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pagetribe .

Working with models, part 2 - 0 views

www.b-list.org/...working-models

_meta models many-to-many django

shared by pagetribe . on 18 Nov 08 - Cached
  • Every Django model class and every instance of every Django model class has an attribute on it named _meta
  • pagetribe . on 18 Nov 08
     
    Nice info on the usage of _meta on django models.
pagetribe .

Chapter 11: Generic Views - 0 views

www.djangobook.com/...chapter11

generic views django

shared by pagetribe . on 15 Jun 09 - Cached
  • from django.conf.urls.defaults import * from django.views.generic import list_detail from mysite.books.models import Publisher publisher_info = { 'queryset': Publisher.objects.all(), 'template_name': 'publisher_list_page.html', } urlpatterns = patterns('', (r'^publishers/$', list_detail.object_list, publisher_info) )
  • That’s really all there is to it. All the cool features of generic views come from changing the “info” dictionary passed to the generic view.
  • You might have noticed that sample publisher list template stores all the books in a variable named object_list.
  • ...10 more annotations...
  • it isn’t all that “friendly” to template authors: they have to “just know” that they’re dealing with books here.
  • better name
  • publisher_list;
  • 'template_object_name': 'publisher',
  • If you want to present a list of books by a particular publisher, you can use the same technique:
  • Another common need is to filter the objects given in a list page by some key in the URL. Earlier we hard-coded the publisher’s name in the URLconf, but what if we wanted to write a view that displayed all the books by some arbitrary publisher?
  • “wrap” the object_list generic view
  • # Look up the publisher (and raise a 404 if it can't be found). publisher = get_object_or_404(Publisher, name__iexact=name)
  • Notice that in the preceding example we passed the current publisher being displayed in the extra_context. This is usually a good idea in wrappers of this nature; it lets the template know which “parent” object is currently being browsed.
  • Or, you could use a less obvious but shorter version that relies on the fact that Book.objects.all is itself a callable:
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