mirror of
https://github.com/vladmandic/automatic
synced 2026-09-06 13:00:44 +02:00
Vladimir Mandic
51 lines
2.1 KiB
Python
51 lines
2.1 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_flux2_klein(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=Flux2Klein 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.flux2_klein import FLUX2_KLEIN_SPEC # Klein uses Flux2Transformer2DModel (same class as Flux2, different size)
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transformer = generic.load_transformer(repo_id, cls_name=diffusers.Flux2Transformer2DModel, load_config=diffusers_load_config, native_spec=FLUX2_KLEIN_SPEC)
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text_encoder = generic.load_text_encoder(repo_id, cls_name=transformers.Qwen3ForCausalLM, load_config=diffusers_load_config) # Klein uses Qwen3 (4B for Klein-4B, 8B for Klein-9B)
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if repo_id is None or repo_id.lower() == 'none':
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return None
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if '-kv' in repo_id.lower():
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cls = diffusers.Flux2KleinKVPipeline
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else:
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cls = diffusers.Flux2KleinPipeline
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pipe = cls.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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cache_dir=shared.opts.diffusers_dir,
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**load_args,
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)
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diffusers.pipelines.auto_pipeline.AUTO_TEXT2IMAGE_PIPELINES_MAPPING["flux2klein"] = cls
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diffusers.pipelines.auto_pipeline.AUTO_IMAGE2IMAGE_PIPELINES_MAPPING["flux2klein"] = cls
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diffusers.pipelines.auto_pipeline.AUTO_INPAINT_PIPELINES_MAPPING["flux2klein"] = cls
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generic.load_vae_override(pipe, diffusers_load_config)
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from pipelines.flux import flux2_lora
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flux2_lora.apply_patch()
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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(force=True, reason='load')
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return pipe
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