添加图像黑白

konabot/plugins/errman.py

@@ -0,0 +1,45 @@
+from typing import Any
+
+from nonebot.adapters import Bot
+from nonebot.matcher import Matcher
+from nonebot.message import run_postprocessor
+from nonebot_plugin_alconna import UniMessage
+from returns.primitives.exceptions import UnwrapFailedError
+
+from konabot.common.nb.exc import BotExceptionMessage
+
+
+@run_postprocessor
+async def _(bot: Bot, matcher: Matcher, exc: BotExceptionMessage | AssertionError | UnwrapFailedError):
+    if isinstance(exc, BotExceptionMessage):
+        msg = exc.msg
+        await matcher.send(await msg.export(bot))
+    if isinstance(exc, AssertionError):
+        if exc.args:
+            err_msg = exc.args[0]
+
+            err_msg_res: UniMessage
+            if isinstance(err_msg, str):
+                err_msg_res = UniMessage().text(err_msg)
+            elif isinstance(err_msg, UniMessage):
+                err_msg_res = err_msg
+            else:
+                return
+
+            await matcher.send(await err_msg_res.export(bot))
+    if isinstance(exc, UnwrapFailedError):
+        obj = exc.halted_container
+        try:
+            failure: Any = obj.failure()
+
+            err_msg_res: UniMessage
+            if isinstance(failure, str):
+                err_msg_res = UniMessage().text(failure)
+            elif isinstance(failure, UniMessage):
+                err_msg_res = failure
+            else:
+                return
+
+            await matcher.send(await err_msg_res.export(bot))
+        except:
+            pass

konabot/plugins/image_process/__init__.py

@@ -0,0 +1,13 @@
+from nonebot import on_message
+from nonebot.adapters import Bot
+
+from konabot.common.nb.extract_image import PIL_Image
+from konabot.common.nb.match_keyword import match_keyword
+from konabot.common.nb.reply_image import reply_image
+
+cmd_black_white = on_message(rule=match_keyword("黑白"))
+
+
+@cmd_black_white.handle()
+async def _(img: PIL_Image, bot: Bot):
+    await reply_image(cmd_black_white, bot, img.convert("LA"))