Created
July 30, 2017 23:47
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fetch stock price in batch mode
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''' | |
scrape all history stock Data | |
''' | |
import datetime | |
import pandas_datareader.data as web | |
from dateutil.relativedelta import relativedelta | |
import mysql.connector | |
import xml.etree.ElementTree as ET | |
import pandas as pd | |
import os | |
def get_data(symbol): | |
start = datetime.datetime(2000, 01, 01); | |
end = datetime.datetime.now(); | |
print 'scraping [%s]' % symbol | |
# read the stock information from Google finance | |
if symbol[0] == '^' or "VIX" in symbol : # we have to call Stooq reader | |
df = web.DataReader(symbol, 'stooq') | |
else: | |
df = web.DataReader(symbol, 'yahoo', start, end) | |
# for backward compatible we have to add column called adj. price | |
return df | |
'''Main Function''' | |
def main(): | |
os.chdir("/home/ec2-user/data/stock_price") | |
# init mysql connection | |
# mysql -h sfdata.cf6ulue4mzq9.us-west-2.rds.amazonaws.com -P 3306 -u spr1ngf0rward -p | |
cnx = mysql.connector.connect(user='spr1ngf0rward', password='DTXpecgdTQzijTMg2', | |
host='sfdata.cf6ulue4mzq9.us-west-2.rds.amazonaws.com', | |
database='sfdata') | |
# queries | |
get_symbols = ("SELECT symbol_id, symbol FROM symbol WHERE exchange_id in (1,2,24)") | |
Insert_Price = ("INSERT INTO stock_prices" | |
"(symbol, symbol_id, date, open, high, low, close, adj_close, volume, created_on)" | |
"VALUES (%(symbol)s, %(symbol_id)s, %(date)s, %(open)s, %(high)s, %(low)s, %(close)s, %(adj_close)s, %(volume)s, %(created_on)s)") | |
symbols = [] | |
## get symbol list | |
cursor = cnx.cursor() | |
cursor.execute(get_symbols) | |
for (symbol_id, symbol) in cursor: | |
symbols.append((symbol_id, symbol)) | |
cursor.close() | |
# insert stock price into database | |
output = 'stock_prices.csv' | |
# debug | |
# symbols = [(1, 'AABA'), (2, 'YHOO'), (3, 'BABA')] | |
for (symbol_id, symbol) in symbols: | |
try: | |
data=get_data(symbol) | |
data["symbol"] = symbol | |
data["symbol_id"] = symbol_id | |
data["date"] =data.index | |
data["created_on"]= datetime.datetime.now().date() | |
order = ['symbol', 'symbol_id', 'date', 'Open', 'High', 'Low', 'Close', 'Adj Close', 'Volume', 'created_on'] | |
data = data.ix[:, order] | |
data.to_csv(output, index = False, mode = 'a', header = False) | |
print ("download %s success" % (symbol)) | |
except Exception as ex: | |
print ("download %s fails - %s" % (symbol, ex)) | |
if __name__ == '__main__': | |
main() |
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