On Tue, Feb 10, 2009 at 9:45 AM, Jason DeFontes <[email protected]> wrote:
>
> Is there a simple way to have a calculated property that automatically
> updates itself any time an entity is saved? For example:
>
> class Article(db.Model):
> body = db.StringProperty()
> word_count = db.IntegerProperty()
You should override the put method:
class Article(db.Model):
body = db.StringProperty()
word_count = db.IntegerProperty()
def put(self):
self.word_count = ComputeWordCount(self.body) # or whatever
return super(Article, self).put()
Dave.
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