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class OobleckDecoder(nn.Module): """Oobleck Decoder""" def __init__(self, channels, input_channels, audio_channels, upsampling_ratios, channel_multiples): super().__init__() strides = upsampling_ratios channel_multiples = [1] + channel_multiples # Add first conv layer ...
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class AutoencoderOobleck(ModelMixin, ConfigMixin): r""" An autoencoder for encoding waveforms into latents and decoding latent representations into waveforms. First introduced in Stable Audio. This model inherits from [`ModelMixin`]. Check the superclass documentation for it's generic methods implement...
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class LTXVideoCausalConv3d(nn.Module): def __init__( self, in_channels: int, out_channels: int, kernel_size: Union[int, Tuple[int, int, int]] = 3, stride: Union[int, Tuple[int, int, int]] = 1, dilation: Union[int, Tuple[int, int, int]] = 1, groups: int = 1, ...
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class LTXVideoResnetBlock3d(nn.Module): r""" A 3D ResNet block used in the LTXVideo model. Args: in_channels (`int`): Number of input channels. out_channels (`int`, *optional*): Number of output channels. If None, defaults to `in_channels`. dropout (`float`, ...
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class LTXVideoUpsampler3d(nn.Module): def __init__( self, in_channels: int, stride: Union[int, Tuple[int, int, int]] = 1, is_causal: bool = True, residual: bool = False, upscale_factor: int = 1, ) -> None: super().__init__() self.stride = stride i...
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class LTXVideoDownBlock3D(nn.Module): r""" Down block used in the LTXVideo model. Args: in_channels (`int`): Number of input channels. out_channels (`int`, *optional*): Number of output channels. If None, defaults to `in_channels`. num_layers (`int`, defaults...
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class LTXVideoMidBlock3d(nn.Module): r""" A middle block used in the LTXVideo model. Args: in_channels (`int`): Number of input channels. num_layers (`int`, defaults to `1`): Number of resnet layers. dropout (`float`, defaults to `0.0`): Dropout r...
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class LTXVideoUpBlock3d(nn.Module): r""" Up block used in the LTXVideo model. Args: in_channels (`int`): Number of input channels. out_channels (`int`, *optional*): Number of output channels. If None, defaults to `in_channels`. num_layers (`int`, defaults to ...
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class LTXVideoEncoder3d(nn.Module): r""" The `LTXVideoEncoder3d` layer of a variational autoencoder that encodes input video samples to its latent representation. Args: in_channels (`int`, defaults to 3): Number of input channels. out_channels (`int`, defaults to 128): ...
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class LTXVideoDecoder3d(nn.Module): r""" The `LTXVideoDecoder3d` layer of a variational autoencoder that decodes its latent representation into an output sample. Args: in_channels (`int`, defaults to 128): Number of latent channels. out_channels (`int`, defaults to 3): ...
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class AutoencoderKLLTXVideo(ModelMixin, ConfigMixin, FromOriginalModelMixin): r""" A VAE model with KL loss for encoding images into latents and decoding latent representations into images. Used in [LTX](https://huggingface.co/Lightricks/LTX-Video). This model inherits from [`ModelMixin`]. Check the su...
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class AsymmetricAutoencoderKL(ModelMixin, ConfigMixin): r""" Designing a Better Asymmetric VQGAN for StableDiffusion https://arxiv.org/abs/2306.04632 . A VAE model with KL loss for encoding images into latents and decoding latent representations into images. This model inherits from [`ModelMixin`]. Che...
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class VQEncoderOutput(BaseOutput): """ Output of VQModel encoding method. Args: latents (`torch.Tensor` of shape `(batch_size, num_channels, height, width)`): The encoded output sample from the last layer of the model. """ latents: torch.Tensor
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class VQModel(ModelMixin, ConfigMixin): r""" A VQ-VAE model for decoding latent representations. This model inherits from [`ModelMixin`]. Check the superclass documentation for it's generic methods implemented for all models (such as downloading or saving). Parameters: in_channels (int, *o...
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class ResBlock(nn.Module): def __init__( self, in_channels: int, out_channels: int, norm_type: str = "batch_norm", act_fn: str = "relu6", ) -> None: super().__init__() self.norm_type = norm_type self.nonlinearity = get_activation(act_fn) if act_f...
