feat/license tests workflow

.github/workflows/license_tests.yml

@@ -0,0 +1,35 @@
+name: Run License Tests
+on:
+  push:
+  workflow_dispatch:
+
+jobs:
+  license_tests:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          ref: ${{ github.head_ref }}
+      - name: Setup Python
+        uses: actions/setup-python@v1
+        with:
+          python-version: 3.8
+      - name: Install Build Tools
+        run: |
+          python -m pip install build wheel
+      - name: Install System Dependencies
+        run: |
+          sudo apt-get update
+          sudo apt install python3-dev swig libssl-dev
+      - name: Install core repo
+        run: |
+          pip install .
+      - name: Install licheck
+        run: |
+          pip install git+https://github.com/NeonJarbas/lichecker
+      - name: Install test dependencies
+        run: |
+          pip install pytest pytest-timeout pytest-cov
+      - name: Test Licenses
+        run: |
+          pytest test/license_tests.py

test/license_tests.py

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+import unittest
+from pprint import pprint
+
+from lichecker import LicenseChecker
+
+# these packages dont define license in setup.py
+# manually verified and injected
+license_overrides = {
+    "kthread": "MIT",
+    'yt-dlp': "Unlicense",
+    'pyxdg': 'GPL-2.0',
+    'ptyprocess': 'ISC license',
+    'psutil': 'BSD3'
+}
+# explicitly allow these packages that would fail otherwise
+whitelist = []
+
+# validation flags
+allow_nonfree = False
+allow_viral = False
+allow_unknown = False
+allow_unlicense = True
+allow_ambiguous = False
+
+pkg_name = "ovos_utils"
+
+
+class TestLicensing(unittest.TestCase):
+    @classmethod
+    def setUpClass(self):
+        licheck = LicenseChecker(pkg_name,
+                                 license_overrides=license_overrides,
+                                 whitelisted_packages=whitelist,
+                                 allow_ambiguous=allow_ambiguous,
+                                 allow_unlicense=allow_unlicense,
+                                 allow_unknown=allow_unknown,
+                                 allow_viral=allow_viral,
+                                 allow_nonfree=allow_nonfree)
+        print("Package", pkg_name)
+        print("Version", licheck.version)
+        print("License", licheck.license)
+        print("Transient Requirements (dependencies of dependencies)")
+        pprint(licheck.transient_dependencies)
+        self.licheck = licheck
+
+    def test_license_compliance(self):
+        print("Package Versions")
+        pprint(self.licheck.versions)
+
+        print("Dependency Licenses")
+        pprint(self.licheck.licenses)
+
+        self.licheck.validate()