



"""simple docstring"""







import math
from dataclasses import dataclass
from typing import Optional, Tuple, Union

import numpy as np
import torch

from ..configuration_utils import ConfigMixin, register_to_config
from ..utils import BaseOutput, randn_tensor
from .scheduling_utils import SchedulerMixin






@dataclass
# Copied from diffusers.schedulers.scheduling_ddpm.DDPMSchedulerOutput with DDPM->UnCLIP
class      UpperCAmelCase__		(      UpperCamelCase     ):
		lowerCAmelCase_       :	torch.FloatTensor
		lowerCAmelCase_       :	Optional[torch.FloatTensor] 							=     None



def   lowerCAmelCase__			(     lowerCamelCase__				,      lowerCamelCase__=0.9_99				,      lowerCamelCase__="cosine"				,      ) ->							Optional[Any]:
							if alpha_transform_type == "cosine":

														def alpha_bar_fn(lowerCamelCase__			):
																					return math.cos((t + 0.0_08) / 1.0_08 * math.pi / 2			) ** 2

							elif alpha_transform_type == "exp":

														def alpha_bar_fn(lowerCamelCase__			):
																					return math.exp(t * -12.0			)

							else:
														raise ValueError(f"""Unsupported alpha_tranform_type: {alpha_transform_type}"""			)

							A         =					[]
							for i in range(lowerCamelCase__			):
														A         =					i / num_diffusion_timesteps
														A         =					(i + 1) / num_diffusion_timesteps
														betas.append(min(1 - alpha_bar_fn(lowerCamelCase__			) / alpha_bar_fn(lowerCamelCase__			)				,      lowerCamelCase__			)			)
							return torch.tensor(lowerCamelCase__				,      dtype=torch.floataa			)






class      UpperCAmelCase__		(      UpperCamelCase   ,UpperCamelCase     ):



		@register_to_config
		def __init__( self  :    List[str]      ,							snake_case  :    int = 1_000      ,							snake_case  :    str = "fixed_small_log"      ,							snake_case  :    bool = True      ,							snake_case  :    Optional[float] = 1.0      ,							snake_case  :    str = "epsilon"      ,							snake_case  :    str = "squaredcos_cap_v2"      ,							)			->						List[Any]:






									'''simple docstring'''

									if beta_schedule != "squaredcos_cap_v2":
																raise ValueError('UnCLIPScheduler only supports `beta_schedule`: \'squaredcos_cap_v2\''				)

									A         =					betas_for_alpha_bar(snake_case				)

									A         =					1.0 - self.betas
									A         =					torch.cumprod(self.alphas      ,							dim=0				)
									A         =					torch.tensor(1.0				)

									# standard deviation of the initial noise distribution
									A         =					1.0

									# setable values
									A         =					None
									A         =					torch.from_numpy(np.arange(0      ,							snake_case				)[::-1].copy()				)

									A         =					variance_type



		def 					A_		( self  :    Tuple      ,							snake_case  :    torch.FloatTensor      ,							snake_case  :    Optional[int] = None				)			->						torch.FloatTensor:






									'''simple docstring'''

									return sample



		def 					A_		( self  :    Optional[int]      ,							snake_case  :    int      ,							snake_case  :    Union[str, torch.device] = None				)			->						int:






									'''simple docstring'''

									A         =					num_inference_steps
									A         =					(self.config.num_train_timesteps - 1) / (self.num_inference_steps - 1)
									A         =					(np.arange(0      ,							snake_case				) * step_ratio).round()[::-1].copy().astype(np.intaa				)
									A         =					torch.from_numpy(snake_case				).to(snake_case				)



		def 					A_		( self  :    List[Any]      ,							snake_case  :    Optional[Any]      ,							snake_case  :    Union[str, Any]=None      ,							snake_case  :    Optional[Any]=None      ,							snake_case  :    Any=None				)			->						Union[str, Any]:






