[refactor] Single quotes consistency

2025-10-01 22:08:36 +09:00 · 2016-02-14 15:37:17 +06:00
parent d800609c62
commit 611c1dd96e
59 changed files with 302 additions and 302 deletions
--- a/youtube_dl/extractor/aenetworks.py
+++ b/youtube_dl/extractor/aenetworks.py
@@ -28,7 +28,7 @@ class AENetworksIE(InfoExtractor):
        'info_dict': {
            'id': 'eg47EERs_JsZ',
            'ext': 'mp4',
-            'title': "Winter Is Coming",
+            'title': 'Winter Is Coming',
            'description': 'md5:641f424b7a19d8e24f26dea22cf59d74',
        },
        'params': {
--- a/youtube_dl/extractor/bbc.py
+++ b/youtube_dl/extractor/bbc.py
@@ -86,7 +86,7 @@ class BBCCoUkIE(InfoExtractor):
                'id': 'b00yng1d',
                'ext': 'flv',
                'title': 'The Voice UK: Series 3: Blind Auditions 5',
-                'description': "Emma Willis and Marvin Humes present the fifth set of blind auditions in the singing competition, as the coaches continue to build their teams based on voice alone.",
+                'description': 'Emma Willis and Marvin Humes present the fifth set of blind auditions in the singing competition, as the coaches continue to build their teams based on voice alone.',
                'duration': 5100,
            },
            'params': {
--- a/youtube_dl/extractor/ccc.py
+++ b/youtube_dl/extractor/ccc.py
@@ -45,7 +45,7 @@ class CCCIE(InfoExtractor):
        title = self._html_search_regex(
            r'(?s)<h1>(.*?)</h1>', webpage, 'title')
        description = self._html_search_regex(
-            r"(?s)<h3>About</h3>(.+?)<h3>",
+            r'(?s)<h3>About</h3>(.+?)<h3>',
            webpage, 'description', fatal=False)
        upload_date = unified_strdate(self._html_search_regex(
            r"(?s)<span[^>]+class='[^']*fa-calendar-o'[^>]*>(.+?)</span>",
--- a/youtube_dl/extractor/ceskatelevize.py
+++ b/youtube_dl/extractor/ceskatelevize.py
@@ -177,16 +177,16 @@ class CeskaTelevizeIE(InfoExtractor):
            for divider in [1000, 60, 60, 100]:
                components.append(msec % divider)
                msec //= divider
-            return "{3:02}:{2:02}:{1:02},{0:03}".format(*components)
+            return '{3:02}:{2:02}:{1:02},{0:03}'.format(*components)

        def _fix_subtitle(subtitle):
            for line in subtitle.splitlines():
-                m = re.match(r"^\s*([0-9]+);\s*([0-9]+)\s+([0-9]+)\s*$", line)
+                m = re.match(r'^\s*([0-9]+);\s*([0-9]+)\s+([0-9]+)\s*$', line)
                if m:
                    yield m.group(1)
                    start, stop = (_msectotimecode(int(t)) for t in m.groups()[1:])
-                    yield "{0} --> {1}".format(start, stop)
+                    yield '{0} --> {1}'.format(start, stop)
                else:
                    yield line

-        return "\r\n".join(_fix_subtitle(subtitles))
+        return '\r\n'.join(_fix_subtitle(subtitles))
--- a/youtube_dl/extractor/cnn.py
+++ b/youtube_dl/extractor/cnn.py
@@ -26,14 +26,14 @@ class CNNIE(InfoExtractor):
            'upload_date': '20130609',
        },
    }, {
-        "url": "http://edition.cnn.com/video/?/video/us/2013/08/21/sot-student-gives-epic-speech.georgia-institute-of-technology&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+rss%2Fcnn_topstories+%28RSS%3A+Top+Stories%29",
-        "md5": "b5cc60c60a3477d185af8f19a2a26f4e",
-        "info_dict": {
+        'url': 'http://edition.cnn.com/video/?/video/us/2013/08/21/sot-student-gives-epic-speech.georgia-institute-of-technology&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+rss%2Fcnn_topstories+%28RSS%3A+Top+Stories%29',
+        'md5': 'b5cc60c60a3477d185af8f19a2a26f4e',
+        'info_dict': {
            'id': 'us/2013/08/21/sot-student-gives-epic-speech.georgia-institute-of-technology',
            'ext': 'mp4',
-            "title": "Student's epic speech stuns new freshmen",
-            "description": "A Georgia Tech student welcomes the incoming freshmen with an epic speech backed by music from \"2001: A Space Odyssey.\"",
-            "upload_date": "20130821",
+            'title': "Student's epic speech stuns new freshmen",
+            'description': "A Georgia Tech student welcomes the incoming freshmen with an epic speech backed by music from \"2001: A Space Odyssey.\"",
+            'upload_date': '20130821',
        }
    }, {
        'url': 'http://www.cnn.com/video/data/2.0/video/living/2014/12/22/growing-america-nashville-salemtown-board-episode-1.hln.html',
--- a/youtube_dl/extractor/collegerama.py
+++ b/youtube_dl/extractor/collegerama.py
@@ -46,9 +46,9 @@ class CollegeRamaIE(InfoExtractor):
        video_id = self._match_id(url)

        player_options_request = {
-            "getPlayerOptionsRequest": {
-                "ResourceId": video_id,
-                "QueryString": "",
+            'getPlayerOptionsRequest': {
+                'ResourceId': video_id,
+                'QueryString': '',
            }
        }

--- a/youtube_dl/extractor/comedycentral.py
+++ b/youtube_dl/extractor/comedycentral.py
@@ -195,7 +195,7 @@ class ComedyCentralShowsIE(MTVServicesInfoExtractor):
            if len(altMovieParams) == 0:
                raise ExtractorError('unable to find Flash URL in webpage ' + url)
            else:
-                mMovieParams = [("http://media.mtvnservices.com/" + altMovieParams[0], altMovieParams[0])]
+                mMovieParams = [('http://media.mtvnservices.com/' + altMovieParams[0], altMovieParams[0])]

        uri = mMovieParams[0][1]
        # Correct cc.com in uri
--- a/youtube_dl/extractor/common.py
+++ b/youtube_dl/extractor/common.py
@@ -1497,7 +1497,7 @@ class InfoExtractor(object):
    def _live_title(self, name):
        """ Generate the title for a live video """
        now = datetime.datetime.now()
-        now_str = now.strftime("%Y-%m-%d %H:%M")
+        now_str = now.strftime('%Y-%m-%d %H:%M')
        return name + ' ' + now_str

    def _int(self, v, name, fatal=False, **kwargs):
@@ -1570,7 +1570,7 @@ class InfoExtractor(object):
        return {}

    def _get_subtitles(self, *args, **kwargs):
-        raise NotImplementedError("This method must be implemented by subclasses")
+        raise NotImplementedError('This method must be implemented by subclasses')

    @staticmethod
    def _merge_subtitle_items(subtitle_list1, subtitle_list2):
@@ -1596,7 +1596,7 @@ class InfoExtractor(object):
        return {}

    def _get_automatic_captions(self, *args, **kwargs):
-        raise NotImplementedError("This method must be implemented by subclasses")
+        raise NotImplementedError('This method must be implemented by subclasses')


 class SearchInfoExtractor(InfoExtractor):
@@ -1636,7 +1636,7 @@ class SearchInfoExtractor(InfoExtractor):

    def _get_n_results(self, query, n):
        """Get a specified number of results for a query"""
-        raise NotImplementedError("This method must be implemented by subclasses")
+        raise NotImplementedError('This method must be implemented by subclasses')

