Bases: KPFTranslatorFunction
Sets the PROGNAME keyword for the science detectors in the kpfexpose
keyword service.
ARGS:
:progname: str
The program ID to set.
Source code in kpf/spectrograph/SetProgram.py
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47 | class SetProgram(KPFTranslatorFunction):
'''Sets the PROGNAME keyword for the science detectors in the kpfexpose
keyword service.
ARGS:
=====
:progname: `str` The program ID to set.
'''
@classmethod
def pre_condition(cls, args, logger, cfg):
check_input(args, 'progname')
@classmethod
def perform(cls, args, logger, cfg):
kpfexpose = ktl.cache('kpfexpose')
progname = args.get('progname')
log.debug('Waiting for kpfexpose to be ready')
WaitForReady.execute({})
log.info(f"Setting PROGNAME to '{progname}'")
kpfexpose['PROGNAME'].write(progname)
time_shim = cfg.getfloat('times', 'kpfexpose_shim_time', fallback=0.1)
time.sleep(time_shim)
@classmethod
def post_condition(cls, args, logger, cfg):
progname = args.get('progname')
timeout = cfg.getfloat('times', 'kpfexpose_response_time', fallback=1)
expr = f"($kpfexpose.PROGNAME == '{progname}')"
success = ktl.waitFor(expr, timeout=timeout)
if success is not True:
prognamekw = ktl.cache('kpfexpose', 'PROGNAME')
raise FailedToReachDestination(prognamekw.read(), progname)
@classmethod
def add_cmdline_args(cls, parser, cfg=None):
parser.add_argument('progname', type=str,
help='The PROGNAME keyword')
return super().add_cmdline_args(parser, cfg)
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