081_module.py

#!/usr/bin/env python3
 
import basf2 as b2
 
 
class MinModule(b2.Module):
    """Very minimal class to print Hello World in each event"""
 
    def event(self):
        """Event function, called once for each event"""
        b2.B2INFO("Hello World!")
 
 
# create a path
main = b2.Path()
 
# set to generate 10 dummy events
main.add_module("EventInfoSetter", evtNumList=[10])
 
# and add our module
main.add_module(MinModule())
 
# run the path
b2.process(main)