cli.py 文件源码

def run_with_pdb(cmd, *args, **kwargs):
    # Stolen from pdb.main
    pdb_context = pdb.Pdb()
    try:
        ret = pdb_context.runcall(cmd, **kwargs)
        print("The program finished")
        return ret
    except pdb.Restart:
        print("Restarting %s with arguments: %s, %s" % (cmd.__name__, args, kwargs))
        # Yes, that's a hack
        return run_with_pdb(cmd, *args, **kwargs)
    except SystemExit:
        # In most cases SystemExit does not warrant a post-mortem session.
        print("The program exited via sys.exit(). Exit status:", end=' ')
        print(sys.exc_info()[1])
    except SyntaxError:
        traceback.print_exc()
        sys.exit(1)
    except:
        traceback.print_exc()
        print("Uncaught exception. Entering post mortem debugging")
        print("Running 'cont' or 'step' will restart the program")
        t = sys.exc_info()[2]
        pdb_context.interaction(None, t)
        print("Post mortem debugger finished.")