Boston Python Workshop/Saturday/Web app project: Difference between revisions

Time for an example. Edit mysite/urls.py so it looks like this:

 

from django.conf.urls.defaults import *

 

(r'^polls/(\d+)/vote/$', 'polls.views.vote'),

)

This is worth a review. When somebody requests a page from your Web site -- say, "/polls/23/", Django will load the ''urls.py'' Python module, because it's pointed to by the ROOT_URLCONF setting. It finds the variable named urlpatterns and traverses the regular expressions in order. When it finds a regular expression that matches -- r'^polls/(\d+)/$' -- it loads the function detail() from polls/views.py. Finally, it calls that detail() function like so: