would a PreCallHook works for your case? http://code.google.com/appengine/articles/hooks.html
- eric 2010/1/14 Nickolas Daskalou <[email protected]>: > I have a property of a Model that is a hash of another property of the same > Model, eg: > > class MyModel(db.Model): > something = db.StringProperty() > something_hash = db.StringProperty() > def generate_hash(self): > self.something_hash = sha1(self.something) > > I want generate_hash() to be automatically called just before the entity is > put() into the Datastore, without the developer having to explicitly call > entity.generate_hash(). > > I know I can create a put() method that makes such a call and then calls > put() on the superclass, but (a) is that the best way to do it, and (b) if > the put() is part of a batch put (eg. via db.put(entities)), will the put() > method of each model instance still be called? > > Nick > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/google-appengine?hl=en. > >
-- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.
