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GametrailersIE: make it a subclass of MTVIE to reuse most of the extraction process

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This commit is contained in:
Jaime Marquínez Ferrándiz
2013-07-14 14:29:15 +02:00
parent 300fcad8a6
commit ab2f744b90
2 changed files with 24 additions and 48 deletions
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65
youtube_dl/extractor/gametrailers.py
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@@ -1,63 +1,36 @@
import re
import xml.etree.ElementTree
from .common import InfoExtractor
from ..utils import (
compat_urllib_parse,
from .mtv import MTVIE, _media_xml_tag
ExtractorError,
)
class GametrailersIE(InfoExtractor):
class GametrailersIE(MTVIE):
"""
Gametrailers use the same videos system as MTVIE, it just changes the feed
url, where the uri is and the method to get the thumbnails.
"""
_VALID_URL = r'http://www.gametrailers.com/(?P<type>videos|reviews|full-episodes)/(?P<id>.*?)/(?P<title>.*)'
_TEST = {
u'url': u'http://www.gametrailers.com/videos/zbvr8i/mirror-s-edge-2-e3-2013--debut-trailer',
u'file': u'70e9a5d7-cf25-4a10-9104-6f3e7342ae0d.flv',
u'md5': u'c3edbc995ab4081976e16779bd96a878',
u'file': u'70e9a5d7-cf25-4a10-9104-6f3e7342ae0d.mp4',
u'md5': u'4c8e67681a0ea7ec241e8c09b3ea8cf7',
u'info_dict': {
u"title": u"E3 2013: Debut Trailer"
u'title': u'E3 2013: Debut Trailer',
u'description': u'Faith is back! Check out the World Premiere trailer for Mirror\'s Edge 2 straight from the EA Press Conference at E3 2013!',
},
u'skip': u'Requires rtmpdump'
}
# Overwrite MTVIE properties we don't want
_TESTS = []
_FEED_URL = 'http://www.gametrailers.com/feeds/mrss'
def _get_thumbnail_url(self, uri, itemdoc):
search_path = '%s/%s' % (_media_xml_tag('group'), _media_xml_tag('thumbnail'))
return itemdoc.find(search_path).attrib['url']
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
if mobj is None:
raise ExtractorError(u'Invalid URL: %s' % url)
video_id = mobj.group('id')
webpage = self._download_webpage(url, video_id)
mgid = self._search_regex([r'data-video="(?P<mgid>mgid:.*?)"',
r'data-contentId=\'(?P<mgid>mgid:.*?)\''],
webpage, u'mgid')
data = compat_urllib_parse.urlencode({'uri': mgid, 'acceptMethods': 'fms'})
info_page = self._download_webpage('http://www.gametrailers.com/feeds/mrss?' + data,
video_id, u'Downloading video info')
doc = xml.etree.ElementTree.fromstring(info_page.encode('utf-8'))
default_thumb = doc.find('./channel/image/url').text
media_namespace = {'media': 'http://search.yahoo.com/mrss/'}
parts = [{
'title': video_doc.find('title').text,
'ext': 'flv',
'id': video_doc.find('guid').text.rpartition(':')[2],
# Videos are actually flv not mp4
'url': self._get_video_url(video_doc.find('media:group/media:content', media_namespace).attrib['url'], video_id),
# The thumbnail may not be defined, it would be ''
'thumbnail': video_doc.find('media:group/media:thumbnail', media_namespace).attrib['url'] or default_thumb,
'description': video_doc.find('description').text,
} for video_doc in doc.findall('./channel/item')]
return parts
def _get_video_url(self, mediagen_url, video_id):
if 'acceptMethods' not in mediagen_url:
mediagen_url += '&acceptMethods=fms'
links_webpage = self._download_webpage(mediagen_url,
video_id, u'Downloading video urls info')
doc = xml.etree.ElementTree.fromstring(links_webpage)
urls = list(doc.iter('src'))
if len(urls) == 0:
raise ExtractorError(u'Unable to extract video url')
# They are sorted from worst to best quality
return urls[-1].text
return self._get_videos_info(mgid)