
import json
import os
from typing import Dict, List, Optional, Tuple

from ...tokenization_utils import PreTrainedTokenizer
from ...utils import logging


lowercase__       =logging.get_logger(__name__)


lowercase__       ={
    'vocab_file': 'vocab.json',
    'tokenizer_config_file': 'tokenizer_config.json',
    'merges_file': 'merges.txt',
}

lowercase__       ={
    'vocab_file': {
        'facebook/s2t-wav2vec2-large-en-de': (
            'https://huggingface.co/facebook/s2t-wav2vec2-large-en-de/resolve/main/vocab.json'
        ),
    },
    'tokenizer_config_file': {
        'facebook/s2t-wav2vec2-large-en-de': (
            'https://huggingface.co/facebook/s2t-wav2vec2-large-en-de/resolve/main/tokenizer_config.json'
        ),
    },
    'merges_file': {
        'facebook/s2t-wav2vec2-large-en-de': (
            'https://huggingface.co/facebook/s2t-wav2vec2-large-en-de/resolve/main/merges.txt'
        ),
    },
}

lowercase__       ='</w>'
lowercase__       ='@@ '




def    __UpperCamelCase     (				lowerCAmelCase__							:				Any  ):
 __a :  int						=  set()
 __a :  Optional[Any]						=  word[0]
 for char in word[1:]:
  pairs.add((prev_char, char)  )
  __a :  Any						=  char
 return pairs


# Speech2Text2 has no max input length
lowercase__       ={'facebook/s2t-wav2vec2-large-en-de': 1024}



class 		UpperCamelCase__  (       __lowercase    ):
   _SCREAMING_SNAKE_CASE      :							Tuple	       =      VOCAB_FILES_NAMES
   _SCREAMING_SNAKE_CASE      :							Union[str, Any]	       =      PRETRAINED_VOCAB_FILES_MAP
   _SCREAMING_SNAKE_CASE      :							Tuple	       =      PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
   _SCREAMING_SNAKE_CASE      :							List[str]	       =      ["input_ids", "attention_mask"]
   def __init__(self :					Optional[int]					,				snake_case_ :					Dict					,				snake_case_ :					List[str]="<s>"					,				snake_case_ :					Tuple="<pad>"					,				snake_case_ :					Tuple="</s>"					,				snake_case_ :					Any="<unk>"					,				snake_case_ :					Optional[int]=False					,				snake_case_ :					str=None					,				**snake_case_ :					List[Any]					,				):
    super().__init__(
        unk_token=snake_case_					,				bos_token=snake_case_					,				eos_token=snake_case_					,				pad_token=snake_case_					,				do_lower_case=snake_case_					,				**snake_case_					,				)

    __a :  Union[str, Any]						=  do_lower_case

    with open(snake_case_					,				encoding='''utf-8'''   ) as vocab_handle:
     __a :  Dict						=  json.load(snake_case_   )
    __a :  Optional[Any]						=  {v: k for k, v in self.encoder.items()}

    if merges_file is None:
     logger.info(f"No merges files provided. {self.__class__.__name__} can only be used for decoding."   )

     __a :  List[str]						=  None
     __a :  Tuple						=  None
    else:
     with open(snake_case_					,				encoding='''utf-8'''   ) as merges_handle:
      __a :  List[Any]						=  merges_handle.read().split('''\n'''   )[:-1]

     __a :  Optional[int]						=  [tuple(merge.split()[:2]   ) for merge in merges]
     __a :  Any						=  dict(zip(snake_case_					,				range(len(snake_case_   )   )   )   )
     __a :  Tuple						=  {}
   @property
   def       lowerCAmelCase			(self :					Union[str, Any]   ):
    return len(self.decoder   )
   def       lowerCAmelCase			(self :					Dict   ):
    return dict(self.encoder					,				**self.added_tokens_encoder   )
   def       lowerCAmelCase			(self :					str					,				snake_case_ :					List[Any]   ):
    __a :  Optional[int]						=  tuple(token[:-1]   ) + (token[-1] + BPE_TOKEN_MERGES,)
    if token in self.cache:
     return self.cache[token]
    __a :  Union[str, Any]						=  get_pairs(snake_case_   )

    if not pairs:
     return token

    while True:
     __a :  List[Any]						=  min(snake_case_					,				key=lambda snake_case_   : self.bpe_ranks.get(snake_case_					,				float('''inf'''   )   )   )
     if bigram not in self.bpe_ranks:
      break
     __a				,       __a :  Tuple						=  bigram
     __a :  int						=  []
     __a :  Dict						=  0
     while i < len(snake_case_   ):
      try:
       __a :  Optional[Any]						=  word.index(snake_case_					,				snake_case_   )
      except ValueError:
       new_word.extend(word[i:]   )
       break
      else:
       new_word.extend(word[i:j]   )
       __a :  Tuple						=  j

