
'''simple docstring'''







import absl  # noqa: F401 # Here to have a nice missing dependency error message early on
import nltk  # noqa: F401 # Here to have a nice missing dependency error message early on
import numpy  # noqa: F401 # Here to have a nice missing dependency error message early on
import six  # noqa: F401 # Here to have a nice missing dependency error message early on
from rouge_score import rouge_scorer, scoring

import datasets


__lowerCAmelCase         =    """\\n@inproceedings{lin-2004-rouge,\n    title = \"{ROUGE}: A Package for Automatic Evaluation of Summaries\",\n    author = \"Lin, Chin-Yew\",\n    booktitle = \"Text Summarization Branches Out\",\n    month = jul,\n    year = \"2004\",\n    address = \"Barcelona, Spain\",\n    publisher = \"Association for Computational Linguistics\",\n    url = \"https://www.aclweb.org/anthology/W04-1013\",\n    pages = \"74--81\",\n}\n"""

__lowerCAmelCase         =    """\\nROUGE, or Recall-Oriented Understudy for Gisting Evaluation, is a set of metrics and a software package used for\nevaluating automatic summarization and machine translation software in natural language processing.\nThe metrics compare an automatically produced summary or translation against a reference or a set of references (human-produced) summary or translation.\n\nNote that ROUGE is case insensitive, meaning that upper case letters are treated the same way as lower case letters.\n\nThis metrics is a wrapper around Google Research reimplementation of ROUGE:\nhttps://github.com/google-research/google-research/tree/master/rouge\n"""

__lowerCAmelCase         =    """\nCalculates average rouge scores for a list of hypotheses and references\nArgs:\n    predictions: list of predictions to score. Each prediction\n        should be a string with tokens separated by spaces.\n    references: list of reference for each prediction. Each\n        reference should be a string with tokens separated by spaces.\n    rouge_types: A list of rouge types to calculate.\n        Valid names:\n        `\"rouge{n}\"` (e.g. `\"rouge1\"`, `\"rouge2\"`) where: {n} is the n-gram based scoring,\n        `\"rougeL\"`: Longest common subsequence based scoring.\n        `\"rougeLSum\"`: rougeLsum splits text using `\"\n\"`.\n        See details in https://github.com/huggingface/datasets/issues/617\n    use_stemmer: Bool indicating whether Porter stemmer should be used to strip word suffixes.\n    use_aggregator: Return aggregates if this is set to True\nReturns:\n    rouge1: rouge_1 (precision, recall, f1),\n    rouge2: rouge_2 (precision, recall, f1),\n    rougeL: rouge_l (precision, recall, f1),\n    rougeLsum: rouge_lsum (precision, recall, f1)\nExamples:\n\n    >>> rouge = datasets.load_metric('rouge')\n    >>> predictions = [\"hello there\", \"general kenobi\"]\n    >>> references = [\"hello there\", \"general kenobi\"]\n    >>> results = rouge.compute(predictions=predictions, references=references)\n    >>> print(list(results.keys()))\n    ['rouge1', 'rouge2', 'rougeL', 'rougeLsum']\n    >>> print(results[\"rouge1\"])\n    AggregateScore(low=Score(precision=1.0, recall=1.0, fmeasure=1.0), mid=Score(precision=1.0, recall=1.0, fmeasure=1.0), high=Score(precision=1.0, recall=1.0, fmeasure=1.0))\n    >>> print(results[\"rouge1\"].mid.fmeasure)\n    1.0\n"""







@datasets.utils.file_utils.add_start_docstrings(_DESCRIPTION    ,				_KWARGS_DESCRIPTION	)
class UpperCAmelCase__	( datasets.Metric	):





  """simple docstring"""

  def   __lowercase		(		self      :     List[str]       ):


