diff --git a/github/GithubObject.UnitTest.py b/github/GithubObject.UnitTest.py
index 61114fee..0dc91eb2 100644
--- a/github/GithubObject.UnitTest.py
+++ b/github/GithubObject.UnitTest.py
@@ -237,4 +237,21 @@ class GithubObjectWithModifiableListOfReferences( TestCaseWithGithubTestObject )
         self.expectStatusGet( "/test/a3s/idQuery" ).andReturn( 404 )
         self.assertFalse( self.o.has_in_a3s( a3ToQuery ) )
 
+def myCallable( obj, mock, arg ):
+    return mock.call( arg )
+
+class GithubObjectWithMethodFromCallable( TestCaseWithGithubTestObject ):
+    GithubTestObject = GithubObject(
+        "GithubTestObject",
+        BaseUrl( lambda obj: "/test" ),
+        BasicAttributes( "a1", "a2" ),
+        MethodFromCallable( "myMethod", myCallable )
+    )
+
+    def testCallMethod( self ):
+        mock = MockMockMock.Mock( "myCallable" )
+        mock.expect.call( 42 ).andReturn( 72 )
+        self.assertEqual( self.o.myMethod( mock.object, 42 ), 72 )
+        mock.tearDown()
+
 unittest.main()
diff --git a/github/GithubObject.py b/github/GithubObject.py
index 076f05ad..6d5263a5 100644
--- a/github/GithubObject.py
+++ b/github/GithubObject.py
@@ -9,8 +9,6 @@ class BasicAttributes:
             self.__attributeNames = attributeNames
 
         def getValueFromRawValue( self, obj, rawValue ):
-            # if isinstance( rawValue, dict ):
-                # print rawValue, "is a dict, you may want to use an extended attribute for it"
             return rawValue
 
         def updateAttributes( self, obj ):
@@ -149,6 +147,14 @@ class Deletable:
     def __execute( self, obj, *args, **kwds ):
         obj._github._statusRequest( "DELETE", obj._baseUrl )
 
+class MethodFromCallable:
+    def __init__( self, name, callable ):
+        self.__name = name
+        self.__callable = callable
+
+    def apply( self, cls ):
+        cls._addMethod( self.__name, self.__callable )
+
 def GithubObject( className, *attributePolicies ):
     class GithubObject:
         __attributeDefinitions = dict()