author | Lennard de Rijk <ljvderijk@gmail.com> |
Mon, 13 Jul 2009 00:53:42 +0200 | |
changeset 2616 | 9321e100a7fb |
parent 109 | 620f9b141567 |
permissions | -rw-r--r-- |
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The syndication feed framework |
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============================== |
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Django comes with a high-level syndication-feed-generating framework that makes |
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creating RSS_ and Atom_ feeds easy. |
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To create any syndication feed, all you have to do is write a short Python |
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class. You can create as many feeds as you want. |
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Django also comes with a lower-level feed-generating API. Use this if you want |
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to generate feeds outside of a Web context, or in some other lower-level way. |
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.. _RSS: http://www.whatisrss.com/ |
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.. _Atom: http://www.atomenabled.org/ |
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The high-level framework |
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======================== |
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Overview |
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-------- |
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The high-level feed-generating framework is a view that's hooked to ``/feeds/`` |
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by default. Django uses the remainder of the URL (everything after ``/feeds/``) |
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to determine which feed to output. |
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To create a feed, just write a ``Feed`` class and point to it in your URLconf_. |
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.. _URLconf: ../url_dispatch/ |
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Initialization |
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-------------- |
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To activate syndication feeds on your Django site, add this line to your |
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URLconf_:: |
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(r'^feeds/(?P<url>.*)/$', 'django.contrib.syndication.views.feed', {'feed_dict': feeds}), |
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This tells Django to use the RSS framework to handle all URLs starting with |
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``"feeds/"``. (You can change that ``"feeds/"`` prefix to fit your own needs.) |
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This URLconf line has an extra argument: ``{'feed_dict': feeds}``. Use this |
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extra argument to pass the syndication framework the feeds that should be |
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published under that URL. |
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Specifically, ``feed_dict`` should be a dictionary that maps a feed's slug |
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(short URL label) to its ``Feed`` class. |
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You can define the ``feed_dict`` in the URLconf itself. Here's a full example |
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URLconf:: |
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from django.conf.urls.defaults import * |
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from myproject.feeds import LatestEntries, LatestEntriesByCategory |
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feeds = { |
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'latest': LatestEntries, |
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'categories': LatestEntriesByCategory, |
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} |
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urlpatterns = patterns('', |
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# ... |
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(r'^feeds/(?P<url>.*)/$', 'django.contrib.syndication.views.feed', |
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{'feed_dict': feeds}), |
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# ... |
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) |
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The above example registers two feeds: |
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* The feed represented by ``LatestEntries`` will live at ``feeds/latest/``. |
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* The feed represented by ``LatestEntriesByCategory`` will live at |
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``feeds/categories/``. |
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Once that's set up, you just need to define the ``Feed`` classes themselves. |
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.. _URLconf: ../url_dispatch/ |
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.. _settings file: ../settings/ |
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Feed classes |
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------------ |
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A ``Feed`` class is a simple Python class that represents a syndication feed. |
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A feed can be simple (e.g., a "site news" feed, or a basic feed displaying |
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the latest entries of a blog) or more complex (e.g., a feed displaying all the |
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blog entries in a particular category, where the category is variable). |
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``Feed`` classes must subclass ``django.contrib.syndication.feeds.Feed``. They |
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can live anywhere in your codebase. |
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A simple example |
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---------------- |
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This simple example, taken from `chicagocrime.org`_, describes a feed of the |
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latest five news items:: |
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from django.contrib.syndication.feeds import Feed |
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from chicagocrime.models import NewsItem |
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class LatestEntries(Feed): |
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title = "Chicagocrime.org site news" |
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link = "/sitenews/" |
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description = "Updates on changes and additions to chicagocrime.org." |
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def items(self): |
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return NewsItem.objects.order_by('-pub_date')[:5] |
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Note: |
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* The class subclasses ``django.contrib.syndication.feeds.Feed``. |
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* ``title``, ``link`` and ``description`` correspond to the standard |
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RSS ``<title>``, ``<link>`` and ``<description>`` elements, respectively. |
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* ``items()`` is, simply, a method that returns a list of objects that |
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should be included in the feed as ``<item>`` elements. Although this |
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example returns ``NewsItem`` objects using Django's |
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`object-relational mapper`_, ``items()`` doesn't have to return model |
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instances. Although you get a few bits of functionality "for free" by |
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using Django models, ``items()`` can return any type of object you want. |
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117 |
