






"""simple docstring"""
# Lint as: python3
import os
import re
import urllib.parse
from pathlib import Path
from typing import Callable, List, Optional, Union
from zipfile import ZipFile

from ..utils.file_utils import cached_path, hf_github_url
from ..utils.logging import get_logger
from ..utils.version import Version


lowerCAmelCase__    						=			get_logger(__name__)


class _lowerCAmelCase						:
						SCREAMING_SNAKE_CASE_:					Optional[int] 					=				'dummy_data'
						SCREAMING_SNAKE_CASE_:					int 					=				'datasets'
						SCREAMING_SNAKE_CASE_:					Optional[Any] 					=				False







						def __init__(    self   ,				lowerCAmelCase_   ,				lowerCAmelCase_   ,				lowerCAmelCase_   ,				lowerCAmelCase_ = None   ,				lowerCAmelCase_ = False   ,				lowerCAmelCase_ = True   ,				lowerCAmelCase_ = None   ,				)		->							int:
										_SCREAMING_SNAKE_CASE   :		List[str]       		=    0
										_SCREAMING_SNAKE_CASE   :		Union[str, Any]       		=    dataset_name
										_SCREAMING_SNAKE_CASE   :		Dict       		=    cache_dir
										_SCREAMING_SNAKE_CASE   :		Union[str, Any]       		=    use_local_dummy_data
										_SCREAMING_SNAKE_CASE   :		int       		=    config
										# download_callbacks take a single url as input
										_SCREAMING_SNAKE_CASE   :		List[Callable]       		=    download_callbacks or []
										# if False, it doesn't load existing files and it returns the paths of the dummy files relative
										# to the dummy_data zip file root
										_SCREAMING_SNAKE_CASE   :		Dict       		=    load_existing_dummy_data

										# TODO(PVP, QL) might need to make this more general
										_SCREAMING_SNAKE_CASE   :		str       		=    str(_lowerCamelCase							)
										# to be downloaded
										_SCREAMING_SNAKE_CASE   :		Optional[int]       		=    None
										_SCREAMING_SNAKE_CASE   :		Optional[int]       		=    None







						@property
						def 			A      (    self							)		->							Tuple:
										if self._dummy_file is None:
														_SCREAMING_SNAKE_CASE   :		Union[str, Any]       		=    self.download_dummy_data()
										return self._dummy_file







						@property
						def 			A      (    self							)		->							int:
										if self.config is not None:
														# structure is dummy / config_name / version_name
														return os.path.join('dummy'   ,				self.config.name   ,				self.version_name							)
										# structure is dummy / version_name
										return os.path.join('dummy'   ,				self.version_name							)







						@property
						def 			A      (    self							)		->							Optional[Any]:
										return os.path.join(self.dummy_data_folder   ,				'dummy_data.zip'							)







						def 			A      (    self							)		->							List[Any]:
										_SCREAMING_SNAKE_CASE   :		str       		=    (
										    self.local_path_to_dummy_data if self.use_local_dummy_data is True else self.github_path_to_dummy_data
										)

										_SCREAMING_SNAKE_CASE   :		Dict       		=    cached_path(
										    _lowerCamelCase   ,				cache_dir=self.cache_dir   ,				extract_compressed_file=_lowerCamelCase   ,				force_extract=_lowerCamelCase							)

										return os.path.join(_lowerCamelCase   ,				self.dummy_file_name							)







						@property
						def 			A      (    self							)		->							Tuple:
										return os.path.join(self.datasets_scripts_dir   ,				self.dataset_name   ,				self.dummy_zip_file							)







						@property
						def 			A      (    self							)		->							Tuple:
										if self._bucket_url is None:
														_SCREAMING_SNAKE_CASE   :		Dict       		=    hf_github_url(self.dataset_name   ,				self.dummy_zip_file.replace(os.sep   ,				'/'							)							)
										return self._bucket_url







						@property
						def 			A      (    self							)		->							Optional[int]:
										# return full path if its a dir
										if os.path.isdir(self.dummy_file							):
														return self.dummy_file
										# else cut off path to file -> example `xsum`.
										return "/".join(self.dummy_file.replace(os.sep   ,				'/'							).split('/'							)[:-1]							)







						def 			A      (    self   ,				lowerCAmelCase_   ,				*lowerCAmelCase_							)		->							List[Any]:
										if self.load_existing_dummy_data:
														# dummy data is downloaded and tested
														_SCREAMING_SNAKE_CASE   :		Dict       		=    self.dummy_file
										else:
														# dummy data cannot be downloaded and only the path to dummy file is returned
														_SCREAMING_SNAKE_CASE   :		Union[str, Any]       		=    self.dummy_file_name

