






'''simple docstring'''

from __future__ import annotations

SCREAMING_SNAKE_CASE__     =       tuple[int, int, int]
SCREAMING_SNAKE_CASE__     =       tuple[str, str, str]


# used alphabet --------------------------
# from string.ascii_uppercase
SCREAMING_SNAKE_CASE__     =       'ABCDEFGHIJKLMNOPQRSTUVWXYZ'

# -------------------------- default selection --------------------------
# rotors --------------------------
SCREAMING_SNAKE_CASE__     =       'EGZWVONAHDCLFQMSIPJBYUKXTR'
SCREAMING_SNAKE_CASE__     =       'FOBHMDKEXQNRAULPGSJVTYICZW'
SCREAMING_SNAKE_CASE__     =       'ZJXESIUQLHAVRMDOYGTNFWPBKC'
# reflector --------------------------
SCREAMING_SNAKE_CASE__     =       {
    'A': 'N',
    'N': 'A',
    'B': 'O',
    'O': 'B',
    'C': 'P',
    'P': 'C',
    'D': 'Q',
    'Q': 'D',
    'E': 'R',
    'R': 'E',
    'F': 'S',
    'S': 'F',
    'G': 'T',
    'T': 'G',
    'H': 'U',
    'U': 'H',
    'I': 'V',
    'V': 'I',
    'J': 'W',
    'W': 'J',
    'K': 'X',
    'X': 'K',
    'L': 'Y',
    'Y': 'L',
    'M': 'Z',
    'Z': 'M',
}

# -------------------------- extra rotors --------------------------
SCREAMING_SNAKE_CASE__     =       'RMDJXFUWGISLHVTCQNKYPBEZOA'
SCREAMING_SNAKE_CASE__     =       'SGLCPQWZHKXAREONTFBVIYJUDM'
SCREAMING_SNAKE_CASE__     =       'HVSICLTYKQUBXDWAJZOMFGPREN'
SCREAMING_SNAKE_CASE__     =       'RZWQHFMVDBKICJLNTUXAGYPSOE'
SCREAMING_SNAKE_CASE__     =       'LFKIJODBEGAMQPXVUHYSTCZRWN'
SCREAMING_SNAKE_CASE__     =       'KOAEGVDHXPQZMLFTYWJNBRCIUS'







def    lowercase__			(				__UpperCamelCase		,						__UpperCamelCase		,						__UpperCamelCase   )->			tuple[RotorPositionT, RotorSelectionT, dict[str, str]]:
      # Checks if there are 3 unique rotors

      if (unique_rotsel := len(set(__UpperCamelCase   )   )) < 3:
            UpperCamelCase      = F"Please use 3 unique rotors (not {unique_rotsel})"
            raise Exception(__UpperCamelCase   )

      # Checks if rotor positions are valid
      UpperCamelCase  ,UpperCamelCase  ,UpperCamelCase      = rotpos
      if not 0 < rotorposa <= len(__UpperCamelCase   ):
            UpperCamelCase      = F"First rotor position is not within range of 1..26 ({rotorposa}"
            raise ValueError(__UpperCamelCase   )
      if not 0 < rotorposa <= len(__UpperCamelCase   ):
            UpperCamelCase      = F"Second rotor position is not within range of 1..26 ({rotorposa})"
            raise ValueError(__UpperCamelCase   )
      if not 0 < rotorposa <= len(__UpperCamelCase   ):
            UpperCamelCase      = F"Third rotor position is not within range of 1..26 ({rotorposa})"
            raise ValueError(__UpperCamelCase   )

      # Validates string and returns dict
      UpperCamelCase      = _plugboard(__UpperCamelCase   )

      return rotpos, rotsel, pbdict







def    lowercase__			(				__UpperCamelCase   )->			dict[str, str]:

      # tests the input string if it
      # a) is type string
      # b) has even length (so pairs can be made)
      if not isinstance(__UpperCamelCase		,						__UpperCamelCase   ):
            UpperCamelCase      = F"Plugboard setting isn't type string ({type(__UpperCamelCase   )})"
            raise TypeError(__UpperCamelCase   )
      elif len(__UpperCamelCase   ) % 2 != 0:
            UpperCamelCase      = F"Odd number of symbols ({len(__UpperCamelCase   )})"
            raise Exception(__UpperCamelCase   )
      elif pbstring == "":
            return {}

      pbstring.replace(""" """		,						""""""   )

      # Checks if all characters are unique
      UpperCamelCase      = set()
      for i in pbstring:
            if i not in abc:
                  UpperCamelCase      = F"'{i}' not in list of symbols"
                  raise Exception(__UpperCamelCase   )
            elif i in tmppbl:
                  UpperCamelCase      = F"Duplicate symbol ({i})"
                  raise Exception(__UpperCamelCase   )
            else:
                  tmppbl.add(__UpperCamelCase   )
      del tmppbl

