use op.get_bind() http://alembic.readthedocs.org/en/latest/ops.html#alembic.operations.Operations.get_bind
On Jan 31, 2014, at 11:29 PM, Ryan Eberhardt <reberhar...@gmail.com> wrote: > Does anyone have any advice for getting the connection outside of env.py? > > Thanks, > Ryan > > On Monday, January 27, 2014 8:30:49 AM UTC-6, Ryan Eberhardt wrote: > Wow, thanks for such a fast response! I used the env.py script from here: > https://github.com/inklesspen/pyramid_alembic_mako/blob/master/pyramid_alembic/alembic/%2Bpackage%2B/alembic/env.py_tmpl > > Line 15: > engine = engine_from_config(config.get_section('app:main'), 'sqlalchemy.') > Then in run_migrations_online(): > connection = engine.connect() > ... > context.configure( > connection=connection, > target_metadata=target_metadata > ) > > However, once I have the context set up with a connection, I can't figure out > how to retrieve it in a version script. > > Thanks, > Ryan > > On Monday, January 27, 2014 6:12:52 AM UTC-6, Michael Bayer wrote: > > On Jan 27, 2014, at 1:47 AM, Ryan Eberhardt <reber...@gmail.com> wrote: > > > Context: I'm using Pyramid with SQLAlchemy, and am pretty deep into a > > project with no database versioning. I'm looking to use Alembic to start > > doing that. > > > > I read at > > http://alembic.readthedocs.org/en/latest/tutorial.html#building-an-up-to-date-database-from-scratch > > that I can use the SQLAlchemy create_all for a first version to create the > > schema. I got my metadata from op.get_context.opts['target_metadata'], but > > I can't figure out how to get the engine or connection to provide as the > > create_all parameter... The snippet at the provided URL just shows > > "my_metadata" and "engine" variables without showing where these came from. > > Am I missing? Some solid Googling didn't turn anything up… > > somewhere in your pyramid app, you’ve set up a create_engine() > somewhere…Pyramid doesn’t have any fixed convention for this so it depends on > how you are accessing this creation function. How are you running it ? If > you wrote some kind of .py script, it would call upon that function where > you’ve also done the create_engine() step. This is all kind of DIY so > you’d just establish your own system. > > > > -- > You received this message because you are subscribed to the Google Groups > "sqlalchemy-alembic" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sqlalchemy-alembic+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/groups/opt_out.
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