ConfUser.py

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from GaudiKernel.Configurable import ConfigurableUser
 
 
class GaudiPersistency(ConfigurableUser):
    """Configurable to enable ROOT-based persistency.
 
    Note: it requires Gaudi::RootCnvSvc (package RootCnv).
    """
 
    __slots__ = {}
 
    def __apply_configuration__(self):
        """Apply low-level configuration"""
        # aliased names
        from Configurables import (
            ApplicationMgr,
            EventPersistencySvc,
            FileCatalog,
            FileRecordDataSvc,
            IODataManager,
            PersistencySvc,
            RootCnvSvc,
        )
 
        cnvSvcs = [RootCnvSvc()]
        EventPersistencySvc().CnvServices += cnvSvcs
        PersistencySvc("FileRecordPersistencySvc").CnvServices += cnvSvcs
        app = ApplicationMgr()
        app.SvcOptMapping += [FileCatalog(), IODataManager(), RootCnvSvc()]
        app.ExtSvc += [FileRecordDataSvc()]