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Edited docs/syndication_feeds.txt changes from [6741]

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git-svn-id: http://code.djangoproject.com/svn/django/trunk@6873 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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Adrian Holovaty
2007-12-04 05:58:43 +00:00
parent 72a5c03dee
commit 3c654625f1
1 changed files with 5 additions and 3 deletions
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docs/syndication_feeds.txt
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@@ -234,6 +234,7 @@ request to the URL ``/rss/beats/0613/``:
``get_object()`` method, passing it the bits. In this case, bits is ``get_object()`` method, passing it the bits. In this case, bits is
``['0613']``. For a request to ``/rss/beats/0613/foo/bar/``, bits would ``['0613']``. For a request to ``/rss/beats/0613/foo/bar/``, bits would
be ``['0613', 'foo', 'bar']``. be ``['0613', 'foo', 'bar']``.
* ``get_object()`` is responsible for retrieving the given beat, from the * ``get_object()`` is responsible for retrieving the given beat, from the
given ``bits``. In this case, it uses the Django database API to retrieve given ``bits``. In this case, it uses the Django database API to retrieve
the beat. Note that ``get_object()`` should raise the beat. Note that ``get_object()`` should raise
@@ -243,6 +244,7 @@ request to the URL ``/rss/beats/0613/``:
raises ``Beat.DoesNotExist`` on failure, and ``Beat.DoesNotExist`` is a raises ``Beat.DoesNotExist`` on failure, and ``Beat.DoesNotExist`` is a
subclass of ``ObjectDoesNotExist``. Raising ``ObjectDoesNotExist`` in subclass of ``ObjectDoesNotExist``. Raising ``ObjectDoesNotExist`` in
``get_object()`` tells Django to produce a 404 error for that request. ``get_object()`` tells Django to produce a 404 error for that request.
* To generate the feed's ``<title>``, ``<link>`` and ``<description>``, * To generate the feed's ``<title>``, ``<link>`` and ``<description>``,
Django uses the ``title()``, ``link()`` and ``description()`` methods. In Django uses the ``title()``, ``link()`` and ``description()`` methods. In
the previous example, they were simple string class attributes, but this the previous example, they were simple string class attributes, but this
@@ -258,9 +260,9 @@ request to the URL ``/rss/beats/0613/``:
Inside the ``link()`` method, we handle the possibility that ``obj`` Inside the ``link()`` method, we handle the possibility that ``obj``
might be ``None``, which can occur when the URL isn't fully specified. In might be ``None``, which can occur when the URL isn't fully specified. In
some cases, you might want to do something else in this case, which would some cases, you might want to do something else in this case, which would
mean you'd need to check for ``obj`` existing in other methods as well mean you'd need to check for ``obj`` existing in other methods as well.
(the ``link()`` method is called very early in the feed generation (The ``link()`` method is called very early in the feed generation
process, so is a good place to bail out early). process, so it's a good place to bail out early.)
* Finally, note that ``items()`` in this example also takes the ``obj`` * Finally, note that ``items()`` in this example also takes the ``obj``
argument. The algorithm for ``items`` is the same as described in the argument. The algorithm for ``items`` is the same as described in the