Example #1
0
class XbbRun:

    def __init__(self, opts):

        # get file list
        self.filelist = FileList.decompress(opts.fileList) if len(opts.fileList) > 0 else None
        print "len(filelist)",len(self.filelist),
        if len(self.filelist) > 0:
            print "filelist[0]:", self.filelist[0]
        else:
            print ''

        # config
        self.debug = 'XBBDEBUG' in os.environ
        self.verifyCopy = True
        self.opts = opts
        self.config = BetterConfigParser()
        self.config.read(opts.config)
        self.channel = self.config.get('Configuration', 'channel')

        # load namespace, TODO
        VHbbNameSpace = self.config.get('VHbbNameSpace', 'library')
        ROOT.gSystem.Load(VHbbNameSpace)

        # directories
        self.pathIN = self.config.get('Directories', opts.inputDir)
        self.pathOUT = self.config.get('Directories', opts.outputDir)
        self.tmpDir = self.config.get('Directories', 'scratch')
        print 'INput samples:\t%s'%self.pathIN
        print 'OUTput samples:\t%s'%self.pathOUT

        self.fileLocator = FileLocator(config=self.config)

        # check if given sample identifier uniquely matches a samples from config
        matchingSamples = ParseInfo(samples_path=self.pathIN, config=self.config).find(identifier=opts.sampleIdentifier)
        if len(matchingSamples) != 1:
            print "ERROR: need exactly 1 sample identifier as input with -S !!"
            print matchingSamples
            exit(1)
        self.sample = matchingSamples[0]

        # collections
        self.collections = [x.strip() for x in opts.addCollections.split(',') if len(x.strip()) > 0] if len(opts.addCollections.strip())>0  else []
        if len(self.collections) < 1:
            print "\x1b[31mWARNING: no collections added! Specify the collections to add with the --addCollections option!\x1b[0m"
        print 'collections to add:', self.collections
        self.collections = self.parseCollectionList(self.collections)
        print 'after parsing:', self.collections

        # temorary folder to save the files of this job on the scratch
        temporaryName = self.sample.identifier + '/' + uuid.uuid4().hex

        # input files
        self.subJobs = []
        if opts.join:
            print("INFO: join input files! This is an experimental feature!")

            # translate naming convention of .txt file to imported files after the prep step
            inputFileNamesAfterPrep = [self.fileLocator.getFilenameAfterPrep(x) for x in self.filelist]

            self.subJobs.append({
                'inputFileNames': self.filelist,
                'localInputFileNames': ["{path}/{subfolder}/{filename}".format(path=self.pathIN, subfolder=self.sample.identifier, filename=localFileName) for localFileName in inputFileNamesAfterPrep],
                'outputFileName': "{path}/{subfolder}/{filename}".format(path=self.pathOUT, subfolder=self.sample.identifier, filename=inputFileNamesAfterPrep[0]),
                'tmpFileName': "{path}/{subfolder}/{filename}".format(path=self.tmpDir, subfolder=temporaryName, filename=inputFileNamesAfterPrep[0]),
                })

        else:
            
            # create separate subjob for all files (default!)
            for inputFileName in self.filelist:
                inputFileNamesAfterPrep = [self.fileLocator.getFilenameAfterPrep(inputFileName)]

                self.subJobs.append({
                    'inputFileNames': [inputFileName],
                    'localInputFileNames': ["{path}/{subfolder}/{filename}".format(path=self.pathIN, subfolder=self.sample.identifier, filename=localFileName) for localFileName in inputFileNamesAfterPrep],
                    'outputFileName': "{path}/{subfolder}/{filename}".format(path=self.pathOUT, subfolder=self.sample.identifier, filename=inputFileNamesAfterPrep[0]),
                    'tmpFileName': "{path}/{subfolder}/{filename}".format(path=self.tmpDir, subfolder=temporaryName, filename=inputFileNamesAfterPrep[0]),
                    })

    # lists of single modules can be given instead of a module, "--addCollections Sys.all"
    # [Sys]
    # all = ['Sys.Vtype', 'Sys.Leptons', ...]
    # TODO: make it fully recursive
    def parseCollectionList(self, collections): 
        collectionsListsReplaced = []
        for collection in collections:
            if '.' in collection:
                section = collection.split('.')[0]
                key = collection.split('.')[1]
                listExpression = self.config.get(section, key).strip()
                if listExpression.startswith('[') and listExpression.endswith(']'):
                    listParsed = eval(listExpression)
                    for i in listParsed:
                        collectionsListsReplaced.append(i)
                else:
                    collectionsListsReplaced.append(collection)
            else:
                collectionsListsReplaced.append(collection)
        return collectionsListsReplaced

