text stringlengths 1 1.02k | class_index int64 0 1.38k | source stringclasses 431
values |
|---|---|---|
if batch_size > init_latents.shape[0] and batch_size % init_latents.shape[0] == 0:
# expand init_latents for batch_size
additional_image_per_prompt = batch_size // init_latents.shape[0]
init_latents = torch.cat([init_latents] * additional_image_per_prompt, dim=0)
elif batch_s... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
# Copied from diffusers.pipelines.stable_diffusion_xl.pipeline_stable_diffusion_xl.StableDiffusionXLPipeline._get_add_time_ids
def _get_add_time_ids(
self, original_size, crops_coords_top_left, target_size, dtype, text_encoder_projection_dim=None
):
add_time_ids = list(original_size + crops_coor... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
add_time_ids = torch.tensor([add_time_ids], dtype=dtype)
return add_time_ids
# Copied from diffusers.pipelines.stable_diffusion_xl.pipeline_stable_diffusion_xl.StableDiffusionXLPipeline.upcast_vae
def upcast_vae(self):
dtype = self.vae.dtype
self.vae.to(dtype=torch.float32)
use_... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
# Copied from diffusers.pipelines.latent_consistency_models.pipeline_latent_consistency_text2img.LatentConsistencyModelPipeline.get_guidance_scale_embedding
def get_guidance_scale_embedding(
self, w: torch.Tensor, embedding_dim: int = 512, dtype: torch.dtype = torch.float32
) -> torch.Tensor:
""... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
Returns:
`torch.Tensor`: Embedding vectors with shape `(len(w), embedding_dim)`.
"""
assert len(w.shape) == 1
w = w * 1000.0
half_dim = embedding_dim // 2
emb = torch.log(torch.tensor(10000.0)) / (half_dim - 1)
emb = torch.exp(torch.arange(half_dim, dtype=dty... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
# here `guidance_scale` is defined analog to the guidance weight `w` of equation (2)
# of the Imagen paper: https://arxiv.org/pdf/2205.11487.pdf . `guidance_scale = 1`
# corresponds to doing no classifier free guidance.
@property
def do_classifier_free_guidance(self):
return self._guidance_scale... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
@torch.no_grad()
@replace_example_docstring(EXAMPLE_DOC_STRING)
def __call__(
self,
prompt: Union[str, List[str]] = None,
image: PipelineImageInput = None,
strength: float = 0.3,
height: Optional[int] = None,
width: Optional[int] = None,
num_inference_step... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
negative_pooled_prompt_embeds: Optional[torch.Tensor] = None,
ip_adapter_image: Optional[PipelineImageInput] = None,
ip_adapter_image_embeds: Optional[List[torch.Tensor]] = None,
output_type: Optional[str] = "pil",
return_dict: bool = True,
cross_attention_kwargs: Optional[Dict[s... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
Function invoked when calling the pipeline for generation. | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
Args:
prompt (`str` or `List[str]`, *optional*):
The prompt or prompts to guide the image generation. If not defined, one has to pass `prompt_embeds`.
instead.
image (`torch.Tensor` or `PIL.Image.Image` or `np.ndarray` or `List[torch.Tensor]` or `List[PIL.Image.Im... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
`num_inference_steps`. A value of 1, therefore, essentially ignores `image`. Note that in the case of
`denoising_start` being declared as an integer, the value of `strength` will be ignored.
height (`int`, *optional*, defaults to self.unet.config.sample_size * self.vae_scale_factor):
... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
[Kwai-Kolors/Kolors-diffusers](https://huggingface.co/Kwai-Kolors/Kolors-diffusers) and checkpoints
that are not specifically fine-tuned on low resolutions.
num_inference_steps (`int`, *optional*, defaults to 50):
The number of denoising steps. More denoising steps usually le... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
their `set_timesteps` method. If not defined, the default behavior when `num_inference_steps` is passed
will be used.
