v0.4.0 - allowing a Params(*args, **kwargs) construction with overrid…

…ing class defaults with args and kwargs.

params/__init__.py

@@ -5,4 +5,4 @@
 
 from .params import Params
 
-__version__ = '0.3.1'
+__version__ = '0.4.0'

params/params.py

@@ -27,9 +27,10 @@ class MyParams(Params):
             params = MyParams(another_param=2.0)  # raises ValueError
     """
 
-    def __init__(self, **kwargs):
+    def __init__(self, *args, **kwargs):
         super(Params, self).__init__()
         self.update(self.__class__.defaults())
+        self.update(dict(*args))
         self.update(kwargs)
 
     def __getattribute__(self, attr):

tests/test_construction.py

@@ -77,6 +77,16 @@ def test_from_dict(self):
         self.assertEqual({'param_a': 3, 'param_b': 4}, params)
         self.assertIsInstance(params, dict)
 
+    def test_construct_dict(self):
+        params = MyParams(param_a=99)
+        self.assertEqual(99, params.param_a)
+        params = MyParams(params, param_b=101)
+        self.assertEqual(99, params.param_a)
+        self.assertEqual(101, params.param_b)
+        params = MyParams(params, param_a=101)
+        self.assertEqual(101, params.param_a)
+        self.assertEqual(101, params.param_b)
+
 
 if __name__ == '__main__':
     unittest.main()