

'''simple docstring'''






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

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


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

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

UpperCamelCase__:       Union[str, Any]							     =      {
    "vocab_file": {
        "microsoft/biogpt": "https://huggingface.co/microsoft/biogpt/resolve/main/vocab.json",
    },
    "merges_file": {"microsoft/biogpt": "https://huggingface.co/microsoft/biogpt/resolve/main/merges.txt"},
}

UpperCamelCase__:       List[Any]							     =      {
    "microsoft/biogpt": 1024,
}


def 			snake_case_					( _lowerCAmelCase  :						Union[str, Any]  )				->       Tuple:
							UpperCAmelCase			:	Optional[Any]										=		set()
							UpperCAmelCase			:	int										=		word[0]
							for char in word[1:]:
														pairs.add((prev_char, char)  )
														UpperCAmelCase			:	Union[str, Any]										=		char
							return pairs




class     SCREAMING_SNAKE_CASE(							A__      ):







	"""simple docstring"""






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







	def __init__(						self      :					List[str]		,      __snake_case      :					Optional[Any]		,      __snake_case      :					int		,      __snake_case      :					Union[str, Any]="<unk>"		,      __snake_case      :					Dict="<s>"		,      __snake_case      :					Optional[Any]="</s>"		,      __snake_case      :					Optional[int]="</s>"		,      __snake_case      :					List[Any]="<pad>"		,      **__snake_case      :					str		,      )      ->		List[Any]:
								super().__init__(
								    bos_token=__snake_case		,      eos_token=__snake_case		,      sep_token=__snake_case		,      unk_token=__snake_case		,      pad_token=__snake_case		,      **__snake_case		,      )

								try:
															import sacremoses
								except ImportError:
															raise ImportError(
															    '''You need to install sacremoses to use BioGptTokenizer. '''
															    '''See https://pypi.org/project/sacremoses/ for installation.'''		)

								UpperCAmelCase			:	int										=		'''en'''
								UpperCAmelCase			:	str										=		sacremoses
								# cache of sm.MosesTokenizer instance
								UpperCAmelCase			:	List[Any]										=		{}
								UpperCAmelCase			:	Any										=		{}
								with open(__snake_case		,      encoding='''utf-8'''		) as vocab_handle:
															UpperCAmelCase			:	Optional[int]										=		json.load(__snake_case		)
								UpperCAmelCase			:	Union[str, Any]										=		{v: k for k, v in self.encoder.items()}
								with open(__snake_case		,      encoding='''utf-8'''		) as merges_handle:
															UpperCAmelCase			:	List[str]										=		merges_handle.read().split('''\n'''		)[:-1]
								UpperCAmelCase			:	Optional[int]										=		[tuple(merge.split()[:2]		) for merge in merges]
								UpperCAmelCase			:	Tuple										=		dict(zip(__snake_case		,      range(len(__snake_case		)		)		)		)
								UpperCAmelCase			:	Any										=		{}







	@property
	def 					A     (						self      :					Dict		)      ->		Optional[Any]:
								return len(self.encoder		)







	def 					A     (						self      :					Optional[int]		)      ->		List[Any]:
								return dict(self.encoder		,      **self.added_tokens_encoder		)







	def 					A     (						self      :					Optional[Any]		,      __snake_case      :					List[Any]		,      __snake_case      :					str		)      ->		str:
								if lang not in self.cache_moses_tokenizer:
															UpperCAmelCase			:	int										=		self.sm.MosesTokenizer(lang=__snake_case		)
															UpperCAmelCase			:	Optional[Any]										=		moses_tokenizer
								return self.cache_moses_tokenizer[lang].tokenize(
								    __snake_case		,      aggressive_dash_splits=__snake_case		,      return_str=__snake_case		,      escape=__snake_case		)







	def 					A     (						self      :					Dict		,      __snake_case      :					int		,      __snake_case      :					List[str]		)      ->		Tuple:
								if lang not in self.cache_moses_detokenizer:
															UpperCAmelCase			:	Dict										=		self.sm.MosesDetokenizer(lang=__snake_case		)
															UpperCAmelCase			:	Tuple										=		moses_detokenizer
								return self.cache_moses_detokenizer[lang].detokenize(__snake_case		)







