'''simple docstring'''





import colorsys

from PIL import Image  # type: ignore





def 	lowerCAmelCase_				(					snake_case_       : float					,    snake_case_       : float					,    snake_case_       : int			)    ->      float:


     '''simple docstring'''




     UpperCAmelCase_           =   x
     UpperCAmelCase_           =   y
     for step in range(snake_case_			):  # noqa: B007
          UpperCAmelCase_           =   a * a - b * b + x
          UpperCAmelCase_           =   2 * a * b + y
          UpperCAmelCase_           =   a_new

          # divergence happens for all complex number with an absolute value
          # greater than 4
          if a * a + b * b > 4:
               break
     return step / (max_step - 1)





def 	lowerCAmelCase_				(					snake_case_       : float			)    ->      tuple:


     '''simple docstring'''




     if distance == 1:
          return (0, 0, 0)
     else:
          return (2_55, 2_55, 2_55)





def 	lowerCAmelCase_				(					snake_case_       : float			)    ->      tuple:


     '''simple docstring'''




     if distance == 1:
          return (0, 0, 0)
     else:
          return tuple(round(i * 2_55			) for i in colorsys.hsv_to_rgb(snake_case_					,    1					,    1			)			)





def 	lowerCAmelCase_				(					snake_case_       : int = 8_00					,    snake_case_       : int = 6_00					,    snake_case_       : float = -0.6					,    snake_case_       : float = 0					,    snake_case_       : float = 3.2					,    snake_case_       : int = 50					,    snake_case_       : bool = True					,    )    ->      Image.Image:


     '''simple docstring'''




     UpperCAmelCase_           =   Image.new("RGB"					,    (image_width, image_height)			)
     UpperCAmelCase_           =   img.load()

     # loop through the image-coordinates
     for image_x in range(snake_case_			):
          for image_y in range(snake_case_			):
               # determine the figure-coordinates based on the image-coordinates
               UpperCAmelCase_           =   figure_width / image_width * image_height
               UpperCAmelCase_           =   figure_center_x + (image_x / image_width - 0.5) * figure_width
               UpperCAmelCase_           =   figure_center_y + (image_y / image_height - 0.5) * figure_height

               UpperCAmelCase_           =   get_distance(snake_case_					,    snake_case_					,    snake_case_			)

               # color the corresponding pixel based on the selected coloring-function
               if use_distance_color_coding:
                    UpperCAmelCase_           =   get_color_coded_rgb(snake_case_			)
               else:
                    UpperCAmelCase_           =   get_black_and_white_rgb(snake_case_			)

     return img


if __name__ == "__main__":
    import doctest

    doctest.testmod()

    # colored version, full figure
    SCREAMING_SNAKE_CASE_:     Tuple  =get_image()

    # uncomment for colored version, different section, zoomed in
    # img = get_image(figure_center_x = -0.6, figure_center_y = -0.4,
    # figure_width = 0.8)

    # uncomment for black and white version, full figure
    # img = get_image(use_distance_color_coding = False)

    # uncomment to save the image
    # img.save("mandelbrot.png")

    img.show()





'''simple docstring'''





import gc
import random
import unittest

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

from diffusers import AutoencoderKL, DDIMScheduler, DDPMScheduler, StableDiffusionUpscalePipeline, UNetaDConditionModel
from diffusers.utils import floats_tensor, load_image, load_numpy, slow, torch_device
from diffusers.utils.testing_utils import enable_full_determinism, require_torch_gpu


enable_full_determinism()




class        __A      ( unittest.TestCase	):



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



    @property
    def 					_lowercase						(self    :    str ):
         UpperCAmelCase_           =   1
         UpperCAmelCase_           =   3
         UpperCAmelCase_           =   (32, 32)

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



    @property
    def 					_lowercase						(self    :    int ):
         torch.manual_seed(0 )
         UpperCAmelCase_           =   UNetaDConditionModel(
             block_out_channels=(32, 32, 64)   ,			layers_per_block=2   ,			sample_size=32   ,			in_channels=7   ,			out_channels=4   ,			down_block_types=("DownBlock2D", "CrossAttnDownBlock2D", "CrossAttnDownBlock2D")   ,			up_block_types=("CrossAttnUpBlock2D", "CrossAttnUpBlock2D", "UpBlock2D")   ,			cross_attention_dim=32   ,			attention_head_dim=8   ,			use_linear_projection=__a   ,			only_cross_attention=(True, True, False)   ,			num_class_embeds=100   ,			)
         return model



