mirror of
https://github.com/Radarr/Radarr
synced 2024-12-27 10:19:41 +00:00
500 lines
No EOL
19 KiB
C#
500 lines
No EOL
19 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text.RegularExpressions;
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using NLog;
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using NzbDrone.Common;
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using NzbDrone.Core.Parser.Model;
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using NzbDrone.Core.Qualities;
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using NzbDrone.Core.Tv;
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namespace NzbDrone.Core.Parser
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{
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public static class Parser
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{
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private static readonly Logger Logger = LogManager.GetCurrentClassLogger();
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private static readonly Regex[] ReportTitleRegex = new[]
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{
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//Episodes with airdate
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new Regex(@"^(?<title>.+?)?\W*(?<airyear>\d{4})\W+(?<airmonth>[0-1][0-9])\W+(?<airday>[0-3][0-9])(\W+|_|$)(?!\\)",
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RegexOptions.IgnoreCase | RegexOptions.Compiled),
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//Multi-Part episodes without a title (S01E05.S01E06)
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new Regex(@"^(?:\W*S?(?<season>(?<!\d+)\d{1,2}(?!\d+))(?:(?:[ex]){1,2}(?<episode>\d{1,3}(?!\d+)))+){2,}(\W+|_|$)(?!\\)",
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RegexOptions.IgnoreCase | RegexOptions.Compiled),
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//Multi-episode Repeated (S01E05 - S01E06, 1x05 - 1x06, etc)
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new Regex(@"^(?<title>.+?)(?:(\W|_)+S?(?<season>(?<!\d+)\d{1,2}(?!\d+))(?:(?:[ex]){1,2}(?<episode>\d{1,3}(?!\d+)))+){2,}(\W+|_|$)(?!\\)",
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RegexOptions.IgnoreCase | RegexOptions.Compiled),
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//Episodes without a title, Single (S01E05, 1x05) AND Multi (S01E04E05, 1x04x05, etc)
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new Regex(@"^(?:S?(?<season>(?<!\d+)\d{1,2}(?!\d+))(?:(?:\-|[ex]|\W[ex]|_){1,2}(?<episode>\d{2,3}(?!\d+)))+)(\W+|_|$)(?!\\)",
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RegexOptions.IgnoreCase | RegexOptions.Compiled),
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//Episodes with a title, Single episodes (S01E05, 1x05, etc) & Multi-episode (S01E05E06, S01E05-06, S01E05 E06, etc)
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new Regex(@"^(?<title>.+?)(?:(\W|_)+S?(?<season>(?<!\d+)\d{1,2}(?!\d+))(?:(?:\-|[ex]|\W[ex]|_){1,2}(?<episode>\d{2,3}(?!\d+)))+)\W?(?!\\)",
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RegexOptions.IgnoreCase | RegexOptions.Compiled),
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//Episodes with a title, Single episodes (S01E05, 1x05, etc) & Multi-episode (S01E05E06, S01E05-06, S01E05 E06, etc)
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new Regex(@"^(?<title>.+?)(?:\W+S?(?<season>(?<!\d+)(?:\d{1,2}|\d{4})(?!\d+))(?:(?:\-|[ex]|\W[ex]){1,2}(?<episode>\d{2,3}(?!\d+)))+)(\W+|_|$)(?!\\)",
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RegexOptions.IgnoreCase | RegexOptions.Compiled),
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//Episodes with single digit episode number (S01E1, S01E5E6, etc)
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new Regex(@"^(?<title>.*?)(?:\W?S?(?<season>(?<!\d+)\d{1,2}(?!\d+))(?:(?:\-|[ex]){1,2}(?<episode>\d{1}))+)+(\W+|_|$)(?!\\)",
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RegexOptions.IgnoreCase | RegexOptions.Compiled),
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//Supports 103/113 naming
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new Regex(@"^(?<title>.+?)?(?:\W?(?<season>(?<!\d+)\d{1})(?<episode>\d{2}(?!p|i|\d+)))+(\W+|_|$)(?!\\)",
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RegexOptions.IgnoreCase | RegexOptions.Compiled),
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//Mini-Series, treated as season 1, episodes are labelled as Part01, Part 01, Part.1
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new Regex(@"^(?<title>.+?)(?:\W+(?:(?:Part\W?|(?<!\d+\W+)e)(?<episode>\d{1,2}(?!\d+)))+)(\W+|_|$)(?!\\)",
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RegexOptions.IgnoreCase | RegexOptions.Compiled),
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//Supports 1103/1113 naming
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new Regex(@"^(?<title>.+?)?(?:\W?(?<season>(?<!\d+|\(|\[)\d{2})(?<episode>\d{2}(?!p|i|\d+|\)|\]|\W\d+)))+(\W+|_|$)(?!\\)",
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RegexOptions.IgnoreCase | RegexOptions.Compiled),
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//Supports Season 01 Episode 03
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new Regex(@"(?:.*(?:\""|^))(?<title>.*?)(?:\W?Season\W?)(?<season>(?<!\d+)\d{1,2}(?!\d+))(?:\W|_)(?:Episode\W)(?<episode>(?<!\d+)\d{1,2}(?!\d+))",
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RegexOptions.IgnoreCase | RegexOptions.Compiled),
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//Supports Season only releases
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new Regex(@"^(?<title>.+?)\W(?:S|Season)\W?(?<season>\d{1,2}(?!\d+))(\W+|_|$)(?<extras>EXTRAS|SUBPACK)?(?!\\)",
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RegexOptions.IgnoreCase | RegexOptions.Compiled)
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};
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private static readonly Regex NormalizeRegex = new Regex(@"((^|\W)(a|an|the|and|or|of)($|\W|_))|\W|_|(?:(?<=[^0-9]+)|\b)(?!(?:19\d{2}|20\d{2}))\d+(?=[^0-9ip]+|\b)",
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RegexOptions.IgnoreCase | RegexOptions.Compiled);
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private static readonly Regex SimpleTitleRegex = new Regex(@"480[i|p]|720[i|p]|1080[i|p]|[x|h|x\s|h\s]264|DD\W?5\W1|\<|\>|\?|\*|\:|\|",
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RegexOptions.IgnoreCase | RegexOptions.Compiled);
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private static readonly Regex MultiPartCleanupRegex = new Regex(@"\(\d+\)$", RegexOptions.Compiled);
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private static readonly Regex LanguageRegex = new Regex(@"(?:\W|_)(?<italian>ita|italian)|(?<german>german\b)|(?<flemish>flemish)|(?<greek>greek)(?:\W|_)", RegexOptions.IgnoreCase | RegexOptions.Compiled);
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public static ParsedEpisodeInfo ParsePath(string path)
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{
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var fileInfo = new FileInfo(path);
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var result = ParseTitle(fileInfo.Name);
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if (result == null)
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{
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Logger.Trace("Attempting to parse episode info using full path. {0}", fileInfo.FullName);
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result = ParseTitle(fileInfo.FullName);
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}
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if (result == null)
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{
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Logger.Warn("Unable to parse episode info from path {0}", path);
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}
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return result;
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}
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public static ParsedEpisodeInfo ParseTitle(string title)
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{
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try
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{
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if (!ValidateBeforeParsing(title)) return null;
