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#!/usr/bin/env python
"""
_relvalgen_

Scenario supporting RelVal GEN production

"""

import os
import sys

from Configuration.DataProcessing.Scenario import Scenario
import FWCore.ParameterSet.Config as cms
from Configuration.PyReleaseValidation.ConfigBuilder import ConfigBuilder
from Configuration.PyReleaseValidation.ConfigBuilder import Options
from Configuration.PyReleaseValidation.ConfigBuilder import defaultOptions
from Configuration.PyReleaseValidation.ConfigBuilder import installFilteredStream

class relvalgen(Scenario):
    """
    _relvalgen_

    Implement configuration building for RelVal GEN production 

    """


    def dqmHarvesting(self, datasetName, runNumber, globalTag, **args):
        """
        _dqmHarvesting_

        DQM Harvesting for RelVal GEN production

        """
        options = defaultOptions
        options.scenario = "pp"
        options.step = "HARVESTING:genHarvesting"
        options.isMC = True
        options.isData = False
        options.beamspot = None
        options.eventcontent = None
        options.name = "EDMtoMEConvert"
        options.conditions = "FrontierConditions_GlobalTag,%s" % globalTag
        options.arguments = ""
        options.evt_type = ""
        options.filein = []
        options.harvesting = "AtJobEnd"
 
        process = cms.Process("HARVESTING")
        process.source = cms.Source("PoolSource")
        configBuilder = ConfigBuilder(options, process = process)
        configBuilder.prepare()

        #
        # customise process for particular job
        #
        process.source.processingMode = cms.untracked.string('RunsAndLumis')
        process.source.fileNames = cms.untracked(cms.vstring())
        process.maxEvents.input = -1
        process.dqmSaver.workflow = datasetName
        if args.has_key('referenceFile') and args.get('referenceFile', ''):
            process.DQMStore.referenceFileName = \
                                cms.untracked.string(args['referenceFile'])
        
        return process