313: Added Object.params instance attribute

ipalib/public.py

@@ -394,9 +394,20 @@ class Object(plugable.Plugin):
     __public__ = frozenset((
         'Method',
         'Property',
+        'params'
     ))
     __Method = None
     __Property = None
+    takes_params = tuple()
+
+    def __init__(self):
+        self.params = plugable.NameSpace(
+            (create_param(p) for p in self.takes_params), sort=False
+        )
+
+    def __create_params(self):
+        for param in self.takes_params:
+            yield create_param(param)
 
     def __get_Method(self):
         return self.__Method
@@ -411,7 +422,6 @@ class Object(plugable.Plugin):
         self.__Method = self.__create_namespace('Method')
         self.__Property = self.__create_namespace('Property')
 
-
     def __create_namespace(self, name):
         return plugable.NameSpace(self.__filter_members(name))
 

ipalib/tests/test_public.py

@@ -702,6 +702,24 @@ class test_Object(ClassChecker):
                 assert attr.attr_name == attr_name
                 assert attr.name == attr_name
 
+    def test_params(self):
+        """
+        Test the ``public.Object.params`` instance attribute.
+        """
+        ns = self.cls().params
+        assert type(ns) is plugable.NameSpace
+        assert len(ns) == 0
+        class example(self.cls):
+            takes_params = ('banana', 'apple')
+        ns = example().params
+        assert type(ns) is plugable.NameSpace
+        assert len(ns) == 2, repr(ns)
+        assert list(ns) == ['banana', 'apple']
+        for p in ns():
+            assert type(p) is public.Param
+            assert p.required is True
+            assert p.multivalue is False
+
 
 class test_Attribute(ClassChecker):
     """