Add extra debugging for market data sources

Author: MDUYN

investing_algorithm_framework/services/market_data_source_service/backtest_market_data_source_service.py

@@ -190,9 +190,11 @@ def get_ticker(self, symbol, market=None):
             return ticker_data
 
         if ticker_market_data_source is None:
+            identifiers = self.get_market_data_source_identifiers()
             raise OperationalException(
-                f"Backtest ticker data source "
-                f"not found for {symbol} and market {market}"
+                "Backtest ticker data source "
+                f"not found for {symbol} and market {market}, the available "
+                f"data sources are: {identifiers}"
             )
 
         config = self._configuration_service.get_config()

investing_algorithm_framework/services/market_data_source_service/market_data_source_service.py

@@ -362,3 +362,16 @@ def get_market_data_sources(self):
 
     def has_ticker_market_data_source(self, symbol, market=None):
         return self.get_ticker_market_data_source(symbol, market) is not None
+
+    def get_market_data_source_identifiers(self):
+        """
+        Function to get all list of all market data source identifiers.
+
+        Returns:
+            List[str]: A list of identifiers for all market data sources.
+        """
+
+        return [
+            market_data_source.get_identifier() for market_data_source
+            in self._market_data_sources
+        ]