




import os
from typing import List, Optional, Union

from ...tokenization_utils import PreTrainedTokenizer
from ...tokenization_utils_base import AddedToken
from ...utils import logging


snake_case_ : Dict    		=       logging.get_logger(__name__)

snake_case_ : Any    		=       {"vocab_file": "vocab.txt"}

snake_case_ : List[Any]    		=       {
    "vocab_file": {
        "facebook/esm2_t6_8M_UR50D": "https://huggingface.co/facebook/esm2_t6_8M_UR50D/resolve/main/vocab.txt",
        "facebook/esm2_t12_35M_UR50D": "https://huggingface.co/facebook/esm2_t12_35M_UR50D/resolve/main/vocab.txt",
    },
}

snake_case_ : Union[str, Any]    		=       {
    "facebook/esm2_t6_8M_UR50D": 1024,
    "facebook/esm2_t12_35M_UR50D": 1024,
}


def    A						(__A   :    Optional[int]       )   ->      Dict:







     """simple docstring"""


     with open(__A   ,				'''r'''       ) as f:
          UpperCAmelCase_          =							f.read().splitlines()
          return [l.strip() for l in lines]







class __snake_case			(			a		):
   UpperCAmelCase__  :    List[Any]          =  VOCAB_FILES_NAMES
   UpperCAmelCase__  :    Union[str, Any]          =  PRETRAINED_VOCAB_FILES_MAP
   UpperCAmelCase__  :    Optional[int]          =  PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
   UpperCAmelCase__  :    Any          =  ['''input_ids''', '''attention_mask''']







   def __init__(      self		:						Any					,						_snake_case		:						int					,						_snake_case		:						Tuple="<unk>"					,						_snake_case		:						List[str]="<cls>"					,						_snake_case		:						str="<pad>"					,						_snake_case		:						str="<mask>"					,						_snake_case		:						Optional[Any]="<eos>"					,						**_snake_case		:						Dict					,						):

        """simple docstring"""


        super().__init__(**_snake_case)
        UpperCAmelCase_          =							load_vocab_file(_snake_case)
        UpperCAmelCase_          =							dict(enumerate(self.all_tokens))
        UpperCAmelCase_          =							{tok: ind for ind, tok in enumerate(self.all_tokens)}
        UpperCAmelCase_          =							unk_token
        UpperCAmelCase_          =							cls_token
        UpperCAmelCase_          =							pad_token
        UpperCAmelCase_          =							mask_token
        UpperCAmelCase_          =							eos_token
        UpperCAmelCase_          =							self.all_tokens
        self._create_trie(self.unique_no_split_tokens)







   def lowerCamelCase						(      self		:						str					,						_snake_case		:						int):

        """simple docstring"""


        return self._id_to_token.get(_snake_case					,						self.unk_token)







   def lowerCamelCase						(      self		:						Union[str, Any]					,						_snake_case		:						str):

        """simple docstring"""


        return self._token_to_id.get(_snake_case					,						self._token_to_id.get(self.unk_token))







   def lowerCamelCase						(      self		:						List[Any]					,						_snake_case		:						List[Any]					,						**_snake_case		:						int):

        """simple docstring"""


        return text.split()







   def lowerCamelCase						(      self		:						int					,						_snake_case		:						Optional[Any]=False):

        """simple docstring"""


        return len(self._id_to_token)







   def lowerCamelCase						(      self		:						str):

        """simple docstring"""


        return {token: i for i, token in enumerate(self.all_tokens)}







   def lowerCamelCase						(      self		:						Dict					,						_snake_case		:						str):

        """simple docstring"""


        return self._token_to_id.get(_snake_case					,						self._token_to_id.get(self.unk_token))







   def lowerCamelCase						(      self		:						Tuple					,						_snake_case		:						int):

        """simple docstring"""


        return self._id_to_token.get(_snake_case					,						self.unk_token)







   def lowerCamelCase						(      self		:						Dict					,						_snake_case		:						List[int]					,						_snake_case		:						Optional[List[int]] = None):

        """simple docstring"""


