Merged revisions 81533 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r81533 | victor.stinner | 2010-05-25 23:12:34 +0200 (mar., 25 mai 2010) | 3 lines

  Issue #4769: Fix main() function of the base64 module, use sys.stdin.buffer and
  sys.stdout.buffer (instead of sys.stdin and sys.stdout) to use the bytes API
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diff --git a/Lib/base64.py b/Lib/base64.py
index e708136..b31c410 100755
--- a/Lib/base64.py
+++ b/Lib/base64.py
@@ -383,9 +383,9 @@
         if o == '-u': func = decode
         if o == '-t': test(); return
     if args and args[0] != '-':
-        func(open(args[0], 'rb'), sys.stdout)
+        func(open(args[0], 'rb'), sys.stdout.buffer)
     else:
-        func(sys.stdin, sys.stdout)
+        func(sys.stdin.buffer, sys.stdout.buffer)
 
 
 def test():