Replace pkg_resources with packaging for Python 3.12 compatibility. (#112)

* Replace pkg_resources with packaging for Python 3.12 compatibility.

* Add Python 3.11 to CI testing.

* Formatting fix.

Author: brunns

.github/workflows/test.yml

@@ -13,7 +13,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10"]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
         # TODO: remove `7.1` in the next release
         pytest-version: ["~=6.2", "~=7.1", "~=7.2"]
 

pytest_mypy_plugins/collect.py

@@ -15,12 +15,12 @@
     Set,
 )
 
-import pkg_resources
 import py.path
 import pytest
 import yaml
 from _pytest.config.argparsing import Parser
 from _pytest.nodes import Node
+from packaging.version import Version
 
 from pytest_mypy_plugins import utils
 
@@ -152,7 +152,7 @@ def _eval_skip(self, skip_if: str) -> bool:
         return eval(skip_if, {"sys": sys, "os": os, "pytest": pytest, "platform": platform})
 
 
-if pkg_resources.parse_version(pytest.__version__) >= pkg_resources.parse_version("7.0.0rc1"):
+if Version(pytest.__version__) >= Version("7.0.0rc1"):
 
     def pytest_collect_file(file_path: pathlib.Path, parent: Node) -> Optional[YamlTestFile]:
         if file_path.suffix in {".yaml", ".yml"} and file_path.name.startswith(("test-", "test_")):

setup.py

@@ -10,6 +10,7 @@
     "pyyaml",
     "chevron",
     "regex",
+    "packaging",
 ]
 
 setup(