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 +1,66 @@
+/*
+ * 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;
+
+namespace QuantConnect.Exceptions
+{
+    /// <summary>
+    /// Interprets <see cref="DllNotFoundPythonExceptionInterpreter"/> instances
+    /// </summary>
+    public class DllNotFoundPythonExceptionInterpreter : IExceptionInterpreter
+    {
+        /// <summary>
+        /// Determines the order that an instance of this class should be called
+        /// </summary>
+        public 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 bool CanInterpret(Exception exception)
+        {
+            return
+                exception?.GetType() == typeof(DllNotFoundException) &&
+                exception.Message.Contains("python");
+        }
+        /// <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 Exception Interpret(Exception exception, IExceptionInterpreter innerInterpreter)
+        {
+            var dnfe = (DllNotFoundException)exception;
+
+            var startIndex = dnfe.Message.IndexOfInvariant("python");
+            var length = Math.Min(dnfe.Message.Length - startIndex, 10);
+            var dllName = dnfe.Message.Substring(startIndex, length);
+
+            length = dllName.IndexOfInvariant('\'');
+            if (length > 0)
+            {
+                dllName = dllName.Substring(0, length);
+            }
+
+            var platform = Environment.OSVersion.Platform.ToString();
+            var message = Messages.DllNotFoundPythonExceptionInterpreter.DynamicLinkLibraryNotFound(dllName, platform);
+            return new DllNotFoundException(message, dnfe);
+        }
+    }
+}