	def 					A     (						self      :					Tuple		,      __snake_case      :					Optional[Any]		)      ->		Tuple:
								UpperCAmelCase			:	Dict										=		tuple(token[:-1]		) + (token[-1] + '''</w>''',)
								if token in self.cache:
															return self.cache[token]
								UpperCAmelCase			:	Union[str, Any]										=		get_pairs(__snake_case		)

								if not pairs:
															return token + "</w>"

								while True:
															UpperCAmelCase			:	Dict										=		min(__snake_case		,      key=lambda __snake_case		: self.bpe_ranks.get(__snake_case		,      float('''inf'''		)		)		)
															if bigram not in self.bpe_ranks:
																						break
															UpperCAmelCase			:	Optional[Any]										=		bigram
															UpperCAmelCase			:	Tuple										=		[]
															UpperCAmelCase			:	str										=		0
															while i < len(__snake_case		):
																						try:
																													UpperCAmelCase			:	str										=		word.index(__snake_case		,      __snake_case		)
																						except ValueError:
																													new_word.extend(word[i:]		)
																													break
																						else:
																													new_word.extend(word[i:j]		)
																													UpperCAmelCase			:	Optional[Any]										=		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
															UpperCAmelCase			:	Dict										=		tuple(__snake_case		)
															UpperCAmelCase			:	str										=		new_word
															if len(__snake_case		) == 1:
																						break
															else:
																						UpperCAmelCase			:	Dict										=		get_pairs(__snake_case		)
								UpperCAmelCase			:	Union[str, Any]										=		''' '''.join(__snake_case		)
								if word == "\n  </w>":
															UpperCAmelCase			:	int										=		'''\n</w>'''
								UpperCAmelCase			:	Any										=		word
								return word







	def 					A     (						self      :					Dict		,      __snake_case      :					Dict		,      __snake_case      :					Union[str, Any]=False		)      ->		List[str]:
								if bypass_tokenizer:
															UpperCAmelCase			:	str										=		text.split()
								else:
															UpperCAmelCase			:	List[Any]										=		self.moses_tokenize(__snake_case		,      self.lang		)

								UpperCAmelCase			:	List[Any]										=		[]
								for token in text:
															if token:
																						split_tokens.extend(list(self.bpe(__snake_case		).split(''' '''		)		)		)

								return split_tokens







	def 					A     (						self      :					str		,      __snake_case      :					Any		)      ->		str:
								return self.encoder.get(__snake_case		,      self.encoder.get(self.unk_token		)		)







	def 					A     (						self      :					Optional[int]		,      __snake_case      :					List[Any]		)      ->		Optional[int]:
								return self.decoder.get(__snake_case		,      self.unk_token		)







	def 					A     (						self      :					Tuple		,      __snake_case      :					Any		)      ->		List[str]:
								UpperCAmelCase			:	List[str]										=		[t.replace(''' '''		,      ''''''		).replace('''</w>'''		,      ''' '''		) for t in tokens]
								UpperCAmelCase			:	Optional[Any]										=		''''''.join(__snake_case		).split()
								# detokenize
								UpperCAmelCase			:	Tuple										=		self.moses_detokenize(__snake_case		,      self.lang		)
								return text







	def 					A     (						self      :					str		,      __snake_case      :					List[int]		,      __snake_case      :					Optional[List[int]] = None		)      ->		List[int]:
								if token_ids_a is None:
															return [self.sep_token_id] + token_ids_a
								UpperCAmelCase			:	Optional[int]										=		[self.sep_token_id]
								return sep + token_ids_a + sep + token_ids_a







	def 					A     (						self      :					Dict		,      __snake_case      :					List[int]		,      __snake_case      :					Optional[List[int]] = None		,      __snake_case      :					bool = False		)      ->		List[int]:
								if already_has_special_tokens:
															return super().get_special_tokens_mask(
															    token_ids_a=__snake_case		,      token_ids_a=__snake_case		,      already_has_special_tokens=__snake_case		)
								# no bos used in fairseq
								if token_ids_a is not None:
															return [1] + ([0] * len(__snake_case		)) + [1] + ([0] * len(__snake_case		))
								return [1] + ([0] * len(__snake_case		))







	def 					A     (						self      :					List[Any]		,      __snake_case      :					List[int]		,      __snake_case      :					Optional[List[int]] = None		)      ->		List[int]:
								UpperCAmelCase			:	List[Any]										=		[self.sep_token_id]

