Simplify formats accumulation for f4m/m3u8/smil formats
[youtube-dl] / youtube_dl / extractor / zdf.py
index 35ece354a6ecdf7ba5705184d4ceff22d57eb3d4..2a1f2f6d138d9d24bb6025e01aaa79265ed17343 100644 (file)
 # coding: utf-8
+from __future__ import unicode_literals
 
-import operator
+import functools
 import re
 
 from .common import InfoExtractor
 from ..utils import (
+    int_or_none,
     unified_strdate,
+    OnDemandPagedList,
+    xpath_text,
+    determine_ext,
+    qualities,
+    float_or_none,
 )
 
 
 class ZDFIE(InfoExtractor):
-    _VALID_URL = r'^https?://www\.zdf\.de/ZDFmediathek(?P<hash>#)?/(.*beitrag/(?:video/)?)(?P<video_id>[0-9]+)(?:/[^/?]+)?(?:\?.*)?'
-
-    _TEST = {
-        u"url": u"http://www.zdf.de/ZDFmediathek/beitrag/video/2037704/ZDFspezial---Ende-des-Machtpokers--?bc=sts;stt",
-        u"file": u"2037704.webm",
-        u"info_dict": {
-            u"upload_date": u"20131127",
-            u"description": u"Union und SPD haben sich auf einen Koalitionsvertrag geeinigt. Aber was bedeutet das für die Bürger? Sehen Sie hierzu das ZDFspezial \"Ende des Machtpokers - Große Koalition für Deutschland\".",
-            u"uploader": u"spezial",
-            u"title": u"ZDFspezial - Ende des Machtpokers"
+    _VALID_URL = r'(?:zdf:|zdf:video:|https?://www\.zdf\.de/ZDFmediathek(?:#)?/(.*beitrag/(?:video/)?))(?P<id>[0-9]+)(?:/[^/?]+)?(?:\?.*)?'
+
+    _TESTS = [{
+        'url': 'http://www.zdf.de/ZDFmediathek/beitrag/video/2037704/ZDFspezial---Ende-des-Machtpokers--?bc=sts;stt',
+        'info_dict': {
+            'id': '2037704',
+            'ext': 'webm',
+            'title': 'ZDFspezial - Ende des Machtpokers',
+            'description': 'Union und SPD haben sich auf einen Koalitionsvertrag geeinigt. Aber was bedeutet das für die Bürger? Sehen Sie hierzu das ZDFspezial "Ende des Machtpokers - Große Koalition für Deutschland".',
+            'duration': 1022,
+            'uploader': 'spezial',
+            'uploader_id': '225948',
+            'upload_date': '20131127',
         },
-        u"skip": u"Videos on ZDF.de are depublicised in short order",
-    }
-
-    def _real_extract(self, url):
-        mobj = re.match(self._VALID_URL, url)
-        video_id = mobj.group('video_id')
-
-        xml_url = u'http://www.zdf.de/ZDFmediathek/xmlservice/web/beitragsDetails?ak=web&id=%s' % video_id
+        'skip': 'Videos on ZDF.de are depublicised in short order',
+    }]
+
+    def _parse_smil_formats(self, smil, smil_url, video_id, namespace=None, f4m_params=None, transform_rtmp_url=None):
+        param_groups = {}
+        for param_group in smil.findall(self._xpath_ns('./head/paramGroup', namespace)):
+            group_id = param_group.attrib.get(self._xpath_ns('id', 'http://www.w3.org/XML/1998/namespace'))
+            params = {}
+            for param in param_group:
+                params[param.get('name')] = param.get('value')
+            param_groups[group_id] = params
+
+        formats = []
+        for video in smil.findall(self._xpath_ns('.//video', namespace)):
+            src = video.get('src')
+            if not src:
+                continue
+            bitrate = float_or_none(video.get('system-bitrate') or video.get('systemBitrate'), 1000)
+            group_id = video.get('paramGroup')
+            param_group = param_groups[group_id]
+            for proto in param_group['protocols'].split(','):
+                formats.append({
+                    'url': '%s://%s' % (proto, param_group['host']),
+                    'app': param_group['app'],
+                    'play_path': src,
+                    'ext': 'flv',
+                    'format_id': '%s-%d' % (proto, bitrate),
+                    'tbr': bitrate,
+                    'protocol': proto,
+                })
+        self._sort_formats(formats)
+        return formats
+
+    def extract_from_xml_url(self, video_id, xml_url):
         doc = self._download_xml(
             xml_url, video_id,
-            note=u'Downloading video info',
-            errnote=u'Failed to download video info')
+            note='Downloading video info',
+            errnote='Failed to download video info')
 