denoising_start (`float`, *optional*):
When specified, indicates the fraction (between 0.0 and 1.0) of the total denoising process to be
bypas... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
When specified, determines the fraction (between 0.0 and 1.0) of the total denoising process to be
completed before it is intentionally prematurely terminated. As a result, the returned sample will
still retain a substantial amount of noise as determined by the discrete timesteps selecte... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
Paper](https://arxiv.org/pdf/2205.11487.pdf). Guidance scale is enabled by setting `guidance_scale >
1`. Higher guidance scale encourages to generate images that are closely linked to the text `prompt`,
usually at the expense of lower image quality.
negative_prompt (`str` or ... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
generator (`torch.Generator` or `List[torch.Generator]`, *optional*):
One or a list of [torch generator(s)](https://pytorch.org/docs/stable/generated/torch.Generator.html)
to make generation deterministic.
latents (`torch.Tensor`, *optional*):
Pre-generated no... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
Pre-generated pooled text embeddings. Can be used to easily tweak text inputs, *e.g.* prompt weighting.
If not provided, pooled text embeddings will be generated from `prompt` input argument.
negative_prompt_embeds (`torch.Tensor`, *optional*):
Pre-generated negative text emb... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
ip_adapter_image_embeds (`List[torch.Tensor]`, *optional*):
Pre-generated image embeddings for IP-Adapter. It should be a list of length same as number of
IP-adapters. Each element should be a tensor of shape `(batch_size, num_images, emb_dim)`. It should
contain the nega... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
A kwargs dictionary that if specified is passed along to the `AttentionProcessor` as defined under
`self.processor` in
[diffusers.models.attention_processor](https://github.com/huggingface/diffusers/blob/main/src/diffusers/models/attention_processor.py).
original_size (`Tuple... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
`crops_coords_top_left` downwards. Favorable, well-centered images are usually achieved by setting
`crops_coords_top_left` to (0, 0). Part of SDXL's micro-conditioning as explained in section 2.2 of
[https://huggingface.co/papers/2307.01952](https://huggingface.co/papers/2307.01952).
... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
micro-conditioning as explained in section 2.2 of
[https://huggingface.co/papers/2307.01952](https://huggingface.co/papers/2307.01952). For more
information, refer to this issue thread: https://github.com/huggingface/diffusers/issues/4208.
negative_crops_coords_top_left (`Tup... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
as the `target_size` for most cases. Part of SDXL's micro-conditioning as explained in section 2.2 of
[https://huggingface.co/papers/2307.01952](https://huggingface.co/papers/2307.01952). For more
information, refer to this issue thread: https://github.com/huggingface/diffusers/issues/42... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
The list of tensor inputs for the `callback_on_step_end` function. The tensors specified in the list
will be passed as `callback_kwargs` argument. You will only be able to include variables listed in the
`._callback_tensor_inputs` attribute of your pipeline class.
max_sequenc... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
Examples:
Returns:
[`~pipelines.kolors.KolorsPipelineOutput`] or `tuple`: [`~pipelines.kolors.KolorsPipelineOutput`] if
`return_dict` is True, otherwise a `tuple`. When returning a tuple, the first element is a list with the
generated images.
