Accessing Python variables in an extension module

[MD]

Hi Alex,
  Thanks for the answer. Are there any C defines (for e.g. STRING,
BOOLEAN) corresponding to each Python type?

Thanks,
-Manas

On Jul 16, 9:53 am, al... at mac.com (Alex Martelli) wrote:
> MD <man... at gmail.com> wrote:
> > Hi Alex,
> >    Thanks for your reply. It was exactly what I was looking for. Two
> > additional questions
> > 1) Is there anyway to find out which modules a variable belongs to
> > when I have only its name (and its not qualified with the complete
> > name like module.varname)
>
> Loop through all modules in sys.modules and you will find a set (which
> may be empty) of modules which happen to have that name as an attribute.
> It's a very peculiar thing to do (not clear what you expect to do based
> on that information) but not difficult.
>
> > 2) Is there anyway to find the type of the object in C using something
> > like a switch statement? I was looking for something like this
> >    switch type(object) {
> >       STRING: "This is a string object";
> >               break;
> >       INTEGER: "This is an integer object";
> >               break;
> >       BOOLEAN: "This is a boolean object";
> >       .........
> >       .........
> >       }
> > I don't want to run all the C Py***_Check functions on the object.
> > Something like the switch statement above will lead to nice and clean
> > code.
>
> Each Python object, in C, carries a pointer to its type object.  Of
> course there are unbounded numbers of types, but at least you can get
> such information as the type's name and the module if any in which it
> may have been defined, essentially like you'd do with type(somobj) if
> you were working directly in Python.
>
> Alex