Plugins Phase 1 - Ability to load plugins using package entrypoints #705
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kageurufu
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This builds a package with the entrypoint `kalico.plugins.tmc4671`, which can be loaded by KalicoCrew/kalico#705
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Exposes loaded plugins with their readmes on /printer/info for frontends to use
Use plugin loading during py.test for the testing plugin. This both verifies PYTHONPATH loading for non-pip installed plugins (without dependencies), and that entrypoints load properly.
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This enables plugins to provide a python entrypoint, and then users can just
pip installplugins they need.This extends the module loading to search the entrypoint
kalico.pluginsfor modules matching the configured name.Entrypoints expose the normal
load_config(config: ConfigWrapper) -> objectorload_config_prefix(config: ConfigWrapper) -> objectinterface.Supporting this is usually as simple as adding a
pyproject.tomlto the plugin's repository with[project.entry-points."kalico.plugins"] my_plugin = "module".This also starts some documentation on plugin development