Drop Python 3.9 support and migrate to PEP 621

Goodbye, 3.9
Good morning, PEP 621

Author: HayaoSuzuki

.github/workflows/ci.yml

@@ -38,7 +38,7 @@ jobs:
     name: Test with python ${{ matrix.python-version }} / ${{ matrix.os-version }}
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
         os-version: ["ubuntu-latest", "windows-latest"]
         exclude:
           - os-version: windows-latest

poetry.lock

@@ -1,20 +1,40 @@
-[tool.poetry]
+[project]
 name = "pytest_httpserver"
 version = "1.1.3"
 description = "pytest-httpserver is a httpserver for pytest"
-authors = ["Zsolt Cserna <cserna.zsolt@gmail.com>"]
-license = "MIT"
 readme = "README.md"
-documentation = "https://pytest-httpserver.readthedocs.io/en/latest/"
+license = "MIT"
+authors = [
+    { name = "Zsolt Cserna", email = "cserna.zsolt@gmail.com" }
+]
 classifiers = [
     "Development Status :: 3 - Alpha",
     "Intended Audience :: Developers",
     "Operating System :: OS Independent",
+    "Programming Language :: Python :: 3",
+    "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 :: Software Development :: Libraries :: Python Modules",
     "Framework :: Pytest",
 ]
-repository = "https://github.com/csernazs/pytest-httpserver"
+requires-python = ">=3.10"
+dependencies = [
+    "Werkzeug >= 2.0.0",
+]
+
+[project.urls]
+Homepage = "https://github.com/csernazs/pytest-httpserver"
+Documentation = "https://pytest-httpserver.readthedocs.io/en/latest/"
+Repository = "https://github.com/csernazs/pytest-httpserver"
+"Bug Tracker" = "https://github.com/csernazs/pytest-httpserver/issues"
+
+[project.entry-points.pytest11]
+pytest_httpserver = "pytest_httpserver.pytest_plugin"
 
+[tool.poetry]
 include = [
     { path = "tests", format = "sdist" },
     { path = "CHANGES.rst", format = "sdist" },
@@ -23,17 +43,6 @@ include = [
     { path = "doc", format = "sdist" },
 ]
 
-[tool.poetry.dependencies]
-python = ">=3.9"
-Werkzeug = ">= 2.0.0"
-
-
-[tool.poetry.plugins.pytest11]
-pytest_httpserver = "pytest_httpserver.pytest_plugin"
-
-[tool.poetry.urls]
-"Bug Tracker" = "https://github.com/csernazs/pytest-httpserver/issues"
-
 [tool.poetry.group.develop]
 optional = true
 
@@ -117,7 +126,6 @@ lint.ignore = [
   "PLR0913",
   "PLR2004",
   "PLW2901",
-  "PT004",
   "PT012",
   "PT013",
   "PTH118",
@@ -138,5 +146,5 @@ lint.ignore = [
   "UP032",
 ]
 line-length = 120
-target-version = "py39"
+target-version = "py310"
 exclude = ["doc", "example*.py", "tests/examples/*.py"]

pyproject.toml

@@ -4,7 +4,7 @@
 
 import os
 import time
-from typing import Callable
+from collections.abc import Callable
 
 from werkzeug import Request
 from werkzeug import Response

pytest_httpserver/hooks.py

@@ -9,6 +9,7 @@
 import time
 import urllib.parse
 from collections import defaultdict
+from collections.abc import Callable
 from collections.abc import Generator
 from collections.abc import Iterable
 from collections.abc import Mapping
@@ -20,10 +21,7 @@
 from re import Pattern
 from typing import TYPE_CHECKING
 from typing import Any
-from typing import Callable
 from typing import ClassVar
-from typing import Optional
-from typing import Union
 
 import werkzeug.http
 from werkzeug import Request
@@ -47,12 +45,9 @@
 URI_DEFAULT = ""
 METHOD_ALL = "__ALL"
 
-HEADERS_T = Union[
-    Mapping[str, Union[str, Iterable[str]]],
-    Iterable[tuple[str, str]],
-]
+HEADERS_T = Mapping[str, str | Iterable[str]] | Iterable[tuple[str, str]]
 
-HVMATCHER_T = Callable[[str, Optional[str], str], bool]
+HVMATCHER_T = Callable[[str, str | None, str], bool]
 
 
 class Undefined:

pytest_httpserver/httpserver.py

@@ -111,15 +111,15 @@ def build() -> Iterable[Build]:
 
 @pytest.fixture(scope="session")
 def version(pyproject) -> str:
-    return pyproject["tool"]["poetry"]["version"]
+    return pyproject["project"]["version"]
 
 
 def version_to_tuple(version: str) -> tuple:
     return tuple([int(x) for x in version.split(".")])
 
 
 def test_no_duplicate_classifiers(build: Build, pyproject):
-    pyproject_meta = pyproject["tool"]["poetry"]
+    pyproject_meta = pyproject["project"]
     wheel_meta = build.wheel.get_meta(version=pyproject_meta["version"])
     classifiers = wheel_meta.get_all("Classifier")
     assert classifiers is not None
@@ -131,14 +131,14 @@ def test_no_duplicate_classifiers(build: Build, pyproject):
 
 
 def test_python_version(build: Build, pyproject):
-    pyproject_meta = pyproject["tool"]["poetry"]
+    pyproject_meta = pyproject["project"]
     wheel_meta = build.wheel.get_meta(version=pyproject_meta["version"])
-    python_dependency = pyproject_meta["dependencies"]["python"]
-    m = re.match(r">=(\d+\.\d+)", python_dependency)
+    python_requires = pyproject_meta["requires-python"]
+    m = re.match(r">=(\d+\.\d+)", python_requires)
     if m:
         min_version, *_ = m.groups()
     else:
-        raise ValueError(python_dependency)
+        raise ValueError(python_requires)
 
     min_version_tuple = version_to_tuple(min_version)