def deleteSymbols(self, request):
symbolkeys = []
for sym in StockSymbol.query():
symbolkeys.append(sym.key)
ndb.delete_multi(symbolkeys)
message = 'All Symbols Deleted'
return StockSymbolCountMessage(message=message)
def store(self):
STOCK_DIR = os.path.join('polarityData', 'stock_symbols')
NASDAQ_FILE = os.path.join(STOCK_DIR, 'CompanylistNASDAQ.csv')
with open(NASDAQ_FILE, 'rb') as f:
reader = csv.reader(f)
for row in reader:
symbol = row[0]
name = row[1]
if(str.strip(symbol) != '' and str.strip(name) != ''):
stock = StockSymbol(symbol = symbol, companyName = name, exchange = 'NASDAQ')
self.symbollist.append(stock)
#query = StockSymbol.query(StockSymbol.exchange == 'NASDAQ')
#print 'NASDAQ Symbols Count:', query.count()
AMEX_FILE = os.path.join(STOCK_DIR, 'CompanylistAMEX.csv')
with open(AMEX_FILE, 'rb') as f:
reader = csv.reader(f)
for row in reader:
symbol = row[0]
name = row[1]
if(str.strip(symbol) != '' and str.strip(name) != ''):
stock = StockSymbol(symbol = symbol, companyName = name, exchange = 'AMEX')
self.symbollist.append(stock)
#query = StockSymbol.query(StockSymbol.exchange == 'AMEX')
#print 'AMEX Symbols Count:', query.count()
NYSE_FILE = os.path.join(STOCK_DIR, 'CompanylistNYSE.csv')
with open(NYSE_FILE, 'rb') as f:
reader = csv.reader(f)
for row in reader:
symbol = row[0]
name = row[1]
if(str.strip(symbol) != '' and str.strip(name) != ''):
stock = StockSymbol(symbol = symbol, companyName = name, exchange = 'NYSE')
self.symbollist.append(stock)
#query = StockSymbol.query(StockSymbol.exchange == 'NYSE')
#print 'NYSE Symbols Count:', query.count()
ndb.put_multi(self.symbollist)
query = StockSymbol.query()
print 'Symbols Count Added in NDB:', query.count(), 'Symbols Count in List:', len(self.symbollist)
def getSymbolCount(self, request):
query = StockSymbol.query()
return StockSymbolCountMessage(message=str(query.count()))
def getSymbols(self, request):
symbols = []
for sym in StockSymbol.query():
symbols.append(StockSymbolMessage(symbol=sym.symbol, companyName=sym.companyName, exchange=sym.exchange))
return StockSymbolList(items=symbols)