Author The Compiler
Recipients The Compiler, astrand, eryksun, paul.moore, steve.dower, tim.golden, zach.ware
Date 2015-06-24.04:14:47
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Message-id <1435119287.97.0.114509637529.issue24493@psf.upfronthosting.co.za>
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Sorry I missed this - I can reproduce this on Windows 8.1, but not on Windows 7. I hope I'll be able to try another Windows 8.1 machine today.

SYSTEMROOT is definitely set in the original environment:

    >>> os.environ['SYSTEMROOT']
    'C:\\Windows'
    >>> subprocess.call('{} /c set SYSTEMROOT'.format(cmd32), env=os.environ)
    Environment variable SYSTEMROOT not defined
    1
    >>> subprocess.call('{} /c set SYSTEMROOT'.format(cmd32))
    SystemRoot=C:\Windows
    0

It seems only a minimal set of environment variables are set in the spawned process:

    >>> subprocess.call('{} /c set'.format(cmd32), env=os.environ)
    COMSPEC=C:\Windows\SysWOW64\cmd.exe
    PATHEXT=.COM;.EXE;.BAT;.CMD;.VBS;.JS;.WS;.MSC
    PROMPT=$P$G
History
Date User Action Args
2015-06-24 04:14:48The Compilersetrecipients: + The Compiler, paul.moore, astrand, tim.golden, zach.ware, eryksun, steve.dower
2015-06-24 04:14:47The Compilersetmessageid: <1435119287.97.0.114509637529.issue24493@psf.upfronthosting.co.za>
2015-06-24 04:14:47The Compilerlinkissue24493 messages
2015-06-24 04:14:47The Compilercreate