Event loop integration

When I’m using a Julia library that starts a loop with @async, the python REPL will never yield to it. It seems like we need to insert a Main.eval("yield()") into the python repl loop. Could be an easy PR, but I’m not really sure where that would go!

[SimonDanisch]

Btw, after quite a bit of fiddling, this was the only solution that worked for me:

import asyncio, itertools
async def julia_yielder():
    for i in itertools.count():
        Main.eval("yield()")
        await asyncio.sleep(1/30)
        
asyncio.ensure_future(julia_yielder())

No idea why the internet is full of 1 mio solutions, that all don’t seem to work^^

[tkf]

It’s not possible. Event loop in Python is optional. Since various different libraries implement their own event loop, you have to use a specific entry point to launch a background task for each library.