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fix: add startup hack for tempmon DB model

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This commit is contained in:
Lance Edgar 2025-03-05 10:34:52 -06:00
parent e2582ffec5
commit e150453801
1 changed files with 11 additions and 0 deletions
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11
tailbone/app.py
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@ -62,6 +62,17 @@ def make_rattail_config(settings):
# nb. this is for compaibility with wuttaweb # nb. this is for compaibility with wuttaweb
settings['wutta_config'] = rattail_config settings['wutta_config'] = rattail_config
# must import all sqlalchemy models before things get rolling,
# otherwise can have errors about continuum TransactionMeta class
# not yet mapped, when relevant pages are first requested...
# cf. https://docs.pylonsproject.org/projects/pyramid_cookbook/en/latest/database/sqlalchemy.html#importing-all-sqlalchemy-models
# hat tip to https://stackoverflow.com/a/59241485
if getattr(rattail_config, 'tempmon_engine', None):
from rattail_tempmon.db import model as tempmon_model, Session as TempmonSession
tempmon_session = TempmonSession()
tempmon_session.query(tempmon_model.Appliance).first()
tempmon_session.close()
# configure database sessions # configure database sessions
if hasattr(rattail_config, 'appdb_engine'): if hasattr(rattail_config, 'appdb_engine'):
tailbone.db.Session.configure(bind=rattail_config.appdb_engine) tailbone.db.Session.configure(bind=rattail_config.appdb_engine)