From 1d4247f64e4124476f807e9eeb58fd401ffcd8ae Mon Sep 17 00:00:00 2001
From: Petr Kutalek <petr.kutalek@forers.com>
Date: Sun, 21 Dec 2014 01:24:05 +0100
Subject: [PATCH] [dvtv] Add support for playlists

---
 youtube_dl/extractor/dvtv.py | 118 ++++++++++++++++++++++++++---------
 1 file changed, 89 insertions(+), 29 deletions(-)

diff --git a/youtube_dl/extractor/dvtv.py b/youtube_dl/extractor/dvtv.py
index af552831c..2449b03b5 100644
--- a/youtube_dl/extractor/dvtv.py
+++ b/youtube_dl/extractor/dvtv.py
@@ -2,62 +2,122 @@
 
 from __future__ import unicode_literals
 
+import re
+
 from .common import InfoExtractor
 from ..utils import (
     js_to_json,
-    unescapeHTML
+    unescapeHTML,
+    ExtractorError
 )
 
 
 class DVTVIE(InfoExtractor):
     IE_NAME = 'dvtv'
-    IE_DESC = 'http://video.aktualne.cz/dvtv/'
+    IE_DESC = 'http://video.aktualne.cz/'
 
-    _VALID_URL = r'http://video\.aktualne\.cz/dvtv/(?P<id>[a-z0-9-]+/r~[0-9a-f]{32})/?'
+    _VALID_URL = r'http://video\.aktualne\.cz/.*/r~(?P<id>[0-9a-f]{32})/'
 
     _TESTS = [{
         'url': 'http://video.aktualne.cz/dvtv/vondra-o-ceskem-stoleti-pri-pohledu-na-havla-mi-bylo-trapne/r~e5efe9ca855511e4833a0025900fea04/',
-        'md5': '75800f964fa0f82939a2914563301f72',
+        'md5': '67cb83e4a955d36e1b5d31993134a0c2',
         'info_dict': {
-            'id': 'e5efe9ca855511e4833a0025900fea04',
-            'ext': 'webm',
+            'id': 'dc0768de855511e49e4b0025900fea04',
+            'ext': 'mp4',
             'title': 'Vondra o Českém století: Při pohledu na Havla mi bylo trapně'
         }
     }, {
         'url': 'http://video.aktualne.cz/dvtv/stropnicky-policie-vrbetice-preventivne-nekontrolovala/r~82ed4322849211e4a10c0025900fea04/',
         'md5': '6388f1941b48537dbd28791f712af8bf',
         'info_dict': {
-            'id': '82ed4322849211e4a10c0025900fea04',
+            'id': '72c02230849211e49f60002590604f2e',
             'ext': 'mp4',
             'title': 'Stropnický: Policie Vrbětice preventivně nekontrolovala'
         }
+    }, {
+        'url': 'http://video.aktualne.cz/dvtv/dvtv-16-12-2014-utok-talibanu-boj-o-kliniku-uprchlici/r~973eb3bc854e11e498be002590604f2e/',
+        'info_dict': {
+            'title': 'DVTV 16. 12. 2014: útok Talibanu, boj o kliniku, uprchlíci',
+            'id': '973eb3bc854e11e498be002590604f2e'
+        },
+        'playlist': [{
+            'md5': 'da7ca6be4935532241fa9520b3ad91e4',
+            'info_dict': {
+                'id': 'b0b40906854d11e4bdad0025900fea04',
+                'ext': 'mp4',
+                'title': 'Drtinová Veselovský TV 16. 12. 2014: Témata dne'
+            }
+        }, {
+            'md5': '5f7652a08b05009c1292317b449ffea2',
+            'info_dict': {
+                'id': '420ad9ec854a11e4bdad0025900fea04',
+                'ext': 'mp4',
+                'title': 'Školní masakr možná změní boj s Talibanem, říká novinářka'
+            }
+        }, {
+            'md5': '498eb9dfa97169f409126c617e2a3d64',
+            'info_dict': {
+                'id': '95d35580846a11e4b6d20025900fea04',
+                'ext': 'mp4',
+                'title': 'Boj o kliniku: Veřejný zájem, nebo právo na majetek?'
+            }
+        }, {
+            'md5': 'b8dc6b744844032dab6ba3781a7274b9',
+            'info_dict': {
+                'id': '6fe14d66853511e4833a0025900fea04',
+                'ext': 'mp4',
+                'title': 'Pánek: Odmítání syrských uprchlíků je ostudou české vlády'
+            }
+        }]
     }]
 
+    def _parse_video_metadata(self, js, video_id):
+        metadata = self._parse_json(js, video_id, transform_source=js_to_json)
+
+        formats = []
+        for video in metadata['sources']:
+            ext = video['type'][6:]
+            formats.append({
+                'url': video['file'],
+                'ext': ext,
+                'format': '%s %s' % (ext, video['label']),
+                'format_id': '%s-%s' % (ext, video['label']),
+                'height': int(video['label'].rstrip('p')),
+                'fps': 25,
+            })
+
+        self._sort_formats(formats)
+
+        return {
+            'id': metadata['mediaid'],
+            'title': unescapeHTML(metadata['title']),
+            'thumbnail': 'http:%s' % metadata['image'],
+            'formats': formats
+        }
+
     def _real_extract(self, url):
         video_id = self._match_id(url)
         webpage = self._download_webpage(url, video_id)
 
-        code = self._search_regex(
+        # singe video
+        items =  re.findall(
             r'(?s)embedData[0-9a-f]{32}\[\'asset\'\] = (\{.+?\});',
-            webpage, 'video JSON')
-        payload = self._parse_json(code, video_id, transform_source=js_to_json)
-        formats = []
-        for source in payload['sources']:
-            ext = source['type'][6:]
-            formats.append({
-                'url': source['file'],
-                'ext': ext,
-                'format': '%s %s' % (ext, source['label']),
-                'format_id': '%s-%s' % (ext, source['label']),
-                'height': int(source['label'].rstrip('p')),
-                'fps': 25,
-            })
-        self._sort_formats(formats)
+            webpage)
 
-        return {
-            'id': video_id[-32:],
-            'display_id': video_id[:-35],
-            'title': unescapeHTML(payload['title']),
-            'thumbnail': 'http:%s' % payload['image'],
-            'formats': formats
-        }
+        if items:
+            return self._parse_video_metadata(items[0], video_id)
+
+        # playlist
+        items = re.findall(
+            r'(?s)BBX\.context\.assets\[\'[0-9a-f]{32}\'\]\.push\((\{.+?\})\);',
+            webpage)
+
+        if items:
+            return {
+                '_type': 'playlist',
+                'id': video_id,
+                'title': self._og_search_title(webpage),
+                'entries': [self._parse_video_metadata(i, video_id) for i in items]
+            }
+
+        raise ExtractorError('Could not find neither video nor playlist for requested ID')