



"""simple docstring"""


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

import regex as re

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


snake_case_								=			logging.get_logger(__name__)


snake_case_								=			{"""vocab_file""": """vocab.json""", """merges_file""": """merges.txt"""}

# See all MVP models at https://huggingface.co/models?filter=mvp
snake_case_								=			{
    """vocab_file""": {
        """RUCAIBox/mvp""": """https://huggingface.co/RUCAIBox/mvp/resolve/main/vocab.json""",
    },
    """added_tokens.json""": {
        """RUCAIBox/mvp""": """https://huggingface.co/RUCAIBox/mvp/resolve/main/added_tokens.json""",
    },
    """merges_file""": {
        """RUCAIBox/mvp""": """https://huggingface.co/RUCAIBox/mvp/resolve/main/merges.txt""",
    },
}

snake_case_								=			{
    """RUCAIBox/mvp""": 1024,
}

@lru_cache()
def 					_lowerCAmelCase (  ):
						UpperCAmelCase			 =					(
						    list(range(ord('!'		)						,      ord('~'		) + 1		)		) + list(range(ord('¡'		)						,      ord('¬'		) + 1		)		) + list(range(ord('®'		)						,      ord('ÿ'		) + 1		)		)
						)
						UpperCAmelCase			 =					bs[:]
						UpperCAmelCase			 =					0
						for b in range(2**8		):
												if b not in bs:
																		bs.append(lowercase_		)
																		cs.append(2**8 + n		)
																		n += 1
						UpperCAmelCase			 =					[chr(lowercase_		) for n in cs]
						return dict(zip(lowercase_						,      lowercase_		)		)

def 					_lowerCAmelCase (  lowercase_		):
						UpperCAmelCase			 =					set()
						UpperCAmelCase			 =					word[0]
						for char in word[1:]:
												pairs.add((prev_char, char)		)
												UpperCAmelCase			 =					char
						return pairs







class  A_     (	SCREAMING_SNAKE_CASE_							):



						"""simple docstring"""
						__UpperCamelCase													=				VOCAB_FILES_NAMES
						__UpperCamelCase													=				PRETRAINED_VOCAB_FILES_MAP
						__UpperCamelCase													=				PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
						__UpperCamelCase													=				["""input_ids""", """attention_mask"""]






						def __init__(   self					:Optional[int]  ,    lowercase_					:int  ,    lowercase_					:str  ,    lowercase_					:Tuple="replace"  ,    lowercase_					:Tuple="<s>"  ,    lowercase_					:Dict="</s>"  ,    lowercase_					:Any="</s>"  ,    lowercase_					:Tuple="<s>"  ,    lowercase_					:List[Any]="<unk>"  ,    lowercase_					:List[str]="<pad>"  ,    lowercase_					:Optional[Any]="<mask>"  ,    lowercase_					:int=False  ,    **lowercase_					:Union[str, Any]  ,    )							->     Any:
												UpperCAmelCase			 =					AddedToken(lowercase_  ,    lstrip=lowercase_  ,    rstrip=lowercase_   ) if isinstance(lowercase_  ,    lowercase_   ) else bos_token
												UpperCAmelCase			 =					AddedToken(lowercase_  ,    lstrip=lowercase_  ,    rstrip=lowercase_   ) if isinstance(lowercase_  ,    lowercase_   ) else eos_token
												UpperCAmelCase			 =					AddedToken(lowercase_  ,    lstrip=lowercase_  ,    rstrip=lowercase_   ) if isinstance(lowercase_  ,    lowercase_   ) else sep_token
												UpperCAmelCase			 =					AddedToken(lowercase_  ,    lstrip=lowercase_  ,    rstrip=lowercase_   ) if isinstance(lowercase_  ,    lowercase_   ) else cls_token
												UpperCAmelCase			 =					AddedToken(lowercase_  ,    lstrip=lowercase_  ,    rstrip=lowercase_   ) if isinstance(lowercase_  ,    lowercase_   ) else unk_token
												UpperCAmelCase			 =					AddedToken(lowercase_  ,    lstrip=lowercase_  ,    rstrip=lowercase_   ) if isinstance(lowercase_  ,    lowercase_   ) else pad_token

