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90 lines
3.5 KiB
Plaintext
90 lines
3.5 KiB
Plaintext
==============
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URL dispatcher
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==============
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We're fanatics about good URLs. No ".php" or ".cgi", and certainly not any of
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that "0,2097,1-1-1928,00" nonsense. Django's URL dispatcher lets you design
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your URLs to be as pretty as the rest of your application.
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See `the Django overview`_ for a quick introduction to URL configurations; this
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document will continue from there.
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.. _`the Django overview`: http://www.djangoproject.com/documentation/overview/#design-your-urls
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The view prefix
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===============
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Here's the example from that overview::
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from django.conf.urls.defaults import *
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urlpatterns = patterns('',
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(r'^/articles/(?P<year>\d{4})/$', 'myproject.news.views.articles.year_archive'),
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(r'^/articles/(?P<year>\d{4})/(?P<month>\d{2})/$', 'myproject.news.views.articles.month_archive'),
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(r'^/articles/(?P<year>\d{4})/(?P<month>\d{2})/(?P<day>\d+)/$', 'myproject.news.views.articles.article_detail'),
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)
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The first argument to ``patterns`` is an empty string in the above example, but
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that argument can be useful. The first argument is prepended to all the view
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functions in the urlpatterns list, so the above example could be written more
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concisely as::
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urlpatterns = patterns('myproject.news.views.articles',
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(r'^/articles/(?P<year>\d{4})/$', 'year_archive'),
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(r'^/articles/(?P<year>\d{4})/(?P<month>\d{2})/$', 'month_archive'),
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(r'^/articles/(?P<year>\d{4})/(?P<month>\d{2})/(?P<day>\d+)/$', 'article_detail'),
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)
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.. admonition:: Note
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More precisely, the actual view function used is ``prefix + "." +
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function_name``. The trailing "dot" does not need to be put in the prefix.
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Including other URLconfs
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========================
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You can also "include" other URLconf modules at any point along the path. This
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essentially "roots" a set of URLs below other ones. This is most often used
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for a site's "base" URLconf; the ``ROOT_URLCONF`` setting points to a urlconf
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module that will be used for the entire site. Here's the URLconf for the
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`Django website`_ itself. It includes a number of other URLconfs::
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from django.conf.urls.defaults import *
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urlpatterns = patterns('',
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(r'^weblog/', include('django_website.apps.blog.urls.blog')),
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(r'^documentation/', include('django_website.apps.docs.urls.docs')),
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(r'^comments/', include('django.contrib.comments.urls.comments')),
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(r'^rss/', include('django.conf.urls.rss')),
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)
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Note that an included URLconf receives any captured parameters from parent
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URLconfs, so the following example is valid::
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# In settings/urls/main.py
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urlpatterns = patterns('',
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(r'^(?P<username>\w+)/blog/', include('foo.urls.blog')),
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)
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# In foo/urls/blog.py
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urlpatterns = patterns('foo.views'
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(r'^$', 'blog.index'),
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(r'^archive/$', 'blog.archive'),
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In the above example, the captured ``"username"`` variable is passed to the
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included URLconf, as expected.
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.. _`Django website`: http://www.djangoproject.com/
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Passing extra options to view functions
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=======================================
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There are two ways of passing arguments into your view functions: named captures
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from the regex (which you've already seen) and the optional third element
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in URLconf tuples. This third element can be a dictionary of extra keyword
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arguments that will be passed to the view function::
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urlpatterns = patterns('myproject.news.views.articles',
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(r'^/articles/(?P<year>\d{4})/$', 'year_archive', {key: value, key2: value2}),
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)
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