								# no bos used in fairseq
								if token_ids_a is None:
															return len(token_ids_a + sep		) * [0]
								return len(token_ids_a + sep		) * [0] + len(token_ids_a + sep		) * [1]







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

								UpperCAmelCase			:	List[Any]										=		0
								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 {merge_file}: BPE merge indices are not consecutive."""
																													    ''' Please check that the tokenizer is not corrupted!'''		)
																													UpperCAmelCase			:	int										=		token_index
																						writer.write(''' '''.join(__snake_case		) + '''\n'''		)
																						index += 1

								return vocab_file, merge_file







	def __getstate__(						self      :					Any		)      ->		Tuple:
								UpperCAmelCase			:	List[str]										=		self.__dict__.copy()
								UpperCAmelCase			:	Union[str, Any]										=		None
								return state







	def __setstate__(						self      :					Tuple		,      __snake_case      :					Union[str, Any]		)      ->		Tuple:
								UpperCAmelCase			:	Optional[Any]										=		d

								try:
															import sacremoses
								except ImportError:
															raise ImportError(
															    '''You need to install sacremoses to use XLMTokenizer. '''
															    '''See https://pypi.org/project/sacremoses/ for installation.'''		)

								UpperCAmelCase			:	Union[str, Any]										=		sacremoses










'''simple docstring'''






class     SCREAMING_SNAKE_CASE:







	"""simple docstring"""






	def __init__(						self      :					List[Any]		,      __snake_case      :					Dict		)      ->		str:
								UpperCAmelCase			:	str										=		val
								# Number of nodes in left subtree
								UpperCAmelCase			:	Optional[int]										=		0
								UpperCAmelCase			:	str										=		None
								UpperCAmelCase			:	Optional[Any]										=		None
								UpperCAmelCase			:	Dict										=		None







	def 					A     (						self      :					Tuple		,      __snake_case      :					Dict		)      ->		Dict:
								assert self.left_tree_size == other.left_tree_size, "Unequal Sizes of Blocks"

								if self.val < other.val:
															UpperCAmelCase			:	Optional[int]										=		self.right
															UpperCAmelCase			:	Optional[Any]										=		None
															if self.right:
																						UpperCAmelCase			:	Tuple										=		other
															UpperCAmelCase			:	int										=		other
															UpperCAmelCase			:	Dict										=		self.left_tree_size * 2 + 1
															return self
								else:
															UpperCAmelCase			:	int										=		other.right
															UpperCAmelCase			:	List[str]										=		None
															if other.right:
																						UpperCAmelCase			:	Dict										=		self
															UpperCAmelCase			:	Optional[Any]										=		self
															UpperCAmelCase			:	Optional[int]										=		other.left_tree_size * 2 + 1
															return other

class     SCREAMING_SNAKE_CASE:







	"""simple docstring"""






	def __init__(						self      :					Union[str, Any]		,      __snake_case      :					str=None		,      __snake_case      :					Any=None		,      __snake_case      :					Any=0		)      ->		Dict:
								UpperCAmelCase			:	str										=		heap_size
								UpperCAmelCase			:	Tuple										=		bottom_root
								UpperCAmelCase			:	str										=		min_node







	def 					A     (						self      :					Tuple		,      __snake_case      :					Union[str, Any]		)      ->		Optional[Any]:

								# Empty heaps corner cases
								if other.size == 0:
															return None
								if self.size == 0:
															UpperCAmelCase			:	List[str]										=		other.size
															UpperCAmelCase			:	Union[str, Any]										=		other.bottom_root
															UpperCAmelCase			:	Optional[int]										=		other.min_node
															return None
								# Update size
								UpperCAmelCase			:	Tuple										=		self.size + other.size

								# Update min.node
								if self.min_node.val > other.min_node.val:
															UpperCAmelCase			:	Union[str, Any]										=		other.min_node
								# Merge