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Logger.Trace("Parsing string '{0}'", title);
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var simpleTitle = SimpleTitleRegex.Replace(title, String.Empty);
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foreach (var regex in ReportTitleRegex)
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{
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var match = regex.Matches(simpleTitle);
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if (match.Count != 0)
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{
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var result = ParseMatchCollection(match);
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if (result != null)
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{
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//Check if episode is in the future (most likely a parse error)
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if (result.AirDate > DateTime.Now.AddDays(1).Date || result.AirDate < new DateTime(1970, 1, 1))
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break;
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result.Language = ParseLanguage(title);
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result.Quality = ParseQuality(title);
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return result;
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}
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}
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}
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}
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catch (Exception e)
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{
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if (!title.ToLower().Contains("password") && !title.ToLower().Contains("yenc"))
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Logger.ErrorException("An error has occurred while trying to parse " + title, e);
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}
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Logger.Trace("Unable to parse {0}", title);
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return null;
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}
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private static ParsedEpisodeInfo ParseMatchCollection(MatchCollection matchCollection)
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{
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var seriesName = matchCollection[0].Groups["title"].Value.Replace('.', ' ');
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int airYear;
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Int32.TryParse(matchCollection[0].Groups["airyear"].Value, out airYear);
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ParsedEpisodeInfo result;
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if (airYear < 1900)
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{
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var seasons = new List<int>();
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foreach (Capture seasonCapture in matchCollection[0].Groups["season"].Captures)
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{
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int parsedSeason;
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if (Int32.TryParse(seasonCapture.Value, out parsedSeason))
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seasons.Add(parsedSeason);
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}
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//If no season was found it should be treated as a mini series and season 1
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if (seasons.Count == 0)
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seasons.Add(1);
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//If more than 1 season was parsed go to the next REGEX (A multi-season release is unlikely)
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if (seasons.Distinct().Count() > 1)
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return null;
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result = new ParsedEpisodeInfo
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{
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SeasonNumber = seasons.First(),
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EpisodeNumbers = new int[0],
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};
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foreach (Match matchGroup in matchCollection)
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{
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var episodeCaptures = matchGroup.Groups["episode"].Captures.Cast<Capture>().ToList();
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//Allows use to return a list of 0 episodes (We can handle that as a full season release)
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if (episodeCaptures.Any())
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{
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var first = Convert.ToInt32(episodeCaptures.First().Value);
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var last = Convert.ToInt32(episodeCaptures.Last().Value);
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if (first > last)
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{
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return null;
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}
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var count = last - first + 1;
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result.EpisodeNumbers = Enumerable.Range(first, count).ToArray();
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}
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else
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{
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//Check to see if this is an "Extras" or "SUBPACK" release, if it is, return NULL
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//Todo: Set a "Extras" flag in EpisodeParseResult if we want to download them ever
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if (!String.IsNullOrWhiteSpace(matchCollection[0].Groups["extras"].Value))
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return null;
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result.FullSeason = true;
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}
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}
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}
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else
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{
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//Try to Parse as a daily show
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var airmonth = Convert.ToInt32(matchCollection[0].Groups["airmonth"].Value);
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var airday = Convert.ToInt32(matchCollection[0].Groups["airday"].Value);
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//Swap day and month if month is bigger than 12 (scene fail)
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if (airmonth > 12)
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{
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var tempDay = airday;
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airday = airmonth;
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airmonth = tempDay;
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}
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result = new ParsedEpisodeInfo
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{
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AirDate = new DateTime(airYear, airmonth, airday).Date,
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};
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}
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result.SeriesTitle = CleanSeriesTitle(seriesName);
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Logger.Trace("Episode Parsed. {0}", result);
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return result;
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}
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public static string ParseSeriesName(string title)
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{
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Logger.Trace("Parsing string '{0}'", title);
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var parseResult = ParseTitle(title);
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if (parseResult == null)
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{
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return CleanSeriesTitle(title);
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}
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return parseResult.SeriesTitle;
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}
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private static QualityModel ParseQuality(string name)
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{
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Logger.Trace("Trying to parse quality for {0}", name);
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name = name.Trim();
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var normalizedName = CleanSeriesTitle(name);
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var result = new QualityModel { Quality = Quality.Unknown };
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result.Proper = (normalizedName.Contains("proper") || normalizedName.Contains("repack"));
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if ((normalizedName.Contains("dvd") && !normalizedName.Contains("avcdvd")) || normalizedName.Contains("bdrip") || normalizedName.Contains("brrip"))
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{
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result.Quality = Quality.DVD;
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return result;
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}
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if (normalizedName.Contains("xvid") || normalizedName.Contains("divx") || normalizedName.Contains("dsr"))
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{
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if (normalizedName.Contains("bluray"))
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{
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result.Quality = Quality.DVD;
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return result;
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}
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result.Quality = Quality.SDTV;
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return result;
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}
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if (normalizedName.Contains("bluray"))
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{
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if (normalizedName.Contains("720p"))
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{
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result.Quality = Quality.Bluray720p;
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return result;
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}
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if (normalizedName.Contains("1080p"))
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{
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result.Quality = Quality.Bluray1080p;
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return result;
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}
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result.Quality = Quality.Bluray720p;
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return result;
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}
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if (normalizedName.Contains("webdl") || normalizedName.Contains("webrip"))
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{
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if (normalizedName.Contains("1080p"))
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{
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result.Quality = Quality.WEBDL1080p;
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return result;
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}
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if (normalizedName.Contains("720p"))
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{
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result.Quality = Quality.WEBDL720p;
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return result;
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}
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if (name.Contains("[WEBDL]"))
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{
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result.Quality = Quality.WEBDL720p;
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return result;
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}
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result.Quality = Quality.WEBDL480p;
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return result;
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}
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if (normalizedName.Contains("trollhd") || normalizedName.Contains("rawhd"))
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{
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result.Quality = Quality.RAWHD;
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return result;
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}
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if (normalizedName.Contains("x264") || normalizedName.Contains("h264") || normalizedName.Contains("720p"))
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{
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if (normalizedName.Contains("1080p"))
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{
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result.Quality = Quality.HDTV1080p;
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return result;
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}
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result.Quality = Quality.HDTV720p;
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return result;
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}
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//Based on extension
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if (result.Quality == Quality.Unknown && !name.ContainsInvalidPathChars())
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{
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try
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{
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switch (Path.GetExtension(name).ToLower())
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{
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case ".avi":
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case ".xvid":
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case ".divx":
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case ".wmv":
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case ".mp4":
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case ".mpg":
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case ".mpeg":
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case ".mov":
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case ".rm":
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case ".rmvb":
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case ".flv":
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case ".dvr-ms":
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case ".ogm":
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case ".strm":
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{
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result.Quality = Quality.SDTV;
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break;
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}
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case ".mkv":
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case ".ts":
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{
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result.Quality = Quality.HDTV720p;
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break;
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}
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}
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}
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catch (ArgumentException)
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{
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//Swallow exception for cases where string contains illegal
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//path characters.