										# special case when data_url is a dict
										if isinstance(_lowerCamelCase   ,				_lowerCamelCase							):
														return self.create_dummy_data_dict(_lowerCamelCase   ,				_lowerCamelCase							)
										elif isinstance(_lowerCamelCase   ,				(list, tuple)							):
														return self.create_dummy_data_list(_lowerCamelCase   ,				_lowerCamelCase							)
										else:
														return self.create_dummy_data_single(_lowerCamelCase   ,				_lowerCamelCase							)







						def 			A      (    self   ,				lowerCAmelCase_   ,				*lowerCAmelCase_							)		->							Dict:
										return self.download_and_extract(_lowerCamelCase							)







						def 			A      (    self   ,				lowerCAmelCase_   ,				lowerCAmelCase_							)		->							List[Any]:
										return self.download_and_extract(_lowerCamelCase							)







						def 			A      (    self   ,				lowerCAmelCase_   ,				*lowerCAmelCase_   ,				**lowerCAmelCase_							)		->							List[Any]:
										return path







						def 			A      (    self							)		->							Optional[int]:
										return {}







						def 			A      (    self   ,				lowerCAmelCase_   ,				lowerCAmelCase_							)		->							Tuple:
										_SCREAMING_SNAKE_CASE   :		Dict       		=    {}
										for key, single_urls in data_url.items():
														for download_callback in self.download_callbacks:
																		if isinstance(_lowerCamelCase   ,				_lowerCamelCase							):
																						for single_url in single_urls:
																										download_callback(_lowerCamelCase							)
																		else:
																						_SCREAMING_SNAKE_CASE   :		Any       		=    single_urls
																						download_callback(_lowerCamelCase							)
            # we force the name of each key to be the last file / folder name of the url path
            # if the url has arguments, we need to encode them with urllib.parse.quote_plus
														if isinstance(_lowerCamelCase   ,				_lowerCamelCase							):
																		_SCREAMING_SNAKE_CASE   :		Optional[Any]       		=    [os.path.join(_lowerCamelCase   ,				urllib.parse.quote_plus(Path(_lowerCamelCase							).name							)							) for x in single_urls]
														else:
																		_SCREAMING_SNAKE_CASE   :		Optional[int]       		=    single_urls
																		_SCREAMING_SNAKE_CASE   :		Union[str, Any]       		=    os.path.join(_lowerCamelCase   ,				urllib.parse.quote_plus(Path(_lowerCamelCase							).name							)							)
														_SCREAMING_SNAKE_CASE   :		Dict       		=    value

										# make sure that values are unique
										if all(isinstance(_lowerCamelCase   ,				_lowerCamelCase							) for i in dummy_data_dict.values()							) and len(set(dummy_data_dict.values()							)							) < len(
										    dummy_data_dict.values()							):
														# append key to value to make its name unique
														_SCREAMING_SNAKE_CASE   :		List[str]       		=    {key: value + key for key, value in dummy_data_dict.items()}

										return dummy_data_dict







						def 			A      (    self   ,				lowerCAmelCase_   ,				lowerCAmelCase_							)		->							List[str]:
										_SCREAMING_SNAKE_CASE   :		Dict       		=    []
										# trick: if there are many shards named like `data.txt-000001-of-00300`, only use the first one
										_SCREAMING_SNAKE_CASE   :		Optional[int]       		=    all(bool(re.findall('[0-9]{3,}-of-[0-9]{3,}'   ,				_lowerCamelCase							)							) for url in data_url							)
										_SCREAMING_SNAKE_CASE   :		Tuple       		=    all(
										    url.startswith('https://ftp.ncbi.nlm.nih.gov/pubmed/baseline/pubmed'							) for url in data_url							)
										if data_url and (is_tf_records or is_pubmed_records):
														_SCREAMING_SNAKE_CASE   :		Union[str, Any]       		=    [data_url[0]] * len(_lowerCamelCase							)
										for single_url in data_url:
														for download_callback in self.download_callbacks:
																		download_callback(_lowerCamelCase							)
														# we force the name of each key to be the last file / folder name of the url path
														# if the url has arguments, we need to encode them with urllib.parse.quote_plus
														_SCREAMING_SNAKE_CASE   :		str       		=    os.path.join(_lowerCamelCase   ,				urllib.parse.quote_plus(single_url.split('/'							)[-1]							)							)
														dummy_data_list.append(_lowerCamelCase							)
										return dummy_data_list







