Python return (status, output) of executing cmd in a shell.

getstatusoutput.py

def getstatusoutput(cmd): 
    """Return (status, output) of executing cmd in a shell."""
    """This new implementation should work on all platforms."""
    import subprocess
    pipe = subprocess.Popen(cmd, shell=True, universal_newlines=True,
            stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
    output = str.join("", pipe.stdout.readlines()) 
    sts = pipe.wait()
    if sts is None:
        sts = 0
    return sts, output