def setUp(self):
e1 = Electron(50, 0.8)
e2 = Electron(30, 0.001)
e3 = Electron(23, 0.001)
self.e1, self.e2, self.e3 = e1, e2, e3
self.event1 = Event(1, 13700, [e1, e2, e3])
self.event2 = Event(2000, 64000, [e1, e3])
self.electrons = NTupleCollection(
'electrons',
source=lambda event: event.electrons,
help_doc='extract some info from event.electrons',
variables=[
NTupleVariable('pt',
vtype='float',
extract_function=lambda e: e.pt),
NTupleVariable('hoE',
vtype='float',
extract_function=lambda e: e.hadronicOverEm),
])
self.run_number = NTupleVariable(
'run_number',
vtype='uint',
extract_function=lambda event: event.getRun())
self.event_number = NTupleVariable(
'event_number',
vtype='uint',
extract_function=lambda event: event.id())
self.DATA_ROOT = tempfile.mkdtemp()
self.output_file = self.DATA_ROOT + '/TestNTupleContent.root'
self.content = NTupleContent('events', self.output_file)
self.content.add_collection(self.electrons)
self.content.add_variable(self.run_number)
self.content.add_variable(self.event_number)
map(self.content.fill, [self.event1, self.event2])
self.content.save()
