[workflows/ci.yml] Fix test support for Py 2.6

1 files changed, 71 insertions, 44 deletions

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8d8e654fb..ce878c1b1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,9 +6,8 @@ env:
   all-cpython-versions: 2.6, 2.7, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8, 3.9
   main-cpython-versions: 2.7, 3.2, 3.5, 3.9
   pypy-versions: pypy-2.7, pypy-3.6, pypy-3.7
-  cpython-versions: all
-  # test-set: both
-  test-set: core
+  cpython-versions: main
+  test-set: both
 
 on:
   push:
@@ -75,6 +74,10 @@ jobs:
       contents: read
       packages: write
     runs-on: ${{ matrix.os }}
+    env:
+      PIP: python -m pip
+      PIP_DISABLE_PIP_VERSION_CHECK: true
+      PIP_NO_PYTHON_VERSION_WARNING: true
     strategy:
       fail-fast: true
       matrix:
@@ -152,12 +155,14 @@ jobs:
     - name: Set up Python 2.7
       if: ${{ matrix.python-version == '2.7' }}
       # install 2.7
+      shell: bash
       run: |
         sudo apt-get install -y python2 python-is-python2
         echo "PYTHONHOME=/usr" >> "$GITHUB_ENV"
     #-------- Python 2.6 --
     - name: Set up Python 2.6 environment
       if: ${{ matrix.python-version == '2.6' }}
+      shell: bash
       run: |
         openssl_name=openssl-1.0.2u
         echo "openssl_name=${openssl_name}" >> "$GITHUB_ENV"
@@ -178,6 +183,7 @@ jobs:
     - name: Build and set up Python 2.6
       if: ${{ matrix.python-version == '2.6' && ! steps.cache26.outputs.cache-hit }}
       # dl and build locally
+      shell: bash
       run: |
         # Install build environment
         sudo apt-get install -y build-essential llvm libssl-dev tk-dev  \
@@ -203,8 +209,7 @@ jobs:
         # Download PyEnv from its GitHub repository.
         export PYENV_ROOT=${{ env.PYENV_ROOT }}
         export PATH=$PYENV_ROOT/bin:$PATH
-        git clone https://github.com/pyenv/pyenv.git $PYENV_ROOT
-        eval "$(pyenv init --path)"
+        git clone "https://github.com/pyenv/pyenv.git" "$PYENV_ROOT"
 
         # Prevent pyenv build trying (and failing) to update pip
         export GET_PIP=get-pip-2.6.py
@@ -216,17 +221,14 @@ jobs:
         export LDFLAGS="-L$openssl_lib"
         export LD_LIBRARY_PATH="$openssl_lib"
         pyenv install 2.6.9
-        echo "PYTHONHOME=${PYENV_ROOT}" >> "$GITHUB_ENV"
-        echo "PATH=$PYENV_ROOT/bin:$PATH" >> "$GITHUB_ENV"
-    - name: Set up cached Python 2.6
-      if: ${{ steps.cache26.outputs.cache-hit }}
+    - name: Locate Python 2.6
+      if: ${{ matrix.python-version == '2.6' }}
+      shell: bash
       run: |
-        export PYENV_ROOT
-        export PATH=$PYENV_ROOT/bin:$PATH
-        eval "$(pyenv init --path)"
-        pyenv local 2.6.9
-        echo "PYTHONHOME=${PYENV_ROOT}" >> "$GITHUB_ENV"
-        echo "PATH=$PYENV_ROOT/bin:$PATH" >> "$GITHUB_ENV"
+        PYTHONHOME="${{ env.PYENV_ROOT }}/versions/2.6.9"
+        echo "PYTHONHOME=$PYTHONHOME" >> "$GITHUB_ENV"
+        echo "PATH=${PYTHONHOME}/bin:$PATH" >> "$GITHUB_ENV"
+        echo "LD_LIBRARY_PATH=${{ env.openssl_dir }}/lib${LD_LIBRARY_PATH:+:}${LD_LIBRARY_PATH}" >> "$GITHUB_ENV"
     #-------- Jython ------
     - name: Set up Java 8
       if: ${{ matrix.python-impl == 'jython' }}
@@ -236,8 +238,10 @@ jobs:
         distribution: 'zulu'
     - name: Setup Jython environment
       if: ${{ matrix.python-impl == 'jython' }}
+      shell: bash
       run: |
         echo "JYTHON_ROOT=${HOME}/jython" >> "$GITHUB_ENV"
+        echo "PIP=pip" >> "$GITHUB_ENV"
     - name: Cache Jython
       id: cachejy
       if: ${{ matrix.python-impl == 'jython' }}
@@ -249,19 +253,21 @@ jobs:
           ${{ env.JYTHON_ROOT }}
     - name: Install Jython
       if: ${{ matrix.python-impl == 'jython' && ! steps.cachejy.outputs.cache-hit }}
