lots of small bugfixes

jedi/evaluate/__init__.py

@@ -452,8 +452,6 @@ def filter_private_variable(scope, call_scope, var_name):
     if isinstance(var_name, (str, unicode)) and isinstance(scope, er.Instance)\
             and var_name.startswith('__') and not var_name.endswith('__'):
         s = call_scope.get_parent_until((pr.Class, er.Instance, compiled.PyObject))
-        #if s != scope and (isinstance(scope.base, compiled.PyObject)
-        #                   or s != scope.base.base):
         if s != scope:
             if isinstance(scope.base, compiled.PyObject):
                 if s != scope.base:

jedi/evaluate/compiled/__init__.py

@@ -126,6 +126,9 @@ class PyName(object):
         self.name = name
         self.start_pos = 0, 0  # an illegal start_pos, to make sorting easy.
 
+    def get_parent_until(self):
+        return self.parent.get_parent_until()
+
     def __repr__(self):
         return '<%s: (%s).%s>' % (type(self).__name__, repr(self._obj.obj), self.name)