backend/app/cron_historical_adj_price.py
2025-04-11 23:06:30 +02:00

73 lines
2.3 KiB
Python

from datetime import datetime, timedelta
import ujson
import time
import sqlite3
import asyncio
import aiohttp
import random
from tqdm import tqdm
from dotenv import load_dotenv
import os
load_dotenv()
api_key = os.getenv('FMP_API_KEY')
today = datetime.today().strftime('%Y-%m-%d')
async def save_json(symbol, data):
path = f"json/historical-price/adj"
os.makedirs(path, exist_ok=True) # Create directories if they don't exist
with open(f"{path}/{symbol}.json", 'w') as file:
ujson.dump(data, file)
def get_symbols(db_name, table_name):
"""
Fetch symbols from the SQLite database
"""
with sqlite3.connect(db_name) as con:
cursor = con.cursor()
cursor.execute("PRAGMA journal_mode = wal")
cursor.execute(f"SELECT DISTINCT symbol FROM {table_name} WHERE symbol NOT LIKE '%.%'")
return [row[0] for row in cursor.fetchall()]
async def get_data(session, symbol):
res_list = []
start_date = '2000-01-01'
url = f"https://financialmodelingprep.com/stable/historical-price-eod/dividend-adjusted?symbol={symbol}&from={start_date}&to={today}&apikey={api_key}"
try:
async with session.get(url) as response:
if response.status == 200:
res_list = await response.json()
except Exception as e:
print(f"Error fetching data for {symbol}: {e}")
if len(res_list) > 0:
await save_json(symbol, res_list)
async def run():
stock_symbols = get_symbols('stocks.db', 'stocks')
etf_symbols = get_symbols('etf.db', 'etfs')
index_symbols = ['^SPX','^VIX']
total_symbols = stock_symbols + etf_symbols + index_symbols
async with aiohttp.ClientSession() as session:
tasks = []
for i, symbol in enumerate(tqdm(total_symbols), 1):
try:
tasks.append(get_data(session, symbol))
if i % 500 == 0:
await asyncio.gather(*tasks)
tasks = []
print(f'sleeping mode: {i}')
await asyncio.sleep(60) # Pause for 60 seconds
except:
pass
if tasks:
await asyncio.gather(*tasks)
if __name__ == "__main__":
loop = asyncio.get_event_loop()
loop.run_until_complete(run())