On 10/01/2014 14:16, Gary Oberbrunner wrote:
[I posted this on StackOverflow yesterday, but got nothing. Hoping you will
have some insight!]
I'm writing a C++ python extension. I have a boost::python extension function
static void EXTrender_effect(EffectGlobals_t *effect_handle,
std::string preset,
bp::object dest, int xdim, int ydim)
{ ... }
that I export as usual in my boost.python extension:
def("render_effect", EXTrender_effect);
When I call that from python(2.7), I get a C++ exception
boost::python::error_already_set. Tracing that down in Visual Studio, I can
see it's coming from a boost::python::objects::function::argument_error. So
OK, I have an argument error; I'm probably calling it with the wrong args.
What I'd like to do is print or throw something sensible in my python
extension when this happens, so users of my extension will see the nice
message that I know is lurking in PyErr_Fetch. (I can see the message getting
built in the boost.python argument_error code.)
What is the exception you see from the python side? something like:
ArgumentError: Python argument types in
function_name(function_args)
did not match C++ signature:
cpp_function_name(cpp_args)
--
Giuseppe Corbelli
WASP Software Engineer, Copan Italia S.p.A
Phone: +390303666318 Fax: +390302659932
E-mail: giuseppe.corbe...@copanitalia.com
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