Merged revisions 87329 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r87329 | senthil.kumaran | 2010-12-17 12:48:45 +0800 (Fri, 17 Dec 2010) | 3 lines

  Fix Issue9721 - urljoin behavior when the relative url starts with ';'
........

Lib/test/test_urlparse.py

@@ -295,6 +295,9 @@ class UrlParseTestCase(unittest.TestCase):
         #self.checkJoin(RFC3986_BASE, 'http:g','http:g') # strict parser
         self.checkJoin(RFC3986_BASE, 'http:g','http://a/b/c/g') # relaxed parser
 
+        # Test for issue9721
+        self.checkJoin('http://a/b/c/de', ';x','http://a/b/c/;x')
+
     def test_urljoins(self):
         self.checkJoin(SIMPLE_BASE, 'g:h','g:h')
         self.checkJoin(SIMPLE_BASE, 'http:g','http://a/b/c/g')

Lib/urlparse.py

@@ -256,14 +256,9 @@ def urljoin(base, url, allow_fragments=True):
     if path[:1] == '/':
         return urlunparse((scheme, netloc, path,
                            params, query, fragment))
-    if not path:
+    if not path and not params:
         path = bpath
-        if not params:
-            params = bparams
-        else:
-            path = path[:-1]
-            return urlunparse((scheme, netloc, path,
-                                params, query, fragment))
+        params = bparams
         if not query:
             query = bquery
         return urlunparse((scheme, netloc, path,

Misc/NEWS

@@ -21,6 +21,8 @@ Core and Builtins
 
 Library
 -------
+- Issue #9721: Fix the behavior of urljoin when the relative url starts with a
+  ';' character. Patch by Wes Chow.
 
 - Issue #10714: Limit length of incoming request in http.server to 65536 bytes
   for security reasons.  Initial patch by Ross Lagerwall.