style: introduce ruff as linter and formatter (#1356)

* style: remove necessary imports

* style: fix F841

* style: fix F401

* style: fix F811

* style: fix E402

* style: fix E721

* style: fix E722

* style: fix E722

* style: fix F541

* style: ruff format

* style: all passed

* style: add ruff in deps

* style: more ignores in ruff.toml

* style: add pre-commit

res/scripts/publish_announcement.py

@@ -1,32 +1,32 @@
 # 输出工作路径
 import os
-print("工作路径: " + os.getcwd())
-announcement = input("请输入公告内容: ")
-
+import time
 import json
 
+print('工作路径: ' + os.getcwd())
+announcement = input('请输入公告内容: ')
+
 # 读取现有的公告文件 res/announcement.json
-with open("res/announcement.json", "r", encoding="utf-8") as f:
+with open('res/announcement.json', 'r', encoding='utf-8') as f:
     announcement_json = json.load(f)
 
 # 将公告内容写入公告文件
 
 # 当前自然时间
-import time
-now = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())
+now = time.strftime('%Y-%m-%d %H:%M:%S', time.localtime())
 
 # 获取最后一个公告的id
-last_id = announcement_json[-1]["id"] if len(announcement_json) > 0 else -1
+last_id = announcement_json[-1]['id'] if len(announcement_json) > 0 else -1
 
 announcement = {
-    "id": last_id + 1,
-    "time": now,
-    "timestamp": int(time.time()),
-    "content": announcement
+    'id': last_id + 1,
+    'time': now,
+    'timestamp': int(time.time()),
+    'content': announcement,
 }
 
 announcement_json.append(announcement)
 
 # 将公告写入公告文件
-with open("res/announcement.json", "w", encoding="utf-8") as f:
+with open('res/announcement.json', 'w', encoding='utf-8') as f:
     json.dump(announcement_json, f, indent=4, ensure_ascii=False)