[EMAIL PROTECTED] wrote: > Okay, here is what I want to do: > > I have a C Program that I have the source for and want to hook with > python into that. What I want to do is: run the C program as a > subprocess. > The C programm gets its "commands" from its stdin and sends its state > to stdout. Thus I have some kind of dialog over stdin. > > So, once I start the C Program from the shell, I immediately get its > output in my terminal. If I start it from a subprocess in python and > use python's sys.stdin/sys.stdout as the subprocess' stdout/stdin I > also get it immediately. > > BUT If I use PIPE for both (so I can .write() on the stdin and .read() > from the subprocess' stdout stream (better: file descriptor)) reading > from the subprocess stdout blocks forever. If I write something onto > the subprocess' stdin that causes it to somehow proceed, I can read > from its stdout. > > Thus a useful dialogue is not possible. > > Regards, > -Justin > > > Have you considered using pexpect: http://pexpect.sourceforge.net/ ?
George -- http://mail.python.org/mailman/listinfo/python-list