python2.7更新python3.4_CentOS7更新Python2.7.5至Python3.4.5

python更新

1.官网下载安装包,编译安装

./configure --prefix=/usr/local/python

make && make install

2.修改旧的python2.7命令 mv /usr/bin/python /usr/bin/python2.7.5

链接python3.4的命令 ln -s /usr/local/python/bin/python3.4 /usr/bin/python

3.yum 指向旧的python命令

vim /usr/bin/yum   -->   #!/usr/bin/python2.7.5

4.验证python -V   正常显示3.4.5

yum install报错

vim /usr/libexec/urlgrabber-ext-down  修改第一行  #!/usr/bin/python2.7.5

vim /usr/bin/gnome-tweak-tool   修改第一行  #!/usr/bin/python2.7.5

然后yum安装正常了!

安装Django

1.安装setuptool  地址https://pypi.python.org/pypi/setuptools#downloads

2.解压文件tar -zxvf XXXXX   进入目录,安装  python setup.py install

3.安装Django tar -zxvf XXXXX 进入目录,安装  python setup.py install