





import unittest

from transformers import SPIECE_UNDERLINE, XLNetTokenizer, XLNetTokenizerFast
from transformers.testing_utils import get_tests_dir, require_sentencepiece, require_tokenizers, slow

from ...test_tokenization_common import TokenizerTesterMixin


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





@require_sentencepiece
@require_tokenizers
class 			lowerCAmelCase__( __lowercase  ,     unittest.TestCase    ):






       '''simple docstring'''


       __snake_case 			=    XLNetTokenizer
       __snake_case 			=    XLNetTokenizerFast
       __snake_case 			=    True
       __snake_case 			=    True




       def     UpperCamelCase_			(      self							)			->     Dict:
            super().setUp()

            # We have a SentencePiece fixture for testing
            _SCREAMING_SNAKE_CASE       :	Any						    =							XLNetTokenizer(__lowerCamelCase    ,						keep_accents=__lowerCamelCase							)
            tokenizer.sanitize_special_tokens()
            tokenizer.save_pretrained(self.tmpdirname							)




       def     UpperCamelCase_			(      self							)			->     str:
            _SCREAMING_SNAKE_CASE       :	Optional[Any]						    =							"<s>"
            _SCREAMING_SNAKE_CASE       :	List[str]						    =							1

            self.assertEqual(self.get_tokenizer()._convert_token_to_id(__lowerCamelCase							)    ,						__lowerCamelCase							)
            self.assertEqual(self.get_tokenizer()._convert_id_to_token(__lowerCamelCase							)    ,						__lowerCamelCase							)




       def     UpperCamelCase_			(      self							)			->     Optional[int]:
            _SCREAMING_SNAKE_CASE       :	Optional[Any]						    =							list(self.get_tokenizer().get_vocab().keys()							)

            self.assertEqual(vocab_keys[0]    ,						"<unk>"							)
            self.assertEqual(vocab_keys[1]    ,						"<s>"							)
            self.assertEqual(vocab_keys[-1]    ,						"<eod>"							)
            self.assertEqual(len(__lowerCamelCase							)    ,						1_0_0_6							)




       def     UpperCamelCase_			(      self							)			->     str:
            self.assertEqual(self.get_tokenizer().vocab_size    ,						1_0_0_0							)




       def     UpperCamelCase_			(      self							)			->     List[Any]:
            _SCREAMING_SNAKE_CASE       :	Any						    =							XLNetTokenizer(__lowerCamelCase    ,						keep_accents=__lowerCamelCase							)

            _SCREAMING_SNAKE_CASE       :	List[str]						    =							tokenizer.tokenize("This is a test"							)
            self.assertListEqual(__lowerCamelCase    ,						["▁This", "▁is", "▁a", "▁t", "est"]							)

            self.assertListEqual(tokenizer.convert_tokens_to_ids(__lowerCamelCase							)    ,						[2_8_5, 4_6, 1_0, 1_7_0, 3_8_2]							)

            _SCREAMING_SNAKE_CASE       :	List[str]						    =							tokenizer.tokenize("I was born in 92000, and this is falsé."							)
            self.assertListEqual(
                __lowerCamelCase    ,						[
                    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",
                    ".",
                ]    ,						)
            _SCREAMING_SNAKE_CASE       :	str						    =							tokenizer.convert_tokens_to_ids(__lowerCamelCase							)
            self.assertListEqual(__lowerCamelCase    ,						[8, 2_1, 8_4, 5_5, 2_4, 1_9, 7, 0, 6_0_2, 3_4_7, 3_4_7, 3_4_7, 3, 1_2, 6_6, 4_6, 7_2, 8_0, 6, 0, 4]							)

