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- # Copyright 2017 The Android Open Source Project
- #
- # 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.
- from __future__ import print_function
- import os
- import sys
- """Shared functions for use in tzdata scripts."""
- def GetIanaTarFile(dir_name, file_type):
- matching_files = []
- for filename in os.listdir(dir_name):
- if filename.startswith('tz%s20' % file_type) and filename.endswith('.tar.gz'):
- matching_files.append(filename);
- if len(matching_files) == 0:
- return None
- elif len(matching_files) == 1:
- return '%s/%s' % (dir_name, matching_files[0])
- else:
- print('Multiple tz%s files found unexpectedly %s' % (file_type, matching_files))
- sys.exit(1)
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