REF: improvements to pyproject.toml vs setup.py license file handling (…

…#31)

.github/workflows/ci.yml

@@ -19,7 +19,9 @@ jobs:
         python-version: 3.9
 
     - name: install dependencies
-      run: python -m pip install --upgrade pip
+      run: |
+        python -m pip install --upgrade pip
+        pip install toml
 
     - name: lint and test
       run: |

q2lint/_main.py

@@ -13,6 +13,7 @@
 import pathlib
 import sys
 import re
+import toml
 
 
 YEAR_PLACEHOLDER = "COPYRIGHT_YEARS"  # chosen to avoid re.escape replacement
@@ -103,8 +104,28 @@ def validate_project(install_requires):
     else:
         errors.append('Missing LICENSE file')
 
-    for filepath in (pathlib.Path('.').glob('**/*.py')
-                     and pathlib.Path('.').glob('**/pyproject.toml')):
+    # setup some filepath shortcuts
+    pyproject_toml = pathlib.Path('pyproject.toml')
+    setup_py = pathlib.Path('setup.py')
+
+    # Handle license file for pyproject.toml & setup.py
+    if pyproject_toml.exists():
+        data = toml.load(pyproject_toml)
+        try:
+            license_info = data.get('project', {}).get('license', {})
+            if not license_info or license_info != {'file': 'LICENSE'}:
+                errors.append(
+                    "Missing BSD-3-Clause license in `pyproject.toml`")
+        except Exception as e:
+            errors.append(f'Error parsing `pyproject.toml`: {e}')
+    else:
+        with setup_py.open('r') as fh:
+            text = fh.read()
+            if ("license='BSD-3-Clause'" not in text and
+                    'license="BSD-3-Clause"' not in text):
+                errors.append("Missing BSD-3-Clause license in `setup.py`")
+
+    for filepath in pathlib.Path('.').glob('**/*.py'):
         if str(filepath).startswith('build/'):
             continue
         if filepath.name in ('_version.py', 'versioneer.py'):