[workflows/ci.yml] Restore test support for Py 3.2

6 files changed, 328 insertions, 30 deletions

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4008cc190..8d8e654fb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,73 +1,349 @@
 name: CI
-on: [push, pull_request]
+
+env:
+  # add 3.10+ after patching nose (https://github.com/nose-devs/nose/issues/1099)
+  # or switching to fork of https://github.com/mdmintz/pynose
+  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
+
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+    inputs:
+      cpython-versions:
+        type: choice
+        description: CPython versions (main = 2.7, 3.2, 3.5, 3.9)
+        options:
+          - all
+          - main
+        required: true
+        default: main
+      test-set:
+        type: choice
+        description: core, download
+        options:
+          - both
+          - core
+          - download
+        required: true
+        default: core
+
+permissions:
+  contents: read
+
 jobs:
+  select:
+    name: Select tests from inputs
+    runs-on: ubuntu-latest
+    outputs:
+      cpython-versions: ${{ steps.run.outputs.cpython-versions }}
+      test-set: ${{ steps.run.outputs.test-set }}
+      own-pip-versions: ${{ steps.run.outputs.own-pip-versions }}
+    steps:
+    - id: run
+      run: |
+        # Make a JSON Array from comma/space-separated string (no extra escaping)
+        json_list() { \
+          ret=""; IFS="${IFS},"; set -- $*; \
+          for a in "$@"; do \
+            ret=$(printf '%s"%s"' "${ret}${ret:+, }" "$a"); \
+          done; \
+          printf '[%s]' "$ret"; }
+        tests="${{ inputs.test-set || env.test-set }}"
+        [ $tests = both ] && tests="core download"
+        printf 'test-set=%s\n' "$(json_list $tests)" >> "$GITHUB_OUTPUT"
+        versions="${{ inputs.cpython-versions || env.cpython-versions }}"
+        if [ "$versions" = all ]; then \
+          versions="${{ env.all-cpython-versions }}"; else \
+          versions="${{ env.main-cpython-versions }}"; \
+        fi
+        printf 'cpython-versions=%s\n' \
+          "$(json_list ${versions}${versions:+, }${{ env.pypy-versions }})" >> "$GITHUB_OUTPUT"
+        # versions with a special get-pip.py in a per-version subdirectory
+        printf 'own-pip-versions=%s\n' \
+          "$(json_list 2.6, 2.7, 3.2, 3.3, 3.4, 3.5, 3.6)" >> "$GITHUB_OUTPUT"
+
   tests:
-    name: Tests
+    name: Run tests
+    needs: select
+    permissions:
+      contents: read
+      packages: write
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: true
       matrix:
         os: [ubuntu-20.04]
-        python-version: [2.6, 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]
+        # outside steps, use github.env...., not env....
+        python-version: ${{ fromJSON(needs.select.outputs.cpython-versions) }}
         python-impl: [cpython]
-        ytdl-test-set: [core, download]
+        ytdl-test-set: ${{ fromJSON(needs.select.outputs.test-set) }}
         run-tests-ext: [sh]
         include:
-        # python 3.2 is only available on windows via setup-python
         - os: windows-2019
           python-version: 3.2
           python-impl: cpython
-          ytdl-test-set: core
+          ytdl-test-set: ${{ contains(needs.select.outputs.test-set, 'core') && 'core' || 'nocore' }}
           run-tests-ext: bat
         - os: windows-2019
           python-version: 3.2
           python-impl: cpython
