2008/1/7, Gerardo Herzig <[EMAIL PROTECTED]>:
> Hi all. Im trying to read a binary data from an postgres WAL archive.
> If i make a
> xfile = open('filename', 'rb').xreadlines()
> line = xfile.next()
>
> i see this sort of thing:
> ']\xd0\x03\x00\x01\x00\x00\x00\r\x00\x00\x00\x00\x00\x00JM//DI+,D\x00\x00\x00\x01$\x00\x00\x00\x7f\x06\x00\x00y\r\t\x00\x02\x0f\t\x00\x00\x00\x10\x00)\x00\x01\x00\x12\x08
> \x00^\xc2\x0c\x00\x08\x00\x00\x003001([EMAIL PROTECTED]'
>
> This file suppose to have some information about database activity, but
> at this point i cant do more than this, because i cant figure out what
> to do in order to have some 'readable' text.
>
> Im guessing is some C code, im reading the struct module to see if it
> helps, but im not into C programming, and im lost at the start of my
> problem.You are looking at the correct module, struct. But in order to understand or even correctly extract data from a binary file, you need to know its structure. There should be some document describing the Postgre WAL file format. > > Can someone point me out some advice? > Thanks! > > Gerardo > -- > http://mail.python.org/mailman/listinfo/python-list > -- -- Guilherme H. Polo Goncalves -- http://mail.python.org/mailman/listinfo/python-list