									'''simple docstring'''

									if prev_timestep is None:
																A         =					t - 1

									A         =					self.alphas_cumprod[t]
									A         =					self.alphas_cumprod[prev_timestep] if prev_timestep >= 0 else self.one
									A         =					1 - alpha_prod_t
									A         =					1 - alpha_prod_t_prev

									if prev_timestep == t - 1:
																A         =					self.betas[t]
									else:
																A         =					1 - alpha_prod_t / alpha_prod_t_prev

									# For t > 0, compute predicted variance βt (see formula (6) and (7) from https://arxiv.org/pdf/2006.11239.pdf)
									# and sample from it to get previous sample
									# x_{t-1} ~ N(pred_prev_sample, variance) == add variance to pred_sample
									A         =					beta_prod_t_prev / beta_prod_t * beta

									if variance_type is None:
																A         =					self.config.variance_type

									# hacks - were probably added for training stability
									if variance_type == "fixed_small_log":
																A         =					torch.log(torch.clamp(snake_case      ,							min=1E-2_0				)				)
																A         =					torch.exp(0.5 * variance				)
									elif variance_type == "learned_range":
																# NOTE difference with DDPM scheduler
																A         =					variance.log()
																A         =					beta.log()

																A         =					(predicted_variance + 1) / 2
																A         =					frac * max_log + (1 - frac) * min_log

									return variance



		def 					A_		( self  :    List[Any]      ,							snake_case  :    torch.FloatTensor      ,							snake_case  :    int      ,							snake_case  :    torch.FloatTensor      ,							snake_case  :    Optional[int] = None      ,							snake_case  :    Optional[Any]=None      ,							snake_case  :    bool = True      ,							)			->						Union[UnCLIPSchedulerOutput, Tuple]:






									'''simple docstring'''

									A         =					timestep

									if model_output.shape[1] == sample.shape[1] * 2 and self.variance_type == "learned_range":
																A      ,  A         =					torch.split(snake_case      ,							sample.shape[1]      ,							dim=1				)
									else:
																A         =					None

									# 1. compute alphas, betas
									if prev_timestep is None:
																A         =					t - 1

									A         =					self.alphas_cumprod[t]
									A         =					self.alphas_cumprod[prev_timestep] if prev_timestep >= 0 else self.one
									A         =					1 - alpha_prod_t
									A         =					1 - alpha_prod_t_prev

									if prev_timestep == t - 1:
																A         =					self.betas[t]
																A         =					self.alphas[t]
									else:
																A         =					1 - alpha_prod_t / alpha_prod_t_prev
																A         =					1 - beta

									# 2. compute predicted original sample from predicted noise also called
									# "predicted x_0" of formula (15) from https://arxiv.org/pdf/2006.11239.pdf
									if self.config.prediction_type == "epsilon":
																A         =					(sample - beta_prod_t ** 0.5 * model_output) / alpha_prod_t ** 0.5
									elif self.config.prediction_type == "sample":
																A         =					model_output
									else:
																raise ValueError(
																    f"""prediction_type given as {self.config.prediction_type} must be one of `epsilon` or `sample`"""
																    ' for the UnCLIPScheduler.'				)

									# 3. Clip "predicted x_0"
									if self.config.clip_sample:
																A         =					torch.clamp(
																    snake_case      ,							-self.config.clip_sample_range      ,							self.config.clip_sample_range				)

									# 4. Compute coefficients for pred_original_sample x_0 and current sample x_t
									# See formula (7) from https://arxiv.org/pdf/2006.11239.pdf
									A         =					(alpha_prod_t_prev ** 0.5 * beta) / beta_prod_t
									A         =					alpha ** 0.5 * beta_prod_t_prev / beta_prod_t

									# 5. Compute predicted previous sample µ_t
									# See formula (7) from https://arxiv.org/pdf/2006.11239.pdf
									A         =					pred_original_sample_coeff * pred_original_sample + current_sample_coeff * sample

									# 6. Add noise
									A         =					0
									if t > 0:
																A         =					randn_tensor(
																    model_output.shape      ,							dtype=model_output.dtype      ,							generator=snake_case      ,							device=model_output.device				)