            _SCREAMING_SNAKE_CASE       :	str						    =							tokenizer.convert_ids_to_tokens(__lowerCamelCase							)
            self.assertListEqual(
                __lowerCamelCase    ,						[
                    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     UpperCamelCase_			(      self							)			->     Dict:
            _SCREAMING_SNAKE_CASE       :	Tuple						    =							XLNetTokenizer(__lowerCamelCase    ,						do_lower_case=__lowerCamelCase							)
            _SCREAMING_SNAKE_CASE       :	Dict						    =							tokenizer.tokenize("I was born in 92000, and this is falsé."							)
            self.assertListEqual(
                __lowerCamelCase    ,						[
                    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",
                    "se",
                    ".",
                ]    ,						)
            self.assertListEqual(tokenizer.tokenize("H\u00E9llo"							)    ,						["▁he", "ll", "o"]							)




       def     UpperCamelCase_			(      self							)			->     Dict:
            _SCREAMING_SNAKE_CASE       :	str						    =							XLNetTokenizer(__lowerCamelCase    ,						do_lower_case=__lowerCamelCase							)
            _SCREAMING_SNAKE_CASE       :	Union[str, Any]						    =							tokenizer.tokenize("I was born in 92000, and this is falsé."							)
            self.assertListEqual(
                __lowerCamelCase    ,						[
                    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",
                    "se",
                    ".",
                ]    ,						)




       @slow
       def     UpperCamelCase_			(      self							)			->     Optional[Any]:
            _SCREAMING_SNAKE_CASE       :	Optional[Any]						    =							XLNetTokenizer.from_pretrained("xlnet-base-cased"							)

            _SCREAMING_SNAKE_CASE       :	str						    =							tokenizer.encode("sequence builders"    ,						add_special_tokens=__lowerCamelCase							)
            _SCREAMING_SNAKE_CASE       :	Optional[Any]						    =							tokenizer.encode("multi-sequence build"    ,						add_special_tokens=__lowerCamelCase							)

            _SCREAMING_SNAKE_CASE       :	Optional[Any]						    =							tokenizer.build_inputs_with_special_tokens(__lowerCamelCase							)
            _SCREAMING_SNAKE_CASE       :	str						    =							tokenizer.build_inputs_with_special_tokens(__lowerCamelCase    ,						__lowerCamelCase							)

            assert encoded_sentence == text + [4, 3]
            assert encoded_pair == text + [4] + text_a + [4, 3]







       @slow
       def     UpperCamelCase_			(      self							)			->     List[str]:
            # fmt: off
            _SCREAMING_SNAKE_CASE       :	int						    =							{"input_ids": [[1_7, 2_1_4_4_2, 2_7_0, 1_7, 1_0, 1_4_6_4_5, 3_1_8, 3_4, 1_7, 4_5_4_6, 3_1_4_5, 7_8_7, 1_3, 7_7_5_2, 2_2_0_1_8, 2_3, 2_1, 1_7, 4_5_4_6, 3_1_4_5, 7_8_7, 1_3, 3_3_5_2, 1_4_4_3_1, 1_3, 5_5_0_0, 1_1, 1_1_7_6, 5_8_0, 1_3, 1_6_8_1_9, 4_7_9_7, 2_3, 1_7, 1_0, 1_7_1_3_5, 6_5_8, 1_9, 4_5_7, 7_9_3_2, 1_3, 1_8_4, 1_9, 3_1_5_4, 1_7_1_3_5, 6_4_6_8, 1_9, 1_4_0_4, 1_2_2_6_9, 1_9, 4_2_2_9, 5_3_5_6, 1_6_2_6_4, 4_6, 1_9, 1_7, 2_0_5_4_5, 1_0_3_9_5, 9, 9, 9, 1_1, 2_8, 6_4_2_1, 9_5_3_1, 2_0_7_2_9, 1_7, 1_0, 3_5_3, 1_7_0_2_2, 1_1, 2_1, 6_4_2_1, 9_5_3_1, 1_6_9_4_9, 1_7, 1_0, 1_1_5_0_9, 7_5_3, 1_1, 3_3, 9_5, 2_4_2_1, 7_3_8_5, 9_5_6, 1_4_4_3_1, 2_6_2_6, 2_5, 8_4_2, 7_3_8_5, 4_8_3_6, 2_1, 1_4_2_9, 2_2_7_2, 9_8_5_5, 3_1_2_0, 1_6_1, 2_4_7_3_8, 1_9, 1_3_2_0_3, 6_5_8, 2_1_8, 7_8_7, 2_1, 4_3_0, 1_8_4_8_2, 8_4_7, 2_6_3_7, 9, 4, 3], [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3_2_2, 2_2_1_7_8, 2_7, 1_0_6_4, 2_2, 9_5_6, 1_3, 1_1_1_0_1, 1_4_2_9, 5_8_5_4, 2_4_3_1_3, 1_8_9_5_3, 4_0, 4_2_2, 2_4_3_6_6, 6_8, 1_7_5_8, 3_7, 1_0_4_8_3, 1_4_2_5_7, 3_1, 2_0_7, 2_6_3, 2_1, 2_0_3, 3_7_7_3, 2_5, 7_1, 9_7_3_5, 9, 4, 3], [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3_2, 2_0_4_9, 3_4_4_2, 1_7, 1_3_8_9_4, 3_3_8_0, 2_3, 9_5, 1_8, 1_7_6_3_4, 2_2_8_8, 9, 4, 3]], "token_type_ids": [[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2], [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2], [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2]], "attention_mask": [[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1], [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1], [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]]}  # noqa: E501
            # fmt: on

