# 创建下载目录
mkdir $HOME/tools
# 切换到tools统一管理源码目录
cd $HOME/tools
wget https://www.python.org/ftp/python/3.6.4/Python-3.6.4.tgz

tar -xf Python-3.6.4.tgz

cd $HOME/tools/Python-3.6.4

./configure --enable-optimizations --prefix=/application/python-3.6.4
# --enable-optimizations 稳定性优化参数
# --prefix 指定安装路径
# 编译和安装
make && make install

ln -s /application/python-3.6.4 /application/python

echo 'export PATH="/application/python/bin:$PATH"' >> /etc/profile
# 注意多个软件加入环境变量中间以 : 隔开

. /etc/profile
python3
# linux系统中默认为python命令为启动python2解释器，python3启动对应的python3.x版本解释器
# 至此，python环境安装完成

pip3
# 查看已经安装的第三方库
pip3 list
# pip3 install django           python3安装Django程序，可以通过 == 指定软件包版本
# pip3 和 pip 本质是一样的，只是这个pip3指定给安装的python3版本安装软件包

pip3 install django -i http://mirrors.aliyun.com/pypi/simple --trusted-host mirrors.aliyun.com# 不知看官们是否发现一个问题，就是每次安装软件包时候都要 -i 敲大量的重复参数，累不？
# 不累不累 ^_^

mkdir $HOME/.pip -P

echo -e "[global]\ntrusted-host=mirrors.aliyun.com\nindex-url=http://mirrors.aliyun.com/pypi/simple/" > $HOME/.pip/pip.conf

[global]
trusted-host=mirrors.aliyun.com
index-url=https://mirrors.aliyun.com/pypi/simple/

pip3 install virtualenvwrapper

mkdir $HOME/.pyenv

cat >>$HOME/.bashrc<<beimenchuixue
# 使用Distribute和pip方式替代以前setuptools和easy_install
export VIRTUALENV_USE_DISTRIBUTE=1
# 指定虚拟环境路径
export WORKON_HOME=$HOME/.pyenv
# 指定python虚拟根基
export VIRTUALENVWRAPPER_PYTHON=/application/python/bin/python3
# 指定 vituralenvwrapper虚拟 shell环境
if [ -e /application/python/bin/virtualenvwrapper.sh ];then
source /application/python/bin/virtualenvwrapper.shfi
# 虚拟环境pip安装根基
export PIP_VIRTUALENV_BASE=$WORKON_HOME
# pip是否遵守虚拟环境
export PIP_RESPECT_VIRTUALENV=true
<<beimenchuixue

. $HOME/.bashrc

virtualenvwrapper –help
# 如果出现帮助信息，至此centos上虚拟环境安装完成

sed -i "9i # only want to easy use and read\n\
# you also can set what you like\n\
alias mkenv='mkvirtualenv'\n\
alias rmenv='rmvirtualenv'\n\
alias outenv='deactivate'" $HOME/.bashrc# 这些配置谁执行谁生效，对应当前登录用户

. $HOME/.bashrc

mkenv test            # 创建虚拟环境test，并直接进入outenv                  # 退出虚拟环境workon                 # 检查rmenv test            # 删除test虚拟环境workon                 # 检查

