Plotting backends#

ArviZ supports multiple backends. While adding another backend, please ensure you meet the following design patterns.

Code Separation#

Each backend should be placed in a different module per the backend. See arviz.plots.backends for examples.

The code in the root level of arviz.plots should not contain any opinion on backend. The idea is that the root level plotting function performs math and constructs keywords, and the backends code in arviz.plots.backends perform the backend specific keyword argument defaulting and plot behavior.

The convenience function get_plotting_function available in arviz.plots.plot_utils.get_plotting_function should be called to obtain the correct plotting function from the associated backend. If adding a new backend follow the pattern provided to programmatically call the correct backend.

Test Separation#

Tests for each backend should be split into their own module See tests.test_plots_matplotlib for an example.