            self.tokenizer_integration_test_util(
                expected_encoding=__lowerCamelCase    ,						model_name="xlnet-base-cased"    ,						revision="c841166438c31ec7ca9a106dee7bb312b73ae511"    ,						)






from math import acos, sin
from typing import List, Tuple, Union

import numpy as np
import torch
from PIL import Image

from ...models import AutoencoderKL, UNetaDConditionModel
from ...schedulers import DDIMScheduler, DDPMScheduler
from ...utils import randn_tensor
from ..pipeline_utils import AudioPipelineOutput, BaseOutput, DiffusionPipeline, ImagePipelineOutput
from .mel import Mel





class 			lowerCAmelCase__( __lowercase    ):






       '''simple docstring'''


       __snake_case 			=    ['vqvae']




       def __init__(      self    ,						__lowerCamelCase    ,						__lowerCamelCase    ,						__lowerCamelCase    ,						__lowerCamelCase    ,						)			->     Optional[Any]:
            super().__init__()
            self.register_modules(unet=__lowerCamelCase    ,						scheduler=__lowerCamelCase    ,						mel=__lowerCamelCase    ,						vqvae=__lowerCamelCase							)




       def     UpperCamelCase_			(      self							)			->     int:
            return 5_0 if isinstance(self.scheduler    ,						__lowerCamelCase							) else 1_0_0_0




       @torch.no_grad()
       def __call__(      self    ,						__lowerCamelCase = 1    ,						__lowerCamelCase = None    ,						__lowerCamelCase = None    ,						__lowerCamelCase = 0    ,						__lowerCamelCase = 0    ,						__lowerCamelCase = None    ,						__lowerCamelCase = None    ,						__lowerCamelCase = 0    ,						__lowerCamelCase = 0    ,						__lowerCamelCase = None    ,						__lowerCamelCase = 0    ,						__lowerCamelCase = None    ,						__lowerCamelCase = None    ,						__lowerCamelCase=True    ,						)			->     Union[
           Union[AudioPipelineOutput, ImagePipelineOutput],
           Tuple[List[Image.Image], Tuple[int, List[np.ndarray]]],
       ]:
            _SCREAMING_SNAKE_CASE       :	List[Any]						    =							steps or self.get_default_steps()
            self.scheduler.set_timesteps(__lowerCamelCase							)
            _SCREAMING_SNAKE_CASE       :	List[Any]						    =							step_generator or generator
            # For backwards compatibility
            if type(self.unet.config.sample_size							) == int:
                 _SCREAMING_SNAKE_CASE       :	Dict						    =							(self.unet.config.sample_size, self.unet.config.sample_size)
            if noise is None:
                 _SCREAMING_SNAKE_CASE       :	Tuple						    =							randn_tensor(
                     (
                         batch_size,
                         self.unet.config.in_channels,
                         self.unet.config.sample_size[0],
                         self.unet.config.sample_size[1],
                     )    ,						generator=__lowerCamelCase    ,						device=self.device    ,						)
            _SCREAMING_SNAKE_CASE       :	Any						    =							noise
            _SCREAMING_SNAKE_CASE       :	Optional[Any]						    =							None

