


from __future__ import annotations

import time

A				:       Tuple      =  list[tuple[int, int]]

A				:       int      =  [
    [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],
]

A				:       Tuple      =  [[-1, 0], [0, -1], [1, 0], [0, 1]]  # up, left, down, right






class      UpperCamelCase:


					def __init__(    self						:		str  ,     SCREAMING_SNAKE_CASE						:		int  ,     SCREAMING_SNAKE_CASE						:		int  ,     SCREAMING_SNAKE_CASE						:		int  ,     SCREAMING_SNAKE_CASE						:		int  ,     SCREAMING_SNAKE_CASE						:		Node | None    )      ->						List[Any]:




											'''simple docstring'''

											__snake_case				=		pos_x
											__snake_case				=		pos_y
											__snake_case				=		(pos_y, pos_x)
											__snake_case				=		goal_x
											__snake_case				=		goal_y
											__snake_case				=		parent






class      UpperCamelCase:


					def __init__(    self						:		List[Any]  ,     SCREAMING_SNAKE_CASE						:		tuple[int, int]  ,     SCREAMING_SNAKE_CASE						:		tuple[int, int]    )      ->						Optional[Any]:




											'''simple docstring'''

											__snake_case				=		Node(start[1]  ,     start[0]  ,     goal[1]  ,     goal[0]  ,     SCREAMING_SNAKE_CASE    )
											__snake_case				=		Node(goal[1]  ,     goal[0]  ,     goal[1]  ,     goal[0]  ,     SCREAMING_SNAKE_CASE    )

											__snake_case				=		[self.start]
											__snake_case				=		False


					def 				SCREAMING_SNAKE_CASE_	(    self						:		Optional[int]    )      ->						Path | None:




											'''simple docstring'''

											while self.node_queue:
																	__snake_case				=		self.node_queue.pop(0    )

																	if current_node.pos == self.target.pos:
																							__snake_case				=		True
																							return self.retrace_path(SCREAMING_SNAKE_CASE    )

																	__snake_case				=		self.get_successors(SCREAMING_SNAKE_CASE    )

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

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


					def 				SCREAMING_SNAKE_CASE_	(    self						:		Any  ,     SCREAMING_SNAKE_CASE						:		Node    )      ->						list[Node]:




											'''simple docstring'''

											__snake_case				=		[]
											for action in delta:
																	__snake_case				=		parent.pos_x + action[1]
																	__snake_case				=		parent.pos_y + action[0]
																	if not (0 <= pos_x <= len(grid[0]    ) - 1 and 0 <= pos_y <= len(SCREAMING_SNAKE_CASE    ) - 1):
																							continue

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

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






					def 				SCREAMING_SNAKE_CASE_	(    self						:		Any  ,     SCREAMING_SNAKE_CASE						:		Node | None    )      ->						Path:




											'''simple docstring'''

											__snake_case				=		node
											__snake_case				=		[]
											while current_node is not None:
																	path.append((current_node.pos_y, current_node.pos_x)    )
																	__snake_case				=		current_node.parent
											path.reverse()
											return path






class      UpperCamelCase:


					def __init__(    self						:		List[Any]  ,     SCREAMING_SNAKE_CASE						:		Optional[Any]  ,     SCREAMING_SNAKE_CASE						:		Any    )      ->						Union[str, Any]:




											'''simple docstring'''

											__snake_case				=		BreadthFirstSearch(SCREAMING_SNAKE_CASE  ,     SCREAMING_SNAKE_CASE    )
											__snake_case				=		BreadthFirstSearch(SCREAMING_SNAKE_CASE  ,     SCREAMING_SNAKE_CASE    )
											__snake_case				=		False


					def 				SCREAMING_SNAKE_CASE_	(    self						:		str    )      ->						Path | None:




											'''simple docstring'''

											while self.fwd_bfs.node_queue or self.bwd_bfs.node_queue:
																	__snake_case				=		self.fwd_bfs.node_queue.pop(0    )
																	__snake_case				=		self.bwd_bfs.node_queue.pop(0    )

																	if current_bwd_node.pos == current_fwd_node.pos:
																							__snake_case				=		True
																							return self.retrace_bidirectional_path(
																							    SCREAMING_SNAKE_CASE  ,     SCREAMING_SNAKE_CASE    )

																	__snake_case				=		current_bwd_node
																	__snake_case				=		current_fwd_node

																	__snake_case				=		{
																	    self.fwd_bfs: self.fwd_bfs.get_successors(SCREAMING_SNAKE_CASE    ),
																	    self.bwd_bfs: self.bwd_bfs.get_successors(SCREAMING_SNAKE_CASE    ),
																	}

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

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






					def 				SCREAMING_SNAKE_CASE_	(    self						:		Optional[int]  ,     SCREAMING_SNAKE_CASE						:		Node  ,     SCREAMING_SNAKE_CASE						:		Node    )      ->						Path:




											'''simple docstring'''

											__snake_case				=		self.fwd_bfs.retrace_path(SCREAMING_SNAKE_CASE    )
											__snake_case				=		self.bwd_bfs.retrace_path(SCREAMING_SNAKE_CASE    )
											bwd_path.pop()
											bwd_path.reverse()
											__snake_case				=		fwd_path + bwd_path
											return path


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

	doctest.testmod()
	A				:       List[Any]      =  (0, 0)
	A				:       int      =  (len(grid) - 1, len(grid[0]) - 1)
	for elem in grid:
		print(elem)

	A				:       List[Any]      =  time.time()
	A				:       List[str]      =  BreadthFirstSearch(init, goal)
	A				:       str      =  bfs.search()
	A				:       Union[str, Any]      =  time.time() - start_bfs_time

