



"""simple docstring"""




import logging
import os
import sys
from dataclasses import dataclass, field
from typing import List, Optional

import torch
from datasets import Dataset
from torch import nn
from tqdm.auto import tqdm

from transformers import (
    AutoModelForSequenceClassification,
    AutoTokenizer,
    HfArgumentParser,
    Trainer,
    TrainingArguments,
    set_seed,
    utils,
)
from transformers.trainer_utils import get_last_checkpoint, is_main_process


_lowerCAmelCase       :      Dict							=							"\nDistills an NLI-based zero-shot classifier to a smaller, more efficient model with a fixed set of candidate class\nnames. Useful for speeding up zero-shot classification in cases where labeled training data is not available, but\nwhen only a single fixed set of classes is needed. Takes a teacher NLI model, student classifier model, unlabeled\ndataset, and set of K possible class names. Yields a single classifier with K outputs corresponding to the provided\nclass names.\n"

_lowerCAmelCase       :      List[str]							=							logging.getLogger(__name__)






@dataclass
class 			UpperCAmelCase_						:
      __SCREAMING_SNAKE_CASE		:     Optional[str]				  =				field(
          default='roberta-large-mnli' ,    metadata={'help': 'The NLI/zero-shot teacher model to be distilled.'}		)
      __SCREAMING_SNAKE_CASE		:     Optional[str]				  =				field(
          default='This example is {}.' ,    metadata={
              'help': (
                  'Template used to turn class names into mock hypotheses for teacher NLI model. Must include {{}}'
                  'where class name is inserted.'
              )
          } ,    )
      __SCREAMING_SNAKE_CASE		:     Optional[int]				  =				field(
          default=3_2 ,    metadata={'help': 'Batch size for generating teacher predictions.'}		)
      __SCREAMING_SNAKE_CASE		:     Optional[bool]				  =				field(
          default=_UpperCamelCase ,    metadata={
              'help': (
                  'Allow multiple classes to be true rather than forcing them to sum to 1 (sometimes called'
                  'multi-class multi-label classification).'
              )
          } ,    )
      __SCREAMING_SNAKE_CASE		:     Optional[float]				  =				field(
          default=1.0 ,    metadata={'help': 'Temperature applied to teacher softmax for distillation.'}		)







@dataclass
class 			UpperCAmelCase_						:
      __SCREAMING_SNAKE_CASE		:     Optional[str]				  =				field(
          default='distilbert-base-uncased' ,    metadata={'help': 'The NLI/zero-shot teacher model to be distilled.'}		)







@dataclass
class 			UpperCAmelCase_						:
      __SCREAMING_SNAKE_CASE		:     str				  =				field(metadata={'help': 'Text file with one unlabeled instance per line.'}		)
      __SCREAMING_SNAKE_CASE		:     str				  =				field(metadata={'help': 'Text file with one class name per line.'}		)
      __SCREAMING_SNAKE_CASE		:     bool				  =				field(
          default=_UpperCamelCase ,    metadata={'help': 'Whether to use one of the fast tokenizer (backed by the Rust tokenizers library) or not.'} ,    )







@dataclass
class 			UpperCAmelCase_						(       _UpperCamelCase		):
      __SCREAMING_SNAKE_CASE		:     Optional[str]				  =				field(
          default=_UpperCamelCase ,    metadata={'help': 'The output directory where the model predictions and checkpoints will be written.'} ,    )
      __SCREAMING_SNAKE_CASE		:     int				  =				field(
          default=3_2 ,    metadata={'help': 'Batch size per GPU/TPU core/CPU for training.'}		)
      __SCREAMING_SNAKE_CASE		:     int				  =				field(
          default=1_2_8 ,    metadata={'help': 'Batch size per GPU/TPU core/CPU for evaluation.'}		)
      __SCREAMING_SNAKE_CASE		:     float				  =				field(default=1.0 ,    metadata={'help': 'Total number of training epochs to perform.'}		)
      __SCREAMING_SNAKE_CASE		:     bool				  =				field(default=_UpperCamelCase ,    metadata={'help': 'Whether to run training of student model.'}		)
      __SCREAMING_SNAKE_CASE		:     bool				  =				field(
          default=_UpperCamelCase ,    metadata={
              'help': (
                  'Whether to evaluate the agreement of the final student predictions and the teacher predictions'
                  'after training.'
              )
          } ,    )
      __SCREAMING_SNAKE_CASE		:     Optional[int]				  =				field(
          default=0 ,    metadata={
              'help': (
                  'Limit the total amount of checkpoints.'
                  'Deletes the older checkpoints in the output_dir. Default is 0 (no checkpoints).'
              )
          } ,    )







class 			UpperCAmelCase_						(       _UpperCamelCase		):



      def 		snake_case_      (  self  :			Tuple  ,			A  :			Optional[Any]  ,			A  :			str  ,			A  :			str=False		):
           _UpperCAmelCase    :			Dict              =					inputs["labels"]
           _UpperCAmelCase    :			str              =					model(inputs["input_ids"]  ,			attention_mask=inputs["attention_mask"]		)
           _UpperCAmelCase    :			str              =					outputs[0]

