# -*- coding: utf-8 -*-
#
# Copyright 2017-2022 - Swiss Data Science Center (SDSC)
# A partnership between École Polytechnique Fédérale de Lausanne (EPFL) and
# Eidgenössische Technische Hochschule Zürich (ETHZ).
#
# 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.
"""Storage factory implementation."""
from typing import TYPE_CHECKING, Callable, Dict
from renku.core.interface.storage import IStorage, IStorageFactory
if TYPE_CHECKING:
from renku.core.dataset.providers.api import ProviderApi, ProviderCredentials
[docs]class StorageFactory(IStorageFactory):
"""Return an external storage."""
[docs] @staticmethod
def get_storage(
storage_scheme: str,
provider: "ProviderApi",
credentials: "ProviderCredentials",
configuration: Dict[str, str],
uri_convertor: Callable[[str], str],
) -> "IStorage":
"""Return a storage that handles provider.
Args:
storage_scheme(str): Storage name.
provider(ProviderApi): The backend provider.
credentials(ProviderCredentials): Credentials for the provider.
configuration(Dict[str, str]): Storage-specific configuration that are passed to the IStorage implementation
uri_convertor(Callable[[str], str]): A function that converts backend-specific URI to a URI that is usable
by the IStorage implementation.
Returns:
An instance of IStorage.
"""
from .rclone import RCloneStorage
return RCloneStorage(
storage_scheme=storage_scheme,
provider=provider,
credentials=credentials,
provider_configuration=configuration,
provider_uri_convertor=uri_convertor,
)