class ArrayCreator:
    def __init__(specs):
        self.specs = specs

    def __call__(self, array):
        return self.create(array)

    def ones(self, shape):
        return self(np.ones(shape))

    def zeros(self, shape):
        return self(np.zeros(shape))

series = ArrayCreator(series_specs)
map = ArrayCreator(map_specs)

array_1 = series([[1, 2], [3, 4]])
array_2 = series.ones([10, 10])