           _UpperCAmelCase    :			Optional[Any]              =					-torch.sum(target_p * logits.log_softmax(dim=-1		)  ,			axis=-1		).mean()

           if return_outputs:
                return loss, outputs

           return loss







def 		__snake_case		(   SCREAMING_SNAKE_CASE__			:		List[str]       )						->     Union[str, Any]:





     '''simple docstring'''

     _UpperCAmelCase    :			Dict              =					[]
     with open(SCREAMING_SNAKE_CASE__		,						"r"       ) as f:
          for line in f:
               _UpperCAmelCase    :			Optional[int]              =					line.strip()
               if len(SCREAMING_SNAKE_CASE__       ) > 0:
                    lines.append(SCREAMING_SNAKE_CASE__       )
     return lines

def 		__snake_case		(   SCREAMING_SNAKE_CASE__			:		str		,						SCREAMING_SNAKE_CASE__			:		Dict		,						SCREAMING_SNAKE_CASE__			:		int       )						->     List[str]:





     '''simple docstring'''

     _UpperCAmelCase    :			Any              =					[]
     _UpperCAmelCase    :			Dict              =					[]
     for example in examples:
          for name in class_names:
               premises.append(SCREAMING_SNAKE_CASE__       )
               hypotheses.append(hypothesis_template.format(SCREAMING_SNAKE_CASE__       )       )
     return premises, hypotheses

def 		__snake_case		(   SCREAMING_SNAKE_CASE__			:		List[Any]       )						->     List[str]:





     '''simple docstring'''

     for label, ind in config.labelaid.items():
          if label.lower().startswith("entail"       ):
               return ind
     logger.warning("Could not identify entailment dimension from teacher config label2id. Setting to -1."       )
     return -1

def 		__snake_case		(   SCREAMING_SNAKE_CASE__			:		str		,						SCREAMING_SNAKE_CASE__			:		List[str]		,						SCREAMING_SNAKE_CASE__			:		List[str]		,						SCREAMING_SNAKE_CASE__			:		str		,						SCREAMING_SNAKE_CASE__			:		int		,						SCREAMING_SNAKE_CASE__			:		float		,						SCREAMING_SNAKE_CASE__			:		bool		,						SCREAMING_SNAKE_CASE__			:		bool		,						SCREAMING_SNAKE_CASE__			:		bool		,						SCREAMING_SNAKE_CASE__			:		bool		,						)						->     Optional[Any]:





     '''simple docstring'''

     _UpperCAmelCase    :			Optional[Any]              =					AutoModelForSequenceClassification.from_pretrained(SCREAMING_SNAKE_CASE__       )
     _UpperCAmelCase    :			Optional[Any]              =					model.config
     if not no_cuda and torch.cuda.is_available():
          _UpperCAmelCase    :			Any              =					nn.DataParallel(model.cuda()       )
          batch_size *= len(model.device_ids       )
     _UpperCAmelCase    :			List[Any]              =					AutoTokenizer.from_pretrained(SCREAMING_SNAKE_CASE__		,						use_fast=SCREAMING_SNAKE_CASE__       )

     _UpperCAmelCase       , _UpperCAmelCase    :			Union[str, Any]              =					get_premise_hypothesis_pairs(SCREAMING_SNAKE_CASE__		,						SCREAMING_SNAKE_CASE__		,						SCREAMING_SNAKE_CASE__       )
     _UpperCAmelCase    :			List[str]              =					[]

     for i in tqdm(range(0		,						len(SCREAMING_SNAKE_CASE__       )		,						SCREAMING_SNAKE_CASE__       )       ):
          _UpperCAmelCase    :			List[Any]              =					premises[i : i + batch_size]
          _UpperCAmelCase    :			Optional[int]              =					hypotheses[i : i + batch_size]

          _UpperCAmelCase    :			Optional[int]              =					tokenizer(
              SCREAMING_SNAKE_CASE__		,						SCREAMING_SNAKE_CASE__		,						padding=SCREAMING_SNAKE_CASE__		,						truncation="only_first"		,						return_tensors="pt"		,						)

          with torch.cuda.amp.autocast(enabled=SCREAMING_SNAKE_CASE__       ):
               with torch.no_grad():
                    _UpperCAmelCase    :			Dict              =					model(**SCREAMING_SNAKE_CASE__       )
          logits.append(outputs.logits.detach().cpu().float()       )

     _UpperCAmelCase    :			Tuple              =					get_entailment_id(SCREAMING_SNAKE_CASE__       )
     _UpperCAmelCase    :			str              =					-1 if entail_id == 0 else 0
     _UpperCAmelCase    :			Tuple              =					torch.cat(SCREAMING_SNAKE_CASE__		,						dim=0       )  # N*K x 3
     _UpperCAmelCase    :			List[Any]              =					logits.reshape(len(SCREAMING_SNAKE_CASE__       )		,						len(SCREAMING_SNAKE_CASE__       )		,						-1       )[..., [contr_id, entail_id]]  # N x K x 2

     if multi_label:
          # softmax over (contr, entail) logits for each class independently
          _UpperCAmelCase    :			Optional[Any]              =					(nli_logits / temperature).softmax(-1       )
     else:
          # softmax over entail logits across classes s.t. class probabilities sum to 1.
          _UpperCAmelCase    :			str              =					(nli_logits / temperature).softmax(1       )

     return nli_prob[..., 1]  # N x K

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





     '''simple docstring'''

     _UpperCAmelCase    :			int              =					HfArgumentParser(
         (DataTrainingArguments, TeacherModelArguments, StudentModelArguments, DistillTrainingArguments)		,						description=SCREAMING_SNAKE_CASE__		,						)

     if len(sys.argv       ) == 2 and sys.argv[1].endswith(".json"       ):
          # If we pass only one argument to the script and it's the path to a json file,
          # let's parse it to get our arguments.
          _UpperCAmelCase       , _UpperCAmelCase       , _UpperCAmelCase       , _UpperCAmelCase    :			str              =					parser.parse_json_file(
              json_file=os.path.abspath(sys.argv[1]       )       )
     else:
          _UpperCAmelCase       , _UpperCAmelCase       , _UpperCAmelCase       , _UpperCAmelCase    :			Optional[int]              =					parser.parse_args_into_dataclasses()

     # Detecting last checkpoint.
     _UpperCAmelCase    :			List[Any]              =					None
     if os.path.isdir(training_args.output_dir       ) and training_args.do_train and not training_args.overwrite_output_dir:
          _UpperCAmelCase    :			List[Any]              =					get_last_checkpoint(training_args.output_dir       )
          if last_checkpoint is None and len(os.listdir(training_args.output_dir       )       ) > 0:
               raise ValueError(
                   f'Output directory ({training_args.output_dir}) already exists and is not empty. '
                   "Use --overwrite_output_dir to overcome."       )
          elif last_checkpoint is not None:
               logger.info(
                   f'Checkpoint detected, resuming training at {last_checkpoint}. To avoid this behavior, change '
                   "the `--output_dir` or add `--overwrite_output_dir` to train from scratch."       )

    # Setup logging
     logging.basicConfig(
         format="%(asctime)s - %(levelname)s - %(name)s - %(message)s"		,						datefmt="%m/%d/%Y %H:%M:%S"		,						handlers=[logging.StreamHandler(sys.stdout       )]		,						)
     logger.setLevel(logging.INFO if is_main_process(training_args.local_rank       ) else logging.WARN       )

     # Log on each process the small summary:
     logger.warning(
         f'Process rank: {training_args.local_rank}, device: {training_args.device}, n_gpu: {training_args.n_gpu}'
         + f'distributed training: {bool(training_args.local_rank != -1       )}, 16-bits training: {training_args.fpaa}'       )
     # Set the verbosity to info of the Transformers logger (on main process only):
     if is_main_process(training_args.local_rank       ):
          utils.logging.set_verbosity_info()
          utils.logging.enable_default_handler()
          utils.logging.enable_explicit_format()

     if training_args.local_rank != -1:
          raise ValueError("Distributed training is not currently supported."       )
     if training_args.tpu_num_cores is not None:
          raise ValueError("TPU acceleration is not currently supported."       )

     logger.info(f'Training/evaluation parameters {training_args}'       )

     # Set seed before initializing model.
     set_seed(training_args.seed       )

     # 1. read in data
     _UpperCAmelCase    :			List[Any]              =					read_lines(data_args.data_file       )
     _UpperCAmelCase    :			Any              =					read_lines(data_args.class_names_file       )