																A         =					self._get_variance(
																    snake_case      ,							predicted_variance=snake_case      ,							prev_timestep=snake_case      ,							)

																if self.variance_type == "fixed_small_log":
																							A         =					variance
																elif self.variance_type == "learned_range":
																							A         =					(0.5 * variance).exp()
																else:
																							raise ValueError(
																							    f"""variance_type given as {self.variance_type} must be one of `fixed_small_log` or `learned_range`"""
																							    ' for the UnCLIPScheduler.'				)

																A         =					variance * variance_noise

									A         =					pred_prev_sample + variance

									if not return_dict:
																return (pred_prev_sample,)

									return UnCLIPSchedulerOutput(prev_sample=snake_case      ,							pred_original_sample=snake_case				)



		def 					A_		( self  :    Any      ,							snake_case  :    torch.FloatTensor      ,							snake_case  :    torch.FloatTensor      ,							snake_case  :    torch.IntTensor      ,							)			->						torch.FloatTensor:






									'''simple docstring'''

									A         =					self.alphas_cumprod.to(device=original_samples.device      ,							dtype=original_samples.dtype				)
									A         =					timesteps.to(original_samples.device				)

									A         =					alphas_cumprod[timesteps] ** 0.5
									A         =					sqrt_alpha_prod.flatten()
									while len(sqrt_alpha_prod.shape				) < len(original_samples.shape				):
																A         =					sqrt_alpha_prod.unsqueeze(-1				)

									A         =					(1 - alphas_cumprod[timesteps]) ** 0.5
									A         =					sqrt_one_minus_alpha_prod.flatten()
									while len(sqrt_one_minus_alpha_prod.shape				) < len(original_samples.shape				):
																A         =					sqrt_one_minus_alpha_prod.unsqueeze(-1				)

									A         =					sqrt_alpha_prod * original_samples + sqrt_one_minus_alpha_prod * noise
									return noisy_samples








"""simple docstring"""







import gc
import unittest

from transformers import MODEL_FOR_MASKED_LM_MAPPING, TF_MODEL_FOR_MASKED_LM_MAPPING, FillMaskPipeline, pipeline
from transformers.pipelines import PipelineException
from transformers.testing_utils import (
    is_pipeline_test,
    is_torch_available,
    nested_simplify,
    require_tf,
    require_torch,
    require_torch_gpu,
    slow,
)

from .test_pipelines_common import ANY






@is_pipeline_test
class      UpperCAmelCase__		(      unittest.TestCase     ):
		lowerCAmelCase_       :	int 							=     MODEL_FOR_MASKED_LM_MAPPING
		lowerCAmelCase_       :	Tuple 							=     TF_MODEL_FOR_MASKED_LM_MAPPING



		def 					A_		( self  :    Tuple				)			->						int:






									'''simple docstring'''

									super().tearDown()
									# clean-up as much as possible GPU memory occupied by PyTorch
									gc.collect()
									if is_torch_available():
																import torch

																torch.cuda.empty_cache()



		@require_tf
		def 					A_		( self  :    int				)			->						Optional[int]:






									'''simple docstring'''

									A         =					pipeline(task='fill-mask'      ,							model='sshleifer/tiny-distilroberta-base'      ,							top_k=2      ,							framework='tf'				)
									A         =					unmasker('My name is <mask>'				)
									self.assertEqual(
									    nested_simplify(snake_case      ,							decimals=6				)      ,							[
									        {'sequence': 'My name is grouped', 'score': 2.1E-0_5, 'token': 38_015, 'token_str': ' grouped'},
									        {'sequence': 'My name is accuser', 'score': 2.1E-0_5, 'token': 25_506, 'token_str': ' accuser'},
									    ]      ,							)

									A         =					unmasker('The largest city in France is <mask>'				)
									self.assertEqual(
									    nested_simplify(snake_case      ,							decimals=6				)      ,							[
									        {
									            'sequence': 'The largest city in France is grouped',
									            'score': 2.1E-0_5,
									            'token': 38_015,
									            'token_str': ' grouped',
									        },
									        {
									            'sequence': 'The largest city in France is accuser',
									            'score': 2.1E-0_5,
									            'token': 25_506,
									            'token_str': ' accuser',
									        },
									    ]      ,							)

