views.py 文件源码

def family_list(request):
    start_letter = request.GET.get('start_letter')
    if start_letter:
        first_letter = start_letter[0]
    else:
        first_letter = 'a'

    families = ProductFamily.objects \
        .prefetch_related('group') \
        .annotate(Count('file')) \
        .order_by('name')

    if first_letter == '#':
        families = families.exclude(name__regex=r'^[A-Za-z]')
    else:
        families = families.filter(name__istartswith=first_letter)

    all_letters = '#' + string.ascii_lowercase

    context = {'families': families, 'first_letter': first_letter, 'all_letters': all_letters}
    return render(request, 'msdn/family_list.html', context)