classify.py 文件源码

def is_compound(space):
    """ Checks whether a space is a compound space. These are non-scalar
        `Box` spaces, `MultiDiscrete`, `MultiBinary` and `Tuple` spaces
        (A Tuple space with a single, non-compound subspace is still considered
        compound).
        :raises TypeError: If the space is no `gym.Space`.
    """
    assert_space(space)

    if isinstance(space, spaces.Discrete):
        return False
    elif isinstance(space, spaces.Box):
        return len(space.shape) != 1 or space.shape[0] != 1
    elif isinstance(space, (spaces.MultiDiscrete, spaces.MultiBinary)):
        return True
    elif isinstance(space, spaces.Tuple):
        return True

    raise NotImplementedError("Unknown space {} of type {} supplied".format(space, type(space)))