Fix "invalid escape sequences" error on Python 3.6

README.md

@@ -961,7 +961,7 @@ After you have ensured this site is distributing its content legally, you can fo
                 'id': '42',
                 'ext': 'mp4',
                 'title': 'Video title goes here',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
                 # TODO more properties, either as:
                 # * A value
                 # * MD5 checksum; start the string with md5:

youtube_dl/YoutubeDL.py

@@ -1339,7 +1339,7 @@ class YoutubeDL(object):
                 format['format_id'] = compat_str(i)
             else:
                 # Sanitize format_id from characters used in format selector expression
-                format['format_id'] = re.sub('[\s,/+\[\]()]', '_', format['format_id'])
+                format['format_id'] = re.sub(r'[\s,/+\[\]()]', '_', format['format_id'])
             format_id = format['format_id']
             if format_id not in formats_dict:
                 formats_dict[format_id] = []

youtube_dl/compat.py

@@ -2344,7 +2344,7 @@ try:
     from urllib.parse import unquote_plus as compat_urllib_parse_unquote_plus
 except ImportError:  # Python 2
     _asciire = (compat_urllib_parse._asciire if hasattr(compat_urllib_parse, '_asciire')
-                else re.compile('([\x00-\x7f]+)'))
+                else re.compile(r'([\x00-\x7f]+)'))
 
     # HACK: The following are the correct unquote_to_bytes, unquote and unquote_plus
     # implementations from cpython 3.4.3's stdlib. Python 2's version

youtube_dl/extractor/abcnews.py

@@ -23,7 +23,7 @@ class AbcNewsVideoIE(AMPIE):
             'title': '\'This Week\' Exclusive: Iran\'s Foreign Minister Zarif',
             'description': 'George Stephanopoulos goes one-on-one with Iranian Foreign Minister Dr. Javad Zarif.',
             'duration': 180,
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         },
         'params': {
             # m3u8 download
@@ -59,7 +59,7 @@ class AbcNewsIE(InfoExtractor):
             'display_id': 'dramatic-video-rare-death-job-america',
             'title': 'Occupational Hazards',
             'description': 'Nightline investigates the dangers that lurk at various jobs.',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'upload_date': '20100428',
             'timestamp': 1272412800,
         },

youtube_dl/extractor/abcotvs.py

@@ -23,7 +23,7 @@ class ABCOTVSIE(InfoExtractor):
                 'ext': 'mp4',
                 'title': 'East Bay museum celebrates vintage synthesizers',
                 'description': 'md5:a4f10fb2f2a02565c1749d4adbab4b10',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
                 'timestamp': 1421123075,
                 'upload_date': '20150113',
                 'uploader': 'Jonathan Bloom',

youtube_dl/extractor/adobetv.py

@@ -30,7 +30,7 @@ class AdobeTVIE(AdobeTVBaseIE):
             'ext': 'mp4',
             'title': 'Quick Tip - How to Draw a Circle Around an Object in Photoshop',
             'description': 'md5:99ec318dc909d7ba2a1f2b038f7d2311',
-            'thumbnail': 're:https?://.*\.jpg$',
+            'thumbnail': r're:https?://.*\.jpg$',
             'upload_date': '20110914',
             'duration': 60,
             'view_count': int,

youtube_dl/extractor/airmozilla.py

@@ -20,7 +20,7 @@ class AirMozillaIE(InfoExtractor):
             'id': '6x4q2w',
             'ext': 'mp4',
             'title': 'Privacy Lab - a meetup for privacy minded people in San Francisco',
-            'thumbnail': 're:https?://vid\.ly/(?P<id>[0-9a-z-]+)/poster',
+            'thumbnail': r're:https?://vid\.ly/(?P<id>[0-9a-z-]+)/poster',
             'description': 'Brings together privacy professionals and others interested in privacy at for-profits, non-profits, and NGOs in an effort to contribute to the state of the ecosystem...',
             'timestamp': 1422487800,
             'upload_date': '20150128',

youtube_dl/extractor/allocine.py

@@ -21,7 +21,7 @@ class AllocineIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Astérix - Le Domaine des Dieux Teaser VF',
             'description': 'md5:4a754271d9c6f16c72629a8a993ee884',
-            'thumbnail': 're:http://.*\.jpg',
+            'thumbnail': r're:http://.*\.jpg',
         },
     }, {
         'url': 'http://www.allocine.fr/video/player_gen_cmedia=19540403&cfilm=222257.html',
@@ -32,7 +32,7 @@ class AllocineIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Planes 2 Bande-annonce VF',
             'description': 'Regardez la bande annonce du film Planes 2 (Planes 2 Bande-annonce VF). Planes 2, un film de Roberts Gannaway',
-            'thumbnail': 're:http://.*\.jpg',
+            'thumbnail': r're:http://.*\.jpg',
         },
     }, {
         'url': 'http://www.allocine.fr/video/player_gen_cmedia=19544709&cfilm=181290.html',
@@ -43,7 +43,7 @@ class AllocineIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Dragons 2 - Bande annonce finale VF',
             'description': 'md5:6cdd2d7c2687d4c6aafe80a35e17267a',
-            'thumbnail': 're:http://.*\.jpg',
+            'thumbnail': r're:http://.*\.jpg',
         },
     }, {
         'url': 'http://www.allocine.fr/video/video-19550147/',
@@ -53,7 +53,7 @@ class AllocineIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Faux Raccord N°123 - Les gaffes de Cliffhanger',
             'description': 'md5:bc734b83ffa2d8a12188d9eb48bb6354',
-            'thumbnail': 're:http://.*\.jpg',
+            'thumbnail': r're:http://.*\.jpg',
         },
     }]
 

youtube_dl/extractor/alphaporno.py

@@ -19,7 +19,7 @@ class AlphaPornoIE(InfoExtractor):
             'display_id': 'sensual-striptease-porn-with-samantha-alexandra',
             'ext': 'mp4',
             'title': 'Sensual striptease porn with Samantha Alexandra',
-            'thumbnail': 're:https?://.*\.jpg$',
+            'thumbnail': r're:https?://.*\.jpg$',
             'timestamp': 1418694611,
             'upload_date': '20141216',
             'duration': 387,

youtube_dl/extractor/ard.py

@@ -253,7 +253,7 @@ class ARDIE(InfoExtractor):
             'duration': 2600,
             'title': 'Die Story im Ersten: Mission unter falscher Flagge',
             'upload_date': '20140804',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         },
         'skip': 'HTTP Error 404: Not Found',
     }

youtube_dl/extractor/atresplayer.py

@@ -30,7 +30,7 @@ class AtresPlayerIE(InfoExtractor):
                 'title': 'Especial Solidario de Nochebuena',
                 'description': 'md5:e2d52ff12214fa937107d21064075bf1',
                 'duration': 5527.6,
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
             },
             'skip': 'This video is only available for registered users'
         },
@@ -43,7 +43,7 @@ class AtresPlayerIE(InfoExtractor):
                 'title': 'David Bustamante',
                 'description': 'md5:f33f1c0a05be57f6708d4dd83a3b81c6',
                 'duration': 1439.0,
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
             },
         },
         {

youtube_dl/extractor/atttechchannel.py

@@ -14,7 +14,7 @@ class ATTTechChannelIE(InfoExtractor):
             'ext': 'flv',
             'title': 'AT&T Archives : The UNIX System: Making Computers Easier to Use',
             'description': 'A 1982 film about UNIX is the foundation for software in use around Bell Labs and AT&T.',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'upload_date': '20140127',
         },
         'params': {

youtube_dl/extractor/audioboom.py

@@ -17,7 +17,7 @@ class AudioBoomIE(InfoExtractor):
             'description': 'Guest:   Nate Davis - NFL free agency,   Guest:   Stan Gans',
             'duration': 2245.72,
             'uploader': 'Steve Czaban',
-            'uploader_url': 're:https?://(?:www\.)?audioboom\.com/channel/steveczabanyahoosportsradio',
+            'uploader_url': r're:https?://(?:www\.)?audioboom\.com/channel/steveczabanyahoosportsradio',
         }
     }, {
         'url': 'https://audioboom.com/posts/4279833-3-09-2016-czaban-hour-3?t=0',

youtube_dl/extractor/azubu.py

@@ -21,7 +21,7 @@ class AzubuIE(InfoExtractor):
                 'ext': 'mp4',
                 'title': '2014 HOT6 CUP LAST BIG MATCH Ro8 Day 1',
                 'description': 'md5:d06bdea27b8cc4388a90ad35b5c66c01',
-                'thumbnail': 're:^https?://.*\.jpe?g',
+                'thumbnail': r're:^https?://.*\.jpe?g',
                 'timestamp': 1417523507.334,
                 'upload_date': '20141202',
                 'duration': 9988.7,
@@ -38,7 +38,7 @@ class AzubuIE(InfoExtractor):
                 'ext': 'mp4',
                 'title': 'Fnatic at Worlds 2014: Toyz - "I love Rekkles, he has amazing mechanics"',
                 'description': 'md5:4a649737b5f6c8b5c5be543e88dc62af',
-                'thumbnail': 're:^https?://.*\.jpe?g',
+                'thumbnail': r're:^https?://.*\.jpe?g',
                 'timestamp': 1410530893.320,
                 'upload_date': '20140912',
                 'duration': 172.385,

youtube_dl/extractor/bet.py

@@ -17,7 +17,7 @@ class BetIE(MTVServicesInfoExtractor):
                 'description': 'President Obama urges persistence in confronting racism and bias.',
                 'duration': 1534,
                 'upload_date': '20141208',
-                'thumbnail': 're:(?i)^https?://.*\.jpg$',
+                'thumbnail': r're:(?i)^https?://.*\.jpg$',
                 'subtitles': {
                     'en': 'mincount:2',
                 }
@@ -37,7 +37,7 @@ class BetIE(MTVServicesInfoExtractor):
                 'description': 'A BET News special.',
                 'duration': 1696,
                 'upload_date': '20141125',
-                'thumbnail': 're:(?i)^https?://.*\.jpg$',
+                'thumbnail': r're:(?i)^https?://.*\.jpg$',
                 'subtitles': {
                     'en': 'mincount:2',
                 }

youtube_dl/extractor/bild.py

@@ -19,7 +19,7 @@ class BildIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Das können die  neuen iPads',
             'description': 'md5:a4058c4fa2a804ab59c00d7244bbf62f',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 196,
         }
     }

youtube_dl/extractor/bilibili.py

@@ -28,7 +28,7 @@ class BiliBiliIE(InfoExtractor):
             'duration': 308.315,
             'timestamp': 1398012660,
             'upload_date': '20140420',
-            'thumbnail': 're:^https?://.+\.jpg',
+            'thumbnail': r're:^https?://.+\.jpg',
             'uploader': '菊子桑',
             'uploader_id': '156160',
         },

youtube_dl/extractor/biobiochiletv.py

@@ -19,7 +19,7 @@ class BioBioChileTVIE(InfoExtractor):
             'id': 'sobre-camaras-y-camarillas-parlamentarias',
             'ext': 'mp4',
             'title': 'Sobre Cámaras y camarillas parlamentarias',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'uploader': 'Fernando Atria',
         },
         'skip': 'URL expired and redirected to http://www.biobiochile.cl/portada/bbtv/index.html',
@@ -31,7 +31,7 @@ class BioBioChileTVIE(InfoExtractor):
             'id': 'natalia-valdebenito-repasa-a-diputado-hasbun-paso-a-la-categoria-de-hablar-brutalidades',
             'ext': 'mp4',
             'title': 'Natalia Valdebenito repasa a diputado Hasbún: Pasó a la categoría de hablar brutalidades',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'uploader': 'Piangella Obrador',
         },
         'params': {

youtube_dl/extractor/byutv.py

@@ -16,7 +16,7 @@ class BYUtvIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Season 5 Episode 5',
             'description': 'md5:e07269172baff037f8e8bf9956bc9747',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 1486.486,
         },
         'params': {

youtube_dl/extractor/camdemy.py

@@ -26,7 +26,7 @@ class CamdemyIE(InfoExtractor):
             'id': '5181',
             'ext': 'mp4',
             'title': 'Ch1-1 Introduction, Signals (02-23-2012)',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'creator': 'ss11spring',
             'duration': 1591,
             'upload_date': '20130114',
@@ -41,7 +41,7 @@ class CamdemyIE(InfoExtractor):
             'id': '13885',
             'ext': 'mp4',
             'title': 'EverCam + Camdemy QuickStart',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'description': 'md5:2a9f989c2b153a2342acee579c6e7db6',
             'creator': 'evercam',
             'duration': 318,

youtube_dl/extractor/canvas.py

@@ -17,7 +17,7 @@ class CanvasIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'De afspraak veilt voor de Warmste Week',
             'description': 'md5:24cb860c320dc2be7358e0e5aa317ba6',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 49.02,
         }
     }, {
@@ -29,7 +29,7 @@ class CanvasIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Pieter 0167',
             'description': 'md5:943cd30f48a5d29ba02c3a104dc4ec4e',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 2553.08,
             'subtitles': {
                 'nl': [{
@@ -48,7 +48,7 @@ class CanvasIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Herbekijk Sorry voor alles',
             'description': 'md5:8bb2805df8164e5eb95d6a7a29dc0dd3',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 3788.06,
         },
         'params': {

youtube_dl/extractor/carambatv.py

@@ -21,7 +21,7 @@ class CarambaTVIE(InfoExtractor):
             'id': '191910501',
             'ext': 'mp4',
             'title': '[BadComedian] - Разборка в Маниле (Абсолютный обзор)',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'duration': 2678.31,
         },
     }, {
@@ -69,7 +69,7 @@ class CarambaTVPageIE(InfoExtractor):
             'id': '475222',
             'ext': 'flv',
             'title': '[BadComedian] - Разборка в Маниле (Абсолютный обзор)',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             # duration reported by videomore is incorrect
             'duration': int,
         },

youtube_dl/extractor/cbsnews.py

@@ -39,7 +39,7 @@ class CBSNewsIE(CBSIE):
                 'upload_date': '20140404',
                 'timestamp': 1396650660,
                 'uploader': 'CBSI-NEW',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
                 'duration': 205,
                 'subtitles': {
                     'en': [{

youtube_dl/extractor/ccc.py

@@ -19,7 +19,7 @@ class CCCIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Introduction to Processor Design',
             'description': 'md5:df55f6d073d4ceae55aae6f2fd98a0ac',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'upload_date': '20131228',
             'timestamp': 1388188800,
             'duration': 3710,
@@ -32,7 +32,7 @@ class CCCIE(InfoExtractor):
     def _real_extract(self, url):
         display_id = self._match_id(url)
         webpage = self._download_webpage(url, display_id)
-        event_id = self._search_regex("data-id='(\d+)'", webpage, 'event id')
+        event_id = self._search_regex(r"data-id='(\d+)'", webpage, 'event id')
         event_data = self._download_json('https://media.ccc.de/public/events/%s' % event_id, event_id)
 
         formats = []

youtube_dl/extractor/cda.py

@@ -24,7 +24,7 @@ class CDAIE(InfoExtractor):
             'height': 720,
             'title': 'Oto dlaczego przed zakrętem należy zwolnić.',
             'description': 'md5:269ccd135d550da90d1662651fcb9772',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'average_rating': float,
             'duration': 39
         }
@@ -36,7 +36,7 @@ class CDAIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Lądowanie na lotnisku na Maderze',
             'description': 'md5:60d76b71186dcce4e0ba6d4bbdb13e1a',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'uploader': 'crash404',
             'view_count': int,
             'average_rating': float,

youtube_dl/extractor/ceskatelevize.py

@@ -25,7 +25,7 @@ class CeskaTelevizeIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Hyde Park Civilizace',
             'description': 'md5:fe93f6eda372d150759d11644ebbfb4a',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'duration': 3350,
         },
         'params': {
@@ -39,7 +39,7 @@ class CeskaTelevizeIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Hyde Park Civilizace: Bonus 01 - En',
             'description': 'English Subtittles',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'duration': 81.3,
         },
         'params': {
@@ -52,7 +52,7 @@ class CeskaTelevizeIE(InfoExtractor):
         'info_dict': {
             'id': 402,
             'ext': 'mp4',
-            'title': 're:^ČT Sport \d{4}-\d{2}-\d{2} \d{2}:\d{2}$',
+            'title': r're:^ČT Sport \d{4}-\d{2}-\d{2} \d{2}:\d{2}$',
             'is_live': True,
         },
         'params': {
@@ -80,7 +80,7 @@ class CeskaTelevizeIE(InfoExtractor):
                 'id': '61924494877068022',
                 'ext': 'mp4',
                 'title': 'Queer: Bogotart (Queer)',
-                'thumbnail': 're:^https?://.*\.jpg',
+                'thumbnail': r're:^https?://.*\.jpg',
                 'duration': 1558.3,
             },
         }],

youtube_dl/extractor/channel9.py

@@ -31,7 +31,7 @@ class Channel9IE(InfoExtractor):
             'title': 'Developer Kick-Off Session: Stuff We Love',
             'description': 'md5:c08d72240b7c87fcecafe2692f80e35f',
             'duration': 4576,
-            'thumbnail': 're:http://.*\.jpg',
+            'thumbnail': r're:http://.*\.jpg',
             'session_code': 'KOS002',
             'session_day': 'Day 1',
             'session_room': 'Arena 1A',
@@ -47,7 +47,7 @@ class Channel9IE(InfoExtractor):
             'title': 'Self-service BI with Power BI - nuclear testing',
             'description': 'md5:d1e6ecaafa7fb52a2cacdf9599829f5b',
             'duration': 1540,
-            'thumbnail': 're:http://.*\.jpg',
+            'thumbnail': r're:http://.*\.jpg',
             'authors': ['Mike Wilmot'],
         },
     }, {
@@ -59,7 +59,7 @@ class Channel9IE(InfoExtractor):
             'title': 'Ranges for the Standard Library',
             'description': 'md5:2e6b4917677af3728c5f6d63784c4c5d',
             'duration': 5646,
-            'thumbnail': 're:http://.*\.jpg',
+            'thumbnail': r're:http://.*\.jpg',
         },
         'params': {
             'skip_download': True,

youtube_dl/extractor/charlierose.py

@@ -13,7 +13,7 @@ class CharlieRoseIE(InfoExtractor):
             'id': '27996',
             'ext': 'mp4',
             'title': 'Remembering Zaha Hadid',
-            'thumbnail': 're:^https?://.*\.jpg\?\d+',
+            'thumbnail': r're:^https?://.*\.jpg\?\d+',
             'description': 'We revisit past conversations with Zaha Hadid, in memory of the world renowned Iraqi architect.',
             'subtitles': {
                 'en': [{

youtube_dl/extractor/cliphunter.py

@@ -30,7 +30,7 @@ class CliphunterIE(InfoExtractor):
             'id': '1012420',
             'ext': 'flv',
             'title': 'Fun Jynx Maze solo',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'age_limit': 18,
         },
         'skip': 'Video gone',
@@ -41,7 +41,7 @@ class CliphunterIE(InfoExtractor):
             'id': '2019449',
             'ext': 'mp4',
             'title': 'ShesNew - My booty girlfriend, Victoria Paradice\'s pussy filled with jizz',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'age_limit': 18,
         },
     }]

youtube_dl/extractor/clipsyndicate.py

@@ -18,7 +18,7 @@ class ClipsyndicateIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Brick Briscoe',
             'duration': 612,
-            'thumbnail': 're:^https?://.+\.jpg',
+            'thumbnail': r're:^https?://.+\.jpg',
         },
     }, {
         'url': 'http://chic.clipsyndicate.com/video/play/5844117/shark_attack',

youtube_dl/extractor/clubic.py

@@ -19,7 +19,7 @@ class ClubicIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Clubic Week 2.0 : le FBI se lance dans la photo d\u0092identité',
             'description': 're:Gueule de bois chez Nokia. Le constructeur a indiqué cette.*',
-            'thumbnail': 're:^http://img\.clubic\.com/.*\.jpg$',
+            'thumbnail': r're:^http://img\.clubic\.com/.*\.jpg$',
         }
     }, {
         'url': 'http://www.clubic.com/video/video-clubic-week-2-0-apple-iphone-6s-et-plus-mais-surtout-le-pencil-469792.html',

youtube_dl/extractor/collegerama.py

@@ -21,7 +21,7 @@ class CollegeRamaIE(InfoExtractor):
                 'ext': 'mp4',
                 'title': 'Een nieuwe wereld: waarden, bewustzijn en techniek van de mensheid 2.0.',
                 'description': '',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
                 'duration': 7713.088,
                 'timestamp': 1413309600,
                 'upload_date': '20141014',

youtube_dl/extractor/comedycentral.py

@@ -79,7 +79,7 @@ class ToshIE(MTVServicesInfoExtractor):
                 'ext': 'mp4',
                 'title': 'Tosh.0|June 9, 2077|2|211|Twitter Users Share Summer Plans',
                 'description': 'Tosh asked fans to share their summer plans.',
-                'thumbnail': 're:^https?://.*\.jpg',
+                'thumbnail': r're:^https?://.*\.jpg',
                 # It's really reported to be published on year 2077
                 'upload_date': '20770610',
                 'timestamp': 3390510600,

youtube_dl/extractor/coub.py

@@ -20,7 +20,7 @@ class CoubIE(InfoExtractor):
             'id': '5u5n1',
             'ext': 'mp4',
             'title': 'The Matrix Moonwalk',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 4.6,
             'timestamp': 1428527772,
             'upload_date': '20150408',

youtube_dl/extractor/crackle.py

@@ -14,7 +14,7 @@ class CrackleIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Everybody Respects A Bloody Nose',
             'description': 'Jerry is kaffeeklatsching in L.A. with funnyman J.B. Smoove (Saturday Night Live, Real Husbands of Hollywood). They’re headed for brew at 10 Speed Coffee in a 1964 Studebaker Avanti.',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'duration': 906,
             'series': 'Comedians In Cars Getting Coffee',
             'season_number': 8,

youtube_dl/extractor/criterion.py

@@ -14,7 +14,7 @@ class CriterionIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Le Samouraï',
             'description': 'md5:a2b4b116326558149bef81f76dcbb93f',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         }
     }
 

youtube_dl/extractor/crooksandliars.py

@@ -16,7 +16,7 @@ class CrooksAndLiarsIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Fox & Friends Says Protecting Atheists From Discrimination Is Anti-Christian!',
             'description': 'md5:e1a46ad1650e3a5ec7196d432799127f',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'timestamp': 1428207000,
             'upload_date': '20150405',
             'uploader': 'Heather',

youtube_dl/extractor/crunchyroll.py

@@ -142,7 +142,7 @@ class CrunchyrollIE(CrunchyrollBaseIE):
             'ext': 'flv',
             'title': 'Culture Japan Episode 1 – Rebuilding Japan after the 3.11',
             'description': 'md5:2fbc01f90b87e8e9137296f37b461c12',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'uploader': 'Danny Choo Network',
             'upload_date': '20120213',
         },
@@ -158,7 +158,7 @@ class CrunchyrollIE(CrunchyrollBaseIE):
             'ext': 'mp4',
             'title': 'Re:ZERO -Starting Life in Another World- Episode 5 – The Morning of Our Promise Is Still Distant',
             'description': 'md5:97664de1ab24bbf77a9c01918cb7dca9',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'uploader': 'TV TOKYO',
             'upload_date': '20160508',
         },

youtube_dl/extractor/ctsnews.py

@@ -28,7 +28,7 @@ class CtsNewsIE(InfoExtractor):
             'ext': 'mp4',
             'title': '韓國31歲童顏男 貌如十多歲小孩',
             'description': '越有年紀的人，越希望看起來年輕一點，而南韓卻有一位31歲的男子，看起來像是11、12歲的小孩，身...',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'timestamp': 1378205880,
             'upload_date': '20130903',
         }
@@ -41,7 +41,7 @@ class CtsNewsIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'iPhone6熱銷 蘋果財報亮眼',
             'description': 'md5:f395d4f485487bb0f992ed2c4b07aa7d',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'upload_date': '20150128',
             'uploader_id': 'TBSCTS',
             'uploader': '中華電視公司',

youtube_dl/extractor/cultureunplugged.py

@@ -21,7 +21,7 @@ class CultureUnpluggedIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'The Next, Best West',
             'description': 'md5:0423cd00833dea1519cf014e9d0903b1',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'creator': 'Coldstream Creative',
             'duration': 2203,
             'view_count': int,

youtube_dl/extractor/dailymotion.py

@@ -58,7 +58,7 @@ class DailymotionIE(DailymotionBaseInfoExtractor):
                 'ext': 'mp4',
                 'title': 'Steam Machine Models, Pricing Listed on Steam Store - IGN News',
                 'description': 'Several come bundled with the Steam Controller.',
-                'thumbnail': 're:^https?:.*\.(?:jpg|png)$',
+                'thumbnail': r're:^https?:.*\.(?:jpg|png)$',
                 'duration': 74,
                 'timestamp': 1425657362,
                 'upload_date': '20150306',

youtube_dl/extractor/daum.py

@@ -32,7 +32,7 @@ class DaumIE(InfoExtractor):
             'title': '마크 헌트 vs 안토니오 실바',
             'description': 'Mark Hunt vs Antonio Silva',
             'upload_date': '20131217',
-            'thumbnail': 're:^https?://.*\.(?:jpg|png)',
+            'thumbnail': r're:^https?://.*\.(?:jpg|png)',
             'duration': 2117,
             'view_count': int,
             'comment_count': int,
@@ -45,7 +45,7 @@ class DaumIE(InfoExtractor):
             'title': '1297회, \'아빠 아들로 태어나길 잘 했어\' 민수, 감동의 눈물[아빠 어디가] 20150118',
             'description': 'md5:79794514261164ff27e36a21ad229fc5',
             'upload_date': '20150604',
-            'thumbnail': 're:^https?://.*\.(?:jpg|png)',
+            'thumbnail': r're:^https?://.*\.(?:jpg|png)',
             'duration': 154,
             'view_count': int,
             'comment_count': int,
@@ -61,7 +61,7 @@ class DaumIE(InfoExtractor):
             'title': '01-Korean War ( Trouble on the horizon )',
             'description': '\nKorean War 01\nTrouble on the horizon\n전쟁의 먹구름',
             'upload_date': '20080223',
-            'thumbnail': 're:^https?://.*\.(?:jpg|png)',
+            'thumbnail': r're:^https?://.*\.(?:jpg|png)',
             'duration': 249,
             'view_count': int,
             'comment_count': int,
@@ -139,7 +139,7 @@ class DaumClipIE(InfoExtractor):
             'title': 'DOTA 2GETHER 시즌2 6회 - 2부',
             'description': 'DOTA 2GETHER 시즌2 6회 - 2부',
             'upload_date': '20130831',
-            'thumbnail': 're:^https?://.*\.(?:jpg|png)',
+            'thumbnail': r're:^https?://.*\.(?:jpg|png)',
             'duration': 3868,
             'view_count': int,
         },

