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 +1,81 @@
+/*
+ * 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 System.IO;
+using QuantConnect.Util;
+using QuantConnect.Logging;
+using QuantConnect.Configuration;
+
+namespace QuantConnect.Lean.Engine
+{
+    /// <summary>
+    /// Helper class to initialize a Lean engine
+    /// </summary>
+    public static class Initializer
+    {
+        /// <summary>
+        /// Basic common Lean initialization
+        /// </summary>
+        public static void Start()
+        {
+            try
+            {
+                var mode = "RELEASE";
+                #if DEBUG
+                mode = "DEBUG";
+                #endif
+
+                Log.DebuggingEnabled = Config.GetBool("debug-mode");
+                var destinationDir = Globals.ResultsDestinationFolder;
+                if (!string.IsNullOrEmpty(destinationDir))
+                {
+                    Directory.CreateDirectory(destinationDir);
+                    Log.FilePath = Path.Combine(destinationDir, "log.txt");
+                }
+                Log.LogHandler = Composer.Instance.GetExportedValueByTypeName<ILogHandler>(Config.Get("log-handler", "CompositeLogHandler"));
+
+                Log.Trace($"Engine.Main(): LEAN ALGORITHMIC TRADING ENGINE v{Globals.Version} Mode: {mode} ({(Environment.Is64BitProcess ? "64" : "32")}bit) Host: {Environment.MachineName}");
+                Log.Trace("Engine.Main(): Started " + DateTime.Now.ToShortTimeString());
+            }
+            catch (Exception e)
+            {
+                Log.Error(e);
+                throw;
+            }
+        }
+
+        /// <summary>
+        /// Get and initializes System Handler
+        /// </summary>
+        public static LeanEngineSystemHandlers GetSystemHandlers()
+        {
+            var systemHandlers = LeanEngineSystemHandlers.FromConfiguration(Composer.Instance);
+
+            //Setup packeting, queue and controls system: These don't do much locally.
+            systemHandlers.Initialize();
+
+            return systemHandlers;
+        }
+
+        /// <summary>
+        /// Get and initializes Algorithm Handler
+        /// </summary>
+        public static LeanEngineAlgorithmHandlers GetAlgorithmHandlers(bool researchMode = false)
+        {
+            return LeanEngineAlgorithmHandlers.FromConfiguration(Composer.Instance, researchMode);
+        }
+    }
+}