[ndtv] Fix title extraction and modernize

youtube_dl/extractor/ndtv.py

@@ -1,22 +1,28 @@
+from __future__ import unicode_literals
+
 import re
 
 from .common import InfoExtractor
-from ..utils import month_by_name
+from ..utils import (
+    month_by_name,
+    int_or_none,
+)
 
 
 class NDTVIE(InfoExtractor):
     _VALID_URL = r'^https?://(?:www\.)?ndtv\.com/video/player/[^/]*/[^/]*/(?P<id>[a-z0-9]+)'
 
     _TEST = {
-        u"url": u"http://www.ndtv.com/video/player/news/ndtv-exclusive-don-t-need-character-certificate-from-rahul-gandhi-says-arvind-kejriwal/300710",
-        u"file": u"300710.mp4",
-        u"md5": u"39f992dbe5fb531c395d8bbedb1e5e88",
-        u"info_dict": {
-            u"title": u"NDTV exclusive: Don't need character certificate from Rahul Gandhi, says Arvind Kejriwal",
-            u"description": u"In an exclusive interview to NDTV, Aam Aadmi Party's Arvind Kejriwal says it makes no difference to him that Rahul Gandhi said the Congress needs to learn from his party.",
-            u"upload_date": u"20131208",
-            u"duration": 1327,
-            u"thumbnail": u"http://i.ndtvimg.com/video/images/vod/medium/2013-12/big_300710_1386518307.jpg",
+        'url': 'http://www.ndtv.com/video/player/news/ndtv-exclusive-don-t-need-character-certificate-from-rahul-gandhi-says-arvind-kejriwal/300710',
+        'md5': '39f992dbe5fb531c395d8bbedb1e5e88',
+        'info_dict': {
+            'id': '300710',
+            'ext': 'mp4',
+            'title': "NDTV exclusive: Don't need character certificate from Rahul Gandhi, says Arvind Kejriwal",
+            'description': 'md5:ab2d4b4a6056c5cb4caa6d729deabf02',
+            'upload_date': '20131208',
+            'duration': 1327,
+            'thumbnail': 'http://i.ndtvimg.com/video/images/vod/medium/2013-12/big_300710_1386518307.jpg',
         },
     }
 
@@ -27,13 +33,12 @@ class NDTVIE(InfoExtractor):
         webpage = self._download_webpage(url, video_id)
 
         filename = self._search_regex(
-            r"__filename='([^']+)'", webpage, u'video filename')
-        video_url = (u'http://bitcast-b.bitgravity.com/ndtvod/23372/ndtv/%s' %
+            r"__filename='([^']+)'", webpage, 'video filename')
+        video_url = ('http://bitcast-b.bitgravity.com/ndtvod/23372/ndtv/%s' %
                      filename)
 
-        duration_str = filename = self._search_regex(
-            r"__duration='([^']+)'", webpage, u'duration', fatal=False)
-        duration = None if duration_str is None else int(duration_str)
+        duration = int_or_none(self._search_regex(
+            r"__duration='([^']+)'", webpage, 'duration', fatal=False))
 
         date_m = re.search(r'''(?x)
             <p\s+class="vod_dateline">\s*
@@ -41,7 +46,7 @@ class NDTVIE(InfoExtractor):
                 (?P<monthname>[A-Za-z]+)\s+(?P<day>[0-9]+),\s*(?P<year>[0-9]+)
             ''', webpage)
         upload_date = None
-        assert date_m
+
         if date_m is not None:
             month = month_by_name(date_m.group('monthname'))
             if month is not None:
@@ -49,14 +54,19 @@ class NDTVIE(InfoExtractor):
                     date_m.group('year'), month, int(date_m.group('day')))
 
         description = self._og_search_description(webpage)
-        READ_MORE = u' (Read more)'
+        READ_MORE = ' (Read more)'
         if description.endswith(READ_MORE):
             description = description[:-len(READ_MORE)]
 
+        title = self._og_search_title(webpage)
+        TITLE_SUFFIX = ' - NDTV'
+        if title.endswith(TITLE_SUFFIX):
+            title = title[:-len(TITLE_SUFFIX)]
+
         return {
             'id': video_id,
             'url': video_url,
-            'title': self._og_search_title(webpage),
+            'title': title,
             'description': description,
             'thumbnail': self._og_search_thumbnail(webpage),
             'duration': duration,