Django Unleashed

6.2.1 Reversing URL Patterns

If we take a regular expression pattern without character sets or groups (named or otherwise), then reversal is simple. Our organizer_tag_list URL pattern has r'^tag/$' for its regular expression pattern. The URL path /tag/ is the only string that matches this regular expression pattern and therefore the string we want to generate.

As with everything else, Django makes our lives easy by supplying a tool to do exactly what we want, helpfully called reverse(). We can simply import the reverse() function from django.core.urlresolvers. We then pass reverse() the name attribute of a URL pattern. To test this functionality, we step into the Python interpreter (or IPython) with ./manager.py shell, as shown in Example 6.1 ...