

'''simple docstring'''


import argparse
from pathlib import Path

from transformers import AutoConfig, AutoTokenizer, RagConfig, RagSequenceForGeneration, RagTokenForGeneration







def 						SCREAMING_SNAKE_CASE(  UpperCamelCase   ,UpperCamelCase   ,UpperCamelCase   ,UpperCamelCase   ,UpperCamelCase = None   ,UpperCamelCase = None   ,UpperCamelCase = None   ,)    ->    str:
	if config_name_or_path is None:
		UpperCAmelCase_		:      Dict       	=					"facebook/rag-token-base" if model_type == "rag_token" else "facebook/rag-sequence-base"

	if generator_tokenizer_name_or_path is None:
		UpperCAmelCase_		:      Tuple       	=					generator_name_or_path

	if question_encoder_tokenizer_name_or_path is None:
		UpperCAmelCase_		:      Tuple       	=					question_encoder_name_or_path

	UpperCAmelCase_		:      Any       	=					RagTokenForGeneration if model_type == "rag_token" else RagSequenceForGeneration

	# Save model.
	UpperCAmelCase_		:      Optional[Any]       	=					RagConfig.from_pretrained(_lowerCAmelCase  )
	UpperCAmelCase_		:      Union[str, Any]       	=					AutoConfig.from_pretrained(_lowerCAmelCase  )
	UpperCAmelCase_		:      Tuple       	=					AutoConfig.from_pretrained(_lowerCAmelCase  )

	UpperCAmelCase_		:      int       	=					gen_config
	UpperCAmelCase_		:      Dict       	=					question_encoder_config

	UpperCAmelCase_		:      Tuple       	=					model_class.from_pretrained_question_encoder_generator(
	    _lowerCAmelCase   ,_lowerCAmelCase   ,config=_lowerCAmelCase  )
	rag_model.save_pretrained(_lowerCAmelCase  )

	# Sanity check.
	model_class.from_pretrained(_lowerCAmelCase  )

	# Save tokenizers.
	UpperCAmelCase_		:      Optional[Any]       	=					AutoTokenizer.from_pretrained(_lowerCAmelCase  )
	gen_tokenizer.save_pretrained(dest_dir / 'generator_tokenizer/'  )
	UpperCAmelCase_		:      Union[str, Any]       	=					AutoTokenizer.from_pretrained(_lowerCAmelCase  )
	question_encoder_tokenizer.save_pretrained(dest_dir / 'question_encoder_tokenizer/'  )


if __name__ == "__main__":
						lowerCAmelCase__										= argparse.ArgumentParser()
						parser.add_argument(
						    "--model_type",
						    choices=["rag_sequence", "rag_token"],
						    required=True,
						    type=str,
						    help="RAG model type: rag_sequence, rag_token",
						)
						parser.add_argument("--dest", type=str, required=True, help="Path to the output checkpoint directory.")
						parser.add_argument("--generator_name_or_path", type=str, required=True, help="Generator model identifier")
						parser.add_argument(
						    "--question_encoder_name_or_path", type=str, required=True, help="Question encoder model identifier"
						)

						parser.add_argument(
						    "--generator_tokenizer_name_or_path",
						    type=str,
						    help="Generator tokenizer identifier, if not specified, resolves to ``generator_name_or_path``",
						)
						parser.add_argument(
						    "--question_encoder_tokenizer_name_or_path",
						    type=str,
						    help="Question encoder tokenizer identifier, if not specified, resolves to ``question_encoder_name_or_path``",
						)
						parser.add_argument(
						    "--config_name_or_path",
						    type=str,
						    help=(
						        "Identifier of the model config to use, if not provided, resolves to a base config for a given"
						        " ``model_type``"
						    ),
						)

						lowerCAmelCase__										= parser.parse_args()

						lowerCAmelCase__										= Path(args.dest)
						dest_dir.mkdir(exist_ok=True)

						consolidate(
						    args.model_type,
						    args.generator_name_or_path,
						    args.question_encoder_name_or_path,
						    dest_dir,
						    args.config_name_or_path,
						    args.generator_tokenizer_name_or_path,
						    args.question_encoder_tokenizer_name_or_path,
						)









'''simple docstring'''


class 					lowercase						:


							def __init__(			self)							->				Dict:
								UpperCAmelCase_		:      List[str]       	=					0
								UpperCAmelCase_		:      str       	=					0
								UpperCAmelCase_		:      Union[str, Any]       	=					{}


							def 						_snake_case							(			self    ,			_snake_case)							->				Tuple:
								if vertex not in self.adjacency:
									UpperCAmelCase_		:      Tuple       	=					{}
									self.num_vertices += 1


							def 						_snake_case							(			self    ,			_snake_case    ,			_snake_case    ,			_snake_case)							->				Any:
								self.add_vertex(_snake_case)
								self.add_vertex(_snake_case)

								if head == tail:
									return

								UpperCAmelCase_		:      str       	=					weight
								UpperCAmelCase_		:      Optional[int]       	=					weight


							def 						_snake_case							(			self)							->				Union[str, Any]:
								UpperCAmelCase_		:      Dict       	=					self.get_edges()
								for edge in edges:
									UpperCAmelCase_	,    UpperCAmelCase_	,    UpperCAmelCase_		:      str       	=					edge
									edges.remove((tail, head, weight))
								for i in range(len(_snake_case)):
									UpperCAmelCase_		:      Union[str, Any]       	=					list(edges[i])

