capture stdout and stderror from within a Windows Service?

Chris Rebert clp2 at
Thu May 14 18:08:08 CEST 2009

On Thu, May 14, 2009 at 8:57 AM, Chris Curvey <ccurvey at> wrote:
> I'm trying to get this invocation right, and it is escaping me.  How
> can I capture the stdout and stderr if I launch a subprocess using
> subprocess.check_call()?  The twist here is that the call is running
> from within a Windows service.
> I've tried:
> check_call("mycmd.exe", stdout=subprocess.PIPE)  [raises an exception
> "An integer is required"]
> check_call("mycmd.exe", stdout=file("c:\\temp\\foobar.txt", "w"))
> [raises an exception "An integer is required"]

Providing the full exception Tracebacks would be highly recommended.


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