Add script action to refresh settings

- Will remove unused settings from settings.xml in Kodi 20+

resources/language/resource.language.en_gb/strings.po

@@ -1572,3 +1572,11 @@ msgstr ""
 msgctxt "#30816"
 msgid "List is empty.[CR][CR]Refresh from context menu or try again later."
 msgstr ""
+
+msgctxt "#30817"
+msgid "Refresh settings.xml"
+msgstr ""
+
+msgctxt "#30818"
+msgid "Are you sure you want to refresh settings.xml?"
+msgstr ""

resources/lib/youtube_plugin/kodion/context/xbmc/xbmc_context.py

@@ -159,6 +159,7 @@ class XbmcContext(AbstractContext):
         'purchases': 30622,
         'recommendations': 30551,
         'refresh': 30543,
+        'refresh.settings.confirm': 30818,
         'related_videos': 30514,
         'remove': 30108,
         'removed': 30666,

resources/lib/youtube_plugin/kodion/script_actions.py

@@ -21,7 +21,7 @@
 )
 from .context import XbmcContext
 from .network import get_client_ip_address, httpd_status
-from .utils import rm_dir, validate_ip_address
+from .utils import current_system_version, rm_dir, validate_ip_address
 
 
 def _config_actions(context, action, *_args):
@@ -150,6 +150,48 @@ def _maintenance_actions(context, action, params):
             targets[target]().clear()
             ui.show_notification(localize('succeeded'))
 
+    elif action == 'refresh':
+        targets = {
+            'settings_xml': 'settings.xml',
+        }
+        path = targets.get(target)
+        if not path:
+            return
+
+        if target == 'settings_xml' and ui.on_yes_no_input(
+                context.get_name(), localize('refresh.settings.confirm')
+        ):
+            if not current_system_version.compatible(20, 0):
+                ui.show_notification(localize('failed'))
+                return
+
+            import xml.etree.ElementTree as ET
+
+            path = xbmcvfs.translatePath(os.path.join(DATA_PATH, path))
+            xml = ET.parse(path)
+            settings = xml.getroot()
+
+            marker = settings.find('setting[@id="|end_settings_marker|"]')
+            if marker is None:
+                ui.show_notification(localize('failed'))
+                return
+
+            removed = 0
+            for setting in reversed(settings.findall('setting')):
+                if setting == marker:
+                    break
+                settings.remove(setting)
+                removed += 1
+            else:
+                ui.show_notification(localize('failed'))
+                return
+
+            if removed:
+                xml.write(path)
+            ui.show_notification(localize('succeeded'))
+        else:
+            return
+
     elif action == 'delete':
         path = params.get('path')
         targets = {

resources/settings.xml

@@ -1125,7 +1125,6 @@
                     <control format="action" type="button"/>
                 </setting>
             </group>
-
             <group id="3">
                 <setting id="kodion.maintain.reset.accessmanager" type="action" label="30580" help="">
                     <level>0</level>
@@ -1137,6 +1136,16 @@
                         <close>true</close>
                     </control>
                 </setting>
+                <setting id="kodion.maintain.refresh.settings" type="action" label="30817" help="">
+                    <level>0</level>
+                    <constraints>
+                        <allowempty>true</allowempty>
+                    </constraints>
+                    <data>RunScript($ID,maintenance/refresh?target=settings_xml)</data>
+                    <control format="action" type="button">
+                        <close>true</close>
+                    </control>
+                </setting>
             </group>
             <group id="4">
                 <setting id="kodion.maintain.delete.settings" type="action" label="30559" help="">