opencompletion.com/app.py
Russell Ballestrini 180dec6318 Streaming results to frontend realtime, remove jquery.
modified:   app.py
	modified:   templates/chat.html
2023-10-22 12:28:08 -04:00

136 lines
3.6 KiB
Python

from flask import Flask, render_template, request
from flask_socketio import SocketIO, emit, join_room
import eventlet
import markdown
import openai
import os
import time
app = Flask(__name__)
app.config["SECRET_KEY"] = "your_secret_key"
socketio = SocketIO(app, async_mode="eventlet")
from flask_sqlalchemy import SQLAlchemy
app.config["SQLALCHEMY_DATABASE_URI"] = "sqlite:///chat.db"
app.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False
db = SQLAlchemy(app)
class Message(db.Model):
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(128), nullable=False)
content = db.Column(db.String(1024), nullable=False)
room = db.Column(db.String(128), nullable=False)
def __init__(self, username, content, room):
self.username = username
self.content = content
self.room = room
# Create the database and tables
with app.app_context():
db.create_all()
@app.route("/")
def index():
return render_template("index.html")
@app.route("/chat/<room>")
def chat(room):
return render_template("chat.html", room=room)
@socketio.on("join")
def on_join(data):
room = data["room"]
join_room(room)
# Fetch previous messages from the database
previous_messages = Message.query.filter_by(room=room).all()
for message in previous_messages:
emit(
"previous_messages",
{"username": message.username, "message": message.content},
room=request.sid,
)
emit("message", f"{data['username']} has joined the room.", room=room)
@socketio.on("message")
def handle_message(data):
# Save the message to the database
new_message = Message(
username=data["username"], content=data["message"], room=data["room"]
)
db.session.add(new_message)
db.session.commit()
emit("message", f"{data['username']}: {data['message']}", room=data["room"])
# Emit a temporary message indicating that GPT is processing
emit("message", f"<span id='processing'>Processing...</span>", room=data["room"])
# Call the chat_gpt function without blocking using eventlet.spawn
eventlet.spawn(chat_gpt, data["username"], data["room"], data["message"])
def chat_gpt(username, room, message):
with app.app_context():
last_messages = (
Message.query.filter_by(room=room)
.order_by(Message.id.desc())
.limit(10)
.all()
)
chat_history = [
{"role": "system" if msg.username == "GPT-3.5" else "user", "content": msg.content}
for msg in reversed(last_messages)
]
chat_history.append({"role": "user", "content": message})
buffer = "" # Content buffer for accumulating the chunks
first_chunk = True
for chunk in openai.ChatCompletion.create(
model="gpt-3.5-turbo",
messages=chat_history,
stream=True,
):
content = chunk["choices"][0].get("delta", {}).get("content")
if content:
buffer += content # Accumulate content
if first_chunk:
socketio.emit("message_chunk", f"{username} (GPT-3.5): {content}", room=room)
first_chunk = False
else:
socketio.emit("message_chunk", content, room=room)
socketio.sleep(0) # Force immediate handling
# Save the entire completion to the database
with app.app_context():
new_message = Message(username="GPT-3.5", content=buffer, room=room)
db.session.add(new_message)
db.session.commit()
socketio.emit("delete_processing_message", "", room=room)
if __name__ == "__main__":
socketio.run(app, host="0.0.0.0", port=5001)