app.py

import gradio as gr
from deep_translator import GoogleTranslator

# 翻訳関数
def translate_text(text, target_language):
    try:
        translator = GoogleTranslator(source='auto', target=target_language)
        translated_text = translator.translate(text)
        return translated_text
    except Exception as e:
        return f"Error: {str(e)}"

# 使用可能な言語（deep_translatorでサポートされている言語コードの例）
LANGUAGES = {
    "English": "en",
    "Japanese": "ja",
    "Spanish": "es",
    "French": "fr",
    "German": "de",
    "Chinese (Simplified)": "zh-cn"
}

# Gradioインターフェース
with gr.Blocks() as demo:
    gr.Markdown("### Deep Translator with GoogleTranslator")
    
    with gr.Row():
        input_text = gr.Textbox(label="Input Text", placeholder="Enter text to translate...")
    
    with gr.Row():
        target_language = gr.Dropdown(choices=list(LANGUAGES.keys()), label="Select Target Language")
    
    with gr.Row():
        output_text = gr.Textbox(label="Translated Text", interactive=False)
    
    translate_button = gr.Button("Translate")
    
    # ボタンのアクションを定義
    translate_button.click(
        fn=lambda text, lang: translate_text(text, LANGUAGES[lang]),
        inputs=[input_text, target_language],
        outputs=[output_text]
    )

# アプリを実行
if __name__ == "__main__":
    demo.launch()