from fastapi import FastAPI, HTTPException
from transformers import pipeline
app=FastAPI()
pipe = pipeline("text2text-generation", model="google/flan-t5-small")
@app.get("/")
def welcome():
    """
    Welcoming page.
    """
    return {"message": "Welcome to the Text-to-Text Generation API! Use the /generate endpoint to transform text."}

@app.post("/generate")
def generate_text(data: str):
    """
    Generate text from the input text using the text-to-text generation model.
    """
    try:
        # Perform text-to-text generation
        generated = generate_text(data.str, max_length=50, num_return_sequences=1)
        return {"input": data.str, "generated_text": generated[0]["generated_text"]}
    except Exception as e:
        raise HTTPException(status_code=500, detail=str(e))