Use uv instead of pip install for github CI (#2546)

* Test uv

* Workflow dispatch

* Modify

* Setuptools...apparently?

* No need for -y

* Rm cache

* Rm workflow dispatch

* Trainer tests

* Might need to be -e

* Try keeping it at absolute home

* Undo integration

.github/workflows/test.yml

@@ -44,22 +44,20 @@ jobs:
       with:
         python-version: 3.8
 
-    - name: Activate python cache
-      uses: actions/cache@v3
-      with:
-        path: |
-          ${{ env.pythonLocation }}
-          ${{ env.HF_HOME }}
-        key: ${{ env.pythonLocation }}-${{ matrix.pytorch-version }}-${{ matrix.test-kind }}-${{ hashFiles('setup.py') }}
+    - name: Setup uv
+      run: | 
+          curl -LsSf https://astral.sh/uv/install.sh | sh
+          uv venv .venv
+          echo "VIRTUAL_ENV=.venv" >> $GITHUB_ENV
+          echo "$PWD/.venv/bin" >> $GITHUB_PATH
     
     - name: Install the library
       run: |
-        pip install --upgrade pip
-        if [[ ${{ matrix.test-kind }} = test_prod ]]; then pip install -e .[test_prod]; fi
-        if [[ ${{ matrix.test-kind }} != test_prod ]]; then pip install -e .[testing,test_trackers]; fi
-        if [[ ${{ matrix.test-kind }} = test_rest ]]; then pip uninstall comet_ml -y; fi
-        if [[ ${{ matrix.test-kind }} = minimum ]]; then pip install torch==1.10.0; fi
-        pip install pytest-reportlog tabulate
+        if [[ ${{ matrix.test-kind }} = test_prod ]]; then uv pip install -e .[test_prod]; fi
+        if [[ ${{ matrix.test-kind }} != test_prod ]]; then uv pip install -e .[testing,test_trackers]; fi
+        if [[ ${{ matrix.test-kind }} = test_rest ]]; then uv pip uninstall comet_ml; fi
+        if [[ ${{ matrix.test-kind }} = minimum ]]; then uv pip install torch==1.10.0; fi
+        uv pip install pytest-reportlog tabulate setuptools
     
     - name: Run Tests
       env: