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Fix examples/async_registration.py attaching to the correct loop #921

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Merged
bdraco merged 1 commit into from
Jul 19, 2021
Merged

Fix examples/async_registration.py attaching to the correct loop #921

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49 changes: 23 additions & 26 deletions examples/async_registration.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5,27 +5,32 @@
import asyncio
import logging
import socket
import time
from typing import List
from typing import List, Optional

from zeroconf import IPVersion
from zeroconf.asyncio import AsyncServiceInfo, AsyncZeroconf


async def register_services(infos: List[AsyncServiceInfo]) -> None:
tasks = [aiozc.async_register_service(info) for info in infos]
background_tasks = await asyncio.gather(*tasks)
await asyncio.gather(*background_tasks)


async def unregister_services(infos: List[AsyncServiceInfo]) -> None:
tasks = [aiozc.async_unregister_service(info) for info in infos]
background_tasks = await asyncio.gather(*tasks)
await asyncio.gather(*background_tasks)
class AsyncRunner:
def __init__(self, ip_version: IPVersion) -> None:
self.ip_version = ip_version
self.aiozc: Optional[AsyncZeroconf] = None

async def register_services(self, infos: List[AsyncServiceInfo]) -> None:
self.aiozc = AsyncZeroconf(ip_version=self.ip_version)
tasks = [self.aiozc.async_register_service(info) for info in infos]
background_tasks = await asyncio.gather(*tasks)
await asyncio.gather(*background_tasks)
print("Finished registration, press Ctrl-C to exit...")
while True:
await asyncio.sleep(1)

async def close_aiozc(aiozc: AsyncZeroconf) -> None:
await aiozc.async_close()
async def unregister_services(self, infos: List[AsyncServiceInfo]) -> None:
assert self.aiozc is not None
tasks = [self.aiozc.async_unregister_service(info) for info in infos]
background_tasks = await asyncio.gather(*tasks)
await asyncio.gather(*background_tasks)
await self.aiozc.async_close()


if __name__ == '__main__':
Expand Down Expand Up @@ -60,18 +65,10 @@ async def close_aiozc(aiozc: AsyncZeroconf) -> None:
)
)

print("Registration of 250 services, press Ctrl-C to exit...")
aiozc = AsyncZeroconf(ip_version=ip_version)
print("Registration of 250 services...")
loop = asyncio.get_event_loop()
loop.run_until_complete(register_services(infos))
print("Registration complete.")
runner = AsyncRunner(ip_version)
try:
while True:
time.sleep(0.1)
loop.run_until_complete(runner.register_services(infos))
except KeyboardInterrupt:
pass
finally:
print("Unregistering...")
loop.run_until_complete(unregister_services(infos))
print("Unregistration complete.")
loop.run_until_complete(close_aiozc(aiozc))
loop.run_until_complete(runner.unregister_services(infos))