XenAPI.py 文件源码

def xenapi_request(self, methodname, params):
        if methodname.startswith('login'):
            self._login(methodname, params)
            return None

        if methodname == 'logout' or methodname == 'session.logout':
            self._logout()
            return None

        retry_count = 0
        while retry_count < 3:
            full_params = (self._session,) + params
            result = _parse_result(getattr(self, methodname)(*full_params))
            if result is _RECONNECT_AND_RETRY:
                retry_count += 1
                if self.last_login_method:
                    self._login(self.last_login_method,
                                self.last_login_params)
                else:
                    raise xmlrpcclient.Fault(401, 'You must log in')
            else:
                return result
        raise xmlrpcclient.Fault(
            500, 'Tried 3 times to get a valid session, but failed')