On Fri, May 02, 2008 at 10:17:46PM +0800, Yuan HOng wrote: > Is it possible to find out what other objects are referencing a > particular object in ZODB?
Not easily -- you'd have to traverse the object graph yourself to see if
you can find any references.
> In particular, I want to prevent some content objects, like images,
> from being removed from the folder if they are used in some other
> content object, like a news article.
>
> Do I have to keep track of object referencing in ZODB myself through
> events or there are some built-in mechanism in ZODB to take care of
> this for me?
Your best bet is to keep track of this yourself. Indexes and catalogs
may help.
Marius Gedminas
--
Given enough eyeballs all bugs are shallow.
-- Eric S. Raymond, "The Cathedral and the Bazaar"
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