python.algorithms.preprocessors.reweighter Namespace Reference

Functions
def	reweighter (process, *args)
	Prepare for reweighting by enabling the runcard option. More...

Function Documentation

reweighter()

def python.algorithms.preprocessors.reweighter.reweighter	(		process,
		*	args
	)

Prepare for reweighting by enabling the runcard option.

Author

James Robinson james.nosp@m..rob.nosp@m.inson.nosp@m.@cer.nosp@m.n.ch

Definition at line 9 of file preprocessors/reweighter.py.

def reweighter(process, *args):
    """! Prepare for reweighting by enabling the runcard option.
 
    @author James Robinson  <james.robinson@cern.ch>
    """
    # Alter/remove runcard options depending on which weighting scheme is being used
    if process.use_XML_reweighting:
        FileParser("powheg.input").text_remove("lhrwgt_descr")
        FileParser("powheg.input").text_remove("lhrwgt_group_combine")
        FileParser("powheg.input").text_remove("lhrwgt_group_name")
        FileParser("powheg.input").text_remove("lhrwgt_id")
        FileParser("powheg.input").text_remove("storeinfo_rwgt")
    else:
        FileParser("powheg.input").text_remove("rwl_add")
        FileParser("powheg.input").text_remove("rwl_file")
        FileParser("powheg.input").text_remove("rwl_format_rwgt")
        FileParser("powheg.input").text_remove("rwl_group_events")
        # Enable #rwgt information lines - these cause Pythia to crash if present in the final output
        FileParser("powheg.input").text_replace("storeinfo_rwgt 0", "storeinfo_rwgt 1")
 
    # Make a copy of the nominal input file
    shutil.copy("powheg.input", "powheg_nominal.input")