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class EfficientViTBlock(nn.Module): def __init__( self, in_channels: int, mult: float = 1.0, attention_head_dim: int = 32, qkv_multiscales: Tuple[int, ...] = (5,), norm_type: str = "batch_norm", ) -> None: super().__init__() self.attn = SanaMultis...
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class DCDownBlock2d(nn.Module): def __init__(self, in_channels: int, out_channels: int, downsample: bool = False, shortcut: bool = True) -> None: super().__init__() self.downsample = downsample self.factor = 2 self.stride = 1 if downsample else 2 self.group_size = in_channel...
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class DCUpBlock2d(nn.Module): def __init__( self, in_channels: int, out_channels: int, interpolate: bool = False, shortcut: bool = True, interpolation_mode: str = "nearest", ) -> None: super().__init__() self.interpolate = interpolate self...
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class Encoder(nn.Module): def __init__( self, in_channels: int, latent_channels: int, attention_head_dim: int = 32, block_type: Union[str, Tuple[str]] = "ResBlock", block_out_channels: Tuple[int] = (128, 256, 512, 512, 1024, 1024), layers_per_block: Tuple[int]...
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class Decoder(nn.Module): def __init__( self, in_channels: int, latent_channels: int, attention_head_dim: int = 32, block_type: Union[str, Tuple[str]] = "ResBlock", block_out_channels: Tuple[int] = (128, 256, 512, 512, 1024, 1024), layers_per_block: Tuple[int]...
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class AutoencoderDC(ModelMixin, ConfigMixin, FromOriginalModelMixin): r""" An Autoencoder model introduced in [DCAE](https://arxiv.org/abs/2410.10733) and used in [SANA](https://arxiv.org/abs/2410.10629). This model inherits from [`ModelMixin`]. Check the superclass documentation for it's generic metho...
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class EncoderOutput(BaseOutput): r""" Output of encoding method. Args: latent (`torch.Tensor` of shape `(batch_size, num_channels, latent_height, latent_width)`): The encoded latent. """ latent: torch.Tensor
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class DecoderOutput(BaseOutput): r""" Output of decoding method. Args: sample (`torch.Tensor` of shape `(batch_size, num_channels, height, width)`): The decoded output sample from the last layer of the model. """ sample: torch.Tensor commit_loss: Optional[torch.FloatTensor]...
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class Encoder(nn.Module): r""" The `Encoder` layer of a variational autoencoder that encodes its input into a latent representation. Args: in_channels (`int`, *optional*, defaults to 3): The number of input channels. out_channels (`int`, *optional*, defaults to 3): T...
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class Decoder(nn.Module): r""" The `Decoder` layer of a variational autoencoder that decodes its latent representation into an output sample. Args: in_channels (`int`, *optional*, defaults to 3): The number of input channels. out_channels (`int`, *optional*, defaults to 3): ...
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class UpSample(nn.Module): r""" The `UpSample` layer of a variational autoencoder that upsamples its input. Args: in_channels (`int`, *optional*, defaults to 3): The number of input channels. out_channels (`int`, *optional*, defaults to 3): The number of output chann...
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class MaskConditionEncoder(nn.Module): """ used in AsymmetricAutoencoderKL """ def __init__( self, in_ch: int, out_ch: int = 192, res_ch: int = 768, stride: int = 16, ) -> None: super().__init__() channels = [] while stride > 1: ...
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class MaskConditionDecoder(nn.Module): r"""The `MaskConditionDecoder` should be used in combination with [`AsymmetricAutoencoderKL`] to enhance the model's decoder with a conditioner on the mask and masked image. Args: in_channels (`int`, *optional*, defaults to 3): The number of input ...
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class VectorQuantizer(nn.Module): """ Improved version over VectorQuantizer, can be used as a drop-in replacement. Mostly avoids costly matrix multiplications and allows for post-hoc remapping of indices. """ # NOTE: due to a bug the beta term was applied to the wrong term. for # backwards comp...
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class DiagonalGaussianDistribution(object): def __init__(self, parameters: torch.Tensor, deterministic: bool = False): self.parameters = parameters self.mean, self.logvar = torch.chunk(parameters, 2, dim=1) self.logvar = torch.clamp(self.logvar, -30.0, 20.0) self.deterministic = dete...
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class EncoderTiny(nn.Module): r""" The `EncoderTiny` layer is a simpler version of the `Encoder` layer. Args: in_channels (`int`): The number of input channels. out_channels (`int`): The number of output channels. num_blocks (`Tuple[int, ...]`): E...
