On Wed, Aug 7, 2013 at 1:38 PM, Matthew Lefavor <mclefa...@gmail.com> wrote: > I know that to create the DatabaseField objects I should be using a > descriptor. But I also want the DataSet to automatically gain methods that > will convert it into the expected JSON syntax (e.g., a __specifier__ method > that will create a JSON object with only "key" fields, and an __object__ > method that will create a JSON object with all the fields and other bells > and whistles.) > > My ultimate question then: How do I go about adding those kinds of methods > (which iterate through all the attributes which are Database* descriptors)? > I know that I could eschew metaclasses altogether and use a common > super-class, but this doesn't feel like the right situation for inheritance > to me. Is a metaclass going to be the cleanest and easiest-to-understand way > to solve this problem?
You could use a class decorator. It's not as flexible as a metaclass, but from the sound of it you don't need that kind of flexibility; you just need to modify the class a bit after it's already been created. -- http://mail.python.org/mailman/listinfo/python-list
