decorators.py 文件源码

def apply_to_mask(f, clip, *a, **k):
    """ This decorator will apply the same function f to the mask of
        the clip created with f """

    newclip = f(clip, *a, **k)
    if hasattr(newclip, 'mask') and (newclip.mask is not None):
        newclip.mask = f(newclip.mask, *a, **k)
    return newclip