
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


lowerCamelCase__						=				logging.get_logger(__name__)







class 							lowerCAmelCase__   ( A__						):

						def __init__(      self							,				**a					)       ->   Dict:


								'''simple docstring'''

								requires_backends(self							,				["""bs4"""]					)
								super().__init__(**__UpperCAmelCase					)

						def 			A_					(      self							,				a					)       ->   List[str]:


								'''simple docstring'''

								_UpperCamelCase         =						[]
								_UpperCamelCase         =						[]
								_UpperCamelCase         =						element if element.name else element.parent
								for parent in child.parents:  # type: bs4.element.Tag
										_UpperCamelCase         =						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         =						parent
								xpath_tags.reverse()
								xpath_subscripts.reverse()
								return xpath_tags, xpath_subscripts

						def 			A_					(      self							,				a					)       ->   Dict:


								'''simple docstring'''

								_UpperCamelCase         =						BeautifulSoup(__UpperCAmelCase							,				"""html.parser"""					)

								_UpperCamelCase         =						[]
								_UpperCamelCase         =						[]
								_UpperCamelCase         =						[]

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

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

												all_doc_strings.append(__UpperCAmelCase					)

												_UpperCamelCase     ,						_UpperCamelCase         =						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 			A_					(      self							,				a							,				a					)       ->   Union[str, Any]:


								'''simple docstring'''

								_UpperCamelCase         =						""""""
								for tagname, subs in zip(__UpperCAmelCase							,				__UpperCAmelCase					):
										xpath += F'/{tagname}'
										if subs != 0:
												xpath += F'[{subs}]'
								return xpath







						def __call__(      self							,				a					)       ->   BatchFeature:


								'''simple docstring'''

								_UpperCamelCase         =						False

								# Check that strings has a valid type
								if isinstance(__UpperCAmelCase							,				__UpperCAmelCase					):
										_UpperCamelCase         =						True
								elif isinstance(__UpperCAmelCase							,				(list, tuple)					):
										if len(__UpperCAmelCase					) == 0 or isinstance(html_strings[0]							,				__UpperCAmelCase					):
												_UpperCamelCase         =						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         =						bool(isinstance(__UpperCAmelCase							,				(list, tuple)					) and (isinstance(html_strings[0]							,				__UpperCAmelCase					))					)

								if not is_batched:
										_UpperCamelCase         =						[html_strings]

								# Get nodes + xpaths
								_UpperCamelCase         =						[]
								_UpperCamelCase         =						[]
								for html_string in html_strings:
										_UpperCamelCase     ,						_UpperCamelCase     ,						_UpperCamelCase         =						self.get_three_from_single(__UpperCAmelCase					)
										nodes.append(__UpperCAmelCase					)
										_UpperCamelCase         =						[]
										for node, tag_list, sub_list in zip(__UpperCAmelCase							,				__UpperCAmelCase							,				__UpperCAmelCase					):
												_UpperCamelCase         =						self.construct_xpath(__UpperCAmelCase							,				__UpperCAmelCase					)
												xpath_strings.append(__UpperCAmelCase					)
										xpaths.append(__UpperCAmelCase					)

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

								return encoded_inputs






"""simple docstring"""




from __future__ import annotations

def 						A							(  snake_case__     ):




			'''simple docstring'''


			for i in range(1		,					len(matrix[0]     )     ):
						matrix[0][i] += matrix[0][i - 1]

			# preprocessing the first column
			for i in range(1		,					len(snake_case__     )     ):
						matrix[i][0] += matrix[i - 1][0]

			# updating the path cost for current position
			for i in range(1		,					len(snake_case__     )     ):
						for j in range(1		,					len(matrix[0]     )     ):
									matrix[i][j] += min(matrix[i - 1][j]		,					matrix[i][j - 1]     )

			return matrix[-1][-1]


if __name__ == "__main__":
						import doctest

						doctest.testmod()


