




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    UpperCAmelCase							(  _snake_case				):






							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    UpperCAmelCase							(  _snake_case    ,			_snake_case    ,			_snake_case				):
							return max(metric_fn(_snake_case    ,			_snake_case				) for gt in ground_truths				)



def    UpperCAmelCase							(  _snake_case    ,			_snake_case    ,			_snake_case				):
							lowerCAmelCase =		[line.strip() for line in open(_snake_case    ,			'''r'''				).readlines()]
							lowerCAmelCase =		[]

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

							lowerCAmelCase =		lowerCAmelCase =		lowerCAmelCase =		0
							for prediction, ground_truths in zip(_snake_case    ,			_snake_case				):
														total += 1
														em += metric_max_over_ground_truths(_snake_case    ,			_snake_case    ,			_snake_case				)
														fa += metric_max_over_ground_truths(_snake_case    ,			_snake_case    ,			_snake_case				)

							lowerCAmelCase =		100.0 * em / total
							lowerCAmelCase =		100.0 * fa / total

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



def    UpperCAmelCase							(  _snake_case    ,			_snake_case    ,			_snake_case				):
							lowerCAmelCase =		args.k
							lowerCAmelCase =		[line.strip() for line in open(_snake_case    ,			'''r'''				).readlines()]
							lowerCAmelCase =		[line.strip() for line in open(_snake_case    ,			'''r'''				).readlines()]

							lowerCAmelCase =		lowerCAmelCase =		0
							for hypo, reference in zip(_snake_case    ,			_snake_case				):
														lowerCAmelCase =		set(hypo.split('''\t'''				)[:k]				)
														lowerCAmelCase =		set(reference.split('''\t'''				)				)
														total += 1
														em += len(hypo_provenance & ref_provenance				) / k

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



def    UpperCAmelCase							(  _snake_case    ,			_snake_case    ,			_snake_case				):






							def strip_title(_snake_case				):
														if title.startswith('''"'''				):
																					lowerCAmelCase =		title[1:]
														if title.endswith('''"'''				):
																					lowerCAmelCase =		title[:-1]
														return title

							lowerCAmelCase =		rag_model.retriever.question_encoder_tokenizer.batch_encode_plus(
							    _snake_case    ,			return_tensors='''pt'''    ,			padding=_snake_case    ,			truncation=_snake_case    ,			)['''input_ids'''].to(args.device				)

							lowerCAmelCase =		rag_model.rag.question_encoder(_snake_case				)
							lowerCAmelCase =		question_enc_outputs[0]

							lowerCAmelCase =		rag_model.retriever(
							    _snake_case    ,			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 =		rag_model.retriever.index.get_doc_dicts(result.doc_ids				)
							lowerCAmelCase =		[]
							for docs in all_docs:
														lowerCAmelCase =		[strip_title(_snake_case				) for title in docs['''title''']]
														provenance_strings.append('''\t'''.join(_snake_case				)				)
							return provenance_strings



def    UpperCAmelCase							(  _snake_case    ,			_snake_case    ,			_snake_case				):






							with torch.no_grad():
														lowerCAmelCase =		rag_model.retriever.question_encoder_tokenizer.batch_encode_plus(
														    _snake_case    ,			return_tensors='''pt'''    ,			padding=_snake_case    ,			truncation=_snake_case				)

														lowerCAmelCase =		inputs_dict.input_ids.to(args.device				)
														lowerCAmelCase =		inputs_dict.attention_mask.to(args.device				)
														lowerCAmelCase =		rag_model.generate(  # rag_model overwrites generate
														    _snake_case    ,			attention_mask=_snake_case    ,			num_beams=args.num_beams    ,			min_length=args.min_length    ,			max_length=args.max_length    ,			early_stopping=_snake_case    ,			num_return_sequences=1    ,			bad_words_ids=[[0, 0]]    ,			)
														lowerCAmelCase =		rag_model.retriever.generator_tokenizer.batch_decode(_snake_case    ,			skip_special_tokens=_snake_case				)

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

														return answers



def    UpperCAmelCase							(  ):
							lowerCAmelCase =		argparse.ArgumentParser()
							parser.add_argument(
							    '''--model_type'''    ,			choices=['''rag_sequence''', '''rag_token''', '''bart''']    ,			type=_snake_case    ,			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=_snake_case    ,			choices=['''exact''', '''compressed''', '''legacy''']    ,			type=_snake_case    ,			help='''RAG model retriever type'''    ,			)
							parser.add_argument(
							    '''--index_path'''    ,			default=_snake_case    ,			type=_snake_case    ,			help='''Path to the retrieval index'''    ,			)
							parser.add_argument('''--n_docs'''    ,			default=5    ,			type=_snake_case    ,			help='''Number of retrieved docs'''				)
							parser.add_argument(
							    '''--model_name_or_path'''    ,			default=_snake_case    ,			type=_snake_case    ,			required=_snake_case    ,			help='''Path to pretrained checkpoints or model identifier from huggingface.co/models'''    ,			)
							parser.add_argument(
							    '''--eval_mode'''    ,			choices=['''e2e''', '''retrieval''']    ,			default='''e2e'''    ,			type=_snake_case    ,			help=(
							        '''Evaluation mode, e2e calculates exact match and F1 of the downstream task, retrieval calculates'''
							        ''' precision@k.'''
							    )    ,			)
							parser.add_argument('''--k'''    ,			default=1    ,			type=_snake_case    ,			help='''k for the precision@k calculation'''				)
							parser.add_argument(
							    '''--evaluation_set'''    ,			default=_snake_case    ,			type=_snake_case    ,			required=_snake_case    ,			help='''Path to a file containing evaluation samples'''    ,			)
							parser.add_argument(
							    '''--gold_data_path'''    ,			default=_snake_case    ,			type=_snake_case    ,			required=_snake_case    ,			help='''Path to a tab-separated file with gold samples'''    ,			)
							parser.add_argument(
							    '''--gold_data_mode'''    ,			default='''qa'''    ,			type=_snake_case    ,			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=_snake_case    ,			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=_snake_case    ,			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=_snake_case    ,			help='''Number of beams to be used when generating answers'''    ,			)
							parser.add_argument('''--min_length'''    ,			default=1    ,			type=_snake_case    ,			help='''Min length of the generated answers'''				)
							parser.add_argument('''--max_length'''    ,			default=50    ,			type=_snake_case    ,			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 =		parser.parse_args()
							lowerCAmelCase =		torch.device('''cuda''' if torch.cuda.is_available() else '''cpu'''				)
							return args



