build: drop python 3.9 support

.github/actions/setup-env/action.yml

@@ -6,7 +6,7 @@ inputs:
   python-version:
     description: The python version to install
     required: false
-    default: '3.9'
+    default: '3.10'
   use-cached-uv-lock:
     description: Whether to download the uv lock cache.
     required: false

.github/workflows/create-release-pr.yaml

@@ -45,7 +45,7 @@ jobs:
       - name: Set up environment
         uses: ./.github/actions/setup-env
         with:
-          python-version: 3.9
+          python-version: 3.10
 
       - name: Install dependencies
         run: uv sync --no-default-groups --group changelog

.github/workflows/release.yaml

@@ -25,7 +25,7 @@ jobs:
         id: setup
         uses: ./.github/actions/setup-env
         with:
-          python-version: 3.9
+          python-version: 3.10
 
       - name: Build package
         run: |

.readthedocs.yml

@@ -6,7 +6,7 @@ formats:
 build:
   os: ubuntu-24.04
   tools:
-    python: "3.9"
+    python: "3.10"
   jobs:
     create_environment:
       - asdf plugin add uv

README.md

@@ -26,7 +26,9 @@ Key Features
 Installing
 ----------
 
-**Python 3.9 or higher is required.**
+**Python 3.10 or higher is required.**
+
+(If you need python 3.8 or 3.9 support, please use `disnake<2.12`)
 
 To install the library without full voice support, you can just run the
 following command:

changelog/1394.breaking.rst

@@ -1 +1 @@
-Python 3.8 support has been dropped.
+Drop support for Python 3.8 and 3.9 as they are end of life.

changelog/1427.breaking.rst

@@ -0,0 +1 @@
+Drop support for Python 3.8 and 3.9 as they are end of life.

disnake/ext/commands/params.py

@@ -10,11 +10,11 @@
 import inspect
 import itertools
 import math
-import sys
 import types
 from abc import ABC, abstractmethod
 from dataclasses import dataclass
 from enum import Enum, EnumMeta
+from types import EllipsisType, UnionType
 from typing import (
     TYPE_CHECKING,
     Any,
@@ -87,16 +87,6 @@
     P = TypeVar("P")
 
 
-if sys.version_info >= (3, 10):
-    from types import EllipsisType, UnionType
-elif TYPE_CHECKING:
-    EllipsisType = type(Ellipsis)
-    UnionType = NoReturn
-
-else:
-    UnionType = object()
-    EllipsisType = type(Ellipsis)
-
 T = TypeVar("T", bound=Any)
 TypeT = TypeVar("TypeT", bound=Type[Any])
 BotT = TypeVar("BotT", bound="disnake.Client", covariant=True)
@@ -361,10 +351,8 @@ def __call__(self) -> NoReturn:
         raise NotImplementedError
 
     # support new union syntax for `Range[int, 1, 2] | None`
-    if sys.version_info >= (3, 10):
-
-        def __or__(self, other):
-            return Union[self, other]
+    def __or__(self, other):
+        return Union[self, other]
 
 
 if TYPE_CHECKING:

disnake/role.py

@@ -519,7 +519,7 @@ async def _move(self, position: int, reason: Optional[str]) -> None:
             roles.append(self.id)
 
         payload: List[RolePositionUpdate] = [
-            {"id": z[0], "position": z[1]} for z in zip(roles, change_range)
+            {"id": z[0], "position": z[1]} for z in zip(roles, change_range, strict=True)
         ]
         await http.move_role_position(self.guild.id, payload, reason=reason)
 

disnake/utils.py

@@ -19,6 +19,7 @@
 from bisect import bisect_left
 from inspect import getdoc as _getdoc, isawaitable as _isawaitable, signature as _signature
 from operator import attrgetter
+from types import UnionType
 from typing import (
     TYPE_CHECKING,
     Any,
@@ -43,7 +44,6 @@
     TypedDict,
     TypeVar,
     Union,
-    get_origin,
     overload,
 )
 from urllib.parse import parse_qs, urlencode
@@ -1146,24 +1146,6 @@ def as_chunks(iterator: _Iter[T], max_size: int) -> _Iter[List[T]]:
     return _chunk(iterator, max_size)
 
