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#!/usr/bin/env python
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import sys, getopt, string
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import imp
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import os
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from ProdCommon.CMSConfigTools.ConfigAPI.CfgInterface import CfgInterface
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from FWCore.ParameterSet.DictTypes import SortedKeysDict
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from FWCore.ParameterSet.Modules import Service
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from FWCore.ParameterSet.Types import *
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from FWCore.ParameterSet.Config import include
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import FWCore.ParameterSet.Types as CfgTypes
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import FWCore.ParameterSet.Modules as CfgModules
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def main(argv) :
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"""
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writeCfg
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- Read in existing, user supplied cfg or pycfg file
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- Modify job specific parameters based on environment variables
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- Write out modified cfg or pycfg file
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required parameters: none
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optional parameters:
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--help : help
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--debug : debug statements
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"""
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# defaults
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maxEvents = 0
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skipEvents = 0
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inputFileNames = None
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debug = False
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try:
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opts, args = getopt.getopt(argv, "", ["debug", "help","inputFiles=","maxEvents=","skipEvents="])
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except getopt.GetoptError:
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print main.__doc__
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sys.exit(2)
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# Parse command line parameters
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for opt, arg in opts :
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if opt == "--help" :
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print main.__doc__
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sys.exit()
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elif opt == "--debug" :
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debug = True
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elif opt == "--maxEvents":
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maxEvents = int(arg)
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elif opt == "--skipEvents":
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skipEvents = int(arg)
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elif opt == "--inputFiles":
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inputFiles = arg
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inputFiles = inputFiles.replace('\\','')
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inputFiles = inputFiles.replace('"','')
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inputFileNames = inputFiles.split(',')
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# Parse remaining parameters
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fileName = args[0];
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outFileName = args[1];
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# Input cfg or python cfg file
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if (fileName.endswith('py') or fileName.endswith('pycfg') ):
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handle = open(fileName, 'r')
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try: # Nested form for Python < 2.5
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try:
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cfo = imp.load_source("pycfg", fileName, handle)
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except Exception, ex:
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msg = "Your pycfg file is not valid python: %s" % str(ex)
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raise "Error: ",msg
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finally:
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handle.close()
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cfg = CfgInterface(cfo.process)
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else:
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try:
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cfo = include(fileName)
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cfg = CfgInterface(cfo)
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except Exception, ex:
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msg = "The cfg file is not valid, %s\n" % str(ex)
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raise "Error: ",msg
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# Set parameters for job
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inModule = cfg.inputSource
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cfg.maxEvents.setMaxEventsInput(maxEvents)
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inModule.setSkipEvents(skipEvents)
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if (inputFileNames):
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inModule.setFileNames(*inputFileNames)
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# Write out new config file
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outFile = open(outFileName,"w")
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outFile.write("import FWCore.ParameterSet.Config as cms\n")
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outFile.write(cfo.dumpPython())
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outFile.close()
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if (debug):
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print "writeCfg output:"
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print "import FWCore.ParameterSet.Config as cms"
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print cfo.dumpPython()
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if __name__ == '__main__' :
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exit_status = main(sys.argv[1:])
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sys.exit(exit_status)
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