script_update_with_sbsupdater.scriptUpdatePackagesVersion(aContext, aPreviousVersion, aPreviousUpdaterVersion, aPackagesFolderRootDir, aBatchToolsFolder=None)

aUpdaterPath = aContext.getBatchToolExePath(aBatchTool=sbsenum.BatchToolsEnum.UPDATER, aBatchToolsFolder=aBatchToolsFolder) 
aPresetPackagePath = aContext.getDefaultPackagePath() 
try: 
    aCommand = [aUpdaterPath, '--no-dependency', '--output-path', '{inputPath}', '--output-name', '{inputName}', '--presets-path', aPresetPackagePath] 
    log.info(aCommand) 
 
    aRootDir = os.path.normpath(aPackagesFolderRootDir) 
 
    for root, subFolders, files in os.walk(aRootDir): 
        for aFile in files: 
            if aFile.endswith('.sbs'): 
                aPackagePath = os.path.join(root, aFile) 
                aDoc = substance.SBSDocument(aContext=aContext, aFileAbsPath=aPackagePath) 
                log.info('Parse substance '+aPackagePath) 
                try: 
                    aDoc.parseDoc() 
                except SBSIncompatibleVersionError: 
                    pass 
 
                if aDoc.mFormatVersion == aPreviousVersion and aDoc.mUpdaterVersion == aPreviousUpdaterVersion: 
                    aMutatorCmd = aCommand + ['--input', aPackagePath] 
                    print(aMutatorCmd) 
                    log.info('Update substance '+aPackagePath) 
                    subprocess.check_call(aMutatorCmd) 
 
    log.info('=> All packages have been updated using the Mutator Batch Tool') 
    return True 
 
except BaseException as error: 
    log.error("!!! [demoUpdatePackagesVersion] Failed to update a package") 
    raise error