models.py 文件源码

def process_bind_param(self, value, dialect):
        if value is None:
            return value
        elif dialect.name == 'postgresql':
            return str(value)
        else:
            if not isinstance(value, uuid.UUID):
                return '%.32x' % uuid.UUID(value).int
            else:
                # hexstring
                return '%.32x' % value.int