Release v0.3.0

Author: networmix

.github/workflows/release.yml

@@ -29,8 +29,8 @@ jobs:
       - name: Build wheels
         uses: pypa/cibuildwheel@v2.21.3
         env:
-          # Build for Python 3.9+
-          CIBW_BUILD: "cp39-* cp310-* cp311-* cp312-* cp313-*"
+          # Build for Python 3.11+
+          CIBW_BUILD: "cp311-* cp312-* cp313-*"
           # Skip PyPy, musllinux, and 32-bit Linux
           CIBW_SKIP: "pp* *-musllinux_* *-manylinux_i686"
 

.github/workflows/tests.yml

@@ -14,7 +14,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-22.04, macos-13]
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.11", "3.12", "3.13"]
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.3.0] - 2025-12-06
+
+### Changed
+
+- **BREAKING**: Minimum Python version raised to 3.11 (was 3.9)
+
 ## [0.2.3] - 2025-12-06
 
 ### Changed

CONTRIBUTING.md

@@ -6,7 +6,7 @@ This document provides guidelines for setting up your development environment an
 
 NetGraph-Core is a hybrid C++/Python project. You will need:
 
-- Python 3.9+
+- Python 3.11+
 - C++20 compatible compiler (GCC 10+, Clang 12+, MSVC 2019+)
 - CMake 3.23+
 - Ninja (recommended)

Makefile

@@ -11,8 +11,8 @@
 VENV_BIN := $(PWD)/venv/bin
 
 # PY_BEST: scan for newest supported Python (used when creating new venvs)
-# Supports 3.9-3.13 to match CI matrix
-PY_BEST := $(shell for v in 3.13 3.12 3.11 3.10 3.9; do command -v python$$v >/dev/null 2>&1 && { echo python$$v; exit 0; }; done; command -v python3 2>/dev/null || command -v python 2>/dev/null)
+# Supports 3.11-3.13 to match requires-python >=3.11
+PY_BEST := $(shell for v in 3.13 3.12 3.11; do command -v python$$v >/dev/null 2>&1 && { echo python$$v; exit 0; }; done; command -v python3 2>/dev/null || command -v python 2>/dev/null)
 
 # PY_PATH: active python3/python on PATH (respects CI setup-python and activated venvs)
 PY_PATH := $(shell command -v python3 2>/dev/null || command -v python 2>/dev/null)

README.md

@@ -89,7 +89,7 @@ make cov        # Coverage report (C++ + Python)
 ## Requirements
 
 - **C++:** C++20 compiler (GCC 10+, Clang 12+, MSVC 2019+)
-- **Python:** 3.9+
+- **Python:** 3.11+
 - **Build:** CMake 3.15+, scikit-build-core
 - **Dependencies:** pybind11, NumPy
 

pyproject.toml

@@ -4,10 +4,10 @@ build-backend = "scikit_build_core.build"
 
 [project]
 name = "netgraph-core"
-version = "0.2.3"
+version = "0.3.0"
 description = "C++ implementation of graph algorithms for network flow analysis and traffic engineering with Python bindings"
 readme = "README.md"
-requires-python = ">=3.9"
+requires-python = ">=3.11"
 license = { text = "AGPL-3.0-or-later" }
 authors = [{ name = "Project Contributors" }]
 classifiers = [
@@ -18,8 +18,6 @@ classifiers = [
     "Topic :: Software Development :: Libraries :: Python Modules",
     "License :: OSI Approved :: GNU Affero General Public License v3 or later (AGPLv3+)",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.9",
-    "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
@@ -80,7 +78,7 @@ skip-magic-trailing-comma = false
 
 [tool.pyright]
 typeCheckingMode = "standard"
-pythonVersion = "3.9"
+pythonVersion = "3.11"
 exclude = [
     "venv/**",
     "tests/**",

python/netgraph_core/_version.py

@@ -2,4 +2,4 @@
 
 __all__ = ["__version__"]
 
-__version__ = "0.2.3"
+__version__ = "0.3.0"

tests/py/conftest.py

@@ -70,7 +70,7 @@ def cost_dist_dict():
     def _to_dict(summary) -> dict[float, float]:
         costs = np.asarray(getattr(summary, "costs", []), dtype=float)
         flows = np.asarray(getattr(summary, "flows", []), dtype=float)
-        return {float(c): float(f) for c, f in zip(costs, flows)}
+        return {float(c): float(f) for c, f in zip(costs, flows, strict=False)}
 
     return _to_dict