> -----Original Message----- > From: sqlalchemy@googlegroups.com > [mailto:sqlalch...@googlegroups.com] On Behalf Of abhishek > Sent: 20 January 2009 14:26 > To: sqlalchemy > Subject: [sqlalchemy] how to use model.py file across > different applications > > > Hello all, > > I have been using SQL Alchemy for sometime now in a turbo gears > project. Recently, i wanted to write a small piece of python code > which has to do a few DB operations on the same DB which is used by my > TG project. so i decided to use the existing model.py file. > > to my delight, as soon as i imported model.py in my code i was able to > use all the functions and classes in my code. but when i tried to > execute my code it gave me this error: > > -------------------------------------------------------------- > -------------------------------------------------------------- > ------------------------------ > File "d:\python25\lib\site-packages\SQLAlchemy-0.4.4-py2.5.egg > \sqlalchemy\orm\scoping.py", line 98, in do > return getattr(self.registry(), name)(*args, **kwargs) > > File "d:\python25\lib\site-packages\SQLAlchemy-0.4.4-py2.5.egg > \sqlalchemy\util.py", line 967, in __call__ > return self.registry.setdefault(key, self.createfunc()) > > File "d:\python25\lib\site-packages\TurboGears-1.0.4b3-py2.5.egg > \turbogears\database.py", line 54, in create_session > get_engine() > > File "d:\python25\lib\site-packages\TurboGears-1.0.4b3-py2.5.egg > \turbogears\database.py", line 43, in get_engine > dburi = alch_args.pop('dburi') > > KeyError: 'pop(): dictionary is empty' > > -------------------------------------------------------------- > -------------------------------------------------------------- > ------------------------------ > > i am using TG2.0, SQLAlchemy0.4. > if some one needs any part of code from model.py or some configuration > from prod.cfg please feel free to ask. > > Suggestions are urgently required. > > Regards > Abhishek >
Actually, according to that stack trace, you are using TurboGears 1.0.4b3, not 2.0. If you have both versions installed, you may want to check that you are really importing what you think you are importing. The error that you are getting is because you haven't loaded your TurboGears config file, which is where the SQLAlchemy database connection URI is defined. In TurboGears 1 I think you do that something like this: import turbogears turbogears.update_config(configfile='prod.cfg', modulename='YOUR_APP_NAME.config') (replace YOUR_APP_NAME with your root-level package name). I don't know what the equivalent is in TG2. Hope that helps, Simon --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
