From 9bf47c552b2b638bff5c7107a87d95f5ed78d973 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 08:27:36 +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 | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/pyproject.toml b/pyproject.toml
index 67d20bf6..b94fce2e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools>=61", "setuptools_scm[toml]>=7"]
+requires = ["setuptools>=77.0.3", "setuptools_scm[toml]>=7"]
 build-backend = "setuptools.build_meta"
 
 [project]
@@ -10,13 +10,13 @@ authors = [
   {name = "DeepModeling"},
   {name = "Han Wang", email = "wang_han@iapcm.ac.cn"},
 ]
-license = {file = "LICENSE"}
+license = "LGPL-3.0-or-later"
+license-files = ["LICENSE"]
 classifiers = [
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
-    "License :: OSI Approved :: GNU Lesser General Public License v3 (LGPLv3)",
 ]
 dependencies = [
     'numpy>=1.14.3',