            if audio_file is not None or raw_audio is not None:
                 self.mel.load_audio(__lowerCamelCase    ,						__lowerCamelCase							)
                 _SCREAMING_SNAKE_CASE       :	Tuple						    =							self.mel.audio_slice_to_image(__lowerCamelCase							)
                 _SCREAMING_SNAKE_CASE       :	str						    =							np.frombuffer(input_image.tobytes()    ,						dtype="uint8"							).reshape(
                     (input_image.height, input_image.width)							)
                 _SCREAMING_SNAKE_CASE       :	List[Any]						    =							(input_image / 2_5_5) * 2 - 1
                 _SCREAMING_SNAKE_CASE       :	Optional[int]						    =							torch.tensor(input_image[np.newaxis, :, :]    ,						dtype=torch.float							).to(self.device							)

                 if self.vqvae is not None:
                      _SCREAMING_SNAKE_CASE       :	Optional[int]						    =							self.vqvae.encode(torch.unsqueeze(__lowerCamelCase    ,						0							)							).latent_dist.sample(
                          generator=__lowerCamelCase							)[0]
                      _SCREAMING_SNAKE_CASE       :	Dict						    =							self.vqvae.config.scaling_factor * input_images

                 if start_step > 0:
                      _SCREAMING_SNAKE_CASE       :	List[str]						    =							self.scheduler.add_noise(__lowerCamelCase    ,						__lowerCamelCase    ,						self.scheduler.timesteps[start_step - 1]							)

                 _SCREAMING_SNAKE_CASE       :	Dict						    =							(
                     self.unet.config.sample_size[1] * self.mel.get_sample_rate() / self.mel.x_res / self.mel.hop_length
                 )
                 _SCREAMING_SNAKE_CASE       :	Dict						    =							int(mask_start_secs * pixels_per_second							)
                 _SCREAMING_SNAKE_CASE       :	str						    =							int(mask_end_secs * pixels_per_second							)
                 _SCREAMING_SNAKE_CASE       :	List[str]						    =							self.scheduler.add_noise(__lowerCamelCase    ,						__lowerCamelCase    ,						torch.tensor(self.scheduler.timesteps[start_step:]							)							)

            for step, t in enumerate(self.progress_bar(self.scheduler.timesteps[start_step:]							)							):
                 if isinstance(self.unet    ,						__lowerCamelCase							):
                      _SCREAMING_SNAKE_CASE       :	str						    =							self.unet(__lowerCamelCase    ,						__lowerCamelCase    ,						__lowerCamelCase							)["sample"]
                 else:
                      _SCREAMING_SNAKE_CASE       :	List[str]						    =							self.unet(__lowerCamelCase    ,						__lowerCamelCase							)["sample"]

                 if isinstance(self.scheduler    ,						__lowerCamelCase							):
                      _SCREAMING_SNAKE_CASE       :	Tuple						    =							self.scheduler.step(
                          model_output=__lowerCamelCase    ,						timestep=__lowerCamelCase    ,						sample=__lowerCamelCase    ,						eta=__lowerCamelCase    ,						generator=__lowerCamelCase    ,						)["prev_sample"]
                 else:
                      _SCREAMING_SNAKE_CASE       :	Tuple						    =							self.scheduler.step(
                          model_output=__lowerCamelCase    ,						timestep=__lowerCamelCase    ,						sample=__lowerCamelCase    ,						generator=__lowerCamelCase    ,						)["prev_sample"]

                 if mask is not None:
                      if mask_start > 0:
                           _SCREAMING_SNAKE_CASE       :	Tuple						    =							mask[:, step, :, :mask_start]
                      if mask_end > 0:
                           _SCREAMING_SNAKE_CASE       :	Optional[Any]						    =							mask[:, step, :, -mask_end:]

            if self.vqvae is not None:
                 # 0.18215 was scaling factor used in training to ensure unit variance
                 _SCREAMING_SNAKE_CASE       :	Union[str, Any]						    =							1 / self.vqvae.config.scaling_factor * images
                 _SCREAMING_SNAKE_CASE       :	Tuple						    =							self.vqvae.decode(__lowerCamelCase							)["sample"]