      # Created the dictionary
      UpperCamelCase      = {}
      for j in range(0		,						len(__UpperCamelCase   ) - 1		,						2   ):
            UpperCamelCase      = pbstring[j + 1]
            UpperCamelCase      = pbstring[j]

      return pb







def    lowercase__			(				__UpperCamelCase		,						__UpperCamelCase		,						__UpperCamelCase = (rotora, rotora, rotora)		,						__UpperCamelCase = ""		,						)->			str:
      UpperCamelCase      = text.upper()
      UpperCamelCase  ,UpperCamelCase  ,UpperCamelCase      = _validator(
          __UpperCamelCase		,						__UpperCamelCase		,						plugb.upper()   )

      UpperCamelCase  ,UpperCamelCase  ,UpperCamelCase      = rotor_position
      UpperCamelCase  ,UpperCamelCase  ,UpperCamelCase      = rotor_selection
      rotorposa -= 1
      rotorposa -= 1
      rotorposa -= 1

      UpperCamelCase      = []

      # encryption/decryption process --------------------------
      for symbol in text:
            if symbol in abc:
                  # 1st plugboard --------------------------
                  if symbol in plugboard:
                        UpperCamelCase      = plugboard[symbol]

                  # rotor ra --------------------------
                  UpperCamelCase      = abc.index(__UpperCamelCase   ) + rotorposa
                  UpperCamelCase      = rotora[index % len(__UpperCamelCase   )]

                  # rotor rb --------------------------
                  UpperCamelCase      = abc.index(__UpperCamelCase   ) + rotorposa
                  UpperCamelCase      = rotora[index % len(__UpperCamelCase   )]

                  # rotor rc --------------------------
                  UpperCamelCase      = abc.index(__UpperCamelCase   ) + rotorposa
                  UpperCamelCase      = rotora[index % len(__UpperCamelCase   )]

                  # reflector --------------------------
                  # this is the reason you don't need another machine to decipher

                  UpperCamelCase      = reflector[symbol]

                  # 2nd rotors
                  UpperCamelCase      = abc[rotora.index(__UpperCamelCase   ) - rotorposa]
                  UpperCamelCase      = abc[rotora.index(__UpperCamelCase   ) - rotorposa]
                  UpperCamelCase      = abc[rotora.index(__UpperCamelCase   ) - rotorposa]

                  # 2nd plugboard
                  if symbol in plugboard:
                        UpperCamelCase      = plugboard[symbol]

                  # moves/resets rotor positions
                  rotorposa += 1
                  if rotorposa >= len(__UpperCamelCase   ):
                        UpperCamelCase      = 0
                        rotorposa += 1
                  if rotorposa >= len(__UpperCamelCase   ):
                        UpperCamelCase      = 0
                        rotorposa += 1
                  if rotorposa >= len(__UpperCamelCase   ):
                        UpperCamelCase      = 0

        # else:
        #    pass
        #    Error could be also raised
        #    raise ValueError(
        #       'Invalid symbol('+repr(symbol)+')')
            result.append(__UpperCamelCase   )

      return "".join(__UpperCamelCase   )


if __name__ == "__main__":
     SCREAMING_SNAKE_CASE__     =       'This is my Python script that emulates the Enigma machine from WWII.'
     SCREAMING_SNAKE_CASE__     =       (1, 1, 1)
     SCREAMING_SNAKE_CASE__     =       'pictures'
     SCREAMING_SNAKE_CASE__     =       (rotora, rotora, rotora)
     SCREAMING_SNAKE_CASE__     =       enigma(message, rotor_pos, rotor_sel, pb)

     print('Encrypted message:', en)
     print('Decrypted message:', enigma(en, rotor_pos, rotor_sel, pb))








'''simple docstring'''

import unittest

from transformers.utils.backbone_utils import (
    BackboneMixin,
    get_aligned_output_features_output_indices,
    verify_out_features_out_indices,
)






class     a_						(      unittest.TestCase    ):

  def   A__						(				self				)  ->				Tuple:



        """simple docstring"""






        UpperCamelCase      = ["""a""", """b""", """c"""]

        # Defaults to last layer if both are None
        UpperCamelCase  ,UpperCamelCase      = get_aligned_output_features_output_indices(_SCREAMING_SNAKE_CASE      ,		_SCREAMING_SNAKE_CASE      ,		_SCREAMING_SNAKE_CASE				)
        self.assertEqual(_SCREAMING_SNAKE_CASE      ,		["""c"""]				)
        self.assertEqual(_SCREAMING_SNAKE_CASE      ,		[2]				)

