






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__     (     __snake_case   ,    unittest.TestCase ):

     '''simple docstring'''






     snake_case__					=					MgpstrTokenizer
     snake_case__					=					False
     snake_case__					=					{}
     snake_case__					=					False







     def   _SCREAMING_SNAKE_CASE     ( self      :    Dict ):






           """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(_SCREAMING_SNAKE_CASE   ,						range(len(_SCREAMING_SNAKE_CASE ) ) ) )

           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(_SCREAMING_SNAKE_CASE ) + '\n' )







     def   _SCREAMING_SNAKE_CASE     ( self      :    List[Any]   ,						**_SCREAMING_SNAKE_CASE      :    Optional[int] ):






           """simple docstring"""




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







     def   _SCREAMING_SNAKE_CASE     ( self      :    List[Any]   ,						_SCREAMING_SNAKE_CASE      :    Dict ):






           """simple docstring"""




           UpperCamelCase					       =  'tester'
           UpperCamelCase					       =  'tester'
           return input_text, output_text







     @unittest.skip('MGP-STR always lower cases letters.' )
     def   _SCREAMING_SNAKE_CASE     ( self      :    int ):






           """simple docstring"""




           pass







     def   _SCREAMING_SNAKE_CASE     ( self      :    Union[str, Any] ):






           """simple docstring"""




           UpperCamelCase					       =  self.get_tokenizers(do_lower_case=_SCREAMING_SNAKE_CASE )
           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=_SCREAMING_SNAKE_CASE )
                       self.assertEqual(len(_SCREAMING_SNAKE_CASE )   ,						1 )

                       UpperCamelCase					       =  tokenizer.decode(_SCREAMING_SNAKE_CASE   ,						skip_special_tokens=_SCREAMING_SNAKE_CASE )
                       self.assertTrue(special_token not in decoded )







     def   _SCREAMING_SNAKE_CASE     ( self      :    Optional[int] ):






           """simple docstring"""




           UpperCamelCase					       =  self.get_tokenizers()
           for tokenizer in tokenizers:
                 with self.subTest(f'{tokenizer.__class__.__name__}' ):
                       UpperCamelCase       ,  UpperCamelCase					       =  self.get_input_output_texts(_SCREAMING_SNAKE_CASE )

                       UpperCamelCase					       =  tokenizer.tokenize(_SCREAMING_SNAKE_CASE )
                       UpperCamelCase					       =  tokenizer.convert_tokens_to_ids(_SCREAMING_SNAKE_CASE )
                       UpperCamelCase					       =  tokenizer.encode(_SCREAMING_SNAKE_CASE   ,						add_special_tokens=_SCREAMING_SNAKE_CASE )
                       self.assertListEqual(_SCREAMING_SNAKE_CASE   ,						_SCREAMING_SNAKE_CASE )

                       UpperCamelCase					       =  tokenizer.convert_ids_to_tokens(_SCREAMING_SNAKE_CASE )
                       self.assertNotEqual(len(_SCREAMING_SNAKE_CASE )   ,						0 )
                       UpperCamelCase					       =  tokenizer.decode(_SCREAMING_SNAKE_CASE )
                       self.assertIsInstance(_SCREAMING_SNAKE_CASE   ,						_SCREAMING_SNAKE_CASE )

                       self.assertEqual(text_a.replace(' '   ,						'' )   ,						_SCREAMING_SNAKE_CASE )







     @unittest.skip('MGP-STR tokenizer only handles one sequence.' )
     def   _SCREAMING_SNAKE_CASE     ( self      :    Any ):






           """simple docstring"""




           pass







     @unittest.skip('inputs cannot be pretokenized in MgpstrTokenizer' )
     def   _SCREAMING_SNAKE_CASE     ( self      :    List[str] ):






           """simple docstring"""




           pass











def 		lowercase__  (				_UpperCamelCase) ->			Any:
      """simple docstring"""

      UpperCamelCase					       =  []
      UpperCamelCase					       =  []
      UpperCamelCase					       =  {
          '^': 3,
          '*': 2,
          '/': 2,
          '%': 2,
          '+': 1,
          '-': 1,
      }  # Priority of each operator
      UpperCamelCase					       =  len(_UpperCamelCase) if (len(_UpperCamelCase) > 7) else 7

      # Print table header for output
      print(
          'Symbol'.center(8)       ,							'Stack'.center(_UpperCamelCase)       ,							'Postfix'.center(_UpperCamelCase)       ,							sep=' | '       ,							)
      print('-' * (print_width * 3 + 7))

      for x in infix:
            if x.isalpha() or x.isdigit():
                  post_fix.append(_UpperCamelCase)  # if x is Alphabet / Digit, add it to Postfix
            elif x == "(":
                  stack.append(_UpperCamelCase)  # if x is "(" push to Stack
            elif x == ")":  # if x is ")" pop stack until "(" is encountered
                  while stack[-1] != "(":
                        post_fix.append(stack.pop())  # Pop stack & add the content to Postfix
                  stack.pop()
            else:
                  if len(_UpperCamelCase) == 0:
                        stack.append(_UpperCamelCase)  # If stack is empty, push x to stack
                  else:  # while priority of x is not > priority of element in the stack
                        while len(_UpperCamelCase) > 0 and priority[x] <= priority[stack[-1]]:
                              post_fix.append(stack.pop())  # pop stack & add to Postfix
                        stack.append(_UpperCamelCase)  # push x to stack

            print(
                x.center(8)       ,							(''.join(_UpperCamelCase)).ljust(_UpperCamelCase)       ,							(''.join(_UpperCamelCase)).ljust(_UpperCamelCase)       ,							sep=' | '       ,							)  # Output in tabular format

      while len(_UpperCamelCase) > 0:  # while stack is not empty
            post_fix.append(stack.pop())  # pop stack & add to Postfix
            print(
                ' '.center(8)       ,							(''.join(_UpperCamelCase)).ljust(_UpperCamelCase)       ,							(''.join(_UpperCamelCase)).ljust(_UpperCamelCase)       ,							sep=' | '       ,							)  # Output in tabular format

      return "".join(_UpperCamelCase)  # return Postfix as str
def 		lowercase__  (				_UpperCamelCase) ->			Optional[Any]:
      """simple docstring"""

      UpperCamelCase					       =  list(infix[::-1])  # reverse the infix equation

      for i in range(len(_UpperCamelCase)):
            if infix[i] == "(":
                  UpperCamelCase					       =  ')'  # change "(" to ")"
            elif infix[i] == ")":
                  UpperCamelCase					       =  '('  # change ")" to "("

      return (infix_2_postfix(''.join(_UpperCamelCase)))[
          ::-1
      ]  # call infix_2_postfix on Infix, return reverse of Postfix


if __name__ == "__main__":
       __magic_name__   :  int        =							input('''\nEnter an Infix Equation = ''')  # Input an Infix equation
       __magic_name__   :  Optional[Any]        =							''''''.join(Infix.split())  # Remove spaces from the input
       print('''\n\t''', Infix, '''(Infix) -> ''', infix_2_prefix(Infix), '''(Prefix)''')



