





"""simple docstring"""






import argparse
import struct
import unittest



class 	lowerCAmelCase					:






       def __init__(   self    ,  a__     ):
              _UpperCAmelCase     =     data

              # Initialize hash values
              _UpperCAmelCase     =     [
                  0x6_a_0_9_e_6_6_7,
                  0xb_b_6_7_a_e_8_5,
                  0x3_c_6_e_f_3_7_2,
                  0xa_5_4_f_f_5_3_a,
                  0x5_1_0_e_5_2_7_f,
                  0x9_b_0_5_6_8_8_c,
                  0x1_f_8_3_d_9_a_b,
                  0x5_b_e_0_c_d_1_9,
              ]

              # Initialize round constants
              _UpperCAmelCase     =     [
                  0x4_2_8_a_2_f_9_8,
                  0x7_1_3_7_4_4_9_1,
                  0xb_5_c_0_f_b_c_f,
                  0xe_9_b_5_d_b_a_5,
                  0x3_9_5_6_c_2_5_b,
                  0x5_9_f_1_1_1_f_1,
                  0x9_2_3_f_8_2_a_4,
                  0xa_b_1_c_5_e_d_5,
                  0xd_8_0_7_a_a_9_8,
                  0x1_2_8_3_5_b_0_1,
                  0x2_4_3_1_8_5_b_e,
                  0x5_5_0_c_7_d_c_3,
                  0x7_2_b_e_5_d_7_4,
                  0x8_0_d_e_b_1_f_e,
                  0x9_b_d_c_0_6_a_7,
                  0xc_1_9_b_f_1_7_4,
                  0xe_4_9_b_6_9_c_1,
                  0xe_f_b_e_4_7_8_6,
                  0x0_f_c_1_9_d_c_6,
                  0x2_4_0_c_a_1_c_c,
                  0x2_d_e_9_2_c_6_f,
                  0x4_a_7_4_8_4_a_a,
                  0x5_c_b_0_a_9_d_c,
                  0x7_6_f_9_8_8_d_a,
                  0x9_8_3_e_5_1_5_2,
                  0xa_8_3_1_c_6_6_d,
                  0xb_0_0_3_2_7_c_8,
                  0xb_f_5_9_7_f_c_7,
                  0xc_6_e_0_0_b_f_3,
                  0xd_5_a_7_9_1_4_7,
                  0x0_6_c_a_6_3_5_1,
                  0x1_4_2_9_2_9_6_7,
                  0x2_7_b_7_0_a_8_5,
                  0x2_e_1_b_2_1_3_8,
                  0x4_d_2_c_6_d_f_c,
                  0x5_3_3_8_0_d_1_3,
                  0x6_5_0_a_7_3_5_4,
                  0x7_6_6_a_0_a_b_b,
                  0x8_1_c_2_c_9_2_e,
                  0x9_2_7_2_2_c_8_5,
                  0xa_2_b_f_e_8_a_1,
                  0xa_8_1_a_6_6_4_b,
                  0xc_2_4_b_8_b_7_0,
                  0xc_7_6_c_5_1_a_3,
                  0xd_1_9_2_e_8_1_9,
                  0xd_6_9_9_0_6_2_4,
                  0xf_4_0_e_3_5_8_5,
                  0x1_0_6_a_a_0_7_0,
                  0x1_9_a_4_c_1_1_6,
                  0x1_e_3_7_6_c_0_8,
                  0x2_7_4_8_7_7_4_c,
                  0x3_4_b_0_b_c_b_5,
                  0x3_9_1_c_0_c_b_3,
                  0x4_e_d_8_a_a_4_a,
                  0x5_b_9_c_c_a_4_f,
                  0x6_8_2_e_6_f_f_3,
                  0x7_4_8_f_8_2_e_e,
                  0x7_8_a_5_6_3_6_f,
                  0x8_4_c_8_7_8_1_4,
                  0x8_c_c_7_0_2_0_8,
                  0x9_0_b_e_f_f_f_a,
                  0xa_4_5_0_6_c_e_b,
                  0xb_e_f_9_a_3_f_7,
                  0xc_6_7_1_7_8_f_2,
              ]

              _UpperCAmelCase     =     self.preprocessing(self.data     )
              self.final_hash()






       @staticmethod
       def 							__A (   a__     ):
              _UpperCAmelCase     =     b'\x80' + (b'\x00' * (63 - (len(a__     ) + 8) % 64))
              _UpperCAmelCase     =     struct.pack('>Q'    ,  (len(a__     ) * 8)     )
              return data + padding + big_endian_integer






       def 							__A (   self     ):
              # Convert into blocks of 64 bytes
              _UpperCAmelCase     =     [
                  self.preprocessed_data[x : x + 64]
                  for x in range(0    ,  len(self.preprocessed_data     )    ,  64     )
              ]

              for block in self.blocks:
                     # Convert the given block into a list of 4 byte integers
                     _UpperCAmelCase     =     list(struct.unpack('>16L'    ,  a__     )     )
                     # add 48 0-ed integers
                     words += [0] * 48

                     _UpperCAmelCase    ,							_UpperCAmelCase    ,							_UpperCAmelCase    ,							_UpperCAmelCase    ,							_UpperCAmelCase    ,							_UpperCAmelCase    ,							_UpperCAmelCase    ,							_UpperCAmelCase     =     self.hashes

                     for index in range(0    ,  64     ):
                            if index > 15:
                                   # modify the zero-ed indexes at the end of the array
                                   _UpperCAmelCase     =     (
                                       self.ror(words[index - 15]    ,  7     )
                                       ^ self.ror(words[index - 15]    ,  18     )
                                       ^ (words[index - 15] >> 3)
                                   )
                                   _UpperCAmelCase     =     (
                                       self.ror(words[index - 2]    ,  17     )
                                       ^ self.ror(words[index - 2]    ,  19     )
                                       ^ (words[index - 2] >> 10)
                                   )

