






from __future__ import annotations

from collections import deque
from collections.abc import Iterator
from dataclasses import dataclass




@dataclass
class 			snake_case__   :

       '''simple docstring'''
       lowerCamelCase							:				int
       lowerCamelCase							:				int




class 			snake_case__   :

       '''simple docstring'''



       def __init__(							self			,						a__    ) ->      Any:






            '''simple docstring'''





            __snake_case			:list[list[Edge]]          =						[[] for _ in range(a__    )]
            __snake_case			:List[str]          =						size



       def __getitem__(							self			,						a__    ) ->      Iterator[Edge]:






            '''simple docstring'''





            return iter(self._graph[vertex]    )



       @property
       def 					__lowercase						(							self    ) ->      str:






            '''simple docstring'''





            return self._size



       def 					__lowercase						(							self			,						a__			,						a__			,						a__    ) ->      List[Any]:






            '''simple docstring'''





            if weight not in (0, 1):
                 raise ValueError("""Edge weight must be either 0 or 1."""    )

            if to_vertex < 0 or to_vertex >= self.size:
                 raise ValueError("""Vertex indexes must be in [0; size)."""    )

            self._graph[from_vertex].append(Edge(a__			,						a__    )    )



       def 					__lowercase						(							self			,						a__			,						a__    ) ->      int | None:






            '''simple docstring'''





            __snake_case			:Optional[Any]          =						deque([start_vertex]    )
            __snake_case			:list[int | None]          =						[None] * self.size
            __snake_case			:Tuple          =						0

            while queue:
                 __snake_case			:List[Any]          =						queue.popleft()
                 __snake_case			:Optional[Any]          =						distances[current_vertex]
                 if current_distance is None:
                      continue

                 for edge in self[current_vertex]:
                      __snake_case			:Optional[Any]          =						current_distance + edge.weight
                      __snake_case			:Dict          =						distances[edge.destination_vertex]
                      if (
                          isinstance(a__			,						a__    )
                          and new_distance >= dest_vertex_distance
                      ):
                           continue
                      __snake_case			:Dict          =						new_distance
                      if edge.weight == 0:
                           queue.appendleft(edge.destination_vertex    )
                      else:
                           queue.append(edge.destination_vertex    )

            if distances[finish_vertex] is None:
                 raise ValueError("""No path from start_vertex to finish_vertex."""    )

            return distances[finish_vertex]


if __name__ == "__main__":
     import doctest

     doctest.testmod()










import importlib
import json
import os
import sys
import tempfile
import unittest
from pathlib import Path

import transformers
import transformers.models.auto
from transformers.models.auto.configuration_auto import CONFIG_MAPPING, AutoConfig
from transformers.models.bert.configuration_bert import BertConfig
from transformers.models.roberta.configuration_roberta import RobertaConfig
from transformers.testing_utils import DUMMY_UNKNOWN_IDENTIFIER, get_tests_dir


sys.path.append(str(Path(__file__).parent.parent.parent.parent / """utils"""))

from test_module.custom_configuration import CustomConfig  # noqa E402


lowerCamelCase__							=     get_tests_dir("""fixtures/dummy-config.json""")




class 			snake_case__   (							unittest.TestCase):

       '''simple docstring'''



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






            '''simple docstring'''





            __snake_case			:Optional[int]          =						0



       def 					__lowercase						(							self    ) ->      int:






            '''simple docstring'''





            self.assertIsNotNone(transformers.models.auto.__spec__    )
            self.assertIsNotNone(importlib.util.find_spec("""transformers.models.auto"""    )    )



       def 					__lowercase						(							self    ) ->      List[str]:






            '''simple docstring'''





            __snake_case			:Optional[Any]          =						AutoConfig.from_pretrained("""bert-base-uncased"""    )
            self.assertIsInstance(a__			,						a__    )



       def 					__lowercase						(							self    ) ->      Optional[int]:






            '''simple docstring'''





            __snake_case			:List[str]          =						AutoConfig.from_pretrained(a__    )
            self.assertIsInstance(a__			,						a__    )



       def 					__lowercase						(							self    ) ->      List[Any]:






            '''simple docstring'''





            __snake_case			:Tuple          =						AutoConfig.from_pretrained(a__    )
            self.assertIsInstance(a__			,						a__    )



       def 					__lowercase						(							self    ) ->      str:






            '''simple docstring'''





            __snake_case			:Optional[int]          =						AutoConfig.for_model("""roberta"""    )
            self.assertIsInstance(a__			,						a__    )



       def 					__lowercase						(							self    ) ->      List[Any]:






            '''simple docstring'''





            with tempfile.TemporaryDirectory() as tmp_dir:
                 # This model name contains bert and roberta, but roberta ends up being picked.
                 __snake_case			:List[Any]          =						os.path.join(a__			,						"""fake-roberta"""    )
                 os.makedirs(a__			,						exist_ok=a__    )
                 with open(os.path.join(a__			,						"""config.json"""    )			,						"""w"""    ) as f:
                      f.write(json.dumps({}    )    )
                 __snake_case			:Optional[Any]          =						AutoConfig.from_pretrained(a__    )
                 self.assertEqual(type(a__    )			,						a__    )



       def 					__lowercase						(							self    ) ->      Dict:






            '''simple docstring'''





            try:
                 AutoConfig.register("""custom"""			,						a__    )
                 # Wrong model type will raise an error
                 with self.assertRaises(a__    ):
                      AutoConfig.register("""model"""			,						a__    )
                 # Trying to register something existing in the Transformers library will raise an error
                 with self.assertRaises(a__    ):
                      AutoConfig.register("""bert"""			,						a__    )

                 # Now that the config is registered, it can be used as any other config with the auto-API
                 __snake_case			:Optional[int]          =						CustomConfig()
                 with tempfile.TemporaryDirectory() as tmp_dir:
                      config.save_pretrained(a__    )
                      __snake_case			:Tuple          =						AutoConfig.from_pretrained(a__    )
                      self.assertIsInstance(a__			,						a__    )

            finally:
                 if "custom" in CONFIG_MAPPING._extra_content:
                      del CONFIG_MAPPING._extra_content["custom"]



       def 					__lowercase						(							self    ) ->      int:






            '''simple docstring'''





            with self.assertRaisesRegex(
                a__			,						"""bert-base is not a local folder and is not a valid model identifier"""    ):
                 __snake_case			:str          =						AutoConfig.from_pretrained("""bert-base"""    )



       def 					__lowercase						(							self    ) ->      str:






            '''simple docstring'''





            with self.assertRaisesRegex(
                a__			,						R"""aaaaaa is not a valid git identifier \(branch name, tag name or commit id\)"""    ):
                 __snake_case			:Dict          =						AutoConfig.from_pretrained(a__			,						revision="""aaaaaa"""    )



       def 					__lowercase						(							self    ) ->      Optional[Any]:






            '''simple docstring'''





            with self.assertRaisesRegex(
                a__			,						"""hf-internal-testing/no-config-test-repo does not appear to have a file named config.json."""			,						):
                 __snake_case			:Optional[int]          =						AutoConfig.from_pretrained("""hf-internal-testing/no-config-test-repo"""    )



       def 					__lowercase						(							self    ) ->      int:






            '''simple docstring'''





            with self.assertRaises(a__    ):
                 __snake_case			:Dict          =						AutoConfig.from_pretrained("""hf-internal-testing/test_dynamic_model"""    )
            # If remote code is disabled, we can't load this config.
            with self.assertRaises(a__    ):
                 __snake_case			:int          =						AutoConfig.from_pretrained("""hf-internal-testing/test_dynamic_model"""			,						trust_remote_code=a__    )

            __snake_case			:Tuple          =						AutoConfig.from_pretrained("""hf-internal-testing/test_dynamic_model"""			,						trust_remote_code=a__    )
            self.assertEqual(config.__class__.__name__			,						"""NewModelConfig"""    )

            # Test config can be reloaded.
            with tempfile.TemporaryDirectory() as tmp_dir:
                 config.save_pretrained(a__    )
                 __snake_case			:Union[str, Any]          =						AutoConfig.from_pretrained(a__			,						trust_remote_code=a__    )
            self.assertEqual(reloaded_config.__class__.__name__			,						"""NewModelConfig"""    )



       def 					__lowercase						(							self    ) ->      Dict:






            '''simple docstring'''





            class 			snake_case__   (							lowercase_):

                   '''simple docstring'''
                   lowerCamelCase							:				Optional[Any] 				= "new-model"

            try:
                 AutoConfig.register("""new-model"""			,						a__    )
                 # If remote code is not set, the default is to use local
                 __snake_case			:List[Any]          =						AutoConfig.from_pretrained("""hf-internal-testing/test_dynamic_model"""    )
                 self.assertEqual(config.__class__.__name__			,						"""NewModelConfigLocal"""    )

                 # If remote code is disabled, we load the local one.
                 __snake_case			:Tuple          =						AutoConfig.from_pretrained("""hf-internal-testing/test_dynamic_model"""			,						trust_remote_code=a__    )
                 self.assertEqual(config.__class__.__name__			,						"""NewModelConfigLocal"""    )

                 # If remote is enabled, we load from the Hub
                 __snake_case			:List[Any]          =						AutoConfig.from_pretrained("""hf-internal-testing/test_dynamic_model"""			,						trust_remote_code=a__    )
                 self.assertEqual(config.__class__.__name__			,						"""NewModelConfig"""    )

            finally:
                 if "new-model" in CONFIG_MAPPING._extra_content:
                      del CONFIG_MAPPING._extra_content["new-model"]


