Drop support for Python 3.8 (#351)

Author: Kludex

.github/workflows/main.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
     steps:
       - uses: actions/checkout@v4
 

mangum/handlers/alb.py

@@ -1,7 +1,8 @@
 from __future__ import annotations
 
+from collections.abc import Generator
 from itertools import islice
-from typing import Any, Generator
+from typing import Any
 from urllib.parse import unquote, unquote_plus, urlencode
 
 from mangum.handlers.utils import (

mangum/types.py

@@ -1,19 +1,11 @@
 from __future__ import annotations
 
-from typing import (
-    Any,
-    Awaitable,
-    Callable,
-    Dict,
-    List,
-    MutableMapping,
-    Sequence,
-    Union,
-)
+from collections.abc import Awaitable, MutableMapping, Sequence
+from typing import Any, Callable, Union
 
 from typing_extensions import Literal, Protocol, TypeAlias, TypedDict
 
-LambdaEvent = Dict[str, Any]
+LambdaEvent = dict[str, Any]
 QueryParams: TypeAlias = MutableMapping[str, Union[str, Sequence[str]]]
 
 
@@ -92,7 +84,7 @@ def get_remaining_time_in_millis(self) -> int:
         ...  # pragma: no cover
 
 
-Headers: TypeAlias = List[List[bytes]]
+Headers: TypeAlias = list[list[bytes]]
 Message: TypeAlias = MutableMapping[str, Any]
 Scope: TypeAlias = MutableMapping[str, Any]
 Receive: TypeAlias = Callable[[], Awaitable[Message]]

pyproject.toml

@@ -11,12 +11,11 @@ authors = [
 ]
 description = "AWS Lambda support for ASGI applications"
 readme = "README.md"
-requires-python = ">=3.7"
+requires-python = ">=3.9"
 classifiers = [
     "License :: OSI Approved :: MIT License",
     "Operating System :: OS Independent",
     "Programming Language :: Python",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
@@ -33,8 +32,7 @@ dev-dependencies = [
     "ruff",
     "starlette",
     "quart",
-    "hypercorn<0.15.0; python_version < '3.8'",
-    "hypercorn>=0.15.0; python_version >= '3.8'",
+    "hypercorn>=0.15.0",
     "mypy",
     "brotli",
     "brotli-asgi",