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One thing's left to do. In an RSS feed, each ``<item>`` has a ``<title>``, |
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``<link>`` and ``<description>``. We need to tell the framework what data to |
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put into those elements. |
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121 |
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* To specify the contents of ``<title>`` and ``<description>``, create |
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`Django templates`_ called ``feeds/latest_title.html`` and |
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``feeds/latest_description.html``, where ``latest`` is the ``slug`` |
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specified in the URLconf for the given feed. Note the ``.html`` extension |
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is required. The RSS system renders that template for each item, passing |
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it two template context variables: |
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128 |
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* ``{{ obj }}`` -- The current object (one of whichever objects you |
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returned in ``items()``). |
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* ``{{ site }}`` -- A ``django.models.core.sites.Site`` object |
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representing the current site. This is useful for |
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``{{ site.domain }}`` or ``{{ site.name }}``. |
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134 |
|
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135 |
If you don't create a template for either the title or description, the |
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framework will use the template ``"{{ obj }}"`` by default -- that is, |
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the normal string representation of the object. You can also change the |
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names of these two templates by specifying ``title_template`` and |
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``description_template`` as attributes of your ``Feed`` class. |
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* To specify the contents of ``<link>``, you have two options. For each |
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item in ``items()``, Django first tries executing a |
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``get_absolute_url()`` method on that object. If that method doesn't |
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exist, it tries calling a method ``item_link()`` in the ``Feed`` class, |
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passing it a single parameter, ``item``, which is the object itself. |
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Both ``get_absolute_url()`` and ``item_link()`` should return the item's |
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146 |
URL as a normal Python string. |
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147 |
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148 |
* For the LatestEntries example above, we could have very simple feed templates: |
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149 |
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150 |
* latest_title.html:: |
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151 |
|
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152 |
{{ obj.title }} |
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153 |
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154 |
* latest_description.html:: |
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155 |
|
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156 |
{{ obj.description }} |
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157 |
|
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158 |
.. _chicagocrime.org: http://www.chicagocrime.org/ |
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159 |
.. _object-relational mapper: ../db_api/ |
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160 |
.. _Django templates: ../templates/ |
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161 |
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162 |
A complex example |
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163 |
----------------- |
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164 |
|
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165 |
The framework also supports more complex feeds, via parameters. |
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166 |
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167 |
For example, `chicagocrime.org`_ offers an RSS feed of recent crimes for every |
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168 |
police beat in Chicago. It'd be silly to create a separate ``Feed`` class for |
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169 |
each police beat; that would violate the `DRY principle`_ and would couple data |
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170 |
to programming logic. Instead, the syndication framework lets you make generic |
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171 |
feeds that output items based on information in the feed's URL. |
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172 |
|
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173 |
On chicagocrime.org, the police-beat feeds are accessible via URLs like this: |
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174 |
|
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175 |
* ``/rss/beats/0613/`` -- Returns recent crimes for beat 0613. |
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176 |
* ``/rss/beats/1424/`` -- Returns recent crimes for beat 1424. |
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177 |
|
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178 |
The slug here is ``"beats"``. The syndication framework sees the extra URL bits |
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179 |
after the slug -- ``0613`` and ``1424`` -- and gives you a hook to tell it what |
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180 |
those URL bits mean, and how they should influence which items get published in |
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181 |
the feed. |
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182 |
|
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183 |
An example makes this clear. Here's the code for these beat-specific feeds:: |
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184 |
|
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185 |
class BeatFeed(Feed): |
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186 |
def get_object(self, bits): |
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187 |
# In case of "/rss/beats/0613/foo/bar/baz/", or other such clutter, |
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188 |
# check that bits has only one member. |
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189 |
if len(bits) != 1: |
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190 |
raise ObjectDoesNotExist |
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191 |
return Beat.objects.get(beat__exact=bits[0]) |
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192 |
|
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193 |
def title(self, obj): |
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194 |
return "Chicagocrime.org: Crimes for beat %s" % obj.beat |
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195 |
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196 |
def link(self, obj): |
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197 |
return obj.get_absolute_url() |
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198 |
|
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199 |
def description(self, obj): |
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200 |
return "Crimes recently reported in police beat %s" % obj.beat |
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201 |
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202 |
def items(self, obj): |
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return Crime.objects.filter(beat__id__exact=obj.id).order_by('-crime_date')[:30] |