-          ytdl-test-set: download
+          ytdl-test-set: ${{ contains(needs.select.outputs.test-set, 'download') && 'download'  || 'nodownload' }}
           run-tests-ext: bat
         # jython
         - os: ubuntu-20.04
           python-impl: jython
-          ytdl-test-set: core
+          ytdl-test-set: ${{ contains(needs.select.outputs.test-set, 'core') && 'core' || 'nocore' }}
           run-tests-ext: sh
         - os: ubuntu-20.04
           python-impl: jython
-          ytdl-test-set: download
+          ytdl-test-set: ${{ contains(needs.select.outputs.test-set, 'download') && 'download'  || 'nodownload' }}
           run-tests-ext: sh
     steps:
-    - uses: actions/checkout@v3
+    - name: Checkout
+      uses: actions/checkout@v3
+    #-------- Python 3 -----
     - name: Set up supported Python ${{ matrix.python-version }}
+      id: setup-python
+      if: ${{ matrix.python-impl == 'cpython' && matrix.python-version != '2.6' && matrix.python-version != '2.7'}}
       # wrap broken actions/setup-python@v4
       uses: ytdl-org/setup-python@v1
       with:
         python-version: ${{ matrix.python-version }}
         cache-build: true
         allow-build: info
+    - name: Locate supported Python ${{ matrix.python-version }}
+      if: ${{ env.pythonLocation }}
+      shell: bash
+      run: |
+        echo "PYTHONHOME=${pythonLocation}" >> "$GITHUB_ENV"
+        export expected="${{ steps.setup-python.outputs.python-path }}"
+        dirname() { printf '%s\n' \
+            'import os, sys' \
+            'print(os.path.dirname(sys.argv[1]))' \
+            | ${expected} - "$1"; }
+        expd="$(dirname "$expected")"
+        export python="$(command -v python)"
+        [ "$expd" = "$(dirname "$python")" ] || echo "PATH=$expd:${PATH}" >> "$GITHUB_ENV"
+        [ -x "$python" ] || printf '%s\n' \
+            'import os' \
+            'exp = os.environ["expected"]' \
+            'python = os.environ["python"]' \
+            'exps = os.path.split(exp)' \
+            'if python and (os.path.dirname(python) == exp[0]):' \
+            '    exit(0)' \
+            'exps[1] = "python" + os.path.splitext(exps[1])[1]' \
+            'python = os.path.join(*exps)' \
+            'try:' \
+            '    os.symlink(exp, python)' \
+            'except AttributeError:' \
+            '    os.rename(exp, python)' \
+            | ${expected} -
+        printf '%s\n' \
+            'import sys' \
+            'print(sys.path)' \
+            | ${expected} -
+    #-------- Python 2.7 --
+    - name: Set up Python 2.7
+      if: ${{ matrix.python-version == '2.7' }}
+      # install 2.7
+      run: |
+        sudo apt-get install -y python2 python-is-python2
+        echo "PYTHONHOME=/usr" >> "$GITHUB_ENV"
+    #-------- Python 2.6 --
+    - name: Set up Python 2.6 environment
+      if: ${{ matrix.python-version == '2.6' }}
+      run: |
+        openssl_name=openssl-1.0.2u
+        echo "openssl_name=${openssl_name}" >> "$GITHUB_ENV"
+        openssl_dir=$HOME/.local/opt/$openssl_name
+        echo "openssl_dir=${openssl_dir}" >> "$GITHUB_ENV"
+        PYENV_ROOT=$HOME/.local/share/pyenv
+        echo "PYENV_ROOT=${PYENV_ROOT}" >> "$GITHUB_ENV"
+        sudo apt-get install -y openssl ca-certificates
+    - name: Cache Python 2.6
+      id: cache26
+      if: ${{ matrix.python-version == '2.6' }}
+      uses: actions/cache@v3
+      with:
+        key: python-2.6.9
+        path: |
