完成 Ruff 全量清理

utils/logger.py

@@ -8,7 +8,7 @@ import os
 import re
 import shutil
 import sys
-from datetime import datetime, timedelta
+from datetime import UTC, datetime, timedelta
 from logging.handlers import BaseRotatingHandler
 from pathlib import Path
 
@@ -35,7 +35,9 @@ def _parse_positive_int(value: str | None, default: int) -> int:
 
 def _parse_size(value: str | None, default: int = _DEFAULT_ROTATION_SIZE) -> int:
     """解析 50M、1GiB 等易读大小；非法值保持安全默认值。"""
-    matched = re.fullmatch(r"\s*(\d+)\s*([kmgt]?i?b?)?\s*", str(value or ""), re.IGNORECASE)
+    matched = re.fullmatch(
+        r"\s*(\d+)\s*([kmgt]?i?b?)?\s*", str(value or ""), re.IGNORECASE
+    )
     if not matched:
         return default
     amount = int(matched.group(1))
@@ -101,7 +103,7 @@ class _SizeAndDayRotatingFileHandler(BaseRotatingHandler):
         super().__init__(str(filename), "a", encoding="utf-8", delay=True)
         self.max_bytes = max_bytes
         self.retention_days = retention_days
-        self._active_day = datetime.now().date()
+        self._active_day = datetime.now(UTC).date()
         path = Path(filename)
         self._log_dir = path.parent
         self._suffix = path.suffix
@@ -113,7 +115,7 @@ class _SizeAndDayRotatingFileHandler(BaseRotatingHandler):
         )
 
     def shouldRollover(self, record: logging.LogRecord) -> bool:
-        if datetime.now().date() != self._active_day:
+        if datetime.now(UTC).date() != self._active_day:
             return True
         if self.stream is None:
             self.stream = self._open()
@@ -126,7 +128,7 @@ class _SizeAndDayRotatingFileHandler(BaseRotatingHandler):
             self.stream.close()
             self.stream = None
         source = Path(self.baseFilename)
-        current_day = datetime.now().date()
+        current_day = datetime.now(UTC).date()
         if current_day != self._active_day:
             # 每日文件本身已带日期，跨日时直接切换到新文件，无需再移动旧文件。
             self.baseFilename = os.fspath(self._path_for_day(current_day).resolve())
@@ -134,7 +136,7 @@ class _SizeAndDayRotatingFileHandler(BaseRotatingHandler):
             self._delete_expired_archives()
             return
         if source.exists() and source.stat().st_size:
-            stamp = datetime.now().strftime("%Y-%m-%d_%H-%M-%S")
+            stamp = datetime.now(UTC).strftime("%Y-%m-%d_%H-%M-%S")
             archive = source.with_name(f"{source.name}.{stamp}.{os.getpid()}.gz")
             sequence = 1
             while archive.exists():
@@ -148,10 +150,10 @@ class _SizeAndDayRotatingFileHandler(BaseRotatingHandler):
         self._delete_expired_archives()
 
     def _delete_expired_archives(self) -> None:
-        cutoff = datetime.now() - timedelta(days=self.retention_days)
+        cutoff = datetime.now(UTC) - timedelta(days=self.retention_days)
         for archive in self._log_dir.glob(f"{self._filename_prefix}-*.log*.gz"):
             try:
-                if datetime.fromtimestamp(archive.stat().st_mtime) < cutoff:
+                if datetime.fromtimestamp(archive.stat().st_mtime, UTC) < cutoff:
                     archive.unlink()
             except OSError:
                 continue
@@ -226,7 +228,7 @@ def setup_logger(
     if log_file:
         file_path = Path(log_file).expanduser()
     elif log_dir:
-        file_path = Path(log_dir).expanduser() / f"app-{datetime.now():%Y-%m-%d}.log"
+        file_path = Path(log_dir).expanduser() / f"app-{datetime.now(UTC):%Y-%m-%d}.log"
     else:
         return
     file_path.parent.mkdir(parents=True, exist_ok=True)