@wrap_exceptions
    def get_process_ppid(self):
        return _psutil_osx.get_process_ppid(self.pid)
Generates a response respecting the algorithm defined in RFC 2617
dataset/ETHPy150Open packages/psutil/psutil/_psosx.py/Process.get_process_ppid--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/cherrypy/cherrypy/lib/httpauth.py/_computeDigestResponse