

"""simple docstring"""






from __future__ import annotations

import queue
class        _lowercase					:







     def __init__(      self ,						UpperCamelCase_       ):
      __magic_name__     =      data
      __magic_name__     =      None
      __magic_name__     =      None





def 	lowercase      (   ) ->      TreeNode:
 print('''\n********Press N to stop entering at any point of time********\n'''						)
 __magic_name__     =      input('''Enter the value of the root node: '''						).strip().lower()
 __magic_name__     =      queue.Queue()
 __magic_name__     =      TreeNode(int(__UpperCamelCase						)						)
 q.put(__UpperCamelCase						)
 while not q.empty():
  __magic_name__     =      q.get()
  __magic_name__     =      f'''Enter the left node of {node_found.data}: '''
  __magic_name__     =      input(__UpperCamelCase						).strip().lower() or '''n'''
  if check == "n":
   return tree_node
  __magic_name__     =      TreeNode(int(__UpperCamelCase						)						)
  __magic_name__     =      left_node
  q.put(__UpperCamelCase						)
  __magic_name__     =      f'''Enter the right node of {node_found.data}: '''
  __magic_name__     =      input(__UpperCamelCase						).strip().lower() or '''n'''
  if check == "n":
   return tree_node
  __magic_name__     =      TreeNode(int(__UpperCamelCase						)						)
  __magic_name__     =      right_node
  q.put(__UpperCamelCase						)
 raise





def 	lowercase      (   __UpperCamelCase						) ->      None:
 if not isinstance(__UpperCamelCase      ,   __UpperCamelCase						) or not node:
  return
 print(node.data      ,   end=''','''						)
 pre_order(node.left						)
 pre_order(node.right						)





def 	lowercase      (   __UpperCamelCase						) ->      None:
 if not isinstance(__UpperCamelCase      ,   __UpperCamelCase						) or not node:
  return
 in_order(node.left						)
 print(node.data      ,   end=''','''						)
 in_order(node.right						)





def 	lowercase      (   __UpperCamelCase						) ->      None:
 if not isinstance(__UpperCamelCase      ,   __UpperCamelCase						) or not node:
  return
 post_order(node.left						)
 post_order(node.right						)
 print(node.data      ,   end=''','''						)





def 	lowercase      (   __UpperCamelCase						) ->      None:
 if not isinstance(__UpperCamelCase      ,   __UpperCamelCase						) or not node:
  return
 __magic_name__     =      queue.Queue()
 q.put(__UpperCamelCase						)
 while not q.empty():
  __magic_name__     =      q.get()
  print(node_dequeued.data      ,   end=''','''						)
  if node_dequeued.left:
   q.put(node_dequeued.left						)
  if node_dequeued.right:
   q.put(node_dequeued.right						)





def 	lowercase      (   __UpperCamelCase						) ->      None:
 if not isinstance(__UpperCamelCase      ,   __UpperCamelCase						) or not node:
  return
 __magic_name__     =      queue.Queue()
 q.put(__UpperCamelCase						)
 while not q.empty():
  __magic_name__     =      []
  while not q.empty():
   __magic_name__     =      q.get()
   print(node_dequeued.data      ,   end=''','''						)
   if node_dequeued.left:
    list_.append(node_dequeued.left						)
   if node_dequeued.right:
    list_.append(node_dequeued.right						)
  print()
  for node in list_:
   q.put(__UpperCamelCase						)





def 	lowercase      (   __UpperCamelCase						) ->      None:
 if not isinstance(__UpperCamelCase      ,   __UpperCamelCase						) or not node:
  return
 __magic_name__     =      []
 __magic_name__     =      node
 while n or stack:
  while n:  # start from root node, find its left child
   print(n.data      ,   end=''','''						)
   stack.append(__UpperCamelCase						)
   __magic_name__     =      n.left
  # end of while means current node doesn't have left child
  __magic_name__     =      stack.pop()
  # start to traverse its right child
  __magic_name__     =      n.right





def 	lowercase      (   __UpperCamelCase						) ->      None:
 if not isinstance(__UpperCamelCase      ,   __UpperCamelCase						) or not node:
  return
 __magic_name__     =      []
 __magic_name__     =      node
 while n or stack:
  while n:
   stack.append(__UpperCamelCase						)
   __magic_name__     =      n.left
  __magic_name__     =      stack.pop()
  print(n.data      ,   end=''','''						)
  __magic_name__     =      n.right





