[C++-sig] to_python converter and make_getter

[Michael Wild]

On 01/22/2013 11:27 PM, Jim Bosch wrote:
> On 01/22/2013 04:18 PM, Michael Wild wrote:
>> Dear all
>>
>> I have defined a to_python converter following
>> http://misspent.wordpress.com/2009/09/27/how-to-write-boost-python-converters.
>>
>> Everything is fine and dandy, however what bugs me is having to specify
>> a return_value_policy<return_by_value>() for every make_getter call.
>> Looking through the sources it seems that I should be able to tell
>> make_getter what the default policy should be by somehow specializing
>> default_member_getter_policy and default_datum_getter_policy. However,
>> is this the right way to go, or should I attack the problem at a lower
>> level, e.g. by specializing default_getter_by_ref? Or should I directly
>> specialize make_getter?
>>
> 
> Could you provide a little more information about what you're trying to
> do and what the error is?  I'm surprised that you're having to specify a
> call-policy manually for return-by-value; I've used by-value to_python
> converters plenty of times without ever having to do that.
> 
> Jim
> 

I don't have to do it for functions that return by value, only for
static members that I want to wrap in a static property.

I put the example here: https://gist.github.com/4602341

Michael