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from pydantic import BaseModel
from fastapi.middleware.cors import CORSMiddleware
from fastapi import FastAPI, HTTPException
from happytransformer import HappyTextToText, TTSettings
app = FastAPI()
# Enable CORS
app.add_middleware(
CORSMiddleware,
allow_origins=["*"],
allow_credentials=True,
allow_methods=["*"],
allow_headers=["*"],
)
class GenerateInput(BaseModel):
prompt: str
happy_tt = HappyTextToText("T5", "vennify/t5-base-grammar-correction")
args = TTSettings(num_beams=5, min_length=1, max_length=100000)
def generate_text(prompt: str):
if not prompt.strip():
raise HTTPException(status_code=400, detail="Please provide a non-empty prompt.")
result = happy_tt.generate_text(f"grammar: {prompt}", args=args)
return result.text
@app.get("/", tags=["Home"])
def api_home():
return {'detail': 'Welcome to FastAPI TextGen by Knowde!'}
@app.post("/api/generate", tags=["Generate"])
def inference(data: GenerateInput):
return generate_text(data.prompt)
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