[Website] Improve website build workflow

.github/workflows/buildwebsite.yml

@@ -12,42 +12,53 @@ jobs:
     strategy: 
       fail-fast: false
     steps:
-      - name: Checkout repository
-        uses: actions/checkout@v2
-
       - name: Install Linux dependencies
         run: |
           sudo apt-get install libopenblas-dev texlive texlive-latex-extra pandoc
+
       - name: Setup python
         uses: actions/setup-python@v2
         with:
           python-version: 3.7
           architecture: x64
 
+      - name: Configure AWS Credentials
+        uses: aws-actions/configure-aws-credentials@v1
+        with:
+          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
+          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+          aws-region: us-east-1
+
       - name: Install Other Dependencies
         run: |
           python -m pip install --quiet --upgrade pip
           python -m pip install --upgrade cython
           python -m pip install --pre "mxnet>=2.0.0b20200802" -f https://dist.mxnet.io/python
-          python -m pip install --quiet -e .[extras]
           python -m pip install setuptools ipython sphinx>=1.5.5 sphinx-gallery nbsphinx sphinx_rtd_theme mxtheme sphinx-autodoc-typehints matplotlib Image recommonmark
 
-      - name: Configure AWS Credentials
-        uses: aws-actions/configure-aws-credentials@v1
-        with:
-          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
-          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
-          aws-region: us-east-1
+      - name: Checkout repository(For push)
+        if: ${{ github.event_name == 'push' }}
+        uses: actions/checkout@v2
 
       - name: Compile Notebooks(For push)
         if: ${{ github.event_name == 'push' }}
         run: |
+          python -m pip install --quiet -e .[extras]
           ./tools/batch/batch_states/compile_notebooks.sh \
                  "push" "${{ github.run_number }}" \
                  "${{ github.repository }}" "${{ github.ref }}"
+
+      - name: Checkout Pull Request Repository(For pull request)
+        if: ${{ github.event_name == 'pull_request' || github.event_name == 'pull_request_target' }}
+        uses: actions/checkout@v2
+        with:
+          repository: ${{ github.event.pull_request.head.repo.full_name }}
+          ref: ${{ github.event.pull_request.head.ref }}
+
       - name: Compile Notebooks(For pull request)
         if: ${{ github.event_name == 'pull_request' || github.event_name == 'pull_request_target' }}
         run: |
+          python -m pip install --quiet -e .[extras]
           ./tools/batch/batch_states/compile_notebooks.sh \
                  "#PR-${{ github.event.number }}" "${{ github.run_number }}" \
                  "${{ github.event.pull_request.head.repo.full_name }}" "${{ github.event.pull_request.head.ref }}"