install_python33_centos6_scl.sh

# root required

yum install centos-release-scl
yum install python33
. /opt/rh/python33/enable
wget https://bootstrap.pypa.io/get-pip.py
python get-pip.py

echo '#!/bin/sh

. /opt/rh/python33/enable

exec python3 "$@"
' > /usr/bin/python3
chmod +x /usr/bin/python3

echo '#!/bin/sh

. /opt/rh/python33/enable

exec pip3 "$@"
' >  /usr/bin/pip3 
chmod +x  /usr/bin/pip3 

change python33 into rh-python35 if you need python35