    @property
    def SEARCH_KEY(self):
--- a/youtube_dl/extractor/crunchyroll.py
+++ b/youtube_dl/extractor/crunchyroll.py
@@ -180,40 +180,40 @@ class CrunchyrollIE(CrunchyrollBaseIE):
            return assvalue

        output = '[Script Info]\n'
-        output += 'Title: %s\n' % sub_root.attrib["title"]
+        output += 'Title: %s\n' % sub_root.attrib['title']
        output += 'ScriptType: v4.00+\n'
-        output += 'WrapStyle: %s\n' % sub_root.attrib["wrap_style"]
-        output += 'PlayResX: %s\n' % sub_root.attrib["play_res_x"]
-        output += 'PlayResY: %s\n' % sub_root.attrib["play_res_y"]
+        output += 'WrapStyle: %s\n' % sub_root.attrib['wrap_style']
+        output += 'PlayResX: %s\n' % sub_root.attrib['play_res_x']
+        output += 'PlayResY: %s\n' % sub_root.attrib['play_res_y']
        output += """ScaledBorderAndShadow: yes

 [V4+ Styles]
 Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
 """
        for style in sub_root.findall('./styles/style'):
-            output += 'Style: ' + style.attrib["name"]
-            output += ',' + style.attrib["font_name"]
-            output += ',' + style.attrib["font_size"]
-            output += ',' + style.attrib["primary_colour"]
-            output += ',' + style.attrib["secondary_colour"]
-            output += ',' + style.attrib["outline_colour"]
-            output += ',' + style.attrib["back_colour"]
-            output += ',' + ass_bool(style.attrib["bold"])
-            output += ',' + ass_bool(style.attrib["italic"])
-            output += ',' + ass_bool(style.attrib["underline"])
-            output += ',' + ass_bool(style.attrib["strikeout"])
-            output += ',' + style.attrib["scale_x"]
-            output += ',' + style.attrib["scale_y"]
-            output += ',' + style.attrib["spacing"]
-            output += ',' + style.attrib["angle"]
-            output += ',' + style.attrib["border_style"]
-            output += ',' + style.attrib["outline"]
-            output += ',' + style.attrib["shadow"]
-            output += ',' + style.attrib["alignment"]
-            output += ',' + style.attrib["margin_l"]
-            output += ',' + style.attrib["margin_r"]
-            output += ',' + style.attrib["margin_v"]
-            output += ',' + style.attrib["encoding"]
+            output += 'Style: ' + style.attrib['name']
+            output += ',' + style.attrib['font_name']
+            output += ',' + style.attrib['font_size']
+            output += ',' + style.attrib['primary_colour']
+            output += ',' + style.attrib['secondary_colour']
+            output += ',' + style.attrib['outline_colour']
+            output += ',' + style.attrib['back_colour']
+            output += ',' + ass_bool(style.attrib['bold'])
+            output += ',' + ass_bool(style.attrib['italic'])
+            output += ',' + ass_bool(style.attrib['underline'])
+            output += ',' + ass_bool(style.attrib['strikeout'])
+            output += ',' + style.attrib['scale_x']
+            output += ',' + style.attrib['scale_y']
+            output += ',' + style.attrib['spacing']
+            output += ',' + style.attrib['angle']
+            output += ',' + style.attrib['border_style']
+            output += ',' + style.attrib['outline']
+            output += ',' + style.attrib['shadow']
+            output += ',' + style.attrib['alignment']
+            output += ',' + style.attrib['margin_l']
+            output += ',' + style.attrib['margin_r']
+            output += ',' + style.attrib['margin_v']
+            output += ',' + style.attrib['encoding']
            output += '\n'

        output += """
@@ -222,15 +222,15 @@ Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
 """
        for event in sub_root.findall('./events/event'):
            output += 'Dialogue: 0'
-            output += ',' + event.attrib["start"]
-            output += ',' + event.attrib["end"]
-            output += ',' + event.attrib["style"]
-            output += ',' + event.attrib["name"]
-            output += ',' + event.attrib["margin_l"]
-            output += ',' + event.attrib["margin_r"]
-            output += ',' + event.attrib["margin_v"]
-            output += ',' + event.attrib["effect"]
-            output += ',' + event.attrib["text"]
+            output += ',' + event.attrib['start']
+            output += ',' + event.attrib['end']
+            output += ',' + event.attrib['style']
+            output += ',' + event.attrib['name']
+            output += ',' + event.attrib['margin_l']
+            output += ',' + event.attrib['margin_r']
+            output += ',' + event.attrib['margin_v']
+            output += ',' + event.attrib['effect']
+            output += ',' + event.attrib['text']
            output += '\n'

        return output
@@ -376,7 +376,7 @@ Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text


 class CrunchyrollShowPlaylistIE(CrunchyrollBaseIE):
-    IE_NAME = "crunchyroll:playlist"
+    IE_NAME = 'crunchyroll:playlist'
    _VALID_URL = r'https?://(?:(?P<prefix>www|m)\.)?(?P<url>crunchyroll\.com/(?!(?:news|anime-news|library|forum|launchcalendar|lineup|store|comics|freetrial|login))(?P<id>[\w\-]+))/?(?:\?|$)'

    _TESTS = [{
--- a/youtube_dl/extractor/drbonanza.py
+++ b/youtube_dl/extractor/drbonanza.py
@@ -87,7 +87,7 @@ class DRBonanzaIE(InfoExtractor):

        formats = []
        for file in info['Files']:
-            if info['Type'] == "Video":
+            if info['Type'] == 'Video':
                if file['Type'] in video_types:
                    format = parse_filename_info(file['Location'])
                    format.update({
@@ -101,10 +101,10 @@ class DRBonanzaIE(InfoExtractor):
                        if '/bonanza/' in rtmp_url:
                            format['play_path'] = rtmp_url.split('/bonanza/')[1]
                    formats.append(format)
-                elif file['Type'] == "Thumb":
+                elif file['Type'] == 'Thumb':
                    thumbnail = file['Location']
-            elif info['Type'] == "Audio":
-                if file['Type'] == "Audio":
+            elif info['Type'] == 'Audio':
+                if file['Type'] == 'Audio':
                    format = parse_filename_info(file['Location'])
                    format.update({
                        'url': file['Location'],
@@ -112,7 +112,7 @@ class DRBonanzaIE(InfoExtractor):
                        'vcodec': 'none',
                    })
                    formats.append(format)
-                elif file['Type'] == "Thumb":
+                elif file['Type'] == 'Thumb':
                    thumbnail = file['Location']

