Completely change project name to yt-dlp (#85)

* All modules and binary names are changed
* All documentation references changed
* yt-dlp no longer loads youtube-dlc config files
* All URLs changed to point to organization account

Co-authored-by: Pccode66
Co-authored-by: pukkandan

yt_dlp/extractor/porn91.py

@@ -0,0 +1,63 @@
+# coding: utf-8
+from __future__ import unicode_literals
+
+from .common import InfoExtractor
+from ..utils import (
+    parse_duration,
+    int_or_none,
+    ExtractorError,
+)
+
+
+class Porn91IE(InfoExtractor):
+    IE_NAME = '91porn'
+    _VALID_URL = r'(?:https?://)(?:www\.|)91porn\.com/.+?\?viewkey=(?P<id>[\w\d]+)'
+
+    _TEST = {
+        'url': 'http://91porn.com/view_video.php?viewkey=7e42283b4f5ab36da134',
+        'md5': '7fcdb5349354f40d41689bd0fa8db05a',
+        'info_dict': {
+            'id': '7e42283b4f5ab36da134',
+            'title': '18岁大一漂亮学妹，水嫩性感，再爽一次！',
+            'ext': 'mp4',
+            'duration': 431,
+            'age_limit': 18,
+        }
+    }
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+        self._set_cookie('91porn.com', 'language', 'cn_CN')
+
+        webpage = self._download_webpage(
+            'http://91porn.com/view_video.php?viewkey=%s' % video_id, video_id)
+
+        if '作为游客，你每天只可观看10个视频' in webpage:
+            raise ExtractorError('91 Porn says: Daily limit 10 videos exceeded', expected=True)
+
+        title = self._search_regex(
+            r'<div id="viewvideo-title">([^<]+)</div>', webpage, 'title')
+        title = title.replace('\n', '')
+
+        video_link_url = self._search_regex(
+            r'<textarea[^>]+id=["\']fm-video_link[^>]+>([^<]+)</textarea>',
+            webpage, 'video link')
+        videopage = self._download_webpage(video_link_url, video_id)
+
+        info_dict = self._parse_html5_media_entries(url, videopage, video_id)[0]
+
+        duration = parse_duration(self._search_regex(
+            r'时长:\s*</span>\s*(\d+:\d+)', webpage, 'duration', fatal=False))
+
+        comment_count = int_or_none(self._search_regex(
+            r'留言:\s*</span>\s*(\d+)', webpage, 'comment count', fatal=False))
+
+        info_dict.update({
+            'id': video_id,
+            'title': title,
+            'duration': duration,
+            'comment_count': comment_count,
+            'age_limit': self._rta_search(webpage),
+        })
+
+        return info_dict