feat: full upgrade to python3, tests, etc.

.github/workflows/pr-lint.yml

@@ -0,0 +1,29 @@
+---
+# yaml-language-server: $schema=https://json.schemastore.org/github-workflow.json
+name: PR Lint
+
+# yamllint disable-line rule:truthy
+on:
+  push:
+    branches: [master, main]
+  pull_request:
+    branches: [master, main]
+
+permissions: read-all
+
+env:
+  TRIVY_SEVERITY: CRITICAL,HIGH
+  DISABLE_LINTERS: GO_GOLANGCI_LINT
+
+jobs:
+  Linter:
+    name: PR Lint
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write # only for delete-branch option
+      issues: write
+      pull-requests: write
+      statuses: write
+
+    steps:
+      - uses: ivuorinen/actions/pr-lint@312c00f77fbd73948441c8b004607e098e40c97f # 25.4.8

.github/workflows/python-tests.yml

@@ -0,0 +1,35 @@
+name: Python tests
+
+on:
+  push:
+    branches: [ main, master ]
+  pull_request:
+    branches: [ main, master ]
+
+permissions: read-all
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+
+    - name: Set up Python
+      uses: actions/setup-python@65d7f2d534ac1bc67fcd62888c5f4f3d2cb2b236 # v4.7.1
+
+    - name: Install dependencies
+      shell: bash
+      run: |
+        python -m pip install --upgrade pip
+        pip install pytest pytest-cov ruff
+
+    - name: Run Ruff linting
+      shell: bash
+      run: ruff check .
+
+    - name: Run tests with coverage
+      shell: bash
+      run: |
+        pytest --cov=aeonview --cov-report=term-missing