Fix bug/syntax in python examples (#8658)

* CustomDataRegressionAlgorithm * DescendingCustomDataObjectStoreRegressionAlgorithm * CustomDataPropertiesRegressionAlgorithm * DateTime -> should be datetime * KerasNeuralNetworkAlgorithm * OptionIndicatorsMirrorContractsRegressionAlgorithm * BybitCustomDataCryptoRegressionAlgorithm * DropboxBaseDataUniverseSelectionAlgorithm * UserDefinedUniverseAlgorithm * CompleteOrderTagUpdateAlgorithm * BasicTemplateOptionEquityStrategyAlgorithm hint * ETFConstituentUniverseFrameworkRegressionAlgorithm * FutureStopMarketOrderOnExtendedHoursRegressionAlgorithm * SecurityDynamicPropertyPythonClassAlgorithm * hint * hinting * CallbackCommandRegressionAlgorithm * CustomWarmUpPeriodIndicatorAlgorithm * CrunchDAOSignalExportDemonstrationAlgorithm * ExpiryHelperAlphaModelFrameworkAlgorithm * ClassicRenkoConsolidatorAlgorithm * SmaCrossUniverseSelectionAlgorithm * PEP8 Fix: Assigning to a Method * SliceGetByTypeRegressionAlgorithm * MarketOnCloseOrderBufferExtendedMarketHoursRegressionAlgorithm * MarketOnCloseOrderBufferRegressionAlgorithm * CustomIndicatorAlgorithm * ScheduledQueuingAlgorithm * ComboOrdersFillModelAlgorithm * CustomIndicatorWithExtensionAlgorithm * IndicatorWithRenkoBarsRegressionAlgorithm * CoarseFineOptionUniverseChainRegressionAlgorithm * NumeraiSignalExportDemonstrationAlgorithm * DropboxUniverseSelectionAlgorithm * WeeklyUniverseSelectionRegressionAlgorithm * AutoRegressiveIntegratedMovingAverageRegressionAlgorithm * DropboxBaseDataUniverseSelectionAlgorithm * IronCondorStrategyAlgorithm * LongAndShortButterflyPutStrategiesAlgorithm * FutureStopMarketOrderOnExtendedHoursRegressionAlgorithm * LongAndShortCallCalendarSpreadStrategiesAlgorithm * KerasNeuralNetworkAlgorithm * LongAndShortPutCalendarSpreadStrategiesAlgorithm * OptionPriceModelForOptionStylesBaseRegressionAlgorithm * TensorFlowNeuralNetworkAlgorithm * MarketOnCloseOrderBufferRegressionAlgorithm * MarketOnCloseOrderBufferExtendedMarketHoursRegressionAlgorithm * typing * ComboOrderTicketDemoAlgorithm * PytorchNeuralNetworkAlgorithm * MultipleSymbolConsolidationAlgorithm * fixes * revert getattr mypy syntax * address peer review * Addresses Peer-Review --------- Co-authored-by: Alexandre Catarino <AlexCatarino@users.noreply.github.com>
2025-04-14 20:43:03 +08:00
parent fe46e5ec3b
commit 020cf013df
55 changed files with 717 additions and 738 deletions
@@ -23,26 +23,23 @@ from AlgorithmImports import *
 ### <meta name="tag" content="custom universes" />
 class UserDefinedUniverseAlgorithm(QCAlgorithm):

-	def initialize(self):
+	def initialize(self) -> None:
 		self.set_cash(100000)
-		self.set_start_date(2015,1,1)
-		self.set_end_date(2015,12,1)
-		self.symbols = [ "SPY", "GOOG", "IBM", "AAPL", "MSFT", "CSCO", "ADBE", "WMT"]
+		self.set_start_date(2015, 1, 1)
+		self.set_end_date(2015, 12, 1)
+		self._symbols = ["SPY", "GOOG", "IBM", "AAPL", "MSFT", "CSCO", "ADBE", "WMT"]

 		self.universe_settings.resolution = Resolution.HOUR
 		self.add_universe('my_universe_name', Resolution.HOUR, self.selection)

-	def selection(self, time):
-		index = time.hour%len(self.symbols)
-		return [self.symbols[index]]
+	def selection(self, time: datetime) -> list[Union[str, Symbol]]:
+		index = time.hour % len(self._symbols)
+		return [self._symbols[index]]

-	def on_data(self, slice):
-		pass
-
-	def on_securities_changed(self, changes):
+	def on_securities_changed(self, changes: SecurityChanges) -> None:
 		for removed in changes.removed_securities:
 			if removed.invested:
 				self.liquidate(removed.symbol)

 		for added in changes.added_securities:
-			self.set_holdings(added.symbol, 1/float(len(changes.added_securities)))
+			self.set_holdings(added.symbol, 1/len(changes.added_securities))