'''simple docstring'''




import html

from ...feature_extraction_utils import BatchFeature, FeatureExtractionMixin
from ...utils import is_bsa_available, logging, requires_backends


if is_bsa_available():
   import bsa
   from bsa import BeautifulSoup


_a   :	Optional[Any] 							=   logging.get_logger(__name__)






class 		__A       (__magic_name__   ):






       def __init__(      self				,     **UpperCamelCase_      ):
              requires_backends(self				,     ["bs4"]      )
              super().__init__(**UpperCamelCase_      )






       def 			_snake_case						(      self				,     UpperCamelCase_      ):
              __UpperCAmelCase  :				Optional[Any]       				=		[]
              __UpperCAmelCase  :				List[str]       				=		[]
              __UpperCAmelCase  :				Optional[int]       				=		element if element.name else element.parent
              for parent in child.parents:  # type: bs4.element.Tag
                     __UpperCAmelCase  :				Tuple       				=		parent.find_all(child.name				,     recursive=UpperCamelCase_      )
                     xpath_tags.append(child.name      )
                     xpath_subscripts.append(
                         0 if 1 == len(UpperCamelCase_      ) else next(i for i, s in enumerate(UpperCamelCase_				,     1      ) if s is child      )      )
                     __UpperCAmelCase  :				Tuple       				=		parent
              xpath_tags.reverse()
              xpath_subscripts.reverse()
              return xpath_tags, xpath_subscripts






       def 			_snake_case						(      self				,     UpperCamelCase_      ):
              __UpperCAmelCase  :				Any       				=		BeautifulSoup(UpperCamelCase_				,     "html.parser"      )

              __UpperCAmelCase  :				Tuple       				=		[]
              __UpperCAmelCase  :				Optional[int]       				=		[]
              __UpperCAmelCase  :				Any       				=		[]

              for element in html_code.descendants:
                     if type(UpperCamelCase_      ) == bsa.element.NavigableString:
                            if type(element.parent      ) != bsa.element.Tag:
                                   continue

                            __UpperCAmelCase  :				Dict       				=		html.unescape(UpperCamelCase_      ).strip()
                            if not text_in_this_tag:
                                   continue

                            all_doc_strings.append(UpperCamelCase_      )

                            __UpperCAmelCase				, __UpperCAmelCase  :				int       				=		self.xpath_soup(UpperCamelCase_      )
                            stringaxtag_seq.append(UpperCamelCase_      )
                            stringaxsubs_seq.append(UpperCamelCase_      )

              if len(UpperCamelCase_      ) != len(UpperCamelCase_      ):
                     raise ValueError("Number of doc strings and xtags does not correspond"      )
              if len(UpperCamelCase_      ) != len(UpperCamelCase_      ):
                     raise ValueError("Number of doc strings and xsubs does not correspond"      )

              return all_doc_strings, stringaxtag_seq, stringaxsubs_seq






       def 			_snake_case						(      self				,     UpperCamelCase_				,     UpperCamelCase_      ):
              __UpperCAmelCase  :				List[Any]       				=		""
              for tagname, subs in zip(UpperCamelCase_				,     UpperCamelCase_      ):
                     xpath += f"""/{tagname}"""
                     if subs != 0:
                            xpath += f"""[{subs}]"""
              return xpath







       def __call__(      self				,     UpperCamelCase_      ):
              __UpperCAmelCase  :				Union[str, Any]       				=		False

              # Check that strings has a valid type
              if isinstance(UpperCamelCase_				,     UpperCamelCase_      ):
                     __UpperCAmelCase  :				List[Any]       				=		True
              elif isinstance(UpperCamelCase_				,     (list, tuple)      ):
                     if len(UpperCamelCase_      ) == 0 or isinstance(html_strings[0]				,     UpperCamelCase_      ):
                            __UpperCAmelCase  :				Union[str, Any]       				=		True

              if not valid_strings:
                     raise ValueError(
                         "HTML strings must of type `str`, `List[str]` (batch of examples), "
                         f"""but is of type {type(UpperCamelCase_      )}."""      )

              __UpperCAmelCase  :				Any       				=		bool(isinstance(UpperCamelCase_				,     (list, tuple)      ) and (isinstance(html_strings[0]				,     UpperCamelCase_      ))      )

              if not is_batched:
                     __UpperCAmelCase  :				Any       				=		[html_strings]

              # Get nodes + xpaths
              __UpperCAmelCase  :				Union[str, Any]       				=		[]
              __UpperCAmelCase  :				Optional[int]       				=		[]
              for html_string in html_strings:
                     __UpperCAmelCase				, __UpperCAmelCase				, __UpperCAmelCase  :				Union[str, Any]       				=		self.get_three_from_single(UpperCamelCase_      )
                     nodes.append(UpperCamelCase_      )
                     __UpperCAmelCase  :				Optional[Any]       				=		[]
                     for node, tag_list, sub_list in zip(UpperCamelCase_				,     UpperCamelCase_				,     UpperCamelCase_      ):
                            __UpperCAmelCase  :				Optional[Any]       				=		self.construct_xpath(UpperCamelCase_				,     UpperCamelCase_      )
                            xpath_strings.append(UpperCamelCase_      )
                     xpaths.append(UpperCamelCase_      )

              # return as Dict
              __UpperCAmelCase  :				int       				=		{"nodes": nodes, "xpaths": xpaths}
              __UpperCAmelCase  :				Tuple       				=		BatchFeature(data=UpperCamelCase_				,     tensor_type=UpperCamelCase_      )

              return encoded_inputs







'''simple docstring'''




def _lowercase	(      lowerCamelCase__ = 100						)					->       int:





       """simple docstring"""


       __UpperCAmelCase  :				Optional[Any]       				=		(n * (n + 1) // 2) ** 2
       __UpperCAmelCase  :				Any       				=		n * (n + 1) * (2 * n + 1) // 6
       return sum_cubes - sum_squares


if __name__ == "__main__":
   print(f"""{solution() = }""")