         title = doc.find('.//information/title').text
-        description = doc.find('.//information/detail').text
-        uploader_node = doc.find('.//details/originChannelTitle')
-        uploader = None if uploader_node is None else uploader_node.text
-        duration_str = doc.find('.//details/length').text
-        duration_m = re.match(r'''(?x)^
-            (?P<hours>[0-9]{2})
-            :(?P<minutes>[0-9]{2})
-            :(?P<seconds>[0-9]{2})
-            (?:\.(?P<ms>[0-9]+)?)
-            ''', duration_str)
-        duration = (
-            (
-                (int(duration_m.group('hours')) * 60 * 60) +
-                (int(duration_m.group('minutes')) * 60) +
-                int(duration_m.group('seconds'))
-            )
-            if duration_m
-            else None
-        )
-        upload_date = unified_strdate(doc.find('.//details/airtime').text)
-
-        def xml_to_format(fnode):
-            video_url = fnode.find('url').text
-            is_available = u'http://www.metafilegenerator' not in video_url
+        description = xpath_text(doc, './/information/detail', 'description')
+        duration = int_or_none(xpath_text(doc, './/details/lengthSec', 'duration'))
+        uploader = xpath_text(doc, './/details/originChannelTitle', 'uploader')
+        uploader_id = xpath_text(doc, './/details/originChannelId', 'uploader id')
+        upload_date = unified_strdate(xpath_text(doc, './/details/airtime', 'upload date'))
+
+        def xml_to_thumbnails(fnode):
+            thumbnails = []
+            for node in fnode:
+                thumbnail_url = node.text
+                if not thumbnail_url:
+                    continue
+                thumbnail = {
+                    'url': thumbnail_url,
+                }
+                if 'key' in node.attrib:
+                    m = re.match('^([0-9]+)x([0-9]+)$', node.attrib['key'])
+                    if m:
+                        thumbnail['width'] = int(m.group(1))
+                        thumbnail['height'] = int(m.group(2))
+                thumbnails.append(thumbnail)
+            return thumbnails
+
+        thumbnails = xml_to_thumbnails(doc.findall('.//teaserimages/teaserimage'))
 
+        format_nodes = doc.findall('.//formitaeten/formitaet')
+        quality = qualities(['veryhigh', 'high', 'med', 'low'])
+
+        def get_quality(elem):
+            return quality(xpath_text(elem, 'quality'))
+        format_nodes.sort(key=get_quality)
+        format_ids = []
+        formats = []
+        for fnode in format_nodes:
+            video_url = fnode.find('url').text
+            is_available = 'http://www.metafilegenerator' not in video_url
+            if not is_available:
+                continue
             format_id = fnode.attrib['basetype']
+            quality = xpath_text(fnode, './quality', 'quality')
             format_m = re.match(r'''(?x)
                 (?P<vcodec>[^_]+)_(?P<acodec>[^_]+)_(?P<container>[^_]+)_
                 (?P<proto>[^_]+)_(?P<index>[^_]+)_(?P<indexproto>[^_]+)
             ''', format_id)
 
