import FWCore.ParameterSet.Config as cms

externalLHEProducer = cms.EDProducer("ExternalLHEProducer",
    args = cms.vstring('/cvmfs/cms.cern.ch/phys_generator/gridpacks/UL/13TeV/madgraph/V5_2.6.5/TGJets_4f_ckm_NLO/TGJets_4f_ckm_NLO_slc6_amd64_gcc630_CMSSW_9_3_16_tarball.tar.xz'),
    nEvents = cms.untracked.uint32(5000),
    numberOfParameters = cms.uint32(1),
    outputFile = cms.string('cmsgrid_final.lhe'),
    scriptName = cms.FileInPath('GeneratorInterface/LHEInterface/data/run_generic_tarball_cvmfs.sh'),
    generateConcurrently = cms.untracked.bool(True)
)

# GS fragment

from Configuration.Generator.Pythia8CommonSettings_cfi import *
from Configuration.Generator.MCTunes2017.PythiaCP5Settings_cfi import *
from Configuration.Generator.Pythia8aMCatNLOSettings_cfi import *
from Configuration.Generator.PSweightsPythia.PythiaPSweightsSettings_cfi import *


generator = cms.EDFilter("Pythia8ConcurrentHadronizerFilter",
    maxEventsToPrint = cms.untracked.int32(1),
    pythiaPylistVerbosity = cms.untracked.int32(1),
    filterEfficiency = cms.untracked.double(1.0),
    pythiaHepMCVerbosity = cms.untracked.bool(False),
    comEnergy = cms.double(13000.),
    PythiaParameters = cms.PSet(
        pythia8CommonSettingsBlock,
        pythia8CP5SettingsBlock,
        pythia8aMCatNLOSettingsBlock,
        pythia8PSweightsSettingsBlock,
        processParameters = cms.vstring(
            'TimeShower:nPartonsInBorn = 3', #number of coloured particles (before resonance decays) in born matrix element
        ),
        parameterSets = cms.vstring('pythia8CommonSettings',
                                    'pythia8CP5Settings',
                                    'pythia8PSweightsSettings',
                                    'pythia8aMCatNLOSettings',
                                    'processParameters',
                                    )
    )
)