def generate_sitemap():
"""Deferred task to generate a Sitemap.xml for all published blog posts"""
root = etree.Element('urlset', { 'attr': 'http://www.sitemaps.org/schemas/sitemap/0.9' })
def add_url(location, last_modified=None, change_freq='always', priority=0.5):
e = etree.SubElement(root, 'url')
etree.SubElement(e, 'loc').text = location
if last_modified:
etree.SubElement(e, 'lastmod').text = last_modified.strftime('%Y-%m-%dT%H:%M:%S+00:00')
etree.SubElement(e, 'changefreq').text = change_freq
etree.SubElement(e, 'priority').text = str(priority)
for p in Post.objects_published().order('-created_at'):
add_url(p.absolute_url(external=True), p.updated_at)
for c in Category.all():
add_url(c.absolute_url(external=True))
add_url(url_for('blog.index', _external=True), priority=1.0)
add_url(url_for('blog.latest_posts', _external=True))
logging.info('Generated sitemap.xml with %d blog posts', len(root))
xml = etree.tostring(root, encoding='utf-8', pretty_print=True, xml_declaration=True)
cache.set('blog_sitemaps', xml)
return xml
def latest_posts():
feed = AtomFeed('Libcoffee.net', feed_url=request.url, url=request.url_root)
for p in Post.objects_published().order('-created_at')[:POSTS_PER_PAGE]:
feed.add(p.title, unicode(p.__html__()),
content_type='html',
author=p.author.nickname(),
url=p.absolute_url(external=True),
updated=p.updated_at,
published=p.created_at)
return Response(feed.to_string(), mimetype='application/atom+xml')
def get_posts(year, month=None, day=None, slug=None):
"""Helper function to load posts, optionally by year, month, day and slug"""
queryset = Post.objects_published().order('-created_at')
date = datetime(int(year), month and int(month) or 1, day and int(day) or 1)
if date > datetime.now():
abort(404)
date2 = timedelta(days=(month is None and 365 or day is None and 31 or 1))
if slug:
queryset = queryset.filter('slug =', slug)
return queryset.filter('created_at >=', date) \
.filter('created_at <', date + date2)
def posts_by_category(category):
"""Page listing posts for a category"""
q = Post.objects_published().order('-created_at') \
.filter('categories =', category)
return render_posts_paginated(q)
def index():
"""Main page"""
q = Post.objects_published().order('-created_at')
return render_posts_paginated(q)
