Re: [pygame] Name self not defined

[Sean Berry <seaneseor@xxxxxxxxx>]

Hey thanks for that link Marius :)

For anyone who's interested, here's the suggestion he was referencing:

"- Comparisons to singletons like None should always be done with 'is' or 'is not', never the equality operators."

On Wed, Jan 28, 2009 at 6:15 AM, Marius Gedminas <marius@xxxxxxxxx> wrote:

On Tue, Jan 27, 2009 at 07:24:13PM -0800, James Paige wrote:
> You can't use "self" in the "def" line. Here is how I usually accomplish
> what you are trying to do:
>
> class Car(Basicsprite): #car class
>     def __init__(self, speedarg=(0,0)):
>         self.speed = speedarg
>         Basicsprite.__init__(self)
>     def move(self, speedv=None):
>         if speedv==None: speedv = self.speedv
>         self.rect = self.rect.move(speedv)
>
>
> But maybe somebody else can suggest a nicer way to do that.

The idiomatic way to express that is 'if speedv is None:'.
See http://www.python.org/dev/peps/pep-0008/

Marius Gedminas
--
lg_PC.gigacharset (lg = little green men language, PC = proxima centauri)
       -- Markus Kuhn provides an example of a locale

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