



"""simple docstring"""

from __future__ import annotations

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




@dataclass
class SCREAMING_SNAKE_CASE__					:
						_lowerCAmelCase							=					42
						_lowerCAmelCase							=					42







class SCREAMING_SNAKE_CASE__					:



						def __init__(self						,     _lowercase							):





													'''simple docstring'''

													__a		:		list[list[Edge]]									=       [[] for _ in range(_lowercase							)]
													__a		:		Dict									=       size



						def __getitem__(self						,     _lowercase							):





													'''simple docstring'''

													return iter(self._graph[vertex]							)



						@property
						def     lowerCAmelCase__(self							):





													'''simple docstring'''

													return self._size



						def     lowerCAmelCase__(self						,     _lowercase						,     _lowercase						,     _lowercase							):





													'''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(_lowercase						,     _lowercase							)							)





						def     lowerCAmelCase__(self						,     _lowercase						,     _lowercase							):





													'''simple docstring'''

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

													while queue:
																				__a		:		Union[str, Any]									=       queue.popleft()
																				__a		:		Any									=       distances[current_vertex]
																				if current_distance is None:
																											continue

																				for edge in self[current_vertex]:
																											__a		:		Union[str, Any]									=       current_distance + edge.weight
																											__a		:		Dict									=       distances[edge.destination_vertex]
																											if (
																											    isinstance(_lowercase						,     _lowercase							)
																											    and new_distance >= dest_vertex_distance
																											):
																																		continue
																											__a		:		Optional[Any]									=       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()






"""simple docstring"""

import unittest

from transformers import (
    MODEL_FOR_SEQUENCE_CLASSIFICATION_MAPPING,
    TF_MODEL_FOR_SEQUENCE_CLASSIFICATION_MAPPING,
    TextClassificationPipeline,
    pipeline,
)
from transformers.testing_utils import is_pipeline_test, nested_simplify, require_tf, require_torch, slow

from .test_pipelines_common import ANY


# These 2 model types require different inputs than those of the usual text models.
lowercase__			   =  {"LayoutLMv2Config", "LayoutLMv3Config"}




@is_pipeline_test
class SCREAMING_SNAKE_CASE__					(		unittest.TestCase      ):
						_lowerCAmelCase							=					MODEL_FOR_SEQUENCE_CLASSIFICATION_MAPPING
						_lowerCAmelCase							=					TF_MODEL_FOR_SEQUENCE_CLASSIFICATION_MAPPING

						if model_mapping is not None:
												_lowerCAmelCase							=					{config: model for config, model in model_mapping.items() if config.__name__ not in _TO_SKIP}
						if tf_model_mapping is not None:
												_lowerCAmelCase							=					{
												    config: model for config, model in tf_model_mapping.items() if config.__name__ not in _TO_SKIP
												}



						@require_torch
						def     lowerCAmelCase__(self							):





													'''simple docstring'''

													__a		:		int									=       pipeline(
													    task="""text-classification"""						,     model="""hf-internal-testing/tiny-random-distilbert"""						,     framework="""pt"""							)

													__a		:		Tuple									=       text_classifier("""This is great !"""							)
													self.assertEqual(nested_simplify(_lowercase							)						,     [{"""label""": """LABEL_0""", """score""": 0.504}]							)

													__a		:		Optional[Any]									=       text_classifier("""This is great !"""						,     top_k=2							)
													self.assertEqual(
													    nested_simplify(_lowercase							)						,     [{"""label""": """LABEL_0""", """score""": 0.504}, {"""label""": """LABEL_1""", """score""": 0.496}]							)

													__a		:		int									=       text_classifier(["""This is great !""", """This is bad"""]						,     top_k=2							)
													self.assertEqual(
													    nested_simplify(_lowercase							)						,     [
													        [{"""label""": """LABEL_0""", """score""": 0.504}, {"""label""": """LABEL_1""", """score""": 0.496}],
													        [{"""label""": """LABEL_0""", """score""": 0.504}, {"""label""": """LABEL_1""", """score""": 0.496}],
													    ]						,     )

													__a		:		List[str]									=       text_classifier("""This is great !"""						,     top_k=1							)
													self.assertEqual(nested_simplify(_lowercase							)						,     [{"""label""": """LABEL_0""", """score""": 0.504}]							)

													# Legacy behavior
													__a		:		Optional[int]									=       text_classifier("""This is great !"""						,     return_all_scores=_lowercase							)
													self.assertEqual(nested_simplify(_lowercase							)						,     [{"""label""": """LABEL_0""", """score""": 0.504}]							)

													__a		:		Tuple									=       text_classifier("""This is great !"""						,     return_all_scores=_lowercase							)
													self.assertEqual(
													    nested_simplify(_lowercase							)						,     [[{"""label""": """LABEL_0""", """score""": 0.504}, {"""label""": """LABEL_1""", """score""": 0.496}]]							)

													__a		:		Any									=       text_classifier(["""This is great !""", """Something else"""]						,     return_all_scores=_lowercase							)
													self.assertEqual(
													    nested_simplify(_lowercase							)						,     [
													        [{"""label""": """LABEL_0""", """score""": 0.504}, {"""label""": """LABEL_1""", """score""": 0.496}],
													        [{"""label""": """LABEL_0""", """score""": 0.504}, {"""label""": """LABEL_1""", """score""": 0.496}],
													    ]						,     )

													__a		:		Union[str, Any]									=       text_classifier(["""This is great !""", """Something else"""]						,     return_all_scores=_lowercase							)
													self.assertEqual(
													    nested_simplify(_lowercase							)						,     [
													        {"""label""": """LABEL_0""", """score""": 0.504},
													        {"""label""": """LABEL_0""", """score""": 0.504},
													    ]						,     )



						@require_torch
						def     lowerCAmelCase__(self							):





													'''simple docstring'''

													import torch

													__a		:		Any									=       pipeline(
													    task="""text-classification"""						,     model="""hf-internal-testing/tiny-random-distilbert"""						,     framework="""pt"""						,     device=torch.device("""cpu"""							)						,     )

													__a		:		Optional[int]									=       text_classifier("""This is great !"""							)
													self.assertEqual(nested_simplify(_lowercase							)						,     [{"""label""": """LABEL_0""", """score""": 0.504}]							)



						@require_tf
						def     lowerCAmelCase__(self							):





													'''simple docstring'''

													__a		:		List[Any]									=       pipeline(
													    task="""text-classification"""						,     model="""hf-internal-testing/tiny-random-distilbert"""						,     framework="""tf"""							)

													__a		:		List[str]									=       text_classifier("""This is great !"""							)
													self.assertEqual(nested_simplify(_lowercase							)						,     [{"""label""": """LABEL_0""", """score""": 0.504}]							)



						@slow
						@require_torch
						def     lowerCAmelCase__(self							):





													'''simple docstring'''

													__a		:		Tuple									=       pipeline("""text-classification"""							)

													__a		:		Tuple									=       text_classifier("""This is great !"""							)
													self.assertEqual(nested_simplify(_lowercase							)						,     [{"""label""": """POSITIVE""", """score""": 1.0}]							)
													__a		:		Optional[int]									=       text_classifier("""This is bad !"""							)
													self.assertEqual(nested_simplify(_lowercase							)						,     [{"""label""": """NEGATIVE""", """score""": 1.0}]							)
													__a		:		Union[str, Any]									=       text_classifier("""Birds are a type of animal"""							)
													self.assertEqual(nested_simplify(_lowercase							)						,     [{"""label""": """POSITIVE""", """score""": 0.988}]							)



						@slow
						@require_tf
						def     lowerCAmelCase__(self							):





													'''simple docstring'''

