def main()

in bowler/main.py [0:0]

• 23 lines of code
• 6 McCabe index (conditional complexity)

def main(ctx: click.Context, debug: bool, version: bool) -> None:
    """Safe Python code modification and refactoring."""
    if version:
        from bowler import __version__

        click.echo(f"bowler {__version__}")
        return

    if debug:
        BowlerTool.NUM_PROCESSES = 1
        BowlerTool.IN_PROCESS = True

    root = logging.getLogger()
    if not root.hasHandlers():
        logging.addLevelName(logging.DEBUG, "DBG")
        logging.addLevelName(logging.INFO, "INF")
        logging.addLevelName(logging.WARNING, "WRN")
        logging.addLevelName(logging.ERROR, "ERR")
        level = logging.DEBUG if debug else logging.WARNING
        fmt = logging.Formatter("{levelname}:{filename}:{lineno}  {message}", style="{")
        han = logging.StreamHandler(stream=sys.stderr)
        han.setFormatter(fmt)
        han.setLevel(level)
        root.setLevel(level)
        root.addHandler(han)

    if ctx.invoked_subcommand is None:
        return do(None, None)