Merge branch 'ai/develop' of https://lab.ssafy.com/s11-s-project/S11P21S002 into ai/feat/52-ai-model-create
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김진현
commit
a5ab6c716b
@ -1,3 +1,5 @@
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import json
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from fastapi import APIRouter, HTTPException
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from schemas.predict_request import PredictRequest
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from schemas.train_request import TrainRequest
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@ -6,81 +8,141 @@ from app.services.load_model import load_detection_model
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from utils.dataset_utils import split_data
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from utils.file_utils import get_dataset_root_path, process_directories, process_image_and_label, join_path
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from typing import List
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from fastapi.responses import FileResponse
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from utils.websocket_utils import WebSocketClient
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import asyncio
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router = APIRouter()
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@router.post("/detection", response_model=List[PredictResponse])
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def predict(request: PredictRequest):
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async def predict(request: PredictRequest):
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version = "0.1.0"
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print("여기")
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# Spring 서버의 WebSocket URL
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# TODO: 배포 시 변경
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spring_server_ws_url = f"ws://localhost:8080/ws"
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print("여기")
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# WebSocketClient 인스턴스 생성
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ws_client = WebSocketClient(spring_server_ws_url)
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# 모델 로드
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try:
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model = load_detection_model()
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except Exception as e:
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raise HTTPException(status_code=500, detail="load model exception: "+str(e))
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await ws_client.connect()
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# 추론
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results = []
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try:
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for image in request.image_list:
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# URL에서 이미지를 메모리로 로드 TODO: 추후 메모리에 할지 어떻게 해야할지 or 병렬 처리 고민
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# response = requests.get(image.image_url)
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# 모델 로드
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try:
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model = load_detection_model()
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except Exception as e:
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raise HTTPException(status_code=500, detail="load model exception: " + str(e))
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# 이미지 데이터를 메모리로 로드
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# img = Image.open(io.BytesIO(response.content))
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# 추론
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results = []
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total_images = len(request.image_list)
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for idx, image in enumerate(request.image_list):
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try:
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# URL에서 이미지를 메모리로 로드 TODO: 추후 메모리에 할지 어떻게 해야할지 or 병렬 처리 고민
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predict_results = model.predict(
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source=image.image_url,
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iou=request.iou_threshold,
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conf=request.conf_threshold,
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classes=request.classes
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)
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results.append(predict_results[0])
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predict_results = model.predict(
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source=image.image_url,
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iou=request.iou_threshold,
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conf=request.conf_threshold,
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classes=request.classes
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)
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# 예측 결과 처리
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result = predict_results[0]
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label_data = LabelData(
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version=version,
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task_type="det",
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shapes=[
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{
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"label": summary['name'],
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"color": "#ff0000",
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"points": [
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[summary['box']['x1'], summary['box']['y1']],
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[summary['box']['x2'], summary['box']['y2']]
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],
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"group_id": summary['class'],
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"shape_type": "rectangle",
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"flags": {}
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}
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for summary in result.summary()
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],
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split="none",
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imageHeight=result.orig_img.shape[0],
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imageWidth=result.orig_img.shape[1],
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imageDepth=result.orig_img.shape[2]
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)
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# 메모리에서 이미지 객체 해제
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# img.close()
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# del img
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except Exception as e:
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raise HTTPException(status_code=500, detail="model predict exception: "+str(e))
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response_item = PredictResponse(
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image_id=image.image_id,
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image_url=image.image_url,
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data=label_data
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)
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# 추론 결과 -> 레이블 객체 파싱
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response = []
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try:
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for (image, result) in zip(request.image_list, results):
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label_data:LabelData = {
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"version": version,
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"task_type": "det",
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"shapes": [
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{
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"label": summary['name'],
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"color": "#ff0000",
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"points": [
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[summary['box']['x1'], summary['box']['y1']],
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[summary['box']['x2'], summary['box']['y2']]
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],
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"group_id": summary['class'],
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"shape_type": "rectangle",
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"flags": {}
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}
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for summary in result.summary()
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],
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"split": "none",
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"imageHeight": result.orig_img.shape[0],
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"imageWidth": result.orig_img.shape[1],
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"imageDepth": result.orig_img.shape[2]
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}
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response.append({
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"image_id":image.image_id,
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"image_url":image.image_url,
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"data":label_data
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# 진행률 계산
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progress = (idx + 1) / total_images * 100
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# 웹소켓으로 예측 결과와 진행률 전송
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message = {
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"project_id": request.project_id,
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"progress": progress,
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"result": response_item.dict()
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}
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await ws_client.send_message("/app/ai/predict/progress", json.dumps(message))
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except Exception as e:
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raise HTTPException(status_code=500, detail="model predict exception: " + str(e))
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# 추론 결과 -> 레이블 객체 파싱
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response = []
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try:
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for (image, result) in zip(request.image_list, results):
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label_data: LabelData = {
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"version": version,
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"task_type": "det",
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"shapes": [
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{
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"label": summary['name'],
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"color": "#ff0000",
