

import posixpath
from pathlib import Path
from unittest.mock import patch

import pytest
from fsspec.implementations.local import AbstractFileSystem, LocalFileSystem, stringify_path
from fsspec.registry import _registry as _fsspec_registry



class SCREAMING_SNAKE_CASE	(  a_ ):
  """simple docstring"""






  lowerCamelCase    :			str						      ="mock"







  def __init__(			self :    Union[str, Any]       ,							*lowerCAmelCase :    List[str]       ,							lowerCAmelCase :    Dict       ,							**lowerCAmelCase :    List[str]    )							->	Optional[Any]:






     """simple docstring"""







     super().__init__()
     __lowerCAmelCase  :			str					    =						LocalFileSystem(*lowerCAmelCase       ,							**lowerCAmelCase    )
     __lowerCAmelCase  :			List[str]					    =						Path(lowerCAmelCase    ).resolve().as_posix() + """/"""







  def        SCREAMING_SNAKE_CASE    (			self :    Union[str, Any]       ,							lowerCAmelCase :    Optional[Any]       ,							*lowerCAmelCase :    Union[str, Any]       ,							**lowerCAmelCase :    List[Any]    )							->	int:






     """simple docstring"""







     __lowerCAmelCase  :			Optional[Any]					    =						posixpath.join(self.local_root_dir       ,							self._strip_protocol(lowerCAmelCase    )    )
     return self._fs.mkdir(lowerCAmelCase       ,							*lowerCAmelCase       ,							**lowerCAmelCase    )







  def        SCREAMING_SNAKE_CASE    (			self :    List[str]       ,							lowerCAmelCase :    Optional[Any]       ,							*lowerCAmelCase :    int       ,							**lowerCAmelCase :    List[str]    )							->	Dict:






     """simple docstring"""







     __lowerCAmelCase  :			Optional[int]					    =						posixpath.join(self.local_root_dir       ,							self._strip_protocol(lowerCAmelCase    )    )
     return self._fs.makedirs(lowerCAmelCase       ,							*lowerCAmelCase       ,							**lowerCAmelCase    )







  def        SCREAMING_SNAKE_CASE    (			self :    Tuple       ,							lowerCAmelCase :    int    )							->	List[Any]:






     """simple docstring"""







     __lowerCAmelCase  :			Tuple					    =						posixpath.join(self.local_root_dir       ,							self._strip_protocol(lowerCAmelCase    )    )
     return self._fs.rmdir(lowerCAmelCase    )







  def        SCREAMING_SNAKE_CASE    (			self :    Optional[Any]       ,							lowerCAmelCase :    Optional[Any]       ,							lowerCAmelCase :    Dict=True       ,							*lowerCAmelCase :    Optional[Any]       ,							**lowerCAmelCase :    List[str]    )							->	List[Any]:






     """simple docstring"""







     __lowerCAmelCase  :			Tuple					    =						posixpath.join(self.local_root_dir       ,							self._strip_protocol(lowerCAmelCase    )    )
     __lowerCAmelCase  :			Tuple					    =						self._fs.ls(lowerCAmelCase       ,							detail=lowerCAmelCase       ,							*lowerCAmelCase       ,							**lowerCAmelCase    )
     if detail:
        return [{**info, "name": info["name"][len(self.local_root_dir    ) :]} for info in out]
     else:
        return [name[len(self.local_root_dir    ) :] for name in out]







  def        SCREAMING_SNAKE_CASE    (			self :    Tuple       ,							lowerCAmelCase :    Optional[Any]       ,							*lowerCAmelCase :    List[Any]       ,							**lowerCAmelCase :    int    )							->	int:






     """simple docstring"""







     __lowerCAmelCase  :			List[str]					    =						posixpath.join(self.local_root_dir       ,							self._strip_protocol(lowerCAmelCase    )    )
     __lowerCAmelCase  :			Tuple					    =						dict(self._fs.info(lowerCAmelCase       ,							*lowerCAmelCase       ,							**lowerCAmelCase    )    )
     __lowerCAmelCase  :			List[Any]					    =						out["""name"""][len(self.local_root_dir    ) :]
     return out







  def        SCREAMING_SNAKE_CASE    (			self :    Dict       ,							lowerCAmelCase :    Union[str, Any]       ,							lowerCAmelCase :    List[Any]       ,							*lowerCAmelCase :    Dict       ,							**lowerCAmelCase :    int    )							->	Optional[Any]:






     """simple docstring"""







     __lowerCAmelCase  :			List[str]					    =						posixpath.join(self.local_root_dir       ,							self._strip_protocol(lowerCAmelCase    )    )
     __lowerCAmelCase  :			List[str]					    =						posixpath.join(self.local_root_dir       ,							self._strip_protocol(lowerCAmelCase    )    )
     return self._fs.cp_file(lowerCAmelCase       ,							lowerCAmelCase       ,							*lowerCAmelCase       ,							**lowerCAmelCase    )







  def        SCREAMING_SNAKE_CASE    (			self :    List[Any]       ,							lowerCAmelCase :    Dict       ,							*lowerCAmelCase :    Tuple       ,							**lowerCAmelCase :    List[str]    )							->	Union[str, Any]:






     """simple docstring"""







     __lowerCAmelCase  :			Optional[Any]					    =						posixpath.join(self.local_root_dir       ,							self._strip_protocol(lowerCAmelCase    )    )
     return self._fs.rm_file(lowerCAmelCase       ,							*lowerCAmelCase       ,							**lowerCAmelCase    )







  def        SCREAMING_SNAKE_CASE    (			self :    Optional[Any]       ,							lowerCAmelCase :    Union[str, Any]       ,							*lowerCAmelCase :    int       ,							**lowerCAmelCase :    Optional[int]    )							->	List[Any]:






