--- a/libervia/frontends/tools/xmlui.py	Tue Jun 18 12:06:45 2024 +0200
+++ b/libervia/frontends/tools/xmlui.py	Wed Jun 19 18:44:57 2024 +0200
@@ -272,8 +272,15 @@
     This class must not be instancied directly
     """
 
-    def __init__(self, host, parsed_dom, title=None, flags=None, callback=None,
-                 profile=C.PROF_KEY_NONE):
+    def __init__(
+        self,
+        host,
+        parsed_dom,
+        title=None,
+        flags=None,
+        callback=None,
+        profile=C.PROF_KEY_NONE,
+    ):
         """Initialise the XMLUI instance
 
         @param host: %(doc_host)s
@@ -364,6 +371,7 @@
 
 class ValueGetter(object):
     """dict like object which return values of widgets"""
+
     # FIXME: widget which can keep multiple values are not handled
 
     def __init__(self, widgets, attr="value"):
@@ -401,8 +409,17 @@
 
     widget_factory = None
 
-    def __init__(self, host, parsed_dom, title=None, flags=None, callback=None,
-                 ignore=None, whitelist=None, profile=C.PROF_KEY_NONE):
+    def __init__(
+        self,
+        host,
+        parsed_dom,
+        title=None,
+        flags=None,
+        callback=None,
+        ignore=None,
+        whitelist=None,
+        profile=C.PROF_KEY_NONE,
+    ):
         """
 
         @param title(unicode, None): title of the
@@ -449,7 +466,9 @@
             raise ValueError(_("XMLUI can have only one main container"))
         self._main_cont = value
 
-    def _parse_childs(self, _xmlui_parent, current_node, wanted=("container",), data=None):
+    def _parse_childs(
+        self, _xmlui_parent, current_node, wanted=("container",), data=None
+    ):
         """Recursively parse childNodes of an element
 
         @param _xmlui_parent: widget container with '_xmlui_append' method
@@ -487,7 +506,10 @@
                         #        used or even useful, it should probably be removed
                         #        and all "is not None" tests for it should be removed too
                         #        to be checked for 0.8
-                        cont, node, ("widget", "container"), {CURRENT_LABEL: None}
+                        cont,
+                        node,
+                        ("widget", "container"),
+                        {CURRENT_LABEL: None},
                     )
                 elif type_ == "advanced_list":
                     try:
@@ -536,9 +558,7 @@
                 if not name or not "tabs_cont" in data:
                     raise InvalidXMLUI
                 if self.type == "param":
-                    self._current_category = (
-                        name
-                    )  # XXX: awful hack because params need category and we don't keep parent
+                    self._current_category = name  # XXX: awful hack because params need category and we don't keep parent
                 tab_cont = data["tabs_cont"]
                 new_tab = tab_cont._xmlui_add_tab(label or name, selected)
                 self._parse_childs(new_tab, node, ("widget", "container"))
@@ -586,8 +606,10 @@
                     data[CURRENT_LABEL] = ctrl
                 elif type_ == "hidden":
                     if name in self.hidden:
-                        raise exceptions.ConflictError("Conflict on hidden value with "
-                                                       "name {name}".format(name=name))
+                        raise exceptions.ConflictError(
+                            "Conflict on hidden value with "
+                            "name {name}".format(name=name)
+                        )
                     self.hidden[name] = value
                     continue
                 elif type_ == "jid":
@@ -1090,27 +1112,40 @@
     # TODO: remove this method, as there are seme use cases where different XMLUI
     #       classes can be used in the same frontend, so a global value is not good
     assert type_ in (CLASS_PANEL, CLASS_DIALOG)
-    log.warning("register_class for XMLUI is deprecated, please use partial with "
-                "xmlui.create and class_map instead")
+    log.warning(
+        "register_class for XMLUI is deprecated, please use partial with "
+        "xmlui.create and class_map instead"
+    )
     if type_ in _class_map:
-        log.debug(_("XMLUI class already registered for {type_}, ignoring").format(
-            type_=type_))
+        log.debug(
+            _("XMLUI class already registered for {type_}, ignoring").format(type_=type_)
+        )
         return
 
     _class_map[type_] = class_
 
 
-def create(host, xml_data, title=None, flags=None, dom_parse=None, dom_free=None,
-           callback=None, ignore=None, whitelist=None, class_map=None,
-           profile=C.PROF_KEY_NONE):
+def create(
+    host,
+    xml_data,
+    title=None,
+    flags=None,
+    dom_parse=None,
+    dom_free=None,
+    callback=None,
+    ignore=None,
+    whitelist=None,
+    class_map=None,
+    profile=C.PROF_KEY_NONE,
+):
     """
-        @param dom_parse: methode equivalent to minidom.parseString (but which must manage unicode), or None to use default one
-        @param dom_free: method used to free the parsed DOM
-        @param ignore(list[unicode], None): name of widgets to ignore
-            widgets with name in this list and their label will be ignored
-        @param whitelist(list[unicode], None): name of widgets to keep
-            when not None, only widgets in this list and their label will be kept
-            mutually exclusive with ignore
+    @param dom_parse: methode equivalent to minidom.parseString (but which must manage unicode), or None to use default one
+    @param dom_free: method used to free the parsed DOM
+    @param ignore(list[unicode], None): name of widgets to ignore
+        widgets with name in this list and their label will be ignored
+    @param whitelist(list[unicode], None): name of widgets to keep
+        when not None, only widgets in this list and their label will be kept
+        mutually exclusive with ignore
     """
     if class_map is None:
         class_map = _class_map