centOS安装python3 以及解决导入ssl包出错的问题

参考:

https://www.cnblogs.com/mqxs/p/9103031.html

https://www.cnblogs.com/cerutodog/p/9908574.html

确认环境系统版本

openssl版本

[root@67 local]# openssl version
OpenSSL 1.0.2k-fips 26 Jan 2017

OPS,居然新安装的centOS系统自带的就是1.0.2版本,这是不是意味着我可以很轻松的安装好python,然后import ssl就不会报错,而不用再去额外配置openssl了呢

?期待的搓搓手(原因是python3需要要注意的地方是版本要1.02以上版本才能正常使用像requests之类的库)

为了避免后面报各种错,我们先把需要的信赖包安装上,再安装python3

执行完make&&make install之后，可能会出现这种报错：

“ModuleNotFound：No module named '_ctypes'”

这里需要执行：

yum install libffi-devel -y


安装python3.6可能使用的依赖

yum install openssl-devel bzip2-devel expat-devel gdbm-devel readline-devel sqlite-devel gcc gcc-c++  openssl-devel

[root@67 local]# yum install openssl-devel bzip2-devel expat-devel gdbm-devel readline-devel sqlite-devel gcc gcc-c++ openssl-devel
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Package 1:openssl-devel-1.0.2k-16.el7_6.1.x86_64 already installed and latest version
Package bzip2-devel-1.0.6-13.el7.x86_64 already installed and latest version
Package expat-devel-2.1.0-10.el7_3.x86_64 already installed and latest version
Package gdbm-devel-1.10-8.el7.x86_64 already installed and latest version
Package readline-devel-6.2-10.el7.x86_64 already installed and latest version
Package sqlite-devel-3.7.17-8.el7.x86_64 already installed and latest version
Package gcc-4.8.5-36.el7_6.2.x86_64 already installed and latest version
Package gcc-c++-4.8.5-36.el7_6.2.x86_64 already installed and latest version
Package 1:openssl-devel-1.0.2k-16.el7_6.1.x86_64 already installed and latest version
Nothing to do
[root@67 local]# yum install libffi-devel -y
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Package libffi-devel-3.0.13-18.el7.x86_64 already installed and latest version