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class DecoderTiny(nn.Module): r""" The `DecoderTiny` layer is a simpler version of the `Decoder` layer. Args: in_channels (`int`): The number of input channels. out_channels (`int`): The number of output channels. num_blocks (`Tuple[int, ...]`): E...
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class AutoencoderTinyOutput(BaseOutput): """ Output of AutoencoderTiny encoding method. Args: latents (`torch.Tensor`): Encoded outputs of the `Encoder`. """ latents: torch.Tensor
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class AutoencoderTiny(ModelMixin, ConfigMixin): r""" A tiny distilled VAE model for encoding images into latents and decoding latent representations into images. [`AutoencoderTiny`] is a wrapper around the original implementation of `TAESD`. This model inherits from [`ModelMixin`]. Check the superclas...
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class AllegroTemporalConvLayer(nn.Module): r""" Temporal convolutional layer that can be used for video (sequence of images) input. Code adapted from: https://github.com/modelscope/modelscope/blob/1509fdb973e5871f37148a4b5e5964cafd43e64d/modelscope/models/multi_modal/video_synthesis/unet_sd.py#L1016 """...
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class AllegroDownBlock3D(nn.Module): def __init__( self, in_channels: int, out_channels: int, dropout: float = 0.0, num_layers: int = 1, resnet_eps: float = 1e-6, resnet_time_scale_shift: str = "default", resnet_act_fn: str = "swish", resnet_gr...
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class AllegroUpBlock3D(nn.Module): def __init__( self, in_channels: int, out_channels: int, dropout: float = 0.0, num_layers: int = 1, resnet_eps: float = 1e-6, resnet_time_scale_shift: str = "default", # default, spatial resnet_act_fn: str = "swish",...
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class AllegroMidBlock3DConv(nn.Module): def __init__( self, in_channels: int, temb_channels: int, dropout: float = 0.0, num_layers: int = 1, resnet_eps: float = 1e-6, resnet_time_scale_shift: str = "default", # default, spatial resnet_act_fn: str = "s...
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class AllegroEncoder3D(nn.Module): def __init__( self, in_channels: int = 3, out_channels: int = 3, down_block_types: Tuple[str, ...] = ( "AllegroDownBlock3D", "AllegroDownBlock3D", "AllegroDownBlock3D", "AllegroDownBlock3D", ),...
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class AllegroDecoder3D(nn.Module): def __init__( self, in_channels: int = 4, out_channels: int = 3, up_block_types: Tuple[str, ...] = ( "AllegroUpBlock3D", "AllegroUpBlock3D", "AllegroUpBlock3D", "AllegroUpBlock3D", ), t...
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class AutoencoderKLAllegro(ModelMixin, ConfigMixin): r""" A VAE model with KL loss for encoding videos into latents and decoding latent representations into videos. Used in [Allegro](https://github.com/rhymes-ai/Allegro). This model inherits from [`ModelMixin`]. Check the superclass documentation for i...
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class HunyuanVideoCausalConv3d(nn.Module): def __init__( self, in_channels: int, out_channels: int, kernel_size: Union[int, Tuple[int, int, int]] = 3, stride: Union[int, Tuple[int, int, int]] = 1, padding: Union[int, Tuple[int, int, int]] = 0, dilation: Union[...
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class HunyuanVideoUpsampleCausal3D(nn.Module): def __init__( self, in_channels: int, out_channels: Optional[int] = None, kernel_size: int = 3, stride: int = 1, bias: bool = True, upsample_factor: Tuple[float, float, float] = (2, 2, 2), ) -> None: s...
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class HunyuanVideoDownsampleCausal3D(nn.Module): def __init__( self, channels: int, out_channels: Optional[int] = None, padding: int = 1, kernel_size: int = 3, bias: bool = True, stride=2, ) -> None: super().__init__() out_channels = out_ch...
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class HunyuanVideoResnetBlockCausal3D(nn.Module): def __init__( self, in_channels: int, out_channels: Optional[int] = None, dropout: float = 0.0, groups: int = 32, eps: float = 1e-6, non_linearity: str = "swish", ) -> None: super().__init__() ...
