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56 lines
2.0 KiB
Python
56 lines
2.0 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 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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shared.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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safety_checker = Fake_safety_checker()
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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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class Fake_safety_checker:
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def __init__(self):
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from diffusers.utils import import_utils
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import_utils._cosmos_guardrail_available = True # pylint: disable=protected-access
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def __call__(self, *args, **kwargs): # pylint: disable=unused-argument
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return
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def to(self, _device):
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pass
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def check_text_safety(self, _prompt):
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return True
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def check_video_safety(self, vid):
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return vid
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