cleanup and assert we got what we need

Author: nedbat

.github/workflows/nightly2.yml

@@ -84,34 +84,10 @@ jobs:
           set -xe
           export PYENV_ROOT="$HOME/.pyenv"
           export PATH="$PYENV_ROOT/bin:$PATH"
-          #eval "$(pyenv init --path)"
           echo "$PYENV_ROOT/shims:$PYENV_ROOT/bin" >> $GITHUB_PATH
           pyenv install $PYVER -v
           pyenv global $PYVER
           pyenv rehash
-          #sudo ln -sf $PYENV_ROOT/versions/$PYVER/bin/python3 /usr/local/bin/python
-          # https://gist.github.com/dukenmarga/3b055616ecef3b38a52de0ad81b67c2a
-          # said to:
-          # sudo ln -s /usr/local/lib64/python3.12/lib-dynload /usr/local/lib/python3.12/lib-dynload
-
-      #- name: "What's in pyenv"
-      #  run: |
-      #    export PYENV_ROOT="$HOME/.pyenv"
-      #    ls -lR $PYENV_ROOT/versions
-
-      - name: "Try the thing"
-        run: |
-          python -c "import _posixsubprocess as psp; print(psp)"
-
-      #- name: "What's in /usr/local/lib64"
-      #  run: |
-      #    export PYENV_ROOT="$HOME/.pyenv"
-      #    ls -lR /usr/local/lib64
-      #
-      #- name: "What's in /usr/local/lib"
-      #  run: |
-      #    export PYENV_ROOT="$HOME/.pyenv"
-      #    ls -lR /usr/local/lib
 
       - name: "Show diagnostic info"
         run: |
@@ -124,18 +100,29 @@ jobs:
           python -m coverage debug pybehave
           env | sort
 
+      - name: "Check the Python version"
+        env:
+          EXPECTED: "${{ matrix.python-version }}"
+        run: |
+          python -c "import os, sys; assert sys.version.startswith(os.getenv('EXPECTED').strip('t'))"
+          python -c "import os, sys; assert getattr(sys, '_is_gil_enabled', lambda: True)() == (not os.getenv('EXPECTED').endswith('t'))"
+
+      - name: "Check the Python version 2"
+        env:
+          EXPECTED: "${{ matrix.python-version }}"
+        run: |
+          python -c '
+          import os, sys
+          expected = os.getenv('EXPECTED')
+          assert sys.version.startswith(expected.strip('t'))
+          if expected.endswith('t'):
+              assert not sys._is_gil_enabled()
+          '
+
       - name: "Install dependencies"
         run: |
           python -m pip install -r requirements/tox.pip
 
-      #- name: Setup upterm session
-      #  uses: lhotari/action-upterm@v1
-      #
       - name: "Run tox"
-        env:
-          XXXPYTHONVERBOSE: 2
-          PYVER: "${{ matrix.python-version }}-dev"
-          PYTHON_CONFIGURE_OPTS: "--enable-shared --disable-test-modules"
         run: |
-          export COVERAGE_ANYPY=$HOME/.pyenv/versions/$PYVER/bin/python3
           python -m tox -v -- -rfsEX