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204 |
|
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205 |
Here's the basic algorithm the RSS framework follows, given this class and a |
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206 |
request to the URL ``/rss/beats/0613/``: |
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207 |
|
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208 |
* The framework gets the URL ``/rss/beats/0613/`` and notices there's |
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209 |
an extra bit of URL after the slug. It splits that remaining string by |
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210 |
the slash character (``"/"``) and calls the ``Feed`` class' |
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211 |
``get_object()`` method, passing it the bits. In this case, bits is |
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212 |
``['0613']``. For a request to ``/rss/beats/0613/foo/bar/``, bits would |
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213 |
be ``['0613', 'foo', 'bar']``. |
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214 |
* ``get_object()`` is responsible for retrieving the given beat, from the |
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215 |
given ``bits``. In this case, it uses the Django database API to retrieve |
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216 |
the beat. Note that ``get_object()`` should raise |
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217 |
``django.core.exceptions.ObjectDoesNotExist`` if given invalid |
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218 |
parameters. There's no ``try``/``except`` around the |
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219 |
``Beat.objects.get()`` call, because it's not necessary; that function |
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220 |
raises ``Beat.DoesNotExist`` on failure, and ``Beat.DoesNotExist`` is a |
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subclass of ``ObjectDoesNotExist``. Raising ``ObjectDoesNotExist`` in |
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``get_object()`` tells Django to produce a 404 error for that request. |
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* To generate the feed's ``<title>``, ``<link>`` and ``<description>``, |
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Django uses the ``title()``, ``link()`` and ``description()`` methods. In |
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the previous example, they were simple string class attributes, but this |
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example illustrates that they can be either strings *or* methods. For |
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each of ``title``, ``link`` and ``description``, Django follows this |
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algorithm: |
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* First, it tries to call a method, passing the ``obj`` argument, where |
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``obj`` is the object returned by ``get_object()``. |
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* Failing that, it tries to call a method with no arguments. |
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* Failing that, it uses the class attribute. |
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* Finally, note that ``items()`` in this example also takes the ``obj`` |
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argument. The algorithm for ``items`` is the same as described in the |
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previous step -- first, it tries ``items(obj)``, then ``items()``, then |
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finally an ``items`` class attribute (which should be a list). |
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The ``ExampleFeed`` class below gives full documentation on methods and |
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attributes of ``Feed`` classes. |
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.. _DRY principle: http://c2.com/cgi/wiki?DontRepeatYourself |
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Specifying the type of feed |
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--------------------------- |
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By default, feeds produced in this framework use RSS 2.0. |
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To change that, add a ``feed_type`` attribute to your ``Feed`` class, like so:: |
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from django.utils.feedgenerator import Atom1Feed |
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class MyFeed(Feed): |
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feed_type = Atom1Feed |
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Note that you set ``feed_type`` to a class object, not an instance. |
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Currently available feed types are: |
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* ``django.utils.feedgenerator.Rss201rev2Feed`` (RSS 2.01. Default.) |
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* ``django.utils.feedgenerator.RssUserland091Feed`` (RSS 0.91.) |
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* ``django.utils.feedgenerator.Atom1Feed`` (Atom 1.0.) |
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Enclosures |
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---------- |
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To specify enclosures, such as those used in creating podcast feeds, use the |
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``item_enclosure_url``, ``item_enclosure_length`` and |
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``item_enclosure_mime_type`` hooks. See the ``ExampleFeed`` class below for |
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usage examples. |
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Language |
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-------- |
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Feeds created by the syndication framework automatically include the |
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appropriate ``<language>`` tag (RSS 2.0) or ``xml:lang`` attribute (Atom). This |
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comes directly from your `LANGUAGE_CODE setting`_. |
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.. _LANGUAGE_CODE setting: ../settings/#language-code |
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URLs |
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---- |
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284 |
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The ``link`` method/attribute can return either an absolute URL (e.g. |
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``"/blog/"``) or a URL with the fully-qualified domain and protocol (e.g. |
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``"http://www.example.com/blog/"``). If ``link`` doesn't return the domain, |
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the syndication framework will insert the domain of the current site, according |
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to your `SITE_ID setting`_. |
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290 |
|
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Atom feeds require a ``<link rel="self">`` that defines the feed's current |
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location. The syndication framework populates this automatically, using the |
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domain of the current site according to the SITE_ID setting. |
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294 |
|
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.. _SITE_ID setting: ../settings/#site-id |
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296 |
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Publishing Atom and RSS feeds in tandem |
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--------------------------------------- |
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Some developers like to make available both Atom *and* RSS versions of their |
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feeds. That's easy to do with Django: Just create a subclass of your ``feed`` |
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class and set the ``feed_type`` to something different. Then update your |
