Forked from willir/python_asyncio_stop_for_stackoverflow1.py
Created
August 28, 2019 10:04
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#!/usr/bin/env python3 | |
# -*- coding: utf-8 -*- | |
import asyncio | |
import signal | |
def my_handler(): | |
print('Stopping') | |
for task in asyncio.Task.all_tasks(): | |
task.cancel() | |
@asyncio.coroutine | |
def do_some(some_args): | |
while True: | |
print("Do staff with %s" % some_args) | |
yield from asyncio.sleep(2) | |
@asyncio.coroutine | |
def do_some2(some_args): | |
try: | |
while True: | |
print("Do staff with %s" % some_args) | |
yield from asyncio.sleep(2) | |
except asyncio.CancelledError: | |
print('Cancelling... %s' % some_args) | |
yield from asyncio.sleep(2) | |
print('Cancelled %s' % some_args) | |
raise | |
def main(): | |
loop = asyncio.get_event_loop() | |
loop.add_signal_handler(signal.SIGINT, my_handler) | |
try: | |
loop.run_until_complete(asyncio.wait([do_some(1), do_some(2), do_some2(1), do_some2(2)])) | |
except asyncio.CancelledError: | |
print('Tasks canceled 1') | |
loop.run_until_complete(asyncio.wait(asyncio.Task.all_tasks())) | |
finally: | |
loop.close() | |
if __name__ == '__main__': | |
main() |
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