Re: Python Sanity Proposal: Type Hinting Solution

References	(6 earlier) <MPG.2f2cecb4624e49c498968c@nntp.aioe.org> <54c39e48$0$12996$c3e8da3$5496439d@news.astraweb.com> <7db16477-1dd6-4f93-adfe-54f7b7a690b2@googlegroups.com> <54c3d5d0$0$12977$c3e8da3$5496439d@news.astraweb.com> <87bnlo5bbz.fsf@jester.gateway.sonic.net>
Date	2015-01-25 06:59 +1100
Subject	Re: Python Sanity Proposal: Type Hinting Solution
From	Chris Angelico <rosuav@gmail.com>
Newsgroups	comp.lang.python
Message-ID	<mailman.18095.1422129558.18130.python-list@python.org> (permalink)

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On Sun, Jan 25, 2015 at 4:37 AM, Paul Rubin <no.email@nospam.invalid> wrote:
> Steven D'Aprano <steve+comp.lang.python@pearwood.info> writes:
>> versus any other decorator, but the STRING:
>> "@typehint(...)"
>> being used where a decorator would normally be expected.
>
> I didn't catch that either.  I think if hints are to go in decorators,
> then it's best to extend the decorator mechanism to allow arbitrary
> syntax, e.g.
>
> @-typehint (str, int) -> bool
>
> The @- would signify that the typehint function is to receive an AST as
> its argument, rather than its callable.  The AST would be the parse tree
> for the rest of the line.  Alternatively, it could get the line as a
> string and parse it with appropriate functions from the ast module.

That seems extremely messy. Why not use what can already be done?
Since you talk about getting the line as a string...

@typehint("(str, int) -> bool")

