




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      _a				(						SCREAMING_SNAKE_CASE_							:    Dict					):
					__lowerCAmelCase           =	set()
					__lowerCAmelCase           =	word[0]
					for char in word[1:]:
										pairs.add((prev_char, char)					)
										__lowerCAmelCase           =	char
					return pairs


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


class       a__   ( snake_case__				):
						_a							:   Optional[Any] =   VOCAB_FILES_NAMES
						_a							:   int =   PRETRAINED_VOCAB_FILES_MAP
						_a							:   List[Any] =   PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
						_a							:   Union[str, Any] =   ["""input_ids""", """attention_mask"""]






						def __init__(       self		,      _A		,      _A="<s>"		,      _A="<pad>"		,      _A="</s>"		,      _A="<unk>"		,      _A=False		,      _A=None		,      **_A		,      ):




											"""simple docstring"""



											super().__init__(
											    unk_token=_A		,      bos_token=_A		,      eos_token=_A		,      pad_token=_A		,      do_lower_case=_A		,      **_A		,      )

											__lowerCAmelCase           =	do_lower_case

											with open(_A		,      encoding="utf-8"      ) as vocab_handle:
																__lowerCAmelCase           =	json.load(_A      )
											__lowerCAmelCase           =	{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."""      )

																__lowerCAmelCase           =	None
																__lowerCAmelCase           =	None
											else:
																with open(_A		,      encoding="utf-8"      ) as merges_handle:
																					__lowerCAmelCase           =	merges_handle.read().split("\n"      )[:-1]

																__lowerCAmelCase           =	[tuple(merge.split()[:2]      ) for merge in merges]
																__lowerCAmelCase           =	dict(zip(_A		,      range(len(_A      )      )      )      )
																__lowerCAmelCase           =	{}






						@property
						def     __SCREAMING_SNAKE_CASE(       self      ):




											"""simple docstring"""



											return len(self.decoder      )






						def     __SCREAMING_SNAKE_CASE(       self      ):




											"""simple docstring"""



											return dict(self.encoder		,      **self.added_tokens_encoder      )






						def     __SCREAMING_SNAKE_CASE(       self		,      _A      ):




											"""simple docstring"""



											__lowerCAmelCase           =	tuple(token[:-1]      ) + (token[-1] + BPE_TOKEN_MERGES,)
											if token in self.cache:
																return self.cache[token]
											__lowerCAmelCase           =	get_pairs(_A      )

											if not pairs:
																return token

											while True:
																__lowerCAmelCase           =	min(_A		,      key=lambda _A      : self.bpe_ranks.get(_A		,      float("inf"      )      )      )
																if bigram not in self.bpe_ranks:
																					break
																__lowerCAmelCase       ,							__lowerCAmelCase           =	bigram
																__lowerCAmelCase           =	[]
																__lowerCAmelCase           =	0
																while i < len(_A      ):
																					try:
																										__lowerCAmelCase           =	word.index(_A		,      _A      )
																					except ValueError:
																										new_word.extend(word[i:]      )
																										break
																					else:
																										new_word.extend(word[i:j]      )
																										__lowerCAmelCase           =	j

																					if word[i] == first and i < len(_A      ) - 1 and word[i + 1] == second:
																										new_word.append(first + second      )
																										i += 2
																					else:
																										new_word.append(word[i]      )
																										i += 1
																__lowerCAmelCase           =	tuple(_A      )
																__lowerCAmelCase           =	new_word
																if len(_A      ) == 1:
																					break
																else:
																					__lowerCAmelCase           =	get_pairs(_A      )
											__lowerCAmelCase           =	" ".join(_A      )
											if word == "\n  " + BPE_TOKEN_MERGES:
																__lowerCAmelCase           =	"\n" + BPE_TOKEN_MERGES

											if word.endswith(_A      ):
																__lowerCAmelCase           =	word.replace(_A		,      ""      )

											__lowerCAmelCase           =	word.replace(" "		,      _A      )
											__lowerCAmelCase           =	word
											return word






						def     __SCREAMING_SNAKE_CASE(       self		,      _A      ):




											"""simple docstring"""



											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:
																__lowerCAmelCase           =	text.lower()

											__lowerCAmelCase           =	text.split()

											__lowerCAmelCase           =	[]
											for token in text:
																if token:
																					split_tokens.extend(list(self.bpe(_A      ).split(" "      )      )      )

											return split_tokens






						def     __SCREAMING_SNAKE_CASE(       self		,      _A      ):




											"""simple docstring"""



											return self.encoder.get(_A		,      self.encoder.get(self.unk_token      )      )






						def     __SCREAMING_SNAKE_CASE(       self		,      _A      ):




											"""simple docstring"""



											__lowerCAmelCase           =	self.decoder.get(_A		,      self.unk_token      )
											return result






						def     __SCREAMING_SNAKE_CASE(       self		,      _A      ):




											"""simple docstring"""



											__lowerCAmelCase           =	" ".join(_A      )

											# make sure @@ tokens are concatenated
											__lowerCAmelCase           =	"".join(string.split(_A      )      )

											return string






						def     __SCREAMING_SNAKE_CASE(       self		,      _A		,      _A = None      ):




											"""simple docstring"""



											if not os.path.isdir(_A      ):
																logger.error(f"""Vocabulary path ({save_directory}) should be a directory"""      )
																return
											__lowerCAmelCase           =	os.path.join(
											    _A		,      (filename_prefix + "-" if filename_prefix else "") + VOCAB_FILES_NAMES["vocab_file"]      )
											__lowerCAmelCase           =	os.path.join(
											    _A		,      (filename_prefix + "-" if filename_prefix else "") + VOCAB_FILES_NAMES["merges_file"]      )

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

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

											with open(_A		,      "w"		,      encoding="utf-8"      ) as writer:
																for bpe_tokens, token_index in sorted(self.bpe_ranks.items()		,      key=lambda _A      : 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!"      )
																										__lowerCAmelCase           =	token_index
																					writer.write(" ".join(_A      ) + "\n"      )
																					index += 1

											return (vocab_file, merges_file)










import enum
import shutil
import sys


UpperCamelCase__      ,     UpperCamelCase__         =      shutil.get_terminal_size()

UpperCamelCase__         =      {"""UP""": """A""", """DOWN""": """B""", """RIGHT""": """C""", """LEFT""": """D"""}
class       a__   ( enum.Enum				):
						_a							:   Any =   0
						_a							:   Dict =   1







def      _a				(						SCREAMING_SNAKE_CASE_							:    Tuple				,				SCREAMING_SNAKE_CASE_							:    Dict=""					):
					sys.stdout.write(str(SCREAMING_SNAKE_CASE_					) + end					)
					sys.stdout.flush()







def      _a				(						SCREAMING_SNAKE_CASE_							:    Any				,				SCREAMING_SNAKE_CASE_							:    Union[str, Any]				,				SCREAMING_SNAKE_CASE_							:    str=""					):
					forceWrite(F"""\u001b[{color}m{content}\u001b[0m"""				,				SCREAMING_SNAKE_CASE_					)







def      _a				(						):
					forceWrite("\r"					)







def      _a				(						SCREAMING_SNAKE_CASE_							:    int				,				SCREAMING_SNAKE_CASE_							:    str					):
					forceWrite(F"""\033[{num_lines}{CURSOR_TO_CHAR[direction.upper()]}"""					)







def      _a				(						):
					forceWrite(" " * TERMINAL_WIDTH					)
					reset_cursor()







def      _a				(						):
					reset_cursor()
					forceWrite("-" * TERMINAL_WIDTH					)




