[TrovoLive] Add extractor (partially fix #20)

Only VOD extractor has been implemented

Related: https://github.com/ytdl-org/youtube-dl/issues/26125
Related: https://github.com/blackjack4494/yt-dlc/issues/220

youtube_dlc/extractor/extractors.py

@@ -1265,6 +1265,7 @@
 from .toypics import ToypicsUserIE, ToypicsIE
 from .traileraddict import TrailerAddictIE
 from .trilulilu import TriluliluIE
+from .trovolive import TrovoLiveIE
 from .trunews import TruNewsIE
 from .trutv import TruTVIE
 from .tube8 import Tube8IE

youtube_dlc/extractor/trovolive.py

@@ -0,0 +1,111 @@
+# coding: utf-8
+from __future__ import unicode_literals
+
+import re
+
+from .common import InfoExtractor
+
+from ..utils import (
+    js_to_json,
+    try_get,
+    int_or_none,
+    str_or_none,
+    url_or_none,
+)
+from ..compat import compat_str
+
+
+class TrovoLiveIE(InfoExtractor):
+    _VALID_URL = r'https?://(?:www\.)?trovo\.live/video/(?P<id>[\w-]+)'
+    _TEST = {
+        'url': 'https://trovo.live/video/ltv-100759829_100759829_1610625308',
+        'md5': 'ea7b58427910e9af66a462d895201a30',
+        'info_dict': {
+            'id': 'ltv-100759829_100759829_1610625308',
+            'ext': 'ts',
+            'title': 'GTA RP ASTERIX doa najjaca',
+            'uploader': 'Peroo42',
+            'duration': 5872,
+            'view_count': int,
+            'like_count': int,
+            'comment_count': int,
+            'categories': list,
+            'is_live': False,
+            'thumbnail': r're:^https?://.*\.jpg$',
+            'uploader_id': '100759829',
+        }
+    }
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+        webpage = self._download_webpage(url, video_id)
+        nuxt = self._search_regex(r'\bwindow\.__NUXT__\s*=\s*(.+?);?\s*</script>', webpage, 'nuxt', default='')
+        mobj = re.search(r'\((?P<arg_names>[^(]+)\)\s*{\s*return\s+(?P<json>{.+})\s*\((?P<args>.+?)\)\s*\)$', nuxt)
+
+        vod_details = vod_info = {}
+        if mobj:
+            vod_details = self._parse_json(
+                js_to_json(
+                    self._search_regex(r'VodDetailInfos\s*:({.+?}),\s*_', webpage, 'VodDetailInfos'),
+                    dict(zip(
+                        (i.strip() for i in mobj.group('arg_names').split(',')),
+                        (i.strip() for i in mobj.group('args').split(','))))),
+                video_id)
+            vod_info = try_get(vod_details, lambda x: x['json'][video_id]['vodInfo'], dict) or {}
+
+        player_info = self._parse_json(
+            self._search_regex(
+                r'_playerInfo\s*=\s*({.+?})\s*</script>', webpage, 'player info'),
+            video_id)
+
+        title = (
+            vod_info.get('title')
+            or self._html_search_regex(r'<h3>(.+?)</h3>', webpage, 'title', fatal=False)
+            or self._og_search_title(webpage))
+        uploader = (
+            try_get(vod_details, lambda x: x['json'][video_id]['streamerInfo']['userName'], compat_str)
+            or self._search_regex(r'<div[^>]+userName\s=\s[\'"](.+?)[\'"]', webpage, 'uploader', fatal=False))
+
+        format_dicts = vod_info.get('playInfos') or player_info.get('urlArray') or []
+
+        def _extract_format_data(format_dict):
+            res = format_dict.get('desc')
+            enc = str_or_none(format_dict.get('encodeType'))
+            if enc:
+                notes = [enc.replace('VOD_ENCODE_TYPE_', '')]
+            level = str_or_none(format_dict.get('levelType'))
+            if level:
+                notes.append('level %s' % level)
+            height = int_or_none(res[:-1]) if res else None
+            bitrate = format_dict.get('bitrate')
+            fid = res or ('%sk' % str_or_none(bitrate) if bitrate else None) or ' '.join(notes)
+
+            return {
+                'url': format_dict['playUrl'],
+                'format_id': fid,
+                'format_note': ' '.join(notes),
+                'height': height,
+                'resolution': str_or_none(res),
+                'tbr': int_or_none(bitrate),
+                'filesize': int_or_none(format_dict.get('fileSize')),
+                'vcodec': 'avc3',
+                'acodec': 'aac',
+                'ext': 'ts'
+            }
+
+        formats = [_extract_format_data(f) for f in format_dicts]
+        self._sort_formats(formats)
+        return {
+            'id': video_id,
+            'title': title,
+            'uploader': uploader,
+            'duration': int_or_none(vod_info.get('duration')),
+            'formats': formats,
+            'view_count': int_or_none(vod_info.get('watchNum')),
+            'like_count': int_or_none(vod_info.get('likeNum')),
+            'comment_count': int_or_none(vod_info.get('commentNum')),
+            'categories': [str_or_none(vod_info.get('categoryName'))],
+            'is_live': try_get(player_info, lambda x: x['isLive'], bool),
+            'thumbnail': url_or_none(vod_info.get('coverUrl')),
+            'uploader_id': str_or_none(try_get(vod_details, lambda x: x['json'][video_id]['streamerInfo']['uid'])),
+        }

youtube_dlc/utils.py

@@ -4099,7 +4099,8 @@ def strip_jsonp(code):
         r'\g<callback_data>', code)
 
 
-def js_to_json(code):
+def js_to_json(code, vars={}):
+    # vars is a dict of var, val pairs to substitute
     COMMENT_RE = r'/\*(?:(?!\*/).)*?\*/|//[^\n]*'
     SKIP_RE = r'\s*(?:{comment})?\s*'.format(comment=COMMENT_RE)
     INTEGER_TABLE = (
@@ -4128,6 +4129,9 @@ def fix_kv(m):
                     i = int(im.group(1), base)
                     return '"%d":' % i if v.endswith(':') else '%d' % i
 
+            if v in vars:
+                return vars[v]
+
         return '"%s"' % v
 
     return re.sub(r'''(?sx)