Fix optionnal parameter for actions, and add the _var pattern

git-svn-id: https://redmine.imt-atlantique.fr/svn/xaal/code/Python/branches/fork@1606 b32b6428-25c9-4566-ad07-03861ab6144f

lib/xaal/lib/core.py

@@ -354,13 +354,23 @@ def run_action(msg, device):
     if msg.action in methods.keys():
         method = methods[msg.action]
         if msg.body:
-            args = get_args_method(method)
+            method_params = get_args_method(method)
+            body_params = msg.get_parameters()
+            
+            for k in body_params:
+                temp = '_%s' %k
+                if temp in method_params:
+                    params.update({temp:body_params[k]})
+                else:
+                    logger.info("Wrong method parameter %s for action %s" %(k, msg.action))
+            """
             try:
                 body_params = msg.get_parameters(args)
             except KeyError as e:
                 raise XAALError("Wrong method parameter %s for action %s" %(e.message, msg.action))
             for p in range(0, len(args)):
                 params[args[p]] = body_params[args[p]]
+            """
 
         result = method(**params)
     else:
@@ -368,12 +378,13 @@ def run_action(msg, device):
     return result
 
 def get_args_method(method):
-    args = inspect.getargspec(method)
+    """ return the list on arguments for a given method """
+    spec = inspect.getargspec(method)
     try:
-        args.args.remove('self')
+        spec.args.remove('self')
     except:
         pass
-    return args.args
+    return spec.args
 
 class XAALEngineError:pass
 

lib/xaal/lib/messages.py

@@ -277,7 +277,7 @@ class Message(object):
     #####################################################
     # Body
     #####################################################
-    def get_parameters(self, args):
+    def _get_parameters(self, args):
         parameters = {}
         for p in range(0, len(args)):
             if isinstance(self.body[args[p]], str):
@@ -288,6 +288,10 @@ class Message(object):
             parameters[args[p]] = param
         return parameters
 
+    def get_parameters(self):
+        """ request parameters are in body hash, return asis"""
+        return self.body
+
     #####################################################
     def dump(self):
         """ dump log a message """