You may wish to look at z3c.dobbin, though the issue I have found in my
own experimentation, is with association tables for many to many
relationships which throws in a wrench into this otherwise elegant
solution. There may be something to around this in future.
Hermann Himmelbauer wrote:
> In my current SQLAlchemy / Zope-based design, I need the following:
> - SQLAlchemy table definitions
> - classes + mappers
> - Zope interfaces
> The problem with this design is that much data has to be defined twice, e.g.
> the datatype "varchar(50)" should be represented by an interface with
> TextLine(max_length="50"). Moreover, any changes such as adding columns etc.
> also have to be done in the interface and the table definition.
> To overcome this, I just had the idea to use the interface/schema definitions
> for the table definition itself. Probably I'm not the first who had this
> idea, but I'm not aware of such an extension to interfaces.
> Any thoughts on this?
> Best Regards,
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