Fixed #7552: fixed distutils.command.upload failure on very long passwords
diff --git a/Lib/distutils/command/upload.py b/Lib/distutils/command/upload.py
index 8114feb..5d6ebcf 100644
--- a/Lib/distutils/command/upload.py
+++ b/Lib/distutils/command/upload.py
@@ -6,7 +6,7 @@
 import socket
 import platform
 from urllib2 import urlopen, Request, HTTPError
-import base64
+from base64 import standard_b64encode
 import urlparse
 import cStringIO as StringIO
 from ConfigParser import ConfigParser
@@ -129,8 +129,8 @@
                                      open(filename+".asc").read())
 
         # set up the authentication
-        auth = "Basic " + base64.encodestring(self.username + ":" +
-                                              self.password).strip()
+        auth = "Basic " + standard_b64encode(self.username + ":" +
+                                             self.password)
 
         # Build up the MIME payload for the POST data
         boundary = '--------------GHSKFJDLGDS7543FJKLFHRE75642756743254'