main.py 文件源码

def _showwarning(message, category, filename, lineno, file=None, line=None):
    if file is not None:
        if _warnings_showwarning is not None:
            _warnings_showwarning(message, category, filename, lineno, file, line)
    else:
        s = warnings.formatwarning(message, category, filename, lineno)
        warnlog.warning(s)