        description = '%s\n%s\n%s\n' % (
--- a/youtube_dl/extractor/eighttracks.py
+++ b/youtube_dl/extractor/eighttracks.py
@@ -17,85 +17,85 @@ class EightTracksIE(InfoExtractor):
    IE_NAME = '8tracks'
    _VALID_URL = r'https?://8tracks\.com/(?P<user>[^/]+)/(?P<id>[^/#]+)(?:#.*)?$'
    _TEST = {
-        "name": "EightTracks",
-        "url": "http://8tracks.com/ytdl/youtube-dl-test-tracks-a",
-        "info_dict": {
+        'name': 'EightTracks',
+        'url': 'http://8tracks.com/ytdl/youtube-dl-test-tracks-a',
+        'info_dict': {
            'id': '1336550',
            'display_id': 'youtube-dl-test-tracks-a',
-            "description": "test chars:  \"'/\\ä↭",
-            "title": "youtube-dl test tracks \"'/\\ä↭<>",
+            'description': "test chars:  \"'/\\ä↭",
+            'title': "youtube-dl test tracks \"'/\\ä↭<>",
        },
-        "playlist": [
+        'playlist': [
            {
-                "md5": "96ce57f24389fc8734ce47f4c1abcc55",
-                "info_dict": {
-                    "id": "11885610",
-                    "ext": "m4a",
-                    "title": "youtue-dl project<>\"' - youtube-dl test track 1 \"'/\\\u00e4\u21ad",
-                    "uploader_id": "ytdl"
+                'md5': '96ce57f24389fc8734ce47f4c1abcc55',
+                'info_dict': {
+                    'id': '11885610',
+                    'ext': 'm4a',
+                    'title': "youtue-dl project<>\"' - youtube-dl test track 1 \"'/\\\u00e4\u21ad",
+                    'uploader_id': 'ytdl'
                }
            },
            {
-                "md5": "4ab26f05c1f7291ea460a3920be8021f",
-                "info_dict": {
-                    "id": "11885608",
-                    "ext": "m4a",
-                    "title": "youtube-dl project - youtube-dl test track 2 \"'/\\\u00e4\u21ad",
-                    "uploader_id": "ytdl"
+                'md5': '4ab26f05c1f7291ea460a3920be8021f',
+                'info_dict': {
+                    'id': '11885608',
+                    'ext': 'm4a',
+                    'title': "youtube-dl project - youtube-dl test track 2 \"'/\\\u00e4\u21ad",
+                    'uploader_id': 'ytdl'
                }
            },
            {
-                "md5": "d30b5b5f74217410f4689605c35d1fd7",
-                "info_dict": {
-                    "id": "11885679",
-                    "ext": "m4a",
-                    "title": "youtube-dl project as well - youtube-dl test track 3 \"'/\\\u00e4\u21ad",
-                    "uploader_id": "ytdl"
+                'md5': 'd30b5b5f74217410f4689605c35d1fd7',
+                'info_dict': {
+                    'id': '11885679',
+                    'ext': 'm4a',
+                    'title': "youtube-dl project as well - youtube-dl test track 3 \"'/\\\u00e4\u21ad",
+                    'uploader_id': 'ytdl'
                }
            },
            {
-                "md5": "4eb0a669317cd725f6bbd336a29f923a",
-                "info_dict": {
-                    "id": "11885680",
-                    "ext": "m4a",
-                    "title": "youtube-dl project as well - youtube-dl test track 4 \"'/\\\u00e4\u21ad",
-                    "uploader_id": "ytdl"
+                'md5': '4eb0a669317cd725f6bbd336a29f923a',
+                'info_dict': {
+                    'id': '11885680',
+                    'ext': 'm4a',
+                    'title': "youtube-dl project as well - youtube-dl test track 4 \"'/\\\u00e4\u21ad",
+                    'uploader_id': 'ytdl'
                }
            },
            {
-                "md5": "1893e872e263a2705558d1d319ad19e8",
-                "info_dict": {
-                    "id": "11885682",
-                    "ext": "m4a",
-                    "title": "PH - youtube-dl test track 5 \"'/\\\u00e4\u21ad",
-                    "uploader_id": "ytdl"
+                'md5': '1893e872e263a2705558d1d319ad19e8',
+                'info_dict': {
+                    'id': '11885682',
+                    'ext': 'm4a',
+                    'title': "PH - youtube-dl test track 5 \"'/\\\u00e4\u21ad",
+                    'uploader_id': 'ytdl'
                }
            },
            {
-                "md5": "b673c46f47a216ab1741ae8836af5899",
-                "info_dict": {
-                    "id": "11885683",
-                    "ext": "m4a",
-                    "title": "PH - youtube-dl test track 6 \"'/\\\u00e4\u21ad",
-                    "uploader_id": "ytdl"
+                'md5': 'b673c46f47a216ab1741ae8836af5899',
+                'info_dict': {
+                    'id': '11885683',
+                    'ext': 'm4a',
+                    'title': "PH - youtube-dl test track 6 \"'/\\\u00e4\u21ad",
+                    'uploader_id': 'ytdl'
                }
            },
            {
-                "md5": "1d74534e95df54986da7f5abf7d842b7",
-                "info_dict": {
-                    "id": "11885684",
-                    "ext": "m4a",
-                    "title": "phihag - youtube-dl test track 7 \"'/\\\u00e4\u21ad",
-                    "uploader_id": "ytdl"
+                'md5': '1d74534e95df54986da7f5abf7d842b7',
+                'info_dict': {
+                    'id': '11885684',
+                    'ext': 'm4a',
+                    'title': "phihag - youtube-dl test track 7 \"'/\\\u00e4\u21ad",
+                    'uploader_id': 'ytdl'
                }
            },
            {
-                "md5": "f081f47af8f6ae782ed131d38b9cd1c0",
-                "info_dict": {
-                    "id": "11885685",
-                    "ext": "m4a",
-                    "title": "phihag - youtube-dl test track 8 \"'/\\\u00e4\u21ad",
-                    "uploader_id": "ytdl"
+                'md5': 'f081f47af8f6ae782ed131d38b9cd1c0',
+                'info_dict': {
+                    'id': '11885685',
+                    'ext': 'm4a',
+                    'title': "phihag - youtube-dl test track 8 \"'/\\\u00e4\u21ad",
+                    'uploader_id': 'ytdl'
                }
            }
        ]
--- a/youtube_dl/extractor/ellentv.py
+++ b/youtube_dl/extractor/ellentv.py
@@ -72,7 +72,7 @@ class EllenTVClipsIE(InfoExtractor):
    def _extract_playlist(self, webpage):
        json_string = self._search_regex(r'playerView.addClips\(\[\{(.*?)\}\]\);', webpage, 'json')
        try:
-            return json.loads("[{" + json_string + "}]")
+            return json.loads('[{' + json_string + '}]')
        except ValueError as ve:
            raise ExtractorError('Failed to download JSON', cause=ve)

--- a/youtube_dl/extractor/everyonesmixtape.py
+++ b/youtube_dl/extractor/everyonesmixtape.py
@@ -14,14 +14,14 @@ class EveryonesMixtapeIE(InfoExtractor):

    _TESTS = [{
        'url': 'http://everyonesmixtape.com/#/mix/m7m0jJAbMQi/5',
-        "info_dict": {
+        'info_dict': {
            'id': '5bfseWNmlds',
            'ext': 'mp4',
-            "title": "Passion Pit - \"Sleepyhead\" (Official Music Video)",
-            "uploader": "FKR.TV",
-            "uploader_id": "frenchkissrecords",
-            "description": "Music video for \"Sleepyhead\" from Passion Pit's debut EP Chunk Of Change.\nBuy on iTunes: https://itunes.apple.com/us/album/chunk-of-change-ep/id300087641\n\nDirected by The Wilderness.\n\nhttp://www.passionpitmusic.com\nhttp://www.frenchkissrecords.com",
-            "upload_date": "20081015"
+            'title': "Passion Pit - \"Sleepyhead\" (Official Music Video)",
+            'uploader': 'FKR.TV',
+            'uploader_id': 'frenchkissrecords',
+            'description': "Music video for \"Sleepyhead\" from Passion Pit's debut EP Chunk Of Change.\nBuy on iTunes: https://itunes.apple.com/us/album/chunk-of-change-ep/id300087641\n\nDirected by The Wilderness.\n\nhttp://www.passionpitmusic.com\nhttp://www.frenchkissrecords.com",
+            'upload_date': '20081015'
        },
        'params': {
            'skip_download': True,  # This is simply YouTube
--- a/youtube_dl/extractor/exfm.py
+++ b/youtube_dl/extractor/exfm.py
@@ -41,7 +41,7 @@ class ExfmIE(InfoExtractor):
    def _real_extract(self, url):
        mobj = re.match(self._VALID_URL, url)
        song_id = mobj.group('id')
-        info_url = "http://ex.fm/api/v3/song/%s" % song_id
+        info_url = 'http://ex.fm/api/v3/song/%s' % song_id
        info = self._download_json(info_url, song_id)['song']
        song_url = info['url']
        if re.match(self._SOUNDCLOUD_URL, song_url) is not None:
--- a/youtube_dl/extractor/fc2.py
+++ b/youtube_dl/extractor/fc2.py
@@ -87,7 +87,7 @@ class FC2IE(InfoExtractor):
        mimi = hashlib.md5((video_id + '_gGddgPfeaf_gzyr').encode('utf-8')).hexdigest()

