(*args, **kwargs)
return type(base.__name__, (base,),
                {'from_param': classmethod(from_param)})
Specifies an ndpointer type that wraps numpy.ctypeslib.ndpointer and
    allows a value of None to be passed to an argument of that type.

    Taken from http://stackoverflow.com/questions/32120178
Specifies an ndpointer type that wraps numpy.ctypeslib.ndpointer and
    allows a value of None to be passed to an argument of that type.
Specifies an ndpointer type that wraps numpy . ctypeslib . ndpointer and allows a value of None to be passed to an argument of that type .
def wrapped_ndpointer(*args, **kwargs):
    """
    Specifies an ndpointer type that wraps numpy.ctypeslib.ndpointer and
    allows a value of None to be passed to an argument of that type.

    Taken from http://stackoverflow.com/questions/32120178
    """
    if sys.version_info < (3,):
        if 'flags' in kwargs:
            kwargs['flags'] = tuple(
                f.encode('ascii') for f in kwargs['flags'])

    base = ndpointer(*args, **kwargs)

    def from_param(cls, obj):
        if obj is None:
            return obj
        return base.from_param(obj)

    return type(base.__name__, (base,),
                {'from_param': classmethod(from_param)})
def wrapped_ndpointer ( * args , * * kwargs ) : if sys . version_info < ( 3 , ) : if 'flags' in kwargs : kwargs [ 'flags' ] = tuple ( f . encode ( 'ascii' ) for f in kwargs [ 'flags' ] ) base = ndpointer ( * args , * * kwargs ) def from_param ( cls , obj ) : if obj is None : return obj return base . from_param ( obj ) return type ( base . __name__ , ( base , ) , { 'from_param' : classmethod ( from_param ) } )