Raising exception on STDIN read

[Grant Edwards]

On 2008-02-27, Michael Goerz <newsgroup898sfie at 8439.e4ward.com> wrote:
> Hi,
>
> I would like to raise an exception any time a subprocess tries to read 
> from STDIN:
>
> latexprocess = subprocess.Popen( \
>          'pdflatex' + " " \
>           + 'test' + " 2>&1", \
>          shell=True, \
>          cwd=os.getcwd(), \
>          env=os.environ, \
>          stdin=StdinCatcher() # any ideas here?
>      )
>
> An exception should be raised whenever the pdflatex process
> reads from STDIN... and I have no idea how to do it. Any suggestions?

If I were you, I'd just run LaTeX in batch mode.  That's what I
always used to do when automating the running of LaTeX using a
shell script or makefile.  IIRC, you do something like this:

  ret = os.system("latex \\batchmode\\input %s" % filename)

The return status will be zero for success and non-zero if
there were any errors.

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