dal.py 文件源码

def as_json(self, mode='object', default=None):
        """
        serializes the rows to a JSON list or object with objects
        mode='object' is not implemented (should return a nested
        object structure)
        """

        items = [record.as_json(mode=mode, default=default,
                                serialize=False,
                                colnames=self.colnames) for
                 record in self]

        if have_serializers:
            return serializers.json(items,
                                    default=default or
                                    serializers.custom_json)
        elif simplejson:
            return simplejson.dumps(items)
        else:
            raise RuntimeError("missing simplejson")

    # for consistent naming yet backwards compatible