From 01db1d78e3d8440b32be4f2c540b44a309917773 Mon Sep 17 00:00:00 2001
From: "njzjz-bot (driven by OpenClaw (model: gpt-5.4))[bot]"
 <48687836+njzjz-bot@users.noreply.github.com>
Date: Mon, 6 Apr 2026 06:39:31 +0000
Subject: [PATCH] build(pyproject): adopt PEP 639 license metadata

Use SPDX license expressions and add license-files in pyproject.toml.
Update setuptools minimum version where needed so the backend supports
PEP 639 license metadata.

Authored by OpenClaw (model: gpt-5.4)
---
 pyproject.toml | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/pyproject.toml b/pyproject.toml
index fc0ab25..eb1e0fb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,8 @@ authors = [
     {name = "Z. Zhouyin", email = "zhouyinzhanghao@gmail.com"}
 ]
 readme = "README.md"
-license = {text = "MIT"}
+license = "MIT"
+license-files = ["LICENSE"]
 requires-python = ">=3.9,<3.13"
 dependencies = [
     "numpy",
@@ -42,7 +43,7 @@ dftio = "dftio.__main__:main"
 Repository = "https://github.com/deepmodeling/dftio"
 
 [build-system]
-requires = ["setuptools>=64", "setuptools-scm>=8"]
+requires = ["setuptools>=77.0.3", "setuptools>=77.0.3-scm>=8"]
 build-backend = "setuptools.build_meta"
 
 [tool.setuptools_scm]