Files
aszc-dev-ComfyUI-CoreMLSuite/loaders.py
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104 lines
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Python

from coremltools import ComputeUnit
from python_coreml_stable_diffusion.coreml_model import CoreMLModel
import folder_paths
from comfy import supported_models_base, model_management
from comfy.latent_formats import SD15
from comfy.model_patcher import ModelPatcher
from .logger import logger
from .model import CoreMLModelWrapper
class CoreMLLoader:
PACKAGE_DIRNAME = ""
@classmethod
def INPUT_TYPES(s):
return {
"required": {
"coreml_name": (list(s.coreml_filenames().keys()),),
"compute_unit": ([
ComputeUnit.CPU_AND_NE.name,
ComputeUnit.CPU_AND_GPU.name,
ComputeUnit.ALL.name,
ComputeUnit.CPU_ONLY.name,
],)
}
}
RETURN_TYPES = ("COREML_MODEL",)
FUNCTION = "load"
CATEGORY = "CoreML Suite"
@classmethod
def coreml_filenames(cls):
return {
p.split('/')[-1]:
p for p in
folder_paths.get_filename_list_(cls.PACKAGE_DIRNAME)[1]
if p.endswith((".mlpackage", ".mlmodelc"))
}
def load(self, coreml_name, compute_unit):
logger.info(f"Loading {coreml_name}")
coreml_path = self.coreml_filenames()[coreml_name]
sources = "compiled" if coreml_name.endswith(
".mlmodelc") else "packages"
return self._load(coreml_path, compute_unit, sources)
def _load(self, coreml_path, compute_unit, sources):
return (CoreMLModel(coreml_path, compute_unit, sources),)
class CoreMLLoaderCkpt(CoreMLLoader):
PACKAGE_DIRNAME = "checkpoints"
RETURN_TYPES = ("MODEL", "CLIP", "VAE")
def load(self, coreml_name, compute_unit):
# TODO: Implement this
pass
class CoreMLLoaderTextEncoder(CoreMLLoader):
PACKAGE_DIRNAME = "clip"
RETURN_TYPES = ("CLIP",)
def load(self, coreml_name, compute_unit):
# TODO: Implement this
pass
class CoreMLLoaderUNet(CoreMLLoader):
PACKAGE_DIRNAME = "unet"
RETURN_TYPES = ("MODEL",)
def _load(self, coreml_path, compute_unit, sources):
# TODO: This is a dummy model config, but it should be enough to
# get the model to load - implement a proper model config
model_config = supported_models_base.BASE({})
model_config.latent_format = SD15()
model_config.unet_config = {
"disable_unet_model_creation": True,
"num_res_blocks": 2,
"attention_resolutions": [1, 2, 4],
"channel_mult": [1, 2, 4, 4],
"transformer_depth": [1, 1, 1, 0],
}
coreml_model = CoreMLModelWrapper(model_config, coreml_path,
compute_unit, sources)
return (ModelPatcher(coreml_model, model_management.get_torch_device(),
None),)
class CoreMLLoaderVAE(CoreMLLoader):
PACKAGE_DIRNAME = "vae"
RETURN_TYPES = ("VAE",)
def load(self, coreml_name, compute_unit):
# TODO: Implement this
pass