From c9ff6f535dbb9a67e81766e6906ce5840f4e050c Mon Sep 17 00:00:00 2001
From: "Gustavo J. A. M. Carneiro" <gjc@gnome.org>
Date: Sun, 23 Mar 2008 19:03:38 +0000
Subject: [PATCH] Add CppClass.is_subclass method.

---
 pybindgen/cppclass.py | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/pybindgen/cppclass.py b/pybindgen/cppclass.py
index aa4b581..611aaa5 100644
--- a/pybindgen/cppclass.py
+++ b/pybindgen/cppclass.py
@@ -492,6 +492,18 @@ class CppClass(object):
     def __repr__(self):
         return "<pybindgen.CppClass '%s'>" % self.full_name
 
+    def is_subclass(self, other):
+        """Return True if this CppClass instance represents a class that is a
+        subclass of another class represented by the CppClasss object `other'."""
+        if not isinstance(other, CppClass):
+            raise TypeError
+        cls = self
+        while cls is not None:
+            if cls is other:
+                return True
+            cls = cls.parent
+        return False
+
     def write_incref(self, code_block, obj_expr):
         """
         Write code to increase the reference code of an object of this