Source code for jwst.lastframe.lastframe_step

from ..stpipe import Step
from .. import datamodels
from . import lastframe_sub

__all__ = ["LastFrameStep"]

[docs]class LastFrameStep(Step): """ LastFrameStep: This is a MIRI specific task. If the number of groups is greater than 2, the GROUP data quality flags for the final group will be set to DO_NOT_USE. """
[docs] def process(self, input): # Open the input data model with datamodels.RampModel(input) as input_model: # check the data is MIRI data detector = input_model.meta.instrument.detector if detector[:3] == 'MIR': # Do the lastframe correction subtraction result = lastframe_sub.do_correction(input_model) else: self.log.warning('Last Frame Correction is only for MIRI data') self.log.warning('Last frame step will be skipped') result = input_model.copy() result.meta.cal_step.lastframe = 'SKIPPED' return result