X-Git-Url: https://oss.titaniummirror.com/gitweb?a=blobdiff_plain;f=plugins%2Frss_feed.py;fp=plugins%2Frss_feed.py;h=6104bf51139da3f5b8aced75c0f81f3ef93dbfad;hb=b5bc4ffdfbaa76db7cd4cdeb078097ec17024f6b;hp=0000000000000000000000000000000000000000;hpb=c6d30c7f18e835e0b99032d01b1f8acd7f077ec6;p=webber.git

diff --git a/plugins/rss_feed.py b/plugins/rss_feed.py
new file mode 100644
index 0000000..6104bf5
--- /dev/null
+++ b/plugins/rss_feed.py
@@ -0,0 +1,112 @@
+# -*- coding: iso-8859-1 -*-
+from webber import *
+import os, datetime, re
+try:
+	import PyRSS2Gen
+except ImportError:
+	print "rss_feed needs the python module PyRSS2Gen"
+	raise
+
+items = []
+max_age = 0
+
+
+@set_hook("checkconfig")
+def checkconfig(params):
+	if not cfg.has_key("rss_file"):
+		log('no "rss_file:" configured, using "feed.rss":', 4)
+		cfg.rss_file = "feed.rss"
+	if not cfg.has_key("rss_max_items"):
+		cfg.rss_max_items = 0
+	if cfg.has_key("rss_max_age_days"):
+		import time
+		global max_age
+		max_age = int(time.time()) - int(cfg.rss_max_age_days)*86400
+
+
+# Helper class needed for datetime.datetime to generate GMT timestamps
+ZERO = datetime.timedelta(0)
+class UTC(datetime.tzinfo):
+	"""UTC"""
+
+	def utcoffset(self, dt):
+		return ZERO
+
+	def tzname(self, dt):
+		return "UTC"
+
+	def dst(self, dt):
+		return ZERO
+utc = UTC()
+
+
+@set_hook("scan")
+def sitemap_scan(params):
+	global items
+
+	file = params.file
+	# Only consider new stuff
+	if max_age and file["mtime"] < max_age:
+		return
+	# Ignore non-pages
+	if not file.has_key("linktitle"):
+		return
+	# Ignore hidden pages
+	if file.has_key("hide") and file.hide:
+		return
+
+	if file.has_key("change"):
+		change = file["change"]
+	else:
+		change = ""
+
+	full_url = "http://%s/%s" % (cfg.main_url, file.out_path)
+	item = PyRSS2Gen.RSSItem(
+		title = file["title"],
+		link = full_url,
+		guid = PyRSS2Gen.Guid("%s %s" % (full_url, file["mtime"]), isPermaLink=0),
+		description = change,
+		pubDate = file["mtime"]
+	)
+	items.append(item)
+
+
+@set_hook("finish")
+def finish(params):
+	global items
+	# Sort items by pubDate, which still holds the mtime
+	items.sort(key=lambda i: i.pubDate, reverse=True)
+
+	# Limit to requested number
+	count = int(cfg.rss_max_items)
+	if count:
+		items = items[:count]
+
+	# convert mtime to real pupDate
+	for i in items:
+		i.pubDate = datetime.datetime.fromtimestamp(i.pubDate, utc)
+
+	rss = PyRSS2Gen.RSS2(
+		title = cfg.subtitle,
+		link = "http://%s" % cfg.main_url,
+		description = cfg.subtitle,
+		lastBuildDate = datetime.datetime.now(utc),
+		items = items,
+	)
+	# Step one of self-reference
+	# (see http://feedvalidator.org/docs/warning/MissingAtomSelfLink.html)
+	rss.rss_attrs["xmlns:atom"] = "http://www.w3.org/2005/Atom"
+
+	try:
+		os.makedirs(cfg.out_dir)
+	except:
+		pass
+	f = open(os.path.join(cfg.out_dir, cfg.rss_file), "w")
+	# Ugly XML beautification
+	s = rss.to_xml()
+	s = re.sub("<(?!/)", "\n<", s)
+	s = s.replace("\n\n", "\n")
+	# Step two of self-reference
+	s = s.replace('<channel>', '<channel>\n<atom:link href="http://%s/%s" rel="self" type="application/rss+xml" />' % (cfg.main_url, cfg.rss_file))
+	f.write(s[1:])
+	f.write("\n")