Multiple instances of modules

[Gerhard Häring]

Daniel Pryde wrote:
> Hi there.
> 
> I'm currently trying to learn Python, my aim being to create my final
> year project at university using only Python instead of Java. I've run
> into a problem though while trying to make multiple instances of
> modules.
> 
> For example, say I made a CD.py module which held details of an audio
> compact dic (album name, track names, etc..), and wanted my Python
> script to make a record collection using multiple CD's, I can't make
> them seperately. I tried using the 'import module as name' format, but
> any changes made to one instance affects the other. I assume this is
> because Python is simply referencing the one instance of CD.py rather
> than seperate ones. Is there a solution to this that doesn't involve
> using cPython or Jython? Any help would be greatly appreciated.

Use class instances to keep state, not modules. This is really the 
basics of object-oriented programming and should be explained in the 
(Python) tutorials.

-- Gerhard