TransformXML2JSON.py

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# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 
def transformXML2Json(xmlFile):
    '''
    transforms a Run-2 style configuration xml file into a json file
    '''
 
    # protection in case we start to provide json
    if xmlFile.endswith(".json"):
        return xmlFile
 
    import os
 
    from AthenaCommon.Logging import logging
    msg = logging.getLogger( 'XML2Json' )
 
    msg.info("Attempting to convert %s", xmlFile)
 
    # since there is no path resolver yet
    fullXmlFile = None
    for p in (['./'] + os.environ["XMLPATH"].split(':')):
        if os.path.exists( "%s/%s" % (p, xmlFile) ):
            fullXmlFile = "%s/%s" % (p, xmlFile)
            break
        if os.path.exists( "%s/TriggerMenuXML/%s" % (p, xmlFile) ):
            fullXmlFile = "%s/TriggerMenuXML/%s" % (p, xmlFile)
            break
        if os.path.exists( "%s/TriggerMenuMT/%s" % (p, xmlFile) ):
            fullXmlFile = "%s/TriggerMenuMT/%s" % (p, xmlFile)
            break
 
    if not fullXmlFile:
        msg.error("Did not find file %s", xmlFile)
        return ""
 
    localJsonFile = "./" + xmlFile.rsplit("/",1)[-1].replace(".xml",".json")
    msg.info("Converting %s to %s", fullXmlFile, localJsonFile)
 
    from TrigConfIO.MenuXML2JSONConverter import XML2JsonConverter
    converter = XML2JsonConverter()
    converter.convertFile( fullXmlFile, localJsonFile )
 
    return localJsonFile