Method attach_alternative

django/core/mail/message.py:648–652

Attach an alternative content representation.

(self, content, mimetype)

        ]

    def attach_alternative(self, content, mimetype):
        """Attach an alternative content representation."""
        if content is None or mimetype is None:
            raise ValueError("Both content and mimetype must be provided.")
        self.alternatives.append(EmailAlternative(content, mimetype))

    def _add_bodies(self, msg):
        if self.body or not self.alternatives: