def _open_db(self):
#
# Open Name Db
#
self.nameArray = []
reader = db_util.open_reader_fixed('names')
for row in reader:
self.nameArray.append(row)
#
# Open Price Db
#
self.priceArray = []
reader = db_util.open_reader('price')
for row in reader:
self.priceArray.append(row)
#
# Open SMA Db
#
self.smaArray = []
reader = db_util.open_reader('sma')
for row in reader:
self.smaArray.append(row)
#
# Open 50day SMA
#
self.sma50Array = []
reader = db_util.open_reader('sma50')
for row in reader:
self.sma50Array.append(row)
def update_sma_db(self):
stocks = db_util.open_reader('sma')
self.smaArray = []
for arr2 in stocks:
newarr = []
symbol = arr2[0]
sma = self._calc_200_day_sma(symbol)
newarr.append(symbol)
newarr.append(sma)
newarr.extend(arr2[1:self.numSma])
self.smaArray.append(newarr)
writer = db_util.open_writer('sma')
writer.writerows(self.smaArray)
stocks = db_util.open_reader('sma50')
self.sma50Array = []
for arr2 in stocks:
newarr50 = []
symbol = arr2[0]
sma50 = self._calc_50_day_sma(symbol)
newarr50.append(symbol)
newarr50.append(sma50)
newarr50.extend(arr2[1:self.numSma])
self.sma50Array.append(newarr50)
writer = db_util.open_writer('sma50')
writer.writerows(self.sma50Array)
def update_sma_db(self):
stocks = db_util.open_reader('sma')
self.smaArray = [];
for arr2 in stocks:
newarr = [];
symbol = arr2[0]
sma = self._calc_200_day_sma(symbol)
newarr.append(symbol)
newarr.append(sma)
newarr.extend(arr2[1:self.numSma])
self.smaArray.append(newarr)
writer = db_util.open_writer('sma');
writer.writerows(self.smaArray);
stocks = db_util.open_reader('sma50')
self.sma50Array = [];
for arr2 in stocks:
newarr50 = [];
symbol = arr2[0]
sma50 = self._calc_50_day_sma(symbol)
newarr50.append(symbol)
newarr50.append(sma50)
newarr50.extend(arr2[1:self.numSma])
self.sma50Array.append(newarr50)
writer = db_util.open_writer('sma50');
writer.writerows(self.sma50Array);
def _open_db(self):
#
# Open Name Db
#
self.nameArray = []
reader = db_util.open_reader_fixed('names')
for row in reader:
self.nameArray.append(row)
#
# Open Price Db
#
self.priceArray = []
reader = db_util.open_reader('price')
for row in reader:
self.priceArray.append(row)
#
# Open SMA Db
#
self.smaArray = []
reader = db_util.open_reader('sma')
for row in reader:
self.smaArray.append(row)
#
# Open 50day SMA
#
self.sma50Array = []
reader = db_util.open_reader('sma50')
for row in reader:
self.sma50Array.append(row)
def update_price_db():
stocks = db_util.open_reader('price')
priceArray = []
for arr2 in stocks:
newarr = []
symbol = arr2[0]
price = _fetch_price(symbol)
newarr.append(symbol)
newarr.append(price)
for i in range(1, 239):
newarr.append(arr2[i])
priceArray.append(newarr)
writer = db_util.open_writer('price')
writer.writerows(priceArray)
def _open_db(self):
#
# Open Name Db
#
self.nameArray = []
reader = db_util.open_reader_fixed("names")
for row in reader:
self.nameArray.append(row)
#
# Open Price Db
#
self.priceArray = []
reader = db_util.open_reader("price")
for row in reader:
self.priceArray.append(row)
#
# Open SMA Db
#
self.smaArray = []
reader = db_util.open_reader("sma")
for row in reader:
self.smaArray.append(row)
def update_price_db(self):
stocks = db_util.open_reader("price")
self.priceArray = []
for arr2 in stocks:
newarr = []
symbol = arr2[0]
price = self._fetch_price(symbol)
print symbol, price
newarr.append(symbol)
newarr.append(price)
newarr.extend(arr2[1:240])
self.priceArray.append(newarr)
writer = db_util.open_writer("price")
writer.writerows(self.priceArray)
def update_sma_db(self):
stocks = db_util.open_reader("sma")
self.smaArray = []
for arr2 in stocks:
newarr = []
symbol = arr2[0]
sma = self._calc_200_day_sma(symbol)
newarr.append(symbol)
newarr.append(sma)
newarr.extend(arr2[1 : self.numSma])
self.smaArray.append(newarr)
writer = db_util.open_writer("sma")
writer.writerows(self.smaArray)
def update_price_db():
stocks = db_util.open_reader('price')
priceArray = []
for arr2 in stocks:
newarr = [];
symbol = arr2[0]
price = _fetch_price(symbol)
newarr.append(symbol)
newarr.append(price)
for i in range(1,239):
newarr.append(arr2[i])
priceArray.append(newarr)
writer = db_util.open_writer('price');
writer.writerows(priceArray);
def update_price_db(self):
stocks = db_util.open_reader('price')
self.priceArray = []
for arr2 in stocks:
newarr = []
symbol = arr2[0]
price = self._fetch_price(symbol)
print symbol, price
newarr.append(symbol)
newarr.append(price)
newarr.extend(arr2[1:240])
self.priceArray.append(newarr)
writer = db_util.open_writer('price')
writer.writerows(self.priceArray)
def update_price_db(self):
self.priceArray = []
updatedPriceArray = self._fetch_updated_prices();
stocks = db_util.open_reader('price')
lIndex = 0;
for arr2 in stocks:
newarr = [];
symbol = arr2[0]
price = updatedPriceArray[lIndex];
#print symbol,price
newarr.append(symbol)
newarr.append(price)
newarr.extend(arr2[1:240])
self.priceArray.append(newarr)
lIndex = lIndex + 1;
writer = db_util.open_writer('price');
writer.writerows(self.priceArray);
def _fetch_updated_prices(self):
stockArray = db_util.open_reader('price')
newPriceArray = [];
symArr = [];
for arr in stockArray:
symArr.append(arr[0])
totalLen = len(symArr);
startIndex = 0;
while ((startIndex +30) < totalLen):
newPriceArray.extend(yahoostock.get_price_for_list(symArr[startIndex:startIndex+30]));
startIndex = startIndex + 30;
print "Fetched Updated prices for %s" % (startIndex);
if (startIndex < totalLen):
newPriceArray.extend(yahoostock.get_price_for_list(symArr[startIndex:totalLen]));
return newPriceArray;
def update_price_db(self):
self.priceArray = []
updatedPriceArray = self._fetch_updated_prices()
stocks = db_util.open_reader('price')
lIndex = 0
for arr2 in stocks:
newarr = []
symbol = arr2[0]
price = updatedPriceArray[lIndex]
#print symbol,price
newarr.append(symbol)
newarr.append(price)
newarr.extend(arr2[1:240])
self.priceArray.append(newarr)
lIndex = lIndex + 1
writer = db_util.open_writer('price')
writer.writerows(self.priceArray)
def update_sma_db():
stocks = db_util.open_reader('sma')
writeArray = [];
if len(priceArray) == 0:
update_price_db()
for arr2 in stocks:
newarr = [];
symbol = arr2[0]
sma = _calc_200_day_sma(symbol)
newarr.append(symbol)
newarr.append(sma)
for i in range(1,29):
newarr.append(arr2[i])
writeArray.append(newarr)
writer = db_util.open_writer('sma');
writer.writerows(writeArray);
def update_sma_db():
stocks = db_util.open_reader('sma')
writeArray = []
if len(priceArray) == 0:
update_price_db()
for arr2 in stocks:
newarr = []
symbol = arr2[0]
sma = _calc_200_day_sma(symbol)
newarr.append(symbol)
newarr.append(sma)
for i in range(1, 29):
newarr.append(arr2[i])
writeArray.append(newarr)
writer = db_util.open_writer('sma')
writer.writerows(writeArray)
def _fetch_updated_prices(self):
stockArray = db_util.open_reader('price')
newPriceArray = []
symArr = []
for arr in stockArray:
symArr.append(arr[0])
totalLen = len(symArr)
startIndex = 0
while ((startIndex + 30) < totalLen):
newPriceArray.extend(
yahoostock.get_price_for_list(symArr[startIndex:startIndex +
30]))
startIndex = startIndex + 30
print "Fetched Updated prices for %s" % (startIndex)
if (startIndex < totalLen):
newPriceArray.extend(
yahoostock.get_price_for_list(symArr[startIndex:totalLen]))
return newPriceArray
last_date = last_quote[0].split('-');
day = last_date[2];
today = date.today().day
if int(today) == int(day):
return 1
else:
return 0
#
# Update for today if needed
#
def _update_and_open_db()
# Check if todays file is created
if db_util.check_update('price'):
priceArray = db_util.open_reader('price')
smaArray = db_util.open_reader('sma')
else:
# Check if today is a market day
if today_is_market_day():
# Update Price and SMA DB
update_price_db():
update_sma_db():
arrayUpdated = 1
else:
priceArray = db_util.open_reader('price')
smaArray = db_util.open_reader('sma')
def _update_symbol_list()
FilePtr = open('.update_symbols')
someArr = [];