


def 	_lowerCAmelCase       (    _lowerCAmelCase )						->	int:


						'''simple docstring'''






						if not isinstance(_lowerCAmelCase      ,	_lowerCAmelCase ):
												raise ValueError("Input must be an integer" )
						if input_num <= 0:
												raise ValueError("Input must be positive" )
						return sum(
						    divisor for divisor in range(1      ,	input_num // 2 + 1 ) if input_num % divisor == 0 )


if __name__ == "__main__":
	import doctest

	doctest.testmod()









import gc
import random
import tempfile
import unittest

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

from diffusers import AutoencoderKL, DDIMScheduler, LMSDiscreteScheduler, PNDMScheduler, UNetaDConditionModel
from diffusers.pipelines.stable_diffusion_safe import StableDiffusionPipelineSafe as StableDiffusionPipeline
from diffusers.utils import floats_tensor, nightly, torch_device
from diffusers.utils.testing_utils import require_torch_gpu






class     UpperCamelCase(  unittest.TestCase   ):


					def 							SCREAMING_SNAKE_CASE_  (						self	:		str						)			->	Dict:




											'''simple docstring'''

											super().tearDown()
											gc.collect()
											torch.cuda.empty_cache()


					@property
					def 							SCREAMING_SNAKE_CASE_  (						self	:		Tuple						)			->	Optional[Any]:




											'''simple docstring'''

											__snake_case				=		1
											__snake_case				=		3
											__snake_case				=		(3_2, 3_2)

											__snake_case				=		floats_tensor((batch_size, num_channels) + sizes     ,    rng=random.Random(0						)						).to(SCREAMING_SNAKE_CASE						)
											return image


					@property
					def 							SCREAMING_SNAKE_CASE_  (						self	:		int						)			->	Any:




											'''simple docstring'''

											torch.manual_seed(0						)
											__snake_case				=		UNetaDConditionModel(
											    block_out_channels=(3_2, 6_4)     ,    layers_per_block=2     ,    sample_size=3_2     ,    in_channels=4     ,    out_channels=4     ,    down_block_types=("DownBlock2D", "CrossAttnDownBlock2D")     ,    up_block_types=("CrossAttnUpBlock2D", "UpBlock2D")     ,    cross_attention_dim=3_2     ,    )
											return model


					@property
					def 							SCREAMING_SNAKE_CASE_  (						self	:		Any						)			->	str:




											'''simple docstring'''

											torch.manual_seed(0						)
											__snake_case				=		AutoencoderKL(
											    block_out_channels=[3_2, 6_4]     ,    in_channels=3     ,    out_channels=3     ,    down_block_types=["DownEncoderBlock2D", "DownEncoderBlock2D"]     ,    up_block_types=["UpDecoderBlock2D", "UpDecoderBlock2D"]     ,    latent_channels=4     ,    )
											return model


					@property
					def 							SCREAMING_SNAKE_CASE_  (						self	:		List[str]						)			->	int:




											'''simple docstring'''

											torch.manual_seed(0						)
											__snake_case				=		CLIPTextConfig(
											    bos_token_id=0     ,    eos_token_id=2     ,    hidden_size=3_2     ,    intermediate_size=3_7     ,    layer_norm_eps=1e-0_5     ,    num_attention_heads=4     ,    num_hidden_layers=5     ,    pad_token_id=1     ,    vocab_size=1_0_0_0     ,    )
											return CLIPTextModel(SCREAMING_SNAKE_CASE						)


					@property
					def 							SCREAMING_SNAKE_CASE_  (						self	:		Optional[Any]						)			->	str:




											'''simple docstring'''

											def extract(*SCREAMING_SNAKE_CASE	:		List[str]     ,    **SCREAMING_SNAKE_CASE	:		List[Any]						):






																	class     UpperCamelCase:


																						def __init__(						self	:		Dict						)			->	Union[str, Any]:




																												'''simple docstring'''

																												__snake_case				=		torch.ones([0]						)






																						def 							SCREAMING_SNAKE_CASE_  (						self	:		Optional[Any]     ,    SCREAMING_SNAKE_CASE	:		Optional[Any]						)			->	List[Any]:




																												'''simple docstring'''

