fix mro usage and all the type stuff (see also my blog post about why dir is wrong). fixes #314, fixes #86

jedi/api.py

@@ -136,7 +136,8 @@ class Script(object):
         bs = builtin.Builtin.scope
         completions = get_completions(user_stmt, bs)
 
-        if not dot:  # named params have no dots
+        if not dot:
+            # add named params
             for call_def in self.call_signatures():
                 if not call_def.module.is_builtin():
                     for p in call_def.params:

jedi/builtin.py

@@ -253,9 +253,9 @@ def _generate_code(scope, mixin_funcs={}, depth=0):
 
     code += get_doc(scope)
 
+    # Remove some magic vars, (TODO why?)
     names = set(dir(scope)) - set(['__file__', '__name__', '__doc__',
-                                   '__path__', '__package__']) \
+                                   '__path__', '__package__'])
-        | set(['mro'])
 
     classes, funcs, stmts, members = get_scope_objects(names)
 

jedi/evaluate_representation.py

@@ -151,7 +151,7 @@ class Instance(use_metaclass(cache.CachedMetaClass, Executable)):
         """
         names = self._get_self_attributes()
 
-        class_names = self.base.get_defined_names()
+        class_names = self.base.instance_names()
         for var in class_names:
             names.append(InstanceElement(self, var, True))
         return names
@@ -164,7 +164,7 @@ class Instance(use_metaclass(cache.CachedMetaClass, Executable)):
         yield self, self._get_self_attributes()
 
         names = []
-        class_names = self.base.get_defined_names()
+        class_names = self.base.instance_names()
         for var in class_names:
             names.append(InstanceElement(self, var, True))
         yield self, names
@@ -270,7 +270,7 @@ class Class(use_metaclass(cache.CachedMetaClass, pr.IsScope)):
         return supers
 
     @cache.memoize_default(default=())
-    def get_defined_names(self):
+    def instance_names(self):
         def in_iterable(name, iterable):
             """ checks if the name is in the variable 'iterable'. """
             for i in iterable:
@@ -285,12 +285,18 @@ class Class(use_metaclass(cache.CachedMetaClass, pr.IsScope)):
         # TODO mro!
         for cls in self.get_super_classes():
             # Get the inherited names.
-            for i in cls.get_defined_names():
+            for i in cls.instance_names():
                 if not in_iterable(i, result):
                     super_result.append(i)
         result += super_result
         return result
 
+    @cache.memoize_default(default=())
+    def get_defined_names(self):
+        result = self.instance_names()
+        type_cls = evaluate.find_name(builtin.Builtin.scope, 'type')[0]
+        return result + type_cls.base.get_defined_names()
+
     def get_subscope_by_name(self, name):
         for sub in reversed(self.subscopes):
             if sub.name.get_code() == name:

jedi/mixin/builtins.pym

@@ -222,8 +222,7 @@ class str():
     def __init__(self, obj):
         pass
 
-class object():
+
+class type():
     def mro():
-        """ mro() -> list
-        return a type's method resolution order """
         return [object]

test/completion/classes.py

@@ -397,3 +397,15 @@ class TestX(object):
         var = self.conditional_method()
         #? int()
         var
+
+# -----------------
+# mro method
+# -----------------
+
+class A(object):
+    pass
+
+#? ['mro']
+A.mro
+#? []
+A().mro