Move out "split_at_xiaokai" filter

filters/command_dispatcher_0.py

@@ -31,22 +31,8 @@ def _load_commands():
 
 def _dispatch_command(ctx_msg):
     try:
-        content = ctx_msg.get('content', '')
+        content = ctx_msg.get('content', '').lstrip()
         source = get_source(ctx_msg)
-        if content.startswith('@'):
-            my_group_nick = ctx_msg.get('receiver')
-            if not my_group_nick:
-                raise SkipException
-            at_me = '@' + my_group_nick
-            if not content.startswith(at_me):
-                raise SkipException
-            content = content[len(at_me):]
-        else:
-            # Not starts with '@'
-            if ctx_msg.get('type') == 'group_message' or ctx_msg.get('type') == 'discuss_message':
-                # And it's a group message, so we don't reply
-                raise SkipException
-        content = content.lstrip()
         start_flag = None
         for flag in _command_start_flags:
             # Match the command start flag

filters/how_to_use_1.py

@@ -6,7 +6,7 @@ def _print_help_message(ctx_msg):
     a = ['help', '怎么用', '怎么用啊', '你好', '你好啊', '帮助',
          '用法', '使用帮助', '使用指南', '使用说明', '使用方法',
          '你能做什么', '你能做些什么', '你会做什么', '你会做些什么']
-    if ctx_msg.get('content', '') in a:
+    if ctx_msg.get('content', '').strip() in a:
         core.help('', ctx_msg)
         return False
     return True

filters/split_at_xiaokai_50.py

@@ -0,0 +1,22 @@
+from filter import add_filter
+
+
+def _split_at_xiaokai(ctx_msg):
+    if ctx_msg.get('type') == 'group_message' or ctx_msg.get('type') == 'discuss_message':
+        content = ctx_msg.get('content', '')
+        if content.startswith('@'):
+            my_group_nick = ctx_msg.get('receiver')
+            if not my_group_nick:
+                return False
+            at_me = '@' + my_group_nick
+            if not content.startswith(at_me):
+                return False
+            content = content[len(at_me):]
+        else:
+            # Not starts with '@'
+            return False
+        ctx_msg['content'] = content.lstrip()
+    return True
+
+
+add_filter(_split_at_xiaokai, priority=50)