Fix bug when commands have no body

morpheus/exts/bot.py

@@ -62,7 +62,9 @@ class Bot(Client):
         if not raw_body.startswith(prefix):
             return None
         raw_body = raw_body.lstrip(prefix)
-        called_with, body = raw_body.split(' ', 1)
+        body_list = raw_body.split(' ', 1)
+        called_with = body_list[0]
+        body = body_list[1] if len(body_list) > 1 else None
         return Context.get_context(event, prefix, called_with, body)
 
     async def process_command(self, event):
@@ -73,7 +75,7 @@ class Bot(Client):
         command = self.commands.get(ctx.called_with)
         if not command:
             return
-        await command.invoke(ctx, ctx.body.split(' '))
+        await command.invoke(ctx, ctx.body.split(' ') if ctx.body else None)
 
     def listener(self, name=None):
         def decorator(func):

morpheus/exts/command.py

@@ -69,13 +69,16 @@ class Command:
 
         args = []
         kwargs = {}
-        params = self.parser.parse_args(args_list)
-
-        for key, value in iterator:
-            value: inspect.Parameter
-            if value.kind == value.VAR_POSITIONAL or value.kind == value.POSITIONAL_OR_KEYWORD:
-                args.extend(params.__dict__[key])
-            else:
-                kwargs[key] = params.__dict__[key]
-
-        await self.function(ctx, *args, **kwargs)
+        if args_list:
+            params = self.parser.parse_args(args_list)
+
+            for key, value in iterator:
+                value: inspect.Parameter
+                if value.kind == value.VAR_POSITIONAL or value.kind == value.POSITIONAL_OR_KEYWORD:
+                    args.extend(params.__dict__[key])
+                else:
+                    kwargs[key] = params.__dict__[key]
+
+            await self.function(ctx, *args, **kwargs)
+        else:
+            await self.function(ctx)