    # run all subjobs
    def run(self):

        nFilesProcessed = 0
        nFilesFailed = 0

        for subJob in self.subJobs:

            # only process if output is non-existing/broken or --force was used
            if self.opts.force or not self.fileLocator.isValidRootFile(subJob['outputFileName']):

                # create directories
                outputFolder = '/'.join(subJob['outputFileName'].split('/')[:-1])
                tmpFolder = '/'.join(subJob['tmpFileName'].split('/')[:-1])
                self.fileLocator.makedirs(outputFolder)
                self.fileLocator.makedirs(tmpFolder)

                # load sample tree
                sampleTree = SampleTree(subJob['localInputFileNames'], config=self.config)
                if not sampleTree.tree:
                    print "trying fallback...", len(subJob['inputFileNames'])

                    if len(subJob['inputFileNames']) == 1:
                        # try original naming scheme if reading directly from Heppy/Nano ntuples (without prep)
                        fileNameOriginal = self.pathIN + '/' + subJob['inputFileNames'][0]
                        print "FO:", fileNameOriginal
                        xrootdRedirector = self.fileLocator.getRedirector(fileNameOriginal)
                        sampleTree = SampleTree([fileNameOriginal], config=self.config, xrootdRedirector=xrootdRedirector)
                        if not sampleTree.tree:
                            print "\x1b[31mERROR: file does not exist or is broken, will be SKIPPED!\x1b[0m"
                            nFilesFailed += 1
                            continue
                    else:
                        print "\x1b[31mERROR: file does not exist or is broken, will be SKIPPED! (old naming scheme not supported for joining multipel files)\x1b[0m"
                        nFilesFailed += 1
                        continue

                # to use this syntax, use "--addCollections Sys.Vtype" for a config file entry like this:
                # [Sys]
                # Vtype = VtypeCorrector.VtypeCorrector(channel='Zll')
                # (instead of passing the tree in the constructor, the setTree method can be used)
                pyModules = []
                versionTable = []
                for collection in self.collections:
                    if '.' in collection:
                        section = collection.split('.')[0]
                        key = collection.split('.')[1]
                        if self.config.has_section(section) and self.config.has_option(section, key):
                            pyCode = self.config.get(section, key)
                        elif '(' in collection and collection.endswith(')'):
                            print "WARNING: config option", collection, " not found, interpreting it as Python code!"
                            pyCode = collection 
                        else:
                            print "\x1b[31mERROR: config option not found:", collection, ". To specify Python code directly, pass a complete constructor, e.g. --addCollections 'Module.Class()'. Module has to be placed in python/myutils/ folder.\x1b[0m"
                            raise Exception("ConfigError")

                        # import module from myutils
                        moduleName = pyCode.split('(')[0].split('.')[0].strip()
                        if self.debug:
                            print "DEBUG: import module:", moduleName
                            print("\x1b[33mDEBUG: " + collection + ": run PYTHON code:\n"+pyCode+"\x1b[0m")
                        globals()[moduleName] = importlib.import_module(".{module}".format(module=moduleName), package="myutils")

                        # get object
                        wObject = eval(pyCode)

                        # pass the tree and other variables if needed to finalize initialization
                        if hasattr(wObject, "customInit") and callable(getattr(wObject, "customInit")):
                            wObject.customInit({'config': self.config,
                                                'sampleTree': sampleTree,
                                                'tree': sampleTree.tree,
                                                'sample': self.sample,
                                                'channel': self.channel,
                                                'pathIN': self.pathIN,
                                                'pathOUT': self.pathOUT,
                                                })

                        # add callbacks if the objects provides any
                        if hasattr(wObject, "processEvent") and callable(getattr(wObject, "processEvent")):
                            sampleTree.addCallback('event', wObject.processEvent)
                        for cb in ["finish", "prepareOutput"]:
                            if hasattr(wObject, cb) and callable(getattr(wObject, cb)):
                                sampleTree.addCallback(cb, getattr(wObject, cb))

                        # add branches
                        if hasattr(wObject, "getBranches") and callable(getattr(wObject, "getBranches")):
                            sampleTree.addOutputBranches(wObject.getBranches())

                        pyModules.append(wObject)

