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# Copyright 2013 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import logging
from extensions_paths import JSON_TEMPLATES
from data_source import DataSource
class StringsDataSource(DataSource):
'''Provides templates with access to a key to string mapping defined in a
JSON configuration file.
'''
def __init__(self, server_instance, _):
self._cache = server_instance.compiled_fs_factory.ForJson(
server_instance.host_file_system_provider.GetTrunk())
def _GetStringsData(self):
return self._cache.GetFromFile('%sstrings.json' % JSON_TEMPLATES)
def Cron(self):
return self._GetStringsData()
def get(self, key):
string = self._GetStringsData().Get().get(key)
if string is None:
logging.warning('String "%s" not found' % key)
return string
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