help on python SWIG C++ extension

Diez B. Roggisch deets at nospam.web.de
Tue Sep 16 23:04:43 CEST 2008


RLC schrieb:
> Hello
> 
> I am new to python SWIG. Recently I wrote a small program trying to
> import collada files(using colladadom) into python so I could use
> python cgkit to render them. However, during the progressing, I got
> some problems. Every time I quit from Python, I get a segmentation
> fault, although the main program runs well. I suspect it is because I
> wrapped std::vector objects in C struct and I did not release the
> memory properly. Below is the code. I am working on FreeBSD 7.0, GCC
> 4.2.1. I will be very appreciated if you could help me. Thanks a lot.
> 
> the error I have got
> Segmentation fault: 11 (core dumped)

Try starting the program in gdb. This works using


$ gdb python
(gdb) set args myscript.py
(gdb) run

Then when the segfault hits, get a backtrace to see where the actual 
problem occurs.

Diez



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