                        versionTable.append([moduleName, wObject.getVersion() if hasattr(wObject, "getVersion") else 0])
                    else:
                        print "\x1b[31mERROR: config option not found:", collection, " the format should be: [Section].[Option]\x1b[0m"
                        raise Exception("ConfigError")

                for moduleName, moduleVersion in versionTable:
                    print " > {m}:{v}".format(m=moduleName, v=moduleVersion)

                # DEPRECATED, do not use anymore ---> use BranchTools.TreeFormulas()
                if 'addbranches' in self.collections:
                    writeNewVariables = eval(self.config.get("Regression", "writeNewVariablesDict"))
                    sampleTree.addOutputBranches(writeNewVariables)
                
                # DEPRECATED, do not use anymore ---> use BranchTools.Drop()
                if 'removebranches' in self.collections:
                    bl_branch = eval(config.get('Branches', 'useless_branch'))
                    for br in bl_branch:
                        sampleTree.addBranchToBlacklist(br)
                    bl_branch = eval(config.get('Branches', 'useless_after_sys'))
                    for br in bl_branch:
                        sampleTree.addBranchToBlacklist(br)

                # define output file 
                sampleTree.addOutputTree(subJob['tmpFileName'], cut='1', branches='*', friend=self.opts.friend)

                # run processing
                for pyModule in pyModules:
                    if hasattr(pyModule, "beforeProcessing"):
                        getattr(pyModule, "beforeProcessing")()

                sampleTree.process()

                for pyModule in pyModules:
                    if hasattr(pyModule, "afterProcessing"):
                        getattr(pyModule, "afterProcessing")()

                # if output trees have been produced: copy temporary file to output folder
                if sampleTree.getNumberOfOutputTrees() > 0: 
                    try:
                        self.fileLocator.cp(subJob['tmpFileName'], subJob['outputFileName'], force=True)
                        print 'copy ', subJob['tmpFileName'], subJob['outputFileName']

                        if self.verifyCopy:
                            if not self.fileLocator.isValidRootFile(subJob['outputFileName']):
                                print 'INFO: output at final destination broken, try to copy again from scratch disk to final destination...'
                                self.fileLocator.cp(subJob['tmpFileName'], subJob['outputFileName'], force=True)
                                print 'INFO: second attempt copy done!'
                                if not self.fileLocator.isValidRootFile(subJob['outputFileName']):
                                    print '\x1b[31mERROR: output still broken!\x1b[0m'
                                    nFilesFailed += 1
                                    raise Exception("FileCopyError")
                                else:
                                    print 'INFO: file is good after second attempt!'
                    except Exception as e:
                        print e
                        print "\x1b[31mERROR: copy from scratch to final destination failed!!\x1b[0m"

                    # delete temporary file
                    try:
                        self.fileLocator.rm(subJob['tmpFileName'])
                    except Exception as e:
                        print e
                        print "WARNING: could not delete file on scratch!"


                # clean up
                if hasattr(wObject, "cleanUp") and callable(getattr(wObject, "cleanUp")):
                    getattr(wObject, "cleanUp")()

            else:
                print 'SKIP:', subJob['inputFileNames']

        if nFilesFailed > 0:
            raise Exception("ProcessingIncomplete")
Example #2
0
class PartialFileMerger(object):
    def __init__(self,
                 fileNames,
                 chunkNumber,
                 submitTime='000000_000000',
                 force=False,
                 config=None,
                 sampleIdentifier=None):
        self.fileNames = fileNames
        self.debug = 'XBBDEBUG' in os.environ
        self.submitTime = submitTime
        self.chunkNumber = chunkNumber
        self.config = config
        self.fileLocator = FileLocator(config=self.config)
        # -O option (reoptimizing baskets) leads to crashes...
        self.commandTemplate = "hadd -k  -ff {output} {inputs}"
        self.sampleIdentifier = sampleIdentifier
        self.force = force

        # use sampleTree class as replacement for hadd
        self.useChain = True

        treeHashes = []
        for fileName in self.fileNames:
            treeHashes.append(hashlib.sha224(fileName).hexdigest())
        totalHash = hashlib.sha224('-'.join(sorted(treeHashes))).hexdigest()
        self.mergedFileName = '/'.join(
            self.fileNames[0].split('/')[:-4]
        ) + '/' + totalHash + '/' + self.submitTime + '/0000/tree_%d.root' % chunkNumber

