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import sys


class DoDefaultMixin(object):
	''' An alternative way to call superclass method code.

	Mix this class in to your classes, and you can now use the following
	form to call superclass methods:

		retval = cls.doDefault([args])

	instead of the usual:

		retval = super(cls, self).methodName([args])
	'''
	
	def doDefault(cls, *args, **kwargs):
		frame = sys._getframe(1)
		self = frame.f_locals['self']
		methodName = frame.f_code.co_name
		return eval('super(cls, self).%s(*args, **kwargs)' % methodName)
	doDefault = classmethod(doDefault)

	
if __name__ == '__main__':
	class TestBase(list, DoDefaultMixin):
		def MyMethod(self):
			print "TestBase.MyMethod called."
			
	class MyTest(TestBase):
		def MyMethod(self):
			print "MyTest.MyMethod called."
			MyTest.doDefault()
			
	t = MyTest()
	t.MyMethod()

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  • revision 2 (18 years ago)
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