switch over to uv

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
 
     steps:
     - uses: actions/checkout@v4
@@ -27,18 +27,24 @@ jobs:
     - name: Install dependencies
       run: |
         pip install --upgrade pip
-        pip install -r dev-requirements.txt 
-        pip install .
+        pip install uv
+        uv venv
+        source .venv/bin/activate
+        uv pip install -r dev-requirements.txt 
+        uv pip install .
     - name: Check ruff
       run: |
+        source .venv/bin/activate
         ruff check . --exclude tests
         ruff format --check .
     - name: Test with pytest and report coverage
       run: |
+        source .venv/bin/activate
         cd tests
         coverage run --branch --source=../ -m pytest
         coverage report
         cd ..
     - name: Enforce module boundaries/dependencies
       run:
+        source .venv/bin/activate
         tach check