"""
if isinstan... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
# 1. Check inputs. Raise error if not correct
self.check_inputs(
prompt,
strength,
num_inference_steps,
height,
width,
negative_prompt,
prompt_embeds,
pooled_prompt_embeds,
negative_prompt_embeds,
... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
# 2. Define call parameters
if prompt is not None and isinstance(prompt, str):
batch_size = 1
elif prompt is not None and isinstance(prompt, list):
batch_size = len(prompt)
else:
batch_size = prompt_embeds.shape[0]
device = self._execution_device
... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
# 5. Prepare timesteps
def denoising_value_valid(dnv):
return isinstance(dnv, float) and 0 < dnv < 1
timesteps, num_inference_steps = retrieve_timesteps(
self.scheduler, num_inference_steps, device, timesteps, sigmas
)
timesteps, num_inference_steps = self.get_t... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
# 6. Prepare latent variables
if latents is None:
latents = self.prepare_latents(
image,
latent_timestep,
batch_size,
num_images_per_prompt,
prompt_embeds.dtype,
device,
generator,
... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
add_time_ids = self._get_add_time_ids(
original_size,
crops_coords_top_left,
target_size,
dtype=prompt_embeds.dtype,
text_encoder_projection_dim=text_encoder_projection_dim,
)
if negative_original_size is not None and negative_target_size is no... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
if self.do_classifier_free_guidance:
prompt_embeds = torch.cat([negative_prompt_embeds, prompt_embeds], dim=0)
add_text_embeds = torch.cat([negative_pooled_prompt_embeds, add_text_embeds], dim=0)
add_time_ids = torch.cat([negative_add_time_ids, add_time_ids], dim=0)
prompt_e... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
# 9.1 Apply denoising_end
if (
self.denoising_end is not None
and self.denoising_start is not None
and denoising_value_valid(self.denoising_end)
and denoising_value_valid(self.denoising_start)
and self.denoising_start >= self.denoising_end
):
... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
timesteps = timesteps[:num_inference_steps] | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
# 9.2 Optionally get Guidance Scale Embedding
timestep_cond = None
if self.unet.config.time_cond_proj_dim is not None:
guidance_scale_tensor = torch.tensor(self.guidance_scale - 1).repeat(batch_size * num_images_per_prompt)
timestep_cond = self.get_guidance_scale_embedding(
... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
# predict the noise residual
added_cond_kwargs = {"text_embeds": add_text_embeds, "time_ids": add_time_ids}
if ip_adapter_image is not None or ip_adapter_image_embeds is not None:
added_cond_kwargs["image_embeds"] = image_embeds
noise_pred = self.une... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
# compute the previous noisy sample x_t -> x_t-1
latents_dtype = latents.dtype
latents = self.scheduler.step(noise_pred, t, latents, **extra_step_kwargs, return_dict=False)[0]
if latents.dtype != latents_dtype:
if torch.backends.mps.is_available():
... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
latents = callback_outputs.pop("latents", latents)
prompt_embeds = callback_outputs.pop("prompt_embeds", prompt_embeds)
negative_prompt_embeds = callback_outputs.pop("negative_prompt_embeds", negative_prompt_embeds)
add_text_embeds = callback_outputs.pop("add_... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
if not output_type == "latent":
# make sure the VAE is in float32 mode, as it overflows in float16
needs_upcasting = self.vae.dtype == torch.float16 and self.vae.config.force_upcast
if needs_upcasting:
self.upcast_vae()
latents = latents.to(next(iter(... | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
if not output_type == "latent":
image = self.image_processor.postprocess(image, output_type=output_type)
# Offload all models
self.maybe_free_model_hooks()
if not return_dict:
return (image,)
return KolorsPipelineOutput(images=image) | 51 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors_img2img.py |
class KolorsPipeline(DiffusionPipeline, StableDiffusionMixin, StableDiffusionXLLoraLoaderMixin, IPAdapterMixin):
r"""
Pipeline for text-to-image generation using Kolors.
This model inherits from [`DiffusionPipeline`]. Check the superclass documentation for the generic methods the
library implements for... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
Args:
vae ([`AutoencoderKL`]):
Variational Auto-Encoder (VAE) Model to encode and decode images to and from latent representations.
text_encoder ([`ChatGLMModel`]):
Frozen text-encoder. Kolors uses [ChatGLM3-6B](https://huggingface.co/THUDM/chatglm3-6b).
tokenizer (`ChatG... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
`Kwai-Kolors/Kolors-diffusers`.
""" | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
model_cpu_offload_seq = "text_encoder->image_encoder->unet->vae"
_optional_components = [
"image_encoder",
"feature_extractor",
]
_callback_tensor_inputs = [
"latents",
"prompt_embeds",
"negative_prompt_embeds",
"add_text_embeds",
"add_time_ids",
... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
self.register_modules(
vae=vae,
text_encoder=text_encoder,
tokenizer=tokenizer,
unet=unet,
scheduler=scheduler,
image_encoder=image_encoder,
feature_extractor=feature_extractor,
)
self.register_to_config(force_zeros_for_... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
def encode_prompt(
self,
prompt,
device: Optional[torch.device] = None,
num_images_per_prompt: int = 1,
do_classifier_free_guidance: bool = True,
negative_prompt=None,
prompt_embeds: Optional[torch.FloatTensor] = None,
pooled_prompt_embeds: Optional[torch.... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
Args:
prompt (`str` or `List[str]`, *optional*):
prompt to be encoded
device: (`torch.device`):
torch device
num_images_per_prompt (`int`):
number of images that should be generated per prompt
do_classifier_free_guidance (`b... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
pooled_prompt_embeds (`torch.Tensor`, *optional*):
Pre-generated pooled text embeddings. Can be used to easily tweak text inputs, *e.g.* prompt weighting.
