Implement a new bootstrapping method

.github/workflows/main.yml

@@ -39,14 +39,21 @@ jobs:
 
       - name: Bootstrap poetry
         shell: bash
-        run: |
-          python -m ensurepip
-          python -m pip install --upgrade pip
-          python -m pip install .
+        run: python install-poetry.py -y
+
+      - name: Update PATH
+        if: ${{ matrix.os != 'Windows' }}
+        shell: bash
+        run: echo "$HOME/.local/bin" >> $GITHUB_PATH
+
+      - name: Update Path for Windows
+        if: ${{ matrix.os == 'Windows' }}
+        shell: bash
+        run: echo "$APPDATA\Python\Scripts" >> $GITHUB_PATH
 
       - name: Configure poetry
         shell: bash
-        run: python -m poetry config virtualenvs.in-project true
+        run: poetry config virtualenvs.in-project true
 
       - name: Set up cache
         uses: actions/cache@v2
@@ -58,12 +65,12 @@ jobs:
       - name: Ensure cache is healthy
         if: steps.cache.outputs.cache-hit == 'true'
         shell: bash
-        run: timeout 10s python -m poetry run pip --version || rm -rf .venv
+        run: timeout 10s poetry run pip --version || rm -rf .venv
 
       - name: Install dependencies
         shell: bash
-        run: python -m poetry install
+        run: poetry install
 
       - name: Run pytest
         shell: bash
-        run: python -m poetry run python -m pytest -p no:sugar -q tests/
+        run: poetry run python -m pytest -p no:sugar -q tests/