    # return a fake name which is written to sample list .txt files in order to keep compatibility to the method of converting file names in .txt
    # files to file names after prep step. This conversion applied to the fake name will give the real file name.
    def getMergedFakeFileName(self):
        return self.mergedFileName

    # real output file name where the file is stored
    def getOutputFileName(self):
        fakeFileName = self.getMergedFakeFileName()
        outputFileName = self.fileLocator.getFilenameAfterPrep(fakeFileName)
        return "{path}/{sample}/{fileName}".format(
            path=self.config.get('Directories', 'HADDout'),
            sample=self.sampleIdentifier,
            fileName=outputFileName)

    def getTemporaryFileName(self):
        fakeFileName = self.getMergedFakeFileName()
        outputFileName = self.fileLocator.getFilenameAfterPrep(fakeFileName)
        return "{path}/hadd/{sample}/{fileName}".format(
            path=self.config.get('Directories', 'scratch'),
            sample=self.sampleIdentifier,
            fileName=outputFileName)

    def run(self):
        inputFileNames = [
            "{path}/{sample}/{fileName}".format(
                path=self.config.get('Directories', 'HADDin'),
                sample=self.sampleIdentifier,
                fileName=self.fileLocator.getFilenameAfterPrep(fileName))
            for fileName in self.fileNames
        ]
        outputFileName = self.getTemporaryFileName()
        self.fileLocator.makedirs('/'.join(outputFileName.split('/')[:-1]))
        command = self.commandTemplate.format(output=outputFileName,
                                              inputs=' '.join(inputFileNames),
                                              f="-f" if self.force else "")
        if self.debug:
            print("DEBUG: run \x1b[34m", command, "\x1b[0m")

        if self.useChain:
            # use sampleTree class (can e.g. drop branches at the same time)
            sampleTree = SampleTree(inputFileNames, config=self.config)

            try:
                removeBranches = eval(
                    self.config.get('General', 'remove_branches'))
                for removeBranch in removeBranches:
                    sampleTree.addBranchToBlacklist(removeBranch)
                    print("DEBUG: disable branch ", removeBranch)
            except Exception as e:
                print("DEBUG: could not disable branch:", e)
            sampleTree.addOutputTree(outputFileName, cut='1', branches='*')
            sampleTree.process()
            result = 0
        else:
            # standard hadd
            result = self.fileLocator.runCommand(command)

        print("INFO: hadd returned ", result)
        if result == 0:
            finalOutputFileName = self.getOutputFileName()
            print("move file to final destination: \x1b[34m",
                  finalOutputFileName, "\x1b[0m")
            self.fileLocator.makedirs('/'.join(
                finalOutputFileName.split('/')[:-1]))
            resultCopy = self.fileLocator.cp(outputFileName,
                                             finalOutputFileName, self.force)
            if not resultCopy:
                print("\x1b[31mERROR: copy failed\n from:", outputFileName,
                      "\n to:", finalOutputFileName, "\n force:", self.force,
                      "\x1b[0m")
                raise Exception("FileCopyError")
            # try to delete temporary file
            try:
                self.fileLocator.rm(outputFileName)
            except Exception as e:
                print("ERROR: could not delete temporary file:",
                      outputFileName, " => ", e)
            print("INFO: done.")
        else:
            raise Exception("HaddError")
Example #3
0
# TODO: 
collections = [x.strip() for x in opts.addCollections.split(',') if len(x.strip()) > 0] if len(opts.addCollections.strip())>0  else []
if len(collections) < 1:
    print "\x1b[31mWARNING: no collections added! Specify the collections to add with the --addCollections option!\x1b[0m"
print 'collections to add:', collections


for fileName in filelist:
    localFileName = fileLocator.getFilenameAfterPrep(fileName)
    inputFileName = "{path}/{subfolder}/{filename}".format(path=pathIN, subfolder=sample.identifier, filename=localFileName)
    outputFileName = "{path}/{subfolder}/{filename}".format(path=pathOUT, subfolder=sample.identifier, filename=localFileName)
    tmpFileName = "{path}/{subfolder}/{filename}".format(path=tmpDir, subfolder=sample.identifier, filename=localFileName)
    outputFolder = '/'.join(outputFileName.split('/')[:-1])
    tmpFolder = '/'.join(tmpFileName.split('/')[:-1])
    fileLocator.makedirs(tmpFolder)
    fileLocator.makedirs(outputFolder)

