wehub-resource-sync
234 lines
11 KiB
C#
234 lines
11 KiB
C#
/*
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* QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.
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* Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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using NodaTime;
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using QuantConnect.Util;
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using QuantConnect.Data;
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using QuantConnect.Logging;
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using QuantConnect.Interfaces;
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using QuantConnect.Securities;
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using QuantConnect.Configuration;
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using QuantConnect.Data.UniverseSelection;
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using DataFeeds = QuantConnect.Lean.Engine.DataFeeds;
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using QuantConnect.Lean.Engine.DataFeeds.DataDownloader;
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using QuantConnect.DownloaderDataProvider.Launcher.Models;
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using QuantConnect.DownloaderDataProvider.Launcher.Models.Constants;
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namespace QuantConnect.DownloaderDataProvider.Launcher;
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public static class Program
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{
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/// <summary>
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/// Synchronizer in charge of guaranteeing a single operation per file path
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/// </summary>
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private readonly static KeyStringSynchronizer DiskSynchronizer = new();
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/// <summary>
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/// The provider used to cache history data files
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/// </summary>
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private static readonly IDataCacheProvider _dataCacheProvider = new DiskDataCacheProvider(DiskSynchronizer);
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/// <summary>
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/// Represents the time interval of 5 seconds.
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/// </summary>
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private static TimeSpan _logDisplayInterval = TimeSpan.FromSeconds(5);
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/// <summary>
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/// Provides access to exchange hours and raw data times zones in various markets
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/// </summary>
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private static readonly MarketHoursDatabase _marketHoursDatabase = MarketHoursDatabase.FromDataFolder();
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/// <summary>
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/// The main entry point for the application.
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/// </summary>
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/// <param name="args">Command-line arguments passed to the application.</param>
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public static void Main(string[] args)
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{
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// Parse report arguments and merge with config to use in the optimizer
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if (args.Length > 0)
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{
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Config.MergeCommandLineArgumentsWithConfiguration(DownloaderDataProviderArgumentParser.ParseArguments(args));
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}
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var dataDownloaderSelector = InitializeConfigurations();
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var commandDataType = Config.Get(DownloaderCommandArguments.CommandDataType).ToUpperInvariant();
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var dataDownloadConfig = default(BaseDataDownloadConfig);
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switch (commandDataType)
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{
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case "UNIVERSE":
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dataDownloadConfig = new DataUniverseDownloadConfig();
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RunUniverseDownloader(dataDownloaderSelector.GetDataDownloader(dataDownloadConfig.DataType), dataDownloadConfig);
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break;
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case "TRADE":
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case "QUOTE":
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case "OPENINTEREST":
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dataDownloadConfig = new DataDownloadConfig();
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RunDownload(dataDownloaderSelector.GetDataDownloader(dataDownloadConfig.DataType), dataDownloadConfig, Globals.DataFolder, _dataCacheProvider);
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break;
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default:
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Log.Error($"QuantConnect.DownloaderDataProvider.Launcher: Unsupported command data type '{commandDataType}'. Valid options: UNIVERSE, TRADE, QUOTE, OPENINTEREST.");
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break;
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}
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dataDownloaderSelector.Dispose();
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}
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/// <summary>
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/// Executes a data download operation using the specified data downloader.
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/// </summary>
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/// <param name="dataDownloader">An instance of an object implementing the <see cref="IDataDownloader"/> interface, responsible for downloading data.</param>
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/// <param name="dataDownloadConfig">Configuration settings for the data download operation.</param>
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/// <param name="dataDirectory">The directory where the downloaded data will be stored.</param>
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/// <param name="dataCacheProvider">The provider used to cache history data files</param>
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/// <param name="mapSymbol">True if the symbol should be mapped while writing the data</param>
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/// <exception cref="ArgumentNullException">Thrown when <paramref name="dataDownloader"/> is null.</exception>
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public static void RunDownload(IDataDownloader dataDownloader, BaseDataDownloadConfig dataDownloadConfig, string dataDirectory, IDataCacheProvider dataCacheProvider, bool mapSymbol = true)
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{
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if (dataDownloader == null)
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{
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throw new ArgumentNullException(nameof(dataDownloader), "The data downloader instance cannot be null. Please ensure that a valid instance of data downloader is provided.");
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}
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var totalDownloadSymbols = dataDownloadConfig.Symbols.Count;
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var completeSymbolCount = 0;
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var startDownloadUtcTime = DateTime.UtcNow;
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foreach (var symbol in dataDownloadConfig.Symbols)
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{
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var downloadParameters = new DataDownloaderGetParameters(symbol, dataDownloadConfig.Resolution, dataDownloadConfig.StartDate, dataDownloadConfig.EndDate, dataDownloadConfig.TickType);
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Log.Trace($"DownloaderDataProvider.Main(): Starting download {downloadParameters}");
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var downloadedData = dataDownloader.Get(downloadParameters);
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if (downloadedData == null)
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{
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completeSymbolCount++;
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Log.Trace($"DownloaderDataProvider.RunDownload(): No data returned for {downloadParameters.Symbol}. The brokerage does not support this request (unsupported resolution, tick type, or asset type).");
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continue;
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}
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var (dataTimeZone, exchangeTimeZone) = GetDataAndExchangeTimeZoneBySymbol(symbol);
