Files
deb-python-trollius/examples/interop_asyncio.py
2014-06-11 18:31:58 +02:00

54 lines
1.4 KiB
Python

import asyncio
import trollius
@asyncio.coroutine
def asyncio_noop():
pass
@asyncio.coroutine
def asyncio_coroutine(coro):
print("asyncio coroutine")
res = yield from coro
print("asyncio inner coroutine result: %r" % (res,))
print("asyncio coroutine done")
return "asyncio"
@trollius.coroutine
def trollius_noop():
pass
@trollius.coroutine
def trollius_coroutine(coro):
print("trollius coroutine")
res = yield trollius.From(coro)
print("trollius inner coroutine result: %r" % (res,))
print("trollius coroutine done")
raise trollius.Return("trollius")
def main():
# use trollius event loop policy in asyncio
policy = trollius.get_event_loop_policy()
asyncio.set_event_loop_policy(policy)
# create an event loop for the main thread: use Trollius event loop
loop = trollius.get_event_loop()
assert asyncio.get_event_loop() is loop
print("[ asyncio coroutine called from trollius coroutine ]")
coro1 = asyncio_noop()
coro2 = asyncio_coroutine(coro1)
res = loop.run_until_complete(trollius_coroutine(coro2))
print("trollius coroutine result: %r" % res)
print("")
print("[ asyncio coroutine called from trollius coroutine ]")
coro1 = trollius_noop()
coro2 = trollius_coroutine(coro1)
res = loop.run_until_complete(asyncio_coroutine(coro2))
print("asyncio coroutine result: %r" % res)
print("")
loop.close()
main()