chore: import upstream snapshot with attribution

2026-07-13 13:02:50 +08:00
commit 0fc60fdcb1
5008 changed files with 910633 additions and 0 deletions
@@ -0,0 +1,78 @@
+/*
+ * QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.
+ * Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
+using System;
+using Python.Runtime;
+using QuantConnect.Util;
+using System.Collections.Generic;
+
+namespace QuantConnect.Exceptions
+{
+    /// <summary>
+    /// Interprets <see cref="KeyErrorPythonExceptionInterpreter"/> instances
+    /// </summary>
+    public class KeyErrorPythonExceptionInterpreter : PythonExceptionInterpreter
+    {
+        /// <summary>
+        /// Determines the order that an instance of this class should be called
+        /// </summary>
+        public override int Order => 0;
+
+        /// <summary>
+        /// Determines if this interpreter should be applied to the specified exception.
+        /// </summary>
+        /// <param name="exception">The exception to check</param>
+        /// <returns>True if the exception can be interpreted, false otherwise</returns>
+        public override bool CanInterpret(Exception exception)
+        {
+            var pythonException = exception as PythonException;
+            if (pythonException == null)
+            {
+                return false;
+            }
+
+            using (Py.GIL())
+            {
+                return base.CanInterpret(exception) &&
+                    pythonException.Type.Name.Contains("KeyError", StringComparison.InvariantCultureIgnoreCase);
+            }
+        }
+        /// <summary>
+        /// Interprets the specified exception into a new exception
+        /// </summary>
+        /// <param name="exception">The exception to be interpreted</param>
+        /// <param name="innerInterpreter">An interpreter that should be applied to the inner exception.</param>
+        /// <returns>The interpreted exception</returns>
+        public override Exception Interpret(Exception exception, IExceptionInterpreter innerInterpreter)
+        {
+            var pe = (PythonException)exception;
+
+            var key = string.Empty;
+            if (pe.Message.Contains('[', StringComparison.InvariantCulture))
+            {
+                key = pe.Message.GetStringBetweenChars('[', ']');
+            }
+            else if (pe.Message.Contains('\'', StringComparison.InvariantCulture))
+            {
+                key = pe.Message.GetStringBetweenChars('\'', '\'');
+            }
+            var message = Messages.KeyErrorPythonExceptionInterpreter.KeyNotFoundInCollection(key);
+
+            message += PythonUtil.PythonExceptionStackParser(pe.StackTrace);
+
+            return new KeyNotFoundException(message, pe);
+        }
+    }
+}