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Re: Ignore error with non-zero exit status (was: How to ignore error with anon-zero exit status)

Path csiph.com!fu-berlin.de!uni-berlin.de!not-for-mail
From Chris Angelico <rosuav@gmail.com>
Newsgroups comp.lang.python
Subject Re: Ignore error with non-zero exit status (was: How to ignore error with anon-zero exit status)
Date Mon, 21 Dec 2015 08:56:34 +1100
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On Mon, Dec 21, 2015 at 8:22 AM, Thomas 'PointedEars' Lahn
<PointedEars@web.de> wrote:
> Python 2.6 (why are you using the oldest Python minor version?) introduced
> string.format(), so you should use that instead of the old string format
> operator (“%”):
>
>   logging.error("Can't run {0}; got {1} ({2:d})!".format(cmd, err, ret))
>
> <https://docs.python.org/2.6/library/stdtypes.html#str.format>

Percent formatting isn't going away. There's no need to tell people to
abandon it in favour of .format(), unless they actually need a feature
of .format().

> On the other hand, you do not need the format operator to begin with:
>
>   logging.error("Can't run %s; got %s (%d)!", cmd, err, ret)
>
> <https://docs.python.org/2.6/library/logging.html#logging.error>
>

See? Another good reason to hang onto percent formatting.

ChrisA

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Thread

How to ignore error with anon-zero exit status Ganesh Pal <ganesh1pal@gmail.com> - 2015-12-20 23:00 +0530
  Ignore error with non-zero exit status (was: How to ignore error with anon-zero exit status) Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-12-20 22:22 +0100
    Re: Ignore error with non-zero exit status (was: How to ignore error with anon-zero exit status) Chris Angelico <rosuav@gmail.com> - 2015-12-21 08:56 +1100
      Re: Ignore error with non-zero exit status Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-12-20 23:46 +0100
        Re: Ignore error with non-zero exit status Chris Angelico <rosuav@gmail.com> - 2015-12-21 10:09 +1100
          Re: Ignore error with non-zero exit status Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-12-21 08:51 +0100
            Re: Ignore error with non-zero exit status Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-12-21 12:58 +0000
              Re: Ignore error with non-zero exit status Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-12-21 14:19 +0100
                Re: Ignore error with non-zero exit status Chris Angelico <rosuav@gmail.com> - 2015-12-22 00:23 +1100
                Re: Ignore error with non-zero exit status Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-12-21 15:05 +0100
                Re: Ignore error with non-zero exit status Chris Angelico <rosuav@gmail.com> - 2015-12-22 01:11 +1100
                Re: Ignore error with non-zero exit status Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-12-21 15:19 +0100
                Re: Ignore error with non-zero exit status Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-12-21 16:07 +0000
                Re: Ignore error with non-zero exit status Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-12-21 23:30 +0100
                Re: Ignore error with non-zero exit status Random832 <random832@fastmail.com> - 2015-12-21 11:30 -0500
                Re: Ignore error with non-zero exit status Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-12-21 23:27 +0100
                Re: Ignore error with non-zero exit status Steven D'Aprano <steve@pearwood.info> - 2015-12-22 10:32 +1100
                Re: Ignore error with non-zero exit status Terry Reedy <tjreedy@udel.edu> - 2015-12-21 18:53 -0500
                Re: Ignore error with non-zero exit status Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-12-22 13:17 +0100
                Re: Ignore error with non-zero exit status Chris Angelico <rosuav@gmail.com> - 2015-12-22 11:05 +1100
                Re: Ignore error with non-zero exit status Ian Kelly <ian.g.kelly@gmail.com> - 2015-12-21 17:17 -0700
                Re: Ignore error with non-zero exit status Chris Angelico <rosuav@gmail.com> - 2015-12-22 11:25 +1100
        Re: Ignore error with non-zero exit status Ian Kelly <ian.g.kelly@gmail.com> - 2015-12-21 13:30 -0700
        Meaning and purpose of the Subject field (was: Ignore error with non-zero exit status) Ben Finney <ben+python@benfinney.id.au> - 2015-12-22 07:58 +1100
        Re: Meaning and purpose of the Subject field (was: Ignore error with non-zero exit status) Ian Kelly <ian.g.kelly@gmail.com> - 2015-12-21 14:16 -0700
          Re: Meaning and purpose of the Subject field (was: Ignore error with non-zero exit status) Jon Ribbens <jon+usenet@unequivocal.co.uk> - 2015-12-21 21:44 +0000
            Re: Meaning and purpose of the Subject field Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-12-21 23:55 +0100
            Re: Meaning and purpose of the Subject field (was: Ignore error with non-zero exit status) Steven D'Aprano <steve@pearwood.info> - 2015-12-22 10:14 +1100
              Re: Meaning and purpose of the Subject field (was: Ignore error with non-zero exit status) Jon Ribbens <jon+usenet@unequivocal.co.uk> - 2015-12-21 23:24 +0000
                Re: Meaning and purpose of the Subject field (was: Ignore error with non-zero exit status) Ian Kelly <ian.g.kelly@gmail.com> - 2015-12-21 16:57 -0700
                Re: Meaning and purpose of the Subject field (was: Ignore error with non-zero exit status) Tim Chase <python.list@tim.thechases.com> - 2015-12-22 09:56 -0600
              Re: Meaning and purpose of the Subject field (was: Ignore error with non-zero exit status) Cameron Simpson <cs@zip.com.au> - 2015-12-22 14:36 +1100
              Re: Meaning and purpose of the Subject field Random832 <random832@fastmail.com> - 2015-12-21 23:22 -0500
                Re: Meaning and purpose of the Subject field Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-12-22 13:26 +0100
              Re: Meaning and purpose of the Subject field (was: Ignore error with non-zero exit status) Grant Edwards <invalid@invalid.invalid> - 2015-12-22 15:17 +0000
                Re: Meaning and purpose of the Subject field (was: Ignore error with non-zero exit status) Ian Kelly <ian.g.kelly@gmail.com> - 2015-12-22 08:28 -0700
                Re: Meaning and purpose of the Subject field (was: Ignore error with non-zero exit status) Grant Edwards <invalid@invalid.invalid> - 2015-12-22 22:32 +0000
        Re: Meaning and purpose of the Subject field (was: Ignore error with non-zero exit status) Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2015-12-21 16:55 -0500
    Re: Ignore error with non-zero exit status (was: How to ignore error with anon-zero exit status) Ganesh Pal <ganesh1pal@gmail.com> - 2015-12-21 08:22 +0530
      Re: Ignore error with non-zero exit status Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-12-21 08:54 +0100

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