     '''simple docstring'''






     return datasets.MetricInfo(
         description=_DESCRIPTION							,citation=_CITATION							,inputs_description=_KWARGS_DESCRIPTION							,features=datasets.Features(
             {
                 'predictions': datasets.Value('string'							,id='sequence'       ),
                 'references': datasets.Value('string'							,id='sequence'       ),
             }       )							,codebase_urls=['https://github.com/google-research/google-research/tree/master/rouge']							,reference_urls=[
             'https://en.wikipedia.org/wiki/ROUGE_(metric)',
             'https://github.com/google-research/google-research/tree/master/rouge',
         ]							,)


  def   __lowercase		(		self      :     List[str]							,_a      :     List[str]							,_a      :     List[str]							,_a      :     int=None							,_a      :     Dict=True							,_a      :     Any=False       ):


     '''simple docstring'''






     if rouge_types is None:
        _a				:	str			=   ["rouge1", "rouge2", "rougeL", "rougeLsum"]

     _a				:	str			=   rouge_scorer.RougeScorer(rouge_types=UpperCamelCase__							,use_stemmer=UpperCamelCase__       )
     if use_aggregator:
        _a				:	str			=   scoring.BootstrapAggregator()
     else:
        _a				:	Optional[Any]			=   []

     for ref, pred in zip(UpperCamelCase__							,UpperCamelCase__       ):
        _a				:	List[str]			=   scorer.score(UpperCamelCase__							,UpperCamelCase__       )
        if use_aggregator:
           aggregator.add_scores(UpperCamelCase__       )
        else:
           scores.append(UpperCamelCase__       )

     if use_aggregator:
        _a				:	Optional[int]			=   aggregator.aggregate()
     else:
        _a				:	List[str]			=   {}
        for key in scores[0]:
           _a				:	Union[str, Any]			=   [score[key] for score in scores]

     return result






"""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     snake_case	(				unittest.TestCase  ):

				def 							lowercase_     (	self							:				Optional[int])->   int:



						'''simple docstring'''


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

				@property
				def 							lowercase_     (	self							:				int)->   str:



						'''simple docstring'''


						__lowerCAmelCase:       str          =			1
						__lowerCAmelCase:       Union[str, Any]          =			3
						__lowerCAmelCase:       Union[str, Any]          =			(3_2, 3_2)

						__lowerCAmelCase:       Union[str, Any]          =			floats_tensor((batch_size, num_channels) + sizes     ,  rng=random.Random(0)).to(UpperCamelCase__)
						return image

				@property
				def 							lowercase_     (	self							:				Tuple)->   str:



						'''simple docstring'''


						torch.manual_seed(0)
						__lowerCAmelCase:       Optional[Any]          =			UNetaDConditionModel(
						    block_out_channels=(3_2, 3_2, 6_4)     ,  layers_per_block=2     ,  sample_size=3_2     ,  in_channels=7     ,  out_channels=4     ,  down_block_types=("DownBlock2D", "CrossAttnDownBlock2D", "CrossAttnDownBlock2D")     ,  up_block_types=("CrossAttnUpBlock2D", "CrossAttnUpBlock2D", "UpBlock2D")     ,  cross_attention_dim=3_2     ,  attention_head_dim=8     ,  use_linear_projection=UpperCamelCase__     ,  only_cross_attention=(True, True, False)     ,  num_class_embeds=1_0_0     ,  )
						return model

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



						'''simple docstring'''


						torch.manual_seed(0)
						__lowerCAmelCase:       Tuple          =			AutoencoderKL(
						    block_out_channels=[3_2, 3_2, 6_4]     ,  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							:				Any)->   Optional[Any]:



						'''simple docstring'''


						torch.manual_seed(0)
						__lowerCAmelCase:       List[str]          =			CLIPTextConfig(
						    bos_token_id=0     ,  eos_token_id=2     ,  hidden_size=3_2     ,  intermediate_size=3_7     ,  layer_norm_eps=1e-05     ,  num_attention_heads=4     ,  num_hidden_layers=5     ,  pad_token_id=1     ,  vocab_size=1_0_0_0     ,  hidden_act="gelu"     ,  projection_dim=5_1_2     ,  )
						return CLIPTextModel(UpperCamelCase__)

				def 							lowercase_     (	self							:				List[str])->   Dict:



