


import os
from typing import Optional

import fsspec
from fsspec.archive import AbstractArchiveFileSystem
from fsspec.utils import DEFAULT_BLOCK_SIZE







class 			_lowercase (							lowercase__):


       """simple docstring"""




       A__											=			""
       A__											=			(
           None  # protocol passed in prefix to the url. ex: "gzip", for gzip://file.txt::http://foo.bar/file.txt.gz
       )
       A__											=			None  # compression type in fsspec. ex: "gzip"
       A__											=			None  # extension of the filename to strip. ex: "".gz" to get file.txt from file.txt.gz





       def __init__(   self							:			str					,      __lowerCamelCase							:			str = ""					,      __lowerCamelCase							:			Optional[str] = None					,      __lowerCamelCase							:			Optional[dict] = None					,      **__lowerCamelCase							:			List[str]       ):


             '''simple docstring'''



             super().__init__(self					,      **__lowerCamelCase       )
             # always open as "rb" since fsspec can then use the TextIOWrapper to make it work for "r" mode
             lowerCamelCase__		:				Optional[Any]    =  fsspec.open(
                 __lowerCamelCase					,      mode="rb"					,      protocol=__lowerCamelCase					,      compression=self.compression					,      client_kwargs={
                     "requote_redirect_url": False,  # see https://github.com/huggingface/datasets/pull/5459
                     "trust_env": True,  # Enable reading proxy env variables.
                     **(target_options or {}).pop("client_kwargs"					,      {}       ),  # To avoid issues if it was already passed.
                 }					,      **(target_options or {})					,      )
             lowerCamelCase__		:				List[str]    =  os.path.basename(self.file.path.split("::"       )[0]       )
             lowerCamelCase__		:				List[str]    =  (
                 self.compressed_name[: self.compressed_name.rindex("."       )]
                 if "." in self.compressed_name
                 else self.compressed_name
             )
             lowerCamelCase__		:				Union[str, Any]    =  None





       @classmethod
       def 						lowerCAmelCase     (   cls							:			Union[str, Any]					,      __lowerCamelCase							:			Dict       ):


             '''simple docstring'''



             return super()._strip_protocol(__lowerCamelCase       ).lstrip("/"       )





       def 						lowerCAmelCase     (   self							:			Tuple       ):


             '''simple docstring'''



             if self.dir_cache is None:
                   lowerCamelCase__		:				Tuple    =  {**self.file.fs.info(self.file.path       ), "name": self.uncompressed_name}
                   lowerCamelCase__		:				List[Any]    =  {f["name"]: f}





       def 						lowerCAmelCase     (   self							:			int					,      __lowerCamelCase							:			str       ):


             '''simple docstring'''



             return self.file.open().read()





       def 						lowerCAmelCase     (   self							:			int					,      __lowerCamelCase							:			str					,      __lowerCamelCase							:			str = "rb"					,      __lowerCamelCase							:			Optional[int]=None					,      __lowerCamelCase							:			List[Any]=True					,      __lowerCamelCase							:			str=None					,      **__lowerCamelCase							:			int					,      ):


             '''simple docstring'''



             lowerCamelCase__		:				str    =  self._strip_protocol(__lowerCamelCase       )
             if mode != "rb":
                   raise ValueError(f"Tried to read with mode {mode} on file {self.file.path} opened with mode 'rb'"       )
             return self.file.open()







class 			_lowercase (							lowercase__):


       """simple docstring"""




       A__											=			"bz2"
       A__											=			"bz2"
       A__											=			".bz2"







class 			_lowercase (							lowercase__):


       """simple docstring"""




       A__											=			"gzip"
       A__											=			"gzip"
       A__											=			".gz"







class 			_lowercase (							lowercase__):


       """simple docstring"""




       A__											=			"lz4"
       A__											=			"lz4"
       A__											=			".lz4"







class 			_lowercase (							lowercase__):


       """simple docstring"""




       A__											=			"xz"
       A__											=			"xz"
       A__											=			".xz"







class 			_lowercase (							lowercase__):


       """simple docstring"""




       A__											=			"zstd"
       A__											=			"zstd"
       A__											=			".zst"





       def __init__(   self							:			Optional[int]					,      __lowerCamelCase							:			str					,      __lowerCamelCase							:			str = "rb"					,      __lowerCamelCase							:			Optional[str] = None					,      __lowerCamelCase							:			Optional[dict] = None					,      __lowerCamelCase							:			int = DEFAULT_BLOCK_SIZE					,      **__lowerCamelCase							:			Optional[int]					,      ):


             '''simple docstring'''



             super().__init__(
                 fo=__lowerCamelCase					,      mode=__lowerCamelCase					,      target_protocol=__lowerCamelCase					,      target_options=__lowerCamelCase					,      block_size=__lowerCamelCase					,      **__lowerCamelCase					,      )
             # We need to wrap the zstd decompressor to avoid this error in fsspec==2021.7.0 and zstandard==0.15.2:
             #
             # File "/Users/user/.virtualenvs/hf-datasets/lib/python3.7/site-packages/fsspec/core.py", line 145, in open
             #     out.close = close
             # AttributeError: 'zstd.ZstdDecompressionReader' object attribute 'close' is read-only
             #
             # see https://github.com/intake/filesystem_spec/issues/725
             lowerCamelCase__		:				Optional[Any]    =  self.file.__enter__







             class 			_lowercase :


