
from pathlib import PurePosixPath
from typing import Optional

import fsspec
from fsspec import AbstractFileSystem
from huggingface_hub.hf_api import DatasetInfo

from ..utils.file_utils import get_authentication_headers_for_url
from ..utils.hub import hf_hub_url
class  lowercase__(				UpperCAmelCase							):



	"""simple docstring"""




	a			:Any         =	''
	a			:Optional[Any]         =	'hf-legacy'  # "hf://"" is reserved for hffs
	def __init__(       self  :			Optional[Any]       ,							SCREAMING_SNAKE_CASE_  :			Optional[DatasetInfo] = None       ,							SCREAMING_SNAKE_CASE_  :			Optional[str] = None       ,							**SCREAMING_SNAKE_CASE_  :			Union[str, Any]       ,							)       ->     int:
					super().__init__(self       ,							**SCREAMING_SNAKE_CASE_       )
					lowercase_       =					repo_info
					lowercase_       =					token
					lowercase_       =					None
	def 						_lowercase  (       self  :			Dict       )       ->     Optional[Any]:
					if self.dir_cache is None:
									lowercase_       =					{}
									for hf_file in self.repo_info.siblings:
													# TODO(QL): add sizes
													lowercase_       =					{
													    '''name''': hf_file.rfilename,
													    '''size''': None,
													    '''type''': '''file''',
													}
													self.dir_cache.update(
													    {
													        str(SCREAMING_SNAKE_CASE_       ): {'''name''': str(SCREAMING_SNAKE_CASE_       ), '''size''': None, '''type''': '''directory'''}
													        for d in list(PurePosixPath(hf_file.rfilename       ).parents       )[:-1]
													    }       )
	def 						_lowercase  (       self  :			Dict       ,							SCREAMING_SNAKE_CASE_  :			str       ,							SCREAMING_SNAKE_CASE_  :			str = "rb"       ,							**SCREAMING_SNAKE_CASE_  :			Tuple       ,							)       ->     Optional[Any]:
					if not isinstance(self.repo_info       ,							SCREAMING_SNAKE_CASE_       ):
									raise NotImplementedError(f'''Open is only implemented for dataset repositories, but got {self.repo_info}'''       )
					lowercase_       =					hf_hub_url(self.repo_info.id       ,							SCREAMING_SNAKE_CASE_       ,							revision=self.repo_info.sha       )
					return fsspec.open(
					    SCREAMING_SNAKE_CASE_       ,							mode=SCREAMING_SNAKE_CASE_       ,							headers=get_authentication_headers_for_url(SCREAMING_SNAKE_CASE_       ,							use_auth_token=self.token       )       ,							client_kwargs={'''trust_env''': True}       ,							).open()
	def 						_lowercase  (       self  :			Tuple       ,							SCREAMING_SNAKE_CASE_  :			Optional[Any]       ,							**SCREAMING_SNAKE_CASE_  :			Dict       )       ->     int:
					self._get_dirs()
					lowercase_       =					self._strip_protocol(SCREAMING_SNAKE_CASE_       )
					if path in self.dir_cache:
									return self.dir_cache[path]
					else:
									raise FileNotFoundError(SCREAMING_SNAKE_CASE_       )




	def 						_lowercase  (       self  :			str       ,							SCREAMING_SNAKE_CASE_  :			List[Any]       ,							SCREAMING_SNAKE_CASE_  :			int=False       ,							**SCREAMING_SNAKE_CASE_  :			Optional[Any]       )       ->     Optional[int]:
					self._get_dirs()
					lowercase_       =					PurePosixPath(path.strip('''/'''       )       )
					lowercase_       =					{}
					for p, f in self.dir_cache.items():
									lowercase_       =					PurePosixPath(p.strip('''/'''       )       )
									lowercase_       =					p.parent
									if root == path:
													lowercase_       =					f
					lowercase_       =					list(paths.values()       )
					if detail:
									return out
					else:
									return sorted(f['''name'''] for f in out       )






from __future__ import annotations

from collections.abc import MutableSequence
class  lowercase__:



