Prepare for distutils.version being removed in Python 3.12 (#258)

* Prepare for distutils.version being removed in Python 2.12.

* Fix copy'n'paste error.

* Fix import.

* Re-add Loose prefix.

* Fix Python version typo.

* Improve formulation.

* Move message into own line.

* Fix casing, now that the object is no longer called Version.

plugins/module_utils/common.py

@@ -12,8 +12,6 @@ import re
 import sys
 import traceback
 from datetime import timedelta
-from distutils.version import LooseVersion
-
 
 from ansible.module_utils.basic import AnsibleModule, env_fallback, missing_required_lib
 from ansible.module_utils.common.collections import is_sequence
@@ -22,6 +20,8 @@ from ansible.module_utils.six import string_types
 from ansible.module_utils.six.moves.urllib.parse import urlparse
 from ansible.module_utils.parsing.convert_bool import BOOLEANS_TRUE, BOOLEANS_FALSE
 
+from ansible_collections.community.docker.plugins.module_utils.version import LooseVersion
+
 HAS_DOCKER_PY = True
 HAS_DOCKER_PY_2 = False
 HAS_DOCKER_PY_3 = False

plugins/module_utils/swarm.py

@@ -16,10 +16,10 @@ except ImportError:
     pass
 
 from ansible.module_utils.common.text.converters import to_native
-from ansible_collections.community.docker.plugins.module_utils.common import (
-    AnsibleDockerClient,
-    LooseVersion,
-)
+
+from ansible_collections.community.docker.plugins.module_utils.version import LooseVersion
+
+from ansible_collections.community.docker.plugins.module_utils.common import AnsibleDockerClient
 
 
 class AnsibleDockerSwarmClient(AnsibleDockerClient):

plugins/module_utils/version.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+
+# Copyright: (c) 2021, Felix Fontein <felix@fontein.de>
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+"""Provide version object to compare version numbers."""
+
+from __future__ import absolute_import, division, print_function
+__metaclass__ = type
+
+from ansible.module_utils.six import raise_from
+
+try:
+    from ansible.module_utils.compat.version import LooseVersion
+except ImportError:
+    try:
+        from distutils.version import LooseVersion
+    except ImportError as exc:
+        msg = 'To use this plugin or module with ansible-core < 2.11, you need to use Python < 3.12 with distutils.version present'
+        raise_from(ImportError(msg), exc)