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external.py
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external.py
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# -*- coding: utf-8 -*-
#
# Copyright 2020 - 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.
"""Checks for external files."""
from renku.command.command_builder import inject
from renku.command.util import WARNING, red_text, yellow_text
from renku.core.interface.dataset_gateway import IDatasetGateway
from renku.domain_model.project_context import project_context
@inject.autoparams("dataset_gateway")
def check_missing_external_files(dataset_gateway: IDatasetGateway, **_):
"""Find external files that are missing.
Args:
dataset_gateway(IDatasetGateway): The injected dataset gateway.
_: keyword arguments.
Returns:
Tuple of whether no external files are missing and string of found problems.
"""
missing = []
for dataset in dataset_gateway.get_all_active_datasets():
for file_ in dataset.files:
if file_.is_external:
target = (project_context.path / file_.entity.path).resolve()
if not target.exists():
missing.append((file_.entity.path, str(target)))
if not missing:
return True, None
missing_str = "\n\t".join(f"{yellow_text(path)} -> {red_text(target)}" for path, target in missing)
problems = (
f"\n{WARNING}There are missing external files.\n (make sure that external paths are accessible)"
f"\n\n\t{missing_str}\n"
)
return False, problems