Install latest Python on Centos

This script will download, compile and install a newer version of Python on CENTOS / RedHat 5.* in a way which respects the underlying Python 2.4 used by Yum etc.

Based on http://www.venkysblog.com/install-python264-modwsgi-and-django-on-cento and http://binarysushi.com/blog/2009/aug/19/CentOS-5-3-python-2-5-virtualevn-mod-wsgi-and-mod-rpaf/.

	# wget -O install_python.sh https://gist.github.com/raw/777001/install_python.sh
	# chmod +x install_python.sh
	# ./install_python.sh
	#!/bin/sh
	echo "******************************************"
	echo "Configure Centos box with a recent version"
	echo "of Python. "
	echo " - jgumbley 12/jan/11"
	echo "******************************************"
	echo " - Get source for Python"
	cd /usr/local/src
	wget http://www.python.org/ftp/python/2.7.1/Python-2.7.1.tgz
	tar xvfz Python-2.7.1.tgz
	echo " - Install compilers"
	yum -y install gcc gdbm-devel readline-devel ncurses-devel zlib-devel bzip2-develsqlite-devel db4-devel openssl-devel tk-devel bluez-libs-devel make
	echo " - Compile Python source"
	cd Python-2.7.1
	./configure --prefix=/opt/python2.7.1 --with-threads --enable-shared
	make
	make install
	echo " - Add shared libraries in"
	touch /etc/ld.so.conf.d/opt-python2.7.1.conf
	echo "/opt/python2.7.1/lib/" >> /etc/ld.so.conf.d/opt-python2.7.1.conf
	ldconfig
	echo " - Create SymLink to updated version"
	ln -sf /opt/python2.7.1/bin/python /usr/bin/python2.7
	echo " - Install SetupTools."
	cd /usr/local/src
	wget http://pypi.python.org/packages/2.7/s/setuptools/setuptools-0.6c11-py2.7.egg
	sh setuptools-0.6c11-py2.7.egg --prefix=/opt/python2.7.1
	echo " - Install pip."
	/opt/python2.7.1/bin/easy_install pip
	ln -sf /opt/python2.7.1/bin/pip /usr/bin/pip
	echo " - Install virtualenv."
	pip install virtualenv
	ln -sf /opt/python2.7.1/bin/virtualenv /usr/bin/virtualenv
	echo " - Pipe alias into .zshrc "
	echo "alias python=/opt/python2.7.1/bin/python" >> ~/.zshrc
	source ~/.zshrc
	# wget -O install_python.sh https://gist.github.com/raw/777001/install_python.sh
	# chmod +x install_python.sh
	# ./install_python.sh
	#!/bin/sh
	echo "******************************************"
	echo "Configure Centos box with apache and "
	echo "mod_wsgi for running flask apps "
	echo " - jgumbley 15/jan/11"
	echo "******************************************"
	echo " # install required apache pre-reqs "
	yum -y install httpd httpd-devel
	echo " # download mod_wsgi source "
	cd /usr/local/src/
	wget http://modwsgi.googlecode.com/files/mod_wsgi-3.3.tar.gz
	tar xvfz mod_wsgi-3.3.tar.gz
	echo " # compile mod_wsgi source "
	cd mod_wsgi-3.3
	./configure --with-python=/opt/python2.7.1/bin/python
	make
	make install
	echo " # pipe module into httpd config"
	echo "LoadModule wsgi_module /usr/lib64/httpd/modules/mod_wsgi.so" >> /etc/httpd/conf/httpd.conf
	service httpd restart

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