worlabel/ai/app/api/yolo/model.py

85 lines
3.7 KiB
Python

from fastapi import APIRouter, HTTPException, File, UploadFile
from schemas.model_create_request import ModelCreateRequest
from services.create_model import create_new_model, save_model
from services.load_model import load_model
from utils.file_utils import get_model_keys, delete_file, join_path, save_file, get_file_name
import re
from fastapi.responses import FileResponse
router = APIRouter()
@router.get("/info/projects/{project_id}/models/{model_key}", summary= "모델 관련 정보 반환")
def get_model_info(project_id:int, model_key:str):
model_path = join_path("resources","projects",project_id, "models", model_key)
try:
model = load_model(model_path=model_path)
except FileNotFoundError:
raise HTTPException(status_code=404,
detail= "모델을 찾을 수 없습니다.")
except Exception as e:
raise HTTPException(status_code=500, detail="model load exception: " + str(e))
# TODO: 학습치 등등 추가 예정
return {"type": model.task, "labelCategories":model.names}
# project_id => model path 리스트 를 가져오는 함수
@router.get("/projects/{project_id}", summary="project id 에 해당하는 모델 id 리스트")
def get_model_list(project_id:int):
try:
return get_model_keys(project_id)
except FileNotFoundError:
raise HTTPException(status_code=404,
detail= "프로젝트가 찾을 수 없거나 생성된 모델이 없습니다.")
@router.post("/projects/{project_id}", status_code=201)
def create_model(project_id: int, request: ModelCreateRequest):
if request.project_type not in ["segmentation", "detection", "classfication"]:
raise HTTPException(status_code=400,
detail= f"Invalid type '{request.type}'. Must be one of \"segmentation\", \"detection\", \"classfication\".")
model_key = create_new_model(project_id, request.project_type, request.pretrained)
return {"model_key": model_key}
@router.delete("/projects/{project_id}/models/{model_key}", status_code=204)
def delete_model(project_id:int, model_key:str):
model_path = join_path("resources", "projects", project_id, "models", model_key)
try:
delete_file(model_path)
except FileNotFoundError:
raise HTTPException(status_code=404,
detail= "모델을 찾을 수 없습니다.")
@router.post("/upload/projects/{project_id}")
def upload_model(project_id:int, file: UploadFile = File(...)):
# 확장자 확인 확장자 새로 추가한다면 여기에 추가
if not file.filename.endswith(".pt"):
raise HTTPException(status_code=400, detail="Only .pt files are allowed.")
tmp_path = join_path("resources", "models", "tmp-"+file.filename)
# 임시로 파일 저장
try:
save_file(tmp_path, file)
except Exception as e:
raise HTTPException(status_code=500, detail="file save exception: "+str(e))
# YOLO 모델 변환 및 저장
try:
model_path = save_model(project_id, tmp_path)
return {"model_path": model_path}
except Exception as e:
raise HTTPException(status_code=500, detail="file save exception: "+str(e))
finally:
# 임시파일 삭제
delete_file(tmp_path)
@router.get("/download/projects/{project_id}/models/{model_key}")
def download_model(project_id:int, model_key:str):
model_path = join_path("resources", "projects", project_id, "models", model_key)
try:
filename = get_file_name(model_path)
# 파일 응답 반환
return FileResponse(model_path, media_type='application/octet-stream', filename=filename)
except FileNotFoundError:
raise HTTPException(status_code=404,
detail= "모델을 찾을 수 없습니다.")