+          ${{ env.openssl_dir }}
+          ${{ env.PYENV_ROOT }}
+    - name: Build and set up Python 2.6
+      if: ${{ matrix.python-version == '2.6' && ! steps.cache26.outputs.cache-hit }}
+      # dl and build locally
+      run: |
+        # Install build environment
+        sudo apt-get install -y build-essential llvm libssl-dev tk-dev  \
+                      libncursesw5-dev libreadline-dev libsqlite3-dev   \
+                      libffi-dev xz-utils zlib1g-dev libbz2-dev liblzma-dev
+        # Download and install OpenSSL 1.0.2, back in time
+        openssl_name=${{ env.openssl_name }}
+        openssl_targz=${openssl_name}.tar.gz
+        openssl_dir=${{ env.openssl_dir }}
+        openssl_inc=$openssl_dir/include
+        openssl_lib=$openssl_dir/lib
+        openssl_ssl=$openssl_dir/ssl
+        curl -L "https://www.openssl.org/source/$openssl_targz" -o $openssl_targz
+        tar -xf $openssl_targz
+        ( cd $openssl_name; \
+          ./config --prefix=$openssl_dir --openssldir=${openssl_dir}/ssl \
+            --libdir=lib -Wl,-rpath=${openssl_dir}/lib shared zlib-dynamic && \
+          make && \
+          make install )
+        rm -rf $openssl_name
+        rmdir $openssl_ssl/certs && ln -s /etc/ssl/certs $openssl_ssl/certs
+
+        # Download PyEnv from its GitHub repository.
+        export PYENV_ROOT=${{ env.PYENV_ROOT }}
+        export PATH=$PYENV_ROOT/bin:$PATH
+        git clone https://github.com/pyenv/pyenv.git $PYENV_ROOT
+        eval "$(pyenv init --path)"
+
+        # Prevent pyenv build trying (and failing) to update pip
+        export GET_PIP=get-pip-2.6.py
+        echo 'import sys; sys.exit(0)' > ${GET_PIP}
+        GET_PIP=$(realpath $GET_PIP)
+
+        # Build and install Python
+        export CFLAGS="-I$openssl_inc"
+        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: ${{ steps.cache26.outputs.cache-hit }}
+      run: |
+        export PYENV_ROOT
+        export PATH=$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"
+    #-------- Jython ------
     - name: Set up Java 8
       if: ${{ matrix.python-impl == 'jython' }}
       uses: actions/setup-java@v2
       with:
         java-version: 8
         distribution: 'zulu'
-    - name: Install Jython
+    - name: Setup Jython environment
       if: ${{ matrix.python-impl == 'jython' }}
       run: |
-        wget https://repo1.maven.org/maven2/org/python/jython-installer/2.7.1/jython-installer-2.7.1.jar -O jython-installer.jar
-        java -jar jython-installer.jar -s -d "$HOME/jython"
-        echo "$HOME/jython/bin" >> $GITHUB_PATH
-    - name: Install nose
-      if: ${{ matrix.python-impl != 'jython' }}
-      run: pip install nose
+        echo "JYTHON_ROOT=${HOME}/jython" >> "$GITHUB_ENV"
+    - name: Cache Jython
+      id: cachejy
+      if: ${{ matrix.python-impl == 'jython' }}
+      uses: actions/cache@v3
+      with:
+        # 2.7.3 now available, may solve SNI issue
+        key: jython-2.7.1
+        path: |
+          ${{ env.JYTHON_ROOT }}
+    - name: Install Jython
+      if: ${{ matrix.python-impl == 'jython' && ! steps.cachejy.outputs.cache-hit }}
+      run: |
+        JYTHON_ROOT="${{ 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
+    - name: Set up cached Jython
+      if: ${{ steps.cachejy.outputs.cache-hit }}
+      run: |
+        JYTHON_ROOT="${{ env.JYTHON_ROOT }}"
+        echo "${JYTHON_ROOT}/bin" >> $GITHUB_PATH
+    #-------- pip ---------