									A         =					unmasker('My name is <mask>'      ,							targets=[' Patrick', ' Clara', ' Teven']      ,							top_k=3				)
									self.assertEqual(
									    nested_simplify(snake_case      ,							decimals=6				)      ,							[
									        {'sequence': 'My name is Clara', 'score': 2E-0_5, 'token': 13_606, 'token_str': ' Clara'},
									        {'sequence': 'My name is Patrick', 'score': 2E-0_5, 'token': 3_499, 'token_str': ' Patrick'},
									        {'sequence': 'My name is Te', 'score': 1.9E-0_5, 'token': 2_941, 'token_str': ' Te'},
									    ]      ,							)



		@require_torch
		def 					A_		( self  :    str				)			->						int:






									'''simple docstring'''

									A         =					pipeline(task='fill-mask'      ,							model='sshleifer/tiny-distilroberta-base'      ,							top_k=2      ,							framework='pt'				)

									A         =					unmasker('My name is <mask>'				)
									self.assertEqual(
									    nested_simplify(snake_case      ,							decimals=6				)      ,							[
									        {'sequence': 'My name is Maul', 'score': 2.2E-0_5, 'token': 35_676, 'token_str': ' Maul'},
									        {'sequence': 'My name isELS', 'score': 2.2E-0_5, 'token': 16_416, 'token_str': 'ELS'},
									    ]      ,							)

									A         =					unmasker('The largest city in France is <mask>'				)
									self.assertEqual(
									    nested_simplify(snake_case      ,							decimals=6				)      ,							[
									        {
									            'sequence': 'The largest city in France is Maul',
									            'score': 2.2E-0_5,
									            'token': 35_676,
									            'token_str': ' Maul',
									        },
									        {'sequence': 'The largest city in France isELS', 'score': 2.2E-0_5, 'token': 16_416, 'token_str': 'ELS'},
									    ]      ,							)

									A         =					unmasker('My name is <mask>'      ,							targets=[' Patrick', ' Clara', ' Teven']      ,							top_k=3				)
									self.assertEqual(
									    nested_simplify(snake_case      ,							decimals=6				)      ,							[
									        {'sequence': 'My name is Patrick', 'score': 2.1E-0_5, 'token': 3_499, 'token_str': ' Patrick'},
									        {'sequence': 'My name is Te', 'score': 2E-0_5, 'token': 2_941, 'token_str': ' Te'},
									        {'sequence': 'My name is Clara', 'score': 2E-0_5, 'token': 13_606, 'token_str': ' Clara'},
									    ]      ,							)

									A         =					unmasker('My name is <mask> <mask>'      ,							top_k=2				)

									self.assertEqual(
									    nested_simplify(snake_case      ,							decimals=6				)      ,							[
									        [
									            {
									                'score': 2.2E-0_5,
									                'token': 35_676,
									                'token_str': ' Maul',
									                'sequence': '<s>My name is Maul<mask></s>',
									            },
									            {'score': 2.2E-0_5, 'token': 16_416, 'token_str': 'ELS', 'sequence': '<s>My name isELS<mask></s>'},
									        ],
									        [
									            {
									                'score': 2.2E-0_5,
									                'token': 35_676,
									                'token_str': ' Maul',
									                'sequence': '<s>My name is<mask> Maul</s>',
									            },
									            {'score': 2.2E-0_5, 'token': 16_416, 'token_str': 'ELS', 'sequence': '<s>My name is<mask>ELS</s>'},
									        ],
									    ]      ,							)



		@require_torch_gpu
		def 					A_		( self  :    Tuple				)			->						List[str]:






									'''simple docstring'''

									A         =					pipeline('fill-mask'      ,							model='hf-internal-testing/tiny-random-distilbert'      ,							device=0      ,							framework='pt'				)

