[noco] Add support for multi language videos (Closes #4326)

youtube_dl/extractor/noco.py

@@ -20,6 +20,7 @@ class NocoIE(InfoExtractor):
     _VALID_URL = r'http://(?:(?:www\.)?noco\.tv/emission/|player\.noco\.tv/\?idvideo=)(?P<id>\d+)'
     _LOGIN_URL = 'http://noco.tv/do.php'
     _API_URL_TEMPLATE = 'https://api.noco.tv/1.1/%s?ts=%s&tk=%s'
+    _SUB_LANG_TEMPLATE = '&sub_lang=%s'
     _NETRC_MACHINE = 'noco'
 
     _TEST = {
@@ -60,10 +61,12 @@ class NocoIE(InfoExtractor):
         if 'erreur' in login:
             raise ExtractorError('Unable to login: %s' % clean_html(login['erreur']), expected=True)
 
-    def _call_api(self, path, video_id, note):
+    def _call_api(self, path, video_id, note, sub_lang=None):
         ts = compat_str(int(time.time() * 1000))
         tk = hashlib.md5((hashlib.md5(ts.encode('ascii')).hexdigest() + '#8S?uCraTedap6a').encode('ascii')).hexdigest()
         url = self._API_URL_TEMPLATE % (path, ts, tk)
+        if sub_lang:
+            url += self._SUB_LANG_TEMPLATE % sub_lang
 
         resp = self._download_json(url, video_id, note)
 
@@ -91,11 +94,14 @@ class NocoIE(InfoExtractor):
 
         formats = []
 
-        for format_id, fmt in medias['fr']['video_list']['none']['quality_list'].items():
+        for lang, lang_dict in medias['fr']['video_list'].items():
+            for format_id, fmt in lang_dict['quality_list'].items():
+                format_id_extended = '%s-%s' % (lang, format_id) if lang != 'none' else format_id
 
                 video = self._call_api(
                     'shows/%s/video/%s/fr' % (video_id, format_id.lower()),
-                video_id, 'Downloading %s video JSON' % format_id)
+                    video_id, 'Downloading %s video JSON' % format_id_extended,
+                    lang if lang != 'none' else None)
 
                 file_url = video['file']
                 if not file_url:
@@ -107,7 +113,7 @@ class NocoIE(InfoExtractor):
 
                 formats.append({
                     'url': file_url,
-                'format_id': format_id,
+                    'format_id': format_id_extended,
                     'width': fmt['res_width'],
                     'height': fmt['res_lines'],
                     'abr': fmt['audiobitrate'],