Hi Nick, On 19.08.17 09:37, Nick Coghlan wrote: > On 19 August 2017 at 02:55, Jelle Zijlstra <jelle.zijls...@gmail.com> wrote: >> 2017-08-18 18:20 GMT+02:00 Yury Selivanov <yselivanov...@gmail.com>: >>> There's a backport of signature API to Python 2. Although last time I >>> checked it was fairly outdated. >>> >> I wrote a backport earlier this year: https://pypi.python.org/pypi/inspect2. > > Nice. > > Yury was probably referring to https://funcsigs.readthedocs.io/, which > is a partial backport specifically of inspect.Signature and friends. > > Either way, the answer to Christian's original question is that "Yes, > supporting __signature__ is also useful in Python 2.x", as even though > the native inspect module doesn't support it, 3rd party backports do.
I did not use a backport, but simply hacked it together, myself: - Take the signature part of Python 3.6 out, - Adjust the syntax to Python 2.7. The hairy part was my way to create the PySide PyCFunction objects in a compatible way like Python 3 does it: the handling of PyCFunction's "self" parameter is different (holds type info, Python 2 does not). That needed much more internal knowledge as intended... Well, I thought the existence of __signature__ might be a good reason to switch to Python 3, but if I support Python 2, the advantage is gone. But if it's ok with you, then I'll publish both versions. Thanks a lot for the feedback. Ciao - Chris -- Christian Tismer :^) tis...@stackless.com Software Consulting : http://www.stackless.com/ Karl-Liebknecht-Str. 121 : https://github.com/PySide 14482 Potsdam : GPG key -> 0xFB7BEE0E phone +49 173 24 18 776 fax +49 (30) 700143-0023
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