app.py

import streamlit as st
import openai
import os

# Fetch the API key from an environment variable
openai_api_key = os.getenv("OPENAI_API_KEY")
openai.api_key = openai_api_key

st.title("PromptingAI.io Image Generator")

# User inputs a text description for the image
prompt = st.text_input("Enter a description for the image you want to generate:")

if prompt and st.button('Generate Image'):
    if not openai_api_key:
        st.error("No OpenAI API key found. Please set the OPENAI_API_KEY environment variable.")
        st.stop()

    # Use a spinner to indicate that the image is being generated
    with st.spinner('Generating image...'):
        # Ensure you use the correct function based on your API documentation. Below is for demonstration.
        try:
            response = openai.Image.create(
                model="dall-e-3", # Use the correct model identifier
                prompt=prompt,
                n=1,
                size="1024x1024"
            )
            image_url = response['data'][0]['url']  # Make sure response structure is correct
            st.image(image_url, caption="Generated Image")
        except Exception as e:
            st.error(f"Failed to generate an image: {e}")