def    UpperCAmelCase							(  _snake_case				):
							lowerCAmelCase =		{}
							if args.model_type is None:
														lowerCAmelCase =		infer_model_type(args.model_name_or_path				)
														assert args.model_type is not None
							if args.model_type.startswith('''rag'''				):
														lowerCAmelCase =		RagTokenForGeneration if args.model_type == '''rag_token''' else RagSequenceForGeneration
														lowerCAmelCase =		args.n_docs
														if args.index_name is not None:
																					lowerCAmelCase =		args.index_name
														if args.index_path is not None:
																					lowerCAmelCase =		args.index_path
							else:
														lowerCAmelCase =		BartForConditionalGeneration

							lowerCAmelCase =		(
							    [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'''    ,			_snake_case				)

							lowerCAmelCase =		get_scores if args.eval_mode == '''e2e''' else get_precision_at_k
							lowerCAmelCase =		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(_snake_case    ,			args.predictions_path    ,			args.gold_data_path				)
																					continue

														logger.info('''***** Running evaluation for {} *****'''.format(_snake_case				)				)
														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 =		RagRetriever.from_pretrained(_snake_case    ,			**_snake_case				)
																					lowerCAmelCase =		model_class.from_pretrained(_snake_case    ,			retriever=_snake_case    ,			**_snake_case				)
																					model.retriever.init_retrieval()
														else:
																					lowerCAmelCase =		model_class.from_pretrained(_snake_case    ,			**_snake_case				)
														model.to(args.device				)

														with open(args.evaluation_set    ,			'''r'''				) as eval_file, open(args.predictions_path    ,			'''w'''				) as preds_file:
																					lowerCAmelCase =		[]
																					for line in tqdm(_snake_case				):
																												questions.append(line.strip()				)
																												if len(_snake_case				) == args.eval_batch_size:
																																			lowerCAmelCase =		evaluate_batch_fn(_snake_case    ,			_snake_case    ,			_snake_case				)
																																			preds_file.write('''\n'''.join(_snake_case				) + '''\n'''				)
																																			preds_file.flush()
																																			lowerCAmelCase =		[]
																					if len(_snake_case				) > 0:
																												lowerCAmelCase =		evaluate_batch_fn(_snake_case    ,			_snake_case    ,			_snake_case				)
																												preds_file.write('''\n'''.join(_snake_case				)				)
																												preds_file.flush()

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


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










from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_tokenizers_available, is_torch_available


snake_case__   :				Tuple						=	{
    'configuration_realm': ['REALM_PRETRAINED_CONFIG_ARCHIVE_MAP', 'RealmConfig'],
    'tokenization_realm': ['RealmTokenizer'],
}

try:
       if not is_tokenizers_available():
              raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
       pass
else:
       snake_case__   :				Tuple						=	['RealmTokenizerFast']

try:
       if not is_torch_available():
              raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
       pass
else:
       snake_case__   :				str						=	[
           'REALM_PRETRAINED_MODEL_ARCHIVE_LIST',
           'RealmEmbedder',
           'RealmForOpenQA',
           'RealmKnowledgeAugEncoder',
           'RealmPreTrainedModel',
           'RealmReader',
           'RealmScorer',
           'load_tf_weights_in_realm',
       ]
       snake_case__   :				Any						=	['RealmRetriever']


if TYPE_CHECKING:
       from .configuration_realm import REALM_PRETRAINED_CONFIG_ARCHIVE_MAP, RealmConfig
       from .tokenization_realm import RealmTokenizer

       try:
              if not is_tokenizers_available():
                     raise OptionalDependencyNotAvailable()
       except OptionalDependencyNotAvailable:
              pass
       else:
              from .tokenization_realm import RealmTokenizerFast

       try:
              if not is_torch_available():
                     raise OptionalDependencyNotAvailable()
       except OptionalDependencyNotAvailable:
              pass
       else:
              from .modeling_realm import (
                  REALM_PRETRAINED_MODEL_ARCHIVE_LIST,
                  RealmEmbedder,
                  RealmForOpenQA,
                  RealmKnowledgeAugEncoder,
                  RealmPreTrainedModel,
                  RealmReader,
                  RealmScorer,
                  load_tf_weights_in_realm,
              )
              from .retrieval_realm import RealmRetriever


else:
       import sys

       snake_case__   :				Any						=	_LazyModule(__name__, globals()['__file__'], _import_structure, module_spec=__spec__)





