def run_sample_app():
import SocketServer
SocketServer.BaseServer.handle_error = close_stream
import example_app
example_app.run(app, xyzzy)
def pop_queue(current_event_queue):
while True:
data = current_event_queue.get()
yield data
def purge_streams():
big_queues = [
port for port, queue in xyzzy.events_queue
if len(queue) > xyzzy.MAX_QUEUE_LENGTH
]
for big_queue in big_queues:
current_app.logger.info(
'Client %s is stale. Disconnecting. Total Clients: %s' %
(big_queue, len(xyzzy.events_queue)))
del queue[big_queue]
def close_stream(*args, **kwargs):
event_stream_port = args[2][1]
del xyzzy.events_queue[event_stream_port]
print('Client %s disconnected. Total Clients: %s' %
(event_stream_port, len(xyzzy.events_queue)))
if __name__ == "__main__":
import SocketServer
SocketServer.BaseServer.handle_error = close_stream
import example_app
example_app.run(app, xyzzy)
import example_app
print("Let's explore some Handy Features of Python ")
example_app.run()
def run_sample_app():
import SocketServer
SocketServer.BaseServer.handle_error = close_stream
import example_app
example_app.run(app, xyzzy)
return Response(pop_queue(current_event_queue), mimetype='text/event-stream')
return Response(xyzzy.last_events.values(), mimetype='text/event-stream')
def pop_queue(current_event_queue):
while not xyzzy.stopped:
try:
data = current_event_queue.get(timeout=0.1)
yield data
except Queue.Empty:
#this makes the server quit nicely - previously the queue threads would block and never exit. This makes it keep checking for dead application
pass
def purge_streams():
big_queues = [port for port, queue in xyzzy.events_queue if len(queue) > xyzzy.MAX_QUEUE_LENGTH]
for big_queue in big_queues:
current_app.logger.info('Client %s is stale. Disconnecting. Total Clients: %s' %
(big_queue, len(xyzzy.events_queue)))
del queue[big_queue]
def close_stream(*args, **kwargs):
event_stream_port = args[2][1]
del xyzzy.events_queue[event_stream_port]
log.info('Client %s disconnected. Total Clients: %s' % (event_stream_port, len(xyzzy.events_queue)))
if __name__ == "__main__":
import SocketServer
SocketServer.BaseServer.handle_error = close_stream
import example_app
example_app.run(app, xyzzy)
