

"""simple docstring"""





import json
import os
from functools import lru_cache
from typing import TYPE_CHECKING, List, Optional, Tuple

import regex as re

from ...tokenization_utils import AddedToken, PreTrainedTokenizer
from ...utils import logging


if TYPE_CHECKING:
							from transformers.pipelines.conversational import Conversation

__UpperCamelCase						:   Optional[int]							   =	logging.get_logger(__name__)

__UpperCamelCase						:   int							   =	{
    '''vocab_file''': '''vocab.json''',
    '''merges_file''': '''merges.txt''',
}

__UpperCamelCase						:   Any							   =	{
    '''vocab_file''': {
        '''gpt2''': '''https://huggingface.co/gpt2/resolve/main/vocab.json''',
        '''gpt2-medium''': '''https://huggingface.co/gpt2-medium/resolve/main/vocab.json''',
        '''gpt2-large''': '''https://huggingface.co/gpt2-large/resolve/main/vocab.json''',
        '''gpt2-xl''': '''https://huggingface.co/gpt2-xl/resolve/main/vocab.json''',
        '''distilgpt2''': '''https://huggingface.co/distilgpt2/resolve/main/vocab.json''',
    },
    '''merges_file''': {
        '''gpt2''': '''https://huggingface.co/gpt2/resolve/main/merges.txt''',
        '''gpt2-medium''': '''https://huggingface.co/gpt2-medium/resolve/main/merges.txt''',
        '''gpt2-large''': '''https://huggingface.co/gpt2-large/resolve/main/merges.txt''',
        '''gpt2-xl''': '''https://huggingface.co/gpt2-xl/resolve/main/merges.txt''',
        '''distilgpt2''': '''https://huggingface.co/distilgpt2/resolve/main/merges.txt''',
    },
}

__UpperCamelCase						:   str							   =	{
    '''gpt2''': 1_0_2_4,
    '''gpt2-medium''': 1_0_2_4,
    '''gpt2-large''': 1_0_2_4,
    '''gpt2-xl''': 1_0_2_4,
    '''distilgpt2''': 1_0_2_4,
}

@lru_cache()
def 						__SCREAMING_SNAKE_CASE						(   ):
	lowerCAmelCase__			:		Dict						       =			(
	    list(range(ord('''!'''				)		,  ord('''~'''				) + 1				)				) + list(range(ord('''¡'''				)		,  ord('''¬'''				) + 1				)				) + list(range(ord('''®'''				)		,  ord('''ÿ'''				) + 1				)				)
	)
	lowerCAmelCase__			:		Union[str, Any]						       =			bs[:]
	lowerCAmelCase__			:		int						       =			0
	for b in range(2**8				):
		if b not in bs:
			bs.append(A_				)
			cs.append(2**8 + n				)
			n += 1
	lowerCAmelCase__			:		List[Any]						       =			[chr(A_				) for n in cs]
	return dict(zip(A_		,  A_				)				)

def 						__SCREAMING_SNAKE_CASE						(   A_				):
	lowerCAmelCase__			:		Any						       =			set()
	lowerCAmelCase__			:		List[Any]						       =			word[0]
	for char in word[1:]:
		pairs.add((prev_char, char)				)
		lowerCAmelCase__			:		Any						       =			char
	return pairs







class        SCREAMING_SNAKE_CASE      (	a_ ):






					"""simple docstring"""



					lowercase__       				= VOCAB_FILES_NAMES
					lowercase__       				= PRETRAINED_VOCAB_FILES_MAP
					lowercase__       				= PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
					lowercase__       				= ["input_ids", "attention_mask"]







