





import json
import os
import unittest

from transformers import MgpstrTokenizer
from transformers.models.mgp_str.tokenization_mgp_str import VOCAB_FILES_NAMES
from transformers.testing_utils import require_tokenizers

from ...test_tokenization_common import TokenizerTesterMixin

@require_tokenizers
class   A							(						__lowercase		,   unittest.TestCase    ):
      _snake_case				  =MgpstrTokenizer
      _snake_case				  =False
      _snake_case				  ={}
      _snake_case				  =False



      def 						lowerCAmelCase__     (						self:    List[str]							)    ->     List[str]:
         '''simple docstring'''

         super().setUp()

         # fmt: off
         UpperCAmelCase_           =["[GO]", "[s]", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"]
         # fmt: on
         UpperCAmelCase_           =dict(zip(_lowerCAmelCase		,	range(len(_lowerCAmelCase							)							)							)							)

         UpperCAmelCase_           =os.path.join(self.tmpdirname		,	VOCAB_FILES_NAMES["vocab_file"]							)
         with open(self.vocab_file		,	"w"		,	encoding="utf-8"							) as fp:
            fp.write(json.dumps(_lowerCAmelCase							) + "\n"							)



      def 						lowerCAmelCase__     (						self:    Union[str, Any]		,	**_lowerCAmelCase:    Tuple							)    ->     str:
         '''simple docstring'''

         return MgpstrTokenizer.from_pretrained(self.tmpdirname		,	**_lowerCAmelCase							)



      def 						lowerCAmelCase__     (						self:    Any		,	_lowerCAmelCase:    Tuple							)    ->     List[Any]:
         '''simple docstring'''

         UpperCAmelCase_           ="tester"
         UpperCAmelCase_           ="tester"
         return input_text, output_text



      @unittest.skip("MGP-STR always lower cases letters."							)
      def 						lowerCAmelCase__     (						self:    Any							)    ->     Any:
         '''simple docstring'''

         pass



      def 						lowerCAmelCase__     (						self:    int							)    ->     int:
         '''simple docstring'''

         UpperCAmelCase_           =self.get_tokenizers(do_lower_case=_lowerCAmelCase							)
         for tokenizer in tokenizers:
            with self.subTest(F'{tokenizer.__class__.__name__}'							):
               UpperCAmelCase_           ="[SPECIAL_TOKEN]"

               tokenizer.add_special_tokens({"cls_token": special_token}							)
               UpperCAmelCase_           =tokenizer.encode([special_token]		,	add_special_tokens=_lowerCAmelCase							)
               self.assertEqual(len(_lowerCAmelCase							)		,	1							)

               UpperCAmelCase_           =tokenizer.decode(_lowerCAmelCase		,	skip_special_tokens=_lowerCAmelCase							)
               self.assertTrue(special_token not in decoded							)



      def 						lowerCAmelCase__     (						self:    Tuple							)    ->     str:
         '''simple docstring'''

         UpperCAmelCase_           =self.get_tokenizers()
         for tokenizer in tokenizers:
            with self.subTest(F'{tokenizer.__class__.__name__}'							):
               UpperCAmelCase_    ,							UpperCAmelCase_           =self.get_input_output_texts(_lowerCAmelCase							)

               UpperCAmelCase_           =tokenizer.tokenize(_lowerCAmelCase							)
               UpperCAmelCase_           =tokenizer.convert_tokens_to_ids(_lowerCAmelCase							)
               UpperCAmelCase_           =tokenizer.encode(_lowerCAmelCase		,	add_special_tokens=_lowerCAmelCase							)
               self.assertListEqual(_lowerCAmelCase		,	_lowerCAmelCase							)

               UpperCAmelCase_           =tokenizer.convert_ids_to_tokens(_lowerCAmelCase							)
               self.assertNotEqual(len(_lowerCAmelCase							)		,	0							)
               UpperCAmelCase_           =tokenizer.decode(_lowerCAmelCase							)
               self.assertIsInstance(_lowerCAmelCase		,	_lowerCAmelCase							)

               self.assertEqual(text_a.replace(" "		,	""							)		,	_lowerCAmelCase							)



      @unittest.skip("MGP-STR tokenizer only handles one sequence."							)
      def 						lowerCAmelCase__     (						self:    Optional[Any]							)    ->     List[Any]:
         '''simple docstring'''

         pass






      @unittest.skip("inputs cannot be pretokenized in MgpstrTokenizer"							)
      def 						lowerCAmelCase__     (						self:    str							)    ->     Union[str, Any]:
         '''simple docstring'''

         pass











def       UpperCamelCase__(			UpperCamelCase__     :			str					,	UpperCamelCase__     :			str    )->str:
       assert x is not None
       assert y is not None

       A__		   =		len(UpperCamelCase__    )
       A__		   =		len(UpperCamelCase__    )

       # declaring the array for storing the dp values
       A__		   =		[[0] * (n + 1) for _ in range(m + 1    )]  # noqa: E741

       for i in range(1					,	m + 1    ):
              for j in range(1					,	n + 1    ):
                     A__		   =		1 if x[i - 1] == y[j - 1] else 0

                     A__		   =		max(l[i - 1][j]					,	l[i][j - 1]					,	l[i - 1][j - 1] + match    )

       A__		   =		''''''
       A__   ,      A__		   =		m, n
       while i > 0 and j > 0:
              A__		   =		1 if x[i - 1] == y[j - 1] else 0

              if l[i][j] == l[i - 1][j - 1] + match:
                     if match == 1:
                            A__		   =		x[i - 1] + seq
                     i -= 1
                     j -= 1
              elif l[i][j] == l[i - 1][j]:
                     i -= 1
              else:
                     j -= 1

       return l[m][n], seq


if __name__ == "__main__":
       a__: Tuple							   =						'AGGTAB'
       a__: Tuple							   =						'GXTXAYB'
       a__: List[Any]							   =						4
       a__: Optional[Any]							   =						'GTAB'

       a__   ,     a__: List[str]							   =						longest_common_subsequence(a, b)
       print('len =', ln, ', sub-sequence =', subseq)
       import doctest

       doctest.testmod()





