mirror of
https://github.com/vladmandic/automatic
synced 2026-08-25 22:20:46 +02:00
Vladimir Mandic
44 lines
1.7 KiB
Python
44 lines
1.7 KiB
Python
import transformers
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import diffusers
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from modules import shared, devices, sd_models, model_quant, sd_hijack_te, sd_hijack_vae
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from modules.logger import log
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from pipelines import generic
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def load_cosmos_t2i(checkpoint_info, diffusers_load_config=None):
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if diffusers_load_config is None:
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diffusers_load_config = {}
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repo_id = sd_models.path_to_repo(checkpoint_info)
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sd_models.hf_auth_check(checkpoint_info)
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load_args, _quant_args = model_quant.get_dit_args(diffusers_load_config, allow_quant=False)
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log.debug(f'Load model: type=Cosmos repo="{repo_id}" config={diffusers_load_config} offload={shared.opts.diffusers_offload_mode} dtype={devices.dtype} args={load_args}')
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transformer = generic.load_transformer(repo_id, cls_name=diffusers.CosmosTransformer3DModel, load_config=diffusers_load_config, subfolder="transformer")
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repo_te = 'nvidia/Cosmos-Predict2-2B-Text2Image' if 'Cosmos-Predict2-14B-Text2Image' in repo_id else repo_id
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text_encoder = generic.load_text_encoder(repo_te, cls_name=transformers.T5EncoderModel, load_config=diffusers_load_config, subfolder="text_encoder", allow_shared=False) # cosmos does use standard t5
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from pipelines.cosmos.safety_checker import CosmosSafetyChecker
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safety_checker = CosmosSafetyChecker()
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if repo_id is None or repo_id.lower() == 'none':
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return None
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pipe = diffusers.Cosmos2TextToImagePipeline.from_pretrained(
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repo_id,
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transformer=transformer,
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text_encoder=text_encoder,
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safety_checker=safety_checker,
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cache_dir=shared.opts.diffusers_dir,
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**load_args,
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)
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del text_encoder
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del transformer
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sd_hijack_te.init_hijack(pipe)
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sd_hijack_vae.init_hijack(pipe)
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devices.torch_gc()
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return pipe
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