Switch to uv

.github/workflows/ci.yaml

@@ -20,55 +20,43 @@ jobs:
   build:
     name: Build (${{ matrix.python-version }}, ${{ matrix.os }}), ${{ matrix.env }}
     runs-on: ${{ matrix.os }}
-    defaults:
-      run:
-        shell: bash -l {0}
     strategy:
       fail-fast: false
       matrix:
         os: ["ubuntu-latest"]
         python-version: ["3.11", "3.13"]
-        env: [""]
+        env: ["test"]
         include:
-          - env: "all-min-deps"
+          - env: "test-min-deps"
             python-version: "3.11"
             os: ubuntu-latest
-          - env: "no-optional-deps"
+          - env: "test-no-optional"
             python-version: "3.13"
             os: ubuntu-latest
     steps:
       - uses: actions/checkout@v5
         with:
           fetch-depth: 0 # Fetch all history for all branches and tags.
-      - name: Set environment variables
-        run: |
-          echo "PYTHON_VERSION=${{ matrix.python-version }}" >> $GITHUB_ENV
-          if [[ "${{ matrix.env }}" == "" ]] ;
-          then
-              echo "CONDA_ENV_FILE=ci/environment.yml" >> $GITHUB_ENV
-          fi
-          if [[ "${{ matrix.env }}" == "no-optional-deps" ]] ;
-          then
-              echo "CONDA_ENV_FILE=ci/environment-no-optional-deps.yml" >> $GITHUB_ENV
-          fi
-          if [[ "${{ matrix.env }}" == "all-min-deps" ]] ;
-          then
-              echo "CONDA_ENV_FILE=ci/environment-all-min-deps.yml" >> $GITHUB_ENV
-          fi
-      - name: Set up conda environment
-        uses: mamba-org/setup-micromamba@v2
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v4
         with:
-          environment-file: ${{ env.CONDA_ENV_FILE }}
-          environment-name: cf_xarray_test
-          cache-environment: true
-          create-args: >-
-            python=${{ matrix.python-version }}
-      - name: Install cf_xarray
+          enable-cache: true
+
+      - name: Install dependencies
         run: |
-          python -m pip install --no-deps -e .
+          uv pip install --system -e .
+          uv pip install --system --group ${{ matrix.env }}
+
       - name: Run Tests
         run: |
           pytest -n auto --cov=./ --cov-report=xml
+
       - name: Upload code coverage to Codecov
         uses: codecov/codecov-action@v5.5.0
         with:
@@ -81,33 +69,34 @@ jobs:
   mypy:
     name: mypy
     runs-on: "ubuntu-latest"
-    defaults:
-      run:
-        shell: bash -l {0}
     strategy:
       matrix:
         python-version: ["3.11", "3.13"]
     steps:
       - uses: actions/checkout@v5
         with:
           fetch-depth: 0 # Fetch all history for all branches and tags.
-      - name: Set up conda environment
-        uses: mamba-org/setup-micromamba@v2
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
         with:
-          environment-file: ci/environment.yml
-          environment-name: cf_xarray_test
-          cache-environment: true
-          create-args: >-
-            python=${{ matrix.python-version }}
-      - name: Install cf_xarray
-        run: |
-          python -m pip install --no-deps -e .
-      - name: Install mypy
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v4
+        with:
+          enable-cache: true
+
+      - name: Install dependencies
         run: |
-          python -m pip install 'mypy'
+          uv pip install --system -e .
+          uv pip install --system --group test
+          uv pip install --system --group typing
+
       - name: Run mypy
         run: |
           python -m mypy --install-types --non-interactive --cobertura-xml-report mypy_report cf_xarray/
+
       - name: Upload mypy coverage to Codecov
         uses: codecov/codecov-action@v5.5.0
         with:

.github/workflows/upstream-dev-ci.yaml

@@ -8,7 +8,7 @@ on:
     branches:
       - main
   schedule:
-    - cron: "0 0 * * *" # Daily “At 00:00” UTC
+    - cron: "0 0 * * *" # Daily "At 00:00" UTC
   workflow_dispatch: # allows you to trigger the workflow run manually
 
 concurrency:
@@ -23,9 +23,6 @@ jobs:
     name: upstream-dev
     runs-on: ubuntu-latest
     if: ${{ (contains( github.event.pull_request.labels.*.name, 'test-upstream') && github.event_name == 'pull_request') || github.event_name == 'workflow_dispatch' || github.event_name == 'schedule' }}
-    defaults:
-      run:
-        shell: bash -l {0}
     strategy:
       fail-fast: false
       matrix:
@@ -34,20 +31,20 @@ jobs:
       - uses: actions/checkout@v5
         with:
           fetch-depth: 0 # Fetch all history for all branches and tags.
-      - name: Set environment variables
-        run: |
-          echo "PYTHON_VERSION=${{ matrix.python-version }}" >> $GITHUB_ENV
-      - name: Set up conda environment
-        uses: mamba-org/setup-micromamba@v2
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
         with:
-          environment-file: ci/upstream-dev-env.yml
-          environment-name: cf_xarray_test
-          cache-env: False
-          create-args: >-
-            python=${{ matrix.python-version }}
-      - name: Install cf_xarray
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v4
+
+      - name: Install dependencies
         run: |
-          python -m pip install --no-deps -e .
+          uv pip install --system -e .
+          uv pip install --system --group test-upstream
+
       - name: Run Tests
         if: success()
         id: status

.readthedocs.yml

@@ -4,16 +4,17 @@ sphinx:
 build:
   os: ubuntu-lts-latest
   tools:
-    python: mambaforge-latest
+    python: "3.11"
   jobs:
+    pre_create_environment:
+      - asdf plugin add uv
+      - asdf install uv latest
+      - asdf global uv latest
+    create_environment:
+      - uv venv "${READTHEDOCS_VIRTUALENV_PATH}"
+    install:
+      - UV_PROJECT_ENVIRONMENT="${READTHEDOCS_VIRTUALENV_PATH}" uv sync --frozen --group docs
     post_checkout:
       - (git --no-pager log --pretty="tformat:%s" -1 | grep -vqF "[skip-rtd]") || exit 183
-    pre_install:
-      - conda list sphinx
-      - conda list cf_xarray
-      - conda list
-
-conda:
-  environment: ci/doc.yml
 
 formats: []