How To Install Python3 and OCI SDK In Different Location of Linux

Requirement

Default Oracle Linux has python2 installed, right rising of python3, we would like to use python3 for new projects while no touching on existing python2 environment

Get  source cod from python official website

wget https://www.python.org/ftp/python/3.6.3/Python-3.6.3.tar.xz

Put it to local /u02/storage

Install Extra,Configure and Make the binaries

Run as root

make -o /u01/python3

cd /u02/storage

tar xf Python-3.6.6.tar.xz

cd Python-3.6.6

yum install openssl-devel

yum install zlib-devel     ---- install zlib to avoid error 

./configure --prefix=/u01/python3

make

make install

alias pip='/u01/python3/bin/pip3'

alias python='/u01/python3/bin/python3'

Install and Config OCI SDK for Python

If your hosts are behind firewall, you need to tell python proxy details:

export https_proxy=http://www-proxy.us.test.com:80/

pip install oci 

see more details Oracle OCI SDK doc 

Output

the successful output is like:

.......

Collecting setuptools

Collecting pip

Installing collected packages: setuptools, pip

Successfully installed pip-10.0.1 setuptools-39.0.1

Error

If you see such error

zipimport.ZipImportError: can't decompress data; zlib not available python

yum install zlib-devel    -------- to fix the zlib missing error