Hey there. I'm starting a term as web development editor at my student
newspaper in the fall, and we recently (February) launched a new site
created in Django. My background's definitely more in design than in
development per se, so I'm trying to get up to speed with Django by
putting together a blogging application for the site. Shouldn't be too
hard--yay for generic views--but I'm having trouble with the URLconf
at the moment.
The problem is that I need to be able to support multiple blogs (for
example, one on student government, one on the local music scene,
etc.), hence the Blog.slug field, which I'm hoping to be able to grab
from the URL so I can figure out which entries I need to pass to the
template. With that in mind, then, I've got the following URLconf
(included in the root URLconf at /blog/):
---
from django.conf.urls.defaults import *
from maneater.blogging.models import Entry, Blog
urlpatterns = patterns('django.views.generic.list_detail',
(r'^$', 'object_list', {'queryset': Blog.objects.all(),}),
)
urlpatterns += patterns('django.views.generic.date_based',
(r'^(?P<blog_slug>[-\w]+)/$', 'archive_index', {'queryset':
Entry.objects.filter(blog__slug__exact=blog_slug), 'date_field':
'date',}),
(r'^(?P<blog_slug>[-\w]+)/(?P<year>\d{4})/$', 'archive_year',
{'queryset': Entry.objects.filter(blog__slug__exact=blog_slug),
'date_field': 'date',}),
(r'^(?P<blog_slug>[-\w]+)/(?P<year>\d{4})/(?P<month>\w{1,2})/$',
'archive_month', {'queryset':
Entry.objects.filter(blog__slug__exact=blog_slug), 'date_field':
'date', 'month_format': '%m',}),
(r'^(?P<blog_slug>[-\w]+)/(?P<year>\d{4})/(?P<month>\w{1,2})/(?
P<day>\w{1,2})/$', 'archive_day', {'queryset':
Entry.objects.filter(blog__slug__exact=blog_slug), 'date_field':
'date', 'month_format': '%m',}),
(r'^(?P<blog_slug>[-\w]+)/(?P<year>\d{4})/(?P<month>\w{1,2})/(?
P<day>\w{1,2})/(?P<slug>[-\w]+)/$', 'object_detail', {'queryset':
Entry.objects.filter(blog__slug__exact=blog_slug), 'date_field':
'date', 'month_format': '%m',}),
)
---
The object_list view works great, as long as it's the only pattern in
the URLconf. As soon as I add all the date-based stuff, though, I get
a fun little 500:
---
Environment:
Request Method: GET
Request URL: http://127.0.0.1:8000/blog/
Django Version: 0.97-pre-SVN-unknown
Python Version: 2.5.2
Installed Applications:
['django.contrib.admin',
'maneater.newspaper_content',
'maneater.newspaper_publishing',
'maneater.podcasting',
'maneater.newspaper_staff',
'maneater.website_management',
'maneater.blogging',
'django.contrib.flatpages',
'django.contrib.contenttypes',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.sites',
'django.contrib.sitemaps']
Installed Middleware:
('django.contrib.sessions.middleware.SessionMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.middleware.gzip.GZipMiddleware',
'django.middleware.common.CommonMiddleware',
'django.middleware.doc.XViewMiddleware',
'django.contrib.flatpages.middleware.FlatpageFallbackMiddleware')
Traceback:
File "C:\Python25\Lib\site-packages\django\core\handlers\base.py" in
get_response
76. callback, callback_args, callback_kwargs =
resolver.resolve(request.path)
File "C:\Python25\Lib\site-packages\django\core\urlresolvers.py" in
resolve
233. sub_match = pattern.resolve(new_path)
File "C:\Python25\Lib\site-packages\django\core\urlresolvers.py" in
resolve
231. for pattern in self.urlconf_module.urlpatterns:
File "C:\Python25\Lib\site-packages\django\core\urlresolvers.py" in
_get_urlconf_module
255. raise ImproperlyConfigured, "Error while
importing URLconf %r: %s" % (self.urlconf_name, e)
Exception Type: ImproperlyConfigured at /blog/
Exception Value: Error while importing URLconf
'maneater.blogging.urls': name 'blog_slug' is not defined
---
So I know it doesn't like how I'm trying to filter by the blog slug in
the URL (capturing the named group <blog_slug> and trying to pass
{'queryset': Entry.objects.filter(blog__slug__exact=blog_slug)} to the
view). I'm not really sure how I _should_ go about it, though. Any
ideas?
Thanks!
-Justin
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