"""simple docstring"""




from __future__ import annotations

import time

__lowerCamelCase							 =     list[tuple[int, int]]

__lowerCamelCase							 =     [
    [0, 0, 0, 0, 0, 0, 0],
    [0, 1, 0, 0, 0, 0, 0],  # 0 are free path whereas 1's are obstacles
    [0, 0, 0, 0, 0, 0, 0],
    [0, 0, 1, 0, 0, 0, 0],
    [1, 0, 1, 0, 0, 0, 0],
    [0, 0, 0, 0, 0, 0, 0],
    [0, 0, 0, 0, 1, 0, 0],
]

__lowerCamelCase							 =     [[-1, 0], [0, -1], [1, 0], [0, 1]]  # up, left, down, right
class 			UpperCamelCase__:





						def __init__(				self						,__UpperCAmelCase						,__UpperCAmelCase						,__UpperCAmelCase						,__UpperCAmelCase						,__UpperCAmelCase   )    -> Any:
													A__		   =							pos_x
													A__		   =							pos_y
													A__		   =							(pos_y, pos_x)
													A__		   =							goal_x
													A__		   =							goal_y
													A__		   =							parent






class 			UpperCamelCase__:





						def __init__(				self						,__UpperCAmelCase						,__UpperCAmelCase   )    -> Dict:
													A__		   =							Node(start[1]						,start[0]						,goal[1]						,goal[0]						,UpperCAmelCase__   )
													A__		   =							Node(goal[1]						,goal[0]						,goal[1]						,goal[0]						,UpperCAmelCase__   )

													A__		   =							[self.start]
													A__		   =							False





						def  snake_case__		(				self   )    -> int:
													while self.node_queue:
																				A__		   =							self.node_queue.pop(0   )

																				if current_node.pos == self.target.pos:
																											A__		   =							True
																											return self.retrace_path(UpperCAmelCase__   )

																				A__		   =							self.get_successors(UpperCAmelCase__   )

																				for node in successors:
																											self.node_queue.append(UpperCAmelCase__   )

													if not self.reached:
																				return [self.start.pos]
													return None





						def  snake_case__		(				self						,__UpperCAmelCase   )    -> List[str]:
													A__		   =							[]
													for action in delta:
																				A__		   =							parent.pos_x + action[1]
																				A__		   =							parent.pos_y + action[0]
																				if not (0 <= pos_x <= len(grid[0]   ) - 1 and 0 <= pos_y <= len(UpperCAmelCase__   ) - 1):
																											continue

																				if grid[pos_y][pos_x] != 0:
																											continue

																				successors.append(
																				    Node(UpperCAmelCase__						,UpperCAmelCase__						,self.target.pos_y						,self.target.pos_x						,UpperCAmelCase__   )   )
													return successors





						def  snake_case__		(				self						,__UpperCAmelCase   )    -> str:
													A__		   =							node
													A__		   =							[]
													while current_node is not None:
																				path.append((current_node.pos_y, current_node.pos_x)   )
																				A__		   =							current_node.parent
													path.reverse()
													return path






class 			UpperCamelCase__:





						def __init__(				self						,__UpperCAmelCase						,__UpperCAmelCase   )    -> Tuple:
													A__		   =							BreadthFirstSearch(UpperCAmelCase__						,UpperCAmelCase__   )
													A__		   =							BreadthFirstSearch(UpperCAmelCase__						,UpperCAmelCase__   )
													A__		   =							False





						def  snake_case__		(				self   )    -> Tuple:
													while self.fwd_bfs.node_queue or self.bwd_bfs.node_queue:
																				A__		   =							self.fwd_bfs.node_queue.pop(0   )
																				A__		   =							self.bwd_bfs.node_queue.pop(0   )

																				if current_bwd_node.pos == current_fwd_node.pos:
																											A__		   =							True
																											return self.retrace_bidirectional_path(
																											    UpperCAmelCase__						,UpperCAmelCase__   )

																				A__		   =							current_bwd_node
																				A__		   =							current_fwd_node

