On Tuesday 25 January 2005 11:06, Jim Bublitz wrote: > On Tuesday 25 January 2005 10:10, John Fabiani wrote: > > Can someone provide a link or demo code calling Python KDE from C++. I'm > > wondering if I can write a program in Python and have the C++ code > > control the opening and closing of the Python code. > > I don't have a specific link, but it's no different than embedding Python > using any other Python modules. A place to start is the Python "Extending > and Embedding" and "Python/C API" docs that should come with your Python > version. The "Programming Python" book has a good chapter, although my copy > is pretty dated now. > > The basic procedure is that you need to instantiate a Python interpreter > (there's a C call to do that). Then from C/C++ you can make the interpreter > execute strings, load and execute modules, pass and return values, etc. > using Python's C lib calls from your C++ code. Probably the trickiest parts > are understanding how to handle Python objects (there are conversion > functions in the Python lib) and making sure you handle reference counting > correctly. Even threading shouldn't be too much of a problem using more > recent Python versions and sip 4. > > The other thing that can be helpful with PyQt/PyKDE is the sip Python > module (import sip), primarily the wrapinstance/unwrapinstance methods > described in Section 9, which allow you easily convert arguments between > C/C++ and Python on the Python side. That makes it pretty easy to create a > Qt or KDE object in C++ and use it in Python, or vice versa. > > Jim Thanks a bunch I think I understand. Looks like it may be easy. John
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