Update dependencies in pyproject.toml and enhance GitHub Actions workflow for testing

Author: CSSFrancis

.github/workflows/tests.yml

@@ -5,8 +5,6 @@ on:
     branches: [main]
   pull_request:
 
-# Cancel in-flight runs for the same branch so a new push doesn't queue
-# behind an older one.
 concurrency:
   group: tests-${{ github.ref }}
   cancel-in-progress: true
@@ -20,30 +18,30 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ["3.12", "3.13"]
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
+        exclude:
+          - os: macos-latest
+            python-version: "3.10"
+          - os: macos-latest
+            python-version: "3.11"
+          - os: windows-latest
+            python-version: "3.10"
+          - os: windows-latest
+            python-version: "3.11"
 
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
 
-      # ── uv + Python ────────────────────────────────────────────────────────
       - name: Set up uv
         uses: astral-sh/setup-uv@v5
         with:
           python-version: ${{ matrix.python-version }}
-          # Cache the uv download / build cache between runs.
           enable-cache: true
 
-      # ── Dependencies ───────────────────────────────────────────────────────
-      # uv sync installs the project + all dependency groups (including dev,
-      # which pulls in playwright).
       - name: Install dependencies
         run: uv sync
 
-      # ── Playwright browsers ────────────────────────────────────────────────
-      # Visual regression tests (test_visual.py) use headless Chromium.
-      # They skip gracefully when no baselines exist, but the browser must be
-      # present so the playwright fixture doesn't error on setup.
       - name: Install Playwright browsers (Linux)
         if: runner.os == 'Linux'
         run: uv run playwright install chromium --with-deps
@@ -52,7 +50,31 @@ jobs:
         if: runner.os != 'Linux'
         run: uv run playwright install chromium
 
-      # ── Test suite ─────────────────────────────────────────────────────────
       - name: Run tests
         run: uv run pytest tests/ -v --tb=short
 
+  minimum-deps:
+    name: Minimum deps (Python 3.10 / ubuntu)
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up uv
+        uses: astral-sh/setup-uv@v5
+        with:
+          python-version: "3.10"
+          enable-cache: true
+
+      - name: Install dependencies at minimum versions
+        run: uv sync --resolution lowest-direct
+
+      - name: Show installed versions
+        run: uv run pip list --format=columns
+
+      - name: Install Playwright browsers
+        run: uv run playwright install chromium --with-deps
+
+      - name: Run tests
+        run: uv run pytest tests/ -v --tb=short

pyproject.toml

@@ -11,12 +11,12 @@ version = "0.1.0"
 description = "A plotting library using python, javascript and anywidget for performant in browser plotting."
 requires-python = ">=3.10"
 dependencies = [
-    "anywidget>=0.9.21",
+    "anywidget>=0.9.0",
     "colorcet>=3.0",
     "jupyterlab>=4.5.5",
-    "numpy>=2.4.2",
+    "numpy>=2.0.0",
     "pytest>=9.0.2",
-    "traitlets>=5.14.3",
+    "traitlets>=5.0.0",
 ]
 
 [project.optional-dependencies]
@@ -25,7 +25,7 @@ docs = [
     "pydata-sphinx-theme>=0.16",
     "sphinx-gallery>=0.18",
     "pillow>=10.0",
-    "matplotlib>=3.9",
+    "matplotlib>=3.7",
 ]
 
 [dependency-groups]