+      shell: bash
       run: |
         JYTHON_ROOT="${{ env.JYTHON_ROOT }}"
         curl -L "https://repo1.maven.org/maven2/org/python/jython-installer/2.7.1/jython-installer-2.7.1.jar" -o jython-installer.jar
         java -jar jython-installer.jar -s -d "${JYTHON_ROOT}"
-        echo "${JYTHON_ROOT}/bin" >> $GITHUB_PATH
+        echo "${JYTHON_ROOT}/bin" >> "$GITHUB_PATH"
     - name: Set up cached Jython
       if: ${{ steps.cachejy.outputs.cache-hit }}
+      shell: bash
       run: |
         JYTHON_ROOT="${{ env.JYTHON_ROOT }}"
         echo "${JYTHON_ROOT}/bin" >> $GITHUB_PATH
     #-------- pip ---------
     - name: Set up supported Python ${{ matrix.python-version }} pip
-      if: ${{ (matrix.python-version != '3.2' && steps.setup-python.outputs.python-path) || matrix.python-version == '2.6' || matrix.python-version == '2.7' }}
+      if: ${{ (matrix.python-version != '3.2' && steps.setup-python.outputs.python-path) || matrix.python-version == '2.7' }}
       # This step may run in either Linux or Windows
       shell: bash
       run: |
@@ -272,48 +278,66 @@ jobs:
           get_pip="${{ contains(needs.select.outputs.own-pip-versions, matrix.python-version) && format('{0}/', matrix.python-version) || '' }}"; \
           curl -L -O "https://bootstrap.pypa.io/pip/${get_pip}get-pip.py"; \
           python get-pip.py; }
+    - name: Set up Python 2.6 pip
+      if: ${{ matrix.python-version == '2.6' }}
+      shell: bash
+      run: |
+        python -m pip --version || { \
+          curl -L -O "https://bootstrap.pypa.io/pip/2.6/get-pip.py"; \
+          curl -L -O "https://files.pythonhosted.org/packages/ac/95/a05b56bb975efa78d3557efa36acaf9cf5d2fd0ee0062060493687432e03/pip-9.0.3-py2.py3-none-any.whl"; \
+          python get-pip.py --no-setuptools --no-wheel pip-9.0.3-py2.py3-none-any.whl; }
+        # work-around to invoke pip module on 2.6: https://bugs.python.org/issue2751
+        echo "PIP=python -m pip.__main__" >> "$GITHUB_ENV"
     - name: Set up other Python ${{ matrix.python-version }} pip
       if: ${{ matrix.python-version == '3.2' && steps.setup-python.outputs.python-path }}
       shell: bash
       run: |
-        # https://files.pythonhosted.org/packages/8a/e9/8468cd68b582b06ef554be0b96b59f59779627131aad48f8a5bce4b13450/wheel-0.29.0-py2.py3-none-any.whl
-        # https://files.pythonhosted.org/packages/06/4b/86a670fd21f7849adb092e40883c48dcd0d66b8a878fc8d63b7f0ea04213/setuptools-29.0.1-py2.py3-none-any.whl
         python -m pip --version || { \
           curl -L -O "https://bootstrap.pypa.io/pip/3.2/get-pip.py"; \
           curl -L -O "https://files.pythonhosted.org/packages/b2/d0/cd115fe345dd6f07ec1c780020a7dfe74966fceeb171e0f20d1d4905b0b7/pip-7.1.2-py2.py3-none-any.whl"; \
-          python -v get-pip.py --no-setuptools --no-wheel pip-7.1.2-py2.py3-none-any.whl; }
-
+          python get-pip.py --no-setuptools --no-wheel pip-7.1.2-py2.py3-none-any.whl; }
+    #-------- unittest ----
+    - name: Upgrade Unittest for Python 2.6
+      if: ${{ matrix.python-version == '2.6' }}
+      shell: bash
+      run: |
+        # see pip for Jython
+        $PIP -qq show unittest2 || { \
+          for u in "65/26/32b8464df2a97e6dd1b656ed26b2c194606c16fe163c695a992b36c11cdf/six-1.13.0-py2.py3-none-any.whl" \
+              "f2/94/3af39d34be01a24a6e65433d19e107099374224905f1e0cc6bbe1fd22a2f/argparse-1.4.0-py2.py3-none-any.whl" \
+              "c7/a3/c5da2a44c85bfbb6eebcfc1dde24933f8704441b98fdde6528f4831757a6/linecache2-1.0.0-py2.py3-none-any.whl" \
+              "17/0a/6ac05a3723017a967193456a2efa0aa9ac4b51456891af1e2353bb9de21e/traceback2-1.4.0-py2.py3-none-any.whl" \
+              "72/20/7f0f433060a962200b7272b8c12ba90ef5b903e218174301d0abfd523813/unittest2-1.1.0-py2.py3-none-any.whl"; do \
