Pynerator is a simple application to generate random passwords/codes, desenvolved using python and pyqt5.
Via pip
$ pip3 install pynerator
Via github
$ git clone https://github.com/jeffrichardchemistry/pynerator
$ cd pynerator
$ python3 setup.py install
In a terminal
$ python3 -m pynerator
As a module
from pynerator import pyneratorgui
pyneratorgui.runGUI()