Add uv venv back - uv pip requires existing venv

uv pip install doesn't auto-create venv, so we need explicit
uv venv before uv pip install. Still simplified by using
default .venv path and uv run for execution.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: gijzelaerr

.github/workflows/linux-build-test-amd64.yml

@@ -60,6 +60,7 @@ jobs:
 
       - name: Install python-snap7
         run: |
+            uv venv
             uv pip install pytest
             uv pip install dist/*.whl
 

.github/workflows/linux-build-test-arm64.yml

@@ -65,6 +65,7 @@ jobs:
             --platform linux/arm64 \
             "arm64v8/python:${{ matrix.python-version }}-bookworm" /bin/bash -s <<EOF
           pip install --upgrade pip uv
+          uv venv
           uv pip install pytest
           uv pip install dist/*.whl
           uv run pytest -m "server or util or client or mainloop or partner"

.github/workflows/linux-test-with-deb.yml

@@ -28,7 +28,9 @@ jobs:
       - name: Install uv
         uses: astral-sh/setup-uv@v5
       - name: Install dependencies
-        run: uv pip install ".[test]"
+        run: |
+          uv venv
+          uv pip install ".[test]"
       - name: Run pytest
         run: |
           uv run pytest -m "server or util or client or mainloop"

.github/workflows/osx-build-test-amd64.yml

@@ -71,6 +71,7 @@ jobs:
 
       - name: Install python-snap7
         run: |
+            uv venv
             uv pip install pytest
             uv pip install dist/*.whl
 

.github/workflows/osx-test-with-brew.yml

@@ -20,8 +20,10 @@ jobs:
       - name: Install uv
         uses: astral-sh/setup-uv@v5
       - name: Install python-snap7
-        run: uv pip install --python python${{ matrix.python-version }} -e ".[test]"
+        run: |
+          uv venv --python python${{ matrix.python-version }}
+          uv pip install -e ".[test]"
       - name: Run pytest
         run: |
-          uv run --python python${{ matrix.python-version }} pytest -m "server or util or client or mainloop"
+          uv run pytest -m "server or util or client or mainloop"
           sudo .venv/bin/pytest -m partner

.github/workflows/publish-pypi.yml

@@ -68,7 +68,9 @@ jobs:
         uses: astral-sh/setup-uv@v5
 
       - name: install python-snap7
-        run: uv pip install --extra-index-url https://test.pypi.org/simple/ python-snap7[test]
+        run: |
+          uv venv
+          uv pip install --extra-index-url https://test.pypi.org/simple/ python-snap7[test]
 
   test-pypi-package-windows:
     runs-on: ${{ matrix.os }}

.github/workflows/publish-test-pypi.yml

@@ -71,7 +71,9 @@ jobs:
         uses: astral-sh/setup-uv@v5
 
       - name: install python-snap7
-        run: uv pip install --extra-index-url https://test.pypi.org/simple/ python-snap7[test]
+        run: |
+          uv venv
+          uv pip install --extra-index-url https://test.pypi.org/simple/ python-snap7[test]
 
   test-pypi-package-windows:
     runs-on: ${{ matrix.os }}