def __call__(self, appcfg):
      method = getattr(appcfg, self.function)
      return method()
Connects to the database and loads Readings for device 8.
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/tools/appcfg.py/AppCfgApp.Action.__call__--crossover with--dataset/ETHPy150Open T-002/pycast/bin/examples/LivingRoomEnergy/server.py/energy_data