@base.resource(datasource.Datasource)
    def data_source(self, label):
        return datasource.Datasource(self.apikey_or_username, label)
Pure Python function for customize HoloViews objects in terms of
dataset/ETHPy150Open ducksboard/libsaas/libsaas/services/ducksboard/service.py/Ducksboard.data_source--crossover with--dataset/ETHPy150Open ioam/holoviews/holoviews/core/options.py/StoreOptions.set_options