Installation ============ Pexpect is on PyPI, and can be installed with standard tools:: pip install pexpect Or:: easy_install pexpect Requirements ------------ This version of Pexpect requires Python 3.3 or above, or Python 2.7. As of version 4.0, Pexpect can be used on Windows and POSIX systems. However, :class:`pexpect.spawn` and :func:`pexpect.run` are only available on POSIX, where the :mod:`pty` module is present in the standard library. See :ref:`windows` for more information.