python.Events Class Reference

## Events

More...

Public Member Functions
def	__del__
def	__init__
def	__iter__
def	eventAuxiliary
def	fileIndex
def	fileIndicies
def	getByLabel
def	object
def	secondaryFileIndex
def	size
def	to
def	toBegin

Private Member Functions
def	_createFWLiteEvent
def	_next
def	_parseOptions
	Private Member Functions ##. More...
def	_toBeginCode

Private Attributes
	_event
	_eventCounts
	_filenames
	_forceEvent
	_maxEvents
	Parse optional arguments ##. More...
	_mode
	_secondaryFilenames
	_tfile
	_toBegin
	_veryFirstTime

Detailed Description

## Events

Python interface to FWLite ChainEvent class

Definition at line 458 of file __init__.py.

Constructor & Destructor Documentation

def python.Events.__init__	(		self,
			inputFiles = '',
			kwargs
	)

inputFiles    => Either a single filename or a list of filenames
Optional arguments:
forceEvent  => Use fwlite::Event IF there is only one file
maxEvents   => Maximum number of events to process

Definition at line 461 of file __init__.py.

    def __init__(self, inputFiles = '', **kwargs):
        """inputFiles    => Either a single filename or a list of filenames
        Optional arguments:
        forceEvent  => Use fwlite::Event IF there is only one file
        maxEvents   => Maximum number of events to process
        """        
        self._veryFirstTime      = True
        self._event              = 0
        self._eventCounts        = 0
        self._maxEvents          = 0
        self._forceEvent         = False
        self._mode               = None
        self._secondaryFilenames = None
        if isinstance (inputFiles, list):
            # it's a list
            self._filenames = inputFiles[:]
        elif isinstance (inputFiles, VarParsing):
            # it's a VarParsing object
            options = inputFiles
            self._maxEvents           = options.maxEvents
            self._filenames           = options.inputFiles
            self._secondaryFilenames  = options.secondaryInputFiles
        else:
            # it's probably a single string
            self._filenames = [inputFiles]
        ##############################
        ## Parse optional arguments ##
        ##############################
        if 'maxEvents' in kwargs:
            self._maxEvents = kwargs['maxEvents']
            del kwargs['maxEvents']
        if 'forceEvent' in kwargs:
            self._forceEvent = kwargs['forceEvent']
            del kwargs['forceEvent']
        if 'options' in kwargs:
            options = kwargs ['options']
            self._maxEvents           = options.maxEvents
            self._filenames           = options.inputFiles
            self._secondaryFilenames  = options.secondaryInputFiles
            del kwargs['options']
        # Since we deleted the options as we used them, that means
        # that kwargs should be empty.  If it's not, that means that
        # somebody passed in an argument that we're not using and we
        # should complain.
        if len (kwargs):
            raise RuntimeError("Unknown arguments %s" % kwargs)
        if not self._filenames:
            raise RuntimeError("No input files given")