ex.py

epoch2stat = {
        key: val
        for key, val in iteritems(
        {
            k: tuple(imap(itemgetter(1), v))
            for k, v in groupby(
            imap(lambda l: (l[0], l[1]),
                 ifilter(None, imap(
                     lambda l: (lambda fst: (
                         lambda three: (int(three), l.rstrip()[l.rfind(':') + 2:])
                         if three is not None and three.isdigit() and int(three[0]) < 4 else None)(
                         l[fst - 3:fst] if fst > -1 else None))(l.rfind(']')), infile)
                         ))
            , itemgetter(0))
        })
        if val and len(val) == 2
    }