views.py 文件源码

def edit_grid(request, slug, template_name="grid/update_grid.html"):
    """View to modify the grid, handles GET and POST requests.
    This view requires user to be logged in.

    Template context:

    * ``form`` - instance of :class:`grid.forms.GridForm`
    """

    if not request.user.profile.can_edit_grid:
        return HttpResponseForbidden("permission denied")

    grid = get_object_or_404(Grid, slug=slug)
    form = GridForm(request.POST or None, instance=grid)

    if form.is_valid():
        grid = form.save()
        message = "Grid has been edited"
        messages.add_message(request, messages.INFO, message)
        return HttpResponseRedirect(reverse('grid', kwargs={'slug': grid.slug}))
    return render(request, template_name, {'form': form,  'grid': grid})