																												self.pixel_values.to(SCREAMING_SNAKE_CASE						)
																												return self




																	return Out()

											return extract


					def 							SCREAMING_SNAKE_CASE_  (						self	:		Dict						)			->	Dict:




											'''simple docstring'''

											__snake_case				=		"cpu"  # ensure determinism for the device-dependent torch.Generator
											__snake_case				=		self.dummy_cond_unet
											__snake_case				=		DDIMScheduler(
											    beta_start=0.00085     ,    beta_end=0.012     ,    beta_schedule="scaled_linear"     ,    clip_sample=SCREAMING_SNAKE_CASE     ,    set_alpha_to_one=SCREAMING_SNAKE_CASE     ,    )

											__snake_case				=		self.dummy_vae
											__snake_case				=		self.dummy_text_encoder
											__snake_case				=		CLIPTokenizer.from_pretrained("hf-internal-testing/tiny-random-clip"						)

											# make sure here that pndm scheduler skips prk
											__snake_case				=		StableDiffusionPipeline(
											    unet=SCREAMING_SNAKE_CASE     ,    scheduler=SCREAMING_SNAKE_CASE     ,    vae=SCREAMING_SNAKE_CASE     ,    text_encoder=SCREAMING_SNAKE_CASE     ,    tokenizer=SCREAMING_SNAKE_CASE     ,    safety_checker=SCREAMING_SNAKE_CASE     ,    feature_extractor=self.dummy_extractor     ,    )
											__snake_case				=		sd_pipe.to(SCREAMING_SNAKE_CASE						)
											sd_pipe.set_progress_bar_config(disable=SCREAMING_SNAKE_CASE						)

											__snake_case				=		"A painting of a squirrel eating a burger"

											__snake_case				=		torch.Generator(device=SCREAMING_SNAKE_CASE						).manual_seed(0						)
											__snake_case				=		sd_pipe([prompt]     ,    generator=SCREAMING_SNAKE_CASE     ,    guidance_scale=6.0     ,    num_inference_steps=2     ,    output_type="np"						)
											__snake_case				=		output.images

											__snake_case				=		torch.Generator(device=SCREAMING_SNAKE_CASE						).manual_seed(0						)
											__snake_case				=		sd_pipe(
											    [prompt]     ,    generator=SCREAMING_SNAKE_CASE     ,    guidance_scale=6.0     ,    num_inference_steps=2     ,    output_type="np"     ,    return_dict=SCREAMING_SNAKE_CASE     ,    )[0]

											__snake_case				=		image[0, -3:, -3:, -1]
											__snake_case				=		image_from_tuple[0, -3:, -3:, -1]

											assert image.shape == (1, 6_4, 6_4, 3)
											__snake_case				=		np.array([0.5756, 0.6118, 0.5005, 0.5041, 0.5471, 0.4726, 0.4976, 0.4865, 0.4864]						)

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


					def 							SCREAMING_SNAKE_CASE_  (						self	:		Any						)			->	Tuple:




											'''simple docstring'''

											__snake_case				=		"cpu"  # ensure determinism for the device-dependent torch.Generator
											__snake_case				=		self.dummy_cond_unet
											__snake_case				=		PNDMScheduler(skip_prk_steps=SCREAMING_SNAKE_CASE						)
											__snake_case				=		self.dummy_vae
											__snake_case				=		self.dummy_text_encoder
											__snake_case				=		CLIPTokenizer.from_pretrained("hf-internal-testing/tiny-random-clip"						)

											# make sure here that pndm scheduler skips prk
											__snake_case				=		StableDiffusionPipeline(
											    unet=SCREAMING_SNAKE_CASE     ,    scheduler=SCREAMING_SNAKE_CASE     ,    vae=SCREAMING_SNAKE_CASE     ,    text_encoder=SCREAMING_SNAKE_CASE     ,    tokenizer=SCREAMING_SNAKE_CASE     ,    safety_checker=SCREAMING_SNAKE_CASE     ,    feature_extractor=self.dummy_extractor     ,    )
											__snake_case				=		sd_pipe.to(SCREAMING_SNAKE_CASE						)
											sd_pipe.set_progress_bar_config(disable=SCREAMING_SNAKE_CASE						)

