def version(config=None):
"""Current database version.
:returns: Database version
:rtype: string
"""
engine = db_api.get_engine()
with engine.connect() as conn:
context = alembic_migration.MigrationContext.configure(conn)
return context.get_current_revision()
def run_migrations_online():
"""Run migrations in 'online' mode.
In this scenario we need to create an Engine
and associate a connection with the context.
"""
engine = db_api.get_engine()
with engine.connect() as connection:
context.configure(connection=connection,
target_metadata=target_metadata)
try:
with context.begin_transaction():
context.run_migrations()
finally:
connection.close()
