Akkariin/youtube-dl
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Code Issues Releases Wiki Activity

OpenClassroom IE (Closes #234)

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sh!zeeg 2011-12-01 02:51:49 +04:00
parent 348486ced4
commit e842d4e8fb
1 changed files with 79 additions and 0 deletions
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79
youtube_dl/__init__.py
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@ -3623,6 +3623,84 @@ class InfoQIE(InfoExtractor):
except UnavailableVideoError, err:
self._downloader.trouble(u'\nERROR: unable to download ' + video_url)
class OpenClassroomIE(InfoExtractor):
"""Information extractor for openclassroom.stanford.edu"""
_VALID_URL = r'^(?:https?://)?openclassroom\.stanford\.edu/([\w\d-]+)/(?:[\w\d-]+).*\?course=(.*)&video=(.*)&'
IE_NAME = u'openclassroom'
def __init__(self, downloader=None):
InfoExtractor.__init__(self, downloader)
def report_download_xml(self, file_id):
"""Report XML download"""
self._downloader.to_screen(u'[%s] Downloading xml %s' % (self.IE_NAME, file_id))
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
if mobj is None:
self._downloader.trouble(u'ERROR: invalid URL: %s' % url)
return
section = mobj.group(1)
course = mobj.group(2)
file_id = mobj.group(3)
# fetch xml first
file_url = 'http://openclassroom.stanford.edu/%s/courses/%s/videos/%s' % (section, course, file_id) + '.xml'
request = urllib2.Request(file_url)
try:
self.report_download_xml(file_id)
xmlData = urllib2.urlopen(request).read()
except (urllib2.URLError, httplib.HTTPException, socket.error), err:
self._downloader.trouble(u'ERROR: Unable to retrieve xml: %s' % str(err))
return
# parse xml
try:
mobj = re.search(r'<title>(.*)</title>', xmlData)
title = mobj.group(1)
except:
self._downloader.screen_to(u'WARNING: unable to extract title')
description = u'(no description)'
try:
rx = re.compile(r'<text>(.*)</text>', re.DOTALL)
mobj = re.search(rx, xmlData)
description = mobj.group(1)
description = description.replace('<![CDATA[', '').replace(']]>', '')\
.replace('<p>', '').replace('</p>', '').replace('<br>', '\n')
description = description.replace(' ', '').strip()
except:
pass
try:
mobj = re.search(r'<videoFile>(.*)</videoFile>', xmlData)
video_id = mobj.group(1)
ext = video_id.split('.')[-1]
except:
self._downloader.trouble(u'ERROR: unable to extract video id')
ext = '.flv'
video_id = file_id + ext # we have no video id, so try to guess from &video= in url
file_url = 'http://openclassroom.stanford.edu/%s/courses/%s/videos/%s' % (section, course, video_id)
self._downloader.increment_downloads()
try:
# Process file information
self._downloader.process_info({
'id': file_id.decode('utf-8'),
'url': file_url.decode('utf-8'),
'uploader': u'NA',
'upload_date': u'NA',
'title': title.decode('utf-8'),
'stitle': _simplify_title(title.decode('utf-8')),
'ext': ext.decode('utf-8'),
'format': ext.decode('utf-8').upper(),
'description': description,
})
except UnavailableVideoError, err:
self._downloader.trouble(u'ERROR: unable to download video')
class MixcloudIE(InfoExtractor):
"""Information extractor for www.mixcloud.com"""
_VALID_URL = r'^(?:https?://)?(?:www\.)?mixcloud\.com/([\w\d-]+)/([\w\d-]+)'
@ -4166,6 +4244,7 @@ def gen_extractors():
SoundcloudIE(),
InfoQIE(),
MixcloudIE(),
OpenClassroomIE(),
GenericIE()
]