If not provided, pooled text embeddings will be generated from `prompt` input argument.
negative_prompt_embeds (`torch.Fl... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
max_sequence_length (`int` defaults to 256): Maximum sequence length to use with the `prompt`.
"""
# from IPython import embed; embed(); exit()
device = device or self._execution_device | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
if prompt is not None and isinstance(prompt, str):
batch_size = 1
elif prompt is not None and isinstance(prompt, list):
batch_size = len(prompt)
else:
batch_size = prompt_embeds.shape[0]
# Define tokenizers and text encoders
tokenizers = [self.tokeniz... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
if prompt_embeds is None:
prompt_embeds_list = []
for tokenizer, text_encoder in zip(tokenizers, text_encoders):
text_inputs = tokenizer(
prompt,
padding="max_length",
max_length=max_sequence_length,
... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
# [max_sequence_length, batch, hidden_size] -> [batch, max_sequence_length, hidden_size]
# clone to have a contiguous tensor
prompt_embeds = output.hidden_states[-2].permute(1, 0, 2).clone()
# [max_sequence_length, batch, hidden_size] -> [batch, hidden_size]
... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
if do_classifier_free_guidance and negative_prompt_embeds is None and zero_out_negative_prompt:
negative_prompt_embeds = torch.zeros_like(prompt_embeds)
elif do_classifier_free_guidance and negative_prompt_embeds is None:
uncond_tokens: List[str]
if negative_prompt is None:
... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
f" {prompt} has batch size {batch_size}. Please make sure that passed `negative_prompt` matches"
" the batch size of `prompt`."
)
else:
uncond_tokens = negative_prompt | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
negative_prompt_embeds_list = []
for tokenizer, text_encoder in zip(tokenizers, text_encoders):
uncond_input = tokenizer(
uncond_tokens,
padding="max_length",
max_length=max_sequence_length,
truncation=True,
... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
# [max_sequence_length, batch, hidden_size] -> [batch, max_sequence_length, hidden_size]
# clone to have a contiguous tensor
negative_prompt_embeds = output.hidden_states[-2].permute(1, 0, 2).clone()
# [max_sequence_length, batch, hidden_size] -> [batch, hidden_size]
... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
negative_prompt_embeds = negative_prompt_embeds.repeat(1, num_images_per_prompt, 1)
negative_prompt_embeds = negative_prompt_embeds.view(
batch_size * num_images_per_prompt, seq_len, -1
)
negative_prompt_embeds_list.append(negative_prompt_... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
# Copied from diffusers.pipelines.stable_diffusion.pipeline_stable_diffusion.StableDiffusionPipeline.encode_image
def encode_image(self, image, device, num_images_per_prompt, output_hidden_states=None):
dtype = next(self.image_encoder.parameters()).dtype
if not isinstance(image, torch.Tensor):
... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
image = image.to(device=device, dtype=dtype)
if output_hidden_states:
image_enc_hidden_states = self.image_encoder(image, output_hidden_states=True).hidden_states[-2]
image_enc_hidden_states = image_enc_hidden_states.repeat_interleave(num_images_per_prompt, dim=0)
uncond_imag... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
# Copied from diffusers.pipelines.stable_diffusion.pipeline_stable_diffusion.StableDiffusionPipeline.prepare_ip_adapter_image_embeds
def prepare_ip_adapter_image_embeds(
self, ip_adapter_image, ip_adapter_image_embeds, device, num_images_per_prompt, do_classifier_free_guidance
):
image_embeds = ... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
for single_ip_adapter_image, image_proj_layer in zip(
ip_adapter_image, self.unet.encoder_hid_proj.image_projection_layers
):
output_hidden_state = not isinstance(image_proj_layer, ImageProjection)
single_image_embeds, single_negative_image_embeds = self.encod... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
ip_adapter_image_embeds = []
for i, single_image_embeds in enumerate(image_embeds):
single_image_embeds = torch.cat([single_image_embeds] * num_images_per_prompt, dim=0)
