Switch to use uv instead of Poetry

.github/workflows/checks.yml

@@ -20,19 +20,17 @@ jobs:
         with:
           persist-credentials: false
 
-      - name: Install Poetry
-        run: pipx install poetry
-
-      - name: Set up Python
-        uses: actions/setup-python@v5
+      - name: Install uv
+        uses: astral-sh/setup-uv@v5
         with:
-          cache: poetry
+          enable-cache: true
 
       - name: Install dependencies
-        run: poetry install
+        run: uv sync --frozen
 
       - name: Run mypy
-        run: poetry run mypy .
+        run: uv run mypy .
+
 
   nix-flake:
     runs-on: ubuntu-24.04
@@ -49,15 +47,13 @@ jobs:
       - name: Install Nix
         uses: DeterminateSystems/nix-installer-action@v16
 
-      - name: Cache Nix
-        uses: DeterminateSystems/magic-nix-cache-action@v9
-
       - name: Build package
         run: nix build
 
       - name: Run command
         run: nix run
 
+
   pre-commit:
     runs-on: ubuntu-24.04
 
@@ -73,40 +69,41 @@ jobs:
       - name: Run pre-commit
         uses: pre-commit/action@v3.0.1
 
+
   pytest:
     runs-on: ubuntu-24.04
 
     strategy:
       fail-fast: false
       matrix:
+        package-resolution:
+          - --frozen
+          - --resolution=lowest
         python-version:
           - "3.9"
           - "3.10"
           - "3.11"
           - "3.12"
           - "3.13"
-          - "3.14-dev"
+          - "3.14"
 
     steps:
       - name: Checkout the code
         uses: actions/checkout@v4
         with:
           persist-credentials: false
 
-      - name: Install Poetry
-        run: pipx install poetry
-
-      - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+      - name: Install uv
+        uses: astral-sh/setup-uv@v5
         with:
           python-version: ${{ matrix.python-version }}
-          cache: poetry
 
       - name: Install dependencies
-        run: poetry install
+        run: uv sync ${{ matrix.package-resolution }}
 
       - name: Run pytest
-        run: poetry run pytest
+        run: uv run pytest
+
 
   usage:
     runs-on: ubuntu-24.04
@@ -117,21 +114,20 @@ jobs:
         with:
           persist-credentials: false
 
-      - name: Install Poetry
-        run: pipx install poetry
-
-      - name: Set up Python
-        uses: actions/setup-python@v5
+      - name: Install uv
+        uses: astral-sh/setup-uv@v5
         with:
-          cache: poetry
+          enable-cache: true
 
       - name: Install dependencies
-        run: poetry install
+        run: uv sync --frozen
+
+      - name: Generate usage.md
+        run: uv run ./generate-usage.sh
 
       - name: Check usage.md is up-to-date
-        run: |
-          poetry run ./generate-usage.sh
-          git diff --exit-code
+        run: git diff --exit-code
+
 
   all-checks-passed:
     if: always()

.github/workflows/release-to-pypi.yml

@@ -21,17 +21,16 @@ jobs:
         with:
           persist-credentials: false
 
-      - name: Install Poetry
-        run: pipx install poetry
-
-      - name: Set up Python
-        uses: actions/setup-python@v5
+      - name: Install uv
+        uses: astral-sh/setup-uv@v5
+        with:
+          enable-cache: false
 
       - name: Install dependencies
-        run: poetry install
+        run: uv sync --frozen
 
       - name: Build package
-        run: poetry build
+        run: uv build
 
       - name: Attest
         uses: actions/attest-build-provenance@v2

README.md

@@ -44,10 +44,10 @@ Development
 -----------
 
 The code base is fully type annotated and test coverage is being enforced.
-Types can be checked via `poetry run mypy .` and tests via `poetry run pytest`.
+Types can be checked via `uv run mypy .` and tests via `uv run pytest`.
 
 Tests are run for each of the supported Python versions in CI.
 
 [pre-commit](https://pre-commit.com/) used to run Ruff for linting and formatting.
 
-`usage.md` is updated via `poetry run ./generate-usage.sh`.
+`usage.md` is updated via `uv run ./generate-usage.sh`.