





from typing import List

import datasets
from datasets.tasks import ImageClassification

from ..folder_based_builder import folder_based_builder


__lowercase							:List[Any]							=	datasets.utils.logging.get_logger(__name__)



class  _a  (					folder_based_builder.FolderBasedBuilderConfig				):






							"""simple docstring"""

							snake_case_							=    None
							snake_case_							=    None







class  _a  (					folder_based_builder.FolderBasedBuilder				):






							"""simple docstring"""

							snake_case_							=    datasets.Image()
							snake_case_							=    "image"
							snake_case_							=    ImageFolderConfig
							snake_case_							=    42  # definition at the bottom of the script
							snake_case_							=    ImageClassification(image_column="image"       ,				label_column="label"				)







__lowercase							:Any							=	[
    ".blp",
    ".bmp",
    ".dib",
    ".bufr",
    ".cur",
    ".pcx",
    ".dcx",
    ".dds",
    ".ps",
    ".eps",
    ".fit",
    ".fits",
    ".fli",
    ".flc",
    ".ftc",
    ".ftu",
    ".gbr",
    ".gif",
    ".grib",
    ".h5",
    ".hdf",
    ".png",
    ".apng",
    ".jp2",
    ".j2k",
    ".jpc",
    ".jpf",
    ".jpx",
    ".j2c",
    ".icns",
    ".ico",
    ".im",
    ".iim",
    ".tif",
    ".tiff",
    ".jfif",
    ".jpe",
    ".jpg",
    ".jpeg",
    ".mpg",
    ".mpeg",
    ".msp",
    ".pcd",
    ".pxr",
    ".pbm",
    ".pgm",
    ".ppm",
    ".pnm",
    ".psd",
    ".bw",
    ".rgb",
    ".rgba",
    ".sgi",
    ".ras",
    ".tga",
    ".icb",
    ".vda",
    ".vst",
    ".webp",
    ".wmf",
    ".emf",
    ".xbm",
    ".xpm",
]
__lowercase							:Optional[Any]							=	IMAGE_EXTENSIONS





import tempfile
import unittest

import torch

from diffusers import UNetaDConditionModel
from diffusers.training_utils import EMAModel
from diffusers.utils.testing_utils import enable_full_determinism, skip_mps, torch_device


enable_full_determinism()




class  __lowerCAmelCase							(				unittest.TestCase):
       _a			       =    '''hf-internal-testing/tiny-stable-diffusion-pipe'''
       _a			       =    1
       _a			       =    77
       _a			       =    32
       _a			       =    4
       _a			       =    _a			       =    64
       _a			       =    torch.manual_seed(0)






       def        SCREAMING_SNAKE_CASE     ( self:       Union[str, Any]							,       _lowerCAmelCase:       int=0.99_99					):
         lowercase     :Optional[int]   						=    UNetaDConditionModel.from_pretrained(self.model_id							,       subfolder="unet"					)
         lowercase     :Union[str, Any]   						=    unet.to(_lowerCAmelCase					)
         lowercase     :Any   						=    EMAModel(unet.parameters()							,       decay=_lowerCAmelCase							,       model_cls=_lowerCAmelCase							,       model_config=unet.config					)
         return unet, ema_unet






       def        SCREAMING_SNAKE_CASE     ( self:       List[str]					):
         lowercase     :Optional[Any]   						=    torch.randn(
             self.batch_size							,       self.num_in_channels							,       self.latent_height							,       self.latent_width							,       generator=self.generator					).to(_lowerCAmelCase					)
         lowercase     :Dict   						=    torch.randint(0							,       10_00							,       size=(self.batch_size,)							,       generator=self.generator					).to(_lowerCAmelCase					)
         lowercase     :List[Any]   						=    torch.randn(
             self.batch_size							,       self.prompt_length							,       self.text_encoder_hidden_dim							,       generator=self.generator					).to(_lowerCAmelCase					)
         return noisy_latents, timesteps, encoder_hidden_states






       def        SCREAMING_SNAKE_CASE     ( self:       Optional[int]							,       _lowerCAmelCase:       Optional[Any]					):
         lowercase     :Any   						=    {}
         for k, param in unet.state_dict().items():
           lowercase     :Optional[int]   						=    torch.randn_like(_lowerCAmelCase					) + (param * torch.randn_like(_lowerCAmelCase					))
           updated_state_dict.update({k: updated_param}					)
         unet.load_state_dict(_lowerCAmelCase					)
         return unet






       def        SCREAMING_SNAKE_CASE     ( self:       int					):
         lowercase						,     lowercase     :List[str]   						=    self.get_models()
         # Take the first (hypothetical) EMA step.
         ema_unet.step(unet.parameters()					)
         assert ema_unet.optimization_step == 1

