
import json
import os
from functools import lru_cache
from typing import List, Optional, Tuple

import regex as re

from ...tokenization_utils import AddedToken, PreTrainedTokenizer
from ...utils import logging


__A							=logging.get_logger(__name__)


__A							={'''vocab_file''': '''vocab.json''', '''merges_file''': '''merges.txt'''}

__A							={
    '''vocab_file''': {
        '''allenai/longformer-base-4096''': '''https://huggingface.co/allenai/longformer-base-4096/resolve/main/vocab.json''',
        '''allenai/longformer-large-4096''': (
            '''https://huggingface.co/allenai/longformer-large-4096/resolve/main/vocab.json'''
        ),
        '''allenai/longformer-large-4096-finetuned-triviaqa''': (
            '''https://huggingface.co/allenai/longformer-large-4096-finetuned-triviaqa/resolve/main/vocab.json'''
        ),
        '''allenai/longformer-base-4096-extra.pos.embd.only''': (
            '''https://huggingface.co/allenai/longformer-base-4096-extra.pos.embd.only/resolve/main/vocab.json'''
        ),
        '''allenai/longformer-large-4096-extra.pos.embd.only''': (
            '''https://huggingface.co/allenai/longformer-large-4096-extra.pos.embd.only/resolve/main/vocab.json'''
        ),
    },
    '''merges_file''': {
        '''allenai/longformer-base-4096''': '''https://huggingface.co/allenai/longformer-base-4096/resolve/main/merges.txt''',
        '''allenai/longformer-large-4096''': (
            '''https://huggingface.co/allenai/longformer-large-4096/resolve/main/merges.txt'''
        ),
        '''allenai/longformer-large-4096-finetuned-triviaqa''': (
            '''https://huggingface.co/allenai/longformer-large-4096-finetuned-triviaqa/resolve/main/merges.txt'''
        ),
        '''allenai/longformer-base-4096-extra.pos.embd.only''': (
            '''https://huggingface.co/allenai/longformer-base-4096-extra.pos.embd.only/resolve/main/merges.txt'''
        ),
        '''allenai/longformer-large-4096-extra.pos.embd.only''': (
            '''https://huggingface.co/allenai/longformer-large-4096-extra.pos.embd.only/resolve/main/merges.txt'''
        ),
    },
}

__A							={
    '''allenai/longformer-base-4096''': 4_0_9_6,
    '''allenai/longformer-large-4096''': 4_0_9_6,
    '''allenai/longformer-large-4096-finetuned-triviaqa''': 4_0_9_6,
    '''allenai/longformer-base-4096-extra.pos.embd.only''': 4_0_9_6,
    '''allenai/longformer-large-4096-extra.pos.embd.only''': 4_0_9_6,
}





@lru_cache()
# Copied from transformers.models.roberta.tokenization_roberta.bytes_to_unicode
def      lowerCamelCase_					(							):
				lowerCamelCase_         =     (
				    list(range(ord("!"       )      ,					ord("~"       ) + 1       )       ) + list(range(ord("¡"       )      ,					ord("¬"       ) + 1       )       ) + list(range(ord("®"       )      ,					ord("ÿ"       ) + 1       )       )
				)
				lowerCamelCase_         =     bs[:]
				lowerCamelCase_         =     0
				for b in range(2**8       ):
								if b not in bs:
												bs.append(lowerCamelCase__       )
												cs.append(2**8 + n       )
												n += 1
				lowerCamelCase_         =     [chr(lowerCamelCase__       ) for n in cs]
				return dict(zip(lowerCamelCase__      ,					lowerCamelCase__       )       )





def      lowerCamelCase_					(							lowerCamelCase__       ):
				lowerCamelCase_         =     set()
				lowerCamelCase_         =     word[0]
				for char in word[1:]:
								pairs.add((prev_char, char)       )
								lowerCamelCase_         =     char
				return pairs





class        _SCREAMING_SNAKE_CASE	( snake_case_		):
	lowerCAmelCase__   =					VOCAB_FILES_NAMES
	lowerCAmelCase__   =					PRETRAINED_VOCAB_FILES_MAP
	lowerCAmelCase__   =					PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
	lowerCAmelCase__   =					['input_ids', 'attention_mask']



