createSimpleDistributions.py

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# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 
from __future__ import print_function
 
# External dependencies
import ROOT
import sys
import argparse
import os.path
 
# Control switch
IsDebug = False
 
 
 
parser = argparse.ArgumentParser(description='Create distributions for many variables and save them in a ROT file')
 
parser.add_argument('inputFile', type=str)
parser.add_argument('outputFile', type=str, default="")
parser.add_argument('--treeName', type=str, default="physics")
parser.add_argument('--binDic', type=str, default="")
parser.add_argument('-b' , '--saveBinning',  action='store_true') 
parser.add_argument('-pdf' , '--savePDF',  action='store_true')
parser.add_argument('--branchPattern', type=str, default=["jet_","MET_"], nargs='*')
parser.add_argument('--histoType', type=str, default="leadingJetSel")
 
args = parser.parse_args()
 
 
 
 
inFileList = args.inputFile.split(',')
 
print ("inFileList ", inFileList)
print ('outputFile', args.outputFile)
 
inChain = ROOT.TChain(args.treeName)
 
for f in inFileList:
    inChain.AddFile(f)
tree = inChain
 
 
 
 
from JetValidation.D3PDHistoBuildLib import HistoBuilderFromD3PD,isSupportedType, JetType
 
builder = HistoBuilderFromD3PD(tree)
 
patterns = args.branchPattern
 
def addAllHistos( aBranch ):
    if isSupportedType(tree.GetBranchType(aBranch)):
        builder.addHistos(aBranch)
def addleadinJetSelectorHistos( aBranch ):
    if ("LC" in aBranch or "EM"  in aBranch) and isSupportedType(tree.GetBranchType(aBranch)):
        builder.addHistosWithLeadingJetSelectors( JetType(aBranch), aBranch )
 
if args.histoType == "leadingJetSel":    
    histoAdder = addleadinJetSelectorHistos
else:
    histoAdder = addAllHistos
    
print ("Adding branches...")
for aBranch in sorted(tree.GetSetOfTreeBranchNames()):
    
    if any( aBranch.startswith( p ) for p in patterns):
        histoAdder( aBranch)
        
if args.binDic :
    if os.path.exists(args.binDic):
        builder.readHistoBins( args.binDic )
    else:
        print ("ERROR : requested to read binning from non existent file : ", args.binDic)
        exit(2)
 
        
print ("\nRunning event loop...")
builder.eventLoop()
print ("Done event loop!")
 
 
builder.saveHistos(args.outputFile)
if args.savePDF:
    print ("Building a structured pdf...")
    builder.dumpStructuredPDF(args.outputFile.replace('.root','.pdf'))
if args.saveBinning:
    print ("Saving histo binning...")
    builder.saveHistoBins(args.outputFile.replace('.root','.pck'))
 
#inChain.Close()