Remove unused imports and simplify

8 files changed, 29 insertions, 37 deletions

diff --git a/youtube_dl/extractor/cliphunter.py b/youtube_dl/extractor/cliphunter.py
index d891fa301..58846e8e7 100644
--- a/youtube_dl/extractor/cliphunter.py
+++ b/youtube_dl/extractor/cliphunter.py
@@ -1,12 +1,9 @@
 from __future__ import unicode_literals
 
 import re
-import string
 
 from .common import InfoExtractor
-from ..utils import (
-    ExtractorError,
-)
+
 
 translation_table = {
     'a': 'h', 'd': 'e', 'e': 'v', 'f': 'o', 'g': 'f', 'i': 'd', 'l': 'n',
diff --git a/youtube_dl/extractor/infoq.py b/youtube_dl/extractor/infoq.py
index 7c208b85d..ed32373a1 100644
--- a/youtube_dl/extractor/infoq.py
+++ b/youtube_dl/extractor/infoq.py
@@ -10,7 +10,7 @@ from ..utils import (
 
 
 class InfoQIE(InfoExtractor):
-    _VALID_URL = r'^(?:https?://)?(?:www\.)?infoq\.com/[^/]+/[^/]+$'
+    _VALID_URL = r'https?://(?:www\.)?infoq\.com/[^/]+/(?P<id>[^/]+)$'
     _TEST = {
         "name": "InfoQ",
         "url": "http://www.infoq.com/presentations/A-Few-of-My-Favorite-Python-Things",
@@ -26,9 +26,9 @@ class InfoQIE(InfoExtractor):
 
     def _real_extract(self, url):
         mobj = re.match(self._VALID_URL, url)
+        video_id = mobj.group('id')
 
-        webpage = self._download_webpage(url, video_id=url)
-        self.report_extraction(url)
+        webpage = self._download_webpage(url, video_id)
 
         # Extract video URL
         encoded_id = self._search_regex(r"jsclassref ?= ?'([^']*)'", webpage, 'encoded id')
@@ -50,6 +50,6 @@ class InfoQIE(InfoExtractor):
             'id': video_id,
             'url': video_url,
             'title': video_title,
-            'ext': extension, # Extension is always(?) mp4, but seems to be flv
+            'ext': extension,  # Extension is always(?) mp4, but seems to be flv
             'description': video_description,
         }
diff --git a/youtube_dl/extractor/liveleak.py b/youtube_dl/extractor/liveleak.py
index 4e76c1f4a..0a700d663 100644
--- a/youtube_dl/extractor/liveleak.py
+++ b/youtube_dl/extractor/liveleak.py
@@ -4,9 +4,6 @@ import json
 import re
 
 from .common import InfoExtractor
-from ..utils import (
-    ExtractorError,
-)
 
 
 class LiveLeakIE(InfoExtractor):
diff --git a/youtube_dl/extractor/newgrounds.py b/youtube_dl/extractor/newgrounds.py
index 5cb83ba14..2e72e8915 100644
--- a/youtube_dl/extractor/newgrounds.py
+++ b/youtube_dl/extractor/newgrounds.py
@@ -4,18 +4,18 @@ import json
 import re
 
 from .common import InfoExtractor
-from ..utils import determine_ext
 
 
 class NewgroundsIE(InfoExtractor):
-    _VALID_URL = r'(?:https?://)?(?:www\.)?newgrounds\.com/audio/listen/(?P<id>\d+)'
+    _VALID_URL = r'https?://(?:www\.)?newgrounds\.com/audio/listen/(?P<id>[0-9]+)'
     _TEST = {
         'url': 'http://www.newgrounds.com/audio/listen/549479',
-        'file': '549479.mp3',
         'md5': 'fe6033d297591288fa1c1f780386f07a',
         'info_dict': {
-            "title": "B7 - BusMode",
-            "uploader": "Burn7",
+            'id': '549479',
+            'ext': 'mp3',
+            'title': 'B7 - BusMode',
+            'uploader': 'Burn7',
         }
     }
 
diff --git a/youtube_dl/extractor/rbmaradio.py b/youtube_dl/extractor/rbmaradio.py
index b9cb7abd1..2c53ed2e1 100644
--- a/youtube_dl/extractor/rbmaradio.py
+++ b/youtube_dl/extractor/rbmaradio.py
@@ -6,8 +6,6 @@ import re
 
 from .common import InfoExtractor
 from ..utils import (
-    compat_urllib_parse_urlparse,
-
     ExtractorError,
 )
 
