def __new__(cls, name, bases, attrs):
SessionClass = type.__new__(cls, name, bases, attrs)
if hasattr(SessionClass, 'engine'):
assert hasattr(SessionClass, 'BaseClass'), 'no BaseClass specified and @declarative_base was never invoked'
if not hasattr(SessionClass, 'session_factory'):
SessionClass.session_factory = sessionmaker(bind=SessionClass.engine, autoflush=False, autocommit=False)
SessionClass.initialize_db()
SessionClass.crud = make_crud_service(SessionClass)
return SessionClass
def __new__(cls, name, bases, attrs):
SessionClass = type.__new__(cls, name, bases, attrs)
if hasattr(SessionClass, 'engine'):
if not hasattr(SessionClass, 'BaseClass'):
for module, bc in _SessionInitializer._base_classes.items():
if module == SessionClass.__module__:
SessionClass.BaseClass = bc
break
else:
raise AssertionError('no BaseClass specified and @declarative_base was never invoked in {}'.format(SessionClass.__module__))
if not hasattr(SessionClass, 'session_factory'):
SessionClass.session_factory = sessionmaker(bind=SessionClass.engine, autoflush=False, autocommit=False,
query_cls=SessionClass.QuerySubclass)
SessionClass.initialize_db()
SessionClass.crud = make_crud_service(SessionClass)
return SessionClass
def __new__(cls, name, bases, attrs):
SessionClass = type.__new__(cls, name, bases, attrs)
if hasattr(SessionClass, 'engine'):
if not hasattr(SessionClass, 'BaseClass'):
for module, bc in _SessionInitializer._base_classes.items():
if module == SessionClass.__module__:
SessionClass.BaseClass = bc
break
else:
raise AssertionError(
'no BaseClass specified and @declarative_base was never invoked in {}'
.format(SessionClass.__module__))
if not hasattr(SessionClass, 'session_factory'):
SessionClass.session_factory = sessionmaker(
bind=SessionClass.engine,
autoflush=False,
autocommit=False,
query_cls=SessionClass.QuerySubclass)
SessionClass.initialize_db()
SessionClass.crud = make_crud_service(SessionClass)
return SessionClass