From 2a62c98921f296572093b5c8e4833cf9e2c1d3f5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?David=20P=C3=A4rsson?= <david@parsson.se>
Date: Sat, 3 Oct 2026 09:17:55 +0200
Subject: [PATCH 1/4] build: Require setuptools>=77 to build

Older setuptools versions ignore the license_expression argument.
---
 pyproject.toml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pyproject.toml b/pyproject.toml
index a865d61..a3166fa 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,3 +1,7 @@
+[build-system]
+requires = ["setuptools>=77"]
+build-backend = "setuptools.build_meta"
+
 [tool.black]
 line-length = 110
 target_version = ['py310']

From a0b0dc28da9d440017a480f3a209bd2c7c360234 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?David=20P=C3=A4rsson?= <david@parsson.se>
Date: Sat, 3 Oct 2026 09:17:56 +0200
Subject: [PATCH 2/4] build: Use SPDX license expression in package metadata

Fixes #317.
---
 setup.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/setup.py b/setup.py
index 558ae56..ad91e90 100644
--- a/setup.py
+++ b/setup.py
@@ -62,7 +62,8 @@ def read_injector_variable(name):
     description=description,
     long_description=long_description,
     long_description_content_type='text/markdown',
-    license='BSD',
+    license_expression='BSD-3-Clause',
+    license_files=['COPYING'],
     platforms=['any'],
     packages=['injector'],
     package_data={'injector': ['py.typed']},

From 964cd52aac0bec0ddc0d27414a7fd059652ddcd7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?David=20P=C3=A4rsson?= <david@parsson.se>
Date: Sat, 3 Oct 2026 09:17:56 +0200
Subject: [PATCH 3/4] docs: Use SPDX license identifier in module docstring

---
 injector/__init__.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/injector/__init__.py b/injector/__init__.py
index 55f7ab2..402c47c 100644
--- a/injector/__init__.py
+++ b/injector/__init__.py
@@ -11,7 +11,7 @@
 """Injector - Python dependency injection framework, inspired by Guice
 
 :copyright: (c) 2012 by Alec Thomas
-:license: BSD
+:license: BSD-3-Clause
 """
 
 import functools

From 551cfb6bc88a80c3052831930e4f6a2043acba4d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?David=20P=C3=A4rsson?= <david@parsson.se>
Date: Sat, 3 Oct 2026 09:17:56 +0200
Subject: [PATCH 4/4] docs: Update changelog with SPDX license change

---
 CHANGES | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CHANGES b/CHANGES
index ae5df99..3794d42 100644
--- a/CHANGES
+++ b/CHANGES
@@ -5,6 +5,7 @@ Injector Change Log
 ------
 
 - Dropped support for Python 3.8 and 3.9. Python 3.10+ is now required.
+- Use the SPDX license identifier `BSD-3-Clause` in package metadata.
 
 0.24.0
 ------