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Sample.py
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Sample.py
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import ROOT
import os
from MCReweight import *
class Subsample:
def __init__(self,name,base,namelist=None,type="B", \
downscale=1,filter=None,extension=False,baseweights=1.,mcReweight=None):
self.name = name
if namelist==None or namelist==[ ]:
self.names = [ name ]
if not type.lower()=="d":
nproc = self.getCmgInputStat(base,name)
self.baseweights = [ float(baseweights)/nproc ]
else:
self.baseweights = [ 1. ]
else:
self.names = namelist
self.baseweights = [ ]
bwList = hasattr(baseweights,"__iter__")
if bwList:
assert len(namelist)==len(baseweights)
for i,n in enumerate(namelist):
if not type.lower()=="d":
nproc = self.getCmgInputStat(base,namelist[i])
if bwList:
self.baseweights.append(float(baseweights[i])/nproc)
else:
self.baseweights.append(float(baseweights)/nproc)
else:
self.baseweights.append(1.)
self.base = base
self.type = type
self.downscale = downscale
self.filter = filter
self.file = None
self.fileindex = None
if extension:
self.extweight /= len(namelist)
if mcReweight==None:
self.mcReweight = None
else:
self.mcReweight = EventReweighting(mcReweight[0],mcReweight[1])
# print "Created sample",name,"with",self.names
def getCmgInputStat(self,base,name):
nproc = None
for l in open(base+"/"+name+"/skimAnalyzerCount/SkimReport.txt"):
fields = l[:-1].split()
# if len(fields)==5 and fields[0]=="All" and fields[1]=="Events":
if len(fields)==5 and fields[0]=="Sum" and fields[1]=="Weights":
nproc = float(fields[2])
break
assert nproc!=None
return nproc
def fullname(self,name):
return self.base+"/"+name+"/treeProducerSusySingleLepton/tree.root"
class Sample:
def __init__(self,name,base,namelist=None,title=None,type="B",color=1,fill=False,line=1,hatch=None, \
downscale=1,filter=None,extension=False,kfactor=1.,baseweights=1.,mcReweight=None):
self.name = name
if namelist==None or namelist==[ ]:
self.names = [ name ]
if not type.lower()=="d":
nproc = self.getCmgInputStat(base,name)
self.baseweights = [ float(baseweights)/nproc ]
else:
self.baseweights = [ 1. ]
else:
self.names = namelist
self.baseweights = [ ]
bwList = hasattr(baseweights,"__iter__")
if bwList:
assert len(namelist)==len(baseweights)
for i,n in enumerate(namelist):
if not type.lower()=="d":
nproc = self.getCmgInputStat(base,namelist[i])
if bwList:
self.baseweights.append(float(baseweights[i])/nproc)
else:
self.baseweights.append(float(baseweights)/nproc)
else:
self.baseweights.append(1.)
self.title = title if title!=None else name
self.base = base
self.type = type
self.color = color
self.fill = fill
self.line = line
self.hatch = hatch
self.downscale = downscale
self.filter = filter
self.file = None
self.fileindex = None
self.extweight = kfactor
if extension:
self.extweight /= len(namelist)
if mcReweight==None:
self.mcReweight = None
else:
self.mcReweight = EventReweighting(mcReweight[0],mcReweight[1])
# print "Created sample",name,"with",self.names
def getCmgInputStat(self,base,name):
nproc = None
for l in open(base+"/"+name+"/skimAnalyzerCount/SkimReport.txt"):
fields = l[:-1].split()
if len(fields)==5 and fields[0]=="All" and fields[1]=="Events":
nproc = int(fields[2])
break
assert nproc!=None
return nproc
def fullname(self,name):
return self.base+"/"+name+"/treeProducerSusySingleLepton/tree.root"
def getchain(self,ind=0):
assert ind>=0 and ind<len(self.names)
if self.fileindex==None or self.fileindex!=ind:
if self.file!=None:
self.file.Close()
n = self.names[ind]
self.file = ROOT.TFile(self.fullname(n))
self.fileindex = ind
result = self.file.Get("tree")
return result
def getnextchain(self):
if self.fileindex==None:
ind = 0
else:
ind = self.fileindex + 1
if ind>=len(self.names):
self.file = None
self.fileindex = None
return None
if self.fileindex==None or self.fileindex!=ind:
if self.file!=None:
self.file.Close()
n = self.names[ind]
self.file = ROOT.TFile(self.fullname(n))
self.fileindex = ind
result = self.file.Get("tree")
return result
# result = ROOT.TChain("Events")
# for n in self.names:
# result.Add(self.base+"/"+n+"/*.root")
# print self.name," nr. of chains ",result.GetNtrees()
# return result
def getentries(self,chain):
return range(0,chain.GetEntries(),self.downscale)
def isBackground(self):
return len(self.type)>0 and self.type.lower()[0]=="b"
def isSignal(self):
return len(self.type)>0 and self.type.lower()[0]=="s"
def isData(self):
return len(self.type)>0 and self.type.lower()[0]=="d"