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copiable_atom.py
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copiable_atom.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.
#
import abc
import typing
from neptune.new.attributes.atoms.atom import Atom
from neptune.new.internal.container_type import ContainerType
from neptune.new.internal.operation import CopyAttribute
from neptune.new.internal.utils.paths import parse_path
from neptune.new.types.value_copy import ValueCopy
if typing.TYPE_CHECKING:
from neptune.new.internal.backends.neptune_backend import NeptuneBackend
class CopiableAtom(Atom):
supports_copy = True
def copy(self, value: ValueCopy, wait: bool = False):
# pylint: disable=protected-access
with self._container.lock():
source_path = value.source_handler._path
source_attr = value.source_handler._get_attribute()
self._enqueue_operation(
CopyAttribute(
self._path,
container_id=source_attr._container_id,
container_type=source_attr._container_type,
source_path=parse_path(source_path),
source_attr_cls=source_attr.__class__,
),
wait,
)
@staticmethod
@abc.abstractmethod
def create_assignment_operation(path, value: int):
...
@staticmethod
@abc.abstractmethod
def getter(
backend: "NeptuneBackend",
container_id: str,
container_type: ContainerType,
path: typing.List[str],
) -> int:
...
def fetch(self):
return self.getter(self._backend, self._container_id, self._container_type, self._path)