[Xen-changelog] Added get_permissions implementation.

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

# HG changeset patch
# User emellor@xxxxxxxxxxxxxxxxxxxxxx
# Node ID 956f7c5b1c1f00d3f8e9d51c82670327027469e4
# Parent  4c14bca8ca93d9734bb888f26d2ac576e59c5b5a
Added get_permissions implementation.

Signed-off-by: Ewan Mellor <ewan@xxxxxxxxxxxxx>
---
 tools/python/xen/xend/xenstore/xstransact.py |   28 +++++++++++++++++++++++++++
 1 files changed, 28 insertions(+)

diff -r 4c14bca8ca93 -r 956f7c5b1c1f 
tools/python/xen/xend/xenstore/xstransact.py
--- a/tools/python/xen/xend/xenstore/xstransact.py      Tue May 23 16:14:03 
2006 +0100
+++ b/tools/python/xen/xend/xenstore/xstransact.py      Tue May 23 16:14:49 
2006 +0100
@@ -221,6 +221,34 @@ class xstransact:
                 xshandle().mkdir(self.transaction, self.prependPath(key))
 
 
+    def get_permissions(self, *args):
+        """If no arguments are given, return the permissions at this
+        transaction's path.  If one argument is given, treat that argument as
+        a subpath to this transaction's path, and return the permissions at
+        that path.  Otherwise, treat each argument as a subpath to this
+        transaction's path, and return a list composed of the permissions at
+        each of those instead.
+        """
+        if len(args) == 0:
+            return xshandle().get_permissions(self.transaction, self.path)
+        if len(args) == 1:
+            return self._get_permissions(args[0])
+        ret = []
+        for key in args:
+            ret.append(self._get_permissions(key))
+        return ret
+
+
+    def _get_permissions(self, key):
+        path = self.prependPath(key)
+        try:
+            return xshandle().get_permissions(self.transaction, path)
+        except RuntimeError, ex:
+            raise RuntimeError(ex.args[0],
+                               '%s, while getting permissions from %s' %
+                               (ex.args[1], path))
+
+
     def set_permissions(self, *args):
         if len(args) == 0:
             raise TypeError

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