View function is not called from urls.patterns

Question

My view's function are not called by urls.py patterns. I can only call them explicitly.

Basic Layout is

--project
----persons
----project

project/urls.py is:

from django.conf.urls import url, include, patterns
from .views import page   #irrelevant
# from persons import views as person_views

urlpatterns = patterns('',
    url(r'^(?P<slug>[\w./-]+)/$', page, name='page'), #irrelevant
    url(r'^$', page, name='homepage'),                #irrelevant
    url(r'^persons/', include('persons.urls', namespace='persons')),  # WORKS
#   url(r'^persons/$', person_views.persons, name='persons'),   #wont work
#   url(r'^persons/add/$', person_views.add_person, name='add_person'),  #wont work
)

Everything is ok until this point, since persons.urls is included successfully... But inside:

persons/urls.py:

from django.conf.urls import patterns, url
#from persons.views import index_persons, add_person
from persons import views

#views.index_persons('GET / HTTP/1.0')  # >>> WORKS - function called <<< !!!

urlpatterns = patterns('',
    url(r'.', views.index_persons, name='index_persons'), # DOES NOT WORK
    url(r'^add/', views.add_person, name='add_person'),   # DOES NOT WORK
)

I have also tried other regex like:

    url(r'*', views.index_persons, name='index_persons'), # DOES NOT WORK
    url(r'^$', views.index_persons, name='index_persons'), # DOES NOT WORK

no luck...

My persons/views.py file contains:

def index_persons(request):
    print 'WHY???'

def add_person(request):
    print 'WHY???'

'WHY???' is normally printed in the console (stdout - since I execute from manage.py runserver), when the index_persons function is called explicitly from persons/urls.py

Any thoughts?

Alasdair · Accepted Answer · 2015-04-01 23:08:52Z

5

In project/urls.py, move the page url pattern below the other ones. Otherwise, a request to /persons/ will be matched by the page url pattern first.

url(r'^$', page, name='homepage'),
url(r'^persons/', include('persons.urls', namespace='persons')),
url(r'^(?P<slug>[\w./-]+)/$', page, name='page'),

Inside persons/urls.py, you should have:

urlpatterns = patterns('',
    url(r'^$', views.index_persons, name='index_persons'),
    url(r'^add/$', views.add_person, name='add_person'),
)

edited Apr 1, 2015 at 23:08

answered Apr 1, 2015 at 20:59

Alasdair

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2 Comments

stelios Over a year ago

Thank you so much Alasdair. To be precise I had to put the r'^persons/ rule below both the other statements.

Alasdair Over a year ago

Glad you got it working. I got the order wrong when I copy-pasted before, I've fixed it now.

levi · Accepted Answer · 2015-04-01 19:35:55Z

1

Your url rule should be

url(r'^/?$, views.index_persons, name='index_persons'),

NOTE 1: Don't forget to restart the server.

NOTE 2: namespace='persons' is equal to not set namespace, because your url is persons/ is the same.

answered Apr 1, 2015 at 19:35

levi

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3 Comments

knbk Over a year ago

That second note is not true, Django doesn't take the namespace from the url pattern. If you don't set it, the urls are not namespaced.

levi Over a year ago

@knbk I mean, is the same because your url pattern and namespace will be the same.

knbk Over a year ago

Ok, maybe I just misunderstood. If you mean that the matching path will be the same regardless of namespace, you're right. Not (explicitly) setting the namespace or setting it to 'persons' makes a huge difference when reversing urls, though.

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