app.py

import gradio as gr

# Define the function to upload and save the file
def upload_and_save_file(input_file):
    # Save the uploaded file with a specific name
    file_path = "uploaded_file.txt"
    with open(file_path, "wb") as f:
        f.write(input_file.read())
    return "File uploaded successfully!"

# Define the function to download the file
def download_file():
    # Read the file and return it for download
    file_path = "uploaded_file.txt"
    with open(file_path, "rb") as f:
        file_contents = f.read()
    return file_contents

# Define the inputs and outputs for the Gradio interface
inputs = gr.File(label="Upload File")
output = gr.File(label="Download File")

# Create the Gradio interface
gr.Interface(
    fn=upload_and_save_file,
    inputs=inputs,
    outputs=None,
    title="File Uploader",
    description="Upload a file to download later",
    allow_flagging=False
).launch()

# Create the download page
download_interface = gr.Interface(
    fn=download_file,
    inputs=None,
    outputs=output,
    title="File Downloader",
    description="Download the previously uploaded file",
    allow_flagging=False
)

download_interface.launch()