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Re: Python 3.2 has some deadly infection

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Date Thu, 5 Jun 2014 17:30:26 +1000
Subject Re: Python 3.2 has some deadly infection
From Chris Angelico <rosuav@gmail.com>
Cc "python-list@python.org" <python-list@python.org>
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On Thu, Jun 5, 2014 at 5:16 PM, Marko Rauhamaa <marko@pacujo.net> wrote:
> No problem there, only should sys.stdin and sys.stdout carry the
> decoding/encoding out or should it be left for the program.

The most normal thing to do with the standard streams is to have them
produce text, and as much as possible, you shouldn't have to go to
great lengths to make that work. If, in Python, I say print("Hello,
world!"), I expect that to produce a line of text on the screen,
without my code having to encode that to bytes, figure out what sort
of newline to add, etc, etc.

Even if stdout isn't a tty, chances are you're still working with
text. Only an extreme few Unix programs actually manipulate binary
standard streams (some, like cat, will pipe binary through unchanged,
but even cat assumes text for options like -n); those few should be
the ones to have to worry about setting stdin and stdout to be binary.
In the same way that we have double-quoted strings being Unicode
strings, we should have print() and input() "naturally just work" with
Unicode, which means they should negotiate encodings with the system
without the programmer having to lift a finger.

ChrisA

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Thread

Python 3.2 has some deadly infection Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-05-31 17:10 +0100
  Re: Python 3.2 has some deadly infection Marko Rauhamaa <marko@pacujo.net> - 2014-05-31 22:55 +0300
  Re: Python 3.2 has some deadly infection Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-06-01 02:26 +0000
    Re: Python 3.2 has some deadly infection Chris Angelico <rosuav@gmail.com> - 2014-06-01 12:43 +1000
    Re: Python 3.2 has some deadly infection Tim Delaney <timothy.c.delaney@gmail.com> - 2014-06-02 08:54 +1000
      Re: Python 3.2 has some deadly infection Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-06-02 01:14 +0000
        Re: Python 3.2 has some deadly infection Tim Delaney <timothy.c.delaney@gmail.com> - 2014-06-02 12:23 +1000
          Re: Python 3.2 has some deadly infection Rustom Mody <rustompmody@gmail.com> - 2014-06-01 19:46 -0700
        Re: Python 3.2 has some deadly infection Wolfgang Maier <wolfgang.maier@biologie.uni-freiburg.de> - 2014-06-02 07:45 +0000
        Re: Python 3.2 has some deadly infection Tim Delaney <timothy.c.delaney@gmail.com> - 2014-06-02 19:02 +1000
        Re: Python 3.2 has some deadly infection Chris Angelico <rosuav@gmail.com> - 2014-06-02 19:14 +1000
        Re: Python 3.2 has some deadly infection Robin Becker <robin@reportlab.com> - 2014-06-02 12:10 +0100
          Re: Python 3.2 has some deadly infection Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-06-03 16:34 +0000
            Re: Python 3.2 has some deadly infection Chris Angelico <rosuav@gmail.com> - 2014-06-04 02:43 +1000
        Re: Python 3.2 has some deadly infection Terry Reedy <tjreedy@udel.edu> - 2014-06-02 17:34 -0400
          Re: Python 3.2 has some deadly infection Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2014-06-03 17:16 +1200
            Re: Python 3.2 has some deadly infection Terry Reedy <tjreedy@udel.edu> - 2014-06-03 02:21 -0400
            Re: Python 3.2 has some deadly infection Robin Becker <robin@reportlab.com> - 2014-06-03 15:18 +0100
              Re: Python 3.2 has some deadly infection Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-06-04 13:08 +0000
                Re: Python 3.2 has some deadly infection Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2014-06-05 14:01 +1200
                Re: Python 3.2 has some deadly infection Marko Rauhamaa <marko@pacujo.net> - 2014-06-05 10:16 +0300
                Re: Python 3.2 has some deadly infection Chris Angelico <rosuav@gmail.com> - 2014-06-05 17:30 +1000