    @property
    def 					_lowercase						(self    :    Any ):
         torch.manual_seed(0 )
         UpperCAmelCase_           =   AutoencoderKL(
             block_out_channels=[32, 32, 64]   ,			in_channels=3   ,			out_channels=3   ,			down_block_types=["DownEncoderBlock2D", "DownEncoderBlock2D", "DownEncoderBlock2D"]   ,			up_block_types=["UpDecoderBlock2D", "UpDecoderBlock2D", "UpDecoderBlock2D"]   ,			latent_channels=4   ,			)
         return model



    @property
    def 					_lowercase						(self    :    Optional[Any] ):
         torch.manual_seed(0 )
         UpperCAmelCase_           =   CLIPTextConfig(
             bos_token_id=0   ,			eos_token_id=2   ,			hidden_size=32   ,			intermediate_size=37   ,			layer_norm_eps=1E-05   ,			num_attention_heads=4   ,			num_hidden_layers=5   ,			pad_token_id=1   ,			vocab_size=1000   ,			hidden_act="gelu"   ,			projection_dim=512   ,			)
         return CLIPTextModel(__a )



    def 					_lowercase						(self    :    Any ):
         UpperCAmelCase_           =   "cpu"  # ensure determinism for the device-dependent torch.Generator
         UpperCAmelCase_           =   self.dummy_cond_unet_upscale
         UpperCAmelCase_           =   DDPMScheduler()
         UpperCAmelCase_           =   DDIMScheduler(prediction_type="v_prediction" )
         UpperCAmelCase_           =   self.dummy_vae
         UpperCAmelCase_           =   self.dummy_text_encoder
         UpperCAmelCase_           =   CLIPTokenizer.from_pretrained("hf-internal-testing/tiny-random-clip" )

         UpperCAmelCase_           =   self.dummy_image.cpu().permute(0   ,			2   ,			3   ,			1 )[0]
         UpperCAmelCase_           =   Image.fromarray(np.uinta(__a ) ).convert("RGB" ).resize((64, 64) )

         # make sure here that pndm scheduler skips prk
         UpperCAmelCase_           =   StableDiffusionUpscalePipeline(
             unet=__a   ,			low_res_scheduler=__a   ,			scheduler=__a   ,			vae=__a   ,			text_encoder=__a   ,			tokenizer=__a   ,			max_noise_level=350   ,			)
         UpperCAmelCase_           =   sd_pipe.to(__a )
         sd_pipe.set_progress_bar_config(disable=__a )

         UpperCAmelCase_           =   "A painting of a squirrel eating a burger"
         UpperCAmelCase_           =   torch.Generator(device=__a ).manual_seed(0 )
         UpperCAmelCase_           =   sd_pipe(
             [prompt]   ,			image=__a   ,			generator=__a   ,			guidance_scale=6.0   ,			noise_level=20   ,			num_inference_steps=2   ,			output_type="np"   ,			)

         UpperCAmelCase_           =   output.images

         UpperCAmelCase_           =   torch.Generator(device=__a ).manual_seed(0 )
         UpperCAmelCase_           =   sd_pipe(
             [prompt]   ,			image=__a   ,			generator=__a   ,			guidance_scale=6.0   ,			noise_level=20   ,			num_inference_steps=2   ,			output_type="np"   ,			return_dict=__a   ,			)[0]

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

         UpperCAmelCase_           =   low_res_image.size[0] * 4
         assert image.shape == (1, expected_height_width, expected_height_width, 3)
         UpperCAmelCase_           =   np.array([0.31_13, 0.39_10, 0.42_72, 0.48_59, 0.50_61, 0.46_52, 0.53_62, 0.57_15, 0.56_61] )