+    - name: Set up supported Python ${{ matrix.python-version }} pip
+      if: ${{ (matrix.python-version != '3.2' && steps.setup-python.outputs.python-path) || matrix.python-version == '2.6' || matrix.python-version == '2.7' }}
+      # This step may run in either Linux or Windows
+      shell: bash
+      run: |
+        echo "$PATH"
+        echo "$PYTHONHOME"
+        # curl is available on both Windows and Linux, -L follows redirects, -O gets name
+        python -m ensurepip || python -m pip --version || { \
+          get_pip="${{ 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 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; }
+
+    #-------- nose --------
+    - name: Install nose for Python ${{ matrix.python-version }}
+      if: ${{ (matrix.python-version != '3.2' && steps.setup-python.outputs.python-path) || matrix.python-version == '2.6' || matrix.python-version == '2.7' }}
+      shell: bash
+      run: |
+        echo "$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 }}
+      if: ${{ matrix.python-version == '3.2' && steps.setup-python.outputs.python-path }}
+      shell: bash
+      run: |
+        python -m pip nose --version || { \
+          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' }}
-      # Working around deprecation of support for non-SNI clients at PyPI CDN (see https://status.python.org/incidents/hzmjhqsdjqgb)
+      # Work around deprecation of support for non-SNI clients at PyPI CDN (see https://status.python.org/incidents/hzmjhqsdjqgb)
       run: |
-        wget 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
+        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; }
+    - name: Set up nosetest test
+      if: ${{ contains(needs.select.outputs.test-set, matrix.ytdl-test-set ) }}
+      shell: bash
+      run: |
+        # define a test to validate the Python version used by nosetests
+        printf '%s\n' \
+          'from __future__ import unicode_literals' \
+          'import sys, os, platform, unittest' \
+          'class TestPython(unittest.TestCase):' \
+          '    def setUp(self):' \
+          '        self.ver = os.environ["PYTHON_VER"].split("-")' \
+          '    def test_python_ver(self):' \
+          '        self.assertEqual(sys.version[:3], self.ver[-1])' \
+          '        self.assertTrue(sys.version.startswith(self.ver[-1]))' \
+          '        self.assertIn(self.ver[0], sys.version.lower())' \
+          '    def test_python_impl(self):' \
+          '        self.assertIn(platform.python_implementation().lower(), (os.environ["PYTHON_IMPL"], self.ver[0]))' \
+          > test/test_python.py
+    #-------- TESTS -------
     - name: Run tests
+      if: ${{ contains(needs.select.outputs.test-set, matrix.ytdl-test-set ) }}
       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 }}
+        PYTHON_VER: ${{ matrix.python-version }}
+        PYTHON_IMPL: ${{ matrix.python-impl }}
+
+      run: |
+        ./devscripts/run_tests.${{ matrix.run-tests-ext }}
+
   flake8:
     name: Linter
     runs-on: ubuntu-latest
@@ -81,3 +357,4 @@ jobs:
       run: pip install flake8
     - name: Run flake8
       run: flake8 .
+
diff --git a/devscripts/make_lazy_extractors.py b/devscripts/make_lazy_extractors.py
index edc19183d..4bddca047 100644
--- a/devscripts/make_lazy_extractors.py
+++ b/devscripts/make_lazy_extractors.py
@@ -6,6 +6,10 @@ import os
 from os.path import dirname as dirn
 import sys
 
