switch to pyproject.toml

.flake8

@@ -0,0 +1,26 @@
+[flake8]
+# B = bugbear
+# E = pycodestyle errors
+# F = flake8 pyflakes
+# W = pycodestyle warnings
+# B9 = bugbear opinions
+# ISC = implicit str concat
+select = B, E, F, W, B9, ISC
+ignore =
+    # slice notation whitespace, invalid
+    E203
+    # import at top, too many circular import fixes
+    E402
+    # line length, handled by bugbear B950
+    E501
+    # bare except, handled by bugbear B001
+    E722
+    # bin op line break, invalid
+    W503
+    # requires Python 3.10
+    B905
+# up to 88 allowed by bugbear B950
+max-line-length = 80
+per-file-ignores =
+    # __init__ exports names
+    src/flask/__init__.py: F401

.github/workflows/tests.yaml

@@ -52,7 +52,7 @@ jobs:
         uses: actions/cache@v3.2.2
         with:
           path: ./.mypy_cache
-          key: mypy|${{ matrix.python }}|${{ hashFiles('setup.cfg') }}
+          key: mypy|${{ matrix.python }}|${{ hashFiles('pyproject.toml') }}
         if: matrix.tox == 'typing'
       - run: pip install tox
       - run: tox run -e ${{ matrix.tox }}

CHANGES.rst

@@ -3,6 +3,8 @@ Version 2.3.0
 
 Unreleased
 
+-   Use modern packaging metadata with ``pyproject.toml`` instead of ``setup.cfg``.
+    :pr:`4947`
 -   Ensure subdomains are applied with nested blueprints. :issue:`4834`
 
 

pyproject.toml

@@ -0,0 +1,94 @@
+[project]
+name = "Flask"
+description = "A simple framework for building complex web applications."
+readme = "README.rst"
+license = {text = "BSD-3-Clause"}
+maintainers = [{name = "Pallets", email = "contact@palletsprojects.com"}]
+authors = [{name = "Armin Ronacher", email = "armin.ronacher@active-4.com"}]
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Environment :: Web Environment",
+    "Framework :: Flask",
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: BSD License",
+    "Operating System :: OS Independent",
+    "Programming Language :: Python",
+    "Topic :: Internet :: WWW/HTTP :: Dynamic Content",
+    "Topic :: Internet :: WWW/HTTP :: WSGI",
+    "Topic :: Internet :: WWW/HTTP :: WSGI :: Application",
+    "Topic :: Software Development :: Libraries :: Application Frameworks",
+]
+requires-python = ">=3.7"
+dependencies = [
+    "Werkzeug>=2.2.2",
+    "Jinja2>=3.0",
+    "itsdangerous>=2.0",
+    "click>=8.0",
+    "importlib-metadata>=3.6.0; python_version < '3.10'",
+]
+dynamic = ["version"]
+
+[project.urls]
+Donate = "https://palletsprojects.com/donate"
+Documentation = "https://flask.palletsprojects.com/"
+Changes = "https://flask.palletsprojects.com/changes/"
+"Source Code" = "https://github.com/pallets/flask/"
+"Issue Tracker" = "https://github.com/pallets/flask/issues/"
+Twitter = "https://twitter.com/PalletsTeam"
+Chat = "https://discord.gg/pallets"
+
+[project.optional-dependencies]
+async = ["asgiref>=3.2"]
+dotenv = ["python-dotenv"]
+
+[project.scripts]
+flask = "flask.cli:main"
+
+[build-system]
+requires = ["setuptools"]
+build-backend = "setuptools.build_meta"
+
+[tool.setuptools.dynamic]
+version = {attr = "flask.__version__"}
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]
+filterwarnings = ["error"]
+
+[tool.coverage.run]
+branch = true
+source = ["flask", "tests"]
+
+[tool.coverage.paths]
+source = ["src", "*/site-packages"]
+
+[tool.mypy]
+python_version = "3.7"
+files = ["src/flask"]
+show_error_codes = true
+pretty = true
+#strict = true
+allow_redefinition = true
+disallow_subclassing_any = true
+#disallow_untyped_calls = true
+#disallow_untyped_defs = true
+#disallow_incomplete_defs = true
+no_implicit_optional = true
+local_partial_types = true
+#no_implicit_reexport = true
+strict_equality = true
+warn_redundant_casts = true
+warn_unused_configs = true
+warn_unused_ignores = true
+#warn_return_any = true
+#warn_unreachable = true
+
+[[tool.mypy.overrides]]
+module = [
+    "asgiref.*",
+    "blinker.*",
+    "dotenv.*",
+    "cryptography.*",
+    "importlib_metadata",
+]
+ignore_missing_imports = true

