wget https://www.python.org/ftp/python/3.7.2 … 7.2.tar.xz
tar -xvJf  Python-3.7.2.tar.xz
cd Python-3.7.2
编辑:Modules/Setup 去掉第211到214行中的# (内容是SSL)
./configure --prefix=/usr/local/python3 --enable-optimizations --with-ssl
make && make install

ln -s /usr/local/python3/bin/python3 /usr/local/bin/python3
ln -s /usr/local/python3/bin/pip3 /usr/local/bin/pip3

pip3 install --timeout=3600 Pillow pylibmc captcha jinja2 sqlalchemy psd-tools django-pylibmc django-simple-captcha

mkdir /home/seafile
tar -xzf seafile-server_*
mv seafile-server_* /home/seafile

./setup-seafile-mysql.sh

/home/seafile/seafile-server-latest/seafile.sh restart
/home/seafile/seafile-server-latest/seahub.sh restart