


'''simple docstring'''






def    _snake_case  (	A			)		->       str:
							return "".join([hex(A			)[2:].zfill(2			).upper() for byte in list(A			)]			)


def    _snake_case  (	A			)		->       bytes:
							# Check data validity, following RFC3548
							# https://www.ietf.org/rfc/rfc3548.txt
							if (len(A			) % 2) != 0:
														raise ValueError(
														    '''Base16 encoded data is invalid:
Data does not have an even number of hex digits.'''			)
							# Check the character set - the standard base16 alphabet
							# is uppercase according to RFC3548 section 6
							if not set(A			) <= set('''0123456789ABCDEF'''			):
														raise ValueError(
														    '''Base16 encoded data is invalid:
Data is not uppercase hex or it contains invalid characters.'''			)
							# For every two hexadecimal digits (= a byte), turn it into an integer.
							# Then, string the result together into bytes, and return it.
							return bytes(int(data[i] + data[i + 1]					,       16			) for i in range(0					,       len(A			)					,       2			)			)


if __name__ == "__main__":
		import doctest

		doctest.testmod()



'''simple docstring'''






import gc
import unittest

import numpy as np
import torch
from transformers import CLIPTextConfig, CLIPTextModel, XLMRobertaTokenizer

from diffusers import AltDiffusionPipeline, AutoencoderKL, DDIMScheduler, PNDMScheduler, UNetaDConditionModel
from diffusers.pipelines.alt_diffusion.modeling_roberta_series import (
    RobertaSeriesConfig,
    RobertaSeriesModelWithTransformation,
)
from diffusers.utils import slow, torch_device
from diffusers.utils.testing_utils import enable_full_determinism, require_torch_gpu

from ..pipeline_params import TEXT_TO_IMAGE_BATCH_PARAMS, TEXT_TO_IMAGE_IMAGE_PARAMS, TEXT_TO_IMAGE_PARAMS
from ..test_pipelines_common import PipelineKarrasSchedulerTesterMixin, PipelineLatentTesterMixin, PipelineTesterMixin


enable_full_determinism()




class 						a__							(				a__							,							a__							,							a__							,							unittest.TestCase    ):





							'''simple docstring'''






							lowercase__     :  Optional[Any]      		= AltDiffusionPipeline
							lowercase__     :  Dict      		= TEXT_TO_IMAGE_PARAMS
							lowercase__     :  str      		= TEXT_TO_IMAGE_BATCH_PARAMS
							lowercase__     :  Any      		= TEXT_TO_IMAGE_IMAGE_PARAMS
							lowercase__     :  List[str]      		= TEXT_TO_IMAGE_IMAGE_PARAMS







							def     __SCREAMING_SNAKE_CASE				(						self  )			->				str:
														torch.manual_seed(0  )
														lowerCAmelCase__			  =      UNetaDConditionModel(
														    block_out_channels=(32, 64)   ,       layers_per_block=2   ,       sample_size=32   ,       in_channels=4   ,       out_channels=4   ,       down_block_types=('''DownBlock2D''', '''CrossAttnDownBlock2D''')   ,       up_block_types=('''CrossAttnUpBlock2D''', '''UpBlock2D''')   ,       cross_attention_dim=32   ,       )
														lowerCAmelCase__			  =      DDIMScheduler(
														    beta_start=0.00_085   ,       beta_end=0.012   ,       beta_schedule='''scaled_linear'''   ,       clip_sample=lowerCamelCase_   ,       set_alpha_to_one=lowerCamelCase_   ,       )
														torch.manual_seed(0  )
														lowerCAmelCase__			  =      AutoencoderKL(
														    block_out_channels=[32, 64]   ,       in_channels=3   ,       out_channels=3   ,       down_block_types=['''DownEncoderBlock2D''', '''DownEncoderBlock2D''']   ,       up_block_types=['''UpDecoderBlock2D''', '''UpDecoderBlock2D''']   ,       latent_channels=4   ,       )