																				A__		   =							{
																				    self.fwd_bfs: self.fwd_bfs.get_successors(UpperCAmelCase__   ),
																				    self.bwd_bfs: self.bwd_bfs.get_successors(UpperCAmelCase__   ),
																				}

																				for bfs in [self.fwd_bfs, self.bwd_bfs]:
																											for node in successors[bfs]:
																																		bfs.node_queue.append(UpperCAmelCase__   )

													if not self.reached:
																				return [self.fwd_bfs.start.pos]
													return None





						def  snake_case__		(				self						,__UpperCAmelCase						,__UpperCAmelCase   )    -> Dict:
													A__		   =							self.fwd_bfs.retrace_path(UpperCAmelCase__   )
													A__		   =							self.bwd_bfs.retrace_path(UpperCAmelCase__   )
													bwd_path.pop()
													bwd_path.reverse()
													A__		   =							fwd_path + bwd_path
													return path


if __name__ == "__main__":
				# all coordinates are given in format [y,x]
				import doctest

				doctest.testmod()
				__lowerCamelCase							 =     (0, 0)
				__lowerCamelCase							 =     (len(grid) - 1, len(grid[0]) - 1)
				for elem in grid:
								print(elem)

				__lowerCamelCase							 =     time.time()
				__lowerCamelCase							 =     BreadthFirstSearch(init, goal)
				__lowerCamelCase							 =     bfs.search()
				__lowerCamelCase							 =     time.time() - start_bfs_time

				print("Unidirectional BFS computation time : ", bfs_time)

				__lowerCamelCase							 =     time.time()
				__lowerCamelCase							 =     BidirectionalBreadthFirstSearch(init, goal)
				__lowerCamelCase							 =     bd_bfs.search()
				__lowerCamelCase							 =     time.time() - start_bd_bfs_time

				print("Bidirectional BFS computation time : ", bd_bfs_time)








"""simple docstring"""





import unittest

from transformers import MODEL_FOR_DOCUMENT_QUESTION_ANSWERING_MAPPING, AutoTokenizer, is_vision_available
from transformers.pipelines import pipeline
from transformers.pipelines.document_question_answering import apply_tesseract
from transformers.testing_utils import (
    is_pipeline_test,
    nested_simplify,
    require_detectrona,
    require_pytesseract,
    require_tf,
    require_torch,
    require_vision,
    slow,
)

from .test_pipelines_common import ANY


if is_vision_available():
   from PIL import Image

   from transformers.image_utils import load_image
else:




   class 					_lowerCAmelCase  :







    """simple docstring"""







    @staticmethod
    def 					_lowercase (			*UpperCAmelCase__							:			Tuple,					**UpperCAmelCase__							:			List[Any]	):
       pass







   def   _A  (  UpperCamelCase_     :       Union[str, Any])	->						Any:
      '''simple docstring'''


      return None


# This is a pinned image from a specific revision of a document question answering space, hosted by HuggingFace,
# so we can expect it to be available.
_a       =							(
    'https://huggingface.co/spaces/impira/docquery/resolve/2f6c96314dc84dfda62d40de9da55f2f5165d403/invoice.png'
)




@is_pipeline_test
@require_torch
@require_vision
class 					_lowerCAmelCase  (	unittest.TestCase   ):







 """simple docstring"""







 __UpperCAmelCase	:					Tuple   		=	MODEL_FOR_DOCUMENT_QUESTION_ANSWERING_MAPPING


 @require_pytesseract
 @require_vision
 def 					_lowercase (			self							:			Optional[Any],					UpperCAmelCase__							:			Optional[Any],					UpperCAmelCase__							:			Dict,					UpperCAmelCase__							:			Optional[Any]	):
    __lowercase								=						pipeline(
        "document-question-answering",					model=UpperCAmelCase__,					tokenizer=UpperCAmelCase__,					image_processor=UpperCAmelCase__	)