                Re: Python 3.2 has some deadly infection Marko Rauhamaa <marko@pacujo.net> - 2014-06-05 11:05 +0300
                Re: Python 3.2 has some deadly infection Chris Angelico <rosuav@gmail.com> - 2014-06-05 18:36 +1000
                Re: Python 3.2 has some deadly infection Marko Rauhamaa <marko@pacujo.net> - 2014-06-05 12:53 +0300
                Re: Python 3.2 has some deadly infection wxjmfauth@gmail.com - 2014-06-05 05:43 -0700
                Re: Python 3.2 has some deadly infection Terry Reedy <tjreedy@udel.edu> - 2014-06-05 14:50 -0400
                Re: Python 3.2 has some deadly infection Marko Rauhamaa <marko@pacujo.net> - 2014-06-05 23:21 +0300
                Re: Python 3.2 has some deadly infection Terry Reedy <tjreedy@udel.edu> - 2014-06-05 18:09 -0400
                Re: Python 3.2 has some deadly infection Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-06-05 23:13 +0000
                Re: Python 3.2 has some deadly infection Marko Rauhamaa <marko@pacujo.net> - 2014-06-06 02:30 +0300
                Re: Python 3.2 has some deadly infection Chris Angelico <rosuav@gmail.com> - 2014-06-06 09:39 +1000
                Re: Python 3.2 has some deadly infection Terry Reedy <tjreedy@udel.edu> - 2014-06-05 22:08 -0400
                Re: Python 3.2 has some deadly infection Ethan Furman <ethan@stoneleaf.us> - 2014-06-05 20:47 -0700
                Re: Python 3.2 has some deadly infection Steven D'Aprano <steve@pearwood.info> - 2014-06-05 08:34 +0000
                Re: Python 3.2 has some deadly infection Marko Rauhamaa <marko@pacujo.net> - 2014-06-05 12:41 +0300
                Re: Python 3.2 has some deadly infection Rustom Mody <rustompmody@gmail.com> - 2014-06-05 06:37 -0700
                Re: Python 3.2 has some deadly infection Marko Rauhamaa <marko@pacujo.net> - 2014-06-05 17:45 +0300
                Re: Python 3.2 has some deadly infection Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-06-05 15:33 +0000
                Re: Python 3.2 has some deadly infection Chris Angelico <rosuav@gmail.com> - 2014-06-06 02:12 +1000
                Re: Python 3.2 has some deadly infection Rustom Mody <rustompmody@gmail.com> - 2014-06-05 09:54 -0700
                Re: Python 3.2 has some deadly infection Chris Angelico <rosuav@gmail.com> - 2014-06-06 03:36 +1000
                Re: Python 3.2 has some deadly infection Marko Rauhamaa <marko@pacujo.net> - 2014-06-05 19:52 +0300
                Re: Python 3.2 has some deadly infection Chris Angelico <rosuav@gmail.com> - 2014-06-06 03:28 +1000
                Re: Python 3.2 has some deadly infection Rustom Mody <rustompmody@gmail.com> - 2014-06-05 15:35 -0700
                Re: Python 3.2 has some deadly infection Chris Angelico <rosuav@gmail.com> - 2014-06-06 08:52 +1000
                Re: Python 3.2 has some deadly infection Rustom Mody <rustompmody@gmail.com> - 2014-06-05 20:11 -0700
                Re: Python 3.2 has some deadly infection Chris Angelico <rosuav@gmail.com> - 2014-06-06 13:20 +1000
                Re: Python 3.2 has some deadly infection Rustom Mody <rustompmody@gmail.com> - 2014-06-05 20:32 -0700
                Re: Python 3.2 has some deadly infection Akira Li <4kir4.1i@gmail.com> - 2014-06-06 12:03 +0400
                Re: Python 3.2 has some deadly infection Robin Becker <robin@reportlab.com> - 2014-06-05 16:37 +0100
                Re: Python 3.2 has some deadly infection Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-06-05 16:16 +0000
                Re: Python 3.2 has some deadly infection Chris Angelico <rosuav@gmail.com> - 2014-06-06 01:50 +1000
                Re: Python 3.2 has some deadly infection Robin Becker <robin@reportlab.com> - 2014-06-05 17:17 +0100
                Re: Python 3.2 has some deadly infection Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-06-05 16:32 +0000
                Re: Python 3.2 has some deadly infection Ethan Furman <ethan@stoneleaf.us> - 2014-06-06 07:40 -0700
                Re: Python 3.2 has some deadly infection Chris Angelico <rosuav@gmail.com> - 2014-06-06 03:14 +1000
