embedded python in dll with C

Mick Duprez duprez at hinet.net.au
Mon Jul 16 08:13:49 CEST 2007


Hi All,
I can't quite get my head around embedding Python in a C app and I
have a few questions if I may, here is the background.
I want to create a dll plugin that has the Python interpreter embedded
in it for use in scripting an established application. So far I have
created the interface dll and py module using swig. So far so good,
now some questions -

1) Would it be best to combine my swig generated .c file into the same
dll as my plugin dll or leave it seperate, in other words should I
just embed the interpreter into the C 'plugin' dll and create the
interface module and dll seperately to import into python scripts?

2) Once I have done this would it be appropriate just to use something
like this in my C code -

PyRun_SimpleString("import my_plugin_script");
PyRun_SimpleString("init_func_from_script()");

where 'init_func_from_script' establishes callbacks for C to use from
the script using the new interface module/dll? The C application has
it's own functions for registering callbacks by passing in a list of
the functions, I'm hoping this will work.

I'll give it a go in the mean time, just looking for the right/better
way to do this, thanks.




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