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Add error exceptions for empty input lists. #65

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Sep 17, 2018
Merged

Add error exceptions for empty input lists. #65

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5 changes: 5 additions & 0 deletions python/lsst/pipe/drivers/constructCalibs.py
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Original file line number Diff line number Diff line change
Expand Up @@ -111,6 +111,8 @@ def run(self, sensorRefList, expScales=None, finalScale=None, inputName="postISR
stats = afwMath.StatisticsControl(self.config.clip, self.config.nIter,
afwImage.Mask.getPlaneBitMask(self.config.mask))
numImages = len(sensorRefList)
if numImages < 1:
raise RuntimeError("No valid input data")
if numImages < self.config.stats.maxVisitsToCalcErrorFromInputVariance:
stats.setCalcErrorFromInputVariance(True)

Expand Down Expand Up @@ -427,6 +429,9 @@ def runDataRef(self, expRefList, butler, calibId):
@param butler Data butler
@param calibId Identifier dict for calib
"""
if len(expRefList) < 1:
raise RuntimeError("No valid input data")

for expRef in expRefList:
self.addMissingKeys(expRef.dataId, butler, self.config.ccdKeys, 'raw')

Expand Down