'''simple docstring'''







import logging
import os
from typing import List, TextIO, Union

from conllu import parse_incr
from utils_ner import InputExample, Split, TokenClassificationTask


UpperCamelCase_      	=	logging.getLogger(__name__)




class _SCREAMING_SNAKE_CASE(							_SCREAMING_SNAKE_CASE					):




						def __init__(    self :       Optional[int]							,							UpperCamelCase_ :       str=-1      )     ->				List[Any]:
													# in NER datasets, the last column is usually reserved for NER label
													SCREAMING_SNAKE_CASE__     :Dict						    = label_idx




						def      __lowerCamelCase       (    self :       Any							,							UpperCamelCase_ :       Tuple							,							UpperCamelCase_ :       Union[Split, str]      )     ->				List[InputExample]:
													if isinstance(UpperCamelCase_							,							UpperCamelCase_      ):
																				SCREAMING_SNAKE_CASE__     :Dict						    = mode.value
													SCREAMING_SNAKE_CASE__     :int						    = os.path.join(UpperCamelCase_							,							f'''{mode}.txt'''      )
													SCREAMING_SNAKE_CASE__     :str						    = 1
													SCREAMING_SNAKE_CASE__     :Any						    = []
													with open(UpperCamelCase_							,							encoding='utf-8'      ) as f:
																				SCREAMING_SNAKE_CASE__     :Optional[Any]						    = []
																				SCREAMING_SNAKE_CASE__     :Tuple						    = []
																				for line in f:
																											if line.startswith('-DOCSTART-'      ) or line == "" or line == "\n":
																																		if words:
																																									examples.append(InputExample(guid=f'''{mode}-{guid_index}'''							,							words=UpperCamelCase_							,							labels=UpperCamelCase_      )      )
																																									guid_index += 1
																																									SCREAMING_SNAKE_CASE__     :str						    = []
																																									SCREAMING_SNAKE_CASE__     :Union[str, Any]						    = []
																											else:
																																		SCREAMING_SNAKE_CASE__     :int						    = line.split(' '      )
																																		words.append(splits[0]      )
																																		if len(UpperCamelCase_      ) > 1:
																																									labels.append(splits[self.label_idx].replace('\n'							,							''      )      )
																																		else:
																																									# Examples could have no label for mode = "test"
																																									labels.append('O'      )
																				if words:
																											examples.append(InputExample(guid=f'''{mode}-{guid_index}'''							,							words=UpperCamelCase_							,							labels=UpperCamelCase_      )      )
													return examples




						def      __lowerCamelCase       (    self :       List[str]							,							UpperCamelCase_ :       TextIO							,							UpperCamelCase_ :       TextIO							,							UpperCamelCase_ :       List      )     ->				int:
													SCREAMING_SNAKE_CASE__     :str						    = 0
													for line in test_input_reader:
																				if line.startswith('-DOCSTART-'      ) or line == "" or line == "\n":
																											writer.write(UpperCamelCase_      )
																											if not preds_list[example_id]:
																																		example_id += 1
																				elif preds_list[example_id]:
																											SCREAMING_SNAKE_CASE__     :str						    = line.split()[0] + ' ' + preds_list[example_id].pop(0      ) + '\n'
																											writer.write(UpperCamelCase_      )
																				else:
																											logger.warning('Maximum sequence length exceeded: No prediction for \'%s\'.'							,							line.split()[0]      )




						def      __lowerCamelCase       (    self :       int							,							UpperCamelCase_ :       str      )     ->				List[str]:
													if path:
																				with open(UpperCamelCase_							,							'r'      ) as f:
																											SCREAMING_SNAKE_CASE__     :Optional[int]						    = f.read().splitlines()
																				if "O" not in labels:
																											SCREAMING_SNAKE_CASE__     :Union[str, Any]						    = ['O'] + labels
																				return labels
													else:
																				return ["O", "B-MISC", "I-MISC", "B-PER", "I-PER", "B-ORG", "I-ORG", "B-LOC", "I-LOC"]




class _SCREAMING_SNAKE_CASE(							_SCREAMING_SNAKE_CASE					):




						def __init__(    self :       int      )     ->				List[str]:
													# in CONLL2003 dataset chunk column is second-to-last
													super().__init__(label_idx=-2      )




