



import inspect
from typing import List, Optional, Tuple, Union

import torch

from ...models import UNetaDModel, VQModel
from ...schedulers import DDIMScheduler
from ...utils import randn_tensor
from ..pipeline_utils import DiffusionPipeline, ImagePipelineOutput







class     __lowerCAmelCase					(    A		):



			def __init__(		self     :						int				,	A     :						VQModel				,	A     :						UNetaDModel				,	A     :						DDIMScheduler)     ->					str:



						"""simple docstring"""






						super().__init__()
						self.register_modules(vqvae=A				,	unet=A				,	scheduler=A)



			@torch.no_grad()
			def __call__(		self     :						Optional[int]				,	A     :						int = 1				,	A     :						Optional[Union[torch.Generator, List[torch.Generator]]] = None				,	A     :						float = 0.0				,	A     :						int = 50				,	A     :						Optional[str] = "pil"				,	A     :						bool = True				,	**A     :						Union[str, Any]				,	)     ->					Union[Tuple, ImagePipelineOutput]:



						"""simple docstring"""






						_UpperCAmelCase	 =     randn_tensor(
						    (batch_size, self.unet.config.in_channels, self.unet.config.sample_size, self.unet.config.sample_size)				,	generator=A				,	)
						_UpperCAmelCase	 =     latents.to(self.device)

						# scale the initial noise by the standard deviation required by the scheduler
						_UpperCAmelCase	 =     latents * self.scheduler.init_noise_sigma

						self.scheduler.set_timesteps(A)

						# prepare extra kwargs for the scheduler step, since not all schedulers have the same signature
						_UpperCAmelCase	 =     'eta' in set(inspect.signature(self.scheduler.step).parameters.keys())

						_UpperCAmelCase	 =     {}
						if accepts_eta:
									_UpperCAmelCase	 =     eta

						for t in self.progress_bar(self.scheduler.timesteps):
									_UpperCAmelCase	 =     self.scheduler.scale_model_input(A				,	A)
									# predict the noise residual
									_UpperCAmelCase	 =     self.unet(A				,	A).sample
									# compute the previous noisy sample x_t -> x_t-1
									_UpperCAmelCase	 =     self.scheduler.step(A				,	A				,	A				,	**A).prev_sample

						# decode the image latents with the VAE
						_UpperCAmelCase	 =     self.vqvae.decode(A).sample

						_UpperCAmelCase	 =     (image / 2 + 0.5).clamp(0				,	1)
						_UpperCAmelCase	 =     image.cpu().permute(0				,	2				,	3				,	1).numpy()
						if output_type == "pil":
									_UpperCAmelCase	 =     self.numpy_to_pil(A)

						if not return_dict:
									return (image,)

						return ImagePipelineOutput(images=A)





import unittest

from transformers import is_vision_available
from transformers.pipelines import pipeline
from transformers.testing_utils import (
    is_pipeline_test,
    nested_simplify,
    require_tf,
    require_torch,
    require_vision,
    slow,
)

from .test_pipelines_common import ANY


if is_vision_available():
							from PIL import Image
else:







							class     __lowerCAmelCase					:



										@staticmethod
										def 					_lowerCamelCase (		*A     :						Union[str, Any]				,	**A     :						List[Any])     ->					Union[str, Any]:



													"""simple docstring"""






													pass







@is_pipeline_test
@require_vision
class     __lowerCAmelCase					(    unittest.TestCase		):



			@require_torch
			def 					_lowerCamelCase (		self     :						List[str])     ->					Tuple:



						"""simple docstring"""






						_UpperCAmelCase	 =     pipeline(
						    model='hf-internal-testing/tiny-random-clip-zero-shot-image-classification'				,	)
						_UpperCAmelCase	 =     Image.open('./tests/fixtures/tests_samples/COCO/000000039769.png')
						_UpperCAmelCase	 =     image_classifier(A				,	candidate_labels=['a', 'b', 'c'])

						# The floating scores are so close, we enter floating error approximation and the order is not guaranteed across
						# python and torch versions.
						self.assertIn(
						    nested_simplify(A)				,	[
						        [{'score': 0.3_3_3, 'label': 'a'}, {'score': 0.3_3_3, 'label': 'b'}, {'score': 0.3_3_3, 'label': 'c'}],
						        [{'score': 0.3_3_3, 'label': 'a'}, {'score': 0.3_3_3, 'label': 'c'}, {'score': 0.3_3_3, 'label': 'b'}],
						    ]				,	)

						_UpperCAmelCase	 =     image_classifier([image] * 5				,	candidate_labels=['A', 'B', 'C']				,	batch_size=2)
						self.assertEqual(
						    nested_simplify(A)				,	[
						        [
						            {'score': 0.3_3_3, 'label': ANY(A)},
						            {'score': 0.3_3_3, 'label': ANY(A)},
						            {'score': 0.3_3_3, 'label': ANY(A)},
						        ],
						        [
						            {'score': 0.3_3_3, 'label': ANY(A)},
						            {'score': 0.3_3_3, 'label': ANY(A)},
						            {'score': 0.3_3_3, 'label': ANY(A)},
						        ],
						        [
						            {'score': 0.3_3_3, 'label': ANY(A)},
						            {'score': 0.3_3_3, 'label': ANY(A)},
						            {'score': 0.3_3_3, 'label': ANY(A)},
						        ],
						        [
						            {'score': 0.3_3_3, 'label': ANY(A)},
						            {'score': 0.3_3_3, 'label': ANY(A)},
						            {'score': 0.3_3_3, 'label': ANY(A)},
						        ],
						        [
						            {'score': 0.3_3_3, 'label': ANY(A)},
						            {'score': 0.3_3_3, 'label': ANY(A)},
						            {'score': 0.3_3_3, 'label': ANY(A)},
						        ],
						    ]				,	)



