Fix use of deprecated API and update test matrix

.github/workflows/docs.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [ '3.7', '3.8', '3.9' ]
+        python-version: [ '3.7', '3.9', '3.10' ]
     steps:
       - name: Check out repository code
         uses: actions/checkout@v2

.github/workflows/tests.yml

@@ -8,40 +8,35 @@ on:
 
 jobs:
   run-tests:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: [ '3.7', '3.8', '3.9' ]
+        os: ['ubuntu-latest', 'macos-latest', 'windows-latest']
+        python-version: [ '3.7', '3.8', '3.9', '3.10', 'pypy-3.7']
+        exclude:
+          - os: "windows-latest"
+            python-version: "pypy-3.7"
+          - os: "macos-latest"
+            python-version: "3.8"
     steps:
       - name: Check out repository code
         uses: actions/checkout@v2
-      - name: Install dependencies
+      - name: Run base setup actions
+        uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
+
+      - name: Install Linux dependencies
+        if: startsWith(runner.os, 'Linux')
         run: |
           sudo apt-get update
           sudo apt-get install texlive-plain-generic inkscape texlive-xetex
 
           # pandoc is not up to date in the ubuntu repos, so we install directly
           wget https://github.com/jgm/pandoc/releases/download/2.14.2/pandoc-2.14.2-1-amd64.deb && sudo dpkg -i pandoc-2.14.2-1-amd64.deb
 
-      - name: Install Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v2
-        with:
-          python-version: ${{ matrix.python-version }}
-          architecture: 'x64'
-      - name: Cache pip on Linux
-        uses: actions/cache@v2
-        if: startsWith(runner.os, 'Linux')
-        with:
-          path: ~/.cache/pip
-          key: ${{ runner.os }}-pip-${{ matrix.python-version }}-${{ hashFiles('setup.py') }}
-          restore-keys: |
-            ${{ runner.os }}-pip-${{ matrix.python-version }}
-
       - name: Install package dependencies
         run: |
-          pip install --upgrade setuptools pip pytest
-          pip install -f travis-wheels/wheelhouse . codecov coverage
-          pip install nbconvert[execute,serve,test]
+          pip install codecov
+          pip install -e ".[execute,serve,test]"
           pip install check-manifest
           python -m ipykernel.kernelspec --user
 
@@ -50,14 +45,27 @@ jobs:
           pip freeze
           pip check
 
-      - name: Run tests
+      - name: Run tests with coverage
+        if: ${{ !startsWith(matrix.python-version, 'pypy') && !startsWith(runner.os, 'Windows')  }}
         env:
           PYTHONWARNINGS: default
         run: |
           check-manifest --ignore "share/**"
+          # See https://github.com/pyppeteer/pyppeteer/pull/321
+          pip install -U websockets
+          # cd so we test the install, not the repo
+          cd $HOME
+          pytest --cov nbconvert -v --pyargs nbconvert
+
+      - name: Run tests on pypy and Windows
+        if: ${{ startsWith(matrix.python-version, 'pypy') || startsWith(runner.os, 'Windows')  }}
+        shell: bash
+        run: |
           # cd so we test the install, not the repo
-          cd `mktemp -d`
-          py.test --cov nbconvert -v --pyargs nbconvert
+          cd $HOME
+          # See https://github.com/pyppeteer/pyppeteer/pull/321
+          pip install -U websockets
+          pytest -v --pyargs nbconvert
 
       - name: Code coverage
         run: codecov

nbconvert/preprocessors/tests/test_svg2pdf.py

@@ -73,6 +73,7 @@ def test_output(self):
         nb, res = preprocessor(nb, res)
         self.assertIn('application/pdf', nb.cells[0].outputs[0].data)
 
+    @onlyif_cmds_exist('inkscape')
     @patch('subprocess.Popen')
     def test_inkscape_version_default(self, mock_popen):
         mock_popen().communicate.return_value = (b'Inkscape 0.92.3 (2405546, 2018-03-11)', b'')

nbconvert/tests/test_nbconvertapp.py

@@ -287,6 +287,7 @@ def test_filename_accent_pdf(self):
                     ' --PDFExporter.verbose=True')
             assert os.path.isfile(u'nb1_análisis.pdf')
 
+    @pytest.mark.skipif(os.name == 'nt', reason='CLI parsing does not work the same on Windows')
     def test_cwd_plugin(self):
         """
         Verify that an extension in the cwd can be imported.
@@ -553,7 +554,7 @@ def fig_exists(path):
 
     def test_widgets_from_nbconvert(self):
         """Check jupyter widgets URL"""
-        
+
         with self.create_temp_cwd(["Widget_List.ipynb"]):
             self.nbconvert('Widget_List.ipynb --log-level 0 --to html')
             assert os.path.isfile('Widget_List.html')
@@ -568,7 +569,7 @@ def test_widgets_from_htmlexporter(self):
                 nb = nbformat.read(f, 4)
 
             output, _ = HTMLExporter().from_notebook_node(nb)
-            
+
             assert "var widgetRendererSrc = 'https://unpkg.com/@jupyter-widgets/html-manager@*/dist/embed-amd.js';" in output
 
     def test_execute_widgets_from_nbconvert(self):

nbconvert/utils/version.py

@@ -8,7 +8,7 @@
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 
-from distutils.version import LooseVersion
+from packaging.version import Version
 
 
 def check_version(v, min_v, max_v=None):
@@ -27,9 +27,9 @@ def check_version(v, min_v, max_v=None):
     is satisfied. Users on dev branches are responsible for keeping their own
     packages up to date.
     """
-    
+
     try:
-        below_max = LooseVersion(v) < LooseVersion(max_v) if max_v is not None else True
-        return LooseVersion(v) >= LooseVersion(min_v) and below_max
+        below_max = Version(v) < Version(max_v) if max_v is not None else True
+        return Version(v) >= Version(min_v) and below_max
     except TypeError:
         return True