					def __init__( self    :       Tuple     ,lowercase_    :       Union[str, Any]     ,lowercase_    :       Union[str, Any]     ,lowercase_    :       List[Any]="replace"     ,lowercase_    :       Optional[int]="<|endoftext|>"     ,lowercase_    :       Optional[int]="<|endoftext|>"     ,lowercase_    :       Optional[int]="<|endoftext|>"     ,lowercase_    :       Dict=None     ,lowercase_    :       List[Any]=False     ,lowercase_    :       int=False     ,**lowercase_    :       Union[str, Any]     ,):
						lowerCAmelCase__			:		str						       =			AddedToken(lowercase_     ,lstrip=lowercase_     ,rstrip=lowercase_	) if isinstance(lowercase_     ,lowercase_	) else bos_token
						lowerCAmelCase__			:		Optional[Any]						       =			AddedToken(lowercase_     ,lstrip=lowercase_     ,rstrip=lowercase_	) if isinstance(lowercase_     ,lowercase_	) else eos_token
						lowerCAmelCase__			:		Tuple						       =			AddedToken(lowercase_     ,lstrip=lowercase_     ,rstrip=lowercase_	) if isinstance(lowercase_     ,lowercase_	) else unk_token
						lowerCAmelCase__			:		Tuple						       =			AddedToken(lowercase_     ,lstrip=lowercase_     ,rstrip=lowercase_	) if isinstance(lowercase_     ,lowercase_	) else pad_token
						super().__init__(
						    errors=lowercase_     ,unk_token=lowercase_     ,bos_token=lowercase_     ,eos_token=lowercase_     ,pad_token=lowercase_     ,add_prefix_space=lowercase_     ,add_bos_token=lowercase_     ,**lowercase_     ,)
						lowerCAmelCase__			:		List[str]						       =			add_bos_token

						with open(lowercase_     ,encoding='''utf-8'''	) as vocab_handle:
							lowerCAmelCase__			:		Tuple						       =			json.load(lowercase_	)
						lowerCAmelCase__			:		int						       =			{v: k for k, v in self.encoder.items()}
						lowerCAmelCase__			:		List[Any]						       =			errors  # how to handle errors in decoding
						lowerCAmelCase__			:		Optional[int]						       =			bytes_to_unicode()
						lowerCAmelCase__			:		str						       =			{v: k for k, v in self.byte_encoder.items()}
						with open(lowercase_     ,encoding='''utf-8'''	) as merges_handle:
							lowerCAmelCase__			:		Optional[int]						       =			merges_handle.read().split('''\n'''	)[1:-1]
						lowerCAmelCase__			:		Union[str, Any]						       =			[tuple(merge.split()	) for merge in bpe_merges]
						lowerCAmelCase__			:		Union[str, Any]						       =			dict(zip(lowercase_     ,range(len(lowercase_	)	)	)	)
						lowerCAmelCase__			:		Union[str, Any]						       =			{}
						lowerCAmelCase__			:		Any						       =			add_prefix_space

						# Should have added re.IGNORECASE so BPE merges can happen for capitalized versions of contractions
						lowerCAmelCase__			:		int						       =			re.compile(R'''\'s|\'t|\'re|\'ve|\'m|\'ll|\'d| ?\p{L}+| ?\p{N}+| ?[^\s\p{L}\p{N}]+|\s+(?!\S)|\s+'''	)







					@property
					def  __lowerCAmelCase				( self    :       Optional[int]	):
						return len(self.encoder	)







					def  __lowerCAmelCase				( self    :       List[str]	):
						return dict(self.encoder     ,**self.added_tokens_encoder	)







					def  __lowerCAmelCase				( self    :       int     ,lowercase_    :       List[Any]	):
						if token in self.cache:
							return self.cache[token]
						lowerCAmelCase__			:		str						       =			tuple(lowercase_	)
						lowerCAmelCase__			:		Dict						       =			get_pairs(lowercase_	)

						if not pairs:
							return token

						while True:
							lowerCAmelCase__			:		Optional[Any]						       =			min(lowercase_     ,key=lambda lowercase_	: self.bpe_ranks.get(lowercase_     ,float('''inf'''	)	)	)
							if bigram not in self.bpe_ranks:
								break
							lowerCAmelCase__       ,lowerCAmelCase__			:		int						       =			bigram
							lowerCAmelCase__			:		List[str]						       =			[]
							lowerCAmelCase__			:		int						       =			0
							while i < len(lowercase_	):
								try:
									lowerCAmelCase__			:		Optional[Any]						       =			word.index(lowercase_     ,lowercase_	)
								except ValueError:
									new_word.extend(word[i:]	)
									break
								else:
									new_word.extend(word[i:j]	)
									lowerCAmelCase__			:		Optional[Any]						       =			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
							lowerCAmelCase__			:		str						       =			tuple(lowercase_	)
							lowerCAmelCase__			:		Optional[int]						       =			new_word
							if len(lowercase_	) == 1:
								break
							else:
								lowerCAmelCase__			:		Dict						       =			get_pairs(lowercase_	)
						lowerCAmelCase__			:		List[str]						       =			''' '''.join(lowercase_	)
						lowerCAmelCase__			:		List[str]						       =			word
						return word







