Modules 配置之 Python

# 安装编译环境
sudo apt install -y build-essential libbz2-dev libdb-dev \
  libreadline-dev libffi-dev libgdbm-dev liblzma-dev \
  libncursesw5-dev libsqlite3-dev libssl-dev \
  zlib1g-dev uuid-dev tk-dev wget
  
# 准备文件夹
sudo mkdir -p /opt/python/3.10.6

# 下载源代码
cd /tmp
wget -c https://www.python.org/ftp/python/3.10.6/Python-3.10.6.tar.xz

# 解压源代码
tar xf Python-3.10.6.tar.xz

# 配置安装路径及编译选项
cd Python-3.10.6
./configure --prefix=/opt/python/3.10.6 --enable-optimizations --with-lto 

# 编译及安装
make && sudo make install

sudo mkdir -p /opt/modules/modulefiles/py
sudo vim /opt/modules/modulefiles/py/3.10.6

#%Module
proc ModulesHelp { } {
    puts stderr \tThis module file will load Python 3.10.6"
}

module-whatis  "Enable Python 3.10.6"

eval set  [ array get env HOME ]
set basedir /opt/python/3.10.6
prepend-path PATH "${basedir}/bin"
prepend-path LIBRARY_PATH "${basedir}/lib"
prepend-path LD_LIBRARY_PATH "${basedir}/lib"
prepend-path INCLUDE_PATH "${basedir}/include"
prepend-path LD_INCLUDE_PATH "${basedir}/include"

# 查看所有可用模块
╰─$ module ava
-------------------------- /opt/modules/modulefiles ---------------------------
dot  module-git  module-info  modules  null  py/3.10.6  use.own

Key:
modulepath

# 加载 python 3.10.6 环境，并确认已加载模块
╰─$ module load py/3.10.6
╰─$ module list
Currently Loaded Modulefiles:
 1) py/3.10.6

# 确认目前 python 版本
╰─$ python3 -V
Python 3.10.6

Installing collected packages: setuptools, pip
  WARNING: The scripts pip3 and pip3.10 are installed in '/opt/python/3.10.6/bin' which is not on PATH.
  Consider adding this directory to PATH or, if you prefer to suppress this warning, use --no-warn-script-location.
Successfully installed pip-22.2.1 setuptools-63.2.0
WARNING: Running pip as the 'root' user can result in broken permissions and conflicting behaviour with the system package manager. It is recommended to use a virtual environment instead: https://pip.pypa.io/warnings/venv

# 新建 env 虚拟环境
╰─$ python3 -m venv env

# 激活 env 虚拟环境
╰─$ source env/bin/activate

# 可以看到 <env> 的环境提示
# 尝试升级 pip，可以看到成功升级 
╭─zhonger@lep-u ~ ‹env›
╰─$ pip3 install -U pip
Requirement already satisfied: pip in ./env/lib/python3.10/site-packages (22.2.1)
Collecting pip
  Using cached pip-23.0.1-py3-none-any.whl (2.1 MB)
Installing collected packages: pip
  Attempting uninstall: pip
    Found existing installation: pip 22.2.1
    Uninstalling pip-22.2.1:
      Successfully uninstalled pip-22.2.1
Successfully installed pip-23.0.1

# 取消激活 env 虚拟环境
╰─$ deactivate

╰─$ ls /opt/python/3.10.6
bin  include  lib  share

╰─$ ls env
bin  include  lib  lib64  pyvenv.cfg

╰─$ cat env/pyvenv.cfg
home = /opt/python/3.10.6/bin
include-system-site-packages = false
version = 3.10.6

╰─$ ll env/bin
total 36K
-rw-r--r-- 1 zhonger zhonger 8.9K Mar 20 15:20 Activate.ps1
-rw-r--r-- 1 zhonger zhonger 2.0K Mar 20 15:20 activate
-rw-r--r-- 1 zhonger zhonger  908 Mar 20 15:20 activate.csh
-rw-r--r-- 1 zhonger zhonger 2.1K Mar 20 15:20 activate.fish
-rwxrwxr-x 1 zhonger zhonger  234 Mar 20 15:20 pip
-rwxrwxr-x 1 zhonger zhonger  234 Mar 20 15:20 pip3
-rwxrwxr-x 1 zhonger zhonger  234 Mar 20 15:20 pip3.10
lrwxrwxrwx 1 zhonger zhonger    7 Mar 20 15:20 python -> python3
lrwxrwxrwx 1 zhonger zhonger   30 Mar 20 15:20 python3 -> /opt/python/3.10.6/bin/python3
lrwxrwxrwx 1 zhonger zhonger    7 Mar 20 15:20 python3.10 -> python3