rattail-project/rattail Changeset

Changeset - a3df76ea9818

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Lance Edgar (lance) - 2 months ago 2024-09-03 11:13:15
lance@edbob.org

fix: move startup workaround for trainwreck query bug

apparently this workaround will break alembic commands since
versioning must be handled a bit differently in that scenario. so
must only do the workaround if versioning is enabled during the
startup sequence..

1 file changed with 17 insertions and 17 deletions:

rattail/config.py

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rattail/config.py

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@@ @@ -779,29 +779,29 @@ def make_config( @@
         from rattail.db.config import configure_versioning
         configure_versioning(config)
         # TODO: holy crap why is this needed?  without it, the first time
         # a trainwreck query happens, InvalidRequestError is raised.  but
         # this is clearly a trainwreck query, and yet no error if we do it
         # this early in the startup sequence?!  i have no idea what is
         # going on here but at least this "works" - fingers crossed..
         if getattr(config, 'trainwreck_engines', None):
             app = config.get_app()
             trainwreck = app.get_trainwreck_handler()
             try:
                 trainwreck_model = trainwreck.get_model()
             except WuttaConfigurationError:
                 pass
             else:
                 trainwreck_session = trainwreck.make_session()
                 trainwreck_session.query(trainwreck_model.Transaction).first()
                 trainwreck_session.close()
     # maybe set "future" behavior for SQLAlchemy
     if config.get_bool('rattail.db.sqlalchemy_future_mode', usedb=False):
         from rattail.db import Session
         if Session:
             Session.configure(future=True)
     # TODO: holy crap why is this needed?  without it, the first time
     # a trainwreck query happens, InvalidRequestError is raised.  but
     # this is clearly a trainwreck query, and yet no error if we do it
     # this early in the startup sequence?!  i have no idea what is
     # going on here but at least this "works" - fingers crossed..
     if getattr(config, 'trainwreck_engines', None):
         app = config.get_app()
         trainwreck = app.get_trainwreck_handler()
         try:
             trainwreck_model = trainwreck.get_model()
         except WuttaConfigurationError:
             pass
         else:
             trainwreck_session = trainwreck.make_session()
             trainwreck_session.query(trainwreck_model.Transaction).first()
             trainwreck_session.close()
     return config

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