

# DISCLAIMER: This code is strongly influenced by https://github.com/pesser/pytorch_diffusion
# and https://github.com/hojonathanho/diffusion

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

import flax
import jax.numpy as jnp

from ..configuration_utils import ConfigMixin, register_to_config
from .scheduling_utils_flax import (
    CommonSchedulerState,
    FlaxKarrasDiffusionSchedulers,
    FlaxSchedulerMixin,
    FlaxSchedulerOutput,
    add_noise_common,
    get_velocity_common,
)





@flax.struct.dataclass
class 			snake_case_     :







			'''simple docstring'''

			SCREAMING_SNAKE_CASE  :     CommonSchedulerState
			SCREAMING_SNAKE_CASE  :     jnp.ndarray

			# setable values
			SCREAMING_SNAKE_CASE  :     jnp.ndarray
			SCREAMING_SNAKE_CASE  :     jnp.ndarray
			SCREAMING_SNAKE_CASE  :     Optional[int]		    =       None







			@classmethod
			def        snake_case__(  cls				:       int							,     _UpperCamelCase				:       CommonSchedulerState							,     _UpperCamelCase				:       jnp.ndarray							,     _UpperCamelCase				:       jnp.ndarray							,     _UpperCamelCase				:       jnp.ndarray							,     )   ->List[Any]:
									return cls(
									    common=_UpperCamelCase							,     final_alpha_cumprod=_UpperCamelCase							,     init_noise_sigma=_UpperCamelCase							,     timesteps=_UpperCamelCase							,     )






@dataclass
class 			snake_case_     (	__A      ):







			'''simple docstring'''

			SCREAMING_SNAKE_CASE  :     DDIMSchedulerState






class 			snake_case_     (	__A			, __A      ):







			'''simple docstring'''

			SCREAMING_SNAKE_CASE  :     Tuple		    =       [e.name for e in FlaxKarrasDiffusionSchedulers]

			SCREAMING_SNAKE_CASE  :     jnp.dtype







			@property
			def        snake_case__(  self				:       Tuple							)   ->int:
									return True







			@register_to_config
			def __init__(  self				:       Dict							,     _UpperCamelCase				:       int = 1_0_0_0							,     _UpperCamelCase				:       float = 0.0001							,     _UpperCamelCase				:       float = 0.02							,     _UpperCamelCase				:       str = "linear"							,     _UpperCamelCase				:       Optional[jnp.ndarray] = None							,     _UpperCamelCase				:       bool = True							,     _UpperCamelCase				:       int = 0							,     _UpperCamelCase				:       str = "epsilon"							,     _UpperCamelCase				:       jnp.dtype = jnp.floataa							,     )   ->List[Any]:
									snake_case_     =			dtype







			def        snake_case__(  self				:       Optional[Any]							,     _UpperCamelCase				:       Optional[CommonSchedulerState] = None							)   ->DDIMSchedulerState:
									if common is None:
															snake_case_     =			CommonSchedulerState.create(self							)

									# At every step in ddim, we are looking into the previous alphas_cumprod
									# For the final step, there is no previous alphas_cumprod because we are already at 0
									# `set_alpha_to_one` decides whether we set this parameter simply to one or
									# whether we use the final alpha of the "non-previous" one.
									snake_case_     =			(
									    jnp.array(1.0							,     dtype=self.dtype							) if self.config.set_alpha_to_one else common.alphas_cumprod[0]
									)

									# standard deviation of the initial noise distribution
									snake_case_     =			jnp.array(1.0							,     dtype=self.dtype							)

									snake_case_     =			jnp.arange(0							,     self.config.num_train_timesteps							).round()[::-1]

									return DDIMSchedulerState.create(
									    common=_UpperCamelCase							,     final_alpha_cumprod=_UpperCamelCase							,     init_noise_sigma=_UpperCamelCase							,     timesteps=_UpperCamelCase							,     )







			def        snake_case__(  self				:       Tuple							,     _UpperCamelCase				:       DDIMSchedulerState							,     _UpperCamelCase				:       jnp.ndarray							,     _UpperCamelCase				:       Optional[int] = None							)   ->jnp.ndarray:
									return sample







			def        snake_case__(  self				:       List[str]							,     _UpperCamelCase				:       DDIMSchedulerState							,     _UpperCamelCase				:       int							,     _UpperCamelCase				:       Tuple = ()							)   ->DDIMSchedulerState:
									snake_case_     =			self.config.num_train_timesteps // num_inference_steps
									# creates integer timesteps by multiplying by ratio
									# rounding to avoid issues when num_inference_step is power of 3
									snake_case_     =			(jnp.arange(0							,     _UpperCamelCase							) * step_ratio).round()[::-1] + self.config.steps_offset

