[Zope] Seeking tips for persistence in external methods

[Oliver Bleutgen]

> Try this:
> Open file.
> Read file.
> Calculate MD5sum
> If md5 has changed, reparse the file.
> If not, show a cached tree.
> You'll have to come up with your own method for caching the tree.

> Troy

Woa, fast answer, thanks Troy,
but I fear I wasn't clear enough. I have no problem
figuring out when to cache (I leech the flat file from
a server).
I don't know how to store an object tree from an external
method like I would do with pickle/cpickle in pure python.

cheers,
oliver