


'''simple docstring'''

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 							UpperCamelCase__			(			a__      ):


						'''simple docstring'''






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



def 							UpperCamelCase__			(			):


						'''simple docstring'''






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



def 							UpperCamelCase__			(			):


						'''simple docstring'''






						_lowerCAmelCase										="""mock-s3-bucket"""
						_lowerCAmelCase										=F'''s3://{mock_bucket}'''
						_lowerCAmelCase										=extract_path_from_uri(lowerCamelCase_      )
						assert dataset_path.startswith('s3://'      ) is False

						_lowerCAmelCase										="""./local/path"""
						_lowerCAmelCase										=extract_path_from_uri(lowerCamelCase_      )
						assert dataset_path == new_dataset_path



def 							UpperCamelCase__			(			a__      ):


						'''simple docstring'''






						_lowerCAmelCase										=is_remote_filesystem(lowerCamelCase_      )
						assert is_remote is True

						_lowerCAmelCase										=fsspec.filesystem('file'      )

						_lowerCAmelCase										=is_remote_filesystem(lowerCamelCase_      )
						assert is_remote is False



@pytest.mark.parametrize('compression_fs_class'			,      lowerCamelCase_      )
def 							UpperCamelCase__			(			a__			,      a__			,      a__			,      a__			,      a__			,      a__			,      a__      ):


						'''simple docstring'''






						_lowerCAmelCase										={"""gzip""": gz_file, """xz""": xz_file, """zstd""": zstd_file, """bz2""": bza_file, """lz4""": lza_file}
						_lowerCAmelCase										=input_paths[compression_fs_class.protocol]
						if input_path is None:
												_lowerCAmelCase										=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_      )
						_lowerCAmelCase										=fsspec.filesystem(compression_fs_class.protocol			,      fo=lowerCamelCase_      )
						assert isinstance(lowerCamelCase_			,      lowerCamelCase_      )
						_lowerCAmelCase										=os.path.basename(lowerCamelCase_      )
						_lowerCAmelCase										=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 							UpperCamelCase__			(			a__			,      a__			,      a__      ):


						'''simple docstring'''






						_lowerCAmelCase										={"""zip""": zip_jsonl_path, """gzip""": jsonl_gz_path}
						_lowerCAmelCase										=compressed_file_paths[protocol]
						_lowerCAmelCase										="""dataset.jsonl"""
						_lowerCAmelCase										=F'''{protocol}://{member_file_path}::{compressed_file_path}'''
						_lowerCAmelCase										=fsspec.get_fs_token_paths(lowerCamelCase_      )
						assert fs.isfile(lowerCamelCase_      )
						assert not fs.isfile('non_existing_' + member_file_path      )



@pytest.mark.integration
def 							UpperCamelCase__			(			a__			,      a__			,      a__			,      a__      ):


						'''simple docstring'''






						_lowerCAmelCase										=hf_api.dataset_info(lowerCamelCase_			,      token=lowerCamelCase_      )
						_lowerCAmelCase										=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 							UpperCamelCase__			(			):


						'''simple docstring'''






						_lowerCAmelCase										="""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'''

def 							UpperCamelCase__			(			a__      ):


						'''simple docstring'''






						_lowerCAmelCase										=set()
						# To detect a back edge, keep track of vertices currently in the recursion stack
						_lowerCAmelCase										=set()
						return any(
						    node not in visited and depth_first_search(a__			,      a__			,      a__			,      a__      )
						    for node in graph      )



def 							UpperCamelCase__			(			a__			,      a__			,      a__			,      a__      ):


						'''simple docstring'''






						visited.add(a__      )
						rec_stk.add(a__      )

						for node in graph[vertex]:
												if node not in visited:
																		if depth_first_search(a__			,      a__			,      a__			,      a__      ):
																								return True
												elif node in rec_stk:
																		return True

    # The node needs to be removed from recursion stack before function ends
						rec_stk.remove(a__      )
						return False


if __name__ == "__main__":
							from doctest import testmod

							testmod()