    __lowercase								=						INVOICE_URL
    __lowercase								=						list(zip(*apply_tesseract(load_image(UpperCAmelCase__	),					UpperCAmelCase__,					""	)	)	)
    __lowercase								=						"What is the placebo?"
    __lowercase								=						[
        {
            "image": load_image(UpperCAmelCase__	),
            "question": question,
        },
        {
            "image": image,
            "question": question,
        },
        {
            "image": image,
            "question": question,
            "word_boxes": word_boxes,
        },
    ]
    return dqa_pipeline, examples


 def 					_lowercase (			self							:			int,					UpperCAmelCase__							:			Tuple,					UpperCAmelCase__							:			Any	):
    __lowercase								=						dqa_pipeline(UpperCAmelCase__,					top_k=2	)
    self.assertEqual(
        UpperCAmelCase__,					[
            [
                {"score": ANY(UpperCAmelCase__	), "answer": ANY(UpperCAmelCase__	), "start": ANY(UpperCAmelCase__	), "end": ANY(UpperCAmelCase__	)},
                {"score": ANY(UpperCAmelCase__	), "answer": ANY(UpperCAmelCase__	), "start": ANY(UpperCAmelCase__	), "end": ANY(UpperCAmelCase__	)},
            ]
        ]
        * 3,					)


 @require_torch
 @require_detectrona
 @require_pytesseract
 def 					_lowercase (			self							:			Dict	):
    __lowercase								=						pipeline("document-question-answering",					model="hf-internal-testing/tiny-random-layoutlmv2"	)
    __lowercase								=						INVOICE_URL
    __lowercase								=						"How many cats are there?"

    __lowercase								=						[
        {"score": 0.0_001, "answer": "oy 2312/2019", "start": 3_8, "end": 3_9},
        {"score": 0.0_001, "answer": "oy 2312/2019 DUE", "start": 3_8, "end": 4_0},
    ]
    __lowercase								=						dqa_pipeline(image=UpperCAmelCase__,					question=UpperCAmelCase__,					top_k=2	)
    self.assertEqual(nested_simplify(UpperCAmelCase__,					decimals=4	),					UpperCAmelCase__	)

    __lowercase								=						dqa_pipeline({"image": image, "question": question},					top_k=2	)
    self.assertEqual(nested_simplify(UpperCAmelCase__,					decimals=4	),					UpperCAmelCase__	)

    # This image does not detect ANY text in it, meaning layoutlmv2 should fail.
    # Empty answer probably
    __lowercase								=						"./tests/fixtures/tests_samples/COCO/000000039769.png"
    __lowercase								=						dqa_pipeline(image=UpperCAmelCase__,					question=UpperCAmelCase__,					top_k=2	)
    self.assertEqual(UpperCAmelCase__,					[]	)

    # We can optionnally pass directly the words and bounding boxes
    __lowercase								=						"./tests/fixtures/tests_samples/COCO/000000039769.png"
    __lowercase								=						[]
    __lowercase								=						[]
    __lowercase								=						dqa_pipeline(image=UpperCAmelCase__,					question=UpperCAmelCase__,					words=UpperCAmelCase__,					boxes=UpperCAmelCase__,					top_k=2	)
    self.assertEqual(UpperCAmelCase__,					[]	)


 @slow
 @require_torch
 @require_detectrona
 @require_pytesseract
 def 					_lowercase (			self							:			List[str]	):
    __lowercase								=						pipeline(
        "document-question-answering",					model="tiennvcs/layoutlmv2-base-uncased-finetuned-docvqa",					revision="9977165",					)
    __lowercase								=						INVOICE_URL
    __lowercase								=						"What is the invoice number?"

    __lowercase								=						dqa_pipeline(image=UpperCAmelCase__,					question=UpperCAmelCase__,					top_k=2	)
    self.assertEqual(
        nested_simplify(UpperCAmelCase__,					decimals=4	),					[
            {"score": 0.9_944, "answer": "us-001", "start": 1_6, "end": 1_6},
            {"score": 0.0_009, "answer": "us-001", "start": 1_6, "end": 1_6},
        ],					)