								edges.sort(key=lambda _snake_case: e[2])
								for i in range(len(_snake_case) - 1):
									if edges[i][2] >= edges[i + 1][2]:
										UpperCAmelCase_		:      Tuple       	=					edges[i][2] + 1
								for edge in edges:
									UpperCAmelCase_	,    UpperCAmelCase_	,    UpperCAmelCase_		:      List[Any]       	=					edge
									UpperCAmelCase_		:      Any       	=					weight
									UpperCAmelCase_		:      Union[str, Any]       	=					weight


							def __str__(			self)							->				str:
								UpperCAmelCase_		:      int       	=					''
								for tail in self.adjacency:
									for head in self.adjacency[tail]:
										UpperCAmelCase_		:      Dict       	=					self.adjacency[head][tail]
										string += F"""{head} -> {tail} == {weight}\n"""
								return string.rstrip('\n')


							def 						_snake_case							(			self)							->				str:
								UpperCAmelCase_		:      Optional[int]       	=					[]
								for tail in self.adjacency:
									for head in self.adjacency[tail]:
										output.append((tail, head, self.adjacency[head][tail]))
								return output


							def 						_snake_case							(			self)							->				Any:
								return self.adjacency.keys()


							@staticmethod
							def 						_snake_case							(			_snake_case=None    ,			_snake_case=None)							->				Dict:
								UpperCAmelCase_		:      List[str]       	=					Graph()
								if vertices is None:
									UpperCAmelCase_		:      Optional[Any]       	=					[]
								if edges is None:
									UpperCAmelCase_		:      int       	=					[]
								for vertex in vertices:
									g.add_vertex(_snake_case)
								for edge in edges:
									g.add_edge(*_snake_case)
								return g



							class 					lowercase						:


														def __init__(			self)							->				Dict:
															UpperCAmelCase_		:      Tuple       	=					{}
															UpperCAmelCase_		:      str       	=					{}


														def __len__(			self)							->				List[Any]:
															return len(self.parent)


														def 						_snake_case							(			self    ,			_snake_case)							->				Union[str, Any]:
															if item in self.parent:
																return self.find(_snake_case)

															UpperCAmelCase_		:      Any       	=					item
															UpperCAmelCase_		:      List[str]       	=					0
															return item


														def 						_snake_case							(			self    ,			_snake_case)							->				str:
															if item not in self.parent:
																return self.make_set(_snake_case)
															if item != self.parent[item]:
																UpperCAmelCase_		:      Dict       	=					self.find(self.parent[item])
															return self.parent[item]





														def 						_snake_case							(			self    ,			_snake_case    ,			_snake_case)							->				int:
															UpperCAmelCase_		:      List[str]       	=					self.find(_snake_case)
															UpperCAmelCase_		:      List[str]       	=					self.find(_snake_case)

															if roota == roota:
																return roota

															if self.rank[roota] > self.rank[roota]:
																UpperCAmelCase_		:      int       	=					roota
																return roota

															if self.rank[roota] < self.rank[roota]:
																UpperCAmelCase_		:      Dict       	=					roota
																return roota

															if self.rank[roota] == self.rank[roota]:
																self.rank[roota] += 1
																UpperCAmelCase_		:      Any       	=					roota
																return roota
															return None


							@staticmethod
							def 						_snake_case							(			_snake_case)							->				int:
								UpperCAmelCase_		:      Optional[Any]       	=					graph.num_vertices

								UpperCAmelCase_		:      Optional[int]       	=					Graph.UnionFind()
								UpperCAmelCase_		:      int       	=					[]
								while num_components > 1:
									UpperCAmelCase_		:      Any       	=					{}
									for vertex in graph.get_vertices():
										UpperCAmelCase_		:      Optional[Any]       	=					-1

									UpperCAmelCase_		:      List[str]       	=					graph.get_edges()
									for edge in edges:
										UpperCAmelCase_	,    UpperCAmelCase_	,    UpperCAmelCase_		:      List[str]       	=					edge
										edges.remove((tail, head, weight))
									for edge in edges:
										UpperCAmelCase_	,    UpperCAmelCase_	,    UpperCAmelCase_		:      Union[str, Any]       	=					edge
										UpperCAmelCase_		:      Any       	=					union_find.find(_snake_case)
										UpperCAmelCase_		:      Dict       	=					union_find.find(_snake_case)
										if seta != seta:
											if cheap_edge[seta] == -1 or cheap_edge[seta][2] > weight:
												UpperCAmelCase_		:      List[str]       	=					[head, tail, weight]

											if cheap_edge[seta] == -1 or cheap_edge[seta][2] > weight:
												UpperCAmelCase_		:      str       	=					[head, tail, weight]
									for vertex in cheap_edge:
										if cheap_edge[vertex] != -1:
											UpperCAmelCase_	,    UpperCAmelCase_	,    UpperCAmelCase_		:      Any       	=					cheap_edge[vertex]
											if union_find.find(_snake_case) != union_find.find(_snake_case):
												union_find.union(_snake_case    ,			_snake_case)
												mst_edges.append(cheap_edge[vertex])
												UpperCAmelCase_		:      Tuple       	=					num_components - 1
								UpperCAmelCase_		:      int       	=					Graph.build(edges=_snake_case)
								return mst






