op_processor.enqueue_operation(operation, wait)
@property
def _backend(self) -> NeptuneBackend:
# pylint: disable=protected-access
return self._container._backend
@property
def _container_id(self) -> str:
# pylint: disable=protected-access
return self._container._id
@property
def _container_type(self) -> "ContainerType":
# pylint: disable=protected-access
return self._container.container_type
def copy(self, value: ValueCopy, wait: bool = False):
raise Exception(f"{type(self).__name__} doesn't support copying")
def process_assignment(self, value, wait=False):
if isinstance(value, ValueCopy):
return self.copy(value, wait)
else:
return self.assign(value, wait)