A non-blocking read on a subprocess.PIPE in Python

Question

I\'m using the subprocess module to start a subprocess and connect to its output stream (standard output). I want to be able to execute non-blocking reads on its standard ou

Answer 1

The select module helps you determine where the next useful input is.

However, you're almost always happier with separate threads. One does a blocking read the stdin, another does wherever it is you don't want blocked.