


"""simple docstring"""

import argparse
from pathlib import Path

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


def lowerCAmelCase_      (				UpperCamelCase__	: int				,   UpperCamelCase__	: str				,   UpperCamelCase__	: str				,   UpperCamelCase__	: Path				,   UpperCamelCase__	: str = None				,   UpperCamelCase__	: str = None				,   UpperCamelCase__	: str = None				,   ):






 """simple docstring"""







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

 if generator_tokenizer_name_or_path is None:
  __lowercase									=	generator_name_or_path

 if question_encoder_tokenizer_name_or_path is None:
  __lowercase									=	question_encoder_name_or_path

 __lowercase									=	RagTokenForGeneration if model_type == """rag_token""" else RagSequenceForGeneration

 # Save model.
 __lowercase									=	RagConfig.from_pretrained(UpperCamelCase__ )
 __lowercase									=	AutoConfig.from_pretrained(UpperCamelCase__ )
 __lowercase									=	AutoConfig.from_pretrained(UpperCamelCase__ )

 __lowercase									=	gen_config
 __lowercase									=	question_encoder_config

 __lowercase									=	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.
 __lowercase									=	AutoTokenizer.from_pretrained(UpperCamelCase__ )
 gen_tokenizer.save_pretrained(dest_dir / """generator_tokenizer/""" )
 __lowercase									=	AutoTokenizer.from_pretrained(UpperCamelCase__ )
 question_encoder_tokenizer.save_pretrained(dest_dir / """question_encoder_tokenizer/""" )


if __name__ == "__main__":
       UpperCAmelCase__  							=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``"
           ),
       )

       UpperCAmelCase__  							=parser.parse_args()

       UpperCAmelCase__  							=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"""

def lowerCAmelCase_      (				UpperCamelCase__	: int				,   UpperCamelCase__	: list ):






 """simple docstring"""







 _enforce_args(UpperCamelCase__				,   UpperCamelCase__ )
 if n == 0:
  return 0
 __lowercase									=	float("""-inf""" )
 for i in range(1				,   n + 1 ):
  __lowercase									=	max(
      UpperCamelCase__				,   prices[i - 1] + naive_cut_rod_recursive(n - i				,   UpperCamelCase__ ) )

 return max_revue


def lowerCAmelCase_      (				UpperCamelCase__	: int				,   UpperCamelCase__	: list ):






 """simple docstring"""







 _enforce_args(UpperCamelCase__				,   UpperCamelCase__ )
 __lowercase									=	[float("""-inf""" ) for _ in range(n + 1 )]
 return _top_down_cut_rod_recursive(UpperCamelCase__				,   UpperCamelCase__				,   UpperCamelCase__ )


def lowerCAmelCase_      (				UpperCamelCase__	: int				,   UpperCamelCase__	: list				,   UpperCamelCase__	: list ):






 """simple docstring"""







 if max_rev[n] >= 0:
  return max_rev[n]
 elif n == 0:
  return 0
 else:
  __lowercase									=	float("""-inf""" )
  for i in range(1				,   n + 1 ):
   __lowercase									=	max(
       UpperCamelCase__				,   prices[i - 1] + _top_down_cut_rod_recursive(n - i				,   UpperCamelCase__				,   UpperCamelCase__ )				,   )

  __lowercase									=	max_revenue

 return max_rev[n]


def lowerCAmelCase_      (				UpperCamelCase__	: int				,   UpperCamelCase__	: list ):






 """simple docstring"""







 _enforce_args(UpperCamelCase__				,   UpperCamelCase__ )

 # length(max_rev) = n + 1, to accommodate for the revenue obtainable from a rod of
 # length 0.
 __lowercase									=	[float("""-inf""" ) for _ in range(n + 1 )]
 __lowercase									=	0

 for i in range(1				,   n + 1 ):
  __lowercase									=	max_rev[i]
  for j in range(1				,   i + 1 ):
   __lowercase									=	max(UpperCamelCase__				,   prices[j - 1] + max_rev[i - j] )

  __lowercase									=	max_revenue_i

 return max_rev[n]


def lowerCAmelCase_      (				UpperCamelCase__	: int				,   UpperCamelCase__	: list ):






 """simple docstring"""







 if n < 0:
  __lowercase									=	f'''n must be greater than or equal to 0. Got n = {n}'''
  raise ValueError(UpperCamelCase__ )

 if n > len(UpperCamelCase__ ):
  __lowercase									=	(
      """Each integral piece of rod must have a corresponding price. """
      f'''Got n = {n} but length of prices = {len(UpperCamelCase__ )}'''
  )
  raise ValueError(UpperCamelCase__ )


def lowerCAmelCase_      (				):






 """simple docstring"""







 __lowercase									=	[6, 10, 12, 15, 20, 23]
 __lowercase									=	len(UpperCamelCase__ )

 # the best revenue comes from cutting the rod into 6 pieces, each
 # of length 1 resulting in a revenue of 6 * 6 = 36.
 __lowercase									=	36

 __lowercase									=	top_down_cut_rod(UpperCamelCase__				,   UpperCamelCase__ )
 __lowercase									=	bottom_up_cut_rod(UpperCamelCase__				,   UpperCamelCase__ )
 __lowercase									=	naive_cut_rod_recursive(UpperCamelCase__				,   UpperCamelCase__ )

 assert expected_max_revenue == max_rev_top_down
 assert max_rev_top_down == max_rev_bottom_up
 assert max_rev_bottom_up == max_rev_naive


if __name__ == "__main__":
       main()