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class HunyuanVideoMidBlock3D(nn.Module): def __init__( self, in_channels: int, dropout: float = 0.0, num_layers: int = 1, resnet_eps: float = 1e-6, resnet_act_fn: str = "swish", resnet_groups: int = 32, add_attention: bool = True, attention_hea...
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class HunyuanVideoDownBlock3D(nn.Module): def __init__( self, in_channels: int, out_channels: int, dropout: float = 0.0, num_layers: int = 1, resnet_eps: float = 1e-6, resnet_act_fn: str = "swish", resnet_groups: int = 32, add_downsample: bool ...
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class HunyuanVideoUpBlock3D(nn.Module): def __init__( self, in_channels: int, out_channels: int, dropout: float = 0.0, num_layers: int = 1, resnet_eps: float = 1e-6, resnet_act_fn: str = "swish", resnet_groups: int = 32, add_upsample: bool = Tr...
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class HunyuanVideoEncoder3D(nn.Module): r""" Causal encoder for 3D video-like data introduced in [Hunyuan Video](https://huggingface.co/papers/2412.03603). """ def __init__( self, in_channels: int = 3, out_channels: int = 3, down_block_types: Tuple[str, ...] = ( ...
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class HunyuanVideoDecoder3D(nn.Module): r""" Causal decoder for 3D video-like data introduced in [Hunyuan Video](https://huggingface.co/papers/2412.03603). """ def __init__( self, in_channels: int = 3, out_channels: int = 3, up_block_types: Tuple[str, ...] = ( ...
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class AutoencoderKLHunyuanVideo(ModelMixin, ConfigMixin): r""" A VAE model with KL loss for encoding videos into latents and decoding latent representations into videos. Introduced in [HunyuanVideo](https://huggingface.co/papers/2412.03603). This model inherits from [`ModelMixin`]. Check the superclass...
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class EnvironmentCommand(BaseDiffusersCLICommand): @staticmethod def register_subcommand(parser: ArgumentParser) -> None: download_parser = parser.add_parser("env") download_parser.set_defaults(func=info_command_factory) def run(self) -> dict: hub_version = huggingface_hub.__version...
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class BaseDiffusersCLICommand(ABC): @staticmethod @abstractmethod def register_subcommand(parser: ArgumentParser): raise NotImplementedError() @abstractmethod def run(self): raise NotImplementedError()
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class FP16SafetensorsCommand(BaseDiffusersCLICommand): @staticmethod def register_subcommand(parser: ArgumentParser): conversion_parser = parser.add_parser("fp16_safetensors") conversion_parser.add_argument( "--ckpt_id", type=str, help="Repo id of the checkpoi...
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class SD3Transformer2DLoadersMixin: """Load IP-Adapters and LoRA layers into a `[SD3Transformer2DModel]`.""" def _load_ip_adapter_weights(self, state_dict: Dict, low_cpu_mem_usage: bool = _LOW_CPU_MEM_USAGE_DEFAULT) -> None: """Sets IP-Adapter attention processors, image projection, and loads state_dic...
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class FromSingleFileMixin: """ Load model weights saved in the `.ckpt` format into a [`DiffusionPipeline`]. """ @classmethod @validate_hf_hub_args def from_single_file(cls, pretrained_model_link_or_path, **kwargs): r""" Instantiate a [`DiffusionPipeline`] from pretrained pipelin...
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class PeftAdapterMixin: """ A class containing all functions for loading and using adapters weights that are supported in PEFT library. For more details about adapters and injecting them in a base model, check out the PEFT [documentation](https://huggingface.co/docs/peft/index). Install the latest ...
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class UNet2DConditionLoadersMixin: """ Load LoRA layers into a [`UNet2DCondtionModel`]. """ text_encoder_name = TEXT_ENCODER_NAME unet_name = UNET_NAME @validate_hf_hub_args def load_attn_procs(self, pretrained_model_name_or_path_or_dict: Union[str, Dict[str, torch.Tensor]], **kwargs): ...
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class TextualInversionLoaderMixin: r""" Load Textual Inversion tokens and embeddings to the tokenizer and text encoder. """ def maybe_convert_prompt(self, prompt: Union[str, List[str]], tokenizer: "PreTrainedTokenizer"): # noqa: F821 r""" Processes prompts that include a special token ...
