This is just an adjusted recipe for S3QL on Centos 7 with the extra python modules needed since my earlier one... this could be handy to add back into the s3ql wiki?
# disable selinux... edit /etc/selinux/config and reboot
yum groupinstall -y "Development Tools"
yum install systemd-devel libattr-devel sqlite-devel fuse-devel psmisc wget
yum install -y python36u python36u-libs python36u-devel python36u-pip
pip3.6 install --upgrade pip
pip3.6 install defusedxml requests dugong llfuse pytest pycrypto apsw cryptography google-auth-oauthlib
tar xvjf s3ql-3.1.tar.bz2
cd s3ql-3.1
python3.6 setup.py build_ext --inplace;
python3.6 -m pytest tests/
python3.6 setup.py install;