| # Copyright (C) 2010 Google Inc. | |
| # | |
| # 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. | |
| """Utilities for OAuth. | |
| Utilities for making it easier to work with OAuth 2.0 | |
| credentials. | |
| """ | |
| __author__ = '[email protected] (Joe Gregorio)' | |
| import pickle | |
| import threading | |
| from client import Storage as BaseStorage | |
| class Storage(BaseStorage): | |
| """Store and retrieve a single credential to and from a file.""" | |
| def __init__(self, filename): | |
| self._filename = filename | |
| self._lock = threading.Lock() | |
| def get(self): | |
| """Retrieve Credential from file. | |
| Returns: | |
| oauth2client.client.Credentials | |
| """ | |
| self._lock.acquire() | |
| try: | |
| f = open(self._filename, 'r') | |
| credentials = pickle.loads(f.read()) | |
| f.close() | |
| credentials.set_store(self.put) | |
| except: | |
| credentials = None | |
| self._lock.release() | |
| return credentials | |
| def put(self, credentials): | |
| """Write a pickled Credentials to file. | |
| Args: | |
| credentials: Credentials, the credentials to store. | |
| """ | |
| self._lock.acquire() | |
| f = open(self._filename, 'w') | |
| f.write(pickle.dumps(credentials)) | |
| f.close() | |
| self._lock.release() |