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一行命令安装

wgethttps://mirrors.tuna.tsinghua.edu.cn/python/3.12.7/Python-3.12.7.tgz;tar-xf Python-3.12.7.tgz;cdPython-3.12.7;mkdir-p /usr/local/python3.12;./configure --enable-optimizations --prefix=/usr/local/python3.12;make-j$(nproc);sudomakealtinstall;/usr/local/python3.12/bin/python3.12 --version;sudoln-s /usr/local/python3.12/bin/python3.12 /usr/bin/python3.12;sudoln-s /usr/local/python3.12/bin/pip3.12 /usr/bin/pip3.12;python3.12 --version;pip3.12 --version;

分步解释

下载安装包

wgethttps://mirrors.tuna.tsinghua.edu.cn/python/3.12.7/Python-3.12.7.tgz

解压进入安装目录

tar-xf Python-3.12.7.tgzcdPython-3.12.7

创建安装目录

mkdir-p /usr/local/python3.12

编译安装

# 配置编译./configure --enable-optimizations --prefix=/usr/local/python3.12# 编译make-j$(nproc)# 安装（altinstall 避免替换系统默认 python/python3 软链接）sudomakealtinstall

验证安装是否成功

# 检查 Python 3.12 版本/usr/local/python3.12/bin/python3.12 --version# 输出：Python 3.12.7 即为成功

创建软链接（相当于添加环境变量）

# 创建软链接（可选，方便终端直接用 python3.12）sudoln-s /usr/local/python3.12/bin/python3.12 /usr/bin/python3.12sudoln-s /usr/local/python3.12/bin/pip3.12 /usr/bin/pip3.12

验证全部完成

python3.12 --version pip3.12 --version