runTauOnly_run4.py

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#!/usr/bin/env athena.py
# Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
 
# Simple script to run a
# Tau job
#
# Usefull for quick testing of run4 reconstruction using LCTopo jets for tau seeding
# run with
#
# athena runTauOnly_run4.py 
# or
# python runTauOnly_run4.py
 
import sys
 
def tauSpecialContent(flags,cfg):
    from OutputStreamAthenaPool.OutputStreamConfig import outputStreamName
    StreamAOD = cfg.getEventAlgo(outputStreamName("AOD"))
    newList = [x for x in StreamAOD.ItemList if "Tau" in x]
    StreamAOD.ItemList = newList
 
def _run():
    from AthenaConfiguration.AllConfigFlags import initConfigFlags
    flags = initConfigFlags()
    # input
    from AthenaConfiguration.TestDefaults import defaultTestFiles, defaultConditionsTags
    flags.Exec.MaxEvents = 20
    flags.Input.Files = defaultTestFiles.RDO_RUN4
    flags.IOVDb.GlobalTag = defaultConditionsTags.RUN4_MC
    from AthenaConfiguration.Enums import ProductionStep
    flags.Common.ProductionStep = ProductionStep.Reconstruction
 
    # output
    flags.Output.AODFileName = "myAOD.pool.root"
 
    # uncomment given something like export ATHENA_CORE_NUMBER=2
    # flags.Concurrency.NumThreads = 2
 
    # Setup detector flags
    from AthenaConfiguration.DetectorConfigFlags import setupDetectorFlags
    setupDetectorFlags(flags, None, use_metadata=True,
                       toggle_geometry=True, keep_beampipe=True)
 
    # Schedule Tau Reco
    from tauRec.ConfigurationHelpers import StandaloneTauRecoFlags
    StandaloneTauRecoFlags(flags)
    flags.lock()
 
    from RecJobTransforms.RecoSteering import RecoSteering
    acc = RecoSteering(flags)
 
    # keep only tau containers
    tauSpecialContent(flags,acc)
 
    # Special message service configuration
    from DigitizationConfig.DigitizationSteering import DigitizationMessageSvcCfg
    acc.merge(DigitizationMessageSvcCfg(flags))
 
    from AthenaConfiguration.Utils import setupLoggingLevels
    setupLoggingLevels(flags, acc)
 
    # Print reco domain status
    from RecJobTransforms.RecoConfigFlags import printRecoFlags
    printRecoFlags(flags)
 
    # running
    statusCode = acc.run()
 
    return statusCode
 
 
if __name__ == "__main__":
    statusCode = None
    statusCode = _run()
    assert statusCode is not None, "Issue while running"
    sys.exit(not statusCode.isSuccess())