ubuntu 18.04,20.04 都能用,安装python3.9.4 + pip21.1.1(亲测新版python3.9.7+pip21.2.3也可以用) | 您所在的位置:网站首页 › ubuntu1804自带python吗 › ubuntu 18.04,20.04 都能用,安装python3.9.4 + pip21.1.1(亲测新版python3.9.7+pip21.2.3也可以用) |
安装python3.9.4
sudo apt-get update
sudo apt-get install build-essential zlib1g-dev libncurses5-dev libgdbm-dev libnss3-dev libssl-dev libreadline-dev libffi-dev libsqlite3-dev
sudo wget https://www.python.org/ftp/python/3.9.4/Python-3.9.4.tgz
root@062e241f5835:/# wget https://www.python.org/ftp/python/3.9.4/Python-3.9.4.tgz –2021-05-02 08:49:19-- https://www.python.org/ftp/python/3.9.4/Python-3.9.4.tgz Resolving www.python.org (www.python.org)… 151.101.108.223, 2a04:4e42:1a::223 Connecting to www.python.org (www.python.org)|151.101.108.223|:443… connected. HTTP request sent, awaiting response… 200 OK Length: 25411523 (24M) [application/octet-stream] Saving to: ‘Python-3.9.4.tgz’ Python-3.9.4.tgz 100%[===================>] 24.23M 720KB/s in 39s 2021-05-02 08:49:59 (631 KB/s) - ‘Python-3.9.4.tgz’ saved [25411523/25411523] 解压源码包: tar -zxvf Python-3.9.4.tgz进入解压后的目录: cd Python-3.9.4 ./configure --prefix=/usr/local ./configure --enable-optimizations这里的–prefix=/usr/local用于指定安装目录(建议指定)。如果不指定,就会使用默认的安装目录。 –enable-optimizations选项通过运行多个测试来优化Python二进制文件。 这会使构建过程变慢。 启动Python 3.9.4构建过程: sudo make -j 8构建过程完成后,输入以下命令安装Python二进制文件: sudo make install删除原先的命令,并建立新的软连接 rm -rf /usr/bin/python3 ln -s /usr/local/bin/python3 /usr/bin/python3查看安装完成版本: python3.9 --version 安装pip3 sudo apt-get install python3-pip升级pip3 (目前最新pip21.1.1) sudo pip3 install --upgrade piproot@062e241f5835:/Python-3.9.4# pip3 install --upgrade pip Collecting pip Downloading https://files.pythonhosted.org/packages/cd/6f/43037c7bcc8bd8ba7c9074256b1a11596daa15555808ec748048c1507f08/pip-21.1.1-py3-none-any.whl (1.5MB) 100% |################################| 1.6MB 489kB/s Installing collected packages: pip Found existing installation: pip 9.0.1 Not uninstalling pip at /usr/lib/python3/dist-packages, outside environment /usr Successfully installed pip-21.1.1 root@062e241f5835:/Python-3.9.4# pip3 -V |
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