Fixed: Hashed releases should be parsed more accurately.

src/NzbDrone.Core.Test/NzbDrone.Core.Test.csproj

@@ -191,6 +191,7 @@
     <Compile Include="ParserTests\NormalizeTitleFixture.cs" />
     <Compile Include="ParserTests\CrapParserFixture.cs" />
     <Compile Include="ParserTests\DailyEpisodeParserFixture.cs" />
+    <Compile Include="ParserTests\HashedReleasesFixture.cs" />
     <Compile Include="ParserTests\SingleEpisodeParserFixture.cs" />
     <Compile Include="ParserTests\PathParserFixture.cs" />
     <Compile Include="ParserTests\MultiEpisodeParserFixture.cs" />

src/NzbDrone.Core.Test/ParserTests/CrapParserFixture.cs

@@ -28,6 +28,7 @@ namespace NzbDrone.Core.Test.ParserTests
         [TestCase("ce39afb7da6cf7c04eba3090f0a309f609883862")]
         [TestCase("THIS SHOULD NEVER PARSE")]
         [TestCase("Vh1FvU3bJXw6zs8EEUX4bMo5vbbMdHghxHirc.mkv")]
+        [TestCase("0e895c37245186812cb08aab1529cf8ee389dd05.mkv")]
         public void should_not_parse_crap(string title)
         {
             Parser.Parser.ParseTitle(title).Should().BeNull();

src/NzbDrone.Core.Test/ParserTests/HashedReleasesFixture.cs

@@ -0,0 +1,20 @@
+using FluentAssertions;
+using NUnit.Framework;
+using NzbDrone.Core.Test.Framework;
+
+namespace NzbDrone.Core.Test.ParserTests
+{
+    [TestFixture]
+    public class hashedReleasesFixture : CoreTest
+    {
+        [TestCase(@"C:\Test\Some.Hashed.Release.S01E01.720p.WEB-DL.AAC2.0.H.264-Mercury\0e895c3724.mkv", "somehashedrelease", "WEBDL-720p", "Mercury")]
+        [TestCase(@"C:\Test\0e895c3724\Some.Hashed.Release.S01E01.720p.WEB-DL.AAC2.0.H.264-Mercury.mkv", "somehashedrelease", "WEBDL-720p", "Mercury")]
+        public void should_properly_parse_hashed_releases(string path, string title, string quality, string releaseGroup)
+        {
+            var result = Parser.Parser.ParsePath(path);
+            result.SeriesTitle.Should().Be(title);
+            result.Quality.ToString().Should().Be(quality);
+            result.ReleaseGroup.Should().Be(releaseGroup);
+        }
+    }
+}

src/NzbDrone.Core/Parser/Parser.cs

@@ -4,6 +4,7 @@ using System.IO;
 using System.Linq;
 using System.Text.RegularExpressions;
 using NLog;
+using NzbDrone.Common;
 using NzbDrone.Common.Instrumentation;
 using NzbDrone.Core.Parser.Model;
 using NzbDrone.Core.Tv;
@@ -46,7 +47,7 @@ namespace NzbDrone.Core.Parser
                           RegexOptions.IgnoreCase | RegexOptions.Compiled),
 
                 //Episodes without a title, Single (S01E05, 1x05) AND Multi (S01E04E05, 1x04x05, etc)
-                new Regex(@"^(?:S?(?<season>(?<!\d+)\d{1,2}(?!\d+))(?:(?:\-|[ex]|\W[ex]|_){1,2}(?<episode>\d{2,3}(?!\d+)))+)",
+                new Regex(@"^(?:S?(?<season>(?<!\d+)\d{1,2}(?!\d+))(?:(?:\-|[ex]|\W[ex]|_){1,2}(?<episode>\d{2,3}(?!\d+)))+(?![\da-z]))",
                           RegexOptions.IgnoreCase | RegexOptions.Compiled),
 
                 //Episodes with a title, Single episodes (S01E05, 1x05, etc) & Multi-episode (S01E05E06, S01E05-06, S01E05 E06, etc)
@@ -91,7 +92,7 @@ namespace NzbDrone.Core.Parser
                           RegexOptions.IgnoreCase | RegexOptions.Compiled),
 
                 //Episodes with a title, Single episodes (S01E05, 1x05, etc) & Multi-episode (S01E05E06, S01E05-06, S01E05 E06, etc)
-                new Regex(@"^(?<title>.+?)(?:(\W|_)+S?(?<season>(?<!\d+)\d{1,2}(?!\d+))(?:(?:\-|[ex]|\W[ex]|_){1,2}(?<episode>\d{4}(?!\d+|i|p)))+)\W?(?!\\)",
+                new Regex(@"^(?<title>.+?)(?:(\W|_)+S?(?<season>(?<!\d+)\d{1,2}(?!\d+))(?:(?:\-|[ex]|\W[ex]|_){1,2}(?<episode>\d{4}(?!\d+|i|p)))+(?![\da-z]))\W?(?!\\)",
                           RegexOptions.IgnoreCase | RegexOptions.Compiled),
 
                 //Anime - Title Absolute Episode Number
@@ -126,6 +127,12 @@ namespace NzbDrone.Core.Parser
 
             var result = ParseTitle(fileInfo.Name);
 
+            if (result == null)
+            {
+                Logger.Debug("Attempting to parse episode info using directory path. {0}", fileInfo.Directory.Name);
+                result = ParseTitle(fileInfo.Directory.Name + fileInfo.Extension);
+            }
+
             if (result == null)
             {
                 Logger.Debug("Attempting to parse episode info using full path. {0}", fileInfo.FullName);
@@ -138,8 +145,6 @@ namespace NzbDrone.Core.Parser
                 return null;
             }
 
-            result.ReleaseGroup = ParseReleaseGroup(fileInfo.Name.Replace(fileInfo.Extension, ""));
-
             return result;
         }
 
@@ -239,6 +244,12 @@ namespace NzbDrone.Core.Parser
             const string defaultReleaseGroup = "DRONE";
 
             title = title.Trim();
+
+            if (!title.ContainsInvalidPathChars() && MediaFiles.MediaFileExtensions.Extensions.Contains(Path.GetExtension(title).ToLower()))
+            {
+                title = Path.GetFileNameWithoutExtension(title).Trim();
+            }
+
             var index = title.LastIndexOf('-');
 
             if (index < 0)