									return state.replace(
									    num_inference_steps=_UpperCamelCase							,     timesteps=_UpperCamelCase							,     )







			def        snake_case__(  self				:       Union[str, Any]							,     _UpperCamelCase				:       DDIMSchedulerState							,     _UpperCamelCase				:       Dict							,     _UpperCamelCase				:       Optional[int]							)   ->Union[str, Any]:
									snake_case_     =			state.common.alphas_cumprod[timestep]
									snake_case_     =			jnp.where(
									    prev_timestep >= 0							,     state.common.alphas_cumprod[prev_timestep]							,     state.final_alpha_cumprod							)
									snake_case_     =			1 - alpha_prod_t
									snake_case_     =			1 - alpha_prod_t_prev

									snake_case_     =			(beta_prod_t_prev / beta_prod_t) * (1 - alpha_prod_t / alpha_prod_t_prev)

									return variance







			def        snake_case__(  self				:       Tuple							,     _UpperCamelCase				:       DDIMSchedulerState							,     _UpperCamelCase				:       jnp.ndarray							,     _UpperCamelCase				:       int							,     _UpperCamelCase				:       jnp.ndarray							,     _UpperCamelCase				:       float = 0.0							,     _UpperCamelCase				:       bool = True							,     )   ->Union[FlaxDDIMSchedulerOutput, Tuple]:
									if state.num_inference_steps is None:
															raise ValueError(
															    '''Number of inference steps is \'None\', you need to run \'set_timesteps\' after creating the scheduler'''							)

									# See formulas (12) and (16) of DDIM paper https://arxiv.org/pdf/2010.02502.pdf
									# Ideally, read DDIM paper in-detail understanding

									# Notation (<variable name> -> <name in paper>
									# - pred_noise_t -> e_theta(x_t, t)
									# - pred_original_sample -> f_theta(x_t, t) or x_0
									# - std_dev_t -> sigma_t
									# - eta -> η
									# - pred_sample_direction -> "direction pointing to x_t"
									# - pred_prev_sample -> "x_t-1"

									# 1. get previous step value (=t-1)
									snake_case_     =			timestep - self.config.num_train_timesteps // state.num_inference_steps

									snake_case_     =			state.common.alphas_cumprod
									snake_case_     =			state.final_alpha_cumprod

									# 2. compute alphas, betas
									snake_case_     =			alphas_cumprod[timestep]
									snake_case_     =			jnp.where(prev_timestep >= 0							,     alphas_cumprod[prev_timestep]							,     _UpperCamelCase							)

									snake_case_     =			1 - alpha_prod_t

									# 3. compute predicted original sample from predicted noise also called
									# "predicted x_0" of formula (12) from https://arxiv.org/pdf/2010.02502.pdf
									if self.config.prediction_type == "epsilon":
															snake_case_     =			(sample - beta_prod_t ** 0.5 * model_output) / alpha_prod_t ** 0.5
															snake_case_     =			model_output
									elif self.config.prediction_type == "sample":
															snake_case_     =			model_output
															snake_case_     =			(sample - alpha_prod_t ** 0.5 * pred_original_sample) / beta_prod_t ** 0.5
									elif self.config.prediction_type == "v_prediction":
															snake_case_     =			(alpha_prod_t**0.5) * sample - (beta_prod_t**0.5) * model_output
															snake_case_     =			(alpha_prod_t**0.5) * model_output + (beta_prod_t**0.5) * sample
									else:
															raise ValueError(
															    f'''prediction_type given as {self.config.prediction_type} must be one of `epsilon`, `sample`, or'''
															    ''' `v_prediction`'''							)

									# 4. compute variance: "sigma_t(η)" -> see formula (16)
									# σ_t = sqrt((1 − α_t−1)/(1 − α_t)) * sqrt(1 − α_t/α_t−1)
									snake_case_     =			self._get_variance(_UpperCamelCase							,     _UpperCamelCase							,     _UpperCamelCase							)
									snake_case_     =			eta * variance ** 0.5

									# 5. compute "direction pointing to x_t" of formula (12) from https://arxiv.org/pdf/2010.02502.pdf
									snake_case_     =			(1 - alpha_prod_t_prev - std_dev_t**2) ** 0.5 * pred_epsilon