    if opts.force or not fileLocator.isValidRootFile(outputFileName):
        # load sample tree and initialize vtype corrector
        sampleTree = SampleTree([inputFileName], config=config)
        if not sampleTree.tree:
            # try original naming scheme if reading directly from Heppy/Nano ntuples (without prep)
            fileNameOriginal = pathIN + '/' + fileName
            print "FO:", fileNameOriginal
            xrootdRedirector = fileLocator.getRedirector(fileNameOriginal)
            sampleTree = SampleTree([fileNameOriginal], config=config, xrootdRedirector=xrootdRedirector)
            if not sampleTree.tree:
                print "\x1b[31mERROR: file does not exist or is broken, will be SKIPPED!\x1b[0m"
                continue
Example #4
0
# TODO: 
collections = [x.strip() for x in opts.addCollections.split(',') if len(x.strip()) > 0] if len(opts.addCollections.strip())>0  else []
if len(collections) < 1:
    print "\x1b[31mWARNING: no collections added! Specify the collections to add with the --addCollections option!\x1b[0m"
print 'collections to add:', collections


for fileName in filelist:
    localFileName = fileLocator.getFilenameAfterPrep(fileName)
    
    inputFileName = "{path}/{subfolder}/{filename}".format(path=pathIN, subfolder=sample.identifier, filename=localFileName)
    outputFileName = "{path}/{subfolder}/{filename}".format(path=pathOUT, subfolder=sample.identifier, filename=localFileName)
    tmpFileName = "{path}/{subfolder}/{filename}".format(path=tmpDir, subfolder=sample.identifier, filename=localFileName)
    outputFolder = '/'.join(outputFileName.split('/')[:-1])
    tmpFolder = '/'.join(tmpFileName.split('/')[:-1])
    fileLocator.makedirs(tmpFolder)
    fileLocator.makedirs(outputFolder)

    if not fileLocator.exists(outputFileName) or opts.force:
        # load sample tree and initialize vtype corrector
        sampleTree = SampleTree([inputFileName], config=config)
        if not sampleTree.tree:
            print "\x1b[31mERROR: file does not exist or is broken, will be SKIPPED!\x1b[0m"
            continue

        # lists of single modules can be given instead of a module, "--addCollections Sys.all"
        # [Sys]
        # all = ['Sys.Vtype', 'Sys.Leptons', ...]
        collectionsListsReplaced = []
        for collection in collections:
            if '.' in collection:
Example #5
0
File: hadd.py Project: perrozzi/Xbb
class PartialFileMerger(object):
    def __init__(self, fileNames, chunkNumber, submitTime='000000_000000', force=False, config=None, sampleIdentifier=None):
        self.fileNames = fileNames
        self.debug = 'XBBDEBUG' in os.environ
        self.submitTime = submitTime
        self.chunkNumber = chunkNumber
        self.config = config
        self.fileLocator = FileLocator(config=self.config)
        # -O option (reoptimizing baskets) leads to crashes...
        self.commandTemplate = "hadd -k  -ff {output} {inputs}"
        self.sampleIdentifier = sampleIdentifier
        self.force = force
        
        # use sampleTree class as replacement for hadd
        self.useChain = True

        treeHashes = []
        for fileName in self.fileNames: 
            treeHashes.append(hashlib.sha224(fileName).hexdigest())
        totalHash = hashlib.sha224('-'.join(sorted(treeHashes))).hexdigest()
        self.mergedFileName = '/'.join(self.fileNames[0].split('/')[:-4]) + '/' + totalHash + '/' + self.submitTime + '/0000/tree_%d.root'%chunkNumber

    # return a fake name which is written to sample list .txt files in order to keep compatibility to the method of converting file names in .txt
    # files to file names after prep step. This conversion applied to the fake name will give the real file name.
    def getMergedFakeFileName(self):
        return self.mergedFileName

    # real output file name where the file is stored
    def getOutputFileName(self):
        fakeFileName = self.getMergedFakeFileName()
        outputFileName = self.fileLocator.getFilenameAfterPrep(fakeFileName) 
        return "{path}/{sample}/{fileName}".format(path=self.config.get('Directories','HADDout'), sample=self.sampleIdentifier, fileName=outputFileName)
    
    def getTemporaryFileName(self):
        fakeFileName = self.getMergedFakeFileName()
        outputFileName = self.fileLocator.getFilenameAfterPrep(fakeFileName) 
        return "{path}/hadd/{sample}/{fileName}".format(path=self.config.get('Directories','scratch'), sample=self.sampleIdentifier, fileName=outputFileName)
    
