





'''simple docstring'''

# Author: OMKAR PATHAK, Nwachukwu Chidiebere

# Use a Python dictionary to construct the graph.
from __future__ import annotations

from pprint import pformat
from typing import Generic, TypeVar

a   	=    TypeVar("T")







class __a			( Generic[T]      ):





   def __init__(       self					:      Union[str, Any]					,lowerCamelCase					:      bool = True     ):

      '''simple docstring'''

      __SCREAMING_SNAKE_CASE   				=							{}  # dictionary of lists
      __SCREAMING_SNAKE_CASE   				=							directed





   def   UpperCAmelCase__  (       self					:      int					,lowerCamelCase					:      T					,lowerCamelCase					:      T     ):

      '''simple docstring'''

      if not self.directed:  # For undirected graphs
         # if both source vertex and destination vertex are both present in the
         # adjacency list, add destination vertex to source vertex list of adjacent
         # vertices and add source vertex to destination vertex list of adjacent
         # vertices.
         if source_vertex in self.adj_list and destination_vertex in self.adj_list:
            self.adj_list[source_vertex].append(lowerCamelCase     )
            self.adj_list[destination_vertex].append(lowerCamelCase     )
         # if only source vertex is present in adjacency list, add destination vertex
         # to source vertex list of adjacent vertices, then create a new vertex with
         # destination vertex as key and assign a list containing the source vertex
         # as it's first adjacent vertex.
         elif source_vertex in self.adj_list:
            self.adj_list[source_vertex].append(lowerCamelCase     )
            __SCREAMING_SNAKE_CASE   				=							[source_vertex]
         # if only destination vertex is present in adjacency list, add source vertex
         # to destination vertex list of adjacent vertices, then create a new vertex
         # with source vertex as key and assign a list containing the source vertex
         # as it's first adjacent vertex.
         elif destination_vertex in self.adj_list:
            self.adj_list[destination_vertex].append(lowerCamelCase     )
            __SCREAMING_SNAKE_CASE   				=							[destination_vertex]
         # if both source vertex and destination vertex are not present in adjacency
         # list, create a new vertex with source vertex as key and assign a list
         # containing the destination vertex as it's first adjacent vertex also
         # create a new vertex with destination vertex as key and assign a list
         # containing the source vertex as it's first adjacent vertex.
         else:
            __SCREAMING_SNAKE_CASE   				=							[destination_vertex]
            __SCREAMING_SNAKE_CASE   				=							[source_vertex]
      else:  # For directed graphs
         # if both source vertex and destination vertex are present in adjacency
         # list, add destination vertex to source vertex list of adjacent vertices.
         if source_vertex in self.adj_list and destination_vertex in self.adj_list:
            self.adj_list[source_vertex].append(lowerCamelCase     )
         # if only source vertex is present in adjacency list, add destination
         # vertex to source vertex list of adjacent vertices and create a new vertex
         # with destination vertex as key, which has no adjacent vertex
         elif source_vertex in self.adj_list:
            self.adj_list[source_vertex].append(lowerCamelCase     )
            __SCREAMING_SNAKE_CASE   				=							[]
         # if only destination vertex is present in adjacency list, create a new
         # vertex with source vertex as key and assign a list containing destination
         # vertex as first adjacent vertex
         elif destination_vertex in self.adj_list:
            __SCREAMING_SNAKE_CASE   				=							[destination_vertex]
         # if both source vertex and destination vertex are not present in adjacency
         # list, create a new vertex with source vertex as key and a list containing
         # destination vertex as it's first adjacent vertex. Then create a new vertex
         # with destination vertex as key, which has no adjacent vertex
         else:
            __SCREAMING_SNAKE_CASE   				=							[destination_vertex]
            __SCREAMING_SNAKE_CASE   				=							[]

      return self





   def __repr__(       self					:      List[str]     ):

      '''simple docstring'''

      return pformat(self.adj_list     )












'''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 __a			( _snake_case      ):
   __UpperCamelCase :			Any						   =						''
   __UpperCamelCase :			int						   =						'hf-legacy'  # "hf://"" is reserved for hffs





   def __init__(       self					:      Any					,lowerCamelCase					:      Optional[DatasetInfo] = None					,lowerCamelCase					:      Optional[str] = None					,**lowerCamelCase					:      Dict					,):

      '''simple docstring'''

      super().__init__(self					,**lowerCamelCase     )
      __SCREAMING_SNAKE_CASE   				=							repo_info
      __SCREAMING_SNAKE_CASE   				=							token
      __SCREAMING_SNAKE_CASE   				=							None





   def   UpperCAmelCase__  (       self					:      Optional[int]     ):

      '''simple docstring'''

      if self.dir_cache is None:
         __SCREAMING_SNAKE_CASE   				=							{}
         for hf_file in self.repo_info.siblings:
            # TODO(QL): add sizes
            __SCREAMING_SNAKE_CASE   				=							{
                """name""": hf_file.rfilename,
                """size""": None,
                """type""": """file""",
            }
            self.dir_cache.update(
                {
                    str(lowerCamelCase     ): {"""name""": str(lowerCamelCase     ), """size""": None, """type""": """directory"""}
                    for d in list(PurePosixPath(hf_file.rfilename     ).parents     )[:-1]
                }     )





   def   UpperCAmelCase__  (       self					:      List[Any]					,lowerCamelCase					:      str					,lowerCamelCase					:      str = "rb"					,**lowerCamelCase					:      Optional[Any]					,):

      '''simple docstring'''

      if not isinstance(self.repo_info					,lowerCamelCase     ):
         raise NotImplementedError(f"""Open is only implemented for dataset repositories, but got {self.repo_info}"""     )
      __SCREAMING_SNAKE_CASE   				=							hf_hub_url(self.repo_info.id					,lowerCamelCase					,revision=self.repo_info.sha     )
      return fsspec.open(
          lowerCamelCase					,mode=lowerCamelCase					,headers=get_authentication_headers_for_url(lowerCamelCase					,use_auth_token=self.token     )					,client_kwargs={"""trust_env""": True}					,).open()





   def   UpperCAmelCase__  (       self					:      Tuple					,lowerCamelCase					:      Any					,**lowerCamelCase					:      Optional[Any]     ):

      '''simple docstring'''

      self._get_dirs()
      __SCREAMING_SNAKE_CASE   				=							self._strip_protocol(lowerCamelCase     )
      if path in self.dir_cache:
         return self.dir_cache[path]
      else:
         raise FileNotFoundError(lowerCamelCase     )





   def   UpperCAmelCase__  (       self					:      str					,lowerCamelCase					:      Any					,lowerCamelCase					:      str=False					,**lowerCamelCase					:      Any     ):

      '''simple docstring'''

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





