Enable the verbose flag to pass thru xmlrpc

ipalib/plugable.py

@@ -738,6 +738,8 @@ class Environment(object):
                 continue
             self[key] = value
 
+    def get(self, name, default=None):
+        return self.__map.get(name, default)
 
 class API(DictProxy):
     """

ipalib/plugins/b_xmlrpc.py

@@ -36,15 +36,15 @@ class xmlrpc(Backend):
     Kerberos backend plugin.
     """
 
-    def get_client(self):
+    def get_client(self, verbose=False):
         # FIXME: The server uri should come from self.api.env.server_uri
-        return xmlrpclib.ServerProxy('http://localhost:8888', allow_none=True)
+        return xmlrpclib.ServerProxy('http://localhost:8888', verbose=verbose)
 
     def forward_call(self, name, *args, **kw):
         """
         Forward a call over XML-RPC to an IPA server.
         """
-        client = self.get_client()
+        client = self.get_client(verbose=api.env.get('verbose', False))
         command = getattr(client, name)
         params = xmlrpc_marshal(*args, **kw)
         try:

ipalib/plugins/f_user.py

@@ -231,6 +231,8 @@ class user_find(crud.Find):
         return result
     def forward(self, *args, **kw):
         users = super(crud.Find, self).forward(*args, **kw)
+        if not users:
+            return
         counter = users[0]
         users = users[1:]
         if counter == 0: