Simplify a few set_object_state methods

gramps/gen/lib/event.py

@@ -154,12 +154,8 @@ def set_object_state(self, attr_dict):
 
         We override this method to handle the `type` and `description` properties.
         """
-        if "type" in attr_dict:
-            self.__type = attr_dict["type"]
-            del attr_dict["type"]
-        if "description" in attr_dict:
-            self.__description = attr_dict["description"]
-            del attr_dict["description"]
+        self.__type = attr_dict.pop("type")
+        self.__description = attr_dict.pop("description")
         super().set_object_state(attr_dict)
 
     @classmethod

gramps/gen/lib/eventref.py

@@ -103,8 +103,7 @@ def set_object_state(self, attr_dict):
 
         We override this method to handle the `role` property.
         """
-        self.__role = attr_dict["role"]
-        del attr_dict["role"]
+        self.__role = attr_dict.pop("role")
         super().set_object_state(attr_dict)
 
     @classmethod

gramps/gen/lib/person.py

@@ -339,9 +339,7 @@ def set_object_state(self, attr_dict):
 
         We override this method to handle the `gender` property.
         """
-        if "gender" in attr_dict:
-            self.__gender = attr_dict["gender"]
-            del attr_dict["gender"]
+        self.__gender = attr_dict.pop("gender")
         super().set_object_state(attr_dict)
 
     def _has_handle_reference(self, classname, handle):

gramps/gen/lib/tag.py

@@ -129,15 +129,9 @@ def set_object_state(self, attr_dict):
         We override this method to handle the `name`, `color` and `priority`
         properties.
         """
-        if "name" in attr_dict:
-            self.__name = attr_dict["name"]
-            del attr_dict["name"]
-        if "color" in attr_dict:
-            self.__color = attr_dict["color"]
-            del attr_dict["color"]
-        if "priority" in attr_dict:
-            self.__priority = attr_dict["priority"]
-            del attr_dict["priority"]
+        self.__name = attr_dict.pop("name")
+        self.__color = attr_dict.pop("color")
+        self.__priority = attr_dict.pop("priority")
         super().set_object_state(attr_dict)
 
     @classmethod