Fix Python 3.12 compat: pkg_resources -> importlib

lice/core.py

@@ -1,4 +1,3 @@
-from pkg_resources import (resource_stream, resource_listdir)
 from io import StringIO
 import argparse
 import datetime
@@ -8,6 +7,21 @@
 import sys
 import getpass
 
+try:
+    from pkg_resources import resource_stream, resource_listdir
+except ImportError:
+    import importlib.resources
+
+    def resource_stream(package_or_requirement, resource_name):
+        # https://importlib-resources.readthedocs.io/en/latest/migration.html#pkg-resources-resource-stream
+        ref = importlib.resources.files(package_or_requirement).joinpath(resource_name)
+        return ref.open('rb')
+
+    def resource_listdir(package_or_requirement, resource_name):
+        # https://importlib-resources.readthedocs.io/en/latest/migration.html#pkg-resources-resource-listdir
+        resource_qualname = '.'.join([package_or_requirement, resource_name]).rstrip('.')
+        return [r.name for r in importlib.resources.files(resource_qualname).iterdir()]
+
 
 LICENSES = []
 for file in sorted(resource_listdir(__name__, '.')):

setup.py

@@ -23,7 +23,6 @@
     entry_points={
         'console_scripts': ['lice = lice:main']},
     platforms=['any'],
-    test_suite='lice.tests.collector',
     classifiers=[
         'Development Status :: 4 - Beta',
         'License :: OSI Approved :: BSD License',

tox.ini

@@ -0,0 +1,11 @@
+[tox]
+env_list =
+    py311
+    py312
+minversion = 4.12.1
+
+[testenv]
+deps =
+    -r requirements.txt
+commands =
+    pytest {tty:--color=yes} {posargs}