Loading a file only once into an object and being able to access it from other modules
drew at gremlinhosting.com
Tue Dec 7 16:57:44 CET 2004
You're looking for the Singleton pattern to ensure that only one
instance of your class is instantiated at a time. There's a particularly
useful discussion about this at:
I suggest you try the different methods out and pick the one best suited
to your situation.
Philippe C. Martin wrote:
> This is a basic question I'm sure but I do not know wether to use __builtin__,
> global, or a static method:
> I have a very large XML file that I load into dictionnaries defined in a class
> located in a module that is imported in many places.
> Since the loading process is very slow, I would like the file not to be loaded
> on import or class instantiation, but only once (on first import or class
> Currently I have the loading code in the class __init__.
> Is there a clean way to do this (I'd like to avoid global)?
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