"""simple docstring"""





import importlib
import sys
from argparse import REMAINDER, ArgumentParser
from pathlib import Path

import torch_xla.distributed.xla_multiprocessing as xmp





def 				a_     (      ):





       '''simple docstring'''

       lowercase__			:		Any       =	ArgumentParser(
           description=(
               'PyTorch TPU distributed training launch '
               'helper utility that will spawn up '
               'multiple distributed processes'
           )     )

       # Optional arguments for the launch helper
       parser.add_argument('--num_cores'   , type=_lowerCAmelCase   , default=1   , help='Number of TPU cores to use (1 or 8).'     )

       # positional
       parser.add_argument(
           'training_script'   , type=_lowerCAmelCase   , help=(
               'The full path to the single TPU training '
               'program/script to be launched in parallel, '
               'followed by all the arguments for the '
               'training script'
           )   , )

       # rest from the training program
       parser.add_argument('training_script_args'   , nargs=_lowerCAmelCase     )

       return parser.parse_args()





def 				a_     (      ):





       '''simple docstring'''

       lowercase__			:		Union[str, Any]       =	parse_args()

       # Import training_script as a module.
       lowercase__			:		List[Any]       =	Path(args.training_script     )
       sys.path.append(str(script_fpath.parent.resolve()     )     )
       lowercase__			:		Dict       =	script_fpath.stem
       lowercase__			:		str       =	importlib.import_module(_lowerCAmelCase     )

       # Patch sys.argv
       lowercase__			:		Union[str, Any]       =	[args.training_script] + args.training_script_args + ['--tpu_num_cores', str(args.num_cores     )]
       xmp.spawn(mod._mp_fn   , args=()   , nprocs=args.num_cores     )


if __name__ == "__main__":
       main()






from json import JSONDecodeError  # Workaround for requests.exceptions.JSONDecodeError

import requests





def      __snake_case	(			_UpperCAmelCase = "isbn/0140328726"				):
    __a						       =				olid.strip().strip('''/'''				)  # Remove leading/trailing whitespace & slashes
    if new_olid.count('''/'''				) != 1:
        __a						       =				f'{olid} is not a valid Open Library olid'
        raise ValueError(_UpperCAmelCase				)
    return requests.get(f'https://openlibrary.org/{new_olid}.json'				).json()





def      __snake_case	(			_UpperCAmelCase				):
    __a						       =				{
        '''title''': '''Title''',
        '''publish_date''': '''Publish date''',
        '''authors''': '''Authors''',
        '''number_of_pages''': '''Number of pages:''',
        '''first_sentence''': '''First sentence''',
        '''isbn_10''': '''ISBN (10)''',
        '''isbn_13''': '''ISBN (13)''',
    }
    __a						       =				{better_key: ol_book_data[key] for key, better_key in desired_keys.items()}
    __a						       =				[
        get_openlibrary_data(author['''key''']				)['''name'''] for author in data['''Authors''']
    ]
    __a						       =				data['''First sentence''']['''value''']
    for key, value in data.items():
        if isinstance(_UpperCAmelCase   , _UpperCAmelCase				):
            __a						       =				''', '''.join(_UpperCAmelCase				)
    return data


if __name__ == "__main__":
 import doctest

 doctest.testmod()

 while True:
  __snake_case						:List[Any]      		=     input('''\nEnter the ISBN code to search (or \'quit\' to stop): ''').strip()
  if isbn.lower() in ("", "q", "quit", "exit", "stop"):
   break

  if len(isbn) not in (10, 13) or not isbn.isdigit():
   print(f'Sorry, {isbn} is not a valid ISBN.  Please, input a valid ISBN.')
   continue

  print(f'\nSearching Open Library for ISBN: {isbn}...\n')

  try:
   __snake_case						:Optional[Any]      		=     summarize_book(get_openlibrary_data(f'isbn/{isbn}'))
   print('''\n'''.join(f'{key}: {value}' for key, value in book_summary.items()))
  except JSONDecodeError:  # Workaround for requests.exceptions.RequestException:
   print(f'Sorry, there are no results for ISBN: {isbn}.')





