# Note: depends on pkg-config
# Note: depends on libffi
# Note: depends on Python
# Note: depends on python-click
# Note: depends on python-itsdangerous
# Note: depends on python-jinja
# Note: depends on python-werkzeug
wget -c https://github.com/pallets/flask/archive/1.1.1/flask-1.1.1.tar.gz
tar -xzf flask-1.1.1.tar.gz
cd flask-1.1.1
python3 setup.py build
python3 setup.py install # as root