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# Copyright 2024 The HuggingFace Team. All rights reserved. | |
# | |
# Licensed under the Apache License, Version 2.0 (the "License"); | |
# you may not use this file except in compliance with the License. | |
# You may obtain a copy of the License at | |
# | |
# http://www.apache.org/licenses/LICENSE-2.0 | |
# | |
# Unless required by applicable law or agreed to in writing, software | |
# distributed under the License is distributed on an "AS IS" BASIS, | |
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
# See the License for the specific language governing permissions and | |
# limitations under the License. | |
from huggingface_hub.utils import validate_hf_hub_args | |
from .single_file_utils import ( | |
create_diffusers_controlnet_model_from_ldm, | |
fetch_ldm_config_and_checkpoint, | |
) | |
class FromOriginalControlNetMixin: | |
""" | |
Load pretrained ControlNet weights saved in the `.ckpt` or `.safetensors` format into a [`ControlNetModel`]. | |
""" | |
def from_single_file(cls, pretrained_model_link_or_path, **kwargs): | |
r""" | |
Instantiate a [`ControlNetModel`] from pretrained ControlNet weights saved in the original `.ckpt` or | |
`.safetensors` format. The pipeline is set in evaluation mode (`model.eval()`) by default. | |
Parameters: | |
pretrained_model_link_or_path (`str` or `os.PathLike`, *optional*): | |
Can be either: | |
- A link to the `.ckpt` file (for example | |
`"https://huggingface.co/<repo_id>/blob/main/<path_to_file>.ckpt"`) on the Hub. | |
- A path to a *file* containing all pipeline weights. | |
config_file (`str`, *optional*): | |
Filepath to the configuration YAML file associated with the model. If not provided it will default to: | |
https://raw.githubusercontent.com/lllyasviel/ControlNet/main/models/cldm_v15.yaml | |
torch_dtype (`str` or `torch.dtype`, *optional*): | |
Override the default `torch.dtype` and load the model with another dtype. If `"auto"` is passed, the | |
dtype is automatically derived from the model's weights. | |
force_download (`bool`, *optional*, defaults to `False`): | |
Whether or not to force the (re-)download of the model weights and configuration files, overriding the | |
cached versions if they exist. | |
cache_dir (`Union[str, os.PathLike]`, *optional*): | |
Path to a directory where a downloaded pretrained model configuration is cached if the standard cache | |
is not used. | |
resume_download (`bool`, *optional*, defaults to `False`): | |
Whether or not to resume downloading the model weights and configuration files. If set to `False`, any | |
incompletely downloaded files are deleted. | |
proxies (`Dict[str, str]`, *optional*): | |
A dictionary of proxy servers to use by protocol or endpoint, for example, `{'http': 'foo.bar:3128', | |
'http://hostname': 'foo.bar:4012'}`. The proxies are used on each request. | |
local_files_only (`bool`, *optional*, defaults to `False`): | |
Whether to only load local model weights and configuration files or not. If set to True, the model | |
won't be downloaded from the Hub. | |
token (`str` or *bool*, *optional*): | |
The token to use as HTTP bearer authorization for remote files. If `True`, the token generated from | |
`diffusers-cli login` (stored in `~/.huggingface`) is used. | |
revision (`str`, *optional*, defaults to `"main"`): | |
The specific model version to use. It can be a branch name, a tag name, a commit id, or any identifier | |
allowed by Git. | |
image_size (`int`, *optional*, defaults to 512): | |
The image size the model was trained on. Use 512 for all Stable Diffusion v1 models and the Stable | |
Diffusion v2 base model. Use 768 for Stable Diffusion v2. | |
upcast_attention (`bool`, *optional*, defaults to `None`): | |
Whether the attention computation should always be upcasted. | |
kwargs (remaining dictionary of keyword arguments, *optional*): | |
Can be used to overwrite load and saveable variables (for example the pipeline components of the | |
specific pipeline class). The overwritten components are directly passed to the pipelines `__init__` | |
method. See example below for more information. | |
Examples: | |
```py | |
from diffusers import StableDiffusionControlNetPipeline, ControlNetModel | |
url = "https://huggingface.co/lllyasviel/ControlNet-v1-1/blob/main/control_v11p_sd15_canny.pth" # can also be a local path | |
model = ControlNetModel.from_single_file(url) | |
url = "https://huggingface.co/runwayml/stable-diffusion-v1-5/blob/main/v1-5-pruned.safetensors" # can also be a local path | |
pipe = StableDiffusionControlNetPipeline.from_single_file(url, controlnet=controlnet) | |
``` | |
""" | |
original_config_file = kwargs.pop("original_config_file", None) | |
config_file = kwargs.pop("config_file", None) | |
resume_download = kwargs.pop("resume_download", False) | |
force_download = kwargs.pop("force_download", False) | |
proxies = kwargs.pop("proxies", None) | |
token = kwargs.pop("token", None) | |
cache_dir = kwargs.pop("cache_dir", None) | |
local_files_only = kwargs.pop("local_files_only", None) | |
revision = kwargs.pop("revision", None) | |
torch_dtype = kwargs.pop("torch_dtype", None) | |
class_name = cls.__name__ | |
if (config_file is not None) and (original_config_file is not None): | |
raise ValueError( | |
"You cannot pass both `config_file` and `original_config_file` to `from_single_file`. Please use only one of these arguments." | |
) | |
original_config_file = config_file or original_config_file | |
original_config, checkpoint = fetch_ldm_config_and_checkpoint( | |
pretrained_model_link_or_path=pretrained_model_link_or_path, | |
class_name=class_name, | |
original_config_file=original_config_file, | |
resume_download=resume_download, | |
force_download=force_download, | |
proxies=proxies, | |
token=token, | |
revision=revision, | |
local_files_only=local_files_only, | |
cache_dir=cache_dir, | |
) | |
upcast_attention = kwargs.pop("upcast_attention", False) | |
image_size = kwargs.pop("image_size", None) | |
component = create_diffusers_controlnet_model_from_ldm( | |
class_name, | |
original_config, | |
checkpoint, | |
upcast_attention=upcast_attention, | |
image_size=image_size, | |
torch_dtype=torch_dtype, | |
) | |
controlnet = component["controlnet"] | |
if torch_dtype is not None: | |
controlnet = controlnet.to(torch_dtype) | |
return controlnet | |