MTRead.py

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from Configurables import Gaudi__RootCnvSvc as RootCnvSvc
from Configurables import (
    AlgResourcePool,
    GaudiPersistency,
    HiveSlimEventLoopMgr,
    HiveWhiteBoard,
    ReadAlg,
)
from Gaudi.Configuration import *
 
# I/O
GaudiPersistency()
FileCatalog(Catalogs=["xmlcatalog_file:ROOTIO.xml"])
esel = EventSelector(OutputLevel=DEBUG, PrintFreq=50, FirstEvent=1)
esel.Input = [
    "DATAFILE='PFN:ROOTIO.dst'  SVC='Gaudi::RootEvtSelector' OPT='READ'",
    "DATAFILE='PFN:ROOTIO.mdst' SVC='Gaudi::RootEvtSelector' OPT='READ'",
]
 
readAlg = ReadAlg(OutputLevel=VERBOSE)
 
algResourcePool = AlgResourcePool(OutputLevel=INFO)
slimeventloopmgr = HiveSlimEventLoopMgr(
    SchedulerName="AvalancheSchedulerSvc", OutputLevel=INFO
)
whiteboard = HiveWhiteBoard("EventDataSvc")
app = ApplicationMgr(
    EvtMax=2000,
    HistogramPersistency="NONE",
    EventLoop=slimeventloopmgr,
    ExtSvc=[algResourcePool, whiteboard],
    TopAlg=[readAlg],
)
RootCnvSvc(OutputLevel=INFO)