cairocffi is a `CFFI`_-based drop-in replacement for Pycairo_,
a set of Python bindings and object-oriented API for cairo_.
Cairo is a 2D vector graphics library with support for multiple backends
including image buffers, PNG, PostScript, PDF, and SVG file output.
API compatible with Pycairo.

python3-xcffib is an optional dependency.

cairocffi 1.4.0 is the last available version for Slackware 15.0. Newer
versions require a newer python-setuptools.