from __future__ import annotations

UpperCamelCase__    							= list[tuple[int, int]]

UpperCamelCase__    							= [
    [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],
]

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





class 					A							:


   def __init__(self					:						Dict	,  __UpperCAmelCase					:						Optional[int]	,  __UpperCAmelCase					:						List[Any]	,  __UpperCAmelCase					:						Any	,  __UpperCAmelCase					:						str	,  __UpperCAmelCase					:						Optional[int]	,  __UpperCAmelCase					:						int	,  )						->    int:
         """simple docstring"""



         UpperCAmelCase__								=  pos_x
         UpperCAmelCase__								=  pos_y
         UpperCAmelCase__								=  (pos_y, pos_x)
         UpperCAmelCase__								=  goal_x
         UpperCAmelCase__								=  goal_y
         UpperCAmelCase__								=  g_cost
         UpperCAmelCase__								=  parent
         UpperCAmelCase__								=  self.calculate_heuristic()


   def       lowercase_				(self					:						Union[str, Any]		)						->    float:
         """simple docstring"""



         UpperCAmelCase__								=  abs(self.pos_x - self.goal_x		)
         UpperCAmelCase__								=  abs(self.pos_y - self.goal_y		)
         return dx + dy





   def __lt__(self					:						Optional[Any]	,  __UpperCAmelCase					:						Any		)						->    bool:
         """simple docstring"""



         return self.f_cost < other.f_cost





class 					A							:


   def __init__(self					:						Any	,  __UpperCAmelCase					:						Tuple	,  __UpperCAmelCase					:						List[Any]		)						->    Optional[int]:
         """simple docstring"""



         UpperCAmelCase__								=  Node(start[1]	,  start[0]	,  goal[1]	,  goal[0]	,  0	,  _SCREAMING_SNAKE_CASE		)
         UpperCAmelCase__								=  Node(goal[1]	,  goal[0]	,  goal[1]	,  goal[0]	,  9_9_9_9_9	,  _SCREAMING_SNAKE_CASE		)

         UpperCAmelCase__								=  [self.start]
         UpperCAmelCase__								=  []

         UpperCAmelCase__								=  False


   def       lowercase_				(self					:						Optional[int]		)						->    Path | None:
         """simple docstring"""



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

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

               self.closed_nodes.append(_SCREAMING_SNAKE_CASE		)
               UpperCAmelCase__								=  self.get_successors(_SCREAMING_SNAKE_CASE		)

               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(_SCREAMING_SNAKE_CASE		)
                     else:
                           # retrieve the best current path
                           UpperCAmelCase__								=  self.open_nodes.pop(self.open_nodes.index(_SCREAMING_SNAKE_CASE		)		)

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

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


   def       lowercase_				(self					:						Optional[int]	,  __UpperCAmelCase					:						Dict		)						->    list[Node]:
         """simple docstring"""



         UpperCAmelCase__								=  []
         for action in delta:
               UpperCAmelCase__								=  parent.pos_x + action[1]
               UpperCAmelCase__								=  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	,  parent.g_cost + 1	,  _SCREAMING_SNAKE_CASE	,  )		)
         return successors





   def       lowercase_				(self					:						str	,  __UpperCAmelCase					:						str		)						->    Path:
         """simple docstring"""



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


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

      print('------')

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

            for elem in grid:
                  print(elem)




# Copyright 2021 The HuggingFace Team. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import argparse

from .config import config_command_parser
from .config_args import default_config_file, load_config_from_file  # noqa: F401
from .default import default_command_parser
from .update import update_command_parser




def        lowerCAmelCase_			(					__A=None							)					->    str:







      '''simple docstring'''


      UpperCAmelCase__								=  argparse.ArgumentParser(add_help=__A,  allow_abbrev=__A							)
      # The main config parser
      UpperCAmelCase__								=  config_command_parser(__A							)
      # The subparser to add commands to
      UpperCAmelCase__								=  config_parser.add_subparsers(title="subcommands",  dest="subcommand"							)

      # Then add other parsers with the parent parser
      default_command_parser(__A,  parents=[parent_parser]							)
      update_command_parser(__A,  parents=[parent_parser]							)

      return config_parser




def        lowerCAmelCase_			(					)					->    Any:







      '''simple docstring'''


      UpperCAmelCase__								=  get_config_parser()
      UpperCAmelCase__								=  config_parser.parse_args()

      if not hasattr(__A,  "func"							):
            config_parser.print_help()
            exit(1							)

      # Run
      args.func(__A							)


if __name__ == "__main__":
      main()



