Read.py

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from Configurables import Gaudi__RootCnvSvc as RootCnvSvc
from Configurables import GaudiPersistency
from Configurables import GaudiTesting__GetDataObjectAlg as DataReader
from Gaudi.Configuration import *
 
# Output Levels
# MessageSvc(OutputLevel=VERBOSE)
# IncidentSvc(OutputLevel=DEBUG)
# RootCnvSvc(OutputLevel=INFO)
 
# Input setup
GaudiPersistency()
 
FileCatalog(Catalogs=["xmlcatalog_file:ConditionalOutput.xml"])
 
esel = EventSelector(OutputLevel=INFO, PrintFreq=1, FirstEvent=1)
esel.Input = [
    "DATAFILE='PFN:ConditionalOutput.dst'  SVC='Gaudi::RootEvtSelector' OPT='READ'"
]
 
# Application setup
app = ApplicationMgr()
# - Algorithms
app.TopAlg = [DataReader("DataReader", Paths=["A", "B", "C", "D"], IgnoreMissing=True)]
# - Events
app.EvtMax = -1
app.EvtSel = esel
app.HistogramPersistency = "NONE"