     """simple docstring"""







     __lowerCAmelCase  :			str					    =						posixpath.join(self.local_root_dir       ,							self._strip_protocol(lowerCAmelCase    )    )
     return self._fs.rm(lowerCAmelCase       ,							*lowerCAmelCase       ,							**lowerCAmelCase    )







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






     """simple docstring"""







     __lowerCAmelCase  :			Tuple					    =						posixpath.join(self.local_root_dir       ,							self._strip_protocol(lowerCAmelCase    )    )
     return self._fs._open(lowerCAmelCase       ,							*lowerCAmelCase       ,							**lowerCAmelCase    )







  def        SCREAMING_SNAKE_CASE    (			self :    Optional[Any]       ,							lowerCAmelCase :    List[Any]    )							->	Dict:






     """simple docstring"""







     __lowerCAmelCase  :			Tuple					    =						posixpath.join(self.local_root_dir       ,							self._strip_protocol(lowerCAmelCase    )    )
     return self._fs.created(lowerCAmelCase    )







  def        SCREAMING_SNAKE_CASE    (			self :    Any       ,							lowerCAmelCase :    Any    )							->	List[Any]:






     """simple docstring"""







     __lowerCAmelCase  :			Optional[Any]					    =						posixpath.join(self.local_root_dir       ,							self._strip_protocol(lowerCAmelCase    )    )
     return self._fs.modified(lowerCAmelCase    )







  @classmethod
  def        SCREAMING_SNAKE_CASE    (			cls :    Optional[Any]       ,							lowerCAmelCase :    Tuple    )							->	List[Any]:






     """simple docstring"""







     __lowerCAmelCase  :			Dict					    =						stringify_path(lowerCAmelCase    )
     if path.startswith("""mock://"""    ):
        __lowerCAmelCase  :			Optional[Any]					    =						path[7:]
     return path






class SCREAMING_SNAKE_CASE	(  a_ ):
  """simple docstring"""






  lowerCamelCase    :			str						      ="tmp"
  lowerCamelCase    :			Dict						      =None







  def __init__(			self :    Optional[Any]       ,							*lowerCAmelCase :    List[Any]       ,							**lowerCAmelCase :    str    )							->	str:






     """simple docstring"""







     assert self.tmp_dir is not None, "TmpDirFileSystem.tmp_dir is not set"
     super().__init__(*lowerCAmelCase       ,							**lowerCAmelCase       ,							local_root_dir=self.tmp_dir       ,							auto_mkdir=lowerCAmelCase    )







  @classmethod
  def        SCREAMING_SNAKE_CASE    (			cls :    Dict       ,							lowerCAmelCase :    Tuple    )							->	Optional[int]:






     """simple docstring"""







     __lowerCAmelCase  :			Union[str, Any]					    =						stringify_path(lowerCAmelCase    )
     if path.startswith("""tmp://"""    ):
        __lowerCAmelCase  :			List[Any]					    =						path[6:]
     return path






@pytest.fixture
def 	snake_case_      ()			->	Dict:
   __lowerCAmelCase  :			str					    =						MockFileSystem
   __lowerCAmelCase  :			Any					    =						TmpDirFileSystem
   yield
   del _fsspec_registry["mock"]
   del _fsspec_registry["tmp"]





@pytest.fixture
def 	snake_case_      (__A     :						Optional[int]					,   __A     :						Union[str, Any]     )			->	List[str]:
   __lowerCAmelCase  :			Optional[int]					    =						tmp_path_factory.mktemp("""mockfs"""     )
   return MockFileSystem(local_root_dir=__A					,   auto_mkdir=__A     )





@pytest.fixture
def 	snake_case_      (__A     :						List[Any]					,   __A     :						str     )			->	Optional[int]:
   __lowerCAmelCase  :			Dict					    =						tmp_path_factory.mktemp("""tmpfs"""     )
   with patch.object(__A					,   """tmp_dir"""					,   __A     ):
      yield TmpDirFileSystem()





import math
import os

import cva
import numpy as np

__UpperCAmelCase      = 255.0





def 	snake_case_      (__A     :						float					,   __A     :						float     )			->	float:
   __lowerCAmelCase  :			Any					    =						np.mean((original - contrast) ** 2     )
   if mse == 0:
      return 1_0_0

   return 2_0 * math.logaa(PIXEL_MAX / math.sqrt(__A     )     )





def 	snake_case_      ()			->	None:
   __lowerCAmelCase  :			int					    =						os.path.dirname(os.path.realpath(__A     )     )
   # Loading images (original image and compressed image)
   __lowerCAmelCase  :			Tuple					    =						cva.imread(os.path.join(__A					,   """image_data/original_image.png"""     )     )
   __lowerCAmelCase  :			Dict					    =						cva.imread(os.path.join(__A					,   """image_data/compressed_image.png"""     )					,   1     )

   __lowerCAmelCase  :			Optional[int]					    =						cva.imread(os.path.join(__A					,   """image_data/PSNR-example-base.png"""     )     )
   __lowerCAmelCase  :			Optional[int]					    =						cva.imread(
       os.path.join(__A					,   """image_data/PSNR-example-comp-10.jpg"""     )					,   1     )

   # Value expected: 29.73dB
   print("""-- First Test --"""     )
   print(f'''PSNR value is {peak_signal_to_noise_ratio(__A					,   __A     )} dB'''     )

   # # Value expected: 31.53dB (Wikipedia Example)
   print("""\n-- Second Test --"""     )
   print(f'''PSNR value is {peak_signal_to_noise_ratio(__A					,   __A     )} dB'''     )


if __name__ == "__main__":
   main()


