Incorrect Django URL pattern match for 2 views with the same URL structure?

Question

I have two url patterns in Django:

urlpatterns += patterns('',
    url(r'^(?P<song_name>.+)-(?P<dj_slug>.+)-(?P<song_id>.+)/$', songs.dj_song, name='dj_song'),
    url(r'^(?P<song_name>.+)-(?P<artist_slug>.+)-(?P<song_id>.+)/$', songs.trending_song, name='trending_song'),
)

When I visit a URL of the first pattern, it opens it correctly. However if I try and visit a URL of the second pattern, it tries to access the first view again. The variables song_name, dj_slug, artist_slugare strings and song_id is an integer.

What should be the URL patterns for such a case with similar URL structure?

sample urls you tried to access your views with would be useful - maybe then you would realize what was wrong in the first place :) — user3012759
– user3012759, Commented Mar 10, 2015 at 15:18

catavaran · Accepted Answer · 2015-03-10 15:14:45Z

1

Both urls use the same regex. I removed the group names and get:

url(r'^(.+)-(.+)-(.+)/$', songs.dj_song, name='dj_song'),
url(r'^(.+)-(.+)-(.+)/$', songs.trending_song, name='trending_song'),

Of course django uses the first match.

You should use different urls for different views. For example add the prefix to the second url:

url(r'^trending/(?P<song_name>.+)-(?P<artist_slug>.+)-(?P<song_id>.+)/$',
                                  songs.trending_song, name='trending_song'),

answered Mar 10, 2015 at 15:14

catavaran

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2 Comments

Yin Yang Over a year ago

So it isn't possible to use the same URL pattern for 2 different views?

catavaran Over a year ago

Yes, it is not possible. Yesterday-Beatles-123 - is this the DJ Song of Trending Song? :-)

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