




"""simple docstring"""







import json
import os
import unittest

from transformers.models.xlm.tokenization_xlm import VOCAB_FILES_NAMES, XLMTokenizer
from transformers.testing_utils import slow

from ...test_tokenization_common import TokenizerTesterMixin






class       SCREAMING_SNAKE_CASE__					(					a__						,				unittest.TestCase					):
      _a    						=						XLMTokenizer
      _a    						=						False


      def   __lowercase (							self				:			int					):
          super().setUp()

          # Adapted from Sennrich et al. 2015 and https://github.com/rsennrich/subword-nmt
          lowerCAmelCase  =				[
              '''l''',
              '''o''',
              '''w''',
              '''e''',
              '''r''',
              '''s''',
              '''t''',
              '''i''',
              '''d''',
              '''n''',
              '''w</w>''',
              '''r</w>''',
              '''t</w>''',
              '''lo''',
              '''low''',
              '''er</w>''',
              '''low</w>''',
              '''lowest</w>''',
              '''newer</w>''',
              '''wider</w>''',
              '''<unk>''',
          ]
          lowerCAmelCase  =				dict(zip(lowercase__						,						range(len(lowercase__					)					)					)					)
          lowerCAmelCase  =				['''l o 123''', '''lo w 1456''', '''e r</w> 1789''', '''''']

          lowerCAmelCase  =				os.path.join(self.tmpdirname						,						VOCAB_FILES_NAMES["""vocab_file"""]					)
          lowerCAmelCase  =				os.path.join(self.tmpdirname						,						VOCAB_FILES_NAMES["""merges_file"""]					)
          with open(self.vocab_file						,						"""w"""					) as fp:
              fp.write(json.dumps(lowercase__					)					)
          with open(self.merges_file						,						"""w"""					) as fp:
              fp.write("""\n""".join(lowercase__					)					)


      def   __lowercase (							self				:			Union[str, Any]						,						lowerCAmelCase				:			List[str]					):
          lowerCAmelCase  =				'''lower newer'''
          lowerCAmelCase  =				'''lower newer'''
          return input_text, output_text


      def   __lowercase (							self				:			int					):
          lowerCAmelCase  =				XLMTokenizer(self.vocab_file						,						self.merges_file					)

          lowerCAmelCase  =				'''lower'''
          lowerCAmelCase  =				['''low''', '''er</w>''']
          lowerCAmelCase  =				tokenizer.tokenize(lowercase__					)
          self.assertListEqual(lowercase__						,						lowercase__					)

          lowerCAmelCase  =				tokens + ['''<unk>''']
          lowerCAmelCase  =				[14, 15, 20]
          self.assertListEqual(tokenizer.convert_tokens_to_ids(lowercase__					)						,						lowercase__					)




      @slow
      def   __lowercase (							self				:			Dict					):
          lowerCAmelCase  =				XLMTokenizer.from_pretrained("""xlm-mlm-en-2048"""					)

          lowerCAmelCase  =				tokenizer.encode("""sequence builders"""						,						add_special_tokens=lowercase__					)
          lowerCAmelCase  =				tokenizer.encode("""multi-sequence build"""						,						add_special_tokens=lowercase__					)

          lowerCAmelCase  =				tokenizer.build_inputs_with_special_tokens(lowercase__					)
          lowerCAmelCase  =				tokenizer.build_inputs_with_special_tokens(lowercase__						,						lowercase__					)

          assert encoded_sentence == [0] + text + [1]
          assert encoded_pair == [0] + text + [1] + text_a + [1]











"""simple docstring"""







from queue import PriorityQueue
from typing import Any

import numpy as np





def 							lowercase					(snake_case__   : dict      ,       snake_case__   : str      ,       snake_case__   : set      ,       snake_case__   : set      ,       snake_case__   : dict      ,       snake_case__   : dict      ,       snake_case__   : PriorityQueue      ,       snake_case__   : dict      ,       snake_case__   : float | int      ,       )     ->  float | int:


				'''simple docstring'''






				for nxt, d in graph[v]:
								if nxt in visited_forward:
												continue
								lowerCAmelCase  =				cst_fwd.get(snake_case__      ,       np.inf )
								lowerCAmelCase  =				cst_fwd[v] + d
								if new_cost_f < old_cost_f:
												queue.put((new_cost_f, nxt) )
												lowerCAmelCase  =				new_cost_f
												lowerCAmelCase  =				v
								if nxt in visited_backward:
												if cst_fwd[v] + d + cst_bwd[nxt] < shortest_distance:
																lowerCAmelCase  =				cst_fwd[v] + d + cst_bwd[nxt]
				return shortest_distance





def 							lowercase					(snake_case__   : str      ,       snake_case__   : str      ,       snake_case__   : dict      ,       snake_case__   : dict )     ->  int:


				'''simple docstring'''






				lowerCAmelCase  =				-1

				lowerCAmelCase  =				set()
				lowerCAmelCase  =				set()
				lowerCAmelCase  =				{source: 0}
				lowerCAmelCase  =				{destination: 0}
				lowerCAmelCase  =				{source: None}
				lowerCAmelCase  =				{destination: None}
				lowerCAmelCase  =				PriorityQueue()
				lowerCAmelCase  =				PriorityQueue()

				lowerCAmelCase  =				np.inf

				queue_forward.put((0, source) )
				queue_backward.put((0, destination) )

				if source == destination:
								return 0

				while not queue_forward.empty() and not queue_backward.empty():
								lowerCAmelCase ,						lowerCAmelCase  =				queue_forward.get()
								visited_forward.add(snake_case__ )

								lowerCAmelCase ,						lowerCAmelCase  =				queue_backward.get()
								visited_backward.add(snake_case__ )

								lowerCAmelCase  =				pass_and_relaxation(
								    snake_case__      ,       snake_case__      ,       snake_case__      ,       snake_case__      ,       snake_case__      ,       snake_case__      ,       snake_case__      ,       snake_case__      ,       snake_case__      ,       )

								lowerCAmelCase  =				pass_and_relaxation(
								    snake_case__      ,       snake_case__      ,       snake_case__      ,       snake_case__      ,       snake_case__      ,       snake_case__      ,       snake_case__      ,       snake_case__      ,       snake_case__      ,       )

								if cst_fwd[v_fwd] + cst_bwd[v_bwd] >= shortest_distance:
												break

				if shortest_distance != np.inf:
								lowerCAmelCase  =				shortest_distance
				return shortest_path_distance


a      =							{
    'B': [['C', 1]],
    'C': [['D', 1]],
    'D': [['F', 1]],
    'E': [['B', 1], ['G', 2]],
    'F': [],
    'G': [['F', 1]],
}
a      =							{
    'B': [['E', 1]],
    'C': [['B', 1]],
    'D': [['C', 1]],
    'F': [['D', 1], ['G', 1]],
    'E': [[None, np.inf]],
    'G': [['E', 2]],
}

if __name__ == "__main__":
		import doctest

		doctest.testmod()