						'''simple docstring'''


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

						__lowerCAmelCase:       Tuple          =			self.dummy_image.cpu().permute(0     ,  2     ,  3     ,  1)[0]
						__lowerCAmelCase:       List[Any]          =			Image.fromarray(np.uinta(UpperCamelCase__)).convert("RGB").resize((6_4, 6_4))

						# make sure here that pndm scheduler skips prk
						__lowerCAmelCase:       Optional[int]          =			StableDiffusionUpscalePipeline(
						    unet=UpperCamelCase__     ,  low_res_scheduler=UpperCamelCase__     ,  scheduler=UpperCamelCase__     ,  vae=UpperCamelCase__     ,  text_encoder=UpperCamelCase__     ,  tokenizer=UpperCamelCase__     ,  max_noise_level=3_5_0     ,  )
						__lowerCAmelCase:       Tuple          =			sd_pipe.to(UpperCamelCase__)
						sd_pipe.set_progress_bar_config(disable=UpperCamelCase__)

						__lowerCAmelCase:       Any          =			"A painting of a squirrel eating a burger"
						__lowerCAmelCase:       str          =			torch.Generator(device=UpperCamelCase__).manual_seed(0)
						__lowerCAmelCase:       Optional[int]          =			sd_pipe(
						    [prompt]     ,  image=UpperCamelCase__     ,  generator=UpperCamelCase__     ,  guidance_scale=6.0     ,  noise_level=2_0     ,  num_inference_steps=2     ,  output_type="np"     ,  )

						__lowerCAmelCase:       List[str]          =			output.images

						__lowerCAmelCase:       Union[str, Any]          =			torch.Generator(device=UpperCamelCase__).manual_seed(0)
						__lowerCAmelCase:       List[str]          =			sd_pipe(
						    [prompt]     ,  image=UpperCamelCase__     ,  generator=UpperCamelCase__     ,  guidance_scale=6.0     ,  noise_level=2_0     ,  num_inference_steps=2     ,  output_type="np"     ,  return_dict=UpperCamelCase__     ,  )[0]

						__lowerCAmelCase:       int          =			image[0, -3:, -3:, -1]
						__lowerCAmelCase:       Dict          =			image_from_tuple[0, -3:, -3:, -1]

						__lowerCAmelCase:       Dict          =			low_res_image.size[0] * 4
						assert image.shape == (1, expected_height_width, expected_height_width, 3)
						__lowerCAmelCase:       List[Any]          =			np.array([0.3113, 0.3910, 0.4272, 0.4859, 0.5061, 0.4652, 0.5362, 0.5715, 0.5661])

						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							:				List[str])->   Optional[Any]:



						'''simple docstring'''


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

						__lowerCAmelCase:       List[Any]          =			self.dummy_image.cpu().permute(0     ,  2     ,  3     ,  1)[0]
						__lowerCAmelCase:       str          =			Image.fromarray(np.uinta(UpperCamelCase__)).convert("RGB").resize((6_4, 6_4))

						# make sure here that pndm scheduler skips prk
						__lowerCAmelCase:       Optional[int]          =			StableDiffusionUpscalePipeline(
						    unet=UpperCamelCase__     ,  low_res_scheduler=UpperCamelCase__     ,  scheduler=UpperCamelCase__     ,  vae=UpperCamelCase__     ,  text_encoder=UpperCamelCase__     ,  tokenizer=UpperCamelCase__     ,  max_noise_level=3_5_0     ,  )
						__lowerCAmelCase:       Optional[int]          =			sd_pipe.to(UpperCamelCase__)
						sd_pipe.set_progress_bar_config(disable=UpperCamelCase__)

