From 1a13940c8dada638f8298b6c1406f38d4a3bf270 Mon Sep 17 00:00:00 2001
From: John Boehr <jbboehr@gmail.com>
Date: Wed, 18 Feb 2015 18:12:48 -0800
Subject: [PATCH 1/3] [imgur] support regular URL

---
 youtube_dl/extractor/imgur.py | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/youtube_dl/extractor/imgur.py b/youtube_dl/extractor/imgur.py
index 16488e0c4..8449c45f4 100644
--- a/youtube_dl/extractor/imgur.py
+++ b/youtube_dl/extractor/imgur.py
@@ -7,11 +7,11 @@
     int_or_none,
     js_to_json,
     mimetype2ext,
+    ExtractorError,
 )
 
-
 class ImgurIE(InfoExtractor):
-    _VALID_URL = r'https?://i\.imgur\.com/(?P<id>[a-zA-Z0-9]+)\.(?:mp4|gifv)'
+    _VALID_URL = r'https?://(?:i\.)?imgur\.com/(?P<id>[a-zA-Z0-9]+)(?:\.)?(?:mp4|gifv)?'
 
     _TESTS = [{
         'url': 'https://i.imgur.com/A61SaA1.gifv',
@@ -21,12 +21,25 @@ class ImgurIE(InfoExtractor):
             'title': 'MRW gifv is up and running without any bugs',
             'description': 'The Internet\'s visual storytelling community. Explore, share, and discuss the best visual stories the Internet has to offer.',
         },
+    }, {
+        'url': 'https://imgur.com/A61SaA1',
+        'info_dict': {
+            'id': 'A61SaA1',
+            'ext': 'mp4',
+            'title': 'MRW gifv is up and running without any bugs',
+            'description': 'The Internet\'s visual storytelling community. Explore, share, and discuss the best visual stories the Internet has to offer.',
+        },
     }]
 
     def _real_extract(self, url):
         video_id = self._match_id(url)
         webpage = self._download_webpage(url, video_id)
 
+        sources = re.findall(r'<source src="([^"]+)" type="([^"]+)"', webpage)
+        if not sources:
+            raise ExtractorError(
+                'No sources found for video %s' % video_id, expected=True)
+
         width = int_or_none(self._search_regex(
             r'<param name="width" value="([0-9]+)"',
             webpage, 'width', fatal=False))

From d236b37ac94cd36657c881e18b8d9187483afa80 Mon Sep 17 00:00:00 2001
From: John Boehr <jbboehr@gmail.com>
Date: Wed, 18 Feb 2015 19:28:19 -0800
Subject: [PATCH 2/3] [imgur] improve regex #4998

---
 youtube_dl/extractor/imgur.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/youtube_dl/extractor/imgur.py b/youtube_dl/extractor/imgur.py
index 8449c45f4..38c961773 100644
--- a/youtube_dl/extractor/imgur.py
+++ b/youtube_dl/extractor/imgur.py
@@ -11,7 +11,7 @@
 )
 
 class ImgurIE(InfoExtractor):
-    _VALID_URL = r'https?://(?:i\.)?imgur\.com/(?P<id>[a-zA-Z0-9]+)(?:\.)?(?:mp4|gifv)?'
+    _VALID_URL = r'https?://(?:i\.)?imgur\.com/(?P<id>[a-zA-Z0-9]+)(?:\.mp4|\.gifv)?'
 
     _TESTS = [{
         'url': 'https://i.imgur.com/A61SaA1.gifv',

From 9e2d7dca87a15cf455fa6c4843a0241ba0b7ad77 Mon Sep 17 00:00:00 2001
From: John Boehr <jbboehr@gmail.com>
Date: Wed, 18 Feb 2015 19:47:54 -0800
Subject: [PATCH 3/3] [imgur] improve error check for non-video URLs

---
 youtube_dl/extractor/imgur.py | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/youtube_dl/extractor/imgur.py b/youtube_dl/extractor/imgur.py
index 38c961773..7937a5c81 100644
--- a/youtube_dl/extractor/imgur.py
+++ b/youtube_dl/extractor/imgur.py
@@ -5,6 +5,7 @@
 from .common import InfoExtractor
 from ..utils import (
     int_or_none,
+    str_or_none,
     js_to_json,
     mimetype2ext,
     ExtractorError,
@@ -35,11 +36,6 @@ def _real_extract(self, url):
         video_id = self._match_id(url)
         webpage = self._download_webpage(url, video_id)
 
-        sources = re.findall(r'<source src="([^"]+)" type="([^"]+)"', webpage)
-        if not sources:
-            raise ExtractorError(
-                'No sources found for video %s' % video_id, expected=True)
-
         width = int_or_none(self._search_regex(
             r'<param name="width" value="([0-9]+)"',
             webpage, 'width', fatal=False))
@@ -47,10 +43,13 @@ def _real_extract(self, url):
             r'<param name="height" value="([0-9]+)"',
             webpage, 'height', fatal=False))
 
-        formats = []
-        video_elements = self._search_regex(
+        video_elements = str_or_none(self._search_regex(
             r'(?s)<div class="video-elements">(.*?)</div>',
-            webpage, 'video elements')
+            webpage, 'video elements', fatal=False))
+        if not video_elements:
+            raise ExtractorError(
+                'No sources found for video %s' % video_id, expected=True)
+
         formats = []
         for m in re.finditer(r'<source\s+src="(?P<src>[^"]+)"\s+type="(?P<type>[^"]+)"', video_elements):
             formats.append({