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URLconf to add the extra versions. |
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304 |
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Here's a full example:: |
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306 |
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from django.contrib.syndication.feeds import Feed |
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from chicagocrime.models import NewsItem |
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from django.utils.feedgenerator import Atom1Feed |
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class RssSiteNewsFeed(Feed): |
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title = "Chicagocrime.org site news" |
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link = "/sitenews/" |
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description = "Updates on changes and additions to chicagocrime.org." |
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def items(self): |
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return NewsItem.objects.order_by('-pub_date')[:5] |
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class AtomSiteNewsFeed(RssSiteNewsFeed): |
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feed_type = Atom1Feed |
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And the accompanying URLconf:: |
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323 |
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from django.conf.urls.defaults import * |
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from myproject.feeds import RssSiteNewsFeed, AtomSiteNewsFeed |
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326 |
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feeds = { |
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'rss': RssSiteNewsFeed, |
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'atom': AtomSiteNewsFeed, |
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} |
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331 |
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urlpatterns = patterns('', |
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333 |
# ... |
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|
334 |
(r'^feeds/(?P<url>.*)/$', 'django.contrib.syndication.views.feed', |
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|
335 |
{'feed_dict': feeds}), |
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336 |
# ... |
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|
337 |
) |
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|
338 |
|
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339 |
Feed class reference |
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340 |
-------------------- |
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|
341 |
|
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|
342 |
This example illustrates all possible attributes and methods for a ``Feed`` class:: |
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343 |
|
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344 |
from django.contrib.syndication.feeds import Feed |
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345 |
from django.utils import feedgenerator |
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346 |
|
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347 |
class ExampleFeed(Feed): |
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348 |
|
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349 |
# FEED TYPE -- Optional. This should be a class that subclasses |
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350 |
# django.utils.feedgenerator.SyndicationFeed. This designates which |
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351 |
# type of feed this should be: RSS 2.0, Atom 1.0, etc. |
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352 |
# If you don't specify feed_type, your feed will be RSS 2.0. |
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353 |
# This should be a class, not an instance of the class. |
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354 |
|
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355 |
feed_type = feedgenerator.Rss201rev2Feed |
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|
356 |
|
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|
357 |
# TEMPLATE NAMES -- Optional. These should be strings representing |
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|
358 |
# names of Django templates that the system should use in rendering the |
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359 |
# title and description of your feed items. Both are optional. |
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360 |
# If you don't specify one, or either, Django will use the template |
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|
361 |
# 'feeds/SLUG_title.html' and 'feeds/SLUG_description.html', where SLUG |
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362 |
# is the slug you specify in the URL. |
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|
363 |
|
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364 |
title_template = None |
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|
365 |
description_template = None |
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|
366 |
|
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|
367 |
# TITLE -- One of the following three is required. The framework looks |
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|
368 |
# for them in this order. |
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|
369 |
|
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|
370 |
def title(self, obj): |
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|
371 |
""" |
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|
372 |
Takes the object returned by get_object() and returns the feed's |
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|
373 |
title as a normal Python string. |
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|
374 |
""" |
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|
375 |
|
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|
376 |
def title(self): |
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|
377 |
""" |
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|
378 |
Returns the feed's title as a normal Python string. |
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|
379 |
""" |
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|
380 |
|
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|
381 |
title = 'foo' # Hard-coded title. |
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|
382 |
|
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|
383 |
# LINK -- One of the following three is required. The framework looks |
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|
384 |
# for them in this order. |
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|
385 |
|
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|
386 |
def link(self, obj): |
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|
387 |
""" |
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|
388 |
Takes the object returned by get_object() and returns the feed's |
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|
389 |
link as a normal Python string. |
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|
390 |
""" |
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changeset
|
391 |
|
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|
392 |
def link(self): |
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|
393 |
""" |
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|
394 |
Returns the feed's link as a normal Python string. |
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|
395 |
""" |
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changeset
|
396 |
|
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|
397 |
link = '/foo/bar/' # Hard-coded link. |
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|
398 |
|
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|
399 |
# DESCRIPTION -- One of the following three is required. The framework |
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|
400 |
# looks for them in this order. |
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changeset
|
401 |
|
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changeset
|
402 |
def description(self, obj): |