						def      __lowerCamelCase       (    self :       Optional[Any]							,							UpperCamelCase_ :       str      )     ->				List[str]:
													if path:
																				with open(UpperCamelCase_							,							'r'      ) as f:
																											SCREAMING_SNAKE_CASE__     :str						    = f.read().splitlines()
																				if "O" not in labels:
																											SCREAMING_SNAKE_CASE__     :Optional[Any]						    = ['O'] + labels
																				return labels
													else:
																				return [
																				    "O",
																				    "B-ADVP",
																				    "B-INTJ",
																				    "B-LST",
																				    "B-PRT",
																				    "B-NP",
																				    "B-SBAR",
																				    "B-VP",
																				    "B-ADJP",
																				    "B-CONJP",
																				    "B-PP",
																				    "I-ADVP",
																				    "I-INTJ",
																				    "I-LST",
																				    "I-PRT",
																				    "I-NP",
																				    "I-SBAR",
																				    "I-VP",
																				    "I-ADJP",
																				    "I-CONJP",
																				    "I-PP",
																				]




class _SCREAMING_SNAKE_CASE(							_SCREAMING_SNAKE_CASE					):




						def      __lowerCamelCase       (    self :       Tuple							,							UpperCamelCase_ :       Tuple							,							UpperCamelCase_ :       Union[Split, str]      )     ->				List[InputExample]:
													if isinstance(UpperCamelCase_							,							UpperCamelCase_      ):
																				SCREAMING_SNAKE_CASE__     :Any						    = mode.value
													SCREAMING_SNAKE_CASE__     :List[str]						    = os.path.join(UpperCamelCase_							,							f'''{mode}.txt'''      )
													SCREAMING_SNAKE_CASE__     :Dict						    = 1
													SCREAMING_SNAKE_CASE__     :List[str]						    = []

													with open(UpperCamelCase_							,							encoding='utf-8'      ) as f:
																				for sentence in parse_incr(UpperCamelCase_      ):
																											SCREAMING_SNAKE_CASE__     :int						    = []
																											SCREAMING_SNAKE_CASE__     :Optional[Any]						    = []
																											for token in sentence:
																																		words.append(token['form']      )
																																		labels.append(token['upos']      )
																											assert len(UpperCamelCase_      ) == len(UpperCamelCase_      )
																											if words:
																																		examples.append(InputExample(guid=f'''{mode}-{guid_index}'''							,							words=UpperCamelCase_							,							labels=UpperCamelCase_      )      )
																																		guid_index += 1
													return examples




						def      __lowerCamelCase       (    self :       Any							,							UpperCamelCase_ :       TextIO							,							UpperCamelCase_ :       TextIO							,							UpperCamelCase_ :       List      )     ->				List[str]:
													SCREAMING_SNAKE_CASE__     :str						    = 0
													for sentence in parse_incr(UpperCamelCase_      ):
																				SCREAMING_SNAKE_CASE__     :int						    = preds_list[example_id]
																				SCREAMING_SNAKE_CASE__     :Optional[Any]						    = ''
																				for token in sentence:
																											out += f'''{token["form"]} ({token["upos"]}|{s_p.pop(0      )}) '''
																				out += "\n"
																				writer.write(UpperCamelCase_      )
																				example_id += 1




						def      __lowerCamelCase       (    self :       List[str]							,							UpperCamelCase_ :       str      )     ->				List[str]:
													if path:
																				with open(UpperCamelCase_							,							'r'      ) as f:
																											return f.read().splitlines()
													else:
																				return [
																				    "ADJ",
																				    "ADP",
																				    "ADV",
																				    "AUX",
																				    "CCONJ",
																				    "DET",
																				    "INTJ",
																				    "NOUN",
																				    "NUM",
																				    "PART",
																				    "PRON",
																				    "PROPN",
																				    "PUNCT",
																				    "SCONJ",
																				    "SYM",
																				    "VERB",
																				    "X",
																				]







'''simple docstring'''







from __future__ import annotations

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


def    lowerCamelCase       (			UpperCAmelCase__				:  list[list[int]]				,						UpperCAmelCase__				:  list[int]				,						UpperCAmelCase__				:  list[int]				,						UpperCAmelCase__				:  int				,						UpperCAmelCase__				:  list[list[int]]				,						)			->	tuple[list[list[int]], list[list[int]]]:


							'''simple docstring'''






							SCREAMING_SNAKE_CASE__     :str						    = [
							    [0 for col in range(len(grid[0]		)		)] for row in range(len(UpperCAmelCase__		)		)
							]  # the reference grid
							SCREAMING_SNAKE_CASE__     :Any						    = 1
							SCREAMING_SNAKE_CASE__     :Dict						    = [
							    [0 for col in range(len(grid[0]		)		)] for row in range(len(UpperCAmelCase__		)		)
							]  # the action grid

