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Re: PEP idea: On Windows, subprocess should implicitly support .bat and .cmd scripts by using FindExecutable from win32 API

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Date Fri, 8 May 2015 11:50:00 +1000
Subject Re: PEP idea: On Windows, subprocess should implicitly support .bat and .cmd scripts by using FindExecutable from win32 API
From Chris Angelico <rosuav@gmail.com>
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On Fri, May 8, 2015 at 1:24 AM, Marko Rauhamaa <marko@pacujo.net> wrote:
>> That's Python's job. Abstracting away all those differences so you
>> don't have to look at them.
>
> That's the difference between our opinions: you want Python to work the
> same on different OS's. I want Python's system programming facilities to
> closely mirror those of C.

In that case, what you should do is devise an alternative language
that compiles as a thin layer over C. Have a simple translation script
that turns your code into actual C, then passes it along for
compilation. You could add whatever Python-like features you want
(memory management, maybe), but still be executing as C code. But you
don't want a high level language, if your greatest goal is "closely
mirror C".

> Take your example of subprocess.Popen. It may be essential to know that
> the communication channel is a pipe with standard pipe semantics. The
> child program might not be written in Python, after all. In fact, at
> system design level you shouldn't care what language you use as long as
> the communication interfaces are specified.

Ah, but that's a completely different thing. If you're working with a
child that isn't written in Python, then you're not working at the
level of the multiprocessing library - you're working with "I need to
give this something on its stdin and get the result back from its
stdout". For that, yes, you need something a bit more concrete; but
now it's become part of the API for that child process, whereas the
example I was giving was about the multiprocessing library, where it's
part of the implementation.

ChrisA

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PEP idea: On Windows, subprocess should implicitly support .bat and .cmd scripts by using FindExecutable from win32 API Stefan Zimmermann <zimmermann.code@gmail.com> - 2015-05-06 15:11 -0700
  Re: PEP idea: On Windows, subprocess should implicitly support .bat and .cmd scripts by using FindExecutable from win32 API Dave Angel <davea@davea.name> - 2015-05-06 20:58 -0400
  Re: PEP idea: On Windows, subprocess should implicitly support .bat and .cmd scripts by using FindExecutable from win32 API Chris Angelico <rosuav@gmail.com> - 2015-05-07 12:19 +1000
    Re: PEP idea: On Windows, subprocess should implicitly support .bat and .cmd scripts by using FindExecutable from win32 API Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-05-07 13:33 +1000
      Re: PEP idea: On Windows, subprocess should implicitly support .bat and .cmd scripts by using FindExecutable from win32 API Chris Angelico <rosuav@gmail.com> - 2015-05-07 13:57 +1000
      Re: PEP idea: On Windows, subprocess should implicitly support .bat and .cmd scripts by using FindExecutable from win32 API Gisle Vanem <gvanem@yahoo.no> - 2015-05-07 09:15 +0200
        Re: PEP idea: On Windows, subprocess should implicitly support .bat and .cmd scripts by using FindExecutable from win32 API Stefan Zimmermann <zimmermann.code@gmail.com> - 2015-05-07 02:38 -0700
          Re: PEP idea: On Windows, subprocess should implicitly support .bat and .cmd scripts by using FindExecutable from win32 API Stefan Zimmermann <zimmermann.code@gmail.com> - 2015-05-07 03:03 -0700
            Re: PEP idea: On Windows, subprocess should implicitly support .bat and .cmd scripts by using FindExecutable from win32 API Marko Rauhamaa <marko@pacujo.net> - 2015-05-07 13:10 +0300
              Re: PEP idea: On Windows, subprocess should implicitly support .bat and .cmd scripts by using FindExecutable from win32 API Chris Angelico <rosuav@gmail.com> - 2015-05-07 20:24 +1000
              Re: PEP idea: On Windows, subprocess should implicitly support .bat and .cmd scripts by using FindExecutable from win32 API Dave Angel <davea@davea.name> - 2015-05-07 07:28 -0400
              Re: PEP idea: On Windows, subprocess should implicitly support .bat and .cmd scripts by using FindExecutable from win32 API Chris Angelico <rosuav@gmail.com> - 2015-05-07 21:43 +1000
                Re: PEP idea: On Windows, subprocess should implicitly support .bat and .cmd scripts by using FindExecutable from win32 API Marko Rauhamaa <marko@pacujo.net> - 2015-05-07 15:41 +0300
                Re: PEP idea: On Windows, subprocess should implicitly support .bat and .cmd scripts by using FindExecutable from win32 API Chris Angelico <rosuav@gmail.com> - 2015-05-07 22:53 +1000
                Re: PEP idea: On Windows, subprocess should implicitly support .bat and .cmd scripts by using FindExecutable from win32 API Marko Rauhamaa <marko@pacujo.net> - 2015-05-07 16:44 +0300
                Re: PEP idea: On Windows, subprocess should implicitly support .bat and .cmd scripts by using FindExecutable from win32 API Chris Angelico <rosuav@gmail.com> - 2015-05-08 00:03 +1000
                Re: PEP idea: On Windows, subprocess should implicitly support .bat and .cmd scripts by using FindExecutable from win32 API Marko Rauhamaa <marko@pacujo.net> - 2015-05-07 18:24 +0300
                Re: PEP idea: On Windows, subprocess should implicitly support .bat and .cmd scripts by using FindExecutable from win32 API Stefan Zimmermann <zimmermann.code@gmail.com> - 2015-05-07 08:45 -0700
                Re: PEP idea: On Windows, subprocess should implicitly support .bat and .cmd scripts by using FindExecutable from win32 API Marko Rauhamaa <marko@pacujo.net> - 2015-05-07 21:13 +0300
                Re: PEP idea: On Windows, subprocess should implicitly support .bat and .cmd scripts by using FindExecutable from win32 API Stefan Zimmermann <zimmermann.code@gmail.com> - 2015-05-07 16:27 -0700
                Re: PEP idea: On Windows, subprocess should implicitly support .bat and .cmd scripts by using FindExecutable from win32 API Chris Angelico <rosuav@gmail.com> - 2015-05-08 11:50 +1000
                Re: PEP idea: On Windows, subprocess should implicitly support .bat and .cmd scripts by using FindExecutable from win32 API Ben Finney <ben+python@benfinney.id.au> - 2015-05-08 12:26 +1000
                Re: PEP idea: On Windows, subprocess should implicitly support .bat and .cmd scripts by using FindExecutable from win32 API Marko Rauhamaa <marko@pacujo.net> - 2015-05-08 09:14 +0300
                Re: PEP idea: On Windows, subprocess should implicitly support .bat and .cmd scripts by using FindExecutable from win32 API Ian Kelly <ian.g.kelly@gmail.com> - 2015-05-07 09:14 -0600
                Re: PEP idea: On Windows, subprocess should implicitly support .bat and .cmd scripts by using FindExecutable from win32 API Chris Angelico <rosuav@gmail.com> - 2015-05-08 11:46 +1000

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