	def __init__(       self		,    lowercase		,    lowercase		,    lowercase="replace"		,    lowercase="<s>"		,    lowercase="</s>"		,    lowercase="</s>"		,    lowercase="<s>"		,    lowercase="<unk>"		,    lowercase="<pad>"		,    lowercase="<mask>"		,    lowercase=False		,    **lowercase		,    )							->			Optional[int]:
					lowerCamelCase_         =     AddedToken(lowercase		,    lstrip=lowercase		,    rstrip=lowercase					) if isinstance(lowercase		,    lowercase					) else bos_token
					lowerCamelCase_         =     AddedToken(lowercase		,    lstrip=lowercase		,    rstrip=lowercase					) if isinstance(lowercase		,    lowercase					) else eos_token
					lowerCamelCase_         =     AddedToken(lowercase		,    lstrip=lowercase		,    rstrip=lowercase					) if isinstance(lowercase		,    lowercase					) else sep_token
					lowerCamelCase_         =     AddedToken(lowercase		,    lstrip=lowercase		,    rstrip=lowercase					) if isinstance(lowercase		,    lowercase					) else cls_token
					lowerCamelCase_         =     AddedToken(lowercase		,    lstrip=lowercase		,    rstrip=lowercase					) if isinstance(lowercase		,    lowercase					) else unk_token
					lowerCamelCase_         =     AddedToken(lowercase		,    lstrip=lowercase		,    rstrip=lowercase					) if isinstance(lowercase		,    lowercase					) else pad_token

					# Mask token behave like a normal word, i.e. include the space before it
					lowerCamelCase_         =     AddedToken(lowercase		,    lstrip=lowercase		,    rstrip=lowercase					) if isinstance(lowercase		,    lowercase					) else mask_token

					super().__init__(
					    errors=lowercase		,    bos_token=lowercase		,    eos_token=lowercase		,    unk_token=lowercase		,    sep_token=lowercase		,    cls_token=lowercase		,    pad_token=lowercase		,    mask_token=lowercase		,    add_prefix_space=lowercase		,    **lowercase		,    )

					with open(lowercase		,    encoding="utf-8"					) as vocab_handle:
									lowerCamelCase_         =     json.load(lowercase					)
					lowerCamelCase_         =     {v: k for k, v in self.encoder.items()}
					lowerCamelCase_         =     errors  # how to handle errors in decoding
					lowerCamelCase_         =     bytes_to_unicode()
					lowerCamelCase_         =     {v: k for k, v in self.byte_encoder.items()}
					with open(lowercase		,    encoding="utf-8"					) as merges_handle:
									lowerCamelCase_         =     merges_handle.read().split("\n"					)[1:-1]
					lowerCamelCase_         =     [tuple(merge.split()					) for merge in bpe_merges]
					lowerCamelCase_         =     dict(zip(lowercase		,    range(len(lowercase					)					)					)					)
					lowerCamelCase_         =     {}
					lowerCamelCase_         =     add_prefix_space

					# Should have added re.IGNORECASE so BPE merges can happen for capitalized versions of contractions
					lowerCamelCase_         =     re.compile(R"'s|'t|'re|'ve|'m|'ll|'d| ?\p{L}+| ?\p{N}+| ?[^\s\p{L}\p{N}]+|\s+(?!\S)|\s+"					)



	@property
	def        SCREAMING_SNAKE_CASE_(       self					)							->			Optional[int]:
					return len(self.encoder					)



	def        SCREAMING_SNAKE_CASE_(       self					)							->			Union[str, Any]:
					return dict(self.encoder		,    **self.added_tokens_encoder					)



	def        SCREAMING_SNAKE_CASE_(       self		,    lowercase					)							->			List[Any]:
					if token in self.cache:
									return self.cache[token]
					lowerCamelCase_         =     tuple(lowercase					)
					lowerCamelCase_         =     get_pairs(lowercase					)

					if not pairs:
									return token

					while True:
									lowerCamelCase_         =     min(lowercase		,    key=lambda lowercase					: self.bpe_ranks.get(lowercase		,    float("inf"					)					)					)
									if bigram not in self.bpe_ranks:
													break
									lowerCamelCase_      ,       lowerCamelCase_         =     bigram
									lowerCamelCase_         =     []
									lowerCamelCase_         =     0
									while i < len(lowercase					):
													try:
																	lowerCamelCase_         =     word.index(lowercase		,    lowercase					)
													except ValueError:
																	new_word.extend(word[i:]					)
																	break
													else:
																	new_word.extend(word[i:j]					)
																	lowerCamelCase_         =     j

