From: davyd <davyd>
Date: Sat, 7 Feb 2004 19:28:09 +0000 (+0000)
Subject: Added Atom XML support
X-Git-Url: https://git.ucc.asn.au/?a=commitdiff_plain;h=100b7713bd366245264413eb99751b8b83b117dc;p=planet-ucc.git

Added Atom XML support
---

diff --git a/XMLParse.py b/XMLParse.py
index a50925f..69edc6c 100644
--- a/XMLParse.py
+++ b/XMLParse.py
@@ -46,8 +46,11 @@ class XMLParse:
 		elif self.dom.documentElement.tagName == 'rdf:RDF':
 			# this is an RDF document
 			self.news	= RDFParse(self.dom)
+		elif self.dom.documentElement.tagName == 'feed':
+			# this seems to be an Atom feed
+			self.news	= AtomParse(self.dom)
 		else:
-			sys.stderr.write('DEBUG: XMLParse: Unknown XML document %s\n' % dom.documentElement.tagname)
+			sys.stderr.write('DEBUG: XMLParse: Unknown XML document \'%s\'\n' % self.dom.documentElement.tagName)
 			
 	def parse(self):
 		"Return a list of Blog objects from the XML file we parsed"
@@ -58,19 +61,58 @@ class XMLParse:
 			self.bloglist	= self.news.parse()
 			return self.bloglist
 
-class RDFParse:
+class Parse:
+	"Generic class for parsing XML feeds"
 	def __init__(self, dom):
 		self.dom	= dom
 		self.root	= dom.documentElement
-	
+
 	def __retrieve_value__(self, fromNode):
+		"Retrieve a value from between two nodes"
 		for node in fromNode.childNodes:
 			if node.nodeType == 3:
 				return node.nodeValue
 			else:
-				sys.stderr.write('DEBUG: RDFParse: Asked to retrieve value from wrong part of tree\n')
+				sys.stderr.write('DEBUG: Parse: Asked to retrieve value from wrong part of tree\n')
 				return None
-	
+
+class AtomParse(Parse):	
+	def parse(self):
+		channel	= Blog()
+		for node in self.root.childNodes:
+			if node.nodeType == 1 and node.tagName == 'title':
+				channel.blogTitle	= self.__retrieve_value__(node)
+			elif node.nodeType == 1 and node.tagName == 'link' and node.attributes.has_key('rel') and node.attributes['rel'].value == "alternate":
+				if node.attributes.has_key('href'):
+					channel.blogURL		= node.attributes['href'].value
+				else:
+					sys.stderr.write('DEBUG: AtomParse: Could not find href for link, ignoring\n')
+			elif node.nodeType == 1 and node.tagName == 'entry':
+				# create an item and add it to the list
+				item	= BlogItem()
+				channel.items.append(item)
+				# handlers for tags
+				for node2 in node.childNodes:
+					if node2.nodeType == 1 and node2.tagName == 'created':
+						date	= self.__retrieve_value__(node2)
+						try:
+							item.itemDate	= time.mktime(time.strptime(date, '%Y-%m-%dT%H:%M:%SZ')) + 28800
+						except:
+							sys.stderr.write("DEBUG: AtomParse: time string %s is unparseable\n" % date)
+					elif node2.nodeType == 1 and node2.tagName == 'link' and node2.attributes.has_key('rel') and node2.attributes['rel'].value == 'alternate':
+						if node2.attributes.has_key('href'):
+							item.itemURL	= node2.attributes['href'].value
+						else:
+							sys.stderr.write('DEBUG: AtomParse: Could not find href for link, ignoring\n')
+					elif node2.nodeType == 1 and node2.tagName == 'title':
+						item.itemTitle	= self.__retrieve_value__(node2)
+					elif node2.nodeType == 1 and node2.tagName == 'summary':
+						for node3 in node2.childNodes:
+							if node3.nodeType == 1 and node3.tagName == 'div':
+								item.contents	= self.__retrieve_value__(node3)
+		return [channel]
+
+class RDFParse(Parse):
 	def parse(self):
 		channel	= Blog()
 		for node in self.root.childNodes:
@@ -98,21 +140,7 @@ class RDFParse:
 				channel.items.append(item)
 		return [channel]
 
-class RSS2Parse:
-	def __init__(self, dom):
-		self.dom	= dom
-		self.root	= dom.documentElement
-
-	def __retrieve_value__(self, fromNode):
-		"Returns the value from between two nodes, ie <node>text</node>"
-		for node in fromNode.childNodes:
-			if node.nodeType == 3:
-				# this is the information contained within our node
-				return node.nodeValue
-			else:
-				sys.stderr.write('DEBUG: RSS2Parse: Asked to retrieve value from wrong part of tree\n')
-				return None
-	
+class RSS2Parse(Parse):
 	def __parse_item__(self, fromNode):
 		"Returns a BlogItem collected from fromNode"
 		item	= BlogItem()
diff --git a/feedlist b/feedlist
index 9a77148..e5f239d 100644
--- a/feedlist
+++ b/feedlist
@@ -15,3 +15,4 @@ Michael Deegan	http://www.livejournal.com/users/leahcim/data/rss
 James Cox	http://www.livejournal.com/users/coxymla/data/rss
 Mark Tearle	http://www.livejournal.com/users/unfoldedreality/data/rss
 Tom Castiglione	http://www.livejournal.com/users/zharradan/data/rss
+Elaine Walker	http://ariaflame.blogspot.com/atom.xml
diff --git a/sidebar.html b/sidebar.html
index d602a1a..ae4b57a 100644
--- a/sidebar.html
+++ b/sidebar.html
@@ -7,11 +7,12 @@
  with help from
  <a href="http://www.gimp.org/">the Gimp</a>
  and other tools.<br />
- It currently supports RSS v2 and RDF news
- syndication formats, and XHTML as an output
- format. Other formats can be added with ease.<br />
+ It currently supports RSSv2, RDF and Atom
+ (used by Blogger) news syndication formats,
+ as well as XHTML as an output format. Other
+ formats can be added with ease.<br />
  Those interested in the source can check it out from
  <a href="http://cvs.ucc.asn.au/cgi-bin/viewcvs.cgi/projects/planetucc/">
- UCC CVS</a>.
- It is currently in Beta.
+ UCC CVS</a>.<br />
+ <strong>Planet UCC can be considered BETA</strong>
 </p>