												# Mask token behave like a normal word, i.e. include the space before it
												UpperCAmelCase			 =					AddedToken(lowercase_  ,    lstrip=lowercase_  ,    rstrip=lowercase_   ) if isinstance(lowercase_  ,    lowercase_   ) else mask_token

												super().__init__(
												    errors=lowercase_  ,    bos_token=lowercase_  ,    eos_token=lowercase_  ,    unk_token=lowercase_  ,    sep_token=lowercase_  ,    cls_token=lowercase_  ,    pad_token=lowercase_  ,    mask_token=lowercase_  ,    add_prefix_space=lowercase_  ,    **lowercase_  ,    )
												with open(lowercase_  ,    encoding='utf-8'   ) as vocab_handle:
																		UpperCAmelCase			 =					json.load(lowercase_   )
												UpperCAmelCase			 =					{v: k for k, v in self.encoder.items()}
												UpperCAmelCase			 =					errors  # how to handle errors in decoding
												UpperCAmelCase			 =					bytes_to_unicode()
												UpperCAmelCase			 =					{v: k for k, v in self.byte_encoder.items()}
												with open(lowercase_  ,    encoding='utf-8'   ) as merges_handle:
																		UpperCAmelCase			 =					merges_handle.read().split('\n'   )[1:-1]
												UpperCAmelCase			 =					[tuple(merge.split()   ) for merge in bpe_merges]
												UpperCAmelCase			 =					dict(zip(lowercase_  ,    range(len(lowercase_   )   )   )   )
												UpperCAmelCase			 =					{}
												UpperCAmelCase			 =					add_prefix_space

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






						@property
						def       UpperCAmelCase__	(   self					:List[str]   )							->     Any:
												return len(self.encoder   )






						def       UpperCAmelCase__	(   self					:List[str]   )							->     Dict:
												return dict(self.encoder  ,    **self.added_tokens_encoder   )






						def       UpperCAmelCase__	(   self					:Optional[int]  ,    lowercase_					:Optional[Any]   )							->     List[str]:
												if token in self.cache:
																		return self.cache[token]
												UpperCAmelCase			 =					tuple(lowercase_   )
												UpperCAmelCase			 =					get_pairs(lowercase_   )

												if not pairs:
																		return token

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






						def       UpperCAmelCase__	(   self					:List[Any]  ,    lowercase_					:Optional[int]   )							->     Optional[int]:
												UpperCAmelCase			 =					[]
												for token in re.findall(self.pat  ,    lowercase_   ):
																		UpperCAmelCase			 =					''.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       UpperCAmelCase__	(   self					:List[Any]  ,    lowercase_					:List[Any]   )							->     Any:
												return self.encoder.get(lowercase_  ,    self.encoder.get(self.unk_token   )   )






						def       UpperCAmelCase__	(   self					:str  ,    lowercase_					:int   )							->     Dict:
												return self.decoder.get(lowercase_   )






						def       UpperCAmelCase__	(   self					:List[str]  ,    lowercase_					:Any   )							->     Union[str, Any]:
												UpperCAmelCase			 =					''.join(lowercase_   )
												UpperCAmelCase			 =					bytearray([self.byte_decoder[c] for c in text]   ).decode('utf-8'  ,    errors=self.errors   )
												return text






						def       UpperCAmelCase__	(   self					:Union[str, Any]  ,    lowercase_					:str  ,    lowercase_					:Optional[str] = None   )							->     Tuple[str]:
												if not os.path.isdir(lowercase_   ):
																		logger.error(f"""Vocabulary path ({save_directory}) should be a directory"""   )
																		return
												UpperCAmelCase			 =					os.path.join(
												    lowercase_  ,    (filename_prefix + '-' if filename_prefix else '') + VOCAB_FILES_NAMES['vocab_file']   )
												UpperCAmelCase			 =					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			 =					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!'   )
																														UpperCAmelCase			 =					token_index
																								writer.write(' '.join(lowercase_   ) + '\n'   )
																								index += 1

												return vocab_file, merge_file






						def       UpperCAmelCase__	(   self					:Tuple  ,    lowercase_					:List[int]  ,    lowercase_					:Optional[List[int]] = None   )							->     List[int]:
												if token_ids_a is None:
																		return [self.cls_token_id] + token_ids_a + [self.sep_token_id]
												UpperCAmelCase			 =					[self.cls_token_id]
												UpperCAmelCase			 =					[self.sep_token_id]
												return cls + token_ids_a + sep + sep + token_ids_a + sep






						def       UpperCAmelCase__	(   self					:Optional[int]  ,    lowercase_					:List[int]  ,    lowercase_					:Optional[List[int]] = None  ,    lowercase_					:bool = False   )							->     List[int]:
												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 token_ids_a is None:
																		return [1] + ([0] * len(lowercase_   )) + [1]
												return [1] + ([0] * len(lowercase_   )) + [1, 1] + ([0] * len(lowercase_   )) + [1]






						def       UpperCAmelCase__	(   self					:Tuple  ,    lowercase_					:List[int]  ,    lowercase_					:Optional[List[int]] = None   )							->     List[int]:
												UpperCAmelCase			 =					[self.sep_token_id]
												UpperCAmelCase			 =					[self.cls_token_id]

												if token_ids_a is None:
																		return len(cls + token_ids_a + sep   ) * [0]
												return len(cls + token_ids_a + sep + sep + token_ids_a + sep   ) * [0]






						def       UpperCAmelCase__	(   self					:List[str]  ,    lowercase_					:Tuple  ,    lowercase_					:int=False  ,    **lowercase_					:List[Any]   )							->     Optional[int]:
												UpperCAmelCase			 =					kwargs.pop('add_prefix_space'  ,    self.add_prefix_space   )
												if (is_split_into_words or add_prefix_space) and (len(lowercase_   ) > 0 and not text[0].isspace()):
																		UpperCAmelCase			 =					' ' + text
												return (text, kwargs)









