Switch to pyproject.toml

README.md

@@ -1,6 +1,6 @@
 # pySBOL2
-![gh-action badge](https://github.com/SynBioDex/pySBOL2/workflows/Python%20package/badge.svg)
-![readthedocs badge](https://readthedocs.org/projects/pysbol2/badge/)
+[![gh-action badge](https://github.com/SynBioDex/pySBOL2/workflows/Python%20package/badge.svg)](https://github.com/SynBioDex/pySBOL2/actions/workflows/python-package.yml)
+[![readthedocs badge](https://readthedocs.org/projects/pysbol2/badge/)](https://pysbol.readthedocs.io)
 
 **pySBOL2** is a pure Python implementation of the
 SBOL 2.3.0 standard [Synthetic Biology Open Language (SBOL)](https://sbolstandard.org/) - 

pyproject.toml

@@ -0,0 +1,57 @@
+[build-system]
+build-backend = "setuptools.build_meta"
+requires = [ "setuptools>=80.1" ]
+
+[project]
+name = "sbol2"
+description = "Pure Python implementation of SBOL 2 standard"
+readme = "README.md"
+keywords = [
+  "biology",
+  "synthetic biology",
+]
+license = "Apache-2.0"
+authors = [
+  { name = "Bryan Bartley", email = "editors@sbolstandard.org" },
+]
+requires-python = ">=3.11"
+classifiers = [
+  "Development Status :: 5 - Production/Stable",
+  "Intended Audience :: Developers",
+  "Programming Language :: Python :: 3 :: Only",
+  "Programming Language :: Python :: 3.11",
+  "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
+  "Programming Language :: Python :: 3.14",
+]
+dynamic = [ "version" ]
+dependencies = [
+  "deprecated",
+  "lxml",
+  # As of August 2026 the code is incompatible with packaging >= 26.1
+  # https://github.com/SynBioDex/pySBOL2/issues/450
+  "packaging<26.1",
+  "python-dateutil",
+  "rdflib>=5",
+  "requests",
+  "urllib3",
+]
+urls.changelog = "https://github.com/SynBioDex/pySBOL2/blob/master/CHANGELOG.md"
+urls.documentation = "https://pysbol.readthedocs.io/"
+urls.homepage = "https://github.com/SynBioDex/pySBOL2"
+urls.issues = "https://github.com/SynBioDex/pySBOL2/issues"
+urls.source = "https://github.com/SynBioDex/pySBOL2.git"
+
+[dependency-groups]
+# Install with pip: "python3 -m pip install --group dev"
+# Install with uv: "uv sync --all-groups" or "uv sync --group dev"
+dev = [
+  "pycodestyle>=2.14",
+  "ruff>=0.16.1",
+]
+
+[tool.setuptools]
+packages = [ "sbol2" ]
+# Include libSBOLj.jar in the distribution
+package-data.sbol2 = [ "libSBOLj.jar" ]
+dynamic.version = { attr = "sbol2.__version__" }