d3pdReaderRootCoreMaker.py

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#!/usr/bin/env python
# $Id: d3pdReaderRootCoreMaker.py 471380 2011-11-29 15:25:42Z krasznaa $
#
# This script can be used to quickly create a RootCore package out of the
# source files generated in a previous step.
#
# @author Attila Krasznahorkay <Attila.Krasznahorkay@cern.ch>
 
# Base module(s):
import sys
import os
import re
 
# Local module(s):
from D3PDMakerReader.Helpers import *
 
 
def main():
 
    # Create a logger object first of all:
    from AthenaCommon.Logging import logging
    logger = logging.getLogger( os.path.splitext( os.path.basename( sys.argv[ 0 ] ) )[ 0 ] )
 
    #
    # Specify the command line options:
    #
    desc = "This script can be used to generate a RootCore package out of the D3PDReader " \
           "sources generated by one of the D3PDReader code generators."
    vers = "$Revision: 471380 $"
    import optparse
    parser = optparse.OptionParser( description = desc,
                                    version = vers,
                                    usage = "%prog [options] <source files>" )
    parser.add_option( "-v", "--verbosity", dest = "verbosity",
                       action = "store", type = "int", default = 3,
                       help = "Message verbosity level" )
    parser.add_option( "-p", "--package-name", dest = "packagename",
                       action = "store", type = "string", default = "D3PDReader",
                       help = "Name for the RootCore package" )
    parser.add_option( "-o", "--output", dest = "output",
                       action = "store", type = "string", default = "./",
                       help = "Output directory for the RootCore package" )
 
    # Parse the command line options:
    ( options, files ) = parser.parse_args()
 
    # Do a small sanity check:
    if not len( files ):
        logger.error( "You have to define at least one source file!" )
        parser.print_help()
        return 255
 
    # Set the default logging level:
    logging.getLogger( "" ).setLevel( options.verbosity )
 
    # Print some welcome message:
    logger.info( "***********************************************************" )
    logger.info( "*            D3PDReader RootCore Package Maker" )
    logger.info( "* Version: $Revision: 471380 $" )
    logger.info( "*" )
    logger.info( "* Output level: " + str( options.verbosity ) )
    logger.info( "* Package name: " + options.packagename )
    logger.info( "* Output directory: " + options.output )
    logger.info( "* Source files: " + ", ".join( files ) )
    logger.info( "***********************************************************" )
 
    # Filter out the header and source files:
    ( header_files, source_files ) = separateSources( files )
    dictionary_header_files = dictionaryHeaders( files )
 
    # Create the package's skeleton:
    if makeRootCorePackageSkeleton( options.output, options.packagename ):
        logger.error( "Failed to create RootCore package skeleton" )
        return 255
 
    # Copy the header files:
    import shutil
    for header in header_files:
        shutil.copy( header, options.output + "/" + options.packagename + \
                     "/" + options.packagename )
        pass
 
    # Copy the source files:
    for source in source_files:
        shutil.copy( source, options.output + "/" + options.packagename + "/Root/" )
        pass
 
    # Transform the include paths in the source files:
    rootcore_sources = [ ( options.output + "/" + options.packagename + "/Root/" + \
                           os.path.basename( source ) ) for source in source_files ]
    for source in rootcore_sources:
        # Read in the file's contents:
        sfile = open( source, "r" )
        cont = sfile.read()
        sfile.close()
 
        # Modify the file's contents:
        cont = re.sub( "#include \"(.*)\"",
                       "#include \"../%s/\g<1>\"" % options.packagename,
                       cont )
 
        # Overwrite the original file:
        sfile = open( source, "w" )
        sfile.write( cont )
        sfile.close()
        pass
 
    # Extract the class names to generate a dictionary for:
    classnames = dictionaryClasses( dictionary_header_files )
 
    # Create the LinkDef file:
    if writeLinkDefFile( options.output + "/" + options.packagename + "/Root/LinkDef.h",
                         classnames,
                         [ ( "../" + options.packagename + "/" + os.path.basename( header ) ) \
                           for header in dictionary_header_files ] ):
        logger.error( "Failed writing RootCore LinkDef.h file" )
        return 255
 
    # Write the ChangeLog, just for fun:
    import datetime
    clog = open( options.output + "/" + options.packagename + "/ChangeLog", "w" )
    clog.write( "%s d3pdReaderRootCoreMaker.py <Attila.Krasznahorkay@cern.ch>\n" % datetime.date.today() )
    clog.write( "\t* Created the package\n" )
    clog.close()
 
    return 0
 
# Execute the main function:
if __name__ == "__main__":
    import sys
    sys.exit( main() )