 
-if sys.version_info >= (3, 10):
-    PY_310 = True
-    from types import UnionType
-else:
-    PY_310 = False
-    UnionType = object()
-
-
-def flatten_literal_params(parameters: Iterable[Any]) -> Tuple[Any, ...]:
-    params = []
-    for p in parameters:
-        if get_origin(p) is Literal:
-            params.extend(_unique(flatten_literal_params(p.__args__)))
-        else:
-            params.append(p)
-    return tuple(params)
-
-
 def normalise_optional_params(parameters: Iterable[Any]) -> Tuple[Any, ...]:
     none_cls = type(None)
     return (*tuple(p for p in parameters if p is not none_cls), none_cls)
@@ -1237,8 +1219,6 @@ def evaluate_annotation(
             except ValueError:
                 pass
         if origin is Literal:
-            if not PY_310:
-                args = flatten_literal_params(tp.__args__)
             implicit_str = False
             is_literal = True
 

docs/intro.rst

@@ -15,7 +15,7 @@ in creating applications that utilise the Discord API.
 Prerequisites
 -------------
 
-disnake works with Python 3.9 or higher. Support for earlier versions of Python
+disnake works with Python 3.10 or higher. Support for earlier versions of Python
 is not provided. Python 2.7 or lower is not supported. Python 3.8 or lower is not supported.
 
 .. _installing:

noxfile.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env -S uv run --script
 # /// script
-# requires-python = ">=3.9"
+# requires-python = ">=3.10"
 # dependencies = [
 #     "nox==2025.5.1",
 # ]

pyproject.toml

@@ -11,7 +11,7 @@ readme = "README.md"
 authors = [
   { name = "Disnake Development" }
 ]
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 keywords = ["disnake", "discord", "discord api"]
 license = { text = "MIT" }
 dependencies = [
@@ -25,7 +25,6 @@ classifiers = [
     "Natural Language :: English",
     "Operating System :: OS Independent",
     # it is important that the python classifiers are sorted in the sequential order
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
@@ -214,6 +213,9 @@ ignore = [
     "UP006",
     "UP035",
     "FURB188",
+    # py 3.10 bump
+    "UP007",
+    "UP045",
 ]
 
 [tool.ruff.lint.per-file-ignores]

tests/test_colour.py

@@ -53,7 +53,9 @@ def test_from_rgb(value: int, parts: Tuple[int, int, int]) -> None:
 def test_from_hsv(value: int, parts: Tuple[float, float, float]) -> None:
     expected = Colour(value)
     col = Colour.from_hsv(*parts)
-    assert all(math.isclose(a, b, abs_tol=1) for a, b in zip(expected.to_rgb(), col.to_rgb()))
+    assert all(
+        math.isclose(a, b, abs_tol=1) for a, b in zip(expected.to_rgb(), col.to_rgb(), strict=True)
+    )
 
 
 def test_alias() -> None:

tests/test_utils.py

@@ -37,6 +37,8 @@
     # non-3.12 tests shouldn't be using this
     from typing import TypeAliasType
 
+NoneType = type(None)
+
 
 def test_missing() -> None:
     assert utils.MISSING != utils.MISSING
@@ -749,23 +751,6 @@ def test_as_chunks_size(max_size: int) -> None:
         utils.as_chunks(iter([]), max_size)
 
 
-@pytest.mark.parametrize(
-    ("params", "expected"),
-    [
-        ([], ()),
-        ([disnake.CommandInter, int, Optional[str]], (disnake.CommandInter, int, Optional[str])),
-        # check flattening + deduplication (both of these are done automatically in 3.9.1+)
-        ([float, Literal[1, 2, Literal[3, 4]], Literal["a", "bc"]], (float, 1, 2, 3, 4, "a", "bc")),  # noqa: RUF041
-        ([Literal[1, 1, 2, 3, 3]], (1, 2, 3)),
-    ],
-)
-def test_flatten_literal_params(params, expected) -> None:
-    assert utils.flatten_literal_params(params) == expected
-
-
-NoneType = type(None)
-
-
 @pytest.mark.parametrize(
     ("params", "expected"),
     [([NoneType], (NoneType,)), ([NoneType, int, NoneType, float], (int, float, NoneType))],

tests/ui/test_action_row.py

@@ -160,7 +160,7 @@ def test_rows_from_message(self) -> None:
 
         assert len(result) == len(rows)
         # compare component types and IDs
-        for actual, expected in zip(result, rows):
+        for actual, expected in zip(result, rows, strict=False):
             assert [(type(c), c.custom_id) for c in actual] == [
                 (type(c), c.custom_id) for c in expected
             ]
@@ -188,7 +188,7 @@ def test_walk_components(self) -> None:
 
         expected = [(row, component) for row in rows for component in row.children]
         for (act_row, act_cmp), (exp_row, exp_cmp) in zip(
-            ActionRow.walk_components(rows), expected
+            ActionRow.walk_components(rows), expected, strict=False
         ):
             # test mutation (rows)
             # (remove row below the one containing select1)