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from typing import Dict, List, Any
from diffusers import DiffusionPipeline, EulerAncestralDiscreteScheduler
import torch
import base64
from PIL import Image
import io
class EndpointHandler():
def __init__(self, path=""):
scheduler = EulerAncestralDiscreteScheduler.from_pretrained(path, subfolder="scheduler")
self.pipeline = DiffusionPipeline.from_pretrained(path, scheduler=scheduler, torch_dtype=torch.float32)
if torch.cuda.is_available():
self.pipeline.to("cuda")
def __call__(self, data: Dict[str, any]) -> List[Dict[str, Any]]:
mask_bytes = base64.b64decode(data["inputs"]["mask"])
mask = Image.open(io.BytesIO(mask_bytes)).convert('RGB')
image_bytes = base64.b64decode(data["inputs"]["image"])
image = Image.open(io.BytesIO(image_bytes)).convert('RGB')
prompt = "a picture of a person with a nice haircut"
new_image = self.pipeline(prompt=prompt, image=image, mask_image=mask, height=512, width=512, num_inference_steps=20).images[0]
return [{"image": new_image}]
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