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[dreisat] improve extraction(closes #15350)

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- extract all formats
- extract more format metadata extraction
- improve format sorting
- use hls native downloader
- detect geo-restriction
- bypass geo-restriction
This commit is contained in:
Remita Amine
2018-05-16 11:24:44 +01:00
parent 7f34984e81
commit fe3a60f040
1 changed files with 65 additions and 76 deletions
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141
youtube_dl/extractor/dreisat.py
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@@ -8,7 +8,6 @@ from ..utils import (
unified_strdate,
xpath_text,
determine_ext,
qualities,
float_or_none,
ExtractorError,
)
@@ -16,7 +15,8 @@ from ..utils import (
class DreiSatIE(InfoExtractor):
IE_NAME = '3sat'
_VALID_URL = r'(?:https?://)?(?:www\.)?3sat\.de/mediathek/(?:index\.php|mediathek\.php)?\?(?:(?:mode|display)=[^&]+&)*obj=(?P<id>[0-9]+)$'
_GEO_COUNTRIES = ['DE']
_VALID_URL = r'https?://(?:www\.)?3sat\.de/mediathek/(?:(?:index|mediathek)\.php)?\?(?:(?:mode|display)=[^&]+&)*obj=(?P<id>[0-9]+)'
_TESTS = [
{
'url': 'http://www.3sat.de/mediathek/index.php?mode=play&obj=45918',
@@ -43,7 +43,8 @@ class DreiSatIE(InfoExtractor):
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'))
group_id = param_group.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')
@@ -54,7 +55,7 @@ class DreiSatIE(InfoExtractor):
src = video.get('src')
if not src:
continue
bitrate = float_or_none(video.get('system-bitrate') or video.get('systemBitrate'), 1000)
bitrate = int_or_none(self._search_regex(r'_(\d+)k', src, 'bitrate', None)) or 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(','):
@@ -75,66 +76,36 @@ class DreiSatIE(InfoExtractor):
note='Downloading video info',
errnote='Failed to download video info')
status_code = doc.find('./status/statuscode')
if status_code is not None and status_code.text != 'ok':
code = status_code.text
if code == 'notVisibleAnymore':
status_code = xpath_text(doc, './status/statuscode')
if status_code and status_code != 'ok':
if status_code == 'notVisibleAnymore':
message = 'Video %s is not available' % video_id
else:
message = '%s returned error: %s' % (self.IE_NAME, code)
message = '%s returned error: %s' % (self.IE_NAME, status_code)
raise ExtractorError(message, expected=True)
title = doc.find('.//information/title').text
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'))
title = xpath_text(doc, './/information/title', 'title', True)
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 = []
urls = []
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:
for fnode in doc.findall('.//formitaeten/formitaet'):
video_url = xpath_text(fnode, 'url')
if not video_url or video_url in urls:
continue
urls.append(video_url)
is_available = 'http://www.metafilegenerator' not in video_url
geoloced = 'static_geoloced_online' in video_url
if not is_available or geoloced:
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 = 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
@@ -147,24 +118,23 @@ class DreiSatIE(InfoExtractor):
if video_url.startswith('https://'):
continue
formats.extend(self._extract_m3u8_formats(
video_url, video_id, 'mp4', m3u8_id=format_id, fatal=False))
video_url, video_id, 'mp4', 'm3u8_native',
m3u8_id=format_id, fatal=False))
elif ext == 'f4m':
formats.extend(self._extract_f4m_formats(
video_url, video_id, f4m_id=format_id, fatal=False))
else:
proto = format_m.group('proto').lower()
quality = xpath_text(fnode, './quality')
if quality:
format_id += '-' + quality
abr = int_or_none(xpath_text(fnode, './audioBitrate', 'abr'), 1000)
vbr = int_or_none(xpath_text(fnode, './videoBitrate', 'vbr'), 1000)
abr = int_or_none(xpath_text(fnode, './audioBitrate'), 1000)
vbr = int_or_none(xpath_text(fnode, './videoBitrate'), 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
tbr = int_or_none(self._search_regex(
r'_(\d+)k', video_url, 'bitrate', None))
if tbr and vbr and not abr:
abr = tbr - vbr
formats.append({
'format_id': format_id,
@@ -174,31 +144,50 @@ class DreiSatIE(InfoExtractor):
'vcodec': format_m.group('vcodec'),
'abr': abr,
'vbr': vbr,
'width': width,
'height': height,
'filesize': filesize,
'format_note': format_note,
'protocol': proto,
'_available': is_available,
'tbr': tbr,
'width': int_or_none(xpath_text(fnode, './width')),
'height': int_or_none(xpath_text(fnode, './height')),
'filesize': int_or_none(xpath_text(fnode, './filesize')),
'protocol': format_m.group('proto').lower(),
})
format_ids.append(format_id)
geolocation = xpath_text(doc, './/details/geolocation')
if not formats and geolocation and geolocation != 'none':
self.raise_geo_restricted(countries=self._GEO_COUNTRIES)
self._sort_formats(formats)
thumbnails = []
for node in doc.findall('.//teaserimages/teaserimage'):
thumbnail_url = node.text
if not thumbnail_url:
continue
thumbnail = {
'url': thumbnail_url,
}
thumbnail_key = node.get('key')
if thumbnail_key:
m = re.match('^([0-9]+)x([0-9]+)$', thumbnail_key)
if m:
thumbnail['width'] = int(m.group(1))
thumbnail['height'] = int(m.group(2))
thumbnails.append(thumbnail)
upload_date = unified_strdate(xpath_text(doc, './/details/airtime'))
return {
'id': video_id,
'title': title,
'description': description,
'duration': duration,
'description': xpath_text(doc, './/information/detail'),
'duration': int_or_none(xpath_text(doc, './/details/lengthSec')),
'thumbnails': thumbnails,
'uploader': uploader,
'uploader_id': uploader_id,
'uploader': xpath_text(doc, './/details/originChannelTitle'),
'uploader_id': xpath_text(doc, './/details/originChannelId'),
'upload_date': upload_date,
'formats': formats,
}
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
video_id = mobj.group('id')
details_url = 'http://www.3sat.de/mediathek/xmlservice/web/beitragsDetails?ak=web&id=%s' % video_id
video_id = self._match_id(url)
details_url = 'http://www.3sat.de/mediathek/xmlservice/web/beitragsDetails?id=%s' % video_id
return self.extract_from_xml_url(video_id, details_url)