+from youtube_dl.compat import compat_register_utf8
+
+compat_register_utf8()
+
 print('WARNING: Lazy loading extractors is an experimental feature that may not always work', file=sys.stderr)
 
 sys.path.insert(0, dirn(dirn((os.path.abspath(__file__)))))
diff --git a/test/test_execution.py b/test/test_execution.py
index 704e14612..1dee53a0f 100644
--- a/test/test_execution.py
+++ b/test/test_execution.py
@@ -10,10 +10,13 @@ import os
 import subprocess
 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 
+from youtube_dl.compat import compat_register_utf8
+
 from youtube_dl.utils import encodeArgument
 
 rootDir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 
+compat_register_utf8()
 
 try:
     _DEV_NULL = subprocess.DEVNULL
@@ -25,13 +28,14 @@ class TestExecution(unittest.TestCase):
     def test_import(self):
         subprocess.check_call([sys.executable, '-c', 'import youtube_dl'], cwd=rootDir)
 
+    @unittest.skipIf(sys.version_info < (2, 7), 'Python 2.6 doesn\'t support package execution')
     def test_module_exec(self):
-        if sys.version_info >= (2, 7):  # Python 2.6 doesn't support package execution
-            subprocess.check_call([sys.executable, '-m', 'youtube_dl', '--version'], cwd=rootDir, stdout=_DEV_NULL)
+        subprocess.check_call([sys.executable, '-m', 'youtube_dl', '--version'], cwd=rootDir, stdout=_DEV_NULL)
 
     def test_main_exec(self):
         subprocess.check_call([sys.executable, 'youtube_dl/__main__.py', '--version'], cwd=rootDir, stdout=_DEV_NULL)
 
+    @unittest.skipIf(sys.version_info < (2, 7), 'Python 2.6 doesn\'t support package execution')
     def test_cmdline_umlauts(self):
         p = subprocess.Popen(
             [sys.executable, 'youtube_dl/__main__.py', encodeArgument('ä'), '--version'],
diff --git a/test/test_unicode_literals.py b/test/test_unicode_literals.py
index 6c1b7ec91..c7c2252f5 100644
--- a/test/test_unicode_literals.py
+++ b/test/test_unicode_literals.py
@@ -15,6 +15,7 @@ IGNORED_FILES = [
     'setup.py',  # http://bugs.python.org/issue13943
     'conf.py',
     'buildserver.py',
+    'get-pip.py',
 ]
 
 IGNORED_DIRS = [
diff --git a/youtube_dl/__init__.py b/youtube_dl/__init__.py
index e1bd67919..cc8285eba 100644
--- a/youtube_dl/__init__.py
+++ b/youtube_dl/__init__.py
@@ -5,7 +5,6 @@ from __future__ import unicode_literals
 
 __license__ = 'Public Domain'
 
-import codecs
 import io
 import os
 import random
@@ -17,6 +16,7 @@ from .options import (
 )
 from .compat import (
     compat_getpass,
+    compat_register_utf8,
     compat_shlex_split,
     workaround_optparse_bug9161,
 )
@@ -46,10 +46,8 @@ from .YoutubeDL import YoutubeDL
 
 
 def _real_main(argv=None):
-    # Compatibility fixes for Windows
-    if sys.platform == 'win32':
-        # https://github.com/ytdl-org/youtube-dl/issues/820
-        codecs.register(lambda name: codecs.lookup('utf-8') if name == 'cp65001' else None)
+    # Compatibility fix for Windows
+    compat_register_utf8()
 
     workaround_optparse_bug9161()
 
diff --git a/youtube_dl/compat.py b/youtube_dl/compat.py
index fe62caf80..0f4d3756f 100644
--- a/youtube_dl/compat.py
+++ b/youtube_dl/compat.py
@@ -31,13 +31,17 @@ try:
     compat_str, compat_basestring, compat_chr = (
         unicode, basestring, unichr
     )
-    from .casefold import casefold as compat_casefold
-
 except NameError:
     compat_str, compat_basestring, compat_chr = (
         str, str, chr
     )
+
+# casefold
+try:
+    compat_str.casefold
     compat_casefold = lambda s: s.casefold()
+except AttributeError:
+    from .casefold import casefold as compat_casefold
 
 try:
     import collections.abc as compat_collections_abc
@@ -3137,6 +3141,15 @@ else:
     compat_open = open
 
 
+# compat_register_utf8
+def compat_register_utf8():
+    if sys.platform == 'win32':
+        # https://github.com/ytdl-org/youtube-dl/issues/820
+        from codecs import register, lookup
+        register(
+            lambda name: lookup('utf-8') if name == 'cp65001' else None)
+
+
 legacy = [
     'compat_HTMLParseError',
     'compat_HTMLParser',
@@ -3203,6 +3216,7 @@ __all__ = [
     'compat_print',
     'compat_re_Match',
     'compat_re_Pattern',
+    'compat_register_utf8',
     'compat_setenv',
     'compat_shlex_quote',
     'compat_shlex_split',