Remove broken iTunes podcast code (bug 1218)

src/gpodder/util.py

@@ -116,9 +116,7 @@ def normalize_feed_url(url):
     used with "wget". If the URL cannot be converted (invalid
     or unknown scheme), "None" is returned.
 
-    This will also normalize feed:// and itpc:// to http://
-    Also supported are phobos.apple.com links (iTunes podcast)
-    and itms:// links (iTunes podcast direct link).
+    This will also normalize feed:// and itpc:// to http://.
 
     >>> normalize_feed_url('itpc://example.org/podcast.rss')
     'http://example.org/podcast.rss'
@@ -161,9 +159,6 @@ def normalize_feed_url(url):
     (scheme, rest) = url.split('://', 1)
     scheme = scheme.lower()
 
-    # Remember to parse iTunes XML for itms:// URLs
-    do_parse_itunes_xml = (scheme == 'itms')
-
     # feed://, itpc:// and itms:// are really http://
     if scheme in ('feed', 'itpc', 'itms'):
         scheme = 'http'
@@ -171,13 +166,6 @@ def normalize_feed_url(url):
     # Re-assemble our URL
     url = scheme + '://' + rest
 
-    # If we had an itms:// URL, parse XML
-    if do_parse_itunes_xml:
-        url = parse_itunes_xml(url)
-
-    # Links to "phobos.apple.com"
-    url = itunes_discover_rss(url)
-    
     if scheme in ('http', 'https', 'ftp'):
         return url
 
@@ -919,44 +907,6 @@ def find_command( command):
     return None
 
 
-def parse_itunes_xml(url):
-    """
-    Parses an XML document in the "url" parameter (this has to be
-    a itms:// or http:// URL to a XML doc) and searches all "<dict>"
-    elements for the first occurence of a "<key>feedURL</key>"
-    element and then continues the search for the string value of
-    this key.
-
-    This returns the RSS feed URL for Apple iTunes Podcast XML
-    documents that are retrieved by itunes_discover_rss().
-    """
-    url = url.replace('itms://', 'http://')
-    doc = http_get_and_gunzip(url)
-    try:
-        d = xml.dom.minidom.parseString(doc)
-    except Exception, e:
-        log('Error parsing document from itms:// URL: %s', e)
-        return None
-    last_key = None
-    for pairs in d.getElementsByTagName('dict'):
-        for node in pairs.childNodes:
-            if node.nodeType != node.ELEMENT_NODE:
-                continue
-
-            if node.tagName == 'key' and node.childNodes.length > 0:
-                if node.firstChild.nodeType == node.TEXT_NODE:
-                    last_key = node.firstChild.data
-
-            if last_key != 'feedURL':
-                continue
-
-            if node.tagName == 'string' and node.childNodes.length > 0:
-                if node.firstChild.nodeType == node.TEXT_NODE:
-                    return node.firstChild.data
-
-    return None
-
-
 def http_get_and_gunzip(uri):
     """
     Does a HTTP GET request and tells the server that we accept
@@ -975,31 +925,6 @@ def http_get_and_gunzip(uri):
     return data
 
 
-def itunes_discover_rss(url):
-    """
-    Takes an iTunes-specific podcast URL and turns it
-    into a "normal" RSS feed URL. If the given URL is
-    not a phobos.apple.com URL, we will simply return
-    the URL and assume it's already an RSS feed URL.
-
-    Idea from Andrew Clarke's itunes-url-decoder.py
-    """
-
-    if url is None:
-        return url
-
-    if not 'phobos.apple.com' in url.lower():
-        # This doesn't look like an iTunes URL
-        return url
-
-    try:
-        data = http_get_and_gunzip(url)
-        (url,) = re.findall("itmsOpen\('([^']*)", data)
-        return parse_itunes_xml(url)
-    except:
-        return None
-
-
 def idle_add(func, *args):
     """
     This is a wrapper function that does the Right