CentOS 6.8 Installation Python3

Install gcc (yum install gcc) because no GCC is unable to compile and install Python3.6

: https://www.python.org/ftp/python/

1 tar zxvf python-3.5.2.tgz

2 CD Python-3.5.2

3./configure--prefix=/usr/local/python35

4 Make && make install

Then install PIP3 and then use PIP3 to install the package when you encounter:

PIP is configured with locations that require TLS/SSL and however the SSL module in Python are not available.

Workaround:

# Rpm-aq|grep OpenSSL

1). Yum Install Openssl-devel-y

Yum Install OpenSSL

Yum Libssl-dev

2).

#修改Setup文件
Vi/usr/software/python-2.7.5/modules/setup
#修改结果如下:
# Socket Module Helper for Socket (2)
_socket socketmodule.c timemodule.c

# Socket Module helper for SSL support; You must comment out of the other
# socket line above, and possibly edit the SSL variable:
#SSL =/usr/local/ssl
_ssl _ssl.c \
-duse_ssl-i$ (SSL)/include-i$ (SSL)/INCLUDE/OPENSSL \
-l$ (SSL)/lib-lssl-lcrypto

3). Recompile the installation Python3

. /configure --enable-optimizations

make altinstall

4). The package can be installed normally with PIP3.

Up vote4down vote

I ran into the same error when building Python 3.6.1 from source under CentOS 7. For CentOS7, I had to first: sudo yum install openssl-dev Then: ./configure --enable-optimizationsmake altinstall Now pip3.6 works:-)

refer:https://stackoverflow.com/questions/41489439/ Pip3-installs-inside-virtual-environment-with-python3-6-failing-due-to-ssl-modul

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CentOS 6.8 Installation Python3