1. anatoly techtonik
  2. absub


absub /

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async_subprocess is a simple wrapper around Python's subprocess.Popen class. You use it just like you would use subprocess.Popen; there are only two major differences:

  • You can only pass None or PIPE as values for stdout, stdin, stderr.
  • communicate() returns immediately with whatever data is available, rather than waiting for EOF and process termination. As such, you can now call communicate() many times on the same object.

async_subprocess is beta software, so it might still be a bit buggy. It has been tested on the following configurations:

  • Linux (Fedora 15), Python 2.7.1
  • Linux (Fedora 15), Python 3.2
  • Windows Vista 32, Python 2.7.3

Example usage:

from async_subprocess import AsyncPopen, PIPE args = ("echo", "Hello World!") proc = AsyncPopen(args, stdout=PIPE) stdoutdata, stderrdata = proc.communicate() print stdoutdata # should print "Hello World!"

What's New

Version 0.2.3 * (techtonik) Fixed wrong lock being set in communicate() for stdout pipe. * (techtonik) Added tests.

Version 0.2 * Got rid of the stray debug print statement that was accidentally left in

version 0.1. Sorry about that, it's gone now, and 0.2 has been checked for other stray debug statements.
  • Support for Python 3 added.