youtube_dl/extractor/dbtv.py

@@ -17,7 +17,7 @@ class DBTVIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Skulle teste ut fornøyelsespark, men kollegaen var bare opptatt av bikinikroppen',
             'description': 'md5:1504a54606c4dde3e4e61fc97aa857e0',
-            'thumbnail': 're:https?://.*\.jpg',
+            'thumbnail': r're:https?://.*\.jpg',
             'timestamp': 1404039863,
             'upload_date': '20140629',
             'duration': 69.544,

youtube_dl/extractor/dctp.py

@@ -17,7 +17,7 @@ class DctpTvIE(InfoExtractor):
             'title': 'Videoinstallation für eine Kaufhausfassade',
             'description': 'Kurzfilm',
             'upload_date': '20110407',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         },
     }
 

youtube_dl/extractor/deezer.py

@@ -19,7 +19,7 @@ class DeezerPlaylistIE(InfoExtractor):
             'id': '176747451',
             'title': 'Best!',
             'uploader': 'Anonymous',
-            'thumbnail': 're:^https?://cdn-images.deezer.com/images/cover/.*\.jpg$',
+            'thumbnail': r're:^https?://cdn-images.deezer.com/images/cover/.*\.jpg$',
         },
         'playlist_count': 30,
         'skip': 'Only available in .de',

youtube_dl/extractor/dhm.py

@@ -17,7 +17,7 @@ class DHMIE(InfoExtractor):
             'title': 'MARSHALL PLAN AT WORK IN WESTERN GERMANY, THE',
             'description': 'md5:1fabd480c153f97b07add61c44407c82',
             'duration': 660,
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         },
     }, {
         'url': 'http://www.dhm.de/filmarchiv/02-mapping-the-wall/peter-g/rolle-1/',
@@ -26,7 +26,7 @@ class DHMIE(InfoExtractor):
             'id': 'rolle-1',
             'ext': 'flv',
             'title': 'ROLLE 1',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         },
     }]
 

youtube_dl/extractor/digiteka.py

@@ -36,7 +36,7 @@ class DigitekaIE(InfoExtractor):
             'id': 's8uk0r',
             'ext': 'mp4',
             'title': 'Loi sur la fin de vie: le texte prévoit un renforcement des directives anticipées',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'duration': 74,
             'upload_date': '20150317',
             'timestamp': 1426604939,
@@ -50,7 +50,7 @@ class DigitekaIE(InfoExtractor):
             'id': 'xvpfp8',
             'ext': 'mp4',
             'title': 'Two - C\'est La Vie (clip)',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'duration': 233,
             'upload_date': '20150224',
             'timestamp': 1424760500,

youtube_dl/extractor/douyutv.py

@@ -26,8 +26,8 @@ class DouyuTVIE(InfoExtractor):
             'display_id': 'iseven',
             'ext': 'flv',
             'title': 're:^清晨醒脑！T-ara根本停不下来！ [0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}$',
-            'description': 're:.*m7show@163\.com.*',
+            'description': r're:.*m7show@163\.com.*',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'uploader': '7师傅',
             'is_live': True,
         },
@@ -42,7 +42,7 @@ class DouyuTVIE(InfoExtractor):
             'ext': 'flv',
             'title': 're:^小漠从零单排记！——CSOL2躲猫猫 [0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}$',
             'description': 'md5:746a2f7a253966a06755a912f0acc0d2',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'uploader': 'douyu小漠',
             'is_live': True,
         },
@@ -57,8 +57,8 @@ class DouyuTVIE(InfoExtractor):
             'display_id': '17732',
             'ext': 'flv',
             'title': 're:^清晨醒脑！T-ara根本停不下来！ [0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}$',
-            'description': 're:.*m7show@163\.com.*',
+            'description': r're:.*m7show@163\.com.*',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'uploader': '7师傅',
             'is_live': True,
         },

youtube_dl/extractor/dramafever.py

@@ -76,7 +76,7 @@ class DramaFeverIE(DramaFeverBaseIE):
             'description': 'md5:a8eec7942e1664a6896fcd5e1287bfd0',
             'episode': 'Episode 1',
             'episode_number': 1,
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'timestamp': 1404336058,
             'upload_date': '20140702',
             'duration': 343,
@@ -94,7 +94,7 @@ class DramaFeverIE(DramaFeverBaseIE):
             'description': 'md5:3ff2ee8fedaef86e076791c909cf2e91',
             'episode': 'Mnet Asian Music Awards 2015 - Part 3',
             'episode_number': 4,
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'timestamp': 1450213200,
             'upload_date': '20151215',
             'duration': 5602,

youtube_dl/extractor/drbonanza.py

@@ -20,7 +20,7 @@ class DRBonanzaIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Talkshowet - Leonard Cohen',
             'description': 'md5:8f34194fb30cd8c8a30ad8b27b70c0ca',
-            'thumbnail': 're:^https?://.*\.(?:gif|jpg)$',
+            'thumbnail': r're:^https?://.*\.(?:gif|jpg)$',
             'timestamp': 1295537932,
             'upload_date': '20110120',
             'duration': 3664,
@@ -36,7 +36,7 @@ class DRBonanzaIE(InfoExtractor):
             'ext': 'mp3',
             'title': 'EM fodbold 1992 Danmark - Tyskland finale Transmission',
             'description': 'md5:501e5a195749480552e214fbbed16c4e',
-            'thumbnail': 're:^https?://.*\.(?:gif|jpg)$',
+            'thumbnail': r're:^https?://.*\.(?:gif|jpg)$',
             'timestamp': 1223274900,
             'upload_date': '20081006',
             'duration': 7369,

youtube_dl/extractor/drtuber.py

@@ -22,7 +22,7 @@ class DrTuberIE(InfoExtractor):
             'like_count': int,
             'comment_count': int,
             'categories': ['Babe', 'Blonde', 'Erotic', 'Outdoor', 'Softcore', 'Solo'],
-            'thumbnail': 're:https?://.*\.jpg$',
+            'thumbnail': r're:https?://.*\.jpg$',
             'age_limit': 18,
         }
     }, {

youtube_dl/extractor/dumpert.py

@@ -21,7 +21,7 @@ class DumpertIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Ik heb nieuws voor je',
             'description': 'Niet schrikken hoor',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         }
     }, {
         'url': 'http://www.dumpert.nl/embed/6675421/dc440fe7/',

youtube_dl/extractor/eagleplatform.py

@@ -31,7 +31,7 @@ class EaglePlatformIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Навальный вышел на свободу',
             'description': 'md5:d97861ac9ae77377f3f20eaf9d04b4f5',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 87,
             'view_count': int,
             'age_limit': 0,
@@ -45,7 +45,7 @@ class EaglePlatformIE(InfoExtractor):
             'id': '12820',
             'ext': 'mp4',
             'title': "'O Sole Mio",
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 216,
             'view_count': int,
         },

youtube_dl/extractor/einthusan.py

@@ -19,7 +19,7 @@ class EinthusanIE(InfoExtractor):
                 'id': '2447',
                 'ext': 'mp4',
                 'title': 'Ek Villain',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
                 'description': 'md5:9d29fc91a7abadd4591fb862fa560d93',
             }
         },
@@ -30,7 +30,7 @@ class EinthusanIE(InfoExtractor):
                 'id': '1671',
                 'ext': 'mp4',
                 'title': 'Soodhu Kavvuum',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
                 'description': 'md5:b40f2bf7320b4f9414f3780817b2af8c',
             }
         },

youtube_dl/extractor/eroprofile.py

@@ -22,7 +22,7 @@ class EroProfileIE(InfoExtractor):
             'display_id': 'sexy-babe-softcore',
             'ext': 'm4v',
             'title': 'sexy babe softcore',
-            'thumbnail': 're:https?://.*\.jpg',
+            'thumbnail': r're:https?://.*\.jpg',
             'age_limit': 18,
         }
     }, {
@@ -32,7 +32,7 @@ class EroProfileIE(InfoExtractor):
             'id': '1133519',
             'ext': 'm4v',
             'title': 'Try It On Pee_cut_2.wmv - 4shared.com - file sharing - download movie file',
-            'thumbnail': 're:https?://.*\.jpg',
+            'thumbnail': r're:https?://.*\.jpg',
             'age_limit': 18,
         },
         'skip': 'Requires login',

youtube_dl/extractor/escapist.py

@@ -45,7 +45,7 @@ class EscapistIE(InfoExtractor):
             'ext': 'mp4',
             'description': "Baldur's Gate: Original, Modded or Enhanced Edition? I'll break down what you can expect from the new Baldur's Gate: Enhanced Edition.",
             'title': "Breaking Down Baldur's Gate",
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 264,
             'uploader': 'The Escapist',
         }
@@ -57,7 +57,7 @@ class EscapistIE(InfoExtractor):
             'ext': 'mp4',
             'description': 'This week, Zero Punctuation reviews Evolve.',
             'title': 'Evolve - One vs Multiplayer',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 304,
             'uploader': 'The Escapist',
         }

youtube_dl/extractor/esri.py

@@ -22,7 +22,7 @@ class EsriVideoIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'ArcGIS Online - Developing Applications',
             'description': 'Jeremy Bartley demonstrates how to develop applications with ArcGIS Online.',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 185,
             'upload_date': '20120419',
         }

youtube_dl/extractor/europa.py

@@ -23,7 +23,7 @@ class EuropaIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'TRADE - Wikileaks on TTIP',
             'description': 'NEW  LIVE EC Midday press briefing of 11/08/2015',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'upload_date': '20150811',
             'duration': 34,
             'view_count': int,

youtube_dl/extractor/expotv.py

@@ -17,7 +17,7 @@ class ExpoTVIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'NYX Butter Lipstick Little Susie',
             'description': 'Goes on like butter, but looks better!',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'uploader': 'Stephanie S.',
             'upload_date': '20150520',
             'view_count': int,

youtube_dl/extractor/fc2.py

@@ -133,7 +133,7 @@ class FC2EmbedIE(InfoExtractor):
             'id': '201403223kCqB3Ez',
             'ext': 'flv',
             'title': 'プリズン･ブレイク S1-01 マイケル 【吹替】',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         },
     }
 

youtube_dl/extractor/firsttv.py

@@ -26,7 +26,7 @@ class FirstTVIE(InfoExtractor):
             'id': '40049',
             'ext': 'mp4',
             'title': 'Гость Людмила Сенчина. Наедине со всеми. Выпуск от 12.02.2015',
-            'thumbnail': 're:^https?://.*\.(?:jpg|JPG)$',
+            'thumbnail': r're:^https?://.*\.(?:jpg|JPG)$',
             'upload_date': '20150212',
             'duration': 2694,
         },
@@ -37,7 +37,7 @@ class FirstTVIE(InfoExtractor):
             'id': '364746',
             'ext': 'mp4',
             'title': 'Весенняя аллергия. Доброе утро. Фрагмент выпуска от 07.04.2016',
-            'thumbnail': 're:^https?://.*\.(?:jpg|JPG)$',
+            'thumbnail': r're:^https?://.*\.(?:jpg|JPG)$',
             'upload_date': '20160407',
             'duration': 179,
             'formats': 'mincount:3',

youtube_dl/extractor/fivetv.py

@@ -25,7 +25,7 @@ class FiveTVIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Россияне выбрали имя для общенациональной платежной системы',
             'description': 'md5:a8aa13e2b7ad36789e9f77a74b6de660',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 180,
         },
     }, {
@@ -35,7 +35,7 @@ class FiveTVIE(InfoExtractor):
             'ext': 'mp4',
             'title': '3D принтер',
             'description': 'md5:d76c736d29ef7ec5c0cf7d7c65ffcb41',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 180,
         },
     }, {
@@ -44,7 +44,7 @@ class FiveTVIE(InfoExtractor):
             'id': 'glavnoe',
             'ext': 'mp4',
             'title': 'Итоги недели с 8 по 14 июня 2015 года',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         },
     }, {
         'url': 'http://www.5-tv.ru/glavnoe/broadcasts/508645/',

youtube_dl/extractor/fktv.py

@@ -19,7 +19,7 @@ class FKTVIE(InfoExtractor):
             'id': '1',
             'ext': 'mp4',
             'title': 'Folge 1 vom 10. April 2007',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         },
     }
 

youtube_dl/extractor/foxgay.py

@@ -20,7 +20,7 @@ class FoxgayIE(InfoExtractor):
             'title': 'Fuck Turkish-style',
             'description': 'md5:6ae2d9486921891efe89231ace13ffdf',
             'age_limit': 18,
-            'thumbnail': 're:https?://.*\.jpg$',
+            'thumbnail': r're:https?://.*\.jpg$',
         },
     }
 

youtube_dl/extractor/foxnews.py

@@ -22,7 +22,7 @@ class FoxNewsIE(AMPIE):
                 'duration': 265,
                 'timestamp': 1304411491,
                 'upload_date': '20110503',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
             },
         },
         {
@@ -36,7 +36,7 @@ class FoxNewsIE(AMPIE):
                 'duration': 292,
                 'timestamp': 1417662047,
                 'upload_date': '20141204',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
             },
             'params': {
                 # m3u8 download
@@ -111,7 +111,7 @@ class FoxNewsInsiderIE(InfoExtractor):
             'description': 'Is campus censorship getting out of control?',
             'timestamp': 1472168725,
             'upload_date': '20160825',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         },
         'params': {
             # m3u8 download

youtube_dl/extractor/franceculture.py

@@ -17,7 +17,7 @@ class FranceCultureIE(InfoExtractor):
             'display_id': 'rendez-vous-au-pays-des-geeks',
             'ext': 'mp3',
             'title': 'Rendez-vous au pays des geeks',
-            'thumbnail': 're:^https?://.*\\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'upload_date': '20140301',
             'vcodec': 'none',
         }

youtube_dl/extractor/francetv.py

@@ -168,7 +168,7 @@ class FranceTvInfoIE(FranceTVBaseInfoExtractor):
             'id': 'NI_173343',
             'ext': 'mp4',
             'title': 'Les entreprises familiales : le secret de la réussite',
-            'thumbnail': 're:^https?://.*\.jpe?g$',
+            'thumbnail': r're:^https?://.*\.jpe?g$',
             'timestamp': 1433273139,
             'upload_date': '20150602',
         },
@@ -184,7 +184,7 @@ class FranceTvInfoIE(FranceTVBaseInfoExtractor):
             'ext': 'mp4',
             'title': 'Olivier Monthus, réalisateur de "Bretagne, le choix de l’Armor"',
             'description': 'md5:a3264114c9d29aeca11ced113c37b16c',
-            'thumbnail': 're:^https?://.*\.jpe?g$',
+            'thumbnail': r're:^https?://.*\.jpe?g$',
             'timestamp': 1458300695,
             'upload_date': '20160318',
         },

youtube_dl/extractor/funimation.py

@@ -29,7 +29,7 @@ class FunimationIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Air - 1 - Breeze',
             'description': 'md5:1769f43cd5fc130ace8fd87232207892',
-            'thumbnail': 're:https?://.*\.jpg',
+            'thumbnail': r're:https?://.*\.jpg',
         },
         'skip': 'Access without user interaction is forbidden by CloudFlare, and video removed',
     }, {
@@ -40,7 +40,7 @@ class FunimationIE(InfoExtractor):
             'ext': 'mp4',
             'title': '.hack//SIGN - 1 - Role Play',
             'description': 'md5:b602bdc15eef4c9bbb201bb6e6a4a2dd',
-            'thumbnail': 're:https?://.*\.jpg',
+            'thumbnail': r're:https?://.*\.jpg',
         },
         'skip': 'Access without user interaction is forbidden by CloudFlare',
     }, {
@@ -51,7 +51,7 @@ class FunimationIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Attack on Titan: Junior High - Broadcast Dub Preview',
             'description': 'md5:f8ec49c0aff702a7832cd81b8a44f803',
-            'thumbnail': 're:https?://.*\.(?:jpg|png)',
+            'thumbnail': r're:https?://.*\.(?:jpg|png)',
         },
         'skip': 'Access without user interaction is forbidden by CloudFlare',
     }]

youtube_dl/extractor/funnyordie.py

@@ -17,7 +17,7 @@ class FunnyOrDieIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Heart-Shaped Box: Literal Video Version',
             'description': 'md5:ea09a01bc9a1c46d9ab696c01747c338',
-            'thumbnail': 're:^http:.*\.jpg$',
+            'thumbnail': r're:^http:.*\.jpg$',
         },
     }, {
         'url': 'http://www.funnyordie.com/embed/e402820827',
@@ -26,7 +26,7 @@ class FunnyOrDieIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Please Use This Song (Jon Lajoie)',
             'description': 'Please use this to sell something.  www.jonlajoie.com',
-            'thumbnail': 're:^http:.*\.jpg$',
+            'thumbnail': r're:^http:.*\.jpg$',
         },
         'params': {
             'skip_download': True,

youtube_dl/extractor/gamersyde.py

@@ -20,7 +20,7 @@ class GamersydeIE(InfoExtractor):
             'ext': 'mp4',
             'duration': 372,
             'title': 'Bloodborne - Birth of a hero',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         }
     }
 

youtube_dl/extractor/gamespot.py

@@ -63,7 +63,7 @@ class GameSpotIE(OnceIE):
             streams, ('progressive_hd', 'progressive_high', 'progressive_low'))
         if progressive_url and manifest_url:
             qualities_basename = self._search_regex(
-                '/([^/]+)\.csmil/',
+                r'/([^/]+)\.csmil/',
                 manifest_url, 'qualities basename', default=None)
             if qualities_basename:
                 QUALITIES_RE = r'((,\d+)+,?)'

youtube_dl/extractor/gamestar.py

@@ -18,7 +18,7 @@ class GameStarIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Hobbit 3: Die Schlacht der Fünf Heere - Teaser-Trailer zum dritten Teil',
             'description': 'Der Teaser-Trailer zu Hobbit 3: Die Schlacht der Fünf Heere zeigt einige Szenen aus dem dritten Teil der Saga und kündigt den...',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'timestamp': 1406542020,
             'upload_date': '20140728',
             'duration': 17

youtube_dl/extractor/gazeta.py

@@ -16,7 +16,7 @@ class GazetaIE(InfoExtractor):
             'ext': 'mp4',
             'title': '«70–80 процентов гражданских в Донецке на грани голода»',
             'description': 'md5:38617526050bd17b234728e7f9620a71',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
         },
         'skip': 'video not found',
     }, {

youtube_dl/extractor/generic.py

@@ -239,7 +239,7 @@ class GenericIE(InfoExtractor):
                 'ext': 'mp4',
                 'title': 'Tikibad ontruimd wegens brand',
                 'description': 'md5:05ca046ff47b931f9b04855015e163a4',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
                 'duration': 33,
             },
             'params': {
@@ -300,7 +300,7 @@ class GenericIE(InfoExtractor):
                 'ext': 'mp4',
                 'upload_date': '20130224',
                 'uploader_id': 'TheVerge',
-                'description': 're:^Chris Ziegler takes a look at the\.*',
+                'description': r're:^Chris Ziegler takes a look at the\.*',
                 'uploader': 'The Verge',
                 'title': 'First Firefox OS phones side-by-side',
             },
@@ -539,7 +539,7 @@ class GenericIE(InfoExtractor):
                 'id': 'f4dafcad-ff21-423d-89b5-146cfd89fa1e',
                 'ext': 'mp4',
                 'title': 'Ужастики, русский трейлер (2015)',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
                 'duration': 153,
             }
         },
@@ -759,7 +759,7 @@ class GenericIE(InfoExtractor):
                 'duration': 48,
                 'timestamp': 1401537900,
                 'upload_date': '20140531',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
             },
         },
         # Wistia embed
@@ -1031,7 +1031,7 @@ class GenericIE(InfoExtractor):
                 'ext': 'mp4',
                 'title': 'Навальный вышел на свободу',
                 'description': 'md5:d97861ac9ae77377f3f20eaf9d04b4f5',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
                 'duration': 87,
                 'view_count': int,
                 'age_limit': 0,
@@ -1045,7 +1045,7 @@ class GenericIE(InfoExtractor):
                 'id': '12820',
                 'ext': 'mp4',
                 'title': "'O Sole Mio",
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
                 'duration': 216,
                 'view_count': int,
             },
@@ -1058,7 +1058,7 @@ class GenericIE(InfoExtractor):
                 'ext': 'mp4',
                 'title': 'Тайны перевала Дятлова • 1 серия 2 часть',
                 'description': 'Документальный сериал-расследование одной из самых жутких тайн ХХ века',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
                 'duration': 694,
                 'age_limit': 0,
             },
@@ -1070,7 +1070,7 @@ class GenericIE(InfoExtractor):
                 'id': '3519514',
                 'ext': 'mp4',
                 'title': 'Joe Dirt 2 Beautiful Loser Teaser Trailer',
-                'thumbnail': 're:^https?://.*\.png$',
+                'thumbnail': r're:^https?://.*\.png$',
                 'duration': 45.115,
             },
         },
@@ -1153,7 +1153,7 @@ class GenericIE(InfoExtractor):
                 'id': '300346',
                 'ext': 'mp4',
                 'title': '中一中男師變性 全校師生力挺',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
             },
             'params': {
                 # m3u8 download
@@ -1199,7 +1199,7 @@ class GenericIE(InfoExtractor):
                 'ext': 'mp4',
                 'title': 'Sauvons les abeilles ! - Le débat',
                 'description': 'md5:d9082128b1c5277987825d684939ca26',
-                'thumbnail': 're:^https?://.*\.jpe?g$',
+                'thumbnail': r're:^https?://.*\.jpe?g$',
                 'timestamp': 1434970506,
                 'upload_date': '20150622',
                 'uploader': 'Public Sénat',
@@ -1213,7 +1213,7 @@ class GenericIE(InfoExtractor):
                 'id': '2855',
                 'ext': 'mp4',
                 'title': 'Don’t Understand Bitcoin? This Man Will Mumble An Explanation At You',
-                'thumbnail': 're:^https?://.*\.jpe?g$',
+                'thumbnail': r're:^https?://.*\.jpe?g$',
                 'uploader': 'ClickHole',
                 'uploader_id': 'clickhole',
             }

youtube_dl/extractor/giantbomb.py

@@ -23,7 +23,7 @@ class GiantBombIE(InfoExtractor):
             'title': 'Quick Look: Destiny: The Dark Below',
             'description': 'md5:0aa3aaf2772a41b91d44c63f30dfad24',
             'duration': 2399,
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         }
     }
 

youtube_dl/extractor/giga.py

@@ -24,7 +24,7 @@ class GigaIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Anime Awesome: Chihiros Reise ins Zauberland – Das Beste kommt zum Schluss',
             'description': 'md5:afdf5862241aded4718a30dff6a57baf',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 578,
             'timestamp': 1414749706,
             'upload_date': '20141031',

youtube_dl/extractor/glide.py

@@ -14,7 +14,7 @@ class GlideIE(InfoExtractor):
             'id': 'UZF8zlmuQbe4mr+7dCiQ0w==',
             'ext': 'mp4',
             'title': "Damon's Glide message",
-            'thumbnail': 're:^https?://.*?\.cloudfront\.net/.*\.jpg$',
+            'thumbnail': r're:^https?://.*?\.cloudfront\.net/.*\.jpg$',
         }
     }
 

youtube_dl/extractor/godtube.py

@@ -23,7 +23,7 @@ class GodTubeIE(InfoExtractor):
                 'timestamp': 1205712000,
                 'uploader': 'beverlybmusic',
                 'upload_date': '20080317',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
             },
         },
     ]

youtube_dl/extractor/goshgay.py

@@ -19,7 +19,7 @@ class GoshgayIE(InfoExtractor):
             'id': '299069',
             'ext': 'flv',
             'title': 'DIESEL SFW XXX Video',
-            'thumbnail': 're:^http://.*\.jpg$',
+            'thumbnail': r're:^http://.*\.jpg$',
             'duration': 80,
             'age_limit': 18,
         }

youtube_dl/extractor/hbo.py

@@ -120,7 +120,7 @@ class HBOIE(HBOBaseIE):
             'id': '1437839',
             'ext': 'mp4',
             'title': 'Ep. 64 Clip: Encryption',
-            'thumbnail': 're:https?://.*\.jpg$',
+            'thumbnail': r're:https?://.*\.jpg$',
             'duration': 1072,
         }
     }
@@ -141,7 +141,7 @@ class HBOEpisodeIE(HBOBaseIE):
             'display_id': 'ep-52-inside-the-episode',
             'ext': 'mp4',
             'title': 'Ep. 52: Inside the Episode',
-            'thumbnail': 're:https?://.*\.jpg$',
+            'thumbnail': r're:https?://.*\.jpg$',
             'duration': 240,
         },
     }, {

youtube_dl/extractor/hearthisat.py

@@ -25,7 +25,7 @@ class HearThisAtIE(InfoExtractor):
             'id': '150939',
             'ext': 'wav',
             'title': 'Moofi - Dr. Kreep',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'timestamp': 1421564134,
             'description': 'Listen to Dr. Kreep by Moofi on hearthis.at - Modular, Eurorack, Mutable Intruments Braids, Valhalla-DSP',
             'upload_date': '20150118',
@@ -46,7 +46,7 @@ class HearThisAtIE(InfoExtractor):
             'description': 'Listen to DJ Jim Hopkins -  Totally Bitchin\' 80\'s Dance Mix! by TwitchSF on hearthis.at - Dance',
             'upload_date': '20160328',
             'timestamp': 1459186146,
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'comment_count': int,
             'view_count': int,
             'like_count': int,

youtube_dl/extractor/heise.py

@@ -29,7 +29,7 @@ class HeiseIE(InfoExtractor):
             'timestamp': 1411812600,
             'upload_date': '20140927',
             'description': 'In uplink-Episode 3.3 geht es darum, wie man sich von Cloud-Anbietern emanzipieren kann, worauf man beim Kauf einer Tastatur achten sollte und was Smartphones über uns verraten.',
-            'thumbnail': 're:^https?://.*\.jpe?g$',
+            'thumbnail': r're:^https?://.*\.jpe?g$',
         }
     }
 

youtube_dl/extractor/hellporno.py

@@ -20,7 +20,7 @@ class HellPornoIE(InfoExtractor):
             'display_id': 'dixie-is-posing-with-naked-ass-very-erotic',
             'ext': 'mp4',
             'title': 'Dixie is posing with naked ass very erotic',
-            'thumbnail': 're:https?://.*\.jpg$',
+            'thumbnail': r're:https?://.*\.jpg$',
             'age_limit': 18,
         }
     }, {

youtube_dl/extractor/historicfilms.py

@@ -14,7 +14,7 @@ class HistoricFilmsIE(InfoExtractor):
             'ext': 'mov',
             'title': 'Historic Films: GP-7',
             'description': 'md5:1a86a0f3ac54024e419aba97210d959a',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 2096,
         },
     }

