Cai Feng’s Blog

#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Test the variable methods in class
"""
 
class K(object):
    """
    Test the variable methods in class
    >>> k_obj = K()
    >>> k_obj.method1()
    Normal method: obj.method1() becomes method1(obj)
    >>> K.method2()
    classmethod: K.method2() becomes method2(klass: <class '__main__.K'>)
    >>> k_obj.method2()
    classmethod: K.method2() becomes method2(klass: <class '__main__.K'>)
    >>> K.method3()
    staticmethod: K.method3() become just method3(None)
    >>> k_obj.method3()
    staticmethod: K.method3() become just method3(None)
    """
    # normal method (instance method)
    def method1(self):
        print 'Normal method: obj.method1() becomes method1(obj)'
 
    # class method
    @classmethod
    def method2(cls):
        print 'classmethod: K.method2() becomes method2(klass: %s)' % cls
 
    # static method
    @staticmethod
    def method3():
        print 'staticmethod: K.method3() become just method3(None)'
 
class KK(K):
    """
    Test the variable methods' behavior in the subclass.
    >>> kk_obj = KK()
    >>> kk_obj.method1()
    Normal method: obj.method1() becomes method1(obj)
    >>> KK.method2()
    classmethod: K.method2() becomes method2(klass: <class '__main__.KK'>)
    >>> kk_obj.method2()
    classmethod: K.method2() becomes method2(klass: <class '__main__.KK'>)
    >>> KK.method3()
    staticmethod: K.method3() become just method3(None)
    >>> kk_obj.method3()
    staticmethod: K.method3() become just method3(None)
    """
    pass 
 
if __name__ == "__main__":
    import doctest
    doctest.testmod()