31 行
944 B
Python
31 行
944 B
Python
import asyncio
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import json
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from quart import current_app
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async def start_event_server_at(address):
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return await asyncio.start_unix_server(serve_event_client, address)
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async def serve_event_client(reader, writer):
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reader.feed_eof()
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queue = asyncio.Queue()
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current_app.event_queues.add(queue)
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try:
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while True:
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event = await queue.get()
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event_json = json.dumps(event, separators=(',', ':'))
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writer.write(event_json.encode())
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writer.write(b'\n')
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try:
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await writer.drain()
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# Because we used reader.feed_eof(), if the client sends anything
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# an AsserionError will be raised
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except (ConnectionError, AssertionError):
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break
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finally:
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current_app.event_queues.remove(queue)
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def notify_event_sockets(event):
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for queue in current_app.event_queues:
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queue.put_nowait(event)
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