cvat/serverless/pytorch/foolwood/siammask/nuclio/main.py

36 lines
1.0 KiB
Python

import json
import base64
from PIL import Image
import io
from model_handler import ModelHandler
def init_context(context):
context.logger.info("Init context... 0%")
# Read the DL model
model = ModelHandler()
context.user_data.model = model
context.logger.info("Init context...100%")
def handler(context, event):
context.logger.info("Run SiamMask model")
data = event.body
buf = io.BytesIO(base64.b64decode(data["image"]))
shapes = data.get("shapes")
states = data.get("states")
image = Image.open(buf)
image = image.convert("RGB") # to make sure image comes in RGB
results = {
'shapes': [],
'states': []
}
for i, shape in enumerate(shapes):
shape, state = context.user_data.model.infer(image, shape, states[i] if i < len(states) else None)
results['shapes'].append(shape)
results['states'].append(state)
return context.Response(body=json.dumps(results), headers={},
content_type='application/json', status_code=200)