Deleting a child class of polymodel in python appengine...

is it safe to overwrite __setitem__ on an appengine polymodel?...

polymodel looks like not work well with KeyProperty...

Python extend method of parent class...

ndb.StructuredProperty not calling ndb.PolyModel subclass methods...

How to get all class properties (in Python) of a GAE polymodel including those defined via @property...

AppEngine NDB PolyModel getting properties...

how to cleanly remove ndb properties...

Can a class be an Expando and Polymodel in Google App Engine?...

Google App Engine get PolyModel as child class...