if do_classifier_free_guidance:
single_negative_image_embeds = torch.cat([negative_image_embeds[i]] * ... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
# Copied from diffusers.pipelines.stable_diffusion.pipeline_stable_diffusion.StableDiffusionPipeline.prepare_extra_step_kwargs
def prepare_extra_step_kwargs(self, generator, eta):
# prepare extra kwargs for the scheduler step, since not all schedulers have the same signature
# eta (η) is only used w... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
def check_inputs(
self,
prompt,
num_inference_steps,
height,
width,
negative_prompt=None,
prompt_embeds=None,
pooled_prompt_embeds=None,
negative_prompt_embeds=None,
negative_pooled_prompt_embeds=None,
ip_adapter_image=None,
... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
if callback_on_step_end_tensor_inputs is not None and not all(
k in self._callback_tensor_inputs for k in callback_on_step_end_tensor_inputs
):
raise ValueError(
f"`callback_on_step_end_tensor_inputs` has to be in {self._callback_tensor_inputs}, but found {[k for k in cal... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
if prompt is not None and prompt_embeds is not None:
raise ValueError(
f"Cannot forward both `prompt`: {prompt} and `prompt_embeds`: {prompt_embeds}. Please make sure to"
" only forward one of the two."
)
elif prompt is None and prompt_embeds is None:
... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
if prompt_embeds is not None and negative_prompt_embeds is not None:
if prompt_embeds.shape != negative_prompt_embeds.shape:
raise ValueError(
"`prompt_embeds` and `negative_prompt_embeds` must have the same shape when passed directly, but"
f" got: `pr... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
if negative_prompt_embeds is not None and negative_pooled_prompt_embeds is None:
raise ValueError(
"If `negative_prompt_embeds` are provided, `negative_pooled_prompt_embeds` also have to be passed. Make sure to generate `negative_pooled_prompt_embeds` from the same text encoder that was used... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
if ip_adapter_image_embeds is not None:
if not isinstance(ip_adapter_image_embeds, list):
raise ValueError(
f"`ip_adapter_image_embeds` has to be of type `list` but is {type(ip_adapter_image_embeds)}"
)
elif ip_adapter_image_embeds[0].ndim not ... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
# Copied from diffusers.pipelines.stable_diffusion.pipeline_stable_diffusion.StableDiffusionPipeline.prepare_latents
def prepare_latents(self, batch_size, num_channels_latents, height, width, dtype, device, generator, latents=None):
shape = (
batch_size,
num_channels_latents,
... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
# scale the initial noise by the standard deviation required by the scheduler
latents = latents * self.scheduler.init_noise_sigma
return latents
# Copied from diffusers.pipelines.stable_diffusion_xl.pipeline_stable_diffusion_xl.StableDiffusionXLPipeline._get_add_time_ids
def _get_add_time_ids(
... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
if expected_add_embed_dim != passed_add_embed_dim:
raise ValueError(
f"Model expects an added time embedding vector of length {expected_add_embed_dim}, but a vector of {passed_add_embed_dim} was created. The model has an incorrect config. Please check `unet.config.time_embedding_type` and `t... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
# Copied from diffusers.pipelines.stable_diffusion_xl.pipeline_stable_diffusion_xl.StableDiffusionXLPipeline.upcast_vae
def upcast_vae(self):
dtype = self.vae.dtype
self.vae.to(dtype=torch.float32)
use_torch_2_0_or_xformers = isinstance(
self.vae.decoder.mid_block.attentions[0].p... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
# Copied from diffusers.pipelines.latent_consistency_models.pipeline_latent_consistency_text2img.LatentConsistencyModelPipeline.get_guidance_scale_embedding
def get_guidance_scale_embedding(
self, w: torch.Tensor, embedding_dim: int = 512, dtype: torch.dtype = torch.float32
) -> torch.Tensor:
""... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
Returns:
`torch.Tensor`: Embedding vectors with shape `(len(w), embedding_dim)`.