    def run(self):
        inputFileNames = ["{path}/{sample}/{fileName}".format(path=self.config.get('Directories','HADDin'), sample=self.sampleIdentifier, fileName=self.fileLocator.getFilenameAfterPrep(fileName)) for fileName in self.fileNames]
        outputFileName = self.getTemporaryFileName()
        self.fileLocator.makedirs('/'.join(outputFileName.split('/')[:-1]))
        command = self.commandTemplate.format(output=outputFileName, inputs=' '.join(inputFileNames), f="-f" if self.force else "")
        if self.debug:
            print ("DEBUG: run \x1b[34m", command, "\x1b[0m")
        
        if self.useChain:
            # use sampleTree class (can e.g. drop branches at the same time)
            sampleTree = SampleTree(inputFileNames, config=self.config)

            try:
                removeBranches = eval(self.config.get('General', 'remove_branches'))
                for removeBranch in removeBranches:
                    sampleTree.addBranchToBlacklist(removeBranch)
                    print("DEBUG: disable branch ", removeBranch)
            except Exception as e:
                print("DEBUG: could not disable branch:", e)
            sampleTree.addOutputTree(outputFileName, cut='1', branches='*')
            sampleTree.process()
            result = 0
        else:
            # standard hadd
            result = self.fileLocator.runCommand(command)

        print ("INFO: hadd returned ", result)
        if result == 0:
            finalOutputFileName = self.getOutputFileName()
            print("move file to final destination: \x1b[34m", finalOutputFileName, "\x1b[0m")
            self.fileLocator.makedirs('/'.join(finalOutputFileName.split('/')[:-1]))
            resultCopy = self.fileLocator.cp(outputFileName, finalOutputFileName, self.force)
            if not resultCopy:
                print("\x1b[31mERROR: copy failed\n from:", outputFileName, "\n to:", finalOutputFileName, "\n force:", self.force, "\x1b[0m")
                raise Exception("FileCopyError")
            # try to delete temporary file
            try:
                self.fileLocator.rm(outputFileName)
            except Exception as e:
                print("ERROR: could not delete temporary file:", outputFileName, " => ", e)
            print("INFO: done.")
        else:
            raise Exception("HaddError")
Example #6
0
File: sys_new.py Project: GLP90/Xbb
class XbbRun:

    def __init__(self, opts):

        # get file list
        self.filelist = FileList.decompress(opts.fileList) if len(opts.fileList) > 0 else None
        print "len(filelist)",len(self.filelist),
        if len(self.filelist) > 0:
            print "filelist[0]:", self.filelist[0]
        else:
            print ''

        # config
        self.debug = 'XBBDEBUG' in os.environ
        self.verifyCopy = True
        self.opts = opts
        self.config = BetterConfigParser()
        self.config.read(opts.config)
        samplesinfo = self.config.get('Directories', 'samplesinfo')
        self.channel = self.config.get('Configuration', 'channel')

        # load namespace, TODO
        VHbbNameSpace = self.config.get('VHbbNameSpace', 'library')
        ROOT.gSystem.Load(VHbbNameSpace)

        # directories
        self.pathIN = self.config.get('Directories', opts.inputDir)
        self.pathOUT = self.config.get('Directories', opts.outputDir)
        self.tmpDir = self.config.get('Directories', 'scratch')
        print 'INput samples:\t%s'%self.pathIN
        print 'OUTput samples:\t%s'%self.pathOUT

        self.fileLocator = FileLocator(config=self.config)

        # check if given sample identifier uniquely matches a samples from config
        matchingSamples = ParseInfo(samplesinfo, self.pathIN).find(identifier=opts.sampleIdentifier)
        if len(matchingSamples) != 1:
            print "ERROR: need exactly 1 sample identifier as input with -S !!"
            print matchingSamples
            exit(1)
        self.sample = matchingSamples[0]

        # collections
        self.collections = [x.strip() for x in opts.addCollections.split(',') if len(x.strip()) > 0] if len(opts.addCollections.strip())>0  else []
        if len(self.collections) < 1:
            print "\x1b[31mWARNING: no collections added! Specify the collections to add with the --addCollections option!\x1b[0m"
        print 'collections to add:', self.collections
        self.collections = self.parseCollectionList(self.collections)
        print 'after parsing:', self.collections

        # temorary folder to save the files of this job on the scratch
        temporaryName = self.sample.identifier + '/' + uuid.uuid4().hex

        # input files
        self.subJobs = []
        if opts.join:
            print("INFO: join input files! This is an experimental feature!")

