I just updated my production site to latest trunk, and got hard 500
errors (not even going through the exception handler). Problem caused
by bad interaction of new Query objects and psyco. Disable psyco.
The exception was:
File "/csc/django/db/models/sql/query.py", line 185, in clone
obj.__dict__.update(kwargs)
TypeError: descriptor '__dict__' for 'Empty' objects doesn't apply to
'Query' object
The problem appears to be due to the magic that function does of
changing the runtime class of an object.
I was using a Psyco middleware (from the wiki, using psyco.full()).
Just thought I'd give people a heads-up. Is psyco+Django dead?
-Ken
PS - The reason this didn't go through the error handling for me is
that I have a module-level model object retrieved from the database at
import time. Bad idea for a number of reasons, so it's gone in my
devel branch.
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