


"""simple docstring"""



import enum
import os
from hashlib import shaaaa
from typing import Optional

from .. import config
from .logging import get_logger


__snake_case         =					get_logger(__name__)







class _lowerCAmelCase       (   enum.Enum			):
   __UpperCAmelCase				: List[str]													=						'''all_checks'''
   __UpperCAmelCase				: List[str]													=						'''basic_checks'''
   __UpperCAmelCase				: Optional[int]													=						'''no_checks'''







class _lowerCAmelCase       (   snake_case_			):
   pass







class _lowerCAmelCase       (   snake_case_			):
   pass







class _lowerCAmelCase       (   snake_case_			):
   pass







class _lowerCAmelCase       (   snake_case_			):
   pass







def 						__lowerCAmelCase		(		lowercase						:						Optional[dict]		,							lowercase						:						dict		,							lowercase						:						str=None				)			->		Dict:


    """simple docstring"""





    if expected_checksums is None:
        logger.info("Unable to verify checksums."				)
        return
    if len(set(lowercase				) - set(lowercase				)				) > 0:
        raise ExpectedMoreDownloadedFiles(str(set(lowercase				) - set(lowercase				)				)				)
    if len(set(lowercase				) - set(lowercase				)				) > 0:
        raise UnexpectedDownloadedFile(str(set(lowercase				) - set(lowercase				)				)				)
    snake_case					:   Optional[Any]         =					[url for url in expected_checksums if expected_checksums[url] != recorded_checksums[url]]
    snake_case					:   str         =					" for " + verification_name if verification_name is not None else ""
    if len(lowercase				) > 0:
        raise NonMatchingChecksumError(
            F'Checksums didn\'t match{for_verification_name}:\n'
            F'{bad_urls}\n'
            "Set `verification_mode='no_checks'` to skip checksums verification and ignore this error"				)
    logger.info("All the checksums matched successfully" + for_verification_name				)







class _lowerCAmelCase       (   snake_case_			):
   pass







class _lowerCAmelCase       (   snake_case_			):
   pass







class _lowerCAmelCase       (   snake_case_			):
   pass







class _lowerCAmelCase       (   snake_case_			):
   pass







def 						__lowerCAmelCase		(		lowercase						:						Optional[dict]		,							lowercase						:						dict				)			->		int:


    """simple docstring"""





    if expected_splits is None:
        logger.info("Unable to verify splits sizes."				)
        return
    if len(set(lowercase				) - set(lowercase				)				) > 0:
        raise ExpectedMoreSplits(str(set(lowercase				) - set(lowercase				)				)				)
    if len(set(lowercase				) - set(lowercase				)				) > 0:
        raise UnexpectedSplits(str(set(lowercase				) - set(lowercase				)				)				)
    snake_case					:   Union[str, Any]         =					[
        {"expected": expected_splits[name], "recorded": recorded_splits[name]}
        for name in expected_splits
        if expected_splits[name].num_examples != recorded_splits[name].num_examples
    ]
    if len(lowercase				) > 0:
        raise NonMatchingSplitsSizesError(str(lowercase				)				)
    logger.info("All the splits matched successfully."				)







def 						__lowerCAmelCase		(		lowercase						:						str		,							lowercase						:						bool = True				)			->		dict:


    """simple docstring"""





    if record_checksum:
        snake_case					:   Any         =					shaaaa()
        with open(lowercase		,							"rb"				) as f:
            for chunk in iter(lambda: f.read(1 << 20				)		,							b""				):
                m.update(lowercase				)
            snake_case					:   Any         =					m.hexdigest()
    else:
        snake_case					:   str         =					None
    return {"num_bytes": os.path.getsize(lowercase				), "checksum": checksum}







def 						__lowerCAmelCase		(		lowercase						:						Any				)			->		Dict:


    """simple docstring"""





    if dataset_size and config.IN_MEMORY_MAX_SIZE:
        return dataset_size < config.IN_MEMORY_MAX_SIZE
    else:
        return False









