A task may or may not require any information as part of the message

src/vpoller/decorators.py

@@ -32,7 +32,7 @@
 from vpoller.registry import registry
 
 
-def task(name, required):
+def task(name, required=None):
     """
     A decorator for creating new tasks
 
@@ -51,6 +51,6 @@ def wrapper(*args, **kwargs):
                 result = {'success': 1, 'msg': e.message}
             finally:
                 return result
-        registry.register(name, required, fn)
+        registry.register(name=name, fn=fn, required=required)
         return wrapper
     return decorator

src/vpoller/registry.py

@@ -41,14 +41,14 @@ def __init__(self):
     def __contains__(self, item):
         return item in self._registry
 
-    def register(self, name, required, fn):
+    def register(self, name, fn, required=None):
         """
         Register a new task
 
         Args:
             name          (str): Name of the task
-            required     (list): List of required message keys
             fn       (function): A function executing the task
+            required     (list): List of required message keys
 
         """
         logging.info('Registering task %s', name)