import gradio as gr
from transformers import MarianMTModel, MarianTokenizer

# Load pre-trained MarianMT model and tokenizer for translation
model_name = "Helsinki-NLP/opus-mt-en-de"
model = MarianMTModel.from_pretrained(model_name)
tokenizer = MarianTokenizer.from_pretrained(model_name)

# Define the translation function
def translate_text(text):
    # Tokenize the input text
    inputs = tokenizer(text, return_tensors="pt")

    # Perform translation
    translation = model.generate(**inputs)

    # Decode the translated text
    translated_text = tokenizer.decode(translation[0], skip_special_tokens=True)

    return translated_text

# Create Gradio interface
iface = gr.Interface(
    fn=translate_text,
    inputs=gr.Textbox(),
    outputs=gr.Textbox(),
    live=True,
    title="Language Translation App",
    description="Translate text from English to German using MarianMT.",
)

# Launch the Gradio app
iface.launch()