app.py

import gradio as gr
import requests
import json
import os

# Retrieve the Open Router API Key from the Space secrets
API_KEY = os.getenv("OpenRounter_API_KEY")

def generate_text(input_text):
    response = requests.post(
    url="https://openrouter.ai/api/v1/chat/completions",
    headers={
        "Authorization": f"Bearer {API_KEY}"
    },
    data=json.dumps({
        "model": "openai/gpt-4o-mini-2024-07-18", # Optional
        "messages": [{"role": "user", "content": input_text}],
        "top_p": 1,
        "temperature": 1,
        "frequency_penalty": 0,
        "presence_penalty": 0,
        "repetition_penalty": 1,
        "top_k": 0,
        })
    )
    
    # Handle errors
    if response.status_code != 200:
        return f"Error: {response.status_code}, {response.text}"
    
    # Parse and return the content of the response
    try:
        response_json = response.json()
        return response_json.get("choices", [{}])[0].get("message", {}).get("content", "No content returned.")
    except json.JSONDecodeError:
        return "Error: Unable to parse response."

# Create Gradio interface
iface = gr.Interface(fn=generate_text, inputs="text", outputs="text")

iface.launch()