Drop support for python3.9 (#948)

2ykwang · pre-commit-ci[bot] · web-flow · commit ed72f144d3ea · 2025-11-16T19:37:57.000+09:00
* Drop support for `python3.9` refs: - https://devguide.python.org/versions/ * [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci * [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci --------- Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
@@ -18,7 +18,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v6
         with:
-          python-version: '3.9'
+          python-version: '3.10'
 
       - name: Install dependencies
         run: |
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
@@ -15,7 +15,7 @@ jobs:
       fail-fast: false
       max-parallel: 5
       matrix:
-        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
+        python-version: ['3.10', '3.11', '3.12', '3.13']
         django-version: ['4.2', '5.0', '5.1', '5.2']
         drf-version: ['3.14', '3.15']
         exclude:
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
@@ -51,7 +51,7 @@ repos:
   rev: 'v3.20.0'
   hooks:
   - id: pyupgrade
-    args: ['--py39-plus', '--keep-mock']
+    args: ['--py310-plus', '--keep-mock']
 
 - repo: https://github.com/Lucas-C/pre-commit-hooks-markup
   rev: v1.0.1
diff --git a/docs/development_and_contributing.rst b/docs/development_and_contributing.rst
@@ -31,9 +31,9 @@ directory:
 
 .. code-block:: bash
 
-  pyenv install 3.9.x
+  pyenv install 3.10.x
   cat > .python-version <<EOF
-  3.9.x
+  3.10.x
   EOF
 
 Above, the ``x`` in each case should be replaced with the latest corresponding
diff --git a/docs/getting_started.rst b/docs/getting_started.rst
@@ -6,7 +6,7 @@ Getting started
 Requirements
 ------------
 
-* Python (3.9, 3.10, 3.11, 3.12, 3.13)
+* Python (3.10, 3.11, 3.12, 3.13)
 * Django (4.2, 5.0, 5.1)
 * Django REST Framework (3.14, 3.15)
 
diff --git a/rest_framework_simplejwt/authentication.py b/rest_framework_simplejwt/authentication.py
@@ -41,7 +41,7 @@ def __init__(self, *args, **kwargs) -> None:
         super().__init__(*args, **kwargs)
         self.user_model = get_user_model()
 
-    def authenticate(self, request: Request) -> Optional[tuple[AuthUser, Token]]:
+    def authenticate(self, request: Request) -> tuple[AuthUser, Token] | None:
         header = self.get_header(request)
         if header is None:
             return None
@@ -73,7 +73,7 @@ def get_header(self, request: Request) -> bytes:
 
         return header
 
-    def get_raw_token(self, header: bytes) -> Optional[bytes]:
+    def get_raw_token(self, header: bytes) -> bytes | None:
         """
         Extracts an unvalidated JSON web token from the given "Authorization"
         header value.
@@ -176,7 +176,7 @@ def get_user(self, validated_token: Token) -> AuthUser:
 JWTTokenUserAuthentication = JWTStatelessUserAuthentication
 
 
-def default_user_authentication_rule(user: Optional[AuthUser]) -> bool:
+def default_user_authentication_rule(user: AuthUser | None) -> bool:
     # Prior to Django 1.10, inactive users could be authenticated with the
     # default `ModelBackend`.  As of Django 1.10, the `ModelBackend`
     # prevents inactive users from authenticating.  App designers can still
diff --git a/rest_framework_simplejwt/backends.py b/rest_framework_simplejwt/backends.py
@@ -41,13 +41,13 @@ class TokenBackend:
     def __init__(
         self,
         algorithm: str,
-        signing_key: Optional[str] = None,
+        signing_key: str | None = None,
         verifying_key: str = "",
-        audience: Union[str, Iterable, None] = None,
-        issuer: Optional[str] = None,
-        jwk_url: Optional[str] = None,
-        leeway: Union[float, int, timedelta, None] = None,
-        json_encoder: Optional[type[json.JSONEncoder]] = None,
+        audience: str | Iterable | None = None,
+        issuer: str | None = None,
+        jwk_url: str | None = None,
+        leeway: float | int | timedelta | None = None,
+        json_encoder: type[json.JSONEncoder] | None = None,
     ) -> None:
         self._validate_algorithm(algorithm)
 
@@ -73,7 +73,7 @@ def prepared_signing_key(self) -> Any:
     def prepared_verifying_key(self) -> Any:
         return self._prepare_key(self.verifying_key)
 
