refactor: 命令基本完成

pkg/command/operators/cmd.py

@@ -0,0 +1,50 @@
+from __future__ import annotations
+
+import typing
+
+from .. import operator, entities, cmdmgr, errors
+
+
+@operator.operator_class(
+    name="cmd",
+    help='显示命令列表',
+    usage='!cmd\n!cmd <命令名称>'
+)
+class CmdOperator(operator.CommandOperator):
+    """命令列表
+    """
+
+    async def execute(
+        self,
+        context: entities.ExecuteContext
+    ) -> typing.AsyncGenerator[entities.CommandReturn, None]:
+        """执行
+        """
+        if len(context.crt_params) == 0:
+            reply_str = "当前所有命令: \n\n"
+
+            for cmd in self.ap.cmd_mgr.cmd_list:
+                if cmd.parent_class is None:
+                    reply_str += f"{cmd.name}: {cmd.help}\n"
+        
+            reply_str += "\n使用 !cmd <命令名称> 查看命令的详细帮助"
+
+            yield entities.CommandReturn(text=reply_str.strip())
+        
+        else:
+            cmd_name = context.crt_params[0]
+
+            cmd = None
+
+            for _cmd in self.ap.cmd_mgr.cmd_list:
+                if (cmd_name == _cmd.name or cmd_name in _cmd.alias) and (_cmd.parent_class is None):
+                    cmd = _cmd
+                    break
+
+            if cmd is None:
+                yield entities.CommandReturn(error=errors.CommandNotFoundError(cmd_name))
+            else:
+                reply_str = f"{cmd.name}: {cmd.help}\n\n"
+                reply_str += f"使用方法: \n{cmd.usage}"
+
+                yield entities.CommandReturn(text=reply_str.strip())