# Note: depends on pkg-config
# Note: depends on libffi
# Note: depends on Python
# Note: depends on python-incremental
# Note: depends on python-attrs
# Note: depends on python-pyhamcrest
# Note: depends on python-hyperlink
# Note: depends on python-automat
# Note: depends on python-constantly
# Note: depends on python-zope.interface
wget -c https://github.com/twisted/twisted/archive/twisted-19.2.1.tar.gz
tar -xzf twisted-19.2.1.tar.gz
cd twisted-twisted-19.2.1
python3 setup.py build
python3 setup.py install # as root