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https://github.com/avatao-content/baseimage-tutorial-framework
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Add frontend/eventhandler message callback capabilities to ZMQWSProxy
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parent
f6cc7ae495
commit
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@ -17,13 +17,10 @@ class ZMQWebSocketProxy(WebSocketHandler):
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def initialize(self, **kwargs): # pylint: disable=arguments-differ
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self._event_handler_connector = kwargs['event_handler_connector']
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self.init_callback_lists_from(
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kwargs,
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[
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'message_handlers',
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'proxy_filters'
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]
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)
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self._message_handlers = kwargs.get('message_handlers', [])
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self._frontend_message_handlers = kwargs.get('frontend_message_handlers', [])
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self._eventhandler_message_handlers = kwargs.get('eventhandler_message_handlers', [])
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self._proxy_filters = kwargs.get('proxy_filters', [])
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self.proxy_eventhandler_to_websocket = TFWProxy(
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self.send_eventhandler_message,
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@ -36,22 +33,16 @@ class ZMQWebSocketProxy(WebSocketHandler):
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self.subscribe_proxy_callbacks()
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def init_callback_lists_from(self, init_kwargs, callback_lists):
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for callback_list in callback_lists:
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setattr(
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self,
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f'_{callback_list}',
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init_kwargs.get(callback_list, [])
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)
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def subscribe_proxy_callbacks(self):
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proxies = (
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self.proxy_eventhandler_to_websocket,
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self.proxy_websocket_to_eventhandler
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self.proxy_websocket_to_eventhandler.subscribe_proxy_callbacks_and_filters(
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self._eventhandler_message_handlers + self._message_handlers,
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self._proxy_filters
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)
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self.proxy_eventhandler_to_websocket.subscribe_proxy_callbacks_and_filters(
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self._frontend_message_handlers + self._message_handlers,
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self._proxy_filters
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)
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for proxy in proxies:
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proxy.proxy_filters.subscribe_callbacks(*self._proxy_filters)
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proxy.proxy_callbacks.subscribe_callbacks(*self._message_handlers)
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def prepare(self):
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ZMQWebSocketProxy.instances.add(self)
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@ -139,3 +130,7 @@ class TFWProxy:
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LOG.debug('Broadcasting message: %s', message)
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self.to_source(message)
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self.to_destination(message)
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def subscribe_proxy_callbacks_and_filters(self, proxy_callbacks, proxy_filters):
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self.proxy_callbacks.subscribe_callbacks(*proxy_callbacks)
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self.proxy_filters.subscribe_callbacks(*proxy_filters)
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