automatic/modules/model_lumina.py

52 lines
1.7 KiB
Python

import transformers
import diffusers
def load_lumina(_checkpoint_info, diffusers_load_config={}):
from modules import shared, devices, modelloader, model_quant
modelloader.hf_login()
load_config, _quant_config = model_quant.get_dit_args(diffusers_load_config, allow_quant=False)
pipe = diffusers.LuminaText2ImgPipeline.from_pretrained(
'Alpha-VLLM/Lumina-Next-SFT-diffusers',
cache_dir = shared.opts.diffusers_dir,
**load_config,
)
devices.torch_gc(force=True)
return pipe
def load_lumina2(checkpoint_info, diffusers_load_config={}):
from modules import shared, devices, sd_models, model_quant
repo_id = sd_models.path_to_repo(checkpoint_info.name)
load_config, quant_config = model_quant.get_dit_args(diffusers_load_config, module='Transformer')
transformer = diffusers.Lumina2Transformer2DModel.from_pretrained(
repo_id,
subfolder="transformer",
cache_dir=shared.opts.hfcache_dir,
**load_config,
**quant_config,
)
load_config, quant_config = model_quant.get_dit_args(diffusers_load_config, module='TE', device_map=True)
text_encoder = transformers.AutoModel.from_pretrained(
repo_id,
subfolder="text_encoder",
cache_dir=shared.opts.hfcache_dir,
torch_dtype=devices.dtype,
**load_config,
**quant_config,
)
load_config, quant_config = model_quant.get_dit_args(diffusers_load_config, allow_quant=False)
pipe = diffusers.Lumina2Text2ImgPipeline.from_pretrained(
repo_id,
cache_dir=shared.opts.diffusers_dir,
text_encoder=text_encoder,
transformer=transformer,
**load_config,
)
devices.torch_gc(force=True)
return pipe