									# 6. compute x_t without "random noise" of formula (12) from https://arxiv.org/pdf/2010.02502.pdf
									snake_case_     =			alpha_prod_t_prev ** 0.5 * pred_original_sample + pred_sample_direction

									if not return_dict:
															return (prev_sample, state)

									return FlaxDDIMSchedulerOutput(prev_sample=_UpperCamelCase							,     state=_UpperCamelCase							)







			def        snake_case__(  self				:       Optional[int]							,     _UpperCamelCase				:       DDIMSchedulerState							,     _UpperCamelCase				:       jnp.ndarray							,     _UpperCamelCase				:       jnp.ndarray							,     _UpperCamelCase				:       jnp.ndarray							,     )   ->jnp.ndarray:
									return add_noise_common(state.common							,     _UpperCamelCase							,     _UpperCamelCase							,     _UpperCamelCase							)







			def        snake_case__(  self				:       int							,     _UpperCamelCase				:       DDIMSchedulerState							,     _UpperCamelCase				:       jnp.ndarray							,     _UpperCamelCase				:       jnp.ndarray							,     _UpperCamelCase				:       jnp.ndarray							,     )   ->jnp.ndarray:
									return get_velocity_common(state.common							,     _UpperCamelCase							,     _UpperCamelCase							,     _UpperCamelCase							)







			def __len__(  self				:       List[str]							)   ->List[str]:
									return self.config.num_train_timesteps


import unittest
from unittest import skip

from transformers import is_torch_available
from transformers.testing_utils import require_torch, slow
from transformers.trainer_utils import set_seed


if is_torch_available():
					import torch

					from transformers import JukeboxModel, JukeboxPrior, JukeboxTokenizer





@require_torch
class 			snake_case_     (	unittest.TestCase      ):







			'''simple docstring'''

			SCREAMING_SNAKE_CASE  :     Optional[int]		    =       (JukeboxModel,) if is_torch_available() else ()
			SCREAMING_SNAKE_CASE  :     Optional[int]		    =       "openai/jukebox-1b-lyrics"
			SCREAMING_SNAKE_CASE  :     Union[str, Any]		    =       {
			    "artist": "Zac Brown Band",
			    "genres": "Country",
			    "lyrics": "I met a traveller from an antique land,\n    Who said \"Two vast and trunkless legs of stone\n    Stand in the desert. . . . Near them, on the sand,\n    Half sunk a shattered visage lies, whose frown,\n    And wrinkled lip, and sneer of cold command,\n    Tell that its sculptor well those passions read\n    Which yet survive, stamped on these lifeless things,\n    The hand that mocked them, and the heart that fed;\n    And on the pedestal, these words appear:\n    My name is Ozymandias, King of Kings;\n    Look on my Works, ye Mighty, and despair!\n    Nothing beside remains. Round the decay\n    Of that colossal Wreck, boundless and bare\n    The lone and level sands stretch far away\n    ",
			}
			# fmt: off
			SCREAMING_SNAKE_CASE  :     int		    =       [
			    1864, 1536, 1213, 1870, 1357, 1536, 519, 880, 1323, 789, 1082, 534,
			    1000, 1445, 1105, 1130, 967, 515, 1434, 1620, 534, 1495, 283, 1445,
			    333, 1307, 539, 1631, 1528, 375, 1434, 673, 627, 710, 778, 1883,
			    1405, 1276, 1455, 1228
			]

			SCREAMING_SNAKE_CASE  :     Optional[int]		    =       [
			    1489, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653,
			    653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653,
			    653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653,
			    653, 653, 653, 653
			]

			SCREAMING_SNAKE_CASE  :     Optional[int]		    =       [
			    1125, 1751, 697, 1776, 1141, 1476, 391, 697, 1125, 684, 867, 416,
			    844, 1372, 1274, 717, 1274, 844, 1299, 1419, 697, 1370, 317, 1125,
			    191, 1440, 1370, 1440, 1370, 282, 1621, 1370, 368, 349, 867, 1872,
			    1262, 869, 1728, 747
			]
			SCREAMING_SNAKE_CASE  :     List[Any]		    =       [
			    416, 416, 1125, 1125, 416, 416, 416, 416, 416, 416, 416, 416,
			    416, 416, 416, 416, 416, 416, 416, 416, 416, 416, 416, 416,
			    416, 416, 416, 416, 416, 416, 416, 416, 416, 416, 416, 416,
			    416, 416, 416, 416
			]