         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 					_lowercase						(self    :    Optional[int] ):
         UpperCAmelCase_           =   "cpu"  # ensure determinism for the device-dependent torch.Generator
         UpperCAmelCase_           =   self.dummy_cond_unet_upscale
         UpperCAmelCase_           =   DDPMScheduler()
         UpperCAmelCase_           =   DDIMScheduler(prediction_type="v_prediction" )
         UpperCAmelCase_           =   self.dummy_vae
         UpperCAmelCase_           =   self.dummy_text_encoder
         UpperCAmelCase_           =   CLIPTokenizer.from_pretrained("hf-internal-testing/tiny-random-clip" )

         UpperCAmelCase_           =   self.dummy_image.cpu().permute(0   ,			2   ,			3   ,			1 )[0]
         UpperCAmelCase_           =   Image.fromarray(np.uinta(__a ) ).convert("RGB" ).resize((64, 64) )

         # make sure here that pndm scheduler skips prk
         UpperCAmelCase_           =   StableDiffusionUpscalePipeline(
             unet=__a   ,			low_res_scheduler=__a   ,			scheduler=__a   ,			vae=__a   ,			text_encoder=__a   ,			tokenizer=__a   ,			max_noise_level=350   ,			)
         UpperCAmelCase_           =   sd_pipe.to(__a )
         sd_pipe.set_progress_bar_config(disable=__a )

         UpperCAmelCase_           =   "A painting of a squirrel eating a burger"
         UpperCAmelCase_           =   sd_pipe(
             2 * [prompt]   ,			image=2 * [low_res_image]   ,			guidance_scale=6.0   ,			noise_level=20   ,			num_inference_steps=2   ,			output_type="np"   ,			)
         UpperCAmelCase_           =   output.images
         assert image.shape[0] == 2

         UpperCAmelCase_           =   torch.Generator(device=__a ).manual_seed(0 )
         UpperCAmelCase_           =   sd_pipe(
             [prompt]   ,			image=__a   ,			generator=__a   ,			num_images_per_prompt=2   ,			guidance_scale=6.0   ,			noise_level=20   ,			num_inference_steps=2   ,			output_type="np"   ,			)
         UpperCAmelCase_           =   output.images
         assert image.shape[0] == 2






    @unittest.skipIf(torch_device != "cuda"   ,			"This test requires a GPU" )
    def 					_lowercase						(self    :    str ):
         UpperCAmelCase_           =   self.dummy_cond_unet_upscale
         UpperCAmelCase_           =   DDPMScheduler()
         UpperCAmelCase_           =   DDIMScheduler(prediction_type="v_prediction" )
         UpperCAmelCase_           =   self.dummy_vae
         UpperCAmelCase_           =   self.dummy_text_encoder
         UpperCAmelCase_           =   CLIPTokenizer.from_pretrained("hf-internal-testing/tiny-random-clip" )

         UpperCAmelCase_           =   self.dummy_image.cpu().permute(0   ,			2   ,			3   ,			1 )[0]
         UpperCAmelCase_           =   Image.fromarray(np.uinta(__a ) ).convert("RGB" ).resize((64, 64) )

         # put models in fp16, except vae as it overflows in fp16
         UpperCAmelCase_           =   unet.half()
         UpperCAmelCase_           =   text_encoder.half()

         # make sure here that pndm scheduler skips prk
         UpperCAmelCase_           =   StableDiffusionUpscalePipeline(
             unet=__a   ,			low_res_scheduler=__a   ,			scheduler=__a   ,			vae=__a   ,			text_encoder=__a   ,			tokenizer=__a   ,			max_noise_level=350   ,			)
         UpperCAmelCase_           =   sd_pipe.to(__a )
         sd_pipe.set_progress_bar_config(disable=__a )

         UpperCAmelCase_           =   "A painting of a squirrel eating a burger"
         UpperCAmelCase_           =   torch.manual_seed(0 )
         UpperCAmelCase_           =   sd_pipe(
             [prompt]   ,			image=__a   ,			generator=__a   ,			num_inference_steps=2   ,			output_type="np"   ,			).images

         UpperCAmelCase_           =   low_res_image.size[0] * 4
         assert image.shape == (1, expected_height_width, expected_height_width, 3)




