Xen devel - Dec 2009 - [PATCH] pygrub: fix attribute error when not found parser

Signed-off-by: Wei Kong <weikong.cn@gmail.com>

--
--- a/tools/pygrub/src/pygrub   2009-12-15 03:18:10.000000000 +0800
+++ b/tools/pygrub/src/pygrub   2009-12-15 03:17:41.000000000 +0800
@@ -398,7 +398,7 @@ class Grub:
                 self.cf = parser()
                 self.cf.filename = f
                 break
-        if self.cf.filename is None:
+        if self.__dict__.get(''cf'', None) is None:
             raise RuntimeError, "couldn''t find bootloader config
file in
the image provided."
         f = fs.open_file(self.cf.filename)
         buf = f.read()


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