    __lowercase								=						dqa_pipeline({"image": image, "question": question},					top_k=2	)
    self.assertEqual(
        nested_simplify(UpperCAmelCase__,					decimals=4	),					[
            {"score": 0.9_944, "answer": "us-001", "start": 1_6, "end": 1_6},
            {"score": 0.0_009, "answer": "us-001", "start": 1_6, "end": 1_6},
        ],					)

    __lowercase								=						dqa_pipeline(
        [{"image": image, "question": question}, {"image": image, "question": question}],					top_k=2	)
    self.assertEqual(
        nested_simplify(UpperCAmelCase__,					decimals=4	),					[
            [
                {"score": 0.9_944, "answer": "us-001", "start": 1_6, "end": 1_6},
                {"score": 0.0_009, "answer": "us-001", "start": 1_6, "end": 1_6},
            ],
        ]
        * 2,					)


 @slow
 @require_torch
 @require_detectrona
 @require_pytesseract
 def 					_lowercase (			self							:			Dict	):
    __lowercase								=						pipeline(
        "document-question-answering",					model="tiennvcs/layoutlmv2-base-uncased-finetuned-docvqa",					revision="9977165",					max_seq_len=5_0,					)
    __lowercase								=						INVOICE_URL
    __lowercase								=						"What is the invoice number?"

    __lowercase								=						dqa_pipeline(image=UpperCAmelCase__,					question=UpperCAmelCase__,					top_k=2	)
    self.assertEqual(
        nested_simplify(UpperCAmelCase__,					decimals=4	),					[
            {"score": 0.9_974, "answer": "1110212019", "start": 2_3, "end": 2_3},
            {"score": 0.9_948, "answer": "us-001", "start": 1_6, "end": 1_6},
        ],					)

    __lowercase								=						dqa_pipeline({"image": image, "question": question},					top_k=2	)
    self.assertEqual(
        nested_simplify(UpperCAmelCase__,					decimals=4	),					[
            {"score": 0.9_974, "answer": "1110212019", "start": 2_3, "end": 2_3},
            {"score": 0.9_948, "answer": "us-001", "start": 1_6, "end": 1_6},
        ],					)

    __lowercase								=						dqa_pipeline(
        [{"image": image, "question": question}, {"image": image, "question": question}],					top_k=2	)
    self.assertEqual(
        nested_simplify(UpperCAmelCase__,					decimals=4	),					[
            [
                {"score": 0.9_974, "answer": "1110212019", "start": 2_3, "end": 2_3},
                {"score": 0.9_948, "answer": "us-001", "start": 1_6, "end": 1_6},
            ]
        ]
        * 2,					)


 @slow
 @require_torch
 @require_pytesseract
 @require_vision
 def 					_lowercase (			self							:			Optional[Any]	):
    __lowercase								=						AutoTokenizer.from_pretrained(
        "impira/layoutlm-document-qa",					revision="3dc6de3",					add_prefix_space=UpperCAmelCase__	)
    __lowercase								=						pipeline(
        "document-question-answering",					model="impira/layoutlm-document-qa",					tokenizer=UpperCAmelCase__,					revision="3dc6de3",					)
    __lowercase								=						INVOICE_URL
    __lowercase								=						"What is the invoice number?"

    __lowercase								=						dqa_pipeline(image=UpperCAmelCase__,					question=UpperCAmelCase__,					top_k=2	)
    self.assertEqual(
        nested_simplify(UpperCAmelCase__,					decimals=4	),					[
            {"score": 0.4_251, "answer": "us-001", "start": 1_6, "end": 1_6},
            {"score": 0.0_819, "answer": "1110212019", "start": 2_3, "end": 2_3},
        ],					)

    __lowercase								=						dqa_pipeline({"image": image, "question": question},					top_k=2	)
    self.assertEqual(
        nested_simplify(UpperCAmelCase__,					decimals=4	),					[
            {"score": 0.4_251, "answer": "us-001", "start": 1_6, "end": 1_6},
            {"score": 0.0_819, "answer": "1110212019", "start": 2_3, "end": 2_3},
        ],					)

