On Wed, Dec 14, 2011 at 7:09 PM, Hugo Parente Lima <hugo.l...@openbossa.org>wrote:
> On Wednesday 14 December 2011 12:05:57 anatoly techtonik wrote: > > Hello, > > > > Is it possible to generate bindings for C libraries with shiboken? > > Yes you can, maybe shiboken isn't the better tool to bind C code, but it > can > do the job, and if you want a nicer and more OO API for your bindings you > can > do what Marcelo did here: > > http://www.setantas.net/blog/2011/03/08/python-bindings-for-libepub-using- > shiboken/ This tutorial requires writing C++ wrapper around C code. Is it possible to avoid that? > You also need to care care of putting all your includes inside a "extern > C", > because shiboken generates C++ code. > Could you, please, expand this a bit? Do I need to do this in avbin.h file, or in generated .cpp/.h files? (If I was comfortable with C/C++, I would probably already created Python binding by hand). > I understand that C is a subset of C++, but I can't generate anything from > > C header file. > > For example, I want to create binding for avbin_get_version() function > > available from > > https://github.com/AVbin/AVbin/blob/master/include/avbin.h > > > > I do: > > $ shiboken lib/AVbin/include/avbin.h typesystem.xml > > > > Where typesystem.xml is the following: > > > > <?xml version="1.0"?> > > > > <!-- the name of the module as it will be imported from Python--> > > <typesystem package='AVbin'> > > <function signature='int avbin_get_version()' rename='version'/> > > </typesystem> > > > > > > First of all it always complains about "No C++ classes found!" > > You can ignore this message. > > > Then I see the message: > > Global function 'int avbin_get_version()' is specified in typesystem, but > > not defined. This could potentially lead to compilation errors. > > If I modify the <function> with signature='avbin_get_version()' I get > > another error: > > skipping function '::avbin_get_version', unmatched return type 'int' > > Probably this function wasn't found in your global header, the header file > read by shiboken to find what classes/function can be bound, look at the > log > files generated by the generator. They are empty. 1032 bytes each. Console output: http://pastebin.com/fU7rzmXi Generated files: - out/AVbin/avbin_module_wrapper.cpp - http://pastebin.com/GUkTiksN - out/AVbin/avbin_python.h - http://pastebin.com/KmGDW8xi I've uploaded the project to: https://bitbucket.org/techtonik/shiboken-avbin
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