Use local schemas to define validation for pyproject.toml (#4364)

MANIFEST.in

@@ -10,11 +10,12 @@ recursive-include newsfragments *
 include *.py
 include *.rst
 include MANIFEST.in
-include LICENSE
+global-include LICEN[CS]E* COPYING* NOTICE* AUTHORS*
 include launcher.c
 include msvc-build-launcher.cmd
 include mypy.ini
 include pytest.ini
 include tox.ini
 include setuptools/tests/config/setupcfg_examples.txt
+include setuptools/config/*.schema.json
 global-exclude *.py[cod] __pycache__

setup.py

@@ -10,9 +10,10 @@
 here = os.path.dirname(__file__)
 
 
-package_data = dict(
-    setuptools=['script (dev).tmpl', 'script.tmpl', 'site-patch.py'],
-)
+package_data = {
+    "": ["LICEN[CS]E*", "COPYING*", "NOTICE*", "AUTHORS*"],
+    "setuptools": ['script (dev).tmpl', 'script.tmpl', 'site-patch.py'],
+}
 
 force_windows_specific_files = os.environ.get(
     "SETUPTOOLS_INSTALL_WINDOWS_SPECIFIC_FILES", "1"

setuptools/config/NOTICE

@@ -0,0 +1,10 @@
+The following files include code from opensource projects
+(either as direct copies or modified versions):
+
+- `setuptools.schema.json`, `distutils.schema.json`:
+    - project: `validate-pyproject` - licensed under MPL-2.0
+      (https://github.com/abravalheri/validate-pyproject):
+
+      This Source Code Form is subject to the terms of the Mozilla Public
+      License, v. 2.0. If a copy of the MPL was not distributed with this file,
+      You can obtain one at https://mozilla.org/MPL/2.0/.

setuptools/config/_validate_pyproject/NOTICE

@@ -1,7 +1,7 @@
 The code contained in this directory was automatically generated using the
 following command:
 
-    python -m validate_pyproject.pre_compile --output-dir=setuptools/config/_validate_pyproject --enable-plugins setuptools distutils --very-verbose
+    python -m validate_pyproject.pre_compile --output-dir=setuptools/config/_validate_pyproject --enable-plugins setuptools distutils --very-verbose -t distutils=setuptools/config/distutils.schema.json -t setuptools=setuptools/config/setuptools.schema.json
 
 Please avoid changing it manually.
 

setuptools/config/_validate_pyproject/fastjsonschema_validations.py

@@ -10,7 +10,7 @@
 # *** PLEASE DO NOT MODIFY DIRECTLY: Automatically generated code *** 
 
 
-VERSION = "2.19.1"
+VERSION = "2.20.0"
 from decimal import Decimal
 import re
 from .fastjsonschema_exceptions import JsonSchemaValueException

setuptools/config/_validate_pyproject/formats.py

@@ -91,9 +91,9 @@ def pep508(value: str) -> bool:
         """
         try:
             _req.Requirement(value)
+            return True
         except _req.InvalidRequirement:
             return False
-        return True
 
 except ImportError:  # pragma: no cover
     _logger.warning(

setuptools/config/distutils.schema.json

@@ -0,0 +1,26 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+
+  "$id": "https://setuptools.pypa.io/en/latest/deprecated/distutils/configfile.html",
+  "title": "``tool.distutils`` table",
+  "$$description": [
+    "**EXPERIMENTAL** (NOT OFFICIALLY SUPPORTED): Use ``tool.distutils``",
+    "subtables to configure arguments for ``distutils`` commands.",
+    "Originally, ``distutils`` allowed developers to configure arguments for",
+    "``setup.py`` commands via `distutils configuration files",
+    "<https://setuptools.pypa.io/en/latest/deprecated/distutils/configfile.html>`_.",
+    "See also `the old Python docs <https://docs.python.org/3.11/install/>_`."
+  ],
+
+  "type": "object",
+  "properties": {
+    "global": {
+      "type": "object",
+      "description": "Global options applied to all ``distutils`` commands"
+    }
+  },
+  "patternProperties": {
+    ".+": {"type": "object"}
+  },
+  "$comment": "TODO: Is there a practical way of making this schema more specific?"
+}