Migrate to PEP 621 compliant pyproject.toml

.github/workflows/ci.yml

@@ -10,9 +10,6 @@ on:
   schedule:
     - cron: '30 2 * * 1,4' # Every Monday and Thursday @ 2h30am UTC
 
-env:
-  POETRY_VERSION: 2.1.3
-
 jobs:
   check_skip:
     runs-on: ubuntu-latest
@@ -40,27 +37,16 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
 
-      - name: Install Poetry
-        uses: abatilo/actions-poetry@v4
-        with:
-          poetry-version: ${{ env.POETRY_VERSION }}
-
-      - name: Test poetry run
-        run: poetry --version
-
       - name: Checkout source
         uses: actions/checkout@v6
         with:
           fetch-depth: 1
 
-      - name: Setup a virtual environment appropriate to the python version
-        run: poetry env use python${{ matrix.python-version }}
-
       - name: Install xarray-fits
-        run: poetry install --extras "testing"
+        run: pip install .[testing]
 
       - name: Test xarray-fits
-        run: poetry run py.test -s -vvv tests/
+        run: py.test -s -vvv tests
 
       # - name: Debug with tmate on failure
       #   if: ${{ failure() }}
@@ -75,25 +61,22 @@ jobs:
     permissions:
       id-token: write
     steps:
-      - name: Install Poetry
-        uses: abatilo/actions-poetry@v4
-        with:
-          poetry-version: ${{ env.POETRY_VERSION }}
-
-      - name: Checkout source
-        uses: actions/checkout@v6
-        with:
+     - name: Checkout source
+       uses: actions/checkout@v6
+       with:
           fetch-depth: 1
 
-      - name: Build distributions
-        run: poetry build
+     - name: Build distributions
+       run: |
+        pip install -U pip build
+        python -m build --sdist --wheel
 
-      - name: Publish package distributions to Test PyPI
-        uses: pypa/gh-action-pypi-publish@release/v1
-        with:
-          repository-url: https://test.pypi.org/legacy/
-          skip-existing: true
-        continue-on-error: true
+     - name: Publish package distributions to Test PyPI
+       uses: pypa/gh-action-pypi-publish@release/v1
+       with:
+        repository-url: https://test.pypi.org/legacy/
+        skip-existing: true
+       continue-on-error: true
 
   upload-to-pypi:
     name: Upload release to PyPI
@@ -105,18 +88,15 @@ jobs:
     permissions:
       id-token: write
     steps:
-      - name: Install Poetry
-        uses: abatilo/actions-poetry@v4
-        with:
-          poetry-version: ${{ env.POETRY_VERSION }}
-
-      - name: Checkout source
-        uses: actions/checkout@v6
-        with:
+     - name: Checkout source
+       uses: actions/checkout@v6
+       with:
           fetch-depth: 1
 
-      - name: Build distributions
-        run: poetry build
+     - name: Build distributions
+       run: |
+        pip install -U pip build
+        python -m build --sdist --wheel
 
-      - name: Publish package distributions to PyPI
-        uses: pypa/gh-action-pypi-publish@release/v1
+     - name: Publish package distributions to PyPI
+       uses: pypa/gh-action-pypi-publish@release/v1

HISTORY.rst

@@ -2,6 +2,10 @@
 History
 =======
 
+X.Y.Z (YYYY-MM-DD)
+------------------
+* Migrate to PEP 621 compliant pyproject.toml (:pr:`47`)
+
 0.2.5 (2025-05-20)
 ------------------
 * Include full range of 2024 calver dependencies (:pr:`42`)

docs/source/conf.py

@@ -7,7 +7,7 @@
 
 with open("../../pyproject.toml", "rb") as f:
     toml = tomli.load(f)
-    pyproject = toml["tool"]["poetry"]
+    pyproject = toml["project"]
 
 project = pyproject["name"]
 copyright = f"{datetime.now().year}, South African Radio Astronomy Observatory (SARAO)"

pyproject.toml

@@ -1,27 +1,34 @@
-[tool.poetry]
+[project]
 name = "xarray-fits"
 version = "0.2.5"
 description = "xarray Datasets for FITS-like data"
-authors = ["Simon Perkins <simon.perkins@gmail.com>"]
-packages = [{include = "xarrayfits"}]
+authors = [{name = "Simon Perkins", email = "simon.perkins@gmail.com"}]
 readme = "README.rst"
+requires-python = ">=3.9"
+dependencies = [
+    "astropy>=6.0.0,<7",
+    "dask[array]>=2024.1.0,<2025",
+    "xarray>=2024,<2025",
+    "fsspec>=2024,<2025",
+]
 
-[tool.poetry.dependencies]
-python = "^3.9"
-astropy = "^6.0.0"
-dask = {extras = ["array"], version = ">= 2024.1.0, < 2025"}
-xarray = "^2024"
-pytest = {version = "^8.1.1", optional = true, extras = ["testing"]}
-distributed = {version = ">= 2024.1.0, < 2025", optional = true, extras = ["testing"]}
-fsspec = "^2024"
+[project.optional-dependencies]
+testing = [
+    "pytest>=8.1.1,<9",
+    "distributed>=2024.1.0,<2025",
+]
+dev = [
+    "tbump>=6.9.0,<7",
+    "pre-commit>=2.20.0,<3",
+    "ruff>=0.1.3,<0.2",
+]
 
-[tool.poetry.extras]
-testing = ["distributed", "pytest"]
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
 
-[tool.poetry.group.dev.dependencies]
-tbump = "^6.9.0"
-pre-commit = "^2.20.0"
-ruff = "^0.1.3"
+[tool.hatch.build.targets.wheel]
+packages = ["xarrayfits"]
 
 [tool.ruff]
 line-length = 88
@@ -40,7 +47,3 @@ select = [
 ]
 
 extend-select = ["I"]
-
-[build-system]
-requires = ["poetry-core"]
-build-backend = "poetry.core.masonry.api"