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GametrailersIE: support multipart videos

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Use xml.etree.ElementTree instead of re when possible
This commit is contained in:
Jaime Marquínez Ferrándiz
2013-07-11 18:10:39 +02:00
parent 45ff2d51d0
commit 41897817cc
1 changed files with 30 additions and 35 deletions
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65
youtube_dl/extractor/gametrailers.py
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@@ -1,4 +1,5 @@
import re
import xml.etree.ElementTree
from .common import InfoExtractor
from ..utils import (
@@ -11,7 +12,7 @@ class GametrailersIE(InfoExtractor):
_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'zbvr8i.flv',
u'file': u'70e9a5d7-cf25-4a10-9104-6f3e7342ae0d.flv',
u'md5': u'c3edbc995ab4081976e16779bd96a878',
u'info_dict': {
u"title": u"E3 2013: Debut Trailer"
@@ -24,45 +25,39 @@ class GametrailersIE(InfoExtractor):
if mobj is None:
raise ExtractorError(u'Invalid URL: %s' % url)
video_id = mobj.group('id')
video_type = mobj.group('type')
webpage = self._download_webpage(url, video_id)
if video_type == 'full-episodes':
mgid_re = r'data-video="(?P<mgid>mgid:.*?)"'
else:
mgid_re = r'data-contentId=\'(?P<mgid>mgid:.*?)\''
mgid = self._search_regex(mgid_re, webpage, u'mgid')
data = compat_urllib_parse.urlencode({'uri': mgid, 'acceptMethods': 'fms'})
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')
links_webpage = self._download_webpage('http://www.gametrailers.com/feeds/mediagen/?' + data,
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')
self.report_extraction(video_id)
info_re = r'''<title><!\[CDATA\[(?P<title>.*?)\]\]></title>.*
<description><!\[CDATA\[(?P<description>.*?)\]\]></description>.*
<image>.*
<url>(?P<thumb>.*?)</url>.*
</image>'''
m_info = re.search(info_re, info_page, re.VERBOSE|re.DOTALL)
if m_info is None:
raise ExtractorError(u'Unable to extract video info')
video_title = m_info.group('title')
video_description = m_info.group('description')
video_thumb = m_info.group('thumb')
m_urls = list(re.finditer(r'<src>(?P<url>.*)</src>', links_webpage))
if m_urls is None or len(m_urls) == 0:
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
video_url = m_urls[-1].group('url')
return urls[-1].text
return {'url': video_url,
'id': video_id,
'title': video_title,
# Videos are actually flv not mp4
'ext': 'flv',
'thumbnail': video_thumb,
'description': video_description,
}