			SCREAMING_SNAKE_CASE  :     Tuple		    =       [
			    1755, 842, 307, 1843, 1022, 1395, 234, 1554, 806, 739, 1022, 442,
			    616, 556, 268, 1499, 933, 457, 1440, 1837, 755, 985, 308, 902,
			    293, 1443, 1671, 1141, 1533, 555, 1562, 1061, 287, 417, 1022, 2008,
			    1186, 1015, 1777, 268
			]
			SCREAMING_SNAKE_CASE  :     Union[str, Any]		    =       [
			    854, 842, 1353, 114, 1353, 842, 185, 842, 185, 114, 591, 842,
			    185, 417, 185, 842, 307, 842, 591, 842, 185, 842, 307, 842,
			    591, 842, 1353, 842, 185, 842, 591, 842, 591, 114, 591, 842,
			    185, 842, 591, 89
			]

			SCREAMING_SNAKE_CASE  :     Dict		    =       [1058304, 0, 786432, 7169, 507, 76, 27, 40, 30, 76]

			SCREAMING_SNAKE_CASE  :     str		    =       [
			    390, 1160, 1002, 1907, 1788, 1788, 1788, 1907, 1002, 1002, 1854, 1002,
			    1002, 1002, 1002, 1002, 1002, 1160, 1160, 1606, 596, 596, 1160, 1002,
			    1516, 596, 1002, 1002, 1002, 1907, 1788, 1788, 1788, 1854, 1788, 1907,
			    1907, 1788, 596, 1626
			]
			SCREAMING_SNAKE_CASE  :     List[Any]		    =       [
			    1236, 1668, 1484, 1920, 1848, 1409, 139, 864, 1828, 1272, 1599, 824,
			    1672, 139, 555, 1484, 824, 1920, 555, 596, 1579, 1599, 1231, 1599,
			    1637, 1407, 212, 824, 1599, 116, 1433, 824, 258, 1599, 1433, 1895,
			    1063, 1433, 1433, 1599
			]
			SCREAMING_SNAKE_CASE  :     Tuple		    =       [
			    1684, 1873, 1119, 1189, 395, 611, 1901, 972, 890, 1337, 1392, 1927,
			    96, 972, 672, 780, 1119, 890, 158, 771, 1073, 1927, 353, 1331,
			    1269, 1459, 1333, 1645, 812, 1577, 1337, 606, 353, 981, 1466, 619,
			    197, 391, 302, 1930
			]
			SCREAMING_SNAKE_CASE  :     List[str]		    =       [
			    390, 1160, 1002, 1907, 1788, 1788, 1788, 1907, 1002, 1002, 1854, 1002,
			    1002, 1002, 1002, 1002, 1002, 1160, 1160, 1606, 596, 596, 1160, 1002,
			    1516, 596, 1002, 1002, 1002, 1907, 1788, 1788, 1788, 1854, 1788, 1907,
			    1907, 1788, 596, 1626
			]
			SCREAMING_SNAKE_CASE  :     int		    =       [
			    -0.0492, -0.0524, -0.0565, -0.0640, -0.0686, -0.0684, -0.0677, -0.0664,
			    -0.0605, -0.0490, -0.0330, -0.0168, -0.0083, -0.0075, -0.0051, 0.0025,
			    0.0136, 0.0261, 0.0386, 0.0497, 0.0580, 0.0599, 0.0583, 0.0614,
			    0.0740, 0.0889, 0.1023, 0.1162, 0.1211, 0.1212, 0.1251, 0.1336,
			    0.1502, 0.1686, 0.1883, 0.2148, 0.2363, 0.2458, 0.2507, 0.2531
			]
			SCREAMING_SNAKE_CASE  :     Dict		    =       [
			    0.0256, -0.0544, 0.1600, -0.0032, 0.1066, 0.0825, -0.0013, 0.3440,
			    0.0210, 0.0412, -0.1777, -0.0892, -0.0164, 0.0285, -0.0613, -0.0617,
			    -0.0137, -0.0201, -0.0175, 0.0215, -0.0627, 0.0520, -0.0730, 0.0970,
			    -0.0100, 0.0442, -0.0586, 0.0207, -0.0015, -0.0082
			]
			SCREAMING_SNAKE_CASE  :     List[str]		    =       [
			    0.0415, 0.0877, 0.0022, -0.0055, 0.0751, 0.0334, 0.0324, -0.0068,
			    0.0011, 0.0017, -0.0676, 0.0655, -0.0143, 0.0399, 0.0303, 0.0743,
			    -0.0168, -0.0394, -0.1113, 0.0124, 0.0442, 0.0267, -0.0003, -0.1536,
			    -0.0116, -0.1837, -0.0180, -0.1026, -0.0777, -0.0456
			]
			SCREAMING_SNAKE_CASE  :     Any		    =       [
			    76, 27, 40, 30, 76, 46, 44, 47, 40, 37, 38, 31, 45, 45, 76, 38, 31, 33,
			    45, 76, 41, 32, 76, 45, 46, 41, 40, 31, 78, 76
			]







			def        snake_case__(  self				:       Union[str, Any]							)   ->str:
									snake_case_     =			JukeboxTokenizer.from_pretrained(self.model_id							)
									snake_case_     =			tokenizer(**self.metas							)['''input_ids''']
									return tokens