'''simple docstring'''




import math
import sys





class _snake_case :
							"""simple docstring"""





							def __init__( self						)  ->int:



											"""simple docstring"""







											__lowerCamelCase		:   int           =       0
											__lowerCamelCase		:   str           =       []
											__lowerCamelCase		:   int           =       {}  # To store the pos of node in array







							def 		__SCREAMING_SNAKE_CASE( self						)  ->Union[str, Any]:



											"""simple docstring"""







											return self.cur_size == 0







							def 		__SCREAMING_SNAKE_CASE( self      ,					__A						)  ->Union[str, Any]:



											"""simple docstring"""







											__lowerCamelCase		:   Any           =       self.left(__A						)
											__lowerCamelCase		:   Any           =       self.right(__A						)
											if lc < self.cur_size and self.array(__A						)[0] < self.array(__A						)[0]:
															__lowerCamelCase		:   Dict           =       lc
											else:
															__lowerCamelCase		:   List[Any]           =       idx
											if rc < self.cur_size and self.array(__A						)[0] < self.array(__A						)[0]:
															__lowerCamelCase		:   List[str]           =       rc
											if smallest != idx:
															self.swap(__A      ,					__A						)
															self.min_heapify(__A						)







							def 		__SCREAMING_SNAKE_CASE( self      ,					__A						)  ->str:



											"""simple docstring"""







											__lowerCamelCase		:   Optional[Any]           =       self.cur_size
											self.cur_size += 1
											self.array.append((sys.maxsize, tup[1])						)
											self.decrease_key((sys.maxsize, tup[1])      ,					tup[0]						)







							def 		__SCREAMING_SNAKE_CASE( self						)  ->int:



											"""simple docstring"""







											__lowerCamelCase		:   Tuple           =       self.array[0][1]
											__lowerCamelCase		:   str           =       self.array[self.cur_size - 1]
											self.cur_size -= 1
											self.min_heapify(1						)
											del self.pos[min_node]
											return min_node







							def 		__SCREAMING_SNAKE_CASE( self      ,					__A						)  ->int:



											"""simple docstring"""







											return 2 * i + 1







							def 		__SCREAMING_SNAKE_CASE( self      ,					__A						)  ->Optional[Any]:



											"""simple docstring"""







											return 2 * i + 2







							def 		__SCREAMING_SNAKE_CASE( self      ,					__A						)  ->Tuple:



											"""simple docstring"""







											return math.floor(i / 2						)







							def 		__SCREAMING_SNAKE_CASE( self      ,					__A      ,					__A						)  ->List[Any]:



											"""simple docstring"""







											__lowerCamelCase		:   Union[str, Any]           =       j
											__lowerCamelCase		:   str           =       i
											__lowerCamelCase		:   Dict           =       self.array[i]
											__lowerCamelCase		:   Union[str, Any]           =       self.array[j]
											__lowerCamelCase		:   str           =       temp







							def 		__SCREAMING_SNAKE_CASE( self      ,					__A      ,					__A						)  ->Optional[Any]:



											"""simple docstring"""







											__lowerCamelCase		:   str           =       self.pos[tup[1]]
											# assuming the new_d is atmost old_d
											__lowerCamelCase		:   Union[str, Any]           =       (new_d, tup[1])
											while idx > 0 and self.array[self.par(__A						)][0] > self.array[idx][0]:
															self.swap(__A      ,					self.par(__A						)						)
															__lowerCamelCase		:   List[Any]           =       self.par(__A						)





class _snake_case :
							"""simple docstring"""





							def __init__( self      ,					__A						)  ->Any:



											"""simple docstring"""







											__lowerCamelCase		:   Dict           =       {}  # To store graph: u -> (v,w)
											__lowerCamelCase		:   Optional[Any]           =       num  # Number of nodes in graph
											# To store the distance from source vertex
											__lowerCamelCase		:   Dict           =       [0] * self.num_nodes
											__lowerCamelCase		:   List[str]           =       [-1] * self.num_nodes  # To store the path







							def 		__SCREAMING_SNAKE_CASE( self      ,					__A      ,					__A      ,					__A						)  ->Optional[Any]:



											"""simple docstring"""







											if u in self.adjList:
															self.adjList[u].append((v, w)						)
											else:
															__lowerCamelCase		:   Dict           =       [(v, w)]

