Add a read-only property for Queues

Queue's name is currently a private attribute in the Queue object. Since
this attribute may need to be accessed, this patch adds a read-only
property that returns the value of the private attribute.

Change-Id: I175d6e2d3b8990f8dbea3c44351143067efacff3

zaqarclient/queues/v1/cli.py

@@ -44,8 +44,7 @@ class CreateQueue(show.ShowOne):
         data = client.queue(queue_name)
 
         columns = ('Name',)
-        properties = ("_Name",)
-        return columns, utils.get_item_properties(data, properties)
+        return columns, utils.get_item_properties(data, columns)
 
 
 class DeleteQueue(command.Command):
@@ -101,9 +100,8 @@ class ListQueues(lister.Lister):
 
         data = client.queues(**kwargs)
         columns = ("Name", )
-        properties = ("_Name",)
         return (columns,
-                (utils.get_item_properties(s, properties) for s in data))
+                (utils.get_item_properties(s, columns) for s in data))
 
 
 class CheckQueueExistence(show.ShowOne):

zaqarclient/queues/v1/queues.py

@@ -31,6 +31,10 @@ class Queue(object):
         if auto_create:
             self.ensure_exists()
 
+    @property
+    def name(self):
+        return self._name
+
     def exists(self):
         """Checks if the queue exists."""
         req, trans = self.client._request_and_transport()