easy_install.py 文件源码

def auto_chmod(func, arg, exc):
    if func in [os.unlink, os.remove] and os.name == 'nt':
        chmod(arg, stat.S_IWRITE)
        return func(arg)
    et, ev, _ = sys.exc_info()
    six.reraise(et, (ev[0], ev[1] + (" %s %s" % (func, arg))))