Re: [SQLObject] weird SQLObject subclassing thing

[Ian B. <ia...@co...>]

ludwig zeininger wrote:
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> 
> hi
> 
> just upgraded from 0.5.2 to the svn version.
> 
> code like this:
> 
> 	class Sub(SQLObject):
> 		...
> 
> 	class Person(Sub):
> 		_fromDatabase = True

At this point your Person class doesn't have a _connection attribute for 
some reason.  I'm not sure exactly why.  (Since Person._connection is 
None, and the class gets setup right away, you get this exception)

> which used to work in 0.5.2, now produces:
> 
> Traceback (most recent call last):
>   File "test.py", line 31, in ?
>     class Person(Sub):
>   File "/usr/lib/python2.3/site-packages/sqlobject/main.py", line 159, in 
> __new__
>     newClass.addColumnsFromDatabase()
>   File "/usr/lib/python2.3/site-packages/sqlobject/main.py", line 460, in 
> addColumnsFromDatabase
>     for columnDef in cls._connection.columnsFromSchema(cls._table, cls):
> AttributeError: 'NoneType' object has no attribute 'columnsFromSchema'

-- 
Ian Bicking  /  ia...@co...  /  http://blog.ianbicking.org