






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


_a       =    getLogger(__name__)


_a       =    '''cuda''' if torch.cuda.is_available() else '''cpu'''


def __A       ( __lowerCAmelCase					,						__lowerCAmelCase					,						__lowerCAmelCase					,						__lowerCAmelCase = 8					,						__lowerCAmelCase = DEFAULT_DEVICE					,						__lowerCAmelCase=False					,						__lowerCAmelCase="summarization"					,						__lowerCAmelCase=None					,						**__lowerCAmelCase					,						)->    Dict:





						"""simple docstring"""



						_UpperCAmelCase							   =     Path(__lowerCAmelCase      ).open('w'					,						encoding='utf-8'      )
						_UpperCAmelCase							   =     str(__lowerCAmelCase      )
						_UpperCAmelCase							   =     AutoModelForSeqaSeqLM.from_pretrained(__lowerCAmelCase      ).to(__lowerCAmelCase      )
						if fpaa:
												_UpperCAmelCase							   =     model.half()

						_UpperCAmelCase							   =     AutoTokenizer.from_pretrained(__lowerCAmelCase      )
						logger.info(F"""Inferred tokenizer type: {tokenizer.__class__}"""      )  # if this is wrong, check config.model_type.

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


def __A       ( )->    Dict:





						"""simple docstring"""



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


def __A       ( __lowerCAmelCase=True      )->    Dict:





						"""simple docstring"""



						_UpperCAmelCase							   =     argparse.ArgumentParser()
						parser.add_argument('model_name'					,						type=__lowerCAmelCase					,						help='like facebook/bart-large-cnn,t5-base, etc.'      )
						parser.add_argument('input_path'					,						type=__lowerCAmelCase					,						help='like cnn_dm/test.source'      )
						parser.add_argument('save_path'					,						type=__lowerCAmelCase					,						help='where to save summaries'      )
						parser.add_argument('--reference_path'					,						type=__lowerCAmelCase					,						required=__lowerCAmelCase					,						help='like cnn_dm/test.target'      )
						parser.add_argument('--score_path'					,						type=__lowerCAmelCase					,						required=__lowerCAmelCase					,						default='metrics.json'					,						help='where to save metrics'      )
						parser.add_argument('--device'					,						type=__lowerCAmelCase					,						required=__lowerCAmelCase					,						default=__lowerCAmelCase					,						help='cuda, cuda:1, cpu etc.'      )
						parser.add_argument(
						    '--prefix'					,						type=__lowerCAmelCase					,						required=__lowerCAmelCase					,						default=__lowerCAmelCase					,						help='will be added to the begininng of src examples'      )
						parser.add_argument('--task'					,						type=__lowerCAmelCase					,						default='summarization'					,						help='used for task_specific_params + metrics'      )
						parser.add_argument('--bs'					,						type=__lowerCAmelCase					,						default=8					,						required=__lowerCAmelCase					,						help='batch size'      )
						parser.add_argument(
						    '--n_obs'					,						type=__lowerCAmelCase					,						default=-1					,						required=__lowerCAmelCase					,						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=__lowerCAmelCase					,						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
						_UpperCAmelCase   ,					_UpperCAmelCase							   =     parser.parse_known_args()
						_UpperCAmelCase							   =     parse_numeric_n_bool_cl_kwargs(__lowerCAmelCase      )
						if parsed_args and verbose:
												print(F"""parsed the following generate kwargs: {parsed_args}"""      )
						with open(args.input_path      ) as f:
												_UpperCAmelCase							   =     [' ' + x.rstrip() if 't5' in args.model_name else x.rstrip() for x in f.readlines()]
						if args.n_obs > 0:
												_UpperCAmelCase							   =     examples[: args.n_obs]
						Path(args.save_path      ).parent.mkdir(exist_ok=__lowerCAmelCase      )
						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."""      )
						_UpperCAmelCase							   =     generate_summaries_or_translations(
						    __lowerCAmelCase					,						args.save_path					,						args.model_name					,						batch_size=args.bs					,						device=args.device					,						fpaa=args.fpaa					,						task=args.task					,						prefix=args.prefix					,						**__lowerCAmelCase					,						)

						if args.reference_path is None:
												return {}

						# Compute scores
						_UpperCAmelCase							   =     calculate_bleu if 'translation' in args.task else calculate_rouge
						_UpperCAmelCase							   =     [x.rstrip() for x in open(args.save_path      ).readlines()]
						_UpperCAmelCase							   =     [x.rstrip() for x in open(args.reference_path      ).readlines()][: len(__lowerCAmelCase      )]
						_UpperCAmelCase							   =     score_fn(__lowerCAmelCase					,						__lowerCAmelCase      )
						scores.update(__lowerCAmelCase      )

						if args.dump_args:
												scores.update(__lowerCAmelCase      )
						if args.info:
												_UpperCAmelCase							   =     args.info

						if verbose:
												print(__lowerCAmelCase      )

						if args.score_path is not None:
												json.dump(__lowerCAmelCase					,						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 __future__ import annotations


def __A       ( __lowerCAmelCase					,						__lowerCAmelCase					,						__lowerCAmelCase					,						)->    list[float | int]:





						"""simple docstring"""



						if not all((nth_term, start_term_a, common_ratio_r)      ):
												return []
						_UpperCAmelCase							   =     []
						_UpperCAmelCase							   =     1
						_UpperCAmelCase							   =     common_ratio_r
						for _ in range(int(__lowerCAmelCase      )      ):
												if not series:
																		series.append(__lowerCAmelCase      )
												else:
																		power += 1
																		series.append(float(start_term_a * multiple      )      )
																		_UpperCAmelCase							   =     pow(float(__lowerCAmelCase      )					,						__lowerCAmelCase      )
						return series


if __name__ == "__main__":
		import doctest

		doctest.testmod()

		_a       =    float(input('''Enter the last number (n term) of the Geometric Series'''))
		_a       =    float(input('''Enter the starting term (a) of the Geometric Series'''))
		_a       =    float(
		    input('''Enter the common ratio between two terms (r) of the Geometric Series''')
		)
		print('''Formula of Geometric Series => a + ar + ar^2 ... +ar^n''')
		print(geometric_series(nth_term, start_term_a, common_ratio_r))
