armstrong/armstrong.core.arm_content — pull request #22 by joncotton (2012-01-11 18:31:40+00:00)
Title: Add an `is_published()` method for Content using the SimplePublicationMixin

This is the same check that the `PublishedManager` QuerySet filter uses. But where the Manager finds published content instances, this determines published status on a content instance you already have.