											__snake_case				=		"A painting of a squirrel eating a burger"
											__snake_case				=		torch.Generator(device=SCREAMING_SNAKE_CASE						).manual_seed(0						)
											__snake_case				=		sd_pipe([prompt]     ,    generator=SCREAMING_SNAKE_CASE     ,    guidance_scale=6.0     ,    num_inference_steps=2     ,    output_type="np"						)

											__snake_case				=		output.images

											__snake_case				=		torch.Generator(device=SCREAMING_SNAKE_CASE						).manual_seed(0						)
											__snake_case				=		sd_pipe(
											    [prompt]     ,    generator=SCREAMING_SNAKE_CASE     ,    guidance_scale=6.0     ,    num_inference_steps=2     ,    output_type="np"     ,    return_dict=SCREAMING_SNAKE_CASE     ,    )[0]

											__snake_case				=		image[0, -3:, -3:, -1]
											__snake_case				=		image_from_tuple[0, -3:, -3:, -1]

											assert image.shape == (1, 6_4, 6_4, 3)
											__snake_case				=		np.array([0.5125, 0.5716, 0.4828, 0.5060, 0.5650, 0.4768, 0.5185, 0.4895, 0.4993]						)

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


					def 							SCREAMING_SNAKE_CASE_  (						self	:		List[str]						)			->	List[Any]:




											'''simple docstring'''

											__snake_case				=		StableDiffusionPipeline.from_pretrained(
											    "hf-internal-testing/tiny-stable-diffusion-lms-pipe"     ,    safety_checker=SCREAMING_SNAKE_CASE						)
											assert isinstance(SCREAMING_SNAKE_CASE     ,    SCREAMING_SNAKE_CASE						)
											assert isinstance(pipe.scheduler     ,    SCREAMING_SNAKE_CASE						)
											assert pipe.safety_checker is None

											__snake_case				=		pipe("example prompt"     ,    num_inference_steps=2						).images[0]
											assert image is not None

											# check that there's no error when saving a pipeline with one of the models being None
											with tempfile.TemporaryDirectory() as tmpdirname:
																	pipe.save_pretrained(SCREAMING_SNAKE_CASE						)
																	__snake_case				=		StableDiffusionPipeline.from_pretrained(SCREAMING_SNAKE_CASE						)

											# sanity check that the pipeline still works
											assert pipe.safety_checker is None
											__snake_case				=		pipe("example prompt"     ,    num_inference_steps=2						).images[0]
											assert image is not None






					@unittest.skipIf(torch_device != "cuda"     ,    "This test requires a GPU"						)
					def 							SCREAMING_SNAKE_CASE_  (						self	:		Union[str, Any]						)			->	int:




											'''simple docstring'''

											__snake_case				=		self.dummy_cond_unet
											__snake_case				=		PNDMScheduler(skip_prk_steps=SCREAMING_SNAKE_CASE						)
											__snake_case				=		self.dummy_vae
											__snake_case				=		self.dummy_text_encoder
											__snake_case				=		CLIPTokenizer.from_pretrained("hf-internal-testing/tiny-random-clip"						)

											# put models in fp16
											__snake_case				=		unet.half()
											__snake_case				=		vae.half()
											__snake_case				=		bert.half()

											# make sure here that pndm scheduler skips prk
											__snake_case				=		StableDiffusionPipeline(
											    unet=SCREAMING_SNAKE_CASE     ,    scheduler=SCREAMING_SNAKE_CASE     ,    vae=SCREAMING_SNAKE_CASE     ,    text_encoder=SCREAMING_SNAKE_CASE     ,    tokenizer=SCREAMING_SNAKE_CASE     ,    safety_checker=SCREAMING_SNAKE_CASE     ,    feature_extractor=self.dummy_extractor     ,    )
											__snake_case				=		sd_pipe.to(SCREAMING_SNAKE_CASE						)
											sd_pipe.set_progress_bar_config(disable=SCREAMING_SNAKE_CASE						)

											__snake_case				=		"A painting of a squirrel eating a burger"
											__snake_case				=		sd_pipe([prompt]     ,    num_inference_steps=2     ,    output_type="np"						).images

											assert image.shape == (1, 6_4, 6_4, 3)






