Merge 49a68705dc7c506b35b4c4e7f83a132acad43c91 into 3eb8d22ddb8982ca4fb56bb7a8d6517538bf14c6

* thx seproDev, yt-dlp/yt-dlp/pull/12694/commits/ae69e3c
* also add documenting comment in `InfoExtractor`

youtube_dl/extractor/bokecc.py

@@ -32,7 +32,7 @@ class BokeCCBaseIE(InfoExtractor):
 
 
 class BokeCCIE(BokeCCBaseIE):
-    _IE_DESC = 'CC视频'
+    IE_DESC = 'CC视频'
     _VALID_URL = r'https?://union\.bokecc\.com/playvideo\.bo\?(?P<query>.*)'
 
     _TESTS = [{

youtube_dl/extractor/cloudy.py

@@ -9,7 +9,7 @@ from ..utils import (
 
 
 class CloudyIE(InfoExtractor):
-    _IE_DESC = 'cloudy.ec'
+    IE_DESC = 'cloudy.ec'
     _VALID_URL = r'https?://(?:www\.)?cloudy\.ec/(?:v/|embed\.php\?.*?\bid=)(?P<id>[A-Za-z0-9]+)'
     _TESTS = [{
         'url': 'https://www.cloudy.ec/v/af511e2527aac',

youtube_dl/extractor/common.py

@@ -422,6 +422,8 @@ class InfoExtractor(object):
     _GEO_COUNTRIES = None
     _GEO_IP_BLOCKS = None
     _WORKING = True
+    # supply this in public subclasses: used in supported sites list, etc
+    # IE_DESC = 'short description of IE'
 
     def __init__(self, downloader=None):
         """Constructor. Receives an optional downloader."""

youtube_dl/extractor/extractors.py

@@ -746,6 +746,7 @@ from .myvi import (
 )
 from .myvideoge import MyVideoGeIE
 from .myvidster import MyVidsterIE
+from .namava import NamavaIE
 from .nationalgeographic import (
     NationalGeographicVideoIE,
     NationalGeographicTVIE,

youtube_dl/extractor/itv.py

@@ -35,15 +35,6 @@ from ..utils import (
 
 class ITVBaseIE(InfoExtractor):
 
-    def _search_nextjs_data(self, webpage, video_id, **kw):
-        transform_source = kw.pop('transform_source', None)
-        fatal = kw.pop('fatal', True)
-        return self._parse_json(
-            self._search_regex(
-                r'''<script\b[^>]+\bid=('|")__NEXT_DATA__\1[^>]*>(?P<js>[^<]+)</script>''',
-                webpage, 'next.js data', group='js', fatal=fatal, **kw),
-            video_id, transform_source=transform_source, fatal=fatal)
-
     def __handle_request_webpage_error(self, err, video_id=None, errnote=None, fatal=True):
         if errnote is False:
             return False
@@ -109,7 +100,9 @@ class ITVBaseIE(InfoExtractor):
 
 class ITVIE(ITVBaseIE):
     _VALID_URL = r'https?://(?:www\.)?itv\.com/(?:(?P<w>watch)|hub)/[^/]+/(?(w)[\w-]+/)(?P<id>\w+)'
-    _IE_DESC = 'ITVX'
+    IE_DESC = 'ITVX'
+    _WORKING = False
+
     _TESTS = [{
         'note': 'Hub URLs redirect to ITVX',
         'url': 'https://www.itv.com/hub/liar/2a4547a0012',
@@ -270,7 +263,7 @@ class ITVIE(ITVBaseIE):
                 'ext': determine_ext(href, 'vtt'),
             })
 
-        next_data = self._search_nextjs_data(webpage, video_id, fatal=False, default='{}')
+        next_data = self._search_nextjs_data(webpage, video_id, fatal=False, default={})
         video_data.update(traverse_obj(next_data, ('props', 'pageProps', ('title', 'episode')), expected_type=dict)[0] or {})
         title = traverse_obj(video_data, 'headerTitle', 'episodeTitle')
         info = self._og_extract(webpage, require_title=not title)
@@ -323,7 +316,7 @@ class ITVIE(ITVBaseIE):
 
 class ITVBTCCIE(ITVBaseIE):
     _VALID_URL = r'https?://(?:www\.)?itv\.com/(?!(?:watch|hub)/)(?:[^/]+/)+(?P<id>[^/?#&]+)'
-    _IE_DESC = 'ITV articles: News, British Touring Car Championship'
+    IE_DESC = 'ITV articles: News, British Touring Car Championship'
     _TESTS = [{
         'note': 'British Touring Car Championship',
         'url': 'https://www.itv.com/btcc/articles/btcc-2018-all-the-action-from-brands-hatch',

