[Xen-devel] [PATCH] xm: fix message in OptionError deprecated since Python 2.6

[Wei Kong <weikong.cn@xxxxxxxxx>]

BaseException.message has been deprecated since Python 2.6. 
To prevent DeprecationWarning from popping up over this pre-existing attribute, 
use a new property that takes lookup precedence.

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

--
--- xen-unstable.hg/tools/python/xen/xm/opts.py 2009-12-02 09:46:51.000000000 +0800
+++ xen-unstable.hg/tools/python/xen/xm/opts.py 2009-12-02 11:56:35.000000000 +0800
@@ -55,10 +55,19 @@ def wrap(text, width = 70):
ÂÂÂÂ return lines

Âclass OptionError(Exception):
+ÂÂÂ def _get_message(self):
+ÂÂÂÂÂÂÂ return self.__message
+
+ÂÂÂ def _set_message(self, value):
+ÂÂÂÂÂÂÂ self.__message = value
+
+ÂÂÂ message = property(_get_message, _set_message)
+
ÂÂÂÂ """Denotes an error in option parsing."""
ÂÂÂÂ def __init__(self, message, usage = ''):
ÂÂÂÂÂÂÂÂ self.message = message
ÂÂÂÂÂÂÂÂ self.usage = usage
+ÂÂÂÂÂÂÂ Exception.__init__(self, message)
ÂÂÂÂ def __str__(self):
ÂÂÂÂÂÂÂÂ return self.message

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