xAODRootTest.Analysis Class Reference

Collaboration diagram for xAODRootTest.Analysis:

Public Member Functions
def	__init__ (self, ifname, ofname=None)
def	add (self, alg)
def	run (self, n=None)
def	finalize (self)

Public Attributes
	algs
	f
	event
	tree
	fout

Detailed Description

Definition at line 387 of file xAODRootTest.py.

Constructor & Destructor Documentation

__init__()

def xAODRootTest.Analysis.__init__	(		self,
			ifname,
			ofname = None
	)

Definition at line 388 of file xAODRootTest.py.

    def __init__ (self, ifname, ofname = None):
        self.algs = []
        self.f = ROOT.TFile (ifname)
        self.event = ROOT.xAOD.TEvent (ROOT.xAOD.TEvent.kAthenaAccess)
        CHECK (self.event.readFrom (self.f, True, 'CollectionTree'))
        self.tree = ROOT.xAOD.MakeTransientTree(self.event, 'CollectionTree')
        self.fout = None
        if ofname:
            self.fout = ROOT.TFile.Open (ofname, 'recreate')
            CHECK (self.event.writeTo (self.fout))
        return
 

Member Function Documentation

add()

def xAODRootTest.Analysis.add	(		self,
			alg
	)

Definition at line 400 of file xAODRootTest.py.

    def add (self, alg):
        self.algs.append (alg)
        return
 

finalize()

def xAODRootTest.Analysis.finalize

(

self

)

Definition at line 417 of file xAODRootTest.py.

    def finalize (self):
        if self.fout:
            CHECK (self.event.finishWritingTo (self.fout))
        return
    
    

run()

def xAODRootTest.Analysis.run	(		self,
			n = None
	)

Definition at line 404 of file xAODRootTest.py.

    def run (self, n=None):
        nent = self.tree.GetEntries()
        if n != None:
            nent = min (n, nent)
        for i in range(nent):
            self.tree.GetEntry(i)
            print ('---> Event', i)
            for a in self.algs:
                a.execute (self.tree, self.event)
            if self.fout != None:
                self.event.fill()
        return
 

Member Data Documentation

algs

xAODRootTest.Analysis.algs

Definition at line 389 of file xAODRootTest.py.

event

xAODRootTest.Analysis.event

Definition at line 391 of file xAODRootTest.py.

f

xAODRootTest.Analysis.f

Definition at line 390 of file xAODRootTest.py.

fout

xAODRootTest.Analysis.fout

Definition at line 394 of file xAODRootTest.py.

tree

xAODRootTest.Analysis.tree

Definition at line 393 of file xAODRootTest.py.

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The documentation for this class was generated from the following file:

• xAODRootTest.py