django/tests/syndication_tests/feeds.py

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from django.contrib.syndication import views
from django.utils import feedgenerator
from django.utils.timezone import get_fixed_timezone
from .models import Article, Entry
class TestRss2Feed(views.Feed):
title = 'My blog'
description = 'A more thorough description of my blog.'
link = '/blog/'
feed_guid = '/foo/bar/1234'
author_name = 'Sally Smith'
author_email = 'test@example.com'
author_link = 'http://www.example.com/'
categories = ('python', 'django')
feed_copyright = 'Copyright (c) 2007, Sally Smith'
ttl = 600
def items(self):
return Entry.objects.all()
def item_description(self, item):
return "Overridden description: %s" % item
def item_pubdate(self, item):
return item.published
def item_updateddate(self, item):
return item.updated
item_author_name = 'Sally Smith'
item_author_email = 'test@example.com'
item_author_link = 'http://www.example.com/'
item_categories = ('python', 'testing')
item_copyright = 'Copyright (c) 2007, Sally Smith'
class TestRss2FeedWithGuidIsPermaLinkTrue(TestRss2Feed):
def item_guid_is_permalink(self, item):
return True
class TestRss2FeedWithGuidIsPermaLinkFalse(TestRss2Feed):
def item_guid(self, item):
return str(item.pk)
def item_guid_is_permalink(self, item):
return False
class TestRss091Feed(TestRss2Feed):
feed_type = feedgenerator.RssUserland091Feed
class TestNoPubdateFeed(views.Feed):
title = 'Test feed'
link = '/feed/'
def items(self):
return Entry.objects.all()
class TestAtomFeed(TestRss2Feed):
feed_type = feedgenerator.Atom1Feed
subtitle = TestRss2Feed.description
class TestLatestFeed(TestRss2Feed):
"""
A feed where the latest entry date is an `updated` element.
"""
feed_type = feedgenerator.Atom1Feed
subtitle = TestRss2Feed.description
def items(self):
return Entry.objects.exclude(pk=5)
class ArticlesFeed(TestRss2Feed):
"""
A feed to test no link being defined. Articles have no get_absolute_url()
method, and item_link() is not defined.
"""
def items(self):
return Article.objects.all()
class TestSingleEnclosureRSSFeed(TestRss2Feed):
"""
A feed to test that RSS feeds work with a single enclosure.
"""
def item_enclosure_url(self, item):
return 'http://example.com'
def item_enclosure_size(self, item):
return 0
def item_mime_type(self, item):
return 'image/png'
class TestMultipleEnclosureRSSFeed(TestRss2Feed):
"""
A feed to test that RSS feeds raise an exception with multiple enclosures.
"""
def item_enclosures(self, item):
return [
feedgenerator.Enclosure('http://example.com/hello.png', 0, 'image/png'),
feedgenerator.Enclosure('http://example.com/goodbye.png', 0, 'image/png'),
]
class TemplateFeed(TestRss2Feed):
"""
A feed to test defining item titles and descriptions with templates.
"""
title_template = 'syndication/title.html'
description_template = 'syndication/description.html'
# Defining a template overrides any item_title definition
def item_title(self):
return "Not in a template"
class TemplateContextFeed(TestRss2Feed):
"""
A feed to test custom context data in templates for title or description.
"""
title_template = 'syndication/title_context.html'
description_template = 'syndication/description_context.html'
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
context['foo'] = 'bar'
return context
class NaiveDatesFeed(TestAtomFeed):
"""
A feed with naive (non-timezone-aware) dates.
"""
def item_pubdate(self, item):
return item.published
class TZAwareDatesFeed(TestAtomFeed):
"""
A feed with timezone-aware dates.
"""
def item_pubdate(self, item):
# Provide a weird offset so that the test can know it's getting this
# specific offset and not accidentally getting on from
# settings.TIME_ZONE.
return item.published.replace(tzinfo=get_fixed_timezone(42))
class TestFeedUrlFeed(TestAtomFeed):
feed_url = 'http://example.com/customfeedurl/'
class MyCustomAtom1Feed(feedgenerator.Atom1Feed):
"""
Test of a custom feed generator class.
"""
def root_attributes(self):
attrs = super().root_attributes()
attrs['django'] = 'rocks'
return attrs
def add_root_elements(self, handler):
super().add_root_elements(handler)
handler.addQuickElement('spam', 'eggs')
def item_attributes(self, item):
attrs = super().item_attributes(item)
attrs['bacon'] = 'yum'
return attrs
def add_item_elements(self, handler, item):
super().add_item_elements(handler, item)
handler.addQuickElement('ministry', 'silly walks')
class TestCustomFeed(TestAtomFeed):
feed_type = MyCustomAtom1Feed
class TestSingleEnclosureAtomFeed(TestAtomFeed):
"""
A feed to test that Atom feeds work with a single enclosure.
"""
def item_enclosure_url(self, item):
return 'http://example.com'
def item_enclosure_size(self, item):
return 0
def item_mime_type(self, item):
return 'image/png'
class TestMultipleEnclosureAtomFeed(TestAtomFeed):
"""
A feed to test that Atom feeds work with multiple enclosures.
"""
def item_enclosures(self, item):
return [
feedgenerator.Enclosure('http://example.com/hello.png', '0', 'image/png'),
feedgenerator.Enclosure('http://example.com/goodbye.png', '0', 'image/png'),
]