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|
403 |
""" |
620f9b141567
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changeset
|
404 |
Takes the object returned by get_object() and returns the feed's |
620f9b141567
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parents:
diff
changeset
|
405 |
description as a normal Python string. |
620f9b141567
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parents:
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changeset
|
406 |
""" |
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changeset
|
407 |
|
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changeset
|
408 |
def description(self): |
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changeset
|
409 |
""" |
620f9b141567
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diff
changeset
|
410 |
Returns the feed's description as a normal Python string. |
620f9b141567
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parents:
diff
changeset
|
411 |
""" |
620f9b141567
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parents:
diff
changeset
|
412 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
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changeset
|
413 |
description = 'Foo bar baz.' # Hard-coded description. |
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changeset
|
414 |
|
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parents:
diff
changeset
|
415 |
# AUTHOR NAME --One of the following three is optional. The framework |
620f9b141567
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parents:
diff
changeset
|
416 |
# looks for them in this order. |
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parents:
diff
changeset
|
417 |
|
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changeset
|
418 |
def author_name(self, obj): |
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|
419 |
""" |
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parents:
diff
changeset
|
420 |
Takes the object returned by get_object() and returns the feed's |
620f9b141567
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parents:
diff
changeset
|
421 |
author's name as a normal Python string. |
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parents:
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changeset
|
422 |
""" |
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parents:
diff
changeset
|
423 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
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parents:
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changeset
|
424 |
def author_name(self): |
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parents:
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changeset
|
425 |
""" |
620f9b141567
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parents:
diff
changeset
|
426 |
Returns the feed's author's name as a normal Python string. |
620f9b141567
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parents:
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changeset
|
427 |
""" |
620f9b141567
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Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
428 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
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changeset
|
429 |
author_name = 'Sally Smith' # Hard-coded author name. |
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
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parents:
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changeset
|
430 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
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parents:
diff
changeset
|
431 |
# AUTHOR E-MAIL --One of the following three is optional. The framework |
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parents:
diff
changeset
|
432 |
# looks for them in this order. |
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parents:
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changeset
|
433 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
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changeset
|
434 |
def author_email(self, obj): |
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parents:
diff
changeset
|
435 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
436 |
Takes the object returned by get_object() and returns the feed's |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
437 |
author's e-mail as a normal Python string. |
620f9b141567
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parents:
diff
changeset
|
438 |
""" |
620f9b141567
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Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
439 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
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parents:
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changeset
|
440 |
def author_email(self): |
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parents:
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changeset
|
441 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
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parents:
diff
changeset
|
442 |
Returns the feed's author's e-mail as a normal Python string. |
620f9b141567
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parents:
diff
changeset
|
443 |
""" |
620f9b141567
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Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
444 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
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parents:
diff
changeset
|
445 |
author_email = 'test@example.com' # Hard-coded author e-mail. |
620f9b141567
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Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
446 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
447 |
# AUTHOR LINK --One of the following three is optional. The framework |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
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parents:
diff
changeset
|
448 |
# looks for them in this order. In each case, the URL should include |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
449 |
# the "http://" and domain name. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
450 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
451 |
def author_link(self, obj): |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
452 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
453 |
Takes the object returned by get_object() and returns the feed's |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
454 |
author's URL as a normal Python string. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
455 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
456 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
457 |
def author_link(self): |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
458 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
459 |
Returns the feed's author's URL as a normal Python string. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
460 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
461 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
462 |
author_link = 'http://www.example.com/' # Hard-coded author URL. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
463 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
464 |
# CATEGORIES -- One of the following three is optional. The framework |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
465 |
# looks for them in this order. In each case, the method/attribute |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
466 |
# should return an iterable object that returns strings. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
467 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
468 |
def categories(self, obj): |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
469 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
470 |
Takes the object returned by get_object() and returns the feed's |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
471 |
categories as iterable over strings. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
472 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
473 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
474 |
def categories(self): |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
475 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
476 |
Returns the feed's categories as iterable over strings. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
