#!/usr/bin/env bash

PYTHON=`command -v python`

usage()

{

printf "

Usage:

${0} [options]

options:

--python : Python interpreter.

"

}

parse_arguments()

{

for arg do

val=`echo "$arg" | sed -e "s;--[^=]*=;;"`

case "$arg" in

--python=*) PYTHON="$val" ;;

--help) usage ;;

*) echo "Can't find the option. :$arg";;

esac

done

}

parse_arguments $@

if [[ ! -x $PYTHON ]] ; then

echo "I think $PYTHON is not Python interpreter."

exit

fi

PYTHON_VERSION=`$PYTHON -V 2>&1`

PYTHON_VERSION=${PYTHON_VERSION/"Python "/""}

PYTHON_VERSION_S=`echo $PYTHON_VERSION | sed -e "s/\(^[[:digit:]]\{1,\}.[[:digit:]]\{1,\}\).*/\1/"`

if [[ $PYTHON_VERSION_S != "2.4" ]] && [[ $PYTHON_VERSION_S != "2.5" ]] && [[ $PYTHON_VERSION_S != "2.6" ]] ; then

printf "Python's version is $PYTHON_VERSION_S:

2.4 <= python < 3.0 is required.

"

exit

fi

ROOT="$HOME/.pythonbrew"

if [[ -n $PYTHONBREW_ROOT ]] ; then

ROOT=$PYTHONBREW_ROOT

fi

PATH_DISTS="$ROOT/dists"

PATH_ETC="$ROOT/etc"

mkdir -p $PATH_DISTS

rm -rf $PATH_DISTS/pythonbrew.tar.gz

rm -rf $PATH_DISTS/utahta-pythonbrew*

TEMP_TARBALL="pythonbrew.tar.gz"

DOWNLOAD_URL="http://github.com/utahta/pythonbrew/tarball/master"

echo "Downloading $DOWNLOAD_URL"

builtin cd $PATH_DISTS ; curl -L $DOWNLOAD_URL -o "$TEMP_TARBALL" > /dev/null 2>&1

echo "Extracting $PATH_DISTS/$TEMP_TARBALL"

builtin cd $PATH_DISTS ; tar zxf $TEMP_TARBALL

TEMP_FILE=`ls $PATH_DISTS | grep utahta-pythonbrew`

echo "Installing pythonbrew into $ROOT"

$PYTHON $PATH_DISTS/$TEMP_FILE/pythonbrew_install.py

if [[ $? == 1 ]] ; then

echo "Failed to install pythonbrew."

exit

fi

case $SHELL in

*tcsh)

shrc="cshrc"

yourshrc="tcshrc"

;;

*csh)

shrc="cshrc"

yourshrc=$shrc

;;

*)

shrc="bashrc"

yourshrc=$shrc

;;

esac

printf "

The pythonbrew is installed as:

$ROOT/bin/pythonbrew

You may trash the downloaded $0 from now on.

Pythonbrew environment initiated, required directories are created under

$ROOT

Well-done! Congratulations! Please add the following line to the end

of your ~/.$yourshrc

source $PATH_ETC/$shrc

After that, exit this shell, start a new one, and install some fresh

pythons:

pythonbrew install 2.6.6

pythonbrew install 2.5.5

For further instructions, run:

pythonbrew help

The default help messages will popup and tell you what to do!

Enjoy pythonbrew at $ROOT!!

"