mirror of
https://github.com/vladmandic/automatic
synced 2026-09-09 14:28:43 +02:00
Vladimir Mandic
60 lines
2.4 KiB
Python
60 lines
2.4 KiB
Python
import diffusers
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import transformers
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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_ultraflux(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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load_args.pop('cache_dir', None)
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log.debug(f'Load model: type=UltraFlux repo="{repo_id}" config={diffusers_load_config} offload={shared.opts.diffusers_offload_mode} dtype={devices.dtype} args={load_args}')
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from pipelines.ultraflux.pipeline_flux import UltraFluxPipeline
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from pipelines.ultraflux.transformer_flux import FluxTransformer2DModel
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from pipelines.ultraflux.autoencoder_kl import AutoencoderUltraFluxKL
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diffusers.pipelines.auto_pipeline.AUTO_TEXT2IMAGE_PIPELINES_MAPPING['ultraflux'] = UltraFluxPipeline
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generic.set_pipeline('UltraFlux', UltraFluxPipeline)
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transformer = generic.load_transformer(repo_id, cls_name=FluxTransformer2DModel, load_config=diffusers_load_config)
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text_encoder_2 = generic.load_text_encoder(repo_id, cls_name=transformers.T5EncoderModel, load_config=diffusers_load_config, subfolder='text_encoder_2')
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if repo_id is None or repo_id.lower() == 'none':
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return None
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vae = AutoencoderUltraFluxKL.from_pretrained(
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repo_id,
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subfolder='vae',
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cache_dir=shared.opts.hfcache_dir,
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torch_dtype=devices.dtype,
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)
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pipe = UltraFluxPipeline.from_pretrained(
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repo_id,
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transformer=transformer,
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text_encoder_2=text_encoder_2,
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vae=vae,
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cache_dir=shared.opts.diffusers_dir,
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**load_args,
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)
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pipe.task_args = {
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'output_type': 'np',
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}
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if hasattr(pipe, 'scheduler') and hasattr(pipe.scheduler, 'config'):
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if hasattr(pipe.scheduler.config, 'use_dynamic_shifting'):
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pipe.scheduler.config.use_dynamic_shifting = False
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if hasattr(pipe.scheduler.config, 'time_shift'):
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pipe.scheduler.config.time_shift = 4
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del text_encoder_2
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del transformer
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del vae
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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(force=True, reason='load')
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return pipe
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