On 10/12/2010 17:09, Michael Bayer wrote:
On Oct 12, 2010, at 7:39 AM, Julien Cigar wrote:Hello, any idea why with # Query class BaseQuery(orm.Query): @dynamic def method_a(self): ... def method_b(self): ... class FooQuery(BaseQuery): ... class BarQuery(FooQuery): @dynamic def method_c(self): ... # Models class BaseModel(object): query = Session.query_property(BaseQuery) # myQuery = type('PolymorphicQuery, (content.BaseQuery, ), func_list)(BaseModel) where "func_list" containing all the functions decorated by @dynamic the following fail? : - myQuery.get(45) fails with: AttributeError: 'NoneType' object has no attribute 'identity_map' - myQuery.method_a().all() fails with: AttributeError: 'NoneType' object has no attribute '_autoflush' - etc My goal is to be able to build a custom Query object to use with the .with_polymorphic() function ..I've just grepped through all the source, examples and tests plus the wiki trying to find what @dynamic is. Seems like something I'd have come up with in the past but I've no clue at the moment what that is.
Sorry, I forgot to mention that it's just a custom decorator of mine which add the function name to a list ... forget about it, it's just to build the third argument of type() (func_list in my case)
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