



'''simple docstring'''





import importlib.metadata
from typing import Union

from packaging.version import Version, parse

from .constants import STR_OPERATION_TO_FUNC


_lowerCAmelCase										=     parse(importlib.metadata.version('''torch'''))
def        _SCREAMING_SNAKE_CASE  (	UpperCamelCase							,   UpperCamelCase							,   UpperCamelCase      ):



    """simple docstring"""





    if operation not in STR_OPERATION_TO_FUNC.keys():
        raise ValueError(f"""`operation` must be one of {list(STR_OPERATION_TO_FUNC.keys()      )}, received {operation}"""      )
    lowerCAmelCase__			:  int											= STR_OPERATION_TO_FUNC[operation]
    if isinstance(UpperCamelCase							,   UpperCamelCase      ):
        lowerCAmelCase__			:  List[Any]											= parse(importlib.metadata.version(UpperCamelCase      )      )
    return operation(UpperCamelCase							,   parse(UpperCamelCase      )      )




def        _SCREAMING_SNAKE_CASE  (	UpperCamelCase							,   UpperCamelCase      ):



    """simple docstring"""





    return compare_versions(UpperCamelCase							,   UpperCamelCase							,   UpperCamelCase      )







'''simple docstring'''





from PIL import Image
def        _SCREAMING_SNAKE_CASE  (	UpperCamelCase      ):



    """simple docstring"""





    lowerCAmelCase__				,       lowerCAmelCase__			:  Dict											= image.size
    lowerCAmelCase__			:  int											= 0
    lowerCAmelCase__			:  int											= image.load()
    for i in range(UpperCamelCase      ):
        for j in range(UpperCamelCase      ):
            lowerCAmelCase__			:  int											= pixels[j, i]
            mean += pixel
    mean //= width * height

    for j in range(UpperCamelCase      ):
        for i in range(UpperCamelCase      ):
            lowerCAmelCase__			:  Dict											= 255 if pixels[i, j] > mean else 0
    return image


if __name__ == "__main__":
 _lowerCAmelCase										=     mean_threshold(Image.open('''path_to_image''').convert('''L'''))
 image.save('''output_image_path''')


