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Re: spawnl issues with Win 7 access rights

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Date Fri, 28 Oct 2011 09:22:00 +0100
From Tim Golden <mail@timgolden.me.uk>
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Subject Re: spawnl issues with Win 7 access rights
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On 27/10/2011 20:53, Terry Reedy wrote:
> On 10/27/2011 6:36 AM, Tim Golden wrote:
>> On 27/10/2011 11:27, Propad wrote:
>>> the suggestion to add the optional second parameter fixed the problem,
>>> spawnl now works on the Win 7 computer I'm responsible for (with
>>> Python 2.2). So the suggested cause seems to be right.
>>
>> FWIW, although it's not obvious, the args parameter to spawnl
>> is intended to become the sys.args (in Python terms) of the
>> newly-spawned process. Which is why the first element is expected
>> to be the name of the process. It took me some time to realise
>> this myself :)
>>
>> Anyway, glad we could be of help.
>
> Can we make this fix automatic for Win7 to fix #8036?
>

It's tempting, but I think not. In principle, the caller can
pass any value as the first arg of spawn: it'll simply end up
as sys.argv[0] in Python terms. If spawnl were the way of the
future, I'd be inclined to argue for the change. As it it, though,
I'd simply apply the patch and, possibly, add a line to the docs
indicating that the args must be non-empty.

(I started to import the patch yesterday but something got in the
way; I'll see if I can get it done today).

TJG

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Thread

spawnl issues with Win 7 access rights Propad <npropadovic@googlemail.com> - 2011-10-24 05:43 -0700
  Re: spawnl issues with Win 7 access rights Tim Golden <mail@timgolden.me.uk> - 2011-10-24 14:18 +0100
    Re: spawnl issues with Win 7 access rights Propad <npropadovic@googlemail.com> - 2011-10-24 06:47 -0700
      Re: spawnl issues with Win 7 access rights Terry Reedy <tjreedy@udel.edu> - 2011-10-24 18:16 -0400
  Re: spawnl issues with Win 7 access rights Tim Golden <mail@timgolden.me.uk> - 2011-10-24 15:18 +0100
  Re: spawnl issues with Win 7 access rights Terry Reedy <tjreedy@udel.edu> - 2011-10-24 18:14 -0400
  Re: spawnl issues with Win 7 access rights Miki Tebeka <miki.tebeka@gmail.com> - 2011-10-24 17:21 -0700
    Re: spawnl issues with Win 7 access rights Propad <npropadovic@googlemail.com> - 2011-10-25 00:01 -0700
      Re: spawnl issues with Win 7 access rights Tim Golden <mail@timgolden.me.uk> - 2011-10-25 13:19 +0100
      Re: spawnl issues with Win 7 access rights Terry Reedy <tjreedy@udel.edu> - 2011-10-25 21:11 -0400
      Re: spawnl issues with Win 7 access rights Tim Golden <mail@timgolden.me.uk> - 2011-10-26 15:38 +0100
      Re: spawnl issues with Win 7 access rights Terry Reedy <tjreedy@udel.edu> - 2011-10-26 15:20 -0400
        Re: spawnl issues with Win 7 access rights Propad <npropadovic@googlemail.com> - 2011-10-27 03:27 -0700
          Re: spawnl issues with Win 7 access rights Tim Golden <mail@timgolden.me.uk> - 2011-10-27 11:36 +0100
          Re: spawnl issues with Win 7 access rights Terry Reedy <tjreedy@udel.edu> - 2011-10-27 15:53 -0400
          Re: spawnl issues with Win 7 access rights Tim Golden <mail@timgolden.me.uk> - 2011-10-28 09:22 +0100

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