The stack before is all my classes, so the last one before is the call to
class_mapper in the code I send. I had a brief look at the code:
def clear_mapper(m):
del mapper_registry[m.class_key]
attribute_manager.reset_class_managed(m.class_)
if hasattr(m.class_, 'c'):
del m.class_.c
m.class_key.dispose()
The traceback comme form "del m.class_.c". It looks to me as it tries to delete
the columns from the class and fails. I didn't define a mapper without an
entity_name, could that be the problem?
I can use clear_mappers() because I use mod_python and my mappers are defined
during init. Is there any other way I can get this select mapped to my object?
Bye,
Kevin
Michael Bayer wrote:
>
> On Apr 25, 2007, at 6:06 PM, Kevin Schmidt wrote:
>
>>
>> clear_mapper(customMapper)
>>
>>
>> Running that I get:
>>
>> Processing Failure
>> c
>> /usr/lib/python2.5/site-packages/sqlalchemy/orm/__init__.py:
>> 110:clear_mapper]
>>
>>
>
> im not sure what that error means, or if thats a full stack trace (if
> not, a full stack would be helpful). but the clear_mapper() function
> is going to be generally pretty unreliable since the mapper can be
> involved in relationships with other mappers. (favor clear_mappers() )
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