On 02/05/2014 05:52 AM, "Martin v. Löwis" wrote:
D: Add a new type slot for method signatures. This would be a
tp_signature field, along with a new slot id Py_tp_signature. The
signature field itself could be
struct PyMethodSignature {
char *method_name;
char *method_signature;
};
That should work too, though we'd also have to add a md_signature field
to module objects.
It would probably be best to merge the signature into the callable
object anyway. Otherwise we'd have to go look up the signature using
__name__ and __self__ / __objclass__ on demand. Maybe that isn't such a
big deal, but it gets a little worse: as far as I can tell, there's no
attribute on a type object one can use to find the module it lives in.
So in this situation:
>>> import _pickle
>>> import inspect
>>> inspect.signature(_pickle.Pickler)
How could inspect.signature figure out that the "Pickler" type object
lives in the "_pickle" module? My best guess: parsing the __qualname__,
which is pretty ugly.
Also, keeping the signature as a reasonably-human-readable preface to
the docstring means that, if we supported this for third-party modules,
they could be binary ABI compatible with 3.3 and still have something
approximating the hand-written signature at the top of their docstring.
Cheers,
//arry/
_______________________________________________
Python-Dev mailing list
Python-Dev@python.org
https://mail.python.org/mailman/listinfo/python-dev
Unsubscribe:
https://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
