[extractor/zaiko] Add extractor (#7254)

Closes #7196
Authored by: c-basalt

yt_dlp/extractor/_extractors.py

@@ -2441,6 +2441,7 @@ from .younow import (
 from .youporn import YouPornIE
 from .yourporn import YourPornIE
 from .yourupload import YourUploadIE
+from .zaiko import ZaikoIE
 from .zapiks import ZapiksIE
 from .zattoo import (
     BBVTVIE,

yt_dlp/extractor/zaiko.py

@@ -0,0 +1,92 @@
+from .common import InfoExtractor
+from ..utils import (
+    ExtractorError,
+    extract_attributes,
+    int_or_none,
+    str_or_none,
+    traverse_obj,
+    unescapeHTML,
+    url_or_none,
+)
+
+
+class ZaikoIE(InfoExtractor):
+    _VALID_URL = r'https?://(?:[\w-]+\.)?zaiko\.io/event/(?P<id>\d+)/stream(?:/\d+)+'
+    _TESTS = [{
+        'url': 'https://zaiko.io/event/324868/stream/20571/20571',
+        'info_dict': {
+            'id': '324868',
+            'ext': 'mp4',
+            'title': 'ZAIKO STREAMING TEST',
+            'alt_title': '[VOD] ZAIKO STREAMING TEST_20210603(Do Not Delete)',
+            'uploader_id': '454',
+            'uploader': 'ZAIKO ZERO',
+            'release_timestamp': 1583809200,
+            'thumbnail': r're:https://[a-z0-9]+.cloudfront.net/[a-z0-9_]+/[a-z0-9_]+',
+            'release_date': '20200310',
+            'categories': ['Tech House'],
+            'live_status': 'was_live',
+        },
+        'params': {'skip_download': 'm3u8'},
+    }]
+
+    def _parse_vue_element_attr(self, name, string, video_id):
+        page_elem = self._search_regex(rf'(<{name}[^>]+>)', string, name)
+        attrs = {}
+        for key, value in extract_attributes(page_elem).items():
+            if key.startswith(':'):
+                attrs[key[1:]] = self._parse_json(
+                    value, video_id, transform_source=unescapeHTML, fatal=False)
+        return attrs
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+
+        webpage, urlh = self._download_webpage_handle(url, video_id)
+        final_url = urlh.geturl()
+        if 'zaiko.io/login' in final_url:
+            self.raise_login_required()
+        elif '/_buy/' in final_url:
+            raise ExtractorError('Your account does not have tickets to this event', expected=True)
+        stream_meta = self._parse_vue_element_attr('stream-page', webpage, video_id)
+
+        player_page = self._download_webpage(
+            stream_meta['stream-access']['video_source'], video_id,
+            'Downloading player page', headers={'referer': 'https://zaiko.io/'})
+        player_meta = self._parse_vue_element_attr('player', player_page, video_id)
+        status = traverse_obj(player_meta, ('initial_event_info', 'status', {str}))
+        live_status, msg, expected = {
+            'vod': ('was_live', 'No VOD stream URL was found', False),
+            'archiving': ('post_live', 'Event VOD is still being processed', True),
+            'deleting': ('post_live', 'This event has ended', True),
+            'deleted': ('post_live', 'This event has ended', True),
+            'error': ('post_live', 'This event has ended', True),
+            'disconnected': ('post_live', 'Stream has been disconnected', True),
+            'live_to_disconnected': ('post_live', 'Stream has been disconnected', True),
+            'live': ('is_live', 'No livestream URL found was found', False),
+            'waiting': ('is_upcoming', 'Live event has not yet started', True),
+            'cancelled': ('not_live', 'Event has been cancelled', True),
+        }.get(status) or ('not_live', f'Unknown event status "{status}"', False)
+
+        stream_url = traverse_obj(player_meta, ('initial_event_info', 'endpoint', {url_or_none}))
+        formats = self._extract_m3u8_formats(
+            stream_url, video_id, live=True, fatal=False) if stream_url else []
+        if not formats:
+            self.raise_no_formats(msg, expected=expected)
+
+        return {
+            'id': video_id,
+            'formats': formats,
+            'live_status': live_status,
+            **traverse_obj(stream_meta, {
+                'title': ('event', 'name', {str}),
+                'uploader': ('profile', 'name', {str}),
+                'uploader_id': ('profile', 'id', {str_or_none}),
+                'release_timestamp': ('stream', 'start', 'timestamp', {int_or_none}),
+                'categories': ('event', 'genres', ..., {lambda x: x or None}),
+            }),
+            **traverse_obj(player_meta, ('initial_event_info', {
+                'alt_title': ('title', {str}),
+                'thumbnail': ('poster_url', {url_or_none}),
+            })),
+        }