get-python-pip-venv.sh

get-python-pip-venv.sh

#!/usr/bin/env bash

export LANGUAGE="en_US.UTF-8"
export LC_ALL="en_US.UTF-8"
export LC_CTYPE="UTF-8"
export LANG="en_US.UTF-8"

##### Var
PIP='pip'

##### Functions
shout(){
  echo "***************************************************"
  echo $1
  echo "***************************************************"
}

major_version(){
  export OS_VERSION=`cat $RELEASE_FILE | sed 's/[^0-9.]*//g'`
  export OS_VERSION_MAJOR=`echo $OS_VERSION | awk -F'.' '{print $1}'`
}

# install EPEL repo for CentOS systems
get_epel_repo(){
  shout "enabling EPEL repo"
  major_version
  EPEL_URI='http://epel.mirror.net.in/epel'
  if [ $OS_VERSION_MAJOR -eq 6 ]; then
    EPEL_URI=$EPEL_URI"/6/i386/epel-release-6-8.noarch.rpm"
  elif [ $OS_VERSION_MAJOR -eq 5 ]; then
    EPEL_URI=$EPEL_URI"/5/i386/epel-release-5-4.noarch.rpm"
  else
    shout "This version isn't supported."
    exit_now 1
  fi

  EPEL_RPM='/tmp/epel-6.8.rpm'
  curl -L -o $EPEL_RPM $EPEL_URI
  rpm -ivh $EPEL_RPM && yum repolist
}

# for distros: RedHat, CentOS, Fedora
install_pre_requisite_redhat(){
  export RELEASE_FILE='/etc/redhat-release'
  get_epel_repo
  yum -y install python-pip
  export PIP='python-pip'
}

# for distros: Debian, Ubuntu
install_pre_requisite_debian(){
  export RELEASE_FILE='/etc/debian_version'
  apt-get -y install python-pip
}

# for distros: Gentoo
install_pre_requisite_gentoo(){
  export RELEASE_FILE='/etc/gentoo-release'
  emerge dev-python/pip
}

# for distros: ArchLinux
install_pre_requisite_archlinux(){
  export RELEASE_FILE='/etc/arch-release'
  pacman -Sc --noconfirm
  pacman -Sy --noconfirm python-pip
}

install_pre_requisite(){
  if [ -f /etc/redhat-release ]; then
    install_pre_requisite_redhat

  elif [ -f /etc/debian_version ]; then
    install_pre_requisite_debian

  elif [ -f /etc/gentoo-release ]; then
    install_pre_requisite_gentoo

  elif [ -f /etc/arch-release ]; then
    install_pre_requisite_archlinux

  elif [ `which curl > /dev/null 2>&1 ; echo $?` -ne 0 ]; then
    curl -LkO https://raw.github.com/pypa/pip/master/contrib/get-pip.py
    python get-pip.py

  elif [ `which easy_install > /dev/null 2>&1 ; echo $?` -ne 0 ]; then
    easy_install pip

  else
    echo 'Un-Managed Distro.'
    exit_now 1

  fi
}

##### PREPARATION

install_pre_requisite

`$PIP install virtualenv`