
'''simple docstring'''





def      A (       A_							:					str       ):
						assert column_title.isupper()
						snake_case       :     List[Any] =    0
						snake_case       :     int =    len(a_       ) - 1
						snake_case       :     Dict =    0

						while index >= 0:
												snake_case       :     List[Any] =    (ord(column_title[index]       ) - 64) * pow(26    ,							a_       )
												answer += value
												power += 1
												index -= 1

						return answer


if __name__ == "__main__":
						from doctest import testmod

						testmod()



'''simple docstring'''





import os
from typing import Optional

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

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




				def __init__(							self	:				Optional[int],    SCREAMING_SNAKE_CASE_	:				str = "",    SCREAMING_SNAKE_CASE_	:				Optional[str] = None,    SCREAMING_SNAKE_CASE_	:				Optional[dict] = None,    **SCREAMING_SNAKE_CASE_	:				Union[str, Any]      ):
										super().__init__(self,    **SCREAMING_SNAKE_CASE_      )
										# always open as "rb" since fsspec can then use the TextIOWrapper to make it work for "r" mode
										snake_case       :     List[Any] =    fsspec.open(
										    SCREAMING_SNAKE_CASE_,    mode='''rb''',    protocol=SCREAMING_SNAKE_CASE_,    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 {}),    )
										snake_case       :     Tuple =    os.path.basename(self.file.path.split('''::'''      )[0]      )
										snake_case       :     Optional[Any] =    (
										    self.compressed_name[: self.compressed_name.rindex('''.'''      )]
										    if '''.''' in self.compressed_name
										    else self.compressed_name
										)
										snake_case       :     str =    None




				@classmethod
				def 	__snake_case							(							cls	:				Any,    SCREAMING_SNAKE_CASE_	:				int      ):
										# compressed file paths are always relative to the archive root
										return super()._strip_protocol(SCREAMING_SNAKE_CASE_      ).lstrip('''/'''      )




				def 	__snake_case							(							self	:				Optional[int]      ):
										if self.dir_cache is None:
																snake_case       :     Optional[int] =    {**self.file.fs.info(self.file.path      ), '''name''': self.uncompressed_name}
																snake_case       :     Tuple =    {f['''name''']: f}




				def 	__snake_case							(							self	:				List[Any],    SCREAMING_SNAKE_CASE_	:				str      ):
										return self.file.open().read()




				def 	__snake_case							(							self	:				List[Any],    SCREAMING_SNAKE_CASE_	:				str,    SCREAMING_SNAKE_CASE_	:				str = "rb",    SCREAMING_SNAKE_CASE_	:				int=None,    SCREAMING_SNAKE_CASE_	:				Optional[int]=True,    SCREAMING_SNAKE_CASE_	:				List[Any]=None,    **SCREAMING_SNAKE_CASE_	:				Any,    ):
										snake_case       :     int =    self._strip_protocol(SCREAMING_SNAKE_CASE_      )
										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 						a   (				__magic_name__    ):
				_snake_case		    = '''bz2'''
				_snake_case		    = '''bz2'''
				_snake_case		    = '''.bz2'''




class 						a   (				__magic_name__    ):
				_snake_case		    = '''gzip'''
				_snake_case		    = '''gzip'''
				_snake_case		    = '''.gz'''




class 						a   (				__magic_name__    ):
				_snake_case		    = '''lz4'''
				_snake_case		    = '''lz4'''
				_snake_case		    = '''.lz4'''




class 						a   (				__magic_name__    ):
				_snake_case		    = '''xz'''
				_snake_case		    = '''xz'''
				_snake_case		    = '''.xz'''




class 						a   (				__magic_name__    ):
				_snake_case		    = '''zstd'''
				_snake_case		    = '''zstd'''
				_snake_case		    = '''.zst'''




				def __init__(							self	:				int,    SCREAMING_SNAKE_CASE_	:				str,    SCREAMING_SNAKE_CASE_	:				str = "rb",    SCREAMING_SNAKE_CASE_	:				Optional[str] = None,    SCREAMING_SNAKE_CASE_	:				Optional[dict] = None,    SCREAMING_SNAKE_CASE_	:				int = DEFAULT_BLOCK_SIZE,    **SCREAMING_SNAKE_CASE_	:				Optional[Any],    ):
										super().__init__(
										    fo=SCREAMING_SNAKE_CASE_,    mode=SCREAMING_SNAKE_CASE_,    target_protocol=SCREAMING_SNAKE_CASE_,    target_options=SCREAMING_SNAKE_CASE_,    block_size=SCREAMING_SNAKE_CASE_,    **SCREAMING_SNAKE_CASE_,    )
										# 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
										snake_case       :     List[Any] =    self.file.__enter__

										class 						a   :




														def __init__(							self	:				int,    SCREAMING_SNAKE_CASE_	:				Dict      ):
																				snake_case       :     Dict =    file_




														def __enter__(							self	:				Optional[Any]      ):
																				self._file.__enter__()
																				return self




														def __exit__(							self	:				Union[str, Any],    *SCREAMING_SNAKE_CASE_	:				Dict,    **SCREAMING_SNAKE_CASE_	:				Tuple      ):
																				self._file.__exit__(*SCREAMING_SNAKE_CASE_,    **SCREAMING_SNAKE_CASE_      )




														def __iter__(							self	:				Union[str, Any]      ):
																				return iter(self._file      )




														def 	__snake_case							(							self	:				Union[str, Any]      ):
																				return next(self._file      )




														def __getattr__(							self	:				Optional[Any],    SCREAMING_SNAKE_CASE_	:				Optional[int]      ):
																				return getattr(self._file,    SCREAMING_SNAKE_CASE_      )

										def fixed_enter(*SCREAMING_SNAKE_CASE_	:				Optional[Any],    **SCREAMING_SNAKE_CASE_	:				List[Any]      ):
																return WrappedFile(_enter(*SCREAMING_SNAKE_CASE_,    **SCREAMING_SNAKE_CASE_      )      )

										snake_case       :     Union[str, Any] =    fixed_enter