        # Out indices set to match out features
        UpperCamelCase  ,UpperCamelCase      = get_aligned_output_features_output_indices(["""a""", """c"""]      ,		_SCREAMING_SNAKE_CASE      ,		_SCREAMING_SNAKE_CASE				)
        self.assertEqual(_SCREAMING_SNAKE_CASE      ,		["""a""", """c"""]				)
        self.assertEqual(_SCREAMING_SNAKE_CASE      ,		[0, 2]				)

        # Out features set to match out indices
        UpperCamelCase  ,UpperCamelCase      = get_aligned_output_features_output_indices(_SCREAMING_SNAKE_CASE      ,		[0, 2]      ,		_SCREAMING_SNAKE_CASE				)
        self.assertEqual(_SCREAMING_SNAKE_CASE      ,		["""a""", """c"""]				)
        self.assertEqual(_SCREAMING_SNAKE_CASE      ,		[0, 2]				)

        # Out features selected from negative indices
        UpperCamelCase  ,UpperCamelCase      = get_aligned_output_features_output_indices(_SCREAMING_SNAKE_CASE      ,		[-3, -1]      ,		_SCREAMING_SNAKE_CASE				)
        self.assertEqual(_SCREAMING_SNAKE_CASE      ,		["""a""", """c"""]				)
        self.assertEqual(_SCREAMING_SNAKE_CASE      ,		[-3, -1]				)

  def   A__						(				self				)  ->				str:



        """simple docstring"""






        with self.assertRaises(_SCREAMING_SNAKE_CASE				):
              verify_out_features_out_indices(["""a""", """b"""]      ,		(0, 1)      ,		_SCREAMING_SNAKE_CASE				)

        # Out features must be a list
        with self.assertRaises(_SCREAMING_SNAKE_CASE				):
              verify_out_features_out_indices(("""a""", """b""")      ,		(0, 1)      ,		["""a""", """b"""]				)

        # Out features must be a subset of stage names
        with self.assertRaises(_SCREAMING_SNAKE_CASE				):
              verify_out_features_out_indices(["""a""", """b"""]      ,		(0, 1)      ,		["""a"""]				)

        # Out indices must be a list or tuple
        with self.assertRaises(_SCREAMING_SNAKE_CASE				):
              verify_out_features_out_indices(_SCREAMING_SNAKE_CASE      ,		0      ,		["""a""", """b"""]				)

        # Out indices must be a subset of stage names
        with self.assertRaises(_SCREAMING_SNAKE_CASE				):
              verify_out_features_out_indices(_SCREAMING_SNAKE_CASE      ,		(0, 1)      ,		["""a"""]				)

        # Out features and out indices must be the same length
        with self.assertRaises(_SCREAMING_SNAKE_CASE				):
              verify_out_features_out_indices(["""a""", """b"""]      ,		(0,)      ,		["""a""", """b""", """c"""]				)

        # Out features should match out indices
        with self.assertRaises(_SCREAMING_SNAKE_CASE				):
              verify_out_features_out_indices(["""a""", """b"""]      ,		(0, 2)      ,		["""a""", """b""", """c"""]				)

        # Out features and out indices should be in order
        with self.assertRaises(_SCREAMING_SNAKE_CASE				):
              verify_out_features_out_indices(["""b""", """a"""]      ,		(0, 1)      ,		["""a""", """b"""]				)

        # Check passes with valid inputs
        verify_out_features_out_indices(["""a""", """b""", """d"""]      ,		(0, 1, -1)      ,		["""a""", """b""", """c""", """d"""]				)


  def   A__						(				self				)  ->				Union[str, Any]:



        """simple docstring"""






        UpperCamelCase      = BackboneMixin()

        UpperCamelCase      = ["""a""", """b""", """c"""]
        UpperCamelCase      = ["""a""", """c"""]
        UpperCamelCase      = [0, 2]

        # Check that the output features and indices are set correctly
        self.assertEqual(backbone.out_features      ,		["""a""", """c"""]				)
        self.assertEqual(backbone.out_indices      ,		[0, 2]				)

        # Check out features and indices are updated correctly
        UpperCamelCase      = ["""a""", """b"""]
        self.assertEqual(backbone.out_features      ,		["""a""", """b"""]				)
        self.assertEqual(backbone.out_indices      ,		[0, 1]				)

        UpperCamelCase      = [-3, -1]
        self.assertEqual(backbone.out_features      ,		["""a""", """c"""]				)
        self.assertEqual(backbone.out_indices      ,		[-3, -1]				)