+            curl -L -O "https://files.pythonhosted.org/packages/${u}"; \
+            $PIP install ${u##*/}; \
+          done; }
+        # make tests use unittest2
+        for test in ./test/test_*.py; do
+          sed -r -i -e '/^import unittest$/s/test/test2 as unittest/' "$test"
+        done
     #-------- nose --------
     - name: Install nose for Python ${{ matrix.python-version }}
-      if: ${{ (matrix.python-version != '3.2' && steps.setup-python.outputs.python-path) || matrix.python-version == '2.6' || matrix.python-version == '2.7' }}
+      if: ${{ (matrix.python-version != '3.2' && steps.setup-python.outputs.python-path) || matrix.python-version == '2.7' }}
       shell: bash
       run: |
         echo "$PATH"
         echo "$PYTHONHOME"
-        python --version
-        python -m pip --version
-        python -m pip nose --version || python -m pip install nose
-    - name: Install nose for other Python ${{ matrix.python-version }}
+        $PIP -qq show nose || $PIP install nose
+    - name: Install nose for other Python 2
+      if: ${{ matrix.python-impl == 'jython' || matrix.python-version == '2.6' }}
+      shell: bash
+      run: |
+        # Work around deprecation of support for non-SNI clients at PyPI CDN (see https://status.python.org/incidents/hzmjhqsdjqgb)
+        $PIP -qq show nose || { \
+          curl -L -O "https://files.pythonhosted.org/packages/99/4f/13fb671119e65c4dce97c60e67d3fd9e6f7f809f2b307e2611f4701205cb/nose-1.3.7-py2-none-any.whl"; \
+          $PIP install nose-1.3.7-py2-none-any.whl; }
+    - name: Install nose for other Python 3
       if: ${{ matrix.python-version == '3.2' && steps.setup-python.outputs.python-path }}
       shell: bash
       run: |
-        python -m pip nose --version || { \
+        $PIP -qq show nose || { \
           curl -L -O "https://files.pythonhosted.org/packages/15/d8/dd071918c040f50fa1cf80da16423af51ff8ce4a0f2399b7bf8de45ac3d9/nose-1.3.7-py3-none-any.whl"; \
-          python --version; \
-          printf '%s\n' \
-            'import sys' \
-            'print(sys.path)' \
-            | python -; \
-          python -m pip --version; \
-          python -m pip install nose-1.3.7-py3-none-any.whl; }
-    - name: Install nose (Jython)
-      if: ${{ matrix.python-impl == 'jython' }}
-      # Work around deprecation of support for non-SNI clients at PyPI CDN (see https://status.python.org/incidents/hzmjhqsdjqgb)
-      run: |
-        pip nose --version || { \
-          curl -L -O "https://files.pythonhosted.org/packages/99/4f/13fb671119e65c4dce97c60e67d3fd9e6f7f809f2b307e2611f4701205cb/nose-1.3.7-py2-none-any.whl"; \
-          pip --version; \
-          pip install nose-1.3.7-py2-none-any.whl; }
+          $PIP install nose-1.3.7-py3-none-any.whl; }
     - name: Set up nosetest test
       if: ${{ contains(needs.select.outputs.test-set, matrix.ytdl-test-set ) }}
       shell: bash
@@ -321,7 +345,11 @@ jobs:
         # define a test to validate the Python version used by nosetests
         printf '%s\n' \
           'from __future__ import unicode_literals' \
-          'import sys, os, platform, unittest' \
+          'import sys, os, platform' \
+          'try:' \
+          '    import unittest2 as unittest' \
+          'except ImportError:' \
+          '    import unittest' \
           'class TestPython(unittest.TestCase):' \
           '    def setUp(self):' \
           '        self.ver = os.environ["PYTHON_VER"].split("-")' \
@@ -340,7 +368,6 @@ jobs:
         YTDL_TEST_SET: ${{ matrix.ytdl-test-set }}
         PYTHON_VER: ${{ matrix.python-version }}
         PYTHON_IMPL: ${{ matrix.python-impl }}
-
       run: |
         ./devscripts/run_tests.${{ matrix.run-tests-ext }}