eventstfile.Events Class Reference

Inheritance diagram for eventstfile.Events:

Public Member Functions
def	__init__
def	__iter__
def	size
def	to

Public Attributes
	file
	tree

Detailed Description

Event list from a tree in a root file.

Definition at line 6 of file eventstfile.py.

Constructor & Destructor Documentation

def eventstfile.Events.__init__	(		self,
			filename,
			treename,
			options = None
	)

Definition at line 9 of file eventstfile.py.

    def __init__(self, filename, treename, options=None):
        self.file = TFile(filename)
        if self.file.IsZombie():
            raise ValueError('file {fnam} does not exist'.format(fnam=filename))
        self.tree = self.file.Get(treename)
        if self.tree == None: # is None would not work
            raise ValueError('tree {tree} does not exist in file {fnam}'.format(
                tree = treename,
                fnam = filename
                ))