Replace Poetry with uv in CI

.github/workflows/tests.yml

@@ -50,53 +50,32 @@ jobs:
       with:
         python-version: ${{ matrix.python-version }}
 
-    # The following steps are based on https://github.com/python-poetry/poetry/blob/def1ee8f3ae00c307ca028da53d2347615c5c32b/.github/workflows/main.yml#L51-L84
-    - name: Get full Python version
-      id: full-python-version
-      run: echo version=$(python -c "import sys; print('-'.join(str(v) for v in sys.version_info))") >> $GITHUB_OUTPUT
-
-    - name: Bootstrap poetry
-      run: |
-        curl -sL https://install.python-poetry.org | python - -y
-
-    - name: Update PATH
-      run: echo "$HOME/.local/bin" >> $GITHUB_PATH
-
-    - name: Configure poetry
-      run: poetry config virtualenvs.in-project true
-
-    - name: Set up cache
-      uses: actions/cache@v4
-      id: cache
+    - name: Install the latest version of uv
+      uses: astral-sh/setup-uv@v3
       with:
-        path: .venv
-        key: venv-${{ runner.os }}-${{ steps.full-python-version.outputs.version }}-${{ hashFiles('**/poetry.lock') }}
-
-    - name: Ensure cache is healthy
-      if: steps.cache.outputs.cache-hit == 'true'
-      run: timeout 10s pip --version || rm -rf .venv
+        version: "latest"
+        enable-cache: true
 
     - name: Install a specific version of Streamlit
       if: ${{ matrix.streamlit-version }}
       run: |
-        poetry remove -D streamlit
-        poetry add -D streamlit=="${STREAMLIT_VERSION}"
+        uv pip uninstall streamlit
+        uv pip install streamlit=="${STREAMLIT_VERSION}"
       env:
         STREAMLIT_VERSION: ${{ matrix.streamlit-version }}
     - name: Install dependencies
-      run: poetry install
+      run: uv sync
     - name: Show Python and Streamlit versions
       run: |
         python -V
-        poetry run streamlit version
-    - name: Lint with black, isort, and flake8
+        uv run streamlit version
+    - name: Run Ruff
       run: |
-        poetry run black . --check
-        poetry run isort . --check
-        poetry run flake8
+        uv run ruff check --output-format=github .
+        uv run ruff format . --check
     - name: Type checking with mypy
       run: |
-        poetry run mypy .
+        uv run mypy .
     - name: Test with pytest
       run: |
-        poetry run pytest
+        uv run pytest