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/libsyn.py

@@ -0,0 +1,93 @@
+# coding: utf-8
+from __future__ import unicode_literals
+
+import re
+
+from .common import InfoExtractor
+from ..utils import (
+    clean_html,
+    get_element_by_class,
+    parse_duration,
+    strip_or_none,
+    unified_strdate,
+)
+
+
+class LibsynIE(InfoExtractor):
+    _VALID_URL = r'(?P<mainurl>https?://html5-player\.libsyn\.com/embed/episode/id/(?P<id>[0-9]+))'
+
+    _TESTS = [{
+        'url': 'http://html5-player.libsyn.com/embed/episode/id/6385796/',
+        'md5': '2a55e75496c790cdeb058e7e6c087746',
+        'info_dict': {
+            'id': '6385796',
+            'ext': 'mp3',
+            'title': "Champion Minded - Developing a Growth Mindset",
+            # description fetched using another request:
+            # http://html5-player.libsyn.com/embed/getitemdetails?item_id=6385796
+            # 'description': 'In this episode, Allistair talks about the importance of developing a growth mindset, not only in sports, but in life too.',
+            'upload_date': '20180320',
+            'thumbnail': 're:^https?://.*',
+        },
+    }, {
+        'url': 'https://html5-player.libsyn.com/embed/episode/id/3727166/height/75/width/200/theme/standard/direction/no/autoplay/no/autonext/no/thumbnail/no/preload/no/no_addthis/no/',
+        'md5': '6c5cb21acd622d754d3b1a92b582ce42',
+        'info_dict': {
+            'id': '3727166',
+            'ext': 'mp3',
+            'title': 'Clients From Hell Podcast - How a Sex Toy Company Kickstarted my Freelance Career',
+            'upload_date': '20150818',
+            'thumbnail': 're:^https?://.*',
+        }
+    }]
+
+    def _real_extract(self, url):
+        url, video_id = re.match(self._VALID_URL, url).groups()
+        webpage = self._download_webpage(url, video_id)
+
+        data = self._parse_json(self._search_regex(
+            r'var\s+playlistItem\s*=\s*({.+?});',
+            webpage, 'JSON data block'), video_id)
+
+        episode_title = data.get('item_title') or get_element_by_class('episode-title', webpage)
+        if not episode_title:
+            self._search_regex(
+                [r'data-title="([^"]+)"', r'<title>(.+?)</title>'],
+                webpage, 'episode title')
+        episode_title = episode_title.strip()
+
+        podcast_title = strip_or_none(clean_html(self._search_regex(
+            r'<h3>([^<]+)</h3>', webpage, 'podcast title',
+            default=None) or get_element_by_class('podcast-title', webpage)))
+
+        title = '%s - %s' % (podcast_title, episode_title) if podcast_title else episode_title
+
+        formats = []
+        for k, format_id in (('media_url_libsyn', 'libsyn'), ('media_url', 'main'), ('download_link', 'download')):
+            f_url = data.get(k)
+            if not f_url:
+                continue
+            formats.append({
+                'url': f_url,
+                'format_id': format_id,
+            })
+
+        description = self._html_search_regex(
+            r'<p\s+id="info_text_body">(.+?)</p>', webpage,
+            'description', default=None)
+        if description:
+            # Strip non-breaking and normal spaces
+            description = description.replace('\u00A0', ' ').strip()
+        release_date = unified_strdate(self._search_regex(
+            r'<div class="release_date">Released: ([^<]+)<',
+            webpage, 'release date', default=None) or data.get('release_date'))
+
+        return {
+            'id': video_id,
+            'title': title,
+            'description': description,
+            'thumbnail': data.get('thumbnail_url'),
+            'upload_date': release_date,
+            'duration': parse_duration(data.get('duration')),
+            'formats': formats,
+        }