Drop Python 3.6 support and use PEP 621 metadata

.github/workflows/validation.yml

@@ -5,7 +5,7 @@ jobs:
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
     steps:
     - uses: actions/checkout@v3
     - uses: actions/setup-python@v4

pyproject.toml

@@ -1,5 +1,48 @@
 [build-system]
-requires = ["setuptools >= 59.6", "setuptools-scm[toml] >= 6.4", "wheel >= 0.37.1"]
+requires = ["setuptools >= 61.0", "setuptools-scm >= 7.1", "wheel >= 0.40"]
 build-backend = "setuptools.build_meta"
 
+[project]
+name = "pytest-mypy"
+dynamic = ["version"]
+description = "A Pytest Plugin for Mypy"
+readme = "README.rst"
+license = {file = "LICENSE"}
+maintainers = [
+    {name = "David Tucker", email = "[email protected]"}
+]
+classifiers = [
+    "Development Status :: 4 - Beta",
+    "Framework :: Pytest",
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: MIT License",
+    "Operating System :: OS Independent",
+    "Programming Language :: Python",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.7",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: Implementation :: CPython",
+    "Topic :: Software Development :: Testing",
+]
+requires-python = ">=3.7"
+dependencies = [
+    "attrs>=19.0",
+    "filelock>=3.0",
+    "pytest>=4.6; python_version<'3.10'",
+    "pytest>=6.2; python_version>='3.10'",
+    "mypy>=0.500; python_version<'3.8'",
+    "mypy>=0.700; python_version>='3.8' and python_version<'3.9'",
+    "mypy>=0.780; python_version>='3.9' and python_version<'3.11'",
+    "mypy>=0.900; python_version>='3.11'",
+]
+
+[project.entry-points.pytest11]
+mypy = "pytest_mypy"
+
+[project.urls]
+homepage = "https://github.com/realpython/pytest-mypy"
+
 [tool.setuptools_scm]

tox.ini

@@ -3,7 +3,6 @@
 minversion = 3.20
 isolated_build = true
 envlist =
-    py36-pytest{4.6, 5.0, 5.x, 6.0, 6.x, 7.0, 7.x}-mypy{0.50, 0.5x, 0.60, 0.6x, 0.70, 0.7x, 0.80, 0.8x, 0.90, 0.9x}
     py37-pytest{4.6, 5.0, 5.x, 6.0, 6.x, 7.0, 7.x}-mypy{0.50, 0.5x, 0.60, 0.6x, 0.70, 0.7x, 0.80, 0.8x, 0.90, 0.9x}
     py38-pytest{4.6, 5.0, 5.x, 6.0, 6.x, 7.0, 7.x}-mypy{0.71, 0.7x, 0.80, 0.8x, 0.90, 0.9x}
     py39-pytest{4.6, 5.0, 5.x, 6.0, 6.x, 7.0, 7.x}-mypy{0.78, 0.7x, 0.80, 0.8x, 0.90, 0.9x}
@@ -14,7 +13,6 @@ envlist =
 
 [gh-actions]
 python =
-    3.6: py36-pytest{4.6, 5.0, 5.x, 6.0, 6.x, 7.0, 7.x}-mypy{0.50, 0.5x, 0.60, 0.6x, 0.70, 0.7x, 0.80, 0.8x, 0.90, 0.9x}
     3.7: py37-pytest{4.6, 5.0, 5.x, 6.0, 6.x, 7.0, 7.x}-mypy{0.50, 0.5x, 0.60, 0.6x, 0.70, 0.7x, 0.80, 0.8x, 0.90, 0.9x}
     3.8: py38-pytest{4.6, 5.0, 5.x, 6.0, 6.x, 7.0, 7.x}-mypy{0.71, 0.7x, 0.80, 0.8x, 0.90, 0.9x}, publish, static
     3.9: py39-pytest{4.6, 5.0, 5.x, 6.0, 6.x, 7.0, 7.x}-mypy{0.78, 0.7x, 0.80, 0.8x, 0.90, 0.9x}
@@ -94,8 +92,8 @@ deps =
     build[virtualenv] ~= 0.9.0
     twine ~= 4.0.0
 commands =
-    {envpython} -m build --outdir {distdir} .
-    twine {posargs:check} {distdir}/*
+    {envpython} -m build --outdir {envtmpdir} .
+    twine {posargs:check} {envtmpdir}/*
 
 [testenv:static]
 deps =
@@ -104,10 +102,10 @@ deps =
     flake8 ~= 4.0.0
     mypy >= 0.900, < 0.910
 commands =
-    black --check src setup.py tests
-    flake8 src setup.py tests
-    mypy src setup.py
-    bandit --recursive src setup.py
+    black --check src tests
+    flake8 src tests
+    mypy src
+    bandit --recursive src
 
 [flake8]
 max-line-length = 88