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Fixed #7016: use correct time zones for Atom feeds. Thanks, Chris Cahoon.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@8216 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Jacob Kaplan-Moss 2008-08-05 17:38:49 +00:00
parent 8e24b37610
commit 34008aaeb0
4 changed files with 44 additions and 6 deletions

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@ -83,6 +83,7 @@ answer newbie questions, and generally made Django that much better:
btoll@bestweb.net
Jonathan Buchanan <jonathan.buchanan@gmail.com>
Keith Bussell <kbussell@gmail.com>
Chris Cahoo <chris.cahoo@gmail.com>
Juan Manuel Caicedo <juan.manuel.caicedo@gmail.com>
Trevor Caira <trevor@caira.com>
Ricardo Javier Cárdenes Medina <ricardo.cardenes@gmail.com>

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@ -1,7 +1,10 @@
from datetime import datetime, timedelta
from django.core.exceptions import ImproperlyConfigured, ObjectDoesNotExist
from django.template import loader, Template, TemplateDoesNotExist
from django.contrib.sites.models import Site, RequestSite
from django.utils import feedgenerator
from django.utils.tzinfo import FixedOffset
from django.utils.encoding import smart_unicode, iri_to_uri
from django.conf import settings
from django.template import RequestContext
@ -124,13 +127,31 @@ class Feed(object):
author_link = self.__get_dynamic_attr('item_author_link', item)
else:
author_email = author_link = None
pubdate = self.__get_dynamic_attr('item_pubdate', item)
now = datetime.now()
utcnow = datetime.utcnow()
# Must always subtract smaller time from larger time here.
if utcnow > now:
sign = -1
tzDifference = (utcnow - now)
else:
sign = 1
tzDifference = (now - utcnow)
# Round the timezone offset to the nearest half hour.
tzOffsetMinutes = sign * ((tzDifference.seconds / 60 + 15) / 30) * 30
tzOffset = timedelta(minutes=tzOffsetMinutes)
pubdate = pubdate.replace(tzinfo=FixedOffset(tzOffset))
feed.add_item(
title = title_tmp.render(RequestContext(self.request, {'obj': item, 'site': current_site})),
link = link,
description = description_tmp.render(RequestContext(self.request, {'obj': item, 'site': current_site})),
unique_id = self.__get_dynamic_attr('item_guid', item, link),
enclosure = enc,
pubdate = self.__get_dynamic_attr('item_pubdate', item),
pubdate = pubdate,
author_name = author_name,
author_email = author_email,
author_link = author_link,

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@ -22,14 +22,25 @@ http://diveintomark.org/archives/2004/02/04/incompatible-rss
from django.utils.xmlutils import SimplerXMLGenerator
from django.utils.encoding import force_unicode, iri_to_uri
import datetime, re, time
import email.Utils
def rfc2822_date(date):
return email.Utils.formatdate(time.mktime(date.timetuple()))
# We do this ourselves to be timezone aware, email.Utils is not tz aware.
if date.tzinfo:
time_str = date.strftime('%a, %d %b %Y %H:%M:%S ')
offset = date.tzinfo.utcoffset(date)
timezone = (offset.days * 24 * 60) + (offset.seconds / 60)
hour, minute = divmod(timezone, 60)
return time_str + "%+03d%02d" % (hour, minute)
else:
return date.strftime('%a, %d %b %Y %H:%M:%S -0000')
def rfc3339_date(date):
if date.tzinfo:
return date.strftime('%Y-%m-%dT%H:%M:%S%z')
time_str = date.strftime('%Y-%m-%dT%H:%M:%S')
offset = date.tzinfo.utcoffset(date)
timezone = (offset.days * 24 * 60) + (offset.seconds / 60)
hour, minute = divmod(timezone, 60)
return time_str + "%+03d:%02d" % (hour, minute)
else:
return date.strftime('%Y-%m-%dT%H:%M:%SZ')

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@ -14,8 +14,13 @@ except:
class FixedOffset(tzinfo):
"Fixed offset in minutes east from UTC."
def __init__(self, offset):
if isinstance(offset, timedelta):
self.__offset = offset
offset = self.__offset.seconds // 60
else:
self.__offset = timedelta(minutes=offset)
self.__name = u"%+03d%02d" % (offset // 60, offset % 60)
self.__name = u"%+03d%02d" % (offset / 60, offset % 60)
def __repr__(self):
return self.__name