			@slow
			def        snake_case__(  self				:       int							)   ->str:
									snake_case_     =			JukeboxModel.from_pretrained(self.model_id							,     min_duration=0							).eval()
									snake_case_     =			self.prepare_inputs()

									set_seed(0							)
									snake_case_     =			[torch.zeros(1							,     0							,     dtype=torch.long							).cpu() for _ in range(3							)]
									snake_case_     =			model._sample(_UpperCamelCase							,     _UpperCamelCase							,     [0]							,     sample_length=4_0 * model.priors[0].raw_to_tokens							,     save_results=_UpperCamelCase							)
									self.assertIn(zs[0][0].detach().cpu().tolist()							,     [self.EXPECTED_OUTPUT_2, self.EXPECTED_OUTPUT_2_PT_2]							)

									set_seed(0							)
									snake_case_     =			model._sample(_UpperCamelCase							,     _UpperCamelCase							,     [1]							,     sample_length=4_0 * model.priors[1].raw_to_tokens							,     save_results=_UpperCamelCase							)
									self.assertIn(zs[1][0].detach().cpu().tolist()							,     [self.EXPECTED_OUTPUT_1, self.EXPECTED_OUTPUT_1_PT_2]							)

									set_seed(0							)
									snake_case_     =			model._sample(_UpperCamelCase							,     _UpperCamelCase							,     [2]							,     sample_length=4_0 * model.priors[2].raw_to_tokens							,     save_results=_UpperCamelCase							)
									self.assertIn(zs[2][0].detach().cpu().tolist()							,     [self.EXPECTED_OUTPUT_0, self.EXPECTED_OUTPUT_0_PT_2]							)







			@slow
			def        snake_case__(  self				:       Union[str, Any]							)   ->List[str]:
									snake_case_     =			False
									snake_case_     =			JukeboxModel.from_pretrained(self.model_id							,     min_duration=0							).eval()

									snake_case_     =			self.prepare_inputs()
									set_seed(0							)
									snake_case_     =			[torch.zeros(1							,     0							,     dtype=torch.long							) for _ in range(3							)]

									snake_case_     =			model.priors[0]
									snake_case_     =			0
									snake_case_     =			top_prior.get_music_tokens_conds(_UpperCamelCase							,     start=_UpperCamelCase							,     end=start + top_prior.n_ctx							)
									snake_case_     =			top_prior.get_metadata(labels[0].clone()							,     _UpperCamelCase							,     1_0_5_8_3_0_4							,     0							)

									self.assertIsNone(_UpperCamelCase							)
									self.assertListEqual(metadata.numpy()[0][:1_0].tolist()							,     self.EXPECTED_Y_COND							)

									snake_case_,					snake_case_,					snake_case_     =			top_prior.get_cond(_UpperCamelCase							,     _UpperCamelCase							)
									torch.testing.assert_allclose(
									    audio_conditioning[0][0][:3_0].detach()							,     torch.tensor(self.EXPECTED_AUDIO_COND							)							,     atol=1e-4							,     rtol=1e-4							)
									torch.testing.assert_allclose(
									    metadata_conditioning[0][0][:3_0].detach()							,     torch.tensor(self.EXPECTED_META_COND							)							,     atol=1e-4							,     rtol=1e-4							)
									torch.testing.assert_allclose(
									    lyric_tokens[0, :3_0].detach()							,     torch.tensor(self.EXPECTED_LYRIC_COND							)							,     atol=1e-4							,     rtol=1e-4							)







