def connect_and_run(self, host, run, hosts, keyfile, certfile, timeout,
**args):
self.connection = XMLRPCClient(
'https://{0}/'.format(host if ':' in host else ':'.
join([host, str(DEFAULT_PORT)])), keyfile,
certfile, timeout)
result = self.run(**args)
check_std = lambda x: isinstance(x, str) or x == None
result_ok = False
if len(result) == 3:
retval, stdout, stderr = result
if isinstance(retval, int) and \
check_std(stdout) and check_std(stderr):
result_ok = True
if result_ok:
return result
else:
raise ViriError(
'command Local class must return a tuple of '
'(int, str, str), representing (retval, stdout, stderr)')
