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75 lines
3.2 KiB
Plaintext
75 lines
3.2 KiB
Plaintext
============
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URL dispatch
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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 dispatch 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 dispatch; this
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document will continue on 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\d{4})/$', 'myproject.news.views.articles.year_archive'),
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(r'^/articles/(?P\d{4})/(?P\d{2})/$', 'myproject.news.views.articles.month_archive'),
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(r'^/articles/(?P\d{4})/(?P\d{2})/$', 'myproject.news.views.articles.month_archive'),
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(r'^/articles/(?P\d{4})/(?P\d{2})/(?P\d+)/$', 'myproject.news.views.articles.article_detail'),
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)
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You can see that the first argument to ``patterns`` is an empty string in the
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above example, but it's actually very useful. The first argument will be
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prepended to all the view functions in the urlpatterns list, so the above
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example could be written more concisely as::
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urlpatterns = patterns('myproject.news.views.articles',
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(r'^/articles/(?P\d{4})/$', 'year_archive'),
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(r'^/articles/(?P\d{4})/(?P\d{2})/$', 'month_archive'),
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(r'^/articles/(?P\d{4})/(?P\d{2})/$', 'month_archive'),
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(r'^/articles/(?P\d{4})/(?P\d{2})/(?P\d+)/$', 'article_detail'),
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)
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Including other URL configs
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===========================
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You can also "include" other URL config modules at any point along the path.
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This is essence "roots" a set of URLs below other ones. This is most often used
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for a site's "base" URL config; the ``ROOT_URLCONF`` setting points to a urlconf
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module that will be used for the entire site. This is the URL config for the
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`Django website`_ itself which includes a number of other URL config modules::
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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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(r'', include('django.conf.urls.flatfiles')),
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)
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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 url config tuples. This third element can be a dictionary of extra
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keyword 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\d{4})/$', 'year_archive', {key: value, key2: value 2}),
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)
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This is especially useful for `generic view functions`_.
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.. _`generic view functions`: http://www.djangoproject.com/documentation/generic_views/ |