Use of factory pattern in Python?

[Fredrik Lundh]

Nathan Harmston wrote:

> so I was thinking of having a factory class to return the individual
> objects for each row......ie
> 
> class Factory():
>         # if passed a gene return a gene object
>         # if passed an intron return an intron object
>         # if passed an exom return an exon object
> 
> Is this a good way of doing this, or is there a better way to do this
> in Python

in python, that's spelled:

def factory(...):
     # if passed a gene return a gene object
     # if passed an intron return an intron object
     # if passed an exom return an exon object

</F>