Merged revisions 80616 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

........
  r80616 | lars.gustaebel | 2010-04-29 17:23:38 +0200 (Thu, 29 Apr 2010) | 4 lines

  Issue #8464: tarfile.open(name, mode="w|") no longer creates
  files with execute permissions set.
........
diff --git a/Lib/tarfile.py b/Lib/tarfile.py
index 8684493..9ca8494 100644
--- a/Lib/tarfile.py
+++ b/Lib/tarfile.py
@@ -359,7 +359,7 @@
         }[mode]
         if hasattr(os, "O_BINARY"):
             mode |= os.O_BINARY
-        self.fd = os.open(name, mode)
+        self.fd = os.open(name, mode, 0o666)
 
     def close(self):
         os.close(self.fd)