def save(self, session=None):
"""Save this object."""
if not session:
session = sa.get_session()
# NOTE(boris-42): This part of code should be look like:
# sesssion.add(self)
# session.flush()
# But there is a bug in sqlalchemy and eventlet that
# raises NoneType exception if there is no running
# transaction and rollback is called. As long as
# sqlalchemy has this bug we have to create transaction
# explicity.
with session.begin(subtransactions=True):
session.add(self)
session.flush()
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 = sa_session.get_session().get_bind()
#engine = engine_from_config(
# config.get_section(config.config_ini_section),
# prefix='sqlalchemy.',
# poolclass=pool.NullPool)
connection = engine.connect()
context.configure(
connection=connection,
target_metadata=target_metadata
)
try:
with context.begin_transaction():
context.run_migrations()
finally:
connection.close()
def get_session():
return db_session.get_session()
def get_session():
return db_session.get_session()
