environment/lib/python2.7/site-packages/IPython/utils/_process_common.py
def getoutput(cmd):
    """Return standard output of executing cmd in a shell.

    Accepts the same arguments as os.system().

    Parameters
    ----------
    cmd : str
      A command to be executed in the system shell.

    Returns
    -------
    stdout : str
    """

    out = process_handler(cmd, lambda p: p.communicate()[0], subprocess.STDOUT)
    if out is None:
        return ''
    return py3compat.bytes_to_str(out)
def getoutput(cmd):
    """Return standard output of executing cmd in a shell.

    Accepts the same arguments as os.system().

    Parameters
    ----------
    cmd : str
      A command to be executed in the system shell.

    Returns
    -------
    stdout : str
    """

    out = process_handler(cmd, lambda p: p.communicate()[0], subprocess.STDOUT)
    if out is None:
        return ''
    return py3compat.bytes_to_str(out)
Return standard output of executing cmd in a shell.

    Accepts the same arguments as os.system().

    Parameters
    ----------
    cmd : str
      A command to be executed in the system shell.

    Returns
    -------
    stdout : str