'Space is returned in a string like ...
7.38197504E8 Bytes
Need to split that apart and convert to GB.
:returns: gbs in int form'

def _bytes_to_gb(self, spacestring):

    try:
        n = spacestring.split('    ', 1)
        fgbs = (float(n[0]) / 1073741824.0)
        igbs = int(fgbs)
        return igbs
    except Exception:
        return None