-    def _prepare_key(self, key: Optional[str]) -> Any:
+    def _prepare_key(self, key: str | None) -> Any:
         # Support for PyJWT 1.7.1 or empty signing key
         if key is None or not getattr(jwt.PyJWS, "get_algorithm_by_name", None):
             return key
diff --git a/rest_framework_simplejwt/exceptions.py b/rest_framework_simplejwt/exceptions.py
@@ -26,8 +26,8 @@ class DetailDictMixin:
 
     def __init__(
         self,
-        detail: Union[dict[str, Any], str, None] = None,
-        code: Optional[str] = None,
+        detail: dict[str, Any] | str | None = None,
+        code: str | None = None,
     ) -> None:
         """
         Builds a detail dictionary for the error to give more information to API
diff --git a/rest_framework_simplejwt/models.py b/rest_framework_simplejwt/models.py
@@ -84,16 +84,16 @@ def groups(self) -> auth_models.Group:
     def user_permissions(self) -> auth_models.Permission:
         return self._user_permissions
 
-    def get_group_permissions(self, obj: Optional[object] = None) -> set:
+    def get_group_permissions(self, obj: object | None = None) -> set:
         return set()
 
-    def get_all_permissions(self, obj: Optional[object] = None) -> set:
+    def get_all_permissions(self, obj: object | None = None) -> set:
         return set()
 
-    def has_perm(self, perm: str, obj: Optional[object] = None) -> bool:
+    def has_perm(self, perm: str, obj: object | None = None) -> bool:
         return False
 
-    def has_perms(self, perm_list: list[str], obj: Optional[object] = None) -> bool:
+    def has_perms(self, perm_list: list[str], obj: object | None = None) -> bool:
         return False
 
     def has_module_perms(self, module: str) -> bool:
@@ -110,6 +110,6 @@ def is_authenticated(self) -> bool:
     def get_username(self) -> str:
         return self.username
 
-    def __getattr__(self, attr: str) -> Optional[Any]:
+    def __getattr__(self, attr: str) -> Any | None:
         """This acts as a backup attribute getter for custom claims defined in Token serializers."""
         return self.token.get(attr, None)
diff --git a/rest_framework_simplejwt/serializers.py b/rest_framework_simplejwt/serializers.py
@@ -31,7 +31,7 @@ def __init__(self, *args, **kwargs) -> None:
 
 class TokenObtainSerializer(serializers.Serializer):
     username_field = get_user_model().USERNAME_FIELD
-    token_class: Optional[type[Token]] = None
+    token_class: type[Token] | None = None
 
     default_error_messages = {
         "no_active_account": _("No active account found with the given credentials")
@@ -264,9 +264,9 @@ def validate(self, attrs: dict[str, Any]) -> dict[Any, Any]:
         return {}
 
 
-def default_on_login_success(user: AuthUser, request: Optional[Request]) -> None:
+def default_on_login_success(user: AuthUser, request: Request | None) -> None:
     update_last_login(None, user)
 
 
-def default_on_login_failed(credentials: dict, request: Optional[Request]) -> None:
+def default_on_login_failed(credentials: dict, request: Request | None) -> None:
     pass
diff --git a/rest_framework_simplejwt/token_blacklist/admin.py b/rest_framework_simplejwt/token_blacklist/admin.py
@@ -44,7 +44,7 @@ def has_delete_permission(self, *args, **kwargs) -> bool:
         return False
 
     def has_change_permission(
-        self, request: Request, obj: Optional[object] = None
+        self, request: Request, obj: object | None = None
     ) -> bool:
         return request.method in ["GET", "HEAD"] and super().has_change_permission(
             request, obj
diff --git a/rest_framework_simplejwt/tokens.py b/rest_framework_simplejwt/tokens.py
@@ -40,8 +40,8 @@ class Token:
     new JWT.
     """
 
-    token_type: Optional[str] = None
-    lifetime: Optional[timedelta] = None
+    token_type: str | None = None
+    lifetime: timedelta | None = None
 
     def __init__(self, token: Optional["Token"] = None, verify: bool = True) -> None:
         """
@@ -96,7 +96,7 @@ def __delitem__(self, key: str) -> None:
     def __contains__(self, key: str) -> Any:
         return key in self.payload
 
