create_guid in SugarCRM

def create_guid():
    microTime = microtime()
    a_dec, a_sec = microTime.split(' ')

    dec_hex = '%x' % float(a_dec) * 1000000
    sec_hex = '%x' % int(a_sec)

    dec_hex = ensure_length(dec_hex, 5)
    sec_hex = ensure_length(sec_hex, 6)

    guid = ''
    guid += dec_hex
    guid += create_guid_section(3)
    guid += '-'
    guid += create_guid_section(4)
    guid += '-'
    guid += create_guid_section(4)
    guid += '-'
    guid += create_guid_section(4)
    guid += '-'
    guid += sec_hex
    guid += create_guid_section(6)
    return guid


def microtime(get_as_float = False) :
    if get_as_float:
        return time.time()
    else:
        return '%f %d' % math.modf(time.time())


def ensure_length(string, length):
    strlen = len(string)
    if strlen < length:
        string = string.ljust(length, '0')
    else:
        string = string[:length]
    return string


def create_guid_section(characters):
    return ''.join(['%x' % random.randint(0, 15) for el in range(characters)])