



'''simple docstring'''





from __future__ import annotations




def lowerCAmelCase						(__A						,			__A						,			__A						,			__A						,			__A						,			):



     """simple docstring"""



     _a											=						len(__A)

     # If row is equal to the size of the board it means there are a queen in each row in
     # the current board (possible_board)
     if row == n:
          # We convert the variable possible_board that looks like this: [1, 3, 0, 2] to
          # this: ['. Q . . ', '. . . Q ', 'Q . . . ', '. . Q . ']
          boards.append(['''. ''' * i + '''Q ''' + '''. ''' * (n - 1 - i) for i in possible_board])
          return

     # We iterate each column in the row to find all possible results in each row
     for col in range(__A):
          # We apply that we learned previously. First we check that in the current board
          # (possible_board) there are not other same value because if there is it means
          # that there are a collision in vertical. Then we apply the two formulas we
          # learned before:
          #
          # 45º: y - x = b or 45: row - col = b
          # 135º: y + x = b or row + col = b.
          #
          # And we verify if the results of this two formulas not exist in their variables
          # respectively.  (diagonal_right_collisions, diagonal_left_collisions)
          #
          # If any or these are True it means there is a collision so we continue to the
          # next value in the for loop.
          if (
              col in possible_board
              or row - col in diagonal_right_collisions
              or row + col in diagonal_left_collisions
          ):
               continue

          # If it is False we call dfs function again and we update the inputs
          depth_first_search(
              [*possible_board, col]						,			[*diagonal_right_collisions, row - col]						,			[*diagonal_left_collisions, row + col]						,			__A						,			__A						,			)




def lowerCAmelCase						(__A):



     """simple docstring"""



     _a											=						[]
     depth_first_search([]						,			[]						,			[]						,			__A						,			__A)

     # Print all the boards
     for board in boards:
          for column in board:
               print(__A)
          print('''''')

     print(len(__A)						,			'''solutions were found.''')


if __name__ == "__main__":
  import doctest

  doctest.testmod()
  n_queens_solution(4)








'''simple docstring'''





import sys
import tempfile
import unittest
import unittest.mock as mock
from pathlib import Path

from huggingface_hub import HfFolder, delete_repo
from requests.exceptions import HTTPError

from transformers import AutoImageProcessor, ViTImageProcessor
from transformers.testing_utils import TOKEN, USER, get_tests_dir, is_staging_test


sys.path.append(str(Path(__file__).parent.parent / "utils"))

from test_module.custom_image_processing import CustomImageProcessor  # noqa E402


lowercase_	 =						get_tests_dir("fixtures")






class __A    (						unittest.TestCase		):



 '''simple docstring'''







 def       a__						(self )					->  List[Any]:


      """simple docstring"""



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

      # Download this model to make sure it's in the cache.
      _a											=						ViTImageProcessor.from_pretrained('''hf-internal-testing/tiny-random-vit''' )
      # Under the mock environment we get a 500 error when trying to reach the model.
      with mock.patch('''requests.Session.request'''				,     return_value=A ) as mock_head:
           _a											=						ViTImageProcessor.from_pretrained('''hf-internal-testing/tiny-random-vit''' )
           # This check we did call the fake head request
           mock_head.assert_called()



 def       a__						(self )					->  str:


      """simple docstring"""



      _a											=						ViTImageProcessor.from_pretrained(
          '''https://huggingface.co/hf-internal-testing/tiny-random-vit/resolve/main/preprocessor_config.json''' )



 def       a__						(self )					->  Dict:


      """simple docstring"""



      with self.assertRaises(A ):
           # config is in subfolder, the following should not work without specifying the subfolder
           _a											=						AutoImageProcessor.from_pretrained('''hf-internal-testing/stable-diffusion-all-variants''' )

      _a											=						AutoImageProcessor.from_pretrained(
          '''hf-internal-testing/stable-diffusion-all-variants'''				,     subfolder='''feature_extractor''' )

      self.assertIsNotNone(A )






@is_staging_test
class __A    (						unittest.TestCase		):



 '''simple docstring'''







 @classmethod
 def       a__						(cls )					->  Any:


      """simple docstring"""



      _a											=						TOKEN
      HfFolder.save_token(A )



 @classmethod
 def       a__						(cls )					->  Union[str, Any]:


      """simple docstring"""



      try:
           delete_repo(token=cls._token				,     repo_id='''test-image-processor''' )
      except HTTPError:
           pass

      try:
           delete_repo(token=cls._token				,     repo_id='''valid_org/test-image-processor-org''' )
      except HTTPError:
           pass

      try:
           delete_repo(token=cls._token				,     repo_id='''test-dynamic-image-processor''' )
      except HTTPError:
           pass



 def       a__						(self )					->  str:


      """simple docstring"""



      _a											=						ViTImageProcessor.from_pretrained(A )
      image_processor.push_to_hub('''test-image-processor'''				,     use_auth_token=self._token )

      _a											=						ViTImageProcessor.from_pretrained(f'''{USER}/test-image-processor''' )
      for k, v in image_processor.__dict__.items():
           self.assertEqual(A				,     getattr(A				,     A ) )

      # Reset repo
      delete_repo(token=self._token				,     repo_id='''test-image-processor''' )

      # Push to hub via save_pretrained
      with tempfile.TemporaryDirectory() as tmp_dir:
           image_processor.save_pretrained(
               A				,     repo_id='''test-image-processor'''				,     push_to_hub=A				,     use_auth_token=self._token )

      _a											=						ViTImageProcessor.from_pretrained(f'''{USER}/test-image-processor''' )
      for k, v in image_processor.__dict__.items():
           self.assertEqual(A				,     getattr(A				,     A ) )



 def       a__						(self )					->  List[Any]:


      """simple docstring"""



      _a											=						ViTImageProcessor.from_pretrained(A )
      image_processor.push_to_hub('''valid_org/test-image-processor'''				,     use_auth_token=self._token )

      _a											=						ViTImageProcessor.from_pretrained('''valid_org/test-image-processor''' )
      for k, v in image_processor.__dict__.items():
           self.assertEqual(A				,     getattr(A				,     A ) )

      # Reset repo
      delete_repo(token=self._token				,     repo_id='''valid_org/test-image-processor''' )

      # Push to hub via save_pretrained
      with tempfile.TemporaryDirectory() as tmp_dir:
           image_processor.save_pretrained(
               A				,     repo_id='''valid_org/test-image-processor-org'''				,     push_to_hub=A				,     use_auth_token=self._token )

      _a											=						ViTImageProcessor.from_pretrained('''valid_org/test-image-processor-org''' )
      for k, v in image_processor.__dict__.items():
           self.assertEqual(A				,     getattr(A				,     A ) )



 def       a__						(self )					->  Union[str, Any]:


      """simple docstring"""



      CustomImageProcessor.register_for_auto_class()
      _a											=						CustomImageProcessor.from_pretrained(A )

      image_processor.push_to_hub('''test-dynamic-image-processor'''				,     use_auth_token=self._token )

      # This has added the proper auto_map field to the config
      self.assertDictEqual(
          image_processor.auto_map				,     {'''AutoImageProcessor''': '''custom_image_processing.CustomImageProcessor'''}				,     )

      _a											=						AutoImageProcessor.from_pretrained(
          f'''{USER}/test-dynamic-image-processor'''				,     trust_remote_code=A )
      # Can't make an isinstance check because the new_image_processor is from the CustomImageProcessor class of a dynamic module
      self.assertEqual(new_image_processor.__class__.__name__				,     '''CustomImageProcessor''' )



