Files
AI-Stock-Trader/WebServer/AIPython/datapuller.py
T
2026-03-10 17:26:11 -07:00

35 lines
1.1 KiB
Python

import os
import yfinance as yf
import pandas as pd
def pull():
# Get the CWD for pathing due to being called from C# now
SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
DATA_DIR = os.path.join(SCRIPT_DIR, "data")
# Import the S&P 500 symbols
symbols = pd.read_excel(os.path.join(DATA_DIR, "stock_symbols.xlsx"))
symbols.columns = symbols.columns.str.strip()
tickers = symbols['Symbol'].tolist()
# Scrape the data
all_data = []
for i, symbol in enumerate(tickers):
df = yf.download(symbol, period="max", auto_adjust=True)
if not df.empty:
# Remove the Horizontal ticker column
df.columns = df.columns.get_level_values(0)
# Add in the Vertical ticker column
df['Ticker'] = symbol
# add to master list
all_data.append(df)
# Concatinate into a combined list and cache
final_df = pd.concat(all_data)
# Save to file
final_df.to_parquet(os.path.join(DATA_DIR, "stocks.parquet"))
final_df.head(200).to_csv(os.path.join(DATA_DIR, "stocks.preview.csv"))
if __name__ == "__main__":
pull()