Extended functions in embedded code

[Ervin Hegedüs]

Hi Chris,

what I misses: currently I'm using Python 2.7.

On Wed, Oct 14, 2015 at 02:48:57AM +1100, Chris Angelico wrote:
> On Wed, Oct 14, 2015 at 2:29 AM, Ervin Hegedüs <airween at gmail.com> wrote:
> >>
> >> Sounds to me like the easiest way would be to inject into the
> >> builtins. You should be able to import the builtins module from your C
> >> code, and then stuff some extra attributes into it; they'll be
> >> automatically available to the script, same as the "normal" built-in
> >> names like int, super, and ValueError.
> >
> > well, sounds good - this solution would be right for me. Could
> > you show me a good example and/or documentation about this? I've
> > looked up, but "python extend built-in module" is may be too
> > simple expression :).
> 
> It'd look broadly like this:
> 
> /* initialize the interpreter, yada yada */
> PyObject *builtins = PyImport_ImportModule("builtins");
> PyModule_AddFunctions(builtins, mymodule_methods);

PyModule_AddFunction was introduced in Python 3.5. Most of stable
Linux distribution has Python 3.4
 
> instead of the current module initialization. You import the name
> 'builtins', stuff some extra stuff into it, and then go on your merry
> way. It should be reasonably easy.

Is there any other solution to add functions to builtins?


Thanks,

a.
 

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