CentOS 7 源码编译安装Python3.9
<p><strong><span> 简介</span></strong></p>
<p>
在CentOS7上默认的Python版本还是python2，如果需要Python3就需要安装第三方源，或者使用源码安装。</p>
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<img style="max-width:100%!important;height:auto!important;"title="CentOS 7 源码编译安装Python3.9" alt="CentOS 7 源码编译安装Python3.9" src="https://zhuji.jb51.net/uploads/img/202305/1ed2b3c5c4c6be1969e8ba9b9874397c.jpg">
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<p>
<strong><span>安装编译工具和依赖包</span></strong></p>
<blockquote>
<p class="alt">
<span><span>yum -y install wget xz tar gcc make tk-devel sqlite-devel zlib-devel readline-devel openssl-devel curl-devel tk-devel gdbm-devel xz-devel bzip2-devel </span></span></p>
</blockquote>
<p>
<strong><span>下载</span></strong></p>
<p>
直接从官网下载源码压缩包</p>
<blockquote>
<p class="alt">
<span><span>wget -t 100 -c https://www.python.org/ftp/python/3.9.1/Python-3.9.1.tgz </span></span></p>
</blockquote>
<p>
<strong><span>编译安装</span></strong></p>
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<img style="max-width:100%!important;height:auto!important;"title="CentOS 7 源码编译安装Python3.9" alt="CentOS 7 源码编译安装Python3.9" src="https://zhuji.jb51.net/uploads/img/202305/46c4a5a97d2da80140a253c181fe66a4.jpg">
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<blockquote>
<p class="alt">
<span><span>tar zxvf Python-3.9.1.tgz </span></span></p>
<p>
<span>cd Python-3.9.1 </span></p>
<p class="alt">
<span>./configure <span class="comment">--enable-optimizations --prefix=/opt/python39</span><span> </span></span></p>
<p>
<span>make </span></p>
<p class="alt">
<span>make install </span></p>
</blockquote>
<p>
<strong><span>使用</span></strong></p>
<p>
使用的时间，防止环境互相影响，可以使用虚拟环境进行隔离。</p>
<blockquote>
<p class="alt">
<span><span>/opt/python39/bin/python -m pip install virtualenv </span></span></p>
<p>
<span>cd /opt/ </span></p>
<p class="alt">
<span>/opt/python39/bin/python -m virtualenv python3 </span></p>
<p>
<span>/opt/python3/bin/python -m pip install pymysql </span></p>
</blockquote>
<p>
使用的时候，调用/opt/python3/bin/python，如果不同应用可以创建不同的虚拟环境，就不会引起包冲突。</p>
<center>
<img style="max-width:100%!important;height:auto!important;"title="CentOS 7 源码编译安装Python3.9" alt="CentOS 7 源码编译安装Python3.9" src="https://zhuji.jb51.net/uploads/img/202305/773a158803935c6dbe0c3d3316f403b1.jpg">
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<p>
<strong><span>总结</span></strong></p>
<p>
源码编译是比较麻烦一点，但是版本好控制。</p>
<p>
原文地址：https://www.toutiao.com/i6912255852342706700/</p>
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