ChrisA

Thread

Python Sanity Proposal: Type Hinting Solution Rick Johnson <rantingrickjohnson@gmail.com> - 2015-01-22 17:15 -0800
  Re: Python Sanity Proposal: Type Hinting Solution MRAB <python@mrabarnett.plus.com> - 2015-01-23 03:22 +0000
  Re: Python Sanity Proposal: Type Hinting Solution Terry Reedy <tjreedy@udel.edu> - 2015-01-22 22:22 -0500
    Re: Python Sanity Proposal: Type Hinting Solution Rick Johnson <rantingrickjohnson@gmail.com> - 2015-01-23 11:23 -0800
      Re: Python Sanity Proposal: Type Hinting Solution Christian Gollwitzer <auriocus@gmx.de> - 2015-01-24 22:14 +0100
  Re: Python Sanity Proposal: Type Hinting Solution Rustom Mody <rustompmody@gmail.com> - 2015-01-22 19:23 -0800
    Re: Python Sanity Proposal: Type Hinting Solution Rick Johnson <rantingrickjohnson@gmail.com> - 2015-01-23 11:36 -0800
  Re: Python Sanity Proposal: Type Hinting Solution Chris Angelico <rosuav@gmail.com> - 2015-01-23 14:59 +1100
    Re: Python Sanity Proposal: Type Hinting Solution Rick Johnson <rantingrickjohnson@gmail.com> - 2015-01-23 11:48 -0800
      Re: Python Sanity Proposal: Type Hinting Solution Chris Angelico <rosuav@gmail.com> - 2015-01-24 06:59 +1100
        Re: Python Sanity Proposal: Type Hinting Solution Rick Johnson <rantingrickjohnson@gmail.com> - 2015-01-23 12:59 -0800
      Re: Python Sanity Proposal: Type Hinting Solution Mario Figueiredo <marfig@gmail.com> - 2015-01-23 22:02 +0100
        Re: Python Sanity Proposal: Type Hinting Solution Rick Johnson <rantingrickjohnson@gmail.com> - 2015-01-23 13:59 -0800
          Re: Python Sanity Proposal: Type Hinting Solution Mario Figueiredo <marfig@gmail.com> - 2015-01-23 23:42 +0100
            Re: Python Sanity Proposal: Type Hinting Solution Mario Figueiredo <marfig@gmail.com> - 2015-01-23 23:45 +0100
              Re: Python Sanity Proposal: Type Hinting Solution sohcahtoa82@gmail.com - 2015-01-23 14:52 -0800
                Re: Python Sanity Proposal: Type Hinting Solution Mario Figueiredo <marfig@gmail.com> - 2015-01-24 00:14 +0100
              Re: Python Sanity Proposal: Type Hinting Solution Marko Rauhamaa <marko@pacujo.net> - 2015-01-24 01:52 +0200
                Re: Python Sanity Proposal: Type Hinting Solution Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-01-24 16:29 +1100
                Re: Python Sanity Proposal: Type Hinting Solution Chris Angelico <rosuav@gmail.com> - 2015-01-24 16:38 +1100
                Re: Python Sanity Proposal: Type Hinting Solution Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-01-24 17:36 +1100
                Re: Python Sanity Proposal: Type Hinting Solution Chris Angelico <rosuav@gmail.com> - 2015-01-24 17:47 +1100
                Re: Python Sanity Proposal: Type Hinting Solution Marko Rauhamaa <marko@pacujo.net> - 2015-01-24 11:27 +0200
            Re: Python Sanity Proposal: Type Hinting Solution Rick Johnson <rantingrickjohnson@gmail.com> - 2015-01-23 15:39 -0800
            Re: Python Sanity Proposal: Type Hinting Solution Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-01-25 00:29 +1100
              Re: Python Sanity Proposal: Type Hinting Solution Mario Figueiredo <marfig@gmail.com> - 2015-01-24 15:09 +0100
                Re: Python Sanity Proposal: Type Hinting Solution Mario Figueiredo <marfig@gmail.com> - 2015-01-24 15:32 +0100
                Re: Python Sanity Proposal: Type Hinting Solution Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-01-25 03:05 +1100
                Re: Python Sanity Proposal: Type Hinting Solution Marco Buttu <marco.buttu@gmail.com> - 2015-01-24 15:25 +0100
              Re: Python Sanity Proposal: Type Hinting Solution Rick Johnson <rantingrickjohnson@gmail.com> - 2015-01-24 08:41 -0800
                Re: Python Sanity Proposal: Type Hinting Solution Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-01-25 04:26 +1100
                Re: Python Sanity Proposal: Type Hinting Solution Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-01-24 17:36 +0000
                Re: Python Sanity Proposal: Type Hinting Solution Paul Rubin <no.email@nospam.invalid> - 2015-01-24 09:37 -0800
                Re: Python Sanity Proposal: Type Hinting Solution Chris Angelico <rosuav@gmail.com> - 2015-01-25 06:59 +1100
  Re: Python Sanity Proposal: Type Hinting Solution Terry Reedy <tjreedy@udel.edu> - 2015-01-23 00:03 -0500
    Re: Python Sanity Proposal: Type Hinting Solution Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-01-23 16:59 +1100
      Re: Python Sanity Proposal: Type Hinting Solution "Fetchinson ." <fetchinson@googlemail.com> - 2015-01-23 14:23 +0100
        Re: Python Sanity Proposal: Type Hinting Solution Rick Johnson <rantingrickjohnson@gmail.com> - 2015-01-23 12:21 -0800
          Re: Python Sanity Proposal: Type Hinting Solution Mario Figueiredo <marfig@gmail.com> - 2015-01-23 22:12 +0100
            Re: Python Sanity Proposal: Type Hinting Solution Rick Johnson <rantingrickjohnson@gmail.com> - 2015-01-23 14:26 -0800
        Re: Python Sanity Proposal: Type Hinting Solution Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-01-24 17:21 +1100
          Re: Python Sanity Proposal: Type Hinting Solution Tim Chase <python.list@tim.thechases.com> - 2015-01-24 06:47 -0600
            Re: Python Sanity Proposal: Type Hinting Solution Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-01-25 00:40 +1100
              Re: Python Sanity Proposal: Type Hinting Solution Roy Smith <roy@panix.com> - 2015-01-24 09:06 -0500
          Re: Python Sanity Proposal: Type Hinting Solution "Fetchinson ." <fetchinson@googlemail.com> - 2015-01-24 22:01 +0100
      Re: Python Sanity Proposal: Type Hinting Solution Chris Angelico <rosuav@gmail.com> - 2015-01-24 04:11 +1100
      Re: Python Sanity Proposal: Type Hinting Solution "Fetchinson ." <fetchinson@googlemail.com> - 2015-01-23 22:07 +0100
  Re: Python Sanity Proposal: Type Hinting Solution Chris Angelico <rosuav@gmail.com> - 2015-01-23 16:31 +1100

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