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#!/usr/bin/env python
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#===================================================================================================
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import sys, getopt, os, fnmatch, commands
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import string
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# declare
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setupCmsswCommand = \
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'cd /home/$USER/cms/cmssw/017/CMSSW_3_9_5_patch1/src;eval `scram runtime -sh`;cd - >& /dev/null;'
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#===================================================================================================
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def usage():
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print "possible options are: --help, --InputPath=<myInputPath>, --OutputPath=<myOutputPath>," \
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+ " --FilenameHeader=<myFileHeader>, --DatasetListFile=<datasetListFile>"
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#===================================================================================================
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def filesExist(path,filenameExpression):
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exists = False
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for fileName in os.listdir(path):
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if fnmatch.fnmatch (fileName,filenameExpression):
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exists = True
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return exists
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#===================================================================================================
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# Merge Filesets
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#===================================================================================================
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def MergeFilesets(versionList,datasetNameList,skimNameList,inputPath,outputPath,filenameHeader):
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n = 0
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for dataset in datasetNameList:
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#print "================================================================"
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print " Merging files for dataset: " + dataset
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# create the output directory in case it is not yet there
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command = 'mkdir -p ' + outputPath
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os.system(command)
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outputMergedFilename = filenameHeader + '_' + dataset + '_' + skimNameList[n] + '.root'
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inputFilenameRegExp = filenameHeader + '_' + dataset + '_' + skimNameList[n] + '_????.root'
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command = setupCmsswCommand + 'hadd -f ' + outputPath + outputMergedFilename \
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+ ' ' + inputPath + '/' + versionList[n] + '/' + dataset + '/' \
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+ inputFilenameRegExp + ' >& ./merging.tmp'
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# command = 'hadd -f ' + outputPath + \
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# outputMergedFilename + ' ' + inputPath + inputFilenameRegExp + \
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# ' >& ./merging.tmp'
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if (filesExist(inputPath+'/'+versionList[n]+'/'+dataset,inputFilenameRegExp) == True):
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if (os.path.exists(outputPath+outputMergedFilename)):
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print " Warning: merged file already exists. It will be deleted.\n " + \
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outputPath+outputMergedFilename
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os.system('rm ' + outputPath+outputMergedFilename)
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#print ' merging: ' + command
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os.system(command)
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#print ''
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else:
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print " Warning: No files for dataset " + dataset + "\n at the location: " + inputPath \
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+ '/' + versionList[n] + '/' + dataset + '/' + inputFilenameRegExp
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#print ''
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n += 1
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#===================================================================================================
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# Main Program
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#===================================================================================================
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datasetListFile = ''
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inputPath = ''
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outputPath = ''
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filenameHeader = ''
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versionList = list()
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datasetNameList = list()
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skimNameList = list()
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if len(sys.argv[1:]) < 1:
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print "Error: not enough parameters specified"
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usage()
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sys.exit()
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try:
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opts, args = getopt.getopt(sys.argv[1:], "hi:o:f:d:",
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["help","InputPath=","OutputPath=",
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"FilenameHeader=","DatasetListFile="])
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for o, a in opts:
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if o in ("-h", "--help"):
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usage()
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sys.exit()
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elif o in ("-i", "--InputPath"):
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inputPath = a + "/"
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elif o in ("-o", "--OutputPath"):
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outputPath = a + "/"
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elif o in ("-f", "--FilenameHeader"):
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filenameHeader = a
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elif o in ("-d", "--DatasetListFile"):
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datasetListFile = a
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else:
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usage()
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sys.exit()
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except getopt.GetoptError:
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usage()
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sys.exit(2)
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if (inputPath == ''):
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print "Error: No InputPath specified."
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sys.exit()
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if (outputPath == ''):
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print "Error: No OutputPath specified."
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sys.exit()
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if (filenameHeader == ''):
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print "Error: No FilenameHeader specified."
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sys.exit()
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if (datasetListFile == ''):
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print "Error: No dataset list file specified."
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sys.exit()
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try:
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inputFile = open(datasetListFile,"r")
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except IOError:
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print "Error: The specified dataset list file " + datasetListFile + " could not be opened."
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sys.exit()
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#===================================================================================================
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# Read in list of datasets and skim names
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#===================================================================================================
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lineNumber = 1
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templine = inputFile.readline()
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while len(templine.split()) > 0:
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# ignore commented lines
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if (templine[0] == '#'):
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templine = inputFile.readline()
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lineNumber += 1
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continue;
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# check what type of list was provided and assume 'noskim' as default
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if (len(templine.split()) == 7) :
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tempInputList = templine.split()
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versionList .append(tempInputList[0])
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datasetNameList.append(tempInputList[1])
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skimNameList .append('noskim')
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lineNumber += 1
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else:
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print " ERROR: incorrect format for cross section file. Check line %s" % lineNumber
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sys.exit()
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# read the next line
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templine = inputFile.readline()
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inputFile.close()
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# Check the list of variables
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count = 0
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for l in datasetNameList:
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count += 1
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MergeFilesets(versionList,datasetNameList,skimNameList,inputPath,outputPath,filenameHeader)
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