#!/bin/sh
# author: beimenchuixue
# email: 422083556@qq.com
# blog: http://www.cnblogs.com/2bjiujiu/downloadPath="$HOME/tools"
installPath="/application"
pyBinPath="python/bin"
pyVersion="3.6.4"
pyPkgName="Python-${pyVersion}"
pyDownloadUrl="https://www.python.org/ftp/python/${pyVersion}/${pyPkgName}.tgz"
pyRelayPkg="zlib-devel gcc gcc-c++ openssl-devel sqlite-devel wget"
pyVirtualPkg="virtualenvwrapper"globalPath="/etc/profile"
vitrualEnvPath="$HOME/.pyenv"
userBashConf="$HOME/.bashrc". /etc/init.d/functionsfunction sureOK {[ $1 -eq 0 ] && {action "$2 is" /bin/true} || {action "$2 is" /bin/falseexit $1}
}[ -d $downloadPath ] || {mkdir -p $downloadPathsureOK $? "init downloadPath"
}function pyRelayPkgInstall {echo "yum install python ...ing"yum install $pyRelayPkg &> /dev/nullsureOK $? "pyRelayPkgInstall"
}
#pass pyRelayPkgInstall function downloadPyPkg {cd $downloadPathecho "dowbload python ...ing"wget -q $pyDownloadUrlsureOK $? "downloadPyPkg"
}
#pass downloadPyPkgfunction untarPyPkg {cd $downloadPathtar -xf ${pyPkgName}.tgzsureOK $? "untarPyPkg"
}
#pass untarPyPkgfunction pyConfigure {cd $downloadPath/$pyPkgName./configure --enable-optimizations --prefix=$installPath/$pyPkgName --with-ssl &> /dev/nullsureOK $? "pyConfigure"
}
#pass pyConfigurefunction pyMakeAndMakeInstall {cd $downloadPath/$pyPkgNameecho "make python ...ing, please wait ..ing"make &> /dev/nullsureOK $? "pyMake"echo "make install python ...ing, please wait ..ing"make install &> /dev/nullsureOK $? "pyMakeInstall"
}
#pass pyMakeAndMakeInstallfunction pySoftLink {ln -s $installPath/$pyPkgName $installPath/pythonsureOK $? "pySoftLink"
}
#pass pySoftLinkfunction pyGlobalEnv {exportLineNum=`sed -n '/export PATH=/=' $globalPath`[ -z "$exportLineNum" ] && {echo "export PATH=\"$installPath/$pyBinPath:\$PATH\"" >> $globalPathsureOK $? "pyGlobalEnv"} || {middlePath= $(echo `sed -n '/export PATH=/p' $globalPath`| awk -F '[ "]' -v v=$installPath/$pyBinPath  '{print $1,$2"\""$2$3":"v"\""}')echo $middlePathsed -i "#exportLineNum s/.*/$middlePath/g" $globalPathsureOK $? "pyGlobalEnv"}
}
#pass pyGlobalEnvfunction AliyunPipConf {[ -d $HOME/.pip ] || {mkdir $HOME/.pip -psureOK $? "init .pip dir"}cd $HOME/.pipecho -e "[global]\ntrusted-host=mirrors.aliyun.com\nindex-url=http://mirrors.aliyun.com/pypi/simple/" > pip.confsureOK $? "AliyunPipConf"
}
#pass AliyunPipConffunction pyVitrualenvInstall {. $globalPathpip3 install $pyVirtualPkg &> /dev/nullsureOK $? "pyVitrualenvInstall"
}
#pass pyVitrualenvInstallfunction createPyVitrualenv {[ -d $vitrualEnvPath ] || {mkdir -p $vitrualEnvPathsureOK $? "init vitrualEnvPath"}cat >>$userBashConf<<EOF
export VIRTUALENV_USE_DISTRIBUTE=1
export WORKON_HOME=$vitrualEnvPath
export VIRTUALENVWRAPPER_PYTHON=$installPath/$pyBinPath
. $installPath/$pyBinPath/virtualenvwrapper.sh
export PIP_VIRTUALENV_BASE=\$WORKON_HOME
export PIP_RESPECT_VIRTUALENV=true
EOFsureOK $? "createPyVitrualenv"
}
#pass createPyVitrualenvfunction persionPyVirtualCmdAlias {sed -i "9i alias mkenv='mkvirtualenv'\nalias rmenv='rmvirtualenv'\nalias outenv='deactivate'" $userBashConfsureOK $? "persionPyVirtualCmdAlias"
}
#pass persionPyVirtualCmdAliasmain_BeiMenChuiXue() {pyRelayPkgInstalldownloadPyPkguntarPyPkgpyConfigurepyMakeAndMakeInstallpySoftLinkpyGlobalEnvAliyunPipConfpyVitrualenvInstallpersionPyVirtualCmdAlias
}
main_BeiMenChuiXue# ^_^