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: > Hi, > 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, > Hermann > _______________________________________________ Zope-Dev maillist - [email protected] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