"""simple docstring"""



from __future__ import annotations

__snake_case         =					list[tuple[int, int]]

__snake_case         =					[
    [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],
]

__snake_case         =					([-1, 0], [0, -1], [1, 0], [0, 1])  # up, left, down, right







class _lowerCAmelCase       :







   def __init__(			self		,			UpperCamelCase__		,			UpperCamelCase__		,			UpperCamelCase__		,			UpperCamelCase__		,			UpperCamelCase__		,			UpperCamelCase__		,			)			->	str:

       '''simple docstring'''




       snake_case					:   int         =					pos_x
       snake_case					:   List[str]         =					pos_y
       snake_case					:   List[Any]         =					(pos_y, pos_x)
       snake_case					:   Optional[int]         =					goal_x
       snake_case					:   Dict         =					goal_y
       snake_case					:   Any         =					g_cost
       snake_case					:   List[Any]         =					parent
       snake_case					:   Union[str, Any]         =					self.calculate_heuristic()







   def 				lowerCamelCase	(			self		)			->	float:

       '''simple docstring'''




       snake_case					:   Optional[Any]         =					abs(self.pos_x - self.goal_x		)
       snake_case					:   Dict         =					abs(self.pos_y - self.goal_y		)
       return dx + dy







   def __lt__(			self		,			UpperCamelCase__		)			->	bool:

       '''simple docstring'''




       return self.f_cost < other.f_cost







class _lowerCAmelCase       :







   def __init__(			self		,			UpperCamelCase__		,			UpperCamelCase__		)			->	List[Any]:

       '''simple docstring'''




       snake_case					:   int         =					Node(start[1]		,			start[0]		,			goal[1]		,			goal[0]		,			0		,			UpperCamelCase__		)
       snake_case					:   List[Any]         =					Node(goal[1]		,			goal[0]		,			goal[1]		,			goal[0]		,			9_9999		,			UpperCamelCase__		)

       snake_case					:   Tuple         =					[self.start]
       snake_case					:   list[Node]         =					[]

       snake_case					:   Dict         =					False







   def 				lowerCamelCase	(			self		)			->	Path | None:

       '''simple docstring'''




       while self.open_nodes:
           # Open Nodes are sorted using __lt__
           self.open_nodes.sort()
           snake_case					:   str         =					self.open_nodes.pop(0		)

           if current_node.pos == self.target.pos:
               snake_case					:   Tuple         =					True
               return self.retrace_path(UpperCamelCase__		)

           self.closed_nodes.append(UpperCamelCase__		)
           snake_case					:   Optional[Any]         =					self.get_successors(UpperCamelCase__		)

           for child_node in successors:
               if child_node in self.closed_nodes:
                   continue

               if child_node not in self.open_nodes:
                   self.open_nodes.append(UpperCamelCase__		)
               else:
                   # retrieve the best current path
                   snake_case					:   Dict         =					self.open_nodes.pop(self.open_nodes.index(UpperCamelCase__		)		)

                   if child_node.g_cost < better_node.g_cost:
                       self.open_nodes.append(UpperCamelCase__		)
                   else:
                       self.open_nodes.append(UpperCamelCase__		)

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







   def 				lowerCamelCase	(			self		,			UpperCamelCase__		)			->	list[Node]:

       '''simple docstring'''




       snake_case					:   Dict         =					[]
       for action in delta:
           snake_case					:   Union[str, Any]         =					parent.pos_x + action[1]
           snake_case					:   str         =					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		,			parent.g_cost + 1		,			UpperCamelCase__		,			)		)
       return successors







   def 				lowerCamelCase	(			self		,			UpperCamelCase__		)			->	Path:

       '''simple docstring'''




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


if __name__ == "__main__":
  __snake_case         =					(0, 0)
  __snake_case         =					(len(grid) - 1, len(grid[0]) - 1)
  for elem in grid:
    print(elem)

  print("""------""")

  __snake_case         =					GreedyBestFirst(init, goal)
  __snake_case         =					greedy_bf.search()
  if path:
    for pos_x, pos_y in path:
      __snake_case         =					2

    for elem in grid:
      print(elem)





