def getSymbolDataInstanceForDateDictionaryDataPoints(symbol_key_list_tuple):
"""
:param list symbol_data_list: This is a list whose elements are tuples of the form (Key, Value) where each
Key is a stock symbol and each Value is a list of comma-delimited strings,
each representing a date's worth of stock data
:return: tuple (key, value)|None: The returned key is a stock's symbol while the returned value is an object of
type SymbolData. The symbol data object will contain the data which was
contained in the list of comma-delimited strings. However if the list
is empty, a value of None will be returned
"""
# Index 1 of the symbol_key_list_tuple contains the list of comma-delimited strings
symbol_data_list = symbol_key_list_tuple[1]
if len(symbol_data_list) < 1:
# If the stock had no data points within the time-frame specified by dateIntervalDictionary, return a
# None value
return SymbolData(None)
# Index 0 of the symbol_key_list_tuple contains the stock symbol
symbol_code = symbol_key_list_tuple[0]
# Instantiate the SymbolData object
symbolDataInstance = SymbolData(symbol_code)
# Iterate over the strings of stock-date data in the list
for symbol_date_data in symbol_data_list:
# We have an eventual data point which will operate on the stock's close price and percentage delta,
# so record those values if this symbol_date_data string is specific to today's date
date = symbol_date_data[StockRdd.DATE_INDEX]
if date == today_date:
symbolDataInstance.setTodayPrice(symbol_date_data[StockRdd.CLOSE_PRICE_INDEX])
symbolDataInstance.setTodayDeltaPercentage(symbol_date_data[StockRdd.DELTA_PERCENTAGE_INDEX])
# Get all of the time spans which the date for this row belongs to
date_interval_codes_for_date = dateIntervalDictionary.getIntervalCodesByDate(date)
if not(date_interval_codes_for_date is None):
for date_interval_code in date_interval_codes_for_date:
# Add a value row for each span that this date belongs to
symbolDataInstance.addSpanValueByCode(date_interval_code, date_interval_code, symbol_date_data[StockRdd.CLOSE_PRICE_INDEX],
symbol_date_data[StockRdd.OPEN_PRICE_INDEX], symbol_date_data[StockRdd.HIGH_PRICE_INDEX],
symbol_date_data[StockRdd.LOW_PRICE_INDEX], symbol_date_data[StockRdd.DELTA_INDEX],
symbol_date_data[StockRdd.DELTA_PERCENTAGE_INDEX])
# Return a tuple comprised of the stock symbol and the SymbolData object
return (symbol_code, symbolDataInstance)
def test_getTodayPrice(self):
expected_today_price = 12.4
symbolDataTest = SymbolData('A')
symbolDataTest.setTodayPrice(expected_today_price)
test_today_price = symbolDataTest.getTodayPrice()
self.assertEqual(expected_today_price, test_today_price, 'A SymbolData object did not return the expected value when calling getTodayPrice(), expected {0} but returned {1}'.format(expected_today_price, test_today_price))