							SCREAMING_SNAKE_CASE__     :int						    = init[0]
							SCREAMING_SNAKE_CASE__     :Optional[Any]						    = init[1]
							SCREAMING_SNAKE_CASE__     :List[str]						    = 0
							SCREAMING_SNAKE_CASE__     :List[Any]						    = g + heuristic[x][y]  # cost from starting cell to destination cell
							SCREAMING_SNAKE_CASE__     :List[Any]						    = [[f, g, x, y]]

							SCREAMING_SNAKE_CASE__     :Any						    = False  # flag that is set when search is complete
							SCREAMING_SNAKE_CASE__     :str						    = False  # flag set if we can't find expand

							while not found and not resign:
														if len(UpperCAmelCase__		) == 0:
																					raise ValueError('Algorithm is unable to find solution'		)
														else:  # to choose the least costliest action so as to move closer to the goal
																					cell.sort()
																					cell.reverse()
																					SCREAMING_SNAKE_CASE__     :List[Any]						    = cell.pop()
																					SCREAMING_SNAKE_CASE__     :Optional[int]						    = next_cell[2]
																					SCREAMING_SNAKE_CASE__     :Any						    = next_cell[3]
																					SCREAMING_SNAKE_CASE__     :Dict						    = next_cell[1]

																					if x == goal[0] and y == goal[1]:
																												SCREAMING_SNAKE_CASE__     :Tuple						    = True
																					else:
																												for i in range(len(UpperCAmelCase__		)		):  # to try out different valid actions
																																			SCREAMING_SNAKE_CASE__     :Optional[int]						    = x + DIRECTIONS[i][0]
																																			SCREAMING_SNAKE_CASE__     :int						    = y + DIRECTIONS[i][1]
																																			if xa >= 0 and xa < len(UpperCAmelCase__		) and ya >= 0 and ya < len(grid[0]		):
																																										if closed[xa][ya] == 0 and grid[xa][ya] == 0:
																																																	SCREAMING_SNAKE_CASE__     :str						    = g + cost
																																																	SCREAMING_SNAKE_CASE__     :Union[str, Any]						    = ga + heuristic[xa][ya]
																																																	cell.append([fa, ga, xa, ya]		)
																																																	SCREAMING_SNAKE_CASE__     :Union[str, Any]						    = 1
																																																	SCREAMING_SNAKE_CASE__     :Any						    = i
							SCREAMING_SNAKE_CASE__     :int						    = []
							SCREAMING_SNAKE_CASE__     :Union[str, Any]						    = goal[0]
							SCREAMING_SNAKE_CASE__     :Optional[int]						    = goal[1]
							invpath.append([x, y]		)  # we get the reverse path from here
							while x != init[0] or y != init[1]:
														SCREAMING_SNAKE_CASE__     :Optional[Any]						    = x - DIRECTIONS[action[x][y]][0]
														SCREAMING_SNAKE_CASE__     :Optional[Any]						    = y - DIRECTIONS[action[x][y]][1]
														SCREAMING_SNAKE_CASE__     :Optional[int]						    = xa
														SCREAMING_SNAKE_CASE__     :int						    = ya
														invpath.append([x, y]		)

							SCREAMING_SNAKE_CASE__     :int						    = []
							for i in range(len(UpperCAmelCase__		)		):
														path.append(invpath[len(UpperCAmelCase__		) - 1 - i]		)
							return path, action


if __name__ == "__main__":
		UpperCamelCase_      	=	[
		    [0, 1, 0, 0, 0, 0],
		    [0, 1, 0, 0, 0, 0],  # 0 are free path whereas 1's are obstacles
		    [0, 1, 0, 0, 0, 0],
		    [0, 1, 0, 0, 1, 0],
		    [0, 0, 0, 0, 1, 0],
		]

		UpperCamelCase_      	=	[0, 0]
		# all coordinates are given in format [y,x]
		UpperCamelCase_      	=	[len(grid) - 1, len(grid[0]) - 1]
		UpperCamelCase_      	=	1

		# the cost map which pushes the path closer to the goal
		UpperCamelCase_      	=	[[0 for row in range(len(grid[0]))] for col in range(len(grid))]
		for i in range(len(grid)):
				for j in range(len(grid[0])):
						UpperCamelCase_      	=	abs(i - goal[0]) + abs(j - goal[1])
						if grid[i][j] == 1:
								# added extra penalty in the heuristic map
								UpperCamelCase_      	=	99

		UpperCamelCase_	,			UpperCamelCase_      	=	search(grid, init, goal, cost, heuristic)

		print('''ACTION MAP''')
		for i in range(len(action)):
				print(action[i])

		for i in range(len(path)):
				print(path[i])






