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本文介绍在Debian 10系统上安装Python-3.9.2.tgz的方法，如果是安装Python 3.9.x版本，都可采用此方法。
在Debian 10上安装Python 3.9.2 建议在Debian 10系统上安装Python 3.9.2之前，更新您的APT缓存索引： sudo apt update 如果可以升级，请运行以下命令： sudo apt upgrade -y 成功升级后，然后重新启动Debian 10系统： sudo reboot 系统重新引导后，安装依赖项软件包： sudo apt install wget software-properties-common build-essential libnss3-dev zlib1g-dev libgdbm-dev libncurses5-dev libssl-dev libffi-dev libreadline-dev libsqlite3-dev libbz2-dev 按y键开始安装，输出的信息如下： 0 upgraded, 95 newly installed, 0 to remove and 0 not upgraded. Need to get 74.7 MB of archives. After this operation, 296 MB of additional disk space will be used. Do you want to continue? [Y/n] y 访问Python下载页面并获取新版本，地址在https://www.python.org/downloads/，可在终端中下载，命令如下： wget https://www.python.org/ftp/python/3.9.2/Python-3.9.2.tgz 注：该版本的更新信息，请看Python 3.9.2与Python 3.8.8发布下载，附主要更新内容介绍。 解压缩下载的文件： tar xvf Python-3.9.2.tgz 更改工作目录以创建Python文件夹： cd Python-3.9.2/ 运行配置命令： ./configure --enable-optimizations 样本输出，如下： checking for shm_open... yes checking for shm_unlink... yes checking for pkg-config... no checking for openssl/ssl.h in /usr/local/ssl... no checking for openssl/ssl.h in /usr/lib/ssl... no checking for openssl/ssl.h in /usr/ssl... no checking for openssl/ssl.h in /usr/pkg... no checking for openssl/ssl.h in /usr/local... no checking for openssl/ssl.h in /usr... no checking whether compiling and linking against OpenSSL works... no checking for --with-ssl-default-suites... python checking for --with-builtin-hashlib-hashes... md5,sha1,sha256,sha512,sha3,blake2 configure: creating ./config.status config.status: creating Makefile.pre config.status: creating Misc/python.pc config.status: creating Misc/python-embed.pc config.status: creating Misc/python-config.sh config.status: creating Modules/ld_so_aix config.status: creating pyconfig.h config.status: pyconfig.h is unchanged creating Modules/Setup.local creating Makefile 在Debian 10 Linux上构建Python 3.9.2： sudo make altinstall 成功的安装将具有类似于以下的输出内容： changing mode of /usr/local/lib/python3.9/lib-dynload/__pycache__ to 755 running install_scripts copying build/scripts-3.9/idle3.9 -> /usr/local/bin copying build/scripts-3.9/pydoc3.9 -> /usr/local/bin copying build/scripts-3.9/2to3-3.9 -> /usr/local/bin changing mode of /usr/local/bin/idle3.9 to 755 changing mode of /usr/local/bin/pydoc3.9 to 755 changing mode of /usr/local/bin/2to3-3.9 to 755 rm /usr/local/lib/python3.9/lib-dynload/_sysconfigdata__linux_x86_64-linux-gnu.py rm -r /usr/local/lib/python3.9/lib-dynload/__pycache__ /usr/bin/install -c -m 644 ./Misc/python.man \ /usr/local/share/man/man1/python3.9.1 if test "xupgrade" != "xno" ; then \ case upgrade in \ upgrade) ensurepip="--altinstall --upgrade" ;; \ install|*) ensurepip="--altinstall" ;; \ esac; \ ./python -E -m ensurepip \ $ensurepip --root=/ ; \ fi Looking in links: /tmp/tmpog4qrruc Requirement already up-to-date: setuptools in /usr/local/lib/python3.9/site-packages (49.2.1) Requirement already up-to-date: pip in /usr/local/lib/python3.9/site-packages (20.2.3) 运行以下命令将输出系统中可用的Python 3.9.2版本： $ python3.9 --version Python 3.9.2 最后，如果要安装模块发行版页面中可用的Python模块，页面地址在https://pypi.org/，请使用以下命令语法： python3.9 -m pip install <module> 至此，已成功在Debian 10 Linux系统上安装了Python-3.9.2.tgz，同时也检测出系统的确存在了Python 3.9.2版本。
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