Add project files

2025-12-09 00:02:37 -05:00
parent 33e4f184e3
commit f18ae1e1c6
44 changed files with 5549 additions and 0 deletions
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+import torch
+from PIL import Image
+from transformers import AutoProcessor
+from longcat_image.models import LongCatImageTransformer2DModel
+from longcat_image.pipelines import LongCatImageEditPipeline
+
+if __name__ == '__main__':
+
+    device = torch.device('cuda')
+    checkpoint_dir = './weights/LongCat-Image-Edit'
+    text_processor = AutoProcessor.from_pretrained( checkpoint_dir, subfolder = 'tokenizer'  )
+    transformer = LongCatImageTransformer2DModel.from_pretrained( checkpoint_dir , subfolder = 'transformer', 
+        torch_dtype=torch.bfloat16, use_safetensors=True).to(device)
+
+    pipe = LongCatImageEditPipeline.from_pretrained(
+        checkpoint_dir,
+        transformer=transformer,
+        text_processor=text_processor,
+        torch_dtype=torch.bfloat16,
+    )
+    # pipe.to(device, torch.bfloat16)  # Uncomment for high VRAM devices (Faster inference)
+    pipe.enable_model_cpu_offload()  # Offload to CPU to save VRAM (Required ~19 GB); slower but prevents OOM
+
+    generator = torch.Generator("cpu").manual_seed(43)
+    img = Image.open('assets/test.png').convert('RGB')
+    prompt = '将猫变成狗'
+    image = pipe(
+        img,
+        prompt,
+        negative_prompt='',
+        guidance_scale=4.5,
+        num_inference_steps=50,
+        num_images_per_prompt=1,
+        generator=generator
+    ).images[0]
+
+    image.save('./edit_example.png')