




"""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 						snake_case__       (					_lowerCamelCase				)			->Union[str, Any]:






		"""simple docstring"""


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

def 						snake_case__       (					)			->Dict:






		"""simple docstring"""


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

def 						snake_case__       (					)			->int:






		"""simple docstring"""


		__lowercase				:		Dict												=				"""mock-s3-bucket"""
		__lowercase				:		int												=				F's3://{mock_bucket}'
		__lowercase				:		Optional[Any]												=				extract_path_from_uri(lowerCamelCase_				)
		assert dataset_path.startswith("s3://"				) is False

		__lowercase				:		Optional[int]												=				"""./local/path"""
		__lowercase				:		Dict												=				extract_path_from_uri(lowerCamelCase_				)
		assert dataset_path == new_dataset_path

def 						snake_case__       (					_lowerCamelCase				)			->Any:






		"""simple docstring"""


		__lowercase				:		Optional[Any]												=				is_remote_filesystem(lowerCamelCase_				)
		assert is_remote is True

		__lowercase				:		List[str]												=				fsspec.filesystem("file"				)

		__lowercase				:		Any												=				is_remote_filesystem(lowerCamelCase_				)
		assert is_remote is False

@pytest.mark.parametrize("compression_fs_class",  lowerCamelCase_				)
def 						snake_case__       (					_lowerCamelCase,  _lowerCamelCase,  _lowerCamelCase,  _lowerCamelCase,  _lowerCamelCase,  _lowerCamelCase,  _lowerCamelCase				)			->Tuple:






		"""simple docstring"""


		__lowercase				:		Optional[int]												=				{"""gzip""": gz_file, """xz""": xz_file, """zstd""": zstd_file, """bz2""": bza_file, """lz4""": lza_file}
		__lowercase				:		List[str]												=				input_paths[compression_fs_class.protocol]
		if input_path is None:
				__lowercase				:		Dict												=				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_				)
		__lowercase				:		Union[str, Any]												=				fsspec.filesystem(compression_fs_class.protocol,  fo=lowerCamelCase_				)
		assert isinstance(lowerCamelCase_,  lowerCamelCase_				)
		__lowercase				:		Any												=				os.path.basename(lowerCamelCase_				)
		__lowercase				:		Optional[int]												=				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 						snake_case__       (					_lowerCamelCase,  _lowerCamelCase,  _lowerCamelCase				)			->Dict:






		"""simple docstring"""


		__lowercase				:		Optional[Any]												=				{"""zip""": zip_jsonl_path, """gzip""": jsonl_gz_path}
		__lowercase				:		int												=				compressed_file_paths[protocol]
		__lowercase				:		int												=				"""dataset.jsonl"""
		__lowercase				:		List[str]												=				F'{protocol}://{member_file_path}::{compressed_file_path}'
		__lowercase				:		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 						snake_case__       (					_lowerCamelCase,  _lowerCamelCase,  _lowerCamelCase,  _lowerCamelCase				)			->Optional[Any]:






		"""simple docstring"""


		__lowercase				:		List[str]												=				hf_api.dataset_info(lowerCamelCase_,  token=lowerCamelCase_				)
		__lowercase				:		Tuple												=				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 						snake_case__       (					)			->Optional[Any]:






		"""simple docstring"""


		__lowercase				:		List[str]												=				"""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 						snake_case__       (					_lowerCamelCase				)			->list:






		"""simple docstring"""


		__lowercase				:		Optional[int]												=				[0] * len(_lowerCamelCase				)

		for i in range(1,  len(_lowerCamelCase				)				):
				# use last results for better performance - dynamic programming
				__lowercase				:		Optional[Any]												=				prefix_result[i - 1]
				while j > 0 and input_string[i] != input_string[j]:
						__lowercase				:		List[str]												=				prefix_result[j - 1]

				if input_string[i] == input_string[j]:
						j += 1
				__lowercase				:		Any												=				j

		return prefix_result

def 						snake_case__       (					_lowerCamelCase				)			->int:






		"""simple docstring"""


		return max(prefix_function(_lowerCamelCase				)				)


if __name__ == "__main__":
						import doctest

						doctest.testmod()
