from fastapi import FastAPI, File, Form, HTTPException, UploadFile from fastapi.responses import HTMLResponse, StreamingResponse from app.config import settings app = FastAPI(title="face-lock", version="0.2.0") @app.get("/health") def health(): return {"ok": True, "env": settings.env} @app.get("/", response_class=HTMLResponse) def index(): if settings.env != "dev": return HTMLResponse("

face-lock

Set ENV=dev for the UI.

") return HTMLResponse( """ face-lock

face-lock

Auto-detect the subject, square it up, and crop with buffer.


      

      

        
Result

        

          

            
Crop

            
          

          

            
Annotated source

            
          

        

      

    

  

  


        """
    )


@app.post("/api/focus")
async def focus(
    file: UploadFile = File(...),
    buffer_ratio: float = Form(0.15),
    detector: str = Form("auto"),
):
    from app.vision import process_image

    try:
        payload = await file.read()
        return process_image(payload, file.filename or "upload", buffer_ratio=buffer_ratio, detector=detector)
    except ValueError as exc:
        raise HTTPException(status_code=400, detail=str(exc)) from exc


@app.post("/api/focus/image")
async def focus_image(
    file: UploadFile = File(...),
    buffer_ratio: float = Form(0.15),
    detector: str = Form("auto"),
):
    from app.vision import process_image

    try:
        payload = await file.read()
        result = process_image(payload, file.filename or "upload", buffer_ratio=buffer_ratio, detector=detector)
        return StreamingResponse(result["crop_bytes_io"], media_type=result["mime_type"])
    except ValueError as exc:
        raise HTTPException(status_code=400, detail=str(exc)) from exc