[C++-sig] [boost.python] How can I wrap operator==?

[blp330]

Um... Sorry, I mean I have a class Document, which defined

class Document
{
public:
 ....

 bool operator==(const Document& other) const
 {
  return Compare(other);
 }
};

It simply call Compare method, I need to something more when I use it in
python code but I don't want to change my Document class implementation
because it can be used by other language that do not need extra code.

Py++ generates:
Document_exposer.def( bp::self == bp::self );

For other Document method I can change Py++ generated code to do something
more, for example:
Py++:
   {   
            typedef ::StringPtr ( ::Document::*Thumb_function_type )(
int,int ) const;
            
            Document_exposer.def( 
                "Thumb"
                //, Thumb_function_type( &::Document::Thumb )
                , &Document__ThumbWrap
                , ( bp::arg("width"), bp::arg("height") ) );
        
        }
I can define a Document__ThumbWrap function to write my extra code in it.

But operator==, I don't know how to do that.
I can't simply change
Document_exposer.def( bp::self == bp::self );
to
Document_exposer.def( 
     bp::self == bp::self
     , &Document__EqualWrap
 );
to write my extra code in Document__EqualWrap.

Thank you very much.
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