@nightly
@require_torch_gpu
class     UpperCamelCase(  unittest.TestCase   ):


					def 							SCREAMING_SNAKE_CASE_  (						self	:		List[str]						)			->	Tuple:




											'''simple docstring'''

											super().tearDown()
											gc.collect()
											torch.cuda.empty_cache()


					def 							SCREAMING_SNAKE_CASE_  (						self	:		List[Any]						)			->	Optional[Any]:




											'''simple docstring'''

											__snake_case				=		StableDiffusionPipeline.from_pretrained("runwayml/stable-diffusion-v1-5"     ,    safety_checker=SCREAMING_SNAKE_CASE						)
											__snake_case				=		LMSDiscreteScheduler.from_config(sd_pipe.scheduler.config						)
											__snake_case				=		sd_pipe.to(SCREAMING_SNAKE_CASE						)
											sd_pipe.set_progress_bar_config(disable=SCREAMING_SNAKE_CASE						)

											__snake_case				=		(
											    "portrait of girl with smokey eyes makeup in abandoned hotel, grange clothes, redshift, wide high angle"
											    " coloured polaroid photograph with flash, kodak film, hyper real, stunning moody cinematography, with"
											    " anamorphic lenses, by maripol, fallen angels by wong kar - wai, style of suspiria and neon demon and"
											    " children from bahnhof zoo, detailed "
											)
											__snake_case				=		4_0_0_3_6_6_0_3_4_6
											__snake_case				=		7

											# without safety guidance (sld_guidance_scale = 0)
											__snake_case				=		torch.manual_seed(SCREAMING_SNAKE_CASE						)
											__snake_case				=		sd_pipe(
											    [prompt]     ,    generator=SCREAMING_SNAKE_CASE     ,    guidance_scale=SCREAMING_SNAKE_CASE     ,    num_inference_steps=5_0     ,    output_type="np"     ,    width=5_1_2     ,    height=5_1_2     ,    sld_guidance_scale=0     ,    )

											__snake_case				=		output.images
											__snake_case				=		image[0, -3:, -3:, -1]
											__snake_case				=		[0.2278, 0.2231, 0.2249, 0.2333, 0.2303, 0.1885, 0.2273, 0.2144, 0.2176]

											assert image.shape == (1, 5_1_2, 5_1_2, 3)

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

											# without safety guidance (strong configuration)
											__snake_case				=		torch.manual_seed(SCREAMING_SNAKE_CASE						)
											__snake_case				=		sd_pipe(
											    [prompt]     ,    generator=SCREAMING_SNAKE_CASE     ,    guidance_scale=SCREAMING_SNAKE_CASE     ,    num_inference_steps=5_0     ,    output_type="np"     ,    width=5_1_2     ,    height=5_1_2     ,    sld_guidance_scale=2_0_0_0     ,    sld_warmup_steps=7     ,    sld_threshold=0.025     ,    sld_momentum_scale=0.5     ,    sld_mom_beta=0.7     ,    )

											__snake_case				=		output.images
											__snake_case				=		image[0, -3:, -3:, -1]
											__snake_case				=		[0.2383, 0.2276, 0.236, 0.2192, 0.2186, 0.2053, 0.1971, 0.1901, 0.1719]

											assert image.shape == (1, 5_1_2, 5_1_2, 3)

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


					def 							SCREAMING_SNAKE_CASE_  (						self	:		Tuple						)			->	List[str]:




											'''simple docstring'''

											__snake_case				=		StableDiffusionPipeline.from_pretrained("runwayml/stable-diffusion-v1-5"     ,    safety_checker=SCREAMING_SNAKE_CASE						)
											__snake_case				=		LMSDiscreteScheduler.from_config(sd_pipe.scheduler.config						)
											__snake_case				=		sd_pipe.to(SCREAMING_SNAKE_CASE						)
											sd_pipe.set_progress_bar_config(disable=SCREAMING_SNAKE_CASE						)

											__snake_case				=		"padme amidala taking a bath artwork, safe for work, no nudity"
											__snake_case				=		2_7_3_4_9_7_1_7_5_5
											__snake_case				=		7

