from fa.database.query import get_outdated_symbols, update_fundamentals
import initialize
from settings import *
""" Download data from internet to database """
initialize.init()
logger = logging.getLogger(__name__)
logger.info("Will update historical prices of all symbols not up to date on {0}.".format(end_date))
all_symbols = [s.symbol for s in get_outdated_symbols("price", end_date)]
# do the download in chunks of size 8 to prevent overloading servers
for symbols in partition(all_symbols, 8):
data = yahoo.get_historical_data(symbols, start_date, end_date)
for symbol, csv_string in data.items():
if csv_string:
try:
records = csv_string_to_records(symbol, csv_string, strict=True)
update_fundamentals("price", symbol, records, end_date, delete_old=True)
except csv.Error as e:
logger.exception(e)
logger.error("csv of {0} is malformed.".format(symbol))
else:
logger.warning("Could not find updated historical prices of {0}. Skip.".format(symbol))
logger.info("Finished updating historical prices.")