        info_url = (
-            "http://video.fc2.com/ginfo.php?mimi={1:s}&href={2:s}&v={0:s}&fversion=WIN%2011%2C6%2C602%2C180&from=2&otag=0&upid={0:s}&tk=null&".
+            'http://video.fc2.com/ginfo.php?mimi={1:s}&href={2:s}&v={0:s}&fversion=WIN%2011%2C6%2C602%2C180&from=2&otag=0&upid={0:s}&tk=null&'.
            format(video_id, mimi, compat_urllib_request.quote(refer, safe=b'').replace('.', '%2E')))

        info_webpage = self._download_webpage(
--- a/youtube_dl/extractor/franceinter.py
+++ b/youtube_dl/extractor/franceinter.py
@@ -10,7 +10,7 @@ class FranceInterIE(InfoExtractor):
    _TEST = {
        'url': 'http://www.franceinter.fr/player/reecouter?play=793962',
        'md5': '4764932e466e6f6c79c317d2e74f6884',
-        "info_dict": {
+        'info_dict': {
            'id': '793962',
            'ext': 'mp3',
            'title': 'L’Histoire dans les jeux vidéo',
--- a/youtube_dl/extractor/freevideo.py
+++ b/youtube_dl/extractor/freevideo.py
@@ -12,8 +12,8 @@ class FreeVideoIE(InfoExtractor):
        'info_dict': {
            'id': 'vysukany-zadecek-22033',
            'ext': 'mp4',
-            "title": "vysukany-zadecek-22033",
-            "age_limit": 18,
+            'title': 'vysukany-zadecek-22033',
+            'age_limit': 18,
        },
        'skip': 'Blocked outside .cz',
    }
--- a/youtube_dl/extractor/hentaistigma.py
+++ b/youtube_dl/extractor/hentaistigma.py
@@ -11,8 +11,8 @@ class HentaiStigmaIE(InfoExtractor):
        'info_dict': {
            'id': 'inyouchuu-etsu-bonus',
            'ext': 'mp4',
-            "title": "Inyouchuu Etsu Bonus",
-            "age_limit": 18,
+            'title': 'Inyouchuu Etsu Bonus',
+            'age_limit': 18,
        }
    }

--- a/youtube_dl/extractor/kankan.py
+++ b/youtube_dl/extractor/kankan.py
@@ -28,7 +28,7 @@ class KankanIE(InfoExtractor):

        title = self._search_regex(r'(?:G_TITLE=|G_MOVIE_TITLE = )[\'"](.+?)[\'"]', webpage, 'video title')
        surls = re.search(r'surls:\[\'.+?\'\]|lurl:\'.+?\.flv\'', webpage).group(0)
-        gcids = re.findall(r"http://.+?/.+?/(.+?)/", surls)
+        gcids = re.findall(r'http://.+?/.+?/(.+?)/', surls)
        gcid = gcids[-1]

        info_url = 'http://p2s.cl.kankan.com/getCdnresource_flv?gcid=%s' % gcid
--- a/youtube_dl/extractor/liveleak.py
+++ b/youtube_dl/extractor/liveleak.py
@@ -47,7 +47,7 @@ class LiveLeakIE(InfoExtractor):
        'info_dict': {
            'id': '801_1409392012',
            'ext': 'mp4',
-            'description': "Happened on 27.7.2014. \r\nAt 0:53 you can see people still swimming at near beach.",
+            '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'
        }
--- a/youtube_dl/extractor/mofosex.py
+++ b/youtube_dl/extractor/mofosex.py
@@ -38,7 +38,7 @@ class MofosexIE(InfoExtractor):
        path = compat_urllib_parse_urlparse(video_url).path
        extension = os.path.splitext(path)[1][1:]
        format = path.split('/')[5].split('_')[:2]
-        format = "-".join(format)
+        format = '-'.join(format)

        age_limit = self._rta_search(webpage)

--- a/youtube_dl/extractor/myspass.py
+++ b/youtube_dl/extractor/myspass.py
@@ -18,8 +18,8 @@ class MySpassIE(InfoExtractor):
        'info_dict': {
            'id': '11741',
            'ext': 'mp4',
-            "description": "Wer kann in die Fu\u00dfstapfen von Wolfgang Kubicki treten und die Mehrheit der Zuschauer hinter sich versammeln? Wird vielleicht sogar die Absolute Mehrheit geknackt und der Jackpot von 200.000 Euro mit nach Hause genommen?",
-            "title": "Absolute Mehrheit vom 17.02.2013 - Die Highlights, Teil 2",
+            'description': 'Wer kann in die Fu\u00dfstapfen von Wolfgang Kubicki treten und die Mehrheit der Zuschauer hinter sich versammeln? Wird vielleicht sogar die Absolute Mehrheit geknackt und der Jackpot von 200.000 Euro mit nach Hause genommen?',
+            'title': 'Absolute Mehrheit vom 17.02.2013 - Die Highlights, Teil 2',
        },
    }

--- a/youtube_dl/extractor/nerdcubed.py
+++ b/youtube_dl/extractor/nerdcubed.py
@@ -18,14 +18,14 @@ class NerdCubedFeedIE(InfoExtractor):
    }

    def _real_extract(self, url):
-        feed = self._download_json(url, url, "Downloading NerdCubed JSON feed")
+        feed = self._download_json(url, url, 'Downloading NerdCubed JSON feed')

        entries = [{
            '_type': 'url',
            'title': feed_entry['title'],
            'uploader': feed_entry['source']['name'] if feed_entry['source'] else None,
            'upload_date': datetime.datetime.strptime(feed_entry['date'], '%Y-%m-%d').strftime('%Y%m%d'),
-            'url': "http://www.youtube.com/watch?v=" + feed_entry['youtube_id'],
+            'url': 'http://www.youtube.com/watch?v=' + feed_entry['youtube_id'],
        } for feed_entry in feed]

        return {
--- a/youtube_dl/extractor/pornhub.py
+++ b/youtube_dl/extractor/pornhub.py
@@ -27,9 +27,9 @@ class PornHubIE(InfoExtractor):
        'info_dict': {
            'id': '648719015',
            'ext': 'mp4',
-            "uploader": "Babes",
-            "title": "Seductive Indian beauty strips down and fingers her pink pussy",
-            "age_limit": 18
+            'uploader': 'Babes',
+            'title': 'Seductive Indian beauty strips down and fingers her pink pussy',
+            'age_limit': 18
        }
    }, {
        'url': 'http://www.pornhub.com/view_video.php?viewkey=ph557bbb6676d2d',
@@ -95,7 +95,7 @@ class PornHubIE(InfoExtractor):
            path = compat_urllib_parse_urlparse(video_url).path
            extension = os.path.splitext(path)[1][1:]
            format = path.split('/')[5].split('_')[:2]
-            format = "-".join(format)
+            format = '-'.join(format)

            m = re.match(r'^(?P<height>[0-9]+)[pP]-(?P<tbr>[0-9]+)[kK]$', format)
            if m is None:
--- a/youtube_dl/extractor/pornovoisines.py
+++ b/youtube_dl/extractor/pornovoisines.py
@@ -56,7 +56,7 @@ class PornoVoisinesIE(InfoExtractor):
            r'<h1>(.+?)</h1>', webpage, 'title', flags=re.DOTALL)
        description = self._html_search_regex(
            r'<article id="descriptif">(.+?)</article>',
-            webpage, "description", fatal=False, flags=re.DOTALL)
+            webpage, 'description', fatal=False, flags=re.DOTALL)

        thumbnail = self._search_regex(
            r'<div id="mediaspace%s">\s*<img src="/?([^"]+)"' % video_id,
--- a/youtube_dl/extractor/radiobremen.py
+++ b/youtube_dl/extractor/radiobremen.py
@@ -28,16 +28,16 @@ class RadioBremenIE(InfoExtractor):
    def _real_extract(self, url):
        video_id = self._match_id(url)

