def timerEvent(self, event):
"""
Periodically call updateGL to process mouse/keyboard events and
update the scene.
"""
etime = time.time() - self.lastFrameTime
if etime > 1:
numFrames = self.frameCnt - self.lastFrameCnt
util.logMetricQty('#FPS', int(numFrames / etime))
self.lastFrameCnt = self.frameCnt
self.lastFrameTime = time.time()
self.killTimer(event.timerId())
self.drawTimer = self.startTimer(20)
self.updateGL()
def sendToClerk(self, cmd: str, data: dict):
"""
Send data to Clerk and return the response.
This method blocks until a response arrives. Upon a reply it inspects
the response to determine whether the request succeeded or not. This is
returned as the first argument in the 'ok' flag.
.. note::
JSON must be able to serialise the content of ``data``.
:param str cmd: command word
:param dict data: payload (must be JSON encodeable)
:return: Payload data in whatever form it arrives.
:rtype: any
"""
with util.Timeit('client.sendToClerk:{}:1'.format(cmd)):
try:
payload = json.dumps({'cmd': cmd, 'data': data})
except (ValueError, TypeError):
msg = 'JSON encoding error for Client command <{}>'.format(cmd)
self.logit.warning(msg)
return RetVal(False, msg, None)
# Send data and wait for response.
with util.Timeit('client.sendToClerk:{}:2'.format(cmd)):
self.send(payload)
payload = self.recv()
util.logMetricQty('client.recv:{}'.format(cmd), len(payload))
# Decode the response and wrap it into a RetVal tuple.
with util.Timeit('client.sendToClerk:{}:3'.format(cmd)):
try:
ret = json.loads(payload)
ret = RetVal(**ret)
except (ValueError, TypeError):
return RetVal(False, 'JSON decoding error in Client', None)
return ret