youtube_dl/extractor/hitbox.py

@@ -25,7 +25,7 @@ class HitboxIE(InfoExtractor):
             'alt_title': 'hitboxlive - Aug 9th #6',
             'description': '',
             'ext': 'mp4',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 215.1666,
             'resolution': 'HD 720p',
             'uploader': 'hitboxlive',
@@ -163,7 +163,7 @@ class HitboxLiveIE(HitboxIE):
             if cdn.get('rtmpSubscribe') is True:
                 continue
             base_url = cdn.get('netConnectionUrl')
-            host = re.search('.+\.([^\.]+\.[^\./]+)/.+', base_url).group(1)
+            host = re.search(r'.+\.([^\.]+\.[^\./]+)/.+', base_url).group(1)
             if base_url not in servers:
                 servers.append(base_url)
                 for stream in cdn.get('bitrates'):

youtube_dl/extractor/hornbunny.py

@@ -20,7 +20,7 @@ class HornBunnyIE(InfoExtractor):
             'duration': 550,
             'age_limit': 18,
             'view_count': int,
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         }
     }
 

youtube_dl/extractor/howstuffworks.py

@@ -21,7 +21,7 @@ class HowStuffWorksIE(InfoExtractor):
                 'title': 'Cool Jobs - Iditarod Musher',
                 'description': 'Cold sleds, freezing temps and warm dog breath... an Iditarod musher\'s dream. Kasey-Dee Gardner jumps on a sled to find out what the big deal is.',
                 'display_id': 'cool-jobs-iditarod-musher',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
                 'duration': 161,
             },
             'skip': 'Video broken',
@@ -34,7 +34,7 @@ class HowStuffWorksIE(InfoExtractor):
                 'title': 'Survival Zone: Food and Water In the Savanna',
                 'description': 'Learn how to find both food and water while trekking in the African savannah. In this video from the Discovery Channel.',
                 'display_id': 'survival-zone-food-and-water-in-the-savanna',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
             },
         },
         {
@@ -45,7 +45,7 @@ class HowStuffWorksIE(InfoExtractor):
                 'title': 'Sword Swallowing #1 by Dan Meyer',
                 'description': 'Video footage (1 of 3) used by permission of the owner Dan Meyer through Sword Swallowers Association International <www.swordswallow.org>',
                 'display_id': 'sword-swallowing-1-by-dan-meyer',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
             },
         },
         {

youtube_dl/extractor/huajiao.py

@@ -20,7 +20,7 @@ class HuajiaoIE(InfoExtractor):
             'title': '#新人求关注#',
             'description': 're:.*',
             'duration': 2424.0,
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'timestamp': 1475866459,
             'upload_date': '20161007',
             'uploader': 'Penny_余姿昀',

youtube_dl/extractor/huffpost.py

@@ -52,7 +52,7 @@ class HuffPostIE(InfoExtractor):
 
         thumbnails = []
         for url in filter(None, data['images'].values()):
-            m = re.match('.*-([0-9]+x[0-9]+)\.', url)
+            m = re.match(r'.*-([0-9]+x[0-9]+)\.', url)
             if not m:
                 continue
             thumbnails.append({

youtube_dl/extractor/indavideo.py

@@ -19,7 +19,7 @@ class IndavideoEmbedIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Cicatánc',
             'description': '',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'uploader': 'cukiajanlo',
             'uploader_id': '83729',
             'timestamp': 1439193826,
@@ -102,7 +102,7 @@ class IndavideoIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Vicces cica',
             'description': 'Játszik a tablettel. :D',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'uploader': 'Jet_Pack',
             'uploader_id': '491217',
             'timestamp': 1390821212,

youtube_dl/extractor/instagram.py

@@ -22,7 +22,7 @@ class InstagramIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Video by naomipq',
             'description': 'md5:1f17f0ab29bd6fe2bfad705f58de3cb8',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'timestamp': 1371748545,
             'upload_date': '20130620',
             'uploader_id': 'naomipq',
@@ -38,7 +38,7 @@ class InstagramIE(InfoExtractor):
             'id': 'BA-pQFBG8HZ',
             'ext': 'mp4',
             'title': 'Video by britneyspears',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'timestamp': 1453760977,
             'upload_date': '20160125',
             'uploader_id': 'britneyspears',
@@ -169,7 +169,7 @@ class InstagramUserIE(InfoExtractor):
                 'id': '614605558512799803_462752227',
                 'ext': 'mp4',
                 'title': '#Porsche Intelligent Performance.',
-                'thumbnail': 're:^https?://.*\.jpg',
+                'thumbnail': r're:^https?://.*\.jpg',
                 'uploader': 'Porsche',
                 'uploader_id': 'porsche',
                 'timestamp': 1387486713,

youtube_dl/extractor/ir90tv.py

@@ -14,7 +14,7 @@ class Ir90TvIE(InfoExtractor):
             'id': '95719',
             'ext': 'mp4',
             'title': 'شایعات نقل و انتقالات مهم فوتبال اروپا 94/02/18',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         }
     }, {
         'url': 'http://www.90tv.ir/video/95719/%D8%B4%D8%A7%DB%8C%D8%B9%D8%A7%D8%AA-%D9%86%D9%82%D9%84-%D9%88-%D8%A7%D9%86%D8%AA%D9%82%D8%A7%D9%84%D8%A7%D8%AA-%D9%85%D9%87%D9%85-%D9%81%D9%88%D8%AA%D8%A8%D8%A7%D9%84-%D8%A7%D8%B1%D9%88%D9%BE%D8%A7-940218',

youtube_dl/extractor/ivi.py

@@ -28,7 +28,7 @@ class IviIE(InfoExtractor):
                 'title': 'Иван Васильевич меняет профессию',
                 'description': 'md5:b924063ea1677c8fe343d8a72ac2195f',
                 'duration': 5498,
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
             },
             'skip': 'Only works from Russia',
         },
@@ -46,7 +46,7 @@ class IviIE(InfoExtractor):
                 'episode': 'Дело Гольдберга (1 часть)',
                 'episode_number': 1,
                 'duration': 2655,
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
             },
             'skip': 'Only works from Russia',
         },
@@ -60,7 +60,7 @@ class IviIE(InfoExtractor):
                 'title': 'Кукла',
                 'description': 'md5:ffca9372399976a2d260a407cc74cce6',
                 'duration': 5599,
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
             },
             'skip': 'Only works from Russia',
         }

youtube_dl/extractor/izlesene.py

@@ -29,7 +29,7 @@ class IzleseneIE(InfoExtractor):
                 'ext': 'mp4',
                 'title': 'Sevinçten Çıldırtan Doğum Günü Hediyesi',
                 'description': 'md5:253753e2655dde93f59f74b572454f6d',
-                'thumbnail': 're:^https?://.*\.jpg',
+                'thumbnail': r're:^https?://.*\.jpg',
                 'uploader_id': 'pelikzzle',
                 'timestamp': int,
                 'upload_date': '20140702',
@@ -44,7 +44,7 @@ class IzleseneIE(InfoExtractor):
                 'id': '17997',
                 'ext': 'mp4',
                 'title': 'Tarkan Dortmund 2006 Konseri',
-                'thumbnail': 're:^https://.*\.jpg',
+                'thumbnail': r're:^https://.*\.jpg',
                 'uploader_id': 'parlayankiz',
                 'timestamp': int,
                 'upload_date': '20061112',

youtube_dl/extractor/jamendo.py

@@ -17,7 +17,7 @@ class JamendoIE(InfoExtractor):
             'display_id': 'stories-from-emona-i',
             'ext': 'flac',
             'title': 'Stories from Emona I',
-            'thumbnail': 're:^https?://.*\.jpg'
+            'thumbnail': r're:^https?://.*\.jpg'
         }
     }
 

youtube_dl/extractor/jove.py

@@ -21,7 +21,7 @@ class JoveIE(InfoExtractor):
                 'ext': 'mp4',
                 'title': 'Electrode Positioning and Montage in Transcranial Direct Current Stimulation',
                 'description': 'md5:015dd4509649c0908bc27f049e0262c6',
-                'thumbnail': 're:^https?://.*\.png$',
+                'thumbnail': r're:^https?://.*\.png$',
                 'upload_date': '20110523',
             }
         },
@@ -33,7 +33,7 @@ class JoveIE(InfoExtractor):
                 'ext': 'mp4',
                 'title': 'Culturing Caenorhabditis elegans in Axenic Liquid Media and Creation of Transgenic Worms by Microparticle Bombardment',
                 'description': 'md5:35ff029261900583970c4023b70f1dc9',
-                'thumbnail': 're:^https?://.*\.png$',
+                'thumbnail': r're:^https?://.*\.png$',
                 'upload_date': '20140802',
             }
         },

youtube_dl/extractor/karrierevideos.py

@@ -20,7 +20,7 @@ class KarriereVideosIE(InfoExtractor):
             'ext': 'flv',
             'title': 'AltenpflegerIn',
             'description': 'md5:dbadd1259fde2159a9b28667cb664ae2',
-            'thumbnail': 're:^http://.*\.png',
+            'thumbnail': r're:^http://.*\.png',
         },
         'params': {
             # rtmp download
@@ -34,7 +34,7 @@ class KarriereVideosIE(InfoExtractor):
             'ext': 'flv',
             'title': 'Väterkarenz und neue Chancen für Mütter - "Baby - was nun?"',
             'description': 'md5:97092c6ad1fd7d38e9d6a5fdeb2bcc33',
-            'thumbnail': 're:^http://.*\.png',
+            'thumbnail': r're:^http://.*\.png',
         },
         'params': {
             # rtmp download

youtube_dl/extractor/keezmovies.py

@@ -27,7 +27,7 @@ class KeezMoviesIE(InfoExtractor):
             'display_id': 'petite-asian-lady-mai-playing-in-bathtub',
             'ext': 'mp4',
             'title': 'Petite Asian Lady Mai Playing In Bathtub',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'view_count': int,
             'age_limit': 18,
         }

youtube_dl/extractor/ketnet.py

@@ -13,7 +13,7 @@ class KetnetIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Gluur mee op de filmset en op Pennenzakkenrock',
             'description': 'Gluur mee met Ghost Rockers op de filmset',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         }
     }, {
         'url': 'https://www.ketnet.be/kijken/karrewiet/uitzending-8-september-2016',

youtube_dl/extractor/krasview.py

@@ -23,7 +23,7 @@ class KrasViewIE(InfoExtractor):
             'title': 'Снег, лёд, заносы',
             'description': 'Снято в городе Нягань, в Ханты-Мансийском автономном округе.',
             'duration': 27,
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
         },
         'params': {
             'skip_download': 'Not accessible from Travis CI server',

youtube_dl/extractor/kusi.py

@@ -27,7 +27,7 @@ class KUSIIE(InfoExtractor):
             'duration': 223.586,
             'upload_date': '20160826',
             'timestamp': 1472233118,
-            'thumbnail': 're:^https?://.*\.jpg$'
+            'thumbnail': r're:^https?://.*\.jpg$'
         },
     }, {
         'url': 'http://kusi.com/video?clipId=12203019',

youtube_dl/extractor/leeco.py

@@ -386,8 +386,8 @@ class LetvCloudIE(InfoExtractor):
         return formats
 
     def _real_extract(self, url):
-        uu_mobj = re.search('uu=([\w]+)', url)
+        uu_mobj = re.search(r'uu=([\w]+)', url)
-        vu_mobj = re.search('vu=([\w]+)', url)
+        vu_mobj = re.search(r'vu=([\w]+)', url)
 
         if not uu_mobj or not vu_mobj:
             raise ExtractorError('Invalid URL: %s' % url, expected=True)

youtube_dl/extractor/lemonde.py

@@ -12,7 +12,7 @@ class LemondeIE(InfoExtractor):
             'id': 'lqm3kl',
             'ext': 'mp4',
             'title': "Comprendre l'affaire Bygmalion en 5 minutes",
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'duration': 320,
             'upload_date': '20160119',
             'timestamp': 1453194778,

youtube_dl/extractor/libraryofcongress.py

@@ -25,7 +25,7 @@ class LibraryOfCongressIE(InfoExtractor):
             'id': '90716351',
             'ext': 'mp4',
             'title': "Pa's trip to Mars",
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 0,
             'view_count': int,
         },

youtube_dl/extractor/libsyn.py

@@ -41,7 +41,7 @@ class LibsynIE(InfoExtractor):
 
         formats = [{
             'url': media_url,
-        } for media_url in set(re.findall('var\s+mediaURL(?:Libsyn)?\s*=\s*"([^"]+)"', webpage))]
+        } for media_url in set(re.findall(r'var\s+mediaURL(?:Libsyn)?\s*=\s*"([^"]+)"', webpage))]
 
         podcast_title = self._search_regex(
             r'<h2>([^<]+)</h2>', webpage, 'podcast title', default=None)

youtube_dl/extractor/lifenews.py

@@ -176,7 +176,7 @@ class LifeEmbedIE(InfoExtractor):
             'id': 'e50c2dec2867350528e2574c899b8291',
             'ext': 'mp4',
             'title': 'e50c2dec2867350528e2574c899b8291',
-            'thumbnail': 're:http://.*\.jpg',
+            'thumbnail': r're:http://.*\.jpg',
         }
     }, {
         # with 1080p

youtube_dl/extractor/limelight.py

@@ -164,7 +164,7 @@ class LimelightMediaIE(LimelightBaseIE):
             'ext': 'mp4',
             'title': 'HaP and the HB Prince Trailer',
             'description': 'md5:8005b944181778e313d95c1237ddb640',
-            'thumbnail': 're:^https?://.*\.jpeg$',
+            'thumbnail': r're:^https?://.*\.jpeg$',
             'duration': 144.23,
             'timestamp': 1244136834,
             'upload_date': '20090604',
@@ -181,7 +181,7 @@ class LimelightMediaIE(LimelightBaseIE):
             'id': 'a3e00274d4564ec4a9b29b9466432335',
             'ext': 'mp4',
             'title': '3Play Media Overview Video',
-            'thumbnail': 're:^https?://.*\.jpeg$',
+            'thumbnail': r're:^https?://.*\.jpeg$',
             'duration': 78.101,
             'timestamp': 1338929955,
             'upload_date': '20120605',

youtube_dl/extractor/litv.py

@@ -31,7 +31,7 @@ class LiTVIE(InfoExtractor):
             'id': 'VOD00041610',
             'ext': 'mp4',
             'title': '花千骨第1集',
-            'thumbnail': 're:https?://.*\.jpg$',
+            'thumbnail': r're:https?://.*\.jpg$',
             'description': 'md5:c7017aa144c87467c4fb2909c4b05d6f',
             'episode_number': 1,
         },
@@ -80,7 +80,7 @@ class LiTVIE(InfoExtractor):
         webpage = self._download_webpage(url, video_id)
 
         program_info = self._parse_json(self._search_regex(
-            'var\s+programInfo\s*=\s*([^;]+)', webpage, 'VOD data', default='{}'),
+            r'var\s+programInfo\s*=\s*([^;]+)', webpage, 'VOD data', default='{}'),
             video_id)
 
         season_list = list(program_info.get('seasonList', {}).values())

youtube_dl/extractor/liveleak.py

@@ -18,7 +18,7 @@ class LiveLeakIE(InfoExtractor):
             'description': 'extremely bad day for this guy..!',
             'uploader': 'ljfriel2',
             'title': 'Most unlucky car accident',
-            'thumbnail': 're:^https?://.*\.jpg$'
+            'thumbnail': r're:^https?://.*\.jpg$'
         }
     }, {
         'url': 'http://www.liveleak.com/view?i=f93_1390833151',
@@ -29,7 +29,7 @@ class LiveLeakIE(InfoExtractor):
             'description': 'German Television Channel NDR does an exclusive interview with Edward Snowden.\r\nUploaded on LiveLeak cause German Television thinks the rest of the world isn\'t intereseted in Edward Snowden.',
             'uploader': 'ARD_Stinkt',
             'title': 'German Television does first Edward Snowden Interview (ENGLISH)',
-            'thumbnail': 're:^https?://.*\.jpg$'
+            'thumbnail': r're:^https?://.*\.jpg$'
         }
     }, {
         'url': 'http://www.liveleak.com/view?i=4f7_1392687779',
@@ -52,7 +52,7 @@ class LiveLeakIE(InfoExtractor):
             'description': 'Happened on 27.7.2014. \r\nAt 0:53 you can see people still swimming at near beach.',
             'uploader': 'bony333',
             'title': 'Crazy Hungarian tourist films close call waterspout in Croatia',
-            'thumbnail': 're:^https?://.*\.jpg$'
+            'thumbnail': r're:^https?://.*\.jpg$'
         }
     }, {
         # Covers https://github.com/rg3/youtube-dl/pull/10664#issuecomment-247439521

youtube_dl/extractor/livestream.py

@@ -37,7 +37,7 @@ class LivestreamIE(InfoExtractor):
             'duration': 5968.0,
             'like_count': int,
             'view_count': int,
-            'thumbnail': 're:^http://.*\.jpg$'
+            'thumbnail': r're:^http://.*\.jpg$'
         }
     }, {
         'url': 'http://new.livestream.com/tedx/cityenglish',

youtube_dl/extractor/lnkgo.py

@@ -22,7 +22,7 @@ class LnkGoIE(InfoExtractor):
             'description': 'md5:d82a5e36b775b7048617f263a0e3475e',
             'age_limit': 7,
             'duration': 3019,
-            'thumbnail': 're:^https?://.*\.jpg$'
+            'thumbnail': r're:^https?://.*\.jpg$'
         },
         'params': {
             'skip_download': True,  # HLS download
@@ -37,7 +37,7 @@ class LnkGoIE(InfoExtractor):
             'description': 'md5:7352d113a242a808676ff17e69db6a69',
             'age_limit': 18,
             'duration': 346,
-            'thumbnail': 're:^https?://.*\.jpg$'
+            'thumbnail': r're:^https?://.*\.jpg$'
         },
         'params': {
             'skip_download': True,  # HLS download

youtube_dl/extractor/lynda.py

@@ -73,7 +73,7 @@ class LyndaBaseIE(InfoExtractor):
 
         # Already logged in
         if any(re.search(p, signin_page) for p in (
-                'isLoggedIn\s*:\s*true', r'logout\.aspx', r'>Log out<')):
+                r'isLoggedIn\s*:\s*true', r'logout\.aspx', r'>Log out<')):
             return
 
         # Step 2: submit email

youtube_dl/extractor/matchtv.py

@@ -14,7 +14,7 @@ class MatchTVIE(InfoExtractor):
         'info_dict': {
             'id': 'matchtv-live',
             'ext': 'flv',
-            'title': 're:^Матч ТВ - Прямой эфир \d{4}-\d{2}-\d{2} \d{2}:\d{2}$',
+            'title': r're:^Матч ТВ - Прямой эфир \d{4}-\d{2}-\d{2} \d{2}:\d{2}$',
             'is_live': True,
         },
         'params': {

youtube_dl/extractor/mdr.py

@@ -72,7 +72,7 @@ class MDRIE(InfoExtractor):
 
         data_url = self._search_regex(
             r'(?:dataURL|playerXml(?:["\'])?)\s*:\s*(["\'])(?P<url>.+/(?:video|audio)-?[0-9]+-avCustom\.xml)\1',
-            webpage, 'data url', group='url').replace('\/', '/')
+            webpage, 'data url', group='url').replace(r'\/', '/')
 
         doc = self._download_xml(
             compat_urlparse.urljoin(url, data_url), video_id)

youtube_dl/extractor/meipai.py

@@ -21,7 +21,7 @@ class MeipaiIE(InfoExtractor):
             'ext': 'mp4',
             'title': '#葉子##阿桑##余姿昀##超級女聲#',
             'description': '#葉子##阿桑##余姿昀##超級女聲#',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 152,
             'timestamp': 1465492420,
             'upload_date': '20160609',
@@ -38,7 +38,7 @@ class MeipaiIE(InfoExtractor):
             'ext': 'mp4',
             'title': '姿昀和善願 練歌練琴啦😁😁😁',
             'description': '姿昀和善願 練歌練琴啦😁😁😁',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 5975,
             'timestamp': 1474311799,
             'upload_date': '20160919',

youtube_dl/extractor/melonvod.py

@@ -16,7 +16,7 @@ class MelonVODIE(InfoExtractor):
             'id': '50158734',
             'ext': 'mp4',
             'title': "Jessica 'Wonderland' MV Making Film",
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'artist': 'Jessica (제시카)',
             'upload_date': '20161212',
             'duration': 203,

youtube_dl/extractor/metacafe.py

@@ -133,7 +133,7 @@ class MetacafeIE(InfoExtractor):
         video_id, display_id = re.match(self._VALID_URL, url).groups()
 
         # the video may come from an external site
-        m_external = re.match('^(\w{2})-(.*)$', video_id)
+        m_external = re.match(r'^(\w{2})-(.*)$', video_id)
         if m_external is not None:
             prefix, ext_id = m_external.groups()
             # Check if video comes from YouTube

youtube_dl/extractor/mgoon.py

@@ -27,7 +27,7 @@ class MgoonIE(InfoExtractor):
                 'upload_date': '20131220',
                 'ext': 'mp4',
                 'title': 'md5:543aa4c27a4931d371c3f433e8cebebc',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
             }
         },
         {

youtube_dl/extractor/mgtv.py

@@ -18,7 +18,7 @@ class MGTVIE(InfoExtractor):
             'title': '我是歌手第四季双年巅峰会：韩红李玟“双王”领军对抗',
             'description': '我是歌手第四季双年巅峰会',
             'duration': 7461,
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         },
     }, {
         # no tbr extracted from stream_url

youtube_dl/extractor/minhateca.py

@@ -19,7 +19,7 @@ class MinhatecaIE(InfoExtractor):
             'id': '125848331',
             'ext': 'mp4',
             'title': 'youtube-dl test video',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'filesize_approx': 1530000,
             'duration': 9,
             'view_count': int,

youtube_dl/extractor/ministrygrid.py

@@ -17,7 +17,7 @@ class MinistryGridIE(InfoExtractor):
             'id': '3453494717001',
             'ext': 'mp4',
             'title': 'The Gospel by Numbers',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'upload_date': '20140410',
             'description': 'Coming soon from T4G 2014!',
             'uploader_id': '2034960640001',

youtube_dl/extractor/mitele.py

@@ -90,7 +90,7 @@ class MiTeleIE(InfoExtractor):
             'season_id': 'diario_de_t14_11981',
             'episode': 'Programa 144',
             'episode_number': 3,
-            'thumbnail': 're:(?i)^https?://.*\.jpg$',
+            'thumbnail': r're:(?i)^https?://.*\.jpg$',
             'duration': 2913,
         },
         'add_ie': ['Ooyala'],
@@ -108,7 +108,7 @@ class MiTeleIE(InfoExtractor):
             'season_id': 'cuarto_milenio_t06_12715',
             'episode': 'Programa 226',
             'episode_number': 24,
-            'thumbnail': 're:(?i)^https?://.*\.jpg$',
+            'thumbnail': r're:(?i)^https?://.*\.jpg$',
             'duration': 7313,
         },
         'params': {

youtube_dl/extractor/mixcloud.py

@@ -34,7 +34,7 @@ class MixcloudIE(InfoExtractor):
             'description': 'After quite a long silence from myself, finally another Drum\'n\'Bass mix with my favourite current dance floor bangers.',
             'uploader': 'Daniel Holbach',
             'uploader_id': 'dholbach',
-            'thumbnail': 're:https?://.*\.jpg',
+            'thumbnail': r're:https?://.*\.jpg',
             'view_count': int,
             'like_count': int,
         },

youtube_dl/extractor/mlb.py

@@ -37,7 +37,7 @@ class MLBIE(InfoExtractor):
                 'duration': 66,
                 'timestamp': 1405980600,
                 'upload_date': '20140721',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
             },
         },
         {
@@ -51,7 +51,7 @@ class MLBIE(InfoExtractor):
                 'duration': 46,
                 'timestamp': 1405105800,
                 'upload_date': '20140711',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
             },
         },
         {
@@ -65,7 +65,7 @@ class MLBIE(InfoExtractor):
                 'duration': 488,
                 'timestamp': 1405399936,
                 'upload_date': '20140715',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
             },
         },
         {
@@ -79,7 +79,7 @@ class MLBIE(InfoExtractor):
                 'duration': 52,
                 'timestamp': 1405390722,
                 'upload_date': '20140715',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
             },
         },
         {

youtube_dl/extractor/mnet.py

@@ -22,7 +22,7 @@ class MnetIE(InfoExtractor):
             'timestamp': 1451564040,
             'age_limit': 0,
             'thumbnails': 'mincount:5',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'ext': 'flv',
         },
         'params': {

youtube_dl/extractor/moevideo.py

@@ -30,7 +30,7 @@ class MoeVideoIE(InfoExtractor):
                 'ext': 'flv',
                 'title': 'Sink cut out machine',
                 'description': 'md5:f29ff97b663aefa760bf7ca63c8ca8a8',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
                 'width': 540,
                 'height': 360,
                 'duration': 179,
@@ -46,7 +46,7 @@ class MoeVideoIE(InfoExtractor):
                 'ext': 'flv',
                 'title': 'Operacion Condor.',
                 'description': 'md5:7e68cb2fcda66833d5081c542491a9a3',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
                 'width': 480,
                 'height': 296,
                 'duration': 6027,

youtube_dl/extractor/mofosex.py

@@ -18,7 +18,7 @@ class MofosexIE(KeezMoviesIE):
             'display_id': 'amateur-teen-playing-and-masturbating-318131',
             'ext': 'mp4',
             'title': 'amateur teen playing and masturbating',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'upload_date': '20121114',
             'view_count': int,
             'like_count': int,

youtube_dl/extractor/mojvideo.py

@@ -20,7 +20,7 @@ class MojvideoIE(InfoExtractor):
             'display_id': 'v-avtu-pred-mano-rdecelaska-alfi-nipic',
             'ext': 'mp4',
             'title': 'V avtu pred mano rdečelaska - Alfi Nipič',
-            'thumbnail': 're:^http://.*\.jpg$',
+            'thumbnail': r're:^http://.*\.jpg$',
             'duration': 242,
         }
     }

youtube_dl/extractor/motherless.py

@@ -23,7 +23,7 @@ class MotherlessIE(InfoExtractor):
             'categories': ['Gaming', 'anal', 'reluctant', 'rough', 'Wife'],
             'upload_date': '20100913',
             'uploader_id': 'famouslyfuckedup',
-            'thumbnail': 're:http://.*\.jpg',
+            'thumbnail': r're:http://.*\.jpg',
             'age_limit': 18,
         }
     }, {
@@ -37,7 +37,7 @@ class MotherlessIE(InfoExtractor):
                            'game', 'hairy'],
             'upload_date': '20140622',
             'uploader_id': 'Sulivana7x',
-            'thumbnail': 're:http://.*\.jpg',
+            'thumbnail': r're:http://.*\.jpg',
             'age_limit': 18,
         },
         'skip': '404',
@@ -51,7 +51,7 @@ class MotherlessIE(InfoExtractor):
             'categories': ['superheroine heroine  superher'],
             'upload_date': '20140827',
             'uploader_id': 'shade0230',
-            'thumbnail': 're:http://.*\.jpg',
+            'thumbnail': r're:http://.*\.jpg',
             'age_limit': 18,
         }
     }, {

youtube_dl/extractor/movieclips.py

@@ -20,7 +20,7 @@ class MovieClipsIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Warcraft Trailer 1',
             'description': 'Watch Trailer 1 from Warcraft (2016). Legendary’s WARCRAFT is a 3D epic adventure of world-colliding conflict based.',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'timestamp': 1446843055,
             'upload_date': '20151106',
             'uploader': 'Movieclips',

youtube_dl/extractor/moviezine.py

@@ -16,7 +16,7 @@ class MoviezineIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Oculus - Trailer 1',
             'description': 'md5:40cc6790fc81d931850ca9249b40e8a4',
-            'thumbnail': 're:http://.*\.jpg',
+            'thumbnail': r're:http://.*\.jpg',
         },
     }
 

youtube_dl/extractor/movingimage.py

@@ -18,7 +18,7 @@ class MovingImageIE(InfoExtractor):
             'title': 'SHETLAND WOOL',
             'description': 'md5:c5afca6871ad59b4271e7704fe50ab04',
             'duration': 900,
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         },
     }
 

youtube_dl/extractor/muenchentv.py

@@ -22,7 +22,7 @@ class MuenchenTVIE(InfoExtractor):
             'ext': 'mp4',
             'title': 're:^münchen.tv-Livestream [0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}$',
             'is_live': True,
-            'thumbnail': 're:^https?://.*\.jpg$'
+            'thumbnail': r're:^https?://.*\.jpg$'
         },
         'params': {
             'skip_download': True,

youtube_dl/extractor/mwave.py

@@ -18,7 +18,7 @@ class MwaveIE(InfoExtractor):
             'id': '168859',
             'ext': 'flv',
             'title': '[M COUNTDOWN] SISTAR - SHAKE IT',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'uploader': 'M COUNTDOWN',
             'duration': 206,
             'view_count': int,
@@ -70,7 +70,7 @@ class MwaveMeetGreetIE(InfoExtractor):
             'id': '173294',
             'ext': 'flv',
             'title': '[MEET&GREET] Park BoRam',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'uploader': 'Mwave',
             'duration': 3634,
             'view_count': int,

youtube_dl/extractor/myvi.py

@@ -27,7 +27,7 @@ class MyviIE(SprutoBaseIE):
             'id': 'f16b2bbd-cde8-481c-a981-7cd48605df43',
             'ext': 'mp4',
             'title': 'хозяин жизни',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 25,
         },
     }, {

youtube_dl/extractor/myvideo.py

@@ -160,7 +160,7 @@ class MyVideoIE(InfoExtractor):
         else:
             video_playpath = ''
 
