Files
hub/backend/app.py
T

300 lines
11 KiB
Python

from datetime import datetime
import asyncio
import json
import sys
import os
from sqlalchemy.orm import Session
from sqlalchemy.sql.expression import select
from quart import Quart, Response, request, send_from_directory, jsonify, websocket
from qdrant_client import QdrantClient
import replicate
import database as db
import agent as agent_mod
from server import start_server
from chat import ChatView, Message, MESSAGE_PAGE_SIZE
from agents.conversation import ConversationAgent
from app_mixins import ChatMixin
class App(ChatMixin):
def __init__(self, data_directory, replicate_api_token=None):
self.data_directory = data_directory
self.user_connections = {}
self.remote_connections = {}
self.streams = {}
# Initialize Clients
self.sql_engine = db.create_sql_engine(self.data_directory)
self.qdrant_client = QdrantClient(path=f"{self.data_directory}/qdrant_data")
if replicate_api_token:
self.replicate_client = replicate.Client(api_token=replicate_api_token)
else:
raise Exception("Horde only works with a replicate connection. Please provide an API Token.")
# `Agent` is the kind 'basic', will be class `BasicAgent` in the future
self.agent_classes = [
agent_mod.BasicAgent,
ConversationAgent,
agent_mod.Llama8bAgent,
agent_mod.CoderV1Agent,
agent_mod.ToolUsingAgent,
agent_mod.DebugAgent,
]
def sql_session(self):
return Session(self.sql_engine)
def add_user_connection(self, user_id, channel):
if user_id not in self.user_connections:
self.user_connections[user_id] = []
if channel not in self.user_connections[user_id]:
self.user_connections[user_id].append(channel)
def remove_user_connection(self, user_id, channel):
if user_id in self.user_connections:
if channel in self.user_connections[user_id]:
self.user_connections[user_id].remove(channel)
if not self.user_connections[user_id]: # Check if the list is empty
del self.user_connections[user_id]
def add_remote_connection(self, user_id, remotename, channel):
if user_id not in self.remote_connections:
self.remote_connections[user_id] = {}
user_connections = self.remote_connections[user_id]
if channel_list not in user_connections[remotename]:
user_connections[remotename] = []
user_connections[remotename].append(channel)
def create_agent(self, user_id, name, agentname, description, picture, kind, data, main_chat_id=None):
with self.sql_session() as session:
if main_chat_id is None:
chat = db.Chat()
chat.user_id = user_id
chat.name = name
session.add(chat)
session.commit()
main_chat_id = chat.id
agent = db.Agent()
agent.user_id = user_id
agent.name = name
agent.agentname = agentname
agent.main_chat_id = main_chat_id
agent.description = description
agent.picture = picture
agent.kind = kind
agent.data = data
session.add(agent)
session.commit()
print(f"Created agent #{agent.id}: {agent.name}")
membership = db.Membership()
membership.chat_id = main_chat_id
membership.agent_id = agent.id
session.add(membership)
session.commit()
return agent.id
# Updates the agent's basic fields, and applies field updates in its data
def update_agent(self, agent_id, name=None, description=None, picture=None, agentname=None, data=None):
with self.sql_session() as session:
agent = session.execute(
select(db.Agent).where(db.Agent.id == agent_id)
).scalars().first()
if not agent:
raise Exception(f"Agent not found with id {agent_id}")
summary = []
if name != None:
agent.name = name
summary.append('name')
if description != None:
agent.description = description
summary.append('description')
if picture != None:
agent.picture = picture
summary.append('picture')
if agentname != None:
agent.agentname = agentname
summary.append('agentname')
if data:
# Assign a copy to trigger a value change
agent.data = agent.data.copy() if agent.data else {}
agent.data.update(data)
summary.extend([f"data.{name}" for name in data.keys()])
session.commit()
print(f"Updated agent #{agent.id} fields: {summary}")
def get_agents(self, user_id):
with self.sql_session() as session:
agents = session.execute(select(db.Agent).where(db.Agent.user_id == user_id)).scalars().all()
return [{
"id": agent.id,
"name": agent.name,
"agentname": agent.agentname,
"description": agent.description,
"picture": agent.picture,
