Here's the (simple) solution:
http://stackoverflow.com/questions/2621440/generic-list-view-raises-attribute-error-function-object-has-no-attribute-c
Change .filter(pub_date__lte=datetime.datetime.now())
to .filter(pub_date__lte=datetime.datetime.now)
On Apr 12, 11:46 am, QC <querycl...@googlemail.com> wrote:
> An odd error here, perhaps someone can help track down source as it's
> attempting to extend the Django CMS & attempts to use uses some logic
> written as part of that project. In short, using:
>
> urls.py
> ======================
> from django.conf.urls.defaults import *
> from cmsplugin_flat_news.models import News
>
> '''RETURNING _CLONE ERROR WHEN IMPLEMENTED
> def get_news():
> return News.published.all()
>
> news_dict = {
> 'queryset': get_news,
>
> }
>
> news_list_dic = {
> 'queryset': get_news,
> 'paginate_by': 50,}
>
> '''
> # NEXT SECTION FUNCTIONS BUT NEEDS SERVER RESTART TO SEE NEW POSTS.
> SEE:http://docs.djangoproject.com/en/dev/topics/db/queries/#caching-and-q...
> & EXAMPLE
> HERE:http://docs.djangoproject.com/en/dev/topics/generic-views/#adding-ext...
>
> news_dict = {
> 'queryset': News.published.all(),
>
> }
>
> news_list_dic = {
> 'queryset': News.published.all(),#SAME ISSUE
> 'paginate_by': 50,
>
> }
>
> urlpatterns = patterns('django.views.generic.list_detail',
> (r'^$', 'object_list', news_list_dic),
> (r'^(?P<page>[0-9]+)/$', 'object_list', dict(news_list_dic)),
> url(r'^(?P<slug>[-\w]+)/$', 'object_detail', news_dict,
> name='news_view'),
> )
>
> models.py
> ======================
> class PublishedNewsManager(models.Manager):
> #Filters out all unpublished news and news with a publication date in
> the future
> def get_query_set(self):
> return super(PublishedNewsManager, self).get_query_set() \
> .filter(is_published=True) \
>
> .filter(pub_date__lte=datetime.datetime.now())
>
> class News(models.Model):
> title = models.CharField(_('Title'), max_length=255)
> slug = models.SlugField(_('Slug'),
> unique_for_date='pub_date')
> author = models.ForeignKey(User)
> description = models.TextField(_('Description'),
> blank=True)
> image = generic.GenericRelation('NewsImage',
> blank=True, null=True)
> content = models.TextField(_('Content'), blank=True)
> tags = TagField()
> is_published = models.BooleanField(_('Published'), default=False)
> pub_date = models.DateTimeField(_('Publication date'),
> default=datetime.datetime.now())
> created = models.DateTimeField(auto_now_add=True,
> editable=False)
> updated = models.DateTimeField(auto_now=True,
> editable=False)
> published = PublishedNewsManager()
> objects = models.Manager()
>
> ===============
> See issue in comments: basically, error raised by implementing the
> 'correct' solution to add extra context to the views. Error is
> Attribute Error: "'function' object has no attribute '_clone'"
>
> Trying: News.published.all instead of News.published.all() raises the
> error whether used as part of a wrapper function or directly in the
> queryset part of the urlpattern.
>
> Must be missing something obvious? Think it is to do with the
> PublishedNewsManager not returning objects as a dictionary, or
> tweaking the code to correctly return the objects to the view.
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