-        meta_url = "http://www.radiobremen.de/apps/php/mediathek/metadaten.php?id=%s" % video_id
+        meta_url = 'http://www.radiobremen.de/apps/php/mediathek/metadaten.php?id=%s' % video_id
        meta_doc = self._download_webpage(
            meta_url, video_id, 'Downloading metadata')
        title = self._html_search_regex(
-            r"<h1.*>(?P<title>.+)</h1>", meta_doc, "title")
+            r'<h1.*>(?P<title>.+)</h1>', meta_doc, 'title')
        description = self._html_search_regex(
-            r"<p>(?P<description>.*)</p>", meta_doc, "description", fatal=False)
+            r'<p>(?P<description>.*)</p>', meta_doc, 'description', fatal=False)
        duration = parse_duration(self._html_search_regex(
-            r"L&auml;nge:</td>\s+<td>(?P<duration>[0-9]+:[0-9]+)</td>",
-            meta_doc, "duration", fatal=False))
+            r'L&auml;nge:</td>\s+<td>(?P<duration>[0-9]+:[0-9]+)</td>',
+            meta_doc, 'duration', fatal=False))

        page_doc = self._download_webpage(
            url, video_id, 'Downloading video information')
@@ -51,7 +51,7 @@ class RadioBremenIE(InfoExtractor):
        formats = [{
            'url': video_url,
            'ext': 'mp4',
-            'width': int(mobj.group("width")),
+            'width': int(mobj.group('width')),
        }]
        return {
            'id': video_id,
--- a/youtube_dl/extractor/radiofrance.py
+++ b/youtube_dl/extractor/radiofrance.py
@@ -16,9 +16,9 @@ class RadioFranceIE(InfoExtractor):
        'info_dict': {
            'id': 'one-one',
            'ext': 'ogg',
-            "title": "One to one",
-            "description": "Plutôt que d'imaginer la radio de demain comme technologie ou comme création de contenu, je veux montrer que quelles que soient ses évolutions, j'ai l'intime conviction que la radio continuera d'être un grand média de proximité pour les auditeurs.",
-            "uploader": "Thomas Hercouët",
+            'title': 'One to one',
+            'description': "Plutôt que d'imaginer la radio de demain comme technologie ou comme création de contenu, je veux montrer que quelles que soient ses évolutions, j'ai l'intime conviction que la radio continuera d'être un grand média de proximité pour les auditeurs.",
+            'uploader': 'Thomas Hercouët',
        },
    }

--- a/youtube_dl/extractor/rbmaradio.py
+++ b/youtube_dl/extractor/rbmaradio.py
@@ -18,11 +18,11 @@ class RBMARadioIE(InfoExtractor):
        'info_dict': {
            'id': 'ford-lopatin-live-at-primavera-sound-2011',
            'ext': 'mp3',
-            "uploader_id": "ford-lopatin",
-            "location": "Spain",
-            "description": "Joel Ford and Daniel ’Oneohtrix Point Never’ Lopatin fly their midified pop extravaganza to Spain. Live at Primavera Sound 2011.",
-            "uploader": "Ford & Lopatin",
-            "title": "Live at Primavera Sound 2011",
+            'uploader_id': 'ford-lopatin',
+            'location': 'Spain',
+            'description': 'Joel Ford and Daniel ’Oneohtrix Point Never’ Lopatin fly their midified pop extravaganza to Spain. Live at Primavera Sound 2011.',
+            'uploader': 'Ford & Lopatin',
+            'title': 'Live at Primavera Sound 2011',
        },
    }

--- a/youtube_dl/extractor/reverbnation.py
+++ b/youtube_dl/extractor/reverbnation.py
@@ -12,12 +12,12 @@ class ReverbNationIE(InfoExtractor):
        'url': 'http://www.reverbnation.com/alkilados/song/16965047-mona-lisa',
        'md5': '3da12ebca28c67c111a7f8b262d3f7a7',
        'info_dict': {
-            "id": "16965047",
-            "ext": "mp3",
-            "title": "MONA LISA",
-            "uploader": "ALKILADOS",
-            "uploader_id": "216429",
-            "thumbnail": "re:^https://gp1\.wac\.edgecastcdn\.net/.*?\.jpg$"
+            'id': '16965047',
+            'ext': 'mp3',
+            'title': 'MONA LISA',
+            'uploader': 'ALKILADOS',
+            'uploader_id': '216429',
+            'thumbnail': 're:^https://gp1\.wac\.edgecastcdn\.net/.*?\.jpg$'
        },
    }]

--- a/youtube_dl/extractor/ringtv.py
+++ b/youtube_dl/extractor/ringtv.py
@@ -8,13 +8,13 @@ from .common import InfoExtractor
 class RingTVIE(InfoExtractor):
    _VALID_URL = r'http://(?:www\.)?ringtv\.craveonline\.com/(?P<type>news|videos/video)/(?P<id>[^/?#]+)'
    _TEST = {
-        "url": "http://ringtv.craveonline.com/news/310833-luis-collazo-says-victor-ortiz-better-not-quit-on-jan-30",
-        "md5": "d25945f5df41cdca2d2587165ac28720",
-        "info_dict": {
+        'url': 'http://ringtv.craveonline.com/news/310833-luis-collazo-says-victor-ortiz-better-not-quit-on-jan-30',
+        'md5': 'd25945f5df41cdca2d2587165ac28720',
+        'info_dict': {
            'id': '857645',
            'ext': 'mp4',
-            "title": 'Video: Luis Collazo says Victor Ortiz "better not quit on Jan. 30" - Ring TV',
-            "description": 'Luis Collazo is excited about his Jan. 30 showdown with fellow former welterweight titleholder Victor Ortiz at Barclays Center in his hometown of Brooklyn. The SuperBowl week fight headlines a Golden Boy Live! card on Fox Sports 1.',
+            'title': 'Video: Luis Collazo says Victor Ortiz "better not quit on Jan. 30" - Ring TV',
+            'description': 'Luis Collazo is excited about his Jan. 30 showdown with fellow former welterweight titleholder Victor Ortiz at Barclays Center in his hometown of Brooklyn. The SuperBowl week fight headlines a Golden Boy Live! card on Fox Sports 1.',
        }
    }

