[issue42526] Exceptions in asyncio.Server callbacks are not retrievable

Andrew Svetlov added the comment: You can use try/except in handler() and dispatch the exception whatever you want. It doesn't require a new asyncio version, debug-only flag, etc. -- ___ Python tracker

[issue42526] Exceptions in asyncio.Server callbacks are not retrievable

Tom added the comment: How do you suggest one might test code in a Server callback with asyncio? Of course, I don't want any old exception to affect another client connection, only an exception which is uncaught up to the handler coro. And I'm not suggesting that it happen by default, only tha

[issue42526] Exceptions in asyncio.Server callbacks are not retrievable

Andrew Svetlov added the comment: This is a deliberate decision. An exception in handling one client connection should not break another connected client. -- ___ Python tracker _

[issue42526] Exceptions in asyncio.Server callbacks are not retrievable

New submission from Tom : Consider this program: import asyncio async def handler(r, w): raise RuntimeError async def main(): server = await asyncio.start_server(handler, host='localhost', port=1234) r, w = await asyncio.open_connection(host='localhost', p