


'''simple docstring'''

import multiprocessing
import os
from typing import BinaryIO, Optional, Union

from .. import Dataset, Features, NamedSplit, config
from ..formatting import query_table
from ..packaged_modules.csv.csv import Csv
from ..utils import logging
from ..utils.typing import NestedDataStructureLike, PathLike
from .abc import AbstractDatasetReader







class        UpperCAmelCase       (				__lowerCAmelCase):

 def __init__(       self       :		List[str],    a_       :		Union[str, Any],    a_       :		int = None,    a_       :		Any = None,    a_       :		Any = None,    a_       :		List[str] = False,    a_       :		List[Any] = False,    a_       :		Dict = None,    **a_       :		Any,    ):





    """simple docstring"""



    super().__init__(
        __SCREAMING_SNAKE_CASE,    split=__SCREAMING_SNAKE_CASE,    features=__SCREAMING_SNAKE_CASE,    cache_dir=__SCREAMING_SNAKE_CASE,    keep_in_memory=__SCREAMING_SNAKE_CASE,    streaming=__SCREAMING_SNAKE_CASE,    num_proc=__SCREAMING_SNAKE_CASE,    **__SCREAMING_SNAKE_CASE,    )
    UpperCamelCase__         =  path_or_paths if isinstance(__SCREAMING_SNAKE_CASE,    __SCREAMING_SNAKE_CASE    ) else {self.split: path_or_paths}
    UpperCamelCase__         =  Csv(
        cache_dir=__SCREAMING_SNAKE_CASE,    data_files=__SCREAMING_SNAKE_CASE,    features=__SCREAMING_SNAKE_CASE,    **__SCREAMING_SNAKE_CASE,    )

 def 						lowercase_  (       self       :		int    ):





    """simple docstring"""



    if self.streaming:
       UpperCamelCase__         =  self.builder.as_streaming_dataset(split=self.split    )
    # Build regular (map-style) dataset
    else:
       UpperCamelCase__         =  None
       UpperCamelCase__         =  None
       UpperCamelCase__         =  None
       UpperCamelCase__         =  None

       self.builder.download_and_prepare(
           download_config=__SCREAMING_SNAKE_CASE,    download_mode=__SCREAMING_SNAKE_CASE,    verification_mode=__SCREAMING_SNAKE_CASE,    base_path=__SCREAMING_SNAKE_CASE,    num_proc=self.num_proc,    )
       UpperCamelCase__         =  self.builder.as_dataset(
           split=self.split,    verification_mode=__SCREAMING_SNAKE_CASE,    in_memory=self.keep_in_memory    )
    return dataset







class        UpperCAmelCase       :

 def __init__(       self       :		Tuple,    a_       :		List[Any],    a_       :		str,    a_       :		Tuple = None,    a_       :		int = None,    **a_       :		Optional[int],    ):





    """simple docstring"""



    if num_proc is not None and num_proc <= 0:
       raise ValueError(f'num_proc {num_proc} must be an integer > 0.'    )

    UpperCamelCase__         =  dataset
    UpperCamelCase__         =  path_or_buf
    UpperCamelCase__         =  batch_size if batch_size else config.DEFAULT_MAX_BATCH_SIZE
    UpperCamelCase__         =  num_proc
    UpperCamelCase__         =  "utf-8"
    UpperCamelCase__         =  to_csv_kwargs

 def 						lowercase_  (       self       :		Optional[int]    ):





    """simple docstring"""



    UpperCamelCase__         =  self.to_csv_kwargs.pop("path_or_buf",    __SCREAMING_SNAKE_CASE    )
    UpperCamelCase__         =  self.to_csv_kwargs.pop("header",    __SCREAMING_SNAKE_CASE    )
    UpperCamelCase__         =  self.to_csv_kwargs.pop("index",    __SCREAMING_SNAKE_CASE    )

    if isinstance(self.path_or_buf,    (str, bytes, os.PathLike)    ):
       with open(self.path_or_buf,    "wb+"    ) as buffer:
          UpperCamelCase__         =  self._write(file_obj=__SCREAMING_SNAKE_CASE,    header=__SCREAMING_SNAKE_CASE,    index=__SCREAMING_SNAKE_CASE,    **self.to_csv_kwargs    )
    else:
       UpperCamelCase__         =  self._write(file_obj=self.path_or_buf,    header=__SCREAMING_SNAKE_CASE,    index=__SCREAMING_SNAKE_CASE,    **self.to_csv_kwargs    )
    return written

 def 						lowercase_  (       self       :		int,    a_       :		int    ):





    """simple docstring"""



    UpperCamelCase__  ,						UpperCamelCase__  ,						UpperCamelCase__  ,						UpperCamelCase__         =  args

    UpperCamelCase__         =  query_table(
        table=self.dataset.data,    key=slice(__SCREAMING_SNAKE_CASE,    offset + self.batch_size    ),    indices=self.dataset._indices,    )
    UpperCamelCase__         =  batch.to_pandas().to_csv(
        path_or_buf=__SCREAMING_SNAKE_CASE,    header=header if (offset == 0) else False,    index=__SCREAMING_SNAKE_CASE,    **__SCREAMING_SNAKE_CASE    )
    return csv_str.encode(self.encoding    )

 def 						lowercase_  (       self       :		Dict,    a_       :		Any,    a_       :		Optional[Any],    a_       :		Dict,    **a_       :		Dict    ):