									# convert model to fp16
									pipe.model.half()

									A         =					pipe('Paris is the [MASK] of France.'				)
									# We actually don't care about the result, we just want to make sure
									# it works, meaning the float16 tensor got casted back to float32
									# for postprocessing.
									self.assertIsInstance(snake_case      ,							snake_case				)



		@slow
		@require_torch
		def 					A_		( self  :    List[Any]				)			->						int:






									'''simple docstring'''

									A         =					pipeline(task='fill-mask'      ,							model='distilroberta-base'      ,							top_k=2      ,							framework='pt'				)
									self.run_large_test(snake_case				)



		@slow
		@require_tf
		def 					A_		( self  :    Tuple				)			->						Optional[int]:






									'''simple docstring'''

									A         =					pipeline(task='fill-mask'      ,							model='distilroberta-base'      ,							top_k=2      ,							framework='tf'				)
									self.run_large_test(snake_case				)



		def 					A_		( self  :    Dict      ,							snake_case  :    List[Any]				)			->						Optional[int]:






									'''simple docstring'''

									A         =					unmasker('My name is <mask>'				)
									self.assertEqual(
									    nested_simplify(snake_case				)      ,							[
									        {'sequence': 'My name is John', 'score': 0.008, 'token': 610, 'token_str': ' John'},
									        {'sequence': 'My name is Chris', 'score': 0.007, 'token': 1_573, 'token_str': ' Chris'},
									    ]      ,							)
									A         =					unmasker('The largest city in France is <mask>'				)
									self.assertEqual(
									    nested_simplify(snake_case				)      ,							[
									        {
									            'sequence': 'The largest city in France is Paris',
									            'score': 0.251,
									            'token': 2_201,
									            'token_str': ' Paris',
									        },
									        {
									            'sequence': 'The largest city in France is Lyon',
									            'score': 0.214,
									            'token': 12_790,
									            'token_str': ' Lyon',
									        },
									    ]      ,							)

									A         =					unmasker('My name is <mask>'      ,							targets=[' Patrick', ' Clara', ' Teven']      ,							top_k=3				)
									self.assertEqual(
									    nested_simplify(snake_case				)      ,							[
									        {'sequence': 'My name is Patrick', 'score': 0.005, 'token': 3_499, 'token_str': ' Patrick'},
									        {'sequence': 'My name is Clara', 'score': 0.000, 'token': 13_606, 'token_str': ' Clara'},
									        {'sequence': 'My name is Te', 'score': 0.000, 'token': 2_941, 'token_str': ' Te'},
									    ]      ,							)



		@require_torch
		def 					A_		( self  :    List[str]				)			->						Any:






									'''simple docstring'''

									A         =					pipeline(task='fill-mask'      ,							model='sshleifer/tiny-distilroberta-base'      ,							framework='pt'				)
									A         =					None
									A         =					None
									self.run_pipeline_test(snake_case      ,							[]				)



		@require_tf
		def 					A_		( self  :    Tuple				)			->						Dict:






									'''simple docstring'''

									A         =					pipeline(task='fill-mask'      ,							model='sshleifer/tiny-distilroberta-base'      ,							framework='tf'				)
									A         =					None
									A         =					None
									self.run_pipeline_test(snake_case      ,							[]				)



		def 					A_		( self  :    str      ,							snake_case  :    Union[str, Any]      ,							snake_case  :    Optional[int]      ,							snake_case  :    Optional[Any]				)			->						Union[str, Any]:






									'''simple docstring'''

									if tokenizer is None or tokenizer.mask_token_id is None:
																self.skipTest('The provided tokenizer has no mask token, (probably reformer or wav2vec2)'				)

									A         =					FillMaskPipeline(model=snake_case      ,							tokenizer=snake_case				)
									A         =					[
									    f"""This is another {tokenizer.mask_token} test""",
									]
									return fill_masker, examples



		def 					A_		( self  :    Any      ,							snake_case  :    Any      ,							snake_case  :    Optional[Any]				)			->						Optional[int]:






