added quitck_dataset method

            print(dm.l1_detector(detector, post="img.fits"))

        return dm

    @staticmethod

    def quick_dataset(hostname="dandelion", ver_sim="C5.2", dir_l1=".", exposure_id=100):

        """ quick dataset generator

        Parameters

        ----------

        hostname:

            {dandelion, ubuntu}

        ver_sim:

            {"C5.2"}

        dir_l1:

            output directory

        exposure_id:

            21-154 for C5.2

        Returns

        -------

        CsstMbiDataManager

            the MBI data manager instance

        """

        if hostname == "dandelion":

            # dandelion node

            dir_l0 = "/nfsdata/share/csst_simulation_data/Cycle-5-SimuData/multipleBandsImaging/CSST_shearOFF/" \

                     "MSC_{:07d}/".format(exposure_id)

            path_aux = "/data/L1Pipeline/msc/ref/MSC_{}_*_{:02d}_combine.fits"

            dir_pcref = "/data/L1Pipeline/msc/gaia_dr3/"

        elif hostname == "ubuntu":

            # PMO node

            dir_l0 = "/share/simudata/CSSOSDataProductsSims/data/CSSTSimImage_C5/NGP_AstrometryON_shearOFF/" \

                     "MSC_{:07d}/".format(exposure_id)

            path_aux = "/data/sim_data/MSC_0000100/ref/MSC_{}_*_{:02d}_combine.fits"

            dir_pcref = "/home/user/L1Pipeline/msc/gaia_dr3/"

        else:

            raise ValueError("@DM: invalid hostname! valid values are {dandelion, ubuntu}")

        return CsstMbiDataManager(ver_sim=ver_sim, dir_l0=dir_l0, dir_l1=dir_l1, dir_pcref=dir_pcref, path_aux=path_aux)

if __name__ == "__main__":

    # test C3