# 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. 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)