Instructions for CMS plot styles:

• https://twiki.cern.ch/twiki/bin/view/CMS/Internal/PubGuidelines
• https://twiki.cern.ch/twiki/bin/view/CMS/Internal/FigGuidelines

To use the ROOT .C macros in pyROOT, the simplest way is:

from ROOT import gROOT

# Set TDR styles
gROOT.LoadMacro("tdrstyle.C")
gROOT.ProcessLine("setTDRStyle();")

# Add CMS text
gROOT.LoadMacro("CMS_lumi.C")
gROOT.ProcessLine("CMS_lumi(c1);")