On May 29, 8:52 pm, glomde <[EMAIL PROTECTED]> wrote:
> Hi I wonder if you can set what subclass a class should
> have at instance creation.
>
> The problem is that I have something like:
>
> class CoreLang():
> def AssignVar(self, var, value):
> pass
>
> class Lang1(CoreLang):
> def AssignVar(self, var, value):
> return var, "=", value
>
> class Lang2(CoreLang):
> def AssignVar(self, var, value):
> return var, "<=", value
>
> class WriteStruct():
> def Generate(self, vars):
> for var in vars:
> print self.AssignVar()
>
> The problem is that I want WriteStruct to sometimes be a subclass of
> Lang1 and sometimes
> of Lang2.
> In the above example I could but the Generate Method in CoreLang. But
> in my real
> example I also want to able to subclass WriteStruct to be able to easy
> customize WriteStruct.
> Which I wouldnt be able to do if it was a method in CoreLang.
>
> So in code I would like to write something like:
>
> WriteStruct(Lang1).Generate(vars)
class WriteStruct:
def __init__(self, SubClass):
self._sub = SubClass()
def Generate(self, vars):
for var in vars:
print self._sub.AssignVar()
> Even better would be that if I in the Lang1 class could
> just do WriteStruct().Generate(vars) and Lang1 class would
> magically make WriteStruct a subclass of itself.
>
I don't think I understood what you want here.
Ram
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