    __lowercase								=						dqa_pipeline(
        [{"image": image, "question": question}, {"image": image, "question": question}],					top_k=2	)
    self.assertEqual(
        nested_simplify(UpperCAmelCase__,					decimals=4	),					[
            [
                {"score": 0.4_251, "answer": "us-001", "start": 1_6, "end": 1_6},
                {"score": 0.0_819, "answer": "1110212019", "start": 2_3, "end": 2_3},
            ]
        ]
        * 2,					)

    __lowercase								=						list(zip(*apply_tesseract(load_image(UpperCAmelCase__	),					UpperCAmelCase__,					""	)	)	)

    # This model should also work if `image` is set to None
    __lowercase								=						dqa_pipeline({"image": None, "word_boxes": word_boxes, "question": question},					top_k=2	)
    self.assertEqual(
        nested_simplify(UpperCAmelCase__,					decimals=4	),					[
            {"score": 0.4_251, "answer": "us-001", "start": 1_6, "end": 1_6},
            {"score": 0.0_819, "answer": "1110212019", "start": 2_3, "end": 2_3},
        ],					)


 @slow
 @require_torch
 @require_pytesseract
 @require_vision
 def 					_lowercase (			self							:			Union[str, Any]	):
    __lowercase								=						AutoTokenizer.from_pretrained(
        "impira/layoutlm-document-qa",					revision="3dc6de3",					add_prefix_space=UpperCAmelCase__	)
    __lowercase								=						pipeline(
        "document-question-answering",					model="impira/layoutlm-document-qa",					tokenizer=UpperCAmelCase__,					revision="3dc6de3",					max_seq_len=5_0,					)
    __lowercase								=						INVOICE_URL
    __lowercase								=						"What is the invoice number?"

    __lowercase								=						dqa_pipeline(image=UpperCAmelCase__,					question=UpperCAmelCase__,					top_k=2	)
    self.assertEqual(
        nested_simplify(UpperCAmelCase__,					decimals=4	),					[
            {"score": 0.9_999, "answer": "us-001", "start": 1_6, "end": 1_6},
            {"score": 0.9_998, "answer": "us-001", "start": 1_6, "end": 1_6},
        ],					)

    __lowercase								=						dqa_pipeline(
        [{"image": image, "question": question}, {"image": image, "question": question}],					top_k=2	)
    self.assertEqual(
        nested_simplify(UpperCAmelCase__,					decimals=4	),					[
            [
                {"score": 0.9_999, "answer": "us-001", "start": 1_6, "end": 1_6},
                {"score": 0.9_998, "answer": "us-001", "start": 1_6, "end": 1_6},
            ]
        ]
        * 2,					)

    __lowercase								=						list(zip(*apply_tesseract(load_image(UpperCAmelCase__	),					UpperCAmelCase__,					""	)	)	)

    # This model should also work if `image` is set to None
    __lowercase								=						dqa_pipeline({"image": None, "word_boxes": word_boxes, "question": question},					top_k=2	)
    self.assertEqual(
        nested_simplify(UpperCAmelCase__,					decimals=4	),					[
            {"score": 0.9_999, "answer": "us-001", "start": 1_6, "end": 1_6},
            {"score": 0.9_998, "answer": "us-001", "start": 1_6, "end": 1_6},
        ],					)


 @slow
 @require_torch
 def 					_lowercase (			self							:			Dict	):
    __lowercase								=						pipeline(
        "document-question-answering",					model="naver-clova-ix/donut-base-finetuned-docvqa",					tokenizer=AutoTokenizer.from_pretrained("naver-clova-ix/donut-base-finetuned-docvqa"	),					feature_extractor="naver-clova-ix/donut-base-finetuned-docvqa",					)

    __lowercase								=						INVOICE_URL
    __lowercase								=						"What is the invoice number?"
    __lowercase								=						dqa_pipeline(image=UpperCAmelCase__,					question=UpperCAmelCase__,					top_k=2	)
    self.assertEqual(nested_simplify(UpperCAmelCase__,					decimals=4	),					[{"answer": "us-001"}]	)



 @require_tf
 @unittest.skip("Document question answering not implemented in TF"	)
 def 					_lowercase (			self							:			List[Any]	):
    pass