			@slow
			def        snake_case__(  self				:       Union[str, Any]							)   ->List[Any]:
									snake_case_     =			False

									snake_case_     =			JukeboxModel.from_pretrained(self.model_id							,     min_duration=0							).eval()
									set_seed(0							)
									snake_case_     =			torch.rand((1, 5_1_2_0, 1)							)
									snake_case_     =			list(self.prepare_inputs()							)

									snake_case_     =			[model.vqvae.encode(_UpperCamelCase							,     start_level=2							,     bs_chunks=waveform.shape[0]							)[0], None, None]
									snake_case_     =			model._sample(
									    _UpperCamelCase							,     _UpperCamelCase							,     sample_levels=[0]							,     save_results=_UpperCamelCase							,     sample_length=4_0 * model.priors[0].raw_to_tokens							)
									torch.testing.assert_allclose(zs[0][0][:4_0]							,     torch.tensor(self.EXPECTED_PRIMED_0							)							)

									snake_case_     =			torch.cat((zs[0], torch.zeros(1							,     2_0_4_8 - zs[0].shape[-1]							))							,     dim=-1							).long()
									snake_case_     =			[upper_a, model.vqvae.encode(_UpperCamelCase							,     start_level=1							,     bs_chunks=waveform.shape[0]							)[0], None]
									snake_case_     =			model._sample(
									    _UpperCamelCase							,     _UpperCamelCase							,     sample_levels=[1]							,     save_results=_UpperCamelCase							,     sample_length=4_0 * model.priors[1].raw_to_tokens							)
									torch.testing.assert_allclose(zs[1][0][:4_0]							,     torch.tensor(self.EXPECTED_PRIMED_1							)							)

									snake_case_     =			torch.cat((zs[1], torch.zeros(1							,     2_0_4_8 - zs[1].shape[-1]							))							,     dim=-1							).long()
									snake_case_     =			[upper_a, upper_a, model.vqvae.encode(_UpperCamelCase							,     start_level=0							,     bs_chunks=waveform.shape[0]							)[0]]
									snake_case_     =			model._sample(
									    _UpperCamelCase							,     _UpperCamelCase							,     sample_levels=[2]							,     save_results=_UpperCamelCase							,     sample_length=4_0 * model.priors[2].raw_to_tokens							)
									torch.testing.assert_allclose(zs[2][0][:4_0].cpu()							,     torch.tensor(self.EXPECTED_PRIMED_2							)							)







			@slow
			def        snake_case__(  self				:       Union[str, Any]							)   ->Optional[Any]:
									snake_case_     =			JukeboxModel.from_pretrained(self.model_id							,     min_duration=0							).eval()
									set_seed(0							)
									snake_case_     =			torch.rand((1, 5_1_2_0, 1)							)
									with torch.no_grad():
															snake_case_     =			model.vqvae.encode(_UpperCamelCase							,     start_level=2							,     bs_chunks=x.shape[0]							)
									torch.testing.assert_allclose(zs[0][0]							,     torch.tensor(self.EXPECTED_VQVAE_ENCODE							)							)

									with torch.no_grad():
															snake_case_     =			model.vqvae.decode(_UpperCamelCase							,     start_level=2							,     bs_chunks=x.shape[0]							)
									torch.testing.assert_allclose(x[0, :4_0, 0]							,     torch.tensor(self.EXPECTED_VQVAE_DECODE							)							,     atol=1e-4							,     rtol=1e-4							)






@require_torch
class 			snake_case_     (	unittest.TestCase      ):







			'''simple docstring'''

			SCREAMING_SNAKE_CASE  :     Any		    =       (JukeboxModel,) if is_torch_available() else ()
			SCREAMING_SNAKE_CASE  :     Optional[Any]		    =       "openai/jukebox-5b-lyrics"
			SCREAMING_SNAKE_CASE  :     int		    =       {
			    "artist": "Zac Brown Band",
			    "genres": "Country",
			    "lyrics": "I met a traveller from an antique land,\n    Who said \"Two vast and trunkless legs of stone\n    Stand in the desert. . . . Near them, on the sand,\n    Half sunk a shattered visage lies, whose frown,\n    And wrinkled lip, and sneer of cold command,\n    Tell that its sculptor well those passions read\n    Which yet survive, stamped on these lifeless things,\n    The hand that mocked them, and the heart that fed;\n    And on the pedestal, these words appear:\n    My name is Ozymandias, King of Kings;\n    Look on my Works, ye Mighty, and despair!\n    Nothing beside remains. Round the decay\n    Of that colossal Wreck, boundless and bare\n    The lone and level sands stretch far away\n    ",
			}

			# fmt: off
			SCREAMING_SNAKE_CASE  :     str		    =       [
			    1489, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653,
			    653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653,
			    653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653,
			    653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653,
			    1489, 1489, 1489, 1489, 1150, 1853, 1509, 1150, 1357, 1509, 6, 1272
			]
			SCREAMING_SNAKE_CASE  :     List[str]		    =       [
			    1489, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653,
			    653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653,
			    653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653,
			    653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653,
			    653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653
			]

