python 这意味着无论何时引发未捕获的异常，我都会立即得知发生了什么（完全回溯）。

Posted 2021-05-09

#!/usr/bin/env python
# from: https://news.ycombinator.com/item?id=19078825

import traceback
import pdb
import sys

def main():
    # some WIP code that maybe raises an exception
    raise BaseException("oh no, exception!")
    return 0

if __name__ == "__main__":
    try:
        ret = main()
    except:
        traceback.print_exc()
        pdb.post_mortem()
    sys.exit(ret)