'Get the course with the given courseid (org/course/run)'

def get_course(self, course_key, depth=0, **kwargs):

    assert isinstance(course_key, CourseKey)
    if (not course_key.deprecated):
        raise ItemNotFoundError(course_key)
    course_key = self.fill_in_run(course_key)
    location = course_key.make_usage_key('course', course_key.run)
    try:
        return self.get_item(location, depth=depth)
    except ItemNotFoundError:
        return None