                    """simple docstring"""




                    def __init__(   self							:			Optional[Any]					,      __lowerCamelCase							:			List[Any]       ):


                          '''simple docstring'''



                          lowerCamelCase__		:				Optional[Any]    =  file_





                    def __enter__(   self							:			str       ):


                          '''simple docstring'''



                          self._file.__enter__()
                          return self





                    def __exit__(   self							:			List[str]					,      *__lowerCamelCase							:			Union[str, Any]					,      **__lowerCamelCase							:			str       ):


                          '''simple docstring'''



                          self._file.__exit__(*__lowerCamelCase					,      **__lowerCamelCase       )





                    def __iter__(   self							:			Any       ):


                          '''simple docstring'''



                          return iter(self._file       )





                    def 						lowerCAmelCase     (   self							:			int       ):


                          '''simple docstring'''



                          return next(self._file       )





                    def __getattr__(   self							:			int					,      __lowerCamelCase							:			Optional[int]       ):


                          '''simple docstring'''



                          return getattr(self._file					,      __lowerCamelCase       )

             def fixed_enter(*__lowerCamelCase							:			int					,      **__lowerCamelCase							:			int       ):
                   return WrappedFile(_enter(*__lowerCamelCase					,      **__lowerCamelCase       )       )

             lowerCamelCase__		:				Union[str, Any]    =  fixed_enter






def       lowercase_		(		_A			:    int    ,					_A			:    list						):

      """simple docstring"""




      _enforce_args(_A    ,					_A						)
      if n == 0:
            return 0
      lowerCamelCase__		:				Union[str, Any]    =  float("-inf"						)
      for i in range(1    ,					n + 1						):
            lowerCamelCase__		:				int    =  max(
                _A    ,					prices[i - 1] + naive_cut_rod_recursive(n - i    ,					_A						)						)

      return max_revue

def       lowercase_		(		_A			:    int    ,					_A			:    list						):

      """simple docstring"""




      _enforce_args(_A    ,					_A						)
      lowerCamelCase__		:				int    =  [float("-inf"						) for _ in range(n + 1						)]
      return _top_down_cut_rod_recursive(_A    ,					_A    ,					_A						)

def       lowercase_		(		_A			:    int    ,					_A			:    list    ,					_A			:    list						):

      """simple docstring"""




      if max_rev[n] >= 0:
            return max_rev[n]
      elif n == 0:
            return 0
      else:
            lowerCamelCase__		:				Dict    =  float("-inf"						)
            for i in range(1    ,					n + 1						):
                  lowerCamelCase__		:				int    =  max(
                      _A    ,					prices[i - 1] + _top_down_cut_rod_recursive(n - i    ,					_A    ,					_A						)    ,					)

            lowerCamelCase__		:				List[Any]    =  max_revenue

      return max_rev[n]

def       lowercase_		(		_A			:    int    ,					_A			:    list						):

      """simple docstring"""




      _enforce_args(_A    ,					_A						)

      # length(max_rev) = n + 1, to accommodate for the revenue obtainable from a rod of
      # length 0.
      lowerCamelCase__		:				int    =  [float("-inf"						) for _ in range(n + 1						)]
      lowerCamelCase__		:				Optional[int]    =  0

      for i in range(1    ,					n + 1						):
            lowerCamelCase__		:				Union[str, Any]    =  max_rev[i]
            for j in range(1    ,					i + 1						):
                  lowerCamelCase__		:				Any    =  max(_A    ,					prices[j - 1] + max_rev[i - j]						)

            lowerCamelCase__		:				Any    =  max_revenue_i

      return max_rev[n]

def       lowercase_		(		_A			:    int    ,					_A			:    list						):

      """simple docstring"""




      if n < 0:
            lowerCamelCase__		:				Optional[int]    =  F"n must be greater than or equal to 0. Got n = {n}"
            raise ValueError(_A						)

      if n > len(_A						):
            lowerCamelCase__		:				Optional[int]    =  (
                "Each integral piece of rod must have a corresponding price. "
                F"Got n = {n} but length of prices = {len(_A						)}"
            )
            raise ValueError(_A						)

def       lowercase_		(		):

      """simple docstring"""




      lowerCamelCase__		:				Optional[Any]    =  [6, 10, 12, 15, 20, 23]
      lowerCamelCase__		:				Dict    =  len(_A						)

      # the best revenue comes from cutting the rod into 6 pieces, each
      # of length 1 resulting in a revenue of 6 * 6 = 36.
      lowerCamelCase__		:				int    =  36

      lowerCamelCase__		:				List[Any]    =  top_down_cut_rod(_A    ,					_A						)
      lowerCamelCase__		:				List[Any]    =  bottom_up_cut_rod(_A    ,					_A						)
      lowerCamelCase__		:				List[Any]    =  naive_cut_rod_recursive(_A    ,					_A						)

      assert expected_max_revenue == max_rev_top_down
      assert max_rev_top_down == max_rev_bottom_up
      assert max_rev_bottom_up == max_rev_naive


if __name__ == "__main__":
    main()