def 	lowercase      (   __UpperCamelCase						) ->      None:
 if not isinstance(__UpperCamelCase      ,   __UpperCamelCase						) or not node:
  return
 __magic_name__   ,						__magic_name__     =      [], []
 __magic_name__     =      node
 stacka.append(__UpperCamelCase						)
 while stacka:  # to find the reversed order of post order, store it in stack2
  __magic_name__     =      stacka.pop()
  if n.left:
   stacka.append(n.left						)
  if n.right:
   stacka.append(n.right						)
  stacka.append(__UpperCamelCase						)
 while stacka:  # pop up from stack2 will be the post order
  print(stacka.pop().data      ,   end=''','''						)





def 	lowercase      (   __UpperCamelCase = ""      ,   __UpperCamelCase=50      ,   __UpperCamelCase="*"						) ->      str:
 if not s:
  return "\n" + width * char
 __magic_name__   ,						__magic_name__     =      divmod(width - len(__UpperCamelCase						) - 2      ,   2						)
 return f'''{left * char} {s} {(left + extra) * char}'''


if __name__ == "__main__":
 import doctest

 doctest.testmod()
 print(prompt("Binary Tree Traversals"))

 __lowerCamelCase										=		build_tree()
 print(prompt("Pre Order Traversal"))
 pre_order(node)
 print(prompt() + "\n")

 print(prompt("In Order Traversal"))
 in_order(node)
 print(prompt() + "\n")

 print(prompt("Post Order Traversal"))
 post_order(node)
 print(prompt() + "\n")

 print(prompt("Level Order Traversal"))
 level_order(node)
 print(prompt() + "\n")

 print(prompt("Actual Level Order Traversal"))
 level_order_actual(node)
 print("*" * 50 + "\n")

 print(prompt("Pre Order Traversal - Iteration Version"))
 pre_order_iter(node)
 print(prompt() + "\n")

 print(prompt("In Order Traversal - Iteration Version"))
 in_order_iter(node)
 print(prompt() + "\n")

 print(prompt("Post Order Traversal - Iteration Version"))
 post_order_iter(node)
 print(prompt())








"""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


__lowerCamelCase										=		logging.get_logger(__name__)
class        _lowercase					(     __UpperCAmelCase     ):







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







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







     def 	lowerCAmelCase__    (      self ,						UpperCamelCase_       ):
      __magic_name__     =      BeautifulSoup(UpperCamelCase_ ,						'''html.parser'''       )

      __magic_name__     =      []
      __magic_name__     =      []
      __magic_name__     =      []

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

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

        all_doc_strings.append(UpperCamelCase_       )

        __magic_name__   ,						__magic_name__     =      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 	lowerCAmelCase__    (      self ,						UpperCamelCase_ ,						UpperCamelCase_       ):
      __magic_name__     =      ''''''
      for tagname, subs in zip(UpperCamelCase_ ,						UpperCamelCase_       ):
       xpath += f'''/{tagname}'''
       if subs != 0:
        xpath += f'''[{subs}]'''
      return xpath







     def __call__(      self ,						UpperCamelCase_       ):
      __magic_name__     =      False

      # Check that strings has a valid type
      if isinstance(UpperCamelCase_ ,						UpperCamelCase_       ):
       __magic_name__     =      True
      elif isinstance(UpperCamelCase_ ,						(list, tuple)       ):
       if len(UpperCamelCase_       ) == 0 or isinstance(html_strings[0] ,						UpperCamelCase_       ):
        __magic_name__     =      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_       )}.'''       )

      __magic_name__     =      bool(isinstance(UpperCamelCase_ ,						(list, tuple)       ) and (isinstance(html_strings[0] ,						UpperCamelCase_       ))       )

      if not is_batched:
       __magic_name__     =      [html_strings]

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

      # return as Dict
      __magic_name__     =      {'''nodes''': nodes, '''xpaths''': xpaths}
      __magic_name__     =      BatchFeature(data=UpperCamelCase_ ,						tensor_type=UpperCamelCase_       )

      return encoded_inputs

