feat(parser): adding below_elements method

scrapling/parser.py

@@ -19,7 +19,7 @@ from scrapling.core.storage_adaptors import (SQLiteStorageSystem,
                                              StorageSystemMixin, _StorageTools)
 from scrapling.core.translator import HTMLTranslator
 from scrapling.core.utils import (clean_spaces, flatten, html_forbidden,
-                                  is_jsonable, log)
+                                  is_jsonable, log, lru_cache)
 
 
 class Adaptor(SelectorsGeneration):
@@ -284,6 +284,13 @@ class Adaptor(SelectorsGeneration):
         """Return the direct parent of the element or ``None`` otherwise"""
         return self.__handle_element(self._root.getparent())
 
+    @property
+    @lru_cache(None, True)
+    def below_elements(self) -> 'Adaptors[Adaptor]':
+        """Return all elements under the current element in the DOM tree"""
+        below = self._root.xpath('.//*')
+        return self.__handle_elements(below)
+
     @property
     def children(self) -> 'Adaptors[Adaptor]':
         """Return the children elements of the current element or empty list otherwise"""