MonitoringNTuple Class Reference

Public Member Functions
	__init__ (self, filename, treenameprefix)

Public Attributes
	valid = os.path.isfile(filename)
	Indicates if the ntuple were successfully read.
	f = ROOT.TFile.Open(filename, 'read')
	Reference to the ROOT file, so it isn't closed.
	tree = self.f.Get(ROOT.Belle2.MakeROOTCompatible.makeROOTCompatible(f'{treenameprefix} variables'))
	Reference to the tree named variables inside the ROOT file.
	filename = filename
	Filename so we can use it later.

Detailed Description

Reads the ntuple named variables from a ROOT file

Definition at line 298 of file monitoring.py.

Constructor & Destructor Documentation

__init__()

__init__	(		self,
			filename,
			treenameprefix )

Reads ntuple from the given file
@param filename the name of the ROOT file

Definition at line 303 of file monitoring.py.

    def __init__(self, filename, treenameprefix):
        """
        Reads ntuple from the given file
        @param filename the name of the ROOT file
        """
        # Always avoid the top-level 'import ROOT'.
        import ROOT  # noqa
        
        self.valid = os.path.isfile(filename)
        print(f'FEI-monitoring: Looking for {filename}')
        if not self.valid:
            raise RuntimeError(f"Could not find {filename}: current dir is {os.getcwd()}")
            return
        
        self.f = ROOT.TFile.Open(filename, 'read')
        print(f'FEI-monitoring: Found {filename}')
        
        self.tree = self.f.Get(ROOT.Belle2.MakeROOTCompatible.makeROOTCompatible(f'{treenameprefix} variables'))
        print(f'FEI-monitoring: Found {treenameprefix} variables')
        
        self.filename = filename
 
 

Member Data Documentation

f

f = ROOT.TFile.Open(filename, 'read')

Reference to the ROOT file, so it isn't closed.

Definition at line 317 of file monitoring.py.

filename

filename = filename

Filename so we can use it later.

Definition at line 323 of file monitoring.py.

tree

tree = self.f.Get(ROOT.Belle2.MakeROOTCompatible.makeROOTCompatible(f'{treenameprefix} variables'))

Reference to the tree named variables inside the ROOT file.

Definition at line 320 of file monitoring.py.

valid

valid = os.path.isfile(filename)

Indicates if the ntuple were successfully read.

Definition at line 311 of file monitoring.py.

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

• analysis/scripts/fei/monitoring.py