xfconf module utils: providing a cmd_runner object (#4776)

* xfconf: changed implementation to use cmd_runner

* added module_utils/xfconf.py

* xfconf_info: using cmd_runner

* added module_utils to BOTMETA.yml

* added changelog fragment

* use cmd_runner_fmt instead of deprecated form

plugins/module_utils/xfconf.py

@@ -0,0 +1,37 @@
+# -*- coding: utf-8 -*-
+# (c) 2022, Alexei Znamensky <russoz@gmail.com>
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+from __future__ import absolute_import, division, print_function
+__metaclass__ = type
+
+from ansible.module_utils.parsing.convert_bool import boolean
+from ansible_collections.community.general.plugins.module_utils.cmd_runner import CmdRunner, cmd_runner_fmt as fmt
+
+
+@fmt.unpack_args
+def _values_fmt(values, value_types):
+    result = []
+    for value, value_type in zip(values, value_types):
+        if value_type == 'bool':
+            value = boolean(value)
+        result.extend(['--type', '{0}'.format(value_type), '--set', '{0}'.format(value)])
+    return result
+
+
+def xfconf_runner(module, **kwargs):
+    runner = CmdRunner(
+        module,
+        command='xfconf-query',
+        arg_formats=dict(
+            channel=fmt.as_opt_val("--channel"),
+            property=fmt.as_opt_val("--property"),
+            force_array=fmt.as_bool("--force-array"),
+            reset=fmt.as_bool("--reset"),
+            create=fmt.as_bool("--create"),
+            list_arg=fmt.as_bool("--list"),
+            values_and_types=fmt.as_func(_values_fmt),
+        ),
+        **kwargs
+    )
+    return runner