def index(request):
logging.info('test of long key chain')
season = Season.objects.all().get()
if season is None:
season = Season()
season.name = '2011/12'
season.save()
logging.info('season=%s'%season)
category = Category.objects.all().get()
if category is None:
category = Category(parent = season)
category.name = 'cat1'
category.save()
logging.info('category=%s'%category)
course = Course.objects.all().get()
if course is None:
course = Course(parent = category)
course.code = 'X1'
course.save()
logging.info('course=%s'%course)
group = Group.objects.all().get()
if group is None:
group = Group(parent = course)
group.name = 'gr1'
group.save()
logging.info('group=%s'%group)
student = Student.objects.all().get()
if student is None:
student = Student(parent = group)
student.name ='st1'
student.save()
logging.info('student=%s'%student)
st = Student.objects.all().ancestor(course).get()
logging.info('ancestor test:%s'%st)
return render_to_response('school/index.html', RequestContext(request))
