



'''simple docstring'''

import shutil
import tempfile
import unittest

from transformers import SPIECE_UNDERLINE, BatchEncoding, MBartTokenizer, MBartTokenizerFast, is_torch_available
from transformers.testing_utils import (
    get_tests_dir,
    nested_simplify,
    require_sentencepiece,
    require_tokenizers,
    require_torch,
)

from ...test_tokenization_common import TokenizerTesterMixin


__lowerCAmelCase						      =       get_tests_dir('''fixtures/test_sentencepiece.model''')


if is_torch_available():
							from transformers.models.mbart.modeling_mbart import shift_tokens_right

__lowerCAmelCase						      =       250_004
__lowerCAmelCase						      =       250_020

@require_sentencepiece
@require_tokenizers
class      __magic_name__						(   _UpperCamelCase      ,						unittest.TestCase       ):
							lowerCAmelCase	:   List[str]           = MBartTokenizer
							lowerCAmelCase	:   List[Any]           = MBartTokenizerFast
							lowerCAmelCase	:   Any           = True
							lowerCAmelCase	:   Optional[Any]           = True







							def 							__lowercase      (							self :	Dict		):
									super().setUp()

									# We have a SentencePiece fixture for testing
									_a					:				Optional[Any]				=							MBartTokenizer(_UpperCAmelCase     ,keep_accents=_UpperCAmelCase		)
									tokenizer.save_pretrained(self.tmpdirname		)







							def 							__lowercase      (							self :	List[Any]		):
									_a					:				Dict				=							MBartTokenizer(_UpperCAmelCase     ,keep_accents=_UpperCAmelCase		)

									_a					:				List[Any]				=							tokenizer.tokenize('This is a test'		)
									self.assertListEqual(_UpperCAmelCase     ,['▁This', '▁is', '▁a', '▁t', 'est']		)

									self.assertListEqual(
									    tokenizer.convert_tokens_to_ids(_UpperCAmelCase		)     ,[value + tokenizer.fairseq_offset for value in [285, 46, 10, 170, 382]]     ,)

									_a					:				Dict				=							tokenizer.tokenize('I was born in 92000, and this is falsé.'		)
									self.assertListEqual(
									    _UpperCAmelCase     ,[
									        SPIECE_UNDERLINE + 'I',
									        SPIECE_UNDERLINE + 'was',
									        SPIECE_UNDERLINE + 'b',
									        'or',
									        'n',
									        SPIECE_UNDERLINE + 'in',
									        SPIECE_UNDERLINE + '',
									        '9',
									        '2',
									        '0',
									        '0',
									        '0',
									        ',',
									        SPIECE_UNDERLINE + 'and',
									        SPIECE_UNDERLINE + 'this',
									        SPIECE_UNDERLINE + 'is',
									        SPIECE_UNDERLINE + 'f',
									        'al',
									        's',
									        'é',
									        '.',
									    ]     ,)
									_a					:				int				=							tokenizer.convert_tokens_to_ids(_UpperCAmelCase		)
									self.assertListEqual(
									    _UpperCAmelCase     ,[
									        value + tokenizer.fairseq_offset
									        for value in [8, 21, 84, 55, 24, 19, 7, 2, 602, 347, 347, 347, 3, 12, 66, 46, 72, 80, 6, 2, 4]
									        #                                       ^ unk: 2 + 1 = 3                  unk: 2 + 1 = 3 ^
									    ]     ,)

									_a					:				Optional[Any]				=							tokenizer.convert_ids_to_tokens(_UpperCAmelCase		)
									self.assertListEqual(
									    _UpperCAmelCase     ,[
									        SPIECE_UNDERLINE + 'I',
									        SPIECE_UNDERLINE + 'was',
									        SPIECE_UNDERLINE + 'b',
									        'or',
									        'n',
									        SPIECE_UNDERLINE + 'in',
									        SPIECE_UNDERLINE + '',
									        '<unk>',
									        '2',
									        '0',
									        '0',
									        '0',
									        ',',
									        SPIECE_UNDERLINE + 'and',
									        SPIECE_UNDERLINE + 'this',
									        SPIECE_UNDERLINE + 'is',
									        SPIECE_UNDERLINE + 'f',
									        'al',
									        's',
									        '<unk>',
									        '.',
									    ]     ,)







							def 							__lowercase      (							self :	Optional[int]		):
									if not self.test_slow_tokenizer:
											# as we don't have a slow version, we can't compare the outputs between slow and fast versions
											return

