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file.py
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file.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 os
from typing import Optional
from neptune.new.attributes.atoms.atom import Atom
from neptune.new.internal.operation import UploadFile, UploadFileContent
from neptune.new.internal.utils import base64_encode, verify_type
from neptune.new.types.atoms.file import File as FileVal
# pylint: disable=protected-access
class File(Atom):
def assign(self, value: FileVal, wait: bool = False) -> None:
verify_type("value", value, FileVal)
if value.path is not None:
operation = UploadFile(
self._path, ext=value.extension, file_path=os.path.abspath(value.path)
)
elif value.content is not None:
operation = UploadFileContent(
self._path,
ext=value.extension,
file_content=base64_encode(value.content),
)
else:
raise ValueError("File path and content are None")
with self._container.lock():
self._enqueue_operation(operation, wait)
def upload(self, value, wait: bool = False) -> None:
self.assign(FileVal.create_from(value), wait)
def download(self, destination: Optional[str] = None) -> None:
verify_type("destination", destination, (str, type(None)))
self._backend.download_file(
self._container_id, self._container_type, self._path, destination
)
def fetch_extension(self) -> str:
# pylint: disable=protected-access
val = self._backend.get_file_attribute(self._container_id, self._container_type, self._path)
return val.ext