Method delete

mongoengine/fields.py:1984–1990

(self, *args, **kwargs)

        )

    def delete(self, *args, **kwargs):
        # deletes thumbnail
        out = self.get()
        if out and out.thumbnail_id:
            self.fs.delete(out.thumbnail_id)

        return super().delete()

    def _put_thumbnail(self, thumbnail, format, progressive, **kwargs):
        w, h = thumbnail.size