def OpenBlob(self, blob_key):
    raise NotImplementedError('Storage class must override OpenBlob method.')
Creates a new AppControllerClient.
dataset/ETHPy150Open GoogleCloudPlatform/python-compat-runtime/appengine-compat/exported_appengine_sdk/google/appengine/api/blobstore/blobstore_stub.py/BlobStorage.OpenBlob--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/appcontroller_client.py/AppControllerClient.__init__