                Re: Python 3.2 has some deadly infection Ian Kelly <ian.g.kelly@gmail.com> - 2014-06-05 11:16 -0600
                Re: Python 3.2 has some deadly infection Terry Reedy <tjreedy@udel.edu> - 2014-06-05 14:11 -0400
                Re: Python 3.2 has some deadly infection Marko Rauhamaa <marko@pacujo.net> - 2014-06-05 21:30 +0300
                Re: Python 3.2 has some deadly infection Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-06-05 23:02 +0000
                Re: Python 3.2 has some deadly infection Marko Rauhamaa <marko@pacujo.net> - 2014-06-06 02:21 +0300
                Re: Python 3.2 has some deadly infection Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-06-06 12:15 +0000
                Re: Python 3.2 has some deadly infection Marko Rauhamaa <marko@pacujo.net> - 2014-06-06 16:00 +0300
                Re: Python 3.2 has some deadly infection rurpy@yahoo.com - 2014-06-07 21:34 -0700
                Re: Python 3.2 has some deadly infection Ethan Furman <ethan@stoneleaf.us> - 2014-06-06 06:24 -0700
                Re: Python 3.2 has some deadly infection Marko Rauhamaa <marko@pacujo.net> - 2014-06-06 17:10 +0300
                Re: Python 3.2 has some deadly infection Michael Torrie <torriem@gmail.com> - 2014-06-06 09:02 -0600
                Re: Python 3.2 has some deadly infection Marko Rauhamaa <marko@pacujo.net> - 2014-06-06 18:32 +0300
                Re: Python 3.2 has some deadly infection Chris Angelico <rosuav@gmail.com> - 2014-06-07 01:50 +1000
                Re: Python 3.2 has some deadly infection Marko Rauhamaa <marko@pacujo.net> - 2014-06-06 20:02 +0300
                Re: Python 3.2 has some deadly infection Rustom Mody <rustompmody@gmail.com> - 2014-06-06 10:13 -0700
                Re: Python 3.2 has some deadly infection Chris Angelico <rosuav@gmail.com> - 2014-06-07 03:26 +1000
                Re: Python 3.2 has some deadly infection wxjmfauth@gmail.com - 2014-06-06 11:03 -0700
                Re: Python 3.2 has some deadly infection Denis McMahon <denismfmcmahon@gmail.com> - 2014-06-06 21:18 +0000
                Re: Python 3.2 has some deadly infection Chris Angelico <rosuav@gmail.com> - 2014-06-07 08:18 +1000
                Re: Python 3.2 has some deadly infection Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-06-06 15:57 +0000
                Re: Python 3.2 has some deadly infection Rustom Mody <rustompmody@gmail.com> - 2014-06-06 09:21 -0700
                Re: Python 3.2 has some deadly infection Chris Angelico <rosuav@gmail.com> - 2014-06-07 02:48 +1000
                Re: Python 3.2 has some deadly infection Rustom Mody <rustompmody@gmail.com> - 2014-06-06 10:04 -0700
                Re: Python 3.2 has some deadly infection Chris Angelico <rosuav@gmail.com> - 2014-06-07 03:12 +1000
                Re: Python 3.2 has some deadly infection Marko Rauhamaa <marko@pacujo.net> - 2014-06-06 20:11 +0300
                Re: Python 3.2 has some deadly infection Chris Angelico <rosuav@gmail.com> - 2014-06-07 03:16 +1000
                Re: Python 3.2 has some deadly infection Marko Rauhamaa <marko@pacujo.net> - 2014-06-06 20:18 +0300
                Re: Python 3.2 has some deadly infection Ned Batchelder <ned@nedbatchelder.com> - 2014-06-06 13:33 -0400
                Re: Python 3.2 has some deadly infection Chris Angelico <rosuav@gmail.com> - 2014-06-07 01:25 +1000
                Re: Python 3.2 has some deadly infection wxjmfauth@gmail.com - 2014-06-06 08:44 -0700
                Re: Python 3.2 has some deadly infection wxjmfauth@gmail.com - 2014-06-06 08:48 -0700
                Re: Python 3.2 has some deadly infection Robin Becker <robin@reportlab.com> - 2014-06-06 12:56 +0100
                Re: Python 3.2 has some deadly infection Akira Li <4kir4.1i@gmail.com> - 2014-06-05 06:49 +0400
            Re: Python 3.2 has some deadly infection Chris Angelico <rosuav@gmail.com> - 2014-06-04 00:25 +1000
            Re: Python 3.2 has some deadly infection Terry Reedy <tjreedy@udel.edu> - 2014-06-03 14:22 -0400

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