[C++-sig] Re: conversion of python dictionary to shared_ptrs

[David Abrahams]

"aashish" <aashish at vrac.iastate.edu> writes:

> Hi, 
>
> I need to pass a dictionary from python to C++ function which is defined as 
>
> void setVariables(ValueMapPtr variables);
>
> where I have typedef ValueMapPtr as 
>
> //a shared ptr of a value map
> typedef boost::shared_ptr< ValueMap > ValueMapPtr;
>
> // And 
> typedef std::map< std::string, std::vector<double> > ValueMap;
>
>
> Is it possible?? 

Yes.

> Do I need to use register_ptr_to_python ? 

No; if it's truly a Python dictionary on the Python side, you need to
build a custom rvalue from-python converter, per

http://www.boost.org/libs/python/doc/v2/faq.html#question2
http://article.gmane.org/gmane.comp.python.c%2B%2B/2161

I wish it were easier; sorry!

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com