






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

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


__UpperCAmelCase								=						logging.get_logger(__name__)


__UpperCAmelCase								=						{
    """vocab_file""": """vocab.json""",
    """tokenizer_config_file""": """tokenizer_config.json""",
    """merges_file""": """merges.txt""",
}

__UpperCAmelCase								=						{
    """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"""
        ),
    },
}

__UpperCAmelCase								=						"""</w>"""
__UpperCAmelCase								=						"""@@ """




def      lowercase__      (     __snake_case    :							List[str]  ):


					'''simple docstring'''


					UpperCAmelCase_    :      List[str]            =						set()
					UpperCAmelCase_    :      Optional[Any]            =						word[0]
					for char in word[1:]:
										pairs.add((prev_char, char)  )
										UpperCAmelCase_    :      int            =						char
					return pairs


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






class   lowerCamelCase      (UpperCAmelCase__			):







		'''simple docstring'''



		_snake_case    :    Any       						=  VOCAB_FILES_NAMES
		_snake_case    :    int       						=  PRETRAINED_VOCAB_FILES_MAP
		_snake_case    :    int       						=  PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
		_snake_case    :    List[Any]       						=  ["""input_ids""", """attention_mask"""]



		def __init__(							self				,		_UpperCamelCase				,		_UpperCamelCase="<s>"				,		_UpperCamelCase="<pad>"				,		_UpperCamelCase="</s>"				,		_UpperCamelCase="<unk>"				,		_UpperCamelCase=False				,		_UpperCamelCase=None				,		**_UpperCamelCase				,		)	->							List[str]:
							super().__init__(
							    unk_token=__lowercase				,		bos_token=__lowercase				,		eos_token=__lowercase				,		pad_token=__lowercase				,		do_lower_case=__lowercase				,		**__lowercase				,		)

							UpperCAmelCase_    :      Any            =						do_lower_case

							with open(__lowercase				,		encoding='utf-8'   ) as vocab_handle:
												UpperCAmelCase_    :      Tuple            =						json.load(__lowercase   )
							UpperCAmelCase_    :      Union[str, 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."   )

												UpperCAmelCase_    :      int            =						None
												UpperCAmelCase_    :      int            =						None
							else:
												with open(__lowercase				,		encoding='utf-8'   ) as merges_handle:
																	UpperCAmelCase_    :      List[str]            =						merges_handle.read().split('\n'   )[:-1]

												UpperCAmelCase_    :      List[Any]            =						[tuple(merge.split()[:2]   ) for merge in merges]
												UpperCAmelCase_    :      Any            =						dict(zip(__lowercase				,		range(len(__lowercase   )   )   )   )
												UpperCAmelCase_    :      Dict            =						{}



		@property
		def 					__UpperCAmelCase			(							self   )	->							int:
							return len(self.decoder   )



		def 					__UpperCAmelCase			(							self   )	->							Dict:
							return dict(self.encoder				,		**self.added_tokens_encoder   )



		def 					__UpperCAmelCase			(							self				,		_UpperCamelCase   )	->							str:
							UpperCAmelCase_    :      str            =						tuple(token[:-1]   ) + (token[-1] + BPE_TOKEN_MERGES,)
							if token in self.cache:
												return self.cache[token]
							UpperCAmelCase_    :      str            =						get_pairs(__lowercase   )

							if not pairs:
												return token

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

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

							if word.endswith(__lowercase   ):
												UpperCAmelCase_    :      Optional[int]            =						word.replace(__lowercase				,		''   )

							UpperCAmelCase_    :      Any            =						word.replace(' '				,		__lowercase   )
							UpperCAmelCase_    :      Optional[int]            =						word
							return word



		def 					__UpperCAmelCase			(							self				,		_UpperCamelCase   )	->							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:
												UpperCAmelCase_    :      str            =						text.lower()

							UpperCAmelCase_    :      List[str]            =						text.split()

