I should add that I'm not married to Colander either, if people have had good experiences with Marshmallow-Sqlalchemy, I could very well switch to that.
thanks! On Tue, Jun 7, 2016 at 9:17 AM, Iain Duncan <iainduncanli...@gmail.com> wrote: > Hi folks, I'm working on an internal framework using Pyramid, Colander, > and SQLAlchemy, and it's for much more enterprisey apps than I have > previously done. We're looking at having a full fledged service layer, and > using the ZCA as a DI framework a fair bit. I'm hoping folks can share > their opinions on what they've found the best place and way to convert from > validated dicts (originating from JSON from angular.js) to SA mapped > objects is. I'm using Colander to validate the incoming json, which might > be nested two or three levels deep, so after Colander conversion I know the > fields in the dicts are ok, but they are still just python dicts. > > In the past, I used formencode to do both validation and conversion, but > in this case I'm hoping to keep SQLA logic and coupling to a business/model > layer that is more insulated from the web request layer so it can be used > without issue from non-web-request contexts (rabbitqm jobs, scripts, etc). > So I'm imagining right now that outside this business/model layer the web > controllers are dealing with json and validating with colander, inside the > business/model we are dealing with either proxy objects to the model > objects or direct model objects, and somewhere (?) we convert. > > Any suggestions on what people have found to be good strategies or tools > (or reading!) for localizing and controlling the conversion from dicts to > mapped objects with relationships would be much appreciated. Or suggestions > that I'm just wrong and why. > > thanks, > Iain > -- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. To post to this group, send email to sqlalchemy@googlegroups.com. Visit this group at https://groups.google.com/group/sqlalchemy. For more options, visit https://groups.google.com/d/optout.