			SCREAMING_SNAKE_CASE  :     Optional[int]		    =       [
			    1125, 416, 1125, 1125, 1125, 1125, 1125, 416, 416, 416, 416, 416,
			    416, 416, 416, 416, 416, 416, 416, 416, 416, 416, 416, 416,
			    416, 416, 416, 416, 416, 416, 416, 416, 416, 416, 416, 416,
			    416, 416, 416, 416, 416, 416, 416, 416, 416, 416, 416, 416,
			    416, 416, 416, 416, 416, 416, 416, 416, 416, 416, 416, 416
			]
			SCREAMING_SNAKE_CASE  :     Dict		    =       [
			    416, 416, 1125, 1125, 416, 416, 416, 416, 416, 416, 416, 416, 416,
			    416, 416, 416, 416, 416, 416, 416, 416, 416, 416, 416, 416, 416,
			    416, 416, 416, 416, 416, 416, 416, 416, 416, 416, 416, 416, 416,
			    416, 416, 416, 416, 416, 416, 416, 416, 416, 416, 416, 416, 416,
			    416, 416, 416, 416, 416, 416, 416, 416
			]

			SCREAMING_SNAKE_CASE  :     Optional[int]		    =       [
			    1755, 1061, 234, 1755, 1061, 1755, 185, 290, 307, 307, 616, 616,
			    616, 616, 616, 616, 307, 290, 417, 1755, 234, 1755, 185, 290,
			    290, 290, 307, 616, 616, 616, 616, 616, 290, 234, 234, 1755,
			    234, 234, 1755, 234, 185, 185, 307, 616, 616, 616, 616, 290,
			    1755, 1755, 1755, 234, 234, 1755, 1572, 290, 307, 616, 34, 616
			]
			SCREAMING_SNAKE_CASE  :     Optional[int]		    =       [
			    854, 842, 1353, 114, 1353, 842, 185, 842, 185, 114, 591, 842, 185,
			    417, 185, 842, 307, 842, 591, 842, 185, 842, 185, 842, 591, 842,
			    1353, 842, 185, 842, 591, 842, 591, 114, 591, 842, 185, 842, 591,
			    89, 591, 842, 591, 842, 591, 417, 1372, 842, 1372, 842, 34, 842,
			    185, 89, 591, 842, 185, 842, 591, 632
			]

			SCREAMING_SNAKE_CASE  :     Any		    =       [
			    1489, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653,
			    653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653,
			    653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653,
			    653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653,
			    653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653
			]
			SCREAMING_SNAKE_CASE  :     Optional[Any]		    =       [
			    1489, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653,
			    653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653, 653,
			    653, 653, 653, 653, 653, 653, 653, 1853, 1177, 1536, 1228,
			    710, 475, 1489, 1229, 1224, 231, 1224, 252, 1434, 653, 475,
			    1106, 1877, 1599, 1228, 1600, 1683, 1182, 1853, 475, 1864,
			    252, 1229, 1434, 2001
			]

			SCREAMING_SNAKE_CASE  :     List[str]		    =       [
			    1125, 1125, 416, 1125, 1125, 416, 1125, 1125, 416, 416, 1125, 416,
			    416, 416, 416, 416, 416, 416, 416, 416, 416, 416, 416, 416,
			    416, 416, 416, 416, 416, 416, 416, 416, 416, 416, 416, 416,
			    416, 416, 416, 416, 416, 416, 416, 416, 416, 416, 416, 416,
			    416, 416, 416, 416, 416, 416, 416, 416, 416, 416, 416, 416
			]
			SCREAMING_SNAKE_CASE  :     Optional[Any]		    =       [
			    491, 1755, 34, 1613, 1755, 417, 992, 1613, 222, 842, 1353, 1613,
			    844, 632, 185, 1613, 844, 632, 185, 1613, 185, 842, 677, 1613,
			    185, 114, 1353, 1613, 307, 89, 844, 1613, 307, 1332, 234, 1979,
			    307, 89, 1353, 616, 34, 842, 185, 842, 34, 842, 185, 842,
			    307, 114, 185, 89, 34, 1268, 185, 89, 34, 842, 185, 89
			]







			def        snake_case__(  self				:       List[Any]							,     _UpperCamelCase				:       List[str]							)   ->List[Any]:
									snake_case_     =			JukeboxTokenizer.from_pretrained(_UpperCamelCase							)
									snake_case_     =			tokenizer(**self.metas							)['''input_ids''']
									return tokens