													__a		:		List[str]									=       pipeline("""text-classification"""						,     framework="""tf"""							)

													__a		:		str									=       text_classifier("""This is great !"""							)
													self.assertEqual(nested_simplify(_lowercase							)						,     [{"""label""": """POSITIVE""", """score""": 1.0}]							)
													__a		:		Tuple									=       text_classifier("""This is bad !"""							)
													self.assertEqual(nested_simplify(_lowercase							)						,     [{"""label""": """NEGATIVE""", """score""": 1.0}]							)
													__a		:		str									=       text_classifier("""Birds are a type of animal"""							)
													self.assertEqual(nested_simplify(_lowercase							)						,     [{"""label""": """POSITIVE""", """score""": 0.988}]							)



						def     lowerCAmelCase__(self						,     _lowercase						,     _lowercase						,     _lowercase							):





													'''simple docstring'''

													__a		:		Dict									=       TextClassificationPipeline(model=_lowercase						,     tokenizer=_lowercase							)
													return text_classifier, ["HuggingFace is in", "This is another test"]





						def     lowerCAmelCase__(self						,     _lowercase						,     _lowercase							):





													'''simple docstring'''

													__a		:		List[str]									=       text_classifier.model
													# Small inputs because BartTokenizer tiny has maximum position embeddings = 22
													__a		:		Union[str, Any]									=       """HuggingFace is in"""
													__a		:		List[str]									=       text_classifier(_lowercase							)

													self.assertEqual(nested_simplify(_lowercase							)						,     [{"""label""": ANY(_lowercase							), """score""": ANY(_lowercase							)}]							)
													self.assertTrue(outputs[0]["""label"""] in model.config.idalabel.values()							)

													__a		:		Optional[int]									=       ["""HuggingFace is in """, """Paris is in France"""]
													__a		:		Dict									=       text_classifier(_lowercase							)
													self.assertEqual(
													    nested_simplify(_lowercase							)						,     [{"""label""": ANY(_lowercase							), """score""": ANY(_lowercase							)}, {"""label""": ANY(_lowercase							), """score""": ANY(_lowercase							)}]						,     )
													self.assertTrue(outputs[0]["""label"""] in model.config.idalabel.values()							)
													self.assertTrue(outputs[1]["""label"""] in model.config.idalabel.values()							)

													# Forcing to get all results with `top_k=None`
													# This is NOT the legacy format
													__a		:		Dict									=       text_classifier(_lowercase						,     top_k=_lowercase							)
													__a		:		Dict									=       len(model.config.idalabel.values()							)
													self.assertEqual(
													    nested_simplify(_lowercase							)						,     [[{"""label""": ANY(_lowercase							), """score""": ANY(_lowercase							)}] * N, [{"""label""": ANY(_lowercase							), """score""": ANY(_lowercase							)}] * N]						,     )

													__a		:		Dict									=       {"""text""": """HuggingFace is in """, """text_pair""": """Paris is in France"""}
													__a		:		Any									=       text_classifier(_lowercase							)
													self.assertEqual(
													    nested_simplify(_lowercase							)						,     {"""label""": ANY(_lowercase							), """score""": ANY(_lowercase							)}						,     )
													self.assertTrue(outputs["""label"""] in model.config.idalabel.values()							)

													# This might be used a text pair, but tokenizer + pipe interaction
													# makes it hard to understand that it's not using the pair properly
													# https://github.com/huggingface/transformers/issues/17305
													# We disabled this usage instead as it was outputting wrong outputs.
													__a		:		Dict									=       [["""HuggingFace is in """, """Paris is in France"""]]
													with self.assertRaises(_lowercase							):
																				text_classifier(_lowercase							)

													# This used to be valid for doing text pairs
													# We're keeping it working because of backward compatibility
													__a		:		Optional[int]									=       text_classifier([[["""HuggingFace is in """, """Paris is in France"""]]]							)
													self.assertEqual(
													    nested_simplify(_lowercase							)						,     [{"""label""": ANY(_lowercase							), """score""": ANY(_lowercase							)}]						,     )
													self.assertTrue(outputs[0]["""label"""] in model.config.idalabel.values()							)

