# install pre-requisites

sudo yum -y groupinstall development

sudo yum -y install zlib-devel

sudo yum -y install openssl-devel

# Installing openssl-devel alone seems to result in SSL errors in pip (see https://medium.com/@moreless/pip-complains-there-is-no-ssl-support-in-python-edbdce548852)

# Need to install OpenSSL also to avoid these errors

sudo wget https://github.com/openssl/openssl/archive/OpenSSL_1_0_2l.tar.gz

sudo tar -zxvf OpenSSL_1_0_2l.tar.gz

cd openssl-OpenSSL_1_0_2l/

sudo ./config shared

sudo make

sudo make install

export LD_LIBRARY_PATH=/usr/local/ssl/lib/

cd ..

sudo rm OpenSSL_1_0_2l.tar.gz

sudo rm -rf openssl-OpenSSL_1_0_2l/

# Install Python 3.6

sudo wget https://www.python.org/ftp/python/3.6.0/Python-3.6.0.tar.xz

sudo tar xJf Python-3.6..tar.xz

cd Python-3.6.

sudo ./configure

sudo make

sudo make install

cd ..

sudo rm Python-3.6..tar.xz

sudo rm -rf Python-3.6.

# Create virtualenv running Python 3.6

sudo pip install --upgrade virtualenv

virtualenv -p python3 MYVENV  #到有权限的目录下 我是到家目录下

source MYVENV/bin/activate

python --version

# Python 3.6.