Reverting the previous checkin (80103). The feature should not have been merged to 3.1 maint.

2 files changed, 12 insertions, 54 deletions

diff --git a/Lib/test/test_urlparse.py b/Lib/test/test_urlparse.py
index 14c2d2b..1cac691 100644
--- a/Lib/test/test_urlparse.py
+++ b/Lib/test/test_urlparse.py
@@ -239,44 +239,10 @@ class UrlParseTestCase(unittest.TestCase):
         #self.checkJoin(RFC2396_BASE, '?y', 'http://a/b/c/?y')
         #self.checkJoin(RFC2396_BASE, ';x', 'http://a/b/c/;x')
 
-
     def test_RFC3986(self):
         self.checkJoin(RFC3986_BASE, '?y','http://a/b/c/d;p?y')
         self.checkJoin(RFC2396_BASE, ';x', 'http://a/b/c/;x')
 
-    def test_RFC2732(self):
-        for url, hostname, port in [
-            ('http://Test.python.org:5432/foo/', 'test.python.org', 5432),
-            ('http://12.34.56.78:5432/foo/', '12.34.56.78', 5432),
-            ('http://[::1]:5432/foo/', '::1', 5432),
-            ('http://[dead:beef::1]:5432/foo/', 'dead:beef::1', 5432),
-            ('http://[dead:beef::]:5432/foo/', 'dead:beef::', 5432),
-            ('http://[dead:beef:cafe:5417:affe:8FA3:deaf:feed]:5432/foo/',
-             'dead:beef:cafe:5417:affe:8fa3:deaf:feed', 5432),
-            ('http://[::12.34.56.78]:5432/foo/', '::12.34.56.78', 5432),
-            ('http://[::ffff:12.34.56.78]:5432/foo/',
-             '::ffff:12.34.56.78', 5432),
-            ('http://Test.python.org/foo/', 'test.python.org', None),
-            ('http://12.34.56.78/foo/', '12.34.56.78', None),
-            ('http://[::1]/foo/', '::1', None),
-            ('http://[dead:beef::1]/foo/', 'dead:beef::1', None),
-            ('http://[dead:beef::]/foo/', 'dead:beef::', None),
-            ('http://[dead:beef:cafe:5417:affe:8FA3:deaf:feed]/foo/',
-             'dead:beef:cafe:5417:affe:8fa3:deaf:feed', None),
-            ('http://[::12.34.56.78]/foo/', '::12.34.56.78', None),
-            ('http://[::ffff:12.34.56.78]/foo/',
-             '::ffff:12.34.56.78', None),
-            ]:
-            urlparsed = urllib.parse.urlparse(url)
-            self.assertEqual((urlparsed.hostname, urlparsed.port) , (hostname, port))
-
-        for invalid_url in [
-                'http://::12.34.56.78]/',
-                'http://[::1/foo/',
-                'http://[::ffff:12.34.56.78']:
-            self.assertRaises(ValueError, lambda : urllib.parse.urlparse(invalid_url).hostname)
-            self.assertRaises(ValueError, lambda : urllib.parse.urlparse(invalid_url))
-
     def test_urldefrag(self):
         for url, defrag, frag in [
             ('http://python.org#frag', 'http://python.org', 'frag'),
diff --git a/Lib/urllib/parse.py b/Lib/urllib/parse.py
index 1affc69..c1ae5ff 100644
--- a/Lib/urllib/parse.py
+++ b/Lib/urllib/parse.py
@@ -69,26 +69,22 @@ class ResultMixin(object):
 
     @property
     def hostname(self):
-        netloc = self.netloc.split('@')[-1]
-        if '[' in netloc and ']' in netloc:
-            return netloc.split(']')[0][1:].lower()
-        elif '[' in netloc or ']' in netloc:
-            raise ValueError("Invalid IPv6 hostname")
-        elif ':' in netloc:
-            return netloc.split(':')[0].lower()
-        elif netloc == '':
-            return None
-        else:
-            return netloc.lower()
+        netloc = self.netloc
+        if "@" in netloc:
+            netloc = netloc.rsplit("@", 1)[1]
+        if ":" in netloc:
+            netloc = netloc.split(":", 1)[0]
+        return netloc.lower() or None
 
     @property
     def port(self):
-        netloc = self.netloc.split('@')[-1].split(']')[-1]
-        if ':' in netloc:
-            port = netloc.split(':')[1]
+        netloc = self.netloc
+        if "@" in netloc:
+            netloc = netloc.rsplit("@", 1)[1]
+        if ":" in netloc:
+            port = netloc.split(":", 1)[1]
             return int(port, 10)
-        else:
-            return None
+        return None
 
 from collections import namedtuple
 
@@ -133,10 +129,6 @@ def _splitparams(url):
 
 def _splitnetloc(url, start=0):
     delim = len(url)   # position of end of domain part of url, default is end
-    if '[' in url:     # check for invalid IPv6 URL
-        if not ']' in url: raise ValueError("Invalid IPv6 URL")
-    elif ']' in url:
-        if not '[' in url: raise ValueError("Invalid IPv6 URL")
     for c in '/?#':    # look for delimiters; the order is NOT important
         wdelim = url.find(c, start)        # find first of this delim
         if wdelim >= 0:                    # if found