Python & Music: Performance question

[Steven Taschuk]

Quoth David Asorey Álvarez:
  [...]
>    I want define a class, Note, which represents a note. It has two
> attributes, pitch and duration (quarter note, half note, etc). There
> will be a lot of instances of this object, maybe hundreds of notes,
> and the program needs access to all of this objects and read its
> attributes.
>    Which implementation will be more efficient?
  [...]

I don't know about speed (you should profile when you find it
matters), but for memory efficiency, this sounds like a job for
the Flyweight design pattern.

-- 
Steven Taschuk                           staschuk at telusplanet.net
"I'm always serious, never more so than when I'm being flippant."
                            -- _Look to Windward_, Iain M. Banks