def after_flush(self, session, _flush_context):
''' The log for new objects is created AFTER flush,
so that e.g. primary keys are known.
'''
for obj in versioned_objects(session.new):
self.create_version(obj, session, new=True)
def before_flush(self, session, _flush_context, _instances):
for obj in versioned_objects(session.dirty):
if session.is_modified(obj):
self.create_version(obj, session)
for obj in versioned_objects(session.deleted):
self.create_version(obj, session, deleted=True)