      if word[i] == first and i < len(snake_case_   ) - 1 and word[i + 1] == second:
       new_word.append(first + second   )
       i += 2
      else:
       new_word.append(word[i]   )
       i += 1
     __a :  List[Any]						=  tuple(snake_case_   )
     __a :  Optional[Any]						=  new_word
     if len(snake_case_   ) == 1:
      break
     else:
      __a :  List[Any]						=  get_pairs(snake_case_   )
    __a :  str						=  ''' '''.join(snake_case_   )
    if word == "\n  " + BPE_TOKEN_MERGES:
     __a :  str						=  '''\n''' + BPE_TOKEN_MERGES

    if word.endswith(snake_case_   ):
     __a :  Tuple						=  word.replace(snake_case_					,				''''''   )

    __a :  str						=  word.replace(''' '''					,				snake_case_   )
    __a :  str						=  word
    return word
   def       lowerCAmelCase			(self :					Dict					,				snake_case_ :					Dict   ):

    if self.bpe_ranks is None:
     raise ValueError(
         '''This tokenizer was instantiated without a `merges.txt` file, so'''
         ''' that it can only be used for decoding, not for encoding.'''
         '''Make sure to provide `merges.txt` file at instantiation to enable '''
         '''encoding.'''   )

    if self.do_lower_case:
     __a :  int						=  text.lower()

    __a :  Any						=  text.split()

    __a :  Union[str, Any]						=  []
    for token in text:
     if token:
      split_tokens.extend(list(self.bpe(snake_case_   ).split(''' '''   )   )   )

    return split_tokens
   def       lowerCAmelCase			(self :					int					,				snake_case_ :					str   ):
    return self.encoder.get(snake_case_					,				self.encoder.get(self.unk_token   )   )
   def       lowerCAmelCase			(self :					Optional[Any]					,				snake_case_ :					int   ):
    __a :  List[Any]						=  self.decoder.get(snake_case_					,				self.unk_token   )
    return result
   def       lowerCAmelCase			(self :					List[str]					,				snake_case_ :					List[str]   ):
    __a :  Any						=  ''' '''.join(snake_case_   )

    # make sure @@ tokens are concatenated
    __a :  List[str]						=  ''''''.join(string.split(snake_case_   )   )

    return string







   def       lowerCAmelCase			(self :					Optional[Any]					,				snake_case_ :					str					,				snake_case_ :					Optional[str] = None   ):
    if not os.path.isdir(snake_case_   ):
     logger.error(f"Vocabulary path ({save_directory}) should be a directory"   )
     return
    __a :  str						=  os.path.join(
        snake_case_					,				(filename_prefix + '''-''' if filename_prefix else '''''') + VOCAB_FILES_NAMES['''vocab_file''']   )
    __a :  Dict						=  os.path.join(
        snake_case_					,				(filename_prefix + '''-''' if filename_prefix else '''''') + VOCAB_FILES_NAMES['''merges_file''']   )

    with open(snake_case_					,				'''w'''					,				encoding='''utf-8'''   ) as f:
     f.write(json.dumps(self.encoder					,				indent=2					,				sort_keys=snake_case_					,				ensure_ascii=snake_case_   ) + '''\n'''   )

    __a :  List[str]						=  0
    if self.bpe_ranks is None:
     return (vocab_file,)

    with open(snake_case_					,				'''w'''					,				encoding='''utf-8'''   ) as writer:
     for bpe_tokens, token_index in sorted(self.bpe_ranks.items()					,				key=lambda snake_case_   : kv[1]   ):
      if index != token_index:
       logger.warning(
           f"Saving vocabulary to {merges_file}: BPE merge indices are not consecutive."
           ''' Please check that the tokenizer is not corrupted!'''   )
       __a :  Optional[Any]						=  token_index
      writer.write(''' '''.join(snake_case_   ) + '''\n'''   )
      index += 1

    return (vocab_file, merges_file)


from __future__ import annotations

import math
import random
from typing import Any



class 		UpperCamelCase__  :
   def __init__(self :					Optional[Any]   ):
    __a :  list[Any]						=  []
    __a :  int						=  0
    __a :  int						=  0
   def       lowerCAmelCase			(self :					Optional[int]   ):
    return self.head == self.tail
   def       lowerCAmelCase			(self :					List[Any]					,				snake_case_ :					Any   ):
    self.data.append(snake_case_   )
    __a :  str						=  self.tail + 1
   def       lowerCAmelCase			(self :					Optional[int]   ):
    __a :  int						=  self.data[self.head]
    __a :  Union[str, Any]						=  self.head + 1
    return ret
   def       lowerCAmelCase			(self :					Union[str, Any]   ):
    return self.tail - self.head