@@ -32,8 +32,8 @@ class RingTVIE(InfoExtractor):
        description = self._html_search_regex(
            r'addthis:description="([^"]+)"',
            webpage, 'description', fatal=False)
-        final_url = "http://ringtv.craveonline.springboardplatform.com/storage/ringtv.craveonline.com/conversion/%s.mp4" % video_id
-        thumbnail_url = "http://ringtv.craveonline.springboardplatform.com/storage/ringtv.craveonline.com/snapshots/%s.jpg" % video_id
+        final_url = 'http://ringtv.craveonline.springboardplatform.com/storage/ringtv.craveonline.com/conversion/%s.mp4' % video_id
+        thumbnail_url = 'http://ringtv.craveonline.springboardplatform.com/storage/ringtv.craveonline.com/snapshots/%s.jpg' % video_id

        return {
            'id': video_id,
--- a/youtube_dl/extractor/rte.py
+++ b/youtube_dl/extractor/rte.py
@@ -43,7 +43,7 @@ class RteIE(InfoExtractor):
            r'<meta name="thumbnail" content="uri:irus:(.*?)" />', webpage, 'thumbnail')
        thumbnail = 'http://img.rasset.ie/' + thumbnail_id + '.jpg'

-        feeds_url = self._html_search_meta("feeds-prefix", webpage, 'feeds url') + video_id
+        feeds_url = self._html_search_meta('feeds-prefix', webpage, 'feeds url') + video_id
        json_string = self._download_json(feeds_url, video_id)

        # f4m_url = server + relative_url
--- a/youtube_dl/extractor/rtl2.py
+++ b/youtube_dl/extractor/rtl2.py
@@ -63,7 +63,7 @@ class RTL2IE(InfoExtractor):
        download_url = video_info['streamurl']
        download_url = download_url.replace('\\', '')
        stream_url = 'mp4:' + self._html_search_regex(r'ondemand/(.*)', download_url, 'stream URL')
-        rtmp_conn = ["S:connect", "O:1", "NS:pageUrl:" + url, "NB:fpad:0", "NN:videoFunction:1", "O:0"]
+        rtmp_conn = ['S:connect', 'O:1', 'NS:pageUrl:' + url, 'NB:fpad:0', 'NN:videoFunction:1', 'O:0']

        formats = [{
            'url': download_url,
--- a/youtube_dl/extractor/screenwavemedia.py
+++ b/youtube_dl/extractor/screenwavemedia.py
@@ -40,7 +40,7 @@ class ScreenwaveMediaIE(InfoExtractor):
                re.sub(
                    r'(?s)/\*.*?\*/', '',
                    self._search_regex(
-                        r"sources\s*:\s*(\[[^\]]+?\])", playerconfig,
+                        r'sources\s*:\s*(\[[^\]]+?\])', playerconfig,
                        'sources',
                    ).replace(
                        "' + thisObj.options.videoserver + '",
--- a/youtube_dl/extractor/senateisvp.py
+++ b/youtube_dl/extractor/senateisvp.py
@@ -15,37 +15,37 @@ from ..compat import (

 class SenateISVPIE(InfoExtractor):
    _COMM_MAP = [
-        ["ag", "76440", "http://ag-f.akamaihd.net"],
-        ["aging", "76442", "http://aging-f.akamaihd.net"],
-        ["approps", "76441", "http://approps-f.akamaihd.net"],
-        ["armed", "76445", "http://armed-f.akamaihd.net"],
-        ["banking", "76446", "http://banking-f.akamaihd.net"],
-        ["budget", "76447", "http://budget-f.akamaihd.net"],
-        ["cecc", "76486", "http://srs-f.akamaihd.net"],
-        ["commerce", "80177", "http://commerce1-f.akamaihd.net"],
-        ["csce", "75229", "http://srs-f.akamaihd.net"],
-        ["dpc", "76590", "http://dpc-f.akamaihd.net"],
-        ["energy", "76448", "http://energy-f.akamaihd.net"],
-        ["epw", "76478", "http://epw-f.akamaihd.net"],
-        ["ethics", "76449", "http://ethics-f.akamaihd.net"],
-        ["finance", "76450", "http://finance-f.akamaihd.net"],
-        ["foreign", "76451", "http://foreign-f.akamaihd.net"],
-        ["govtaff", "76453", "http://govtaff-f.akamaihd.net"],
-        ["help", "76452", "http://help-f.akamaihd.net"],
-        ["indian", "76455", "http://indian-f.akamaihd.net"],
-        ["intel", "76456", "http://intel-f.akamaihd.net"],
-        ["intlnarc", "76457", "http://intlnarc-f.akamaihd.net"],
-        ["jccic", "85180", "http://jccic-f.akamaihd.net"],
-        ["jec", "76458", "http://jec-f.akamaihd.net"],
-        ["judiciary", "76459", "http://judiciary-f.akamaihd.net"],
-        ["rpc", "76591", "http://rpc-f.akamaihd.net"],
-        ["rules", "76460", "http://rules-f.akamaihd.net"],
-        ["saa", "76489", "http://srs-f.akamaihd.net"],
-        ["smbiz", "76461", "http://smbiz-f.akamaihd.net"],
-        ["srs", "75229", "http://srs-f.akamaihd.net"],
-        ["uscc", "76487", "http://srs-f.akamaihd.net"],
-        ["vetaff", "76462", "http://vetaff-f.akamaihd.net"],
-        ["arch", "", "http://ussenate-f.akamaihd.net/"]
+        ['ag', '76440', 'http://ag-f.akamaihd.net'],
+        ['aging', '76442', 'http://aging-f.akamaihd.net'],
+        ['approps', '76441', 'http://approps-f.akamaihd.net'],
+        ['armed', '76445', 'http://armed-f.akamaihd.net'],
+        ['banking', '76446', 'http://banking-f.akamaihd.net'],
+        ['budget', '76447', 'http://budget-f.akamaihd.net'],
+        ['cecc', '76486', 'http://srs-f.akamaihd.net'],
+        ['commerce', '80177', 'http://commerce1-f.akamaihd.net'],
+        ['csce', '75229', 'http://srs-f.akamaihd.net'],
+        ['dpc', '76590', 'http://dpc-f.akamaihd.net'],
+        ['energy', '76448', 'http://energy-f.akamaihd.net'],
+        ['epw', '76478', 'http://epw-f.akamaihd.net'],
+        ['ethics', '76449', 'http://ethics-f.akamaihd.net'],
+        ['finance', '76450', 'http://finance-f.akamaihd.net'],
+        ['foreign', '76451', 'http://foreign-f.akamaihd.net'],
+        ['govtaff', '76453', 'http://govtaff-f.akamaihd.net'],
+        ['help', '76452', 'http://help-f.akamaihd.net'],
+        ['indian', '76455', 'http://indian-f.akamaihd.net'],
+        ['intel', '76456', 'http://intel-f.akamaihd.net'],
+        ['intlnarc', '76457', 'http://intlnarc-f.akamaihd.net'],
+        ['jccic', '85180', 'http://jccic-f.akamaihd.net'],
+        ['jec', '76458', 'http://jec-f.akamaihd.net'],
+        ['judiciary', '76459', 'http://judiciary-f.akamaihd.net'],
+        ['rpc', '76591', 'http://rpc-f.akamaihd.net'],
+        ['rules', '76460', 'http://rules-f.akamaihd.net'],
+        ['saa', '76489', 'http://srs-f.akamaihd.net'],
+        ['smbiz', '76461', 'http://smbiz-f.akamaihd.net'],
+        ['srs', '75229', 'http://srs-f.akamaihd.net'],
+        ['uscc', '76487', 'http://srs-f.akamaihd.net'],
+        ['vetaff', '76462', 'http://vetaff-f.akamaihd.net'],
+        ['arch', '', 'http://ussenate-f.akamaihd.net/']
    ]
    _IE_NAME = 'senate.gov'
    _VALID_URL = r'http://www\.senate\.gov/isvp/?\?(?P<qs>.+)'
--- a/youtube_dl/extractor/slutload.py
+++ b/youtube_dl/extractor/slutload.py
@@ -13,8 +13,8 @@ class SlutloadIE(InfoExtractor):
        'info_dict': {
            'id': 'TD73btpBqSxc',
            'ext': 'mp4',
-            "title": "virginie baisee en cam",
-            "age_limit": 18,
+            'title': 'virginie baisee en cam',
+            'age_limit': 18,
            'thumbnail': 're:https?://.*?\.jpg'
        }
    }
--- a/youtube_dl/extractor/snotr.py
+++ b/youtube_dl/extractor/snotr.py
@@ -43,7 +43,7 @@ class SnotrIE(InfoExtractor):
        title = self._og_search_title(webpage)