477 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
478 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
479 |
categories = ("python", "django") # Hard-coded list of categories. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
480 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
481 |
# COPYRIGHT NOTICE -- One of the following three is optional. The |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
482 |
# framework looks for them in this order. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
483 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
484 |
def copyright(self, obj): |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
485 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
486 |
Takes the object returned by get_object() and returns the feed's |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
487 |
copyright notice as a normal Python string. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
488 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
489 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
490 |
def copyright(self): |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
491 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
492 |
Returns the feed's copyright notice as a normal Python string. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
493 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
494 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
495 |
copyright = 'Copyright (c) 2007, Sally Smith' # Hard-coded copyright notice. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
496 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
497 |
# ITEMS -- One of the following three is required. The framework looks |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
498 |
# for them in this order. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
499 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
500 |
def items(self, obj): |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
501 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
502 |
Takes the object returned by get_object() and returns a list of |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
503 |
items to publish in this feed. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
504 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
505 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
506 |
def items(self): |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
507 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
508 |
Returns a list of items to publish in this feed. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
509 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
510 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
511 |
items = ('Item 1', 'Item 2') # Hard-coded items. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
512 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
513 |
# GET_OBJECT -- This is required for feeds that publish different data |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
514 |
# for different URL parameters. (See "A complex example" above.) |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
515 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
516 |
def get_object(self, bits): |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
517 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
518 |
Takes a list of strings gleaned from the URL and returns an object |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
519 |
represented by this feed. Raises |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
520 |
django.core.exceptions.ObjectDoesNotExist on error. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
521 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
522 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
523 |
# ITEM LINK -- One of these three is required. The framework looks for |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
524 |
# them in this order. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
525 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
526 |
# First, the framework tries the get_absolute_url() method on each item |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
527 |
# returned by items(). Failing that, it tries these two methods: |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
528 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
529 |
def item_link(self, item): |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
530 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
531 |
Takes an item, as returned by items(), and returns the item's URL. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
532 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
533 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
534 |
def item_link(self): |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
535 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
536 |
Returns the URL for every item in the feed. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
537 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
538 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
539 |
# ITEM AUTHOR NAME --One of the following three is optional. The |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
540 |
# framework looks for them in this order. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
541 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
542 |
def item_author_name(self, item): |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
543 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
544 |
Takes an item, as returned by items(), and returns the item's |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
545 |
author's name as a normal Python string. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
546 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
547 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
548 |
def item_author_name(self): |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
549 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
550 |
Returns the author name for every item in the feed. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
551 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
552 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
553 |
item_author_name = 'Sally Smith' # Hard-coded author name. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
554 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
555 |
# ITEM AUTHOR E-MAIL --One of the following three is optional. The |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
556 |
# framework looks for them in this order. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
557 |
# |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
558 |
# If you specify this, you must specify item_author_name. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
559 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
560 |
def item_author_email(self, obj): |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
561 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
562 |
Takes an item, as returned by items(), and returns the item's |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
563 |
author's e-mail as a normal Python string. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
564 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
565 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
566 |
def item_author_email(self): |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
567 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
568 |
Returns the author e-mail for every item in the feed. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
569 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
570 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
571 |
item_author_email = 'test@example.com' # Hard-coded author e-mail. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
572 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
573 |
# ITEM AUTHOR LINK --One of the following three is optional. The |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
574 |
# framework looks for them in this order. In each case, the URL should |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
575 |
# include the "http://" and domain name. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
576 |
# |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
577 |
# If you specify this, you must specify item_author_name. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
578 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
