cgi integration question 2

Mon Oct 21 20:31:56 EDT 2002

"Gerhard Häring" <gerhard.haering at gmx.de> wrote in message
news:mailman.1035154105.10088.python-list at python.org...
> * Ken <ken at hotmail.com> [2002-10-21 08:02 +1000]:
> > Hi, there isn't such module call cgitb
> > Traceback (most recent call last):
> >   File "chessboard.cgi", line 7, in ?
> >     import os, cgi, cgitb
> > ImportError: No module named cgitb
>
> cgitb is available in Python 2.2 and later.
>
> > The python code is here:
> > http://www.ug.cs.usyd.edu.au/~keho/comp3204/chessboard.txt and
> > http://www.ug.cs.usyd.edu.au/~keho/comp3204/chessboard.cgi
> >
> > The C++ test code is here:
> > http://www.ug.cs.usyd.edu.au/~keho/comp3204/test02.cc
>
> Works fine for me if I install it all locally. It prints this:
>
> lines: ['12\n', '13\n', '33\n', '31\n', '32\n', '22\n', '21\n', '23\n',
'11\n']
> Content-type: text/html results: ['12\n', '13\n', '33\n', '31\n', '32\n',
'22\n', '21\n', '23\n', '11\
> n']
>                                +-----------------+
>                                |  2  |  8  |  3  |
>                              3 |-----+-----+-----|
>                              2 |  1  |  6  |  5  |
>                              1 |-----+-----+-----|
>                                |  9  |  7  |  4  |
>                                +-----------------+
>                                  A     B     C
>
> You might want to fix the print statements so you get something like:
>
>     Content-type: text/html
>
>     <html>
>     [...]
>
> Note the empty line between the HTTP headers (here only one line, the
> Content-type line) and the HTTP body.
>
> > What did I do wrong to constantly get that broken pipe error?
> > Traceback (most recent call last): File
> > "/usr/cs3/keho/lib/html/comp3204/chessboard.cgi", line 143, in ?
> > outf.close() IOError: [Errno 32] Broken pipe
>
> Most probably a permission problem of some sort. I'd copy the C++
> executable in the same directory as the Python script, but still use the
> full path in os.popen2 or use "./knight" as a relative path. Also check
> the permissions are ok (i. e. the user that runs the cgi scripts can
> execute the C++ executable).
>
> -- Gerhard
>

Hi, how do I implement wait() or poll() into popen? Mind give me an example
and expected output other than "-1"?

Thanks