									_a					:				Tuple				=							(self.rust_tokenizer_class, 'hf-internal-testing/tiny-random-mbart', {})
									for tokenizer, pretrained_name, kwargs in self.tokenizers_list:
											with self.subTest(F"""{tokenizer.__class__.__name__} ({pretrained_name})"""		):
													_a					:				List[str]				=							self.rust_tokenizer_class.from_pretrained(_UpperCAmelCase     ,**_UpperCAmelCase		)
													_a					:				Any				=							self.tokenizer_class.from_pretrained(_UpperCAmelCase     ,**_UpperCAmelCase		)

													_a					:				List[str]				=							tempfile.mkdtemp()

													_a					:				Union[str, Any]				=							tokenizer_r.save_pretrained(_UpperCAmelCase		)
													_a					:				List[str]				=							tokenizer_p.save_pretrained(_UpperCAmelCase		)

													# Checks it save with the same files + the tokenizer.json file for the fast one
													self.assertTrue(any('tokenizer.json' in f for f in tokenizer_r_files		)		)
													_a					:				str				=							tuple(f for f in tokenizer_r_files if 'tokenizer.json' not in f		)
													self.assertSequenceEqual(_UpperCAmelCase     ,_UpperCAmelCase		)

													# Checks everything loads correctly in the same way
													_a					:				int				=							tokenizer_r.from_pretrained(_UpperCAmelCase		)
													_a					:				Any				=							tokenizer_p.from_pretrained(_UpperCAmelCase		)

													# Check special tokens are set accordingly on Rust and Python
													for key in tokenizer_pp.special_tokens_map:
															self.assertTrue(hasattr(_UpperCAmelCase     ,_UpperCAmelCase		)		)
															# self.assertEqual(getattr(tokenizer_rp, key), getattr(tokenizer_pp, key))
															# self.assertEqual(getattr(tokenizer_rp, key + "_id"), getattr(tokenizer_pp, key + "_id"))

													shutil.rmtree(_UpperCAmelCase		)

													# Save tokenizer rust, legacy_format=True
													_a					:				Optional[int]				=							tempfile.mkdtemp()

													_a					:				Dict				=							tokenizer_r.save_pretrained(_UpperCAmelCase     ,legacy_format=_UpperCAmelCase		)
													_a					:				str				=							tokenizer_p.save_pretrained(_UpperCAmelCase		)

													# Checks it save with the same files
													self.assertSequenceEqual(_UpperCAmelCase     ,_UpperCAmelCase		)

													# Checks everything loads correctly in the same way
													_a					:				List[Any]				=							tokenizer_r.from_pretrained(_UpperCAmelCase		)
													_a					:				Any				=							tokenizer_p.from_pretrained(_UpperCAmelCase		)

													# Check special tokens are set accordingly on Rust and Python
													for key in tokenizer_pp.special_tokens_map:
															self.assertTrue(hasattr(_UpperCAmelCase     ,_UpperCAmelCase		)		)

													shutil.rmtree(_UpperCAmelCase		)

													# Save tokenizer rust, legacy_format=False
													_a					:				str				=							tempfile.mkdtemp()

													_a					:				str				=							tokenizer_r.save_pretrained(_UpperCAmelCase     ,legacy_format=_UpperCAmelCase		)
													_a					:				int				=							tokenizer_p.save_pretrained(_UpperCAmelCase		)

													# Checks it saved the tokenizer.json file
													self.assertTrue(any('tokenizer.json' in f for f in tokenizer_r_files		)		)

													# Checks everything loads correctly in the same way
													_a					:				Optional[Any]				=							tokenizer_r.from_pretrained(_UpperCAmelCase		)
													_a					:				Any				=							tokenizer_p.from_pretrained(_UpperCAmelCase		)

													# Check special tokens are set accordingly on Rust and Python
													for key in tokenizer_pp.special_tokens_map:
															self.assertTrue(hasattr(_UpperCAmelCase     ,_UpperCAmelCase		)		)

													shutil.rmtree(_UpperCAmelCase		)

