





'''simple docstring'''





import inspect
import os
import unittest
from dataclasses import dataclass

import torch

from accelerate import Accelerator, DistributedDataParallelKwargs, GradScalerKwargs
from accelerate.state import AcceleratorState
from accelerate.test_utils import execute_subprocess_async, require_cuda, require_multi_gpu
from accelerate.utils import KwargsHandler
@dataclass
class        SCREAMING_SNAKE_CASE     (__a   ):
   _UpperCamelCase					:	int				      = 0
   _UpperCamelCase					:	bool				      = False
   _UpperCamelCase					:	float				      = 3.0






class        SCREAMING_SNAKE_CASE     (unittest.TestCase   ):


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





     """simple docstring"""







     self.assertDictEqual(MockClass().to_kwargs()    ,  {} )
     self.assertDictEqual(MockClass(a=2 ).to_kwargs()    ,  {'a': 2} )
     self.assertDictEqual(MockClass(a=2    ,  b=snake_case__ ).to_kwargs()    ,  {'a': 2, 'b': True} )
     self.assertDictEqual(MockClass(a=2    ,  c=2.25 ).to_kwargs()    ,  {'a': 2, 'c': 2.25} )


   @require_cuda
   def  SCREAMING_SNAKE_CASE_							(					self    :       Union[str, Any] )->     Any:





     """simple docstring"""







     lowercase__			    =						GradScalerKwargs(init_scale=1_024    ,  growth_factor=2 )
     AcceleratorState._reset_state()
     lowercase__			    =						Accelerator(mixed_precision='fp16'    ,  kwargs_handlers=[scaler_handler] )
     print(accelerator.use_fpaa )
     lowercase__			    =						accelerator.scaler

     # Check the kwargs have been applied
     self.assertEqual(scaler._init_scale    ,  1_024.0 )
     self.assertEqual(scaler._growth_factor    ,  2.0 )

     # Check the other values are at the default
     self.assertEqual(scaler._backoff_factor    ,  0.5 )
     self.assertEqual(scaler._growth_interval    ,  2_000 )
     self.assertEqual(scaler._enabled    ,  snake_case__ )


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





     """simple docstring"""







     lowercase__			    =						['torchrun', f"""--nproc_per_node={torch.cuda.device_count()}""", inspect.getfile(self.__class__ )]
     execute_subprocess_async(snake_case__    ,  env=os.environ.copy() )


if __name__ == "__main__":
      lowercase_					     =	DistributedDataParallelKwargs(bucket_cap_mb=15, find_unused_parameters=True)
      lowercase_					     =	Accelerator(kwargs_handlers=[ddp_scaler])
      lowercase_					     =	torch.nn.Linear(100, 200)
      lowercase_					     =	accelerator.prepare(model)

      # Check the values changed in kwargs
      lowercase_					     =	''''''
      lowercase_					     =	model.bucket_bytes_cap // (1_024 * 1_024)
      if observed_bucket_cap_map != 15:
            error_msg += f"Kwargs badly passed, should have `15` but found {observed_bucket_cap_map}.\n"
      if model.find_unused_parameters is not True:
            error_msg += f"Kwargs badly passed, should have `True` but found {model.find_unused_parameters}.\n"

      # Check the values of the defaults
      if model.dim != 0:
            error_msg += f"Default value not respected, should have `0` but found {model.dim}.\n"
      if model.broadcast_buffers is not True:
            error_msg += f"Default value not respected, should have `True` but found {model.broadcast_buffers}.\n"
      if model.gradient_as_bucket_view is not False:
            error_msg += f"Default value not respected, should have `False` but found {model.gradient_as_bucket_view}.\n"

      # Raise error at the end to make sure we don't stop at the first failure.
      if len(error_msg) > 0:
            raise ValueError(error_msg)









import gc
import tempfile
import unittest

import numpy as np
import torch

from diffusers import VersatileDiffusionPipeline
from diffusers.utils.testing_utils import load_image, nightly, require_torch_gpu, torch_device


lowercase_					     =	False
class        SCREAMING_SNAKE_CASE     (unittest.TestCase   ):
   pass






