pySwitch.py

# -*- coding: utf-8 -*-
"""
Created on Wed Mar  4 14:45:15 2020

@author: Administrator
"""

# This class provides the functionality we want. You only need to look at
# this if you want to know how this works. It only needs to be defined
# once, no need to muck around with its internals.
class switch(object):
    def __init__(self, value):
        self.value = value
        self.fall = False
    def __iter__(self):
        """Return the match method once, then stop"""
        yield self.match
        raise StopIteration
    def match(self, *args):
        """Indicate whether or not to enter a case suite"""
        if self.fall or not args:
            return True
        elif self.value in args: # changed for v1.5, see below
            self.fall = True
            return True
        else:
            return False