mergeLHE.ExternalCppLHEMerger Class Reference

Inheritance diagram for mergeLHE.ExternalCppLHEMerger:

Public Member Functions
def	__init__ (self, input_files, output_file, **kwargs)
def	merge (self)
Public Member Functions inherited from mergeLHE.BaseLHEMerger
def	__init__ (self, input_files, output_file)

Private Attributes
	_merger_script_url

Additional Inherited Members
Public Attributes inherited from mergeLHE.BaseLHEMerger
	input_files
	output_file

Detailed Description

Use the external mergeLheFiles.cpp file to merge LHE files, as introduced in
https://twiki.cern.ch/twiki/bin/view/CMSPublic/SWGuideSubgroupMC#1_2_Using_pLHE_campaigns

Definition at line 299 of file mergeLHE.py.

Constructor & Destructor Documentation

__init__()

def mergeLHE.ExternalCppLHEMerger.__init__	(		self,
			input_files,
			output_file,
		**	kwargs
	)

Definition at line 304 of file mergeLHE.py.

    def __init__(self, input_files, output_file, **kwargs):
        super(ExternalCppLHEMerger, self).__init__(input_files, output_file)
        self._merger_script_url = \
            'https://twiki.cern.ch/twiki/bin/viewfile/CMSPublic/SWGuideSubgroupMC?filename=mergeLheFiles.cpp;rev=2'
 

Member Function Documentation

merge()

def mergeLHE.ExternalCppLHEMerger.merge

(

self

)

Output the merged LHE

Reimplemented from mergeLHE.BaseLHEMerger.

Definition at line 309 of file mergeLHE.py.

    def merge(self):
        logging.info(
            ('Use the external mergeLheFiles.cpp file to merge LHE files.'))
        os.system('curl -s -o mergeLheFiles.cpp %s' % self._merger_script_url)
        with open('mergeLheFiles.cpp') as f:
            script_str = f.read()
        with open('mergeLheFiles.cpp', 'w') as fw:
            fw.write(script_str.replace('/tmp/covarell/out.lhe', self.output_file))
        with open('input_files.txt', 'w') as fw:
            fw.write('\n'.join(self.input_files) + '\n')
 
        os.system('g++ -Wall -o mergeLheFiles mergeLheFiles.cpp')
        os.system('./mergeLheFiles input_files.txt')
        os.system('rm mergeLheFiles* input_files.txt')
 
 

References mergeLHE.MG5LOLHEMerger._merger_script_url, mergeLHE.ExternalCppLHEMerger._merger_script_url, mergeLHE.BaseLHEMerger.input_files, DTWorkflow.DTWorkflow.input_files, join(), mergeLHE.BaseLHEMerger.output_file, DTT0WireWorkflow.DTT0WireWorkflow.output_file, DTVdriftWorkflow.DTvdriftWorkflow.output_file, and DTTtrigWorkflow.DTttrigWorkflow.output_file.

Member Data Documentation

_merger_script_url

mergeLHE.ExternalCppLHEMerger._merger_script_url

private

Definition at line 306 of file mergeLHE.py.

Referenced by mergeLHE.ExternalCppLHEMerger.merge().