[Xen-changelog] Added diagnostic message to exception when TypeError occurs on write.

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

# HG changeset patch
# User emellor@ewan
# Node ID 11475b60d57ca94e98d5e4977c424fbc42a701b2
# Parent  0b6e06fced6a0443c47b0076b2c107bdb68c168b
Added diagnostic message to exception when TypeError occurs on write.

diff -r 0b6e06fced6a -r 11475b60d57c 
tools/python/xen/xend/xenstore/xstransact.py
--- a/tools/python/xen/xend/xenstore/xstransact.py      Sat Sep 17 09:46:55 2005
+++ b/tools/python/xen/xend/xenstore/xstransact.py      Sat Sep 17 09:49:14 2005
@@ -67,7 +67,12 @@
                 if not isinstance(d, dict):
                     raise TypeError
                 for key in d.keys():
-                    self._write(key, d[key], create, excl)
+                    try:
+                        self._write(key, d[key], create, excl)
+                    except TypeError, msg:
+                        raise TypeError('Writing %s: %s: %s' %
+                                        (key, str(d[key]), msg))
+                        
         elif isinstance(args[0], list):
             for l in args:
                 if not len(l) == 2:

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