                                   _UpperCAmelCase     =     (
                                       words[index - 16] + sa + words[index - 7] + sa
                                   ) % 0x1_0_0_0_0_0_0_0_0

                            # Compression
                            _UpperCAmelCase     =     self.ror(a__    ,  6     ) ^ self.ror(a__    ,  11     ) ^ self.ror(a__    ,  25     )
                            _UpperCAmelCase     =     (e & f) ^ ((~e & 0xf_f_f_f_f_f_f_f) & g)
                            _UpperCAmelCase     =     (
                                h + sa + ch + self.round_constants[index] + words[index]
                            ) % 0x1_0_0_0_0_0_0_0_0
                            _UpperCAmelCase     =     self.ror(a__    ,  2     ) ^ self.ror(a__    ,  13     ) ^ self.ror(a__    ,  22     )
                            _UpperCAmelCase     =     (a & b) ^ (a & c) ^ (b & c)
                            _UpperCAmelCase     =     (sa + maj) % 0x1_0_0_0_0_0_0_0_0

                            _UpperCAmelCase    ,							_UpperCAmelCase    ,							_UpperCAmelCase    ,							_UpperCAmelCase    ,							_UpperCAmelCase    ,							_UpperCAmelCase    ,							_UpperCAmelCase    ,							_UpperCAmelCase     =     (
                                g,
                                f,
                                e,
                                ((d + tempa) % 0x1_0_0_0_0_0_0_0_0),
                                c,
                                b,
                                a,
                                ((tempa + tempa) % 0x1_0_0_0_0_0_0_0_0),
                            )

                     _UpperCAmelCase     =     [a, b, c, d, e, f, g, h]

                     # Modify final values
                     _UpperCAmelCase     =     [
                         ((element + mutated_hash_values[index]) % 0x1_0_0_0_0_0_0_0_0)
                         for index, element in enumerate(self.hashes     )
                     ]

              _UpperCAmelCase     =     ''.join([hex(a__     )[2:].zfill(8     ) for value in self.hashes]     )






       def 							__A (   self    ,  a__    ,  a__     ):
              return 0xf_f_f_f_f_f_f_f & (value << (32 - rotations)) | (value >> rotations)



class 	lowerCAmelCase					(      unittest.TestCase							):






       def 							__A (   self     ):
              import hashlib

              _UpperCAmelCase     =     bytes('Test String'    ,  'utf-8'     )
              self.assertEqual(SHAaaa(a__     ).hash    ,  hashlib.shaaaa(a__     ).hexdigest()     )


def       __lowerCamelCase    (       )		->       None:






       """simple docstring"""




       import doctest

       doctest.testmod()

       _UpperCAmelCase     =     argparse.ArgumentParser()
       parser.add_argument(
           '-s','--string',dest='input_string',default='Hello World!! Welcome to Cryptography',help='Hash the string',)
       parser.add_argument(
           '-f','--file',dest='input_file',help='Hash contents of a file'							)

       _UpperCAmelCase     =     parser.parse_args()

       _UpperCAmelCase     =     args.input_string

       # hash input should be a bytestring
       if args.input_file:
              with open(args.input_file,'rb'							) as f:
                     _UpperCAmelCase     =     f.read()
       else:
              _UpperCAmelCase     =     bytes(SCREAMING_SNAKE_CASE,'utf-8'							)

       print(SHAaaa(SCREAMING_SNAKE_CASE							).hash							)


if __name__ == "__main__":
    main()













"""simple docstring"""






import unittest

from transformers import is_flax_available
from transformers.testing_utils import require_flax, require_sentencepiece, require_tokenizers, require_torch, slow


if is_flax_available():
    import optax
    from flax.training.common_utils import onehot

    from transformers import AutoTokenizer, FlaxMTaForConditionalGeneration
    from transformers.models.ta.modeling_flax_ta import shift_tokens_right



@require_torch
@require_sentencepiece
@require_tokenizers
@require_flax
class 	lowerCAmelCase					(      unittest.TestCase							):






       @slow
       def 							__A (   self     ):
              _UpperCAmelCase     =     FlaxMTaForConditionalGeneration.from_pretrained('google/mt5-small'     )
              _UpperCAmelCase     =     AutoTokenizer.from_pretrained('google/mt5-small'     )

              _UpperCAmelCase     =     tokenizer('Hello there'    ,  return_tensors='np'     ).input_ids
              _UpperCAmelCase     =     tokenizer('Hi I am'    ,  return_tensors='np'     ).input_ids

              _UpperCAmelCase     =     shift_tokens_right(a__    ,  model.config.pad_token_id    ,  model.config.decoder_start_token_id     )

              _UpperCAmelCase     =     model(a__    ,  decoder_input_ids=a__     ).logits
              _UpperCAmelCase     =     optax.softmax_cross_entropy(a__    ,  onehot(a__    ,  logits.shape[-1]     )     ).mean()

              _UpperCAmelCase     =     -(labels.shape[-1] * loss.item())

              _UpperCAmelCase     =     -84.9_127
              self.assertTrue(abs(mtf_score - EXPECTED_SCORE     ) < 1E-4     )






