install python 3.9

install-python-3.9

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

VERSION=3.9.5
NAME=Python-${VERSION}
TGZ_FILE=${NAME}.tgz

sudo apt update

sudo apt -y install \
    build-essential \
    curl \
    libbz2-dev \
    libffi-dev \
    liblzma-dev \
    libncurses5-dev \
    libncursesw5-dev \
    libreadline-dev \
    libsqlite3-dev \
    libssl-dev \
    llvm \
    tk-dev \
    wget \
    xz-utils \
    zlib1g-dev \

if [ ! -f "$TGZ_FILE" ]; then
    wget https://www.python.org/ftp/python/${VERSION}/${TGZ_FILE}
    tar -xf Python-3.9.5.tgz
fi

cd ${NAME}
./configure --enable-optimizations #--enable-shared

# altinstal -- don't clobber system python
sudo make altinstall


# for python mysqlclient, required for vault
sudo apt-get install python3-dev default-libmysqlclient-dev build-essential