backend/app/cron_dividends.py
2024-08-23 15:27:19 +02:00

106 lines
3.4 KiB
Python

import aiohttp
import ujson
import sqlite3
import asyncio
import pandas as pd
from tqdm import tqdm
import orjson
async def save_as_json(symbol, data):
with open(f"json/dividends/companies/{symbol}.json", 'w') as file:
ujson.dump(data, file)
async def get_data(ticker, con, etf_con, stock_symbols, etf_symbols):
try:
if ticker in etf_symbols:
table_name = 'etfs'
column_name = 'etf_dividend'
else:
table_name = 'stocks'
column_name = 'stock_dividend'
query_template = f"""
SELECT
{column_name}, quote
FROM
{table_name}
WHERE
symbol = ?
"""
df = pd.read_sql_query(query_template, etf_con if table_name == 'etfs' else con, params=(ticker,))
dividend_data = orjson.loads(df[column_name].iloc[0])
res = dividend_data.get('historical', [])
filtered_res = [item for item in res if item['recordDate'] != '' and item['paymentDate'] != '']
# Calculate payout frequency based on dividends recorded in 2023
payout_frequency = sum(1 for item in filtered_res if '2023' in item['recordDate'])
quote_data = orjson.loads(df['quote'].iloc[0])[0]
eps = quote_data.get('eps')
current_price = quote_data.get('price')
amount = filtered_res[0]['adjDividend'] if filtered_res else 0
annual_dividend = round(amount * payout_frequency, 2)
dividend_yield = round((annual_dividend / current_price) * 100, 2) if current_price else None
payout_ratio = round((1 - (eps - annual_dividend) / eps) * 100, 2) if eps else None
previous_index = next((i for i, item in enumerate(filtered_res) if '2023' in item['recordDate']), None)
# Calculate previousAnnualDividend and dividendGrowth
previous_annual_dividend = (filtered_res[previous_index]['adjDividend'] * payout_frequency) if previous_index is not None else 0
dividend_growth = round(((annual_dividend - previous_annual_dividend) / previous_annual_dividend) * 100, 2) if previous_annual_dividend else None
return {
'payoutFrequency': payout_frequency,
'annualDividend': annual_dividend,
'dividendYield': dividend_yield,
'payoutRatio': payout_ratio,
'dividendGrowth': dividend_growth,
'history': filtered_res,
}
except:
res = {}
return res
async def run():
con = sqlite3.connect('stocks.db')
cursor = con.cursor()
cursor.execute("PRAGMA journal_mode = wal")
cursor.execute("SELECT DISTINCT symbol FROM stocks WHERE symbol NOT LIKE '%.%'")
stock_symbols = [row[0] for row in cursor.fetchall()]
etf_con = sqlite3.connect('etf.db')
etf_cursor = etf_con.cursor()
etf_cursor.execute("SELECT DISTINCT symbol FROM etfs")
etf_symbols = [row[0] for row in etf_cursor.fetchall()]
total_symbols = stock_symbols + etf_symbols
for ticker in tqdm(total_symbols):
res = await get_data(ticker, con, etf_con, stock_symbols, etf_symbols)
try:
if len(res.get('history')) > 0 and res.get('dividendGrowth') != None:
await save_as_json(ticker, res)
except:
pass
con.close()
etf_con.close()
try:
asyncio.run(run())
except Exception as e:
print(e)