"kind": agent.kind,
} for agent in agents]
def get_agent_kinds(self):
return [kind.identifier for kind in self.agent_classes]
def get_agent_kind_info(self, kind):
agent_class = next((it for it in self.agent_classes if it.identifier == kind), None)
if agent_class is None:
raise Exception(f"invalid agent kind: {kind}")
return {
"name": agent_class.identifier,
"description": getattr(agent_class, 'description', None),
}
def verify_user_credentials(self, username, password):
with self.sql_session() as session:
user = session.execute(
select(db.User).where(db.User.username == username)
).scalars().first()
if user and user.password == password:
return user.id
return None
def create_new_user(self, username, email, password):
with self.sql_session() as session:
result = session.execute(
select(db.User.id).where(db.User.email == email or db.User.username == username)
).first()
if result is None:
user = db.User()
user.email = email
user.username = username
user.password = password
session.add(user)
session.commit()
user_id = user.id
print(f"Created user #{user_id}: {username} ({email})")
else:
print(f"Signup error: '{email}' or '{username}' are already used")
return user_id
def get_agent_control(self, agent_id):
with self.sql_session() as session:
agent = session.execute(
select(db.Agent).where(db.Agent.id == agent_id)
).scalars().first()
if not agent:
raise Exception(f"Agent not found with id {agent_id}")
agent_class = next((kind for kind in self.agent_classes if kind.identifier == agent.kind), None)
if agent_class is None:
raise Exception(f"invalid agent kind: {agent.kind}")
control = agent_class(app, agent.data)
control._set_basic_info(agent_id, agent.name)
return control
def get_agent_config_fields(self, agent_id):
with self.sql_session() as session:
agent = session.execute(
select(db.Agent).where(db.Agent.id == agent_id)
).scalars().first()
if not agent:
raise Exception(f"Agent not found with id {agent_id}")
agent_class = next((it for it in self.agent_classes if it.identifier == agent.kind), None)
if not agent_class:
raise Exception(f"Invalid agent kind: {agent.kind}")
data = agent.data or {}
fields = [{
'name': field.name,
'type': field.type,
'value': data.get(field.name, field.default)
} for field in agent_class.schema_fields]
return fields
return {}
async def send_agent_prompt(self, agent_id, message):
control = self.get_agent_control(agent_id)
response = await control.prompt(message)
return response
async def call_agent_action(self, agent_id, action, args):
control = self.get_agent_control(agent_id)
response = await control.execute_action(action, args)
return response
def generate_default_user_data(self, user_id):
chat_id = self.create_chat(
user_id=user_id,
name="Initial Chat",
description="First user chat with Intro.",
picture=None,
members=[],
)
agent_id = self.create_agent(
user_id=user_id,
name="Intro",
agentname="intro",
main_chat_id=chat_id,
description="Introduces you to the application.",
picture=None,
kind="conversation", # Should be 'intro'
data={}
)
def get_agent_resource(self, agent_id, kind, key):
with self.sql_session() as session:
stored_value = session.execute(select(db.AgentResource.value).where(
db.AgentResource.agent_id == agent_id and db.AgentResource.kind == kind and db.AgentResource.key == key
)).scalar()
return stored_value
def save_agent_resource(self, agent_id, kind, key, value):
with self.sql_session() as session:
existing_resource = session.execute(select(db.AgentResource).where(
db.AgentResource.agent_id == agent_id and db.AgentResource.kind == kind and db.AgentResource.key == key
)).scalars().first()
if existing_resource:
existing_resource.value = value
else:
new_resource = db.AgentResource()
new_resource.agent_id = agent_id
new_resource.kind = kind
new_resource.key = key
new_resource.value = value
session.add(new_resource)
session.commit()
print(f"Saved agent resource: {agent_id} - {kind} - {key} = {value}")
if __name__ == "__main__":
if len(sys.argv) > 1:
data_directory = sys.argv[1]
else:
print("No directory specified. Using current directory as default.")
data_directory = "."
app = App(
data_directory=data_directory,
replicate_api_token=os.getenv('REPLICATE_API_TOKEN'),
)
start_server(app)