implement __getitem__ access for CompiledObject

jedi/evaluate/compiled/__init__.py

@@ -93,15 +93,26 @@ class CompiledObject(Base):
         else:
             raise KeyError("CompiledObject doesn't have an attribute '%s'." % name)
 
-    def get_index_types(self, mixed_obj):
+    def get_index_types(self, index_types):
         # If the object doesn't have `__getitem__`, just raise the
         # AttributeError.
         self.obj.__getitem__
 
+        result = []
+        from jedi.evaluate import iterable
+        for typ in index_types:
+            if isinstance(typ, iterable.Slice):
+                result.append(self)
+            else:
                 try:
-            self.obj[mixed_obj]
+                    new = self.obj[typ.obj]
                 except (KeyError, IndexError):
-            raise AttributeError()
+                    pass
+                else:
+                    result.append(CompiledObject(new))
+        if not result:
+            pass
+        return result
 
     @property
     def name(self):

jedi/evaluate/iterable.py

@@ -99,7 +99,11 @@ class Array(use_metaclass(CachedMetaClass, pr.Base)):
         self._array = array
 
     def get_index_types(self, indexes=[]):
-        """ Get the types of a specific index or all, if not given """
+        """
+        Get the types of a specific index or all, if not given.
+
+        :param indexes: The index input types.
+        """
         result = []
         if [index for index in indexes if isinstance(index, Slice)]:
             return [self]