separate data package

csst/common/data/__init__.py

+from .data import CsstData
+from .mscdata import CsstMscData, CsstMscImgData

csst/common/data.py → csst/common/data/data.py

@@ -3,7 +3,7 @@ from collections import OrderedDict
 import astropy.io.fits as fits
 from astropy.io.fits import HDUList, PrimaryHDU
 
-from .CsstException import CsstException
+from ..CsstException import CsstException
 
 
 INSTRUMENT_LIST = ["MSC", ]

csst/msc/mscdata.py → csst/common/data/mscdata.py

@@ -2,7 +2,7 @@ from collections import OrderedDict
 import astropy.io.fits as fits
 from astropy.io.fits import HDUList, PrimaryHDU, ImageHDU
 from astropy.io.fits.header import Header
-from ..common.data import CsstData
+from csst.common.data import CsstData
 
 
 class CsstMscData(CsstData):
@@ -13,12 +13,22 @@ class CsstMscData(CsstData):
         super(CsstData, self).__init__(primaryHDU, imgHDU, **kwargs)
         self._l1hdr_global = primaryHDU.header.copy()
         #         self._l1hdr_global['SIMPLE']  =  'T' #/ conforms to FITS standard
-        #         self._l1hdr_global['NAXIS']  =  0
+        #         self._l1hdr_global['NAXIS']  =  0kkjk
         self._l1data['sci'] = ImageHDU()
         self._l1data['weight'] = ImageHDU()
         self._l1data['flag'] = ImageHDU()
 
     def set_flat(self, flatimg):
+        """
+
+        Parameters
+        ----------
+        flatimg
+
+        Returns
+        -------
+
+        """
         self._auxdata['flat'] = flatimg
 
     def set_bias(self, biasimg):

csst/common/factory.py

 from astropy.io import fits
 
-from .data import INSTRUMENT_LIST
-from ..msc.mscdata import CsstMscImgData
+from .data.data import INSTRUMENT_LIST
+from csst.common.data.mscdata import CsstMscImgData
 
 
 class CsstDataFactory: