Method attrs

celery/utils/graph.py:265–269

(self, d, scheme=None)

        return self.FMT(self._attr, name=name, value=value)

    def attrs(self, d, scheme=None):
        d = dict(self.scheme, **dict(scheme, **d or {}) if scheme else d)
        return self._attrsep.join(
            safe_str(self.attr(k, v)) for k, v in d.items()
        )

    def head(self, **attrs):
        return self.FMT(