greenback_async_to_sync_bridge_in_asyncio_loop.py

1import asyncio
2import greenback
3
4async def async_fn(x):
5    await asyncio.sleep(0.1)
6    return x + 1
7
8def sync_fn(x):
9    # Calling an async function from a sync function!
10    return greenback.await_(async_fn(x))
11
12async def main():
13    # Set up the current task to support greenback.await_()
14    await greenback.ensure_portal()
15    
16    print(f"Result: {sync_fn(42)}")
17
18if __name__ == "__main__":
19    asyncio.run(main())