					def  __lowerCAmelCase				( self    :       Union[str, Any]     ,lowercase_    :       Tuple     ,lowercase_    :       Union[str, Any]=None	):
						if self.add_bos_token:
							lowerCAmelCase__			:		Dict						       =			[self.bos_token_id]
						else:
							lowerCAmelCase__			:		Any						       =			[]

						lowerCAmelCase__			:		List[str]						       =			bos_token_ids + token_ids_a

						if token_ids_a is None:
							return output

						return output + bos_token_ids + token_ids_a







					def  __lowerCAmelCase				( self    :       Optional[int]     ,lowercase_    :       List[int]     ,lowercase_    :       Optional[List[int]] = None     ,lowercase_    :       bool = False	):
						if already_has_special_tokens:
							return super().get_special_tokens_mask(
							    token_ids_a=lowercase_     ,token_ids_a=lowercase_     ,already_has_special_tokens=lowercase_	)

						if not self.add_bos_token:
							return super().get_special_tokens_mask(
							    token_ids_a=lowercase_     ,token_ids_a=lowercase_     ,already_has_special_tokens=lowercase_	)

						if token_ids_a is None:
							return [1] + ([0] * len(lowercase_	))
						return [1] + ([0] * len(lowercase_	)) + [1] + ([0] * len(lowercase_	))







					def  __lowerCAmelCase				( self    :       List[str]     ,lowercase_    :       Union[str, Any]	):
						lowerCAmelCase__			:		int						       =			[]
						for token in re.findall(self.pat     ,lowercase_	):
							lowerCAmelCase__			:		Any						       =			''''''.join(
							    self.byte_encoder[b] for b in token.encode('''utf-8'''	)	)  # Maps all our bytes to unicode strings, avoiding control tokens of the BPE (spaces in our case)
							bpe_tokens.extend(bpe_token for bpe_token in self.bpe(lowercase_	).split(''' '''	)	)
						return bpe_tokens







					def  __lowerCAmelCase				( self    :       List[Any]     ,lowercase_    :       List[Any]	):
						return self.encoder.get(lowercase_     ,self.encoder.get(self.unk_token	)	)







					def  __lowerCAmelCase				( self    :       List[Any]     ,lowercase_    :       int	):
						return self.decoder.get(lowercase_	)







					def  __lowerCAmelCase				( self    :       Dict     ,lowercase_    :       Any	):
						lowerCAmelCase__			:		Optional[Any]						       =			''''''.join(lowercase_	)
						lowerCAmelCase__			:		str						       =			bytearray([self.byte_decoder[c] for c in text]	).decode('''utf-8'''     ,errors=self.errors	)
						return text







					def  __lowerCAmelCase				( self    :       List[Any]     ,lowercase_    :       str     ,lowercase_    :       Optional[str] = None	):
						if not os.path.isdir(lowercase_	):
							logger.error(F'Vocabulary path ({save_directory}) should be a directory'	)
							return
						lowerCAmelCase__			:		str						       =			os.path.join(
						    lowercase_     ,(filename_prefix + '''-''' if filename_prefix else '''''') + VOCAB_FILES_NAMES['''vocab_file''']	)
						lowerCAmelCase__			:		Optional[int]						       =			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'''	)

						lowerCAmelCase__			:		List[str]						       =			0
						with open(lowercase_     ,'''w'''     ,encoding='''utf-8'''	) as writer:
							writer.write('''#version: 0.2\n'''	)
							for bpe_tokens, token_index in sorted(self.bpe_ranks.items()     ,key=lambda lowercase_	: kv[1]	):
								if index != token_index:
									logger.warning(
									    F'Saving vocabulary to {merge_file}: BPE merge indices are not consecutive.'
									    ''' Please check that the tokenizer is not corrupted!'''	)
									lowerCAmelCase__			:		Optional[int]						       =			token_index
								writer.write(''' '''.join(lowercase_	) + '''\n'''	)
								index += 1

