feat: Upgrade to Python 3.12 (#4675)

Co-authored-by: Hayden <64056131+hay-kot@users.noreply.github.com>

mealie/core/release_checker.py

@@ -3,7 +3,7 @@ from functools import lru_cache
 
 import requests
 
-_LAST_RESET = None
+_LAST_RESET: datetime.datetime | None = None
 
 
 @lru_cache(maxsize=1)
@@ -32,7 +32,7 @@ def get_latest_version() -> str:
 
     global _LAST_RESET
 
-    now = datetime.datetime.now(datetime.timezone.utc)
+    now = datetime.datetime.now(datetime.UTC)
 
     if not _LAST_RESET or now - _LAST_RESET > datetime.timedelta(days=MAX_DAYS_OLD):
         _LAST_RESET = now

mealie/core/security/providers/auth_provider.py

@@ -1,5 +1,5 @@
 import abc
-from datetime import datetime, timedelta, timezone
+from datetime import UTC, datetime, timedelta
 from typing import Generic, TypeVar
 
 import jwt
@@ -45,7 +45,7 @@ class AuthProvider(Generic[T], metaclass=abc.ABCMeta):
         to_encode = data.copy()
         expires_delta = expires_delta or timedelta(hours=settings.TOKEN_TIME)
 
-        expire = datetime.now(timezone.utc) + expires_delta
+        expire = datetime.now(UTC) + expires_delta
 
         to_encode["exp"] = expire
         to_encode["iss"] = ISS

mealie/core/security/security.py

@@ -1,5 +1,5 @@
 import secrets
-from datetime import datetime, timedelta, timezone
+from datetime import UTC, datetime, timedelta
 from pathlib import Path
 
 import jwt
@@ -34,7 +34,7 @@ def create_access_token(data: dict, expires_delta: timedelta | None = None) -> s
     to_encode = data.copy()
     expires_delta = expires_delta or timedelta(hours=settings.TOKEN_TIME)
 
-    expire = datetime.now(timezone.utc) + expires_delta
+    expire = datetime.now(UTC) + expires_delta
 
     to_encode["exp"] = expire
     return jwt.encode(to_encode, settings.SECRET, algorithm=ALGORITHM)

mealie/core/settings/settings.py

@@ -1,7 +1,7 @@
 import logging
 import os
 import secrets
-from datetime import datetime, timezone
+from datetime import UTC, datetime
 from pathlib import Path
 from typing import Annotated, Any, NamedTuple
 
@@ -160,7 +160,7 @@ class AppSettings(AppLoggingSettings):
         local_tz = tzlocal()
         now = datetime.now(local_tz)
         local_time = now.replace(hour=local_hour, minute=local_minute)
-        utc_time = local_time.astimezone(timezone.utc)
+        utc_time = local_time.astimezone(UTC)
 
         self.logger.debug(f"Local time: {local_hour}:{local_minute} | UTC time: {utc_time.hour}:{utc_time.minute}")
         return ScheduleTime(utc_time.hour, utc_time.minute)