@abc.abstractmethod
    def run(self):
        pass
L{calcHA2} accepts the C{'sha'} algorithm and returns a SHA hash of
dataset/ETHPy150Open StackStorm/st2/st2reactor/st2reactor/sensor/base.py/BaseSensor.run--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/test/test_digestauth.py/DigestAuthTests.test_SHAHashA2AuthInt