								# Order roots by left_subtree_size
								UpperCAmelCase			:	List[str]										=		[]
								UpperCAmelCase							,		UpperCAmelCase			:	Optional[int]										=		self.bottom_root, other.bottom_root
								while i or j:
															if i and ((not j) or i.left_tree_size < j.left_tree_size):
																						combined_roots_list.append((i, True)		)
																						UpperCAmelCase			:	Union[str, Any]										=		i.parent
															else:
																						combined_roots_list.append((j, False)		)
																						UpperCAmelCase			:	List[str]										=		j.parent
        # Insert links between them
								for i in range(len(__snake_case		) - 1		):
															if combined_roots_list[i][1] != combined_roots_list[i + 1][1]:
																						UpperCAmelCase			:	Union[str, Any]										=		combined_roots_list[i + 1][0]
																						UpperCAmelCase			:	Optional[Any]										=		combined_roots_list[i][0]
        # Consecutively merge roots with same left_tree_size
								UpperCAmelCase			:	Optional[int]										=		combined_roots_list[0][0]
								while i.parent:
															if (
															    (i.left_tree_size == i.parent.left_tree_size) and (not i.parent.parent)
															) or (
															    i.left_tree_size == i.parent.left_tree_size
															    and i.left_tree_size != i.parent.parent.left_tree_size
															):
																						# Neighbouring Nodes
																						UpperCAmelCase			:	Optional[int]										=		i.left
																						UpperCAmelCase			:	List[Any]										=		i.parent.parent

																						# Merging trees
																						UpperCAmelCase			:	Optional[int]										=		i.merge_trees(i.parent		)

																						# Updating links
																						UpperCAmelCase			:	Any										=		previous_node
																						UpperCAmelCase			:	str										=		next_node
																						if previous_node:
																													UpperCAmelCase			:	Union[str, Any]										=		i
																						if next_node:
																													UpperCAmelCase			:	Optional[Any]										=		i
															else:
																						UpperCAmelCase			:	Union[str, Any]										=		i.parent
        # Updating self.bottom_root
								while i.left:
															UpperCAmelCase			:	str										=		i.left
								UpperCAmelCase			:	Optional[int]										=		i

								# Update other
								UpperCAmelCase			:	str										=		self.size
								UpperCAmelCase			:	Union[str, Any]										=		self.bottom_root
								UpperCAmelCase			:	Union[str, Any]										=		self.min_node

								# Return the merged heap
								return self







	def 					A     (						self      :					List[Any]		,      __snake_case      :					List[str]		)      ->		List[str]:
								if self.size == 0:
															UpperCAmelCase			:	List[Any]										=		Node(__snake_case		)
															UpperCAmelCase			:	List[str]										=		1
															UpperCAmelCase			:	str										=		self.bottom_root
								else:
															# Create new node
															UpperCAmelCase			:	int										=		Node(__snake_case		)

															# Update size
															self.size += 1

															# update min_node
															if val < self.min_node.val:
																						UpperCAmelCase			:	Optional[int]										=		new_node
															# Put new_node as a bottom_root in heap
															UpperCAmelCase			:	Optional[Any]										=		new_node
															UpperCAmelCase			:	Optional[Any]										=		self.bottom_root
															UpperCAmelCase			:	Union[str, Any]										=		new_node

															# Consecutively merge roots with same left_tree_size
															while (
															    self.bottom_root.parent
															    and self.bottom_root.left_tree_size
															    == self.bottom_root.parent.left_tree_size
															):
																						# Next node
																						UpperCAmelCase			:	List[str]										=		self.bottom_root.parent.parent

																						# Merge
																						UpperCAmelCase			:	int										=		self.bottom_root.merge_trees(self.bottom_root.parent		)

																						# Update Links
																						UpperCAmelCase			:	str										=		next_node
																						UpperCAmelCase			:	int										=		None
																						if next_node:
																													UpperCAmelCase			:	Dict										=		self.bottom_root







	def 					A     (						self      :					Tuple		)      ->		List[str]:
								return self.min_node.val







	def 					A     (						self      :					Optional[Any]		)      ->		int:
								return self.size == 0







	def 					A     (						self      :					List[str]		)      ->		int:
								UpperCAmelCase			:	Tuple										=		self.min_node.val

								# Last element in heap corner case
								if self.size == 1:
															# Update size
															UpperCAmelCase			:	Tuple										=		0

															# Update bottom root
															UpperCAmelCase			:	Optional[int]										=		None

															# Update min_node
															UpperCAmelCase			:	int										=		None

															return min_value
								# No right subtree corner case
								# The structure of the tree implies that this should be the bottom root
								# and there is at least one other root
								if self.min_node.right is None:
															# Update size
															self.size -= 1

															# Update bottom root
															UpperCAmelCase			:	Optional[Any]										=		self.bottom_root.parent
															UpperCAmelCase			:	List[Any]										=		None

