TakeGuiderSensitivityData

Bases: KPFTranslatorFunction

Source code in kpf/engineering/TakeGuiderSensitivityData.py 
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class TakeGuiderSensitivityData(KPFTranslatorFunction):
    '''
    '''
    @classmethod
    @obey_scriptrun
    def pre_condition(cls, OB, logger, cfg):
        check_input(OB, 'Template_Name', allowed_values=['kpf_eng_tgsd'])
        check_input(OB, 'Template_Version', version_check=True, value_min='0.3')
        check_input(OB, 'FPSvalues')

    @classmethod
    @register_script(Path(__file__).name, os.getpid())
    @add_script_log(Path(__file__).name.replace(".py", ""))
    def perform(cls, OB, logger, cfg):
        log.info('-------------------------')
        log.info(f"Running {cls.__name__}")
        for key in OB:
            log.debug(f"  {key}: {OB[key]}")
        log.info('-------------------------')

        images_file = log_dir / Path(f'{this_file_name}_images_{now_str}.txt')
        images = Table(names=('cube file', 'fps'),
                       dtype=('a90',       'f4'))

        kpfguide = ktl.cache('kpfguide')
        log.info(f"Guider gain is {kpfguide['GAIN'].read()}")
        log.info(f"Ensuring TRIGCUBE is Active")
        kpfguide['TRIGCUBE'].write('Active')

        all_loops = kpfguide['ALL_LOOPS'].read(binary=True)

        cube_duration = OB.get('cube_duration')
        for FPS in OB.get('FPSvalues'):
            log.info(f"Setting FPS to {FPS}")
            SetGuiderFPS.execute({'GuideFPS': FPS})

            # Start cube collection 
            log.info(f'Starting data collection for {cube_duration} s')
            initial_lastfile = kpfguide['LASTTRIGFILE'].read()
            kpfguide['TRIGGER'].write('Active')
            log.debug(f"Sleeping {cube_duration} s")
            time.sleep(cube_duration)
            # End cube collection
            kpfguide['TRIGGER'].write('Inactive', wait=False)
            kpfguide['ALL_LOOPS'].write('Inactive')
            # Wait for cube file to be updated
            ktl.waitFor(f"$kpfguide.LASTTRIGFILE != '{initial_lastfile}'")
            cube_file = kpfguide['LASTTRIGFILE'].read()
            log.info(f"  cube file: {cube_file}")
            if all_loops == 1:
                kpfguide['ALL_LOOPS'].write(1)
            row = {'cube file': cube_file,
                   'fps': FPS}
            images.add_row(row)
            if images_file.exists():
                images_file.unlink()
            images.write(images_file, format='ascii.csv')

    @classmethod
    def post_condition(cls, OB, logger, cfg):
        pass