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from fastapi import FastAPI, Request, UploadFile
from fastapi.responses import HTMLResponse, FileResponse
from fastapi.templating import Jinja2Templates
from pydantic import BaseModel
import subprocess
from pathlib import Path
from app.config import settings
app = FastAPI(
title=settings.PROJECT_NAME, openapi_url=f"{settings.API_V1_STR}/openapi.json"
)
app.mount("/static", FileResponse, name="static")
templates = Jinja2Templates(directory="templates")
class Item(BaseModel):
file: UploadFile
@app.get("/", response_class=HTMLResponse)
async def root(request: Request):
return templates.TemplateResponse("index.html", {"request": request})
@app.post("/detect", response_class=HTMLResponse)
async def detect_objects(request: Request, item: Item):
input_file = f"uploads/{item.file.filename}"
output_file = f"static/output/{item.file.filename}"
# Save the uploaded file
with open(input_file, "wb") as file:
file.write(item.file.file.read())
# Run YOLOv7 detection and save output
subprocess.run(["python", "detect.py", "--weights", "model/best.pt", "--img-size", "640", "--source", input_file, "--save-txt", "--save-conf", "--exist-ok", "--output", output_file])
# Render HTML using Jinja2Templates
return templates.TemplateResponse(
"result.html",
{"request": request, "original_image": f"/static/{item.file.filename}", "output_image": f"/static/output/{item.file.filename}"},
)
# Set all CORS enabled origins
if settings.BACKEND_CORS_ORIGINS:
app.add_middleware(
CORSMiddleware,
allow_origins=[str(origin) for origin in settings.BACKEND_CORS_ORIGINS],
allow_credentials=True,
allow_methods=["*"],
allow_headers=["*"],
)
# Start app
if __name__ == "__main__":
import uvicorn
uvicorn.run(app, host="0.0.0.0", port=8001)
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