

import argparse
import datetime
import json
import time
import warnings
from logging import getLogger
from pathlib import Path
from typing import Dict, List

import torch
from tqdm import tqdm

from transformers import AutoModelForSeqaSeqLM, AutoTokenizer
from utils import calculate_bleu, calculate_rouge, chunks, parse_numeric_n_bool_cl_kwargs, use_task_specific_params


__snake_case							:			Union[str, Any]      		= getLogger(__name__)


__snake_case							:			Optional[Any]      		= """cuda""" if torch.cuda.is_available() else """cpu"""


def 				_UpperCAmelCase							(	a__     ,  a__     ,  a__     ,  a__ = 8     ,  a__ = DEFAULT_DEVICE     ,  a__=False     ,  a__="summarization"     ,  a__=None     ,  **a__     ,  ):

			'''simple docstring'''



			a_	:	List[Any]          =   Path(a__).open("""w"""     ,  encoding="""utf-8""")
			a_	:	Optional[int]          =   str(a__)
			a_	:	Dict          =   AutoModelForSeqaSeqLM.from_pretrained(a__).to(a__)
			if fpaa:
						a_	:	List[Any]          =   model.half()

			a_	:	str          =   AutoTokenizer.from_pretrained(a__)
			logger.info(f'''Inferred tokenizer type: {tokenizer.__class__}''')  # if this is wrong, check config.model_type.

			a_	:	Tuple          =   time.time()
			# update config with task specific params
			use_task_specific_params(a__     ,  a__)
			if prefix is None:
						a_	:	int          =   prefix or getattr(model.config     ,  """prefix"""     ,  """""") or """"""
			for examples_chunk in tqdm(list(chunks(a__     ,  a__))):
						a_	:	Union[str, Any]          =   [prefix + text for text in examples_chunk]
						a_	:	str          =   tokenizer(a__     ,  return_tensors="""pt"""     ,  truncation=a__     ,  padding="""longest""").to(a__)
						a_	:	Dict          =   model.generate(
						    input_ids=batch.input_ids     ,  attention_mask=batch.attention_mask     ,  **a__     ,  )
						a_	:	Optional[int]          =   tokenizer.batch_decode(a__     ,  skip_special_tokens=a__     ,  clean_up_tokenization_spaces=a__)
						for hypothesis in dec:
									fout.write(hypothesis + """\n""")
									fout.flush()
			fout.close()
			a_	:	Optional[int]          =   int(time.time() - start_time)  # seconds
			a_	:	str          =   len(a__)
			return {"n_obs": n_obs, "runtime": runtime, "seconds_per_sample": round(runtime / n_obs     ,  4)}


def 				_UpperCAmelCase							(	):

			'''simple docstring'''



			return datetime.datetime.now().strftime("""%Y-%m-%d %H:%M:%S""")


def 				_UpperCAmelCase							(	a__=True):

			'''simple docstring'''



			a_	:	Any          =   argparse.ArgumentParser()
			parser.add_argument("""model_name"""     ,  type=a__     ,  help="""like facebook/bart-large-cnn,t5-base, etc.""")
			parser.add_argument("""input_path"""     ,  type=a__     ,  help="""like cnn_dm/test.source""")
			parser.add_argument("""save_path"""     ,  type=a__     ,  help="""where to save summaries""")
			parser.add_argument("""--reference_path"""     ,  type=a__     ,  required=a__     ,  help="""like cnn_dm/test.target""")
			parser.add_argument("""--score_path"""     ,  type=a__     ,  required=a__     ,  default="""metrics.json"""     ,  help="""where to save metrics""")
			parser.add_argument("""--device"""     ,  type=a__     ,  required=a__     ,  default=a__     ,  help="""cuda, cuda:1, cpu etc.""")
			parser.add_argument(
			    """--prefix"""     ,  type=a__     ,  required=a__     ,  default=a__     ,  help="""will be added to the begininng of src examples""")
			parser.add_argument("""--task"""     ,  type=a__     ,  default="""summarization"""     ,  help="""used for task_specific_params + metrics""")
			parser.add_argument("""--bs"""     ,  type=a__     ,  default=8     ,  required=a__     ,  help="""batch size""")
			parser.add_argument(
			    """--n_obs"""     ,  type=a__     ,  default=-1     ,  required=a__     ,  help="""How many observations. Defaults to all.""")
			parser.add_argument("""--fp16"""     ,  action="""store_true""")
			parser.add_argument("""--dump-args"""     ,  action="""store_true"""     ,  help="""print the custom hparams with the results""")
			parser.add_argument(
			    """--info"""     ,  nargs="""?"""     ,  type=a__     ,  const=datetime_now()     ,  help=(
			        """use in conjunction w/ --dump-args to print with the results whatever other info you'd like, e.g."""
			        """ lang=en-ru. If no value is passed, the current datetime string will be used."""
			    )     ,  )
			# Unspecified args like --num_beams=2 --decoder_start_token_id=4 are passed to model.generate
			a_       ,				a_	:	int          =   parser.parse_known_args()
			a_	:	List[Any]          =   parse_numeric_n_bool_cl_kwargs(a__)
			if parsed_args and verbose:
						print(f'''parsed the following generate kwargs: {parsed_args}''')
			with open(args.input_path) as f:
						a_	:	Tuple          =   [""" """ + x.rstrip() if """t5""" in args.model_name else x.rstrip() for x in f.readlines()]
			if args.n_obs > 0:
						a_	:	Optional[Any]          =   examples[: args.n_obs]
			Path(args.save_path).parent.mkdir(exist_ok=a__)
			if args.reference_path is None and Path(args.score_path).exists():
						warnings.warn(f'''score_path {args.score_path} will be overwritten unless you type ctrl-c.''')
			a_	:	List[Any]          =   generate_summaries_or_translations(
			    a__     ,  args.save_path     ,  args.model_name     ,  batch_size=args.bs     ,  device=args.device     ,  fpaa=args.fpaa     ,  task=args.task     ,  prefix=args.prefix     ,  **a__     ,  )

			if args.reference_path is None:
						return {}

			# Compute scores
			a_	:	Optional[int]          =   calculate_bleu if """translation""" in args.task else calculate_rouge
			a_	:	Tuple          =   [x.rstrip() for x in open(args.save_path).readlines()]
			a_	:	Dict          =   [x.rstrip() for x in open(args.reference_path).readlines()][: len(a__)]
			a_	:	dict          =   score_fn(a__     ,  a__)
			scores.update(a__)

			if args.dump_args:
						scores.update(a__)
			if args.info:
						a_	:	Any          =   args.info

			if verbose:
						print(a__)

			if args.score_path is not None:
						json.dump(a__     ,  open(args.score_path     ,  """w"""))

			return scores


if __name__ == "__main__":
	# Usage for MT:
	# python run_eval.py MODEL_NAME $DATA_DIR/test.source $save_dir/test_translations.txt --reference_path $DATA_DIR/test.target --score_path $save_dir/test_bleu.json  --task translation $@
	run_generate(verbose=True)





from collections import defaultdict


def 				_UpperCAmelCase							(	a__):

			'''simple docstring'''



			a_	:	defaultdict[str, int]          =   defaultdict(a__)
			# Creating a dictionary containing count of each word
			for word in sentence.split():
						occurrence[word] += 1
			return occurrence


if __name__ == "__main__":
	for word, count in word_occurrence("""INPUT STRING""").items():
		print(F"""{word}: {count}""")