														# TODO: address the non-deterministic text encoder (fails for save-load tests)
														# torch.manual_seed(0)
														# text_encoder_config = RobertaSeriesConfig(
														#     hidden_size=32,
														#     project_dim=32,
														#     intermediate_size=37,
														#     layer_norm_eps=1e-05,
														#     num_attention_heads=4,
														#     num_hidden_layers=5,
														#     vocab_size=5002,
														# )
														# text_encoder = RobertaSeriesModelWithTransformation(text_encoder_config)

														torch.manual_seed(0  )
														lowerCAmelCase__			  =      CLIPTextConfig(
														    bos_token_id=0   ,       eos_token_id=2   ,       hidden_size=32   ,       projection_dim=32   ,       intermediate_size=37   ,       layer_norm_eps=1e-05   ,       num_attention_heads=4   ,       num_hidden_layers=5   ,       pad_token_id=1   ,       vocab_size=50_02   ,       )
														lowerCAmelCase__			  =      CLIPTextModel(lowerCamelCase_  )

														lowerCAmelCase__			  =      XLMRobertaTokenizer.from_pretrained('''hf-internal-testing/tiny-xlm-roberta'''  )
														lowerCAmelCase__			  =      77

														lowerCAmelCase__			  =      {
														    '''unet''': unet,
														    '''scheduler''': scheduler,
														    '''vae''': vae,
														    '''text_encoder''': text_encoder,
														    '''tokenizer''': tokenizer,
														    '''safety_checker''': None,
														    '''feature_extractor''': None,
														}
														return components







							def     __SCREAMING_SNAKE_CASE				(						self   ,       lowerCamelCase_   ,       lowerCamelCase_=0  )			->				List[str]:
														if str(lowerCamelCase_  ).startswith('''mps'''  ):
																					lowerCAmelCase__			  =      torch.manual_seed(lowerCamelCase_  )
														else:
																					lowerCAmelCase__			  =      torch.Generator(device=lowerCamelCase_  ).manual_seed(lowerCamelCase_  )
														lowerCAmelCase__			  =      {
														    '''prompt''': '''A painting of a squirrel eating a burger''',
														    '''generator''': generator,
														    '''num_inference_steps''': 2,
														    '''guidance_scale''': 6.0,
														    '''output_type''': '''numpy''',
														}
														return inputs







							def     __SCREAMING_SNAKE_CASE				(						self  )			->				Union[str, Any]:
														super().test_attention_slicing_forward_pass(expected_max_diff=3e-3  )







							def     __SCREAMING_SNAKE_CASE				(						self  )			->				Optional[int]:
														super().test_inference_batch_single_identical(expected_max_diff=3e-3  )







							def     __SCREAMING_SNAKE_CASE				(						self  )			->				List[str]:
														lowerCAmelCase__			  =      '''cpu'''  # ensure determinism for the device-dependent torch.Generator

														lowerCAmelCase__			  =      self.get_dummy_components()
														torch.manual_seed(0  )
														lowerCAmelCase__			  =      RobertaSeriesConfig(
														    hidden_size=32   ,       project_dim=32   ,       intermediate_size=37   ,       layer_norm_eps=1e-05   ,       num_attention_heads=4   ,       num_hidden_layers=5   ,       vocab_size=50_02   ,       )
														# TODO: remove after fixing the non-deterministic text encoder
														lowerCAmelCase__			  =      RobertaSeriesModelWithTransformation(lowerCamelCase_  )
														lowerCAmelCase__			  =      text_encoder

														lowerCAmelCase__			  =      AltDiffusionPipeline(**lowerCamelCase_  )
														lowerCAmelCase__			  =      alt_pipe.to(lowerCamelCase_  )
														alt_pipe.set_progress_bar_config(disable=lowerCamelCase_  )

														lowerCAmelCase__			  =      self.get_dummy_inputs(lowerCamelCase_  )
														lowerCAmelCase__			  =      '''A photo of an astronaut'''
														lowerCAmelCase__			  =      alt_pipe(**lowerCamelCase_  )
														lowerCAmelCase__			  =      output.images
														lowerCAmelCase__			  =      image[0, -3:, -3:, -1]

														assert image.shape == (1, 64, 64, 3)
														lowerCAmelCase__			  =      np.array(
														    [0.5_748_162, 0.60_447_145, 0.48_821_217, 0.50_100_636, 0.5_431_185, 0.45_763_683, 0.49_657_696, 0.48_132_733, 0.47_573_093]  )

														assert np.abs(image_slice.flatten() - expected_slice  ).max() < 1e-2







							def     __SCREAMING_SNAKE_CASE				(						self  )			->				List[Any]:
														lowerCAmelCase__			  =      '''cpu'''  # ensure determinism for the device-dependent torch.Generator

