



"""simple docstring"""
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    SCREAMING_SNAKE_CASE__						(      UpperCAmelCase__				):
   __lowerCAmelCase						:     Union[str, Any]		=		''
   __lowerCAmelCase						:     List[Any]		=		'hf-legacy'  # "hf://"" is reserved for hffs

   def __init__(     self   ,  _SCREAMING_SNAKE_CASE = None   ,  _SCREAMING_SNAKE_CASE = None   ,  **_SCREAMING_SNAKE_CASE   ,  )						->   Optional[int]:





    '''simple docstring'''




    super().__init__(self   ,  **_SCREAMING_SNAKE_CASE		)
    UpperCAmelCase			:      Union[str, Any]			=			repo_info
    UpperCAmelCase			:      Any			=			token
    UpperCAmelCase			:      str			=			None

   def 			SCREAMING_SNAKE_CASE  (     self		)						->   int:





    '''simple docstring'''




    if self.dir_cache is None:
     UpperCAmelCase			:      Any			=			{}
     for hf_file in self.repo_info.siblings:
      # TODO(QL): add sizes
      UpperCAmelCase			:      Optional[Any]			=			{
          """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 			SCREAMING_SNAKE_CASE  (     self   ,  _SCREAMING_SNAKE_CASE   ,  _SCREAMING_SNAKE_CASE = "rb"   ,  **_SCREAMING_SNAKE_CASE   ,  )						->   int:





    '''simple docstring'''




    if not isinstance(self.repo_info   ,  _SCREAMING_SNAKE_CASE		):
     raise NotImplementedError(F"Open is only implemented for dataset repositories, but got {self.repo_info}"		)
    UpperCAmelCase			:      str			=			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 			SCREAMING_SNAKE_CASE  (     self   ,  _SCREAMING_SNAKE_CASE   ,  **_SCREAMING_SNAKE_CASE		)						->   Tuple:





    '''simple docstring'''




    self._get_dirs()
    UpperCAmelCase			:      Any			=			self._strip_protocol(_SCREAMING_SNAKE_CASE		)
    if path in self.dir_cache:
     return self.dir_cache[path]
    else:
     raise FileNotFoundError(_SCREAMING_SNAKE_CASE		)




   def 			SCREAMING_SNAKE_CASE  (     self   ,  _SCREAMING_SNAKE_CASE   ,  _SCREAMING_SNAKE_CASE=False   ,  **_SCREAMING_SNAKE_CASE		)						->   Optional[int]:





    '''simple docstring'''




    self._get_dirs()
    UpperCAmelCase			:      Optional[Any]			=			PurePosixPath(path.strip("""/"""		)		)
    UpperCAmelCase			:      int			=			{}
    for p, f in self.dir_cache.items():
     UpperCAmelCase			:      int			=			PurePosixPath(p.strip("""/"""		)		)
     UpperCAmelCase			:      List[str]			=			p.parent
     if root == path:
      UpperCAmelCase			:      Tuple			=			f
    UpperCAmelCase			:      Tuple			=			list(paths.values()		)
    if detail:
     return out
    else:
     return sorted(f["""name"""] for f in out		)





"""simple docstring"""
from __future__ import annotations

from decimal import Decimal

from numpy import array

def    _snake_case		(		UpperCamelCase		:	list[list[float]]		):
 UpperCAmelCase			:      str			=			Decimal

 # Check if the provided matrix has 2 rows and 2 columns
 # since this implementation only works for 2x2 matrices
 if len(UpperCamelCase		) == 2 and len(matrix[0]		) == 2 and len(matrix[1]		) == 2:
  # Calculate the determinant of the matrix
  UpperCAmelCase			:      Optional[int]			=			float(
      d(matrix[0][0]		) * d(matrix[1][1]		) - d(matrix[1][0]		) * d(matrix[0][1]		)		)
  if determinant == 0:
   raise ValueError("""This matrix has no inverse."""		)

  # Creates a copy of the matrix with swapped positions of the elements
  UpperCAmelCase			:      Optional[Any]			=			[[0.0, 0.0], [0.0, 0.0]]
  UpperCAmelCase			,	UpperCAmelCase			:      Any			=			matrix[1][1], matrix[0][0]
  UpperCAmelCase			,	UpperCAmelCase			:      Union[str, Any]			=			-matrix[1][0], -matrix[0][1]

