python2rust/13_async/python/minimal.py at main · 0xNullLight/python2rust

34 lines (27 loc) · 737 Bytes

import asyncio

async def a():

print('Hello ...')

await asyncio.sleep(3)

print("waited")

return 1

async def b():

print('... World!')

return 2

async def main():

await a()

await b()

print("serial\n")

result = await asyncio.gather(a(), b())

print("joined\n")

assert result == [1, 2]

done, pending = await asyncio.wait(

[asyncio.create_task(a()), asyncio.create_task(b())], return_when=asyncio.FIRST_COMPLETED)

for p in pending:

p.cancel()

print("done {}\n".format(done.pop().result()))

futures = [b(), a(), b()]

result = await asyncio.gather(*futures)

print("joined vector\n")

if __name__ == "__main__":

# Python 3.7+

asyncio.run(main())

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