MNT: migrate requirement files to PEP 735 dependency groups

.github/workflows/test.yml

@@ -16,7 +16,7 @@ on:
 
 jobs:
   build:
-    name: ${{ matrix.os }}, Python ${{ matrix.python-version }}
+    name: ${{ matrix.os }}, Python ${{ matrix.python-version }} ${{ matrix.install-args }} ${{ matrix.viscm-flavor }}
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
@@ -29,29 +29,39 @@ jobs:
         - '3.11'
         - '3.12'
         - '3.13'
-        test-args: [viscm>=0.10]
-        venv-loc: [bin]
+        install-args: ['']
+        viscm-flavor: ['']
 
         include:
         - os: ubuntu-20.04
           python-version: '3.10'
-          venv-loc: bin
           install-args: --resolution=lowest-direct
         - os: windows-latest
           python-version: '3.10'
-          venv-loc: Scripts
         - os: windows-latest
           python-version: '3.11'
-          venv-loc: Scripts
         - os: windows-latest
           python-version: '3.12'
-          venv-loc: Scripts
+
+        # check with viscm + Python 3.12
+        # note that 3.13 is not usable at the time of writing because
+        # viscm 0.10.0 pin numpy<2, and numpy 1.x doesn't support Python 3.13
+        # see https://github.com/matplotlib/viscm/pull/82
+        - os: ubuntu-latest
+          python-version: '3.12'
+          viscm-flavor: PyQt
+        - os: ubuntu-latest
+          python-version: '3.12'
+          viscm-flavor: Pyside
+        - os: macos-latest
+          python-version: '3.12'
+          viscm-flavor: PyQt
         - os: windows-latest
-          python-version: '3.13'
-          venv-loc: Scripts
+          python-version: '3.12'
+          viscm-flavor: PyQt
 
     concurrency:
-      group: ${{ github.ref }}-${{ matrix.os }}-${{ matrix.python-version }}-build
+      group: ${{ github.ref }}-${{ matrix.os }}-${{ matrix.python-version }}-${{ matrix.install-args }}-${{ matrix.viscm-flavor }}-build
       cancel-in-progress: true
 
     steps:
@@ -62,33 +72,36 @@ jobs:
         cache-dependency-glob: pyproject.toml
 
     - name: Build
+      shell: bash # for windows-compat
       run: |
-        uv venv --python ${{ matrix.python-version }}
-        uv pip install . ${{ matrix.install-args }}
-        uv pip install -r requirements/dev.txt ${{ matrix.test-args }}
+        uv venv -p ${{ matrix.python-version }}
+        uv pip install ${{ matrix.install-args }} .
+    - name: Inject viscm
+      if: matrix.viscm-flavor != ''
+      run: uv pip install "viscm[ ${{ matrix.viscm-flavor }} ]"
 
     - run: uv pip list
 
     - name: Test package (no coverage)
       if: ${{ !startsWith( matrix.os , 'ubuntu' ) }}
       shell: bash # for windows-compat
       run: |
-        source .venv/${{matrix.venv-loc}}/activate
-        pytest --color=yes --mpl
+        uv run --verbose --group dev \
+          pytest --color=yes --mpl
 
     - name: Test package (with coverage)
       if: startsWith( matrix.os , 'ubuntu' )
       run: |
-        source .venv/${{matrix.venv-loc}}/activate
-        coverage run --parallel-mode -m pytest --color=yes --mpl
+        uv run --verbose --group dev \
+          coverage run -m pytest --color=yes --mpl
 
     - name: Upload coverage data
       # only using reports from ubuntu because
       # combining reports from multiple platforms is tricky (or impossible ?)
       if: startsWith( matrix.os , 'ubuntu' )
       uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3
       with:
-        name: cmasher_coverage_data-${{ matrix.os }}-${{ matrix.python-version }}
+        name: cmasher_coverage_data-${{ matrix.os }}-${{ matrix.python-version }}-${{ matrix.install-args }}-${{ matrix.viscm-flavor }}
         path: .coverage.*
         if-no-files-found: ignore
         include-hidden-files: true
@@ -128,6 +141,7 @@ jobs:
     name: type check w/ Python ${{ matrix.python-version }}
 
     strategy:
+      fail-fast: false
       matrix:
         python-version:
         - '3.10'
@@ -147,10 +161,7 @@ jobs:
         cache-dependency-glob: pyproject.toml
 
     - name: Run mypy
-      run: |
-        uvx --python ${{ matrix.python-version }} \
-          --with-requirements=requirements/typecheck.txt --with . \
-          mypy src/cmasher
+      run: uv run -p ${{ matrix.python-version }} --group dev mypy src/cmasher
 
   docs:
     name: Build docs
@@ -169,8 +180,8 @@ jobs:
 
     - name: Build
       run: |
-        uvx --python 3.12 --with-requirements=docs/requirements.txt --from sphinx \
-          sphinx-build -M html docs/source site -W
+        uvx -p 3.13 --with-requirements=docs/requirements.txt --compile-bytecode \
+          --from sphinx sphinx-build -M html docs/source site -W
     - name: Upload artifacts
       uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3
       with:

MANIFEST.in

@@ -2,7 +2,6 @@ include LICENSE
 include CITATION
 include README.rst
 include MANIFEST.in
-include requirements/*.txt
 include conftest.py
 recursive-include cmasher data/*
 recursive-exclude cmasher/colormaps *

pyproject.toml

@@ -45,13 +45,32 @@ Documentation = "https://cmasher.readthedocs.io"
 [project.scripts]
 cmr = "cmasher.cli_tools:main"
 
+[dependency-groups]
+dev = [
+    "coverage[toml]>=7.6.4",
+    "mypy>=1.7.1",
+    "pytest>=4.6.0",
+    "pytest-mpl>=0.13.0",
+]
+
 [tool.hatch.build]
 exclude = [
   "scripts",
 ]
 
+[tool.setuptools]
+package-dir = {cmasher = "cmasher"}
+include-package-data = true
+zip-safe = false
+platforms = [
+    "Windows",
+    "Mac OS-X",
+    "Linux",
+    "Unix",
+]
+
 [tool.pytest.ini_options]
-addopts = "-v"
+addopts = "-v -ra"
 filterwarnings = [
   "error",
   "ignore:FigureCanvasAgg is non-interactive:UserWarning",

src/cmasher/utils.py

@@ -1545,7 +1545,7 @@ def take_cmap_colors(
 
     # Convert colors to proper format
     if return_fmt in ("float", "norm", "int", "8bit"):
-        colors = np.apply_along_axis(to_rgb, 1, colors)  # type: ignore [arg-type]
+        colors = np.apply_along_axis(to_rgb, 1, colors)  # type: ignore [call-overload]
         if return_fmt in ("int", "8bit"):
             colors = np.array(np.rint(colors * 255), dtype=int)
         colors = list(map(tuple, colors))