pip3 installs inside virtual environment with python3.6 failing due to ssl module not available

Question

(py36venv) vagrant@pvagrant-dev-vm:/vagrant/venvs$ pip3 install pep8

pip is configured with locations that require TLS/SSL, h

Answer 1

A complete script can be found HERE

Install Prerequisites

For RHEL/CentOS

sudo yum -y install gcc gcc-c++ zlib zlib-devel libffi-devel openssl-devel wget

For Ubuntu/Debian

sudo apt-get -y install build-essential python-dev python-setuptools python-pip python-smbus libncursesw5-dev libgdbm-dev libc6-dev zlib1g-dev libsqlite3-dev tk-dev libssl-dev openssl libffi-dev wget

Download Python

Modify for the version of python you want

Python Versions

cd /var/tmp sudo wget https://www.python.org/ftp/python/3.x.x/Python-x.x.x.tgz sudo tar xf Python-3.*.tgz cd Python-3*

Configure/Make/Install

sudo ./configure --enable-optimizations --enable-shared --prefix=/usr/local sudo make && make altinstall

Cleanup Shared Library & Add to Path

Stripping the shared library of debugging symbols can speed up execution when running parallel scripts.

sudo make && make altinstall sudo strip /usr/local/lib/libpython3.7m.so.1.0 sudo echo 'export LD_LIBRARY_PATH=${LD_LIBRARY_PATH}:/usr/local/lib' >> /etc/profile.d/python.sh sudo echo 'export PATH=${PATH}:~/usr/local/bin/' >> /etc/profile.d/python.sh sudo echo '/usr/local/lib' >> /etc/ld.so.conf sudo ldconfig

Reference

• Gist
• Stack Overflow
• Stack Overflow
• Daniel Erikson
• Unix StackExchange
• TLDP