TradingAgents/tradingagents/agents/utils/memory.py

68 lines
2.2 KiB
Python

import logging
import chromadb
from chromadb.config import Settings
from openai import OpenAI
logger = logging.getLogger(__name__)
class FinancialSituationMemory:
def __init__(self, name, config):
if config["backend_url"] == "http://localhost:11434/v1":
self.embedding = "nomic-embed-text"
else:
self.embedding = "text-embedding-3-small"
self.client = OpenAI(base_url=config["backend_url"])
self.chroma_client = chromadb.Client(Settings(allow_reset=True))
self.situation_collection = self.chroma_client.get_or_create_collection(name=name)
def get_embedding(self, text):
response = self.client.embeddings.create(
model=self.embedding, input=text
)
return response.data[0].embedding
def add_situations(self, situations_and_advice):
situations = []
advice = []
ids = []
embeddings = []
offset = self.situation_collection.count()
for i, (situation, recommendation) in enumerate(situations_and_advice):
situations.append(situation)
advice.append(recommendation)
ids.append(str(offset + i))
embeddings.append(self.get_embedding(situation))
self.situation_collection.add(
documents=situations,
metadatas=[{"recommendation": rec} for rec in advice],
embeddings=embeddings,
ids=ids,
)
def get_memories(self, current_situation, n_matches=1):
query_embedding = self.get_embedding(current_situation)
results = self.situation_collection.query(
query_embeddings=[query_embedding],
n_results=n_matches,
include=["metadatas", "documents", "distances"],
)
matched_results = []
for i in range(len(results["documents"][0])):
matched_results.append(
{
"matched_situation": results["documents"][0][i],
"recommendation": results["metadatas"][0][i]["recommendation"],
"similarity_score": 1 - results["distances"][0][i],
}
)
return matched_results