Copy an entity in Google App Engine datastore in Python without knowing property names at 'compile' time

Question

In a Python Google App Engine app I\'m writing, I have an entity stored in the datastore that I need to retrieve, make an exact copy of it (with the exception of the key), a

Answer 1

I'm neither Python nor AppEngine guru, but couldn't one dynamically get/set the properties?

props = {}
for p in Thing.properties():
    props[p] = getattr(old_thing, p)
new_thing = Thing(**props).put()