						__lowerCAmelCase:       List[str]          =			"A painting of a squirrel eating a burger"
						__lowerCAmelCase:       List[Any]          =			sd_pipe(
						    2 * [prompt]     ,  image=2 * [low_res_image]     ,  guidance_scale=6.0     ,  noise_level=2_0     ,  num_inference_steps=2     ,  output_type="np"     ,  )
						__lowerCAmelCase:       List[Any]          =			output.images
						assert image.shape[0] == 2

						__lowerCAmelCase:       Dict          =			torch.Generator(device=UpperCamelCase__).manual_seed(0)
						__lowerCAmelCase:       Optional[Any]          =			sd_pipe(
						    [prompt]     ,  image=UpperCamelCase__     ,  generator=UpperCamelCase__     ,  num_images_per_prompt=2     ,  guidance_scale=6.0     ,  noise_level=2_0     ,  num_inference_steps=2     ,  output_type="np"     ,  )
						__lowerCAmelCase:       List[Any]          =			output.images
						assert image.shape[0] == 2




				@unittest.skipIf(torch_device != "cuda"     ,  "This test requires a GPU")
				def 							lowercase_     (	self							:				Tuple)->   Any:



						'''simple docstring'''


						__lowerCAmelCase:       Union[str, Any]          =			self.dummy_cond_unet_upscale
						__lowerCAmelCase:       int          =			DDPMScheduler()
						__lowerCAmelCase:       int          =			DDIMScheduler(prediction_type="v_prediction")
						__lowerCAmelCase:       Dict          =			self.dummy_vae
						__lowerCAmelCase:       int          =			self.dummy_text_encoder
						__lowerCAmelCase:       List[Any]          =			CLIPTokenizer.from_pretrained("hf-internal-testing/tiny-random-clip")

						__lowerCAmelCase:       List[Any]          =			self.dummy_image.cpu().permute(0     ,  2     ,  3     ,  1)[0]
						__lowerCAmelCase:       Optional[int]          =			Image.fromarray(np.uinta(UpperCamelCase__)).convert("RGB").resize((6_4, 6_4))

						# put models in fp16, except vae as it overflows in fp16
						__lowerCAmelCase:       List[Any]          =			unet.half()
						__lowerCAmelCase:       List[str]          =			text_encoder.half()

						# make sure here that pndm scheduler skips prk
						__lowerCAmelCase:       List[Any]          =			StableDiffusionUpscalePipeline(
						    unet=UpperCamelCase__     ,  low_res_scheduler=UpperCamelCase__     ,  scheduler=UpperCamelCase__     ,  vae=UpperCamelCase__     ,  text_encoder=UpperCamelCase__     ,  tokenizer=UpperCamelCase__     ,  max_noise_level=3_5_0     ,  )
						__lowerCAmelCase:       str          =			sd_pipe.to(UpperCamelCase__)
						sd_pipe.set_progress_bar_config(disable=UpperCamelCase__)

						__lowerCAmelCase:       Optional[Any]          =			"A painting of a squirrel eating a burger"
						__lowerCAmelCase:       str          =			torch.manual_seed(0)
						__lowerCAmelCase:       Dict          =			sd_pipe(
						    [prompt]     ,  image=UpperCamelCase__     ,  generator=UpperCamelCase__     ,  num_inference_steps=2     ,  output_type="np"     ,  ).images

						__lowerCAmelCase:       Optional[Any]          =			low_res_image.size[0] * 4
						assert image.shape == (1, expected_height_width, expected_height_width, 3)





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

				def 							lowercase_     (	self							:				Tuple)->   Tuple:



						'''simple docstring'''


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

				def 							lowercase_     (	self							:				List[Any])->   Tuple:



						'''simple docstring'''


