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client.py
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client.py
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import json
import random
import urllib.request
# Server API URLs
QUERY = "http://localhost:8080/query?id={}"
# 500 server request
N = 500
def getDataPoint(quote):
""" Produce all the needed values to generate a datapoint """
""" ------------- Update this function ------------- """
stock = quote['stock']
bid_price = float(quote['top_bid']['price'])
ask_price = float(quote['top_ask']['price'])
price = (bid_price + ask_price) / 2
return stock, bid_price, ask_price, price
def getRatio(price_a, price_b):
""" Get ratio of price_a and price_b """
""" ------------- Update this function ------------- """
if price_b == 0:
return
else:
return price_a / price_b
# Main
if __name__ == "__main__":
# Query the price once every N seconds.
for _ in iter(range(N)):
quotes = json.loads(urllib.request.urlopen(QUERY.format(random.random())).read())
""" ----------- Update to get the ratio --------------- """
for quote in quotes:
stock, bid_price, ask_price, price = getDataPoint(quote)
prices[stock] = price
print("Quoted %s at (bid:%s, ask:%s, price:%s)" % (stock, bid_price, ask_price, price))
print("Ratio %s" % getRatio(prices["ABC"], prices["DEF"]))