


from collections import OrderedDict
from dataclasses import fields
from typing import Any, Tuple

import numpy as np

from .import_utils import is_torch_available







def   lowerCamelCase(      a__):
				if is_torch_available():
								import torch

								if isinstance(a__		,torch.Tensor):
												return True

				return isinstance(a__		,np.ndarray)


class   A__							(						UpperCamelCase__     ):




						def 							__UpperCamelCase (				self    :					List[str]     )							->   List[str]:


										"""simple docstring"""





										_SCREAMING_SNAKE_CASE	     =fields(self     )

										# Safety and consistency checks
										if not len(_a     ):
														raise ValueError(f"{self.__class__.__name__} has no fields."     )

										_SCREAMING_SNAKE_CASE	     =getattr(self ,			class_fields[0].name     )
										_SCREAMING_SNAKE_CASE	     =all(getattr(self ,			field.name     ) is None for field in class_fields[1:]     )

										if other_fields_are_none and isinstance(_a ,			_a     ):
														for key, value in first_field.items():
																		_SCREAMING_SNAKE_CASE	     =value
										else:
														for field in class_fields:
																		_SCREAMING_SNAKE_CASE	     =getattr(self ,			field.name     )
																		if v is not None:
																						_SCREAMING_SNAKE_CASE	     =v




						def __delitem__(				self    :					Tuple ,			*_a    :					List[Any] ,			**_a    :					Dict     )							->   int:


										"""simple docstring"""





										raise Exception(f"You cannot use ``__delitem__`` on a {self.__class__.__name__} instance."     )




						def 							__UpperCamelCase (				self    :					int ,			*_a    :					int ,			**_a    :					List[str]     )							->   Optional[Any]:


										"""simple docstring"""





										raise Exception(f"You cannot use ``setdefault`` on a {self.__class__.__name__} instance."     )




						def 							__UpperCamelCase (				self    :					Any ,			*_a    :					Union[str, Any] ,			**_a    :					Tuple     )							->   int:


										"""simple docstring"""





										raise Exception(f"You cannot use ``pop`` on a {self.__class__.__name__} instance."     )




						def 							__UpperCamelCase (				self    :					Any ,			*_a    :					Union[str, Any] ,			**_a    :					Any     )							->   Optional[int]:


										"""simple docstring"""





										raise Exception(f"You cannot use ``update`` on a {self.__class__.__name__} instance."     )




						def __getitem__(				self    :					Tuple ,			_a    :					Optional[int]     )							->   List[Any]:


										"""simple docstring"""





										if isinstance(_a ,			_a     ):
														_SCREAMING_SNAKE_CASE	     =dict(self.items()     )
														return inner_dict[k]
										else:
														return self.to_tuple()[k]




						def __setattr__(				self    :					Dict ,			_a    :					Union[str, Any] ,			_a    :					str     )							->   Optional[Any]:


										"""simple docstring"""





										if name in self.keys() and value is not None:
														# Don't call self.__setitem__ to avoid recursion errors
														super().__setitem__(_a ,			_a     )
										super().__setattr__(_a ,			_a     )




						def __setitem__(				self    :					List[Any] ,			_a    :					List[str] ,			_a    :					str     )							->   Dict:


										"""simple docstring"""





										super().__setitem__(_a ,			_a     )
										# Don't call self.__setattr__ to avoid recursion errors
										super().__setattr__(_a ,			_a     )




						def 							__UpperCamelCase (				self    :					Dict     )							->   Tuple[Any]:


										"""simple docstring"""





										return tuple(self[k] for k in self.keys()     )







"""simple docstring"""
from cva import destroyAllWindows, imread, imshow, waitKey






def        lowerCamelCase_  (						_lowerCamelCase			,   _lowerCamelCase				):
 lowerCamelCase__				,     lowerCamelCase__     :			Optional[Any]     				=						img.shape[0], img.shape[1]

 def to_grayscale(_lowerCamelCase			,   _lowerCamelCase			,   _lowerCamelCase				):
  return 0.2_126 * red + 0.587 * green + 0.114 * blue

 def normalize(_lowerCamelCase				):
  return min(_lowerCamelCase			,   255				)

 for i in range(_lowerCamelCase				):
  for j in range(_lowerCamelCase				):
   lowerCamelCase__     :			List[Any]     				=						int(to_grayscale(*img[i][j]				)				)
   lowerCamelCase__     :			Optional[int]     				=						[
       normalize(_lowerCamelCase				),
       normalize(greyscale + factor				),
       normalize(greyscale + 2 * factor				),
   ]

 return img


if __name__ == "__main__":
      # read original image
      A_			: List[str]				=			{
          percentage: imread("image_data/lena.jpg", 1) for percentage in (10, 20, 30, 40)
      }

      for percentage, img in images.items():
            make_sepia(img, percentage)

      for percentage, img in images.items():
            imshow(f"Original image with sepia (factor: {percentage})", img)

      waitKey(0)
      destroyAllWindows()

