tgbg 解析 Telegram 聊天窗口背景图

list.json

@@ -349,6 +349,16 @@
             "supported": true,
             "des-short": "测速。",
             "des": "测速。\n指令：,speedtest"
+        },
+        {
+            "name": "tgbg",
+            "version": "1.0",
+            "section": "chat",
+            "maintainer": "xtaodada",
+            "size": "1.25 kb",
+            "supported": true,
+            "des-short": "解析 Telegram 聊天窗口背景图。",
+            "des": "解析 Telegram 聊天窗口背景图。\n指令：,tgbg"
         }
     ]
 }

tgbg/main.py

@@ -0,0 +1,27 @@
+from urllib.parse import urlparse
+
+from pyrogram.raw.functions.account import GetWallPaper
+from pyrogram.raw.types import InputWallPaperSlug, WallPaper
+from pyrogram.types.messages_and_media.document import Document
+
+from pagermaid.listener import listener
+from pagermaid.single_utils import Message
+
+
+@listener(command="tgbg", description="解析 Telegram 聊天窗口背景图",
+          parameters="t.me/bg/xxx")
+async def tg_bg(message: Message):
+    argument = message.obtain_message()
+    if url := urlparse(argument):
+        if path := url.path:
+            if url.hostname == "t.me" and path.startswith("/bg/"):
+                slug = path[4:]
+                try:
+                    bg: WallPaper = await message.bot.invoke(GetWallPaper(wallpaper=InputWallPaperSlug(slug=slug)))
+                except Exception as e:
+                    return await message.edit(f"获取失败: {str(e)}")
+                if bg.document:
+                    bg_doc = Document._parse(message.bot, document=bg.document, file_name="bg.jpg")  # noqa
+                    await message.bot.send_document(message.chat.id, bg_doc.file_id, file_name="bg.jpg")
+                    return await message.safe_delete()
+    await message.edit("获取失败，请检查 URL")