						return vocab_file, merge_file







					def  __lowerCAmelCase				( self    :       Tuple     ,lowercase_    :       Tuple     ,lowercase_    :       str=False     ,**lowercase_    :       Tuple	):
						lowerCAmelCase__			:		str						       =			kwargs.pop('''add_prefix_space'''     ,self.add_prefix_space	)
						if is_split_into_words or add_prefix_space:
							lowerCAmelCase__			:		Optional[Any]						       =			''' ''' + text
						return (text, kwargs)







					def  __lowerCAmelCase				( self    :       Union[str, Any]     ,lowercase_    :       "Conversation"	):
						lowerCAmelCase__			:		int						       =			[]
						for is_user, text in conversation.iter_texts():
							input_ids.extend(self.encode(lowercase_     ,add_special_tokens=lowercase_	) + [self.eos_token_id]	)
						if len(lowercase_	) > self.model_max_length:
							lowerCAmelCase__			:		Optional[int]						       =			input_ids[-self.model_max_length :]
						return input_ids







"""simple docstring"""





import random
import sys

__UpperCamelCase						:   Tuple							   =	'''ABCDEFGHIJKLMNOPQRSTUVWXYZ'''

def 						__SCREAMING_SNAKE_CASE						(   ):
	lowerCAmelCase__			:		List[str]						       =			input('''Enter message: '''				)
	lowerCAmelCase__			:		Optional[int]						       =			'''LFWOAYUISVKMNXPBDCRJTQEGHZ'''
	lowerCAmelCase__			:		List[Any]						       =			input('''Encrypt/Decrypt [e/d]: '''				)

	check_valid_key(A_				)

	if resp.lower().startswith('''e'''				):
		lowerCAmelCase__			:		Tuple						       =			'''encrypt'''
		lowerCAmelCase__			:		Union[str, Any]						       =			encrypt_message(A_		,  A_				)
	elif resp.lower().startswith('''d'''				):
		lowerCAmelCase__			:		Dict						       =			'''decrypt'''
		lowerCAmelCase__			:		str						       =			decrypt_message(A_		,  A_				)

	print(f'\n{mode.title()}ion: \n{translated}'				)

def 						__SCREAMING_SNAKE_CASE						(   A_				):
	lowerCAmelCase__			:		str						       =			list(A_				)
	lowerCAmelCase__			:		int						       =			list(A_				)
	key_list.sort()
	letters_list.sort()

	if key_list != letters_list:
		sys.exit('''Error in the key or symbol set.'''				)

def 						__SCREAMING_SNAKE_CASE						(   A_		,  A_				):
	return translate_message(A_		,  A_		,  '''encrypt'''				)

def 						__SCREAMING_SNAKE_CASE						(   A_		,  A_				):
	return translate_message(A_		,  A_		,  '''decrypt'''				)

def 						__SCREAMING_SNAKE_CASE						(   A_		,  A_		,  A_				):
	lowerCAmelCase__			:		str						       =			''''''
	lowerCAmelCase__			:		List[str]						       =			LETTERS
	lowerCAmelCase__			:		Optional[int]						       =			key

	if mode == "decrypt":
		lowerCAmelCase__       ,lowerCAmelCase__			:		int						       =			chars_b, chars_a

	for symbol in message:
		if symbol.upper() in chars_a:
			lowerCAmelCase__			:		int						       =			chars_a.find(symbol.upper()				)
			if symbol.isupper():
				translated += chars_b[sym_index].upper()
			else:
				translated += chars_b[sym_index].lower()
		else:
			translated += symbol

	return translated

def 						__SCREAMING_SNAKE_CASE						(   ):
	lowerCAmelCase__			:		Optional[int]						       =			list(A_				)
	random.shuffle(A_				)
	return "".join(A_				)


if __name__ == "__main__":
							main()




