build: switch to hatchling + hatch-vcs and add PyPI publish workflow (#15)

Replace uv_build with hatchling/hatch-vcs for automatic git-tag versioning.
Add GitHub Actions workflow for publishing to PyPI on release via trusted publishing.

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

Author: PythonFZ

.github/workflows/publish.yaml

@@ -0,0 +1,42 @@
+name: Build and upload to PyPI
+
+on:
+  workflow_dispatch:
+  release:
+    types:
+      - published
+
+jobs:
+  build:
+    name: Build distribution
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - uses: astral-sh/setup-uv@v5
+      - name: Build sdist and wheel
+        run: uv build
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: dist
+          path: dist/*
+
+  upload_pypi:
+    needs: [build]
+    environment:
+      name: pypi
+      url: https://pypi.org/p/asebytes
+    permissions:
+      id-token: write
+    runs-on: ubuntu-latest
+    if: github.event_name == 'workflow_dispatch' || (github.event_name == 'release' && github.event.action == 'published')
+    steps:
+      - name: Download all artifacts
+        uses: actions/download-artifact@v4
+        with:
+          name: dist
+          path: dist
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1

.gitignore

@@ -19,3 +19,6 @@ benchmark_results.json
 
 # Git worktrees
 .worktrees/
+
+# hatch-vcs generated version file
+src/asebytes/_version.py

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "asebytes"
-version = "0.3.0"
+dynamic = ["version"]
 description = "Fast binary serialization and storage for ASE Atoms."
 authors = [
     { name = "Fabian Zills", email = "fzills@icp.uni-stuttgart.de" },
@@ -15,8 +15,8 @@ dependencies = [
 ]
 
 [build-system]
-requires = ["uv_build>=0.9.6,<0.10.0"]
-build-backend = "uv_build"
+requires = ["hatchling", "hatch-vcs"]
+build-backend = "hatchling.build"
 
 [dependency-groups]
 dev = [
@@ -62,6 +62,12 @@ redis = [
     "redis>=5.0",
 ]
 
+[tool.hatch.version]
+source = "vcs"
+
+[tool.hatch.build.hooks.vcs]
+version-file = "src/asebytes/_version.py"
+
 [tool.pytest.ini_options]
 testpaths = ["tests"]
 python_files = ["test_*.py"]