Commit hoarding is a terrible practice

tunebot/plugins/manager.py

@@ -0,0 +1,79 @@
+from typing import Any
+from typing import TYPE_CHECKING
+from typing import Union
+
+from discord.ext.commands.errors import ExtensionAlreadyLoaded
+from discord.ext.commands.errors import ExtensionFailed
+from discord.ext.commands.errors import ExtensionNotFound
+from discord.ext.commands.errors import NoEntryPointError
+
+if TYPE_CHECKING:
+    from tunebot.abc import BasePluginInstance
+    from tunebot.plugins import ServiceEvent
+    from bot import TuneBot
+
+AnyDict = dict[Any, Any]
+
+
+class SimplePluginManager:
+    _plugins: dict[str, "BasePluginInstance"] = {}
+
+    def __init__(self, bot: "TuneBot") -> None:
+        self.bot = bot
+
+    def get_plugin(self, name: str) -> Union["BasePluginInstance", None]:
+        """
+        Retrieves the corresponding `BasePluginInstance` if it exists
+
+        Returns:
+            Union["BasePluginInstance", None]: [description]
+        """
+        return self._plugins.get(name)
+
+    def remove_plugin(self, name: str):
+        """
+        Unloads/Removes all components related to the `BasePluginInstance`
+
+        Args:
+            name (str): [description]
+        """
+        plugin = self.get_plugin(name)
+
+        if not plugin:
+            return
+
+        for cog in plugin.cogs:
+            try:
+                self.bot.unload_extension(cog)
+            except Exception:
+                pass
+
+        del self._plugins[name]
+
+    def enable_plugin(self, name: str, plugin: "BasePluginInstance"):
+        """
+        Loads/Activates all cogs/services included within the plugin
+
+        Args:
+            plugin_name (str): [description]
+            services (list[): [description]
+            cog_names (list[str]): [description]
+        """
+        self._plugins[name] = plugin
+        for cog_name in plugin.cogs:
+            self.bot.load_extension(cog_name)
+
+    async def dispatch(self, event: "ServiceEvent", payload: AnyDict = {}):
+        """
+        Dispatches an event to all registered services
+
+        Args:
+            event (ServiceEvent): [description]
+            payload (AnyDict, optional): [description]. Defaults to {}.
+        """
+        for plugin in self._plugins.values():
+            for service in plugin.services:
+                await service.on_dispatch(event, payload)
+
+
+__all__ = ("SimplePluginManager",)