去除未使用的函数

konabot/plugins/ytpgif/__init__.py

@@ -1,18 +1,11 @@
 from io import BytesIO
-from typing import Optional
 
-from PIL import Image
 from loguru import logger
-from nonebot.adapters import Event as BaseEvent
 from nonebot.adapters import Bot as BaseBot
+from nonebot.adapters import Event as BaseEvent
 from nonebot.plugin import PluginMetadata
-from nonebot_plugin_alconna import (
-    Alconna,
-    Args,
-    Field,
-    UniMessage,
-    on_alconna,
-)
+from nonebot_plugin_alconna import Alconna, Args, Field, UniMessage, on_alconna
+from PIL import Image
 from returns.result import Failure, Success
 
 from konabot.common.nb.extract_image import extract_image_from_message
@@ -57,29 +50,6 @@ ytpgif_cmd = on_alconna(
 )
 
 
-async def get_image_url(event: BaseEvent) -> Optional[str]:
-    """从事件中提取图片 URL，支持直接消息和回复"""
-    msg = event.get_message()
-    for seg in msg:
-        if seg.type == "image" and seg.data.get("url"):
-            return str(seg.data["url"])
-
-    if hasattr(event, "reply") and (reply := getattr(event, "reply")):
-        reply_msg = reply.message
-        for seg in reply_msg:
-            if seg.type == "image" and seg.data.get("url"):
-                return str(seg.data["url"])
-    return None
-
-
-async def download_image(url: str) -> bytes:
-    import httpx
-    async with httpx.AsyncClient() as client:
-        resp = await client.get(url, timeout=10)
-        resp.raise_for_status()
-        return resp.content
-
-
 def resize_frame(frame: Image.Image) -> Image.Image:
     """缩放图像，保持宽高比，不超过 MAX_SIZE"""
     w, h = frame.size