JLCKicadTools is a tool aims to work with JLCPCB assembly service featuring KiCad 5.
See this blog post for instructions.
Python 3.6+
pip install git+https://github.com/matthewlai/JLCKicadTools
pip install -r requirements.txt
In case you do not have pip installed. See:
sudo dnf install python-pip
sudo apt-get install python-pip
JLCKicadTools comes as a nice command line interface named kicad-jlc-tool. To see how it works just simply issue at your shell prompt:
$ jlc-kicad-tools