# HG changeset patch
# User paulo
# Date 1359541942 28800
# Node ID 915032dd35f4b27f9e4759118ac93b1c941161ce
# Parent  90be3f88005f5a465265bed8dcb89798000b1e73
add myrss2

diff -r 90be3f88005f -r 915032dd35f4 myrss/index.css
--- a/myrss/index.css	Wed Jan 30 00:07:02 2013 -0800
+++ b/myrss/index.css	Wed Jan 30 02:32:22 2013 -0800
@@ -20,6 +20,21 @@
 	text-decoration: underline;
 }
 
+a.z1
+{
+	color: #A31;
+}
+
+a.z2
+{
+	color: #851;
+}
+
+a.z3
+{
+	color: #833;
+}
+
 p:first-line
 {
 	font-weight: bold;
diff -r 90be3f88005f -r 915032dd35f4 myrss/myrss_parser.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/myrss/myrss_parser.py	Wed Jan 30 02:32:22 2013 -0800
@@ -0,0 +1,115 @@
+import os
+import re
+
+import html
+import xml.etree.ElementTree 
+
+
+MAX_ITEMS = 30
+MAX_LINK_Z = 4
+
+
+_PARSE_ROOT_TAG_RE = re.compile(r"(\{(.+)\})?(.+)")
+
+def _parse_root_tag(root_tag):
+	re_match = _PARSE_ROOT_TAG_RE.match(root_tag)
+
+	if re_match is None:
+		return (None, None)
+	else:
+		return re_match.group(2, 3)
+	
+
+def _go_rss(elementTree):
+	title = elementTree.find("channel/title").text.strip()
+	link = elementTree.find("channel/link").text
+
+	items = []
+
+	for i in elementTree.findall("channel/item")[:MAX_ITEMS]:
+		it_title = i.find("title").text.strip()
+		it_link = i.find("link").text
+
+		items.append((it_title, it_link))
+
+	return (title, link, items)
+
+
+def _go_atom(elementTree):
+	ns = "http://www.w3.org/2005/Atom"
+
+	title = elementTree.find("{%s}title" % ns).text.strip()
+	link = ''
+
+	for i in elementTree.findall("{%s}link" % ns):
+		if i.get("type") == "text/html" and i.get("rel") == "alternate":
+			link = i.get("href")
+			break
+
+	items = []
+
+	for i in elementTree.findall("{%s}entry" % ns)[:MAX_ITEMS]:
+		it_title = i.find("{%s}title" % ns).text.strip()
+		it_link = ''
+		
+		for j in i.findall("{%s}link" % ns):
+			if j.get("type") == "text/html" and j.get("rel") == "alternate":
+				it_link = j.get("href")
+				break
+
+		items.append((it_title, it_link))
+
+	return (title, link, items)
+
+
+def _to_html(docstruct):
+	root = html.HTML()
+
+	header = root.header
+	header.title("myrss")
+	header.link(rel="stylesheet", type="text/css", href="index.css")
+
+	link_z = 0
+
+	for feed in docstruct:
+		(title, link, items) = feed
+
+		root.h1.a(title, href=link, klass="z%d" % (link_z % MAX_LINK_Z))
+		link_z += 1
+		p = root.p
+
+		for (i, (it_title, it_link)) in enumerate(items):
+			if i > 0:
+				p += " - "
+
+			p.a(it_title, href=it_link, klass="z%d" % (link_z % MAX_LINK_Z))
+			link_z += 1
+
+	return unicode(root).encode("utf-8")
+
+
+if __name__ == "__main__":
+
+	docstruct = []
+	XMLFILE = "%d.feedtmp"
+	
+	for i in range(31):
+		if os.path.exists(XMLFILE % i):
+			elementTree = xml.etree.ElementTree.parse(XMLFILE % i)
+			root = elementTree.getroot()
+
+			if _parse_root_tag(root.tag) == (None, "rss"):
+				version = float(root.get("version", 0.0))
+				if version >= 2.0:
+					docstruct.append(_go_rss(elementTree))
+				else:
+					raise NotImplementedError("Unsupported rss version")
+			elif _parse_root_tag(root.tag) == ("http://www.w3.org/2005/Atom", "feed"):
+				docstruct.append(_go_atom(elementTree))
+			else:
+				raise NotImplementedError("Unknown root tag")
+
+	if len(docstruct) > 0:
+		print _to_html(docstruct)
+	else:
+		raise RuntimeError("Could not produce docstruct")