

"""simple docstring"""






from __future__ import annotations

__lowerCamelCase										=		list[tuple[int, int]]

__lowerCamelCase										=		[
    [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],
]

__lowerCamelCase										=		([-1, 0], [0, -1], [1, 0], [0, 1])  # up, left, down, right
class        _lowercase					:







     def __init__(      self ,						UpperCamelCase_ ,						UpperCamelCase_ ,						UpperCamelCase_ ,						UpperCamelCase_ ,						UpperCamelCase_ ,						UpperCamelCase_ ,						):
      __magic_name__     =      pos_x
      __magic_name__     =      pos_y
      __magic_name__     =      (pos_y, pos_x)
      __magic_name__     =      goal_x
      __magic_name__     =      goal_y
      __magic_name__     =      g_cost
      __magic_name__     =      parent
      __magic_name__     =      self.calculate_heuristic()







     def 	lowerCAmelCase__    (      self       ):
      __magic_name__     =      abs(self.pos_x - self.goal_x       )
      __magic_name__     =      abs(self.pos_y - self.goal_y       )
      return dx + dy







     def __lt__(      self ,						UpperCamelCase_       ):
      return self.f_cost < other.f_cost


class        _lowercase					:







     def __init__(      self ,						UpperCamelCase_ ,						UpperCamelCase_       ):
      __magic_name__     =      Node(start[1] ,						start[0] ,						goal[1] ,						goal[0] ,						0 ,						UpperCamelCase_       )
      __magic_name__     =      Node(goal[1] ,						goal[0] ,						goal[1] ,						goal[0] ,						9_9999 ,						UpperCamelCase_       )

      __magic_name__     =      [self.start]
      __magic_name__     =      []

      __magic_name__     =      False







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

       if current_node.pos == self.target.pos:
        __magic_name__     =      True
        return self.retrace_path(UpperCamelCase_       )

       self.closed_nodes.append(UpperCamelCase_       )
       __magic_name__     =      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
         __magic_name__     =      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_       ):
      __magic_name__     =      []
      for action in delta:
       __magic_name__     =      parent.pos_x + action[1]
       __magic_name__     =      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_       ):
      __magic_name__     =      node
      __magic_name__     =      []
      while current_node is not None:
       path.append((current_node.pos_y, current_node.pos_x)       )
       __magic_name__     =      current_node.parent
      path.reverse()
      return path


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

 print("------")

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

  for elem in grid:
   print(elem)




"""simple docstring"""






import json
import os
import tempfile
import unittest
import unittest.mock as mock
from pathlib import Path

from requests.exceptions import HTTPError

from transformers.utils import (
    CONFIG_NAME,
    FLAX_WEIGHTS_NAME,
    TF2_WEIGHTS_NAME,
    TRANSFORMERS_CACHE,
    WEIGHTS_NAME,
    cached_file,
    get_file_from_repo,
    has_file,
)


__lowerCamelCase										=		"hf-internal-testing/tiny-random-bert"
__lowerCamelCase										=		os.path.join(TRANSFORMERS_CACHE, "models--hf-internal-testing--tiny-random-bert")
__lowerCamelCase										=		"9b8c223d42b2188cb49d29af482996f9d0f3e5a6"
class        _lowercase					(     unittest.TestCase     ):







     def 	lowerCAmelCase__    (      self       ):
      __magic_name__     =      cached_file(UpperCamelCase_ ,						UpperCamelCase_       )
      # Should have downloaded the file in here
      self.assertTrue(os.path.isdir(UpperCamelCase_       )       )
      # Cache should contain at least those three subfolders:
      for subfolder in ["blobs", "refs", "snapshots"]:
       self.assertTrue(os.path.isdir(os.path.join(UpperCamelCase_ ,						UpperCamelCase_       )       )       )
      with open(os.path.join(UpperCamelCase_ ,						'''refs''' ,						'''main'''       )       ) as f:
       __magic_name__     =      f.read()
      self.assertEqual(UpperCamelCase_ ,						os.path.join(UpperCamelCase_ ,						'''snapshots''' ,						UpperCamelCase_ ,						UpperCamelCase_       )       )
      self.assertTrue(os.path.isfile(UpperCamelCase_       )       )

      # File is cached at the same place the second time.
      __magic_name__     =      cached_file(UpperCamelCase_ ,						UpperCamelCase_       )
      self.assertEqual(UpperCamelCase_ ,						UpperCamelCase_       )