            _SCREAMING_SNAKE_CASE       :	Tuple						    =							(images / 2 + 0.5).clamp(0    ,						1							)
            _SCREAMING_SNAKE_CASE       :	List[str]						    =							images.cpu().permute(0    ,						2    ,						3    ,						1							).numpy()
            _SCREAMING_SNAKE_CASE       :	int						    =							(images * 2_5_5).round().astype("uint8"							)
            _SCREAMING_SNAKE_CASE       :	Dict						    =							list(
                (Image.fromarray(_[:, :, 0]							) for _ in images)
                if images.shape[3] == 1
                else (Image.fromarray(__lowerCamelCase    ,						mode="RGB"							).convert("L"							) for _ in images)							)

            _SCREAMING_SNAKE_CASE       :	Dict						    =							[self.mel.image_to_audio(__lowerCamelCase							) for _ in images]
            if not return_dict:
                 return images, (self.mel.get_sample_rate(), audios)

            return BaseOutput(**AudioPipelineOutput(np.array(__lowerCamelCase							)[:, np.newaxis, :]							)    ,						**ImagePipelineOutput(__lowerCamelCase							)							)




       @torch.no_grad()
       def     UpperCamelCase_			(      self    ,						__lowerCamelCase    ,						__lowerCamelCase = 5_0							)			->     np.ndarray:
            assert isinstance(self.scheduler    ,						__lowerCamelCase							)
            self.scheduler.set_timesteps(__lowerCamelCase							)
            _SCREAMING_SNAKE_CASE       :	Optional[Any]						    =							np.array(
                [np.frombuffer(image.tobytes()    ,						dtype="uint8"							).reshape((1, image.height, image.width)							) for image in images]							)
            _SCREAMING_SNAKE_CASE       :	Optional[Any]						    =							(sample / 2_5_5) * 2 - 1
            _SCREAMING_SNAKE_CASE       :	Optional[int]						    =							torch.Tensor(__lowerCamelCase							).to(self.device							)

            for t in self.progress_bar(torch.flip(self.scheduler.timesteps    ,						(0,)							)							):
                 _SCREAMING_SNAKE_CASE       :	Any						    =							t - self.scheduler.config.num_train_timesteps // self.scheduler.num_inference_steps
                 _SCREAMING_SNAKE_CASE       :	int						    =							self.scheduler.alphas_cumprod[t]
                 _SCREAMING_SNAKE_CASE       :	List[str]						    =							(
                     self.scheduler.alphas_cumprod[prev_timestep]
                     if prev_timestep >= 0
                     else self.scheduler.final_alpha_cumprod
                 )
                 _SCREAMING_SNAKE_CASE       :	Union[str, Any]						    =							1 - alpha_prod_t
                 _SCREAMING_SNAKE_CASE       :	List[Any]						    =							self.unet(__lowerCamelCase    ,						__lowerCamelCase							)["sample"]
                 _SCREAMING_SNAKE_CASE       :	Dict						    =							(1 - alpha_prod_t_prev) ** 0.5 * model_output
                 _SCREAMING_SNAKE_CASE       :	Any						    =							(sample - pred_sample_direction) * alpha_prod_t_prev ** (-0.5)
                 _SCREAMING_SNAKE_CASE       :	Union[str, Any]						    =							sample * alpha_prod_t ** 0.5 + beta_prod_t ** 0.5 * model_output

            return sample







       @staticmethod
       def     UpperCamelCase_			(      __lowerCamelCase    ,						__lowerCamelCase    ,						__lowerCamelCase							)			->     torch.Tensor:
            _SCREAMING_SNAKE_CASE       :	Tuple						    =							acos(torch.dot(torch.flatten(__lowerCamelCase							)    ,						torch.flatten(__lowerCamelCase							)							) / torch.norm(__lowerCamelCase							) / torch.norm(__lowerCamelCase							)							)
            return sin((1 - alpha) * theta							) * xa / sin(__lowerCamelCase							) + sin(alpha * theta							) * xa / sin(__lowerCamelCase							)