$ pip install asyncio-thread-runner

>>>asyncdefdouble(i):...returni*2...>>>fromasyncio_thread_runnerimportThreadRunner>>>runner=ThreadRunner()>>>runner.run(double(2))4

importaiohttpfromasyncio_thread_runnerimportThreadRunner# you can use ThreadRunner as a context manager,# or call runner.close() when you're done with itwithThreadRunner()asrunner:# aiohttp.ClientSession() should be used as an async context manager,# enter_context() will exit the context on runner shutdown;# because instantiating ClientSession requires a running event loop,# we pass it as a factory instead of calling it in the main threadsession=runner.enter_context(aiohttp.ClientSession)# session.get() returns an async context manager...request=session.get('https://death.andgravity.com/asyncio-bridge')# which we turn into a normal one with wrap_context()withrunner.wrap_context(request)asresponse:# response.content is an async iterator;# we turn it into a normal iterator with wrap_iter()lines=list(runner.wrap_iter(response.content))# "got 935 lines"print('got',len(lines),'lines')