setup.cfg

@@ -1,123 +0,0 @@
-[metadata]
-name = Flask
-version = attr: flask.__version__
-url = https://palletsprojects.com/p/flask
-project_urls =
-    Donate = https://palletsprojects.com/donate
-    Documentation = https://flask.palletsprojects.com/
-    Changes = https://flask.palletsprojects.com/changes/
-    Source Code = https://github.com/pallets/flask/
-    Issue Tracker = https://github.com/pallets/flask/issues/
-    Twitter = https://twitter.com/PalletsTeam
-    Chat = https://discord.gg/pallets
-license = BSD-3-Clause
-author = Armin Ronacher
-author_email = armin.ronacher@active-4.com
-maintainer = Pallets
-maintainer_email = contact@palletsprojects.com
-description = A simple framework for building complex web applications.
-long_description = file: README.rst
-long_description_content_type = text/x-rst
-classifiers =
-    Development Status :: 5 - Production/Stable
-    Environment :: Web Environment
-    Framework :: Flask
-    Intended Audience :: Developers
-    License :: OSI Approved :: BSD License
-    Operating System :: OS Independent
-    Programming Language :: Python
-    Topic :: Internet :: WWW/HTTP :: Dynamic Content
-    Topic :: Internet :: WWW/HTTP :: WSGI
-    Topic :: Internet :: WWW/HTTP :: WSGI :: Application
-    Topic :: Software Development :: Libraries :: Application Frameworks
-
-[options]
-packages = find:
-package_dir = = src
-include_package_data = True
-python_requires = >= 3.7
-# Dependencies are in setup.py for GitHub's dependency graph.
-
-[options.packages.find]
-where = src
-
-[options.entry_points]
-console_scripts =
-    flask = flask.cli:main
-
-[tool:pytest]
-testpaths = tests
-filterwarnings =
-    error
-
-[coverage:run]
-branch = True
-source =
-    flask
-    tests
-
-[coverage:paths]
-source =
-    src
-    */site-packages
-
-[flake8]
-# B = bugbear
-# E = pycodestyle errors
-# F = flake8 pyflakes
-# W = pycodestyle warnings
-# B9 = bugbear opinions
-# ISC = implicit str concat
-select = B, E, F, W, B9, ISC
-ignore =
-    # slice notation whitespace, invalid
-    E203
-    # import at top, too many circular import fixes
-    E402
-    # line length, handled by bugbear B950
-    E501
-    # bare except, handled by bugbear B001
-    E722
-    # bin op line break, invalid
-    W503
-    # requires Python 3.10
-    B905
-# up to 88 allowed by bugbear B950
-max-line-length = 80
-per-file-ignores =
-    # __init__ exports names
-    src/flask/__init__.py: F401
-
-[mypy]
-files = src/flask, tests/typing
-python_version = 3.7
-show_error_codes = True
-allow_redefinition = True
-disallow_subclassing_any = True
-# disallow_untyped_calls = True
-# disallow_untyped_defs = True
-# disallow_incomplete_defs = True
-no_implicit_optional = True
-local_partial_types = True
-# no_implicit_reexport = True
-strict_equality = True
-warn_redundant_casts = True
-warn_unused_configs = True
-warn_unused_ignores = True
-# warn_return_any = True
-# warn_unreachable = True
-
-[mypy-asgiref.*]
-ignore_missing_imports = True
-
-[mypy-blinker.*]
-ignore_missing_imports = True
-
-[mypy-dotenv.*]
-ignore_missing_imports = True
-
-[mypy-cryptography.*]
-ignore_missing_imports = True
-
-[mypy-importlib_metadata]
-ignore_missing_imports = True

setup.py

@@ -1,17 +0,0 @@
-from setuptools import setup
-
-# Metadata goes in setup.cfg. These are here for GitHub's dependency graph.
-setup(
-    name="Flask",
-    install_requires=[
-        "Werkzeug >= 2.2.2",
-        "Jinja2 >= 3.0",
-        "itsdangerous >= 2.0",
-        "click >= 8.0",
-        "importlib-metadata >= 3.6.0; python_version < '3.10'",
-    ],
-    extras_require={
-        "async": ["asgiref >= 3.2"],
-        "dotenv": ["python-dotenv"],
-    },
-)