[Rule34video] Add extractor (#2279)

Authored by: trassshhub

yt_dlp/extractor/extractors.py

@@ -1301,6 +1301,7 @@
 from .rtvnh import RTVNHIE
 from .rtvs import RTVSIE
 from .ruhd import RUHDIE
+from .rule34video import Rule34VideoIE
 from .rumble import (
     RumbleEmbedIE,
     RumbleChannelIE,

yt_dlp/extractor/rule34video.py

@@ -0,0 +1,65 @@
+# coding: utf-8
+from __future__ import unicode_literals
+import re
+
+from ..utils import parse_duration
+from .common import InfoExtractor
+
+
+class Rule34VideoIE(InfoExtractor):
+    _VALID_URL = r'https?://(?:www\.)?rule34video\.com/videos/(?P<id>\d+)'
+    _TESTS = [
+        {
+            'url': 'https://rule34video.com/videos/3065157/shot-it-mmd-hmv/',
+            'md5': 'ffccac2c23799dabbd192621ae4d04f3',
+            'info_dict': {
+                'id': '3065157',
+                'ext': 'mp4',
+                'title': 'Shot It-(mmd hmv)',
+                'thumbnail': 'https://rule34video.com/contents/videos_screenshots/3065000/3065157/preview.jpg',
+                'duration': 347.0,
+                'age_limit': 18
+            }
+        },
+        {
+            'url': 'https://rule34video.com/videos/3065296/lara-in-trouble-ep-7-wildeerstudio/',
+            'md5': '6bb5169f9f6b38cd70882bf2e64f6b86',
+            'info_dict': {
+                'id': '3065296',
+                'ext': 'mp4',
+                'title': 'Lara in Trouble Ep. 7 [WildeerStudio]',
+                'thumbnail': 'https://rule34video.com/contents/videos_screenshots/3065000/3065296/preview.jpg',
+                'duration': 938.0,
+                'age_limit': 18
+            }
+        },
+    ]
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+        webpage = self._download_webpage(url, video_id)
+
+        formats = []
+
+        for mobj in re.finditer(r'<a[^>]+href="(?P<video_url>[^"]+download=true[^"]+)".*>(?P<ext>[^\s]+) (?P<quality>[^<]+)p</a>', webpage):
+            url, ext, quality = mobj.groups()
+            formats.append({
+                'url': url,
+                'ext': ext.lower(),
+                'quality': quality,
+            })
+
+        title = self._html_search_regex(r'<title>([^<]+)</title>', webpage, 'title')
+        thumbnail = self._html_search_regex(r'preview_url:\s+\'([^\']+)\'', webpage, 'thumbnail', default=None)
+        duration = self._html_search_regex(r'"icon-clock"></i>\s+<span>((?:\d+:?)+)', webpage, 'duration', default=None)
+
+        self._sort_formats(formats)
+
+        return {
+            'id': video_id,
+            'formats': formats,
+            'title': title,
+            'thumbnail': thumbnail,
+            'duration': parse_duration(duration),
+            'age_limit': 18
+        }