simple.py

#!/usr/bin/env python

import FWCore.ParameterSet.Config as cms


process = cms.Process("FFWDISPLAY")

from RecoMET.METProducers.METSigParams_cfi import *

process.source = cms.Source(  "PoolSource",
fileNames=cms.untracked.vstring('http://fireworks.web.cern.ch/fireworks/7/Single                                                     Electron.root')
)

process.load("Configuration.StandardSequences.FrontierConditions_GlobalTag_cff")
# from Configuration.PyReleaseValidation.autoCond import autoCond
from Configuration.AlCa.autoCond import autoCond

process.GlobalTag.globaltag =  autoCond['startup']



process.xxxmet = cms.EDProducer(
 "CaloMETProducer",
 METSignificance_params,
 src = cms.InputTag("towerMaker"),
 METType = cms.string('XXXCaloMET'),
 alias = cms.string('XXXRawCaloMET'),
 noHF = cms.bool(False),
 globalThreshold = cms.double(0.3),
 InputType = cms.string('CandidateCollection'),
 calculateSignificance = cms.bool(True)
 )

process.p = cms.Path(process.xxxmet)