-    def get(self, key: str, default: Optional[Any] = None) -> Any:
+    def get(self, key: str, default: Any | None = None) -> Any:
         return self.payload.get(key, default)
 
     def __str__(self) -> str:
@@ -155,8 +155,8 @@ def set_jti(self) -> None:
     def set_exp(
         self,
         claim: str = "exp",
-        from_time: Optional[datetime] = None,
-        lifetime: Optional[timedelta] = None,
+        from_time: datetime | None = None,
+        lifetime: timedelta | None = None,
     ) -> None:
         """
         Updates the expiration time of a token.
@@ -172,7 +172,7 @@ def set_exp(
 
         self.payload[claim] = datetime_to_epoch(from_time + lifetime)
 
-    def set_iat(self, claim: str = "iat", at_time: Optional[datetime] = None) -> None:
+    def set_iat(self, claim: str = "iat", at_time: datetime | None = None) -> None:
         """
         Updates the time at which the token was issued.
 
@@ -185,7 +185,7 @@ def set_iat(self, claim: str = "iat", at_time: Optional[datetime] = None) -> Non
         self.payload[claim] = datetime_to_epoch(at_time)
 
     def check_exp(
-        self, claim: str = "exp", current_time: Optional[datetime] = None
+        self, claim: str = "exp", current_time: datetime | None = None
     ) -> None:
         """
         Checks whether a timestamp value in the given claim has passed (since
@@ -205,7 +205,7 @@ def check_exp(
         if claim_time <= current_time - leeway:
             raise TokenError(format_lazy(_("Token '{}' claim has expired"), claim))
 
-    def outstand(self) -> Optional[OutstandingToken]:
+    def outstand(self) -> OutstandingToken | None:
         """
         Ensures this token is included in the outstanding token list and
         adds it to the outstanding token list if not.
@@ -306,7 +306,7 @@ def blacklist(self) -> BlacklistedToken:
 
             return BlacklistedToken.objects.get_or_create(token=token)
 
-        def outstand(self) -> Optional[OutstandingToken]:
+        def outstand(self) -> OutstandingToken | None:
             """
             Ensures this token is included in the outstanding token list and
             adds it to the outstanding token list if not.
diff --git a/rest_framework_simplejwt/utils.py b/rest_framework_simplejwt/utils.py
@@ -1,8 +1,8 @@
 import hashlib
 import logging
 from calendar import timegm
+from collections.abc import Callable
 from datetime import datetime, timezone
-from typing import Callable
 
 from django.conf import settings
 from django.utils.functional import lazy
diff --git a/rest_framework_simplejwt/views.py b/rest_framework_simplejwt/views.py
@@ -15,7 +15,7 @@ class TokenViewBase(generics.GenericAPIView):
     permission_classes = ()
     authentication_classes = ()
 
-    serializer_class: Optional[type[BaseSerializer]] = None
+    serializer_class: type[BaseSerializer] | None = None
     _serializer_class = ""
 
     www_authenticate_realm = "api"
diff --git a/setup.py b/setup.py
@@ -68,7 +68,7 @@
         "djangorestframework>=3.14",
         "pyjwt>=1.7.1",
     ],
-    python_requires=">=3.9",
+    python_requires=">=3.10",
     extras_require=extras_require,
     packages=find_packages(exclude=["tests", "tests.*", "licenses", "requirements"]),
     include_package_data=True,
@@ -86,7 +86,6 @@
         "Operating System :: OS Independent",
         "Programming Language :: Python",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
diff --git a/tests/test_migrations.py b/tests/test_migrations.py
@@ -20,7 +20,7 @@ def test_no_missing_migrations(self):
         output = StringIO()
 
         # Initialize exception variable to track migration check result
-        exec: Optional[SystemExit] = None
+        exec: SystemExit | None = None
 
         try:
             # Check for pending migrations without actually creating them
diff --git a/tox.ini b/tox.ini
@@ -1,14 +1,13 @@
 [tox]
 envlist=
-    py{39,310,311,312}-dj42-drf{314,315}-pyjwt{171,2}-tests
+    py{310,311,312}-dj42-drf{314,315}-pyjwt{171,2}-tests
     py{310,311,312}-dj50-drf315-pyjwt{171,2}-tests
     py{310,311,312,313}-dj51-drf315-pyjwt{171,2}-tests
     py{311,312,313}-dj52-drf315-pyjwt{171,2}-tests
     docs
 
 [gh-actions]
 python=
-    3.9: py39
     3.10: py310
     3.11: py311
     3.12: py312, docs