    """simple docstring"""



    UpperCamelCase__         =  0

    if self.num_proc is None or self.num_proc == 1:
       for offset in logging.tqdm(
           range(0,    len(self.dataset    ),    self.batch_size    ),    unit="ba",    disable=not logging.is_progress_bar_enabled(),    desc="Creating CSV from Arrow format",    ):
          UpperCamelCase__         =  self._batch_csv((offset, header, index, to_csv_kwargs)    )
          written += file_obj.write(__SCREAMING_SNAKE_CASE    )

    else:
       UpperCamelCase__  ,						UpperCamelCase__         =  len(self.dataset    ), self.batch_size
       with multiprocessing.Pool(self.num_proc    ) as pool:
          for csv_str in logging.tqdm(
              pool.imap(
                  self._batch_csv,    [(offset, header, index, to_csv_kwargs) for offset in range(0,    __SCREAMING_SNAKE_CASE,    __SCREAMING_SNAKE_CASE    )],    ),    total=(num_rows // batch_size) + 1 if num_rows % batch_size else num_rows // batch_size,    unit="ba",    disable=not logging.is_progress_bar_enabled(),    desc="Creating CSV from Arrow format",    ):
             written += file_obj.write(__SCREAMING_SNAKE_CASE    )

    return written






"""simple docstring"""


import random
import sys

from . import cryptomath_module as cryptomath

a__    :   int    						= (
    r""" !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`"""
    r"""abcdefghijklmnopqrstuvwxyz{|}~"""
)





def 							a__	(     _UpperCAmelCase		,   _UpperCAmelCase		,   _UpperCAmelCase		)			->     None:

 '''simple docstring'''






 if mode == "encrypt":
  if key_a == 1:
   sys.exit(
       "The affine cipher becomes weak when key "
       "A is set to 1. Choose different key"		)
  if key_b == 0:
   sys.exit(
       "The affine cipher becomes weak when key "
       "B is set to 0. Choose different key"		)
 if key_a < 0 or key_b < 0 or key_b > len(_UpperCAmelCase		) - 1:
  sys.exit(
      "Key A must be greater than 0 and key B must "
      f"be between 0 and {len(_UpperCAmelCase		) - 1}."		)
 if cryptomath.gcd(_UpperCAmelCase		,   len(_UpperCAmelCase		)		) != 1:
  sys.exit(
      f"Key A {key_a} and the symbol set size {len(_UpperCAmelCase		)} "
      "are not relatively prime. Choose a different key."		)





def 							a__	(     _UpperCAmelCase		,   _UpperCAmelCase		)			->     str:

 '''simple docstring'''






 snake_case__							,      snake_case__										= divmod(_UpperCAmelCase		,   len(_UpperCAmelCase		)		)
 check_keys(_UpperCAmelCase		,   _UpperCAmelCase		,   "encrypt"		)
 snake_case__										= ""
 for symbol in message:
  if symbol in SYMBOLS:
   snake_case__										= SYMBOLS.find(_UpperCAmelCase		)
   cipher_text += SYMBOLS[(sym_index * key_a + key_b) % len(_UpperCAmelCase		)]
  else:
   cipher_text += symbol
 return cipher_text





def 							a__	(     _UpperCAmelCase		,   _UpperCAmelCase		)			->     str:

 '''simple docstring'''






 snake_case__							,      snake_case__										= divmod(_UpperCAmelCase		,   len(_UpperCAmelCase		)		)
 check_keys(_UpperCAmelCase		,   _UpperCAmelCase		,   "decrypt"		)
 snake_case__										= ""
 snake_case__										= cryptomath.find_mod_inverse(_UpperCAmelCase		,   len(_UpperCAmelCase		)		)
 for symbol in message:
  if symbol in SYMBOLS:
   snake_case__										= SYMBOLS.find(_UpperCAmelCase		)
   plain_text += SYMBOLS[
       (sym_index - key_b) * mod_inverse_of_key_a % len(_UpperCAmelCase		)
   ]
  else:
   plain_text += symbol
 return plain_text





def 							a__	(     )			->     int:

 '''simple docstring'''






 while True:
  snake_case__										= random.randint(2		,   len(_UpperCAmelCase		)		)
  snake_case__										= random.randint(2		,   len(_UpperCAmelCase		)		)
  if cryptomath.gcd(_UpperCAmelCase		,   len(_UpperCAmelCase		)		) == 1 and key_b % len(_UpperCAmelCase		) != 0:
   return key_b * len(_UpperCAmelCase		) + key_b





def 							a__	(     )			->     None:

 '''simple docstring'''






 snake_case__										= input("Enter message: "		).strip()
 snake_case__										= int(input("Enter key [2000 - 9000]: "		).strip()		)
 snake_case__										= input("Encrypt/Decrypt [E/D]: "		).strip().lower()

 if mode.startswith("e"		):
  snake_case__										= "encrypt"
  snake_case__										= encrypt_message(_UpperCAmelCase		,   _UpperCAmelCase		)
 elif mode.startswith("d"		):
  snake_case__										= "decrypt"
  snake_case__										= decrypt_message(_UpperCAmelCase		,   _UpperCAmelCase		)
 print(f"\n{mode.title()}ed text: \n{translated}"		)


if __name__ == "__main__":
   import doctest

   doctest.testmod()
   # main()

