python switch implementetion

switch.py

class switch(object):

    def __init__(self, var):
        self.var = var

    def __enter__(self):
        self.match = False
        self.stops = False
        def case(v=None):
            if(self.stops):
               return False
            if(v == self.var or v is None):
                self.match = True
            return self.match
        def stop():
            self.stops = True

        return case, stop

    def __exit__(self, *args):
        pass


if __name__ == '__main__':
    print('test switch with "break"')
    with switch(10) as (case, stop):
        if case(5):
           print("five")
           stop()
        if case(10):
           print("ten")
           stop()
        if case(20):
           print("twenty")
           stop()
        if case():
           print("other")

    print('test switch without "break"')
    with switch(10) as (case, stop):
        if case(5):
           print("five")
        if case(10):
           print("ten")
        if case(20):
           print("twenty")
        if case():
           print("other")