5a743d1dc4
git-subtree-dir: apps/core git-subtree-mainline: a8963e11e7a5a0059acbc849ce768e1eee80df61 git-subtree-split: ea2a7395f4023f5b9fab03e6273db3b64a1181d5
109 lines
4.0 KiB
Python
109 lines
4.0 KiB
Python
import asyncio
|
|
import threading
|
|
|
|
import letta.server.ws_api.protocol as protocol
|
|
from letta.interface import AgentInterface
|
|
|
|
|
|
class BaseWebSocketInterface(AgentInterface):
|
|
"""Interface for interacting with a Letta agent over a WebSocket"""
|
|
|
|
def __init__(self):
|
|
self.clients = set()
|
|
|
|
def register_client(self, websocket):
|
|
"""Register a new client connection"""
|
|
self.clients.add(websocket)
|
|
|
|
def unregister_client(self, websocket):
|
|
"""Unregister a client connection"""
|
|
self.clients.remove(websocket)
|
|
|
|
def step_yield(self):
|
|
pass
|
|
|
|
|
|
class AsyncWebSocketInterface(BaseWebSocketInterface):
|
|
"""WebSocket calls are async"""
|
|
|
|
async def user_message(self, msg):
|
|
"""Handle reception of a user message"""
|
|
# Logic to process the user message and possibly trigger agent's response
|
|
|
|
async def internal_monologue(self, msg):
|
|
"""Handle the agent's internal monologue"""
|
|
print(msg)
|
|
# Send the internal monologue to all clients
|
|
if self.clients: # Check if there are any clients connected
|
|
await asyncio.gather(*[client.send_text(protocol.server_agent_internal_monologue(msg)) for client in self.clients])
|
|
|
|
async def assistant_message(self, msg):
|
|
"""Handle the agent sending a message"""
|
|
print(msg)
|
|
# Send the assistant's message to all clients
|
|
if self.clients:
|
|
await asyncio.gather(*[client.send_text(protocol.server_agent_assistant_message(msg)) for client in self.clients])
|
|
|
|
async def function_message(self, msg):
|
|
"""Handle the agent calling a function"""
|
|
print(msg)
|
|
# Send the function call message to all clients
|
|
if self.clients:
|
|
await asyncio.gather(*[client.send_text(protocol.server_agent_function_message(msg)) for client in self.clients])
|
|
|
|
|
|
class SyncWebSocketInterface(BaseWebSocketInterface):
|
|
def __init__(self):
|
|
super().__init__()
|
|
self.clients = set()
|
|
self.loop = asyncio.new_event_loop() # Create a new event loop
|
|
self.thread = threading.Thread(target=self._run_event_loop, daemon=True)
|
|
self.thread.start()
|
|
|
|
def _run_event_loop(self):
|
|
"""Run the dedicated event loop and handle its closure."""
|
|
asyncio.set_event_loop(self.loop)
|
|
try:
|
|
self.loop.run_forever()
|
|
finally:
|
|
# Run the cleanup tasks in the event loop
|
|
self.loop.run_until_complete(self.loop.shutdown_asyncgens())
|
|
self.loop.close()
|
|
|
|
def _run_async(self, coroutine):
|
|
"""Schedule coroutine to be run in the dedicated event loop."""
|
|
if not self.loop.is_closed():
|
|
asyncio.run_coroutine_threadsafe(coroutine, self.loop)
|
|
|
|
async def _send_to_all_clients(self, clients, msg):
|
|
"""Asynchronously sends a message to all clients."""
|
|
if clients:
|
|
await asyncio.gather(*(client.send_text(msg) for client in clients))
|
|
|
|
def user_message(self, msg):
|
|
"""Handle reception of a user message"""
|
|
# Logic to process the user message and possibly trigger agent's response
|
|
|
|
def internal_monologue(self, msg):
|
|
"""Handle the agent's internal monologue"""
|
|
print(msg)
|
|
if self.clients:
|
|
self._run_async(self._send_to_all_clients(self.clients, protocol.server_agent_internal_monologue(msg)))
|
|
|
|
def assistant_message(self, msg):
|
|
"""Handle the agent sending a message"""
|
|
print(msg)
|
|
if self.clients:
|
|
self._run_async(self._send_to_all_clients(self.clients, protocol.server_agent_assistant_message(msg)))
|
|
|
|
def function_message(self, msg):
|
|
"""Handle the agent calling a function"""
|
|
print(msg)
|
|
if self.clients:
|
|
self._run_async(self._send_to_all_clients(self.clients, protocol.server_agent_function_message(msg)))
|
|
|
|
def close(self):
|
|
"""Shut down the WebSocket interface and its event loop."""
|
|
self.loop.call_soon_threadsafe(self.loop.stop) # Signal the loop to stop
|
|
self.thread.join() # Wait for the thread to finish
|