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from typing import Union
from fastapi import FastAPI
from fastapi.encoders import jsonable_encoder
from fastapi.websockets import WebSocket, WebSocketDisconnect, WebSocketState
from fastapi.responses import HTMLResponse, JSONResponse
from answerer import Answerer
from mapper import Mapper
mapper = Mapper(
repo="sentence-transformers",
model="multi-qa-distilbert-cos-v1",
)
answerer = Answerer(
model="RWKV-5-World-3B-v2-20231118-ctx16k.pth",
vocab="rwkv_vocab_v20230424",
strategy="cpu bf16",
ctx_limit=16*1024,
)
app = FastAPI()
HTML = """
<!DOCTYPE HTML>
<html>
<body>
<form action="" onsubmit="ask(event)">
<input id="prompt" type="text" autocomplete="off" />
<br>
<input type="submit" value="SEND" />
</form>
<p id="output"></p>
<script>
const prompt = document.getElementById("prompt");
const output = document.getElementById("output");
const ws = new WebSocket("wss://daniilalpha-answerer-api.hf.space/answer");
ws.onmessage = (e) => answer(e.data);
function ask(event) {
if(ws.readyState != 1) {
answer("websocket is not connected!");
return;
}
ws.send(prompt.value);
event.preventDefault();
}
function answer(value) {
output.innerHTML = value;
}
</script>
</body>
</html>
"""
@app.get("/")
def index():
return HTMLResponse(HTML)
@app.get("/map")
def map(query: Union[str, None], items: Union[list[str], None]):
scores = mapper(query, items)
return JSONResponse(jsonable_encoder(scores))
@app.websocket("/answer")
async def answer(ws: WebSocket):
await ws.accept()
try: input = await ws.receive_text()
except WebSocketDisconnect: return
output = answerer(input, 32)
async for el in output:
if(ws.client_state == WebSocketState.CONNECTED):
await ws.send_text(el)
elif(ws.client_state == WebSocketState.DISCONNECTED):
return
await ws.close() |