											__snake_case				=		torch.manual_seed(SCREAMING_SNAKE_CASE						)
											__snake_case				=		sd_pipe(
											    [prompt]     ,    generator=SCREAMING_SNAKE_CASE     ,    guidance_scale=SCREAMING_SNAKE_CASE     ,    num_inference_steps=5_0     ,    output_type="np"     ,    width=5_1_2     ,    height=5_1_2     ,    sld_guidance_scale=0     ,    )

											__snake_case				=		output.images
											__snake_case				=		image[0, -3:, -3:, -1]
											__snake_case				=		[0.3502, 0.3622, 0.3396, 0.3642, 0.3478, 0.3318, 0.35, 0.3348, 0.3297]

											assert image.shape == (1, 5_1_2, 5_1_2, 3)

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

											__snake_case				=		torch.manual_seed(SCREAMING_SNAKE_CASE						)
											__snake_case				=		sd_pipe(
											    [prompt]     ,    generator=SCREAMING_SNAKE_CASE     ,    guidance_scale=SCREAMING_SNAKE_CASE     ,    num_inference_steps=5_0     ,    output_type="np"     ,    width=5_1_2     ,    height=5_1_2     ,    sld_guidance_scale=2_0_0_0     ,    sld_warmup_steps=7     ,    sld_threshold=0.025     ,    sld_momentum_scale=0.5     ,    sld_mom_beta=0.7     ,    )

											__snake_case				=		output.images
											__snake_case				=		image[0, -3:, -3:, -1]
											__snake_case				=		[0.5531, 0.5206, 0.4895, 0.5156, 0.5182, 0.4751, 0.4802, 0.4803, 0.4443]

											assert image.shape == (1, 5_1_2, 5_1_2, 3)

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






					def 							SCREAMING_SNAKE_CASE_  (						self	:		Dict						)			->	int:




											'''simple docstring'''

											__snake_case				=		StableDiffusionPipeline.from_pretrained("runwayml/stable-diffusion-v1-5"						)
											__snake_case				=		sd_pipe.to(SCREAMING_SNAKE_CASE						)
											sd_pipe.set_progress_bar_config(disable=SCREAMING_SNAKE_CASE						)

											__snake_case				=		(
											    "the four horsewomen of the apocalypse, painting by tom of finland, gaston bussiere, craig mullins, j. c."
											    " leyendecker"
											)
											__snake_case				=		1_0_4_4_3_5_5_2_3_4
											__snake_case				=		1_2

											__snake_case				=		torch.manual_seed(SCREAMING_SNAKE_CASE						)
											__snake_case				=		sd_pipe(
											    [prompt]     ,    generator=SCREAMING_SNAKE_CASE     ,    guidance_scale=SCREAMING_SNAKE_CASE     ,    num_inference_steps=5_0     ,    output_type="np"     ,    width=5_1_2     ,    height=5_1_2     ,    sld_guidance_scale=0     ,    )

											__snake_case				=		output.images
											__snake_case				=		image[0, -3:, -3:, -1]
											__snake_case				=		np.array([0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0]						)

											assert image.shape == (1, 5_1_2, 5_1_2, 3)

											assert np.abs(image_slice.flatten() - expected_slice						).max() < 1e-7

											__snake_case				=		torch.manual_seed(SCREAMING_SNAKE_CASE						)
											__snake_case				=		sd_pipe(
											    [prompt]     ,    generator=SCREAMING_SNAKE_CASE     ,    guidance_scale=SCREAMING_SNAKE_CASE     ,    num_inference_steps=5_0     ,    output_type="np"     ,    width=5_1_2     ,    height=5_1_2     ,    sld_guidance_scale=2_0_0_0     ,    sld_warmup_steps=7     ,    sld_threshold=0.025     ,    sld_momentum_scale=0.5     ,    sld_mom_beta=0.7     ,    )

											__snake_case				=		output.images
											__snake_case				=		image[0, -3:, -3:, -1]
											__snake_case				=		np.array([0.5818, 0.6285, 0.6835, 0.6019, 0.625, 0.6754, 0.6096, 0.6334, 0.6561]						)
											assert image.shape == (1, 5_1_2, 5_1_2, 3)

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





