Herwig7_TheP8I.py

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assert hasattr(genSeq, "Herwig7")
 
#The path is hardcoded, exactly in a way that is done for OpenLoops
try:
# This should be a prefix      
      TheP8I_path=os.environ['THEP8I_PATH']
except KeyError:
      raise RuntimeError("THEP8I_PATH environment variable not set")
os.environ["LD_LIBRARY_PATH"]=TheP8I_path+"/lib64/ThePEG"+":"+TheP8I_path+"/lib/ThePEG"+":"+os.environ["LD_LIBRARY_PATH"]
 
try:
      TheP8I_PYTHIA8DATA=os.environ['PYTHIA8DATA']
except KeyError:
      raise RuntimeError("PYTHIA8DATA environment variable not set")
os.environ['PYTHIA8DATA']=TheP8I_PYTHIA8DATA
 
 
 
Herwig7Config.add_commands("""
mkdir /TheP8I
create TheP8I::StringFragmentation  /TheP8I/Handlers/StringFrag/StringFragmenter    libTheP8I.so
create TheP8I::TheP8IStrategy  /TheP8I/StdStrategy  libTheP8I.so
cd /Herwig/Generators
set EventGenerator:EventHandler:HadronizationHandler /TheP8I/Handlers/StringFrag/StringFragmenter
set EventGenerator:Strategy /TheP8I/StdStrategy
""")