style: 统一 Ruff 代码格式

web/backend/services/account_service.py

@@ -8,27 +8,31 @@ from sqlalchemy.orm import Session
 from ..models import Account, LoginTask
 
 
-EMAIL_PATTERN = re.compile(r'^[^\s@|]+@[^\s@|]+\.[^\s@|]+$')
+EMAIL_PATTERN = re.compile(r"^[^\s@|]+@[^\s@|]+\.[^\s@|]+$")
 
 
 def split_account_line(line: str) -> list[str]:
     """拆分一行账号文本，支持 |、tab、逗号、空格分隔。"""
-    if '|' in line:
-        return line.split('|')
-    if '\t' in line:
-        return line.split('\t')
-    if ',' in line:
+    if "|" in line:
+        return line.split("|")
+    if "\t" in line:
+        return line.split("\t")
+    if "," in line:
         return next(csv.reader([line]))
     return line.split()
 
 
 def cookie_account_ids_query(db: Session):
     """返回有成功登录记录(cookie非空)的账号ID子查询。"""
-    return db.query(LoginTask.account_id).filter(
-        LoginTask.status == 'success',
-        LoginTask.cookie != '',
-        LoginTask.cookie.isnot(None),
-    ).distinct()
+    return (
+        db.query(LoginTask.account_id)
+        .filter(
+            LoginTask.status == "success",
+            LoginTask.cookie != "",
+            LoginTask.cookie.isnot(None),
+        )
+        .distinct()
+    )
 
 
 def parse_and_build_accounts(
@@ -61,9 +65,9 @@ def parse_and_build_accounts(
     skipped = 0
     duplicated = 0
     seen_in_batch: set[str] = set()
-    for line in text.strip().split('\n'):
+    for line in text.strip().split("\n"):
         line = line.strip()
-        if not line or line.startswith('#'):
+        if not line or line.startswith("#"):
             continue
         parts = split_account_line(line)
         if len(parts) < 4:
@@ -88,14 +92,16 @@ def parse_and_build_accounts(
         seen_in_batch.add(username_key)
 
         email_cfg = get_email_config_for_account(email)
-        accounts.append(Account(
-            username=username,
-            password=password,
-            email=email,
-            email_password=email_password,
-            email_imap_server=email_cfg['server'],
-            email_imap_port=email_cfg.get('port', 993),
-            email_imap_ssl=email_cfg.get('ssl', True),
-            tag=tag,
-        ))
+        accounts.append(
+            Account(
+                username=username,
+                password=password,
+                email=email,
+                email_password=email_password,
+                email_imap_server=email_cfg["server"],
+                email_imap_port=email_cfg.get("port", 993),
+                email_imap_ssl=email_cfg.get("ssl", True),
+                tag=tag,
+            )
+        )
     return accounts, skipped, duplicated