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

	A				:       Union[str, Any]      =  time.time()
	A				:       Optional[Any]      =  BidirectionalBreadthFirstSearch(init, goal)
	A				:       Optional[Any]      =  bd_bfs.search()
	A				:       Optional[Any]      =  time.time() - start_bd_bfs_time

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









import os

import pytest

from datasets import (
    get_dataset_config_info,
    get_dataset_config_names,
    get_dataset_infos,
    get_dataset_split_names,
    inspect_dataset,
    inspect_metric,
)


A				:       List[str]      =  pytest.mark.integration





@pytest.mark.parametrize("path"   ,						["paws", "csv"]			)
def 						_lowerCAmelCase							(     _lowerCAmelCase   ,						_lowerCAmelCase			)    ->						Any:


						'''simple docstring'''






						inspect_dataset(_lowerCAmelCase   ,						_lowerCAmelCase			)
						__snake_case				=		path + ".py"
						assert script_name in os.listdir(_lowerCAmelCase			)
						assert "__pycache__" not in os.listdir(_lowerCAmelCase			)





@pytest.mark.filterwarnings("ignore:inspect_metric is deprecated:FutureWarning"			)
@pytest.mark.filterwarnings("ignore:metric_module_factory is deprecated:FutureWarning"			)
@pytest.mark.parametrize("path"   ,						["accuracy"]			)
def 						_lowerCAmelCase							(     _lowerCAmelCase   ,						_lowerCAmelCase			)    ->						List[str]:


						'''simple docstring'''






						inspect_metric(_lowerCAmelCase   ,						_lowerCAmelCase			)
						__snake_case				=		path + ".py"
						assert script_name in os.listdir(_lowerCAmelCase			)
						assert "__pycache__" not in os.listdir(_lowerCAmelCase			)





@pytest.mark.parametrize(
    "path, config_name, expected_splits"   ,						[
        ("squad", "plain_text", ["train", "validation"]),
        ("dalle-mini/wit", "dalle-mini--wit", ["train"]),
        ("paws", "labeled_final", ["train", "test", "validation"]),
    ]   ,						)
def 						_lowerCAmelCase							(     _lowerCAmelCase   ,						_lowerCAmelCase   ,						_lowerCAmelCase			)    ->						List[Any]:


						'''simple docstring'''






						__snake_case				=		get_dataset_config_info(_lowerCAmelCase   ,						config_name=_lowerCAmelCase			)
						assert info.config_name == config_name
						assert list(info.splits.keys()			) == expected_splits





@pytest.mark.parametrize(
    "path, config_name, expected_exception"   ,						[
        ("paws", None, ValueError),
    ]   ,						)
def 						_lowerCAmelCase							(     _lowerCAmelCase   ,						_lowerCAmelCase   ,						_lowerCAmelCase			)    ->						Tuple:


						'''simple docstring'''






						with pytest.raises(_lowerCAmelCase			):
												get_dataset_config_info(_lowerCAmelCase   ,						config_name=_lowerCAmelCase			)





@pytest.mark.parametrize(
    "path, expected"   ,						[
        ("squad", "plain_text"),
        ("acronym_identification", "default"),
        ("lhoestq/squad", "plain_text"),
        ("lhoestq/test", "default"),
        ("lhoestq/demo1", "lhoestq--demo1"),
        ("dalle-mini/wit", "dalle-mini--wit"),
    ]   ,						)
def 						_lowerCAmelCase							(     _lowerCAmelCase   ,						_lowerCAmelCase			)    ->						Tuple:


						'''simple docstring'''






						__snake_case				=		get_dataset_config_names(_lowerCAmelCase			)
						assert expected in config_names





@pytest.mark.parametrize(
    "path, expected_configs, expected_splits_in_first_config"   ,						[
        ("squad", ["plain_text"], ["train", "validation"]),
        ("dalle-mini/wit", ["dalle-mini--wit"], ["train"]),
        ("paws", ["labeled_final", "labeled_swap", "unlabeled_final"], ["train", "test", "validation"]),
    ]   ,						)
def 						_lowerCAmelCase							(     _lowerCAmelCase   ,						_lowerCAmelCase   ,						_lowerCAmelCase			)    ->						Any:


						'''simple docstring'''






						__snake_case				=		get_dataset_infos(_lowerCAmelCase			)
						assert list(infos.keys()			) == expected_configs
						__snake_case				=		expected_configs[0]
						assert expected_config in infos
						__snake_case				=		infos[expected_config]
						assert info.config_name == expected_config
						assert list(info.splits.keys()			) == expected_splits_in_first_config





@pytest.mark.parametrize(
    "path, expected_config, expected_splits"   ,						[
        ("squad", "plain_text", ["train", "validation"]),
        ("dalle-mini/wit", "dalle-mini--wit", ["train"]),
        ("paws", "labeled_final", ["train", "test", "validation"]),
    ]   ,						)
def 						_lowerCAmelCase							(     _lowerCAmelCase   ,						_lowerCAmelCase   ,						_lowerCAmelCase			)    ->						int:


						'''simple docstring'''






						__snake_case				=		get_dataset_infos(_lowerCAmelCase			)
						assert expected_config in infos
						__snake_case				=		infos[expected_config]
						assert info.config_name == expected_config
						assert list(info.splits.keys()			) == expected_splits





@pytest.mark.parametrize(
    "path, config_name, expected_exception"   ,						[
        ("paws", None, ValueError),
    ]   ,						)
def 						_lowerCAmelCase							(     _lowerCAmelCase   ,						_lowerCAmelCase   ,						_lowerCAmelCase			)    ->						str:


						'''simple docstring'''






						with pytest.raises(_lowerCAmelCase			):
												get_dataset_split_names(_lowerCAmelCase   ,						config_name=_lowerCAmelCase			)





