def set_builtins_dir(path):
  global _handler_dir, _available_builtins
  _handler_dir = path
  _available_builtins = []
  _initialize_builtins()
Sets the appropriate path for testing and reinitializes the module.
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/ext/builtins/__init__.py/set_builtins_dir