Replace pkg_resources with importlib.metadata

* Replace pkg_resources with importlib.metadata
* Add importlib-metadata to requirements for python_version < "3.8"

Signed-off-by: Gaurav Talreja <gtalreja@redhat.com>
Co-authored-by: Evgeni Golov <evgeni@golov.de>

Author: Gauravtalreja1

requirements-dev.txt

@@ -12,6 +12,7 @@ rpm; python_version >= '3.12'
 rstcheck==3.5.0 # from https://github.com/ansible/ansible/raw/devel/test/sanity/code-smell/rstcheck.requirements.txt
 docker
 cryptography<3.1; python_version < '3.7'
+importlib-metadata; python_version < '3.8'
 -r requirements.txt
 pylint==2.6.0; python_version > '3.0' and python_version <= '3.8' # py 3.8 is used for "stable" ansible, but only devel has pylint rules for newer pylints
 pylint==2.17.3; python_version >= '3.9' # from https://raw.githubusercontent.com/ansible/ansible/devel/test/lib/ansible_test/_data/requirements/sanity.pylint.txt

tests/conftest.py

@@ -2,7 +2,10 @@
 import os
 
 import ansible_runner
-import pkg_resources
+try:
+    from importlib.metadata import version, PackageNotFoundError
+except ModuleNotFoundError:
+    from importlib_metadata import version, PackageNotFoundError
 import pytest
 import py.path
 import yaml
@@ -112,13 +115,12 @@ def run_playbook_vcr(tmpdir, module, extra_vars=None, limit=None, inventory=None
 
 
 def get_ansible_version():
-    ansible_version = '2.14.0'
     for ansible_name in ['ansible', 'ansible-base', 'ansible-core']:
         try:
-            ansible_version = pkg_resources.get_distribution(ansible_name).version
-        except pkg_resources.DistributionNotFound:
+            return version(ansible_name)
+        except PackageNotFoundError:
             pass
-    return ansible_version
+    return '2.14.0'
 
 
 def assert_no_warnings(run):