Virtual function in Python : Class Virtual « Class « Python

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Python » Class » Class VirtualScreenshots 
Virtual function in Python
Virtual function in Python



class Super:
     def method(self):
         print 'in Super.method'
 
class Sub(Super):
     def method(self):                       # override method
         print 'starting Sub.method'         # add actions here
         Super.method(self)                  # run default action
         print 'ending Sub.method'
 

x = Super()            # make a Super instance
x.method()             # runs Super.method

x = Sub()              # make a Sub instance
x.method()             # runs Sub.method, which calls Super.method

           
       
Related examples in the same category
1. Override predefined functionOverride predefined function
2. Virtual function: extend method behaviourVirtual function: extend method behaviour
3. Virtual function in Python classVirtual function in Python class
4. Virtual function in two base classVirtual function in two base class
5. Virtual function in derived class is calledVirtual function in derived class is called
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