											# Assuming undirected graph
											if v in self.adjList:
															self.adjList[v].append((u, w)						)
											else:
															__lowerCamelCase		:   List[Any]           =       [(u, w)]







							def 		__SCREAMING_SNAKE_CASE( self						)  ->Tuple:



											"""simple docstring"""







											for u in self.adjList:
															print(__A      ,					"->"      ,					" -> ".join(str(f'{v}({w})'						) for v, w in self.adjList[u]						)						)







							def 		__SCREAMING_SNAKE_CASE( self      ,					__A						)  ->int:



											"""simple docstring"""







											__lowerCamelCase		:   List[str]           =       [-1] * self.num_nodes
											# src is the source node
											__lowerCamelCase		:   str           =       0
											__lowerCamelCase		:   int           =       PriorityQueue()
											q.insert((0, src)						)  # (dist from src, node)
											for u in self.adjList:
															if u != src:
																			__lowerCamelCase		:   List[Any]           =       sys.maxsize  # Infinity
																			__lowerCamelCase		:   Dict           =       -1

											while not q.is_empty():
															__lowerCamelCase		:   int           =       q.extract_min()  # Returns node with the min dist from source
															# Update the distance of all the neighbours of u and
															# if their prev dist was INFINITY then push them in Q
															for v, w in self.adjList[u]:
																			__lowerCamelCase		:   str           =       self.dist[u] + w
																			if self.dist[v] > new_dist:
																							if self.dist[v] == sys.maxsize:
																											q.insert((new_dist, v)						)
																							else:
																											q.decrease_key((self.dist[v], v)      ,					__A						)
																							__lowerCamelCase		:   str           =       new_dist
																							__lowerCamelCase		:   Tuple           =       u

        # Show the shortest distances from src
											self.show_distances(__A						)







							def 		__SCREAMING_SNAKE_CASE( self      ,					__A						)  ->int:



											"""simple docstring"""







											print(f'Distance from node: {src}'						)
											for u in range(self.num_nodes						):
															print(f'Node {u} has distance: {self.dist[u]}'						)







							def 		__SCREAMING_SNAKE_CASE( self      ,					__A      ,					__A						)  ->Optional[int]:



											"""simple docstring"""







											__lowerCamelCase		:   List[Any]           =       []
											__lowerCamelCase		:   Tuple           =       0
											__lowerCamelCase		:   List[str]           =       dest
											# Backtracking from dest to src
											while self.par[temp] != -1:
															path.append(__A						)
															if temp != src:
																			for v, w in self.adjList[temp]:
																							if v == self.par[temp]:
																											cost += w
																											break
															__lowerCamelCase		:   int           =       self.par[temp]
											path.append(__A						)
											path.reverse()

											print(f'----Path to reach {dest} from {src}----'						)
											for u in path:
															print(f'{u}'      ,					end=" "						)
															if u != dest:
																			print("-> "      ,					end=""						)

											print("\nTotal cost of path: "      ,					__A						)


if __name__ == "__main__":
				__lowercase	:   Optional[Any]   		=					Graph(9)
				graph.add_edge(0, 1, 4)
				graph.add_edge(0, 7, 8)
				graph.add_edge(1, 2, 8)
				graph.add_edge(1, 7, 11)
				graph.add_edge(2, 3, 7)
				graph.add_edge(2, 8, 2)
				graph.add_edge(2, 5, 4)
				graph.add_edge(3, 4, 9)
				graph.add_edge(3, 5, 14)
				graph.add_edge(4, 5, 10)
				graph.add_edge(5, 6, 2)
				graph.add_edge(6, 7, 1)
				graph.add_edge(6, 8, 6)
				graph.add_edge(7, 8, 7)
				graph.show_graph()
				graph.dijkstra(0)
				graph.show_path(0, 4)

# OUTPUT
# 0 -> 1(4) -> 7(8)
# 1 -> 0(4) -> 2(8) -> 7(11)
# 7 -> 0(8) -> 1(11) -> 6(1) -> 8(7)
# 2 -> 1(8) -> 3(7) -> 8(2) -> 5(4)
# 3 -> 2(7) -> 4(9) -> 5(14)
# 8 -> 2(2) -> 6(6) -> 7(7)
# 5 -> 2(4) -> 3(14) -> 4(10) -> 6(2)
# 4 -> 3(9) -> 5(10)
# 6 -> 5(2) -> 7(1) -> 8(6)
# Distance from node: 0
# Node 0 has distance: 0
# Node 1 has distance: 4
# Node 2 has distance: 12
# Node 3 has distance: 19
# Node 4 has distance: 21
# Node 5 has distance: 11
# Node 6 has distance: 9
# Node 7 has distance: 8
# Node 8 has distance: 14
# ----Path to reach 4 from 0----
# 0 -> 7 -> 6 -> 5 -> 4
# Total cost of path:  21