  # Calculate the inverse of the matrix
  return [
      [(float(d(UpperCamelCase		)		) / determinant) or 0.0 for n in row] for row in swapped_matrix
  ]
 elif (
     len(UpperCamelCase		) == 3
     and len(matrix[0]		) == 3
     and len(matrix[1]		) == 3
     and len(matrix[2]		) == 3
 ):
  # Calculate the determinant of the matrix using Sarrus rule
  UpperCAmelCase			:      str			=			float(
      (
          (d(matrix[0][0]		) * d(matrix[1][1]		) * d(matrix[2][2]		))
          + (d(matrix[0][1]		) * d(matrix[1][2]		) * d(matrix[2][0]		))
          + (d(matrix[0][2]		) * d(matrix[1][0]		) * d(matrix[2][1]		))
      )
      - (
          (d(matrix[0][2]		) * d(matrix[1][1]		) * d(matrix[2][0]		))
          + (d(matrix[0][1]		) * d(matrix[1][0]		) * d(matrix[2][2]		))
          + (d(matrix[0][0]		) * d(matrix[1][2]		) * d(matrix[2][1]		))
      )		)
  if determinant == 0:
   raise ValueError("""This matrix has no inverse."""		)

  # Creating cofactor matrix
  UpperCAmelCase			:      Optional[int]			=			[
      [d(0.0		), d(0.0		), d(0.0		)],
      [d(0.0		), d(0.0		), d(0.0		)],
      [d(0.0		), d(0.0		), d(0.0		)],
  ]
  UpperCAmelCase			:      str			=			(d(matrix[1][1]		) * d(matrix[2][2]		)) - (
      d(matrix[1][2]		) * d(matrix[2][1]		)
  )
  UpperCAmelCase			:      List[str]			=			-(
      (d(matrix[1][0]		) * d(matrix[2][2]		)) - (d(matrix[1][2]		) * d(matrix[2][0]		))
  )
  UpperCAmelCase			:      Optional[int]			=			(d(matrix[1][0]		) * d(matrix[2][1]		)) - (
      d(matrix[1][1]		) * d(matrix[2][0]		)
  )
  UpperCAmelCase			:      Optional[int]			=			-(
      (d(matrix[0][1]		) * d(matrix[2][2]		)) - (d(matrix[0][2]		) * d(matrix[2][1]		))
  )
  UpperCAmelCase			:      str			=			(d(matrix[0][0]		) * d(matrix[2][2]		)) - (
      d(matrix[0][2]		) * d(matrix[2][0]		)
  )
  UpperCAmelCase			:      Union[str, Any]			=			-(
      (d(matrix[0][0]		) * d(matrix[2][1]		)) - (d(matrix[0][1]		) * d(matrix[2][0]		))
  )
  UpperCAmelCase			:      Dict			=			(d(matrix[0][1]		) * d(matrix[1][2]		)) - (
      d(matrix[0][2]		) * d(matrix[1][1]		)
  )
  UpperCAmelCase			:      Optional[Any]			=			-(
      (d(matrix[0][0]		) * d(matrix[1][2]		)) - (d(matrix[0][2]		) * d(matrix[1][0]		))
  )
  UpperCAmelCase			:      str			=			(d(matrix[0][0]		) * d(matrix[1][1]		)) - (
      d(matrix[0][1]		) * d(matrix[1][0]		)
  )

  # Transpose the cofactor matrix (Adjoint matrix)
  UpperCAmelCase			:      str			=			array(UpperCamelCase		)
  for i in range(3		):
   for j in range(3		):
    UpperCAmelCase			:      Any			=			cofactor_matrix[j][i]

        # Inverse of the matrix using the formula (1/determinant) * adjoint matrix
  UpperCAmelCase			:      Tuple			=			array(UpperCamelCase		)
  for i in range(3		):
   for j in range(3		):
    inverse_matrix[i][j] /= d(UpperCamelCase		)

        # Calculate the inverse of the matrix
  return [[float(d(UpperCamelCase		)		) or 0.0 for n in row] for row in inverse_matrix]
 raise ValueError("""Please provide a matrix of size 2x2 or 3x3."""		)
