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  (		snake_case  ):
							assert "mock" in _fsspec_registry
							assert "bz2" in _fsspec_registry






def _lowerCamelCase  (		):
							assert "mock" not in _fsspec_registry
							assert "bz2" in _fsspec_registry






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

							_lowerCAmelCase							=							'./local/path'
							_lowerCAmelCase							=							extract_path_from_uri(snake_case  )
							assert dataset_path == new_dataset_path






def _lowerCamelCase  (		snake_case  ):
							_lowerCAmelCase							=							is_remote_filesystem(snake_case  )
							assert is_remote is True

							_lowerCAmelCase							=							fsspec.filesystem('file'  )

							_lowerCAmelCase							=							is_remote_filesystem(snake_case  )
							assert is_remote is False






@pytest.mark.parametrize('compression_fs_class'     , snake_case  )
def _lowerCamelCase  (		snake_case     , snake_case     , snake_case     , snake_case     , snake_case     , snake_case     , snake_case  ):
							_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(snake_case  )
							_lowerCAmelCase							=							fsspec.filesystem(compression_fs_class.protocol     , fo=snake_case  )
							assert isinstance(snake_case     , snake_case  )
							_lowerCAmelCase							=							os.path.basename(snake_case  )
							_lowerCAmelCase							=							expected_filename[: expected_filename.rindex('.'  )]
							assert fs.glob('*'  ) == [expected_filename]
							with fs.open(snake_case     , 'r'     , encoding='utf-8'  ) as f, open(snake_case     , encoding='utf-8'  ) as expected_file:
														assert f.read() == expected_file.read()






@pytest.mark.parametrize('protocol'     , ['zip', 'gzip']  )
def _lowerCamelCase  (		snake_case     , snake_case     , snake_case  ):
							_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			,		*_lowerCAmelCase							=							fsspec.get_fs_token_paths(snake_case  )
							assert fs.isfile(snake_case  )
							assert not fs.isfile('non_existing_' + member_file_path  )






@pytest.mark.integration
def _lowerCamelCase  (		snake_case     , snake_case     , snake_case     , snake_case  ):
							_lowerCAmelCase							=							hf_api.dataset_info(snake_case     , token=snake_case  )
							_lowerCAmelCase							=							HfFileSystem(repo_info=snake_case     , token=snake_case  )
							assert sorted(hffs.glob('*'  )  ) == [".gitattributes", "data"]
							assert hffs.isdir('data'  )
							assert hffs.isfile('.gitattributes'  ) and hffs.isfile('data/text_data.txt'  )
							with open(snake_case  ) as f:
														assert hffs.open('data/text_data.txt'     , 'r'  ).read() == f.read()






def _lowerCamelCase  (		):
							_lowerCAmelCase							=							'bz2'

							# Import module
							import datasets.filesystems

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

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







def _lowerCamelCase  (		snake_case  ):
							assert (
							    isinstance(snake_case     , snake_case  ) and number_of_steps > 0
							), F'number_of_steps needs to be positive integer, your input {number_of_steps}'
							if number_of_steps == 1:
														return 1
							_lowerCAmelCase			,		_lowerCAmelCase							=							1, 1
							for _ in range(number_of_steps - 1  ):
														_lowerCAmelCase			,		_lowerCAmelCase							=							current + previous, current
							return current


if __name__ == "__main__":
				import doctest

				doctest.testmod()






