import os
import unittest

from transformers import is_torch_available
from transformers.testing_utils import require_sentencepiece, require_tokenizers, require_torch, slow, torch_device


if is_torch_available():
    import torch

    from transformers import GPTaLMHeadModel
@require_torch
@require_sentencepiece
@require_tokenizers
class 							a_					(		unittest.TestCase		):






 '''simple docstring'''






 @slow
 @unittest.skip('Model is not available.')
 def 						__snake_case		(     self   :    Optional[int]):







        '''simple docstring'''



        lowerCAmelCase__	      =   'nvidia/megatron-gpt2-345m/'
        if "MYDIR" in os.environ:
               lowerCAmelCase__	      =   os.path.join(os.environ['MYDIR']     ,       lowercase__)
        lowerCAmelCase__	      =   GPTaLMHeadModel.from_pretrained(lowercase__)
        model.to(lowercase__)
        model.half()

        lowerCAmelCase__	      =   torch.tensor(
            [[101, 7_110, 1_005, 1_056, 2_023, 11_333, 17_413, 1_029, 102]]     ,       device=lowercase__     ,       dtype=torch.long     ,       )

        with torch.no_grad():
               lowerCAmelCase__	      =   model(lowercase__).logits

        lowerCAmelCase__	      =   torch.Size((1, 9, 50_257))
        self.assertEqual(output.shape     ,       lowercase__)

        lowerCAmelCase__	      =   torch.tensor(
            [
                4.9_414,
                -0.2_920,
                -1.2_148,
                -4.0_273,
                -0.5_161,
                -5.2_109,
                -1.2_412,
                -1.8_301,
                -1.7_734,
                -4.7_148,
                -0.2_317,
                -1.0_811,
                -2.1_777,
                0.4_141,
                -3.7_969,
                -4.0_586,
                -2.5_332,
                -3.3_809,
                4.3_867,
            ]     ,       device=lowercase__     ,       dtype=torch.half     ,       )

        for i in range(19):
               lowerCAmelCase__      ,   lowerCAmelCase__	      =   8 * i // 17, 2_792 * i  # along the diagonal
               lowerCAmelCase__      ,   lowerCAmelCase__	      =   output[0, r, c], expected_diag[i]
               lowerCAmelCase__	      =   F"""row={r} col={c} computed={computed} expected={expected}"""
               self.assertAlmostEqual(lowercase__     ,       lowercase__     ,       delta=1e-4     ,       msg=lowercase__)

import random
import sys

from . import cryptomath_module as cryptomath

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






def  __lowerCamelCase						(		lowerCAmelCase__      ,    lowerCAmelCase__      ,    lowerCAmelCase__      ):
       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(lowerCAmelCase__      ) - 1:
              sys.exit(
                  'Key A must be greater than 0 and key B must '
                  F"""be between 0 and {len(lowerCAmelCase__      ) - 1}."""      )
       if cryptomath.gcd(lowerCAmelCase__      ,    len(lowerCAmelCase__      )      ) != 1:
              sys.exit(
                  F"""Key A {key_a} and the symbol set size {len(lowerCAmelCase__      )} """
                  'are not relatively prime. Choose a different key.'      )






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






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






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






def  __lowerCamelCase						(		):
       lowerCAmelCase__	      =   input('Enter message: '      ).strip()
       lowerCAmelCase__	      =   int(input('Enter key [2000 - 9000]: '      ).strip()      )
       lowerCAmelCase__	      =   input('Encrypt/Decrypt [E/D]: '      ).strip().lower()

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


if __name__ == "__main__":
    import doctest

    doctest.testmod()
    # main()