													if word[i] == first and i < len(lowercase					) - 1 and word[i + 1] == second:
																	new_word.append(first + second					)
																	i += 2
													else:
																	new_word.append(word[i]					)
																	i += 1
									lowerCamelCase_         =     tuple(lowercase					)
									lowerCamelCase_         =     new_word
									if len(lowercase					) == 1:
													break
									else:
													lowerCamelCase_         =     get_pairs(lowercase					)
					lowerCamelCase_         =     " ".join(lowercase					)
					lowerCamelCase_         =     word
					return word



	def        SCREAMING_SNAKE_CASE_(       self		,    lowercase					)							->			List[str]:
					lowerCamelCase_         =     []
					for token in re.findall(self.pat		,    lowercase					):
									lowerCamelCase_         =     "".join(
									    self.byte_encoder[b] for b in token.encode("utf-8"					)					)  # Maps all our bytes to unicode strings, avoiding control tokens of the BPE (spaces in our case)
									bpe_tokens.extend(bpe_token for bpe_token in self.bpe(lowercase					).split(" "					)					)
					return bpe_tokens



	def        SCREAMING_SNAKE_CASE_(       self		,    lowercase					)							->			Optional[Any]:
					return self.encoder.get(lowercase		,    self.encoder.get(self.unk_token					)					)



	def        SCREAMING_SNAKE_CASE_(       self		,    lowercase					)							->			str:
					return self.decoder.get(lowercase					)



	def        SCREAMING_SNAKE_CASE_(       self		,    lowercase					)							->			int:
					lowerCamelCase_         =     "".join(lowercase					)
					lowerCamelCase_         =     bytearray([self.byte_decoder[c] for c in text]					).decode("utf-8"		,    errors=self.errors					)
					return text



	def        SCREAMING_SNAKE_CASE_(       self		,    lowercase		,    lowercase = None					)							->			Tuple[str]:
					if not os.path.isdir(lowercase					):
									logger.error(f'Vocabulary path ({save_directory}) should be a directory'					)
									return
					lowerCamelCase_         =     os.path.join(
					    lowercase		,    (filename_prefix + "-" if filename_prefix else "") + VOCAB_FILES_NAMES["vocab_file"]					)
					lowerCamelCase_         =     os.path.join(
					    lowercase		,    (filename_prefix + "-" if filename_prefix else "") + VOCAB_FILES_NAMES["merges_file"]					)

					with open(lowercase		,    "w"		,    encoding="utf-8"					) as f:
									f.write(json.dumps(self.encoder		,    indent=2		,    sort_keys=lowercase		,    ensure_ascii=lowercase					) + "\n"					)

					lowerCamelCase_         =     0
					with open(lowercase		,    "w"		,    encoding="utf-8"					) as writer:
									writer.write("#version: 0.2\n"					)
									for bpe_tokens, token_index in sorted(self.bpe_ranks.items()		,    key=lambda lowercase					: kv[1]					):
													if index != token_index:
																	logger.warning(
																	    f'Saving vocabulary to {merge_file}: BPE merge indices are not consecutive.'
																	    " Please check that the tokenizer is not corrupted!"					)
																	lowerCamelCase_         =     token_index
													writer.write(" ".join(lowercase					) + "\n"					)
													index += 1

					return vocab_file, merge_file



	def        SCREAMING_SNAKE_CASE_(       self		,    lowercase		,    lowercase = None					)							->			List[int]:
					if token_ids_a is None:
									return [self.cls_token_id] + token_ids_a + [self.sep_token_id]
					lowerCamelCase_         =     [self.cls_token_id]
					lowerCamelCase_         =     [self.sep_token_id]
					return cls + token_ids_a + sep + sep + token_ids_a + sep



	def        SCREAMING_SNAKE_CASE_(       self		,    lowercase		,    lowercase = None		,    lowercase = False					)							->			List[int]:
					if already_has_special_tokens:
									return super().get_special_tokens_mask(
									    token_ids_a=lowercase		,    token_ids_a=lowercase		,    already_has_special_tokens=lowercase					)

					if token_ids_a is None:
									return [1] + ([0] * len(lowercase					)) + [1]
					return [1] + ([0] * len(lowercase					)) + [1, 1] + ([0] * len(lowercase					)) + [1]



	def        SCREAMING_SNAKE_CASE_(       self		,    lowercase		,    lowercase = None					)							->			List[int]:
					lowerCamelCase_         =     [self.sep_token_id]
					lowerCamelCase_         =     [self.cls_token_id]