						def 			A      (    self   ,				lowerCAmelCase_   ,				lowerCAmelCase_							)		->							Optional[int]:
										for download_callback in self.download_callbacks:
														download_callback(_lowerCamelCase							)
										# we force the name of each key to be the last file / folder name of the url path
										# if the url has arguments, we need to encode them with urllib.parse.quote_plus
										_SCREAMING_SNAKE_CASE   :		List[str]       		=    os.path.join(_lowerCamelCase   ,				urllib.parse.quote_plus(data_url.split('/'							)[-1]							)							)
										if os.path.exists(_lowerCamelCase							) or not self.load_existing_dummy_data:
														return value
										else:
														# Backward compatibility, maybe deprecate at one point.
														# For many datasets with single url calls to dl_manager.download_and_extract,
														# the dummy_data.zip file is actually the zipped downloaded file
														# while now we expected the dummy_data.zip file to be a directory containing
														# the downloaded file.
														return path_to_dummy_data







						def 			A      (    self							)		->							List[str]:
										pass







						def 			A      (    self							)		->							Optional[int]:
										pass







						def 			A      (    self   ,				lowerCAmelCase_							)		->							Optional[Any]:
										def _iter_archive_members(lowerCAmelCase_							):
														# this preserves the order of the members inside the ZIP archive
														_SCREAMING_SNAKE_CASE   :		List[str]       		=    Path(self.dummy_file							).parent
														_SCREAMING_SNAKE_CASE   :		Any       		=    path.relative_to(_lowerCamelCase							)
														with ZipFile(self.local_path_to_dummy_data							) as zip_file:
																		_SCREAMING_SNAKE_CASE   :		int       		=    zip_file.namelist()
														for member in members:
																		if member.startswith(relative_path.as_posix()							):
																						yield dummy_parent_path.joinpath(_lowerCamelCase							)

										_SCREAMING_SNAKE_CASE   :		Any       		=    Path(_lowerCamelCase							)
										_SCREAMING_SNAKE_CASE   :		Union[str, Any]       		=    _iter_archive_members(_lowerCamelCase							) if self.use_local_dummy_data else path.rglob('*'							)
										for file_path in file_paths:
														if file_path.is_file() and not file_path.name.startswith(('.', '__')							):
																		yield file_path.relative_to(_lowerCamelCase							).as_posix(), file_path.open('rb'							)







						def 			A      (    self   ,				lowerCAmelCase_							)		->							Any:
										if not isinstance(_lowerCamelCase   ,				_lowerCamelCase							):
														_SCREAMING_SNAKE_CASE   :		Tuple       		=    [paths]
										for path in paths:
														if os.path.isfile(_lowerCamelCase							):
																		if os.path.basename(_lowerCamelCase							).startswith(('.', '__')							):
																						return
																		yield path
														else:
																		for dirpath, dirnames, filenames in os.walk(_lowerCamelCase							):
																						if os.path.basename(_lowerCamelCase							).startswith(('.', '__')							):
																										continue
																						dirnames.sort()
																						for filename in sorted(_lowerCamelCase							):
																										if filename.startswith(('.', '__')							):
																														continue
																										yield os.path.join(_lowerCamelCase   ,				_lowerCamelCase							)





def 							__lowerCamelCase		(					UpperCAmelCase_		:						int					,    UpperCAmelCase_		:						int		):




      """simple docstring"""





      if b == 0:
            return 1
      if (b % 2) == 0:
            return actual_power(UpperCAmelCase_					,    int(b / 2		)		) * actual_power(UpperCAmelCase_					,    int(b / 2		)		)
      else:
            return a * actual_power(UpperCAmelCase_					,    int(b / 2		)		) * actual_power(UpperCAmelCase_					,    int(b / 2		)		)
def 							__lowerCamelCase		(					UpperCAmelCase_		:						int					,    UpperCAmelCase_		:						int		):




      """simple docstring"""





      if b < 0:
            return 1 / actual_power(UpperCAmelCase_					,    UpperCAmelCase_		)
      return actual_power(UpperCAmelCase_					,    UpperCAmelCase_		)


if __name__ == "__main__":
     print(power(-2, -3))