														lowerCAmelCase__			  =      self.get_dummy_components()
														lowerCAmelCase__			  =      PNDMScheduler(skip_prk_steps=lowerCamelCase_  )
														torch.manual_seed(0  )
														lowerCAmelCase__			  =      RobertaSeriesConfig(
														    hidden_size=32   ,       project_dim=32   ,       intermediate_size=37   ,       layer_norm_eps=1e-05   ,       num_attention_heads=4   ,       num_hidden_layers=5   ,       vocab_size=50_02   ,       )
														# TODO: remove after fixing the non-deterministic text encoder
														lowerCAmelCase__			  =      RobertaSeriesModelWithTransformation(lowerCamelCase_  )
														lowerCAmelCase__			  =      text_encoder
														lowerCAmelCase__			  =      AltDiffusionPipeline(**lowerCamelCase_  )
														lowerCAmelCase__			  =      alt_pipe.to(lowerCamelCase_  )
														alt_pipe.set_progress_bar_config(disable=lowerCamelCase_  )

														lowerCAmelCase__			  =      self.get_dummy_inputs(lowerCamelCase_  )
														lowerCAmelCase__			  =      alt_pipe(**lowerCamelCase_  )
														lowerCAmelCase__			  =      output.images
														lowerCAmelCase__			  =      image[0, -3:, -3:, -1]

														assert image.shape == (1, 64, 64, 3)
														lowerCAmelCase__			  =      np.array(
														    [0.51_605_093, 0.5_707_241, 0.47_365_507, 0.50_578_886, 0.5_633_877, 0.4_642_503, 0.5_182_081, 0.48_763_484, 0.49_084_237]  )

														assert np.abs(image_slice.flatten() - expected_slice  ).max() < 1e-2




@slow
@require_torch_gpu
class 						a__							(				unittest.TestCase    ):





							'''simple docstring'''






							def     __SCREAMING_SNAKE_CASE				(						self  )			->				Tuple:
														# clean up the VRAM after each test
														super().tearDown()
														gc.collect()
														torch.cuda.empty_cache()







							def     __SCREAMING_SNAKE_CASE				(						self  )			->				List[Any]:
														# make sure here that pndm scheduler skips prk
														lowerCAmelCase__			  =      AltDiffusionPipeline.from_pretrained('''BAAI/AltDiffusion'''   ,       safety_checker=lowerCamelCase_  )
														lowerCAmelCase__			  =      alt_pipe.to(lowerCamelCase_  )
														alt_pipe.set_progress_bar_config(disable=lowerCamelCase_  )

														lowerCAmelCase__			  =      '''A painting of a squirrel eating a burger'''
														lowerCAmelCase__			  =      torch.manual_seed(0  )
														lowerCAmelCase__			  =      alt_pipe([prompt]   ,       generator=lowerCamelCase_   ,       guidance_scale=6.0   ,       num_inference_steps=20   ,       output_type='''np'''  )

														lowerCAmelCase__			  =      output.images

														lowerCAmelCase__			  =      image[0, -3:, -3:, -1]

														assert image.shape == (1, 5_12, 5_12, 3)
														lowerCAmelCase__			  =      np.array([0.1_010, 0.0_800, 0.0_794, 0.0_885, 0.0_843, 0.0_762, 0.0_769, 0.0_729, 0.0_586]  )

														assert np.abs(image_slice.flatten() - expected_slice  ).max() < 1e-2







							def     __SCREAMING_SNAKE_CASE				(						self  )			->				Any:
														lowerCAmelCase__			  =      DDIMScheduler.from_pretrained('''BAAI/AltDiffusion'''   ,       subfolder='''scheduler'''  )

														lowerCAmelCase__			  =      AltDiffusionPipeline.from_pretrained('''BAAI/AltDiffusion'''   ,       scheduler=lowerCamelCase_   ,       safety_checker=lowerCamelCase_  )
														lowerCAmelCase__			  =      alt_pipe.to(lowerCamelCase_  )
														alt_pipe.set_progress_bar_config(disable=lowerCamelCase_  )

														lowerCAmelCase__			  =      '''A painting of a squirrel eating a burger'''
														lowerCAmelCase__			  =      torch.manual_seed(0  )

														lowerCAmelCase__			  =      alt_pipe([prompt]   ,       generator=lowerCamelCase_   ,       num_inference_steps=2   ,       output_type='''numpy'''  )
														lowerCAmelCase__			  =      output.images

														lowerCAmelCase__			  =      image[0, -3:, -3:, -1]

														assert image.shape == (1, 5_12, 5_12, 3)
														lowerCAmelCase__			  =      np.array([0.4_019, 0.4_052, 0.3_810, 0.4_119, 0.3_916, 0.3_982, 0.4_651, 0.4_195, 0.5_323]  )

														assert np.abs(image_slice.flatten() - expected_slice  ).max() < 1e-2