How to install latest pexpect for RHEL7 manually for use in Ansible

pexpect_for_RHEL7.txt

How to install pexpect on RHEL7 for Ansible purposes

1. Download the sources for pexpect-4.4.0 and ptyprocess-0.5.2
here:
https://pypi.python.org/pypi/pexpect
https://pypi.python.org/pypi/ptyprocess

2. Extract the tarballs
3. Goto dir for ptyprocess and type:

python setup.py install

4. Goto dir for pexpect and type:

python setup.py install

You may get this error:

/usr/lib64/python2.7/distutils/dist.py:267: UserWarning: Unknown distribution option: 'install_requires'
  warnings.warn(msg)
running install
running build
running build_py
running install_lib
byte-compiling /usr/lib/python2.7/site-packages/pexpect/_async.py to _async.pyc
  File "/usr/lib/python2.7/site-packages/pexpect/_async.py", line 18
    transport, pw = yield from asyncio.get_event_loop()\
                             ^
SyntaxError: invalid syntax

running install_egg_info
Removing /usr/lib/python2.7/site-packages/pexpect-4.4.0-py2.7.egg-info
Writing /usr/lib/python2.7/site-packages/pexpect-4.4.0-py2.7.egg-info

This error relates to Python3 and can be ignored.

5. Start python and import pexpect. You should just get prompt back. 

OR use

python -c "import pexpect"
echo $?

will return 0 without any errors.


NOTE:
The above is for root. If you want to use for local user then append the above python install commands with --user 
and install the packages as the user and not root.