Erik Max Francis
max at alcyone.com
Tue Sep 24 05:05:14 EDT 2002
Paul MG wrote:
> - Having two constructors seems to be illegal - or at least the second
> overwrites the first.
That's correct. Python does not allow overloading functions with the
same name but different argument lists.
> - Assigning to 'self' in the load method seems to really not work!
Indeed, and you shouldn't have expected it to. self is a variable like
anything else, and in Python, variables are merely bindings, not
reseatable references. Assignment just rebinds the name, it doesn't
affect the bound object.
> - Putting the create() method outside of the class works fine - but I
> want it to be a class method on Appointment, goddammit!:) Is there no
> way to do this?
Later versions of Python have a staticmethod function for this. You'd
use it like this:
def f(x): # note, no self argument
f = staticmethod(f)
This allows f to be called as C.f or even c.f, if c were an instance of
> Any help would be appreciated, basically i am looking for the python
> idiom to do this, as my C++ and Smalltalk idiom's clearly aren't in
> the grain of the language!
Depending on your tastes, a module function might make more sense.
Erik Max Francis / max at alcyone.com / http://www.alcyone.com/max/
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