* Re: No sxputils module for xm command
2010-04-23 15:49 No sxputils module for xm command Xu, Jiajun
@ 2010-04-26 5:26 ` Juergen Gross
2010-04-26 5:36 ` Keir Fraser
0 siblings, 1 reply; 3+ messages in thread
From: Juergen Gross @ 2010-04-26 5:26 UTC (permalink / raw)
To: Xu, Jiajun; +Cc: xen-devel@lists.xensource.com, Keir Fraser
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On 04/23/2010 05:49 PM, Xu, Jiajun wrote:
> Hi,
> I found with latest xen, 'xm' command returns fail with following error:
>
> [root@vt-dp6 ~]# xm list
> Traceback (most recent call last):
> File "/usr/sbin/xm", line 5, in ?
> from xen.xm import main
> File "/usr/lib/python2.4/site-packages/xen/xm/main.py", line 59, in ?
> from xen.util.sxputils import sxp2map, map2sxp as map_to_sxp
> ImportError: No module named sxputils
>
> Could anyone help on this?
> Thanks a lot.
Sorry, the attched patch should correct that.
The module slipped through my cpupool patch (no hg add).
Now I've deleted all xen python modules on my test machine before doing a new
install. Seems to work now...
Juergen
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[-- Attachment #2: sxputils.patch --]
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Signed-off-by: juergen.gross@ts.fujitsu.com
diff -r c87ec146229a tools/python/xen/util/sxputils.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/python/xen/util/sxputils.py Mon Apr 26 07:14:28 2010 +0200
@@ -0,0 +1,64 @@
+#============================================================================
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of version 2.1 of the GNU Lesser General Public
+# License as published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#============================================================================
+# Copyright (c) 2009 Fujitsu Technology Solutions
+#============================================================================
+
+""" convert sxp to map / map to sxp.
+"""
+
+import types
+from xen.xend import sxp
+
+def map2sxp(map_val):
+ """ conversion of all key-value pairs of a map (recursively) to sxp.
+ @param map_val: map; if a value contains a list or dict it is also
+ converted to sxp
+ @type map_val: dict
+ @return sxp expr
+ @rtype: list
+ """
+ sxp_vals = []
+ for (k, v) in map_val.items():
+ if isinstance(v, types.DictionaryType):
+ sxp_vals += [[k] + map2sxp(v)]
+ elif isinstance(v, types.ListType):
+ sxp_vals += [[k] + v]
+ else:
+ sxp_vals += [[k, v]]
+ return sxp_vals
+
+def sxp2map( s ):
+ """ conversion of sxp to map.
+ @param s: sxp expr
+ @type s: list
+ @return: map
+ @rtype: dict
+ """
+ sxphash = {}
+
+ for child in sxp.children( s ):
+ if isinstance( child, types.ListType ) and len( child ) > 1:
+ if isinstance( child[1], types.ListType ) and len( child[1] ) > 1:
+ sxphash[ child[0] ] = sxp2map( child )
+ else:
+ childs = sxp.children(child)
+ if len(childs) > 1:
+ sxphash[ child[0] ] = childs
+ else:
+ sxphash[ child[0] ] = childs[0]
+
+ return sxphash
+
+
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