⚗️ add new builtin plugin

nonebot/plugins/echo.py

@@ -0,0 +1,28 @@
+from functools import reduce
+
+from nonebot.rule import to_me
+from nonebot.plugin import on_command
+from nonebot.permission import SUPERUSER
+from nonebot.adapters.cqhttp import Bot, unescape, MessageEvent, Message, MessageSegment
+
+say = on_command("say", to_me(), permission=SUPERUSER)
+
+
+@say.handle()
+async def say_unescape(bot: Bot, event: MessageEvent):
+
+    def _unescape(message: Message, segment: MessageSegment):
+        if segment.is_text():
+            return message.append(unescape(str(segment)))
+        return message.append(segment)
+
+    message = reduce(_unescape, event.get_message(), Message())  # type: ignore
+    await bot.send(message=message, event=event)
+
+
+echo = on_command("echo", to_me())
+
+
+@echo.handle()
+async def echo_escape(bot: Bot, event: MessageEvent):
+    await bot.send(message=event.get_message(), event=event)