app.py

# text generation

from fastapi import FastAPI
from transformers import pipeline

# create a fastapi instances

app = FastAPI()

# initialize the text generation pipeline
pipe = pipeline("text2text-generation", model="google/flan-t5-small")

@app.get("/")
def home():
    return {"message":"Hello World!"}


# get request '/generate'

@app.get("/generate")
def generate(text:str):
    # use the pipeline to generate text from given input text

    output = pipe(text)

    # return the generate text in json response

    return {"output":output[0]['generated_text']}