




import argparse
import ast
import logging
import os
import sys

import pandas as pd
import torch
from tqdm import tqdm

from transformers import BartForConditionalGeneration, RagRetriever, RagSequenceForGeneration, RagTokenForGeneration
from transformers import logging as transformers_logging


sys.path.append(os.path.join(os.getcwd()))  # noqa: E402 # isort:skip
from utils_rag import exact_match_score, fa_score  # noqa: E402 # isort:skip


UpperCamelCase__		=						logging.getLogger(__name__)
logging.basicConfig(level=logging.INFO)

transformers_logging.set_verbosity_info()






def  snake_case       (							A      )							->							Any:




	'''simple docstring'''


	if "token" in model_name_or_path:
		return "rag_token"
	if "sequence" in model_name_or_path:
		return "rag_sequence"
	if "bart" in model_name_or_path:
		return "bart"
	return None






def  snake_case       (							A						,       A						,       A      )							->							Tuple:




	'''simple docstring'''


	return max(metric_fn(lowercase__						,       lowercase__      ) for gt in ground_truths      )






def  snake_case       (							A						,       A						,       A      )							->							List[Any]:




	'''simple docstring'''


	lowerCamelCase_							:		Tuple							       =							[line.strip() for line in open(lowercase__						,       'r'      ).readlines()]
	lowerCamelCase_							:		Optional[Any]							       =							[]

	if args.gold_data_mode == "qa":
		lowerCamelCase_							:		Any							       =							pd.read_csv(lowercase__						,       sep='\t'						,       header=lowercase__      )
		for answer_list in data[1]:
			lowerCamelCase_							:		Any							       =							ast.literal_eval(lowercase__      )
			answers.append(lowercase__      )
	else:
		lowerCamelCase_							:		int							       =							[line.strip() for line in open(lowercase__						,       'r'      ).readlines()]
		lowerCamelCase_							:		Union[str, Any]							       =							[[reference] for reference in references]

	lowerCamelCase_							:		Any							       =							0
	for prediction, ground_truths in zip(lowercase__						,       lowercase__      ):
		total += 1
		em += metric_max_over_ground_truths(lowercase__						,       lowercase__						,       lowercase__      )
		fa += metric_max_over_ground_truths(lowercase__						,       lowercase__						,       lowercase__      )

	lowerCamelCase_							:		Tuple							       =							100.0 * em / total
	lowerCamelCase_							:		str							       =							100.0 * fa / total

	logger.info(f"F1: {fa:.2f}"      )
	logger.info(f"EM: {em:.2f}"      )






def  snake_case       (							A						,       A						,       A      )							->							Optional[Any]:




	'''simple docstring'''


	lowerCamelCase_							:		Union[str, Any]							       =							args.k
	lowerCamelCase_							:		Optional[Any]							       =							[line.strip() for line in open(lowercase__						,       'r'      ).readlines()]
	lowerCamelCase_							:		List[str]							       =							[line.strip() for line in open(lowercase__						,       'r'      ).readlines()]

	lowerCamelCase_							:		str							       =							0
	for hypo, reference in zip(lowercase__						,       lowercase__      ):
		lowerCamelCase_							:		Optional[Any]							       =							set(hypo.split('\t'      )[:k]      )
		lowerCamelCase_							:		Tuple							       =							set(reference.split('\t'      )      )
		total += 1
		em += len(hypo_provenance & ref_provenance      ) / k

	lowerCamelCase_							:		str							       =							100.0 * em / total
	logger.info(f"Precision@{k}: {em: .2f}"      )






def  snake_case       (							A						,       A						,       A      )							->							Optional[int]:




	'''simple docstring'''


	def strip_title(A      ):
		if title.startswith('\"'      ):
			lowerCamelCase_							:		List[Any]							       =							title[1:]
		if title.endswith('\"'      ):
			lowerCamelCase_							:		str							       =							title[:-1]
		return title

	lowerCamelCase_							:		str							       =							rag_model.retriever.question_encoder_tokenizer.batch_encode_plus(
	    lowercase__						,       return_tensors='pt'						,       padding=lowercase__						,       truncation=lowercase__						,       )["input_ids"].to(args.device      )

	lowerCamelCase_							:		Optional[Any]							       =							rag_model.rag.question_encoder(lowercase__      )
	lowerCamelCase_							:		Dict							       =							question_enc_outputs[0]

	lowerCamelCase_							:		str							       =							rag_model.retriever(
	    lowercase__						,       question_enc_pool_output.cpu().detach().to(torch.floataa      ).numpy()						,       prefix=rag_model.rag.generator.config.prefix						,       n_docs=rag_model.config.n_docs						,       return_tensors='pt'						,       )
	lowerCamelCase_							:		int							       =							rag_model.retriever.index.get_doc_dicts(result.doc_ids      )
	lowerCamelCase_							:		Optional[Any]							       =							[]
	for docs in all_docs:
		lowerCamelCase_							:		List[str]							       =							[strip_title(lowercase__      ) for title in docs["title"]]
		provenance_strings.append('\t'.join(lowercase__      )      )
	return provenance_strings






def  snake_case       (							A						,       A						,       A      )							->							Union[str, Any]:




	'''simple docstring'''


	with torch.no_grad():
		lowerCamelCase_							:		Optional[Any]							       =							rag_model.retriever.question_encoder_tokenizer.batch_encode_plus(
		    lowercase__						,       return_tensors='pt'						,       padding=lowercase__						,       truncation=lowercase__      )

		lowerCamelCase_							:		int							       =							inputs_dict.input_ids.to(args.device      )
		lowerCamelCase_							:		Tuple							       =							inputs_dict.attention_mask.to(args.device      )
		lowerCamelCase_							:		Optional[int]							       =							rag_model.generate(  # rag_model overwrites generate
		    lowercase__						,       attention_mask=lowercase__						,       num_beams=args.num_beams						,       min_length=args.min_length						,       max_length=args.max_length						,       early_stopping=lowercase__						,       num_return_sequences=1						,       bad_words_ids=[[0, 0]]						,       )
		lowerCamelCase_							:		str							       =							rag_model.retriever.generator_tokenizer.batch_decode(lowercase__						,       skip_special_tokens=lowercase__      )

		if args.print_predictions:
			for q, a in zip(lowercase__						,       lowercase__      ):
				logger.info('Q: {} - A: {}'.format(lowercase__						,       lowercase__      )      )

		return answers






def  snake_case       (							)							->							Any:




	'''simple docstring'''


	lowerCamelCase_							:		Dict							       =							argparse.ArgumentParser()
	parser.add_argument(
	    '--model_type'						,       choices=['rag_sequence', 'rag_token', 'bart']						,       type=lowercase__						,       help=(
	        'RAG model type: rag_sequence, rag_token or bart, if none specified, the type is inferred from the'
	        ' model_name_or_path'
	    )						,       )
	parser.add_argument(
	    '--index_name'						,       default=lowercase__						,       choices=['exact', 'compressed', 'legacy']						,       type=lowercase__						,       help='RAG model retriever type'						,       )
	parser.add_argument(
	    '--index_path'						,       default=lowercase__						,       type=lowercase__						,       help='Path to the retrieval index'						,       )
	parser.add_argument('--n_docs'						,       default=5						,       type=lowercase__						,       help='Number of retrieved docs'      )
	parser.add_argument(
	    '--model_name_or_path'						,       default=lowercase__						,       type=lowercase__						,       required=lowercase__						,       help='Path to pretrained checkpoints or model identifier from huggingface.co/models'						,       )
	parser.add_argument(
	    '--eval_mode'						,       choices=['e2e', 'retrieval']						,       default='e2e'						,       type=lowercase__						,       help=(
	        'Evaluation mode, e2e calculates exact match and F1 of the downstream task, retrieval calculates'
	        ' precision@k.'
	    )						,       )
	parser.add_argument('--k'						,       default=1						,       type=lowercase__						,       help='k for the precision@k calculation'      )
	parser.add_argument(
	    '--evaluation_set'						,       default=lowercase__						,       type=lowercase__						,       required=lowercase__						,       help='Path to a file containing evaluation samples'						,       )
	parser.add_argument(
	    '--gold_data_path'						,       default=lowercase__						,       type=lowercase__						,       required=lowercase__						,       help='Path to a tab-separated file with gold samples'						,       )
	parser.add_argument(
	    '--gold_data_mode'						,       default='qa'						,       type=lowercase__						,       choices=['qa', 'ans']						,       help=(
	        'Format of the gold data file'
	        'qa - a single line in the following format: question [tab] answer_list'
	        'ans - a single line of the gold file contains the expected answer string'
	    )						,       )
	parser.add_argument(
	    '--predictions_path'						,       type=lowercase__						,       default='predictions.txt'						,       help='Name of the predictions file, to be stored in the checkpoints directory'						,       )
	parser.add_argument(
	    '--eval_all_checkpoints'						,       action='store_true'						,       help='Evaluate all checkpoints starting with the same prefix as model_name ending and ending with step number'						,       )
	parser.add_argument(
	    '--eval_batch_size'						,       default=8						,       type=lowercase__						,       help='Batch size per GPU/CPU for evaluation.'						,       )
	parser.add_argument(
	    '--recalculate'						,       help='Recalculate predictions even if the prediction file exists'						,       action='store_true'						,       )
	parser.add_argument(
	    '--num_beams'						,       default=4						,       type=lowercase__						,       help='Number of beams to be used when generating answers'						,       )
	parser.add_argument('--min_length'						,       default=1						,       type=lowercase__						,       help='Min length of the generated answers'      )
	parser.add_argument('--max_length'						,       default=50						,       type=lowercase__						,       help='Max length of the generated answers'      )

	parser.add_argument(
	    '--print_predictions'						,       action='store_true'						,       help='If True, prints predictions while evaluating.'						,       )
	parser.add_argument(
	    '--print_docs'						,       action='store_true'						,       help='If True, prints docs retried while generating.'						,       )
	lowerCamelCase_							:		Any							       =							parser.parse_args()
	lowerCamelCase_							:		Any							       =							torch.device('cuda' if torch.cuda.is_available() else 'cpu'      )
	return args






def  snake_case       (							A      )							->							Union[str, Any]:




	'''simple docstring'''


	lowerCamelCase_							:		Optional[int]							       =							{}
	if args.model_type is None:
		lowerCamelCase_							:		Optional[int]							       =							infer_model_type(args.model_name_or_path      )
		assert args.model_type is not None
	if args.model_type.startswith('rag'      ):
		lowerCamelCase_							:		Tuple							       =							RagTokenForGeneration if args.model_type == "rag_token" else RagSequenceForGeneration
		lowerCamelCase_							:		str							       =							args.n_docs
		if args.index_name is not None:
			lowerCamelCase_							:		Any							       =							args.index_name
		if args.index_path is not None:
			lowerCamelCase_							:		Union[str, Any]							       =							args.index_path
	else:
		lowerCamelCase_							:		Union[str, Any]							       =							BartForConditionalGeneration

	lowerCamelCase_							:		int							       =							(
	    [f.path for f in os.scandir(args.model_name_or_path      ) if f.is_dir()]
	    if args.eval_all_checkpoints
	    else [args.model_name_or_path]
	)

	logger.info('Evaluate the following checkpoints: %s'						,       lowercase__      )

	lowerCamelCase_							:		List[str]							       =							get_scores if args.eval_mode == "e2e" else get_precision_at_k
	lowerCamelCase_							:		List[Any]							       =							evaluate_batch_eae if args.eval_mode == "e2e" else evaluate_batch_retrieval

	for checkpoint in checkpoints:
		if os.path.exists(args.predictions_path      ) and (not args.recalculate):
			logger.info('Calculating metrics based on an existing predictions file: {}'.format(args.predictions_path      )      )
			score_fn(lowercase__						,       args.predictions_path						,       args.gold_data_path      )
			continue

		logger.info('***** Running evaluation for {} *****'.format(lowercase__      )      )
		logger.info('  Batch size = %d'						,       args.eval_batch_size      )
		logger.info('  Predictions will be stored under {}'.format(args.predictions_path      )      )

		if args.model_type.startswith('rag'      ):
			lowerCamelCase_							:		Any							       =							RagRetriever.from_pretrained(lowercase__						,       **lowercase__      )
			lowerCamelCase_							:		Optional[Any]							       =							model_class.from_pretrained(lowercase__						,       retriever=lowercase__						,       **lowercase__      )
			model.retriever.init_retrieval()
		else:
			lowerCamelCase_							:		List[str]							       =							model_class.from_pretrained(lowercase__						,       **lowercase__      )
		model.to(args.device      )

		with open(args.evaluation_set						,       'r'      ) as eval_file, open(args.predictions_path						,       'w'      ) as preds_file:
			lowerCamelCase_							:		Tuple							       =							[]
			for line in tqdm(lowercase__      ):
				questions.append(line.strip()      )
				if len(lowercase__      ) == args.eval_batch_size:
					lowerCamelCase_							:		Union[str, Any]							       =							evaluate_batch_fn(lowercase__						,       lowercase__						,       lowercase__      )
					preds_file.write('\n'.join(lowercase__      ) + '\n'      )
					preds_file.flush()
					lowerCamelCase_							:		int							       =							[]
			if len(lowercase__      ) > 0:
				lowerCamelCase_							:		Optional[Any]							       =							evaluate_batch_fn(lowercase__						,       lowercase__						,       lowercase__      )
				preds_file.write('\n'.join(lowercase__      )      )
				preds_file.flush()

			score_fn(lowercase__						,       args.predictions_path						,       args.gold_data_path      )


if __name__ == "__main__":
							UpperCamelCase__		=						get_args()
							main(args)






import sys

from transformers import AutoTokenizer


UpperCamelCase__		=						sys.argv[1]
UpperCamelCase__		=						sys.argv[2]
UpperCamelCase__		=						int(sys.argv[3])

UpperCamelCase__		=						0

UpperCamelCase__		=						AutoTokenizer.from_pretrained(model_name_or_path)
max_len -= tokenizer.num_special_tokens_to_add()

with open(dataset, 'rt') as f_p:
							for line in f_p:
														UpperCamelCase__		=						line.rstrip()

														if not line:
																					print(line)
																					UpperCamelCase__		=						0
																					continue

														UpperCamelCase__		=						line.split()[0]

														UpperCamelCase__		=						len(tokenizer.tokenize(token))

														# Token contains strange control characters like \x96 or \x95
														# Just filter out the complete line
														if current_subwords_len == 0:
																					continue

														if (subword_len_counter + current_subwords_len) > max_len:
																					print('')
																					print(line)
																					UpperCamelCase__		=						current_subwords_len
																					continue

														subword_len_counter += current_subwords_len

														print(line)