					if token_ids_a is None:
									return len(cls + token_ids_a + sep					) * [0]
					return len(cls + token_ids_a + sep + sep + token_ids_a + sep					) * [0]



	def        SCREAMING_SNAKE_CASE_(       self		,    lowercase		,    lowercase=False		,    **lowercase					)							->			Any:
					lowerCamelCase_         =     kwargs.pop("add_prefix_space"		,    self.add_prefix_space					)
					if (is_split_into_words or add_prefix_space) and (len(lowercase					) > 0 and not text[0].isspace()):
									lowerCamelCase_         =     " " + text
					return (text, kwargs)




import json
import os
from pathlib import Path

import pytest

from datasets.download.download_config import DownloadConfig
from datasets.download.download_manager import DownloadManager
from datasets.utils.file_utils import hash_url_to_filename


__A							='''http://www.mocksite.com/file1.txt'''
__A							='''"text": ["foo", "foo"]'''
__A							='''6d8ce9aa78a471c7477201efbeabd3bb01ac2e7d100a6dc024ba1608361f90a8'''




class        _SCREAMING_SNAKE_CASE	:
	lowerCAmelCase__   =					2_00
	lowerCAmelCase__   =					{'Content-Length': '100'}
	lowerCAmelCase__   =					{}



	def        SCREAMING_SNAKE_CASE_(       self		,    **lowercase					)							->			int:
					return [bytes(lowercase		,    "utf-8"					)]





def      lowerCamelCase_					(							*lowerCamelCase__      ,					**lowerCamelCase__       ):
				return MockResponse()





@pytest.mark.parametrize("urls_type"      ,					[str, list, dict]       )
def      lowerCamelCase_					(							lowerCamelCase__      ,					lowerCamelCase__      ,					lowerCamelCase__       ):
				import requests

				monkeypatch.setattr(lowerCamelCase__      ,					"request"      ,					lowerCamelCase__       )

				lowerCamelCase_         =     URL
				if issubclass(lowerCamelCase__      ,					lowerCamelCase__       ):
								lowerCamelCase_         =     url
				elif issubclass(lowerCamelCase__      ,					lowerCamelCase__       ):
								lowerCamelCase_         =     [url]
				elif issubclass(lowerCamelCase__      ,					lowerCamelCase__       ):
								lowerCamelCase_         =     {"train": url}
				lowerCamelCase_         =     "dummy"
				lowerCamelCase_         =     "downloads"
				lowerCamelCase_         =     tmp_path
				lowerCamelCase_         =     DownloadConfig(
				    cache_dir=os.path.join(lowerCamelCase__      ,					lowerCamelCase__       )      ,					use_etag=lowerCamelCase__      ,					)
				lowerCamelCase_         =     DownloadManager(dataset_name=lowerCamelCase__      ,					download_config=lowerCamelCase__       )
				lowerCamelCase_         =     dl_manager.download(lowerCamelCase__       )
				lowerCamelCase_         =     urls
				for downloaded_paths in [downloaded_paths]:
								if isinstance(lowerCamelCase__      ,					lowerCamelCase__       ):
												lowerCamelCase_         =     [downloaded_paths]
												lowerCamelCase_         =     [urls]
								elif isinstance(lowerCamelCase__      ,					lowerCamelCase__       ):
												assert "train" in downloaded_paths.keys()
												lowerCamelCase_         =     downloaded_paths.values()
												lowerCamelCase_         =     urls.values()
								assert downloaded_paths
								for downloaded_path, input_url in zip(lowerCamelCase__      ,					lowerCamelCase__       ):
												assert downloaded_path == dl_manager.downloaded_paths[input_url]
												lowerCamelCase_         =     Path(lowerCamelCase__       )
												lowerCamelCase_         =     downloaded_path.parts
												assert parts[-1] == HASH
												assert parts[-2] == cache_subdir
												assert downloaded_path.exists()
												lowerCamelCase_         =     downloaded_path.read_text()
												assert content == CONTENT
												lowerCamelCase_         =     downloaded_path.with_suffix(".json"       )
												assert metadata_downloaded_path.exists()
												lowerCamelCase_         =     json.loads(metadata_downloaded_path.read_text()       )
												assert metadata_content == {"url": URL, "etag": None}





