Custom lints can not be installed editable

[wimglenn]

When developing a custom lint rule as described in Packaging Custom Rules, the lint is not available if installed with pip install -e ./my-custom-lint. The same lint is available (and appears in ansible-lint --list-rules) when doing pip install ./my-custom-lint.

I'm using setuptools and the editable installation mode is the thing with an __editable__ .pth file in site-packages which installs a meta-path finder. Trying all modes with --config-settings editable_mode=compat, --config-settings editable_mode=strict, --config-settings editable_mode=lenient, none of them works.

Maybe relevant: unlike the "normal" install, an editable install doesn't create files under .../site-packages/ansiblelint/rules/custom/. I didn't check how ansible-lint discovers custom rules, but perhaps an entry-point group would be worth considering.