db_downgrade.py

   1 #!flask/bin/python
   2 from migrate.versioning import api
   3 from config import SQLALCHEMY_DATABASE_URI
   4 from config import SQLALCHEMY_MIGRATE_REPO
   5 v = api.db_version(SQLALCHEMY_DATABASE_URI, SQLALCHEMY_MIGRATE_REPO)
   6 api.downgrade(SQLALCHEMY_DATABASE_URI, SQLALCHEMY_MIGRATE_REPO, v - 1)
   7 v = api.db_version(SQLALCHEMY_DATABASE_URI, SQLALCHEMY_MIGRATE_REPO)
   8 print('Current database version: ' + str(v))