refactor: merge collapsible with statements (#25)

Nested `with` statements can be merged into a single compound `with` statement.

This issue is raised only when there are no other statements between the nested `with` statements.
Merging collapsible `with` statements can decrease cognitive complexity, improving code readability.

Co-authored-by: deepsource-autofix[bot] <62050782+deepsource-autofix[bot]@users.noreply.github.com>

src/plugins/ncm/data_source.py

@@ -327,11 +327,9 @@ async def download(self, ids: list, check=False, lid=0, is_zip=False):  # 下载
                 music.update(config, Q["id"] == nid)
             else:
                 music.insert(config)
-            async with httpx.AsyncClient() as client:  # 下载歌曲
-                async with client.stream("GET", url=url) as r:
-                    async with async_open(file, "wb") as out_file:
-                        async for chunk in r.aiter_bytes():
-                            await out_file.write(chunk)
+            async with httpx.AsyncClient() as client, client.stream("GET", url=url) as r, async_open(file, "wb") as out_file:
+                async for chunk in r.aiter_bytes():
+                    await out_file.write(chunk)
             logger.debug(f"Download:{filename}")
         if is_zip:
             await self.get_zip(lid=lid, filenames=filenames)

src/plugins/nonebot_plugin_charpic/data_source.py

@@ -82,7 +82,6 @@ async def get_char_frame(text: str, w: int, h: int, font_):
 async def get_img(img_url: str):
     if not img_url:
         return
-    async with aiohttp.ClientSession() as session:
-        async with session.get(img_url) as resp:
-            result = await resp.read()
+    async with aiohttp.ClientSession() as session, session.get(img_url) as resp:
+        result = await resp.read()
     return Image.open(io.BytesIO(result)) if result else None

src/plugins/nonebot_plugin_githubcard/data_source.py

@@ -24,10 +24,9 @@ async def get_github_reposity_information(url: str) -> str:
         UserName, RepoName = url.replace("https://github.com/", "").split("/")
     except Exception:
         UserName, RepoName = url.replace("github.com/", "").split("/")
-    async with aiohttp.ClientSession() as session:
-        async with session.get(f"https://api.github.com/users/{UserName}",
-                               headers=headers,
-                               timeout=5) as response:
-            RawData = await response.json()
-            AvatarUrl = RawData["avatar_url"]
-            return f"https://image.thum.io/get/width/1280/crop/640/viewportWidth/1280/png/noanimate/https://socialify.git.ci/{UserName}/{RepoName}/image?description=1&font=Source%20Code%20Pro&forks=1&issues=1&language=1&name=1&owner=1&pattern=Charlie%20Brown&pulls=1&stargazers=1&theme=Dark&logo={AvatarUrl}"
+    async with aiohttp.ClientSession() as session, session.get(f"https://api.github.com/users/{UserName}",
+                                                               headers=headers,
+                                                               timeout=5) as response:
+        RawData = await response.json()
+        AvatarUrl = RawData["avatar_url"]
+        return f"https://image.thum.io/get/width/1280/crop/640/viewportWidth/1280/png/noanimate/https://socialify.git.ci/{UserName}/{RepoName}/image?description=1&font=Source%20Code%20Pro&forks=1&issues=1&language=1&name=1&owner=1&pattern=Charlie%20Brown&pulls=1&stargazers=1&theme=Dark&logo={AvatarUrl}"