Closed as not planned
Description
Bug report
Checklist
- I am confident this is a bug in CPython, not a bug in a third-party project
- I have searched the CPython issue tracker,
and am confident this bug has not been reported before
CPython versions tested on:
3.11
Operating systems tested on:
Linux
Output from running 'python -VV' on the command line:
Python 3.11.4 (main, Jun 7 2023, 00:00:00) [GCC 13.1.1 20230511 (Red Hat 13.1.1-2)]
A clear and concise description of the bug:
Since bpo-32528, this code no longer works:
import asyncio
class ShowStopper(BaseException):
pass
def hello_world(loop):
print('Hello World')
raise ShowStopper("Stop")
loop = asyncio.get_event_loop()
loop.call_soon(hello_world, loop)
loop.run_forever()
loop.close()
I think this behaviour is very surprising as the general behaviour of exceptions based on BaseException
is that they propagate over error handling. Currently, we'd need to do something hacky like inherit from SystemExit
instead, basically relegating BaseException
to something internal.
This issue was mentioned in the PR, and supposed to be adjusted for Python 3.9:
Unfortunately, it seems that was forgotten.
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Done