			@require_tf
			def 					_lowerCamelCase (		self     :						str)     ->					Tuple:



						"""simple docstring"""






						_UpperCAmelCase	 =     pipeline(
						    model='hf-internal-testing/tiny-random-clip-zero-shot-image-classification'				,	framework='tf')
						_UpperCAmelCase	 =     Image.open('./tests/fixtures/tests_samples/COCO/000000039769.png')
						_UpperCAmelCase	 =     image_classifier(A				,	candidate_labels=['a', 'b', 'c'])

						self.assertEqual(
						    nested_simplify(A)				,	[{'score': 0.3_3_3, 'label': 'a'}, {'score': 0.3_3_3, 'label': 'b'}, {'score': 0.3_3_3, 'label': 'c'}]				,	)

						_UpperCAmelCase	 =     image_classifier([image] * 5				,	candidate_labels=['A', 'B', 'C']				,	batch_size=2)
						self.assertEqual(
						    nested_simplify(A)				,	[
						        [
						            {'score': 0.3_3_3, 'label': ANY(A)},
						            {'score': 0.3_3_3, 'label': ANY(A)},
						            {'score': 0.3_3_3, 'label': ANY(A)},
						        ],
						        [
						            {'score': 0.3_3_3, 'label': ANY(A)},
						            {'score': 0.3_3_3, 'label': ANY(A)},
						            {'score': 0.3_3_3, 'label': ANY(A)},
						        ],
						        [
						            {'score': 0.3_3_3, 'label': ANY(A)},
						            {'score': 0.3_3_3, 'label': ANY(A)},
						            {'score': 0.3_3_3, 'label': ANY(A)},
						        ],
						        [
						            {'score': 0.3_3_3, 'label': ANY(A)},
						            {'score': 0.3_3_3, 'label': ANY(A)},
						            {'score': 0.3_3_3, 'label': ANY(A)},
						        ],
						        [
						            {'score': 0.3_3_3, 'label': ANY(A)},
						            {'score': 0.3_3_3, 'label': ANY(A)},
						            {'score': 0.3_3_3, 'label': ANY(A)},
						        ],
						    ]				,	)



			@slow
			@require_torch
			def 					_lowerCamelCase (		self     :						Tuple)     ->					Optional[Any]:



						"""simple docstring"""






						_UpperCAmelCase	 =     pipeline(
						    task='zero-shot-image-classification'				,	model='openai/clip-vit-base-patch32'				,	)
						# This is an image of 2 cats with remotes and no planes
						_UpperCAmelCase	 =     Image.open('./tests/fixtures/tests_samples/COCO/000000039769.png')
						_UpperCAmelCase	 =     image_classifier(A				,	candidate_labels=['cat', 'plane', 'remote'])

						self.assertEqual(
						    nested_simplify(A)				,	[
						        {'score': 0.5_1_1, 'label': 'remote'},
						        {'score': 0.4_8_5, 'label': 'cat'},
						        {'score': 0.0_0_4, 'label': 'plane'},
						    ]				,	)

						_UpperCAmelCase	 =     image_classifier([image] * 5				,	candidate_labels=['cat', 'plane', 'remote']				,	batch_size=2)
						self.assertEqual(
						    nested_simplify(A)				,	[
						        [
						            {'score': 0.5_1_1, 'label': 'remote'},
						            {'score': 0.4_8_5, 'label': 'cat'},
						            {'score': 0.0_0_4, 'label': 'plane'},
						        ],
						    ]
						    * 5				,	)



			@slow
			@require_tf
			def 					_lowerCamelCase (		self     :						List[str])     ->					Any:



						"""simple docstring"""






						_UpperCAmelCase	 =     pipeline(
						    task='zero-shot-image-classification'				,	model='openai/clip-vit-base-patch32'				,	framework='tf')
						# This is an image of 2 cats with remotes and no planes
						_UpperCAmelCase	 =     Image.open('./tests/fixtures/tests_samples/COCO/000000039769.png')
						_UpperCAmelCase	 =     image_classifier(A				,	candidate_labels=['cat', 'plane', 'remote'])
						self.assertEqual(
						    nested_simplify(A)				,	[
						        {'score': 0.5_1_1, 'label': 'remote'},
						        {'score': 0.4_8_5, 'label': 'cat'},
						        {'score': 0.0_0_4, 'label': 'plane'},
						    ]				,	)

						_UpperCAmelCase	 =     image_classifier([image] * 5				,	candidate_labels=['cat', 'plane', 'remote']				,	batch_size=2)
						self.assertEqual(
						    nested_simplify(A)				,	[
						        [
						            {'score': 0.5_1_1, 'label': 'remote'},
						            {'score': 0.4_8_5, 'label': 'cat'},
						            {'score': 0.0_0_4, 'label': 'plane'},
						        ],
						    ]
						    * 5				,	)