        UpperCAmelCase_          =							[self.cls_token_id]
        UpperCAmelCase_          =							[self.eos_token_id]  # No sep token in ESM vocabulary
        if token_ids_a is None:
             if self.eos_token_id is None:
                  return cls + token_ids_a
             else:
                  return cls + token_ids_a + sep
        elif self.eos_token_id is None:
             raise ValueError('''Cannot tokenize multiple sequences when EOS token is not set!''')
        return cls + token_ids_a + sep + token_ids_a + sep  # Multiple inputs always have an EOS token







   def lowerCamelCase						(      self		:						Tuple					,						_snake_case		:						List					,						_snake_case		:						Optional[List] = None					,						_snake_case		:						bool = False):

        """simple docstring"""


        if already_has_special_tokens:
             if token_ids_a is not None:
                  raise ValueError(
                      '''You should not supply a second sequence if the provided sequence of '''
                      '''ids is already formatted with special tokens for the model.''')

             return [1 if token in self.all_special_ids else 0 for token in token_ids_a]
        UpperCAmelCase_          =							[1] + ([0] * len(_snake_case)) + [1]
        if token_ids_a is not None:
             mask += [0] * len(_snake_case) + [1]
        return mask







   def lowerCamelCase						(      self		:						Any					,						_snake_case		:						List[str]					,						_snake_case		:						List[str]):

        """simple docstring"""


        UpperCAmelCase_          =							os.path.join(_snake_case					,						(filename_prefix + '''-''' if filename_prefix else '''''') + '''vocab.txt''')
        with open(_snake_case					,						'''w''') as f:
             f.write('''\n'''.join(self.all_tokens))
        return (vocab_file,)







   @property
   def lowerCamelCase						(      self		:						Optional[Any]):

        """simple docstring"""


        return self.get_vocab_size(with_added_tokens=_snake_case)







   def lowerCamelCase						(      self		:						Optional[Any]					,						_snake_case		:						Union[List[str], List[AddedToken]]					,						_snake_case		:						bool = False):

        """simple docstring"""


        return super()._add_tokens(_snake_case					,						special_tokens=_snake_case)












from __future__ import annotations

import time
from math import sqrt

# 1 for manhattan, 0 for euclidean
snake_case_ : str    		=       0

snake_case_ : Union[str, Any]    		=       [
    [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_ : str    		=       [[-1, 0], [0, -1], [1, 0], [0, 1]]  # up, left, down, right

snake_case_ : List[Any]    		=       tuple[int, int]







class __snake_case			:







   def __init__(      self		:						Any					,						_snake_case		:						int					,						_snake_case		:						int					,						_snake_case		:						int					,						_snake_case		:						int					,						_snake_case		:						int					,						_snake_case		:						Node | None					,						):

        """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()
        UpperCAmelCase_          =							self.g_cost + self.h_cost







   def lowerCamelCase						(      self		:						List[str]):

        """simple docstring"""


        UpperCAmelCase_          =							self.pos_x - self.goal_x
        UpperCAmelCase_          =							self.pos_y - self.goal_y
        if HEURISTIC == 1:
             return abs(_snake_case) + abs(_snake_case)
        else:
             return sqrt(dy**2 + dx**2)







   def __lt__(      self		:						Union[str, Any]					,						_snake_case		:						Node):

        """simple docstring"""


        return self.f_cost < other.f_cost







class __snake_case			:







   def __init__(      self		:						str					,						_snake_case		:						TPosition					,						_snake_case		:						TPosition):

        """simple docstring"""


        UpperCAmelCase_          =							Node(start[1]					,						start[0]					,						goal[1]					,						goal[0]					,						0					,						_snake_case)
        UpperCAmelCase_          =							Node(goal[1]					,						goal[0]					,						goal[1]					,						goal[0]					,						99999					,						_snake_case)

        UpperCAmelCase_          =							[self.start]
        UpperCAmelCase_          =							[]

        UpperCAmelCase_          =							False







   def lowerCamelCase						(      self		:						Optional[int]):

