def call(self, method, message=None, timeout=None):
"""Send a message to the remote Actor this object addresses.
Wait for a result. If a timeout in seconds is passed, raise
eventlet.TimeoutError if no result is returned in less than the timeout.
"""
message_id = str(uuid.uuid1())
parsed,conn = connect(self._address)
call_msg = {'remotecall':message_id,
'method':method,
'message':message,
'timeout':timeout}
resp = conn.request('POST',parsed[2],json.dumps(call_msg,default=handle_custom))
if timeout is None:
cancel = None
else:
## Raise any TimeoutError to the caller so they can handle it
cancel = eventlet.Timeout(timeout, eventlet.TimeoutError)
resp = conn.getresponse()
stat = resp.status
rstr = resp.read()
if stat == 202:
rjson = json.loads(rstr,object_hook=generate_custom)
return rjson['message']
elif stat == 404:
rjson = json.loads(rstr,object_hook=generate_custom)
raise RemoteAttributeError(rjson['invalid_method'])
elif stat == 406:
rjson = json.loads(rstr,object_hook=generate_custom)
raise RemoteException(rjson['exception'])
elif stat == 408:
rjson = json.loads(rstr,object_hook=generate_custom)
raise eventlet.TimeoutError(rjson['timeout'])
else:
raise RemoteException("Unknown remote response "+str(stat))
def test_timeout(self):
import time
eventlet.Timeout(0.1, eventlet.TimeoutError())
self.assertRaises(eventlet.TimeoutError, tpool.execute, time.sleep,
0.3)
