matrix_chatgpt_bot/bot.py

114 lines
4.1 KiB
Python

import sys
import asyncio
import re
import os
from typing import Optional
from nio import AsyncClient, MatrixRoom, RoomMessageText, LoginResponse, AsyncClientConfig
from nio.store.database import SqliteStore
from ask_gpt import ask
from send_message import send_room_message
from v3 import Chatbot
"""
free api_endpoint from https://github.com/ayaka14732/ChatGPTAPIFree
"""
api_endpoint_list = {
"free": "https://chatgpt-api.shn.hk/v1/",
"paid": "https://api.openai.com/v1/chat/completions"
}
class Bot:
def __init__(
self,
homeserver: str,
user_id: str,
password: str,
device_id: str,
api_key: Optional[str] = "",
room_id: Optional[str] = '',
):
self.homeserver = homeserver
self.user_id = user_id
self.password = password
self.device_id = device_id
self.room_id = room_id
self.api_key = api_key
# initialize AsyncClient object
self.store_path = os.getcwd()
self.config = AsyncClientConfig(store=SqliteStore,
store_name="bot",
store_sync_tokens=True,
)
self.client = AsyncClient(self.homeserver, user=self.user_id, device_id=self.device_id,
config=self.config, store_path=self.store_path)
# regular expression to match keyword [!gpt {prompt}] [!chat {prompt}]
self.gpt_prog = re.compile(r"^\s*!gpt\s*(.+)$")
self.chat_prog = re.compile(r"^\s*!chat\s*(.+)$")
# initialize chatbot and api_endpoint
if self.api_key != '':
self.chatbot = Chatbot(api_key=self.api_key)
self.api_endpoint = api_endpoint_list['paid']
# request header for !gpt command
self.headers = {
"Content-Type": "application/json",
"Authorization": "Bearer " + self.api_key,
}
else:
self.headers = {
"Content-Type": "application/json",
}
# message_callback event
async def message_callback(self, room: MatrixRoom, event: RoomMessageText) -> None:
# remove newline character from event.body
event.body = re.sub("\r\n|\r|\n", " ", event.body)
if self.room_id == '':
room_id = room.room_id
else:
room_id = self.room_id
# chatgpt
m = self.gpt_prog.match(event.body)
if m:
# sending typing state
await self.client.room_typing(room_id)
prompt = m.group(1)
text = await ask(prompt, self.api_endpoint, self.headers)
text = text.strip()
await send_room_message(self.client, room_id, send_text=text)
n = self.chat_prog.match(event.body)
if n:
if self.api_key != '':
# sending typing state
await self.client.room_typing(room_id)
prompt = n.group(1)
try:
# run synchronous function in different thread
text = await asyncio.to_thread(self.chatbot.ask, prompt)
text = text.strip()
await send_room_message(self.client, room_id, send_text=text)
except Exception as e:
print(f"Error: {e}")
pass
else:
await send_room_message(self.client, room_id, send_text="API_KEY not provided")
# print info to console
# print(
# f"Message received in room {room.display_name}\n"
# f"{room.user_name(event.sender)} | {event.body}"
# )
# bot login
async def login(self) -> None:
resp = await self.client.login(password=self.password)
if not isinstance(resp, LoginResponse):
print(f"Login Failed: {resp}")
sys.exit(1)
# sync messages in the room
async def sync_forever(self, timeout=30000):
self.client.add_event_callback(self.message_callback, RoomMessageText)
await self.client.sync_forever(timeout=timeout, full_state=True)