
from __future__ import annotations

import time

__A							=list[tuple[int, int]]

__A							=[
    [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							=[[-1, 0], [0, -1], [1, 0], [0, 1]]  # up, left, down, right




class        _SCREAMING_SNAKE_CASE	:



	def __init__(       self		,    lowercase		,    lowercase		,    lowercase		,    lowercase		,    lowercase					)							->			Union[str, Any]:
					lowerCamelCase_         =     pos_x
					lowerCamelCase_         =     pos_y
					lowerCamelCase_         =     (pos_y, pos_x)
					lowerCamelCase_         =     goal_x
					lowerCamelCase_         =     goal_y
					lowerCamelCase_         =     parent




class        _SCREAMING_SNAKE_CASE	:



	def __init__(       self		,    lowercase		,    lowercase					)							->			List[str]:
					lowerCamelCase_         =     Node(start[1]		,    start[0]		,    goal[1]		,    goal[0]		,    lowercase					)
					lowerCamelCase_         =     Node(goal[1]		,    goal[0]		,    goal[1]		,    goal[0]		,    lowercase					)

					lowerCamelCase_         =     [self.start]
					lowerCamelCase_         =     False



	def        SCREAMING_SNAKE_CASE_(       self					)							->			Path | None:
					while self.node_queue:
									lowerCamelCase_         =     self.node_queue.pop(0					)

									if current_node.pos == self.target.pos:
													lowerCamelCase_         =     True
													return self.retrace_path(lowercase					)

									lowerCamelCase_         =     self.get_successors(lowercase					)

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

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



	def        SCREAMING_SNAKE_CASE_(       self		,    lowercase					)							->			list[Node]:
					lowerCamelCase_         =     []
					for action in delta:
									lowerCamelCase_         =     parent.pos_x + action[1]
									lowerCamelCase_         =     parent.pos_y + action[0]
									if not (0 <= pos_x <= len(grid[0]					) - 1 and 0 <= pos_y <= len(lowercase					) - 1):
													continue

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

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



	def        SCREAMING_SNAKE_CASE_(       self		,    lowercase					)							->			Path:
					lowerCamelCase_         =     node
					lowerCamelCase_         =     []
					while current_node is not None:
									path.append((current_node.pos_y, current_node.pos_x)					)
									lowerCamelCase_         =     current_node.parent
					path.reverse()
					return path




class        _SCREAMING_SNAKE_CASE	:



	def __init__(       self		,    lowercase		,    lowercase					)							->			Any:
					lowerCamelCase_         =     BreadthFirstSearch(lowercase		,    lowercase					)
					lowerCamelCase_         =     BreadthFirstSearch(lowercase		,    lowercase					)
					lowerCamelCase_         =     False



	def        SCREAMING_SNAKE_CASE_(       self					)							->			Path | None:
					while self.fwd_bfs.node_queue or self.bwd_bfs.node_queue:
									lowerCamelCase_         =     self.fwd_bfs.node_queue.pop(0					)
									lowerCamelCase_         =     self.bwd_bfs.node_queue.pop(0					)

									if current_bwd_node.pos == current_fwd_node.pos:
													lowerCamelCase_         =     True
													return self.retrace_bidirectional_path(
													    lowercase		,    lowercase					)

									lowerCamelCase_         =     current_bwd_node
									lowerCamelCase_         =     current_fwd_node

									lowerCamelCase_         =     {
									    self.fwd_bfs: self.fwd_bfs.get_successors(lowercase					),
									    self.bwd_bfs: self.bwd_bfs.get_successors(lowercase					),
									}

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

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



	def        SCREAMING_SNAKE_CASE_(       self		,    lowercase		,    lowercase					)							->			Path:
					lowerCamelCase_         =     self.fwd_bfs.retrace_path(lowercase					)
					lowerCamelCase_         =     self.bwd_bfs.retrace_path(lowercase					)
					bwd_path.pop()
					bwd_path.reverse()
					lowerCamelCase_         =     fwd_path + bwd_path
					return path


