Casts any object into a datetime.datetime object

    date
      any datetime, time string representation...

def date_cast(date):
    '''
    Casts any object into a datetime.datetime object

    date
      any datetime, time string representation...
    '''
    if date is None:
        return datetime.datetime.now()
    elif isinstance(date, datetime.datetime):
        return date

    # fuzzy date
    try:
        if isinstance(date, six.string_types):
            try:
                if HAS_TIMELIB:
                    # py3: yes, timelib.strtodatetime wants bytes, not str :/
                    return timelib.strtodatetime(
                        salt.utils.stringutils.to_bytes(date))
            except ValueError:
                pass

            # not parsed yet, obviously a timestamp?
            if date.isdigit():
                date = int(date)
            else:
                date = float(date)

        return datetime.datetime.fromtimestamp(date)
    except Exception:
        if HAS_TIMELIB:
            raise ValueError('Unable to parse {0}'.format(date))

        raise RuntimeError(
                'Unable to parse {0}. Consider installing timelib'.format(date))