        description = self._og_search_description(webpage)
-        video_url = "http://cdn.videos.snotr.com/%s.flv" % video_id
+        video_url = 'http://cdn.videos.snotr.com/%s.flv' % video_id

        view_count = str_to_int(self._html_search_regex(
            r'<p>\n<strong>Views:</strong>\n([\d,\.]+)</p>',
--- a/youtube_dl/extractor/soundcloud.py
+++ b/youtube_dl/extractor/soundcloud.py
@@ -222,7 +222,7 @@ class SoundcloudIE(InfoExtractor):
            full_title = track_id
            token = mobj.group('secret_token')
            if token:
-                info_json_url += "&secret_token=" + token
+                info_json_url += '&secret_token=' + token
        elif mobj.group('player'):
            query = compat_urlparse.parse_qs(compat_urlparse.urlparse(url).query)
            real_url = query['url'][0]
--- a/youtube_dl/extractor/steam.py
+++ b/youtube_dl/extractor/steam.py
@@ -22,23 +22,23 @@ class SteamIE(InfoExtractor):
    _VIDEO_PAGE_TEMPLATE = 'http://store.steampowered.com/video/%s/'
    _AGECHECK_TEMPLATE = 'http://store.steampowered.com/agecheck/video/%s/?snr=1_agecheck_agecheck__age-gate&ageDay=1&ageMonth=January&ageYear=1970'
    _TESTS = [{
-        "url": "http://store.steampowered.com/video/105600/",
-        "playlist": [
+        'url': 'http://store.steampowered.com/video/105600/',
+        'playlist': [
            {
-                "md5": "f870007cee7065d7c76b88f0a45ecc07",
-                "info_dict": {
+                'md5': 'f870007cee7065d7c76b88f0a45ecc07',
+                'info_dict': {
                    'id': '81300',
                    'ext': 'flv',
-                    "title": "Terraria 1.1 Trailer",
+                    'title': 'Terraria 1.1 Trailer',
                    'playlist_index': 1,
                }
            },
            {
-                "md5": "61aaf31a5c5c3041afb58fb83cbb5751",
-                "info_dict": {
+                'md5': '61aaf31a5c5c3041afb58fb83cbb5751',
+                'info_dict': {
                    'id': '80859',
                    'ext': 'flv',
-                    "title": "Terraria Trailer",
+                    'title': 'Terraria Trailer',
                    'playlist_index': 2,
                }
            }
--- a/youtube_dl/extractor/tenplay.py
+++ b/youtube_dl/extractor/tenplay.py
@@ -27,10 +27,10 @@ class TenPlayIE(InfoExtractor):
    }

    _video_fields = [
-        "id", "name", "shortDescription", "longDescription", "creationDate",
-        "publishedDate", "lastModifiedDate", "customFields", "videoStillURL",
-        "thumbnailURL", "referenceId", "length", "playsTotal",
-        "playsTrailingWeek", "renditions", "captioning", "startDate", "endDate"]
+        'id', 'name', 'shortDescription', 'longDescription', 'creationDate',
+        'publishedDate', 'lastModifiedDate', 'customFields', 'videoStillURL',
+        'thumbnailURL', 'referenceId', 'length', 'playsTotal',
+        'playsTrailingWeek', 'renditions', 'captioning', 'startDate', 'endDate']

    def _real_extract(self, url):
        webpage = self._download_webpage(url, url)
--- a/youtube_dl/extractor/thesixtyone.py
+++ b/youtube_dl/extractor/thesixtyone.py
@@ -48,22 +48,22 @@ class TheSixtyOneIE(InfoExtractor):
    ]

    _DECODE_MAP = {
-        "x": "a",
-        "m": "b",
-        "w": "c",
-        "q": "d",
-        "n": "e",
-        "p": "f",
-        "a": "0",
-        "h": "1",
-        "e": "2",
-        "u": "3",
-        "s": "4",
-        "i": "5",
-        "o": "6",
-        "y": "7",
-        "r": "8",
-        "c": "9"
+        'x': 'a',
+        'm': 'b',
+        'w': 'c',
+        'q': 'd',
+        'n': 'e',
+        'p': 'f',
+        'a': '0',
+        'h': '1',
+        'e': '2',
+        'u': '3',
+        's': '4',
+        'i': '5',
+        'o': '6',
+        'y': '7',
+        'r': '8',
+        'c': '9'
    }

    def _real_extract(self, url):
--- a/youtube_dl/extractor/traileraddict.py
+++ b/youtube_dl/extractor/traileraddict.py
@@ -38,12 +38,12 @@ class TrailerAddictIE(InfoExtractor):

        # Presence of (no)watchplus function indicates HD quality is available
        if re.search(r'function (no)?watchplus()', webpage):
-            fvar = "fvarhd"
+            fvar = 'fvarhd'
        else:
-            fvar = "fvar"
+            fvar = 'fvar'

-        info_url = "http://www.traileraddict.com/%s.php?tid=%s" % (fvar, str(video_id))
-        info_webpage = self._download_webpage(info_url, video_id, "Downloading the info webpage")
+        info_url = 'http://www.traileraddict.com/%s.php?tid=%s' % (fvar, str(video_id))
+        info_webpage = self._download_webpage(info_url, video_id, 'Downloading the info webpage')

        final_url = self._search_regex(r'&fileurl=(.+)',
                                       info_webpage, 'Download url').replace('%3F', '?')
--- a/youtube_dl/extractor/tudou.py
+++ b/youtube_dl/extractor/tudou.py
@@ -49,7 +49,7 @@ class TudouIE(InfoExtractor):
        info_url = 'http://v2.tudou.com/f?id=' + compat_str(video_id)
        if quality:
            info_url += '&hd' + quality
-        xml_data = self._download_xml(info_url, video_id, "Opening the info XML page")
+        xml_data = self._download_xml(info_url, video_id, 'Opening the info XML page')
        final_url = xml_data.text
        return final_url

--- a/youtube_dl/extractor/vbox7.py
+++ b/youtube_dl/extractor/vbox7.py
@@ -47,7 +47,7 @@ class Vbox7IE(InfoExtractor):
        title = self._html_search_regex(r'<title>(.*)</title>',
                                        webpage, 'title').split('/')[0].strip()

-        info_url = "http://vbox7.com/play/magare.do"
+        info_url = 'http://vbox7.com/play/magare.do'
        data = compat_urllib_parse.urlencode({'as3': '1', 'vid': video_id})
        info_request = sanitized_Request(info_url, data)
        info_request.add_header('Content-Type', 'application/x-www-form-urlencoded')
--- a/youtube_dl/extractor/videopremium.py
+++ b/youtube_dl/extractor/videopremium.py
@@ -26,7 +26,7 @@ class VideoPremiumIE(InfoExtractor):
        webpage_url = 'http://videopremium.tv/' + video_id
        webpage = self._download_webpage(webpage_url, video_id)