	"""simple docstring"""




	def __init__(       self  :			Optional[Any]       ,							SCREAMING_SNAKE_CASE_  :			int       ,							SCREAMING_SNAKE_CASE_  :			MutableSequence[float]       )       ->     None:
					if len(SCREAMING_SNAKE_CASE_       ) != degree + 1:
									raise ValueError(
									    '''The number of coefficients should be equal to the degree + 1.'''       )

					lowercase_       =					list(SCREAMING_SNAKE_CASE_       )
					lowercase_       =					degree
	def __add__(       self  :			Any       ,							SCREAMING_SNAKE_CASE_  :			Polynomial       )       ->     Polynomial:

					if self.degree > polynomial_a.degree:
									lowercase_       =					self.coefficients[:]
									for i in range(polynomial_a.degree + 1       ):
													coefficients[i] += polynomial_a.coefficients[i]
									return Polynomial(self.degree       ,							SCREAMING_SNAKE_CASE_       )
					else:
									lowercase_       =					polynomial_a.coefficients[:]
									for i in range(self.degree + 1       ):
													coefficients[i] += self.coefficients[i]
									return Polynomial(polynomial_a.degree       ,							SCREAMING_SNAKE_CASE_       )
	def __sub__(       self  :			str       ,							SCREAMING_SNAKE_CASE_  :			Polynomial       )       ->     Polynomial:
					return self + polynomial_a * Polynomial(0       ,							[-1]       )
	def __neg__(       self  :			int       )       ->     Polynomial:
					return Polynomial(self.degree       ,							[-c for c in self.coefficients]       )
	def __mul__(       self  :			Any       ,							SCREAMING_SNAKE_CASE_  :			Polynomial       )       ->     Polynomial:
					lowercase_       =					[0] * (self.degree + polynomial_a.degree + 1)
					for i in range(self.degree + 1       ):
									for j in range(polynomial_a.degree + 1       ):
													coefficients[i + j] += (
													    self.coefficients[i] * polynomial_a.coefficients[j]
													)

					return Polynomial(self.degree + polynomial_a.degree       ,							SCREAMING_SNAKE_CASE_       )
	def 						_lowercase  (       self  :			Dict       ,							SCREAMING_SNAKE_CASE_  :			int | float       )       ->     int | float:
					lowercase_       =					0
					for i in range(self.degree + 1       ):
									result += self.coefficients[i] * (substitution**i)
					return result
	def __str__(       self  :			Tuple       )       ->     str:
					lowercase_       =					''''''
					for i in range(self.degree       ,							-1       ,							-1       ):
									if self.coefficients[i] == 0:
													continue
									elif self.coefficients[i] > 0:
													if polynomial:
																	polynomial += " + "
									else:
													polynomial += " - "

									if i == 0:
													polynomial += str(abs(self.coefficients[i]       )       )
									elif i == 1:
													polynomial += str(abs(self.coefficients[i]       )       ) + "x"
									else:
													polynomial += str(abs(self.coefficients[i]       )       ) + "x^" + str(SCREAMING_SNAKE_CASE_       )

					return polynomial
	def __repr__(       self  :			Optional[Any]       )       ->     str:
					return self.__str__()
	def 						_lowercase  (       self  :			int       )       ->     Polynomial:
					lowercase_       =					[0] * self.degree
					for i in range(self.degree       ):
									lowercase_       =					self.coefficients[i + 1] * (i + 1)
					return Polynomial(self.degree - 1       ,							SCREAMING_SNAKE_CASE_       )
	def 						_lowercase  (       self  :			List[str]       ,							SCREAMING_SNAKE_CASE_  :			int | float = 0       )       ->     Polynomial:
					lowercase_       =					[0] * (self.degree + 2)
					lowercase_       =					constant
					for i in range(self.degree + 1       ):
									lowercase_       =					self.coefficients[i] / (i + 1)
					return Polynomial(self.degree + 1       ,							SCREAMING_SNAKE_CASE_       )
	def __eq__(       self  :			str       ,							SCREAMING_SNAKE_CASE_  :			object       )       ->     bool:
					if not isinstance(SCREAMING_SNAKE_CASE_       ,							SCREAMING_SNAKE_CASE_       ):
									return False

					if self.degree != polynomial_a.degree:
									return False

					for i in range(self.degree + 1       ):
									if self.coefficients[i] != polynomial_a.coefficients[i]:
													return False

					return True




	def __ne__(       self  :			List[str]       ,							SCREAMING_SNAKE_CASE_  :			object       )       ->     bool:
					return not self.__eq__(SCREAMING_SNAKE_CASE_       )




