Fix some internal name handling.

jedi/evaluate/compiled/__init__.py

@@ -12,7 +12,8 @@ from jedi import debug
 from jedi.cache import underscore_memoization, memoize_method
 from jedi.parser.tree import Param, Operator
 from jedi.evaluate.helpers import FakeName
-from jedi.evaluate.filters import AbstractFilter, AbstractNameDefinition
+from jedi.evaluate.filters import AbstractFilter, AbstractNameDefinition, \
+    ContextNameMixin
 from jedi.evaluate.context import Context, LazyKnownContext
 from . import fake
 
@@ -300,13 +301,11 @@ class UnresolvableParamName(AbstractNameDefinition):
         return set()
 
 
-class CompiledContextName(AbstractNameDefinition):
-    def __init__(self, parent_context, name):
+class CompiledContextName(ContextNameMixin, AbstractNameDefinition):
+    def __init__(self, context, name):
         self.string_name = name
-        self.parent_context = parent_context
-
-    def infer(self):
-        return [self.parent_context]
+        self._context = context
+        self.parent_context = context.parent_context
 
 
 class LazyNamesDict(object):

jedi/evaluate/filters.py

@@ -52,24 +52,26 @@ class AbstractTreeName(AbstractNameDefinition):
         return self.tree_name.start_pos
 
 
-class ContextName(AbstractTreeName):
-    def __init__(self, context, tree_name):
-        super(ContextName, self).__init__(context.parent_context, tree_name)
-        self._context = context
-
+class ContextNameMixin(object):
     def infer(self):
-        return [self._context]
+        return set([self._context])
 
     def get_root_context(self):
         if self.parent_context is None:
             return self._context
-        return super(ContextName, self).get_root_context()
+        return super(ContextNameMixin, self).get_root_context()
 
     @property
     def api_type(self):
         return self._context.api_type
 
 
+class ContextName(ContextNameMixin, AbstractTreeName):
+    def __init__(self, context, tree_name):
+        super(ContextName, self).__init__(context.parent_context, tree_name)
+        self._context = context
+
+
 class TreeNameDefinition(AbstractTreeName):
     def get_parent_flow_context(self):
         return self.parent_context

jedi/evaluate/representation.py

@@ -216,7 +216,7 @@ class ClassContext(use_metaclass(CachedMetaClass, context.TreeContext)):
                 except AttributeError:
                     pass
                 else:
-                    return method()[:-1]
+                    return list(method())[1:]
         return []
 
     @property