diff options
Diffstat (limited to 'lib/python2.7/site-packages/django/contrib/syndication/views.py')
-rw-r--r-- | lib/python2.7/site-packages/django/contrib/syndication/views.py | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/lib/python2.7/site-packages/django/contrib/syndication/views.py b/lib/python2.7/site-packages/django/contrib/syndication/views.py deleted file mode 100644 index 3bfba3b..0000000 --- a/lib/python2.7/site-packages/django/contrib/syndication/views.py +++ /dev/null @@ -1,210 +0,0 @@ -from __future__ import unicode_literals - -from calendar import timegm - -from django.conf import settings -from django.contrib.sites.models import get_current_site -from django.core.exceptions import ImproperlyConfigured, ObjectDoesNotExist -from django.http import HttpResponse, Http404 -from django.template import loader, TemplateDoesNotExist, RequestContext -from django.utils import feedgenerator, tzinfo -from django.utils.encoding import force_text, iri_to_uri, smart_text -from django.utils.html import escape -from django.utils.http import http_date -from django.utils import six -from django.utils.timezone import is_naive - - -def add_domain(domain, url, secure=False): - protocol = 'https' if secure else 'http' - if url.startswith('//'): - # Support network-path reference (see #16753) - RSS requires a protocol - url = '%s:%s' % (protocol, url) - elif not (url.startswith('http://') - or url.startswith('https://') - or url.startswith('mailto:')): - url = iri_to_uri('%s://%s%s' % (protocol, domain, url)) - return url - - -class FeedDoesNotExist(ObjectDoesNotExist): - pass - - -class Feed(object): - feed_type = feedgenerator.DefaultFeed - title_template = None - description_template = None - - def __call__(self, request, *args, **kwargs): - try: - obj = self.get_object(request, *args, **kwargs) - except ObjectDoesNotExist: - raise Http404('Feed object does not exist.') - feedgen = self.get_feed(obj, request) - response = HttpResponse(content_type=feedgen.mime_type) - if hasattr(self, 'item_pubdate'): - # if item_pubdate is defined for the feed, set header so as - # ConditionalGetMiddleware is able to send 304 NOT MODIFIED - response['Last-Modified'] = http_date( - timegm(feedgen.latest_post_date().utctimetuple())) - feedgen.write(response, 'utf-8') - return response - - def item_title(self, item): - # Titles should be double escaped by default (see #6533) - return escape(force_text(item)) - - def item_description(self, item): - return force_text(item) - - def item_link(self, item): - try: - return item.get_absolute_url() - except AttributeError: - raise ImproperlyConfigured('Give your %s class a get_absolute_url() method, or define an item_link() method in your Feed class.' % item.__class__.__name__) - - def __get_dynamic_attr(self, attname, obj, default=None): - try: - attr = getattr(self, attname) - except AttributeError: - return default - if callable(attr): - # Check co_argcount rather than try/excepting the function and - # catching the TypeError, because something inside the function - # may raise the TypeError. This technique is more accurate. - try: - code = six.get_function_code(attr) - except AttributeError: - code = six.get_function_code(attr.__call__) - if code.co_argcount == 2: # one argument is 'self' - return attr(obj) - else: - return attr() - return attr - - def feed_extra_kwargs(self, obj): - """ - Returns an extra keyword arguments dictionary that is used when - initializing the feed generator. - """ - return {} - - def item_extra_kwargs(self, item): - """ - Returns an extra keyword arguments dictionary that is used with - the `add_item` call of the feed generator. - """ - return {} - - def get_object(self, request, *args, **kwargs): - return None - - def get_context_data(self, **kwargs): - """ - Returns a dictionary to use as extra context if either - ``self.description_template`` or ``self.item_template`` are used. - - Default implementation preserves the old behavior - of using {'obj': item, 'site': current_site} as the context. - """ - return {'obj': kwargs.get('item'), 'site': kwargs.get('site')} - - def get_feed(self, obj, request): - """ - Returns a feedgenerator.DefaultFeed object, fully populated, for - this feed. Raises FeedDoesNotExist for invalid parameters. - """ - current_site = get_current_site(request) - - link = self.__get_dynamic_attr('link', obj) - link = add_domain(current_site.domain, link, request.is_secure()) - - feed = self.feed_type( - title = self.__get_dynamic_attr('title', obj), - subtitle = self.__get_dynamic_attr('subtitle', obj), - link = link, - description = self.__get_dynamic_attr('description', obj), - language = settings.LANGUAGE_CODE, - feed_url = add_domain( - current_site.domain, - self.__get_dynamic_attr('feed_url', obj) or request.path, - request.is_secure(), - ), - author_name = self.__get_dynamic_attr('author_name', obj), - author_link = self.__get_dynamic_attr('author_link', obj), - author_email = self.__get_dynamic_attr('author_email', obj), - categories = self.__get_dynamic_attr('categories', obj), - feed_copyright = self.__get_dynamic_attr('feed_copyright', obj), - feed_guid = self.__get_dynamic_attr('feed_guid', obj), - ttl = self.__get_dynamic_attr('ttl', obj), - **self.feed_extra_kwargs(obj) - ) - - title_tmp = None - if self.title_template is not None: - try: - title_tmp = loader.get_template(self.title_template) - except TemplateDoesNotExist: - pass - - description_tmp = None - if self.description_template is not None: - try: - description_tmp = loader.get_template(self.description_template) - except TemplateDoesNotExist: - pass - - for item in self.__get_dynamic_attr('items', obj): - context = self.get_context_data(item=item, site=current_site, - obj=obj, request=request) - if title_tmp is not None: - title = title_tmp.render(RequestContext(request, context)) - else: - title = self.__get_dynamic_attr('item_title', item) - if description_tmp is not None: - description = description_tmp.render(RequestContext(request, context)) - else: - description = self.__get_dynamic_attr('item_description', item) - link = add_domain( - current_site.domain, - self.__get_dynamic_attr('item_link', item), - request.is_secure(), - ) - enc = None - enc_url = self.__get_dynamic_attr('item_enclosure_url', item) - if enc_url: - enc = feedgenerator.Enclosure( - url = smart_text(enc_url), - length = smart_text(self.__get_dynamic_attr('item_enclosure_length', item)), - mime_type = smart_text(self.__get_dynamic_attr('item_enclosure_mime_type', item)) - ) - author_name = self.__get_dynamic_attr('item_author_name', item) - if author_name is not None: - author_email = self.__get_dynamic_attr('item_author_email', item) - author_link = self.__get_dynamic_attr('item_author_link', item) - else: - author_email = author_link = None - - pubdate = self.__get_dynamic_attr('item_pubdate', item) - if pubdate and is_naive(pubdate): - ltz = tzinfo.LocalTimezone(pubdate) - pubdate = pubdate.replace(tzinfo=ltz) - - feed.add_item( - title = title, - link = link, - description = description, - unique_id = self.__get_dynamic_attr('item_guid', item, link), - unique_id_is_permalink = self.__get_dynamic_attr( - 'item_guid_is_permalink', item), - enclosure = enc, - pubdate = pubdate, - author_name = author_name, - author_email = author_email, - author_link = author_link, - categories = self.__get_dynamic_attr('item_categories', item), - item_copyright = self.__get_dynamic_attr('item_copyright', item), - **self.item_extra_kwargs(item) - ) - return feed |