prepareCanvasesWithHistograms.py

#!/usr/bin/env python3
 
 
 
import basf2 as b2
import sys
argv = sys.argv
 
if len(argv) < 3:
    print()
    print('v 1.0 / Feb. 7, 2021 / by your colleague')
    print()
    print('This script processes histograms from selected (or all) branches/folders and prepares canvases')
    print()
    print('To make this script work, first build dqm package b2code-package-add daq; scons')
    print()
    print('For more information see https://xwiki.desy.de/xwiki/rest/p/a331d')
    print()
    print(f'Usage: {argv[0]} input_filename output_filename')
    print()
    exit(1)
 
b2.set_log_level(b2.LogLevel.INFO)
 
# Create main path
main = b2.create_path()
 
# Modules
inroot = b2.register_module('DQMHistAnalysisInputRootFile')
inroot.param('InputRootFile', argv[1])
 
# you can select which branches/folders to process, leave blank to process all branches/folders
# inroot.param('SelectFolders', ['TRGTOP'])
 
# you can select which histograms to process, leave blank to include all
# inroot.param('SelectHistograms', ['TRGTOP/h_*'])
 
main.add_module(inroot)
main.add_module("DQMHistAutoCanvas")  # Plot all Histo from Input
 
outroot = b2.register_module('DQMHistAnalysisOutputFile')
 
outroot.param('SaveHistos', False)  # don't save histograms
outroot.param('SaveCanvases', True)  # save canvases
 
outroot.param('HistoFile', argv[2])
main.add_module(outroot)
 
b2.print_path(main)
 
# Process all events
b2.process(main)