Embedding

Mark Rowe mark21rowe at yahoo.com
Fri Jun 22 02:56:32 EDT 2001


Thanks for the reply.  I was actually most interested in implementing it in
C.  I still cant seem to find the methods to call :)

Mark
"Alex Martelli" <aleaxit at yahoo.com> wrote in message
news:9gq7lq0lvl at enews1.newsguy.com...
> "Mark Rowe" <mark21rowe at yahoo.com> wrote in message
> news:3b305ce7 at news.actrix.gen.nz...
> > Hey all,
> >
> > Just been fiddling round with embedding Python in a C program, and one
> thing
> > has me stuck.  I would like the user to be able to enter some python
code
> > containing functions, then at a later point execute one of these
functions
> > by name.  I'm not really sure what i need to do for this to work
>
> You don't have to do much.  Collect the source code that the user
> enters (e.g. in a text-entry window in a GUI?), into one big Python
> string (make sure there's a '\n' at the end:-), feed it to builtin
> function compile() and make sure to catch a SyntaxError that will
> be raised if the code has syntax errors, and let the user know.   If
> there are no errors, compile() returns a code-object.  Stash it away,
> and at any later time you can pass it to statement 'exec' (you may
> want to pass specific dictionaries to control execution namespaces).
> Again, be sure to catch and report any exceptions that may arise.
>
> This is all at the Python-level, where it's easiest, but of course there
> is equivalent functionality accessible from the C API, too -- it's just
> more work (as usual for C vs Python:-) so, the more you can do in
> Python, the merrier, no?-)
>
>
> Alex
>
>
>





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