fix: 尝试修复 emby 头像路径，异步化所有文件操作

utils.py

@@ -0,0 +1,33 @@
+from pathlib import Path
+
+import aiofiles
+import httpx
+from aiofiles.base import AiofilesContextManager
+from aiofiles.os import makedirs
+from aiofiles.ospath import exists
+from aiofiles.threadpool.text import AsyncTextIOWrapper
+from bilibili_api import HEADERS
+
+client = httpx.AsyncClient(headers=HEADERS)
+
+
+async def download_content(url: str, path: Path) -> None:
+    async with client.stream("GET", url) as resp, aopen(path, "wb") as f:
+        async for chunk in resp.aiter_bytes(40960):
+            if not chunk:
+                return
+            await f.write(chunk)
+
+
+async def aexists(path: Path) -> bool:
+    return await exists(path)
+
+
+async def amakedirs(path: Path, exist_ok=False) -> None:
+    await makedirs(path, parents=True, exist_ok=exist_ok)
+
+
+def aopen(
+    path: Path, mode: str = "r", **kwargs
+) -> AiofilesContextManager[None, None, AsyncTextIOWrapper]:
+    return aiofiles.open(path, mode, **kwargs)