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Re: raise None

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From Ben Finney <ben+python@benfinney.id.au>
Newsgroups comp.lang.python
Subject Re: raise None
Date Thu, 31 Dec 2015 12:44:01 +1100
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Steven D'Aprano <steve@pearwood.info> writes:

> Traceback (most recent call last):
>   File "spam", line 19, in this
>   File "spam", line 29, in that
>   File "spam", line 39, in other
>   File "spam", line 5, in _validate
> ThingyError: ...
>
> and the reader has to understand the internal workings of _validate
> sufficiently to infer that this exception is not a bug in _validate
> but an expected failure mode of other when you pass a bad argument.

This point seems to advocate for suppressing *any* code that
deliberately raises an exception. Is that your intent?

-- 
 \      “I don't want to live peacefully with difficult realities, and |
  `\     I see no virtue in savoring excuses for avoiding a search for |
_o__)                        real answers.” —Paul Z. Myers, 2009-09-12 |
Ben Finney

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Thread

raise None Steven D'Aprano <steve@pearwood.info> - 2015-12-31 11:09 +1100
  Re: raise None Paul Rubin <no.email@nospam.invalid> - 2015-12-30 16:19 -0800
  Validation in Python (was: raise None) Ben Finney <ben+python@benfinney.id.au> - 2015-12-31 11:26 +1100
  Re: raise None Chris Angelico <rosuav@gmail.com> - 2015-12-31 11:38 +1100
    Re: raise None Steven D'Aprano <steve@pearwood.info> - 2015-12-31 12:26 +1100
      Re: raise None Ben Finney <ben+python@benfinney.id.au> - 2015-12-31 12:44 +1100
        Re: raise None Steven D'Aprano <steve@pearwood.info> - 2015-12-31 15:07 +1100
          Re: raise None Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2015-12-31 12:19 +0000
            Re: raise None Steven D'Aprano <steve@pearwood.info> - 2016-01-01 02:35 +1100
              Re: raise None Chris Angelico <rosuav@gmail.com> - 2016-01-01 02:53 +1100
              Re: raise None Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2015-12-31 16:46 +0000
                Re: raise None Steven D'Aprano <steve@pearwood.info> - 2016-01-01 04:50 +1100
              Re: raise None "Martin A. Brown" <martin@linux-ip.net> - 2015-12-31 09:30 -0800
              Re: raise None Ben Finney <ben+python@benfinney.id.au> - 2016-01-01 07:18 +1100
                Re: raise None Johannes Bauer <dfnsonfsduifb@gmx.de> - 2016-01-02 12:47 +0100
              Re: raise None Chris Angelico <rosuav@gmail.com> - 2016-01-01 09:48 +1100
                Re: raise None Steven D'Aprano <steve@pearwood.info> - 2016-01-04 16:19 +1100
                Re: raise None Dan Sommers <dan@tombstonezero.net> - 2016-01-04 06:09 +0000
                Re: raise None Rustom Mody <rustompmody@gmail.com> - 2016-01-03 22:39 -0800
              Re: raise None Ben Finney <ben+python@benfinney.id.au> - 2016-01-01 10:27 +1100
                Re: raise None Marko Rauhamaa <marko@pacujo.net> - 2016-01-01 02:29 +0200
                Re: raise None Steven D'Aprano <steve@pearwood.info> - 2016-01-04 16:19 +1100
                Re: raise None Rustom Mody <rustompmody@gmail.com> - 2016-01-03 21:53 -0800
                Re: raise None Rustom Mody <rustompmody@gmail.com> - 2016-01-04 03:55 -0800
                Re: raise None Rustom Mody <rustompmody@gmail.com> - 2016-01-03 21:53 -0800
              Re: raise None Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-12-31 23:36 +0000
              Re: raise None Chris Angelico <rosuav@gmail.com> - 2016-01-01 10:39 +1100
              Re: raise None Chris Angelico <rosuav@gmail.com> - 2016-01-01 10:41 +1100
              Re: raise None Rustom Mody <rustompmody@gmail.com> - 2016-01-03 19:04 -0800
                Re: raise None Chris Angelico <rosuav@gmail.com> - 2016-01-04 14:31 +1100
                Re: raise None Steven D'Aprano <steve@pearwood.info> - 2016-01-04 14:48 +1100
                Re: raise None Chris Angelico <rosuav@gmail.com> - 2016-01-04 14:56 +1100
                Re: raise None Rustom Mody <rustompmody@gmail.com> - 2016-01-03 20:46 -0800
              Re: raise None Christian Gollwitzer <auriocus@gmx.de> - 2016-01-04 08:28 +0100
      Re: raise None Chris Angelico <rosuav@gmail.com> - 2015-12-31 13:12 +1100
      Re: raise None Cameron Simpson <cs@zip.com.au> - 2015-12-31 15:03 +1100
        Re: raise None Steven D'Aprano <steve@pearwood.info> - 2015-12-31 16:12 +1100
          Re: raise None Cameron Simpson <cs@zip.com.au> - 2015-12-31 16:45 +1100
  Re: raise None Terry Reedy <tjreedy@udel.edu> - 2015-12-30 23:00 -0500
  Re: raise None Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-12-31 15:58 +0000
  Re: raise None Johannes Bauer <dfnsonfsduifb@gmx.de> - 2015-12-31 17:17 +0100

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