   def       lowerCAmelCase			(self :					Union[str, Any]   ):
    print(self.data   )
    print('''**************'''   )
    print(self.data[self.head : self.tail]   )





class 		UpperCamelCase__  :
   def __init__(self :					List[str]					,				snake_case_ :					Any   ):
    __a :  List[str]						=  data
    __a :  MyNode | None						=  None
    __a :  MyNode | None						=  None
    __a :  int						=  1
   def       lowerCAmelCase			(self :					int   ):
    return self.data
   def       lowerCAmelCase			(self :					Dict   ):
    return self.left
   def       lowerCAmelCase			(self :					int   ):
    return self.right
   def       lowerCAmelCase			(self :					int   ):
    return self.height
   def       lowerCAmelCase			(self :					Optional[Any]					,				snake_case_ :					Any   ):
    __a :  Tuple						=  data
   def       lowerCAmelCase			(self :					Any					,				snake_case_ :					MyNode | None   ):
    __a :  Any						=  node
   def       lowerCAmelCase			(self :					Union[str, Any]					,				snake_case_ :					MyNode | None   ):
    __a :  List[str]						=  node







   def       lowerCAmelCase			(self :					Optional[int]					,				snake_case_ :					int   ):
    __a :  Union[str, Any]						=  height





def    __UpperCamelCase     (				lowerCAmelCase__							:				MyNode | None  ):
 if node is None:
  return 0
 return node.get_height()




def    __UpperCamelCase     (				lowerCAmelCase__							:				int  ,   lowerCAmelCase__							:				int  ):
 if a > b:
  return a
 return b




def    __UpperCamelCase     (				lowerCAmelCase__							:				MyNode  ):
 print('''left rotation node:'''  ,   node.get_data()  )
 __a :  str						=  node.get_left()
 assert ret is not None
 node.set_left(ret.get_right()  )
 ret.set_right(lowerCAmelCase__  )
 __a :  List[Any]						=  my_max(get_height(node.get_right()  )  ,   get_height(node.get_left()  )  ) + 1
 node.set_height(lowerCAmelCase__  )
 __a :  Union[str, Any]						=  my_max(get_height(ret.get_right()  )  ,   get_height(ret.get_left()  )  ) + 1
 ret.set_height(lowerCAmelCase__  )
 return ret




def    __UpperCamelCase     (				lowerCAmelCase__							:				MyNode  ):
 print('''right rotation node:'''  ,   node.get_data()  )
 __a :  List[Any]						=  node.get_right()
 assert ret is not None
 node.set_right(ret.get_left()  )
 ret.set_left(lowerCAmelCase__  )
 __a :  Union[str, Any]						=  my_max(get_height(node.get_right()  )  ,   get_height(node.get_left()  )  ) + 1
 node.set_height(lowerCAmelCase__  )
 __a :  List[str]						=  my_max(get_height(ret.get_right()  )  ,   get_height(ret.get_left()  )  ) + 1
 ret.set_height(lowerCAmelCase__  )
 return ret




def    __UpperCamelCase     (				lowerCAmelCase__							:				MyNode  ):
 __a :  Union[str, Any]						=  node.get_left()
 assert left_child is not None
 node.set_left(left_rotation(lowerCAmelCase__  )  )
 return right_rotation(lowerCAmelCase__  )




def    __UpperCamelCase     (				lowerCAmelCase__							:				MyNode  ):
 __a :  Optional[int]						=  node.get_right()
 assert right_child is not None
 node.set_right(right_rotation(lowerCAmelCase__  )  )
 return left_rotation(lowerCAmelCase__  )




def    __UpperCamelCase     (				lowerCAmelCase__							:				MyNode | None  ,   lowerCAmelCase__							:				Any  ):
 if node is None:
  return MyNode(lowerCAmelCase__  )
 if data < node.get_data():
  node.set_left(insert_node(node.get_left()  ,   lowerCAmelCase__  )  )
  if (
      get_height(node.get_left()  ) - get_height(node.get_right()  ) == 2
  ):  # an unbalance detected
   __a :  Tuple						=  node.get_left()
   assert left_child is not None
   if (
       data < left_child.get_data()
   ):  # new node is the left child of the left child
    __a :  str						=  right_rotation(lowerCAmelCase__  )
   else:
    __a :  Dict						=  lr_rotation(lowerCAmelCase__  )
 else:
  node.set_right(insert_node(node.get_right()  ,   lowerCAmelCase__  )  )
  if get_height(node.get_right()  ) - get_height(node.get_left()  ) == 2:
   __a :  Dict						=  node.get_right()
   assert right_child is not None
   if data < right_child.get_data():
    __a :  str						=  rl_rotation(lowerCAmelCase__  )
   else:
    __a :  Tuple						=  left_rotation(lowerCAmelCase__  )
 __a :  Any						=  my_max(get_height(node.get_right()  )  ,   get_height(node.get_left()  )  ) + 1
 node.set_height(lowerCAmelCase__  )
 return node




