Thanks everyone for your replies. This reason for the long string is sometimes I have to pass a 32 byte key (MD5 hash value) to the socket. The data I am sending is the hex values i.e. 41=A. I believe the binascii will work.
Mike On Mon, May 4, 2009 at 7:52 PM, Alan Gauld <alan.ga...@btinternet.com>wrote: > > "Tom Green" <xchime...@gmail.com> wrote > > Here is my question. I work with a lot of sockets and most of them >> require >> hex data. I am usually given a string of data to send to the socket. >> Example: >> >> "414243440d0a" >> >> Is there a way in Python to say this is a string of HEX characters like >> Perl's pack? Right now I have to take the string and add a \x to every >> two >> values i.e. \x41\x42... >> > > Assuming you actually want to send the hex values rather than > a hex string representation then the way I'd send that would be > to convert that to a number using int() then transmit it using > struct() > > Sometimes my string values are 99+ bytes in length. I did write a parsing >> program that would basically loop thru the string and insert the \x, but I >> was wondering if there was another or better way. >> > > OK, Maybe you do want to send the hex representation rather than > the actual data (I can't think why unless you have a very strange > parser at the other end). In that case I think you do need to insert > the \x characters. > > > -- > Alan Gauld > Author of the Learn to Program web site > http://www.alan-g.me.uk/ > > _______________________________________________ > Tutor maillist - Tutor@python.org > http://mail.python.org/mailman/listinfo/tutor >
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