centos7 install python3.6 solve the above problem openssl

In centos7 system, install the original way to install python3.6, when library use request, the system will prompt

报错信息： Can't connect to HTTPS URL because the SSL module is not available

problem analysis:

Viewing System openssl version:

[root@zj ~]# openssl version -a

OpenSSL 1.0.1e

Baidu after the discovery ssl version must be version 1.1 or 1.0.2, if later, or libressl after 2.6.4 is installed.

I began to explore the road:

method one:

1. Download openssl-1.0.2h.tar.gz

wget https://www.openssl.org/source/openssl-1.0.2h.tar.gz

2, updated zlib

yum install -y zlib

3, extract the installation

tar zxf openssl-1.0.2h.tar.gz

cd openssl-1.0.2h

./config shared zlib

make && make install

 

mv /usr/bin/openssl /usr/bin/openssl.bak

mv /usr/include/openssl /usr/include/openssl.bak

ln -s /usr/local/ssl/bin/openssl /usr/bin/openssl

ln -s /usr/local/ssl/include/openssl /usr/include/openssl

echo “/usr/local/ssl/lib” >> /etc/ld.so.conf

ldconfig -v

 

4, to see if the upgrade is successful

[root@zj ~]# openssl version -a

OpenSSL 1.0.2h 3 May 2016

 

Reinstall the python, coupled with the -with-ssl

./configure –prefix=/usr/local/Python3.71 –with-ssl

make&make install

I began to check:

 

 Import module is not being given to ssl

Method Two:

1. compile and install OpenSSL 1.0.2j version and re-configuration environment variable

Download OpenSSL source package :( performed under / usr / local / python3)
wget http://www.openssl.org/source/openssl-1.0.2j.tar.gz

Decompress, compile and install:
tar -zxvf OpenSSL-1.0.2j.tar.gz
cd OpenSSL-1.0.2j

# Modify translation parameters, no-zlib not need zlib 
./config --prefix = / usr / local / to python3 / OpenSSL-NO-zlib 1.0.2j

make && make install

2. Re-compile and install python3.6.2

tar -zxvf Python-3.6.2.tgz
cd Python-3.6.2
./configure --prefix=/usr/local/python3

After this step, do not worry run make. To modify the source directory Python-3.6.2 / Modules / Setup file:

[root@localhost ~]# vim Modules/Setup

# Socket module helper for socket(2)
#_socket socketmodule.c

SSL Module Helper for the Socket # Support; the Comment you the MUST OUT at The OTHER
# socket Line above, and Possibly Edit variable at The SSL:
SSL = / usr / local / Lab / OpenSSL-1.0.2j / # uncomment this line, and the original / usr / local / ssl openssl directory changed our newly installed: /usr/local/python3/openssl-1.0.2j/
_ssl _ssl.c \ # uncomment this line
-DUSE_SSL -I $ (SSL) / include -I $ (SSL) / include / openssl \ # uncomment this line
-L $ (SSL) / lib -lssl -lcrypto # uncomment this line

Finally, re-compile and install python3:

make& make install 

Again lead pack, successfully installed

 

 

Into the pit is completed.

Reference documents: http://www.yueguangzu.net/?p=1677

　　　　   https://blog.csdn.net/reblue520/article/details/94072018

　　　　   https://www.jb51.net/article/166688.htm