									'''simple docstring'''

									A         =					fill_masker.tokenizer
									A         =					fill_masker.model

									A         =					fill_masker(
									    f"""This is a {tokenizer.mask_token}"""      ,							)
									self.assertEqual(
									    snake_case      ,							[
									        {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									        {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									        {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									        {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									        {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									    ]      ,							)

									A         =					fill_masker([f"""This is a {tokenizer.mask_token}"""]				)
									self.assertEqual(
									    snake_case      ,							[
									        {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									        {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									        {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									        {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									        {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									    ]      ,							)

									A         =					fill_masker([f"""This is a {tokenizer.mask_token}""", f"""Another {tokenizer.mask_token} great test."""]				)
									self.assertEqual(
									    snake_case      ,							[
									        [
									            {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									            {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									            {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									            {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									            {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									        ],
									        [
									            {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									            {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									            {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									            {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									            {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									        ],
									    ]      ,							)

									with self.assertRaises(snake_case				):
																fill_masker([None]				)
									# No mask_token is not supported
									with self.assertRaises(snake_case				):
																fill_masker('This is'				)

									self.run_test_top_k(snake_case      ,							snake_case				)
									self.run_test_targets(snake_case      ,							snake_case				)
									self.run_test_top_k_targets(snake_case      ,							snake_case				)
									self.fill_mask_with_duplicate_targets_and_top_k(snake_case      ,							snake_case				)
									self.fill_mask_with_multiple_masks(snake_case      ,							snake_case				)



		def 					A_		( self  :    str      ,							snake_case  :    Any      ,							snake_case  :    Optional[int]				)			->						str:






									'''simple docstring'''

									A         =					tokenizer.get_vocab()
									A         =					sorted(vocab.keys()				)[:2]
									# Pipeline argument
									A         =					FillMaskPipeline(model=snake_case      ,							tokenizer=snake_case      ,							targets=snake_case				)
									A         =					fill_masker(f"""This is a {tokenizer.mask_token}"""				)
									self.assertEqual(
									    snake_case      ,							[
									        {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									        {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									    ]      ,							)
									A         =					{vocab[el] for el in targets}
									self.assertEqual({el['token'] for el in outputs}      ,							snake_case				)
									A         =					[tokenizer.decode([x]				) for x in target_ids]
									self.assertEqual({el['token_str'] for el in outputs}      ,							set(snake_case				)				)

									# Call argument
									A         =					FillMaskPipeline(model=snake_case      ,							tokenizer=snake_case				)
									A         =					fill_masker(f"""This is a {tokenizer.mask_token}"""      ,							targets=snake_case				)
									self.assertEqual(
									    snake_case      ,							[
									        {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									        {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									    ]      ,							)
									A         =					{vocab[el] for el in targets}
									self.assertEqual({el['token'] for el in outputs}      ,							snake_case				)
									A         =					[tokenizer.decode([x]				) for x in target_ids]
									self.assertEqual({el['token_str'] for el in outputs}      ,							set(snake_case				)				)

									# Score equivalence
									A         =					fill_masker(f"""This is a {tokenizer.mask_token}"""      ,							targets=snake_case				)
									A         =					[top_mask['token_str'] for top_mask in outputs]
									A         =					[top_mask['score'] for top_mask in outputs]

									# For some BPE tokenizers, `</w>` is removed during decoding, so `token_str` won't be the same as in `targets`.
									if set(snake_case				) == set(snake_case				):
																A         =					fill_masker(f"""This is a {tokenizer.mask_token}"""      ,							targets=snake_case				)
																A         =					[top_mask['score'] for top_mask in unmasked_targets]
																self.assertEqual(nested_simplify(snake_case				)      ,							nested_simplify(snake_case				)				)

