discollama/discollama.py

181 lines
5.3 KiB
Python

import io
import os
import json
import asyncio
import argparse
from datetime import datetime, timedelta
import ollama
import discord
import redis
from logging import getLogger
# piggy back on the logger discord.py set up
logging = getLogger('discord.discollama')
class Response:
def __init__(self, message):
self.message = message
self.channel = message.channel
self.r = None
self.sb = io.StringIO()
async def write(self, s, end=''):
if self.sb.seek(0, io.SEEK_END) + len(s) + len(end) > 2000:
self.r = None
self.sb.seek(0, io.SEEK_SET)
self.sb.truncate()
self.sb.write(s)
if self.r:
await self.r.edit(content=self.sb.getvalue() + end)
return
if self.channel.type == discord.ChannelType.text:
self.channel = await self.channel.create_thread(name='Discollama Says', message=self.message, auto_archive_duration=60)
self.r = await self.channel.send(self.sb.getvalue())
class Discollama:
def __init__(self, ollama, discord, redis):
self.ollama = ollama
self.discord = discord
self.redis = redis
# register event handlers
self.discord.event(self.on_ready)
self.discord.event(self.on_message)
async def on_ready(self):
activity = discord.Activity(name='Discollama', state='Ask me anything!', type=discord.ActivityType.custom)
await self.discord.change_presence(activity=activity)
logging.info(
'Ready! Invite URL: %s',
discord.utils.oauth_url(
self.discord.application_id,
permissions=discord.Permissions(
read_messages=True,
send_messages=True,
create_public_threads=True,
),
scopes=['bot'],
),
)
async def on_message(self, message):
if self.discord.user == message.author:
# don't respond to ourselves
return
if not self.discord.user.mentioned_in(message):
# don't respond to messages that don't mention us
return
content = message.content.replace(f'<@{self.discord.user.id}>', '').strip()
if not content:
content = 'Hi!'
channel = message.channel
context = []
if reference := message.reference:
context = await self.load(message_id=reference.message_id)
if not context:
reference_message = await message.channel.fetch_message(reference.message_id)
content = '\n'.join(
[
content,
'Use this to answer the question if it is relevant, otherwise ignore it:',
reference_message.content,
]
)
if not context:
context = await self.load(channel_id=channel.id)
r = Response(message)
task = asyncio.create_task(self.thinking(message))
async for part in self.generate(content, context):
task.cancel()
await r.write(part['response'], end='...')
await r.write('')
await self.save(r.channel.id, message.id, part['context'])
async def thinking(self, message, timeout=999):
try:
await message.add_reaction('🤔')
async with message.channel.typing():
await asyncio.sleep(timeout)
except Exception:
pass
finally:
await message.remove_reaction('🤔', self.discord.user)
async def generate(self, content, context):
sb = io.StringIO()
t = datetime.now()
async for part in await self.ollama.generate(model='llama2', prompt=content, context=context, stream=True):
sb.write(part['response'])
if part['done'] or datetime.now() - t > timedelta(seconds=1):
part['response'] = sb.getvalue()
yield part
t = datetime.now()
sb.seek(0, io.SEEK_SET)
sb.truncate()
async def save(self, channel_id, message_id, ctx: list[int]):
self.redis.set(f'discollama:channel:{channel_id}', message_id, ex=60 * 60 * 24 * 7)
self.redis.set(f'discollama:message:{message_id}', json.dumps(ctx), ex=60 * 60 * 24 * 7)
async def load(self, channel_id=None, message_id=None) -> list[int]:
if channel_id:
message_id = self.redis.get(f'discollama:channel:{channel_id}')
ctx = self.redis.get(f'discollama:message:{message_id}')
return json.loads(ctx) if ctx else []
def run(self, token):
try:
self.discord.run(token)
except Exception:
self.redis.close()
def main():
parser = argparse.ArgumentParser()
parser.add_argument('--ollama-scheme', default=os.getenv('OLLAMA_SCHEME', 'http'), choices=['http', 'https'])
parser.add_argument('--ollama-host', default=os.getenv('OLLAMA_HOST', '127.0.0.1'), type=str)
parser.add_argument('--ollama-port', default=os.getenv('OLLAMA_PORT', 11434), type=int)
parser.add_argument('--ollama-model', default=os.getenv('OLLAMA_MODEL', 'llama2'), type=str)
parser.add_argument('--redis-host', default=os.getenv('REDIS_HOST', '127.0.0.1'), type=str)
parser.add_argument('--redis-port', default=os.getenv('REDIS_PORT', 6379), type=int)
parser.add_argument('--buffer-size', default=32, type=int)
args = parser.parse_args()
intents = discord.Intents.default()
intents.message_content = True
Discollama(
ollama.AsyncClient(base_url=f'{args.ollama_scheme}://{args.ollama_host}:{args.ollama_port}'),
discord.Client(intents=intents),
redis.Redis(host=args.redis_host, port=args.redis_port, db=0, decode_responses=True),
).run(os.environ['DISCORD_TOKEN'])
if __name__ == '__main__':
main()