083_module.py

#!/usr/bin/env python3
 
import basf2 as b2
 
 
class MinModule(b2.Module):
    """A minimal example of a basf2 module in python."""
 
    def __init__(self):
        """Constructor"""
        # call constructor of base class, required if you implement __init__
        # yourself!
        super().__init__()
        # and do whatever else is necessary like declaring member variables
 
    def initialize(self):
        """Called once in the beginning just before starting processing"""
        b2.B2INFO("initialize()")
 
    def beginRun(self):
        """Called every time a run changes before the actual events in that run
        are processed
        """
        b2.B2INFO("beginRun()")
 
    def event(self):
        """Called once for each event"""
        b2.B2INFO("event()")
 
    def endRun(self):
        """Called every time a run changes after the actual events in that run
        were processed
        """
        b2.B2INFO("endRun()")
 
    def terminate(self):
        """Called once after all the processing is complete"""
        b2.B2INFO("terminate()")
 
 
# 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)