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class FromOriginalModelMixin: """ Load pretrained weights saved in the `.ckpt` or `.safetensors` format into a model. """ @classmethod @validate_hf_hub_args def from_single_file(cls, pretrained_model_link_or_path_or_dict: Optional[str] = None, **kwargs): r""" Instantiate a model...
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class LoraBaseMixin: """Utility class for handling LoRAs.""" _lora_loadable_modules = [] num_fused_loras = 0 def load_lora_weights(self, **kwargs): raise NotImplementedError("`load_lora_weights()` is not implemented.") @classmethod def save_lora_weights(cls, **kwargs): raise N...
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class SingleFileComponentError(Exception): def __init__(self, message=None): self.message = message super().__init__(self.message)
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class StableDiffusionLoraLoaderMixin(LoraBaseMixin): r""" Load LoRA layers into Stable Diffusion [`UNet2DConditionModel`] and [`CLIPTextModel`](https://huggingface.co/docs/transformers/model_doc/clip#transformers.CLIPTextModel). """ _lora_loadable_modules = ["unet", "text_encoder"] unet_name = ...
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class StableDiffusionXLLoraLoaderMixin(LoraBaseMixin): r""" Load LoRA layers into Stable Diffusion XL [`UNet2DConditionModel`], [`CLIPTextModel`](https://huggingface.co/docs/transformers/model_doc/clip#transformers.CLIPTextModel), and [`CLIPTextModelWithProjection`](https://huggingface.co/docs/transform...
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class SD3LoraLoaderMixin(LoraBaseMixin): r""" Load LoRA layers into [`SD3Transformer2DModel`], [`CLIPTextModel`](https://huggingface.co/docs/transformers/model_doc/clip#transformers.CLIPTextModel), and [`CLIPTextModelWithProjection`](https://huggingface.co/docs/transformers/model_doc/clip#transformers.C...
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class FluxLoraLoaderMixin(LoraBaseMixin): r""" Load LoRA layers into [`FluxTransformer2DModel`], [`CLIPTextModel`](https://huggingface.co/docs/transformers/model_doc/clip#transformers.CLIPTextModel). Specific to [`StableDiffusion3Pipeline`]. """ _lora_loadable_modules = ["transformer", "text_e...
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class AmusedLoraLoaderMixin(StableDiffusionLoraLoaderMixin): _lora_loadable_modules = ["transformer", "text_encoder"] transformer_name = TRANSFORMER_NAME text_encoder_name = TEXT_ENCODER_NAME @classmethod # Copied from diffusers.loaders.lora_pipeline.FluxLoraLoaderMixin.load_lora_into_transformer w...
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class CogVideoXLoraLoaderMixin(LoraBaseMixin): r""" Load LoRA layers into [`CogVideoXTransformer3DModel`]. Specific to [`CogVideoXPipeline`]. """ _lora_loadable_modules = ["transformer"] transformer_name = TRANSFORMER_NAME @classmethod @validate_hf_hub_args # Copied from diffusers.load...
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class Mochi1LoraLoaderMixin(LoraBaseMixin): r""" Load LoRA layers into [`MochiTransformer3DModel`]. Specific to [`MochiPipeline`]. """ _lora_loadable_modules = ["transformer"] transformer_name = TRANSFORMER_NAME @classmethod @validate_hf_hub_args # Copied from diffusers.loaders.lora_pi...
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class LTXVideoLoraLoaderMixin(LoraBaseMixin): r""" Load LoRA layers into [`LTXVideoTransformer3DModel`]. Specific to [`LTXPipeline`]. """ _lora_loadable_modules = ["transformer"] transformer_name = TRANSFORMER_NAME @classmethod @validate_hf_hub_args # Copied from diffusers.loaders.lora...
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class SanaLoraLoaderMixin(LoraBaseMixin): r""" Load LoRA layers into [`SanaTransformer2DModel`]. Specific to [`SanaPipeline`]. """ _lora_loadable_modules = ["transformer"] transformer_name = TRANSFORMER_NAME @classmethod @validate_hf_hub_args # Copied from diffusers.loaders.lora_pipeli...
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class HunyuanVideoLoraLoaderMixin(LoraBaseMixin): r""" Load LoRA layers into [`HunyuanVideoTransformer3DModel`]. Specific to [`HunyuanVideoPipeline`]. """ _lora_loadable_modules = ["transformer"] transformer_name = TRANSFORMER_NAME @classmethod @validate_hf_hub_args def lora_state_dict...
