ValidateTausOnZTTFastSim_cff.py

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import FWCore.ParameterSet.Config as cms
import Validation.RecoTau.ValidationUtils as Utils
from Validation.RecoTau.RecoTauValidation_cfi import ApplyFunctionToSequence, SetValidationExtention
import PhysicsTools.PatAlgos.tools.helpers as helpers

proc = cms.Process('helper')

proc.load('Validation.RecoTau.dataTypes.ValidateTausOnZTT_cff')# import *

procAttributes = dir(proc) #Takes a snapshot of what there in the process
helpers.cloneProcessingSnippet( proc, proc.TauValNumeratorAndDenominatorZTT, 'FastSim') #clones the sequence inside the process with ZTT postfix
helpers.cloneProcessingSnippet( proc, proc.TauEfficienciesZTT, 'FastSim') #clones the sequence inside the process with ZTT postfix
proc.produceDenominatorZTTFastSim = helpers.cloneProcessingSnippet( proc, proc.produceDenominatorZTT, 'FastSim')

#adds to TauValNumeratorAndDenominator modules in the sequence FastSim to the extention name
zttLabeler = lambda module : SetValidationExtention(module, 'FastSim')
zttModifier = ApplyFunctionToSequence(zttLabeler)
proc.TauValNumeratorAndDenominatorZTTFastSim.visit(zttModifier)

#Sets the correct naming to efficiency histograms
proc.efficienciesZTTFastSim.plots = Utils.SetPlotSequence(proc.TauValNumeratorAndDenominatorZTTFastSim)

#checks what's new in the process (the cloned sequences and modules in them)
newProcAttributes = filter( lambda x: (x not in procAttributes) and (x.find('FastSim') != -1), dir(proc) )

#spawns a local variable with the same name as the proc attribute, needed for future process.load
for newAttr in newProcAttributes:
    locals()[newAttr] = getattr(proc,newAttr)

produceDenominator = cms.Sequence(produceDenominatorZTTFastSim)

runTauValidationBatchMode = cms.Sequence(
      produceDenominatorZTTFastSim
      +TauValNumeratorAndDenominatorZTTFastSim
      )

runTauValidation = cms.Sequence(
      runTauValidationBatchMode
      +TauEfficienciesZTTFastSim
      )