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refine code

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Artiprocher
2025-07-29 18:47:16 +08:00
parent 7df48fc2b5
commit 9c51623fc2
14 changed files with 124 additions and 18 deletions
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32
examples/flux/model_inference_low_vram/Nexus-Gen-Generation.py Normal file
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import importlib
import torch
from diffsynth.pipelines.flux_image_new import FluxImagePipeline, ModelConfig
from modelscope import snapshot_download
if importlib.util.find_spec("transformers") is None:
raise ImportError("You are using Nexus-GenV2. It depends on transformers, which is not installed. Please install it with `pip install transformers==4.49.0`.")
else:
import transformers
assert transformers.__version__ == "4.49.0", "Nexus-GenV2 requires transformers==4.49.0, please install it with `pip install transformers==4.49.0`."
snapshot_download("DiffSynth-Studio/Nexus-GenV2", local_dir="models/DiffSynth-Studio/Nexus-GenV2")
pipe = FluxImagePipeline.from_pretrained(
torch_dtype=torch.bfloat16,
device="cuda",
model_configs=[
ModelConfig(model_id="DiffSynth-Studio/Nexus-GenV2", origin_file_pattern="model*.safetensors"),
ModelConfig(model_id="DiffSynth-Studio/Nexus-GenV2", origin_file_pattern="generation_decoder.bin"),
ModelConfig(model_id="black-forest-labs/FLUX.1-dev", origin_file_pattern="text_encoder/model.safetensors"),
ModelConfig(model_id="black-forest-labs/FLUX.1-dev", origin_file_pattern="text_encoder_2/"),
ModelConfig(model_id="black-forest-labs/FLUX.1-dev", origin_file_pattern="ae.safetensors"),
],
)
pipe.enable_vram_management()
prompt = "一只可爱的猫咪"
image = pipe(
prompt=prompt, negative_prompt="",
seed=0, cfg_scale=3, num_inference_steps=50,
height=1024, width=1024,
)
image.save("cat.jpg")