							UpperCAmelCase_    :      int            =						[]
							for token in text:
												if token:
																	split_tokens.extend(list(self.bpe(__lowercase   ).split(' '   )   )   )

							return split_tokens



		def 					__UpperCAmelCase			(							self				,		_UpperCamelCase   )	->							int:
							return self.encoder.get(__lowercase				,		self.encoder.get(self.unk_token   )   )



		def 					__UpperCAmelCase			(							self				,		_UpperCamelCase   )	->							str:
							UpperCAmelCase_    :      Optional[Any]            =						self.decoder.get(__lowercase				,		self.unk_token   )
							return result



		def 					__UpperCAmelCase			(							self				,		_UpperCamelCase   )	->							str:
							UpperCAmelCase_    :      Any            =						''' '''.join(__lowercase   )

							# make sure @@ tokens are concatenated
							UpperCAmelCase_    :      List[Any]            =						''''''.join(string.split(__lowercase   )   )

							return string



		def 					__UpperCAmelCase			(							self				,		_UpperCamelCase				,		_UpperCamelCase = None   )	->							Tuple[str]:
							if not os.path.isdir(__lowercase   ):
												logger.error(f"Vocabulary path ({save_directory}) should be a directory"   )
												return
							UpperCAmelCase_    :      Union[str, Any]            =						os.path.join(
							    __lowercase				,		(filename_prefix + '-' if filename_prefix else '') + VOCAB_FILES_NAMES['vocab_file']   )
							UpperCAmelCase_    :      Optional[Any]            =						os.path.join(
							    __lowercase				,		(filename_prefix + '-' if filename_prefix else '') + VOCAB_FILES_NAMES['merges_file']   )

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

							UpperCAmelCase_    :      Tuple            =						0
							if self.bpe_ranks is None:
												return (vocab_file,)

							with open(__lowercase				,		'w'				,		encoding='utf-8'   ) as writer:
												for bpe_tokens, token_index in sorted(self.bpe_ranks.items()				,		key=lambda _UpperCamelCase   : 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!'   )
																						UpperCAmelCase_    :      List[str]            =						token_index
																	writer.write(' '.join(__lowercase   ) + '\n'   )
																	index += 1

							return (vocab_file, merges_file)










from __future__ import annotations

import math







class  snake_case__:







						'''simple docstring'''




						def __init__( self      ,  __lowercase							)    ->			None:
										lowerCAmelCase_       :					str			 = size
										# approximate the overall size of segment tree with given value
										lowerCAmelCase_       :					Dict			 = [0 for i in range(0      ,  4 * size							)]
										# create array to store lazy update
										lowerCAmelCase_       :					Dict			 = [0 for i in range(0      ,  4 * size							)]
										lowerCAmelCase_       :					Optional[int]			 = [0 for i in range(0      ,  4 * size							)]  # flag for lazy update




						def   lowercase_       ( self      ,  __lowercase							)    ->			int:
										return idx * 2




						def   lowercase_       ( self      ,  __lowercase							)    ->			int:
										return idx * 2 + 1




						def   lowercase_       ( self      ,  __lowercase      ,  __lowercase      ,  __lowercase      ,  __lowercase							)    ->			None:
										if left_element == right_element:
														lowerCAmelCase_       :					Tuple			 = a[left_element - 1]
										else:
														lowerCAmelCase_       :					int			 = (left_element + right_element) // 2
														self.build(self.left(__lowercase							)      ,  __lowercase      ,  __lowercase      ,  __lowercase							)
														self.build(self.right(__lowercase							)      ,  mid + 1      ,  __lowercase      ,  __lowercase							)
														lowerCAmelCase_       :					Any			 = max(
														    self.segment_tree[self.left(__lowercase							)]      ,  self.segment_tree[self.right(__lowercase							)]							)




