glob.py 文件源码

def _iterdir(dirname, dironly):
    if not dirname:
        if isinstance(dirname, bytes):
            dirname = bytes(os.curdir, 'ASCII')
        else:
            dirname = os.curdir
    try:
        it = scandir(dirname)
        for entry in it:
            try:
                if not dironly or entry.is_dir():
                    yield entry.name
            except OSError:
                pass
    except OSError:
        return

# Recursively yields relative pathnames inside a literal directory.