billiejoex wrote:
> Hi all. I'm searching for a portable (working on *nix and win32) function
> that executes a system command and encapsulate its output into a string.
> Searching for the web I found this:
>
> os.popen('command').read()
>
> It is perfect but when che command return an error the funciotn returns an
> empy string.
> Does it is possible to return stdout and stderr too?
Use subprocess:
from subprocess import Popen, PIPE
proc = Popen(['command', 'arg', 'arg'], stdout=PIPE, stderr=PIPE)
return_code = proc.wait()
if return_code == 0:
print "Success:\n%s" % proc.stdout.read()
else:
print "Failure %s:\n%s" % (return_code, proc.stderr.read())
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