     # 2. get teacher predictions and load into dataset
     logger.info("Generating predictions from zero-shot teacher model"       )
     _UpperCAmelCase    :			List[str]              =					get_teacher_predictions(
         teacher_args.teacher_name_or_path		,						SCREAMING_SNAKE_CASE__		,						SCREAMING_SNAKE_CASE__		,						teacher_args.hypothesis_template		,						teacher_args.teacher_batch_size		,						teacher_args.temperature		,						teacher_args.multi_label		,						data_args.use_fast_tokenizer		,						training_args.no_cuda		,						training_args.fpaa		,						)
     _UpperCAmelCase    :			Optional[Any]              =					Dataset.from_dict(
         {
             "text": examples,
             "labels": teacher_soft_preds,
         }       )

     # 3. create student
     logger.info("Initializing student model"       )
     _UpperCAmelCase    :			Any              =					AutoModelForSequenceClassification.from_pretrained(
         student_args.student_name_or_path		,						num_labels=len(SCREAMING_SNAKE_CASE__       )       )
     _UpperCAmelCase    :			Tuple              =					AutoTokenizer.from_pretrained(student_args.student_name_or_path		,						use_fast=data_args.use_fast_tokenizer       )
     _UpperCAmelCase    :			List[str]              =					dict(enumerate(SCREAMING_SNAKE_CASE__       )       )
     _UpperCAmelCase    :			Tuple              =					{label: i for i, label in enumerate(SCREAMING_SNAKE_CASE__       )}

     # 4. train student on teacher predictions
     _UpperCAmelCase    :			Optional[Any]              =					dataset.map(SCREAMING_SNAKE_CASE__		,						input_columns="text"       )
     dataset.set_format("torch"       )

     def compute_metrics(SCREAMING_SNAKE_CASE__			:		Tuple		,						SCREAMING_SNAKE_CASE__			:		Any=False       ):
          _UpperCAmelCase    :			List[Any]              =					p.predictions.argmax(-1       )
          _UpperCAmelCase    :			Optional[int]              =					p.label_ids.argmax(-1       )  # "label_ids" are actually distributions
          return {"agreement": (preds == proxy_labels).mean().item()}

     _UpperCAmelCase    :			Union[str, Any]              =					DistillationTrainer(
         model=SCREAMING_SNAKE_CASE__		,						tokenizer=SCREAMING_SNAKE_CASE__		,						args=SCREAMING_SNAKE_CASE__		,						train_dataset=SCREAMING_SNAKE_CASE__		,						compute_metrics=SCREAMING_SNAKE_CASE__		,						)

     if training_args.do_train:
          logger.info("Training student model on teacher predictions"       )
          trainer.train()

     if training_args.do_eval:
          _UpperCAmelCase    :			Union[str, Any]              =					trainer.evaluate(eval_dataset=SCREAMING_SNAKE_CASE__       )["eval_agreement"]
          logger.info(f'Agreement of student and teacher predictions: {agreement * 100:0.2f}%'       )

     trainer.save_model()


if __name__ == "__main__":
 main()





"""simple docstring"""




import argparse
import json
import re
import string
import sys
from collections import Counter

def 		__snake_case		(   SCREAMING_SNAKE_CASE__			:		Optional[int]       )						->     Union[str, Any]:





     '''simple docstring'''

     def remove_articles(SCREAMING_SNAKE_CASE__			:		Tuple       ):
          return re.sub(R"\b(a|an|the)\b"		,						" "		,						SCREAMING_SNAKE_CASE__       )

     def white_space_fix(SCREAMING_SNAKE_CASE__			:		Any       ):
          return " ".join(text.split()       )

     def remove_punc(SCREAMING_SNAKE_CASE__			:		Optional[int]       ):
          _UpperCAmelCase    :			List[str]              =					set(string.punctuation       )
          return "".join(ch for ch in text if ch not in exclude       )

     def lower(SCREAMING_SNAKE_CASE__			:		List[str]       ):
          return text.lower()

     return white_space_fix(remove_articles(remove_punc(lower(SCREAMING_SNAKE_CASE__       )       )       )       )

def 		__snake_case		(   SCREAMING_SNAKE_CASE__			:		Union[str, Any]		,						SCREAMING_SNAKE_CASE__			:		str       )						->     Dict:





     '''simple docstring'''

