参考文章
ubuntu源码安装python3
linux 编译安装python3.6的教程详解

准备工作

安装工具

sudo apt update
sudo apt upgrade
sudo apt install gcc
sudo apt install g++
sudo apt install build-essential checkinstall
sudo apt install libreadline-gplv2-dev libncursesw5-dev libssl-dev libsqlite3-dev tk-dev libgdbm-dev libc6-dev libbz2-dev```

<p><span style="color: #ff0000"><strong>正式开始</strong></span></p>
<p>下载python文件</p>

sudo curl -O https://www.python.org/ftp/python/3.7.1/Python-3.7.1.tar.xz```

解压源码包

sudo tar Jxvf Python-3.7.1.tar.xz```

<p>创建python安装路径</p>

sudo mkdir /usr/python37```

安装python

sudo ./configure --enable-optimizations --prefix=/usr/python37
sudo make && make install```

<p>添加环境变量</p>

sudo vim /etc/profile```

在结尾添加

export PATH=$PATH:/usr/python37/bin
alias python="python3.7"
alias pip="pip3.7"```

<p style="text-align: center"><img alt="" src="//img.jbzj.com/file_images/article/202006/20206892830714.png?2020589305"></p>
<p><span style="color: #ff0000"><strong>添加用户别名</strong></span></p>

vim ~/.bashrc```

在结尾添加

alias python="python3.7"
alias pip="pip3.7"```

<p style="text-align: center"><img alt="" src="//img.jbzj.com/file_images/article/202006/20206892830715.jpg?20205893035"></p>
<p>创建软连接</p>

sudo ln -s /usr/python37/bin/python3.7 /bin/python sudo ln -s /usr/python37/bin/pip3.7 /bin/pip```

更换国内源

cd ~
mkdir .pip
cd .pip
> pip.conf
vim pip.conf```

<p>添加如下内容</p>

[global] index-url = https://pypi.tuna.tsinghua.edu.cn/simple```

更新pip

sudo pip install --upgrade pip

总结

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