        """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:
                  return self.retrace_path(_snake_case)

             self.closed_nodes.append(_snake_case)
             UpperCAmelCase_          =							self.get_successors(_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(_snake_case)
                  else:
                       # retrieve the best current path
                       UpperCAmelCase_          =							self.open_nodes.pop(self.open_nodes.index(_snake_case))

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

        return [self.start.pos]







   def lowerCamelCase						(      self		:						Tuple					,						_snake_case		:						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(_snake_case) - 1):
                  continue

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

             successors.append(
                 Node(
                     _snake_case					,						_snake_case					,						self.target.pos_y					,						self.target.pos_x					,						parent.g_cost + 1					,						_snake_case					,						))
        return successors







   def lowerCamelCase						(      self		:						Any					,						_snake_case		:						Node | None):

        """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







class __snake_case			:







   def __init__(      self		:						Any					,						_snake_case		:						TPosition					,						_snake_case		:						TPosition):

        """simple docstring"""


        UpperCAmelCase_          =							AStar(_snake_case					,						_snake_case)
        UpperCAmelCase_          =							AStar(_snake_case					,						_snake_case)
        UpperCAmelCase_          =							False







   def lowerCamelCase						(      self		:						List[Any]):

        """simple docstring"""


        while self.fwd_astar.open_nodes or self.bwd_astar.open_nodes:
             self.fwd_astar.open_nodes.sort()
             self.bwd_astar.open_nodes.sort()
             UpperCAmelCase_          =							self.fwd_astar.open_nodes.pop(0)
             UpperCAmelCase_          =							self.bwd_astar.open_nodes.pop(0)

             if current_bwd_node.pos == current_fwd_node.pos:
                  return self.retrace_bidirectional_path(
                      _snake_case					,						_snake_case)

             self.fwd_astar.closed_nodes.append(_snake_case)
             self.bwd_astar.closed_nodes.append(_snake_case)

             UpperCAmelCase_          =							current_bwd_node
             UpperCAmelCase_          =							current_fwd_node

             UpperCAmelCase_          =							{
                 self.fwd_astar: self.fwd_astar.get_successors(_snake_case),
                 self.bwd_astar: self.bwd_astar.get_successors(_snake_case),
             }

             for astar in [self.fwd_astar, self.bwd_astar]:
                  for child_node in successors[astar]:
                       if child_node in astar.closed_nodes:
                            continue

                       if child_node not in astar.open_nodes:
                            astar.open_nodes.append(_snake_case)
                       else:
                            # retrieve the best current path
                            UpperCAmelCase_          =							astar.open_nodes.pop(
                                astar.open_nodes.index(_snake_case))

                            if child_node.g_cost < better_node.g_cost:
                                 astar.open_nodes.append(_snake_case)
                            else:
                                 astar.open_nodes.append(_snake_case)

        return [self.fwd_astar.start.pos]







   def lowerCamelCase						(      self		:						int					,						_snake_case		:						Node					,						_snake_case		:						Node):

        """simple docstring"""


        UpperCAmelCase_          =							self.fwd_astar.retrace_path(_snake_case)
        UpperCAmelCase_          =							self.bwd_astar.retrace_path(_snake_case)
        bwd_path.pop()
        bwd_path.reverse()
        UpperCAmelCase_          =							fwd_path + bwd_path
        return path


if __name__ == "__main__":
    # all coordinates are given in format [y,x]
    snake_case_ : Any    		=       (0, 0)
    snake_case_ : Union[str, Any]    		=       (len(grid) - 1, len(grid[0]) - 1)
    for elem in grid:
        print(elem)

    snake_case_ : str    		=       time.time()
    snake_case_ : List[str]    		=       AStar(init, goal)
    snake_case_ : Optional[int]    		=       a_star.search()
    snake_case_ : Optional[Any]    		=       time.time() - start_time
    print(f"AStar execution time = {end_time:f} seconds")

    snake_case_ : int    		=       time.time()
    snake_case_ : Dict    		=       BidirectionalAStar(init, goal)
    snake_case_ : str    		=       time.time() - bd_start_time
    print(f"BidirectionalAStar execution time = {bd_end_time:f} seconds")