@@ -16,9 +14,10 @@ class RBMARadioIE(InfoExtractor):
     _VALID_URL = r'https?://(?:www\.)?rbmaradio\.com/shows/(?P<videoID>[^/]+)$'
     _TEST = {
         'url': 'http://www.rbmaradio.com/shows/ford-lopatin-live-at-primavera-sound-2011',
-        'file': 'ford-lopatin-live-at-primavera-sound-2011.mp3',
         'md5': '6bc6f9bcb18994b4c983bc3bf4384d95',
         '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.",
@@ -42,7 +41,6 @@ class RBMARadioIE(InfoExtractor):
             raise ExtractorError('Invalid JSON: ' + str(e))
 
         video_url = data['akamai_url'] + '&cbr=256'
-        url_parts = compat_urllib_parse_urlparse(video_url)
 
         return {
             'id': video_id,
diff --git a/youtube_dl/extractor/southparkstudios.py b/youtube_dl/extractor/southparkstudios.py
index 9f8d3a5fa..aea8e6439 100644
--- a/youtube_dl/extractor/southparkstudios.py
+++ b/youtube_dl/extractor/southparkstudios.py
@@ -1,34 +1,36 @@
-import re
+from __future__ import unicode_literals
 
 from .mtv import MTVServicesInfoExtractor
 
 
 class SouthParkStudiosIE(MTVServicesInfoExtractor):
-    IE_NAME = u'southparkstudios.com'
-    _VALID_URL = r'(https?://)?(www\.)?(?P<url>southparkstudios\.com/(clips|full-episodes)/(?P<id>.+?)(\?|#|$))'
+    IE_NAME = 'southparkstudios.com'
+    _VALID_URL = r'https?://(www\.)?(?P<url>southparkstudios\.com/(clips|full-episodes)/(?P<id>.+?)(\?|#|$))'
 
     _FEED_URL = 'http://www.southparkstudios.com/feeds/video-player/mrss'
 
     _TESTS = [{
-        u'url': u'http://www.southparkstudios.com/clips/104437/bat-daded#tab=featured',
-        u'file': u'a7bff6c2-ed00-11e0-aca6-0026b9414f30.mp4',
-        u'info_dict': {
-            u'title': u'Bat Daded',
-            u'description': u'Randy disqualifies South Park by getting into a fight with Bat Dad.',
+        'url': 'http://www.southparkstudios.com/clips/104437/bat-daded#tab=featured',
+        'info_dict': {
+            'id': 'a7bff6c2-ed00-11e0-aca6-0026b9414f30',
+            'ext': 'mp4',
+            'title': 'Bat Daded',
+            'description': 'Randy disqualifies South Park by getting into a fight with Bat Dad.',
         },
     }]
 
 
 class SouthparkDeIE(SouthParkStudiosIE):
-    IE_NAME = u'southpark.de'
-    _VALID_URL = r'(https?://)?(www\.)?(?P<url>southpark\.de/(clips|alle-episoden)/(?P<id>.+?)(\?|#|$))'
+    IE_NAME = 'southpark.de'
+    _VALID_URL = r'https?://(www\.)?(?P<url>southpark\.de/(clips|alle-episoden)/(?P<id>.+?)(\?|#|$))'
     _FEED_URL = 'http://www.southpark.de/feeds/video-player/mrss/'
 
     _TESTS = [{
-        u'url': u'http://www.southpark.de/clips/uygssh/the-government-wont-respect-my-privacy#tab=featured',
-        u'file': u'85487c96-b3b9-4e39-9127-ad88583d9bf2.mp4',
-        u'info_dict': {
-            u'title': u'The Government Won\'t Respect My Privacy',
-            u'description': u'Cartman explains the benefits of "Shitter" to Stan, Kyle and Craig.',
+        'url': 'http://www.southpark.de/clips/uygssh/the-government-wont-respect-my-privacy#tab=featured',
+        'info_dict': {
+            'id': '85487c96-b3b9-4e39-9127-ad88583d9bf2',
+            'ext': 'mp4',
+            'title': 'The Government Won\'t Respect My Privacy',
+            'description': 'Cartman explains the benefits of "Shitter" to Stan, Kyle and Craig.',
         },
     }]
diff --git a/youtube_dl/extractor/vevo.py b/youtube_dl/extractor/vevo.py
index f0673972c..e458ac961 100644
--- a/youtube_dl/extractor/vevo.py
+++ b/youtube_dl/extractor/vevo.py
@@ -1,7 +1,6 @@
 from __future__ import unicode_literals
 
 import re
-import json
 import xml.etree.ElementTree
 import datetime
 
diff --git a/youtube_dl/extractor/xhamster.py b/youtube_dl/extractor/xhamster.py
index d317f29f2..f6c515f7f 100644
--- a/youtube_dl/extractor/xhamster.py
+++ b/youtube_dl/extractor/xhamster.py
@@ -5,7 +5,6 @@ import re
 from .common import InfoExtractor
 from ..utils import (
     compat_urllib_parse,
-    unescapeHTML,
     ExtractorError,
 )