Add support for news articles and RSS feed

Add infrastructure for creating lists of news articles and for
distributing them via RSS 2.0.

1 files changed, 64 insertions, 5 deletions

diff --git a/web/macros.py b/web/macros.py
index 6ee8393..eaaf7d9 100644
--- a/web/macros.py
+++ b/web/macros.py
@@ -1,3 +1,5 @@
+import email.utils
+import os.path
 import time
 
 plugins_release = '1.5'
@@ -8,6 +10,68 @@ page = {
 }
 release_notes = 'doc/release-notes/' + plugins_release.replace('.', '-') + '.html'
 
+_RSS = """<?xml version="1.0" encoding="UTF-8"?>
+<rss version="2.0">
+  <channel>
+    <title>%s</title>
+    <link>%s</link>
+    <description>%s</description>
+    <language>en-us</language>
+    <webMaster>webmaster@nagios-plugins.org</webMaster>
+    <pubDate>%s</pubDate>
+    <lastBuildDate>%s</lastBuildDate>
+    <generator>Poole</generator>
+    <docs>http://blogs.law.harvard.edu/tech/rss</docs>
+    %s
+  </channel>
+</rss>
+"""
+
+_RSS_ITEM = """
+    <item>
+      <title>%s</title>
+      <link>%s</link>
+      <description>%s</description>
+      <guid>%s</guid>
+      <pubDate>%s</pubDate>
+    </item>
+"""
+
+def hook_postconvert_rss():
+    items = []
+    posts = [p for p in pages if 'post' in p]
+    posts.sort(key=lambda p: p.date, reverse=True)
+    for p in posts:
+        title = p.post
+        link = '%s/%s' % (options.base_url.rstrip('/'), p.url)
+        desc = hx(p.html)
+        date = time.mktime(time.strptime('%s 12' % p.date, '%Y-%m-%d %H'))
+        date = email.utils.formatdate(date)
+        items.append(_RSS_ITEM % (title, link, desc, date, link))
+    items = ''.join(items)
+    title = 'Nagios Plugins'
+    link = '%s/news/index.html' % options.base_url.rstrip('/')
+    desc = 'Announcements published by the Nagios Plugins Development Team.'
+    date = email.utils.formatdate()
+    rss = _RSS % (title, link, desc, date, date, items)
+    fp = open(os.path.join(output, 'rss.xml'), 'w')
+    fp.write(rss)
+    fp.close()
+
+def list_posts(max_posts=-1):
+    posts = [p for p in pages if 'post' in p]
+    posts.sort(key=lambda p: p.date, reverse=True)
+    if max_posts == -1:
+        max_posts = len(posts)
+    for p in posts[:max_posts]:
+        date = time.strftime('%B %d, %Y', time.strptime(p['date'], '%Y-%m-%d'))
+        print '* **[%s](%s)** (%s)' % (p.post, p.url, date)
+
+def list_kids():
+    kids = [(p.url, p.title) for p in pages if p.get('parent') == page.title]
+    for kid in sorted(kids):
+        print('* [%s](%s)' % (kid[1], kid[0]))
+
 def menu():
     menu_pages = [p for p in pages if 'menu-position' in p]
     menu_pages.sort(key=lambda p: int(p['menu-position']))
@@ -31,11 +95,6 @@ def breadcrumb():
         crumbs = '&nbsp;' + stable
     return crumbs
 
-def list_kids():
-    kids = [(p.url, p.title) for p in pages if p.get('parent') == page.title]
-    for kid in sorted(kids):
-        print('* [%s](%s)' % (kid[1], kid[0]))
-
 def copyright_years(since=None):
     this_year = time.gmtime().tm_year
     if since is not None and int(since) != this_year: