Enable caching of poetry dependencies in github actions (#353)

Attempt to speed up github actions by caching poetry dependencies.

Also install poetry before python and use working directory instead of `cd`.

---------

Co-authored-by: Amir Feizpour <[email protected]>
Co-authored-by: Oshoma Momoh <[email protected]>

.github/workflows/offline_tests.yml

@@ -10,26 +10,22 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
+      - name: Install poetry
+        run: pipx install poetry
+
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
           python-version: 3.11
+          cache: "poetry"
 
-      # Install poetry with virtualenvs disabled for tests
-      - name: Install poetry and dependencies
+      - name: Install dependencies
+        working-directory: ./src
         run: |
-          python -m pip install --upgrade pip
-          python -m pip install poetry
-          cd src
           poetry install
-      
-      # en_core_web_sm required by spacy needs to be installed separately
-      - name: Install extra dependencies
-        run: |
-          cd src
-          poetry run python -m spacy download en_core_web_sm 
+          poetry run python -m spacy download en_core_web_sm
 
       - name: Run tests
-        run: |
-          cd src
-          poetry run pytest --cov=sherpa_ai tests
+        working-directory: ./src
+        run:
+          poetry run pytest --cov=sherpa_ai tests

.github/workflows/online_tests.yml

@@ -10,25 +10,20 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
+      - name: Install poetry
+        run: pipx install poetry
+
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
           python-version: 3.11
+          cache: "poetry"
 
-      # Install poetry with virtualenvs disabled for tests
-      - name: Install poetry and dependencies
+      - name: Install dependencies
+        working-directory: ./src
         run: |
-          python -m pip install --upgrade pip
-          python -m pip install poetry
-          cd src
-          poetry config virtualenvs.create false
           poetry install
-      
-      # en_core_web_sm required by spacy needs to be installed separately
-      - name: Install extra dependencies
-        run: |
-          cd src
-          poetry run python -m spacy download en_core_web_sm 
+          poetry run python -m spacy download en_core_web_sm
 
       - name: Run tests
         env:
@@ -43,6 +38,6 @@ jobs:
           GITHUB_AUTH_TOKEN: ${{ secrets.GITHUBOATHKEY }}
           DAILY_TOKEN_LIMIT: ${{ secrets.TOKENLIMIT }}
           TEMPRATURE: ${{ secrets.TEMPRATURE }}
-        run: |
-          cd src
+        working-directory: ./src
+        run:
           poetry run pytest --external_api --cov=sherpa_ai tests