Fix closes issue12683 - urljoin to work with relative join of svn scheme.

Lib/test/test_urlparse.py

@@ -371,6 +371,8 @@ class UrlParseTestCase(unittest.TestCase):
         self.checkJoin('http:///', '..','http:///')
         self.checkJoin('', 'http://a/b/c/g?y/./x','http://a/b/c/g?y/./x')
         self.checkJoin('', 'http://a/./g', 'http://a/./g')
+        self.checkJoin('svn://pathtorepo/dir1', 'dir2', 'svn://pathtorepo/dir2')
+        self.checkJoin('svn://pathtorepo/dir1', 'dir2', 'svn://pathtorepo/dir2')
 
     def test_RFC2732(self):
         str_cases = [

Lib/urllib/parse.py

@@ -38,7 +38,8 @@ __all__ = ["urlparse", "urlunparse", "urljoin", "urldefrag",
 # A classification of schemes ('' means apply by default)
 uses_relative = ['ftp', 'http', 'gopher', 'nntp', 'imap',
                  'wais', 'file', 'https', 'shttp', 'mms',
-                 'prospero', 'rtsp', 'rtspu', '', 'sftp']
+                 'prospero', 'rtsp', 'rtspu', '', 'sftp',
+                 'svn', 'svn+ssh']
 uses_netloc = ['ftp', 'http', 'gopher', 'nntp', 'telnet',
                'imap', 'wais', 'file', 'mms', 'https', 'shttp',
                'snews', 'prospero', 'rtsp', 'rtspu', 'rsync', '',

Misc/NEWS

@@ -41,6 +41,9 @@ Core and Builtins
 Library
 -------
 
+- Issue #12683: urlparse updated to include svn as schemes that uses relative
+  paths. (svn from 1.5 onwards support relative path).
+
 - Issues #11104, #8688: Fix the behavior of distutils' sdist command with
   manually-maintained MANIFEST files.