579 |
def item_author_link(self, obj): |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
580 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
581 |
Takes an item, as returned by items(), and returns the item's |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
582 |
author's URL as a normal Python string. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
583 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
584 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
585 |
def item_author_link(self): |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
586 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
587 |
Returns the author URL for every item in the feed. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
588 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
589 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
590 |
item_author_link = 'http://www.example.com/' # Hard-coded author URL. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
591 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
592 |
# ITEM ENCLOSURE URL -- One of these three is required if you're |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
593 |
# publishing enclosures. The framework looks for them in this order. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
594 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
595 |
def item_enclosure_url(self, item): |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
596 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
597 |
Takes an item, as returned by items(), and returns the item's |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
598 |
enclosure URL. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
599 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
600 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
601 |
def item_enclosure_url(self): |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
602 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
603 |
Returns the enclosure URL for every item in the feed. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
604 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
605 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
606 |
item_enclosure_url = "/foo/bar.mp3" # Hard-coded enclosure link. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
607 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
608 |
# ITEM ENCLOSURE LENGTH -- One of these three is required if you're |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
609 |
# publishing enclosures. The framework looks for them in this order. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
610 |
# In each case, the returned value should be either an integer, or a |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
611 |
# string representation of the integer, in bytes. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
612 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
613 |
def item_enclosure_length(self, item): |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
614 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
615 |
Takes an item, as returned by items(), and returns the item's |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
616 |
enclosure length. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
617 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
618 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
619 |
def item_enclosure_length(self): |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
620 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
621 |
Returns the enclosure length for every item in the feed. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
622 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
623 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
624 |
item_enclosure_length = 32000 # Hard-coded enclosure length. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
625 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
626 |
# ITEM ENCLOSURE MIME TYPE -- One of these three is required if you're |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
627 |
# publishing enclosures. The framework looks for them in this order. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
628 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
629 |
def item_enclosure_mime_type(self, item): |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
630 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
631 |
Takes an item, as returned by items(), and returns the item's |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
632 |
enclosure mime type. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
633 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
634 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
635 |
def item_enclosure_mime_type(self): |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
636 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
637 |
Returns the enclosure length, in bytes, for every item in the feed. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
638 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
639 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
640 |
item_enclosure_mime_type = "audio/mpeg" # Hard-coded enclosure mime-type. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
641 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
642 |
# ITEM PUBDATE -- It's optional to use one of these three. This is a |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
643 |
# hook that specifies how to get the pubdate for a given item. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
644 |
# In each case, the method/attribute should return a Python |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
645 |
# datetime.datetime object. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
646 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
647 |
def item_pubdate(self, item): |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
648 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
649 |
Takes an item, as returned by items(), and returns the item's |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
650 |
pubdate. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
651 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
652 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
653 |
def item_pubdate(self): |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
654 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
655 |
Returns the pubdate for every item in the feed. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
656 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
657 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
658 |
item_pubdate = datetime.datetime(2005, 5, 3) # Hard-coded pubdate. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
659 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
660 |
# ITEM CATEGORIES -- It's optional to use one of these three. This is |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
661 |
# a hook that specifies how to get the list of categories for a given |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
662 |
# item. In each case, the method/attribute should return an iterable |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
663 |
# object that returns strings. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
664 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
665 |
def item_categories(self, item): |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
666 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
667 |
Takes an item, as returned by items(), and returns the item's |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
668 |
categories. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
669 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
670 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
671 |
def item_categories(self): |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
672 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
673 |
Returns the categories for every item in the feed. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
674 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
675 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
676 |
item_categories = ("python", "django") # Hard-coded categories. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
677 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
678 |
