Use first the dotted name variable in the PYSON context

issue11109
review383991002

trytond/pyson.py

@@ -154,7 +154,7 @@ class Eval(PYSON):
 
     @staticmethod
     def eval(dct, context):
-        if '.' in dct['v']:
+        if '.' in dct['v'] and dct['v'] not in context:
             base, name = dct['v'].split('.', 1)
             return Eval.eval({
                     'v': name,

trytond/tests/test_pyson.py

@@ -846,6 +846,19 @@ class PYSONTestCase(unittest.TestCase):
                 ]:
             self.assertEqual(pyson.PYSONDecoder(ctx).decode(eval), result)
 
+    def test_Eval_dot_notation_in_context(self):
+        "Test pyson.Eval with dot notation in context"
+
+        eval = pyson.PYSONEncoder().encode(pyson.Eval('foo.bar', 0))
+        ctx = {
+            'foo.bar': 1,
+            'foo': {
+                'bar': 0,
+                },
+            }
+
+        self.assertEqual(pyson.PYSONDecoder(ctx).decode(eval), 1)
+
     def test_eval_true(self):
         "Test PYSON.eval JS true"
         self.assertEqual(eval('true', pyson.CONTEXT), True)