-        video_swfobj = self._search_regex('swfobject.embedSWF\(\'(.+?)\'', webpage, 'swfobj')
+        video_swfobj = self._search_regex(r'swfobject.embedSWF\(\'(.+?)\'', webpage, 'swfobj')
         video_swfobj = compat_urllib_parse_unquote(video_swfobj)
 
         video_title = self._html_search_regex("<h1(?: class='globalHd')?>(.*?)</h1>",

youtube_dl/extractor/nbc.py

@@ -276,7 +276,7 @@ class NBCNewsIE(ThePlatformIE):
                 'ext': 'mp4',
                 'title': 'The chaotic GOP immigration vote',
                 'description': 'The Republican House votes on a border bill that has no chance of getting through the Senate or signed by the President and is drawing criticism from all sides.',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
                 'timestamp': 1406937606,
                 'upload_date': '20140802',
                 'uploader': 'NBCU-NEWS',

youtube_dl/extractor/ndr.py

@@ -302,7 +302,7 @@ class NDREmbedIE(NDREmbedBaseIE):
         'info_dict': {
             'id': 'livestream217',
             'ext': 'flv',
-            'title': 're:^NDR Fernsehen Niedersachsen \d{4}-\d{2}-\d{2} \d{2}:\d{2}$',
+            'title': r're:^NDR Fernsehen Niedersachsen \d{4}-\d{2}-\d{2} \d{2}:\d{2}$',
             'is_live': True,
             'upload_date': '20150910',
         },
@@ -367,7 +367,7 @@ class NJoyEmbedIE(NDREmbedBaseIE):
         'info_dict': {
             'id': 'webradioweltweit100',
             'ext': 'mp3',
-            'title': 're:^N-JOY Weltweit \d{4}-\d{2}-\d{2} \d{2}:\d{2}$',
+            'title': r're:^N-JOY Weltweit \d{4}-\d{2}-\d{2} \d{2}:\d{2}$',
             'is_live': True,
             'uploader': 'njoy',
             'upload_date': '20150810',

youtube_dl/extractor/ndtv.py

@@ -21,7 +21,7 @@ class NDTVIE(InfoExtractor):
             'description': 'md5:ab2d4b4a6056c5cb4caa6d729deabf02',
             'upload_date': '20131208',
             'duration': 1327,
-            'thumbnail': 're:https?://.*\.jpg',
+            'thumbnail': r're:https?://.*\.jpg',
         },
     }
 

youtube_dl/extractor/netzkino.py

@@ -25,7 +25,7 @@ class NetzkinoIE(InfoExtractor):
             'comments': 'mincount:3',
             'description': 'md5:1eddeacc7e62d5a25a2d1a7290c64a28',
             'upload_date': '20120813',
-            'thumbnail': 're:https?://.*\.jpg$',
+            'thumbnail': r're:https?://.*\.jpg$',
             'timestamp': 1344858571,
             'age_limit': 12,
         },

youtube_dl/extractor/nextmedia.py

@@ -15,7 +15,7 @@ class NextMediaIE(InfoExtractor):
             'id': '53109199',
             'ext': 'mp4',
             'title': '【佔領金鐘】50外國領事議員撐場 讚學生勇敢香港有希望',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'description': 'md5:28222b9912b6665a21011b034c70fcc7',
             'timestamp': 1415456273,
             'upload_date': '20141108',
@@ -76,7 +76,7 @@ class NextMediaActionNewsIE(NextMediaIE):
             'id': '19009428',
             'ext': 'mp4',
             'title': '【壹週刊】細10年男友偷食　50歲邵美琪再失戀',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'description': 'md5:cd802fad1f40fd9ea178c1e2af02d659',
             'timestamp': 1421791200,
             'upload_date': '20150120',
@@ -101,7 +101,7 @@ class AppleDailyIE(NextMediaIE):
             'id': '36354694',
             'ext': 'mp4',
             'title': '周亭羽走過摩鐵陰霾2男陪吃 九把刀孤寒看醫生',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'description': 'md5:2acd430e59956dc47cd7f67cb3c003f4',
             'upload_date': '20150128',
         }
@@ -112,7 +112,7 @@ class AppleDailyIE(NextMediaIE):
             'id': '550549',
             'ext': 'mp4',
             'title': '不滿被踩腳　山東兩大媽一路打下車',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'description': 'md5:175b4260c1d7c085993474217e4ab1b4',
             'upload_date': '20150128',
         }
@@ -123,7 +123,7 @@ class AppleDailyIE(NextMediaIE):
             'id': '5003671',
             'ext': 'mp4',
             'title': '20正妹熱舞　《刀龍傳說Online》火辣上市',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'description': 'md5:23c0aac567dc08c9c16a3161a2c2e3cd',
             'upload_date': '20150128',
         },
@@ -150,7 +150,7 @@ class AppleDailyIE(NextMediaIE):
             'id': '35770334',
             'ext': 'mp4',
             'title': '咖啡占卜測 XU裝熟指數',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'description': 'md5:7b859991a6a4fedbdf3dd3b66545c748',
             'upload_date': '20140417',
         },

youtube_dl/extractor/nfl.py

@@ -72,7 +72,7 @@ class NFLIE(InfoExtractor):
             'description': 'md5:56323bfb0ac4ee5ab24bd05fdf3bf478',
             'upload_date': '20140921',
             'timestamp': 1411337580,
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         }
     }, {
         'url': 'http://prod.www.steelers.clubs.nfl.com/video-and-audio/videos/LIVE_Post_Game_vs_Browns/9d72f26a-9e2b-4718-84d3-09fb4046c266',
@@ -84,7 +84,7 @@ class NFLIE(InfoExtractor):
             'description': 'md5:6a97f7e5ebeb4c0e69a418a89e0636e8',
             'upload_date': '20131229',
             'timestamp': 1388354455,
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         }
     }, {
         'url': 'http://www.nfl.com/news/story/0ap3000000467586/article/patriots-seahawks-involved-in-lategame-skirmish',

youtube_dl/extractor/nosvideo.py

@@ -17,7 +17,7 @@ _x = lambda p: xpath_with_ns(p, {'xspf': 'http://xspf.org/ns/0/'})
 
 class NosVideoIE(InfoExtractor):
     _VALID_URL = r'https?://(?:www\.)?nosvideo\.com/' + \
-                 '(?:embed/|\?v=)(?P<id>[A-Za-z0-9]{12})/?'
+                 r'(?:embed/|\?v=)(?P<id>[A-Za-z0-9]{12})/?'
     _PLAYLIST_URL = 'http://nosvideo.com/xml/{xml_id:s}.xml'
     _FILE_DELETED_REGEX = r'<b>File Not Found</b>'
     _TEST = {
@@ -27,7 +27,7 @@ class NosVideoIE(InfoExtractor):
             'id': 'mu8fle7g7rpq',
             'ext': 'mp4',
             'title': 'big_buck_bunny_480p_surround-fix.avi.mp4',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         }
     }
 

youtube_dl/extractor/nova.py

@@ -21,7 +21,7 @@ class NovaIE(InfoExtractor):
             'ext': 'flv',
             'title': 'Duel: Michal Hrdlička a Petr Suchoň',
             'description': 'md5:d0cc509858eee1b1374111c588c6f5d5',
-            'thumbnail': 're:^https?://.*\.(?:jpg)',
+            'thumbnail': r're:^https?://.*\.(?:jpg)',
         },
         'params': {
             # rtmp download
@@ -36,7 +36,7 @@ class NovaIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Podzemní nemocnice v pražské Krči',
             'description': 'md5:f0a42dd239c26f61c28f19e62d20ef53',
-            'thumbnail': 're:^https?://.*\.(?:jpg)',
+            'thumbnail': r're:^https?://.*\.(?:jpg)',
         }
     }, {
         'url': 'http://novaplus.nova.cz/porad/policie-modrava/video/5591-policie-modrava-15-dil-blondynka-na-hrbitove',
@@ -46,7 +46,7 @@ class NovaIE(InfoExtractor):
             'ext': 'flv',
             'title': 'Policie Modrava - 15. díl - Blondýnka na hřbitově',
             'description': 'md5:dc24e50be5908df83348e50d1431295e',  # Make sure this description is clean of html tags
-            'thumbnail': 're:^https?://.*\.(?:jpg)',
+            'thumbnail': r're:^https?://.*\.(?:jpg)',
         },
         'params': {
             # rtmp download
@@ -58,7 +58,7 @@ class NovaIE(InfoExtractor):
             'id': '1756858',
             'ext': 'flv',
             'title': 'Televizní noviny - 30. 5. 2015',
-            'thumbnail': 're:^https?://.*\.(?:jpg)',
+            'thumbnail': r're:^https?://.*\.(?:jpg)',
             'upload_date': '20150530',
         },
         'params': {
@@ -72,7 +72,7 @@ class NovaIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Zaklínač 3: Divoký hon',
             'description': 're:.*Pokud se stejně jako my nemůžete.*',
-            'thumbnail': 're:https?://.*\.jpg(\?.*)?',
+            'thumbnail': r're:https?://.*\.jpg(\?.*)?',
             'upload_date': '20150521',
         },
         'params': {

youtube_dl/extractor/novamov.py

@@ -24,7 +24,7 @@ class NovaMovIE(InfoExtractor):
                                 )
                                 (?P<id>[a-z\d]{13})
                             '''
-    _VALID_URL = _VALID_URL_TEMPLATE % {'host': 'novamov\.com'}
+    _VALID_URL = _VALID_URL_TEMPLATE % {'host': r'novamov\.com'}
 
     _HOST = 'www.novamov.com'
 
@@ -104,7 +104,7 @@ class WholeCloudIE(NovaMovIE):
     IE_NAME = 'wholecloud'
     IE_DESC = 'WholeCloud'
 
-    _VALID_URL = NovaMovIE._VALID_URL_TEMPLATE % {'host': '(?:wholecloud\.net|movshare\.(?:net|sx|ag))'}
+    _VALID_URL = NovaMovIE._VALID_URL_TEMPLATE % {'host': r'(?:wholecloud\.net|movshare\.(?:net|sx|ag))'}
 
     _HOST = 'www.wholecloud.net'
 
@@ -128,7 +128,7 @@ class NowVideoIE(NovaMovIE):
     IE_NAME = 'nowvideo'
     IE_DESC = 'NowVideo'
 
-    _VALID_URL = NovaMovIE._VALID_URL_TEMPLATE % {'host': 'nowvideo\.(?:to|ch|ec|sx|eu|at|ag|co|li)'}
+    _VALID_URL = NovaMovIE._VALID_URL_TEMPLATE % {'host': r'nowvideo\.(?:to|ch|ec|sx|eu|at|ag|co|li)'}
 
     _HOST = 'www.nowvideo.to'
 
@@ -152,7 +152,7 @@ class VideoWeedIE(NovaMovIE):
     IE_NAME = 'videoweed'
     IE_DESC = 'VideoWeed'
 
-    _VALID_URL = NovaMovIE._VALID_URL_TEMPLATE % {'host': 'videoweed\.(?:es|com)'}
+    _VALID_URL = NovaMovIE._VALID_URL_TEMPLATE % {'host': r'videoweed\.(?:es|com)'}
 
     _HOST = 'www.videoweed.es'
 
@@ -176,7 +176,7 @@ class CloudTimeIE(NovaMovIE):
     IE_NAME = 'cloudtime'
     IE_DESC = 'CloudTime'
 
-    _VALID_URL = NovaMovIE._VALID_URL_TEMPLATE % {'host': 'cloudtime\.to'}
+    _VALID_URL = NovaMovIE._VALID_URL_TEMPLATE % {'host': r'cloudtime\.to'}
 
     _HOST = 'www.cloudtime.to'
 
@@ -190,7 +190,7 @@ class AuroraVidIE(NovaMovIE):
     IE_NAME = 'auroravid'
     IE_DESC = 'AuroraVid'
 
-    _VALID_URL = NovaMovIE._VALID_URL_TEMPLATE % {'host': 'auroravid\.to'}
+    _VALID_URL = NovaMovIE._VALID_URL_TEMPLATE % {'host': r'auroravid\.to'}
 
     _HOST = 'www.auroravid.to'
 

youtube_dl/extractor/nowness.py

@@ -62,7 +62,7 @@ class NownessIE(NownessBaseIE):
             'ext': 'mp4',
             'title': 'Candor: The Art of Gesticulation',
             'description': 'Candor: The Art of Gesticulation',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'timestamp': 1446745676,
             'upload_date': '20151105',
             'uploader_id': '2385340575001',
@@ -76,7 +76,7 @@ class NownessIE(NownessBaseIE):
             'ext': 'mp4',
             'title': 'Kasper Bjørke ft. Jaakko Eino Kalevi: TNR',
             'description': 'Kasper Bjørke ft. Jaakko Eino Kalevi: TNR',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'timestamp': 1407315371,
             'upload_date': '20140806',
             'uploader_id': '2385340575001',
@@ -91,7 +91,7 @@ class NownessIE(NownessBaseIE):
             'ext': 'mp4',
             'title': 'Bleu, Blanc, Rouge - A Godard Supercut',
             'description': 'md5:f0ea5f1857dffca02dbd37875d742cec',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'upload_date': '20150607',
             'uploader': 'Cinema Sem Lei',
             'uploader_id': 'cinemasemlei',

youtube_dl/extractor/nowtv.py

@@ -83,7 +83,7 @@ class NowTVIE(NowTVBaseIE):
             'ext': 'flv',
             'title': 'Inka Bause stellt die neuen Bauern vor',
             'description': 'md5:e234e1ed6d63cf06be5c070442612e7e',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'timestamp': 1432580700,
             'upload_date': '20150525',
             'duration': 2786,
@@ -101,7 +101,7 @@ class NowTVIE(NowTVBaseIE):
             'ext': 'flv',
             'title': 'Berlin - Tag & Nacht (Folge 934)',
             'description': 'md5:c85e88c2e36c552dfe63433bc9506dd0',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'timestamp': 1432666800,
             'upload_date': '20150526',
             'duration': 2641,
@@ -119,7 +119,7 @@ class NowTVIE(NowTVBaseIE):
             'ext': 'flv',
             'title': 'Hals- und Beinbruch',
             'description': 'md5:b50d248efffe244e6f56737f0911ca57',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'timestamp': 1432415400,
             'upload_date': '20150523',
             'duration': 2742,
@@ -137,7 +137,7 @@ class NowTVIE(NowTVBaseIE):
             'ext': 'flv',
             'title': 'Angst!',
             'description': 'md5:30cbc4c0b73ec98bcd73c9f2a8c17c4e',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'timestamp': 1222632900,
             'upload_date': '20080928',
             'duration': 3025,
@@ -155,7 +155,7 @@ class NowTVIE(NowTVBaseIE):
             'ext': 'flv',
             'title': 'Thema u.a.: Der erste Blick: Die Apple Watch',
             'description': 'md5:4312b6c9d839ffe7d8caf03865a531af',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'timestamp': 1432751700,
             'upload_date': '20150527',
             'duration': 1083,
@@ -173,7 +173,7 @@ class NowTVIE(NowTVBaseIE):
             'ext': 'flv',
             'title': "Büro-Fall / Chihuahua 'Joel'",
             'description': 'md5:e62cb6bf7c3cc669179d4f1eb279ad8d',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'timestamp': 1432408200,
             'upload_date': '20150523',
             'duration': 3092,

youtube_dl/extractor/noz.py

@@ -24,7 +24,7 @@ class NozIE(InfoExtractor):
             'duration': 215,
             'title': '3:2 - Deutschland gewinnt Badminton-Länderspiel in Melle',
             'description': 'Vor rund 370 Zuschauern gewinnt die deutsche Badminton-Nationalmannschaft am Donnerstag ein EM-Vorbereitungsspiel gegen Frankreich in Melle. Video Moritz Frankenberg.',
-            'thumbnail': 're:^http://.*\.jpg',
+            'thumbnail': r're:^http://.*\.jpg',
         },
     }]
 

youtube_dl/extractor/ntvde.py

@@ -22,7 +22,7 @@ class NTVDeIE(InfoExtractor):
         'info_dict': {
             'id': '14438086',
             'ext': 'mp4',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'title': 'Schnee und Glätte führen zu zahlreichen Unfällen und Staus',
             'alt_title': 'Winterchaos auf deutschen Straßen',
             'description': 'Schnee und Glätte sorgen deutschlandweit für einen chaotischen Start in die Woche: Auf den Straßen kommt es zu kilometerlangen Staus und Dutzenden Glätteunfällen. In Düsseldorf und München wirbelt der Schnee zudem den Flugplan durcheinander. Dutzende Flüge landen zu spät, einige fallen ganz aus.',

youtube_dl/extractor/ntvru.py

@@ -21,7 +21,7 @@ class NTVRuIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Командующий Черноморским флотом провел переговоры в штабе ВМС Украины',
             'description': 'Командующий Черноморским флотом провел переговоры в штабе ВМС Украины',
-            'thumbnail': 're:^http://.*\.jpg',
+            'thumbnail': r're:^http://.*\.jpg',
             'duration': 136,
         },
     }, {
@@ -32,7 +32,7 @@ class NTVRuIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Родные пассажиров пропавшего Boeing не верят в трагический исход',
             'description': 'Родные пассажиров пропавшего Boeing не верят в трагический исход',
-            'thumbnail': 're:^http://.*\.jpg',
+            'thumbnail': r're:^http://.*\.jpg',
             'duration': 172,
         },
     }, {
@@ -43,7 +43,7 @@ class NTVRuIE(InfoExtractor):
             'ext': 'mp4',
             'title': '«Сегодня». 21 марта 2014 года. 16:00',
             'description': '«Сегодня». 21 марта 2014 года. 16:00',
-            'thumbnail': 're:^http://.*\.jpg',
+            'thumbnail': r're:^http://.*\.jpg',
             'duration': 1496,
         },
     }, {
@@ -54,7 +54,7 @@ class NTVRuIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Остросюжетный фильм «Кома»',
             'description': 'Остросюжетный фильм «Кома»',
-            'thumbnail': 're:^http://.*\.jpg',
+            'thumbnail': r're:^http://.*\.jpg',
             'duration': 5592,
         },
     }, {
@@ -65,7 +65,7 @@ class NTVRuIE(InfoExtractor):
             'ext': 'mp4',
             'title': '«Дело врачей»: «Деревце жизни»',
             'description': '«Дело врачей»: «Деревце жизни»',
-            'thumbnail': 're:^http://.*\.jpg',
+            'thumbnail': r're:^http://.*\.jpg',
             'duration': 2590,
         },
     }]

youtube_dl/extractor/oktoberfesttv.py

@@ -13,7 +13,7 @@ class OktoberfestTVIE(InfoExtractor):
             'id': 'hb-zelt',
             'ext': 'mp4',
             'title': 're:^Live-Kamera: Hofbräuzelt [0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}$',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'is_live': True,
         },
         'params': {

youtube_dl/extractor/ondemandkorea.py

@@ -16,7 +16,7 @@ class OnDemandKoreaIE(JWPlatformBaseIE):
             'id': 'ask-us-anything-e43',
             'ext': 'mp4',
             'title': 'Ask Us Anything : E43',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         },
         'params': {
             'skip_download': 'm3u8 download'

youtube_dl/extractor/onionstudios.py

@@ -22,7 +22,7 @@ class OnionStudiosIE(InfoExtractor):
             'id': '2937',
             'ext': 'mp4',
             'title': 'Hannibal charges forward, stops for a cocktail',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'uploader': 'The A.V. Club',
             'uploader_id': 'the-av-club',
         },

youtube_dl/extractor/openload.py

@@ -19,7 +19,7 @@ class OpenloadIE(InfoExtractor):
             'id': 'kUEfGclsU9o',
             'ext': 'mp4',
             'title': 'skyrim_no-audio_1080.mp4',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         },
     }, {
         'url': 'https://openload.co/embed/rjC09fkPLYs',
@@ -27,7 +27,7 @@ class OpenloadIE(InfoExtractor):
             'id': 'rjC09fkPLYs',
             'ext': 'mp4',
             'title': 'movie.mp4',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'subtitles': {
                 'en': [{
                     'ext': 'vtt',

youtube_dl/extractor/orf.py

@@ -247,7 +247,7 @@ class ORFIPTVIE(InfoExtractor):
             'title': 'Weitere Evakuierungen um Vulkan Calbuco',
             'description': 'md5:d689c959bdbcf04efeddedbf2299d633',
             'duration': 68.197,
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'upload_date': '20150425',
         },
     }

youtube_dl/extractor/pandoratv.py

@@ -26,7 +26,7 @@ class PandoraTVIE(InfoExtractor):
             'ext': 'flv',
             'title': '頭を撫でてくれる？',
             'description': '頭を撫でてくれる？',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 39,
             'upload_date': '20151218',
             'uploader': 'カワイイ動物まとめ',

youtube_dl/extractor/pbs.py

@@ -236,7 +236,7 @@ class PBSIE(InfoExtractor):
                 'title': 'Great Performances - Dudamel Conducts Verdi Requiem at the Hollywood Bowl - Full',
                 'description': 'md5:657897370e09e2bc6bf0f8d2cd313c6b',
                 'duration': 6559,
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
             },
         },
         {
@@ -249,7 +249,7 @@ class PBSIE(InfoExtractor):
                 'description': 'md5:c741d14e979fc53228c575894094f157',
                 'title': 'NOVA - Killer Typhoon',
                 'duration': 3172,
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
                 'upload_date': '20140122',
                 'age_limit': 10,
             },
@@ -270,7 +270,7 @@ class PBSIE(InfoExtractor):
                 'title': 'American Experience - Death and the Civil War, Chapter 1',
                 'description': 'md5:67fa89a9402e2ee7d08f53b920674c18',
                 'duration': 682,
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
             },
             'params': {
                 'skip_download': True,  # requires ffmpeg
@@ -286,7 +286,7 @@ class PBSIE(InfoExtractor):
                 'title': 'FRONTLINE - United States of Secrets (Part One)',
                 'description': 'md5:55756bd5c551519cc4b7703e373e217e',
                 'duration': 6851,
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
             },
         },
         {
@@ -302,7 +302,7 @@ class PBSIE(InfoExtractor):
                 'title': "A Chef's Life - Season 3, Ep. 5: Prickly Business",
                 'description': 'md5:c0ff7475a4b70261c7e58f493c2792a5',
                 'duration': 1480,
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
             },
         },
         {
@@ -315,7 +315,7 @@ class PBSIE(InfoExtractor):
                 'title': 'FRONTLINE - The Atomic Artists',
                 'description': 'md5:f677e4520cfacb4a5ce1471e31b57800',
                 'duration': 723,
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
             },
             'params': {
                 'skip_download': True,  # requires ffmpeg
@@ -330,7 +330,7 @@ class PBSIE(InfoExtractor):
                 'ext': 'mp4',
                 'title': 'FRONTLINE - Netanyahu at War',
                 'duration': 6852,
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
                 'formats': 'mincount:8',
             },
         },
@@ -568,7 +568,7 @@ class PBSIE(InfoExtractor):
         # Try turning it to 'program - title' naming scheme if possible
         alt_title = info.get('program', {}).get('title')
         if alt_title:
-            info['title'] = alt_title + ' - ' + re.sub(r'^' + alt_title + '[\s\-:]+', '', info['title'])
+            info['title'] = alt_title + ' - ' + re.sub(r'^' + alt_title + r'[\s\-:]+', '', info['title'])
 
         description = info.get('description') or info.get(
             'program', {}).get('description') or description

youtube_dl/extractor/people.py

@@ -14,7 +14,7 @@ class PeopleIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Astronaut Love Triangle Victim Speaks Out: “The Crime in 2007 Hasn’t Defined Us”',
             'description': 'Colleen Shipman speaks to PEOPLE for the first time about life after the attack',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'duration': 246.318,
             'timestamp': 1458720585,
             'upload_date': '20160323',

youtube_dl/extractor/pinkbike.py

@@ -23,7 +23,7 @@ class PinkbikeIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Brandon Semenuk - RAW 100',
             'description': 'Official release: www.redbull.ca/rupertwalker',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 100,
             'upload_date': '20150406',
             'uploader': 'revelco',

