String Question

[Iain King]

diffuser78 at gmail.com wrote:
> mac_string = '001485e55503'  (This is the mac address of a computer.)
>
> I am using wake on LAN python script to start computer remote.It uses
> format like this ....
>
> s.sendto('\xff'*6 + '\x00\x014\x85\xe5\x55\x03'*16, ('192.168.1.255',
> 80))
>
> where '\x00\x14\x85\xe5\x55\x03' is the MAC address to be used.
>
>
> What I do is break the string into 6 parts like this,
>
> str01=mac_string[0:2]
> str02=mac_string[2:4]
> str03=mac_string[4:6]
> str04=mac_string[6:8]
> str05=mac_string[8:10]
> str06=mac_string[10:12]
>
> and if I use it like this
>
> s.sendto('\xff'*6 + '\xstr01\xstr02\xstr03\xstr04\xstr05\xstr06'*16,
> ('192.168.1.255', 80))
> I get an error
>
>
> I also tried like this
> s.sendto('\xff'*6 + 'mac_string'*16, ('192.168.1.255', 80))
>
> Thiis also didnt work.
>
>
> Since the MAC adddress are hexadecimal, how should I go about it here.
>
> Please help, every help is appreciated. Thanks

See http://docs.python.org/lib/typesseq-strings.html

You probably want:

s.sendto('\xff'*6 + ('\x%s\x%s\x%s\x%s\x%s\x%s' % (str01, str02, str03,
 sttr04, str05, str06))*16, ('192.168.1.255', 80))

Iain