@require_torch
@require_sentencepiece
@require_tokenizers
class      __magic_name__						(   unittest.TestCase       ):
							lowerCAmelCase	:   str           = 'facebook/mbart-large-en-ro'
							lowerCAmelCase	:   int           = [
							    ' UN Chief Says There Is No Military Solution in Syria',
							    ' Secretary-General Ban Ki-moon says his response to Russia\'s stepped up military support for Syria is that "there is no military solution" to the nearly five-year conflict and more weapons will only worsen the violence and misery for millions of people.',
							]
							lowerCAmelCase	:   Tuple           = [
							    'Şeful ONU declară că nu există o soluţie militară în Siria',
							    'Secretarul General Ban Ki-moon declară că răspunsul său la intensificarea sprijinului militar al Rusiei'
							    ' pentru Siria este că "nu există o soluţie militară" la conflictul de aproape cinci ani şi că noi arme nu vor'
							    ' face decât să înrăutăţească violenţele şi mizeria pentru milioane de oameni.',
							]
							lowerCAmelCase	:   Union[str, Any]           = [8_2_7_4, 1_2_7_8_7_3, 2_5_9_1_6, 7, 8_6_2_2, 2_0_7_1, 4_3_8, 6_7_4_8_5, 5_3, 1_8_7_8_9_5, 2_3, 5_1_7_1_2, 2, EN_CODE]







							@classmethod
							def 							__lowercase      (							cls :	List[Any]		):
									_a					:				MBartTokenizer				=							MBartTokenizer.from_pretrained(
									    cls.checkpoint_name     ,src_lang='en_XX'     ,tgt_lang='ro_RO'		)
									_a					:				List[str]				=							1
									return cls







							def 							__lowercase      (							self :	str		):
									self.assertEqual(self.tokenizer.fairseq_tokens_to_ids['ar_AR']     ,250001		)
									self.assertEqual(self.tokenizer.fairseq_tokens_to_ids['en_EN']     ,250004		)
									self.assertEqual(self.tokenizer.fairseq_tokens_to_ids['ro_RO']     ,250020		)







							def 							__lowercase      (							self :	Any		):
									_a					:				Optional[Any]				=							self.tokenizer.batch_encode_plus(self.src_text		).input_ids[0]
									self.assertListEqual(self.expected_src_tokens     ,_UpperCAmelCase		)







							def 							__lowercase      (							self :	Dict		):
									self.assertIn(_UpperCAmelCase     ,self.tokenizer.all_special_ids		)
									_a					:				Optional[Any]				=							[RO_CODE, 884, 9019, 96, 9, 916, 86792, 36, 18743, 15596, 5, 2]
									_a					:				Tuple				=							self.tokenizer.decode(_UpperCAmelCase     ,skip_special_tokens=_UpperCAmelCase		)
									_a					:				List[str]				=							self.tokenizer.decode(generated_ids[1:]     ,skip_special_tokens=_UpperCAmelCase		)
									self.assertEqual(_UpperCAmelCase     ,_UpperCAmelCase		)
									self.assertNotIn(self.tokenizer.eos_token     ,_UpperCAmelCase		)







							def 							__lowercase      (							self :	Optional[int]		):
									_a					:				str				=							['this is gunna be a long sentence ' * 20]
									assert isinstance(src_text[0]     ,_UpperCAmelCase		)
									_a					:				Union[str, Any]				=							10
									_a					:				Union[str, Any]				=							self.tokenizer(_UpperCAmelCase     ,max_length=_UpperCAmelCase     ,truncation=_UpperCAmelCase		).input_ids[0]
									self.assertEqual(ids[-2]     ,2		)
									self.assertEqual(ids[-1]     ,_UpperCAmelCase		)
									self.assertEqual(len(_UpperCAmelCase		)     ,_UpperCAmelCase		)







							def 							__lowercase      (							self :	List[str]		):
									self.assertListEqual(self.tokenizer.convert_tokens_to_ids(['<mask>', 'ar_AR']		)     ,[250026, 250001]		)







							def 							__lowercase      (							self :	Dict		):
									_a					:				Optional[Any]				=							tempfile.mkdtemp()
									_a					:				Optional[Any]				=							self.tokenizer.fairseq_tokens_to_ids
									self.tokenizer.save_pretrained(_UpperCAmelCase		)
									_a					:				Union[str, Any]				=							MBartTokenizer.from_pretrained(_UpperCAmelCase		)
									self.assertDictEqual(new_tok.fairseq_tokens_to_ids     ,_UpperCAmelCase		)







