310: generate_option() function now can accept a Param object, which it returns without modification

ipalib/public.py

@@ -202,6 +202,8 @@ def generate_option(name):
     """
     Returns an `Param` instance by parsing ``name``.
     """
+    if type(name) is Param:
+        return name
     if name.endswith('?'):
         kw = dict(required=False, multivalue=False)
         name = name[:-1]

ipalib/tests/test_public.py

@@ -319,6 +319,7 @@ def test_generate_option():
         assert type(o) is public.Param
         assert type(o.type) is ipa_types.Unicode
         assert o.name == 'arg'
+        assert f(o) is o
     o = f('arg')
     assert o.required is True
     assert o.multivalue is False