






import argparse
from pathlib import Path

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







def      snake_case		(							UpperCAmelCase	:       Dict,						UpperCAmelCase	:       str,						UpperCAmelCase	:       str,						UpperCAmelCase	:       Path,						UpperCAmelCase	:       str = None,						UpperCAmelCase	:       str = None,						UpperCAmelCase	:       str = None,						):

				'''simple docstring'''





				if config_name_or_path is None:
								A	 =      'facebook/rag-token-base' if model_type == 'rag_token' else 'facebook/rag-sequence-base'

				if generator_tokenizer_name_or_path is None:
								A	 =      generator_name_or_path

				if question_encoder_tokenizer_name_or_path is None:
								A	 =      question_encoder_name_or_path

				A	 =      RagTokenForGeneration if model_type == 'rag_token' else RagSequenceForGeneration

				# Save model.
				A	 =      RagConfig.from_pretrained(UpperCAmelCase   )
				A	 =      AutoConfig.from_pretrained(UpperCAmelCase   )
				A	 =      AutoConfig.from_pretrained(UpperCAmelCase   )

				A	 =      gen_config
				A	 =      question_encoder_config

				A	 =      model_class.from_pretrained_question_encoder_generator(
				    UpperCAmelCase,						UpperCAmelCase,						config=UpperCAmelCase   )
				rag_model.save_pretrained(UpperCAmelCase   )

				# Sanity check.
				model_class.from_pretrained(UpperCAmelCase   )

				# Save tokenizers.
				A	 =      AutoTokenizer.from_pretrained(UpperCAmelCase   )
				gen_tokenizer.save_pretrained(dest_dir / 'generator_tokenizer/'   )
				A	 =      AutoTokenizer.from_pretrained(UpperCAmelCase   )
				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,
					)













def      snake_case		(							UpperCAmelCase	:       int   ):
				A	 =      0
				while num > 0:
								digit_sum += num % 10
								num //= 10
				return digit_sum







def      snake_case		(							UpperCAmelCase	:       int = 1_00   ):
				A	 =      1
				A	 =      2

				for i in range(2,						max_n + 1   ):
								A	 =      pre_numerator
								A	 =      2 * i // 3 if i % 3 == 0 else 1
								A	 =      cur_numerator
								A	 =      e_cont * pre_numerator + temp

				return sum_digits(UpperCAmelCase   )


if __name__ == "__main__":
					print(f'''{solution() = }''')





