Thank you, that's simpler than my attempts, for sure!
On Wed, Feb 25, 2009 at 10:27 AM, Roger Demetrescu <roger.demetre...@gmail.com> wrote: > > On Wed, Feb 25, 2009 at 11:39, Gregg Lind <gregg.l...@gmail.com> wrote: >> >> How does one create a TypeDecorator to export and import JSON to a >> database using SA? > > I did something like that recently: > > > ----------------- > > from sqlalchemy import types > import simplejson > > > class JsonString(types.TypeDecorator): > impl = types.String > def process_result_value(self, value, dialect): > if value is None: > return None > else: > return simplejson.loads(value) > > def process_bind_param(self, value, dialect): > if value is None: > return None > else: > return simplejson.dumps(value) > > ----------------- > > > []s > Roger > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To post to this group, send email to sqlalchemy@googlegroups.com To unsubscribe from this group, send email to sqlalchemy+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en -~----------~----~----~----~------~----~------~--~---