							@require_torch
							def 							__lowercase      (							self :	List[str]		):
									_a					:				Optional[int]				=							self.tokenizer(self.src_text     ,text_target=self.tgt_text     ,padding=_UpperCAmelCase     ,return_tensors='pt'		)
									_a					:				Any				=							shift_tokens_right(batch['labels']     ,self.tokenizer.pad_token_id		)

									# fairseq batch: https://gist.github.com/sshleifer/cba08bc2109361a74ac3760a7e30e4f4
									assert batch.input_ids[1][-2:].tolist() == [2, EN_CODE]
									assert batch.decoder_input_ids[1][0].tolist() == RO_CODE
									assert batch.decoder_input_ids[1][-1] == 2
									assert batch.labels[1][-2:].tolist() == [2, RO_CODE]







							@require_torch
							def 							__lowercase      (							self :	Dict		):
									_a					:				List[str]				=							self.tokenizer(
									    self.src_text     ,text_target=self.tgt_text     ,padding=_UpperCAmelCase     ,truncation=_UpperCAmelCase     ,max_length=len(self.expected_src_tokens		)     ,return_tensors='pt'     ,)

									_a					:				Dict				=							shift_tokens_right(batch['labels']     ,self.tokenizer.pad_token_id		)

									self.assertIsInstance(_UpperCAmelCase     ,_UpperCAmelCase		)

									self.assertEqual((2, 14)     ,batch.input_ids.shape		)
									self.assertEqual((2, 14)     ,batch.attention_mask.shape		)
									_a					:				Union[str, Any]				=							batch.input_ids.tolist()[0]
									self.assertListEqual(self.expected_src_tokens     ,_UpperCAmelCase		)
									self.assertEqual(2     ,batch.decoder_input_ids[0, -1]		)  # EOS
									# Test that special tokens are reset
									self.assertEqual(self.tokenizer.prefix_tokens     ,[]		)
									self.assertEqual(self.tokenizer.suffix_tokens     ,[self.tokenizer.eos_token_id, EN_CODE]		)







							def 							__lowercase      (							self :	List[Any]		):
									_a					:				Tuple				=							self.tokenizer(self.src_text     ,padding=_UpperCAmelCase     ,truncation=_UpperCAmelCase     ,max_length=3     ,return_tensors='pt'		)
									_a					:				str				=							self.tokenizer(
									    text_target=self.tgt_text     ,padding=_UpperCAmelCase     ,truncation=_UpperCAmelCase     ,max_length=10     ,return_tensors='pt'		)
									_a					:				Any				=							targets['input_ids']
									_a					:				List[Any]				=							shift_tokens_right(_UpperCAmelCase     ,self.tokenizer.pad_token_id		)

									self.assertEqual(batch.input_ids.shape[1]     ,3		)
									self.assertEqual(batch.decoder_input_ids.shape[1]     ,10		)







							@require_torch
							def 							__lowercase      (							self :	Optional[int]		):
									_a					:				str				=							self.tokenizer._build_translation_inputs(
									    'A test'     ,return_tensors='pt'     ,src_lang='en_XX'     ,tgt_lang='ar_AR'		)

									self.assertEqual(
									    nested_simplify(_UpperCAmelCase		)     ,{
									        # A, test, EOS, en_XX
									        'input_ids': [[62, 3034, 2, 250004]],
									        'attention_mask': [[1, 1, 1, 1]],
									        # ar_AR
									        'forced_bos_token_id': 250001,
									    }     ,)









'''simple docstring'''

from __future__ import annotations

from collections.abc import Iterator
from typing import Any

class      __magic_name__						:







							def __init__(							self :	Dict     ,_UpperCAmelCase :	Any		):
									_a					:				Any				=							data
									_a					:				Node | None				=							None

class      __magic_name__						:







							def __init__(							self :	Any		):
									_a					:				int				=							None
									_a					:				Optional[int]				=							None







							def __iter__(							self :	Optional[int]		):
									_a					:				List[Any]				=							self.head
									while self.head:
											yield node.data
											_a					:				str				=							node.next
											if node == self.head:
													break







							def __len__(							self :	Any		):
									return sum(1 for _ in self		)







							def __repr__(							self :	int		):
									return "->".join(str(_UpperCAmelCase		) for item in iter(self		)		)