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var writer = new LeanDataWriter(dataDownloadConfig.Resolution, symbol, dataDirectory, dataDownloadConfig.TickType, dataCacheProvider, mapSymbol: mapSymbol);
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var groupedData = DataFeeds.DownloaderDataProvider.FilterAndGroupDownloadDataBySymbol(
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downloadedData,
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symbol,
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dataDownloadConfig.DataType,
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exchangeTimeZone,
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dataTimeZone,
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downloadParameters.StartUtc,
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downloadParameters.EndUtc);
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var lastLogStatusTime = DateTime.UtcNow;
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var dataWasWritten = false;
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foreach (var data in groupedData)
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{
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dataWasWritten = true;
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writer.Write(data.Select(data =>
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{
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var utcNow = DateTime.UtcNow;
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if (utcNow - lastLogStatusTime >= _logDisplayInterval)
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{
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lastLogStatusTime = utcNow;
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Log.Trace($"Downloading data for {downloadParameters.Symbol}. Please hold on...");
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}
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return data;
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}));
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}
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completeSymbolCount++;
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var symbolPercentComplete = (double)completeSymbolCount / totalDownloadSymbols * 100;
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Log.Trace($"DownloaderDataProvider.RunDownload(): {symbolPercentComplete:F2}% complete ({completeSymbolCount} out of {totalDownloadSymbols} symbols)");
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if (!dataWasWritten)
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{
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Log.Trace($"DownloaderDataProvider.RunDownload(): No data found for {downloadParameters.Symbol} between " +
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$"{dataDownloadConfig.StartDate:yyyy-MM-dd} and {dataDownloadConfig.EndDate:yyyy-MM-dd}.");
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}
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else
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{
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Log.Trace($"DownloaderDataProvider.RunDownload(): Download completed for {downloadParameters.Symbol} at {downloadParameters.Resolution} resolution, " +
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$"covering the period from {dataDownloadConfig.StartDate} to {dataDownloadConfig.EndDate}.");
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}
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}
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Log.Trace($"All downloads completed in {(DateTime.UtcNow - startDownloadUtcTime).TotalSeconds:F2} seconds.");
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}
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/// <summary>
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/// Initiates the universe downloader using the provided configuration.
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/// </summary>
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/// <param name="dataDownloader">The data downloader instance.</param>
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/// <param name="dataUniverseDownloadConfig">The universe download configuration.</param>
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private static void RunUniverseDownloader(IDataDownloader dataDownloader, BaseDataDownloadConfig dataUniverseDownloadConfig)
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{
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foreach (var symbol in dataUniverseDownloadConfig.Symbols)
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{
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var universeDownloadParameters = new DataUniverseDownloaderGetParameters(symbol, dataUniverseDownloadConfig.StartDate, dataUniverseDownloadConfig.EndDate);
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UniverseExtensions.RunUniverseDownloader(dataDownloader, universeDownloadParameters);
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}
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}
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/// <summary>
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/// Retrieves the data time zone and exchange time zone associated with the specified symbol.
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/// </summary>
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/// <param name="symbol">The symbol for which to retrieve time zones.</param>
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/// <returns>
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/// A tuple containing the data time zone and exchange time zone.
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/// The data time zone represents the time zone for data related to the symbol.
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/// The exchange time zone represents the time zone for trading activities related to the symbol.
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/// </returns>
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private static (DateTimeZone dataTimeZone, DateTimeZone exchangeTimeZone) GetDataAndExchangeTimeZoneBySymbol(Symbol symbol)
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{
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var entry = _marketHoursDatabase.GetEntry(symbol.ID.Market, symbol, symbol.SecurityType);
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return (entry.DataTimeZone, entry.ExchangeHours.TimeZone);
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}
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/// <summary>
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/// Initializes various configurations for the application.
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/// This method sets up logging, data providers, map file providers, and factor file providers.
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/// </summary>
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/// <remarks>
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/// The method reads configuration values to determine whether debugging is enabled,
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/// which log handler to use, and which data, map file, and factor file providers to initialize.
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/// </remarks>
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/// <seealso cref="Log"/>
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/// <seealso cref="Config"/>
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/// <seealso cref="Composer"/>
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/// <seealso cref="ILogHandler"/>
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/// <seealso cref="IDataProvider"/>
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/// <seealso cref="IMapFileProvider"/>
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/// <seealso cref="IFactorFileProvider"/>
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public static DataDownloaderSelector InitializeConfigurations()
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{
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Log.DebuggingEnabled = Config.GetBool("debug-mode", false);
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Log.LogHandler = Composer.Instance.GetExportedValueByTypeName<ILogHandler>(Config.Get("log-handler", "ConsoleLogHandler"));
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var dataProvider = Composer.Instance.GetExportedValueByTypeName<IDataProvider>("DefaultDataProvider");
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var mapFileProvider = Composer.Instance.GetExportedValueByTypeName<IMapFileProvider>(Config.Get("map-file-provider", "LocalDiskMapFileProvider"));
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var factorFileProvider = Composer.Instance.GetExportedValueByTypeName<IFactorFileProvider>(Config.Get("factor-file-provider", "LocalDiskFactorFileProvider"));
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mapFileProvider.Initialize(dataProvider);
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factorFileProvider.Initialize(mapFileProvider, dataProvider);
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var dataDownloader = Composer.Instance.GetExportedValueByTypeName<IDataDownloader>(Config.Get(DownloaderCommandArguments.CommandDownloaderDataDownloader));
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return new DataDownloaderSelector(dataDownloader, mapFileProvider, dataProvider, factorFileProvider);
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}
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}
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