连仕彤博客pyenv环境部署

[python@vultr data]$ yum -y install gcc git make patch gdbm-devel openssl-devel sqlite-devel readline-devel zlib-devel bzip2-devel 
 

[python@vultr data]$ curl -L https://raw.githubusercontent.com/yyuu/pyenv-installer/master/bin/pyenv-installer | bash
...
remote: Counting objects: 10, done.
remote: Compressing objects: 100% (6/6), done.
remote: Total 10 (delta 1), reused 5 (delta 0), pack-reused 0
Unpacking objects: 100% (10/10), done.
 
WARNING: seems you still have not added 'pyenv' to the load path.
 
# Load pyenv automatically by adding
# the following to ~/.bash_profile:
 
export PATH="/home/python/.pyenv/bin:$PATH"
eval "$(pyenv init -)"
eval "$(pyenv virtualenv-init -)"
 
 

[python@vultr data]$ vim ~/.bash_profile  //环境变量配置,追加到 ~/.bash_profile 文件中
# .bash_profile
 
# Get the aliases and functions
if [ -f ~/.bashrc ]; then
        . ~/.bashrc
fi
 
# User specific environment and startup programs
 
PATH=$PATH:$HOME/.local/bin:$HOME/bin
 
export PATH="/home/python/.pyenv/bin:$PATH"
eval "$(pyenv init -)"
eval "$(pyenv virtualenv-init -)"
 
[python@vultr data]$ source  ~/.bash_profile //source重载一下
 

 
[python@VM_0_6_centos projects]$ pyenv --help
pyenv 1.2.3
Usage: pyenv <command> [<args>]
 
Some useful pyenv commands are:
   commands    List all available pyenv commands
   local       Set or show the local application-specific Python version
   global      Set or show the global Python version
   shell       Set or show the shell-specific Python version
   install     Install a Python version using python-build
   uninstall   Uninstall a specific Python version
   rehash      Rehash pyenv shims (run this after installing executables)
   version     Show the current Python version and its origin
   versions    List all Python versions available to pyenv
   which       Display the full path to an executable
   whence      List all Python versions that contain the given executable
 
See `pyenv help <command>' for information on a specific command.
For full documentation, see: https://github.com/pyenv/pyenv#readme
 
[python@VM_0_6_centos ~]$ pyenv versions  //查看当前可用Python版本
* system (set by /home/python/.pyenv/version) //系统版本
 
[python@VM_0_6_centos projects]$ pyenv version //查看当前Python版本
system (set by /home/python/.pyenv/version)
 

 
[python@VM_0_6_centos projects]$ pyenv install -l //列出当前可安装的版本
Available versions:
  2.1.3
  2.2.3
  2.3.7
  2.4
  2.4.1
  2.4.2
  2.4.3
  2.4.4
  2.4.5
  2.4.6
  2.5
....
 
 
[python@VM_0_6_centos magedu]$ pyenv install 3.5.3 //安装3.5.3版本
Downloading Python-3.5.3.tar.xz...
-> https://www.python.org/ftp/python/3.5.3/Python-3.5.3.tar.xz
Installing Python-3.5.3...
Installed Python-3.5.3 to /home/python/.pyenv/versions/3.5.3
 
[python@VM_0_6_centos magedu]$ pyenv versions
* system (set by /home/python/.pyenv/version)
  3.5.3
 
 

 
[python@VM_0_6_centos cmdb]$ pyenv virtualenv 3.5.3 vir353 //基于3.5.3版本创建一个名为vir353的虚拟环境
Requirement already satisfied: setuptools in /home/python/.pyenv/versions/3.5.3/envs/vir353/lib/python3.5/site-packages
Requirement already satisfied: pip in /home/python/.pyenv/versions/3.5.3/envs/vir353/lib/python3.5/site-packages
 
# 在可用版本目录里面已经可以看到我们创建的虚拟环境（虚拟版本）
[python@VM_0_6_centos projects]$ ls /home/python/.pyenv/versions/ 
3.5.3  vir353
 

 
[python@VM_0_6_centos cmdb]$ pyenv local vir353
(vir353) [python@VM_0_6_centos cmdb]$ 
(vir353) [python@VM_0_6_centos cmdb]$ pyenv version
vir353 (set by /home/python/test/projects/cmdb/.python-version)
[python@VM_0_6_centos projects]$ pyenv version
system (set by /home/python/.pyenv/version)