Add mcdowell-arc-core Rust backend

.github/workflows/ci.yml

@@ -0,0 +1,40 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  python:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install package
+        run: |
+          python -m pip install --upgrade pip setuptools wheel
+          python -m pip install -e ".[dev]"
+      - name: Lint
+        run: python -m ruff check src tests
+      - name: Test
+        run: python -m pytest -q
+
+  rust:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
+      - name: Rust check
+        run: cargo check --workspace
+      - name: Build Rust Python core
+        run: |
+          python -m pip install --upgrade pip maturin
+          maturin build --manifest-path crates/mcdowell-arc-core/Cargo.toml --release

.gitignore

@@ -7,3 +7,10 @@ build/
 *.egg-info/
 .env
 .DS_Store
+.ruff_cache/
+.mypy_cache/
+target/
+*.so
+*.dylib
+*.dll
+profile.out

Cargo.toml

@@ -0,0 +1,3 @@
+[workspace]
+members = ["crates/mcdowell-arc-core"]
+resolver = "2"

Makefile

@@ -0,0 +1,25 @@
+.PHONY: install dev test lint doctor rust-core clean
+
+install:
+	python -m pip install -e .
+
+dev:
+	python -m pip install --upgrade pip setuptools wheel
+	python -m pip install -e ".[dev]"
+
+test:
+	python -m pytest -q
+
+lint:
+	python -m ruff check src tests
+
+doctor:
+	mcdowell-arc doctor
+
+rust-core:
+	python -m pip install maturin
+	maturin develop --manifest-path crates/mcdowell-arc-core/Cargo.toml --release
+
+clean:
+	rm -rf .pytest_cache .ruff_cache build dist src/*.egg-info target profile.out
+	find . -type d -name __pycache__ -prune -exec rm -rf {} +