Re: [Swig-user] Throwing an exception in Python defined in a different module

[Patrick A. <pa...@ic...>]

Hello David,

Thank you so much for your extremely detailed code example. I’ll need a few days to wrap (pun intended) my head around it, but I’ll report back my findings once I do.

Patrick

On Dec 24, 2013, at 12:21 PM, David Froger <dav...@in...> wrote:

> Here is an example attached.
> 
> Hope it helps!
> 
> Quoting David Froger (2013-12-24 11:37:09)
>> Hi Patrick,
>> 
>> I did something similar using capsule [1], I'll went a examle soon.
>> 
>> David
>> 
>> [1] http://docs.python.org/2/c-api/capsule.html
>> 
>> 
>> Quoting Patrick Abeya (2013-12-19 20:03:19)
>>> Hello there
>>> 
>>> I’m trying to make a C++ sdk available  via Python using SWIG. This sdk has a
>>> crazy and illogical exception hierarchy, which I would like to fix so that it
>>> looks sane from Python. The idea is that all of the exceptions that are thrown
>>> by the sdk will be converted to my own exceptions.
>>> 
>>> At this point I have 2 options, either create those exceptions in Python or
>>> create them in C++ and create wrappers for them. I’m under the impression that
>>> it makes more sense to create them in C++ since it will make them easier to
>>> deal with in the %exception block.
>>> 
>>> So I went ahead and did the following:
>>> 
>>> %exception
>>> {
>>>    try
>>>    {
>>>        $action
>>>    }
>>>    catch (AnException &e)
>>>    {
>>>        AnotherException *ecopy = new AnotherException(e.what());
>>>        PyObject *err = SWIG_NewPointerObj(ecopy, SWIGTYPE_p_AnotherException,
>>> 1);
>>>        PyErr_SetObject(SWIG_Python_ExceptionType(SWIGTYPE_p_AnotherException),
>>> err);
>>>        SWIG_fail;
>>> 
>>>    }
>>> }
>>> 
>>> My problem is that SWIGTYPE_p_AnotherException is defined in a different
>>> module, so it is obviously not available from the current wrapper. I tried
>>> 
>>> %import (module="anotherModule") “AnotherException.h"
>>> 
>>> but that did not work. There was a suggestion in the doc of using
>>> 
>>> -DSWIG_TYPE_TABLE=myproject
>>> 
>>> but I couldn’t see how this would help and it did not work indeed. Any ideas?
>> 
>> ------------------------------------------------------------------------------
>> Rapidly troubleshoot problems before they affect your business. Most IT 
>> organizations don't have a clear picture of how application performance 
>> affects their revenue. With AppDynamics, you get 100% visibility into your 
>> Java,.NET, & PHP application. Start your 15-day FREE TRIAL of AppDynamics Pro!
>> http://pubads.g.doubleclick.net/gampad/clk?id=84349831&iu=/4140/ostg.clktrk
>> _______________________________________________
>> Swig-user mailing list
>> Swi...@li...
>> https://lists.sourceforge.net/lists/listinfo/swig-user
> <exceptions_in_capsule.tar.gz>------------------------------------------------------------------------------
> Rapidly troubleshoot problems before they affect your business. Most IT 
> organizations don't have a clear picture of how application performance 
> affects their revenue. With AppDynamics, you get 100% visibility into your 
> Java,.NET, & PHP application. Start your 15-day FREE TRIAL of AppDynamics Pro!
> http://pubads.g.doubleclick.net/gampad/clk?id=84349831&iu=/4140/ostg.clktrk_______________________________________________
> Swig-user mailing list
> Swi...@li...
> https://lists.sourceforge.net/lists/listinfo/swig-user