     _UpperCAmelCase    :			List[Any]              =					normalize_answer(SCREAMING_SNAKE_CASE__       ).split()
     _UpperCAmelCase    :			Tuple              =					normalize_answer(SCREAMING_SNAKE_CASE__       ).split()
     _UpperCAmelCase    :			List[Any]              =					Counter(SCREAMING_SNAKE_CASE__       ) & Counter(SCREAMING_SNAKE_CASE__       )
     _UpperCAmelCase    :			List[str]              =					sum(common.values()       )
     if num_same == 0:
          return 0
     _UpperCAmelCase    :			Union[str, Any]              =					1.0 * num_same / len(SCREAMING_SNAKE_CASE__       )
     _UpperCAmelCase    :			Union[str, Any]              =					1.0 * num_same / len(SCREAMING_SNAKE_CASE__       )
     _UpperCAmelCase    :			Union[str, Any]              =					(2 * precision * recall) / (precision + recall)
     return fa

def 		__snake_case		(   SCREAMING_SNAKE_CASE__			:		Union[str, Any]		,						SCREAMING_SNAKE_CASE__			:		Dict       )						->     str:





     '''simple docstring'''

     return normalize_answer(SCREAMING_SNAKE_CASE__       ) == normalize_answer(SCREAMING_SNAKE_CASE__       )

def 		__snake_case		(   SCREAMING_SNAKE_CASE__			:		List[Any]		,						SCREAMING_SNAKE_CASE__			:		Dict		,						SCREAMING_SNAKE_CASE__			:		Optional[Any]       )						->     str:





     '''simple docstring'''

     _UpperCAmelCase    :			int              =					[]
     for ground_truth in ground_truths:
          _UpperCAmelCase    :			Dict              =					metric_fn(SCREAMING_SNAKE_CASE__		,						SCREAMING_SNAKE_CASE__       )
          scores_for_ground_truths.append(SCREAMING_SNAKE_CASE__       )
     return max(SCREAMING_SNAKE_CASE__       )

def 		__snake_case		(   SCREAMING_SNAKE_CASE__			:		Optional[int]		,						SCREAMING_SNAKE_CASE__			:		Any       )						->     Tuple:





     '''simple docstring'''

     _UpperCAmelCase    :			str              =					0
     _UpperCAmelCase    :			int              =					[]
     for passage in dataset:
          for qa in passage["qas"]:
               total += 1
               if qa["id"] not in predictions:
                    _UpperCAmelCase    :			List[Any]              =					f'Unanswered question {qa["id"]} will receive score 0.'
                    print(SCREAMING_SNAKE_CASE__		,						file=sys.stderr       )
                    continue

               _UpperCAmelCase    :			Union[str, Any]              =					[x["text"] for x in qa["answers"]]
               _UpperCAmelCase    :			Optional[int]              =					predictions[qa["id"]]

               _UpperCAmelCase    :			int              =					metric_max_over_ground_truths(SCREAMING_SNAKE_CASE__		,						SCREAMING_SNAKE_CASE__		,						SCREAMING_SNAKE_CASE__       )
               if int(_exact_match       ) == 1:
                    correct_ids.append(qa["id"]       )
               exact_match += _exact_match

               fa += metric_max_over_ground_truths(SCREAMING_SNAKE_CASE__		,						SCREAMING_SNAKE_CASE__		,						SCREAMING_SNAKE_CASE__       )

     _UpperCAmelCase    :			List[str]              =					exact_match / total
     _UpperCAmelCase    :			str              =					fa / total

     return {"exact_match": exact_match, "f1": fa}, correct_ids


if __name__ == "__main__":
 _lowerCAmelCase       :      Any							=							"1.0"
 _lowerCAmelCase       :      Any							=							argparse.ArgumentParser("Official evaluation script for ReCoRD v1.0.")
 parser.add_argument("data_file", help="The dataset file in JSON format.")
 parser.add_argument("pred_file", help="The model prediction file in JSON format.")
 parser.add_argument("--output_correct_ids", action="store_true", help="Output the correctly answered query IDs.")
 _lowerCAmelCase       :      Tuple							=							parser.parse_args()

 with open(args.data_file) as data_file:
  _lowerCAmelCase       :      int							=							json.load(data_file)
  if dataset_json["version"] != expected_version:
   print(
       F"Evaluation expects v-{expected_version}, but got dataset with v-{dataset_json['version']}",
       file=sys.stderr,
   )
  _lowerCAmelCase       :      List[str]							=							dataset_json["data"]

 with open(args.pred_file) as pred_file:
  _lowerCAmelCase       :      str							=							json.load(pred_file)

 _lowerCAmelCase,		_lowerCAmelCase       :      List[Any]							=							evaluate(dataset, predictions)

 if args.output_correct_ids:
  print(F"Output {len(correct_ids)} correctly answered question IDs.")
  with open("correct_ids.json", "w") as f:
   json.dump(correct_ids, f)
