code: 
  '''simple docstring'''
  
  
  
  import os
  
  from packaging import version
  
  from .. import __version__
  from .accelerate_utils import apply_forward_hook
  from .constants import (
      CONFIG_NAME,
      DEPRECATED_REVISION_ARGS,
      DIFFUSERS_CACHE,
      DIFFUSERS_DYNAMIC_MODULE_NAME,
      FLAX_WEIGHTS_NAME,
      HF_MODULES_CACHE,
      HUGGINGFACE_CO_RESOLVE_ENDPOINT,
      ONNX_EXTERNAL_WEIGHTS_NAME,
      ONNX_WEIGHTS_NAME,
      SAFETENSORS_WEIGHTS_NAME,
      TEXT_ENCODER_ATTN_MODULE,
      WEIGHTS_NAME,
  )
  from .deprecation_utils import deprecate
  from .doc_utils import replace_example_docstring
  from .dynamic_modules_utils import get_class_from_dynamic_module
  from .hub_utils import (
      HF_HUB_OFFLINE,
      _add_variant,
      _get_model_file,
      extract_commit_hash,
      http_user_agent,
  )
  from .import_utils import (
      BACKENDS_MAPPING,
      ENV_VARS_TRUE_AND_AUTO_VALUES,
      ENV_VARS_TRUE_VALUES,
      USE_JAX,
      USE_TF,
      USE_TORCH,
      DummyObject,
      OptionalDependencyNotAvailable,
      is_accelerate_available,
      is_accelerate_version,
      is_bsa_available,
      is_flax_available,
      is_ftfy_available,
      is_inflect_available,
      is_invisible_watermark_available,
      is_k_diffusion_available,
      is_k_diffusion_version,
      is_librosa_available,
      is_note_seq_available,
      is_omegaconf_available,
      is_onnx_available,
      is_safetensors_available,
      is_scipy_available,
      is_tensorboard_available,
      is_tf_available,
      is_torch_available,
      is_torch_version,
      is_torchsde_available,
      is_transformers_available,
      is_transformers_version,
      is_unidecode_available,
      is_wandb_available,
      is_xformers_available,
      requires_backends,
  )
  from .logging import get_logger
  from .outputs import BaseOutput
  from .pil_utils import PIL_INTERPOLATION, numpy_to_pil, pt_to_pil
  from .torch_utils import is_compiled_module, randn_tensor
  
  
  if is_torch_available():
  				from .testing_utils import (
  				    floats_tensor,
  				    load_hf_numpy,
  				    load_image,
  				    load_numpy,
  				    load_pt,
  				    nightly,
  				    parse_flag_from_env,
  				    print_tensor_test,
  				    require_torch_a,
  				    require_torch_gpu,
  				    skip_mps,
  				    slow,
  				    torch_all_close,
  				    torch_device,
  				)
  				from .torch_utils import maybe_allow_in_graph
  
  from .testing_utils import export_to_gif, export_to_video
  
  
  __A          =    get_logger(__name__)
  
  
  
  
  
  def  _A		(							lowercase__	):
  						if version.parse(lowercase__	) < version.parse(lowercase__	):
  												if "dev" in min_version:
  																		lowercase__							 =       (
  																		    """This example requires a source install from HuggingFace diffusers (see """
  																		    """`https://huggingface.co/docs/diffusers/installation#install-from-source`),"""
  																		)
  												else:
  																		lowercase__							 =       f'''This example requires a minimum version of {min_version},'''
  												error_message += f''' but the version found is {__version__}.\n'''
  												raise ImportError(lowercase__	)
  
  
  
  
  
  
  
style_context: 
  '''simple docstring'''
  
  
  
  import bisect
  import copy
  from collections import defaultdict
  
  import numpy as np
  from torch.utils.data import BatchSampler, Sampler
  
  from utils import logger
  
  
  
  
  
  def  _A		(							lowercase__		,		lowercase__	):
  						lowercase__							 =       copy.deepcopy(lowercase__	)
  						lowercase__							 =       sorted(lowercase__	)
  						lowercase__							 =       [bisect.bisect_right(lowercase__		,		lowercase__	) for y in x]
  						return quantized
  
  
  
  
  
  def  _A		(							lowercase__		,		lowercase__=0	):
  						lowercase__							 =       np.arange(start=3		,		stop=lowercase__		,		step=4	).tolist() if k > 0 else [10]
  						lowercase__							 =       _quantize(lowercase__		,		lowercase__	)
  						# count number of elements per group
  						lowercase__							 =       np.unique(lowercase__		,		return_counts=lowercase__	)[1]
  						lowercase__							 =       [0] + bins + [np.inf]
  						logger.info("""Using {} as bins for aspect lengths quantization""".format(lowercase__	)	)
  						logger.info("""Count of instances per bin: {}""".format(lowercase__	)	)
  						return groups
  
  
  
  
  
  
  
  class 			A							(       __UpperCAmelCase				):
  
  
  
  			def __init__(					self       ,     lowerCamelCase__       ,     lowerCamelCase__       ,     lowerCamelCase__       )			->		Optional[int]:
  
  
  
  
  									'''simple docstring'''
  
  
  
  									if not isinstance(lowerCamelCase__       ,     lowerCamelCase__       ):
  															raise ValueError(
  															    """sampler should be an instance of torch.utils.data.Sampler, but got sampler={}""".format(lowerCamelCase__       )       )
  									lowercase__							 =       sampler
  									lowercase__							 =       group_ids
  									lowercase__							 =       batch_size
  
  
  
  			def __iter__(					self       )			->		List[str]:
  
  
  
  
  									'''simple docstring'''
  
  
  
  									lowercase__							 =       defaultdict(lowerCamelCase__       )
  									lowercase__							 =       defaultdict(lowerCamelCase__       )
  
  									lowercase__							 =       0
  									for idx in self.sampler:
  															lowercase__							 =       self.group_ids[idx]
  															buffer_per_group[group_id].append(lowerCamelCase__       )
  															samples_per_group[group_id].append(lowerCamelCase__       )
  															if len(buffer_per_group[group_id]       ) == self.batch_size:
  																					yield buffer_per_group[group_id]  # TODO
  																					num_batches += 1
  																					del buffer_per_group[group_id]
  															assert len(buffer_per_group[group_id]       ) < self.batch_size
  
  									# now we have run out of elements that satisfy
  									# the group criteria, let's return the remaining
  									# elements so that the size of the sampler is
  									# deterministic
  									lowercase__							 =       len(self       )
  									lowercase__							 =       expected_num_batches - num_batches
  									if num_remaining > 0:
  															# for the remaining batches, group the batches by similar lengths
  															lowercase__							 =       []
  															for group_id, idxs in sorted(buffer_per_group.items()       ,     key=lambda lowerCamelCase__       : x[0]       ):
  																					batch_idx.extend(lowerCamelCase__       )
  																					if len(lowerCamelCase__       ) >= self.batch_size:
  																											yield batch_idx[: self.batch_size]
  																											lowercase__							 =       batch_idx[self.batch_size :]
  																											num_remaining -= 1
  															if len(lowerCamelCase__       ) > 0:
  																					yield batch_idx
  																					num_remaining -= 1
  									assert num_remaining == 0
  
  
  
  			def __len__(					self       )			->		Any:
  
  
  
  
  									'''simple docstring'''
  
  
  
  									return (len(self.sampler       ) + self.batch_size - 1) // self.batch_size
  
  
  
  
  
  
  