Issue #12931: xmlrpclib now encodes Unicode URI to ISO-8859-1, instead of

failing with a UnicodeDecodeError.

Lib/test/test_xmlrpc.py

@@ -472,6 +472,9 @@ class SimpleServerTestCase(BaseServerTestCase):
                 # protocol error; provide additional information in test output
                 self.fail("%s\n%s" % (e, getattr(e, "headers", "")))
 
+    def test_unicode_host(self):
+        server = xmlrpclib.ServerProxy(u"http://%s:%d/RPC2"%(ADDR, PORT))
+        self.assertEqual(server.add("a", u"\xe9"), u"a\xe9")
 
     # [ch] The test 404 is causing lots of false alarms.
     def XXXtest_404(self):

Lib/xmlrpclib.py

@@ -1539,6 +1539,9 @@ class ServerProxy:
                  allow_none=0, use_datetime=0):
         # establish a "logical" server connection
 
+        if isinstance(uri, unicode):
+            uri = uri.encode('ISO-8859-1')
+
         # get the url
         import urllib
         type, uri = urllib.splittype(uri)

Misc/NEWS

@@ -47,6 +47,9 @@ Core and Builtins
 Library
 -------
 
+- Issue #12931: xmlrpclib now encodes Unicode URI to ISO-8859-1, instead of
+  failing with a UnicodeDecodeError.
+
 - Issue #8933: distutils' PKG-INFO files will now correctly report
   Metadata-Version: 1.1 instead of 1.0 if a Classifier or Download-URL field is
   present.