A library that provides symbolic constant support. It includes collections and constants with text, numeric, and bit flag values. Originally twisted.python.constants from the Twisted project.

constantly is available in PyPI, and can be installed via pip:

$ pip install constantly

Documentation is available at https://constantly.readthedocs.io/en/latest/.

To run tests:

$ tox

This will run tests on Python 2.7, 3.3, 3.4, and PyPy, as well as doing coverage and pyflakes checks.