youtube_dl/extractor/pladform.py

@@ -34,7 +34,7 @@ class PladformIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Тайны перевала Дятлова • 1 серия 2 часть',
             'description': 'Документальный сериал-расследование одной из самых жутких тайн ХХ века',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 694,
             'age_limit': 0,
         },

youtube_dl/extractor/playtvak.py

@@ -25,7 +25,7 @@ class PlaytvakIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Vyžeňte vosy a sršně ze zahrady',
             'description': 'md5:f93d398691044d303bc4a3de62f3e976',
-            'thumbnail': 're:(?i)^https?://.*\.(?:jpg|png)$',
+            'thumbnail': r're:(?i)^https?://.*\.(?:jpg|png)$',
             'duration': 279,
             'timestamp': 1438732860,
             'upload_date': '20150805',
@@ -38,7 +38,7 @@ class PlaytvakIE(InfoExtractor):
             'ext': 'flv',
             'title': 're:^Přímý přenos iDNES.cz [0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}$',
             'description': 'Sledujte provoz na ranveji Letiště Václava Havla v Praze',
-            'thumbnail': 're:(?i)^https?://.*\.(?:jpg|png)$',
+            'thumbnail': r're:(?i)^https?://.*\.(?:jpg|png)$',
             'is_live': True,
         },
         'params': {
@@ -52,7 +52,7 @@ class PlaytvakIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Zavřeli jsme mraženou pizzu do auta. Upekla se',
             'description': 'md5:01e73f02329e2e5760bd5eed4d42e3c2',
-            'thumbnail': 're:(?i)^https?://.*\.(?:jpg|png)$',
+            'thumbnail': r're:(?i)^https?://.*\.(?:jpg|png)$',
             'duration': 39,
             'timestamp': 1438969140,
             'upload_date': '20150807',
@@ -66,7 +66,7 @@ class PlaytvakIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Táhni! Demonstrace proti imigrantům budila emoce',
             'description': 'md5:97c81d589a9491fbfa323c9fa3cca72c',
-            'thumbnail': 're:(?i)^https?://.*\.(?:jpg|png)$',
+            'thumbnail': r're:(?i)^https?://.*\.(?:jpg|png)$',
             'timestamp': 1439052180,
             'upload_date': '20150808',
             'is_live': False,
@@ -79,7 +79,7 @@ class PlaytvakIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Recesisté udělali z billboardu kolotoč',
             'description': 'md5:7369926049588c3989a66c9c1a043c4c',
-            'thumbnail': 're:(?i)^https?://.*\.(?:jpg|png)$',
+            'thumbnail': r're:(?i)^https?://.*\.(?:jpg|png)$',
             'timestamp': 1415725500,
             'upload_date': '20141111',
             'is_live': False,

youtube_dl/extractor/playvid.py

@@ -34,7 +34,7 @@ class PlayvidIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Ellen Euro Cutie Blond Takes a Sexy Survey Get Facial in The Park',
             'age_limit': 18,
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         },
     }]
 

youtube_dl/extractor/playwire.py

@@ -18,7 +18,7 @@ class PlaywireIE(InfoExtractor):
             'id': '3353705',
             'ext': 'mp4',
             'title': 'S04_RM_UCL_Rus',
-            'thumbnail': 're:^https?://.*\.png$',
+            'thumbnail': r're:^https?://.*\.png$',
             'duration': 145.94,
         },
     }, {

youtube_dl/extractor/polskieradio.py

@@ -36,7 +36,7 @@ class PolskieRadioIE(InfoExtractor):
                 'timestamp': 1456594200,
                 'upload_date': '20160227',
                 'duration': 2364,
-                'thumbnail': 're:^https?://static\.prsa\.pl/images/.*\.jpg$'
+                'thumbnail': r're:^https?://static\.prsa\.pl/images/.*\.jpg$'
             },
         }],
     }, {

youtube_dl/extractor/porncom.py

@@ -22,7 +22,7 @@ class PornComIE(InfoExtractor):
             'display_id': 'teen-grabs-a-dildo-and-fucks-her-pussy-live-on-1hottie-i-rec',
             'ext': 'mp4',
             'title': 'Teen grabs a dildo and fucks her pussy live on 1hottie, I rec',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 551,
             'view_count': int,
             'age_limit': 18,

youtube_dl/extractor/pornhd.py

@@ -21,7 +21,7 @@ class PornHdIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Restroom selfie masturbation',
             'description': 'md5:3748420395e03e31ac96857a8f125b2b',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'view_count': int,
             'age_limit': 18,
         }
@@ -35,7 +35,7 @@ class PornHdIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Sierra loves doing laundry',
             'description': 'md5:8ff0523848ac2b8f9b065ba781ccf294',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'view_count': int,
             'age_limit': 18,
         },

youtube_dl/extractor/pornotube.py

@@ -19,7 +19,7 @@ class PornotubeIE(InfoExtractor):
             'description': 'md5:a8304bef7ef06cb4ab476ca6029b01b0',
             'categories': ['Adult Humor', 'Blondes'],
             'uploader': 'Alpha Blue Archives',
-            'thumbnail': 're:^https?://.*\\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'timestamp': 1417582800,
             'age_limit': 18,
         }

youtube_dl/extractor/pornovoisines.py

@@ -23,7 +23,7 @@ class PornoVoisinesIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Recherche appartement',
             'description': 'md5:fe10cb92ae2dd3ed94bb4080d11ff493',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'upload_date': '20140925',
             'duration': 120,
             'view_count': int,

youtube_dl/extractor/pornoxo.py

@@ -20,7 +20,7 @@ class PornoXOIE(JWPlatformBaseIE):
             'display_id': 'striptease-from-sexy-secretary',
             'description': 'md5:0ee35252b685b3883f4a1d38332f9980',
             'categories': list,  # NSFW
-            'thumbnail': 're:https?://.*\.jpg$',
+            'thumbnail': r're:https?://.*\.jpg$',
             'age_limit': 18,
         }
     }

youtube_dl/extractor/presstv.py

@@ -19,7 +19,7 @@ class PressTVIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Organic mattresses used to clean waste water',
             'upload_date': '20160409',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'description': 'md5:20002e654bbafb6908395a5c0cfcd125'
         }
     }

youtube_dl/extractor/promptfile.py

@@ -20,7 +20,7 @@ class PromptFileIE(InfoExtractor):
             'id': '86D1CE8462-576CAAE416',
             'ext': 'mp4',
             'title': 'oceans.mp4',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         }
     }
 

youtube_dl/extractor/prosiebensat1.py

@@ -394,7 +394,7 @@ class ProSiebenSat1IE(ProSiebenSat1BaseIE):
             self._PLAYLIST_ID_REGEXES, webpage, 'playlist id')
         playlist = self._parse_json(
             self._search_regex(
-                'var\s+contentResources\s*=\s*(\[.+?\]);\s*</script',
+                r'var\s+contentResources\s*=\s*(\[.+?\]);\s*</script',
                 webpage, 'playlist'),
             playlist_id)
         entries = []

youtube_dl/extractor/qqmusic.py

@@ -29,7 +29,7 @@ class QQMusicIE(InfoExtractor):
             'release_date': '20141227',
             'creator': '林俊杰',
             'description': 'md5:d327722d0361576fde558f1ac68a7065',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         }
     }, {
         'note': 'There is no mp3-320 version of this song.',
@@ -42,7 +42,7 @@ class QQMusicIE(InfoExtractor):
             'release_date': '20050626',
             'creator': '李季美',
             'description': 'md5:46857d5ed62bc4ba84607a805dccf437',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         }
     }, {
         'note': 'lyrics not in .lrc format',
@@ -54,7 +54,7 @@ class QQMusicIE(InfoExtractor):
             'release_date': '19970225',
             'creator': 'Dark Funeral',
             'description': 'md5:ed14d5bd7ecec19609108052c25b2c11',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         },
         'params': {
             'skip_download': True,

youtube_dl/extractor/r7.py

@@ -23,7 +23,7 @@ class R7IE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Policiais humilham suspeito à beira da morte: "Morre com dignidade"',
             'description': 'md5:01812008664be76a6479aa58ec865b72',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 98,
             'like_count': int,
             'view_count': int,

youtube_dl/extractor/radiobremen.py

@@ -20,7 +20,7 @@ class RadioBremenIE(InfoExtractor):
             'duration': 178,
             'width': 512,
             'title': 'Druck auf Patrick Öztürk',
-            'thumbnail': 're:https?://.*\.jpg$',
+            'thumbnail': r're:https?://.*\.jpg$',
             'description': 'Gegen den SPD-Bürgerschaftsabgeordneten Patrick Öztürk wird wegen Beihilfe zum gewerbsmäßigen Betrug ermittelt. Am Donnerstagabend sollte er dem Vorstand des SPD-Unterbezirks Bremerhaven dazu Rede und Antwort stehen.',
         },
     }

youtube_dl/extractor/radiode.py

@@ -13,7 +13,7 @@ class RadioDeIE(InfoExtractor):
             'ext': 'mp3',
             'title': 're:^NDR 2 [0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}$',
             'description': 'md5:591c49c702db1a33751625ebfb67f273',
-            'thumbnail': 're:^https?://.*\.png',
+            'thumbnail': r're:^https?://.*\.png',
             'is_live': True,
         },
         'params': {

youtube_dl/extractor/radiojavan.py

@@ -18,7 +18,7 @@ class RadioJavanIE(InfoExtractor):
             'id': 'chaartaar-ashoobam',
             'ext': 'mp4',
             'title': 'Chaartaar - Ashoobam',
-            'thumbnail': 're:^https?://.*\.jpe?g$',
+            'thumbnail': r're:^https?://.*\.jpe?g$',
             'upload_date': '20150215',
             'view_count': int,
             'like_count': int,

youtube_dl/extractor/rai.py

@@ -120,7 +120,7 @@ class RaiTVIE(RaiBaseIE):
                 'description': 'md5:f27c544694cacb46a078db84ec35d2d9',
                 'upload_date': '20140407',
                 'duration': 6160,
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
             }
         },
         {
@@ -133,7 +133,7 @@ class RaiTVIE(RaiBaseIE):
                 'title': 'TG PRIMO TEMPO',
                 'upload_date': '20140612',
                 'duration': 1758,
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
             },
             'skip': 'Geo-restricted to Italy',
         },
@@ -169,7 +169,7 @@ class RaiTVIE(RaiBaseIE):
                 'description': 'md5:364b604f7db50594678f483353164fb8',
                 'upload_date': '20140923',
                 'duration': 386,
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
             }
         },
     ]

youtube_dl/extractor/rbmaradio.py

@@ -22,7 +22,7 @@ class RBMARadioIE(InfoExtractor):
             'ext': 'mp3',
             'title': 'Main Stage - Ford & Lopatin',
             'description': 'md5:4f340fb48426423530af5a9d87bd7b91',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'duration': 2452,
             'timestamp': 1307103164,
             'upload_date': '20110603',

youtube_dl/extractor/reuters.py

@@ -32,7 +32,7 @@ class ReutersIE(InfoExtractor):
             webpage, 'video data'))
 
         def get_json_value(key, fatal=False):
-            return self._search_regex('"%s"\s*:\s*"([^"]+)"' % key, video_data, key, fatal=fatal)
+            return self._search_regex(r'"%s"\s*:\s*"([^"]+)"' % key, video_data, key, fatal=fatal)
 
         title = unescapeHTML(get_json_value('title', fatal=True))
         mmid, fid = re.search(r',/(\d+)\?f=(\d+)', get_json_value('flv', fatal=True)).groups()

youtube_dl/extractor/reverbnation.py

@@ -18,7 +18,7 @@ class ReverbNationIE(InfoExtractor):
             'title': 'MONA LISA',
             'uploader': 'ALKILADOS',
             'uploader_id': '216429',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
         },
     }]
 

youtube_dl/extractor/ro220.py

@@ -14,7 +14,7 @@ class Ro220IE(InfoExtractor):
             'id': 'LYV6doKo7f',
             'ext': 'mp4',
             'title': 'Luati-le Banii sez 4 ep 1',
-            'description': 're:^Iata-ne reveniti dupa o binemeritata vacanta\. +Va astept si pe Facebook cu pareri si comentarii.$',
+            'description': r're:^Iata-ne reveniti dupa o binemeritata vacanta\. +Va astept si pe Facebook cu pareri si comentarii.$',
         }
     }
 

youtube_dl/extractor/rockstargames.py

@@ -18,7 +18,7 @@ class RockstarGamesIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Further Adventures in Finance and Felony Trailer',
             'description': 'md5:6d31f55f30cb101b5476c4a379e324a3',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'timestamp': 1464876000,
             'upload_date': '20160602',
         }

youtube_dl/extractor/roosterteeth.py

@@ -26,7 +26,7 @@ class RoosterTeethIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Million Dollars, But...: Million Dollars, But... The Game Announcement',
             'description': 'md5:0cc3b21986d54ed815f5faeccd9a9ca5',
-            'thumbnail': 're:^https?://.*\.png$',
+            'thumbnail': r're:^https?://.*\.png$',
             'series': 'Million Dollars, But...',
             'episode': 'Million Dollars, But... The Game Announcement',
             'comment_count': int,

youtube_dl/extractor/rottentomatoes.py

@@ -14,7 +14,7 @@ class RottenTomatoesIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Toy Story 3',
             'description': 'From the creators of the beloved TOY STORY films, comes a story that will reunite the gang in a whole new way.',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         },
     }
 

youtube_dl/extractor/rte.py

@@ -89,7 +89,7 @@ class RteIE(RteBaseIE):
             'id': '10478715',
             'ext': 'mp4',
             'title': 'iWitness',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'description': 'The spirit of Ireland, one voice and one minute at a time.',
             'duration': 60.046,
             'upload_date': '20151012',
@@ -116,7 +116,7 @@ class RteRadioIE(RteBaseIE):
             'id': '10507902',
             'ext': 'mp4',
             'title': 'Gloria',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'description': 'md5:9ce124a7fb41559ec68f06387cabddf0',
             'timestamp': 1451203200,
             'upload_date': '20151227',
@@ -129,7 +129,7 @@ class RteRadioIE(RteBaseIE):
             'id': '3250678',
             'ext': 'flv',
             'title': 'The Lyric Concert with Paul Herriott',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'description': '',
             'timestamp': 1333742400,
             'upload_date': '20120406',

youtube_dl/extractor/rtlnl.py

@@ -40,7 +40,7 @@ class RtlNlIE(InfoExtractor):
             'ext': 'mp4',
             'timestamp': 1424039400,
             'title': 'RTL Nieuws - Nieuwe beelden Kopenhagen: chaos direct na aanslag',
-            'thumbnail': 're:^https?://screenshots\.rtl\.nl/(?:[^/]+/)*sz=[0-9]+x[0-9]+/uuid=84ae5571-ac25-4225-ae0c-ef8d9efb2aed$',
+            'thumbnail': r're:^https?://screenshots\.rtl\.nl/(?:[^/]+/)*sz=[0-9]+x[0-9]+/uuid=84ae5571-ac25-4225-ae0c-ef8d9efb2aed$',
             'upload_date': '20150215',
             'description': 'Er zijn nieuwe beelden vrijgegeven die vlak na de aanslag in Kopenhagen zijn gemaakt. Op de video is goed te zien hoe omstanders zich bekommeren om één van de slachtoffers, terwijl de eerste agenten ter plaatse komen.',
         }
@@ -52,7 +52,7 @@ class RtlNlIE(InfoExtractor):
             'id': 'f536aac0-1dc3-4314-920e-3bd1c5b3811a',
             'ext': 'mp4',
             'title': 'RTL Nieuws - Meer beelden van overval juwelier',
-            'thumbnail': 're:^https?://screenshots\.rtl\.nl/(?:[^/]+/)*sz=[0-9]+x[0-9]+/uuid=f536aac0-1dc3-4314-920e-3bd1c5b3811a$',
+            'thumbnail': r're:^https?://screenshots\.rtl\.nl/(?:[^/]+/)*sz=[0-9]+x[0-9]+/uuid=f536aac0-1dc3-4314-920e-3bd1c5b3811a$',
             'timestamp': 1437233400,
             'upload_date': '20150718',
             'duration': 30.474,

youtube_dl/extractor/rtp.py

@@ -16,7 +16,7 @@ class RTPIE(InfoExtractor):
             'ext': 'mp3',
             'title': 'Paixões Cruzadas',
             'description': 'As paixões musicais de António Cartaxo e António Macedo',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
         },
         'params': {
             # rtmp download

youtube_dl/extractor/rts.py

@@ -32,7 +32,7 @@ class RTSIE(SRGSSRIE):
                 'uploader': 'Divers',
                 'upload_date': '19680921',
                 'timestamp': -40280400,
-                'thumbnail': 're:^https?://.*\.image',
+                'thumbnail': r're:^https?://.*\.image',
                 'view_count': int,
             },
         },
@@ -56,7 +56,7 @@ class RTSIE(SRGSSRIE):
                 'uploader': 'Hockey',
                 'upload_date': '20140403',
                 'timestamp': 1396556882,
-                'thumbnail': 're:^https?://.*\.image',
+                'thumbnail': r're:^https?://.*\.image',
                 'view_count': int,
             },
             'params': {
@@ -78,7 +78,7 @@ class RTSIE(SRGSSRIE):
                 'uploader': 'L\'actu en vidéo',
                 'upload_date': '20140403',
                 'timestamp': 1396537322,
-                'thumbnail': 're:^https?://.*\.image',
+                'thumbnail': r're:^https?://.*\.image',
                 'view_count': int,
             },
         },

youtube_dl/extractor/rtvnh.py

@@ -14,7 +14,7 @@ class RTVNHIE(InfoExtractor):
             'id': '131946',
             'ext': 'mp4',
             'title': 'Grote zoektocht in zee bij Zandvoort naar vermiste vrouw',
-            'thumbnail': 're:^https?:.*\.jpg$'
+            'thumbnail': r're:^https?:.*\.jpg$'
         }
     }
 

youtube_dl/extractor/rudo.py

@@ -28,7 +28,7 @@ class RudoIE(JWPlatformBaseIE):
     @classmethod
     def _extract_url(self, webpage):
         mobj = re.search(
-            '<iframe[^>]+src=(?P<q1>[\'"])(?P<url>(?:https?:)?//rudo\.video/vod/[0-9a-zA-Z]+)(?P=q1)',
+            r'<iframe[^>]+src=(?P<q1>[\'"])(?P<url>(?:https?:)?//rudo\.video/vod/[0-9a-zA-Z]+)(?P=q1)',
             webpage)
         if mobj:
             return mobj.group('url')

youtube_dl/extractor/ruhd.py

@@ -14,7 +14,7 @@ class RUHDIE(InfoExtractor):
             'ext': 'divx',
             'title': 'КОТ бааааам',
             'description': 'классный кот)',
-            'thumbnail': 're:^http://.*\.jpg$',
+            'thumbnail': r're:^http://.*\.jpg$',
         }
     }
 

youtube_dl/extractor/ruutu.py

@@ -23,7 +23,7 @@ class RuutuIE(InfoExtractor):
                 'ext': 'mp4',
                 'title': 'Oletko aina halunnut tietää mitä tapahtuu vain hetki ennen lähetystä? - Nyt se selvisi!',
                 'description': 'md5:cfc6ccf0e57a814360df464a91ff67d6',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
                 'duration': 114,
                 'age_limit': 0,
             },
@@ -36,7 +36,7 @@ class RuutuIE(InfoExtractor):
                 'ext': 'mp4',
                 'title': 'Superpesis: katso koko kausi Ruudussa',
                 'description': 'md5:bfb7336df2a12dc21d18fa696c9f8f23',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
                 'duration': 40,
                 'age_limit': 0,
             },
@@ -49,7 +49,7 @@ class RuutuIE(InfoExtractor):
                 'ext': 'mp4',
                 'title': 'Osa 1: Mikael Jungner',
                 'description': 'md5:7d90f358c47542e3072ff65d7b1bcffe',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
                 'age_limit': 0,
             },
         },

youtube_dl/extractor/savefrom.py

@@ -20,7 +20,7 @@ class SaveFromIE(InfoExtractor):
             'upload_date': '20120816',
             'uploader': 'Howcast',
             'uploader_id': 'Howcast',
-            'description': 're:(?s).* Hi, my name is Rene Dreifuss\. And I\'m here to show you some MMA.*',
+            'description': r're:(?s).* Hi, my name is Rene Dreifuss\. And I\'m here to show you some MMA.*',
         },
         'params': {
             'skip_download': True

youtube_dl/extractor/sbs.py

@@ -22,7 +22,7 @@ class SBSIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Dingo Conservation (The Feed)',
             'description': 'md5:f250a9856fca50d22dec0b5b8015f8a5',
-            'thumbnail': 're:http://.*\.jpg',
+            'thumbnail': r're:http://.*\.jpg',
             'duration': 308,
             'timestamp': 1408613220,
             'upload_date': '20140821',

youtube_dl/extractor/screencast.py

@@ -21,7 +21,7 @@ class ScreencastIE(InfoExtractor):
             'ext': 'm4v',
             'title': 'Color Measurement with Ocean Optics Spectrometers',
             'description': 'md5:240369cde69d8bed61349a199c5fb153',
-            'thumbnail': 're:^https?://.*\.(?:gif|jpg)$',
+            'thumbnail': r're:^https?://.*\.(?:gif|jpg)$',
         }
     }, {
         'url': 'http://www.screencast.com/t/V2uXehPJa1ZI',
@@ -31,7 +31,7 @@ class ScreencastIE(InfoExtractor):
             'ext': 'mov',
             'title': 'The Amadeus Spectrometer',
             'description': 're:^In this video, our friends at.*To learn more about Amadeus, visit',
-            'thumbnail': 're:^https?://.*\.(?:gif|jpg)$',
+            'thumbnail': r're:^https?://.*\.(?:gif|jpg)$',
         }
     }, {
         'url': 'http://www.screencast.com/t/aAB3iowa',
@@ -41,7 +41,7 @@ class ScreencastIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Google Earth Export',
             'description': 'Provides a demo of a CommunityViz export to Google Earth, one of the 3D viewing options.',
-            'thumbnail': 're:^https?://.*\.(?:gif|jpg)$',
+            'thumbnail': r're:^https?://.*\.(?:gif|jpg)$',
         }
     }, {
         'url': 'http://www.screencast.com/t/X3ddTrYh',
@@ -51,7 +51,7 @@ class ScreencastIE(InfoExtractor):
             'ext': 'wmv',
             'title': 'Toolkit 6 User Group Webinar (2014-03-04) - Default Judgment and First Impression',
             'description': 'md5:7b9f393bc92af02326a5c5889639eab0',
-            'thumbnail': 're:^https?://.*\.(?:gif|jpg)$',
+            'thumbnail': r're:^https?://.*\.(?:gif|jpg)$',
         }
     }, {
         'url': 'http://screencast.com/t/aAB3iowa',

youtube_dl/extractor/screencastomatic.py

@@ -14,7 +14,7 @@ class ScreencastOMaticIE(JWPlatformBaseIE):
             'id': 'c2lD3BeOPl',
             'ext': 'mp4',
             'title': 'Welcome to 3-4 Philosophy @ DECV!',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'description': 'as the title says! also: some general info re 1) VCE philosophy and 2) distance learning.',
             'duration': 369.163,
         }

youtube_dl/extractor/screenjunkies.py

@@ -20,7 +20,7 @@ class ScreenJunkiesIE(InfoExtractor):
             'display_id': 'best-quentin-tarantino-movie',
             'ext': 'mp4',
             'title': 'Best Quentin Tarantino Movie',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'duration': 3671,
             'age_limit': 13,
             'tags': list,
@@ -32,7 +32,7 @@ class ScreenJunkiesIE(InfoExtractor):
             'display_id': 'honest-trailers-the-dark-knight',
             'ext': 'mp4',
             'title': "Honest Trailers: 'The Dark Knight'",
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'age_limit': 10,
             'tags': list,
         },
@@ -44,7 +44,7 @@ class ScreenJunkiesIE(InfoExtractor):
             'display_id': 'knocking-dead-ep-1-the-show-so-far',
             'ext': 'mp4',
             'title': 'Knocking Dead Ep 1: State of The Dead Recap',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'duration': 3307,
             'age_limit': 13,
             'tags': list,

youtube_dl/extractor/senateisvp.py

@@ -55,7 +55,7 @@ class SenateISVPIE(InfoExtractor):
             'id': 'judiciary031715',
             'ext': 'mp4',
             'title': 'Integrated Senate Video Player',
-            'thumbnail': 're:^https?://.*\.(?:jpg|png)$',
+            'thumbnail': r're:^https?://.*\.(?:jpg|png)$',
         },
         'params': {
             # m3u8 download

youtube_dl/extractor/sendtonews.py

@@ -29,7 +29,7 @@ class SendtoNewsIE(JWPlatformBaseIE):
                 'title': 'Recap: CLE 5, LAA 4',
                 'description': '8/14/16: Naquin, Almonte lead Indians in 5-4 win',
                 'duration': 57.343,
-                'thumbnail': 're:https?://.*\.jpg$',
+                'thumbnail': r're:https?://.*\.jpg$',
                 'upload_date': '20160815',
                 'timestamp': 1471221961,
             },

youtube_dl/extractor/sexu.py

@@ -14,7 +14,7 @@ class SexuIE(InfoExtractor):
             'title': 'md5:4d05a19a5fc049a63dbbaf05fb71d91b',
             'description': 'md5:2b75327061310a3afb3fbd7d09e2e403',
             'categories': list,  # NSFW
-            'thumbnail': 're:https?://.*\.jpg$',
+            'thumbnail': r're:https?://.*\.jpg$',
             'age_limit': 18,
         }
     }

youtube_dl/extractor/slutload.py

@@ -13,7 +13,7 @@ class SlutloadIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'virginie baisee en cam',
             'age_limit': 18,
-            'thumbnail': 're:https?://.*?\.jpg'
+            'thumbnail': r're:https?://.*?\.jpg'
         }
     }
 

youtube_dl/extractor/smotri.py

@@ -81,7 +81,7 @@ class SmotriIE(InfoExtractor):
                 'uploader': 'psavari1',
                 'uploader_id': 'psavari1',
                 'upload_date': '20081103',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
             },
             'params': {
                 'videopassword': '223322',
@@ -117,7 +117,7 @@ class SmotriIE(InfoExtractor):
                 'uploader': 'вАся',
                 'uploader_id': 'asya_prosto',
                 'upload_date': '20081218',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
                 'age_limit': 18,
             },
             'params': {

youtube_dl/extractor/snotr.py

@@ -22,7 +22,7 @@ class SnotrIE(InfoExtractor):
             'duration': 248,
             'filesize_approx': 40700000,
             'description': 'A drone flying through Fourth of July Fireworks',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         },
         'expected_warnings': ['description'],
     }, {
@@ -34,7 +34,7 @@ class SnotrIE(InfoExtractor):
             'duration': 126,
             'filesize_approx': 8500000,
             'description': 'The top 10 George W. Bush moments, brought to you by David Letterman!',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         }
     }]
 

youtube_dl/extractor/soundgasm.py

@@ -27,7 +27,7 @@ class SoundgasmIE(InfoExtractor):
         webpage = self._download_webpage(url, display_id)
         audio_url = self._html_search_regex(
             r'(?s)m4a\:\s"([^"]+)"', webpage, 'audio URL')
-        audio_id = re.split('\/|\.', audio_url)[-2]
+        audio_id = re.split(r'\/|\.', audio_url)[-2]
         description = self._html_search_regex(
             r'(?s)<li>Description:\s(.*?)<\/li>', webpage, 'description',
             fatal=False)

youtube_dl/extractor/spankbang.py

@@ -15,7 +15,7 @@ class SpankBangIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'fantasy solo',
             'description': 'Watch fantasy solo free HD porn video - 05 minutes - dillion harper masturbates on a bed free adult movies.',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'uploader': 'silly2587',
             'age_limit': 18,
         }

youtube_dl/extractor/spankwire.py

@@ -85,7 +85,7 @@ class SpankwireIE(InfoExtractor):
             r'playerData\.cdnPath([0-9]{3,})\s*=\s*(?:encodeURIComponent\()?["\']([^"\']+)["\']', webpage)
         heights = [int(video[0]) for video in videos]
         video_urls = list(map(compat_urllib_parse_unquote, [video[1] for video in videos]))
-        if webpage.find('flashvars\.encrypted = "true"') != -1:
+        if webpage.find(r'flashvars\.encrypted = "true"') != -1:
             password = self._search_regex(
                 r'flashvars\.video_title = "([^"]+)',
                 webpage, 'password').replace('+', ' ')

youtube_dl/extractor/spiegeltv.py

@@ -18,7 +18,7 @@ class SpiegeltvIE(InfoExtractor):
             'ext': 'm4v',
             'title': 'Flug MH370',
             'description': 'Das Rätsel um die Boeing 777 der Malaysia-Airlines',
-            'thumbnail': 're:http://.*\.jpg$',
+            'thumbnail': r're:http://.*\.jpg$',
         },
         'params': {
             # m3u8 download

youtube_dl/extractor/sport5.py

@@ -41,7 +41,7 @@ class Sport5IE(InfoExtractor):
 
         webpage = self._download_webpage(url, media_id)
 
