[Xen-changelog] Added debugging message to exception on write.

[Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User emellor@ewan
# Node ID 95e589a9b2f6bfe3328af3e06ccb27173fd55e61
# Parent  d3bc8314b6f510208cae15fa42c013e0b12335da
Added debugging message to exception on write.

Signed-off-by: Ewan Mellor <ewan@xxxxxxxxxxxxx>

diff -r d3bc8314b6f5 -r 95e589a9b2f6 tools/python/xen/xend/xenstore/xsnode.py
--- a/tools/python/xen/xend/xenstore/xsnode.py  Tue Sep 20 14:44:49 2005
+++ b/tools/python/xen/xend/xenstore/xsnode.py  Tue Sep 20 16:19:19 2005
@@ -272,8 +272,11 @@
     def write(self, path, data):
         try:
             self.getxs().write(path, data)
-        except Exception, ex:
-            raise
+        except RuntimeError, ex:
+            raise RuntimeError(ex.args[0],
+                               ex.args[1] +
+                               (', while writing %s : %s' % (str(path),
+                                                             str(data))))
 
     def begin(self, path):
         self.getxs().transaction_start(path)

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