def IsCached(self, source, mtime):
    if not self.hascontents:
      return False
    if self.filename == source and self.mtime == mtime:
      return True
    else:
      return False
Initialize a `PlainServerAuthenticator` object.
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/ext/analytics/main.py/Cache.IsCached--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python3-alpha/python-libs/pyxmpp2/sasl/plain.py/PlainServerAuthenticator.__init__