         # Take two more.
         for _ in range(2					):
           ema_unet.step(unet.parameters()					)
         assert ema_unet.optimization_step == 3






       def        SCREAMING_SNAKE_CASE     ( self:       Any					):
         lowercase						,     lowercase     :str   						=    self.get_models()
         # Since the `unet` is not being updated (i.e., backprop'd)
         # there won't be any difference between the `params` of `unet`
         # and `ema_unet` even if we call `ema_unet.step(unet.parameters())`.
         ema_unet.step(unet.parameters()					)
         lowercase     :Tuple   						=    list(unet.parameters()					)
         for s_param, param in zip(ema_unet.shadow_params							,       _lowerCAmelCase					):
           assert torch.allclose(_lowerCAmelCase							,       _lowerCAmelCase					)

         # The above holds true even if we call `ema.step()` multiple times since
         # `unet` params are still not being updated.
         for _ in range(4					):
           ema_unet.step(unet.parameters()					)
         for s_param, param in zip(ema_unet.shadow_params							,       _lowerCAmelCase					):
           assert torch.allclose(_lowerCAmelCase							,       _lowerCAmelCase					)






       def        SCREAMING_SNAKE_CASE     ( self:       Dict					):
         lowercase						,     lowercase     :Optional[int]   						=    self.get_models()
         # Here we simulate the parameter updates for `unet`. Since there might
         # be some parameters which are initialized to zero we take extra care to
         # initialize their values to something non-zero before the multiplication.
         lowercase     :List[str]   						=    self.simulate_backprop(_lowerCAmelCase					)

         # Take the EMA step.
         ema_unet.step(unet_pseudo_updated_step_one.parameters()					)

         # Now the EMA'd parameters won't be equal to the original model parameters.
         lowercase     :str   						=    list(unet_pseudo_updated_step_one.parameters()					)
         for s_param, param in zip(ema_unet.shadow_params							,       _lowerCAmelCase					):
           assert ~torch.allclose(_lowerCAmelCase							,       _lowerCAmelCase					)

         # Ensure this is the case when we take multiple EMA steps.
         for _ in range(4					):
           ema_unet.step(unet.parameters()					)
         for s_param, param in zip(ema_unet.shadow_params							,       _lowerCAmelCase					):
           assert ~torch.allclose(_lowerCAmelCase							,       _lowerCAmelCase					)






       def        SCREAMING_SNAKE_CASE     ( self:       Optional[int]					):
         # If we call EMA step after a backpropagation consecutively for two times,
         # the shadow params from those two steps should be different.
         lowercase						,     lowercase     :Optional[Any]   						=    self.get_models()

         # First backprop + EMA
         lowercase     :Union[str, Any]   						=    self.simulate_backprop(_lowerCAmelCase					)
         ema_unet.step(unet_step_one.parameters()					)
         lowercase     :int   						=    ema_unet.shadow_params

         # Second backprop + EMA
         lowercase     :Optional[int]   						=    self.simulate_backprop(_lowerCAmelCase					)
         ema_unet.step(unet_step_two.parameters()					)
         lowercase     :Optional[int]   						=    ema_unet.shadow_params

         for step_one, step_two in zip(_lowerCAmelCase							,       _lowerCAmelCase					):
           assert ~torch.allclose(_lowerCAmelCase							,       _lowerCAmelCase					)






       def        SCREAMING_SNAKE_CASE     ( self:       Union[str, Any]					):
         # If there's no decay even if there are backprops, EMA steps
         # won't take any effect i.e., the shadow params would remain the
         # same.
         lowercase						,     lowercase     :Any   						=    self.get_models(decay=0.0					)
         lowercase     :List[Any]   						=    self.simulate_backprop(_lowerCAmelCase					)
         ema_unet.step(unet_step_one.parameters()					)
         lowercase     :List[str]   						=    ema_unet.shadow_params

         lowercase     :str   						=    self.simulate_backprop(_lowerCAmelCase					)
         ema_unet.step(unet_step_two.parameters()					)
         lowercase     :List[str]   						=    ema_unet.shadow_params

         for step_one, step_two in zip(_lowerCAmelCase							,       _lowerCAmelCase					):
           assert torch.allclose(_lowerCAmelCase							,       _lowerCAmelCase					)






       @skip_mps
       def        SCREAMING_SNAKE_CASE     ( self:       List[Any]					):
         lowercase						,     lowercase     :Optional[Any]   						=    self.get_models()
         lowercase						,     lowercase						,     lowercase     :str   						=    self.get_dummy_inputs()

         with tempfile.TemporaryDirectory() as tmpdir:
           ema_unet.save_pretrained(_lowerCAmelCase					)
           lowercase     :Optional[int]   						=    UNetaDConditionModel.from_pretrained(_lowerCAmelCase							,       model_cls=_lowerCAmelCase					)
           lowercase     :Tuple   						=    loaded_unet.to(unet.device					)

         # Since no EMA step has been performed the outputs should match.
         lowercase     :Dict   						=    unet(_lowerCAmelCase							,       _lowerCAmelCase							,       _lowerCAmelCase					).sample
         lowercase     :Any   						=    loaded_unet(_lowerCAmelCase							,       _lowerCAmelCase							,       _lowerCAmelCase					).sample

         assert torch.allclose(_lowerCAmelCase							,       _lowerCAmelCase							,       atol=1e-4					)