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

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

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

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

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

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




import json
import os
from pathlib import Path

import pytest

from datasets.download.download_config import DownloadConfig
from datasets.download.download_manager import DownloadManager
from datasets.utils.file_utils import hash_url_to_filename


__A							='''http://www.mocksite.com/file1.txt'''
__A							='''"text": ["foo", "foo"]'''
__A							='''6d8ce9aa78a471c7477201efbeabd3bb01ac2e7d100a6dc024ba1608361f90a8'''




class        _SCREAMING_SNAKE_CASE	:
	lowerCAmelCase__   =					2_00
	lowerCAmelCase__   =					{'Content-Length': '100'}
	lowerCAmelCase__   =					{}



	def        SCREAMING_SNAKE_CASE_(       self		,    **lowercase					)							->			int:
					return [bytes(lowercase		,    "utf-8"					)]





def      lowerCamelCase_					(							*lowerCamelCase__      ,					**lowerCamelCase__       ):
				return MockResponse()





@pytest.mark.parametrize("urls_type"      ,					[str, list, dict]       )
def      lowerCamelCase_					(							lowerCamelCase__      ,					lowerCamelCase__      ,					lowerCamelCase__       ):
				import requests

				monkeypatch.setattr(lowerCamelCase__      ,					"request"      ,					lowerCamelCase__       )

				lowerCamelCase_         =     URL
				if issubclass(lowerCamelCase__      ,					lowerCamelCase__       ):
								lowerCamelCase_         =     url
				elif issubclass(lowerCamelCase__      ,					lowerCamelCase__       ):
								lowerCamelCase_         =     [url]
				elif issubclass(lowerCamelCase__      ,					lowerCamelCase__       ):
								lowerCamelCase_         =     {"train": url}
				lowerCamelCase_         =     "dummy"
				lowerCamelCase_         =     "downloads"
				lowerCamelCase_         =     tmp_path
				lowerCamelCase_         =     DownloadConfig(
				    cache_dir=os.path.join(lowerCamelCase__      ,					lowerCamelCase__       )      ,					use_etag=lowerCamelCase__      ,					)
				lowerCamelCase_         =     DownloadManager(dataset_name=lowerCamelCase__      ,					download_config=lowerCamelCase__       )
				lowerCamelCase_         =     dl_manager.download(lowerCamelCase__       )
				lowerCamelCase_         =     urls
				for downloaded_paths in [downloaded_paths]:
								if isinstance(lowerCamelCase__      ,					lowerCamelCase__       ):
												lowerCamelCase_         =     [downloaded_paths]
												lowerCamelCase_         =     [urls]
								elif isinstance(lowerCamelCase__      ,					lowerCamelCase__       ):
												assert "train" in downloaded_paths.keys()
												lowerCamelCase_         =     downloaded_paths.values()
												lowerCamelCase_         =     urls.values()
								assert downloaded_paths
								for downloaded_path, input_url in zip(lowerCamelCase__      ,					lowerCamelCase__       ):
												assert downloaded_path == dl_manager.downloaded_paths[input_url]
												lowerCamelCase_         =     Path(lowerCamelCase__       )
												lowerCamelCase_         =     downloaded_path.parts
												assert parts[-1] == HASH
												assert parts[-2] == cache_subdir
												assert downloaded_path.exists()
												lowerCamelCase_         =     downloaded_path.read_text()
												assert content == CONTENT
												lowerCamelCase_         =     downloaded_path.with_suffix(".json"       )
												assert metadata_downloaded_path.exists()
												lowerCamelCase_         =     json.loads(metadata_downloaded_path.read_text()       )
												assert metadata_content == {"url": URL, "etag": None}