-        video_id = self._html_search_regex('clipId=([\w-]+)', webpage, 'video id')
+        video_id = self._html_search_regex(r'clipId=([\w-]+)', webpage, 'video id')
 
         metadata = self._download_xml(
             'http://sport5-metadata-rr-d.nsacdn.com/vod/vod/%s/HDS/metadata.xml' % video_id,

youtube_dl/extractor/sportbox.py

@@ -21,7 +21,7 @@ class SportBoxIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Гонка 2  заезд ««Объединенный 2000»: классы Туринг и Супер-продакшн',
             'description': 'md5:3d72dc4a006ab6805d82f037fdc637ad',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'upload_date': '20140928',
         },
         'params': {
@@ -73,7 +73,7 @@ class SportBoxEmbedIE(InfoExtractor):
             'id': '211355',
             'ext': 'mp4',
             'title': 'В Новороссийске прошел детский турнир «Поле славы боевой»',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         },
         'params': {
             # m3u8 download

youtube_dl/extractor/sportdeutschland.py

@@ -20,8 +20,8 @@ class SportDeutschlandIE(InfoExtractor):
             'title': 're:Li-Ning Badminton Weltmeisterschaft 2014 Kopenhagen',
             'categories': ['Badminton'],
             'view_count': int,
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
-            'description': 're:Die Badminton-WM 2014 aus Kopenhagen bei Sportdeutschland\.TV',
+            'description': r're:Die Badminton-WM 2014 aus Kopenhagen bei Sportdeutschland\.TV',
             'timestamp': int,
             'upload_date': 're:^201408[23][0-9]$',
         },
@@ -38,7 +38,7 @@ class SportDeutschlandIE(InfoExtractor):
             'timestamp': 1408976060,
             'duration': 2732,
             'title': 'Li-Ning Badminton Weltmeisterschaft 2014 Kopenhagen: Herren Einzel, Wei Lee vs. Keun Lee',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'view_count': int,
             'categories': ['Li-Ning Badminton WM 2014'],
 

youtube_dl/extractor/srgssr.py

@@ -153,7 +153,7 @@ class SRGSSRPlayIE(InfoExtractor):
             'uploader': '19h30',
             'upload_date': '20141201',
             'timestamp': 1417458600,
-            'thumbnail': 're:^https?://.*\.image',
+            'thumbnail': r're:^https?://.*\.image',
             'view_count': int,
         },
         'params': {

youtube_dl/extractor/srmediathek.py

@@ -20,7 +20,7 @@ class SRMediathekIE(ARDMediathekIE):
             'ext': 'mp4',
             'title': 'sportarena (26.10.2014)',
             'description': 'Ringen: KSV Köllerbach gegen Aachen-Walheim; Frauen-Fußball: 1. FC Saarbrücken gegen Sindelfingen; Motorsport: Rallye in Losheim; dazu: Interview mit Timo Bernhard; Turnen: TG Saar; Reitsport: Deutscher Voltigier-Pokal; Badminton: Interview mit Michael Fuchs ',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         },
         'skip': 'no longer available',
     }, {

youtube_dl/extractor/stanfordoc.py

@@ -66,7 +66,7 @@ class StanfordOpenClassroomIE(InfoExtractor):
                 r'(?s)<description>([^<]+)</description>',
                 coursepage, 'description', fatal=False)
 
-            links = orderedSet(re.findall('<a href="(VideoPage.php\?[^"]+)">', coursepage))
+            links = orderedSet(re.findall(r'<a href="(VideoPage.php\?[^"]+)">', coursepage))
             info['entries'] = [self.url_result(
                 'http://openclassroom.stanford.edu/MainFolder/%s' % unescapeHTML(l)
             ) for l in links]
@@ -84,7 +84,7 @@ class StanfordOpenClassroomIE(InfoExtractor):
             rootpage = self._download_webpage(rootURL, info['id'],
                                               errnote='Unable to download course info page')
 
-            links = orderedSet(re.findall('<a href="(CoursePage.php\?[^"]+)">', rootpage))
+            links = orderedSet(re.findall(r'<a href="(CoursePage.php\?[^"]+)">', rootpage))
             info['entries'] = [self.url_result(
                 'http://openclassroom.stanford.edu/MainFolder/%s' % unescapeHTML(l)
             ) for l in links]

youtube_dl/extractor/stitcher.py

@@ -22,7 +22,7 @@ class StitcherIE(InfoExtractor):
             'title': 'Machine Learning Mastery and Cancer Clusters',
             'description': 'md5:55163197a44e915a14a1ac3a1de0f2d3',
             'duration': 1604,
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
         },
     }, {
         'url': 'http://www.stitcher.com/podcast/panoply/vulture-tv/e/the-rare-hourlong-comedy-plus-40846275?autoplay=true',
@@ -33,7 +33,7 @@ class StitcherIE(InfoExtractor):
             'title': "The CW's 'Crazy Ex-Girlfriend'",
             'description': 'md5:04f1e2f98eb3f5cbb094cea0f9e19b17',
             'duration': 2235,
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
         },
         'params': {
             'skip_download': True,

youtube_dl/extractor/streamable.py

@@ -21,7 +21,7 @@ class StreamableIE(InfoExtractor):
                 'id': 'dnd1',
                 'ext': 'mp4',
                 'title': 'Mikel Oiarzabal scores to make it 0-3 for La Real against Espanyol',
-                'thumbnail': 're:https?://.*\.jpg$',
+                'thumbnail': r're:https?://.*\.jpg$',
                 'uploader': 'teabaker',
                 'timestamp': 1454964157.35115,
                 'upload_date': '20160208',
@@ -37,7 +37,7 @@ class StreamableIE(InfoExtractor):
                 'id': 'moo',
                 'ext': 'mp4',
                 'title': '"Please don\'t eat me!"',
-                'thumbnail': 're:https?://.*\.jpg$',
+                'thumbnail': r're:https?://.*\.jpg$',
                 'timestamp': 1426115495,
                 'upload_date': '20150311',
                 'duration': 12,

youtube_dl/extractor/streetvoice.py

@@ -16,7 +16,7 @@ class StreetVoiceIE(InfoExtractor):
             'ext': 'mp3',
             'title': '輸',
             'description': 'Crispy脆樂團 - 輸',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 260,
             'upload_date': '20091018',
             'uploader': 'Crispy脆樂團',

youtube_dl/extractor/sunporno.py

@@ -21,7 +21,7 @@ class SunPornoIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'md5:0a400058e8105d39e35c35e7c5184164',
             'description': 'md5:a31241990e1bd3a64e72ae99afb325fb',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 302,
             'age_limit': 18,
         }

youtube_dl/extractor/svt.py

@@ -129,7 +129,7 @@ class SVTPlayIE(SVTBaseIE):
             'ext': 'mp4',
             'title': 'Flygplan till Haile Selassie',
             'duration': 3527,
-            'thumbnail': 're:^https?://.*[\.-]jpg$',
+            'thumbnail': r're:^https?://.*[\.-]jpg$',
             'age_limit': 0,
             'subtitles': {
                 'sv': [{

youtube_dl/extractor/swrmediathek.py

@@ -18,7 +18,7 @@ class SWRMediathekIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'SWR odysso',
             'description': 'md5:2012e31baad36162e97ce9eb3f157b8a',
-            'thumbnail': 're:^http:.*\.jpg$',
+            'thumbnail': r're:^http:.*\.jpg$',
             'duration': 2602,
             'upload_date': '20140515',
             'uploader': 'SWR Fernsehen',
@@ -32,7 +32,7 @@ class SWRMediathekIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Nachtcafé - Alltagsdroge Alkohol - zwischen Sektempfang und Komasaufen',
             'description': 'md5:e0a3adc17e47db2c23aab9ebc36dbee2',
-            'thumbnail': 're:http://.*\.jpg',
+            'thumbnail': r're:http://.*\.jpg',
             'duration': 5305,
             'upload_date': '20140516',
             'uploader': 'SWR Fernsehen',
@@ -46,7 +46,7 @@ class SWRMediathekIE(InfoExtractor):
             'ext': 'mp3',
             'title': 'Saša Stanišic: Vor dem Fest',
             'description': 'md5:5b792387dc3fbb171eb709060654e8c9',
-            'thumbnail': 're:http://.*\.jpg',
+            'thumbnail': r're:http://.*\.jpg',
             'duration': 3366,
             'upload_date': '20140520',
             'uploader': 'SWR 2',

youtube_dl/extractor/tagesschau.py

@@ -23,7 +23,7 @@ class TagesschauPlayerIE(InfoExtractor):
             'id': '179517',
             'ext': 'mp4',
             'title': 'Marie Kristin Boese, ARD Berlin, über den zukünftigen Kurs der AfD',
-            'thumbnail': 're:^https?:.*\.jpg$',
+            'thumbnail': r're:^https?:.*\.jpg$',
             'formats': 'mincount:6',
         },
     }, {
@@ -33,7 +33,7 @@ class TagesschauPlayerIE(InfoExtractor):
             'id': '29417',
             'ext': 'mp3',
             'title': 'Trabi - Bye, bye Rennpappe',
-            'thumbnail': 're:^https?:.*\.jpg$',
+            'thumbnail': r're:^https?:.*\.jpg$',
             'formats': 'mincount:2',
         },
     }, {
@@ -135,7 +135,7 @@ class TagesschauIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Regierungsumbildung in Athen: Neue Minister in Griechenland vereidigt',
             'description': '18.07.2015 20:10 Uhr',
-            'thumbnail': 're:^https?:.*\.jpg$',
+            'thumbnail': r're:^https?:.*\.jpg$',
         },
     }, {
         'url': 'http://www.tagesschau.de/multimedia/sendung/ts-5727.html',
@@ -145,7 +145,7 @@ class TagesschauIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Sendung: tagesschau \t04.12.2014 20:00 Uhr',
             'description': 'md5:695c01bfd98b7e313c501386327aea59',
-            'thumbnail': 're:^https?:.*\.jpg$',
+            'thumbnail': r're:^https?:.*\.jpg$',
         },
     }, {
         # exclusive audio
@@ -156,7 +156,7 @@ class TagesschauIE(InfoExtractor):
             'ext': 'mp3',
             'title': 'Trabi - Bye, bye Rennpappe',
             'description': 'md5:8687dda862cbbe2cfb2df09b56341317',
-            'thumbnail': 're:^https?:.*\.jpg$',
+            'thumbnail': r're:^https?:.*\.jpg$',
         },
     }, {
         # audio in article
@@ -167,7 +167,7 @@ class TagesschauIE(InfoExtractor):
             'ext': 'mp3',
             'title': 'Viele Baustellen für neuen BND-Chef',
             'description': 'md5:1e69a54be3e1255b2b07cdbce5bcd8b4',
-            'thumbnail': 're:^https?:.*\.jpg$',
+            'thumbnail': r're:^https?:.*\.jpg$',
         },
     }, {
         'url': 'http://www.tagesschau.de/inland/afd-parteitag-135.html',

youtube_dl/extractor/tass.py

@@ -21,7 +21,7 @@ class TassIE(InfoExtractor):
                 'ext': 'mp4',
                 'title': 'Посетителям московского зоопарка показали красную панду',
                 'description': 'Приехавшую из Дублина Зейну можно увидеть в павильоне "Кошки тропиков"',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
             },
         },
         {

youtube_dl/extractor/tdslifeway.py

@@ -13,7 +13,7 @@ class TDSLifewayIE(InfoExtractor):
             'id': '3453494717001',
             'ext': 'mp4',
             'title': 'The Gospel by Numbers',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'upload_date': '20140410',
             'description': 'Coming soon from T4G 2014!',
             'uploader_id': '2034960640001',

youtube_dl/extractor/teachertube.py

@@ -24,7 +24,7 @@ class TeacherTubeIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Measures of dispersion from a frequency table',
             'description': 'Measures of dispersion from a frequency table',
-            'thumbnail': 're:http://.*\.jpg',
+            'thumbnail': r're:http://.*\.jpg',
         },
     }, {
         'url': 'http://www.teachertube.com/viewVideo.php?video_id=340064',
@@ -34,7 +34,7 @@ class TeacherTubeIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'How to Make Paper Dolls _ Paper Art Projects',
             'description': 'Learn how to make paper dolls in this simple',
-            'thumbnail': 're:http://.*\.jpg',
+            'thumbnail': r're:http://.*\.jpg',
         },
     }, {
         'url': 'http://www.teachertube.com/music.php?music_id=8805',

youtube_dl/extractor/ted.py

@@ -47,7 +47,7 @@ class TEDIE(InfoExtractor):
             'id': 'tSVI8ta_P4w',
             'ext': 'mp4',
             'title': 'Vishal Sikka: The beauty and power of algorithms',
-            'thumbnail': 're:^https?://.+\.jpg',
+            'thumbnail': r're:^https?://.+\.jpg',
             'description': 'md5:6261fdfe3e02f4f579cbbfc00aff73f4',
             'upload_date': '20140122',
             'uploader_id': 'TEDInstitute',
@@ -189,7 +189,7 @@ class TEDIE(InfoExtractor):
                         'format_id': '%s-%sk' % (format_id, bitrate),
                         'tbr': bitrate,
                     })
-                    if re.search('\d+k', h264_url):
+                    if re.search(r'\d+k', h264_url):
                         http_url = h264_url
             elif format_id == 'rtmp':
                 streamer = talk_info.get('streamer')

youtube_dl/extractor/telegraaf.py

@@ -17,7 +17,7 @@ class TelegraafIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Tikibad ontruimd wegens brand',
             'description': 'md5:05ca046ff47b931f9b04855015e163a4',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 33,
         },
         'params': {

youtube_dl/extractor/telemb.py

@@ -19,7 +19,7 @@ class TeleMBIE(InfoExtractor):
                 'ext': 'mp4',
                 'title': 'Mons - Cook with Danielle : des cours de cuisine en anglais ! - Les reportages',
                 'description': 'md5:bc5225f47b17c309761c856ad4776265',
-                'thumbnail': 're:^http://.*\.(?:jpg|png)$',
+                'thumbnail': r're:^http://.*\.(?:jpg|png)$',
             }
         },
         {
@@ -32,7 +32,7 @@ class TeleMBIE(InfoExtractor):
                 'ext': 'mp4',
                 'title': 'Havré - Incendie mortel - Les reportages',
                 'description': 'md5:5e54cb449acb029c2b7734e2d946bd4a',
-                'thumbnail': 're:^http://.*\.(?:jpg|png)$',
+                'thumbnail': r're:^http://.*\.(?:jpg|png)$',
             }
         },
     ]

youtube_dl/extractor/telewebion.py

@@ -13,7 +13,7 @@ class TelewebionIE(InfoExtractor):
             'id': '1263668',
             'ext': 'mp4',
             'title': 'قرعه\u200cکشی لیگ قهرمانان اروپا',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'view_count': int,
         },
         'params': {

youtube_dl/extractor/theplatform.py

@@ -156,7 +156,7 @@ class ThePlatformIE(ThePlatformBaseIE, AdobePassIE):
             'title': 'iPhone Siri’s sassy response to a math question has people talking',
             'description': 'md5:a565d1deadd5086f3331d57298ec6333',
             'duration': 83.0,
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'timestamp': 1435752600,
             'upload_date': '20150701',
             'uploader': 'NBCU-NEWS',
@@ -297,7 +297,7 @@ class ThePlatformFeedIE(ThePlatformBaseIE):
             'ext': 'mp4',
             'title': 'The Biden factor: will Joe run in 2016?',
             'description': 'Could Vice President Joe Biden be preparing a 2016 campaign? Mark Halperin and Sam Stein weigh in.',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'upload_date': '20140208',
             'timestamp': 1391824260,
             'duration': 467.0,

youtube_dl/extractor/thisamericanlife.py

@@ -13,7 +13,7 @@ class ThisAmericanLifeIE(InfoExtractor):
             'ext': 'm4a',
             'title': '487: Harper High School, Part One',
             'description': 'md5:ee40bdf3fb96174a9027f76dbecea655',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         },
     }, {
         'url': 'http://www.thisamericanlife.org/play_full.php?play=487',

youtube_dl/extractor/tinypic.py

@@ -34,7 +34,7 @@ class TinyPicIE(InfoExtractor):
         webpage = self._download_webpage(url, video_id, 'Downloading page')
 
         mobj = re.search(r'(?m)fo\.addVariable\("file",\s"(?P<fileid>[\da-z]+)"\);\n'
-                         '\s+fo\.addVariable\("s",\s"(?P<serverid>\d+)"\);', webpage)
+                         r'\s+fo\.addVariable\("s",\s"(?P<serverid>\d+)"\);', webpage)
         if mobj is None:
             raise ExtractorError('Video %s does not exist' % video_id, expected=True)
 

youtube_dl/extractor/tnaflix.py

@@ -91,7 +91,7 @@ class TNAFlixNetworkBaseIE(InfoExtractor):
         formats = []
 
         def extract_video_url(vl):
-            return re.sub('speed=\d+', 'speed=', unescapeHTML(vl.text))
+            return re.sub(r'speed=\d+', 'speed=', unescapeHTML(vl.text))
 
         video_link = cfg_xml.find('./videoLink')
         if video_link is not None:
@@ -174,7 +174,7 @@ class TNAFlixNetworkEmbedIE(TNAFlixNetworkBaseIE):
             'display_id': '6538',
             'ext': 'mp4',
             'title': 'Educational xxx video',
-            'thumbnail': 're:https?://.*\.jpg$',
+            'thumbnail': r're:https?://.*\.jpg$',
             'age_limit': 18,
         },
         'params': {
@@ -209,7 +209,7 @@ class TNAFlixIE(TNAFlixNetworkBaseIE):
             'display_id': 'Carmella-Decesare-striptease',
             'ext': 'mp4',
             'title': 'Carmella Decesare - striptease',
-            'thumbnail': 're:https?://.*\.jpg$',
+            'thumbnail': r're:https?://.*\.jpg$',
             'duration': 91,
             'age_limit': 18,
             'categories': ['Porn Stars'],
@@ -224,7 +224,7 @@ class TNAFlixIE(TNAFlixNetworkBaseIE):
             'ext': 'mp4',
             'title': 'Educational xxx video',
             'description': 'md5:b4fab8f88a8621c8fabd361a173fe5b8',
-            'thumbnail': 're:https?://.*\.jpg$',
+            'thumbnail': r're:https?://.*\.jpg$',
             'duration': 164,
             'age_limit': 18,
             'uploader': 'bobwhite39',
@@ -250,7 +250,7 @@ class EMPFlixIE(TNAFlixNetworkBaseIE):
             'ext': 'mp4',
             'title': 'Amateur Finger Fuck',
             'description': 'Amateur solo finger fucking.',
-            'thumbnail': 're:https?://.*\.jpg$',
+            'thumbnail': r're:https?://.*\.jpg$',
             'duration': 83,
             'age_limit': 18,
             'uploader': 'cwbike',
@@ -280,7 +280,7 @@ class MovieFapIE(TNAFlixNetworkBaseIE):
             'ext': 'mp4',
             'title': 'Experienced MILF Amazing Handjob',
             'description': 'Experienced MILF giving an Amazing Handjob',
-            'thumbnail': 're:https?://.*\.jpg$',
+            'thumbnail': r're:https?://.*\.jpg$',
             'age_limit': 18,
             'uploader': 'darvinfred06',
             'view_count': int,
@@ -298,7 +298,7 @@ class MovieFapIE(TNAFlixNetworkBaseIE):
             'ext': 'flv',
             'title': 'Jeune Couple Russe',
             'description': 'Amateur',
-            'thumbnail': 're:https?://.*\.jpg$',
+            'thumbnail': r're:https?://.*\.jpg$',
             'age_limit': 18,
             'uploader': 'whiskeyjar',
             'view_count': int,

youtube_dl/extractor/tudou.py

@@ -23,7 +23,7 @@ class TudouIE(InfoExtractor):
             'id': '159448201',
             'ext': 'f4v',
             'title': '卡马乔国足开大脚长传冲吊集锦',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'timestamp': 1372113489000,
             'description': '卡马乔卡家军，开大脚先进战术不完全集锦！',
             'duration': 289.04,
@@ -36,7 +36,7 @@ class TudouIE(InfoExtractor):
             'id': '117049447',
             'ext': 'f4v',
             'title': 'La Sylphide-Bolshoi-Ekaterina Krysanova & Vyacheslav Lopatin 2012',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'timestamp': 1349207518000,
             'description': 'md5:294612423894260f2dcd5c6c04fe248b',
             'duration': 5478.33,

youtube_dl/extractor/tumblr.py

@@ -17,7 +17,7 @@ class TumblrIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'tatiana maslany news, Orphan Black || DVD extra - behind the scenes ↳...',
             'description': 'md5:37db8211e40b50c7c44e95da14f630b7',
-            'thumbnail': 're:http://.*\.jpg',
+            'thumbnail': r're:http://.*\.jpg',
         }
     }, {
         'url': 'http://5sostrum.tumblr.com/post/90208453769/yall-forgetting-the-greatest-keek-of-them-all',
@@ -27,7 +27,7 @@ class TumblrIE(InfoExtractor):
             'ext': 'mp4',
             'title': '5SOS STRUM ;]',
             'description': 'md5:dba62ac8639482759c8eb10ce474586a',
-            'thumbnail': 're:http://.*\.jpg',
+            'thumbnail': r're:http://.*\.jpg',
         }
     }, {
         'url': 'http://hdvideotest.tumblr.com/post/130323439814/test-description-for-my-hd-video',
@@ -37,7 +37,7 @@ class TumblrIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'HD Video Testing \u2014 Test description for my HD video',
             'description': 'md5:97cc3ab5fcd27ee4af6356701541319c',
-            'thumbnail': 're:http://.*\.jpg',
+            'thumbnail': r're:http://.*\.jpg',
         },
         'params': {
             'format': 'hd',
@@ -92,7 +92,7 @@ class TumblrIE(InfoExtractor):
             'title': 'Video by victoriassecret',
             'description': 'Invisibility or flight…which superpower would YOU choose? #VSFashionShow #ThisOrThat',
             'uploader_id': 'victoriassecret',
-            'thumbnail': 're:^https?://.*\.jpg'
+            'thumbnail': r're:^https?://.*\.jpg'
         },
         'add_ie': ['Instagram'],
     }]

youtube_dl/extractor/turbo.py

@@ -24,7 +24,7 @@ class TurboIE(InfoExtractor):
             'duration': 3715,
             'title': 'Turbo du 07/09/2014 : Renault Twingo 3, Bentley Continental GT Speed, CES, Guide Achat Dacia... ',
             'description': 'Turbo du 07/09/2014 : Renault Twingo 3, Bentley Continental GT Speed, CES, Guide Achat Dacia...',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         }
     }
 

youtube_dl/extractor/tv2.py

@@ -126,7 +126,7 @@ class TV2ArticleIE(InfoExtractor):
 
         if not assets:
             # New embed pattern
-            for v in re.findall('TV2ContentboxVideo\(({.+?})\)', webpage):
+            for v in re.findall(r'TV2ContentboxVideo\(({.+?})\)', webpage):
                 video = self._parse_json(
                     v, playlist_id, transform_source=js_to_json, fatal=False)
                 if not video:

youtube_dl/extractor/tv4.py

@@ -33,7 +33,7 @@ class TV4IE(InfoExtractor):
                 'id': '2491650',
                 'ext': 'mp4',
                 'title': 'Kalla Fakta 5 (english subtitles)',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
                 'timestamp': int,
                 'upload_date': '20131125',
             },
@@ -45,7 +45,7 @@ class TV4IE(InfoExtractor):
                 'id': '3054113',
                 'ext': 'mp4',
                 'title': 'Så här jobbar ficktjuvarna - se avslöjande bilder',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
                 'description': 'Unika bilder avslöjar hur turisternas fickor vittjas mitt på Stockholms central. Två experter på ficktjuvarna avslöjar knepen du ska se upp för.',
                 'timestamp': int,
                 'upload_date': '20150130',

youtube_dl/extractor/tvc.py

@@ -19,7 +19,7 @@ class TVCIE(InfoExtractor):
             'id': '74622',
             'ext': 'mp4',
             'title': 'События. "События". Эфир от 22.05.2015 14:30',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 1122,
         },
     }
@@ -72,7 +72,7 @@ class TVCArticleIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'События. "События". Эфир от 22.05.2015 14:30',
             'description': 'md5:ad7aa7db22903f983e687b8a3e98c6dd',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 1122,
         },
     }, {
@@ -82,7 +82,7 @@ class TVCArticleIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Эксперты: в столице встал вопрос о максимально безопасных остановках',
             'description': 'md5:f2098f71e21f309e89f69b525fd9846e',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 278,
         },
     }, {
@@ -92,7 +92,7 @@ class TVCArticleIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Ещё не поздно. Эфир от 03.08.2013',
             'description': 'md5:51fae9f3f8cfe67abce014e428e5b027',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 3316,
         },
     }]

