switch to flit build backend

.devcontainer/on-create-command.sh

@@ -3,7 +3,7 @@ set -e
 
 python3 -m venv .venv
 . .venv/bin/activate
-pip install -U pip setuptools wheel
+pip install -U pip
 pip install -r requirements/dev.txt
 pip install -e .
 pre-commit install --install-hooks

CHANGES.rst

@@ -5,6 +5,8 @@ Version 2.3.7
 
 Unreleased
 
+-   Use ``flit_core`` instead of ``setuptools`` as build backend.
+
 
 Version 2.3.6
 -------------

CONTRIBUTING.rst

@@ -125,7 +125,7 @@ First time setup in your local environment
 
     .. code-block:: text
 
-        $ python -m pip install -U pip setuptools wheel
+        $ python -m pip install -U pip
         $ pip install -r requirements/dev.txt && pip install -e .
 
 -   Install the pre-commit hooks.

pyproject.toml

@@ -2,7 +2,7 @@
 name = "Werkzeug"
 description = "The comprehensive WSGI web application library."
 readme = "README.rst"
-license = {text = "BSD-3-Clause"}
+license = {file = "LICENSE.rst"}
 maintainers = [{name = "Pallets", email = "[email protected]"}]
 classifiers = [
     "Development Status :: 5 - Production/Stable",
@@ -33,11 +33,24 @@ Chat = "https://discord.gg/pallets"
 watchdog = ["watchdog>=2.3"]
 
 [build-system]
-requires = ["setuptools"]
-build-backend = "setuptools.build_meta"
+requires = ["flit_core<4"]
+build-backend = "flit_core.buildapi"
 
-[tool.setuptools.dynamic]
-version = {attr = "werkzeug.__version__"}
+[tool.flit.module]
+name = "werkzeug"
+
+[tool.flit.sdist]
+include = [
+    "docs/",
+    "examples/",
+    "requirements/",
+    "tests/",
+    "CHANGES.rst",
+    "tox.ini",
+]
+exclude = [
+    "docs/_build/",
+]
 
 [tool.pytest.ini_options]
 testpaths = ["tests"]