															# Update min_node
															UpperCAmelCase			:	int										=		self.bottom_root
															UpperCAmelCase			:	Any										=		self.bottom_root.parent
															while i:
																						if i.val < self.min_node.val:
																													UpperCAmelCase			:	Dict										=		i
																						UpperCAmelCase			:	Union[str, Any]										=		i.parent
															return min_value
								# General case
								# Find the BinomialHeap of the right subtree of min_node
								UpperCAmelCase			:	List[str]										=		self.min_node.right
								UpperCAmelCase			:	Tuple										=		None
								UpperCAmelCase			:	Any										=		bottom_of_new
								UpperCAmelCase			:	str										=		1

								# Size, min_node and bottom_root
								while bottom_of_new.left:
															UpperCAmelCase			:	Tuple										=		size_of_new * 2 + 1
															UpperCAmelCase			:	Union[str, Any]										=		bottom_of_new.left
															if bottom_of_new.val < min_of_new.val:
																						UpperCAmelCase			:	Optional[int]										=		bottom_of_new
        # Corner case of single root on top left path
								if (not self.min_node.left) and (not self.min_node.parent):
															UpperCAmelCase			:	str										=		size_of_new
															UpperCAmelCase			:	str										=		bottom_of_new
															UpperCAmelCase			:	List[str]										=		min_of_new
															# print("Single root, multiple nodes case")
															return min_value
								# Remaining cases
								# Construct heap of right subtree
								UpperCAmelCase			:	int										=		BinomialHeap(
								    bottom_root=__snake_case		,      min_node=__snake_case		,      heap_size=__snake_case		)

								# Update size
								UpperCAmelCase			:	Union[str, Any]										=		self.size - 1 - size_of_new

								# Neighbour nodes
								UpperCAmelCase			:	Any										=		self.min_node.left
								UpperCAmelCase			:	Tuple										=		self.min_node.parent

								# Initialize new bottom_root and min_node
								UpperCAmelCase			:	Optional[int]										=		previous_node or next_node
								UpperCAmelCase			:	int										=		next_node

								# Update links of previous_node and search below for new min_node and
								# bottom_root
								if previous_node:
															UpperCAmelCase			:	List[Any]										=		next_node

															# Update bottom_root and search for min_node below
															UpperCAmelCase			:	Optional[Any]										=		previous_node
															UpperCAmelCase			:	Optional[Any]										=		previous_node
															while self.bottom_root.left:
																						UpperCAmelCase			:	Any										=		self.bottom_root.left
																						if self.bottom_root.val < self.min_node.val:
																													UpperCAmelCase			:	Tuple										=		self.bottom_root
								if next_node:
															UpperCAmelCase			:	Tuple										=		previous_node

															# Search for new min_node above min_node
															UpperCAmelCase			:	Tuple										=		next_node
															while i:
																						if i.val < self.min_node.val:
																													UpperCAmelCase			:	List[str]										=		i
																						UpperCAmelCase			:	Optional[int]										=		i.parent
        # Merge heaps
								self.merge_heaps(__snake_case		)

								return min_value







	def 					A     (						self      :					Union[str, Any]		)      ->		Union[str, Any]:
								UpperCAmelCase			:	Any										=		self.bottom_root
								while top_root.parent:
															UpperCAmelCase			:	Optional[Any]										=		top_root.parent
								# preorder
								UpperCAmelCase			:	List[Any]										=		[]
								self.__traversal(__snake_case		,      __snake_case		)
								return heap_pre_order







	def 					A     (						self      :					List[str]		,      __snake_case      :					Tuple		,      __snake_case      :					int		,      __snake_case      :					Union[str, Any]=0		)      ->		Optional[int]:
								if curr_node:
															preorder.append((curr_node.val, level)		)
															self.__traversal(curr_node.left		,      __snake_case		,      level + 1		)
															self.__traversal(curr_node.right		,      __snake_case		,      level + 1		)
								else:
															preorder.append(('''#''', level)		)







	def __str__(						self      :					Tuple		)      ->		Union[str, Any]:
								if self.is_empty():
															return ""
								UpperCAmelCase			:	Dict										=		self.pre_order()

								return "\n".join(('''-''' * level + str(__snake_case		)) for value, level in preorder_heap		)


# Unit Tests
if __name__ == "__main__":
						import doctest

						doctest.testmod()





