re-add python 2.7 test workflow

.github/workflows/linux-install.sh

@@ -2,14 +2,23 @@
 
 set -eo pipefail
 
+aptget()
+{
+    if [ $(id -u) == 0 ]; then
+        apt-get "$@"
+    else
+        sudo apt-get "$@"
+    fi
+}
+
 aptget_update()
 {
     if [ ! -z $1 ]; then
         echo ""
         echo "Retrying apt-get update..."
         echo ""
     fi
-    output=`sudo apt-get update 2>&1`
+    output=`aptget update 2>&1`
     echo "$output"
     if [[ $output == *[WE]:\ * ]]; then
         return 1
@@ -19,11 +28,12 @@ aptget_update || aptget_update retry || aptget_update retry
 
 set -e
 
-sudo apt-get -qq install zlib1g-dev libpng-dev libjpeg-dev \
+aptget -qq install zlib1g-dev libpng-dev libjpeg-dev sudo \
     libxml2-dev libffi-dev libxslt-dev cmake ninja-build nasm
 
 if [ "$GHA_PYTHON_VERSION" == "2.7" ]; then
     python2 -m pip install tox tox-gh-actions
+    aptget install -y python3-pip
 else
     python3 -m pip install 'tox<4' tox-gh-actions
 fi

.github/workflows/test.yml

@@ -18,7 +18,9 @@ jobs:
           "3.9",
           "3.8",
           "3.7",
+          "2.7",
         ]
+        libavif-version: [ "0.11.0" ]
         include:
         - python-version: "3.7"
           PYTHONOPTIMIZE: 1
@@ -29,17 +31,23 @@ jobs:
           codecov-flag: GHA_Ubuntu
         - os: macos-11
           codecov-flag: GHA_macOS
+        exclude:
+        - python-version: "2.7"
+          os: "macos-11"
 
     runs-on: ${{ matrix.os }}
-    name: ${{ matrix.os }} Python ${{ matrix.python-version }}
+    name: ${{ matrix.os }} Python ${{ matrix.python-version }} (libavif ${{ matrix.libavif-version }})
+    container:
+      image: ${{ matrix.python-version == '2.7' && 'python:2.7-buster' || null }}
 
     env:
-      LIBAVIF_VERSION: 0.11.0
+      LIBAVIF_VERSION: ${{ matrix.libavif-version }}
 
     steps:
     - uses: actions/checkout@v3
 
     - name: Set up Python ${{ matrix.python-version }}
+      if: matrix.python-version != '2.7'
       uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
@@ -74,7 +82,6 @@ jobs:
       if: failure()
       run: |
         mkdir -p tests/errors
-      shell: pwsh
 
     - name: Upload errors
       uses: actions/upload-artifact@v3

tox.ini

@@ -3,6 +3,7 @@ envlist = py{27,37,38,39,310,py37}
 minversion = 1.9
 
 [gh-actions]
+problem_matcher = False
 python =
     2.7: py27
     3.7: py37