[C++-sig] __repr__ and string values

[Pierre Barbier de Reuille]

That's the expected behaviour !

I'm sure you'll have :

>>> print f.toString()
foo

Python _print_ the string returned by __repr__ or __str__. But if you
return a string it will print repr(string) !

On Thu, 2004-04-29 at 17:41, Dave Berton wrote:
> Consider a class which can represent itself as a string:
> 
> class Foo
> {
> public:
>   std::string toString() { return "foo"; }
> };
> 
> This is wrapped thus:
> 
> class_< Foo, boost::shared_ptr<Foo> >("Foo", "The Foo class" )
>     .def(init< >())
>     .def("toString", &Foo::toString )
>     .def("__repr__", &Foo::toString )
>     ;
> 
> When imported into python, I get different return values calling
> Foo::toString() compared to when I let python get the return value
> implicitly:
> 
> >>> from foo_ext import *
> >>> f = Foo()
> >>> f.toString()
> 'foo'
> >>> f
> foo
> 
> Why does the explicit call to Foo::toString() return a properly quoted
> string while the implicit call invoked by python does not?  How should I
> wrap Foo such that both ways of getting the string representation return
> the same thing (a quoted string)?
> 
> db
> 
> 
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-- 
Pierre Barbier de Reuille

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