1 # Copyright 2013 The Chromium Authors. All rights reserved. 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 import logging 6 7 from extensions_paths import JSON_TEMPLATES 8 from data_source import DataSource 9 10 11 class StringsDataSource(DataSource): 12 '''Provides templates with access to a key to string mapping defined in a 13 JSON configuration file. 14 ''' 15 def __init__(self, server_instance, _): 16 self._cache = server_instance.compiled_fs_factory.ForJson( 17 server_instance.host_file_system_provider.GetTrunk()) 18 19 def _GetStringsData(self): 20 return self._cache.GetFromFile('%sstrings.json' % JSON_TEMPLATES) 21 22 def Cron(self): 23 return self._GetStringsData() 24 25 def get(self, key): 26 string = self._GetStringsData().Get().get(key) 27 if string is None: 28 logging.warning('String "%s" not found' % key) 29 return string 30