      # Using a specific revision to test the full commit hash.
      __magic_name__     =      cached_file(UpperCamelCase_ ,						UpperCamelCase_ ,						revision='''9b8c223'''       )
      self.assertEqual(UpperCamelCase_ ,						os.path.join(UpperCamelCase_ ,						'''snapshots''' ,						UpperCamelCase_ ,						UpperCamelCase_       )       )







     def 	lowerCAmelCase__    (      self       ):
      with self.assertRaisesRegex(UpperCamelCase_ ,						'''is not a valid model identifier'''       ):
       __magic_name__     =      cached_file('''tiny-random-bert''' ,						UpperCamelCase_       )

      with self.assertRaisesRegex(UpperCamelCase_ ,						'''is not a valid git identifier'''       ):
       __magic_name__     =      cached_file(UpperCamelCase_ ,						UpperCamelCase_ ,						revision='''aaaa'''       )

      with self.assertRaisesRegex(UpperCamelCase_ ,						'''does not appear to have a file named'''       ):
       __magic_name__     =      cached_file(UpperCamelCase_ ,						'''conf'''       )







     def 	lowerCAmelCase__    (      self       ):
      with self.assertRaisesRegex(UpperCamelCase_ ,						'''does not appear to have a file named'''       ):
       __magic_name__     =      cached_file(UpperCamelCase_ ,						'''conf'''       )

      with open(os.path.join(UpperCamelCase_ ,						'''refs''' ,						'''main'''       )       ) as f:
       __magic_name__     =      f.read()
      self.assertTrue(os.path.isfile(os.path.join(UpperCamelCase_ ,						'''.no_exist''' ,						UpperCamelCase_ ,						'''conf'''       )       )       )

      __magic_name__     =      cached_file(UpperCamelCase_ ,						'''conf''' ,						_raise_exceptions_for_missing_entries=UpperCamelCase_       )
      self.assertIsNone(UpperCamelCase_       )

      __magic_name__     =      cached_file(UpperCamelCase_ ,						'''conf''' ,						local_files_only=UpperCamelCase_ ,						_raise_exceptions_for_missing_entries=UpperCamelCase_       )
      self.assertIsNone(UpperCamelCase_       )

      __magic_name__     =      mock.Mock()
      __magic_name__     =      500
      __magic_name__     =      {}
      __magic_name__     =      HTTPError
      __magic_name__     =      {}

      # Under the mock environment we get a 500 error when trying to reach the tokenizer.
      with mock.patch('''requests.Session.request''' ,						return_value=UpperCamelCase_       ) as mock_head:
       __magic_name__     =      cached_file(UpperCamelCase_ ,						'''conf''' ,						_raise_exceptions_for_connection_errors=UpperCamelCase_       )
       self.assertIsNone(UpperCamelCase_       )
       # This check we did call the fake head request
       mock_head.assert_called()







     def 	lowerCAmelCase__    (      self       ):
      self.assertTrue(has_file('''hf-internal-testing/tiny-bert-pt-only''' ,						UpperCamelCase_       )       )
      self.assertFalse(has_file('''hf-internal-testing/tiny-bert-pt-only''' ,						UpperCamelCase_       )       )
      self.assertFalse(has_file('''hf-internal-testing/tiny-bert-pt-only''' ,						UpperCamelCase_       )       )







     def 	lowerCAmelCase__    (      self       ):
      # `get_file_from_repo` returns None if the file does not exist
      self.assertIsNone(get_file_from_repo('''bert-base-cased''' ,						'''ahah.txt'''       )       )

      # The function raises if the repository does not exist.
      with self.assertRaisesRegex(UpperCamelCase_ ,						'''is not a valid model identifier'''       ):
       get_file_from_repo('''bert-base-case''' ,						UpperCamelCase_       )

      # The function raises if the revision does not exist.
      with self.assertRaisesRegex(UpperCamelCase_ ,						'''is not a valid git identifier'''       ):
       get_file_from_repo('''bert-base-cased''' ,						UpperCamelCase_ ,						revision='''ahaha'''       )

      __magic_name__     =      get_file_from_repo('''bert-base-cased''' ,						UpperCamelCase_       )
      # The name is the cached name which is not very easy to test, so instead we load the content.
      __magic_name__     =      json.loads(open(UpperCamelCase_ ,						'''r'''       ).read()       )
      self.assertEqual(config['''hidden_size'''] ,						768       )







     def 	lowerCAmelCase__    (      self       ):
      with tempfile.TemporaryDirectory() as tmp_dir:
       __magic_name__     =      Path(UpperCamelCase_       ) / '''a.txt'''
       filename.touch()
       self.assertEqual(get_file_from_repo(UpperCamelCase_ ,						'''a.txt'''       ) ,						str(UpperCamelCase_       )       )

       self.assertIsNone(get_file_from_repo(UpperCamelCase_ ,						'''b.txt'''       )       )

