



import importlib
import os

import fsspec
import pytest
from fsspec import register_implementation
from fsspec.registry import _registry as _fsspec_registry

from datasets.filesystems import COMPRESSION_FILESYSTEMS, HfFileSystem, extract_path_from_uri, is_remote_filesystem

from .utils import require_lza, require_zstandard



def 			_lowerCAmelCase       (					__lowerCAmelCase      )   ->					Union[str, Any]:


				"""simple docstring"""

				assert "mock" in _fsspec_registry
				assert "bz2" in _fsspec_registry



def 			_lowerCAmelCase       (					)   ->					Optional[int]:


				"""simple docstring"""

				assert "mock" not in _fsspec_registry
				assert "bz2" in _fsspec_registry



def 			_lowerCAmelCase       (					)   ->					Union[str, Any]:


				"""simple docstring"""

				snake_case__	:      Union[str, Any]     		=	'''mock-s3-bucket'''
				snake_case__	:      List[str]     		=	f"""s3://{mock_bucket}"""
				snake_case__	:      List[Any]     		=	extract_path_from_uri(__lowerCAmelCase      )
				assert dataset_path.startswith('''s3://'''      ) is False

				snake_case__	:      List[Any]     		=	'''./local/path'''
				snake_case__	:      Dict     		=	extract_path_from_uri(__lowerCAmelCase      )
				assert dataset_path == new_dataset_path



def 			_lowerCAmelCase       (					__lowerCAmelCase      )   ->					Optional[Any]:


				"""simple docstring"""

				snake_case__	:      Union[str, Any]     		=	is_remote_filesystem(__lowerCAmelCase      )
				assert is_remote is True

				snake_case__	:      List[str]     		=	fsspec.filesystem('''file'''      )

				snake_case__	:      Dict     		=	is_remote_filesystem(__lowerCAmelCase      )
				assert is_remote is False



@pytest.mark.parametrize('''compression_fs_class'''  ,  __lowerCAmelCase      )
def 			_lowerCAmelCase       (					__lowerCAmelCase  ,  __lowerCAmelCase  ,  __lowerCAmelCase  ,  __lowerCAmelCase  ,  __lowerCAmelCase  ,  __lowerCAmelCase  ,  __lowerCAmelCase      )   ->					Optional[int]:


				"""simple docstring"""

				snake_case__	:      Optional[int]     		=	{'''gzip''': gz_file, '''xz''': xz_file, '''zstd''': zstd_file, '''bz2''': bza_file, '''lz4''': lza_file}
				snake_case__	:      Optional[int]     		=	input_paths[compression_fs_class.protocol]
				if input_path is None:
								snake_case__	:      str     		=	f"""for \'{compression_fs_class.protocol}\' compression protocol, """
								if compression_fs_class.protocol == "lz4":
												reason += require_lza.kwargs["reason"]
								elif compression_fs_class.protocol == "zstd":
												reason += require_zstandard.kwargs["reason"]
								pytest.skip(__lowerCAmelCase      )
				snake_case__	:      Tuple     		=	fsspec.filesystem(compression_fs_class.protocol  ,  fo=__lowerCAmelCase      )
				assert isinstance(__lowerCAmelCase  ,  __lowerCAmelCase      )
				snake_case__	:      Any     		=	os.path.basename(__lowerCAmelCase      )
				snake_case__	:      List[str]     		=	expected_filename[: expected_filename.rindex('''.'''      )]
				assert fs.glob('''*'''      ) == [expected_filename]
				with fs.open(__lowerCAmelCase  ,  '''r'''  ,  encoding='''utf-8'''      ) as f, open(__lowerCAmelCase  ,  encoding='''utf-8'''      ) as expected_file:
								assert f.read() == expected_file.read()



@pytest.mark.parametrize('''protocol'''  ,  ['''zip''', '''gzip''']      )
def 			_lowerCAmelCase       (					__lowerCAmelCase  ,  __lowerCAmelCase  ,  __lowerCAmelCase      )   ->					List[Any]:


				"""simple docstring"""

				snake_case__	:      Union[str, Any]     		=	{'''zip''': zip_jsonl_path, '''gzip''': jsonl_gz_path}
				snake_case__	:      Any     		=	compressed_file_paths[protocol]
				snake_case__	:      Tuple     		=	'''dataset.jsonl'''
				snake_case__	:      List[Any]     		=	f"""{protocol}://{member_file_path}::{compressed_file_path}"""
				snake_case__		, *snake_case__	:      Optional[int]     		=	fsspec.get_fs_token_paths(__lowerCAmelCase      )
				assert fs.isfile(__lowerCAmelCase      )
				assert not fs.isfile('''non_existing_''' + member_file_path      )



@pytest.mark.integration
def 			_lowerCAmelCase       (					__lowerCAmelCase  ,  __lowerCAmelCase  ,  __lowerCAmelCase  ,  __lowerCAmelCase      )   ->					Union[str, Any]:


				"""simple docstring"""

				snake_case__	:      Union[str, Any]     		=	hf_api.dataset_info(__lowerCAmelCase  ,  token=__lowerCAmelCase      )
				snake_case__	:      Dict     		=	HfFileSystem(repo_info=__lowerCAmelCase  ,  token=__lowerCAmelCase      )
				assert sorted(hffs.glob('''*'''      )      ) == [".gitattributes", "data"]
				assert hffs.isdir('''data'''      )
				assert hffs.isfile('''.gitattributes'''      ) and hffs.isfile('''data/text_data.txt'''      )
				with open(__lowerCAmelCase      ) as f:
								assert hffs.open('''data/text_data.txt'''  ,  '''r'''      ).read() == f.read()





def 			_lowerCAmelCase       (					)   ->					Any:


				"""simple docstring"""

				snake_case__	:      Optional[Any]     		=	'''bz2'''

				# Import module
				import datasets.filesystems

				# Overwrite protocol and reload
				register_implementation(__lowerCAmelCase  ,  __lowerCAmelCase  ,  clobber=__lowerCAmelCase      )
				with pytest.warns(__lowerCAmelCase      ) as warning_info:
								importlib.reload(datasets.filesystems      )

				assert len(__lowerCAmelCase      ) == 1
				assert (
				    str(warning_info[0].message      )
				    == f"""A filesystem protocol was already set for {protocol} and will be overwritten."""
				)


"""simple docstring"""


from __future__ import annotations

from collections import Counter
from random import random


class 				a :


    def __init__(    self		:     Union[str, Any]    ):
      _UpperCAmelCase         =					{}


    def    lowerCAmelCase_     (    self		:     Optional[int]      , __lowerCAmelCase		:     str    ):
      _UpperCAmelCase         =					{}


    def    lowerCAmelCase_     (    self		:     str      , __lowerCAmelCase		:     str      , __lowerCAmelCase		:     str      , __lowerCAmelCase		:     float    ):
      if nodea not in self.connections:
        self.add_node(__lowerCAmelCase    )
      if nodea not in self.connections:
        self.add_node(__lowerCAmelCase    )
      _UpperCAmelCase         =					probability


    def    lowerCAmelCase_     (    self		:     Optional[Any]    ):
      return list(self.connections    )


    def    lowerCAmelCase_     (    self		:     List[Any]      , __lowerCAmelCase		:     str    ):
      _UpperCAmelCase         =					0
      _UpperCAmelCase         =					random()

      for dest in self.connections[node]:
        current_probability += self.connections[node][dest]
        if current_probability > random_value:
          return dest
      return ""






def 			__UpperCAmelCase    (	lowercase      ,lowercase      ,lowercase						):







  """simple docstring"""
  _UpperCAmelCase         =					MarkovChainGraphUndirectedUnweighted()

  for nodea, nodea, probability in transitions:
    graph.add_transition_probability(lowercase      ,lowercase      ,lowercase						)

  _UpperCAmelCase         =					Counter(graph.get_nodes()						)
  _UpperCAmelCase         =					start

  for _ in range(lowercase						):
    _UpperCAmelCase         =					graph.transition(lowercase						)
    visited[node] += 1

  return visited


if __name__ == "__main__":
    import doctest

    doctest.testmod()
