# Copyright 2021 AlQuraishi Laboratory# Copyright 2021 DeepMind Technologies Limited## 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."""Common utilities for data pipeline tools."""importcontextlibimportdatetimeimportloggingimportshutilimporttempfileimporttimefromtypingimportOptional
[docs]@contextlib.contextmanagerdeftmpdir_manager(base_dir:Optional[str]=None):"""Context manager that deletes a temporary directory on exit."""tmpdir=tempfile.mkdtemp(dir=base_dir)try:yieldtmpdirfinally:shutil.rmtree(tmpdir,ignore_errors=True)
[docs]@contextlib.contextmanagerdeftiming(msg:str):logging.info("Started %s",msg)tic=time.perf_counter()yieldtoc=time.perf_counter()logging.info("Finished %s in %.3f seconds",msg,toc-tic)