TradingAgents/web_app/backend/main.py

230 lines
7.7 KiB
Python

from fastapi import FastAPI, HTTPException, BackgroundTasks
from fastapi.middleware.cors import CORSMiddleware
from pydantic import BaseModel
from typing import Dict, Any, List, Optional
import json
import os
import asyncio
from datetime import datetime, date
import glob
from pathlib import Path
import uuid
# Import your TradingAgents components
import sys
sys.path.append(os.path.join(os.path.dirname(__file__), "../.."))
from tradingagents.graph.trading_graph import TradingAgentsGraph
from tradingagents.default_config import DEFAULT_CONFIG
app = FastAPI(title="TradingAgents API", version="1.0.0")
# Configure CORS
app.add_middleware(
CORSMiddleware,
allow_origins=["http://localhost:3000"], # React dev server
allow_credentials=True,
allow_methods=["*"],
allow_headers=["*"],
)
# Pydantic models
class AnalysisRequest(BaseModel):
symbol: str
date: str
config_overrides: Optional[Dict[str, Any]] = None
class AnalysisResponse(BaseModel):
job_id: str
status: str
message: str
class JobStatus(BaseModel):
job_id: str
status: str
progress: Optional[str] = None
result: Optional[Dict[str, Any]] = None
error: Optional[str] = None
# In-memory job storage (in production, use Redis or database)
jobs: Dict[str, JobStatus] = {}
@app.get("/")
async def root():
return {"message": "TradingAgents API is running"}
@app.get("/health")
async def health_check():
return {"status": "healthy", "timestamp": datetime.now().isoformat()}
async def run_analysis_task(job_id: str, symbol: str, analysis_date: str, config_overrides: Dict[str, Any] = None):
"""Background task to run the trading analysis"""
try:
jobs[job_id].status = "running"
jobs[job_id].progress = "Initializing TradingAgents..."
# Create custom config
config = DEFAULT_CONFIG.copy()
if config_overrides:
config.update(config_overrides)
# Initialize TradingAgents
jobs[job_id].progress = "Setting up trading graph..."
ta = TradingAgentsGraph(debug=True, config=config)
# Run the analysis
jobs[job_id].progress = f"Analyzing {symbol} for {analysis_date}..."
_, decision = ta.propagate(symbol, analysis_date)
jobs[job_id].status = "completed"
jobs[job_id].result = {
"symbol": symbol,
"date": analysis_date,
"decision": decision,
"completed_at": datetime.now().isoformat()
}
jobs[job_id].progress = "Analysis completed successfully"
except Exception as e:
jobs[job_id].status = "failed"
jobs[job_id].error = str(e)
jobs[job_id].progress = f"Error: {str(e)}"
@app.post("/analysis/start", response_model=AnalysisResponse)
async def start_analysis(request: AnalysisRequest, background_tasks: BackgroundTasks):
"""Start a new trading analysis"""
job_id = str(uuid.uuid4())
# Validate date format
try:
datetime.strptime(request.date, "%Y-%m-%d")
except ValueError:
raise HTTPException(status_code=400, detail="Invalid date format. Use YYYY-MM-DD")
# Initialize job
jobs[job_id] = JobStatus(
job_id=job_id,
status="queued",
progress="Analysis queued"
)
# Start background task
background_tasks.add_task(
run_analysis_task,
job_id,
request.symbol.upper(),
request.date,
request.config_overrides or {}
)
return AnalysisResponse(
job_id=job_id,
status="queued",
message=f"Analysis started for {request.symbol} on {request.date}"
)
@app.get("/analysis/status/{job_id}", response_model=JobStatus)
async def get_analysis_status(job_id: str):
"""Get the status of a running analysis"""
if job_id not in jobs:
raise HTTPException(status_code=404, detail="Job not found")
return jobs[job_id]
@app.get("/results/companies")
async def get_companies():
"""Get list of companies with analysis results"""
results_dir = "/home/brabus61/Desktop/Github Repos/TradingAgents/scripts/eval_results"
if not os.path.exists(results_dir):
return {"companies": []}
companies = []
for company_dir in os.listdir(results_dir):
company_path = os.path.join(results_dir, company_dir)
if os.path.isdir(company_path):
# Get latest analysis date
logs_dir = os.path.join(company_path, "TradingAgentsStrategy_logs")
if os.path.exists(logs_dir):
json_files = glob.glob(os.path.join(logs_dir, "*.json"))
if json_files:
latest_file = max(json_files, key=os.path.getctime)
latest_date = os.path.basename(latest_file).replace("full_states_log_", "").replace(".json", "")
companies.append({
"symbol": company_dir,
"latest_analysis": latest_date,
"total_analyses": len(json_files)
})
return {"companies": companies}
@app.get("/results/{symbol}")
async def get_company_results(symbol: str):
"""Get all analysis results for a specific company"""
results_dir = f"/home/brabus61/Desktop/Github Repos/TradingAgents/scripts/eval_results/{symbol.upper()}/TradingAgentsStrategy_logs"
if not os.path.exists(results_dir):
raise HTTPException(status_code=404, detail=f"No results found for {symbol}")
results = []
json_files = glob.glob(os.path.join(results_dir, "*.json"))
for file_path in sorted(json_files, key=os.path.getctime, reverse=True):
filename = os.path.basename(file_path)
analysis_date = filename.replace("full_states_log_", "").replace(".json", "")
try:
with open(file_path, 'r') as f:
data = json.load(f)
results.append({
"date": analysis_date,
"filename": filename,
"file_size": os.path.getsize(file_path),
"modified_at": datetime.fromtimestamp(os.path.getmtime(file_path)).isoformat(),
"preview": {
"keys": list(data.keys()) if isinstance(data, dict) else "Not a dict",
"size": len(str(data))
}
})
except Exception as e:
results.append({
"date": analysis_date,
"filename": filename,
"error": f"Could not read file: {str(e)}"
})
return {"symbol": symbol.upper(), "results": results}
@app.get("/results/{symbol}/{date}")
async def get_specific_result(symbol: str, date: str):
"""Get specific analysis result"""
file_path = f"/home/brabus61/Desktop/Github Repos/TradingAgents/scripts/eval_results/{symbol.upper()}/TradingAgentsStrategy_logs/full_states_log_{date}.json"
if not os.path.exists(file_path):
raise HTTPException(status_code=404, detail=f"No result found for {symbol} on {date}")
try:
with open(file_path, 'r') as f:
data = json.load(f)
return {
"symbol": symbol.upper(),
"date": date,
"data": data,
"metadata": {
"file_size": os.path.getsize(file_path),
"modified_at": datetime.fromtimestamp(os.path.getmtime(file_path)).isoformat()
}
}
except Exception as e:
raise HTTPException(status_code=500, detail=f"Error reading result: {str(e)}")
@app.get("/config")
async def get_default_config():
"""Get the default configuration"""
return {"config": DEFAULT_CONFIG}
if __name__ == "__main__":
import uvicorn
uvicorn.run(app, host="0.0.0.0", port=8000)