            # translate naming convention of .txt file to imported files after the prep step
            inputFileNamesAfterPrep = [self.fileLocator.getFilenameAfterPrep(x) for x in self.filelist]

            self.subJobs.append({
                'inputFileNames': self.filelist,
                'localInputFileNames': ["{path}/{subfolder}/{filename}".format(path=self.pathIN, subfolder=self.sample.identifier, filename=localFileName) for localFileName in inputFileNamesAfterPrep],
                'outputFileName': "{path}/{subfolder}/{filename}".format(path=self.pathOUT, subfolder=self.sample.identifier, filename=inputFileNamesAfterPrep[0]),
                'tmpFileName': "{path}/{subfolder}/{filename}".format(path=self.tmpDir, subfolder=temporaryName, filename=inputFileNamesAfterPrep[0]),
                })

        else:
            
            # create separate subjob for all files (default!)
            for inputFileName in self.filelist:
                inputFileNamesAfterPrep = [self.fileLocator.getFilenameAfterPrep(inputFileName)]

                self.subJobs.append({
                    'inputFileNames': [inputFileName],
                    'localInputFileNames': ["{path}/{subfolder}/{filename}".format(path=self.pathIN, subfolder=self.sample.identifier, filename=localFileName) for localFileName in inputFileNamesAfterPrep],
                    'outputFileName': "{path}/{subfolder}/{filename}".format(path=self.pathOUT, subfolder=self.sample.identifier, filename=inputFileNamesAfterPrep[0]),
                    'tmpFileName': "{path}/{subfolder}/{filename}".format(path=self.tmpDir, subfolder=temporaryName, filename=inputFileNamesAfterPrep[0]),
                    })

    # lists of single modules can be given instead of a module, "--addCollections Sys.all"
    # [Sys]
    # all = ['Sys.Vtype', 'Sys.Leptons', ...]
    # TODO: make it fully recursive
    def parseCollectionList(self, collections): 
        collectionsListsReplaced = []
        for collection in collections:
            if '.' in collection:
                section = collection.split('.')[0]
                key = collection.split('.')[1]
                listExpression = self.config.get(section, key).strip()
                if listExpression.startswith('[') and listExpression.endswith(']'):
                    listParsed = eval(listExpression)
                    for i in listParsed:
                        collectionsListsReplaced.append(i)
                else:
                    collectionsListsReplaced.append(collection)
            else:
                collectionsListsReplaced.append(collection)
        return collectionsListsReplaced

    # run all subjobs
    def run(self):

        nFilesProcessed = 0
        nFilesFailed = 0

        for subJob in self.subJobs:

            # only process if output is non-existing/broken or --force was used
            if self.opts.force or not self.fileLocator.isValidRootFile(subJob['outputFileName']):

                # create directories
                outputFolder = '/'.join(subJob['outputFileName'].split('/')[:-1])
                tmpFolder = '/'.join(subJob['tmpFileName'].split('/')[:-1])
                self.fileLocator.makedirs(outputFolder)
                self.fileLocator.makedirs(tmpFolder)

                # load sample tree
                sampleTree = SampleTree(subJob['localInputFileNames'], config=self.config)
                if not sampleTree.tree:
                    print "trying fallback...", len(subJob['inputFileNames'])

                    if len(subJob['inputFileNames']) == 1:
                        # try original naming scheme if reading directly from Heppy/Nano ntuples (without prep)
                        fileNameOriginal = self.pathIN + '/' + subJob['inputFileNames'][0]
                        print "FO:", fileNameOriginal
                        xrootdRedirector = self.fileLocator.getRedirector(fileNameOriginal)
                        sampleTree = SampleTree([fileNameOriginal], config=self.config, xrootdRedirector=xrootdRedirector)
                        if not sampleTree.tree:
                            print "\x1b[31mERROR: file does not exist or is broken, will be SKIPPED!\x1b[0m"
                            nFilesFailed += 1
                            continue
                    else:
                        print "\x1b[31mERROR: file does not exist or is broken, will be SKIPPED! (old naming scheme not supported for joining multipel files)\x1b[0m"
                        nFilesFailed += 1
                        continue