"""
assert len(w.shape) == 1
w = w * 1000.0
half_dim = embedding_dim // 2
emb = torch.log(torch.tensor(10000.0)) / (half_dim - 1)
emb = torch.exp(torch.arange(half_dim, dtype=dty... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
# here `guidance_scale` is defined analog to the guidance weight `w` of equation (2)
# of the Imagen paper: https://arxiv.org/pdf/2205.11487.pdf . `guidance_scale = 1`
# corresponds to doing no classifier free guidance.
@property
def do_classifier_free_guidance(self):
return self._guidance_scale... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
@torch.no_grad()
@replace_example_docstring(EXAMPLE_DOC_STRING)
def __call__(
self,
prompt: Union[str, List[str]] = None,
height: Optional[int] = None,
width: Optional[int] = None,
num_inference_steps: int = 50,
timesteps: List[int] = None,
sigmas: List[fl... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
ip_adapter_image_embeds: Optional[List[torch.Tensor]] = None,
output_type: Optional[str] = "pil",
return_dict: bool = True,
cross_attention_kwargs: Optional[Dict[str, Any]] = None,
original_size: Optional[Tuple[int, int]] = None,
crops_coords_top_left: Tuple[int, int] = (0, 0),
... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
Args:
prompt (`str` or `List[str]`, *optional*):
The prompt or prompts to guide the image generation. If not defined, one has to pass `prompt_embeds`.
instead.
height (`int`, *optional*, defaults to self.unet.config.sample_size * self.vae_scale_factor):
... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
[Kwai-Kolors/Kolors-diffusers](https://huggingface.co/Kwai-Kolors/Kolors-diffusers) and checkpoints
that are not specifically fine-tuned on low resolutions.
num_inference_steps (`int`, *optional*, defaults to 50):
The number of denoising steps. More denoising steps usually le... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
their `set_timesteps` method. If not defined, the default behavior when `num_inference_steps` is passed
will be used.
denoising_end (`float`, *optional*):
When specified, determines the fraction (between 0.0 and 1.0) of the total denoising process to be
comple... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
Guidance scale as defined in [Classifier-Free Diffusion Guidance](https://arxiv.org/abs/2207.12598).
`guidance_scale` is defined as `w` of equation 2. of [Imagen
Paper](https://arxiv.org/pdf/2205.11487.pdf). Guidance scale is enabled by setting `guidance_scale >
1`. Highe... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
Corresponds to parameter eta (η) in the DDIM paper: https://arxiv.org/abs/2010.02502. Only applies to
[`schedulers.DDIMScheduler`], will be ignored for others.
generator (`torch.Generator` or `List[torch.Generator]`, *optional*):
One or a list of [torch generator(s)](https://... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
provided, text embeddings will be generated from `prompt` input argument.
pooled_prompt_embeds (`torch.Tensor`, *optional*):
Pre-generated pooled text embeddings. Can be used to easily tweak text inputs, *e.g.* prompt weighting.
If not provided, pooled text embeddings will be... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
input argument.
ip_adapter_image: (`PipelineImageInput`, *optional*): Optional image input to work with IP Adapters.
ip_adapter_image_embeds (`List[torch.Tensor]`, *optional*):
Pre-generated image embeddings for IP-Adapter. It should be a list of length same as number of
... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
Whether or not to return a [`~pipelines.kolors.KolorsPipelineOutput`] instead of a plain tuple.