def    __UpperCamelCase     (				lowerCAmelCase__							:				MyNode  ):
 while True:
  __a :  Union[str, Any]						=  root.get_right()
  if right_child is None:
   break
  __a :  str						=  right_child
 return root.get_data()




def    __UpperCamelCase     (				lowerCAmelCase__							:				MyNode  ):
 while True:
  __a :  Optional[int]						=  root.get_left()
  if left_child is None:
   break
  __a :  int						=  left_child
 return root.get_data()




def    __UpperCamelCase     (				lowerCAmelCase__							:				MyNode  ,   lowerCAmelCase__							:				Any  ):
 __a :  Optional[Any]						=  root.get_left()
 __a :  List[str]						=  root.get_right()
 if root.get_data() == data:
  if left_child is not None and right_child is not None:
   __a :  str						=  get_left_most(lowerCAmelCase__  )
   root.set_data(lowerCAmelCase__  )
   root.set_right(del_node(lowerCAmelCase__  ,   lowerCAmelCase__  )  )
  elif left_child is not None:
   __a :  int						=  left_child
  elif right_child is not None:
   __a :  List[Any]						=  right_child
  else:
   return None
 elif root.get_data() > data:
  if left_child is None:
   print('''No such data'''  )
   return root
  else:
   root.set_left(del_node(lowerCAmelCase__  ,   lowerCAmelCase__  )  )
 else:  # root.get_data() < data
  if right_child is None:
   return root
  else:
   root.set_right(del_node(lowerCAmelCase__  ,   lowerCAmelCase__  )  )

 if get_height(lowerCAmelCase__  ) - get_height(lowerCAmelCase__  ) == 2:
  assert right_child is not None
  if get_height(right_child.get_right()  ) > get_height(right_child.get_left()  ):
   __a :  List[Any]						=  left_rotation(lowerCAmelCase__  )
  else:
   __a :  Union[str, Any]						=  rl_rotation(lowerCAmelCase__  )
 elif get_height(lowerCAmelCase__  ) - get_height(lowerCAmelCase__  ) == -2:
  assert left_child is not None
  if get_height(left_child.get_left()  ) > get_height(left_child.get_right()  ):
   __a :  int						=  right_rotation(lowerCAmelCase__  )
  else:
   __a :  Tuple						=  lr_rotation(lowerCAmelCase__  )
 __a :  str						=  my_max(get_height(root.get_right()  )  ,   get_height(root.get_left()  )  ) + 1
 root.set_height(lowerCAmelCase__  )
 return root



class 		UpperCamelCase__  :
   def __init__(self :					Optional[Any]   ):
    __a :  MyNode | None						=  None
   def       lowerCAmelCase			(self :					List[Any]   ):
    return get_height(self.root   )
   def       lowerCAmelCase			(self :					Any					,				snake_case_ :					Any   ):
    print('''insert:''' + str(snake_case_   )   )
    __a :  List[Any]						=  insert_node(self.root					,				snake_case_   )
   def       lowerCAmelCase			(self :					Dict					,				snake_case_ :					Any   ):
    print('''delete:''' + str(snake_case_   )   )
    if self.root is None:
     print('''Tree is empty!'''   )
     return
    __a :  Union[str, Any]						=  del_node(self.root					,				snake_case_   )







   def __str__(self :					List[str]					,				):  # a level traversale, gives a more intuitive look on the tree
    __a :  Union[str, Any]						=  ''''''
    __a :  int						=  MyQueue()
    q.push(self.root   )
    __a :  List[str]						=  self.get_height()
    if layer == 0:
     return output
    __a :  List[Any]						=  0
    while not q.is_empty():
     __a :  List[str]						=  q.pop()
     __a :  Optional[int]						=  ''' ''' * int(math.pow(2					,				layer - 1   )   )
     output += space
     if node is None:
      output += "*"
      q.push(snake_case_   )
      q.push(snake_case_   )
     else:
      output += str(node.get_data()   )
      q.push(node.get_left()   )
      q.push(node.get_right()   )
     output += space
     __a :  int						=  cnt + 1
     for i in range(1_0_0   ):
      if cnt == math.pow(2					,				snake_case_   ) - 1:
       __a :  str						=  layer - 1
       if layer == 0:
        output += "\n*************************************"
        return output
       output += "\n"
       break
    output += "\n*************************************"
    return output





def    __UpperCamelCase     (				):
 import doctest

 doctest.testmod()


if __name__ == "__main__":
      _test()
      lowercase__       =AVLtree()
      lowercase__       =list(range(10))
      random.shuffle(lst)
      for i in lst:
            t.insert(i)
            print(str(t))
      random.shuffle(lst)
      for i in lst:
            t.del_node(i)
            print(str(t))