									# Raises with invalid
									with self.assertRaises(snake_case				):
																A         =					fill_masker(f"""This is a {tokenizer.mask_token}"""      ,							targets=[]				)
									# For some tokenizers, `""` is actually in the vocabulary and the expected error won't raised
									if "" not in tokenizer.get_vocab():
																with self.assertRaises(snake_case				):
																							A         =					fill_masker(f"""This is a {tokenizer.mask_token}"""      ,							targets=['']				)
																with self.assertRaises(snake_case				):
																							A         =					fill_masker(f"""This is a {tokenizer.mask_token}"""      ,							targets=''				)



		def 					A_		( self  :    Any      ,							snake_case  :    Optional[Any]      ,							snake_case  :    int				)			->						List[Any]:






									'''simple docstring'''

									A         =					FillMaskPipeline(model=snake_case      ,							tokenizer=snake_case      ,							top_k=2				)
									A         =					fill_masker(f"""This is a {tokenizer.mask_token}"""				)
									self.assertEqual(
									    snake_case      ,							[
									        {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									        {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									    ]      ,							)

									A         =					FillMaskPipeline(model=snake_case      ,							tokenizer=snake_case				)
									A         =					fill_masker(f"""This is a {tokenizer.mask_token}"""      ,							top_k=2				)
									self.assertEqual(
									    snake_case      ,							[
									        {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									        {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									    ]      ,							)
									self.assertEqual(nested_simplify(snake_case				)      ,							nested_simplify(snake_case				)				)



		def 					A_		( self  :    str      ,							snake_case  :    List[str]      ,							snake_case  :    Dict				)			->						Tuple:






									'''simple docstring'''

									A         =					tokenizer.get_vocab()
									A         =					FillMaskPipeline(model=snake_case      ,							tokenizer=snake_case				)

									# top_k=2, ntargets=3
									A         =					sorted(vocab.keys()				)[:3]
									A         =					fill_masker(f"""This is a {tokenizer.mask_token}"""      ,							top_k=2      ,							targets=snake_case				)

									# If we use the most probably targets, and filter differently, we should still
									# have the same results
									A         =					[el['token_str'] for el in sorted(snake_case      ,							key=lambda snake_case				: x["score"]      ,							reverse=snake_case				)]
									# For some BPE tokenizers, `</w>` is removed during decoding, so `token_str` won't be the same as in `targets`.
									if set(snake_case				).issubset(snake_case				):
																A         =					fill_masker(f"""This is a {tokenizer.mask_token}"""      ,							top_k=3      ,							targets=snake_case				)
																# They should yield exactly the same result
																self.assertEqual(nested_simplify(snake_case				)      ,							nested_simplify(snake_case				)				)



		def 					A_		( self  :    Union[str, Any]      ,							snake_case  :    Union[str, Any]      ,							snake_case  :    Dict				)			->						int:






									'''simple docstring'''

									A         =					FillMaskPipeline(model=snake_case      ,							tokenizer=snake_case				)
									A         =					tokenizer.get_vocab()
									# String duplicates + id duplicates
									A         =					sorted(vocab.keys()				)[:3]
									A         =					[targets[0], targets[1], targets[0], targets[2], targets[1]]
									A         =					fill_masker(f"""My name is {tokenizer.mask_token}"""      ,							targets=snake_case      ,							top_k=10				)

									# The target list contains duplicates, so we can't output more
									# than them
									self.assertEqual(len(snake_case				)      ,							3				)



		def 					A_		( self  :    str      ,							snake_case  :    List[Any]      ,							snake_case  :    Union[str, Any]				)			->						Union[str, Any]:






									'''simple docstring'''

									A         =					FillMaskPipeline(model=snake_case      ,							tokenizer=snake_case				)

									A         =					fill_masker(
									    f"""This is a {tokenizer.mask_token} {tokenizer.mask_token} {tokenizer.mask_token}"""      ,							top_k=2				)
									self.assertEqual(
									    snake_case      ,							[
									        [
									            {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									            {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									        ],
									        [
									            {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									            {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									        ],
									        [
									            {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									            {'sequence': ANY(snake_case				), 'score': ANY(snake_case				), 'token': ANY(snake_case				), 'token_str': ANY(snake_case				)},
									        ],
									    ]      ,							)