-        if re.match(r"^<html><head><script[^>]*>window.location\s*=", webpage):
+        if re.match(r'^<html><head><script[^>]*>window.location\s*=', webpage):
            # Download again, we need a cookie
            webpage = self._download_webpage(
                webpage_url, video_id,
@@ -37,10 +37,10 @@ class VideoPremiumIE(InfoExtractor):

        return {
            'id': video_id,
-            'url': "rtmp://e%d.md.iplay.md/play" % random.randint(1, 16),
-            'play_path': "mp4:%s.f4v" % video_id,
-            'page_url': "http://videopremium.tv/" + video_id,
-            'player_url': "http://videopremium.tv/uplayer/uppod.swf",
+            'url': 'rtmp://e%d.md.iplay.md/play' % random.randint(1, 16),
+            'play_path': 'mp4:%s.f4v' % video_id,
+            'page_url': 'http://videopremium.tv/' + video_id,
+            'player_url': 'http://videopremium.tv/uplayer/uppod.swf',
            'ext': 'f4v',
            'title': video_title,
        }
--- a/youtube_dl/extractor/vimeo.py
+++ b/youtube_dl/extractor/vimeo.py
@@ -368,16 +368,16 @@ class VimeoIE(VimeoBaseInfoExtractor):
                    {'force_feature_id': True}), 'Vimeo')

        # Extract title
-        video_title = config["video"]["title"]
+        video_title = config['video']['title']

        # Extract uploader and uploader_id
-        video_uploader = config["video"]["owner"]["name"]
-        video_uploader_id = config["video"]["owner"]["url"].split('/')[-1] if config["video"]["owner"]["url"] else None
+        video_uploader = config['video']['owner']['name']
+        video_uploader_id = config['video']['owner']['url'].split('/')[-1] if config['video']['owner']['url'] else None

        # Extract video thumbnail
-        video_thumbnail = config["video"].get("thumbnail")
+        video_thumbnail = config['video'].get('thumbnail')
        if video_thumbnail is None:
-            video_thumbs = config["video"].get("thumbs")
+            video_thumbs = config['video'].get('thumbs')
            if video_thumbs and isinstance(video_thumbs, dict):
                _, video_thumbnail = sorted((int(width if width.isdigit() else 0), t_url) for (width, t_url) in video_thumbs.items())[-1]

@@ -401,7 +401,7 @@ class VimeoIE(VimeoBaseInfoExtractor):
            self._downloader.report_warning('Cannot find video description')

        # Extract video duration
-        video_duration = int_or_none(config["video"].get("duration"))
+        video_duration = int_or_none(config['video'].get('duration'))

        # Extract upload date
        video_upload_date = None
@@ -703,10 +703,10 @@ class VimeoLikesIE(InfoExtractor):
    _TEST = {
        'url': 'https://vimeo.com/user755559/likes/',
        'playlist_mincount': 293,
-        "info_dict": {
+        'info_dict': {
            'id': 'user755559_likes',
-            "description": "See all the videos urza likes",
-            "title": 'Videos urza likes',
+            'description': 'See all the videos urza likes',
+            'title': 'Videos urza likes',
        },
    }

--- a/youtube_dl/extractor/vine.py
+++ b/youtube_dl/extractor/vine.py
@@ -119,7 +119,7 @@ class VineIE(InfoExtractor):
 class VineUserIE(InfoExtractor):
    IE_NAME = 'vine:user'
    _VALID_URL = r'(?:https?://)?vine\.co/(?P<u>u/)?(?P<user>[^/]+)/?(\?.*)?$'
-    _VINE_BASE_URL = "https://vine.co/"
+    _VINE_BASE_URL = 'https://vine.co/'
    _TESTS = [
        {
            'url': 'https://vine.co/Visa',
@@ -139,7 +139,7 @@ class VineUserIE(InfoExtractor):
        user = mobj.group('user')
        u = mobj.group('u')

-        profile_url = "%sapi/users/profiles/%s%s" % (
+        profile_url = '%sapi/users/profiles/%s%s' % (
            self._VINE_BASE_URL, 'vanity/' if not u else '', user)
        profile_data = self._download_json(
            profile_url, user, note='Downloading user profile data')
@@ -147,7 +147,7 @@ class VineUserIE(InfoExtractor):
        user_id = profile_data['data']['userId']
        timeline_data = []
        for pagenum in itertools.count(1):
-            timeline_url = "%sapi/timelines/users/%s?page=%s&size=100" % (
+            timeline_url = '%sapi/timelines/users/%s?page=%s&size=100' % (
                self._VINE_BASE_URL, user_id, pagenum)
            timeline_page = self._download_json(
                timeline_url, user, note='Downloading page %d' % pagenum)
--- a/youtube_dl/extractor/worldstarhiphop.py
+++ b/youtube_dl/extractor/worldstarhiphop.py
@@ -8,12 +8,12 @@ from .common import InfoExtractor
 class WorldStarHipHopIE(InfoExtractor):
    _VALID_URL = r'https?://(?:www|m)\.worldstar(?:candy|hiphop)\.com/(?:videos|android)/video\.php\?v=(?P<id>.*)'
    _TESTS = [{
-        "url": "http://www.worldstarhiphop.com/videos/video.php?v=wshh6a7q1ny0G34ZwuIO",
-        "md5": "9d04de741161603bf7071bbf4e883186",
-        "info_dict": {
-            "id": "wshh6a7q1ny0G34ZwuIO",
-            "ext": "mp4",
-            "title": "KO Of The Week: MMA Fighter Gets Knocked Out By Swift Head Kick!"
+        'url': 'http://www.worldstarhiphop.com/videos/video.php?v=wshh6a7q1ny0G34ZwuIO',
+        'md5': '9d04de741161603bf7071bbf4e883186',
+        'info_dict': {
+            'id': 'wshh6a7q1ny0G34ZwuIO',
+            'ext': 'mp4',
+            'title': 'KO Of The Week: MMA Fighter Gets Knocked Out By Swift Head Kick!'
        }
    }, {
        'url': 'http://m.worldstarhiphop.com/android/video.php?v=wshh6a7q1ny0G34ZwuIO',
@@ -21,7 +21,7 @@ class WorldStarHipHopIE(InfoExtractor):
        'info_dict': {
            'id': 'wshh6a7q1ny0G34ZwuIO',
            'ext': 'mp4',
-            "title": "KO Of The Week: MMA Fighter Gets Knocked Out By Swift Head Kick!"
+            'title': 'KO Of The Week: MMA Fighter Gets Knocked Out By Swift Head Kick!'
        }
    }]

--- a/youtube_dl/extractor/youjizz.py
+++ b/youtube_dl/extractor/youjizz.py
@@ -16,8 +16,8 @@ class YouJizzIE(InfoExtractor):
        'info_dict': {
            'id': '2189178',
            'ext': 'flv',
-            "title": "Zeichentrick 1",
-            "age_limit": 18,
+            'title': 'Zeichentrick 1',
+            'age_limit': 18,
        }
    }

--- a/youtube_dl/extractor/youku.py
+++ b/youtube_dl/extractor/youku.py
@@ -217,7 +217,7 @@ class YoukuIE(InfoExtractor):
        video_password = self._downloader.params.get('videopassword')

        # request basic data
-        basic_data_url = "http://play.youku.com/play/get.json?vid=%s&ct=12" % video_id
+        basic_data_url = 'http://play.youku.com/play/get.json?vid=%s&ct=12' % video_id
        if video_password:
            basic_data_url += '&pwd=%s' % video_password