database.py 文件源码

def get_species_birth_generation(self, scenario_id, species_id, session=None):
        if session is None:
            session = self.Session()

        return self.get_individuals(scenario_id=scenario_id, session=session) \
            .with_entities(Individual.generation) \
            .filter(Individual.species == uuid.UUID(int=species_id)) \
            .order_by(Individual.generation) \
            .first() \
            .generation