69 lines
1.8 KiB
Python
69 lines
1.8 KiB
Python
import asyncio
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from signal import SIGINT, signal
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import uvloop
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from sanic import Sanic, response
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from sanic.server import AsyncioServer
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app = Sanic("Example")
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@app.before_server_start
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async def before_server_start(app, loop):
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print("Async Server starting")
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@app.after_server_start
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async def after_server_start(app, loop):
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print("Async Server started")
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@app.before_server_stop
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async def before_server_stop(app, loop):
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print("Async Server stopping")
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@app.after_server_stop
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async def after_server_stop(app, loop):
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print("Async Server stopped")
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@app.route("/")
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async def test(request):
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return response.json({"answer": "42"})
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if __name__ == "__main__":
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asyncio.set_event_loop(uvloop.new_event_loop())
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serv_coro = app.create_server(
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host="0.0.0.0", port=8000, return_asyncio_server=True
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)
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loop = asyncio.get_event_loop()
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serv_task = asyncio.ensure_future(serv_coro, loop=loop)
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signal(SIGINT, lambda s, f: loop.stop())
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server: AsyncioServer = loop.run_until_complete(serv_task)
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loop.run_until_complete(server.startup())
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# When using app.run(), this actually triggers before the serv_coro.
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# But, in this example, we are using the convenience method, even if it is
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# out of order.
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loop.run_until_complete(server.before_start())
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loop.run_until_complete(server.after_start())
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try:
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loop.run_forever()
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except KeyboardInterrupt:
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loop.stop()
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finally:
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loop.run_until_complete(server.before_stop())
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# Wait for server to close
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close_task = server.close()
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loop.run_until_complete(close_task)
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# Complete all tasks on the loop
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for connection in server.connections:
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connection.close_if_idle()
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loop.run_until_complete(server.after_stop())
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