added dfs module

import os

from csst_dfs_api.common.catalog import CatalogApi

from csst_dfs_api.msc.level1 import Level1DataApi

# DFS query

def gaia_query_from_dfs(ra=180, dec=0, radius=2, min_mag=0, max_mag=20, obstime=-1, limit=-1):

    """ query gaia edr3 catalog from dfs """

    api = CatalogApi()

    cat = api.catalog_query(

        catalog_name="gaia3", ra=ra, dec=dec, radius=radius, min_mag=min_mag, max_mag=max_mag,

        obstime=obstime, limit=limit

    )

    tbl = api.to_table(cat)

    return tbl

# TODO: the l1api is not completed

def get_l1api(node="pm"):

    """ get DFS L1 API

    Parameters

    ----------

    node: str

        in present, node has to be "pm"

    Returns

    -------

    DFS L1 API

    Examples

    --------

    >>>

    >>> rec = l1api.write(

    >>>     level0_id='10000000020',

    >>>     data_type = "sci",

    >>>     cor_sci_id = 1,

    >>>     prc_status = 3,

    >>>     prc_time = '2022-01-05 15:18:13',

    >>>     filename = "MSC_MS_210525120000_100000000_20_img.fits",

    >>>     file_path = "/nfs/data/test20211012/output/L1/150s/MSC_MS_210525120000_100000000_20_img.fits",

    >>>     pipeline_id = "P1_test",

    >>>     refs = {})

    >>> print('write:', rec)

    """

    l1api = Level1DataApi()

    return l1api

if __name__ == "__main__":

    tbl = gaia_query_from_dfs()

    print(tbl)