CentOS python environment configuration method

高洛峰
Release: 2017-03-09 09:30:50
Original
1972 people have browsed it

CentOS python environment configuration

@(Study notes)

Use pyenv to manage python version

  • ##pyenv tool configuration:

    $ git clone https://github.com/yyuu/pyenv.git ~/.pyenv
    
    $ echo 'export PYENV_ROOT="$HOME/.pyenv"' >> ~/.bash_profile
    $ echo 'export PATH="$PYENV_ROOT/bin:$PATH"' >> ~/.bash_profile
    
    $ echo 'eval "$(pyenv init -)"' >> ~/.bash_profile
    
    $ exec $SHELL
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  • Common pyenv commands:

    $ pyenv install 2.7.6 // 安装python 2.7.6版本
    $ pyenv local 2.7.6   // 这个应用使用2.7.6版本
    $ pyenv global 2.7.6  // 全局环境版本
    
    $ pyenv versions // 列出已经安装的所有版本,*表示当前环境正在使用的版本
          2.5.6
          2.6.8
         *2.7.6 (set by /home/yyuu/.pyenv/version)
          3.3.3
          jython-2.5.3
          pypy-2.2.1
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Use pip to manage python package versions

  1. pip installation:

    # 首先安装epel扩展源:
    $ sudo yum -y install epel-release
    
    # 然后安装python-pip
    $ sudo yum -y install python-pip
    
    # 清理cache
    $ sudo yum clean all
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  2. Pip common commands:

  3. # 安装1.9版本的django
    pip install django==1.9
    
    # 卸载包
    $ pip uninstall <包名> 或 pip uninstall -r requirements.txt
    
    # 更新包
    $ pip install -U <包名>
    
    # 更新pip
    $ pip install -U pip
    
    # 显示包所在的目录
    $ pip show -f <包名>
    
    # 搜索包
    $ pip search <搜索关键字>
    
    # 查询可升级的包
    $ pip list -o
    
    # 国内pypi镜像
    # 豆瓣:https://pypi.douban.com/simple
    # 中国科学技术大学:https://mirrors.tuna.tsinghua.edu.cn/pypi/web/simple/
    # 清华大学TUNA:https://pypi.tuna.tsinghua.edu.cn/simple
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