Fix bugs of a11y tree when the tag is empty

desktop_env/server/main.py

@@ -33,6 +33,7 @@ logger = app.logger
 recording_process = None  # fixme: this is a temporary solution for recording, need to be changed to support multiple-process
 recording_path = "/tmp/recording.mp4"
 
+
 @app.route('/setup/execute', methods=['POST'])
 @app.route('/execute', methods=['POST'])
 def execute_command():
@@ -172,11 +173,10 @@ def _create_atspi_node(node: Accessible) -> _Element:
     states: List[StateType] = node.getState().get_states()
     for st in states:
         state_name: str = StateType._enum_lookup[st]
-        attribute_dict["{{{:}}}{:}" \
+        if len(state_name.split("_", maxsplit=1)[1].lower()) == 0:
-            .format(_accessibility_ns_map["st"]
+            continue
-                    , state_name.split("_", maxsplit=1)[1].lower()
+        attribute_dict[
-                    )
+            "{{{:}}}{:}".format(_accessibility_ns_map["st"], state_name.split("_", maxsplit=1)[1].lower())] = "true"
-        ] = "true"
     #  }}} States # 
 
     #  Attributes {{{ # 
@@ -185,11 +185,9 @@ def _create_atspi_node(node: Accessible) -> _Element:
         attribute_name: str
         attribute_value: str
         attribute_name, attribute_value = attrbt.split(":", maxsplit=1)
-        attribute_dict["{{{:}}}{:}" \
+        if len(attribute_name) == 0:
-            .format(_accessibility_ns_map["attr"]
+            continue
-                    , attribute_name
+        attribute_dict["{{{:}}}{:}".format(_accessibility_ns_map["attr"], attribute_name)] = attribute_value
-                    )
-        ] = attribute_value
     #  }}} Attributes # 
 
     #  Component {{{ # 
@@ -220,11 +218,9 @@ def _create_atspi_node(node: Accessible) -> _Element:
             attribute_name: str
             attribute_value: str
             attribute_name, attribute_value = attrbt.split(":", maxsplit=1)
-            attribute_dict["{{{:}}}{:}" \
+            if len(attribute_name) == 0:
-                .format(_accessibility_ns_map["docattr"]
+                continue
-                        , attribute_name
+            attribute_dict["{{{:}}}{:}".format(_accessibility_ns_map["docattr"], attribute_name)] = attribute_value
-                        )
-            ] = attribute_value
     #  }}} Document # 
 
     #  Text {{{ # 
@@ -279,9 +275,15 @@ def _create_atspi_node(node: Accessible) -> _Element:
             ] = action.getKeyBinding(i)
     #  }}} Action #
 
-    xml_node = lxml.etree.Element(node.getRoleName().replace(" ", "-")
+    if node.getRoleName().strip() == "":
-                                  , attrib=attribute_dict
+        node_role_name = "unknown"
-                                  , nsmap=_accessibility_ns_map
+    else:
+        node_role_name = node.getRoleName().replace(" ", "-")
+
+    xml_node = lxml.etree.Element(
+        node_role_name,
+        attrib=attribute_dict,
+        nsmap=_accessibility_ns_map
     )
     if "text" in locals() and len(text) > 0:
         xml_node.text = text
@@ -651,6 +653,7 @@ def activate_window():
 
     return "Window activated successfully", 200
 
+
 @app.route("/setup/close_window", methods=["POST"])
 def close_window():
     data = request.json
@@ -696,6 +699,7 @@ def close_window():
 
     return "Window closed successfully.", 200
 
+
 @app.route('/start_recording', methods=['POST'])
 def start_recording():
     global recording_process