						__lowerCAmelCase:       Dict          =			load_image(
						    "https://huggingface.co/datasets/hf-internal-testing/diffusers-images/resolve/main"
						    "/sd2-upscale/low_res_cat.png")
						__lowerCAmelCase:       Optional[Any]          =			load_numpy(
						    "https://huggingface.co/datasets/hf-internal-testing/diffusers-images/resolve/main/sd2-upscale"
						    "/upsampled_cat.npy")

						__lowerCAmelCase:       str          =			"stabilityai/stable-diffusion-x4-upscaler"
						__lowerCAmelCase:       Optional[int]          =			StableDiffusionUpscalePipeline.from_pretrained(UpperCamelCase__)
						pipe.to(UpperCamelCase__)
						pipe.set_progress_bar_config(disable=UpperCamelCase__)
						pipe.enable_attention_slicing()

						__lowerCAmelCase:       Tuple          =			"a cat sitting on a park bench"

						__lowerCAmelCase:       int          =			torch.manual_seed(0)
						__lowerCAmelCase:       List[Any]          =			pipe(
						    prompt=UpperCamelCase__     ,  image=UpperCamelCase__     ,  generator=UpperCamelCase__     ,  output_type="np"     ,  )
						__lowerCAmelCase:       Dict          =			output.images[0]

						assert image.shape == (5_1_2, 5_1_2, 3)
						assert np.abs(expected_image - image).max() < 1e-3

				def 							lowercase_     (	self							:				Optional[int])->   Any:



						'''simple docstring'''


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

						__lowerCAmelCase:       Optional[Any]          =			"stabilityai/stable-diffusion-x4-upscaler"
						__lowerCAmelCase:       Tuple          =			StableDiffusionUpscalePipeline.from_pretrained(
						    UpperCamelCase__     ,  torch_dtype=torch.floataa     ,  )
						pipe.to(UpperCamelCase__)
						pipe.set_progress_bar_config(disable=UpperCamelCase__)
						pipe.enable_attention_slicing()

						__lowerCAmelCase:       str          =			"a cat sitting on a park bench"

						__lowerCAmelCase:       List[str]          =			torch.manual_seed(0)
						__lowerCAmelCase:       Optional[Any]          =			pipe(
						    prompt=UpperCamelCase__     ,  image=UpperCamelCase__     ,  generator=UpperCamelCase__     ,  output_type="np"     ,  )
						__lowerCAmelCase:       Union[str, Any]          =			output.images[0]

						assert image.shape == (5_1_2, 5_1_2, 3)
						assert np.abs(expected_image - image).max() < 5e-1




				def 							lowercase_     (	self							:				Optional[int])->   Dict:



						'''simple docstring'''


						torch.cuda.empty_cache()
						torch.cuda.reset_max_memory_allocated()
						torch.cuda.reset_peak_memory_stats()

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

						__lowerCAmelCase:       Union[str, Any]          =			"stabilityai/stable-diffusion-x4-upscaler"
						__lowerCAmelCase:       Any          =			StableDiffusionUpscalePipeline.from_pretrained(
						    UpperCamelCase__     ,  torch_dtype=torch.floataa     ,  )
						pipe.to(UpperCamelCase__)
						pipe.set_progress_bar_config(disable=UpperCamelCase__)
						pipe.enable_attention_slicing(1)
						pipe.enable_sequential_cpu_offload()

						__lowerCAmelCase:       int          =			"a cat sitting on a park bench"

						__lowerCAmelCase:       Dict          =			torch.manual_seed(0)
						__lowerCAmelCase:       Dict          =			pipe(
						    prompt=UpperCamelCase__     ,  image=UpperCamelCase__     ,  generator=UpperCamelCase__     ,  num_inference_steps=5     ,  output_type="np"     ,  )

						__lowerCAmelCase:       Optional[int]          =			torch.cuda.max_memory_allocated()
						# make sure that less than 2.9 GB is allocated
						assert mem_bytes < 2.9 * 1_0**9


