app.py

import gradio as gr
import os
import tempfile
from gtts import gTTS

def clone_voice(text, audio):
    if not text:
        return 'Please enter text', None
    
    groq_key = os.getenv('GROQ_API_KEY')
    openai_key = os.getenv('OPENAI_API_KEY')
    
    if not groq_key and not openai_key:
        tts = gTTS(text)
        temp_file = tempfile.NamedTemporaryFile(suffix='.mp3', delete=False)
        tts.save(temp_file.name)
        return f'Demo TTS for: {text}', temp_file.name
    
    try:
        if groq_key:
            import groq
            client = groq.Groq(api_key=groq_key)
            if audio:
                with open(audio, 'rb') as f:
                    transcription = client.audio.transcriptions.create(
                        model='whisper-large-v3',
                        file=f
                    )
                return f'Transcribed: {transcription.text}', None
        
        tts = gTTS(text)
        temp_file = tempfile.NamedTemporaryFile(suffix='.mp3', delete=False)
        tts.save(temp_file.name)
        return f'Generated TTS for: {text}', temp_file.name
        
    except Exception as e:
        return f'Error: {str(e)}', None

with gr.Blocks(title='AI Voice Clone Demo') as demo:
    gr.Markdown('# 🎙️ AI Voice Clone Demo')
    gr.Markdown('Clone any voice with AI using advanced TTS models.')
    
    groq_key = os.getenv('GROQ_API_KEY')
    openai_key = os.getenv('OPENAI_API_KEY')
    
    if not groq_key and not openai_key:
        gr.Warning('⚠️ API keys not set. Using demo TTS mode.')
    else:
        gr.Markdown('✅ API key detected. Voice cloning ready!')
    
    with gr.Row():
        text = gr.Textbox(label='Text to speak')
        audio = gr.Audio(label='Voice sample (optional)', type='filepath')
    
    btn = gr.Button('Clone Voice')
    output_text = gr.Textbox(label='Result')
    output_audio = gr.Audio(label='Generated Voice')
    
    btn.click(clone_voice, [text, audio], [output_text, output_audio])
    
    gr.Markdown('## 📦 Install')
    gr.Markdown('```bash\npip install ai-voice-clone\n```')
    gr.Markdown('**GitHub:** https://github.com/my-ai-stack/ai-voice-clone')

demo.launch()