PR: Use single inheritance for Rope's object classes

rope/base/builtins.py

@@ -83,6 +83,9 @@ def get_attributes(self):
     def get_module(self):
         return builtins
 
+    def get_superclasses(self):
+        return []
+
 
 class BuiltinFunction(_BuiltinElement, pyobjects.AbstractFunction):
     def __init__(

rope/base/pyobjects.py

@@ -5,9 +5,7 @@
 
 class PyObject:
     def __init__(self, type_):
-        if type_ is None:
-            type_ = self
-        self.type = type_
+        self.type = self if type_ is None else type_
 
     def get_attributes(self):
         if self.type is self:
@@ -121,43 +119,16 @@ class AbstractClass(PyObject):
     def __init__(self):
         super().__init__(get_base_type("Type"))
 
-    def get_name(self):
-        pass
-
-    def get_doc(self):
-        pass
-
-    def get_superclasses(self):
-        return []
-
 
 class AbstractFunction(PyObject):
     def __init__(self):
         super().__init__(get_base_type("Function"))
 
-    def get_name(self):
-        pass
-
-    def get_doc(self):
-        pass
-
-    def get_param_names(self, special_args=True):
-        return []
-
-    def get_returned_object(self, args):
-        return get_unknown()
-
 
 class AbstractModule(PyObject):
     def __init__(self, doc=None):
         super().__init__(get_base_type("Module"))
 
-    def get_doc(self):
-        pass
-
-    def get_resource(self):
-        pass
-
 
 class PyDefinedObject:
     """Python defined names that rope can access their sources"""
@@ -259,7 +230,11 @@ def _create_scope(self):
 
 
 class PyFunction(PyDefinedObject, AbstractFunction):
-    pass
+    def get_param_names(self, special_args=True):
+        return []
+
+    def get_returned_object(self, args):
+        return get_unknown()
 
 
 class PyComprehension(PyDefinedObject, PyObject):
@@ -270,7 +245,8 @@ def get_name(self):
 
 
 class PyClass(PyDefinedObject, AbstractClass):
-    pass
+    def get_superclasses(self):
+        return []
 
 
 class _ConcludedData: