__init__.py 文件源码

def safe_listdir(path):
    """
    Attempt to list contents of path, but suppress some exceptions.
    """
    try:
        return os.listdir(path)
    except (PermissionError, NotADirectoryError):
        pass
    except OSError as e:
        # Ignore the directory if does not exist, not a directory or
        # permission denied
        ignorable = (
            e.errno in (errno.ENOTDIR, errno.EACCES, errno.ENOENT)
            # Python 2 on Windows needs to be handled this way :(
            or getattr(e, "winerror", None) == 267
        )
        if not ignorable:
            raise
    return ()