Merge pull request #213 from neutrinoceros/bld/flit-core-311

BLD: switch build backend to `flit-core`

.github/workflows/ci.yml

@@ -46,15 +46,17 @@ jobs:
       with:
         python-version: ${{ matrix.python-version }}
 
+    # install the package without constaints first so build-time requirements
+    # are not affected by install-args
+    - run: uv sync --no-editable
+
+    # forcing bytecode compilation for colorspacious
+    # see https://github.com/astral-sh/uv/issues/4758
+    # Cannot use --frozen here because it overrides options like --resolution
+    - run: uv sync --group test --compile-bytecode --no-install-project --inexact ${{ matrix.install-args }}
+
     - name: Run test suite
-      shell: bash # for windows compat
-      # forcing bytecode compilation for colorspacious
-      # see https://github.com/astral-sh/uv/issues/4758
-      # Cannot use --frozen here because it overrides options like --resolution
-      run: |
-        uv run --no-editable --compile-bytecode \
-          --group test ${{ matrix.install-args }} \
-          pytest --color yes -ra
+      run: uv run --no-sync pytest --color yes -ra
 
     - uses: actions/upload-artifact@65c4c4a1ddee5b72f698fdd19549f0f0fb45cf08 # v4.6.0
       if: failure()

pyproject.toml

@@ -1,6 +1,6 @@
 [build-system]
-requires = ["hatchling"]
-build-backend = "hatchling.build"
+requires = ["flit_core >=3.11,<4"]
+build-backend = "flit_core.buildapi"
 
 [project]
 name = "cmyt"
@@ -9,11 +9,12 @@ description = "A collection of Matplotlib colormaps from the yt project"
 authors = [
     { name = "The yt project", email = "yt-dev@python.org" },
 ]
+license = "BSD-3-Clause"
+license-files = ["LICENSE"]
 classifiers = [
     "Development Status :: 5 - Production/Stable",
     "Framework :: Matplotlib",
     "Intended Audience :: Science/Research",
-    "License :: OSI Approved :: BSD License",
     "Operating System :: MacOS :: MacOS X",
     "Operating System :: POSIX :: AIX",
     "Operating System :: POSIX :: Linux",
@@ -30,9 +31,6 @@ dependencies = [
     "numpy>=1.26.0, <3",
 ]
 
-[project.license]
-text = "BSD 3-Clause"
-
 [project.readme]
 file = "README.md"
 content-type = "text/markdown"
@@ -52,13 +50,6 @@ test = [
     "pytest>=6.2.4",
 ]
 
-[tool.hatch.build.targets.sdist]
-exclude = [
-    ".*",  # exclude dot files (.gitignore is still included)
-    "doc",
-    "tests",
-]
-
 [tool.ruff.lint]
 exclude = ["*__init__.py"]
 ignore = ["E501"]