news parser: handle rss 1.0/rdf (4gamer jp feed parsed 0 items -> #newsjp near-silent)

tests/test_spec_news.py

@@ -29,6 +29,16 @@ ATOM = b"""<?xml version="1.0"?><feed xmlns="http://www.w3.org/2005/Atom">
 <entry><title>Atom headline</title><link href="https://ex.com/a"/></entry>
 </feed>"""
 
+RSS1 = (
+    '<?xml version="1.0" encoding="UTF-8"?>'
+    '<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://purl.org/rss/1.0/">'
+    '<channel rdf:about="https://ex.jp"><title>Feed</title></channel>'
+    '<item rdf:about="https://ex.jp/1"><title>ゲームニュース</title><link>https://ex.jp/1</link>'
+    "<description>本文ここ</description></item>"
+    '<item rdf:about="https://ex.jp/2"><title>Second</title><link>https://ex.jp/2</link></item>'
+    "</rdf:RDF>"
+).encode("utf-8")
+
 
 class TestParse(unittest.TestCase):
     def test_rss(self):
@@ -44,6 +54,13 @@ class TestParse(unittest.TestCase):
         self.assertEqual(items[0]["title"], "Atom headline")
         self.assertEqual(items[0]["link"], "https://ex.com/a")
 
+    def test_rss1_rdf(self):
+        """NEWS-01: RSS 1.0/RDF (namespaced <item>, e.g. 4gamer.net) parses like RSS 2.0."""
+        items = parse_feed(RSS1, "JP")
+        self.assertEqual([i["title"] for i in items], ["ゲームニュース", "Second"])
+        self.assertEqual(items[0]["link"], "https://ex.jp/1")
+        self.assertEqual(items[0]["summary"], "本文ここ")
+
     def test_malformed_never_raises(self):
         """NEWS-01: garbage XML returns [] without raising."""
         self.assertEqual(parse_feed(b"<not xml", "bad"), [])