cmsDriver.py

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#! /usr/bin/env python

# A Pyrelval Wrapper



from threading import Thread

class forkit(Thread):
    def __init__(self):
        Thread.__init__(self)
    def run(self):
        import sys
        import os
        import Configuration.PyReleaseValidation
        from Configuration.PyReleaseValidation.ConfigBuilder import ConfigBuilder, defaultOptions
        from Configuration.PyReleaseValidation.cmsDriverOptions import options, python_config_filename
        
        # after cleanup of all config parameters pass it to the ConfigBuilder
        configBuilder = ConfigBuilder(options, with_output = True, with_input = True)
        configBuilder.prepare()
        
        # fetch the results and write it to file
        if options.python_filename: python_config_filename = options.python_filename
        config = file(python_config_filename,"w")
        config.write(configBuilder.pythonCfgCode)
        config.close()

        # handle different dump options
        if options.dump_python:
            result = {}
            execfile(python_config_filename, result)
            process = result["process"]
            expanded = process.dumpPython()
            expandedFile = file(python_config_filename,"w")
            expandedFile.write(expanded)
            expandedFile.close()
            print "Expanded config file", python_config_filename, "created"
            sys.exit(0)           
  
        if options.no_exec_flag:
            print "Config file "+python_config_filename+ " created"
            sys.exit(0)
        else:
            commandString = options.prefix+" cmsRun"
            print "Starting "+commandString+' '+python_config_filename
            commands = commandString.lstrip().split()
            os.execvpe(commands[0],commands+[python_config_filename],os.environ)
            sys.exit()

import os
current = forkit()
current.start()