Kyle T. Jones wrote:
Ethan Furman wrote:
chad wrote:
Let's say I have the following....
class BaseHandler:
def foo(self):
print "Hello"
class HomeHandler(BaseHandler):
pass
Then I do the following...
test = HomeHandler()
test.foo()
How can HomeHandler call foo() when I never created an instance of
BaseHandler?
You don't need to create an instance of BaseHandler. You have the
class, Python knows you have the class -- Python will look there if the
subclasses lack an attribute.
~Ethan~
Really? That's not at all how I thought it worked in Python
(post-instantiation referencing of class and superclass code...)
I'm not sure exactly what you're asking/stating, but does this help?
8<---Py 3.2 code------------------------------------------
class BaseClass():
def bFoo(self):
print("Base foo here!")
class NormalClass(BaseClass):
def nFoo(self):
print("Normal foo here.")
class EnhancedClass(NormalClass):
def eFoo(self):
print("Enhanced foo comin' at ya!")
class EnrichedClass(EnhancedClass):
def rFoo(self):
print("Am I glowing yet?")
test = EnrichedClass()
test.bFoo()
test.nFoo()
test.eFoo()
test.rFoo()
def newFoo(self):
print("Ha! You've been replaced!")
BaseClass.bFoo = newFoo
test.bFoo()
8<----------------------------------------------------------
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