@pytest.mark.parametrize("paths_type"      ,					[str, list, dict]       )
def      lowerCamelCase_					(							lowerCamelCase__      ,					lowerCamelCase__      ,					lowerCamelCase__       ):
				lowerCamelCase_         =     str(lowerCamelCase__       )
				if issubclass(lowerCamelCase__      ,					lowerCamelCase__       ):
								lowerCamelCase_         =     filename
				elif issubclass(lowerCamelCase__      ,					lowerCamelCase__       ):
								lowerCamelCase_         =     [filename]
				elif issubclass(lowerCamelCase__      ,					lowerCamelCase__       ):
								lowerCamelCase_         =     {"train": filename}
				lowerCamelCase_         =     "dummy"
				lowerCamelCase_         =     xz_file.parent
				lowerCamelCase_         =     "extracted"
				lowerCamelCase_         =     DownloadConfig(
				    cache_dir=lowerCamelCase__      ,					use_etag=lowerCamelCase__      ,					)
				lowerCamelCase_         =     DownloadManager(dataset_name=lowerCamelCase__      ,					download_config=lowerCamelCase__       )
				lowerCamelCase_         =     dl_manager.extract(lowerCamelCase__       )
				lowerCamelCase_         =     paths
				for extracted_paths in [extracted_paths]:
								if isinstance(lowerCamelCase__      ,					lowerCamelCase__       ):
												lowerCamelCase_         =     [extracted_paths]
												lowerCamelCase_         =     [paths]
								elif isinstance(lowerCamelCase__      ,					lowerCamelCase__       ):
												assert "train" in extracted_paths.keys()
												lowerCamelCase_         =     extracted_paths.values()
												lowerCamelCase_         =     paths.values()
								assert extracted_paths
								for extracted_path, input_path in zip(lowerCamelCase__      ,					lowerCamelCase__       ):
												assert extracted_path == dl_manager.extracted_paths[input_path]
												lowerCamelCase_         =     Path(lowerCamelCase__       )
												lowerCamelCase_         =     extracted_path.parts
												assert parts[-1] == hash_url_to_filename(lowerCamelCase__      ,					etag=lowerCamelCase__       )
												assert parts[-2] == extracted_subdir
												assert extracted_path.exists()
												lowerCamelCase_         =     extracted_path.read_text()
												lowerCamelCase_         =     text_file.read_text()
												assert extracted_file_content == expected_file_content





def      lowerCamelCase_					(							lowerCamelCase__      ,					lowerCamelCase__       ):
				assert path.endswith(".jsonl"       )
				for num_items, line in enumerate(lowerCamelCase__      ,					start=1       ):
								lowerCamelCase_         =     json.loads(line.decode("utf-8"       )       )
								assert item.keys() == {"col_1", "col_2", "col_3"}
				assert num_items == 4





@pytest.mark.parametrize("archive_jsonl"      ,					["tar_jsonl_path", "zip_jsonl_path"]       )
def      lowerCamelCase_					(							lowerCamelCase__      ,					lowerCamelCase__       ):
				lowerCamelCase_         =     request.getfixturevalue(lowerCamelCase__       )
				lowerCamelCase_         =     DownloadManager()
				for num_jsonl, (path, file) in enumerate(dl_manager.iter_archive(lowerCamelCase__       )      ,					start=1       ):
								_test_jsonl(lowerCamelCase__      ,					lowerCamelCase__       )
				assert num_jsonl == 2





@pytest.mark.parametrize("archive_nested_jsonl"      ,					["tar_nested_jsonl_path", "zip_nested_jsonl_path"]       )
def      lowerCamelCase_					(							lowerCamelCase__      ,					lowerCamelCase__       ):
				lowerCamelCase_         =     request.getfixturevalue(lowerCamelCase__       )
				lowerCamelCase_         =     DownloadManager()
				for num_tar, (path, file) in enumerate(dl_manager.iter_archive(lowerCamelCase__       )      ,					start=1       ):
								for num_jsonl, (subpath, subfile) in enumerate(dl_manager.iter_archive(lowerCamelCase__       )      ,					start=1       ):
												_test_jsonl(lowerCamelCase__      ,					lowerCamelCase__       )
				assert num_tar == 1
				assert num_jsonl == 2





def      lowerCamelCase_					(							lowerCamelCase__       ):
				lowerCamelCase_         =     DownloadManager()
				for num_file, file in enumerate(dl_manager.iter_files(lowerCamelCase__       )      ,					start=1       ):
								assert os.path.basename(lowerCamelCase__       ) == ("test.txt" if num_file == 1 else "train.txt")
				assert num_file == 2


