Chapter 7 Unclear - patterns import not explained

[cspollar]

I could not find an explanation of why "patterns" is included in rango/urls.py. Previous and later examples of this file do not include "patterns".

The text in question is copied below.

Parameterised URL Mapping
Now let’s have a look at how we actually pass the value of the category_name_url parameter to the category() function. To do so, we need to modify Rango’s urls.py file and update the urlpatterns tuple as follows.

urlpatterns = patterns('',
url(r'^$', views.index, name='index'),
url(r'^about/$', views.about, name='about'),
url(r'^category/(?P<category_name_slug>[\w-]+)/$',
views.show_category, name='show_category'),)

[leifos]

Hi! Well spotted. it is not needed. it should be:

urlpatterns = [
url(r'^$', views.index, name='index'),
url(r'about/$', views.about, name='about'),
url(r'^add_category/$', views.add_category, name='add_category'),
url(r'^category/(?P<category_name_slug>[\w-]+)/$',
views.show_category, name='show_category'),
]

I will update it shortly.

Thanks
Leif

On Thu, Jun 2, 2016 at 5:59 AM, cspollar notifications@github.com wrote:

I could not find an explanation of why "patterns" is included in
rango/urls.py. Previous and later examples of this file do not include
"patterns".
The text in question is copied below.

Parameterised URL Mapping
Now let’s have a look at how we actually pass the value of the
category_name_url parameter to the category() function. To do so, we need
to modify Rango’s urls.py file and update the urlpatterns tuple as follows.
urlpatterns = patterns('',
url(r'^$', views.index, name='index'),
url(r'^about/$', views.about, name='about'),
url(r'^category/(?P[\w-]+)/$',
views.show_category, name='show_category'),)

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[leifos]

Thanks