




import copy
import os

import cva
import numpy as np
from matplotlib import pyplot as plt







class        __lowerCAmelCase					:

			"""simple docstring"""







			def __init__( self				)       -> int:



							'''simple docstring'''
							__lowerCamelCase									=       ''
							__lowerCamelCase									=       ''
							__lowerCamelCase									=       []
							__lowerCamelCase									=       0
							__lowerCamelCase									=       256
							__lowerCamelCase									=       0
							__lowerCamelCase									=       0
							__lowerCamelCase									=       0
							__lowerCamelCase									=       0


			def  lowercase_       ( self     ,		lowerCamelCase__				)       -> Tuple:



							'''simple docstring'''
							__lowerCamelCase									=       cva.imread(lowerCamelCase__     ,		0				)
							__lowerCamelCase									=       copy.deepcopy(self.img				)
							__lowerCamelCase			,		__lowerCamelCase			,		__lowerCamelCase									=       plt.hist(self.img.ravel()     ,		256     ,		[0, 256]     ,		label='x'				)
							__lowerCamelCase									=       np.sum(lowerCamelCase__				)
							for i in range(len(lowerCamelCase__				)				):
											__lowerCamelCase									=       x[i] / self.k
											self.sk += prk
											__lowerCamelCase									=       (self.L - 1) * self.sk
											if self.rem != 0:
															__lowerCamelCase									=       int(last % last				)
											__lowerCamelCase									=       int(last + 1 if self.rem >= 0.5 else last				)
											self.last_list.append(lowerCamelCase__				)
											__lowerCamelCase									=       int(np.ma.count(self.img				) / self.img[1].size				)
											__lowerCamelCase									=       self.img[1].size
							for i in range(self.number_of_cols				):
											for j in range(self.number_of_rows				):
															__lowerCamelCase									=       self.img[j][i]
															if num != self.last_list[num]:
																			__lowerCamelCase									=       self.last_list[num]
							cva.imwrite('output_data/output.jpg'     ,		self.img				)


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



							'''simple docstring'''
							plt.hist(self.img.ravel()     ,		256     ,		[0, 256]				)






			def  lowercase_       ( self				)       -> Tuple:



							'''simple docstring'''
							cva.imshow('Output-Image'     ,		self.img				)
							cva.imshow('Input-Image'     ,		self.original_image				)
							cva.waitKey(5_000				)
							cva.destroyAllWindows()


if __name__ == "__main__":
					__A								=       os.path.join(os.path.basename(__file__), "image_data/input.jpg")
					__A								=       ConstantStretch()
					stretcher.stretch(file_path)
					stretcher.plot_histogram()
					stretcher.show_image()








import importlib.metadata
import operator
import re
import sys
from typing import Optional

from packaging import version


__A								=       {
    "<": operator.lt,
    "<=": operator.le,
    "==": operator.eq,
    "!=": operator.ne,
    ">=": operator.ge,
    ">": operator.gt,
}







def      lowerCamelCase_						(			UpperCamelCase__							: List[str]					,	UpperCamelCase__							: Dict					,	UpperCamelCase__							: Dict					,	UpperCamelCase__							: Any					,	UpperCamelCase__							: Dict					,	UpperCamelCase__							: int )	->			List[Any]:





				"""simple docstring"""


				if got_ver is None or want_ver is None:
								raise ValueError(
								    F"""Unable to compare versions for {requirement}: need={want_ver} found={got_ver}. This is unusual. Consider"""
								    F""" reinstalling {pkg}.""" )
				if not ops[op](version.parse(UpperCamelCase__ )					,	version.parse(UpperCamelCase__ ) ):
								raise ImportError(
								    F"""{requirement} is required for a normal functioning of this module, but found {pkg}=={got_ver}.{hint}""" )







def      lowerCamelCase_						(			UpperCamelCase__							: str					,	UpperCamelCase__							: Optional[str] = None )	->			None:





				"""simple docstring"""


				__lowerCamelCase									=       F"""\n{hint}""" if hint is not None else ''

				# non-versioned check
				if re.match(R'^[\w_\-\d]+$'					,	UpperCamelCase__ ):
								__lowerCamelCase			,		__lowerCamelCase			,		__lowerCamelCase									=       requirement, None, None
				else:
								__lowerCamelCase									=       re.findall(R'^([^!=<>\s]+)([\s!=<>]{1,2}.+)'					,	UpperCamelCase__ )
								if not match:
												raise ValueError(
												    'requirement needs to be in the pip package format, .e.g., package_a==1.23, or package_b>=1.23, but'
												    F""" got {requirement}""" )
								__lowerCamelCase			,		__lowerCamelCase									=       match[0]
								__lowerCamelCase									=       want_full.split(',' )  # there could be multiple requirements
								__lowerCamelCase									=       {}
								for w in want_range:
												__lowerCamelCase									=       re.findall(R'^([\s!=<>]{1,2})(.+)'					,	UpperCamelCase__ )
												if not match:
																raise ValueError(
																    'requirement needs to be in the pip package format, .e.g., package_a==1.23, or package_b>=1.23,'
																    F""" but got {requirement}""" )
												__lowerCamelCase			,		__lowerCamelCase									=       match[0]
												__lowerCamelCase									=       want_ver
												if op not in ops:
																raise ValueError(F"""{requirement}: need one of {list(ops.keys() )}, but got {op}""" )

    # special case
				if pkg == "python":
								__lowerCamelCase									=       '.'.join([str(UpperCamelCase__ ) for x in sys.version_info[:3]] )
								for op, want_ver in wanted.items():
												_compare_versions(UpperCamelCase__					,	UpperCamelCase__					,	UpperCamelCase__					,	UpperCamelCase__					,	UpperCamelCase__					,	UpperCamelCase__ )
								return

				# check if any version is installed
				try:
								__lowerCamelCase									=       importlib.metadata.version(UpperCamelCase__ )
				except importlib.metadata.PackageNotFoundError:
								raise importlib.metadata.PackageNotFoundError(
								    F"""The '{requirement}' distribution was not found and is required by this application. {hint}""" )

				# check that the right version is installed if version number or a range was provided
				if want_ver is not None:
								for op, want_ver in wanted.items():
												_compare_versions(UpperCamelCase__					,	UpperCamelCase__					,	UpperCamelCase__					,	UpperCamelCase__					,	UpperCamelCase__					,	UpperCamelCase__ )







def      lowerCamelCase_						(			UpperCamelCase__							: Optional[int] )	->			Optional[int]:





				"""simple docstring"""


				__lowerCamelCase									=       'Try: pip install transformers -U or pip install -e \'.[dev]\' if you\'re working with git main'
				return require_version(UpperCamelCase__					,	UpperCamelCase__ )


