[C++-sig] Creating a dictionary to pass to python

[Stefan Seefeld]

David Sveningsson wrote:

> At the moment I use this code:
> 
> PyObject* getDict(){
> 	PyObject* m = PyDict_New();
> 	
> 	PyDict_SetItem(m, PyString_FromString("test"), PyFloat_FromDouble(4.6f);
> 	
> 	return m;
> }
> 
> And have exported it like this:
> 
> def("getDict", &getDict);
> 
> But this seems to leak some memory. I guess I should use 
> manage_new_object as a return policy but when I do I get a segfault. It 
> seems like it tries to use free but should use delete instead.
> 
> Is this the "right" way or should I do it some other way? What about 
> memory leakage?

namespace bpl = boost::python;

bpl::dict getDict()
{
  bpl::dict d;
  d["test"] = 4.6;
  return d;
}

def("getDict", getDict);


There is no reason to use the C API, and to have to worry about memory management.

HTH,
		Stefan

-- 

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