							def 							__lowercase      (							self :	Optional[Any]     ,_UpperCAmelCase :	Any		):
									self.insert_nth(len(self		)     ,_UpperCAmelCase		)







							def 							__lowercase      (							self :	str     ,_UpperCAmelCase :	Any		):
									self.insert_nth(0     ,_UpperCAmelCase		)







							def 							__lowercase      (							self :	List[str]     ,_UpperCAmelCase :	int     ,_UpperCAmelCase :	Any		):
									if index < 0 or index > len(self		):
											raise IndexError('list index out of range.'		)
									_a					:				List[str]				=							Node(_UpperCAmelCase		)
									if self.head is None:
											_a					:				Tuple				=							new_node  # first node points itself
											_a					:				int				=							new_node
									elif index == 0:  # insert at head
											_a					:				Any				=							self.head
											_a					:				Tuple				=							new_node
									else:
											_a					:				Any				=							self.head
											for _ in range(index - 1		):
													_a					:				int				=							temp.next
											_a					:				Optional[int]				=							temp.next
											_a					:				int				=							new_node
											if index == len(self		) - 1:  # insert at tail
													_a					:				Optional[int]				=							new_node







							def 							__lowercase      (							self :	List[Any]		):
									return self.delete_nth(0		)







							def 							__lowercase      (							self :	Dict		):
									return self.delete_nth(len(self		) - 1		)







							def 							__lowercase      (							self :	Union[str, Any]     ,_UpperCAmelCase :	int = 0		):
									if not 0 <= index < len(self		):
											raise IndexError('list index out of range.'		)
									_a					:				Optional[int]				=							self.head
									if self.head == self.tail:  # just one node
											_a					:				Optional[int]				=							None
									elif index == 0:  # delete head node
											_a					:				Dict				=							self.tail.next.next
											_a					:				Dict				=							self.head.next
									else:
											_a					:				List[Any]				=							self.head
											for _ in range(index - 1		):
													_a					:				Union[str, Any]				=							temp.next
											_a					:				Optional[int]				=							temp.next
											_a					:				List[str]				=							temp.next.next
											if index == len(self		) - 1:  # delete at tail
													_a					:				int				=							temp
									return delete_node.data







							def 							__lowercase      (							self :	int		):
									return len(self		) == 0



def 					__lowerCamelCase					(				)      ->				None:
		_a					:				int				=							CircularLinkedList()
		assert len(lowerCAmelCase_  ) == 0
		assert circular_linked_list.is_empty() is True
		assert str(lowerCAmelCase_  ) == ""

		try:
				circular_linked_list.delete_front()
				raise AssertionError  # This should not happen
		except IndexError:
				assert True  # This should happen

		try:
				circular_linked_list.delete_tail()
				raise AssertionError  # This should not happen
		except IndexError:
				assert True  # This should happen

		try:
				circular_linked_list.delete_nth(-1  )
				raise AssertionError
		except IndexError:
				assert True

		try:
				circular_linked_list.delete_nth(0  )
				raise AssertionError
		except IndexError:
				assert True

		assert circular_linked_list.is_empty() is True
		for i in range(5  ):
				assert len(lowerCAmelCase_  ) == i
				circular_linked_list.insert_nth(lowerCAmelCase_						,      i + 1  )
		assert str(lowerCAmelCase_  ) == "->".join(str(lowerCAmelCase_  ) for i in range(1						,      6  )  )

		circular_linked_list.insert_tail(6  )
		assert str(lowerCAmelCase_  ) == "->".join(str(lowerCAmelCase_  ) for i in range(1						,      7  )  )
		circular_linked_list.insert_head(0  )
		assert str(lowerCAmelCase_  ) == "->".join(str(lowerCAmelCase_  ) for i in range(0						,      7  )  )

		assert circular_linked_list.delete_front() == 0
		assert circular_linked_list.delete_tail() == 6
		assert str(lowerCAmelCase_  ) == "->".join(str(lowerCAmelCase_  ) for i in range(1						,      6  )  )
		assert circular_linked_list.delete_nth(2  ) == 3

		circular_linked_list.insert_nth(2						,      3  )
		assert str(lowerCAmelCase_  ) == "->".join(str(lowerCAmelCase_  ) for i in range(1						,      6  )  )

		assert circular_linked_list.is_empty() is False


if __name__ == "__main__":
							import doctest

							doctest.testmod()




