Drop Python 3.8, 3.9 and support 3.13, 3.14

This also fixes the various mypy issues with the codebase such that it passes.

Author: pgjones

.github/workflows/ci.yml

@@ -14,15 +14,15 @@ jobs:
  fail-fast: false
  matrix:
  include:
+ - {name: '3.14', python: '3.14', tox: py314}
+ - {name: '3.13', python: '3.13', tox: py313}
  - {name: '3.12', python: '3.12', tox: py312}
  - {name: '3.11', python: '3.11', tox: py311}
  - {name: '3.10', python: '3.10', tox: py310}
- - {name: '3.9', python: '3.9', tox: py39}
- - {name: '3.8', python: '3.8', tox: py38}
- - {name: 'format', python: '3.12', tox: format}
- - {name: 'mypy', python: '3.12', tox: mypy}
- - {name: 'pep8', python: '3.12', tox: pep8}
- - {name: 'package', python: '3.12', tox: package}
+ - {name: 'format', python: '3.14', tox: format}
+ - {name: 'mypy', python: '3.14', tox: mypy}
+ - {name: 'pep8', python: '3.14', tox: pep8}
+ - {name: 'package', python: '3.14', tox: package}
 
  steps:
  - uses: actions/checkout@v4
@@ -56,7 +56,7 @@ jobs:
 
  - uses: actions/setup-python@v5
  with:
- python-version: "3.12"
+ python-version: "3.14"
 
  - name: update pip
  run: |
@@ -92,7 +92,7 @@ jobs:
 
  - uses: actions/setup-python@v5
  with:
- python-version: "3.10"
+ python-version: "3.14"
 
  - name: update pip
  run: |

.github/workflows/publish.yml

@@ -11,7 +11,7 @@ jobs:
 
  - uses: actions/setup-python@v3
  with:
- python-version: 3.12
+ python-version: 3.14
 
  - run: |
  pip install pdm

.readthedocs.yaml

@@ -1,9 +1,9 @@
 version: 2
 
 build:
- os: ubuntu-22.04
+ os: ubuntu-24.04
  tools:
- python: "3.11"
+ python: "3.14"
 
 python:
  install:

README.rst

@@ -37,8 +37,6 @@ Hypercorn can be installed via `pip
 
  $ pip install hypercorn
 
-and requires Python 3.8 or higher.
-
 With hypercorn installed ASGI frameworks (or apps) can be served via
 Hypercorn via the command line,
 

docs/tutorials/installation.rst

@@ -3,7 +3,7 @@
 Installation
 ============
 
-Hypercorn is only compatible with Python 3.8 or higher and can be
+Hypercorn is only compatible with Python 3.10 or higher and can be
 installed using pip or your favorite python package manager.
 
 .. code-block:: sh

pyproject.toml

@@ -13,11 +13,11 @@ classifiers = [
  "Operating System :: OS Independent",
  "Programming Language :: Python",
  "Programming Language :: Python :: 3",
- "Programming Language :: Python :: 3.8",
- "Programming Language :: Python :: 3.9",
  "Programming Language :: Python :: 3.10",
  "Programming Language :: Python :: 3.11",
  "Programming Language :: Python :: 3.12",
+ "Programming Language :: Python :: 3.13",
+ "Programming Language :: Python :: 3.14",
  "Topic :: Internet :: WWW/HTTP :: Dynamic Content",
  "Topic :: Software Development :: Libraries :: Python Modules",
 ]
@@ -28,15 +28,15 @@ repository = "https://github.com/pgjones/hypercorn/"
 dependencies = [
  "exceptiongroup >= 1.1.0; python_version < '3.11'",
  "h11",
- "h2 >= 3.1.0",
+ "h2 >= 4.3.0",
  "priority",
  "taskgroup; python_version < '3.11'",
  "tomli; python_version < '3.11'",
  "typing_extensions; python_version < '3.11'",
  "wsproto >= 0.14.0"
 ]
 documentation = "https://hypercorn.readthedocs.io"
-requires-python = ">=3.8"
+requires-python = ">=3.10"
 
 [project.optional-dependencies]
 docs = ["pydata_sphinx_theme", "sphinxcontrib_mermaid"]
@@ -60,7 +60,7 @@ hypercorn = "hypercorn.__main__:main"
 
 [tool.black]
 line-length = 100
-target-version = ["py38"]
+target-version = ["py310"]
 
 [tool.isort]
 combine_as_imports = true

src/hypercorn/__main__.py

@@ -4,15 +4,14 @@
 import ssl
 import sys
 import warnings
-from typing import List, Optional
 
 from .config import Config
 from .run import run
 
 sentinel = object()
 
 
-def _load_config(config_path: Optional[str]) -> Config:
+def _load_config(config_path: str | None) -> Config:
  if config_path is None:
  return Config()
  elif config_path.startswith("python:"):
@@ -23,7 +22,7 @@ def _load_config(config_path: Optional[str]) -> Config:
  return Config.from_toml(config_path)
 
 
-def main(sys_args: Optional[List[str]] = None) -> int:
+def main(sys_args: list[str] | None = None) -> int:
  parser = argparse.ArgumentParser()
  parser.add_argument(
  "application", help="The application to dispatch to as path.to.module:instance.path"

src/hypercorn/app_wrappers.py

@@ -1,9 +1,9 @@
 from __future__ import annotations
 
 import sys
+from collections.abc import Callable
 from functools import partial
 from io import BytesIO
-from typing import Callable, List, Optional, Tuple
 
 from .typing import (
  ASGIFramework,
@@ -76,22 +76,22 @@ async def handle_http(
  break
 
  try:
- environ = _build_environ(scope, body)
+ environ = _build_environ(scope, bytes(body))
  except InvalidPathError:
  await send({"type": "http.response.start", "status": 404, "headers": []})
  else:
  await sync_spawn(self.run_app, environ, partial(call_soon, send))
  await send({"type": "http.response.body", "body": b"", "more_body": False})
 
  def run_app(self, environ: dict, send: Callable) -> None:
- headers: List[Tuple[bytes, bytes]]
+ headers: list[tuple[bytes, bytes]]
  response_started = False
- status_code: Optional[int] = None
+ status_code: int | None = None
 
  def start_response(
  status: str,
- response_headers: List[Tuple[str, str]],
- exc_info: Optional[Exception] = None,
+ response_headers: list[tuple[str, str]],
+ exc_info: Exception | None = None,
  ) -> None:
  nonlocal headers, response_started, status_code
 

src/hypercorn/asyncio/__init__.py

@@ -1,7 +1,8 @@
 from __future__ import annotations
 
 import warnings
-from typing import Awaitable, Callable, Literal, Optional
+from collections.abc import Awaitable, Callable
+from typing import Literal
 
 from .run import worker_serve
 from ..config import Config
@@ -13,8 +14,8 @@ async def serve(
  app: Framework,
  config: Config,
  *,
- shutdown_trigger: Optional[Callable[..., Awaitable]] = None,
- mode: Optional[Literal["asgi", "wsgi"]] = None,
+ shutdown_trigger: Callable[..., Awaitable] | None = None,
+ mode: Literal["asgi", "wsgi"] | None = None,
 ) -> None:
  """Serve an ASGI or WSGI framework app given the config.
 

src/hypercorn/asyncio/lifespan.py

@@ -2,8 +2,9 @@
 
 import asyncio
 import sys
+from collections.abc import Callable
 from functools import partial
-from typing import Any, Callable
+from typing import Any
 
 from ..config import Config
 from ..typing import AppWrapper, ASGIReceiveEvent, ASGISendEvent, LifespanScope, LifespanState