The Base type for complex types now has a constructor that takes attribute values as kwargs

wsme/tests/test_types.py

@@ -311,3 +311,10 @@ class TestTypes(unittest.TestCase):
 
         assert B1.b2.datatype is B2, repr(B1.b2.datatype)
         assert B2.b2.datatype is B2
+
+    def test_base_init(self):
+        class C1(types.Base):
+            s = six.text_type
+
+        c = C1(s=six.u('test'))
+        assert c.s == six.u('test')

wsme/types.py

@@ -490,4 +490,10 @@ class BaseMeta(type):
         if bases[0] is not object:
             cls.__registry__.register(cls)
 
-Base = BaseMeta('Base', (object, ), {})
+
+def Base__init__(self, **kw):
+    for key, value in kw.items():
+        if hasattr(self, key):
+            setattr(self, key, value)
+
+Base = BaseMeta('Base', (object, ), {'__init__': Base__init__})