@pytest.mark.parametrize("paths_type"      ,					[str, list, dict]       )
def      lowerCamelCase_					(							lowerCamelCase__      ,					lowerCamelCase__      ,					lowerCamelCase__       ):
				lowerCamelCase_         =     str(lowerCamelCase__       )
				if issubclass(lowerCamelCase__      ,					lowerCamelCase__       ):
								lowerCamelCase_         =     filename
				elif issubclass(lowerCamelCase__      ,					lowerCamelCase__       ):
								lowerCamelCase_         =     [filename]
				elif issubclass(lowerCamelCase__      ,					lowerCamelCase__       ):
								lowerCamelCase_         =     {"train": filename}
				lowerCamelCase_         =     "dummy"
				lowerCamelCase_         =     xz_file.parent
				lowerCamelCase_         =     "extracted"
				lowerCamelCase_         =     DownloadConfig(
				    cache_dir=lowerCamelCase__      ,					use_etag=lowerCamelCase__      ,					)
				lowerCamelCase_         =     DownloadManager(dataset_name=lowerCamelCase__      ,					download_config=lowerCamelCase__       )
				lowerCamelCase_         =     dl_manager.extract(lowerCamelCase__       )
				lowerCamelCase_         =     paths
				for extracted_paths in [extracted_paths]:
								if isinstance(lowerCamelCase__      ,					lowerCamelCase__       ):
												lowerCamelCase_         =     [extracted_paths]
												lowerCamelCase_         =     [paths]
								elif isinstance(lowerCamelCase__      ,					lowerCamelCase__       ):
												assert "train" in extracted_paths.keys()
												lowerCamelCase_         =     extracted_paths.values()
												lowerCamelCase_         =     paths.values()
								assert extracted_paths
								for extracted_path, input_path in zip(lowerCamelCase__      ,					lowerCamelCase__       ):
												assert extracted_path == dl_manager.extracted_paths[input_path]
												lowerCamelCase_         =     Path(lowerCamelCase__       )
												lowerCamelCase_         =     extracted_path.parts
												assert parts[-1] == hash_url_to_filename(lowerCamelCase__      ,					etag=lowerCamelCase__       )
												assert parts[-2] == extracted_subdir
												assert extracted_path.exists()
												lowerCamelCase_         =     extracted_path.read_text()
												lowerCamelCase_         =     text_file.read_text()
												assert extracted_file_content == expected_file_content





def      lowerCamelCase_					(							lowerCamelCase__      ,					lowerCamelCase__       ):
				assert path.endswith(".jsonl"       )
				for num_items, line in enumerate(lowerCamelCase__      ,					start=1       ):
								lowerCamelCase_         =     json.loads(line.decode("utf-8"       )       )
								assert item.keys() == {"col_1", "col_2", "col_3"}
				assert num_items == 4





@pytest.mark.parametrize("archive_jsonl"      ,					["tar_jsonl_path", "zip_jsonl_path"]       )
def      lowerCamelCase_					(							lowerCamelCase__      ,					lowerCamelCase__       ):
				lowerCamelCase_         =     request.getfixturevalue(lowerCamelCase__       )
				lowerCamelCase_         =     DownloadManager()
				for num_jsonl, (path, file) in enumerate(dl_manager.iter_archive(lowerCamelCase__       )      ,					start=1       ):
								_test_jsonl(lowerCamelCase__      ,					lowerCamelCase__       )
				assert num_jsonl == 2





@pytest.mark.parametrize("archive_nested_jsonl"      ,					["tar_nested_jsonl_path", "zip_nested_jsonl_path"]       )
def      lowerCamelCase_					(							lowerCamelCase__      ,					lowerCamelCase__       ):
				lowerCamelCase_         =     request.getfixturevalue(lowerCamelCase__       )
				lowerCamelCase_         =     DownloadManager()
				for num_tar, (path, file) in enumerate(dl_manager.iter_archive(lowerCamelCase__       )      ,					start=1       ):
								for num_jsonl, (subpath, subfile) in enumerate(dl_manager.iter_archive(lowerCamelCase__       )      ,					start=1       ):
												_test_jsonl(lowerCamelCase__      ,					lowerCamelCase__       )
				assert num_tar == 1
				assert num_jsonl == 2





def      lowerCamelCase_					(							lowerCamelCase__       ):
				lowerCamelCase_         =     DownloadManager()
				for num_file, file in enumerate(dl_manager.iter_files(lowerCamelCase__       )      ,					start=1       ):
								assert os.path.basename(lowerCamelCase__       ) == ("test.txt" if num_file == 1 else "train.txt")
				assert num_file == 2


