[C++-sig] Bugs in the Boost.Python tutorial example

[Alex Mohr]

On 11/17/2014 4:17 PM, Stefan Seefeld wrote:
> On 17/11/14 06:54 PM, Alex Mohr wrote:
>> On 11/17/2014 2:01 PM, Stefan Seefeld wrote:
>>> (Specifically: I'd be happy to help fix issues with the Boost.Python
>>> code itself, but I don't feel competent with bjam / Boost.Build, and my
>>> knowledge of MSVC is almost non-existent, not to speak of the fact that
>>> I have no computer near me running Windows, so I couldn't even test any
>>> Windows-specific patches.)
>>
>> Thanks for offering!  Here's a report for a crash bug with a patch
>> that I filed 16 months ago.  The formatting is busted in the original
>> report; please see the first comment for a properly formatted test
>> case and patch.
>>
>> https://svn.boost.org/trac/boost/ticket/8978
>>
>> We've been running this patch successfully since that ticket was filed.
>
> While the issue looks clear (and the patch good), can you attach a test
> case that would allow me to reproduce the issue (and observe the fix
> with the patch applied) ?
> Minimal test cases always accelerate the processing of reported issues. :-)

Sorry, the minimal test case is included in the report.  I will inline 
it here also.

Alex

// C++
#include <boost/python.hpp>

static void f1(int a0, int a1) { }
static void f2(int a0, int a1, int a2) { }

BOOST_PYTHON_MODULE(kwargCrash) {
     boost::python::def("f", f1, (arg("a1")=2));
     boost::python::def("f", f2, (arg("a2")=2));
}

# Python
import kwargCrash
kwargCrash.f(0, a1=2)