CentOS 6.5 脚本自动化装 Python2.6升级2.7

前提：CentOS 6.5现有的yum源，并且能通网脚本会自动安装Python2.7.8 、 pip 、 easy 、setuptools正文：代码内容#！/bin/bash
# a script to install python 2.7 on CentOS 6.x system.
# CentOS 6.x has python 2.6 by default, while some software （e.g. django1.7）
# need python 2.7.

# install some necessary tools & libs
echo "install some necessary tools & libs"
yum groupinstall "Development tools"
yum install openssl-devel zlib-devel ncurses-devel bzip2-devel readline-devel
yum install libtool-ltdl-devel sqlite-devel tk-devel tcl-devel
sleep 5

# download and install python
version="2.7.8"
python_url="https://www.python.org/ftp/python/$version/Python-${version}.tgz"

# check current python version
echo "before installation, your python version is: $（python -V &2>1）"
python -V 2>&1 | grep "$version"
if [ $？ -eq 0 ]; then
echo "current version is the same as this installation."
echo "Quit as no need to install."
exit 0
fi

echo "download/build/install your python"
cd /tmp
wget $python_url
tar -zxf Python-${version}.tgz
cd Python-${version}
./configure
make -j 4
make install
sleep 5

echo "check your installed python"
python -V 2>&1 | grep "$version"
if [ $？ -ne 0 ]; then
echo "python -V is not your installed version"
/usr/local/bin/python -V 2>&1 | grep "$version"
if [ $？ -ne 0 ]; then
echo "installation failed. use "/usr/local/bin/python -V" to have a check"
fi
exit 1
fi
sleep 5

# install setuptools
echo "install setuptools"
wget https://bitbucket.org/pypa/setuptools/raw/bootstrap/ez_setup.py
python ez_setup.py
# check easy_install version
easy_install --version
sleep 5

# install pip for the new python
echo "install pip for the new python"
easy_install pip
# check pip version
pip -V

echo "Finished. Well done！"
echo "If "python -V" still shows the old version, you may need to re-login."
echo "And/or set /usr/local/bin in the front of your PATH environment variable."
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