python.xAODAuxStoreHelper Namespace Reference

Functions
	initBranch (tree, name)
	initStaticStoreBranch (tree, be)

Variables
str	cast_offset_str

Function Documentation

initBranch()

python.xAODAuxStoreHelper.initBranch	(		tree,
			name )

Definition at line 21 of file xAODAuxStoreHelper.py.

def initBranch( tree, name ):
    
    tree.SetBranchStatus( name, ROOT.kTRUE )
    be = tree.GetBranch( name )
    be.GetEntry(0)   # tickle object creation
    values = ROOT.BindObject( ROOT.cast_with_offset( be ), be.GetTypeName() )
    setattr( tree, name, values ) 
    return values
 

initStaticStoreBranch()

python.xAODAuxStoreHelper.initStaticStoreBranch	(		tree,
			be )

Definition at line 30 of file xAODAuxStoreHelper.py.

def initStaticStoreBranch(tree, be):
    be.GetEntry(0)   # tickle object creation
    values = ROOT.BindObject( ROOT.cast_with_offset( be ), be.GetTypeName() )
    setattr( tree, be.GetName(), values ) 
    return values
    

Variable Documentation

cast_offset_str

str python.xAODAuxStoreHelper.cast_offset_str

Initial value:

= """
#include "TBranchElement.h"
 #include "TObjArray.h"
 #include "TStreamerElement.h"
 #include "TStreamerInfo.h"
 
 Long_t cast_with_offset( TBranchElement* be ) {
    Long_t offset = ((TStreamerElement*)be->GetInfo()->GetElements()->At(be->GetID()))->GetOffset();
    return (Long_t)(be->GetObject() + offset);
 } 
"""

Definition at line 6 of file xAODAuxStoreHelper.py.