-            ext = format_m.group('container')
-            is_supported = ext != 'f4f'
-
-            PROTO_ORDER = ['http', 'rtmp', 'rtsp']
-            try:
-                proto_pref = -PROTO_ORDER.index(format_m.group('proto'))
-            except ValueError:
-                proto_pref = -999
-
-            quality = fnode.find('./quality').text
-            QUALITY_ORDER = ['veryhigh', '300', 'high', 'med', 'low']
-            try:
-                quality_pref = -QUALITY_ORDER.index(quality)
-            except ValueError:
-                quality_pref = -999
-
-            abr = int(fnode.find('./audioBitrate').text) // 1000
-            vbr = int(fnode.find('./videoBitrate').text) // 1000
-            pref = (is_available, is_supported,
-                    proto_pref, quality_pref, vbr, abr)
-
-            format_note = u''
-            if not is_supported:
-                format_note += u'(unsupported)'
-            if not format_note:
-                format_note = None
-
-            return {
-                'format_id': format_id + u'-' + quality,
-                'url': video_url,
-                'ext': ext,
-                'acodec': format_m.group('acodec'),
-                'vcodec': format_m.group('vcodec'),
-                'abr': abr,
-                'vbr': vbr,
-                'width': int(fnode.find('./width').text),
-                'height': int(fnode.find('./height').text),
-                'filesize': int(fnode.find('./filesize').text),
-                'format_note': format_note,
-                '_pref': pref,
-                '_available': is_available,
-            }
-
-        format_nodes = doc.findall('.//formitaeten/formitaet')
-        formats = sorted(filter(lambda f: f['_available'],
-                                map(xml_to_format, format_nodes)),
-                         key=operator.itemgetter('_pref'))
+            ext = determine_ext(video_url, None) or format_m.group('container')
+            if ext not in ('smil', 'f4m', 'm3u8'):
+                format_id = format_id + '-' + quality
+            if format_id in format_ids:
+                continue
+
+            if ext == 'meta':
+                continue
+            elif ext == 'smil':
+                formats.extend(self._extract_smil_formats(
+                    video_url, video_id, fatal=False))
+            elif ext == 'm3u8':
+                formats.extend(self._extract_m3u8_formats(
+                    video_url, video_id, 'mp4', m3u8_id='hls', fatal=False))
+            elif ext == 'f4m':
+                formats.extend(self._extract_f4m_formats(
+                    video_url, video_id, f4m_id='hds', fatal=False))
+            else:
+                proto = format_m.group('proto').lower()
+
+                abr = int_or_none(xpath_text(fnode, './audioBitrate', 'abr'), 1000)
+                vbr = int_or_none(xpath_text(fnode, './videoBitrate', 'vbr'), 1000)
+
+                width = int_or_none(xpath_text(fnode, './width', 'width'))
+                height = int_or_none(xpath_text(fnode, './height', 'height'))
+
+                filesize = int_or_none(xpath_text(fnode, './filesize', 'filesize'))
+
+                format_note = ''
+                if not format_note:
+                    format_note = None
+
+                formats.append({
+                    'format_id': format_id,
+                    'url': video_url,
+                    'ext': ext,
+                    'acodec': format_m.group('acodec'),
+                    'vcodec': format_m.group('vcodec'),
+                    'abr': abr,
+                    'vbr': vbr,
+                    'width': width,
+                    'height': height,
+                    'filesize': filesize,
+                    'format_note': format_note,
+                    'protocol': proto,
+                    '_available': is_available,
+                })
+            format_ids.append(format_id)
+
+        self._sort_formats(formats)
 
         return {
             'id': video_id,
             'title': title,
-            'formats': formats,
             'description': description,
-            'uploader': uploader,
             'duration': duration,
+            'thumbnails': thumbnails,
+            'uploader': uploader,
+            'uploader_id': uploader_id,
             'upload_date': upload_date,
+            'formats': formats,
+        }
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+        xml_url = 'http://www.zdf.de/ZDFmediathek/xmlservice/web/beitragsDetails?ak=web&id=%s' % video_id
+        return self.extract_from_xml_url(video_id, xml_url)
+
+
+class ZDFChannelIE(InfoExtractor):
+    _VALID_URL = r'(?:zdf:topic:|https?://www\.zdf\.de/ZDFmediathek(?:#)?/.*kanaluebersicht/(?:[^/]+/)?)(?P<id>[0-9]+)'
+    _TESTS = [{
+        'url': 'http://www.zdf.de/ZDFmediathek#/kanaluebersicht/1586442/sendung/Titanic',
+        'info_dict': {
+            'id': '1586442',
+        },
+        'playlist_count': 3,
+    }, {
+        'url': 'http://www.zdf.de/ZDFmediathek/kanaluebersicht/aktuellste/332',
+        'only_matching': True,
+    }, {
+        'url': 'http://www.zdf.de/ZDFmediathek/kanaluebersicht/meist-gesehen/332',
+        'only_matching': True,
+    }, {
+        'url': 'http://www.zdf.de/ZDFmediathek/kanaluebersicht/_/1798716?bc=nrt;nrm?flash=off',
+        'only_matching': True,
+    }]
+    _PAGE_SIZE = 50
+
+    def _fetch_page(self, channel_id, page):
+        offset = page * self._PAGE_SIZE
+        xml_url = (
+            'http://www.zdf.de/ZDFmediathek/xmlservice/web/aktuellste?ak=web&offset=%d&maxLength=%d&id=%s'
+            % (offset, self._PAGE_SIZE, channel_id))
+        doc = self._download_xml(
+            xml_url, channel_id,
+            note='Downloading channel info',
+            errnote='Failed to download channel info')
+
+        title = doc.find('.//information/title').text
+        description = doc.find('.//information/detail').text
+        for asset in doc.findall('.//teasers/teaser'):
+            a_type = asset.find('./type').text
+            a_id = asset.find('./details/assetId').text
+            if a_type not in ('video', 'topic'):
+                continue
+            yield {
+                '_type': 'url',
+                'playlist_title': title,
+                'playlist_description': description,
+                'url': 'zdf:%s:%s' % (a_type, a_id),
+            }
+
+    def _real_extract(self, url):
+        channel_id = self._match_id(url)
+        entries = OnDemandPagedList(
+            functools.partial(self._fetch_page, channel_id), self._PAGE_SIZE)
+
+        return {
+            '_type': 'playlist',
+            'id': channel_id,
+            'entries': entries,
         }