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"points": [
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[summary['box']['x1'], summary['box']['y1']],
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[summary['box']['x2'], summary['box']['y2']]
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],
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"group_id": summary['class'],
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"shape_type": "rectangle",
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"flags": {}
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}
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for summary in result.summary()
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],
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"split": "none",
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"imageHeight": result.orig_img.shape[0],
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"imageWidth": result.orig_img.shape[1],
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"imageDepth": result.orig_img.shape[2]
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}
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response.append({
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"image_id": image.image_id,
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"image_url": image.image_url,
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"data": label_data
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})
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except Exception as e:
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raise HTTPException(status_code=500, detail="label parsing exception: " + str(e))
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return response
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except Exception as e:
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raise HTTPException(status_code=500, detail="label parsing exception: "+str(e))
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return response
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print(f"Prediction process failed: {str(e)}")
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raise HTTPException(status_code=500, detail="Prediction process failed")
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finally:
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if ws_client.is_connected():
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await ws_client.close()
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@router.post("/detection/train")
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def train(request: TrainRequest):
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async def train(request: TrainRequest):
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# 데이터셋 루트 경로 얻기
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dataset_root_path = get_dataset_root_path(request.project_id)
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@ -90,21 +152,59 @@ def train(request: TrainRequest):
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# 학습 데이터 분류
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train_data, val_data = split_data(request.data, request.ratio, request.seed)
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# 학습 데이터 처리
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for data in train_data:
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process_image_and_label(data, dataset_root_path, "train")
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# Spring 서버의 WebSocket URL
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# TODO: 배포시에 변경
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spring_server_ws_url = f"ws://localhost:8080/ws"
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# 검증 데이터 처리
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for data in val_data:
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process_image_and_label(data, dataset_root_path, "val")
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# WebSocketClient 인스턴스 생성
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ws_client = WebSocketClient(spring_server_ws_url)
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model = load_detection_model("test-data/model/best.pt")
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model.train(
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data=join_path(dataset_root_path,"dataset.yaml"),
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name=join_path(dataset_root_path,"result"),
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epochs= request.epochs,
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batch=request.batch,
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try:
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await ws_client.connect()
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# 학습 데이터 처리
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total_data = len(train_data)
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for idx, data in enumerate(train_data):
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# TODO: 비동기면 await 연결
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# process_image_and_label(data, dataset_root_path, "train")
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# 진행률 계산
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progress = (idx + 1) / total_data * 100
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await ws_client.send_message("/app/ai/train/progress", f"학습 데이터 처리 중 {request.project_id}: {progress:.2f}% 완료")
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# 검증 데이터 처리
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total_val_data = len(val_data)
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for idx, data in enumerate(val_data):
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# TODO: 비동기면 await 연결
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# process_image_and_label(data, dataset_root_path, "val")
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# 진행률 계산
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progress = (idx + 1) / total_val_data * 100
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# 웹소켓으로 메시지 전송 (필요할 경우 추가)
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await ws_client.send_message("/app/ai/val/progress", f"검증 데이터 처리 중 {request.project_id}: {progress:.2f}% 완료")
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model = load_detection_model("test-data/model/best.pt")
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model.train(
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data=join_path(dataset_root_path, "dataset.yaml"),
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name=join_path(dataset_root_path, "result"),
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epochs=request.epochs,
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batch=request.batch,
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)
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return FileResponse(path=join_path(dataset_root_path, "result", "weights", "best.pt"), filename="best.pt", media_type="application/octet-stream")
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# return FileResponse(path=join_path(dataset_root_path, "result", "weights", "best.pt"), filename="best.pt", media_type="application/octet-stream")
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return {"status": "Training completed successfully"}
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except Exception as e:
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print(f"Training process failed: {str(e)}")
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raise HTTPException(status_code=500, detail="Training process failed")
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finally:
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if ws_client.is_connected():
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await ws_client.close()
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@ -6,7 +6,7 @@ from ultralytics.nn.tasks import DetectionModel, SegmentationModel
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import os
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import torch
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def load_detection_model(model_path: str = os.path.join("test-data","model","initial.pt"), device:str ="auto"):
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def load_detection_model(model_path: str = os.path.join("test-data","model","yolov8n.pt"), device:str ="auto"):
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"""
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지정된 경로에서 YOLO 모델을 로드합니다.
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36
ai/app/utils/websocket_utils.py
Normal file
36
ai/app/utils/websocket_utils.py
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import websockets
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class WebSocketClient:
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def __init__(self, url: str):
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self.url = url
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self.websocket = None
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async def connect(self):
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try:
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self.websocket = await websockets.connect(self.url)
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print(f"Connected to WebSocket at {self.url}")
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except Exception as e:
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print(f"Failed to connect to WebSocket: {str(e)}")
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async def send_message(self, destination: str, message: str):
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try:
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if self.websocket is not None:
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# STOMP 형식의 메시지를 전송
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await self.websocket.send(f"SEND\ndestination:{destination}\n\n{message}\u0000")
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print(f"Sent message to {destination}: {message}")
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else:
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print("WebSocket is not connected. Unable to send message.")
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except Exception as e:
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print(f"Failed to send message: {str(e)}")
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return
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async def close(self):
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try:
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if self.websocket is not None:
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await self.websocket.close()
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print("WebSocket connection closed.")
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except Exception as e:
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print(f"Failed to close WebSocket connection: {str(e)}")
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def is_connected(self):
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return self.websocket is not None and self.websocket.open
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@ -17,3 +17,4 @@ dependencies:
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- boto3
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- python-dotenv
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- locust
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- websockets
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