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 +1,74 @@
+/*
+ * 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 QuantConnect.Util;
+
+namespace QuantConnect.Data.Custom.Intrinio
+{
+    /// <summary>
+    ///     Auxiliary class to access all Intrinio API data.
+    /// </summary>
+    public static class IntrinioConfig
+    {
+        /// <summary>
+        /// </summary>
+        public static RateGate RateGate =
+            new RateGate(1, TimeSpan.FromMilliseconds(5000));
+
+        /// <summary>
+        ///     Check if Intrinio API user and password are not empty or null.
+        /// </summary>
+        public static bool IsInitialized => !string.IsNullOrWhiteSpace(User) && !string.IsNullOrWhiteSpace(Password);
+
+        /// <summary>
+        ///     Intrinio API password
+        /// </summary>
+        public static string Password = string.Empty;
+
+        /// <summary>
+        ///     Intrinio API user
+        /// </summary>
+        public static string User = string.Empty;
+
+        /// <summary>
+        /// Sets the time interval between calls.
+        /// For more information, please refer to: https://intrinio.com/documentation/api#limits
+        /// </summary>
+        /// <param name="timeSpan">Time interval between to consecutive calls.</param>
+        /// <remarks>
+        /// Paid subscription has limits of 1 call per second.
+        /// Free subscription has limits of 1 call per minute.
+        /// </remarks>
+        public static void SetTimeIntervalBetweenCalls(TimeSpan timeSpan)
+        {
+            RateGate = new RateGate(1, timeSpan);
+        }
+
+        /// <summary>
+        ///     Set the Intrinio API user and password.
+        /// </summary>
+        public static void SetUserAndPassword(string user, string password)
+        {
+            User = user;
+            Password = password;
+
+            if (!IsInitialized)
+            {
+                throw new InvalidOperationException("Please set a valid Intrinio user and password.");
+            }
+        }
+    }
+}