python-fonttools - A library to manipulate font files from Python. Optional dependencies: python3-reportlab – to drawing glyphs as PNG images python3-sympy – for symbolic font statistics analysis Note: Install pytz, Sphinx, sphinx-rtd-theme, snowballstemmer, imagesize,msgpack-python, html5lib first and then go for other dependencies.If you encounter an error about syntax error in python then check if the slackbuild builds for python2, disable it and then try to install.