[workflows/ci.yml] Add support for jython

.github/workflows/ci.yml

@@ -10,28 +10,52 @@ jobs:
         os: [ubuntu-latest]
         # TODO: python 2.6
         python-version: [2.7, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8, 3.9, pypy-2.7, pypy-3.6, pypy-3.7]
+        python-impl: [cpython]
         ytdl-test-set: [core, download]
         run-tests-ext: [sh]
         include:
         # python 3.2 is only available on windows via setup-python
         - os: windows-latest
           python-version: 3.2
+          python-impl: cpython
           ytdl-test-set: core
           run-tests-ext: bat
         - os: windows-latest
           python-version: 3.2
+          python-impl: cpython
           ytdl-test-set: download
           run-tests-ext: bat
+        # jython
+        - os: ubuntu-latest
+          python-impl: jython
+          ytdl-test-set: core
+          run-tests-ext: sh
+        - os: ubuntu-latest
+          python-impl: jython
+          ytdl-test-set: download
+          run-tests-ext: sh
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v2
+      if: ${{ matrix.python-impl == 'cpython' }}
       with:
         python-version: ${{ matrix.python-version }}
+    - name: Set up Java 8
+      if: ${{ matrix.python-impl == 'jython' }}
+      uses: actions/setup-java@v1
+      with:
+        java-version: 8
+    - name: Install Jython
+      if: ${{ matrix.python-impl == 'jython' }}
+      run: |
+        wget http://search.maven.org/remotecontent?filepath=org/python/jython-installer/2.7.1/jython-installer-2.7.1.jar -O jython-installer.jar
+        java -jar jython-installer.jar -s -d "$HOME/jython"
+        echo "$HOME/jython/bin" >> $GITHUB_PATH
     - name: Install nose
       run: pip install nose
     - name: Run tests
-      continue-on-error: ${{ matrix.ytdl-test-set == 'download' }}
+      continue-on-error: ${{ matrix.ytdl-test-set == 'download' || matrix.python-impl == 'jython' }}
       env:
         YTDL_TEST_SET: ${{ matrix.ytdl-test-set }}
       run: ./devscripts/run_tests.${{ matrix.run-tests-ext }}

devscripts/install_jython.sh

@@ -1,5 +0,0 @@
-#!/bin/bash
-
-wget http://central.maven.org/maven2/org/python/jython-installer/2.7.1/jython-installer-2.7.1.jar
-java -jar jython-installer-2.7.1.jar -s -d "$HOME/jython"
-$HOME/jython/bin/jython -m pip install nose