Data system refactor and core redesign for public.

Redesigned data and core systems to be public-capable.

bot/LionModule.py

@@ -0,0 +1,70 @@
+from cmdClient import Command, Module
+
+from meta import log
+
+
+class LionCommand(Command):
+    """
+    Subclass to allow easy attachment of custom hooks and structure to commands.
+    """
+    ...
+
+
+class LionModule(Module):
+    """
+    Custom module for Lion systems.
+
+    Adds command wrappers and various event handlers.
+    """
+    name = "Base Lion Module"
+
+    def __init__(self, name, baseCommand=LionCommand):
+        super().__init__(name, baseCommand)
+
+        self.unload_tasks = []
+
+    def unload_task(self, func):
+        """
+        Decorator adding an unload task for deactivating the module.
+        Should sync unsaved transactions and finalise user interaction.
+        If possible, should also remove attached data and handlers.
+        """
+        self.unload_tasks.append(func)
+        log("Adding unload task '{}'.".format(func.__name__), context=self.name)
+        return func
+
+    async def unload(self, client):
+        """
+        Run the unloading tasks.
+        """
+        log("Unloading module.", context=self.name, post=False)
+        for task in self.unload_tasks:
+            log("Running unload task '{}'".format(task.__name__),
+                context=self.name, post=False)
+            await task(client)
+
+    async def launch(self, client):
+        """
+        Launch hook.
+        Executed in `client.on_ready`.
+        Must set `ready` to `True`, otherwise all commands will hang.
+        Overrides the parent launcher to not post the log as a discord message.
+        """
+        if not self.ready:
+            log("Running launch tasks.", context=self.name, post=False)
+
+            for task in self.launch_tasks:
+                log("Running launch task '{}'.".format(task.__name__),
+                    context=self.name, post=False)
+                await task(client)
+
+            self.ready = True
+        else:
+            log("Already launched, skipping launch.", context=self.name, post=False)
+
+    async def pre_command(self, ctx):
+        """
+        Lion pre-command hook.
+        """
+        # TODO: Add blacklist and auto-fetch of lion here.
+        ...