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



    def 					_lowercase						(self    :    List[str] ):
         # clean up the VRAM after each test
         super().tearDown()
         gc.collect()
         torch.cuda.empty_cache()



    def 					_lowercase						(self    :    List[Any] ):
         UpperCAmelCase_           =   load_image(
             "https://huggingface.co/datasets/hf-internal-testing/diffusers-images/resolve/main"
             "/sd2-upscale/low_res_cat.png" )
         UpperCAmelCase_           =   load_numpy(
             "https://huggingface.co/datasets/hf-internal-testing/diffusers-images/resolve/main/sd2-upscale"
             "/upsampled_cat.npy" )

         UpperCAmelCase_           =   "stabilityai/stable-diffusion-x4-upscaler"
         UpperCAmelCase_           =   StableDiffusionUpscalePipeline.from_pretrained(__a )
         pipe.to(__a )
         pipe.set_progress_bar_config(disable=__a )
         pipe.enable_attention_slicing()

         UpperCAmelCase_           =   "a cat sitting on a park bench"

         UpperCAmelCase_           =   torch.manual_seed(0 )
         UpperCAmelCase_           =   pipe(
             prompt=__a   ,			image=__a   ,			generator=__a   ,			output_type="np"   ,			)
         UpperCAmelCase_           =   output.images[0]

         assert image.shape == (512, 512, 3)
         assert np.abs(expected_image - image ).max() < 1E-3



    def 					_lowercase						(self    :    Tuple ):
         UpperCAmelCase_           =   load_image(
             "https://huggingface.co/datasets/hf-internal-testing/diffusers-images/resolve/main"
             "/sd2-upscale/low_res_cat.png" )
         UpperCAmelCase_           =   load_numpy(
             "https://huggingface.co/datasets/hf-internal-testing/diffusers-images/resolve/main/sd2-upscale"
             "/upsampled_cat_fp16.npy" )

         UpperCAmelCase_           =   "stabilityai/stable-diffusion-x4-upscaler"
         UpperCAmelCase_           =   StableDiffusionUpscalePipeline.from_pretrained(
             __a   ,			torch_dtype=torch.floataa   ,			)
         pipe.to(__a )
         pipe.set_progress_bar_config(disable=__a )
         pipe.enable_attention_slicing()

         UpperCAmelCase_           =   "a cat sitting on a park bench"

         UpperCAmelCase_           =   torch.manual_seed(0 )
         UpperCAmelCase_           =   pipe(
             prompt=__a   ,			image=__a   ,			generator=__a   ,			output_type="np"   ,			)
         UpperCAmelCase_           =   output.images[0]

         assert image.shape == (512, 512, 3)
         assert np.abs(expected_image - image ).max() < 5E-1






    def 					_lowercase						(self    :    List[Any] ):
         torch.cuda.empty_cache()
         torch.cuda.reset_max_memory_allocated()
         torch.cuda.reset_peak_memory_stats()

         UpperCAmelCase_           =   load_image(
             "https://huggingface.co/datasets/hf-internal-testing/diffusers-images/resolve/main"
             "/sd2-upscale/low_res_cat.png" )

         UpperCAmelCase_           =   "stabilityai/stable-diffusion-x4-upscaler"
         UpperCAmelCase_           =   StableDiffusionUpscalePipeline.from_pretrained(
             __a   ,			torch_dtype=torch.floataa   ,			)
         pipe.to(__a )
         pipe.set_progress_bar_config(disable=__a )
         pipe.enable_attention_slicing(1 )
         pipe.enable_sequential_cpu_offload()

         UpperCAmelCase_           =   "a cat sitting on a park bench"

         UpperCAmelCase_           =   torch.manual_seed(0 )
         UpperCAmelCase_           =   pipe(
             prompt=__a   ,			image=__a   ,			generator=__a   ,			num_inference_steps=5   ,			output_type="np"   ,			)

         UpperCAmelCase_           =   torch.cuda.max_memory_allocated()
         # make sure that less than 2.9 GB is allocated
         assert mem_bytes < 2.9 * 10**9




