✨ add pyproject.toml for poetry transition

.github/workflows/test.yml

@@ -1,4 +1,4 @@
-name: pytest
+name: test
 on:
   pull_request:
     branches:
@@ -15,13 +15,6 @@ jobs:
         uses: actions/setup-python@v2
         with:
           python-version: ${{ matrix.python-version }}
-      - uses: actions/cache@v2
-        id: spleeter-pip-cache
-        with:
-          path: ~/.cache/pip
-          key: ${{ runner.os }}-pip-${{ hashFiles('**/setup.py') }}
-          restore-keys: |
-            ${{ runner.os }}-pip-
       - uses: actions/cache@v2
         env:
           model-release: 1
@@ -31,11 +24,29 @@ jobs:
           key: models-${{ env.model-release }}
           restore-keys: |
             models-${{ env.model-release }}
-      - name: Install dependencies
+      - name: Install ffmpeg
         run: |
           sudo apt-get update && sudo apt-get install -y ffmpeg
-          pip install --upgrade pip setuptools
-          pip install pytest==5.4.3 pytest-xdist==1.32.0 pytest-forked==1.1.3 musdb museval
-          python setup.py install
+      - name: Install Poetry
+        uses: dschep/install-poetry-action@v1.2
+      - name: Cache Poetry virtualenv
+        uses: actions/cache@v1
+        id: cache
+        with:
+          path: ~/.virtualenvs
+          key: poetry-${{ hashFiles('**/poetry.lock') }}
+          restore-keys: |
+            poetry-${{ hashFiles('**/poetry.lock') }}
+      - name: Set Poetry config
+        run: |
+          poetry config settings.virtualenvs.in-project false
+          poetry config settings.virtualenvs.path ~/.virtualenvs
+      - name: Install Dependencies
+        run: poetry install
+        if: steps.cache.outputs.cache-hit != 'true'
+      - name: Code quality checks
+        run: |
+          poetry run black spleeter --check
+          poetry run isort spleeter --check
       - name: Test with pytest
-        run: make test
+        run: poetry run pytest tests/