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class LoraLoaderMixin(StableDiffusionLoraLoaderMixin): def __init__(self, *args, **kwargs): deprecation_message = "LoraLoaderMixin is deprecated and this will be removed in a future version. Please use `StableDiffusionLoraLoaderMixin`, instead." deprecate("LoraLoaderMixin", "1.0.0", deprecation_mess...
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class IPAdapterMixin: """Mixin for handling IP Adapters.""" @validate_hf_hub_args def load_ip_adapter( self, pretrained_model_name_or_path_or_dict: Union[str, List[str], Dict[str, torch.Tensor]], subfolder: Union[str, List[str]], weight_name: Union[str, List[str]], i...
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class FluxIPAdapterMixin: """Mixin for handling Flux IP Adapters.""" @validate_hf_hub_args def load_ip_adapter( self, pretrained_model_name_or_path_or_dict: Union[str, List[str], Dict[str, torch.Tensor]], weight_name: Union[str, List[str]], subfolder: Optional[Union[str, Lis...
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class SD3IPAdapterMixin: """Mixin for handling StableDiffusion 3 IP Adapters.""" @property def is_ip_adapter_active(self) -> bool: """Checks if IP-Adapter is loaded and scale > 0. IP-Adapter scale controls the influence of the image prompt versus text prompt. When this value is set to 0, ...
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class AttnProcsLayers(torch.nn.Module): def __init__(self, state_dict: Dict[str, torch.Tensor]): super().__init__() self.layers = torch.nn.ModuleList(state_dict.values()) self.mapping = dict(enumerate(state_dict.keys())) self.rev_mapping = {v: k for k, v in enumerate(state_dict.keys(...
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class FluxTransformer2DLoadersMixin: """ Load layers into a [`FluxTransformer2DModel`]. """ def _convert_ip_adapter_image_proj_to_diffusers(self, state_dict, low_cpu_mem_usage=False): if low_cpu_mem_usage: if is_accelerate_available(): from accelerate import init_emp...
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class SASolverScheduler(SchedulerMixin, ConfigMixin): """ `SASolverScheduler` is a fast dedicated high-order solver for diffusion SDEs. This model inherits from [`SchedulerMixin`] and [`ConfigMixin`]. Check the superclass documentation for the generic methods the library implements for all schedulers s...
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class KarrasVeSchedulerState: # setable values num_inference_steps: Optional[int] = None timesteps: Optional[jnp.ndarray] = None schedule: Optional[jnp.ndarray] = None # sigma(t_i) @classmethod def create(cls): return cls()
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class FlaxKarrasVeOutput(BaseOutput): """ Output class for the scheduler's step function output. Args: prev_sample (`jnp.ndarray` of shape `(batch_size, num_channels, height, width)` for images): Computed sample (x_{t-1}) of previous timestep. `prev_sample` should be used as next model ...
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class FlaxKarrasVeScheduler(FlaxSchedulerMixin, ConfigMixin): """ Stochastic sampling from Karras et al. [1] tailored to the Variance-Expanding (VE) models [2]. Use Algorithm 2 and the VE column of Table 1 from [1] for reference. [1] Karras, Tero, et al. "Elucidating the Design Space of Diffusion-Based...
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class FlowMatchEulerDiscreteSchedulerOutput(BaseOutput): """ Output class for the scheduler's `step` function output. Args: prev_sample (`torch.FloatTensor` of shape `(batch_size, num_channels, height, width)` for images): Computed sample `(x_{t-1})` of previous timestep. `prev_sample` ...
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class FlowMatchEulerDiscreteScheduler(SchedulerMixin, ConfigMixin): """ Euler scheduler. This model inherits from [`SchedulerMixin`] and [`ConfigMixin`]. Check the superclass documentation for the generic methods the library implements for all schedulers such as loading and saving. Args: n...
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class EulerDiscreteSchedulerOutput(BaseOutput): """ Output class for the scheduler's `step` function output. Args: prev_sample (`torch.Tensor` of shape `(batch_size, num_channels, height, width)` for images): Computed sample `(x_{t-1})` of previous timestep. `prev_sample` should be used...
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class EulerDiscreteScheduler(SchedulerMixin, ConfigMixin): """ Euler scheduler. This model inherits from [`SchedulerMixin`] and [`ConfigMixin`]. Check the superclass documentation for the generic methods the library implements for all schedulers such as loading and saving. Args: num_train_...
