Remove use of discontinued Ubuntu 20.04 image

Author: mnaberez

.github/workflows/main.yml

@@ -8,11 +8,14 @@ env:
             pip --no-cache-dir"
 
 jobs:
-  tests_py27:
-    runs-on: ubuntu-20.04
-    container: python:2.7
+  tests_py2x:
+    runs-on: ubuntu-22.04
+    container:
+      image: python:2.7
     strategy:
       fail-fast: false
+      matrix:
+        toxenv: [py27, py27-configparser]
 
     steps:
     - uses: actions/checkout@v4
@@ -21,56 +24,66 @@ jobs:
       run: $PIP install virtualenv tox
 
     - name: Run the unit tests
-      run: TOXENV=py27 tox
+      run: TOXENV=${{ matrix.toxenv }} tox
 
     - name: Run the end-to-end tests
-      run: TOXENV=py27 END_TO_END=1 tox
+      run: TOXENV=${{ matrix.toxenv }} END_TO_END=1 tox
 
-  tests_py34:
-    runs-on: ubuntu-20.04
-    strategy:
-      fail-fast: false
+  test_py34:
+    runs-on: ubuntu-22.04
+    container:
+      image: ubuntu:20.04
+      env:
+        LANG: C.UTF-8
 
     steps:
     - uses: actions/checkout@v4
 
-    - name: Build OpenSSL 1.0.2 (required by Python 3.4)
+    - name: Install build dependencies
       run: |
-        sudo apt-get install build-essential zlib1g-dev 
+        apt-get update
+        apt-get install -y build-essential unzip wget \
+                           libncurses5-dev libgdbm-dev libnss3-dev \
+                           libreadline-dev zlib1g-dev
 
+    - name: Build OpenSSL 1.0.2 (required by Python 3.4)
+      run: |
         cd $RUNNER_TEMP
         wget https://github.com/openssl/openssl/releases/download/OpenSSL_1_0_2u/openssl-1.0.2u.tar.gz
         tar -xf openssl-1.0.2u.tar.gz
         cd openssl-1.0.2u
         ./config --prefix=/usr/local/ssl --openssldir=/usr/local/ssl shared zlib-dynamic
         make
-        sudo make install
+        make install
 
-        echo CFLAGS="-I/usr/local/ssl/include $CFLAGS" >> $GITHUB_ENV 
+        echo CFLAGS="-I/usr/local/ssl/include $CFLAGS" >> $GITHUB_ENV
         echo LDFLAGS="-L/usr/local/ssl/lib $LDFLAGS" >> $GITHUB_ENV
         echo LD_LIBRARY_PATH="/usr/local/ssl/lib:$LD_LIBRARY_PATH" >> $GITHUB_ENV
 
-        sudo ln -s /usr/local/ssl/lib/libssl.so.1.0.0 /usr/lib/libssl.so.1.0.0
-        sudo ln -s /usr/local/ssl/lib/libcrypto.so.1.0.0 /usr/lib/libcrypto.so.1.0.0
-        sudo ldconfig
+        ln -s /usr/local/ssl/lib/libssl.so.1.0.0 /usr/lib/libssl.so.1.0.0
+        ln -s /usr/local/ssl/lib/libcrypto.so.1.0.0 /usr/lib/libcrypto.so.1.0.0
+        ldconfig
 
     - name: Build Python 3.4
       run: |
-        sudo apt-get install build-essential libncurses5-dev libgdbm-dev libnss3-dev libreadline-dev zlib1g-dev 
-
         cd $RUNNER_TEMP
         wget -O cpython-3.4.10.zip https://github.com/python/cpython/archive/refs/tags/v3.4.10.zip
         unzip cpython-3.4.10.zip
         cd cpython-3.4.10
-        ./configure
+        ./configure --with-ensurepip=install
         make
-        sudo make install
+        make install
 
         python3.4 --version
         python3.4 -c 'import ssl'
+        pip3.4 --version
 
-    - name: Install dependencies
-      run: $PIP install virtualenv==20.4.7 tox==3.28.0
+        ln -s /usr/local/bin/python3.4 /usr/local/bin/python
+        ln -s /usr/local/bin/pip3.4 /usr/local/bin/pip
+
+    - name: Install Python dependencies
+      run: |
+        $PIP install virtualenv==20.4.7 tox==3.14.0
 
     - name: Run the unit tests
       run: TOXENV=py34 tox
@@ -79,40 +92,49 @@ jobs:
       run: TOXENV=py34 END_TO_END=1 tox
 
   tests_py35:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
+    container:
+      image: python:3.5
     strategy:
       fail-fast: false
 
     steps:
     - uses: actions/checkout@v4
 
-    - name: Work around pip SSL cert verify error
-      run: sudo $PIP config set global.trusted-host 'pypi.python.org pypi.org files.pythonhosted.org'
+    - name: Install dependencies
+      run: $PIP install virtualenv tox
 
-    - name: Set up Python 3.5
-      uses: actions/setup-python@v5
-      with:
-        python-version: 3.5
+    - name: Run the unit tests
+      run: TOXENV=py35 tox
+
+    - name: Run the end-to-end tests
+      run: TOXENV=py35 END_TO_END=1 tox
+
+  tests_py36:
+    runs-on: ubuntu-22.04
+    container:
+      image: python:3.6
+    strategy:
+      fail-fast: false
+
+    steps:
+    - uses: actions/checkout@v4
 
     - name: Install dependencies
       run: $PIP install virtualenv tox
 
-    - name: Set variable for TOXENV based on Python version
-      id: toxenv
-      run: python -c 'import sys; print("TOXENV=py%d%d" % (sys.version_info.major, sys.version_info.minor))' | tee -a $GITHUB_OUTPUT
-
     - name: Run the unit tests
-      run: TOXENV=${{steps.toxenv.outputs.TOXENV}} tox
+      run: TOXENV=py36 tox
 
     - name: Run the end-to-end tests
-      run: TOXENV=${{steps.toxenv.outputs.TOXENV}} END_TO_END=1 tox
+      run: TOXENV=py36 END_TO_END=1 tox
 
   tests_py3x:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.6, 3.7, 3.8, 3.9, "3.10", 3.11, 3.12, 3.13]
+        python-version: [3.7, 3.8, 3.9, "3.10", 3.11, 3.12, 3.13]
 
     steps:
     - uses: actions/checkout@v4
@@ -136,8 +158,9 @@ jobs:
       run: TOXENV=${{steps.toxenv.outputs.TOXENV}} END_TO_END=1 tox
 
   coverage_py27:
-    runs-on: ubuntu-20.04
-    container: python:2.7
+    runs-on: ubuntu-22.04
+    container:
+      image: python:2.7
     strategy:
       fail-fast: false
 
@@ -151,7 +174,7 @@ jobs:
       run: TOXENV=cover tox
 
   coverage_py3x:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       fail-fast: false
       matrix:
@@ -172,7 +195,7 @@ jobs:
       run: TOXENV=cover3 tox
 
   docs:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     steps:
     - uses: actions/checkout@v4