EvtColRead.py

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#!/usr/bin/env python3
 
"""
*******************************************************************************
*                                                                             *
* Simple example which illustrate the usage of useful                         *
* algorithm  base class for N-Tuple manipulations                             *
*                                                                             *
*******************************************************************************
"""
# =============================================================================
__author__ = "Vanya BELYAEV Ivan.Belyaev@lapp.in2p3.fr"
# =============================================================================
 
import GaudiPython
 
SUCCESS = GaudiPython.SUCCESS
 
# =============================================================================
# job configuration
# =============================================================================
 
 
def configure(gaudi=None):
    """Configuration of the job"""
 
    gaudi.HistogramPersistency = "ROOT"
 
    gaudi.DLLs += [
        "GaudiAlg",
        "RootHistCnv",
    ]
    gaudi.ExtSvc += ["TagCollectionSvc/EvtTupleSvc"]
 
    evtSel = gaudi.evtSel()
    evtSel.open("PFN:EvtTags1.root", collection="Fill/COL1", sel="binom==6")
 
    gaudi.config()
 
    return SUCCESS
 
 
# =============================================================================
# The actual job excution
# =============================================================================
if "__main__" == __name__:
    print(__doc__)
    # configuration (options)
    from Configurables import ApplicationMgr, FileCatalog, GaudiPersistency
 
    GaudiPersistency()
    ApplicationMgr().ExtSvc.append(
        FileCatalog(Catalogs=["xmlcatalog_file:EvtColsEx.xml"])
    )
    # execution
    gaudi = GaudiPython.AppMgr()
    configure(gaudi)
    gaudi.run(-1)
    gaudi.exit()