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}
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}
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if (name.Contains("[HDTV]"))
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{
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result.Quality = Quality.HDTV720p;
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return result;
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}
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if (normalizedName.Contains("hdtv") && normalizedName.Contains("1080p"))
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{
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result.Quality = Quality.HDTV1080p;
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return result;
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}
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if ((normalizedName.Contains("sdtv") || normalizedName.Contains("pdtv") ||
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(result.Quality == Quality.Unknown && normalizedName.Contains("hdtv"))) &&
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!normalizedName.Contains("mpeg"))
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{
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result.Quality = Quality.SDTV;
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return result;
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}
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return result;
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}
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private static Language ParseLanguage(string title)
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{
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var lowerTitle = title.ToLower();
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if (lowerTitle.Contains("english"))
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return Language.English;
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if (lowerTitle.Contains("french"))
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return Language.French;
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if (lowerTitle.Contains("spanish"))
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return Language.Spanish;
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if (lowerTitle.Contains("danish"))
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return Language.Danish;
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if (lowerTitle.Contains("dutch"))
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return Language.Dutch;
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if (lowerTitle.Contains("japanese"))
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return Language.Japanese;
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if (lowerTitle.Contains("cantonese"))
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return Language.Cantonese;
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if (lowerTitle.Contains("mandarin"))
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return Language.Mandarin;
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if (lowerTitle.Contains("korean"))
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return Language.Korean;
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if (lowerTitle.Contains("russian"))
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return Language.Russian;
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if (lowerTitle.Contains("polish"))
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return Language.Polish;
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if (lowerTitle.Contains("vietnamese"))
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return Language.Vietnamese;
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if (lowerTitle.Contains("swedish"))
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return Language.Swedish;
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if (lowerTitle.Contains("norwegian"))
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return Language.Norwegian;
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if (lowerTitle.Contains("finnish"))
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return Language.Finnish;
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if (lowerTitle.Contains("turkish"))
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return Language.Turkish;
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if (lowerTitle.Contains("portuguese"))
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return Language.Portuguese;
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if (lowerTitle.Contains("nlsub"))
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return Language.Norwegian;
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var match = LanguageRegex.Match(title);
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if (match.Groups["italian"].Captures.Cast<Capture>().Any())
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return Language.Italian;
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if (match.Groups["german"].Captures.Cast<Capture>().Any())
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return Language.German;
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if (match.Groups["flemish"].Captures.Cast<Capture>().Any())
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return Language.Flemish;
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if (match.Groups["greek"].Captures.Cast<Capture>().Any())
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return Language.Greek;
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return Language.English;
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}
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private static bool ValidateBeforeParsing(string title)
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{
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if (title.ToLower().Contains("password") && title.ToLower().Contains("yenc"))
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{
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Logger.Trace("");
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return false;
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}
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if (!title.Any(Char.IsLetterOrDigit) || (!title.Any(Char.IsPunctuation) && !title.Any(Char.IsWhiteSpace)))
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{
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return false;
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}
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return true;
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}
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public static string CleanSeriesTitle(this string title)
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{
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long number = 0;
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//If Title only contains numbers return it as is.
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if (Int64.TryParse(title, out number))
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return title;
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return NormalizeRegex.Replace(title, String.Empty).ToLower();
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}
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public static string CleanupEpisodeTitle(string title)
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{
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//this will remove (1),(2) from the end of multi part episodes.
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return MultiPartCleanupRegex.Replace(title, string.Empty).Trim();
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}
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}
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} |