cross_attention_kwargs (`dict`, *optional*):
A kwargs dictionary that if specified is passed along to the `AttentionProcessor` as defined under
`self.processor` in
... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
`crops_coords_top_left` can be used to generate an image that appears to be "cropped" from the position
`crops_coords_top_left` downwards. Favorable, well-centered images are usually achieved by setting
`crops_coords_top_left` to (0, 0). Part of SDXL's micro-conditioning as explained in ... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
To negatively condition the generation process based on a specific image resolution. Part of SDXL's
micro-conditioning as explained in section 2.2 of
[https://huggingface.co/papers/2307.01952](https://huggingface.co/papers/2307.01952). For more
information, refer to this ... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
To negatively condition the generation process based on a target image resolution. It should be as same
as the `target_size` for most cases. Part of SDXL's micro-conditioning as explained in section 2.2 of
[https://huggingface.co/papers/2307.01952](https://huggingface.co/papers/2307.0195... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
callback_on_step_end_tensor_inputs (`List`, *optional*):
The list of tensor inputs for the `callback_on_step_end` function. The tensors specified in the list
will be passed as `callback_kwargs` argument. You will only be able to include variables listed in the
`._callback... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
Examples:
Returns:
[`~pipelines.kolors.KolorsPipelineOutput`] or `tuple`: [`~pipelines.kolors.KolorsPipelineOutput`] if
`return_dict` is True, otherwise a `tuple`. When returning a tuple, the first element is a list with the
generated images.
"""
if isinstan... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
# 1. Check inputs. Raise error if not correct
self.check_inputs(
prompt,
num_inference_steps,
height,
width,
negative_prompt,
prompt_embeds,
pooled_prompt_embeds,
negative_prompt_embeds,
negative_pooled_p... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
device = self._execution_device
# 3. Encode input prompt
(
prompt_embeds,
negative_prompt_embeds,
pooled_prompt_embeds,
negative_pooled_prompt_embeds,
) = self.encode_prompt(
prompt=prompt,
device=device,
num_im... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
# 5. Prepare latent variables
num_channels_latents = self.unet.config.in_channels
latents = self.prepare_latents(
batch_size * num_images_per_prompt,
num_channels_latents,
height,
width,
prompt_embeds.dtype,
device,
gene... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
add_time_ids = self._get_add_time_ids(
original_size,
crops_coords_top_left,
target_size,
dtype=prompt_embeds.dtype,
text_encoder_projection_dim=text_encoder_projection_dim,
)
if negative_original_size is not None and negative_target_size is no... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
if self.do_classifier_free_guidance:
prompt_embeds = torch.cat([negative_prompt_embeds, prompt_embeds], dim=0)
add_text_embeds = torch.cat([negative_pooled_prompt_embeds, add_text_embeds], dim=0)
add_time_ids = torch.cat([negative_add_time_ids, add_time_ids], dim=0)
prompt_e... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
# 8.1 Apply denoising_end
if (
self.denoising_end is not None
and isinstance(self.denoising_end, float)
and self.denoising_end > 0
and self.denoising_end < 1
):
discrete_timestep_cutoff = int(
round(
self.sch... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
# 9. Optionally get Guidance Scale Embedding
timestep_cond = None
if self.unet.config.time_cond_proj_dim is not None:
guidance_scale_tensor = torch.tensor(self.guidance_scale - 1).repeat(batch_size * num_images_per_prompt)
timestep_cond = self.get_guidance_scale_embedding(
... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
# predict the noise residual
added_cond_kwargs = {"text_embeds": add_text_embeds, "time_ids": add_time_ids}
if ip_adapter_image is not None or ip_adapter_image_embeds is not None:
added_cond_kwargs["image_embeds"] = image_embeds
noise_pred = self.une... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
# compute the previous noisy sample x_t -> x_t-1
latents_dtype = latents.dtype
latents = self.scheduler.step(noise_pred, t, latents, **extra_step_kwargs, return_dict=False)[0]
if latents.dtype != latents_dtype:
if torch.backends.mps.is_available():
... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
latents = callback_outputs.pop("latents", latents)
prompt_embeds = callback_outputs.pop("prompt_embeds", prompt_embeds)
negative_prompt_embeds = callback_outputs.pop("negative_prompt_embeds", negative_prompt_embeds)
add_text_embeds = callback_outputs.pop("add_... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
if not output_type == "latent":
# make sure the VAE is in float32 mode, as it overflows in float16
needs_upcasting = self.vae.dtype == torch.float16 and self.vae.config.force_upcast
if needs_upcasting:
self.upcast_vae()
latents = latents.to(next(iter(... | 52 | /Users/nielsrogge/Documents/python_projecten/diffusers/src/diffusers/pipelines/kolors/pipeline_kolors.py |
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