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/c56.py

@@ -0,0 +1,65 @@
+# coding: utf-8
+from __future__ import unicode_literals
+
+import re
+
+from .common import InfoExtractor
+from ..utils import js_to_json
+
+
+class C56IE(InfoExtractor):
+    _VALID_URL = r'https?://(?:(?:www|player)\.)?56\.com/(?:.+?/)?(?:v_|(?:play_album.+-))(?P<textid>.+?)\.(?:html|swf)'
+    IE_NAME = '56.com'
+    _TESTS = [{
+        'url': 'http://www.56.com/u39/v_OTM0NDA3MTY.html',
+        'md5': 'e59995ac63d0457783ea05f93f12a866',
+        'info_dict': {
+            'id': '93440716',
+            'ext': 'flv',
+            'title': '网事知多少 第32期：车怒',
+            'duration': 283.813,
+        },
+    }, {
+        'url': 'http://www.56.com/u47/v_MTM5NjQ5ODc2.html',
+        'md5': '',
+        'info_dict': {
+            'id': '82247482',
+            'title': '爱的诅咒之杜鹃花开',
+        },
+        'playlist_count': 7,
+        'add_ie': ['Sohu'],
+    }]
+
+    def _real_extract(self, url):
+        mobj = re.match(self._VALID_URL, url, flags=re.VERBOSE)
+        text_id = mobj.group('textid')
+
+        webpage = self._download_webpage(url, text_id)
+        sohu_video_info_str = self._search_regex(
+            r'var\s+sohuVideoInfo\s*=\s*({[^}]+});', webpage, 'Sohu video info', default=None)
+        if sohu_video_info_str:
+            sohu_video_info = self._parse_json(
+                sohu_video_info_str, text_id, transform_source=js_to_json)
+            return self.url_result(sohu_video_info['url'], 'Sohu')
+
+        page = self._download_json(
+            'http://vxml.56.com/json/%s/' % text_id, text_id, 'Downloading video info')
+
+        info = page['info']
+
+        formats = [
+            {
+                'format_id': f['type'],
+                'filesize': int(f['filesize']),
+                'url': f['url']
+            } for f in info['rfiles']
+        ]
+        self._sort_formats(formats)
+
+        return {
+            'id': info['vid'],
+            'title': info['Subject'],
+            'duration': int(info['duration']) / 1000.0,
+            'formats': formats,
+            'thumbnail': info.get('bimg') or info.get('img'),
+        }