CI: Switch to GitHub actions.

Author: fancycode

.github/workflows/test.yml

@@ -0,0 +1,40 @@
+name: test
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+permissions:
+  contents: read
+
+jobs:
+  python:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        python-version:
+          - "2.7"
+          - "3.6"
+          - "3.9"
+          - "3.10"
+          - "3.11"
+          - "3.12"
+          - "3.13"
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install dependencies
+        run: ./scripts/ci-install.sh
+
+      - name: Run tests
+        run: python setup.py test

.travis.yml

@@ -1,22 +1,6 @@
 #!/bin/bash
 set -e
 
-if [[ $TRAVIS_OS_NAME == 'osx' ]]; then
-	if [[ $PYVER == '2' ]]; then
-		formula="python${PYVER}"
-	else
-		formula="python"
-	fi
-	# Update Python if already installed, otherwise install.
-	echo "Installing / updating ${formula} ..."
-	if [[ $PYVER == '3' ]]; then
-		brew list "${formula}" &>/dev/null && brew upgrade "${formula}"
-	fi
-	brew list "${formula}" &>/dev/null || brew install "${formula}"
-	echo -n "Using: "
-	"python$PYVER" --version
-fi
-
 echo "Downloading ux.stackexchange.com.7z ..."
 mkdir -p $HOME/.downloads
 ( cd $HOME/.downloads && wget --no-check-certificate --timestamping https://archive.org/download/stackexchange/ux.stackexchange.com.7z )