# ITEM COPYRIGHT NOTICE (only applicable to Atom feeds) -- One of the |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
679 |
# following three is optional. The framework looks for them in this |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
680 |
# order. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
681 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
682 |
def item_copyright(self, obj): |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
683 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
684 |
Takes an item, as returned by items(), and returns the item's |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
685 |
copyright notice as a normal Python string. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
686 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
687 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
688 |
def item_copyright(self): |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
689 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
690 |
Returns the copyright notice for every item in the feed. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
691 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
692 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
693 |
item_copyright = 'Copyright (c) 2007, Sally Smith' # Hard-coded copyright notice. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
694 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
695 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
696 |
The low-level framework |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
697 |
======================= |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
698 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
699 |
Behind the scenes, the high-level RSS framework uses a lower-level framework |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
700 |
for generating feeds' XML. This framework lives in a single module: |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
701 |
`django/utils/feedgenerator.py`_. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
702 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
703 |
Feel free to use this framework on your own, for lower-level tasks. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
704 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
705 |
The ``feedgenerator`` module contains a base class ``SyndicationFeed`` and |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
706 |
several subclasses: |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
707 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
708 |
* ``RssUserland091Feed`` |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
709 |
* ``Rss201rev2Feed`` |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
710 |
* ``Atom1Feed`` |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
711 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
712 |
Each of these three classes knows how to render a certain type of feed as XML. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
713 |
They share this interface: |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
714 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
715 |
``__init__(title, link, description, language=None, author_email=None,`` |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
716 |
``author_name=None, author_link=None, subtitle=None, categories=None,`` |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
717 |
``feed_url=None)`` |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
718 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
719 |
Initializes the feed with the given metadata, which applies to the entire feed |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
720 |
(i.e., not just to a specific item in the feed). |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
721 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
722 |
All parameters, if given, should be Unicode objects, except ``categories``, |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
723 |
which should be a sequence of Unicode objects. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
724 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
725 |
``add_item(title, link, description, author_email=None, author_name=None,`` |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
726 |
``pubdate=None, comments=None, unique_id=None, enclosure=None, categories=())`` |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
727 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
728 |
Add an item to the feed with the given parameters. All parameters, if given, |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
729 |
should be Unicode objects, except: |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
730 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
731 |
* ``pubdate`` should be a `Python datetime object`_. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
732 |
* ``enclosure`` should be an instance of ``feedgenerator.Enclosure``. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
733 |
* ``categories`` should be a sequence of Unicode objects. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
734 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
735 |
``write(outfile, encoding)`` |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
736 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
737 |
Outputs the feed in the given encoding to outfile, which is a file-like object. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
738 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
739 |
``writeString(encoding)`` |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
740 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
741 |
Returns the feed as a string in the given encoding. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
742 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
743 |
Example usage |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
744 |
------------- |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
745 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
746 |
This example creates an Atom 1.0 feed and prints it to standard output:: |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
747 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
748 |
>>> from django.utils import feedgenerator |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
749 |
>>> f = feedgenerator.Atom1Feed( |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
750 |
... title=u"My Weblog", |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
751 |
... link=u"http://www.example.com/", |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
752 |
... description=u"In which I write about what I ate today.", |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
753 |
... language=u"en") |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
754 |
>>> f.add_item(title=u"Hot dog today", |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
755 |
... link=u"http://www.example.com/entries/1/", |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
756 |
... description=u"<p>Today I had a Vienna Beef hot dog. It was pink, plump and perfect.</p>") |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
757 |
>>> print f.writeString('utf8') |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
758 |
<?xml version="1.0" encoding="utf8"?> |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
759 |
<feed xmlns="http://www.w3.org/2005/Atom" xml:lang="en"><title>My Weblog</title> |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
760 |
<link href="http://www.example.com/"></link><id>http://www.example.com/</id> |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
761 |
<updated>Sat, 12 Nov 2005 00:28:43 -0000</updated><entry><title>Hot dog today</title> |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
762 |
<link>http://www.example.com/entries/1/</link><id>tag:www.example.com/entries/1/</id> |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
763 |
<summary type="html"><p>Today I had a Vienna Beef hot dog. It was pink, plump and perfect.</p></summary> |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
764 |
</entry></feed> |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
765 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
766 |
.. _django/utils/feedgenerator.py: http://code.djangoproject.com/browser/django/trunk/django/utils/feedgenerator.py |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
767 |
.. _Python datetime object: http://www.python.org/doc/current/lib/module-datetime.html |