Working on adjusted the DataPortal class (unstable)

2026-07-29 11:18:20 +08:00 · 2017-09-18 14:51:01 -04:00
parent 1d6336afda
commit 555b7e95b5
4 changed files with 66 additions and 7 deletions
@@ -96,11 +96,15 @@ class ExchangeTradingAlgorithmBase(TradingAlgorithm):
            if self._symbol_lookup_date is not None \
            else self.sim_params.end_session

-        exchange = self.exchanges[exchange_name]
+        if exchange_name is None:
+            exchange = self.exchanges.values()[0]
+        else:
+            exchange = self.exchanges[exchange_name]
+
        return self.asset_finder.lookup_symbol(
-            symbol_str,
-            as_of_date=_lookup_date,
-            exchange=exchange
+            symbol=symbol_str,
+            exchange=exchange,
+            as_of_date=_lookup_date
        )