app.py

import gradio as gr
import os, shutil

UPLOAD_DIR = "uploads"              # permanent storage
os.makedirs(UPLOAD_DIR, exist_ok=True)

def save_file(temp_path: str):      # temp_path is *already* a str
    if not temp_path:
        return "❌ No file received."

    filename   = os.path.basename(temp_path)
    dest_path  = os.path.join(UPLOAD_DIR, filename)
    shutil.copy(temp_path, dest_path)      # copy from tmp → uploads/
    return f"✅ `{filename}` saved!"

with gr.Blocks() as demo:
    gr.Markdown("## 🖼️ Anonymous image upload (no login required)")
    uploader = gr.File(
        label="Upload image",
        file_types=["image"],        # or [".png", ".jpg", ".jpeg"]
        type="filepath"              # <‑‑ CRUCIAL
    )
    status = gr.Textbox(label="Status")
    uploader.upload(save_file, uploader, status)   # use .upload for clarity

demo.queue().launch()