youtube_dl/extractor/tweakers.py

@@ -18,7 +18,7 @@ class TweakersIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'New Nintendo 3DS XL - Op alle fronten beter',
             'description': 'md5:3789b21fed9c0219e9bcaacd43fab280',
-            'thumbnail': 're:^https?://.*\.jpe?g$',
+            'thumbnail': r're:^https?://.*\.jpe?g$',
             'duration': 386,
             'uploader_id': 's7JeEm',
         }

youtube_dl/extractor/twentyfourvideo.py

@@ -22,7 +22,7 @@ class TwentyFourVideoIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Эротика каменного века',
             'description': 'Как смотрели порно в каменном веке.',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'uploader': 'SUPERTELO',
             'duration': 31,
             'timestamp': 1275937857,

youtube_dl/extractor/twitch.py

@@ -223,7 +223,7 @@ class TwitchVodIE(TwitchItemBaseIE):
             'id': 'v6528877',
             'ext': 'mp4',
             'title': 'LCK Summer Split - Week 6 Day 1',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 17208,
             'timestamp': 1435131709,
             'upload_date': '20150624',
@@ -243,7 +243,7 @@ class TwitchVodIE(TwitchItemBaseIE):
             'id': 'v11230755',
             'ext': 'mp4',
             'title': 'Untitled Broadcast',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 1638,
             'timestamp': 1439746708,
             'upload_date': '20150816',
@@ -550,7 +550,7 @@ class TwitchClipsIE(InfoExtractor):
             'id': 'AggressiveCobraPoooound',
             'ext': 'mp4',
             'title': 'EA Play 2016 Live from the Novo Theatre',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'creator': 'EA',
             'uploader': 'stereotype_',
             'uploader_id': 'stereotype_',

youtube_dl/extractor/twitter.py

@@ -34,7 +34,7 @@ class TwitterCardIE(TwitterBaseIE):
                 'id': '560070183650213889',
                 'ext': 'mp4',
                 'title': 'Twitter Card',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
                 'duration': 30.033,
             }
         },
@@ -45,7 +45,7 @@ class TwitterCardIE(TwitterBaseIE):
                 'id': '623160978427936768',
                 'ext': 'mp4',
                 'title': 'Twitter Card',
-                'thumbnail': 're:^https?://.*\.jpg',
+                'thumbnail': r're:^https?://.*\.jpg',
                 'duration': 80.155,
             },
         },
@@ -82,7 +82,7 @@ class TwitterCardIE(TwitterBaseIE):
                 'id': '705235433198714880',
                 'ext': 'mp4',
                 'title': 'Twitter web player',
-                'thumbnail': 're:^https?://.*\.jpg',
+                'thumbnail': r're:^https?://.*\.jpg',
             },
         }, {
             'url': 'https://twitter.com/i/videos/752274308186120192',
@@ -201,7 +201,7 @@ class TwitterIE(InfoExtractor):
             'id': '643211948184596480',
             'ext': 'mp4',
             'title': 'FREE THE NIPPLE - FTN supporters on Hollywood Blvd today!',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'description': 'FREE THE NIPPLE on Twitter: "FTN supporters on Hollywood Blvd today! http://t.co/c7jHH749xJ"',
             'uploader': 'FREE THE NIPPLE',
             'uploader_id': 'freethenipple',
@@ -217,7 +217,7 @@ class TwitterIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Gifs - tu vai cai tu vai cai tu nao eh capaz disso tu vai cai',
             'description': 'Gifs on Twitter: "tu vai cai tu vai cai tu nao eh capaz disso tu vai cai https://t.co/tM46VHFlO5"',
-            'thumbnail': 're:^https?://.*\.png',
+            'thumbnail': r're:^https?://.*\.png',
             'uploader': 'Gifs',
             'uploader_id': 'giphz',
         },
@@ -257,7 +257,7 @@ class TwitterIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'JG - BEAT PROD: @suhmeduh #Damndaniel',
             'description': 'JG on Twitter: "BEAT PROD: @suhmeduh  https://t.co/HBrQ4AfpvZ #Damndaniel https://t.co/byBooq2ejZ"',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'uploader': 'JG',
             'uploader_id': 'jaydingeer',
         },

youtube_dl/extractor/udn.py

@@ -23,7 +23,7 @@ class UDNEmbedIE(InfoExtractor):
             'id': '300040',
             'ext': 'mp4',
             'title': '生物老師男變女 全校挺"做自己"',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         },
         'params': {
             # m3u8 download

youtube_dl/extractor/urort.py

@@ -21,7 +21,7 @@ class UrortIE(InfoExtractor):
             'id': '33124-24',
             'ext': 'mp3',
             'title': 'The Bomb',
-            'thumbnail': 're:^https?://.+\.jpg',
+            'thumbnail': r're:^https?://.+\.jpg',
             'uploader': 'Gerilja',
             'uploader_id': 'Gerilja',
             'upload_date': '20100323',

youtube_dl/extractor/ustudio.py

@@ -22,7 +22,7 @@ class UstudioIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'San Francisco: Golden Gate Bridge',
             'description': 'md5:23925500697f2c6d4830e387ba51a9be',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'upload_date': '20111107',
             'uploader': 'Tony Farley',
         }

youtube_dl/extractor/varzesh3.py

@@ -22,7 +22,7 @@ class Varzesh3IE(InfoExtractor):
             'ext': 'mp4',
             'title': '۵ واکنش برتر دروازه‌بانان؛هفته ۲۶ بوندسلیگا',
             'description': 'فصل ۲۰۱۵-۲۰۱۴',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         },
         'skip': 'HTTP 404 Error',
     }, {
@@ -67,7 +67,7 @@ class Varzesh3IE(InfoExtractor):
             webpage, display_id, default=None)
         if video_id is None:
             video_id = self._search_regex(
-                'var\s+VideoId\s*=\s*(\d+);', webpage, 'video id',
+                r'var\s+VideoId\s*=\s*(\d+);', webpage, 'video id',
                 default=display_id)
 
         return {

youtube_dl/extractor/vbox7.py

@@ -28,7 +28,7 @@ class Vbox7IE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Борисов: Притеснен съм за бъдещето на България',
             'description': 'По думите му е опасно страната ни да бъде обявена за "сигурна"',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'timestamp': 1470982814,
             'upload_date': '20160812',
             'uploader': 'zdraveibulgaria',
@@ -56,7 +56,7 @@ class Vbox7IE(InfoExtractor):
     @staticmethod
     def _extract_url(webpage):
         mobj = re.search(
-            '<iframe[^>]+src=(?P<q>["\'])(?P<url>(?:https?:)?//vbox7\.com/emb/external\.php.+?)(?P=q)',
+            r'<iframe[^>]+src=(?P<q>["\'])(?P<url>(?:https?:)?//vbox7\.com/emb/external\.php.+?)(?P=q)',
             webpage)
         if mobj:
             return mobj.group('url')

youtube_dl/extractor/vessel.py

@@ -24,7 +24,7 @@ class VesselIE(InfoExtractor):
             'id': 'HDN7G5UMs',
             'ext': 'mp4',
             'title': 'Nvidia GeForce GTX Titan X - The Best Video Card on the Market?',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'upload_date': '20150317',
             'description': 'Did Nvidia pull out all the stops on the Titan X, or does its performance leave something to be desired?',
             'timestamp': int,

youtube_dl/extractor/vgtv.py

@@ -61,7 +61,7 @@ class VGTVIE(XstreamIE):
                 'ext': 'mp4',
                 'title': 'Hevnen er søt: Episode 10 - Abu',
                 'description': 'md5:e25e4badb5f544b04341e14abdc72234',
-                'thumbnail': 're:^https?://.*\.jpg',
+                'thumbnail': r're:^https?://.*\.jpg',
                 'duration': 648.000,
                 'timestamp': 1404626400,
                 'upload_date': '20140706',
@@ -76,7 +76,7 @@ class VGTVIE(XstreamIE):
                 'ext': 'flv',
                 'title': 'OPPTAK: VGTV følger EM-kvalifiseringen',
                 'description': 'md5:3772d9c0dc2dff92a886b60039a7d4d3',
-                'thumbnail': 're:^https?://.*\.jpg',
+                'thumbnail': r're:^https?://.*\.jpg',
                 'duration': 9103.0,
                 'timestamp': 1410113864,
                 'upload_date': '20140907',
@@ -96,7 +96,7 @@ class VGTVIE(XstreamIE):
                 'ext': 'mp4',
                 'title': 'V75 fra Solvalla 30.05.15',
                 'description': 'md5:b3743425765355855f88e096acc93231',
-                'thumbnail': 're:^https?://.*\.jpg',
+                'thumbnail': r're:^https?://.*\.jpg',
                 'duration': 25966,
                 'timestamp': 1432975582,
                 'upload_date': '20150530',
@@ -200,7 +200,7 @@ class VGTVIE(XstreamIE):
             format_info = {
                 'url': mp4_url,
             }
-            mobj = re.search('(\d+)_(\d+)_(\d+)', mp4_url)
+            mobj = re.search(r'(\d+)_(\d+)_(\d+)', mp4_url)
             if mobj:
                 tbr = int(mobj.group(3))
                 format_info.update({
@@ -246,7 +246,7 @@ class BTArticleIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Alrekstad internat',
             'description': 'md5:dc81a9056c874fedb62fc48a300dac58',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'duration': 191,
             'timestamp': 1289991323,
             'upload_date': '20101117',

youtube_dl/extractor/vidbit.py

@@ -20,7 +20,7 @@ class VidbitIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Intro to VidBit',
             'description': 'md5:5e0d6142eec00b766cbf114bfd3d16b7',
-            'thumbnail': 're:https?://.*\.jpg$',
+            'thumbnail': r're:https?://.*\.jpg$',
             'upload_date': '20160618',
             'view_count': int,
             'comment_count': int,

youtube_dl/extractor/viddler.py

@@ -26,7 +26,7 @@ class ViddlerIE(InfoExtractor):
             'timestamp': 1335371429,
             'upload_date': '20120425',
             'duration': 100.89,
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'view_count': int,
             'comment_count': int,
             'categories': ['video content', 'high quality video', 'video made easy', 'how to produce video with limited resources', 'viddler'],

youtube_dl/extractor/videomega.py

@@ -19,7 +19,7 @@ class VideoMegaIE(InfoExtractor):
             'id': 'AOSQBJYKIDDIKYJBQSOA',
             'ext': 'mp4',
             'title': '1254207',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         }
     }, {
         'url': 'http://videomega.tv/cdn.php?ref=AOSQBJYKIDDIKYJBQSOA&width=1070&height=600',

youtube_dl/extractor/videomore.py

@@ -23,7 +23,7 @@ class VideomoreIE(InfoExtractor):
             'title': 'Кино в деталях 5 сезон В гостях Алексей Чумаков и Юлия Ковальчук',
             'series': 'Кино в деталях',
             'episode': 'В гостях Алексей Чумаков и Юлия Ковальчук',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'duration': 2910,
             'view_count': int,
             'comment_count': int,
@@ -37,7 +37,7 @@ class VideomoreIE(InfoExtractor):
             'title': 'Молодежка 2 сезон 40 серия',
             'series': 'Молодежка',
             'episode': '40 серия',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'duration': 2809,
             'view_count': int,
             'comment_count': int,
@@ -53,7 +53,7 @@ class VideomoreIE(InfoExtractor):
             'ext': 'flv',
             'title': 'Промо Команда проиграла из-за Бакина?',
             'episode': 'Команда проиграла из-за Бакина?',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'duration': 29,
             'age_limit': 16,
             'view_count': int,
@@ -145,7 +145,7 @@ class VideomoreVideoIE(InfoExtractor):
             'ext': 'flv',
             'title': 'Ёлки 3',
             'description': '',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'duration': 5579,
             'age_limit': 6,
             'view_count': int,
@@ -168,7 +168,7 @@ class VideomoreVideoIE(InfoExtractor):
             'ext': 'flv',
             'title': '1 серия. Здравствуй, Аквавилль!',
             'description': 'md5:c6003179538b5d353e7bcd5b1372b2d7',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'duration': 754,
             'age_limit': 6,
             'view_count': int,

youtube_dl/extractor/vidio.py

@@ -18,7 +18,7 @@ class VidioIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'DJ_AMBRED - Booyah (Live 2015)',
             'description': 'md5:27dc15f819b6a78a626490881adbadf8',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 149,
             'like_count': int,
         },

youtube_dl/extractor/vidme.py

@@ -23,7 +23,7 @@ class VidmeIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Fishing for piranha - the easy way',
             'description': 'source: https://www.facebook.com/photo.php?v=312276045600871',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'timestamp': 1406313244,
             'upload_date': '20140725',
             'age_limit': 0,
@@ -39,7 +39,7 @@ class VidmeIE(InfoExtractor):
             'id': 'Gc6M',
             'ext': 'mp4',
             'title': 'O Mere Dil ke chain - Arnav and Khushi VM',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'timestamp': 1441211642,
             'upload_date': '20150902',
             'uploader': 'SunshineM',
@@ -61,7 +61,7 @@ class VidmeIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'The Carver',
             'description': 'md5:e9c24870018ae8113be936645b93ba3c',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'timestamp': 1433203629,
             'upload_date': '20150602',
             'uploader': 'Thomas',
@@ -82,7 +82,7 @@ class VidmeIE(InfoExtractor):
             'id': 'Wmur',
             'ext': 'mp4',
             'title': 'naked smoking & stretching',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'timestamp': 1430931613,
             'upload_date': '20150506',
             'uploader': 'naked-yogi',
@@ -115,7 +115,7 @@ class VidmeIE(InfoExtractor):
             'id': 'e5g',
             'ext': 'mp4',
             'title': 'Video upload (e5g)',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'timestamp': 1401480195,
             'upload_date': '20140530',
             'uploader': None,

youtube_dl/extractor/viewlift.py

@@ -14,7 +14,7 @@ from ..utils import (
 
 
 class ViewLiftBaseIE(InfoExtractor):
-    _DOMAINS_REGEX = '(?:snagfilms|snagxtreme|funnyforfree|kiddovid|winnersview|monumentalsportsnetwork|vayafilm)\.com|kesari\.tv'
+    _DOMAINS_REGEX = r'(?:snagfilms|snagxtreme|funnyforfree|kiddovid|winnersview|monumentalsportsnetwork|vayafilm)\.com|kesari\.tv'
 
 
 class ViewLiftEmbedIE(ViewLiftBaseIE):
@@ -110,7 +110,7 @@ class ViewLiftIE(ViewLiftBaseIE):
             'ext': 'mp4',
             'title': 'Lost for Life',
             'description': 'md5:fbdacc8bb6b455e464aaf98bc02e1c82',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'duration': 4489,
             'categories': ['Documentary', 'Crime', 'Award Winning', 'Festivals']
         }
@@ -123,7 +123,7 @@ class ViewLiftIE(ViewLiftBaseIE):
             'ext': 'mp4',
             'title': 'India',
             'description': 'md5:5c168c5a8f4719c146aad2e0dfac6f5f',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'duration': 979,
             'categories': ['Documentary', 'Sports', 'Politics']
         }
@@ -160,7 +160,7 @@ class ViewLiftIE(ViewLiftBaseIE):
 
         snag = self._parse_json(
             self._search_regex(
-                'Snag\.page\.data\s*=\s*(\[.+?\]);', webpage, 'snag'),
+                r'Snag\.page\.data\s*=\s*(\[.+?\]);', webpage, 'snag'),
             display_id)
 
         for item in snag:

youtube_dl/extractor/viewster.py

@@ -157,7 +157,7 @@ class ViewsterIE(InfoExtractor):
                         formats.extend(m3u8_formats)
                 else:
                     qualities_basename = self._search_regex(
-                        '/([^/]+)\.csmil/',
+                        r'/([^/]+)\.csmil/',
                         manifest_url, 'qualities basename', default=None)
                     if not qualities_basename:
                         continue

youtube_dl/extractor/viidea.py

@@ -40,7 +40,7 @@ class ViideaIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Automatics, robotics and biocybernetics',
             'description': 'md5:815fc1deb6b3a2bff99de2d5325be482',
-            'thumbnail': 're:http://.*\.jpg',
+            'thumbnail': r're:http://.*\.jpg',
             'timestamp': 1372349289,
             'upload_date': '20130627',
             'duration': 565,
@@ -58,7 +58,7 @@ class ViideaIE(InfoExtractor):
             'ext': 'flv',
             'title': 'NLP at Google',
             'description': 'md5:fc7a6d9bf0302d7cc0e53f7ca23747b3',
-            'thumbnail': 're:http://.*\.jpg',
+            'thumbnail': r're:http://.*\.jpg',
             'timestamp': 1284375600,
             'upload_date': '20100913',
             'duration': 5352,
@@ -74,7 +74,7 @@ class ViideaIE(InfoExtractor):
             'id': '23181',
             'title': 'Deep Learning Summer School, Montreal 2015',
             'description': 'md5:0533a85e4bd918df52a01f0e1ebe87b7',
-            'thumbnail': 're:http://.*\.jpg',
+            'thumbnail': r're:http://.*\.jpg',
             'timestamp': 1438560000,
         },
         'playlist_count': 30,
@@ -85,7 +85,7 @@ class ViideaIE(InfoExtractor):
             'id': '9737',
             'display_id': 'mlss09uk_bishop_ibi',
             'title': 'Introduction To Bayesian Inference',
-            'thumbnail': 're:http://.*\.jpg',
+            'thumbnail': r're:http://.*\.jpg',
             'timestamp': 1251622800,
         },
         'playlist': [{
@@ -94,7 +94,7 @@ class ViideaIE(InfoExtractor):
                 'display_id': 'mlss09uk_bishop_ibi_part1',
                 'ext': 'wmv',
                 'title': 'Introduction To Bayesian Inference (Part 1)',
-                'thumbnail': 're:http://.*\.jpg',
+                'thumbnail': r're:http://.*\.jpg',
                 'duration': 4622,
                 'timestamp': 1251622800,
                 'upload_date': '20090830',
@@ -105,7 +105,7 @@ class ViideaIE(InfoExtractor):
                 'display_id': 'mlss09uk_bishop_ibi_part2',
                 'ext': 'wmv',
                 'title': 'Introduction To Bayesian Inference (Part 2)',
-                'thumbnail': 're:http://.*\.jpg',
+                'thumbnail': r're:http://.*\.jpg',
                 'duration': 5641,
                 'timestamp': 1251622800,
                 'upload_date': '20090830',

youtube_dl/extractor/vimeo.py

@@ -205,7 +205,7 @@ class VimeoIE(VimeoBaseInfoExtractor):
                 'title': "youtube-dl test video - \u2605 \" ' \u5e78 / \\ \u00e4 \u21ad \U0001d550",
                 'description': 'md5:2d3305bad981a06ff79f027f19865021',
                 'upload_date': '20121220',
-                'uploader_url': 're:https?://(?:www\.)?vimeo\.com/user7108434',
+                'uploader_url': r're:https?://(?:www\.)?vimeo\.com/user7108434',
                 'uploader_id': 'user7108434',
                 'uploader': 'Filippo Valsorda',
                 'duration': 10,
@@ -218,7 +218,7 @@ class VimeoIE(VimeoBaseInfoExtractor):
             'info_dict': {
                 'id': '68093876',
                 'ext': 'mp4',
-                'uploader_url': 're:https?://(?:www\.)?vimeo\.com/openstreetmapus',
+                'uploader_url': r're:https?://(?:www\.)?vimeo\.com/openstreetmapus',
                 'uploader_id': 'openstreetmapus',
                 'uploader': 'OpenStreetMap US',
                 'title': 'Andy Allan - Putting the Carto into OpenStreetMap Cartography',
@@ -235,7 +235,7 @@ class VimeoIE(VimeoBaseInfoExtractor):
                 'ext': 'mp4',
                 'title': 'Kathy Sierra: Building the minimum Badass User, Business of Software 2012',
                 'uploader': 'The BLN & Business of Software',
-                'uploader_url': 're:https?://(?:www\.)?vimeo\.com/theblnbusinessofsoftware',
+                'uploader_url': r're:https?://(?:www\.)?vimeo\.com/theblnbusinessofsoftware',
                 'uploader_id': 'theblnbusinessofsoftware',
                 'duration': 3610,
                 'description': None,
@@ -250,7 +250,7 @@ class VimeoIE(VimeoBaseInfoExtractor):
                 'ext': 'mp4',
                 'title': 'youtube-dl password protected test video',
                 'upload_date': '20130614',
-                'uploader_url': 're:https?://(?:www\.)?vimeo\.com/user18948128',
+                'uploader_url': r're:https?://(?:www\.)?vimeo\.com/user18948128',
                 'uploader_id': 'user18948128',
                 'uploader': 'Jaime Marquínez Ferrándiz',
                 'duration': 10,
@@ -268,7 +268,7 @@ class VimeoIE(VimeoBaseInfoExtractor):
                 'ext': 'mp4',
                 'title': 'Key & Peele: Terrorist Interrogation',
                 'description': 'md5:8678b246399b070816b12313e8b4eb5c',
-                'uploader_url': 're:https?://(?:www\.)?vimeo\.com/atencio',
+                'uploader_url': r're:https?://(?:www\.)?vimeo\.com/atencio',
                 'uploader_id': 'atencio',
                 'uploader': 'Peter Atencio',
                 'upload_date': '20130927',
@@ -284,7 +284,7 @@ class VimeoIE(VimeoBaseInfoExtractor):
                 'title': 'The New Vimeo Player (You Know, For Videos)',
                 'description': 'md5:2ec900bf97c3f389378a96aee11260ea',
                 'upload_date': '20131015',
-                'uploader_url': 're:https?://(?:www\.)?vimeo\.com/staff',
+                'uploader_url': r're:https?://(?:www\.)?vimeo\.com/staff',
                 'uploader_id': 'staff',
                 'uploader': 'Vimeo Staff',
                 'duration': 62,
@@ -299,7 +299,7 @@ class VimeoIE(VimeoBaseInfoExtractor):
                 'ext': 'mp4',
                 'title': 'Pier Solar OUYA Official Trailer',
                 'uploader': 'Tulio Gonçalves',
-                'uploader_url': 're:https?://(?:www\.)?vimeo\.com/user28849593',
+                'uploader_url': r're:https?://(?:www\.)?vimeo\.com/user28849593',
                 'uploader_id': 'user28849593',
             },
         },
@@ -312,7 +312,7 @@ class VimeoIE(VimeoBaseInfoExtractor):
                 'ext': 'mp4',
                 'title': 'FOX CLASSICS - Forever Classic ID - A Full Minute',
                 'uploader': 'The DMCI',
-                'uploader_url': 're:https?://(?:www\.)?vimeo\.com/dmci',
+                'uploader_url': r're:https?://(?:www\.)?vimeo\.com/dmci',
                 'uploader_id': 'dmci',
                 'upload_date': '20111220',
                 'description': 'md5:ae23671e82d05415868f7ad1aec21147',
@@ -327,7 +327,7 @@ class VimeoIE(VimeoBaseInfoExtractor):
                 'ext': 'mp4',
                 'title': 'Vimeo Tribute: The Shining',
                 'uploader': 'Casey Donahue',
-                'uploader_url': 're:https?://(?:www\.)?vimeo\.com/caseydonahue',
+                'uploader_url': r're:https?://(?:www\.)?vimeo\.com/caseydonahue',
                 'uploader_id': 'caseydonahue',
                 'upload_date': '20090821',
                 'description': 'md5:bdbf314014e58713e6e5b66eb252f4a6',
@@ -346,7 +346,7 @@ class VimeoIE(VimeoBaseInfoExtractor):
                 'ext': 'mp4',
                 'title': 'The Reluctant Revolutionary',
                 'uploader': '10Ft Films',
-                'uploader_url': 're:https?://(?:www\.)?vimeo\.com/tenfootfilms',
+                'uploader_url': r're:https?://(?:www\.)?vimeo\.com/tenfootfilms',
                 'uploader_id': 'tenfootfilms',
             },
             'params': {
@@ -497,7 +497,7 @@ class VimeoIE(VimeoBaseInfoExtractor):
             except RegexNotFoundError:
                 # For pro videos or player.vimeo.com urls
                 # We try to find out to which variable is assigned the config dic
-                m_variable_name = re.search('(\w)\.video\.id', webpage)
+                m_variable_name = re.search(r'(\w)\.video\.id', webpage)
                 if m_variable_name is not None:
                     config_re = r'%s=({[^}].+?});' % re.escape(m_variable_name.group(1))
                 else:
@@ -626,7 +626,7 @@ class VimeoOndemandIE(VimeoBaseInfoExtractor):
             'ext': 'mp4',
             'title': 'המעבדה - במאי יותם פלדמן',
             'uploader': 'גם סרטים',
-            'uploader_url': 're:https?://(?:www\.)?vimeo\.com/gumfilms',
+            'uploader_url': r're:https?://(?:www\.)?vimeo\.com/gumfilms',
             'uploader_id': 'gumfilms',
         },
     }, {
@@ -637,7 +637,7 @@ class VimeoOndemandIE(VimeoBaseInfoExtractor):
             'ext': 'mp4',
             'title': 'Rävlock, rätt läte på rätt plats',
             'uploader': 'Lindroth & Norin',
-            'uploader_url': 're:https?://(?:www\.)?vimeo\.com/user14430847',
+            'uploader_url': r're:https?://(?:www\.)?vimeo\.com/user14430847',
             'uploader_id': 'user14430847',
         },
         'params': {
@@ -857,7 +857,7 @@ class VimeoReviewIE(VimeoBaseInfoExtractor):
             'title': 're:(?i)^Death by dogma versus assembling agile . Sander Hoogendoorn',
             'uploader': 'DevWeek Events',
             'duration': 2773,
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'uploader_id': 'user22258446',
         }
     }, {

youtube_dl/extractor/vimple.py

@@ -37,7 +37,7 @@ class VimpleIE(SprutoBaseIE):
             'ext': 'mp4',
             'title': 'Sunset',
             'duration': 20,
-            'thumbnail': 're:https?://.*?\.jpg',
+            'thumbnail': r're:https?://.*?\.jpg',
         },
     }, {
         'url': 'http://player.vimple.ru/iframe/52e1beec-1314-4a83-aeac-c61562eadbf9',

youtube_dl/extractor/vodlocker.py

@@ -20,7 +20,7 @@ class VodlockerIE(InfoExtractor):
             'id': 'e8wvyzz4sl42',
             'ext': 'mp4',
             'title': 'Germany vs Brazil',
-            'thumbnail': 're:http://.*\.jpg',
+            'thumbnail': r're:http://.*\.jpg',
         },
     }]
 

