Initial commit

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

pyproject.toml

@@ -0,0 +1,68 @@
+# Pure Python SPQR-Tree implementation.
+# Authors:
+#   imacat@mail.imacat.idv.tw (imacat), 2026/3/2
+# AI assistance: Claude Code (Anthropic)
+
+#  Copyright (c) 2026 imacat.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+[project]
+name = "spqrtree"
+dynamic = ["version"]
+description = "Pure Python SPQR-Tree implementation"
+readme = "README.rst"
+requires-python = ">=3.10"
+license = { text = "Apache-2.0" }
+authors = [
+    { name = "imacat", email = "imacat@mail.imacat.idv.tw" },
+]
+keywords = [
+    "spqr",
+    "spqr-tree",
+    "graph",
+    "triconnected",
+    "triconnectivity",
+    "graph-decomposition",
+    "biconnected",
+    "separation-pair",
+]
+classifiers = [
+    "Development Status :: 3 - Alpha",
+    "Intended Audience :: Developers",
+    "Intended Audience :: Science/Research",
+    "License :: OSI Approved :: Apache Software License",
+    "Operating System :: OS Independent",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
+    "Topic :: Scientific/Engineering :: Mathematics",
+    "Topic :: Software Development :: Libraries :: Python Modules",
+    "Typing :: Typed",
+]
+
+[project.urls]
+Homepage = "https://github.com/imacat/spqrtree"
+Repository = "https://github.com/imacat/spqrtree"
+Documentation = "https://spqrtree.readthedocs.io"
+"Change Log" = "https://spqrtree.readthedocs.io/en/latest/changelog.html"
+"Bug Tracker" = "https://github.com/imacat/spqrtree/issues"
+
+[build-system]
+requires = ["setuptools>=61"]
+build-backend = "setuptools.build_meta"
+
+[tool.setuptools.dynamic]
+version = {attr = "spqrtree.VERSION"}