youtube_dl/extractor/namava.py

@@ -0,0 +1,97 @@
+# coding: utf-8
+from __future__ import unicode_literals
+
+from .common import InfoExtractor
+from ..utils import (
+    ExtractorError,
+    urlencode_postdata,
+    url_or_none,
+    str_or_none,
+)
+
+
+class NamavaIE(InfoExtractor):
+    IE_NAME = 'namava'
+    _NETRC_MACHINE = IE_NAME
+    _VALID_URL = r'https?://(?:www\.)?play\.namava\.ir/.*\bm=(?P<id>[0-9]+)'
+    _TEST = {
+        'url': 'https://play.namava.ir/?m=52396&p=desktop',
+        'md5': '15639792543cc8e830a3451db1f44c72',
+        'info_dict': {
+            'id': '52396',
+            'ext': 'mp4',
+            'title': 'پلنگ صورتی - فصل ۴ قسمت ۱',
+            'description': 'ماجراهای سرگرم‌کننده و طنز پلنگ صورتی و اتفاقات غیرمنتظره‌ای که همیشه برای او رخ می‌دهد و او با زیرکی خاص خودش، راه‌حلی را پیدا می‌کند و...'
+        },
+    }
+
+    _LOGIN_URL = 'https://www.namava.ir/api/v1.0/accounts/by-phone/login'
+    HOST = 'www.namava.ir'
+
+    def _real_initialize(self):
+        self._login()
+
+    def _login(self):
+        username, password = self._get_login_info()
+
+        if not username:
+            raise ExtractorError(
+                'Unable to login: you have to pass username and password to logging in.',
+                expected=True)
+
+        login_data = {
+            'UserName': username,
+            'Password': password,
+        }
+        response = self._download_json(
+            self._LOGIN_URL, None,
+            'Logging in', data=urlencode_postdata(login_data))
+
+        if response.get('succeeded') is True:
+            self._set_cookie(self.HOST, 'auth_v2', response.get('result'))
+            return True
+
+        error = response.get('error', {})
+        error_message = error.get('message', '')
+        raise ExtractorError(
+            'Unable to login: %s said: %s' % (self.IE_NAME, error_message),
+            expected=True)
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+
+        info = self._download_json(
+            'https://www.namava.ir/api2/movie/' + video_id,
+            video_id, 'Fetching video info', headers={
+                'Accept': 'application/json, text/plain, */*',
+            })
+
+        title = info.get('Name')
+        if title is None:
+            raise ExtractorError(
+                'Unable to fetch video info',
+                expected=True)
+
+        media_info = info.get('MediaInfoModel', {})
+        domain = media_info.get('Domain') or ''
+        m3u8_file = media_info.get('File') or ''
+        m3u8_url = url_or_none(domain + m3u8_file)
+
+        formats = self._extract_m3u8_formats(
+            m3u8_url, video_id, ext='mp4', fatal=False)
+        self._sort_formats(formats)
+
+        url = formats[-1]['url']
+        if len(formats) > 1:
+            url = formats[-2]['url']
+
+        result = {
+            'id': video_id,
+            'title': title,
+            'ext': 'mp4',
+            'description': str_or_none(info.get('ShortDescription')),
+            'formats': formats,
+            'thumbnail': url_or_none(info.get('ImageAbsoluteUrl')),
+            'url': url
+        }
+        return result

youtube_dl/extractor/senateisvp.py

@@ -47,7 +47,7 @@ class SenateISVPIE(InfoExtractor):
         ['vetaff', '76462', 'http://vetaff-f.akamaihd.net'],
         ['arch', '', 'http://ussenate-f.akamaihd.net/']
     ]
-    _IE_NAME = 'senate.gov'
+    IE_NAME = 'senate.gov'
     _VALID_URL = r'https?://(?:www\.)?senate\.gov/isvp/?\?(?P<qs>.+)'
     _TESTS = [{
         'url': 'http://www.senate.gov/isvp/?comm=judiciary&type=live&stt=&filename=judiciary031715&auto_play=false&wmode=transparent&poster=http%3A%2F%2Fwww.judiciary.senate.gov%2Fthemes%2Fjudiciary%2Fimages%2Fvideo-poster-flash-fit.png',

youtube_dl/jsinterp.py

@@ -686,6 +686,8 @@ class JSInterpreter(object):
             raise self.Exception('Cannot get index {idx!r:.100}'.format(**locals()), expr=repr(obj), cause=e)
 
     def _dump(self, obj, namespace):
+        if obj is JS_Undefined:
+            return 'undefined'
         try:
             return json.dumps(obj)
         except TypeError: