[Tutor] Some advice on classes needed ?

Dave S pythontut at pusspaws.net
Sat May 15 10:12:04 EDT 2004

Alan Gauld wrote:

>>If I design a class for one set of data, how do I generate all the
>>instances of classes without 250 generate instances.
>>What I am asking is, Is it possible to use a for loop ? ie dynamicly
>>generate an instance name to then call ?
>You don't need an instance name, you can store them ina list
>There is a section at the end of my web tutor topic on OOP that shows
>how to do this.
.... can you tell me where I can read this "web tutor topic" ... I think 
I would find it helpfull


>One thing to consider however is your design, remember that objects
>own their own dsata arnd are responsible for processing it, so think
>carefully about how that concept might change the basic way your
>program functions. Are you going to pass a set of files to each
>object to extract its own data? Or are you going to going to pass
>each file in turn to each of the objects? Or are you going to
>extract the data in bulk and then pass it to the object (so how do
>you know what data each object needs if the object manages its own
>Without knowing more about the details its impossible to say which
>mechanism will work best. But large volume data cruunching can be
>extremely inefficient if you get the approach wrong.
>Alan G.

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