						def   lowercase_       ( self      ,  __lowercase      ,  __lowercase      ,  __lowercase      ,  __lowercase      ,  __lowercase      ,  __lowercase							)    ->			bool:
										if self.flag[idx] is True:
														lowerCAmelCase_       :					Union[str, Any]			 = self.lazy[idx]
														lowerCAmelCase_       :					Union[str, Any]			 = False
														if left_element != right_element:
																		lowerCAmelCase_       :					Union[str, Any]			 = self.lazy[idx]
																		lowerCAmelCase_       :					Any			 = self.lazy[idx]
																		lowerCAmelCase_       :					List[str]			 = True
																		lowerCAmelCase_       :					Optional[Any]			 = True

										if right_element < a or left_element > b:
														return True
										if left_element >= a and right_element <= b:
														lowerCAmelCase_       :					Dict			 = val
														if left_element != right_element:
																		lowerCAmelCase_       :					Union[str, Any]			 = val
																		lowerCAmelCase_       :					List[Any]			 = val
																		lowerCAmelCase_       :					Optional[Any]			 = True
																		lowerCAmelCase_       :					List[str]			 = True
														return True
										lowerCAmelCase_       :					Optional[Any]			 = (left_element + right_element) // 2
										self.update(self.left(__lowercase							)      ,  __lowercase      ,  __lowercase      ,  __lowercase      ,  __lowercase      ,  __lowercase							)
										self.update(self.right(__lowercase							)      ,  mid + 1      ,  __lowercase      ,  __lowercase      ,  __lowercase      ,  __lowercase							)
										lowerCAmelCase_       :					int			 = max(
										    self.segment_tree[self.left(__lowercase							)]      ,  self.segment_tree[self.right(__lowercase							)]							)
										return True




						def   lowercase_       ( self      ,  __lowercase      ,  __lowercase      ,  __lowercase      ,  __lowercase      ,  __lowercase							)    ->			int | float:
										if self.flag[idx] is True:
														lowerCAmelCase_       :					Union[str, Any]			 = self.lazy[idx]
														lowerCAmelCase_       :					Optional[Any]			 = False
														if left_element != right_element:
																		lowerCAmelCase_       :					List[Any]			 = self.lazy[idx]
																		lowerCAmelCase_       :					Dict			 = self.lazy[idx]
																		lowerCAmelCase_       :					Optional[int]			 = True
																		lowerCAmelCase_       :					Optional[int]			 = True
										if right_element < a or left_element > b:
														return -math.inf
										if left_element >= a and right_element <= b:
														return self.segment_tree[idx]
										lowerCAmelCase_       :					List[Any]			 = (left_element + right_element) // 2
										lowerCAmelCase_       :					Tuple			 = self.query(self.left(__lowercase							)      ,  __lowercase      ,  __lowercase      ,  __lowercase      ,  __lowercase							)
										lowerCAmelCase_       :					List[Any]			 = self.query(self.right(__lowercase							)      ,  mid + 1      ,  __lowercase      ,  __lowercase      ,  __lowercase							)
										return max(__lowercase      ,  __lowercase							)




						def __str__( self							)    ->			str:
										return str([self.query(1      ,  1      ,  self.size      ,  __lowercase      ,  __lowercase							) for i in range(1      ,  self.size + 1							)]							)


if __name__ == "__main__":
						_UpperCAmelCase	:     str   =[1, 2, -4, 7, 3, -5, 6, 11, -20, 9, 14, 15, 5, 2, -8]
						_UpperCAmelCase	:     List[str]   =15
						_UpperCAmelCase	:     Any   =SegmentTree(size)
						segt.build(1, 1, size, A)
						print(segt.query(1, 1, size, 4, 6))
						print(segt.query(1, 1, size, 7, 11))
						print(segt.query(1, 1, size, 7, 12))
						segt.update(1, 1, size, 1, 3, 111)
						print(segt.query(1, 1, size, 1, 15))
						segt.update(1, 1, size, 7, 8, 235)
						print(segt)