If it is not a property type it doesn't persist in the datastore. Also the members you are defining are class level variables. That explains what you are seeing in the your tests.
On Tue, Apr 7, 2009 at 1:47 PM, ray <[email protected]> wrote: > > Hi, > Is it possible to use a dict type as a Model instance attribute? > I can't seem to make it work correctly. Using strings as a model > instance attribute seems to be fine, but when I assign values to an > element of a model's arbitrary dict attribute, I can't seem to > reference the correct Model instance. > > See below (you can try this in your console) > --- > from google.appengine.api import users > from google.appengine.ext import webapp, db > > # Say hello to the current user > class A(db.Model): > someProp = db.StringProperty() > someStrVar = '' > someDictVar = {} > > db.delete( A.all() ) > A(someProp='Hello Me').put() > A(someProp='Hello You').put() > > results = A.all().fetch(10) > #print len(results) > i=0 > > print 'As expected: \n' > for i in [0,1]: > results[i].someStrVar = 'someStrVar=' + str(i) > results[i].someDictVar['x'] = 'someDictVar=' +str(i) > > print results[i].someProp > print results[i].someStrVar > print results[i].someDictVar['x'] > print '' > > print '\nRather unexpected results:\n' > for i in [0,1]: > print results[i].someProp > print results[i].someStrVar > print results[i].someDictVar['x'] > > --- > Produces the results: > > As expected: > > Hello Me > someStrVar=0 > someDictVar=0 > > Hello You > someStrVar=1 > someDictVar=1 > > > Rather unexpected results: > > Hello Me > someStrVar=0 > someDictVar=1 ##Here's the error. THIS SHOULD BE: someDictVar=0 ## > Hello You > someStrVar=1 > someDictVar=1 > > --- > Notice that the property and string att are correct in both > iterations. But the dict attribute isn't. > Would appreicate any help at all. > > Thanks, > Ray > > > > -- Alkis --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