youtube_dl/extractor/voicerepublic.py

@@ -26,7 +26,7 @@ class VoiceRepublicIE(InfoExtractor):
             'ext': 'm4a',
             'title': 'Watching the Watchers: Building a Sousveillance State',
             'description': 'Secret surveillance programs have metadata too. The people and companies that operate secret surveillance programs can be surveilled.',
-            'thumbnail': 're:^https?://.*\.(?:png|jpg)$',
+            'thumbnail': r're:^https?://.*\.(?:png|jpg)$',
             'duration': 1800,
             'view_count': int,
         }

youtube_dl/extractor/vporn.py

@@ -23,7 +23,7 @@ class VpornIE(InfoExtractor):
                 'ext': 'mp4',
                 'title': 'Violet on her 19th birthday',
                 'description': 'Violet dances in front of the camera which is sure to get you horny.',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
                 'uploader': 'kileyGrope',
                 'categories': ['Masturbation', 'Teen'],
                 'duration': 393,
@@ -41,7 +41,7 @@ class VpornIE(InfoExtractor):
                 'ext': 'mp4',
                 'title': 'Hana Shower',
                 'description': 'Hana showers at the bathroom.',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
                 'uploader': 'Hmmmmm',
                 'categories': ['Big Boobs', 'Erotic', 'Teen', 'Female', '720p'],
                 'duration': 588,

youtube_dl/extractor/vube.py

@@ -26,7 +26,7 @@ class VubeIE(InfoExtractor):
                 'ext': 'mp4',
                 'title': 'Best Drummer Ever [HD]',
                 'description': 'md5:2d63c4b277b85c2277761c2cf7337d71',
-                'thumbnail': 're:^https?://.*\.jpg',
+                'thumbnail': r're:^https?://.*\.jpg',
                 'uploader': 'William',
                 'timestamp': 1406876915,
                 'upload_date': '20140801',
@@ -45,7 +45,7 @@ class VubeIE(InfoExtractor):
                 'ext': 'mp4',
                 'title': 'Chiara Grispo - Price Tag by Jessie J',
                 'description': 'md5:8ea652a1f36818352428cb5134933313',
-                'thumbnail': 're:^http://frame\.thestaticvube\.com/snap/[0-9x]+/102e7e63057-5ebc-4f5c-4065-6ce4ebde131f\.jpg$',
+                'thumbnail': r're:^http://frame\.thestaticvube\.com/snap/[0-9x]+/102e7e63057-5ebc-4f5c-4065-6ce4ebde131f\.jpg$',
                 'uploader': 'Chiara.Grispo',
                 'timestamp': 1388743358,
                 'upload_date': '20140103',
@@ -65,7 +65,7 @@ class VubeIE(InfoExtractor):
                 'ext': 'mp4',
                 'title': 'My 7 year old Sister and I singing "Alive" by Krewella',
                 'description': 'md5:40bcacb97796339f1690642c21d56f4a',
-                'thumbnail': 're:^http://frame\.thestaticvube\.com/snap/[0-9x]+/102265d5a9f-0f17-4f6b-5753-adf08484ee1e\.jpg$',
+                'thumbnail': r're:^http://frame\.thestaticvube\.com/snap/[0-9x]+/102265d5a9f-0f17-4f6b-5753-adf08484ee1e\.jpg$',
                 'uploader': 'Seraina',
                 'timestamp': 1396492438,
                 'upload_date': '20140403',
@@ -84,7 +84,7 @@ class VubeIE(InfoExtractor):
                 'ext': 'mp4',
                 'title': 'Frozen - Let It Go Cover by Siren Gene',
                 'description': 'My rendition of "Let It Go" originally sung by Idina Menzel.',
-                'thumbnail': 're:^http://frame\.thestaticvube\.com/snap/[0-9x]+/10283ab622a-86c9-4681-51f2-30d1f65774af\.jpg$',
+                'thumbnail': r're:^http://frame\.thestaticvube\.com/snap/[0-9x]+/10283ab622a-86c9-4681-51f2-30d1f65774af\.jpg$',
                 'uploader': 'Siren',
                 'timestamp': 1395448018,
                 'upload_date': '20140322',

youtube_dl/extractor/walla.py

@@ -20,7 +20,7 @@ class WallaIE(InfoExtractor):
             'ext': 'flv',
             'title': 'וואן דיירקשן: ההיסטריה',
             'description': 'md5:de9e2512a92442574cdb0913c49bc4d8',
-            'thumbnail': 're:^https?://.*\.jpg',
+            'thumbnail': r're:^https?://.*\.jpg',
             'duration': 3600,
         },
         'params': {

youtube_dl/extractor/watchindianporn.py

@@ -22,7 +22,7 @@ class WatchIndianPornIE(InfoExtractor):
             'display_id': 'hot-milf-from-kerala-shows-off-her-gorgeous-large-breasts-on-camera',
             'ext': 'mp4',
             'title': 'Hot milf from kerala shows off her gorgeous large breasts on camera',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'uploader': 'LoveJay',
             'upload_date': '20160428',
             'duration': 226,

youtube_dl/extractor/webcaster.py

@@ -20,7 +20,7 @@ class WebcasterIE(InfoExtractor):
             'id': 'c8cefd240aa593681c8d068cff59f407_hd',
             'ext': 'mp4',
             'title': 'Сибирь - Нефтехимик. Лучшие моменты первого периода',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         },
     }, {
         'url': 'http://bl.webcaster.pro/media/start/free_6246c7a4453ac4c42b4398f840d13100_hd/2_2991109016/e8d0d82587ef435480118f9f9c41db41/4635726126',

youtube_dl/extractor/webofstories.py

@@ -19,7 +19,7 @@ class WebOfStoriesIE(InfoExtractor):
             'id': '4536',
             'ext': 'mp4',
             'title': 'The temperature of the sun',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'description': 'Hans Bethe talks about calculating the temperature of the sun',
             'duration': 238,
         }
@@ -30,7 +30,7 @@ class WebOfStoriesIE(InfoExtractor):
             'id': '55908',
             'ext': 'mp4',
             'title': 'The story of Gemmata obscuriglobus',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'description': 'Planctomycete talks about The story of Gemmata obscuriglobus',
             'duration': 169,
         },
@@ -42,7 +42,7 @@ class WebOfStoriesIE(InfoExtractor):
             'id': '54215',
             'ext': 'mp4',
             'title': '"A Leg to Stand On"',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'description': 'Oliver Sacks talks about the death and resurrection of a limb',
             'duration': 97,
         },
@@ -134,7 +134,7 @@ class WebOfStoriesPlaylistIE(InfoExtractor):
 
         entries = [
             self.url_result('http://www.webofstories.com/play/%s' % video_number, 'WebOfStories')
-            for video_number in set(re.findall('href="/playAll/%s\?sId=(\d+)"' % playlist_id, webpage))
+            for video_number in set(re.findall(r'href="/playAll/%s\?sId=(\d+)"' % playlist_id, webpage))
         ]
 
         title = self._search_regex(

youtube_dl/extractor/weiqitv.py

@@ -37,11 +37,11 @@ class WeiqiTVIE(InfoExtractor):
         page = self._download_webpage(url, media_id)
 
         info_json_str = self._search_regex(
-            'var\s+video\s*=\s*(.+});', page, 'info json str')
+            r'var\s+video\s*=\s*(.+});', page, 'info json str')
         info_json = self._parse_json(info_json_str, media_id)
 
         letvcloud_url = self._search_regex(
-            'var\s+letvurl\s*=\s*"([^"]+)', page, 'letvcloud url')
+            r'var\s+letvurl\s*=\s*"([^"]+)', page, 'letvcloud url')
 
         return {
             '_type': 'url_transparent',

youtube_dl/extractor/xbef.py

@@ -14,7 +14,7 @@ class XBefIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'md5:7358a9faef8b7b57acda7c04816f170e',
             'age_limit': 18,
-            'thumbnail': 're:^http://.*\.jpg',
+            'thumbnail': r're:^http://.*\.jpg',
         }
     }
 

youtube_dl/extractor/xfileshare.py

@@ -44,7 +44,7 @@ class XFileShareIE(InfoExtractor):
             'id': '06y9juieqpmi',
             'ext': 'mp4',
             'title': 'Rebecca Black My Moment Official Music Video Reaction-6GK87Rc8bzQ',
-            'thumbnail': 're:http://.*\.jpg',
+            'thumbnail': r're:http://.*\.jpg',
         },
     }, {
         'url': 'http://gorillavid.in/embed-z08zf8le23c6-960x480.html',
@@ -56,7 +56,7 @@ class XFileShareIE(InfoExtractor):
             'id': '3rso4kdn6f9m',
             'ext': 'mp4',
             'title': 'Micro Pig piglets ready on 16th July 2009-bG0PdrCdxUc',
-            'thumbnail': 're:http://.*\.jpg',
+            'thumbnail': r're:http://.*\.jpg',
         }
     }, {
         'url': 'http://movpod.in/0wguyyxi1yca',
@@ -67,7 +67,7 @@ class XFileShareIE(InfoExtractor):
             'id': '3ivfabn7573c',
             'ext': 'mp4',
             'title': 'youtube-dl test video \'äBaW_jenozKc.mp4.mp4',
-            'thumbnail': 're:http://.*\.jpg',
+            'thumbnail': r're:http://.*\.jpg',
         },
         'skip': 'Video removed',
     }, {

youtube_dl/extractor/xuite.py

@@ -24,7 +24,7 @@ class XuiteIE(InfoExtractor):
             'id': '3860914',
             'ext': 'mp3',
             'title': '孤單南半球-歐德陽',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 247.246,
             'timestamp': 1314932940,
             'upload_date': '20110902',
@@ -40,7 +40,7 @@ class XuiteIE(InfoExtractor):
             'id': '25925099',
             'ext': 'mp4',
             'title': 'BigBuckBunny_320x180',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 596.458,
             'timestamp': 1454242500,
             'upload_date': '20160131',
@@ -58,7 +58,7 @@ class XuiteIE(InfoExtractor):
             'ext': 'mp4',
             'title': '暗殺教室 02',
             'description': '字幕:【極影字幕社】',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 1384.907,
             'timestamp': 1421481240,
             'upload_date': '20150117',

youtube_dl/extractor/yesjapan.py

@@ -21,7 +21,7 @@ class YesJapanIE(InfoExtractor):
             'ext': 'mp4',
             'timestamp': 1416391590,
             'upload_date': '20141119',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         }
     }
 

youtube_dl/extractor/yinyuetai.py

@@ -18,7 +18,7 @@ class YinYueTaiIE(InfoExtractor):
             'title': '少女时代_PARTY_Music Video Teaser',
             'creator': '少女时代',
             'duration': 25,
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         },
     }, {
         'url': 'http://v.yinyuetai.com/video/h5/2322376',

youtube_dl/extractor/ynet.py

@@ -17,7 +17,7 @@ class YnetIE(InfoExtractor):
                 'id': 'L-11659-99244',
                 'ext': 'flv',
                 'title': 'איש לא יודע מאיפה באנו',
-                'thumbnail': 're:^https?://.*\.jpg',
+                'thumbnail': r're:^https?://.*\.jpg',
             }
         }, {
             'url': 'http://hot.ynet.co.il/home/0,7340,L-8859-84418,00.html',
@@ -25,7 +25,7 @@ class YnetIE(InfoExtractor):
                 'id': 'L-8859-84418',
                 'ext': 'flv',
                 'title': "צפו: הנשיקה הלוהטת של תורגי' ויוליה פלוטקין",
-                'thumbnail': 're:^https?://.*\.jpg',
+                'thumbnail': r're:^https?://.*\.jpg',
             }
         }
     ]

youtube_dl/extractor/youporn.py

@@ -24,7 +24,7 @@ class YouPornIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Sex Ed: Is It Safe To Masturbate Daily?',
             'description': 'Love & Sex Answers: http://bit.ly/DanAndJenn -- Is It Unhealthy To Masturbate Daily?',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'uploader': 'Ask Dan And Jennifer',
             'upload_date': '20101221',
             'average_rating': int,
@@ -43,7 +43,7 @@ class YouPornIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Big Tits Awesome Brunette On amazing webcam show',
             'description': 'http://sweetlivegirls.com Big Tits Awesome Brunette On amazing webcam show.mp4',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
             'uploader': 'Unknown',
             'upload_date': '20111125',
             'average_rating': int,

youtube_dl/extractor/yourupload.py

@@ -19,7 +19,7 @@ class YourUploadIE(InfoExtractor):
                 'id': '14i14h',
                 'ext': 'mp4',
                 'title': 'BigBuckBunny_320x180.mp4',
-                'thumbnail': 're:^https?://.*\.jpe?g',
+                'thumbnail': r're:^https?://.*\.jpe?g',
             }
         },
         {

youtube_dl/extractor/youtube.py

@@ -376,7 +376,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'title': 'youtube-dl test video "\'/\\ä↭𝕐',
                 'uploader': 'Philipp Hagemeister',
                 'uploader_id': 'phihag',
-                'uploader_url': 're:https?://(?:www\.)?youtube\.com/user/phihag',
+                'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/phihag',
                 'upload_date': '20121002',
                 'license': 'Standard YouTube License',
                 'description': 'test chars:  "\'/\\ä↭𝕐\ntest URL: https://github.com/rg3/youtube-dl/issues/1892\n\nThis is a test video for youtube-dl.\n\nFor more information, contact phihag@phihag.de .',
@@ -403,7 +403,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                          'iconic ep', 'iconic', 'love', 'it'],
                 'uploader': 'Icona Pop',
                 'uploader_id': 'IconaPop',
-                'uploader_url': 're:https?://(?:www\.)?youtube\.com/user/IconaPop',
+                'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/IconaPop',
                 'license': 'Standard YouTube License',
                 'creator': 'Icona Pop',
             }
@@ -420,7 +420,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'description': 'md5:64249768eec3bc4276236606ea996373',
                 'uploader': 'justintimberlakeVEVO',
                 'uploader_id': 'justintimberlakeVEVO',
-                'uploader_url': 're:https?://(?:www\.)?youtube\.com/user/justintimberlakeVEVO',
+                'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/justintimberlakeVEVO',
                 'license': 'Standard YouTube License',
                 'creator': 'Justin Timberlake',
                 'age_limit': 18,
@@ -437,7 +437,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'description': 'md5:09b78bd971f1e3e289601dfba15ca4f7',
                 'uploader': 'SET India',
                 'uploader_id': 'setindia',
-                'uploader_url': 're:https?://(?:www\.)?youtube\.com/user/setindia',
+                'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/setindia',
                 'license': 'Standard YouTube License',
                 'age_limit': 18,
             }
@@ -451,7 +451,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'title': 'youtube-dl test video "\'/\\ä↭𝕐',
                 'uploader': 'Philipp Hagemeister',
                 'uploader_id': 'phihag',
-                'uploader_url': 're:https?://(?:www\.)?youtube\.com/user/phihag',
+                'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/phihag',
                 'upload_date': '20121002',
                 'license': 'Standard YouTube License',
                 'description': 'test chars:  "\'/\\ä↭𝕐\ntest URL: https://github.com/rg3/youtube-dl/issues/1892\n\nThis is a test video for youtube-dl.\n\nFor more information, contact phihag@phihag.de .',
@@ -472,7 +472,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'ext': 'm4a',
                 'upload_date': '20121002',
                 'uploader_id': '8KVIDEO',
-                'uploader_url': 're:https?://(?:www\.)?youtube\.com/user/8KVIDEO',
+                'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/8KVIDEO',
                 'description': '',
                 'uploader': '8KVIDEO',
                 'license': 'Standard YouTube License',
@@ -531,7 +531,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'upload_date': '20100909',
                 'uploader': 'The Amazing Atheist',
                 'uploader_id': 'TheAmazingAtheist',
-                'uploader_url': 're:https?://(?:www\.)?youtube\.com/user/TheAmazingAtheist',
+                'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/TheAmazingAtheist',
                 'license': 'Standard YouTube License',
                 'title': 'Burning Everyone\'s Koran',
                 'description': 'SUBSCRIBE: http://www.youtube.com/saturninefilms\n\nEven Obama has taken a stand against freedom on this issue: http://www.huffingtonpost.com/2010/09/09/obama-gma-interview-quran_n_710282.html',
@@ -544,10 +544,10 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'id': 'HtVdAasjOgU',
                 'ext': 'mp4',
                 'title': 'The Witcher 3: Wild Hunt - The Sword Of Destiny Trailer',
-                'description': 're:(?s).{100,}About the Game\n.*?The Witcher 3: Wild Hunt.{100,}',
+                'description': r're:(?s).{100,}About the Game\n.*?The Witcher 3: Wild Hunt.{100,}',
                 'uploader': 'The Witcher',
                 'uploader_id': 'WitcherGame',
-                'uploader_url': 're:https?://(?:www\.)?youtube\.com/user/WitcherGame',
+                'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/WitcherGame',
                 'upload_date': '20140605',
                 'license': 'Standard YouTube License',
                 'age_limit': 18,
@@ -563,7 +563,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'description': 'md5:33765bb339e1b47e7e72b5490139bb41',
                 'uploader': 'LloydVEVO',
                 'uploader_id': 'LloydVEVO',
-                'uploader_url': 're:https?://(?:www\.)?youtube\.com/user/LloydVEVO',
+                'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/LloydVEVO',
                 'upload_date': '20110629',
                 'license': 'Standard YouTube License',
                 'age_limit': 18,
@@ -577,7 +577,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'ext': 'mp4',
                 'upload_date': '20100430',
                 'uploader_id': 'deadmau5',
-                'uploader_url': 're:https?://(?:www\.)?youtube\.com/user/deadmau5',
+                'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/deadmau5',
                 'creator': 'deadmau5',
                 'description': 'md5:12c56784b8032162bb936a5f76d55360',
                 'uploader': 'deadmau5',
@@ -597,7 +597,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'ext': 'mp4',
                 'upload_date': '20150827',
                 'uploader_id': 'olympic',
-                'uploader_url': 're:https?://(?:www\.)?youtube\.com/user/olympic',
+                'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/olympic',
                 'license': 'Standard YouTube License',
                 'description': 'HO09  - Women -  GER-AUS - Hockey - 31 July 2012 - London 2012 Olympic Games',
                 'uploader': 'Olympic',
@@ -616,7 +616,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'stretched_ratio': 16 / 9.,
                 'upload_date': '20110310',
                 'uploader_id': 'AllenMeow',
-                'uploader_url': 're:https?://(?:www\.)?youtube\.com/user/AllenMeow',
+                'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/AllenMeow',
                 'description': 'made by Wacom from Korea | 字幕&加油添醋 by TY\'s Allen | 感謝heylisa00cavey1001同學熱情提供梗及翻譯',
                 'uploader': '孫艾倫',
                 'license': 'Standard YouTube License',
@@ -650,7 +650,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'description': 'md5:116377fd2963b81ec4ce64b542173306',
                 'upload_date': '20150625',
                 'uploader_id': 'dorappi2000',
-                'uploader_url': 're:https?://(?:www\.)?youtube\.com/user/dorappi2000',
+                'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/dorappi2000',
                 'uploader': 'dorappi2000',
                 'license': 'Standard YouTube License',
                 'formats': 'mincount:32',
@@ -693,7 +693,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                     'upload_date': '20150721',
                     'uploader': 'Beer Games Beer',
                     'uploader_id': 'beergamesbeer',
-                    'uploader_url': 're:https?://(?:www\.)?youtube\.com/user/beergamesbeer',
+                    'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/beergamesbeer',
                     'license': 'Standard YouTube License',
                 },
             }, {
@@ -705,7 +705,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                     'upload_date': '20150721',
                     'uploader': 'Beer Games Beer',
                     'uploader_id': 'beergamesbeer',
-                    'uploader_url': 're:https?://(?:www\.)?youtube\.com/user/beergamesbeer',
+                    'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/beergamesbeer',
                     'license': 'Standard YouTube License',
                 },
             }, {
@@ -717,7 +717,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                     'upload_date': '20150721',
                     'uploader': 'Beer Games Beer',
                     'uploader_id': 'beergamesbeer',
-                    'uploader_url': 're:https?://(?:www\.)?youtube\.com/user/beergamesbeer',
+                    'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/beergamesbeer',
                     'license': 'Standard YouTube License',
                 },
             }, {
@@ -729,7 +729,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                     'upload_date': '20150721',
                     'uploader': 'Beer Games Beer',
                     'uploader_id': 'beergamesbeer',
-                    'uploader_url': 're:https?://(?:www\.)?youtube\.com/user/beergamesbeer',
+                    'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/beergamesbeer',
                     'license': 'Standard YouTube License',
                 },
             }],
@@ -769,7 +769,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'description': 'md5:8085699c11dc3f597ce0410b0dcbb34a',
                 'upload_date': '20151119',
                 'uploader_id': 'IronSoulElf',
-                'uploader_url': 're:https?://(?:www\.)?youtube\.com/user/IronSoulElf',
+                'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/IronSoulElf',
                 'uploader': 'IronSoulElf',
                 'license': 'Standard YouTube License',
                 'creator': 'Todd Haberman, Daniel Law Heath & Aaron Kaplan',
@@ -810,7 +810,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'description': 'md5:a677553cf0840649b731a3024aeff4cc',
                 'upload_date': '20150127',
                 'uploader_id': 'BerkmanCenter',
-                'uploader_url': 're:https?://(?:www\.)?youtube\.com/user/BerkmanCenter',
+                'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/BerkmanCenter',
                 'uploader': 'BerkmanCenter',
                 'license': 'Creative Commons Attribution license (reuse allowed)',
             },
@@ -829,7 +829,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'upload_date': '20151119',
                 'uploader': 'Bernie 2016',
                 'uploader_id': 'UCH1dpzjCEiGAt8CXkryhkZg',
-                'uploader_url': 're:https?://(?:www\.)?youtube\.com/channel/UCH1dpzjCEiGAt8CXkryhkZg',
+                'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UCH1dpzjCEiGAt8CXkryhkZg',
                 'license': 'Creative Commons Attribution license (reuse allowed)',
             },
             'params': {
@@ -856,7 +856,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'upload_date': '20150811',
                 'uploader': 'FlixMatrix',
                 'uploader_id': 'FlixMatrixKaravan',
-                'uploader_url': 're:https?://(?:www\.)?youtube\.com/user/FlixMatrixKaravan',
+                'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/FlixMatrixKaravan',
                 'license': 'Standard YouTube License',
             },
             'params': {
@@ -1877,7 +1877,7 @@ class YoutubePlaylistIE(YoutubePlaylistBaseInfoExtractor):
             'title': "Smiley's People 01 detective, Adventure Series, Action",
             'uploader': 'STREEM',
             'uploader_id': 'UCyPhqAZgwYWZfxElWVbVJng',
-            'uploader_url': 're:https?://(?:www\.)?youtube\.com/channel/UCyPhqAZgwYWZfxElWVbVJng',
+            'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UCyPhqAZgwYWZfxElWVbVJng',
             'upload_date': '20150526',
             'license': 'Standard YouTube License',
             'description': 'md5:507cdcb5a49ac0da37a920ece610be80',
@@ -1898,7 +1898,7 @@ class YoutubePlaylistIE(YoutubePlaylistBaseInfoExtractor):
             'title': 'Small Scale Baler and Braiding Rugs',
             'uploader': 'Backus-Page House Museum',
             'uploader_id': 'backuspagemuseum',
-            'uploader_url': 're:https?://(?:www\.)?youtube\.com/user/backuspagemuseum',
+            'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/backuspagemuseum',
             'upload_date': '20161008',
             'license': 'Standard YouTube License',
             'description': 'md5:800c0c78d5eb128500bffd4f0b4f2e8a',
@@ -2186,7 +2186,7 @@ class YoutubeLiveIE(YoutubeBaseInfoExtractor):
             'title': 'The Young Turks - Live Main Show',
             'uploader': 'The Young Turks',
             'uploader_id': 'TheYoungTurks',
-            'uploader_url': 're:https?://(?:www\.)?youtube\.com/user/TheYoungTurks',
+            'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/TheYoungTurks',
             'upload_date': '20150715',
             'license': 'Standard YouTube License',
             'description': 'md5:438179573adcdff3c97ebb1ee632b891',

youtube_dl/extractor/zapiks.py

@@ -24,7 +24,7 @@ class ZapiksIE(InfoExtractor):
                 'ext': 'mp4',
                 'title': 'EP2S3 - Bon Appétit - Eh bé viva les pyrénées con!',
                 'description': 'md5:7054d6f6f620c6519be1fe710d4da847',
-                'thumbnail': 're:^https?://.*\.jpg$',
+                'thumbnail': r're:^https?://.*\.jpg$',
                 'duration': 528,
                 'timestamp': 1359044972,
                 'upload_date': '20130124',

youtube_dl/extractor/zdf.py

@@ -266,7 +266,7 @@ class ZDFChannelIE(ZDFBaseIE):
         return self.playlist_result(
             entries, channel_id, self._og_search_title(webpage, fatal=False))
 
-        """
+        r"""
         player = self._extract_player(webpage, channel_id)
 
         channel_id = self._search_regex(

youtube_dl/extractor/zingmp3.py

@@ -95,7 +95,7 @@ class ZingMp3IE(ZingMp3BaseInfoExtractor):
             'id': 'ZWZB9WAB',
             'title': 'Xa Mãi Xa',
             'ext': 'mp3',
-            'thumbnail': 're:^https?://.*\.jpg$',
+            'thumbnail': r're:^https?://.*\.jpg$',
         },
     }, {
         'url': 'http://mp3.zing.vn/video-clip/Let-It-Go-Frozen-OST-Sungha-Jung/ZW6BAEA0.html',

youtube_dl/postprocessor/metadatafromtitle.py

@@ -12,7 +12,7 @@ class MetadataFromTitlePP(PostProcessor):
         self._titleregex = self.format_to_regex(titleformat)
 
     def format_to_regex(self, fmt):
-        """
+        r"""
         Converts a string like
            '%(title)s - %(artist)s'
         to a regex like

youtube_dl/utils.py

@@ -501,7 +501,7 @@ def sanitize_path(s):
     if drive_or_unc:
         norm_path.pop(0)
     sanitized_path = [
-        path_part if path_part in ['.', '..'] else re.sub('(?:[/<>:"\\|\\\\?\\*]|[\s.]$)', '#', path_part)
+        path_part if path_part in ['.', '..'] else re.sub(r'(?:[/<>:"\|\\?\*]|[\s.]$)', '#', path_part)
         for path_part in norm_path]
     if drive_or_unc:
         sanitized_path.insert(0, drive_or_unc + os.path.sep)
@@ -1183,7 +1183,7 @@ def date_from_str(date_str):
         return today
     if date_str == 'yesterday':
         return today - datetime.timedelta(days=1)
-    match = re.match('(now|today)(?P<sign>[+-])(?P<time>\d+)(?P<unit>day|week|month|year)(s)?', date_str)
+    match = re.match(r'(now|today)(?P<sign>[+-])(?P<time>\d+)(?P<unit>day|week|month|year)(s)?', date_str)
     if match is not None:
         sign = match.group('sign')
         time = int(match.group('time'))