Python Install Methods

Installing Python From Source

Debian

#!/usr/bin/env bash
set -e pipefail

version='3.9.6'

get() {
sudo apt install -y build-essential checkinstall
sudo apt install -y libreadline-gplv2-dev libncursesw5-dev libssl-dev \
  libsqlite3-dev tk-dev libgdbm-dev libc6-dev libbz2-dev libffi-dev zlib1g-dev

curl -LO https://www.python.org/ftp/python/3.9.6/Python-3.9.6.tgz
tar xzf Python-3.9.6.tgz
}

install() {
  cd Python-$version
  ./configure --prefix=/usr/local
  #./configure --prefix=/usr/local --enable-optimizations
  sudo make altinstall
}

get
install

Install Python 3.7 from source on Centos 7

#!/usr/bin/env bash
set -eo pipefail

version='3.7.7'
yum -y install gcc openssl-devel zlib-devel wget make
wget https://www.python.org/ftp/python/$version/Python-$version.tgz
tar xzf Python-$version.tgz
cd Python-$version
./configure --prefix=/usr/local
#./configure --prefix=/usr/local --enable-optimizations
make altinstall

Setup Virtual Environment for 3.7

python3.7 -m venv venv3.7
source venv3.7/bin/activate
pip install -U pip wheel  # if needed