                # to use this syntax, use "--addCollections Sys.Vtype" for a config file entry like this:
                # [Sys]
                # Vtype = VtypeCorrector.VtypeCorrector(channel='Zll')
                # (instead of passing the tree in the constructor, the setTree method can be used)
                pyModules = []
                for collection in self.collections:
                    if '.' in collection:
                        section = collection.split('.')[0]
                        key = collection.split('.')[1]
                        pyCode = self.config.get(section, key)

                        # import module from myutils
                        moduleName = pyCode.split('(')[0].split('.')[0].strip()
                        if self.debug:
                            print "DEBUG: import module:", moduleName
                            print("\x1b[33mDEBUG: " + collection + ": run PYTHON code:\n"+pyCode+"\x1b[0m")
                        globals()[moduleName] = importlib.import_module(".{module}".format(module=moduleName), package="myutils")

                        # get object
                        wObject = eval(pyCode)

                        # pass the tree and other variables if needed to finalize initialization
                        if hasattr(wObject, "customInit") and callable(getattr(wObject, "customInit")):
                            wObject.customInit({'config': self.config,
                                                'sampleTree': sampleTree,
                                                'tree': sampleTree.tree,
                                                'sample': self.sample,
                                                'channel': self.channel,
                                                'pathIN': self.pathIN,
                                                'pathOUT': self.pathOUT,
                                                })

                        # add callbacks if the objects provides any
                        if hasattr(wObject, "processEvent") and callable(getattr(wObject, "processEvent")):
                            sampleTree.addCallback('event', wObject.processEvent)

                        # add branches
                        if hasattr(wObject, "getBranches") and callable(getattr(wObject, "getBranches")):
                            sampleTree.addOutputBranches(wObject.getBranches())

                        pyModules.append(wObject)

                # DEPRECATED, do not use anymore ---> use BranchTools.TreeFormulas()
                if 'addbranches' in self.collections:
                    writeNewVariables = eval(self.config.get("Regression", "writeNewVariablesDict"))
                    sampleTree.addOutputBranches(writeNewVariables)
                
                # DEPRECATED, do not use anymore ---> use BranchTools.Drop()
                if 'removebranches' in self.collections:
                    bl_branch = eval(config.get('Branches', 'useless_branch'))
                    for br in bl_branch:
                        sampleTree.addBranchToBlacklist(br)
                    bl_branch = eval(config.get('Branches', 'useless_after_sys'))
                    for br in bl_branch:
                        sampleTree.addBranchToBlacklist(br)

                # define output file 
                sampleTree.addOutputTree(subJob['tmpFileName'], cut='1', branches='*', friend=self.opts.friend)

                # run processing
                for pyModule in pyModules:
                    if hasattr(pyModule, "beforeProcessing"):
                        getattr(pyModule, "beforeProcessing")()

                sampleTree.process()

                for pyModule in pyModules:
                    if hasattr(pyModule, "afterProcessing"):
                        getattr(pyModule, "afterProcessing")()

                # if output trees have been produced: copy temporary file to output folder
                if sampleTree.getNumberOfOutputTrees() > 0: 
                    try:
                        self.fileLocator.cp(subJob['tmpFileName'], subJob['outputFileName'], force=True)
                        print 'copy ', subJob['tmpFileName'], subJob['outputFileName']

                        if self.verifyCopy:
                            if not self.fileLocator.isValidRootFile(subJob['outputFileName']):
                                print 'INFO: output at final destination broken, try to copy again from scratch disk to final destination...'
                                self.fileLocator.cp(subJob['tmpFileName'], subJob['outputFileName'], force=True)
                                print 'INFO: second attempt copy done!'
                                if not self.fileLocator.isValidRootFile(subJob['outputFileName']):
                                    print '\x1b[31mERROR: output still broken!\x1b[0m'
                                    nFilesFailed += 1
                                    raise Exception("FileCopyError")
                                else:
                                    print 'INFO: file is good after second attempt!'
                    except Exception as e:
                        print e
                        print "\x1b[31mERROR: copy from scratch to final destination failed!!\x1b[0m"

                    # delete temporary file
                    try:
                        self.fileLocator.rm(subJob['tmpFileName'])
                    except Exception as e:
                        print e
                        print "WARNING: could not delete file on scratch!"


                # clean up
                if hasattr(wObject, "cleanUp") and callable(getattr(wObject, "cleanUp")):
                    getattr(wObject, "cleanUp")()

            else:
                print 'SKIP:', subJob['inputFileNames']

        if nFilesFailed > 0:
            raise Exception("ProcessingIncomplete")