1.python控制软件pyenv
依赖软件：git
[root@localhost ~]# curl https://raw.github.com/yyuu/pyenv-installer/master/bin/pyenv-installer| bash
...
Seems you still have not added 'pyenv' to the load path:
...
Seems you still have not added 'pyenv' to the load path:
export PYENV_ROOT="${HOME}/.pyenv"
if [ -d "${PYENV_ROOT}" ]; then
export PATH="${PYENV_ROOT}/bin:${PATH}"
eval "$(pyenv init -)"
fi
[root@localhost ~]# vim /etc/profile.d/pyenv.sh
export PYENV_ROOT="${HOME}/.pyenv"
if [ -d "${PYENV_ROOT}" ]; then
export PATH="${PYENV_ROOT}/bin:${PATH}"
eval "$(pyenv init -)"
fi
[root@localhost ~]# . /etc/profile.d/pyenv.sh
2.安装python
例如安装2.7.5版本
[root@localhost ~]# pyenv install 2.7.5
3.利用pyenv进行版本切换
pyenv versions
pyenv local|glocal 2.7.5
pyenv versions
python -V
此处local和glocal的区别在于local仅对当前目录及子目录起作用，glocal是全局生效
4.安装python的增强版本ipython
安装ipython，需要安装python-pip（python的包管理工具，如果是通过pyenv安装的python，则默认安装pip，否则不会安装）
pip install ipython