Add calibration factor from device names

[hayg25]

Hello,
I am trying to put calibration factors depending on the DS.

from facadedevice import Facade, proxy_attribute, logical_attribute, state_attribute, local_attribute
from tango.server import run
from tango import DevState, AttrWriteType

class FAC_ATT_DEPH(Facade):
    
    def safe_init_device(self):
        super(FAC_ATT_DEPH, self).safe_init_device()
        self.set_state(DevState.ON)

    pos = proxy_attribute(
        dtype=float,
        property_name='Motor_Attribute')

    @logical_attribute(
        bind=['pos'])
    def calib(self, pos):
# --- define calib_factor here from device name 
        return  pos * calib_factor(depends_on_ds_name)
        
if __name__ == '__main__':
    FAC_ATT_DEPH.run_server()
 

So I need to get the DS name in order to choose the calibration factor.
How could I get it ?

Thx

[hayg25]

Hi again,
I just would like to clarify my need :
I would like to make like calibrated variables from raw (ds from equipment). So for that, I would need external files (xls files for interpolation for example) and put the files may be as parameter into the DS properties.

1. so for that I need to access those variables in the code.
2. I also need to make conditions on ds_names (calibration depends on the material)
   • I solved it by getting the instance name from :

str(self).split('(')[0] 

Could you please comment on the method to include the calibrations (create calibrated variables) and more on that, how could I deal with including external files, may be as new property variables.

Thanks