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


   def  SCREAMING_SNAKE_CASE_							(					self    :       str )->     Optional[int]:





     """simple docstring"""







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


   def  SCREAMING_SNAKE_CASE_							(					self    :       Optional[Any] )->     Union[str, Any]:





     """simple docstring"""







     lowercase__			    =						VersatileDiffusionPipeline.from_pretrained('shi-labs/versatile-diffusion'    ,  torch_dtype=torch.floataa )
     pipe.to(a )
     pipe.set_progress_bar_config(disable=a )

     lowercase__			    =						load_image(
         'https://huggingface.co/datasets/hf-internal-testing/diffusers-images/resolve/main/versatile_diffusion/benz.jpg' )

     lowercase__			    =						torch.manual_seed(0 )
     lowercase__			    =						pipe.dual_guided(
         prompt='first prompt'    ,  image=a    ,  text_to_image_strength=0.75    ,  generator=a    ,  guidance_scale=7.5    ,  num_inference_steps=2    ,  output_type='numpy'    ,  ).images

     with tempfile.TemporaryDirectory() as tmpdirname:
       pipe.save_pretrained(a )
       lowercase__			    =						VersatileDiffusionPipeline.from_pretrained(a    ,  torch_dtype=torch.floataa )
     pipe.to(a )
     pipe.set_progress_bar_config(disable=a )

     lowercase__			    =						generator.manual_seed(0 )
     lowercase__			    =						pipe.dual_guided(
         prompt='first prompt'    ,  image=a    ,  text_to_image_strength=0.75    ,  generator=a    ,  guidance_scale=7.5    ,  num_inference_steps=2    ,  output_type='numpy'    ,  ).images

     assert np.abs(image - new_image ).sum() < 1E-5, "Models don't have the same forward pass"


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





     """simple docstring"""







     lowercase__			    =						VersatileDiffusionPipeline.from_pretrained('shi-labs/versatile-diffusion'    ,  torch_dtype=torch.floataa )
     pipe.to(a )
     pipe.set_progress_bar_config(disable=a )

     lowercase__			    =						'cyberpunk 2077'
     lowercase__			    =						load_image(
         'https://huggingface.co/datasets/hf-internal-testing/diffusers-images/resolve/main/versatile_diffusion/benz.jpg' )
     lowercase__			    =						torch.manual_seed(0 )
     lowercase__			    =						pipe.dual_guided(
         prompt=a    ,  image=a    ,  text_to_image_strength=0.75    ,  generator=a    ,  guidance_scale=7.5    ,  num_inference_steps=50    ,  output_type='numpy'    ,  ).images

     lowercase__			    =						image[0, 253:256, 253:256, -1]

     assert image.shape == (1, 512, 512, 3)
     lowercase__			    =						np.array([0.1448, 0.1619, 0.1741, 0.1086, 0.1147, 0.1128, 0.1199, 0.1165, 0.1001] )

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

     lowercase__			    =						'A painting of a squirrel eating a burger '
     lowercase__			    =						torch.manual_seed(0 )
     lowercase__			    =						pipe.text_to_image(
         prompt=a    ,  generator=a    ,  guidance_scale=7.5    ,  num_inference_steps=50    ,  output_type='numpy' ).images

     lowercase__			    =						image[0, 253:256, 253:256, -1]

     assert image.shape == (1, 512, 512, 3)
     lowercase__			    =						np.array([0.3367, 0.3169, 0.2656, 0.3870, 0.4790, 0.3796, 0.4009, 0.4878, 0.4778] )

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

     lowercase__			    =						pipe.image_variation(a    ,  generator=a    ,  output_type='numpy' ).images

     lowercase__			    =						image[0, 253:256, 253:256, -1]

     assert image.shape == (1, 512, 512, 3)
     lowercase__			    =						np.array([0.3076, 0.3123, 0.3284, 0.3782, 0.3770, 0.3894, 0.4297, 0.4331, 0.4456] )

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


