python_config

install_python_from_source.sh

#!/usr/bin/env bash
# referencing: https://www.moerats.com/archives/507/
set -e

# Usage: pipe to `sh` on the fly, or download and use
# curl -L https://tinyurl.com/mk-inst-py | PYTHON_VERSION=<2.7.15 or 3.6.5> [SILENT_SUDO=1] sh
# wget https://tinyurl.com/mk-inst-py && PYTHON_VERSION=3.6.5 sh ./install_python_from_source.sh

if ! [[ "$PYTHON_VERSION" =~ ^(2.7.15|3.6.5)$ ]]; then # required environ var
    echo "Usage: PYTHON_VERSION=<2.7.15 or 3.6.5> [SILENT_SUDO=1] sh $BASH_SOURCE"
    exit 1
fi

[[ $SILENT_SUDO == 1 ]] && SUDO='sudo -n' || SUDO='sudo'

PYTHON_ROOT=$HOME/local/Python-$PYTHON_VERSION
if [ -d $PYTHON_ROOT ]; then
    echo "PYTHON_ROOT already exists: $PYTHON_ROOT"
    exit 0
fi

export LANG=en_US.UTF-8
export LANGUAGE=en_US.UTF-8

OS_DISTRIBUTION=$(python -m platform)
cat <<'EOF'
******************** CAUTION: when prompted for SUDO-password, you can take either of the following actions:
1. Enter your password
2. Hit CTRL-C to SKIP yum/apt-get steps and CONTINUE the installation
EOF
if [[ "$OS_DISTRIBUTION" == *centos* ]]; then
    if $SUDO yum -y update; then
        $SUDO yum groupinstall -y "Development tools"
        $SUDO yum install -y nano make screen gcc ncurses-libs zlib-devel mysql-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel openssl-devel
    else
        echo '^^^^^^^^^^^^^^^^^^^^ [SKIP] Skipped yum operation as non-root'
    fi
elif [[ "$OS_DISTRIBUTION" == *Ubuntu* ]]; then
    if $SUDO apt-get update -y; then
        $SUDO apt-get install -y make gcc libncurses5-dev libncursesw5-dev bzip2 libreadline6-dev libdb5.3-dev libgdbm-dev libsqlite3-dev libssl-dev libbz2-dev libexpat1-dev liblzma-dev zlib1g-dev ca-certificates
    else
        echo '^^^^^^^^^^^^^^^^^^^^ [SKIP] Skipped apt operation as non-root or sudo'
    fi
else
    echo '^^^^^^^^^^^^^^^^^^^^ [FATAL] Only CentOS/Ubuntu OS supported now'
    exit 1
fi

if [ ! -d "Python-$PYTHON_VERSION" ]; then
    #curl https://www.moerats.com/usr/shell/Python3/Python-3.6.4.tar.gz | tar xzfv -
#    curl https://www.python.org/ftp/python/$PYTHON_VERSION/Python-$PYTHON_VERSION.tgz | tar xzfv -
    curl ftp://jp01-ime-odp00.jp01.baidu.com/home/work/tools/Python-$PYTHON_VERSION.tgz | tar xzfv -
fi

cd Python-$PYTHON_VERSION
mkdir -p $PYTHON_ROOT
./configure --prefix=$PYTHON_ROOT
make && make install

if [[ $PYTHON_VERSION="3.6.5" ]]; then
    ln -s $PYTHON_ROOT/bin/python3 $PYTHON_ROOT/bin/python
    echo "[INFO] symlink created: $(ls -lh $PYTHON_ROOT/bin/python)"
fi

echo "******************** [SUCC] PYTHON installed at: $PYTHON_ROOT"