
"""simple docstring"""




def  _lowerCAmelCase		(		_UpperCamelCase						):






  """simple docstring"""



  _lowercase:			List[str]       =     []
  _lowercase:			List[Any]       =     []
  _lowercase:			Any       =     {
      '''^''': 3,
      '''*''': 2,
      '''/''': 2,
      '''%''': 2,
      '''+''': 1,
      '''-''': 1,
  }  # Priority of each operator
  _lowercase:			Tuple       =     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  _lowerCAmelCase		(		_UpperCamelCase						):






  """simple docstring"""



  _lowercase:			Union[str, Any]       =     list(infix[::-1]						)  # reverse the infix equation

  for i in range(len(_UpperCamelCase						)						):
    if infix[i] == "(":
      _lowercase:			int       =     ''')'''  # change "(" to ")"
    elif infix[i] == ")":
      _lowercase:			Union[str, Any]       =     '''('''  # change ")" to "("

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


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


"""simple docstring"""




import json
import os
import tempfile
import unittest
import unittest.mock as mock
from pathlib import Path

from requests.exceptions import HTTPError

from transformers.utils import (
    CONFIG_NAME,
    FLAX_WEIGHTS_NAME,
    TF2_WEIGHTS_NAME,
    TRANSFORMERS_CACHE,
    WEIGHTS_NAME,
    cached_file,
    get_file_from_repo,
    has_file,
)


A__   :					Any							=   'hf-internal-testing/tiny-random-bert'
A__   :					int							=   os.path.join(TRANSFORMERS_CACHE, 'models--hf-internal-testing--tiny-random-bert')
A__   :					Dict							=   '9b8c223d42b2188cb49d29af482996f9d0f3e5a6'


class 			__magic_name__       (       unittest.TestCase ):
       def 							lowercase_							(     self       )     ->	str:





         """simple docstring"""




         _lowercase:			Dict       =     cached_file(A_ ,				A_       )
         # Should have downloaded the file in here
         self.assertTrue(os.path.isdir(A_       )       )
         # Cache should contain at least those three subfolders:
         for subfolder in ["blobs", "refs", "snapshots"]:
           self.assertTrue(os.path.isdir(os.path.join(A_ ,				A_       )       )       )
         with open(os.path.join(A_ ,				'''refs''' ,				'''main'''       )       ) as f:
           _lowercase:			Tuple       =     f.read()
         self.assertEqual(A_ ,				os.path.join(A_ ,				'''snapshots''' ,				A_ ,				A_       )       )
         self.assertTrue(os.path.isfile(A_       )       )

         # File is cached at the same place the second time.
         _lowercase:			List[Any]       =     cached_file(A_ ,				A_       )
         self.assertEqual(A_ ,				A_       )

         # Using a specific revision to test the full commit hash.
         _lowercase:			Union[str, Any]       =     cached_file(A_ ,				A_ ,				revision='''9b8c223'''       )
         self.assertEqual(A_ ,				os.path.join(A_ ,				'''snapshots''' ,				A_ ,				A_       )       )
       def 							lowercase_							(     self       )     ->	Optional[Any]:





         """simple docstring"""




         with self.assertRaisesRegex(A_ ,				'''is not a valid model identifier'''       ):
           _lowercase:			Union[str, Any]       =     cached_file('''tiny-random-bert''' ,				A_       )

         with self.assertRaisesRegex(A_ ,				'''is not a valid git identifier'''       ):
           _lowercase:			List[Any]       =     cached_file(A_ ,				A_ ,				revision='''aaaa'''       )

         with self.assertRaisesRegex(A_ ,				'''does not appear to have a file named'''       ):
           _lowercase:			int       =     cached_file(A_ ,				'''conf'''       )
       def 							lowercase_							(     self       )     ->	Optional[int]:





         """simple docstring"""




         with self.assertRaisesRegex(A_ ,				'''does not appear to have a file named'''       ):
           _lowercase:			Dict       =     cached_file(A_ ,				'''conf'''       )

         with open(os.path.join(A_ ,				'''refs''' ,				'''main'''       )       ) as f:
           _lowercase:			int       =     f.read()
         self.assertTrue(os.path.isfile(os.path.join(A_ ,				'''.no_exist''' ,				A_ ,				'''conf'''       )       )       )

         _lowercase:			Optional[int]       =     cached_file(A_ ,				'''conf''' ,				_raise_exceptions_for_missing_entries=A_       )
         self.assertIsNone(A_       )

         _lowercase:			Optional[int]       =     cached_file(A_ ,				'''conf''' ,				local_files_only=A_ ,				_raise_exceptions_for_missing_entries=A_       )
         self.assertIsNone(A_       )

         _lowercase:			Optional[Any]       =     mock.Mock()
         _lowercase:			Optional[Any]       =     500
         _lowercase:			Optional[Any]       =     {}
         _lowercase:			Dict       =     HTTPError
         _lowercase:			Optional[Any]       =     {}

         # Under the mock environment we get a 500 error when trying to reach the tokenizer.
         with mock.patch('''requests.Session.request''' ,				return_value=A_       ) as mock_head:
           _lowercase:			Tuple       =     cached_file(A_ ,				'''conf''' ,				_raise_exceptions_for_connection_errors=A_       )
           self.assertIsNone(A_       )
           # This check we did call the fake head request
           mock_head.assert_called()
       def 							lowercase_							(     self       )     ->	str:





         """simple docstring"""




         self.assertTrue(has_file('''hf-internal-testing/tiny-bert-pt-only''' ,				A_       )       )
         self.assertFalse(has_file('''hf-internal-testing/tiny-bert-pt-only''' ,				A_       )       )
         self.assertFalse(has_file('''hf-internal-testing/tiny-bert-pt-only''' ,				A_       )       )
       def 							lowercase_							(     self       )     ->	Tuple:





         """simple docstring"""




         self.assertIsNone(get_file_from_repo('''bert-base-cased''' ,				'''ahah.txt'''       )       )

         # The function raises if the repository does not exist.
         with self.assertRaisesRegex(A_ ,				'''is not a valid model identifier'''       ):
           get_file_from_repo('''bert-base-case''' ,				A_       )

         # The function raises if the revision does not exist.
         with self.assertRaisesRegex(A_ ,				'''is not a valid git identifier'''       ):
           get_file_from_repo('''bert-base-cased''' ,				A_ ,				revision='''ahaha'''       )

         _lowercase:			Optional[int]       =     get_file_from_repo('''bert-base-cased''' ,				A_       )
         # The name is the cached name which is not very easy to test, so instead we load the content.
         _lowercase:			Union[str, Any]       =     json.loads(open(A_ ,				'''r'''       ).read()       )
         self.assertEqual(config['''hidden_size'''] ,				768       )



       def 							lowercase_							(     self       )     ->	Tuple:





         """simple docstring"""




         with tempfile.TemporaryDirectory() as tmp_dir:
           _lowercase:			List[Any]       =     Path(A_       ) / '''a.txt'''
           filename.touch()
           self.assertEqual(get_file_from_repo(A_ ,				'''a.txt'''       ) ,				str(A_       )       )

           self.assertIsNone(get_file_from_repo(A_ ,				'''b.txt'''       )       )
