File indexing completed on 2024-04-06 12:23:29
0001 from __future__ import print_function
0002 from DataFormats.FWLite import Events as FWLiteEvents
0003
0004 from ROOT import gROOT, gSystem, AutoLibraryLoader
0005
0006 print("Loading FW Lite")
0007 gSystem.Load("libFWCoreFWLite");
0008 gROOT.ProcessLine('FWLiteEnabler::enable();')
0009
0010 gSystem.Load("libFWCoreFWLite");
0011 gSystem.Load("libDataFormatsPatCandidates");
0012
0013 from ROOT import gInterpreter
0014 gInterpreter.ProcessLine("using namespace reco;")
0015 gInterpreter.ProcessLine("using edm::refhelper::FindUsingAdvance;")
0016
0017 class Events(object):
0018 def __init__(self, files, tree_name, options=None):
0019 if options is not None :
0020 if not hasattr(options,"inputFiles"):
0021 options.inputFiles=files
0022 if not hasattr(options,"maxEvents"):
0023 options.maxEvents = 0
0024 if not hasattr(options,"secondaryInputFiles"):
0025 options.secondaryInputFiles = []
0026 self.events = FWLiteEvents(options=options)
0027 else :
0028 self.events = FWLiteEvents(files)
0029
0030 def __len__(self):
0031 return self.events.size()
0032
0033 def __getattr__(self, key):
0034 return getattr(self.events, key)
0035
0036 def __getitem__(self, iEv):
0037 self.events.to(iEv)
0038 return self
0039
