class PytradeApi(object):
LOGGER_NAME = "pytradeapi"
def __init__(self,
dbfilepah="/var/pytrade/sqlitedb",
googleFinanceDir="/var/pytrade/googlefinance",
username=None,
tradingAlgorithmGenerator=None,
codes=None,
date=dt.as_utc(datetime.now()),
maxlen=90,
debugmode=False):
if codes is None:
self.__codes = [
"ABEV3", "BBAS3", "BBDC3", "BBDC4", "BBSE3", "BRAP4", "BRFS3",
"BRKM5", "BRML3", "BVMF3", "CCRO3", "CIEL3", "CMIG4", "CPFE3",
"CPLE6", "CSAN3", "CSNA3", "CTIP3", "CYRE3", "ECOR3", "EGIE3",
"EMBR3", "ENBR3", "EQTL3", "ESTC3", "FIBR3", "GGBR4", "GOAU4",
"HYPE3", "ITSA4", "ITUB4", "JBSS3", "KLBN11", "KROT3", "LAME4",
"LREN3", "MRFG3", "MRVE3", "MULT3", "NATU3", "PCAR4", "PETR3",
"PETR4", "QUAL3", "RADL3", "RENT3", "RUMO3", "SANB11", "SBSP3",
"SMLE3", "SUZB5", "TIMP3", "UGPA3", "USIM5", "VALE3", "VALE5",
"VIVT4", "WEGE3"
]
else:
self.__codes = codes
self.__logger = logger.getLogger(PytradeApi.LOGGER_NAME)
self.__dbFilePath = dbfilepah
self.__googleFinanceDir = googleFinanceDir
self.__debugMode = debugmode
self.__tradingAlgorithmGenerator = tradingAlgorithmGenerator
self.__currentDate = date
self.__maxLen = maxlen
self.initializeDataProvider()
self.initializeFeed()
self.__username = username
if username is not None:
self.initializeBroker(username)
self.initializeStrategy(
) # tradingAlgorithmGenerator must not be None
def initializeDataProvider(self):
self.__dataProvider = SQLiteDataProvider(self.__dbFilePath)
if not self.__dataProvider.schemaExists():
self.__dataProvider.createSchema()
def initializeFeed(self):
assert self.__dbFilePath is not None
assert self.__currentDate is not None
assert self.__maxLen is not None
fromDate = self.__currentDate - timedelta(days=self.__maxLen)
toDate = self.__currentDate + timedelta(days=5)
self.__feed = DynamicFeed(self.__dbFilePath,
self.__codes,
fromDateTime=fromDate,
toDateTime=toDate,
maxLen=self.__maxLen)
self.__feed.positionFeed(dt.as_utc(self.__currentDate))
def initializeBroker(self, username):
assert self.__feed is not None
assert self.__dataProvider is not None
assert username is not None
self.__broker = PytradeBroker(
feed=self.__feed,
cash=self.__dataProvider.loadCash(username),
orders=self.__dataProvider.loadOrders(username),
shares=self.__dataProvider.loadShares(username))
def initializeStrategy(self):
assert self.__feed is not None
assert self.__broker is not None
assert self.__debugMode is not None
assert self.__tradingAlgorithmGenerator is not None
self.__tradingStrategy = TradingSystem(self.__feed,
self.__broker,
debugMode=self.__debugMode)
self.__tradingStrategy.setAlgorithm(
self.__tradingAlgorithmGenerator(self.__feed, self.__broker))
def userExists(self, username):
return self.__dataProvider.userExists(username)
def initializeUser(self, cash, username):
return self.__dataProvider.initializeUser(username, cash)
def reinitializeUser(self, cash, username):
return self.__dataProvider.reinitializeUser(username, cash)
def getCash(self):
return self.__broker.getAvailableCash()
def getActiveMarketOrders(self):
return self.__broker.getActiveMarketOrders()
def getStopOrdersToConfirm(self):
return self.__broker.getStopOrdersToConfirm()
def getStopOrders(self):
return self.__broker.getActiveStopOrders()
def getAllActiveOrders(self):
return self.__broker.getActiveOrders()
def getAllShares(self):
return self.__broker.getAllShares()
def getShares(self, instrument):
return self.__broker.getShares(instrument)
def getEquity(self):
return self.__broker.getEquity()
def persistData(self):
self.__dataProvider.persistCash(username=self.__username,
cash=self.__broker.getAvailableCash())
self.__dataProvider.persistShares(username=self.__username,
shares=self.__broker.getAllShares())
self.__dataProvider.persistOrders(
username=self.__username,
orders=self.__broker.getAllActiveOrders())
def confirmOrder(self, order, datetime, quantity, price, commission):
self.__broker.acceptOrder(datetime, order)
cost, sharesDelta, resultingCash = self.__broker.calculateCostSharesDeltaAndResultingCash(
order, price, quantity, commission)
if resultingCash >= 0:
self.__broker.handleOrderExecution(order, datetime, price,
quantity, commission,
resultingCash, sharesDelta)
return True
else:
self.__logger.debug(
"Not enough cash to fill %s order [%s] for %s share/s" %
(order.getInstrument(), order.getId(), order.getRemaining()))
return False
def cancelOrder(self, order):
return self.__broker.cancelOrder(order)
def executeAnalysis(self):
self.__feed.dispatchWithoutIncrementingDate()
def generateFeedEvent(self):
self.__feed.nextEvent()
def getCurrentBarForInstrument(self, instrument):
return self.__broker.getCurrentBarForInstrument(instrument)
def updateStockData(self, fromDate=None, toDate=None):
if fromDate is None:
lastDate = self.getLastStockDate()
fromDate = dt.unlocalize(
lastDate if lastDate is not None else self.__currentDate -
timedelta(days=365 * 2))
if toDate is None:
toDate = dt.unlocalize(self.__currentDate)
rowFilter = lambda row: row["Close"] == "-" or row["Open"] == "-" or row["High"] == "-" or row["Low"] == "-" or \
row["Volume"] == "-" or googlefeed.parse_date(row["Date"]) < fromDate or googlefeed.parse_date(row["Date"]) > toDate
[
os.remove(self.__googleFinanceDir + '/' + f)
for f in glob.glob1(self.__googleFinanceDir, '*' +
str(toDate.year) + '*')
]
googleFeed = googlefinance.build_feed(self.__codes,
fromDate.year,
toDate.year,
storage=self.__googleFinanceDir,
skipErrors=False,
rowFilter=rowFilter)
self.__feed.getDatabase().addBarsFromFeed(googleFeed)
def getLastStockDate(self):
return self.__feed.getDatabase().getLastBarTimestamp()
def getLastValuesForInstrument(self, instrument, date=datetime.now()):
return self.__dataProvider.getLastValuesForInstrument(instrument, date)
def getOrderById(self, orderId):
return self.__broker.getOrderById(orderId)