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class CosineDPMSolverMultistepScheduler(SchedulerMixin, ConfigMixin): """ Implements a variant of `DPMSolverMultistepScheduler` with cosine schedule, proposed by Nichol and Dhariwal (2021). This scheduler was used in Stable Audio Open [1]. [1] Evans, Parker, et al. "Stable Audio Open" https://arxiv.org...
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class LCMSchedulerOutput(BaseOutput): """ Output class for the scheduler's `step` function output. Args: prev_sample (`torch.Tensor` of shape `(batch_size, num_channels, height, width)` for images): Computed sample `(x_{t-1})` of previous timestep. `prev_sample` should be used as next m...
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class LCMScheduler(SchedulerMixin, ConfigMixin): """ `LCMScheduler` extends the denoising procedure introduced in denoising diffusion probabilistic models (DDPMs) with non-Markovian guidance. This model inherits from [`SchedulerMixin`] and [`ConfigMixin`]. [`~ConfigMixin`] takes care of storing all con...
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class DDPMSchedulerOutput(BaseOutput): """ Output class for the scheduler's `step` function output. Args: prev_sample (`torch.Tensor` of shape `(batch_size, num_channels, height, width)` for images): Computed sample `(x_{t-1})` of previous timestep. `prev_sample` should be used as next ...
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class DDPMScheduler(SchedulerMixin, ConfigMixin): """ `DDPMScheduler` explores the connections between denoising score matching and Langevin dynamics sampling. This model inherits from [`SchedulerMixin`] and [`ConfigMixin`]. Check the superclass documentation for the generic methods the library impleme...
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class HeunDiscreteSchedulerOutput(BaseOutput): """ Output class for the scheduler's `step` function output. Args: prev_sample (`torch.Tensor` of shape `(batch_size, num_channels, height, width)` for images): Computed sample `(x_{t-1})` of previous timestep. `prev_sample` should be used ...
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class HeunDiscreteScheduler(SchedulerMixin, ConfigMixin): """ Scheduler with Heun steps for discrete beta schedules. This model inherits from [`SchedulerMixin`] and [`ConfigMixin`]. Check the superclass documentation for the generic methods the library implements for all schedulers such as loading and ...
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class KDPM2DiscreteSchedulerOutput(BaseOutput): """ Output class for the scheduler's `step` function output. Args: prev_sample (`torch.Tensor` of shape `(batch_size, num_channels, height, width)` for images): Computed sample `(x_{t-1})` of previous timestep. `prev_sample` should be used...
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class KDPM2DiscreteScheduler(SchedulerMixin, ConfigMixin): """ KDPM2DiscreteScheduler is inspired by the DPMSolver2 and Algorithm 2 from the [Elucidating the Design Space of Diffusion-Based Generative Models](https://huggingface.co/papers/2206.00364) paper. This model inherits from [`SchedulerMixin`] a...
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class PNDMSchedulerState: common: CommonSchedulerState final_alpha_cumprod: jnp.ndarray # setable values init_noise_sigma: jnp.ndarray timesteps: jnp.ndarray num_inference_steps: Optional[int] = None prk_timesteps: Optional[jnp.ndarray] = None plms_timesteps: Optional[jnp.ndarray] = Non...
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class FlaxPNDMSchedulerOutput(FlaxSchedulerOutput): state: PNDMSchedulerState
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class FlaxPNDMScheduler(FlaxSchedulerMixin, ConfigMixin): """ Pseudo numerical methods for diffusion models (PNDM) proposes using more advanced ODE integration techniques, namely Runge-Kutta method and a linear multi-step method. [`~ConfigMixin`] takes care of storing all config attributes that are pas...
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class DDIMSchedulerOutput(BaseOutput): """ Output class for the scheduler's `step` function output. Args: prev_sample (`torch.Tensor` of shape `(batch_size, num_channels, height, width)` for images): Computed sample `(x_{t-1})` of previous timestep. `prev_sample` should be used as next ...
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class CogVideoXDPMScheduler(SchedulerMixin, ConfigMixin): """ `DDIMScheduler` extends the denoising procedure introduced in denoising diffusion probabilistic models (DDPMs) with non-Markovian guidance. This model inherits from [`SchedulerMixin`] and [`ConfigMixin`]. Check the superclass documentation f...
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