handler.py

from PIL import Image
import base64
import io
import numpy as np

# Здесь предполагается, что у вас есть функция segment(image: PIL.Image) -> np.ndarray (маска)
from medsam2_model import MedSAM2

def image_to_base64(image: Image.Image) -> str:
    buffered = io.BytesIO()
    image.save(buffered, format="PNG")
    return "data:image/png;base64," + base64.b64encode(buffered.getvalue()).decode()

class EndpointHandler():
    def __init__(self, path=""):
        model = MedSAM2("MedSAM2_pretrain_10ep_b1_AMD-SD_sam2_hiera_t.pth")
    
   def __call__(self, data: Any) -> List[List[Dict[str, float]]]:
        if isinstance(data, dict) and "image" in data:
            image_data = data["image"]
            if image_data.startswith("data:image"):
                header, base64_data = image_data.split(",", 1)
                image = Image.open(io.BytesIO(base64.b64decode(base64_data)))
    
                # Получаем маску
                mask_array = model.predict(image_np, box)  # Предполагается бинарная маска (0 и 1)
                mask_pil = Image.fromarray((mask_array * 255).astype(np.uint8))
    
                return [{
                    "label": "mock-segmentation",
                    "mask": image_to_base64(mask_pil),
                    "score": 0.99
                }]
        return [{"label": "mock-segmentation", "mask": None, "score": 0.0}]