			@slow
			def        snake_case__(  self				:       List[Any]							)   ->Any:
									snake_case_     =			JukeboxModel.from_pretrained(self.model_id							,     min_duration=0							).eval()
									snake_case_     =			self.prepare_inputs(self.model_id							)

									set_seed(0							)
									snake_case_     =			[torch.zeros(1							,     0							,     dtype=torch.long							).cpu() for _ in range(3							)]
									snake_case_     =			model._sample(_UpperCamelCase							,     _UpperCamelCase							,     [0]							,     sample_length=6_0 * model.priors[0].raw_to_tokens							,     save_results=_UpperCamelCase							)
									self.assertIn(zs[0][0].detach().cpu().tolist()							,     [self.EXPECTED_OUTPUT_2, self.EXPECTED_OUTPUT_2_PT_2]							)

									set_seed(0							)
									snake_case_     =			model._sample(_UpperCamelCase							,     _UpperCamelCase							,     [1]							,     sample_length=6_0 * model.priors[1].raw_to_tokens							,     save_results=_UpperCamelCase							)
									self.assertIn(zs[1][0].detach().cpu().tolist()							,     [self.EXPECTED_OUTPUT_1, self.EXPECTED_OUTPUT_1_PT_2]							)

									set_seed(0							)
									snake_case_     =			model._sample(_UpperCamelCase							,     _UpperCamelCase							,     [2]							,     sample_length=6_0 * model.priors[2].raw_to_tokens							,     save_results=_UpperCamelCase							)
									self.assertIn(zs[2][0].detach().cpu().tolist()							,     [self.EXPECTED_OUTPUT_0, self.EXPECTED_OUTPUT_0_PT_2]							)







			@slow
			@skip('''Not enough GPU memory on CI runners'''							)
			def        snake_case__(  self				:       Optional[int]							)   ->List[str]:
									snake_case_     =			JukeboxModel.from_pretrained(self.model_id							,     min_duration=0							).eval()
									snake_case_     =			[i.cuda() for i in self.prepare_inputs(self.model_id							)]

									set_seed(0							)
									model.priors[0].cuda()
									snake_case_     =			[torch.zeros(1							,     0							,     dtype=torch.long							).cuda() for _ in range(3							)]
									snake_case_     =			model._sample(_UpperCamelCase							,     _UpperCamelCase							,     [0]							,     sample_length=6_0 * model.priors[0].raw_to_tokens							,     save_results=_UpperCamelCase							)
									torch.testing.assert_allclose(zs[0][0].cpu()							,     torch.tensor(self.EXPECTED_GPU_OUTPUTS_2							)							)
									model.priors[0].cpu()

									set_seed(0							)
									model.priors[1].cuda()
									snake_case_     =			model._sample(_UpperCamelCase							,     _UpperCamelCase							,     [1]							,     sample_length=6_0 * model.priors[1].raw_to_tokens							,     save_results=_UpperCamelCase							)
									torch.testing.assert_allclose(zs[1][0].cpu()							,     torch.tensor(self.EXPECTED_GPU_OUTPUTS_1							)							)
									model.priors[1].cpu()

									set_seed(0							)
									model.priors[2].cuda()
									snake_case_     =			model._sample(_UpperCamelCase							,     _UpperCamelCase							,     [2]							,     sample_length=6_0 * model.priors[2].raw_to_tokens							,     save_results=_UpperCamelCase							)
									torch.testing.assert_allclose(zs[2][0].cpu()							,     torch.tensor(self.EXPECTED_GPU_OUTPUTS_0							)							)







			@slow
			def        snake_case__(  self				:       List[Any]							)   ->List[Any]:
									snake_case_     =			'''ArthurZ/jukebox_prior_0'''
									snake_case_     =			JukeboxPrior.from_pretrained(_UpperCamelCase							,     min_duration=0							).eval().half().to('''cuda'''							)

									snake_case_     =			self.prepare_inputs(_UpperCamelCase							)[0].cuda()
									snake_case_     =			model.get_metadata(_UpperCamelCase							,     0							,     7_6_8_0							,     0							)
									set_seed(0							)
									snake_case_     =			model.sample(1							,     metadata=_UpperCamelCase							,     sample_tokens=6_0							)
									self.assertIn(outputs[0].cpu().tolist()							,     [self.EXPECTED_GPU_OUTPUTS_2, self.EXPECTED_GPU_OUTPUTS_2_PT_2]							)