Method discover

src/memos/plugins/manager.py:100–145

Discover and load all installed plugins via entry_points.

(self)

        return winners

    def discover(self) -> None:
        """Discover and load all installed plugins via entry_points."""
        if self._discovered:
            return

        try:
            eps = importlib.metadata.entry_points()
            if hasattr(eps, "select"):
                plugin_eps = eps.select(group=ENTRY_POINT_GROUP)
            else:
                plugin_eps = eps.get(ENTRY_POINT_GROUP, [])
        except Exception:
            logger.exception("Failed to query entry_points")
            return

        candidates: list[tuple[str, MemOSPlugin]] = []
        for ep in plugin_eps:
            try:
                plugin_cls = ep.load()
                plugin = plugin_cls()
                if not isinstance(plugin, MemOSPlugin):
                    logger.warning("Plugin %s does not extend MemOSPlugin, skipped", ep.name)
                    continue
                candidates.append((ep.name, plugin))
            except Exception:
                logger.exception("Failed to load plugin: %s", ep.name)

        winners = self._select_plugin_winners(candidates)
        for plugin_name, plugin in winners.items():
            if not self._is_plugin_enabled(plugin):
                logger.info(
                    "Plugin discovered but disabled: %s v%s",
                    plugin.name,
                    plugin.version,
                )
                continue
            plugin.on_load()
            self._plugins[plugin_name] = plugin
            logger.info(
                "Plugin discovered: %s v%s (priority=%s)",
                plugin.name,
                plugin.version,
                plugin.priority,
            )

        self._discovered = True

    def init_components(self, context: dict) -> None:
        """Initialize runtime components contributed by loaded plugins."""